CN111575170A

CN111575170A - Microorganism detection device capable of performing continuous operation detection

Info

Publication number: CN111575170A
Application number: CN202010558640.XA
Authority: CN
Inventors: 李鑫; 徐君怡; 李立梅; 朱春玉; 石建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-08-25

Abstract

The invention provides a microorganism detection device capable of carrying out continuous operation detection, which comprises a detection device and a culture dish moving mechanism, wherein the culture dish moving mechanism is arranged on the detection device; the detection device comprises an eyepiece body, a lens barrel and an objective lens, wherein the eyepiece body is fixedly inserted at the top end of the culture box body in a penetrating manner, a lower insertion cylinder is arranged at the lower end of the eyepiece body and arranged in the culture box body, the upper end of the lens barrel is inserted in the lower insertion cylinder, the objective lens is provided with four groups and respectively inserted in insertion holes on the objective lens replacement mechanism, one group of objective lenses is arranged right below the lens barrel, the lens barrel is also arranged on the fine adjustment mechanism, and the culture dish moving mechanism is slidably arranged at the bottom side of the objective lenses. According to the invention, by arranging the objective lens replacing mechanism, the fine adjustment mechanism and the culture dish moving mechanism, microorganisms in the culture dish in the clamping groove can be sequentially detected, and the whole object lens replacing, fine adjustment and culture dish detecting can be carried out in the culture box, so that the detection efficiency is improved, and the detection result is more accurate.

Description

Microorganism detection device capable of performing continuous operation detection

Technical Field

The invention belongs to the technical field of microorganism detection, and particularly relates to a microorganism detection device capable of carrying out continuous operation detection.

Background

Microorganisms are a generic term for all microorganisms that are difficult for an individual to observe with the naked eye. Microorganisms include bacteria, viruses, fungi, and a few algae, among others. One of the most important effects of microorganisms on humans is the prevalence that leads to infectious diseases. In human diseases 50% are caused by viruses. Microorganisms have led to the history of human disease, i.e., the history of human struggling with it. In the prevention and treatment of diseases, human beings have made great progress, but new and recurring microbial infections continue to occur, like a large number of viral diseases are always lacking in effective therapeutic drugs.

If the application number is: the invention of CN201910464984.1 discloses an automatic microorganism culture detection device, which comprises a bottom plate and a pair of parallel mounting plates, wherein the mounting plates are arranged on the bottom plate through a bracket, a roll shaft is rotatably connected between the two mounting plates, a plurality of connecting rods distributed radially are respectively and vertically connected to two ends of the roll shaft, the connecting rods at two ends of the roll shaft are in one-to-one correspondence, and one end of each pair of connecting rods, which is far away from the roll shaft, is jointly and rotatably connected with a lifting plate for placing a culture dish; one of the mounting plates is provided with a stepping motor, and an output shaft of the stepping motor is connected with the roll shaft; the driving mechanism is a mechanism capable of performing reciprocating linear motion and comprises a CCD camera, and a lens of the CCD camera faces to the top or the bottom of the culture dish. The invention can automatically monitor the culture condition of the microorganisms in the culture dish, realizes the automatic culture and detection of the microorganisms and greatly improves the culture efficiency.

Based on the foregoing, traditional microorganism detection device needs to put the microorganism earlier and cultivates in the culture dish, then places the culture dish and detect the observation under the microscope, and the operation is more troublesome, reduces the efficiency that detects, and the microorganism that influences in the culture dish easily after the culture dish is taken out from the incubator in addition leads to the testing result inaccurate, consequently needs a microorganism detection device that can carry out the continuous operation and detect.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a microorganism detection apparatus capable of performing continuous operation detection, so as to solve the problems that at present, a microorganism needs to be cultured in a culture dish, and then the culture dish is placed under a microscope for detection and observation, which is troublesome in operation, reduces detection efficiency, and causes inaccurate detection results due to the fact that the microorganism in the culture dish is easily affected after the culture dish is taken out of a culture box.

The purpose and the efficacy of the microorganism detection device capable of continuously operating and detecting are achieved by the following specific technical means:

a microorganism detection device capable of carrying out continuous operation detection comprises a detection device and a culture dish moving mechanism; the detection device comprises an eyepiece body, a lens barrel and an objective lens, wherein the eyepiece body is fixedly inserted at the top end of the culture box body in a penetrating manner, a lower insertion cylinder is arranged at the lower end of the eyepiece body and arranged inside the culture box body, the upper end of the lens barrel is inserted in the lower insertion cylinder, the objective lens is provided with four groups and respectively inserted in insertion holes on the objective lens replacement mechanism, one group of objective lenses is arranged right below the lens barrel, the lens barrel is also arranged on the fine adjustment mechanism, the objective lens replacement mechanism is also arranged on the inner side of the fine adjustment mechanism, and the culture dish moving mechanism is slidably arranged at the bottom side of the objective lenses.

