CN210176840U

CN210176840U - Culture medium preparation ware cooling device with adjustable

Info

Publication number: CN210176840U
Application number: CN201920710725.8U
Authority: CN
Inventors: Cuixia Li; 李翠霞; Xiaoxiao Li; 李晓晓; Jianying Mi; 米建英
Original assignee: Beret Biotechnology Zhengzhou Co Ltd
Current assignee: Beret Biotechnology Zhengzhou Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-24
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a culture medium preparation ware cooling device with adjustable, including culture medium preparation case, the louvre of ventilating, cooling control switch removes the wheel, and the hasp groove, culture medium household utensils rack structure with adjustable, the heat dissipation fan structure of can sealing, the guard gate structure of observing that can breathe freely, the delivery pipe, discharge control valve, limit stop, the thermometer connects the hinge board, water-cooled tube and protection blocking cap, the louvre of ventilating set up the upper surface intermediate position at culture medium preparation case. The clamping groove, the jacking spring and the jacking disc of the culture medium vessel are arranged, so that the vessel filled with the culture medium can be jacked and fixed; the arrangement of the longitudinal supporting plate, the adjusting through hole, the adjusting screw and the culture medium vessel placing plate is beneficial to adjusting the height of the culture medium vessel placing plate according to the requirement of culture and manufacturing; the arrangement of the water cooling pipe is beneficial to cooling and heat absorption by utilizing water cooling, and the cooling effect is improved.

Description

Culture medium preparation ware cooling device with adjustable

Technical Field

The utility model belongs to the technical field of the incubator, especially, relate to a culture medium preparation ware cooling equipment with adjustable.

Background

The culture medium is a nutrient medium prepared from different nutrient substances for the growth and reproduction of microorganisms, plants or animals (or tissues). Generally comprises several major substances such as carbohydrate, nitrogen-containing substances, inorganic salts (including trace elements), vitamins and water. The culture medium is not only a basic substance for providing nutrition for the cells and promoting the proliferation of the cells, but also a living environment for the growth and the propagation of the cells. The culture medium has many kinds, and can be divided into natural culture medium, synthetic culture medium and semi-synthetic culture medium according to the source of the preparation raw material; can be divided into solid culture medium, liquid culture medium and semisolid culture medium according to physical state; according to the culture function, the culture medium can be divided into a basic culture medium, a selective culture medium, an enriched culture medium, an identification culture medium and the like; according to the application range, the culture medium can be divided into a bacteria culture medium, an actinomycete culture medium, a yeast culture medium, a fungus culture medium and the like. The media is typically tested and pH adjusted after preparation, and sterilized, typically by autoclaving and filtration. The culture medium is rich in nutrients and is easy to be polluted or deteriorated. It should not be placed for a long time after being prepared, and is best to be prepared for use immediately.

The incubator is provided with a temperature-reducing and heating bidirectional temperature-regulating system and a humidity-regulating system, is indispensable laboratory equipment for scientific research and development departments such as plants, organisms, microorganisms, heredity, viruses, medicine, environmental protection and the like, and is widely applied to low-temperature constant-temperature tests, culture tests, environmental tests and the like.

The invention discloses a cooling device of a constant-temperature and constant-humidity incubator with the Chinese patent publication number of CN203833943U, and belongs to the technical field of incubator equipment. The cooling device comprises a plurality of transverse cold water pipelines, wherein the cold water pipelines are fixedly arranged on a box body and are positioned below a substrate, one end of each cold water pipeline is communicated with a water inlet pipeline, the other end of each water inlet pipeline is communicated with a water outlet pipeline, an air blower is arranged below each cold water pipeline, and a metal partition plate is fixedly arranged between each cold water pipeline and the substrate. But the current culture medium preparation ware cooling device still has the height-adjusting of being not convenient for, and the cooling effect is relatively poor and the inconvenient problem of looking over of process of cultivateing.

