Bacteria and microorganism specimen preparation table

Abstract

The present invention discloses a bacterial microorganism specimen preparation table, comprising a cabinet, a cover shell, an oscillating mechanism and an internal circulation mechanism. A plurality of supporting legs are arranged at the lower end of the cabinet, the cover shell is arranged at the upper end of the cabinet, and a closed preparation space is formed between the cover shell and the cabinet, the internal circulation mechanism is arranged in the cabinet, the cabinet of the internal circulation mechanism connects the preparation space with the airway inside the cabinet, the oscillating mechanism is arranged at the upper end of the cabinet, and the oscillating mechanism is located in the preparation space. The present invention forms a sterile space inside the preparation table by means of the internal circulation mechanism, so as to prevent viruses and bacteria in the air from affecting the specimen preparation.

Description

Technical Field

[0001] The invention relates to a bacteria and microorganism specimen preparation station. Background Art

[0002] At present, specimens of bacterial microorganisms are widely used in biological and medical research. When preparing specimens, a specimen preparation table is generally required. In the process of preparing specimens, there are high requirements for the environment, including the environmental temperature and the sterile and non-toxic preparation environment. Therefore, a specimen preparation table that can create a good preparation environment is needed;

[0003] In the existing patent literature, the patent document with application number 201810393257.6 and titled "A Medical Bacteria and Microorganism Specimen Preparation Station for Laboratory Department" proposes a medical bacteria and microorganism specimen preparation station for laboratory department, including a bottom plate, a box body is provided on the upper surface of the bottom plate, a thermometer is provided on one side of the inner rear side wall of the box body, the front side of the box body is a transparent glass plate, a control switch group is provided on the upper part of the outer surface of the transparent glass plate, the input end of the control switch group is electrically connected to the output end of the external power supply, sleeves are provided on both sides of the lower part of the outer surface of the transparent glass plate, a sleeve cover is threadedly connected to the outer end of the sleeve, and the box body A box door is hingedly connected to the right side opening end of the box body through a hinge, and a handle is provided at the end of the side surface of the box door. Lighting devices are provided on both sides of the inner top of the box body. A mounting cylinder is penetrated through the middle of the inner top of the box body, and an air inlet is provided on the upper surface of the mounting cylinder. An activated carbon filter plate is provided at the inner bottom end of the mounting cylinder. A sterilization device is provided at the inner lower part of the mounting cylinder, and the sterilization device is located directly above the activated carbon filter plate. A filter screen is provided at the inner middle of the mounting cylinder, and the filter screen is located directly above the sterilization device. A fan is provided at the inner upper part of the mounting cylinder, and the fan is located directly above the filter screen. The input end of the fan is electrically connected to the output end of the control switch group.

[0004] In this scheme, a preparation space is created by setting up a box on the specimen preparation table, and a filter component is set at the air inlet of the preparation space to filter the fresh air sent into the preparation space. However, the filter component in this scheme has a simple structure, and when the fresh air flows quickly through the sterilization device, it cannot effectively sterilize and disinfect. In addition, the temperature of the preparation space is difficult to control, which can easily affect the specimen preparation of bacterial microorganisms. Summary of the invention

[0005] The technical problem to be solved by the present invention is to propose a bacterial microorganism specimen preparation table in view of the shortcomings of the above prior art. The present invention can create a sterile, non-toxic and temperature-appropriate preparation space to facilitate the preparation of bacterial microorganism specimens.

[0006] In order to solve the above technical problems, the technical solution of the present invention is achieved in the following way: a bacterial microorganism specimen preparation table, including a cabinet, a cover shell, an oscillation mechanism, an internal circulation mechanism and a control mechanism, a plurality of supporting legs are provided at the lower end of the cabinet, the cover shell is arranged at the upper end of the cabinet, and a closed space is formed between the cover shell and the cabinet, the internal circulation mechanism is arranged in the cabinet, the internal circulation mechanism connects the airway between the inside of the cover shell and the inside of the cabinet, the oscillation mechanism is arranged at the upper end of the cabinet, and the oscillation mechanism is located inside the cover shell, and the oscillation mechanism and the internal circulation mechanism are electrically connected to the control mechanism.

[0007] Furthermore, the cabinet includes a rectangular cabinet body with an open upper end and a table top, the table top is arranged at the upper end of the cabinet body, and two first partitions are symmetrically arranged on both sides of the interior of the cabinet body. The two first partitions divide the interior of the cabinet body into an installation cavity and two transition cavities. Through holes are arranged at positions corresponding to the two transition cavities on the table top, connecting the interior of the cover shell with the transition cavity, and through holes are also arranged at the lower end of the first partition, connecting the installation cavity with the two transition cavities; the structure is simple, assembly and disassembly are convenient, and the cost is low.

[0008] Furthermore, the cover shell is a rectangular frame with an opening at the lower end, and two second partitions are symmetrically arranged on both sides of the interior. The two second partitions divide the interior of the cover shell into a preparation chamber and two disinfection chambers. The two disinfection chambers are respectively arranged corresponding to the two transition chambers. The disinfection chamber and the corresponding transition chamber are connected through a through hole arranged on the table plate. A through hole is arranged at the upper end of the second partition, connecting the disinfection chamber and the preparation chamber; a plurality of fluorescent tubes are arranged near the upper end of the preparation chamber, and the fluorescent tubes are electrically connected to the control mechanism; the structure is simple, the assembly and disassembly are convenient, and the cost is low.