Further, fine-tuning is including adjusting the crown plate, going up snap ring, outer fishplate bar, screw thread section of thick bamboo, screw thread adjusting lever, the cross section of going up the snap ring is for falling L type structure and connect in the upside of adjusting the crown plate, and outer fishplate bar is equipped with two sets of and symmetric connection at the outer peripheral end of adjusting the crown plate, it has screw thread section of thick bamboo still to fix the interlude respectively on the outer fishplate bar, and the screw thread adjusting lever alternates on screw thread section of thick bamboo through the thread engagement respectively, still connects through synchronous belt drive between the upper end of screw thread adjusting lever.

Further, fine-tuning is still including arc riser, cartridge ring, screw locking lever, the upside one end of regulation ring board is connected to the arc riser and is established in the outside of last snap ring, and the cartridge ring is established in the upper end inboard of arc riser, the outer arc end of arc riser still has screw locking lever through threaded connection, and the lens cone cartridge is in the cartridge ring and fixed through screw locking lever.

Further, objective change mechanism is including cross commentaries on classics board, jack, square pole, rotary drum, baffle, linkage gear A, the outer end that the cross changeed the board clamps between regulation crown plate and last snap ring, and the cross changes four ends of board and is equipped with the jack respectively, the cross changes the top side centre of board and still fixedly connected with square pole, and the square pole upwards slides and penetrates in the square hole of rotary drum, the rotary drum rotates through the baffle of its upper and lower both sides and inlays in last diaphragm, and the lower extreme of rotary drum still fixedly connected with linkage gear A.

Further, the mechanism is changed to objective still including vertical drive shaft and drive gear, vertical drive shaft penetrates in the incubator body and passes the entablature and be connected with drive gear from the top of incubator body, the number of teeth of the card on the drive gear is 1/4 of the number of teeth of the card on the drive gear, and can be connected with linkage gear A meshing in the drive gear rotation process.

Further, culture dish moving mechanism is including sliding plate, draw-in groove, rack, vertical universal driving shaft, linkage gear B, horizontal drive shaft, bevel gear group, the sliding plate slidable mounting is in calorie frame, and card frame fixed connection is on the top of fagging, be equipped with four group's draw-in grooves on the sliding plate, and the bottom of sliding plate is equipped with the thru hole, the rear end outside of sliding plate still fixedly connected with rack, and the rack is connected with linkage gear B meshing, linkage gear B clamps on vertical universal driving shaft, and vertical universal driving shaft rotates and inlays on middle group fagging, vertical universal driving shaft still with horizontal drive shaft between through bevel gear group transmission connection, and horizontal drive shaft penetrates on the fagging from the outside lower extreme of cultivateing the box.

Furthermore, when one end of the sliding plate is attached to one end of the inner side of the clamping frame, the clamping groove on the outermost side of the other end of the sliding plate is just positioned right below the lens barrel.

Furthermore, be equipped with one on the linkage gear B and lack the tooth section, and the number of teeth of a card on the linkage gear B is the same on the rack section between two sets of adjacent draw-in grooves of the number of teeth of a card.

Furthermore, the whole incubator body is made of transparent sealing materials, and a sealing box door is further installed on the front side of the incubator body.

The invention at least comprises the following beneficial effects:

according to the invention, by arranging the objective lens replacing mechanism, the outer end hand wheel of the vertical driving shaft can be operated to drive the vertical driving shaft to rotate for a circle, the chuck teeth of 1/4 circles on the driving gear are meshed with the linkage gear A to drive the linkage gear A to synchronously rotate for 1/4 circles, and the square rod is also synchronously rotated for 1/4 circles under the action of the rotary cylinder, so that the other group of objective lenses inserted on the cross rotary plate are rotated to the bottom end of the lens barrel.