Therefore, it is necessary to invent an adjustable temperature reduction device of a culture medium preparation device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a culture medium preparation cooling device with adjustable to solve current culture medium preparation cooling device height-adjusting of being not convenient for, the relatively poor and inconvenient problem of looking over of process of cultivateing of cooling effect.

An adjustable culture medium preparation device cooling device comprises a culture medium preparation box, ventilation and heat dissipation holes, a cooling control switch, a moving wheel, a lock catch groove, an adjustable culture medium vessel placing frame structure, a sealable heat dissipation and cooling fan structure, a protective door structure capable of being observed in a ventilating way, a discharge pipe, a discharge control valve, a limit stop, a thermometer, a connecting hinge plate, a water cooling pipe and a protective blocking cap, wherein the ventilation and heat dissipation holes are formed in the middle of the upper surface of the culture medium preparation box; the cooling control switch is embedded at the right side position of the upper surface of the culture medium preparation box; the movable wheels are respectively bolted at four corners of the lower surface of the culture medium preparation box; the lock catch groove is arranged in the middle of the front part of the right side in the culture medium preparation box; the adjustable culture medium vessel placing frame structure is arranged at the lower side position inside the culture medium preparation box; the sealable heat dissipation cooling fan structure is arranged in the middle of the upper surface in the culture medium preparation box; the protective door structure for air permeable observation is connected with the left side of the front surface of the culture medium preparation box through a connecting hinge plate; the discharge pipe is embedded in the middle of the lower surface of the culture medium preparation box; the discharge control valve is in threaded connection with the middle position of the left side of the discharge pipe; the limit stop block is connected to the upper left side of the inner rear surface of the culture medium preparation box through a screw; the thermometer is glued to the right upper side of the inner rear surface of the culture medium preparation box; the connecting hinge plate is connected to the left position of the front surface of the culture medium preparation box through a screw; the water cooling pipe is embedded in the upper side position inside the culture medium preparation box; the protective blocking caps are respectively sleeved at the upper end and the lower end of the water cooling pipe; the adjustable culture medium vessel placing frame structure comprises a longitudinal supporting plate, an adjusting through hole, an adjusting screw, a culture medium vessel placing plate, a culture medium vessel clamping groove, a jacking spring and a jacking plate, wherein the adjusting through hole is formed in the front surface of the longitudinal supporting plate; the adjusting screw is in threaded connection with the adjusting through hole; the culture medium vessel placing plate is transversely inserted between the longitudinal support plate and the longitudinal support plate; the culture medium vessel clamping groove is formed in the upper side position inside the culture medium vessel placing plate; one end of the jacking spring is respectively embedded in the middle positions of the left side and the right side of the inner wall of the clamping groove of the culture medium vessel, and the other end of the jacking spring is connected to the middle position of the outer side of the jacking disc through a screw.

Preferably, the sealable heat dissipation cooling fan structure comprises a fixed screen plate, longitudinal supporting rods, a protective sealing baffle, a driving motor, a protective mesh enclosure and a heat dissipation silica gel fan blade, wherein the longitudinal supporting rods are respectively connected to the left side and the right side of the upper surface of the fixed screen plate through screws; the protective sealing baffle is axially connected between the longitudinal support rod and the middle position of the inner side of the longitudinal support rod; the driving electric bolt is connected to the middle position of the lower surface of the fixed screen plate; the protective net cover covers the outer sides of the driving electric and radiating silica gel fan blades and is connected with the fixed net plate through bolts; the radiating silica gel fan blade is connected to the output shaft of the driving motor through bolts.

Preferably, the protective door structure capable of ventilating and observing comprises a protective door plate, an observation window, a heat dissipation vent hole, a sealing plug, a connecting rope, a mechanical lock and a hand grip, wherein the observation window is embedded in the middle of the front surface of the protective door plate; the heat dissipation vent hole is formed in the right upper side of the front surface of the protective door plate; the sealing plug is inserted in the heat dissipation vent hole; one end of the connecting rope is glued to the middle position of the front surface of the sealing plug, and the other end of the connecting rope is glued to the right side position of the upper surface of the protective door plate; the mechanical lock is embedded in the middle position of the left side of the front surface of the protective door plate; the grab handle screw is connected to the middle position of the left side of the protective door plate.