[0009] Furthermore, the internal circulation mechanism includes an alcohol disinfection component, a temperature control component, multiple first ultraviolet lamps, multiple filter bags, multiple second ultraviolet lamps, multiple air intake fans and multiple exhaust fans. A first porous plate is provided near the lower end of each disinfection chamber, and multiple first ultraviolet lamps are respectively arranged on two first porous plates. Multiple air intake fans are arranged side by side on one side of the upper end of the table, and the air intake fans cover the through holes on one side of the upper end of the table. Multiple exhaust fans are arranged side by side on the other side of the upper end of the table, and the exhaust fans cover the through holes on the other side of the upper end of the table. Multiple filter bags are arranged in a transition cavity near one side of the air intake fan, the alcohol disinfection component is arranged in the installation cavity, and the alcohol disinfection component divides the installation cavity into left and right sides, and the left and right sides of the installation cavity are connected through the airway of the alcohol disinfection component. The temperature control component is arranged in the transition cavity near one side of the exhaust fan, and multiple second ultraviolet lamps are arranged in the installation cavity; the air in the preparation cavity is circulated and disinfected by the internal circulation mechanism, and the ambient temperature in the preparation cavity is controlled by the temperature control component to create the illustrated preparation environment.

[0010] Furthermore, the alcohol disinfection component includes a filter tank, which is arranged in the installation cavity, and the two ends of the filter tank in the length direction are fitted and sealed with the two ends of the installation cavity in the width direction, the bottom end of the filter tank is fitted and sealed with the bottom end of the installation cavity, the top end of the filter tank is fitted and sealed with the lower end of the table plate, and the airway inside the filter tank is connected with the installation cavity. Alcohol, clean water and a drying bag are arranged in the filter tank. Air flows into the filter tank and is discharged after passing through the alcohol, clean water and the drying bag in turn; the air is disinfected and sterilized by alcohol, and the sterilization effect is better.

[0011] Furthermore, the temperature control component includes a temperature sensor, a heat-conducting frame, multiple cooling plates and multiple electric heating plates; the temperature sensor is arranged on the inner wall of the cover shell and is located in the preparation chamber, the heat-conducting frame includes a heat-conducting plate and multiple heat-exchanging plates, the multiple heat-exchanging plates are arranged side by side on the heat-conducting plate, and each heat-exchanging plate is provided with multiple through holes, the multiple cooling plates are attached to one side end of the heat-conducting plate away from the heat-exchanging plate, the outside of the cabinet body is formed with a first mounting groove inwardly along the length direction and at one end close to the exhaust fan, the first mounting groove is provided with multiple through grooves, the multiple heat-exchanging plates pass through the through grooves and extend into the transition chamber, the multiple electric heating plates are respectively arranged on the multiple heat-exchanging plates, and the opening end of the first mounting groove is provided with a second porous plate; by cooperating with the arranged cooling plates and electric heating plates, the air can be heated and cooled, thereby adjusting the temperature of the air.

[0012] Furthermore, the oscillation mechanism includes a first servo motor, a turntable, a rotating frame, a rotating rod, an oscillation box and a second servo motor. The turntable is rotatably arranged on the table, the first servo motor is arranged at the lower end of the table, and the output shaft of the first servo motor is rotatably connected to the turntable, the rotating frame is arranged at the upper end of the turntable, a rotating ring is rotatably connected to the rotating frame, the upper end of the rotating rod is rotatably sleeved on the rotating ring, a spur gear is arranged at the upper end of the rotating rod, and a gear ring meshing with the spur gear is arranged on the rotating frame. The second servo motor is arranged on the rotating frame, and the output shaft of the second servo motor is connected to the rotating ring, the rotating ring rotates synchronously with the output shaft of the second servo motor, and the oscillation box is arranged at the lower end of the rotating rod; the oscillation mechanism can oscillate and shake the culture solution in the culture dish, so as to mix the bacteria or microorganisms with the culture solution.

[0013] Furthermore, a preparation platform, a cleaning sink and a storage rack are provided on the table top, the upper end of the cleaning sink is fixed to the table top, the lower end of the cleaning sink passes through the table top and extends into the installation cavity, a drainage port is provided at the lower end of the cleaning sink, a drainage trough is provided along the edge of the preparation platform, the drainage trough is connected with the water channel of the cleaning sink, a first solenoid valve is provided on the drainage port at the lower end of the cleaning sink, the lower end of the first solenoid valve passes through the bottom of the installation cavity and exposes the cabinet body, the storage rack is slidably arranged on the table top, and a height adjustment mechanism is provided in the installation cavity and is connected to the storage rack, sealing plates are provided at the upper and lower ends of the storage rack, sealing grooves matching the sealing plates are provided at the upper and lower ends of the table top, and the sealing plates are movably connected to the corresponding sealing grooves; the preparation platform, cleaning sink and storage rack are provided to facilitate preparation operations, and the preparation tools can be hidden in the storage rack, thereby keeping the preparation table surface clean and tidy.

[0014] Furthermore, the height adjustment mechanism includes a third servo motor, a screw and multiple track rods, the multiple track rods are arranged in the installation cavity, the storage rack is slidably arranged on the multiple track rods, the screw is rotatably arranged in the installation cavity, the third servo motor is also arranged in the installation cavity, and the screw and the output shaft of the third servo motor rotate synchronously, and the sealing plate at the lower end of the storage rack is threadedly matched with the screw; through the height adjustment mechanism, the height of the storage rack can be automatically adjusted, and the operation is convenient.

[0015] Furthermore, the method for using the bacterial microorganism specimen preparation station comprises the following steps:

[0016] Step 1: Preparation before preparation. Before preparation, the raw materials and tools required for preparation are placed in the preparation chamber. After the raw materials and tools are placed in the preparation chamber, the control mechanism starts the internal circulation mechanism;

[0017] Step 2: Wait before preparation. After the internal circulation mechanism is started, wait for 1 hour to give the internal circulation mechanism time to create a suitable preparation environment. The working process of the internal circulation mechanism is as follows:

[0018] S1: The control mechanism controls the temperature control component circuit to be turned on, and the first ultraviolet lamp, the second ultraviolet lamp, the air intake fan and the exhaust fan circuit are turned on synchronously. After the air intake fan and the exhaust fan are started, the air in the preparation chamber is circulated and filtered and disinfected by the alcohol disinfection component;

[0019] S2: The temperature sensor monitors the temperature in the preparation chamber in real time and uploads the temperature data to the control mechanism. The control mechanism is set with a rated temperature range, and the control mechanism compares the real-time temperature data with the rated temperature range;

[0020] S3: The control mechanism controls the cooling plate or the electric heating plate circuit to be turned on according to the comparison result, so as to cool down or heat the air passing through;

[0021] Step 3: During preparation, the specimen is prepared on the preparation platform and the cleaning sink can be used for preparation operations.