The invention also sets a fine adjustment mechanism, drives the screw thread adjusting rod to rotate by rotating the hand wheel at the outer end of the screw thread adjusting rod, drives another set of screw thread adjusting rod to rotate synchronously by the synchronous belt, and drives the adjusting ring plate and the cross rotating plate to move upwards or downwards by utilizing the screw thread engagement of the screw thread adjusting rod and the screw thread cylinder on the outer connecting plate, and drives the lens barrel and the objective lens to adjust upwards or downwards synchronously, thereby adjusting the distance between the objective lens and the ocular lens body, and realizing the fine adjustment function during the detection of the microorganisms.

According to the invention, by arranging the culture dish moving mechanism, after four groups of culture dishes are respectively placed in the clamping grooves in the sliding plate, the transverse driving shaft can be driven to rotate by operating the hand wheel at the outer end of the transverse driving shaft, the vertical linkage shaft is driven to synchronously rotate by the bevel gear group, and when the linkage gear B rotates for a circle, the culture dishes in the clamping grooves are driven to just move to the bottom of the objective lens by meshing the clamping teeth and the racks on the linkage gear B, so that the microorganisms in the culture dishes in the clamping grooves can be sequentially detected, the whole process of replacing the objective lens, fine adjustment and detecting the culture dishes can be carried out in the culture box body, the culture box body does not need to be opened, the operation is more convenient, the detection efficiency is improved, and the detection result is more accurate.

Drawings

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

FIG. 2 is a schematic view showing the internal structure of the incubator of FIG. 1 according to the present invention.

Fig. 3 is a schematic view of the structure of fig. 2 according to another aspect of the present invention.

Fig. 4 is an enlarged schematic view of the invention at a in fig. 3.

Fig. 5 is a schematic front view of fig. 2 according to the present invention.

FIG. 6 is a schematic view of the culture case of FIG. 2 according to the present invention, which is cut at the rear end.

Fig. 7 is an enlarged view of the structure of fig. 6B according to the present invention.

FIG. 8 is a schematic view of the structure of the cross plate and the adjusting ring plate of the present invention.

Fig. 9 is a schematic structural view of the object lens of fig. 8 taken out of the jack according to the present invention.

Fig. 10 is a schematic structural view of the card frame and the sliding plate of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a culture box body; 101. sealing the box door; 102. an upper transverse plate; 103. a supporting plate; 104. clamping a frame; 2. a detection device; 201. an eyepiece body; 2011. a lower insertion cylinder; 202. a lens barrel; 203. an object lens; 3. an objective lens replacement mechanism; 301. a cross rotating plate; 3011. a jack; 302. a square bar; 303. a rotating drum; 3031. a baffle plate; 3032. a linkage gear A; 304. a vertical drive shaft; 3041. a drive gear; 4. a fine adjustment mechanism; 401. adjusting the ring plate; 4011. a snap ring is arranged; 402. an outer connecting plate; 4021. a threaded barrel; 403. an arc-shaped vertical plate; 4031. inserting a ring; 4032. a threaded locking bar; 404. a threaded adjusting rod; 5. a culture dish moving mechanism; 501. a sliding plate; 5011. a card slot; 5012. a rack; 502. a vertical linkage shaft; 5021. a linkage gear B; 503. a transverse drive shaft; 504. a bevel gear set.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 10:

the invention provides a microorganism detection device capable of carrying out continuous operation detection, which comprises a detection device 2, a culture dish moving mechanism 5; the detection device 2 comprises an eyepiece body 201, a lens barrel 202 and an objective lens 203, wherein the eyepiece body 201 is fixedly inserted at the top end of the incubator body 1, a lower insertion barrel 2011 is arranged at the lower end of the eyepiece body 201, the lower insertion barrel 2011 is arranged inside the incubator body 1, the upper end of the lens barrel 202 is inserted into the lower insertion barrel 2011, the objective lens 203 is provided with four groups and is respectively inserted into an insertion hole 3011 on the objective lens replacing mechanism 3, one group of objective lens 203 is arranged right below the lens barrel 202, the lens barrel 202 is also arranged on the fine adjustment mechanism 4, the objective lens replacing mechanism 3 is also arranged at the inner side of the fine adjustment mechanism 4, and the culture dish moving mechanism 5 is slidably arranged at the bottom side of the objective lens 203.