Preferably, the observation window is a rectangular tempered glass window with the thickness of three to five millimeters; the protective door plate is connected with the connecting hinge plate through screws; the lock core of the mechanical lock is clamped with the lock catch groove.

Preferably, the protective sealing baffle sheet is a circular PVC plastic sheet; the protective sealing blocking sheet is arranged in the ventilation and heat dissipation hole; the fixed screen plate is a stainless steel screen plate; the fixed screen plate is connected with the culture medium preparation box through bolts.

Preferably, the middle position of the outer surface of the hand grab handle is sleeved with an anti-slip sleeve.

Preferably, the anti-slip sleeve is a cylindrical rubber sleeve; the outer surface of the anti-skid sleeve is provided with a straight-line anti-skid line.

Preferably, the moving wheel is a rubber universal wheel with a brake pad; the culture medium preparation box is a stainless steel box.

Preferably, the limit stop is a rectangular stainless steel block; the protective blocking cap is a rubber cap with one end sealed.

Preferably, the longitudinal support plate is a U-shaped stainless steel plate; the longitudinal support plate is connected with the culture medium preparation box through screws.

Preferably, the adjusting screw penetrates through the adjusting through hole and is in threaded connection with the culture medium vessel placing plate; the adjusting through holes are provided in plurality.

Preferably, the cooling control switch is electrically connected with the driving motor; the driving motor is a motor with the model number of R1220; the mechanical lock is a mechanical lock of MS-7124; the thermometer is specifically a CX-318 thermometer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, culture medium household utensils draw-in groove, the tight spring in top and the setting of the tight dish in top are favorable to pushing up tightly fixedly to the household utensils that contain the culture medium.

2. The utility model discloses in, vertical backup pad, adjusting hole, adjusting screw and culture medium household utensils place the setting of dish, be favorable to making according to the cultivation needs, adjust the height that the dish was placed to culture medium household utensils.

3. The utility model discloses in, the drive electronic, the setting of protection screen panel and heat dissipation silica gel flabellum is favorable to utilizing the fan to cool down.

4. The utility model discloses in, the setting of water-cooled tube, be favorable to utilizing the water-cooling to cool down the heat absorption, improve the cooling effect.

5. The utility model discloses in, limit stop specifically adopt rectangular stainless steel piece, be favorable to playing the effect of spacing protection in accommodation process.

6. The utility model discloses in, the observation window adopt thickness to set up to three millimeters to five millimeters's rectangle toughened glass windows, be favorable to looking over the growth situation of culture medium to numerical value look over on the convenient thermometer.

7. The utility model discloses in, the surface intermediate position of grab handle cup jointed the antiskid cover, be favorable to opening and being closed of protection door plant.

8. The utility model discloses in, removal wheel specifically adopt the rubber universal wheel that has the brake block, be favorable to this cooling device's removal and fixed, increase the convenience of using.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the adjustable culture medium vessel placing rack structure of the present invention.

Fig. 3 is a schematic structural view of the sealable heat dissipation and cooling fan structure of the present invention.

Fig. 4 is a schematic structural view of a breathable viewing protective door structure of the present invention.

In the figure:

1. a culture medium preparation box; 2. ventilating and radiating holes; 3. a cooling control switch; 4. a moving wheel; 5. a locking groove; 6. an adjustable culture medium vessel rack structure; 61. a longitudinal support plate; 62. adjusting the through hole; 63. an adjusting screw; 64. a culture medium vessel placing tray; 65. a culture medium vessel clamping groove; 66. the spring is tightly propped; 67. tightly pushing the disc; 7. a sealable heat dissipation cooling fan structure; 71. fixing the screen plate; 72. a longitudinal strut; 73. a protective sealing baffle sheet; 74. driving the motor; 75. a protective mesh enclosure; 76. radiating silica gel fan blades; 8. a protective door structure that is breathable for viewing; 81. a protective door panel; 82. an observation window; 83. a heat dissipating vent; 84. a sealing plug; 85. connecting ropes; 86. a mechanical lock; 87. a grab handle; 871. an anti-slip sleeve; 9. a discharge pipe; 10. an exhaust control valve; 11. a limit stop block; 12. a thermometer; 13. connecting the hinge plates; 14. a water-cooled tube; 15. a protective blocking cap.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in the accompanying drawings 1-2, the utility model provides an adjustable culture medium preparation device cooling equipment, which comprises a culture medium preparation box 1, a ventilation and heat dissipation hole 2, a cooling control switch 3, a moving wheel 4, a locking groove 5, an adjustable culture medium vessel placing frame structure 6, a sealable heat dissipation and cooling fan structure 7, a protective door structure 8 which can be observed in a ventilation way, a discharge pipe 9, a discharge control valve 10, a limit stop 11, a thermometer 12, a connecting hinge plate 13, a water cooling pipe 14 and a protective blocking cap 15, wherein the ventilation and heat dissipation hole 2 is arranged at the middle position of the upper surface of the culture medium preparation box 1; the cooling control switch 3 is embedded at the right side position of the upper surface of the culture medium preparation box 1; the moving wheels 4 are respectively bolted at four corners of the lower surface of the culture medium preparation box 1; the lock catch groove 5 is arranged in the middle of the front part of the right side in the culture medium preparation box 1; the adjustable culture medium vessel placing frame structure 6 is arranged at the lower side position in the culture medium preparation box 1; the sealable heat dissipation and cooling fan structure 7 is arranged in the middle of the upper surface in the culture medium preparation box 1; the protective door structure 8 which can be observed in a ventilating way is connected with the left side of the front surface of the culture medium preparation box 1 through a connecting hinge plate 13; the discharge pipe 9 is embedded in the middle of the lower surface of the culture medium preparation box 1; the discharge control valve 10 is in threaded connection with the middle position of the left side of the discharge pipe 9; the limit stop 11 is connected to the upper left side of the inner rear surface of the culture medium preparation box 1 through a screw; the thermometer 12 is glued on the right upper side of the inner rear surface of the culture medium preparation box 1; the connecting hinge plate 13 is connected to the left position of the front surface of the culture medium preparation box 1 through a screw; the water-cooling pipe 14 is embedded in the upper position inside the culture medium preparation box 1; the protective blocking caps 15 are respectively sleeved at the upper end and the lower end of the water cooling pipe 14; the adjustable culture medium vessel placing frame structure 6 comprises a longitudinal supporting plate 61, an adjusting through hole 62, an adjusting screw 63, a culture medium vessel placing disc 64, a culture medium vessel clamping groove 65, a jacking spring 66 and a jacking disc 67, wherein the adjusting through hole 62 is formed in the front surface of the longitudinal supporting plate 61; the adjusting screw 63 is in threaded connection with the adjusting through hole 62; the culture medium vessel placing plate 64 is transversely inserted between the longitudinal support plate 61 and the longitudinal support plate 61; the culture medium vessel clamping groove 65 is formed in the upper side position inside the culture medium vessel placing plate 64; one end of the jacking spring 66 is respectively embedded in the middle positions of the left side and the right side of the inner wall of the culture medium vessel clamping groove 65, and the other end of the jacking spring is connected to the middle position of the outer side of the jacking disc 67 through a screw; pushing the culture medium preparation box 1, moving the equipment to a position to be used under the action of the moving wheel 4, and fixing a brake pad on the moving wheel 4; adjusting screws 63 are loosened according to the preparation requirement, the height of the culture medium vessel placing plate 64 is changed, vessels containing culture medium are clamped in the culture medium vessel clamping grooves 65, and the jacking plates 67 are jacked on two sides of the culture medium vessel under the action of jacking springs 66 to play a role in restraining and fixing.