[0022] Step 4: Shake evenly. During the preparation process, the culture dish is placed in the shaking box, and the control mechanism controls the first servo motor and the second servo motor to start, driving the culture dish to swing in the circumferential direction, swing in the vertical plane, and rotate in the circumferential direction with the rotating rod as the axis.

[0023] Step 5: After preparation, wash the tools in a cleaning sink, put them on the rack, and then control the height adjustment mechanism under the control of the control mechanism to drive the rack to slide down, hide it in the installation cavity, and be continuously irradiated and disinfected by the second ultraviolet lamp; after the internal circulation mechanism continues to work for 1 hour, the whole power is cut off.

[0024] The beneficial effects of the present invention are:

[0025] According to the technical solution of the present invention, the internal circulation mechanism is provided, and the air in the preparation chamber is circulated through the cooperation of the air intake fan and the exhaust fan, and the dust impurities and viruses and bacteria in the air are filtered out through the cooperation of the alcohol disinfection component and the filter bag, so as to maintain the sterile environment in the preparation chamber; the air temperature in the preparation chamber can be adjusted through the provided temperature control component, so as to create a suitable preparation environment;

[0026] The oscillating mechanism can be used to mix the culture solution being prepared, thereby reducing the burden on the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is an axial view of the present invention;

[0028] Figure 2 It is an axial exploded view of the present invention;

[0029] Figure 3 This is an axial view of the internal structure of the cabinet body 1a of the present invention;

[0030] Figure 4 This is a separate axial view of the table 1b in the present invention;

[0031] Figure 5 An axial view of a cross section of the present invention along the width direction;

[0032] Figure 6 for Figure 5 A partial enlarged view in the middle;

[0033] Figure 7 for Figure 5 A partial enlarged view of point B in the middle;

[0034] Figure 8 for Figure 5 Sectional view at point C in the middle;

[0035] Fig. 9It is an axial view of a partial structure of the temperature control component of the present invention. DETAILED DESCRIPTION

[0036] The following will be combined with the attached embodiment of the present invention Figure 1-9 , the technical solutions in the embodiments of the present invention are described in detail. Example 1

[0037] like Figure 1 As shown, a bacterial microorganism specimen preparation table includes a cabinet 1, a cover 2, an oscillating mechanism, an internal circulation mechanism and a control mechanism, wherein the control mechanism includes a PLC controller and a touch panel 41, the PLC controller and the touch panel 41 are electrically connected, and the touch panel 41 can input instructions to the PLC controller to control the oscillating mechanism and the internal circulation mechanism;

[0038] In this embodiment, the touch panel 41 and the PLC controller are both known products in the electrical field and can be directly purchased. The structure of the PLC controller is relatively simple and is not drawn in the figure.

[0039] A plurality of supporting legs 3 are provided at the lower end of the cabinet body 1, and casters with brakes can be provided at the lower ends of the supporting legs 3 for easy movement;

[0040] The cover 2 is arranged at the upper end of the cabinet 1, and a closed space is formed between the cover 2 and the cabinet 1, which is isolated from the outside world during specimen preparation, thereby greatly preventing viruses and bacteria in the outside air from affecting specimen preparation;

[0041] The internal circulation mechanism is arranged in the cabinet 1, and the internal circulation mechanism connects the airway between the inside of the housing 2 and the inside of the cabinet 1. The internal circulation mechanism filters and controls the temperature of the air while promoting air circulation, thereby keeping the internal environment of the housing 2 sterile, non-toxic and at a suitable temperature;

[0042] The oscillating mechanism is arranged at the upper end of the cabinet 1 and is located inside the cover 2. The oscillating mechanism can oscillate and shake the culture dish through a mechanical mechanism to promote mixing of bacteria or microorganisms with the culture solution;

[0043] The oscillating mechanism and the internal circulation mechanism are both electrically connected to the PLC controller.

[0044] The cabinet 1 comprises a rectangular cabinet body 1a with an open upper end and a table 1b, wherein the table 1b is arranged at the upper end of the cabinet body 1a, and a sealing ring is arranged between the table 1b and the cabinet body 1a;

[0045] Two first partitions 4 are symmetrically arranged at both side ends of the interior of the cabinet body 1a, and the first partitions 4 are sealed against the inner wall of the cabinet body 1a. The upper end of the first partition 4 abuts against the lower end of the table 1b, and a sealing gasket is arranged between the upper end of the first partition 4 and the lower end of the table 1b. The two first partitions 4 divide the interior of the cabinet body 1a into an installation cavity 6 and two transition cavities 5. The positions corresponding to the two transition cavities 5 on the table 1b are provided with through holes, which connect the interior of the cover shell 2 with the transition cavity 5. The lower end of the first partition 4 is also provided with a through hole, which connects the installation cavity 6 with the two transition cavities 5. After the air inside the cover shell 2 flows into one transition cavity 5, it flows into the installation cavity 6 from the transition cavity 5, and then flows into the other transition cavity 5, and finally returns to the interior of the cover shell 2;

[0046] The cover 2 is a rectangular frame with an opening at the lower end. The front and rear ends of the cover 2 are made of transparent tempered glass. Two second partitions 7 are symmetrically arranged on both sides of the inside. The connection between the second partition 7 and the inner wall of the cover 2 is sealed by gluing. The two second partitions 7 divide the inside of the cover 2 into a preparation chamber 8 and two disinfection chambers 9. The operator can put both hands into the preparation chamber 8 to prepare bacteria or microbial specimens.

[0047] Two disinfection chambers 9 are respectively provided corresponding to the two transition chambers 5. The disinfection chamber 9 is connected to the corresponding transition chamber 5 through a through hole provided on the table 1b. A through hole is provided at the upper end of the second partition 7 to connect the disinfection chamber 9 with the preparation chamber 8. A plurality of fluorescent tubes 10 are provided near the upper end of the preparation chamber 8 to illuminate the preparation chamber 8. The fluorescent tubes 10 are electrically connected to the PLC controller, and the circuit on and off of the fluorescent tubes 10 can be controlled by the touch panel 41.