Wherein, the fine adjustment mechanism 4 comprises an adjusting ring plate 401, an upper snap ring 4011, an external connection plate 402, a thread cylinder 4021 and a thread adjusting rod 404, the cross section of the upper snap ring 4011 is of an inverted L-shaped structure and is connected with the upper side of the adjusting ring plate 401, the external connection plate 402 is provided with two groups and is symmetrically connected with the outer peripheral end of the adjusting ring plate 401, the thread cylinders 4021 are respectively and fixedly inserted on the external connection plate 402, the thread adjusting rod 404 is respectively inserted on the thread cylinder 4021 through thread engagement, the upper ends of the thread adjusting rods 404 are connected through a synchronous belt transmission, the outer ends of the thread adjusting rods 404 penetrate out of the incubator body 1 and are provided with hand wheels, wherein, the fine adjustment mechanism 4 further comprises an arc vertical plate 403, an insert ring 4031 and a thread locking rod 4032, the arc vertical plate 403 is connected with one end of the upper side of the adjusting ring plate 401 and is arranged outside the upper snap ring 4011, and the insert ring, the outer arc end of the arc-shaped vertical plate 403 is further connected with a thread locking rod 4032 through a thread, the lens cone 202 is inserted into the insert ring 4031 and fixed through the thread locking rod 4032, as shown in fig. 3 to 6, the hand wheel at the outer end of the thread adjusting rod 404 is rotated to drive the thread adjusting rod 404 to rotate, and the synchronous rotation of the other group of thread adjusting rod 404 is driven through a synchronous belt, the thread adjusting rod 404 is engaged with the thread barrel 4021 on the external connecting plate 402 to enable the adjusting ring plate 401 and the cross rotating plate 301 to move downwards and drive the lens cone 202 and the object lens 203 to be synchronously adjusted downwards, the distance between the object lens 203 and the eyepiece body 201 is adjusted, and the fine adjustment function during the microbial detection is realized.

The objective lens replacing mechanism 3 comprises a cross rotating plate 301, an inserting hole 3011, a square rod 302, a rotating drum 303, a baffle plate 3031 and a linkage gear A3032, wherein the outer end of the cross rotating plate 301 is clamped between an adjusting ring plate 401 and an upper clamping ring 4011, the four ends of the cross rotating plate 301 are respectively provided with the inserting hole 3011, the square rod 302 is fixedly connected to the middle of the top side of the cross rotating plate 301, the square rod 302 upwards slides and penetrates into the square hole of the rotating drum 303, the rotating drum 302 is rotatably embedded in an upper transverse plate 102 through the baffle plates 3031 on the upper side and the lower side of the rotating drum 302, the lower end of the rotating drum 302 is also fixedly connected with the linkage gear A3032, the objective lens replacing mechanism 3 further comprises a vertical driving shaft 304 and a driving gear 3041, the vertical driving shaft 304 penetrates into the incubator 1 from the top end of the incubator 1 and penetrates through the upper transverse plate 102 to be connected with the driving gear 3041, and the driving gear 3041 can be engaged with the linkage gear a3032 during the rotation process, and a hand wheel is further installed at the outer end of the vertical driving shaft 304, as shown in fig. 4, by operating the hand wheel at the outer end of the vertical driving shaft 304 to drive the vertical driving shaft 304 to rotate for one circle, and engaging with the linkage gear a3032 by using the latch of 1/4 circles on the driving gear 3041, the linkage gear a3032 is driven to synchronously rotate for 1/4 circles, and the square rod 302 is also synchronously rotated for 1/4 circles under the action of the rotary cylinder 303, so that the objective lens 203 inserted on the cross rotary plate 301 is rotated to the bottom end of the lens barrel 202.

Wherein, the culture dish moving mechanism 5 comprises a sliding plate 501, a clamping groove 5011, a rack 5012, a vertical linkage shaft 502, a linkage gear B5021, a transverse driving shaft 503 and a bevel gear group 504, the sliding plate 501 is slidably mounted in the clamping frame 104, the clamping frame 104 is fixedly connected with the top end of the supporting plate 103, the sliding plate 501 is provided with four groups of clamping grooves 5011, the bottom end of the sliding plate 501 is provided with a through hole, the outer side of the rear end of the sliding plate 501 is also fixedly connected with the rack 5012, the rack 5012 is engaged with the linkage gear B5021, the linkage gear B5021 is clamped on the vertical linkage shaft 502, the vertical linkage shaft 502 is rotatably embedded on the middle supporting plate 103, the vertical linkage shaft 502 is also in transmission connection with the transverse driving shaft 503 through a bevel gear group 504, the transverse driving shaft penetrates from the lower end of the outer side of the culture box body 1 to the supporting plate 103, the outer end of the transverse driving shaft 503 is also provided with, the clamping groove 5011 on the outermost side on the other end of the sliding plate 501 is just positioned right below the lens barrel 202, wherein a tooth-lacking section is arranged on the linkage gear B5021, the number of clamping teeth on the rack 5012 section between two adjacent groups of clamping grooves 5011 on the linkage gear B5021 is the same, as shown in fig. 7, a hand wheel at the outer end of the transverse driving shaft 503 is operated to drive the transverse driving shaft 503 to rotate, the bevel gear set 504 drives the vertical linkage shaft 502 to synchronously rotate, and when the linkage gear B5021 rotates for one circle, the clamping teeth on the linkage gear B5021 are meshed with the rack 5012 to drive the culture dishes in the next group of clamping grooves 5011 to just move to the bottom of the objective lens 203, so that the microorganisms in the culture dishes in the clamping grooves 5011 can be sequentially detected.