As shown in fig. 3, in the above embodiment, specifically, the sealable heat dissipation cooling fan structure 7 includes a fixed screen 71, longitudinal support rods 72, a protective sealing baffle 73, a driving motor 74, a protective mesh enclosure 75 and heat dissipation silica gel fan blades 76, where the longitudinal support rods 72 are respectively screwed to the left and right sides of the upper surface of the fixed screen 71; the protective sealing baffle plate 73 is axially connected at the middle positions of the inner sides of the longitudinal support rod 72 and the longitudinal support rod 72; the driving motor 74 is connected with the middle position of the lower surface of the fixed screen plate 71 through a bolt; the protective mesh enclosure 75 covers the driving motor 74 and the radiating silica gel fan blade 76 and is connected with the fixed mesh plate 71 through bolts; the radiating silica gel fan blade 76 is connected to the output shaft of the driving motor 74 through bolts.

In the above embodiment, as shown in fig. 4, specifically, the protective door structure 8 with breathable observation comprises a protective door panel 81, an observation window 82, a heat dissipation vent 83, a sealing plug 84, a connecting rope 85, a mechanical lock 86 and a hand grip 87, wherein the observation window 82 is embedded in the middle position of the front surface of the protective door panel 81; the heat dissipation vent 83 is arranged at the upper right side of the front surface of the protective door panel 81; the sealing plug 84 is inserted into the heat dissipation vent hole 83; one end of the connecting rope 85 is glued to the middle position of the front surface of the sealing plug 84, and the other end of the connecting rope is glued to the right side position of the upper surface of the protective door panel 81; the mechanical lock 86 is embedded in the middle position of the left side of the front surface of the protective door plate 81; the hand grab handle 87 is connected to the middle position of the left side of the protective door plate 81 through a screw; hand and hold antiskid cover 871 and hand grab handle 87, close protection door panel 81, and close mechanical lock 86 with supporting key, observe through observation window 82, look over the numerical value on the thermometer 12, when the temperature is higher, drag connection rope 85 and pull out sealing plug 84, switch on external power supply, start the electronic 74 of drive through cooling control switch 3, drive heat dissipation silica gel flabellum 76 and rotate under the effect of drive electronic 74, make the air enter into culture medium preparation case 1 through heat dissipation air vent 83, and discharge from the space of protection sealing separation blade 73 and ventilation and heat dissipation hole 2 under the effect of wind power, thereby circulate and play the effect of cooling, can open the protection stifled cap 15 on upper portion simultaneously, inject cold water into in toward water-cooled tube 14 and cool down the heat absorption, improve the cooling effect.

In the above embodiment, specifically, the observation window 82 is a rectangular tempered glass window with a thickness of three to five millimeters; the protective door plate 81 is in screw connection with the connecting hinge plate 13; the lock core of the mechanical lock 86 is clamped with the lock catch groove 5.

In the above embodiment, specifically, the protective sealing barrier 73 specifically uses a circular PVC plastic sheet; the protective sealing baffle plate 73 is arranged in the ventilation and heat dissipation hole 2; the fixed screen 71 is a stainless steel screen; the fixed net plate 71 is connected with the culture medium preparation box 1 through bolts.

In the above embodiment, specifically, the middle position of the outer surface of the hand grip 87 is sleeved with the anti-slip cover 871.

In the above embodiment, specifically, the anti-slip sleeve 871 specifically adopts a cylindrical rubber sleeve; the outer surface of the anti-skid sleeve 871 is provided with a straight anti-skid line.

In the above embodiment, specifically, the moving wheel 4 specifically adopts a rubber universal wheel with a brake pad; the culture medium preparation box 1 is a stainless steel box.

In the above embodiment, specifically, the limit stop 11 specifically adopts a rectangular stainless steel block; the protective blocking cap 15 is a rubber cap with one end sealed.

In the above embodiment, specifically, the longitudinal support plate 61 is a U-shaped stainless steel plate; the longitudinal support plate 61 is connected with the culture medium preparation box 1 through screws.

In the above embodiment, specifically, the adjusting screw 63 penetrates through the adjusting through hole 62 and is in threaded connection with the culture medium vessel placing plate 64; the adjusting through hole 62 is provided in plurality.