[0048] The internal circulation mechanism includes an alcohol disinfection component, a temperature control component, a plurality of first ultraviolet lamps 11, a plurality of filter bags 12, a plurality of second ultraviolet lamps 13, a plurality of air intake fans 14 and a plurality of exhaust fans 15. A first porous plate 50 is provided near the lower end of each disinfection chamber 9. The plurality of first ultraviolet lamps 11 are respectively arranged on two first porous plates 50. The first ultraviolet lamps 11 are electrically connected to the PLC controller. The air flowing into the disinfection chamber 9 is disinfected by the first ultraviolet lamps 11. The plurality of air intake fans 14 are arranged side by side on one side of the upper end of the table 1b, and the air intake fans 14 cover one side of the upper end of the table 1b. The air intake fan 14 delivers the air in the corresponding disinfection chamber 9 into the corresponding transition chamber 5, and makes the disinfection chamber 9 in a negative pressure state, and attracts the air in the preparation chamber 8 to flow into the disinfection chamber 9; a plurality of exhaust fans 15 are arranged side by side on the other side of the upper end of the table 1b, and the exhaust fans 15 cover the through holes on the other side of the upper end of the table 1b. The exhaust fans 15 extract the air in the corresponding transition chamber 5 and deliver it to the corresponding disinfection chamber 9, so that the corresponding transition chamber 5 is in a negative pressure state, and the air inside the installation chamber 6 is attracted to enter the transition chamber 5. The air intake fan 14 cooperates with the exhaust fan 15 to circulate the air inside the cover shell 2 and the cabinet 1;

[0049] The plurality of air intake fans 14 and the plurality of exhaust fans 15 are electrically connected to the PLC controller;

[0050] A plurality of ventilation holes are arranged on the upper side wall of the disinfection chamber 9 provided with an intake fan 14, and each ventilation hole is provided with an intake solenoid valve, and the intake solenoid valve is electrically connected to the PLC controller, and the opening and closing of the intake solenoid valve is used to control the entry of fresh air. A plurality of ventilation holes are also arranged on the upper side wall of the disinfection chamber 9 provided with an exhaust fan 15, and each ventilation hole is provided with an exhaust solenoid valve, and the exhaust solenoid valve is electrically connected to the PLC controller, and the exhaust of the original air in the cabinet 1 and the cover 2 is controlled by opening and closing the exhaust solenoid valve;

[0051] A plurality of filter packs 12 are arranged in the transition chamber 5 near the air intake fan 14. A gap is arranged at one end of the transition chamber 5 with the filter pack 12 away from the installation chamber 6. A cover plate is arranged on the gap. The filter pack 12 can be replaced by opening the cover plate. The air is filtered through the filter pack 12 to filter out dust and impurities.

[0052] The alcohol disinfection component is arranged in the installation cavity 6, and the filtered air is pushed into the alcohol disinfection component by the air intake fan 14, and the alcohol disinfection component disinfects the air flowing through, and the alcohol disinfection component divides the installation cavity 6 into left and right sides, and the left and right sides of the installation cavity 6 are connected through the airway of the alcohol disinfection component, and the temperature control component is arranged in the transition cavity 5 near the exhaust fan 15 side;

[0053] A plurality of second ultraviolet lamps 13 are disposed in the installation cavity 6. The second ultraviolet lamps 13 are electrically connected to the PLC controller. The second ultraviolet lamps 13 continuously irradiate the interior of the installation cavity 6 to ensure that each component in the installation cavity 6 remains sterile.

[0054] The alcohol disinfection assembly includes a filter tank 16, which is disposed in the mounting cavity 6, and the two ends of the filter tank 16 along the length direction are fitted and sealed with the two ends of the mounting cavity 6 along the width direction, the bottom end of the filter tank 16 is fitted and sealed with the bottom end of the mounting cavity 6, and the top end of the filter tank 16 is fitted and sealed with the lower end of the table 1b. The airway between the inside of the filter tank 16 and the mounting cavity 6 is connected, so when the air in the mounting cavity 6 flows from one side to the other side, it must pass through the filter tank 16; the inside of the filter tank 16 is divided into alcohol chambers by two third partitions 42 16a, a clean water chamber 16b and a drying chamber 16c, the two side walls of the filter tank 16 along the width direction and the two third partitions near the upper end are provided with through grooves, and L-shaped air guide tubes 43 are provided at the corresponding through grooves in the alcohol chamber 16a and the clean water chamber 16b. Alcohol is provided in the alcohol chamber 16a, clean water is provided in the clean water chamber 16b, and a drying bag is provided in the drying chamber 16c. The lower ends of the two air guide tubes 43 are immersed in alcohol and clean water respectively, and air flows into the filter tank 16, and is discharged after being disinfected with alcohol, washed with clean water and dried by the drying bag in turn.

[0055] like Figure 5 As shown, the temperature control component includes a temperature sensor, a heat-conducting frame 17, a plurality of cooling fins 18 and a plurality of electric heating fins 19. The temperature sensor is arranged on the inner wall of the housing 2 and is located in the preparation chamber 8 to monitor the ambient temperature in the preparation chamber 8 in real time. The heat-conducting frame 17 includes a heat-conducting plate 17a and a plurality of heat-exchanging fins 17b. The heat-conducting plate 17a and the plurality of heat-exchanging fins 17b are made of copper material with high thermal conductivity. The plurality of heat-exchanging fins 17b are arranged side by side on the heat-conducting plate 17a, and each heat-exchanging fin 17b is provided with a plurality of through holes. The air flows through the through holes of the plurality of heat-exchanging fins 17 and exchanges heat with the heat-exchanging fins 17, thereby adjusting the temperature of the air. The heat-absorbing ends of the cooling fins 18 are attached to the heat-conducting frame 17. The plate 17a is away from one side end of the heat exchange plate 17b, so as to absorb heat and cool the heat conducting plate 17a and the heat exchange plate 17b. A first mounting groove 20 is formed inwardly along the length direction of the outer side of the cabinet body 1a and close to the end of the exhaust fan 15. The first mounting groove 20 is provided with a plurality of through grooves, and a plurality of heat exchange plates 17b extend into the transition chamber 5 through the through grooves. A plurality of electric heating plates 19 are respectively arranged on a plurality of heat exchange plates 17b. The electric heating plates 19 heat up after being energized, and heat up the heat exchange plates 17b, thereby heating the air flowing through. A second porous plate 21 is provided at the open end of the first mounting groove 20, and the heat emitted from the heat dissipation end of the refrigeration plate 18 is discharged to the outside through the second porous plate 21.