Wherein, the whole transparent sealing material that adopts of incubator 1 makes, and incubator 1's front side still installs sealed chamber door 101, and incubator 1 adopts transparent material to do benefit to the daylighting of detecting time measuring more, and is more clear when making the detection.

The specific use mode and function of the embodiment are as follows:

in the invention, four groups of culture dishes to be detected are sequentially placed into a clamping groove 5011 on a sliding plate 501, firstly, the outer end hand wheel of a vertical driving shaft 304 is operated to drive the vertical driving shaft 304 to rotate for one circle, the clamping teeth of 1/4 circles on a driving gear 3041 are meshed with a linkage gear A3032 to drive the linkage gear A3032 to synchronously rotate for 1/4 circles, a square rod 302 is also synchronously rotated for 1/4 circles under the action of a rotating cylinder 303, an object lens 203 inserted on a cross rotating plate 301 is rotated to the bottom end of a lens barrel 202, secondly, the hand wheel at the outer end of a thread adjusting rod 404 is rotated to drive the thread adjusting rod 404 to rotate, and the other group of thread adjusting rod 404 is driven to synchronously rotate by a synchronous belt, the thread adjusting rod 404 is meshed with the thread of a thread cylinder 4021 on an external connecting plate 402 to enable an adjusting ring plate 401 and the cross rotating plate 301 to move downwards and drive the lens barrel 202, the distance between the object lens 203 and the ocular lens body 201 is adjusted to realize the fine adjustment function during the detection of the microorganism, the object lens 203 can be replaced by operating the hand wheel at the outer end of the vertical driving shaft 304 again, so that the optimal object lens 203 can be used, then the hand wheel at the outer end of the transverse driving shaft 503 is operated to drive the transverse driving shaft 503 to rotate, the bevel gear set 504 drives the vertical linkage shaft 502 to synchronously rotate, and when the linkage gear B5021 rotates for a circle, the culture dish in the clamping groove 5011 is driven to just move to the bottom of the object lens 203 by the meshing of the clamping teeth on the linkage gear B5021 and the rack 5012, so that the microorganism in the culture dish in the clamping groove 5011 can be sequentially detected, the whole replacement of the object lens 203, fine adjustment and detection of the culture dish can be carried out in the culture box 1, the culture box 1 does not need to be opened, the operation is more convenient, the detection efficiency is improved, the detection result is more accurate.

The invention is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A microorganism detection apparatus capable of performing continuous operation detection, comprising: comprises a detection device (2) and a culture dish moving mechanism (5); detection device (2) is including the eyepiece body (201), lens cone (202) and objective lens (203) triplex, the fixed top of interlude at culture box (1) of eyepiece body (201), and the lower extreme of eyepiece body (201) is equipped with down and inserts a section of thick bamboo (2011), and insert a section of thick bamboo (2011) down and establish inside culture box (1), the upper end cartridge of lens cone (202) is inserting under in a section of thick bamboo (2011), objective lens (203) are equipped with four groups and insert respectively in jack (3011) on objective change mechanism (3), and wherein a set of objective lens (203) are established under lens cone (202), lens cone (202) still install on fine adjustment mechanism (4), and objective change mechanism (3) also establish the inboard at fine adjustment mechanism (4), culture dish moving mechanism (5) slidable mounting is in the bottom side of objective lens (203).