In the above embodiment, specifically, the cooling control switch 3 is electrically connected to the driving motor 74; the driving motor 74 is a motor with the model number of R1220; the mechanical lock 86 is a mechanical lock of MS-7124; the thermometer 12 is a CX-318 thermometer.

Principle of operation

When the utility model is used, the culture medium preparation box 1 is pushed, the device is moved to the position to be used under the action of the movable wheel 4, and the brake block on the movable wheel 4 is fixed; adjusting screws 63 are loosened according to the preparation requirement, the height of the culture medium vessel placing plate 64 is changed, the vessel containing the culture medium is clamped in the culture medium vessel clamping groove 65, and the jacking plates 67 are jacked on two sides of the culture medium vessel under the action of jacking springs 66 to play a role in restraining and fixing; hand and hold antiskid cover 871 and hand grab handle 87, close protection door panel 81, and close mechanical lock 86 with supporting key, observe through observation window 82, look over the numerical value on the thermometer 12, when the temperature is higher, drag connection rope 85 and pull out sealing plug 84, switch on external power supply, start the electronic 74 of drive through cooling control switch 3, drive heat dissipation silica gel flabellum 76 and rotate under the effect of drive electronic 74, make the air enter into culture medium preparation case 1 through heat dissipation air vent 83, and discharge from the space of protection sealing separation blade 73 and ventilation and heat dissipation hole 2 under the effect of wind power, thereby circulate and play the effect of cooling, can open the protection stifled cap 15 on upper portion simultaneously, inject cold water into in toward water-cooled tube 14 and cool down the heat absorption, improve the cooling effect.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The adjustable culture medium preparation device cooling equipment is characterized by comprising a culture medium preparation box (1), ventilating and cooling holes (2), a cooling control switch (3), moving wheels (4), a locking groove (5), an adjustable culture medium vessel placing frame structure (6), a sealable cooling fan structure (7), a protective door structure (8) allowing air to be observed, a discharge pipe (9), a discharge control valve (10), a limit stop (11), a thermometer (12), a connecting hinge plate (13), a water-cooled tube (14) and a protective blocking cap (15), wherein the ventilating and cooling holes (2) are formed in the middle of the upper surface of the culture medium preparation box (1); the cooling control switch (3) is embedded at the right side position of the upper surface of the culture medium preparation box (1); the moving wheels (4) are respectively connected to the four corners of the lower surface of the culture medium preparation box (1) through bolts; the lock catch groove (5) is arranged in the middle of the front part of the right side in the culture medium preparation box (1); the adjustable culture medium vessel placing frame structure (6) is arranged at the lower side position in the culture medium preparation box (1); the sealable heat dissipation and cooling fan structure (7) is arranged in the middle of the upper surface in the culture medium preparation box (1); the protective door structure (8) for air permeable observation is connected with the left side of the front surface of the culture medium preparation box (1) through a connecting hinge plate (13); the discharge pipe (9) is embedded in the middle of the lower surface of the culture medium preparation box (1); the discharge control valve (10) is in threaded connection with the middle position of the left side of the discharge pipe (9); the limit stop (11) is connected to the upper left side of the inner rear surface of the culture medium preparation box (1) through screws; the thermometer (12) is glued to the right upper side of the inner rear surface of the culture medium preparation box (1); the connecting hinge plate (13) is connected to the left side of the front surface of the culture medium preparation box (1) through screws; the water-cooling pipe (14) is embedded in the upper side position inside the culture medium preparation box (1); the protective blocking caps (15) are respectively sleeved at the upper end and the lower end of the water cooling pipe (14); the adjustable culture medium vessel placing frame structure (6) comprises a longitudinal supporting plate (61), an adjusting through hole (62), an adjusting screw (63), a culture medium vessel placing disc (64), a culture medium vessel clamping groove (65), a jacking spring (66) and a jacking disc (67), wherein the adjusting through hole (62) is formed in the front surface of the longitudinal supporting plate (61); the adjusting screw (63) is in threaded connection with the adjusting through hole (62); the culture medium vessel placing plate (64) is transversely inserted between the longitudinal support plate (61) and the longitudinal support plate (61); the culture medium vessel clamping groove (65) is formed in the upper side position inside the culture medium vessel placing plate (64); one end of the jacking spring (66) is respectively embedded in the middle positions of the left side and the right side of the inner wall of the culture medium vessel clamping groove (65), and the other end of the jacking spring is connected to the middle position of the outer side of the jacking disc (67).