[0056] In this embodiment, the temperature sensor is a known product in the field of electrical technology, which can be directly purchased and installed in a relatively simple manner, so it is not drawn in the figure;

[0057] The oscillation mechanism includes a first servo motor 22, a turntable 23, a rotating frame 24, a rotating rod 25, an oscillation box 26 and a second servo motor 46. The turntable 23 is rotatably arranged on the table 1b through a bearing. The lower end of the turntable 23 extends into the mounting cavity 6, and a first bevel gear 45 is arranged at the lower end of the turntable 23. The first servo motor 22 is arranged at the lower end of the table 1b, and a second bevel gear 44 is arranged on the output shaft of the first servo motor 22. The first bevel gear 45 is meshed with the second bevel gear 44, so that the turntable 23 and the output shaft of the first servo motor 22 rotate synchronously; the first servo motor 22 is electrically connected to the PLC controller;

[0058] The rotating frame 24 is composed of two supporting plates 24a, which are inclined and symmetrically arranged on the upper end of the rotating disk 23. A rotating ring 27 is rotatably arranged between the two supporting plates 24a through a bearing. The upper end of the rotating rod 25 is rotatably sleeved on the rotating ring 27. A spur gear 28 is arranged on the upper end of the rotating rod 25. A toothed ring 29 meshing with the spur gear 28 is arranged on one supporting plate 24a. The second servo motor 46 is arranged on the rotating frame 24, and the output shaft of the second servo motor 46 is connected to the rotating ring 27. The rotating ring 27 rotates synchronously with the output shaft of the second servo motor 46. When the output shaft of the second servo motor 46 drives the rotating ring 27 to rotate, the rotating rod 25 swings on a vertical plane accordingly. The second servo motor 46 rotates regularly and repeatedly, so that the rotating rod 25 swings regularly and repeatedly within a certain angle. When the rotating rod 25 swings, the spur gear 28 and the toothed ring 29 mesh and cooperate, so that the rotating rod 25 rotates in a circular direction at the same time; the second servo motor 46 is electrically connected to the PLC controller.

[0059] The oscillation box 26 is arranged at the lower end of the rotating rod 25, and the oscillation box 26 rotates synchronously with the rotating rod 25. The oscillation box 26 includes a circular box body 26a and a box cover 26b. The box cover 26b is fixedly arranged at the lower end of the rotating rod 25. The box body 26a and the box cover 26b are movably connected by bolts or locks. A silicone pad 49 is arranged in the box body 26a. A conical fixing groove 49a is formed downward at the upper end of the silicone pad 49. The fixing groove 49a is wide at the top and narrow at the bottom. A silicone pressing block 48 connected by a thrust spring is arranged at the lower end of the box cover 26b. A culture dish filled with culture fluid is placed in the fixing groove 49a. The silicone pressing block 48 is pressed on the culture dish under the thrust of the thrust spring to fix it, and rotates and swings synchronously with the oscillation box 26.

[0060] The working process of the oscillation mechanism is as follows: the first servo motor 22 is started under the control of the PLC controller, driving the turntable 23 to rotate at a constant speed. At the same time, the second servo motor 46 is also started under the control of the PLC controller and rotates regularly and repeatedly, so that the rotating rod 25 swings regularly and repeatedly within a certain angle. While the rotating rod 25 is swinging, the spur gear 28 and the gear ring 29 engage with each other, so that the rotating rod 25 rotates in a circular direction at the same time, the oscillation box 26 rotates and swings synchronously, and the culture dish in the oscillation box 26 rotates and swings synchronously.

[0061] In this embodiment, the first servo motor 22 and the second servo motor 46 are both known products in the electronic field and can be directly purchased.

[0062] like Fig. 9As shown, a preparation platform 30, a cleaning water tank 31 and a storage rack 32 are provided on the table 1b. The upper end of the cleaning water tank 31 is fixed to the table 1b, and the lower end of the cleaning water tank 31 passes through the table 1b and extends into the installation cavity 6. A drainage port is provided at the lower end of the cleaning water tank 31. A drainage groove 30a is provided along the edge of the preparation platform 30. The drainage groove 30a is connected with the water channel of the cleaning water tank 31, and the waste liquid on the preparation platform 30 flows into the cleaning water tank 31 through the drainage groove 30a; a rotatably connected water tank partition is provided at the opening of the upper end of the cleaning water tank 31 on the table 1b, so as to close the upper end of the cleaning water tank 31 when the cleaning water tank 31 is not in use;

[0063] A retractable faucet 51 is provided in the washing sink 31;

[0064] A first solenoid valve is provided on the drain outlet at the lower end of the cleaning water tank 31. The lower end of the first solenoid valve passes through the bottom of the installation cavity 6 and is exposed to the cabinet body 1a. The lower end of the first solenoid valve is connected to the outside through a water pipe. The first solenoid valve is electrically connected to the PLC controller.