2. The apparatus for detecting microorganisms capable of continuous operation according to claim 1, wherein: fine-tuning (4) including adjusting crown plate (401), go up snap ring (4011), external board (402), a screw thread section of thick bamboo (4021), screw thread adjusting rod (404), the cross section of going up snap ring (4011) is for falling L type structure and connect in the upside of adjusting crown plate (401), and external board (402) are equipped with two sets ofly and symmetric connection at the peripheral end of adjusting crown plate (401), it has a screw thread section of thick bamboo (4021) to still fix respectively to alternate on external board (402), and screw thread adjusting rod (404) are respectively through the meshing of screw thread and alternate on a screw thread section of thick bamboo (4021), still connect through synchronous belt drive between the upper end of screw thread adjusting rod (404).

3. The apparatus for detecting microorganisms capable of continuous operation according to claim 1, wherein: fine-tuning (4) are still including arc riser (403), cartridge ring (4031), screw locking lever (4032), upside one end at regulation crown plate (401) is connected in arc riser (403) and establish the outside at last snap ring (4011), and cartridge ring (4031) establishes at the upper end of arc riser (403) inboard, the outer arc end of arc riser (403) still has screw locking lever (4032) through threaded connection, and lens cone (202) cartridge is fixed in cartridge ring (4031) and through screw locking lever (4032).

4. The apparatus for detecting microorganisms capable of continuous operation according to claim 1, wherein: the objective lens replacement mechanism (3) comprises a cross rotating plate (301), jacks (3011), a square rod (302), a rotating cylinder (303), a baffle (3031) and a linkage gear A (3032), wherein the outer end of the cross rotating plate (301) is clamped between an adjusting ring plate (401) and an upper clamping ring (4011), the jacks (3011) are respectively arranged at four ends of the cross rotating plate (301), the square rod (302) is fixedly connected to the middle of the top side of the cross rotating plate (301), the square rod (302) upwards slides to penetrate into a square hole of the rotating cylinder (303), the rotating cylinder (302) rotates through the baffles (3031) at the upper side and the lower side of the rotating cylinder (302) to be embedded in the upper transverse plate (102), and the linkage gear A (3032) is fixedly connected to the lower end of the rotating cylinder (302).

5. The apparatus for detecting microorganisms capable of continuous operation according to claim 1, wherein: the objective lens replacing mechanism (3) further comprises a vertical driving shaft (304) and a driving gear (3041), the vertical driving shaft (304) penetrates into the incubator body (1) from the top end of the incubator body (1) and penetrates through the upper transverse plate (102) to be connected with the driving gear (3041), the number of clamping teeth on the driving gear (3041) is 1/4 of the number of clamping teeth on the driving gear (3041), and the driving gear (3041) can be meshed with the linkage gear A (3032) in the rotating process.

6. The apparatus for detecting microorganisms capable of continuous operation according to claim 1, wherein: the culture dish moving mechanism (5) comprises a sliding plate (501), clamping grooves (5011), racks (5012), a vertical linkage shaft (502), a linkage gear B (5021), a transverse driving shaft (503) and a bevel gear group (504), wherein the sliding plate (501) is slidably mounted in a clamping frame (104), the clamping frame (104) is fixedly connected to the top end of a supporting plate (103), four groups of clamping grooves (5011) are formed in the sliding plate (501), through holes are formed in the bottom end of the sliding plate (501), the rack (5012) is fixedly connected to the outer side of the rear end of the sliding plate (501), the rack (5012) is meshed with the linkage gear B (5021), the linkage gear B (5021) is clamped on the vertical linkage shaft (502), the vertical linkage shaft (502) is rotatably embedded in the middle supporting plate (103), and the vertical linkage shaft (502) is in transmission connection with the transverse driving shaft (503) through the bevel gear group (504), and a transverse driving shaft (503) penetrates from the lower end of the outer side of the culture box body (1) to the supporting plate (103).

7. The apparatus for detecting microorganisms capable of continuous operation according to claim 6, wherein: when one end of the sliding plate (501) is attached to one end of the inner side of the clamping frame (104), the clamping groove (5011) on the outermost side of the other end of the sliding plate (501) is just positioned right below the lens barrel (202).

8. The apparatus for detecting microorganisms capable of continuous operation according to claim 6, wherein: the linkage gear B (5021) is provided with a tooth-lacking section, and the number of clamping teeth on the rack (5012) section between two groups of adjacent clamping grooves (5011) is the same as that of the clamping teeth on the linkage gear B (5021).

9. The apparatus for detecting microorganisms capable of continuous operation according to claim 1, wherein: the whole incubator body (1) is made of transparent sealing materials, and a sealing box door (101) is further installed on the front side of the incubator body (1).