2. The adjustable temperature reduction equipment for the culture medium preparation device as claimed in claim 1, wherein the sealable heat-dissipation cooling fan structure (7) comprises a fixed screen plate (71), longitudinal support rods (72), a protective sealing baffle plate (73), a driving motor (74), a protective mesh enclosure (75) and heat-dissipation silica gel fan blades (76), wherein the longitudinal support rods (72) are respectively screwed at the left and right sides of the upper surface of the fixed screen plate (71); the protective sealing baffle plate (73) is axially connected at the middle positions of the inner sides of the longitudinal support rod (72) and the longitudinal support rod (72); the driving electric (74) is connected to the middle position of the lower surface of the fixed screen plate (71) through a bolt; the protective net cover (75) covers the outer sides of the driving motor (74) and the radiating silica gel fan blade (76) and is connected with the fixed screen plate (71) through bolts; the radiating silica gel fan blade (76) is connected to an output shaft of the driving motor (74) through a bolt.

3. The adjustable media preparation cooler apparatus of claim 1, wherein said gas-permeable viewing door structure (8) comprises a protective door panel (81), a viewing window (82), a heat dissipating vent (83), a sealing plug (84), a connecting cord (85), a mechanical lock (86) and a hand grip (87), said viewing window (82) being mounted in a central position on the front surface of said protective door panel (81); the heat dissipation vent hole (83) is formed in the right upper side of the front surface of the protective door panel (81); the sealing plug (84) is inserted in the heat dissipation vent hole (83); one end of the connecting rope (85) is glued to the middle position of the front surface of the sealing plug (84), and the other end of the connecting rope is glued to the right position of the upper surface of the protective door panel (81); the mechanical lock (86) is embedded in the middle position of the left side of the front surface of the protective door plate (81); the hand grab handle (87) is connected to the middle position of the left side of the protective door plate (81) through a screw.

4. The adjustable media preparation temperature reduction device of claim 3, wherein the observation window (82) is a rectangular tempered glass window with a thickness of three to five millimeters; the protective door plate (81) is in screw connection with the connecting hinge plate (13); the lock cylinder of the mechanical lock (86) is clamped with the lock catch groove (5).

5. The adjustable media preparation temperature reduction device of claim 2, wherein the protective sealing flap (73) is embodied in a circular PVC plastic sheet; the protective sealing baffle plate (73) is arranged in the ventilation and heat dissipation hole (2); the fixed screen plate (71) is a stainless steel screen plate; the fixed net plate (71) is connected with the culture medium preparation box (1) through bolts.

6. The adjustable culture medium preparation device cooling device as claimed in claim 3, wherein an anti-slip sleeve (871) is sleeved on the middle position of the outer surface of the hand grip (87).

7. The adjustable temperature reduction device for the culture medium preparation device of claim 6, wherein the anti-slip sleeve (871) is a cylindrical rubber sleeve; the outer surface of the anti-skid sleeve (871) is provided with a straight anti-skid line.

8. The adjustable temperature reduction device for the culture medium preparation device according to claim 1, wherein the moving wheel (4) is a rubber universal wheel with a brake pad; the culture medium preparation box (1) is a stainless steel box.

9. The adjustable media-maker cooling device of claim 1, wherein the limit stop (11) is a rectangular stainless steel block; the protective blocking cap (15) is a rubber cap with one end sealed.

10. The adjustable media preparation temperature reduction apparatus of claim 1, wherein the longitudinal support plate (61) is a U-shaped stainless steel plate; the longitudinal support plate (61) is in screw connection with the culture medium preparation box (1).