[0065] The first solenoid valve is an existing product in the electrical field and can be purchased directly. Its installation and connection method is relatively simple, so it is not drawn in the figure;

[0066] The rack 32 is slidably arranged on the table 1b, and a height adjustment mechanism is provided in the installation cavity 6 and connected to the rack 32. Sealing plates 34 are provided at the upper and lower ends of the rack 32. Sealing grooves 47 matching with the sealing plates 34 are provided at the upper and lower ends of the table 1b. The sealing plates 34 are movably connected with the corresponding sealing grooves 47, and sealing gaskets are provided in the sealing grooves 47. When the rack 32 is exposed from the table 1b or hidden in the installation cavity 6, the sealing plates 34 cooperate with the corresponding sealing grooves 47 to seal, so as to prevent the installation cavity 6 from directly flowing into the preparation cavity 8 from the connection between the table 1b and the rack 32.

[0067] The height adjustment mechanism includes a third servo motor 35, a screw rod 36 and a plurality of track rods 37. The plurality of track rods 37 are arranged in the installation cavity 6. The storage rack 32 is slidably arranged on the plurality of track rods 37. The screw rod 36 is rotatably arranged in the installation cavity 6 through a bearing. The third servo motor 35 is also arranged in the installation cavity 6. The screw rod 36 is rotatably connected with the output shaft of the third servo motor 35 through gear matching. The sealing plate 34 at the lower end of the storage rack 32 is threadedly matched with the screw rod 36. The third servo motor 35 is electrically connected to the PLC controller. Then, the third servo motor 35 is started under the control of the PLC controller to drive the screw rod 36 to rotate, so that the storage rack 32 slides on the track rod 37.

[0068] During the specimen preparation process, the required tools and items such as culture dishes can be placed on the rack 32. The tools are placed on the rack 32 in advance. When the rack 32 is in the installation cavity 6, the second ultraviolet lamp 13 can be used to sterilize the tools.

[0069] Two operation ports 33 are provided on the front side wall of the housing 2. Each operation port 33 is provided with a silicone glove 38. The operator can put both hands into the silicone glove 38 to perform the preparation operation in the preparation chamber 8.

[0070] A take-in / put-out opening 39 is provided at the lower end of the front side wall of the housing 2 and located between the two operation openings 33. A cover plate 40 is rotatably connected to the take-in / put-out opening 39. A sealing gasket is provided between the cover plate 40 and the area buckle 39. By opening the cover plate 40, the raw materials and other items required for preparation can be placed into the preparation chamber 8.

[0071] The method for using the bacterial microorganism specimen preparation station includes the following steps:

[0072] Step 1: Preparation before preparation. Before preparation, the staff can open the cover plate 40 and put the raw materials and other items required for preparation into the preparation chamber 8. After the raw materials and tools are put into the preparation chamber, the control mechanism starts the internal circulation mechanism;

[0073] Step 2: Wait before preparation. After the internal circulation mechanism is started, wait for 1 hour to give the internal circulation mechanism time to create a suitable preparation environment. The working process of the internal circulation mechanism is as follows:

[0074] S1: The control mechanism controls the temperature control component circuit to be turned on, and the first ultraviolet lamp 11, the second ultraviolet lamp 13, the air intake fan 14 and the exhaust fan 15 circuits are synchronously turned on. After the air intake fan 14 and the exhaust fan 15 are started, the air intake fan 14 cooperates with the exhaust fan 15 to make the air in the preparation chamber 8 circulate after being disinfected and filtered. The air in the preparation chamber 8 first enters the disinfection chamber 9 near the air intake fan 14. After the first ultraviolet lamp 11 in the disinfection chamber 9 performs initial sterilization, the air flows into the transition chamber 5 corresponding to the disinfection chamber 9, and passes through the transition chamber 5. The filter bag 12 filters out dust and impurities, and then sends them to one side of the installation chamber 6. Under the blowing of multiple air intake fans 14, the air enters the filter tank 16, and is successively disinfected with alcohol, washed with clean water, and dried by the drying bag before being discharged and entering the installation chamber 6 on the other side. During the process of the air flowing in the installation chamber 6, it is sterilized by the second ultraviolet lamp 13, and then the air enters the transition chamber 5 on the other side. After the temperature is controlled by the temperature control component in the transition chamber 5, the air is pumped to another disinfection chamber 9 by the exhaust fan 15, and after being sterilized again, it flows into the preparation chamber 8, thereby completing the cycle;

[0075] S2: The temperature sensor monitors the temperature in the preparation chamber 8 in real time and uploads the temperature data to the control mechanism. The control mechanism is provided with a rated temperature range. The control mechanism compares the real-time temperature data with the rated temperature range.

[0076] If the temperature value monitored in real time by the temperature sensor is lower than the minimum value of the rated temperature range, the PLC controller controls the electric heater 19 circuit to be turned on, and the cooling plate 18 circuit remains disconnected, the electric heater 19 heats the heat conducting plate 17a, and the air exchanges heat with the heat conducting plate 17a during the process of passing through the multiple heat conducting plates 17a, thereby heating the air;

[0077] If the temperature value monitored in real time by the temperature sensor is within the rated temperature range, the PLC controller controls the circuit of the electric heater 19 to remain disconnected, and the circuit of the cooling plate 18 to remain disconnected;

[0078] If the temperature value monitored in real time by the temperature sensor is greater than the maximum value of the rated temperature range, the PLC controller controls the electric heater 19 circuit to remain disconnected and the cooling plate 18 circuit to be connected, and the heat absorbing end of the cooling plate 18 absorbs the heat on the heat conducting plate 17a, thereby cooling the heat conducting plate 17a. When the air flows through the multiple heat conducting plates 17a, it exchanges heat with the heat conducting plates 17a and cools down the air, thereby cooling the air.

[0079] S3: The control mechanism controls the circuit of the cooling plate 18 or the electric heating plate 19 to be turned on according to the comparison result, so as to cool or heat the air passing through;

[0080] Step 3: During preparation, the specimen is prepared on the preparation platform 30, and the preparation operation can be performed using the cleaning sink 31

[0081] Step 4: Oscillate and shake. During the preparation process, if the bacteria or microbial culture solution in the culture dish needs to be shaken and mixed, the culture dish can be placed in the oscillation box 26. The culture dish is fixed by the cooperation of the silicone block 48 and the silicone pad 49. The oscillation mechanism is started by inputting instructions to the PLC controller through the touch panel 41. The first servo motor 22 is started under the control of the PLC controller to drive the turntable 23 to rotate at a constant speed. At the same time, the second servo motor 46 is also started under the control of the PLC controller and rotates regularly and repeatedly, so that the rotating rod 25 regularly swings repeatedly within a certain angle. While the rotating rod 25 swings, the spur gear 28 and the gear ring 29 mesh with each other, so that the rotating rod 25 rotates in a circular direction at the same time, and the oscillation box 26 rotates and swings synchronously. The culture dish in the oscillation box 26 rotates and swings synchronously, and the culture dish swings in the circumferential direction and the vertical plane and rotates in the circumferential direction with the rotating rod 25 as the axis.

[0082] Step 5: After preparation, the tools are cleaned in the cleaning sink 31 and placed on the rack 32. The height adjustment mechanism is controlled by the control mechanism to drive the rack 32 to slide down and hide in the installation cavity 6. The second ultraviolet lamp 13 continuously irradiates and disinfects the tools. After the internal circulation mechanism continues to work for 1 hour, the whole tool is powered off.

[0083] The above embodiments are only for illustrating the technical idea of ​​the present invention, and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the present invention.

Claims

1. A bacterial microorganism specimen preparation station, characterized in that: The invention comprises a cabinet (1), a cover (2), an oscillating mechanism, an internal circulation mechanism and a control mechanism, wherein a plurality of supporting legs (3) are provided at the lower end of the cabinet (1), the cover (2) is arranged at the upper end of the cabinet (1), and a closed space is formed between the cover (2) and the cabinet (1), the internal circulation mechanism is arranged in the cabinet (1), and the internal circulation mechanism connects the airway between the inside of the cover (2) and the inside of the cabinet (1), the oscillating mechanism is arranged at the upper end of the cabinet (1), and the oscillating mechanism is located inside the cover (2), and the oscillating mechanism and the internal circulation mechanism are electrically connected to the control mechanism; the cabinet (1) comprises a rectangular cabinet body (1a) with an open upper end and a table (1b), the table (1b) is arranged at the upper end of the cabinet body (1a), and the cabinet body (1a) Two first partitions (4) are symmetrically arranged at both sides of the interior, and the two first partitions (4) divide the interior of the cabinet body (1a) into an installation chamber (6) and two transition chambers (5); the cover shell (2) is a rectangular frame with an open lower end, and two second partitions (7) are symmetrically arranged at both sides of the interior, and the two second partitions (7) divide the interior of the cover shell (2) into a preparation chamber (8) and two disinfection chambers (9), and the two disinfection chambers (9) are respectively arranged corresponding to the two transition chambers (5), and the disinfection chamber (9) and the corresponding transition chamber (5) are connected through a through hole arranged on the table (1b), and a through hole is arranged at the upper end of the second partition (7) to connect the disinfection chamber (9) and the preparation chamber (8); the internal circulation mechanism comprises an alcohol disinfection component, a temperature control component, a multi- A first ultraviolet lamp (11), a plurality of filter bags (12), a plurality of second ultraviolet lamps (13), a plurality of air intake fans (14) and a plurality of exhaust fans (15); the plurality of air intake fans (14) are arranged side by side on one side of the upper end of a table plate (1b), and the air intake fans (14) cover the through holes on one side of the upper end of the table plate (1b); the plurality of exhaust fans (15) are arranged side by side on the other side of the upper end of the table plate (1b), and the exhaust fans (15) cover the through holes on the other side of the upper end of the table plate (1b); the plurality of filter bags (12) are all arranged in a transition cavity (5) close to one side of the air intake fans (14); and the alcohol disinfection component is arranged in the installation cavity (6); the alcohol disinfection component comprises a filter tank (16), and the filter tank (16) is arranged in the installation cavity (6). , the air passage between the interior of the filter tank (16) and the installation chamber (6) is connected, alcohol, clean water and a drying bag are arranged in the filter tank (16), the interior of the filter tank (16) is divided into an alcohol chamber (16a), a clean water chamber (16b) and a drying chamber (16c) by two third partitions (42), both side walls of the filter tank (16) along the width direction and the two third partitions near the upper end are provided with through grooves, and L-shaped air guide pipes (43) are arranged at the corresponding through grooves in the alcohol chamber (16a) and the clean water chamber (16b), and air flows into the filter tank (16) and is discharged after passing through the alcohol, clean water and the drying bag in sequence; the temperature control component comprises a temperature sensor, a heat conducting frame (17), a plurality of cooling plates (18) and a plurality of electric heating plates (19);The heat conducting frame (17) comprises a heat conducting plate (17a) and a plurality of heat exchanging fins (17b), the plurality of heat exchanging fins (17b) are arranged side by side on the heat conducting plate (17a), and each heat exchanging fin (17b) is provided with a plurality of through holes, the plurality of refrigeration fins (18) are attached to a side end of the heat conducting plate (17a) away from the heat exchanging fins (17b), the outer side of the cabinet body (1a) is formed with a first mounting groove (20) inwardly along the length direction and at one end close to the exhaust fan (15), the first mounting groove (20) is provided with a plurality of through grooves, the plurality of heat exchanging fins (17b) pass through the through grooves and extend into the transition cavity (5), and the plurality of electric heating fins (19) are respectively arranged on the plurality of heat exchanging fins (17b); the oscillation mechanism comprises a first servo motor (22), a turntable (23), a rotating frame (24), a rotating rod (25), an oscillation box (26) and a second servo motor (4 6), a turntable (23) is rotatably arranged on a table (1b), a first servo motor (22) is arranged at the lower end of the table (1b), and an output shaft of the first servo motor (22) is rotatably connected to the turntable (23), a rotating frame (24) is arranged at the upper end of the turntable (23), a rotating ring (27) is rotatably connected to the rotating frame (24), an upper end of a rotating rod (25) is rotatably sleeved on the rotating ring (27), a spur gear (28) is arranged at the upper end of the rotating rod (25), a gear ring (29) meshing with the spur gear (28) is arranged on the rotating frame (24), a second servo motor (46) is arranged on the rotating frame (24), and an output shaft of the second servo motor (46) is connected to the rotating ring (27), the rotating ring (27) and the output shaft of the second servo motor (46) rotate synchronously, and an oscillation box (26) is arranged at the lower end of the rotating rod (25). ; 2. The bacterial microorganism specimen preparation station according to claim 1, characterized in that: Through holes are provided at positions on the table (1b) corresponding to the two transition chambers (5), connecting the interior of the cover shell (2) and the transition chamber (5); a through hole is also provided at the lower end of the first partition plate (4), connecting the installation chamber (6) and the two transition chambers (5).

3. The bacterial microorganism specimen preparation station according to claim 2, characterized in that: A plurality of fluorescent tubes (10) are arranged near the upper end of the preparation chamber (8), and the fluorescent tubes (10) are electrically connected to the control mechanism.

4. The bacterial microorganism specimen preparation station according to claim 3, characterized in that: A first porous plate (50) is provided near the lower end of each disinfection chamber (9), a plurality of first ultraviolet lamps (11) are respectively arranged on two first porous plates (50), and an alcohol disinfection component divides the installation chamber (6) into left and right sides, the left and right sides of the installation chamber (6) are connected through an air passage of the alcohol disinfection component, the temperature control component is arranged in the transition chamber (5) near the exhaust fan (15), and a plurality of second ultraviolet lamps (13) are arranged in the installation chamber (6).

5. The bacterial microorganism specimen preparation station according to claim 4, characterized in that: The two ends of the filter tank (16) along the length direction are fitted and sealed with the two ends of the installation cavity (6) along the width direction, the bottom end of the filter tank (16) is fitted and sealed with the bottom end of the installation cavity (6), and the top end of the filter tank (16) is fitted and sealed with the bottom end of the table plate (1b).

6. The bacterial microorganism specimen preparation station according to claim 5, characterized in that: The temperature sensor is arranged on the inner wall of the housing (2) and is located in the preparation chamber (8); a second porous plate (21) is provided at the open end of the first installation groove (20).

7. The bacterial microorganism specimen preparation station according to claim 3, characterized in that: The table (1b) is provided with a preparation platform (30), a cleaning water tank (31) and a storage rack (32); the upper end of the cleaning water tank (31) is fixed to the table (1b); the lower end of the cleaning water tank (31) passes through the table (1b) and extends into the installation cavity (6); a drainage port is provided at the lower end of the cleaning water tank (31); a drainage tank (30a) is provided along the edge of the preparation platform (30); the drainage tank (30a) is connected to the water channel of the cleaning water tank (31); a drainage port is provided at the lower end of the cleaning water tank (31); A first solenoid valve is provided, the lower end of the first solenoid valve passes through the bottom of the installation cavity (6) and is exposed from the cabinet body (1a); a storage rack (32) is slidably arranged on the table (1b); a height adjustment mechanism is provided in the installation cavity (6) and is connected to the storage rack (32); a sealing plate (34) is provided at the upper and lower ends of the storage rack (32); a sealing groove (47) matching the sealing plate (34) is provided at the upper and lower ends of the table (1b); and the sealing plate (34) is movably connected to the corresponding sealing groove (47).

8. The bacterial microorganism specimen preparation station according to claim 7, characterized in that: The height adjustment mechanism comprises a third servo motor (35), a screw rod (36) and a plurality of track rods (37); the plurality of track rods (37) are arranged in the installation cavity (6); the storage rack (32) is slidably arranged on the plurality of track rods (37); the screw rod (36) is rotatably arranged in the installation cavity (6); the third servo motor (35) is also arranged in the installation cavity (6); the screw rod (36) rotates synchronously with an output shaft of the third servo motor (35); and a sealing plate (34) at the lower end of the storage rack (32) is threadedly engaged with the screw rod (36).

9. The method for using the bacterial microorganism specimen preparation station according to any one of claims 1 to 8, characterized in that: The steps include: Step 1: Preparation before preparation. Before preparation, the raw materials and tools required for preparation are placed in the preparation chamber (8). After the raw materials and tools are placed in the preparation chamber, the control mechanism starts the internal circulation mechanism; Step 2: Wait before preparation. After the internal circulation mechanism is started, wait for 1 hour to give the internal circulation mechanism time to create a suitable preparation environment. The working process of the internal circulation mechanism is as follows: S1: The control mechanism controls the circuit of the temperature control component to be turned on, and the circuits of the first ultraviolet lamp (11), the second ultraviolet lamp (13), the air intake fan (14) and the exhaust fan (15) are turned on synchronously. After the air intake fan (14) and the exhaust fan (15) are started, the air in the preparation chamber (8) is circulated and filtered and disinfected by the alcohol disinfection component; S2: The temperature sensor monitors the temperature in the preparation chamber (8) in real time and uploads the temperature data to the control mechanism. The control mechanism is provided with a rated temperature range. The control mechanism compares the real-time temperature data with the rated temperature range. S3: The control mechanism controls the circuit of the cooling plate (18) or the electric heating plate (19) to be turned on according to the comparison result, so as to cool or heat the air flowing through; Step 3: During preparation, the specimen is prepared on the preparation platform (30), and the preparation operation can be performed using the cleaning sink (31) Step 4: Shake evenly. During the preparation process, the culture dish is placed in the shaking box (26), and the control mechanism controls the first servo motor (22) and the second servo motor (46) to start, driving the culture dish to swing in the circumferential direction, swing in the vertical plane, and rotate in the circumferential direction with the rotating rod (25) as the axis. Step 5: After preparation, the tools are cleaned in a cleaning sink (31) and placed on a storage rack (32). The control mechanism then controls the height adjustment mechanism to drive the storage rack (32) to slide down and hide in the installation cavity (6). The second ultraviolet lamp (13) continuously irradiates and disinfects the tools. After the internal circulation mechanism continues to work for 1 hour, the entire tool is powered off.

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