Microorganism detection device and method

Abstract

The invention relates to the technical field of microbiological detection, and discloses a microbiological detection device and method.The microbiological detection device comprises a machine body, universal wheels are arranged at the bottom end of the machine body, a top plate is fixedly installed at the top end of the machine body, a box door is installed at the rear end of the machine body in a hinged mode, and a controller is fixedly installed in the front end of the machine body; a ventilation fan is fixedly mounted in the side wall of the machine body, a sampling vessel is clamped to the top of the top plate, and a detector is arranged at the top end of the top plate. According to the microbiological detection device and method, in order to achieve a better culture effect and more convenient sampling, the detection assembly, a matching frame, a rectangular plate, a servo motor, a rotating shaft, a disc, a servo sliding rail, a circular ring block, a sliding block, a vertical plate and a culture cylinder are arranged, so that the culture effect is better, a fixing frame, a multi-stage hydraulic rod and a sampling head are matched, and meanwhile sampling is more convenient; a sampling vessel and a detector are matched to complete the detection of a sample.

Description

Technical Field

[0001] The present invention relates to the technical field of microorganism detection, and in particular to a microorganism detection device and method. Background Art

[0002] The development of microbial detection devices and methods is constantly improving along with the needs of many fields such as food safety, medical care, and environmental protection. Traditionally, microbial detection mainly uses the culture method. Although this method is accurate, it is time-consuming and cannot obtain results quickly, making it difficult to meet the needs of modern rapid testing.

[0003] Although significant progress has been made in microbial detection devices and methods, there are still some shortcomings. Various contaminations may exist in the collection process of microbial and food mixture samples, such as microorganisms in the air, residual microorganisms in sampling tools, etc. These contaminations may interfere with the test results.

[0004] At present, the device cannot effectively cultivate the mixture of microorganisms and the objects to be detected, the detection process is not convenient enough, the device body cannot be kept clean, and the temperature and humidity parameters inside the device cannot be measured and adjusted, which affects the detection results. In view of this, we propose a microbial detection device and method. Summary of the invention

[0005] The object of the present invention is to provide a microorganism detection device and method to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A microorganism detection device comprises a body, a universal wheel is arranged at the bottom of the body, a top plate is fixedly installed at the top of the body, a door is hingedly installed at the rear end of the body, a controller is fixedly installed inside the front end of the body, a ventilation fan is fixedly installed inside the side wall of the body, a sampling dish is clamped on the top of the top plate, a detector is arranged on the top of the top plate, and a detection component is arranged on the body, and the detection component comprises:

[0008] A frame is fixedly installed inside the machine body, a rectangular plate is fixedly installed on the inner side of the top of the frame, a servo motor is fixedly installed on the top center of the rectangular plate, a rotating shaft is fixedly installed on the output end of the bottom end of the servo motor, the rotating shaft passes through the rectangular plate, and the outer side of the bottom end of the rotating shaft is fixedly installed inside the center of the disc;

[0009] A servo slide rail, one end of the servo slide rail is fixedly mounted on the bottom of the disc, a circular ring block is fixedly mounted on the top of the other end of the servo slide rail, a slider is slidably mounted on the outside of the servo slide rail, a vertical plate is fixedly mounted on the outside of the slider, a culture cylinder is clamped at the bottom of the vertical plate, and a mixture of microorganisms and objects to be detected is contained in the culture cylinder;

[0010] A fixing frame is fixedly installed on the top of the top plate, the detector is clamped inside the fixing frame, a multi-stage hydraulic rod is fixedly installed inside the fixing frame, and a sampling head is clamped at the bottom end of the multi-stage hydraulic rod.

[0011] Preferably, the universal wheels are provided in multiple groups, and the multiple groups of universal wheels are respectively arranged at the bottom of the body, so as to better move the device body.

[0012] Preferably, the centers of the circular cross sections of the rotating shaft, the circular disk and the circular ring block are coaxial.

[0013] Preferably, the servo rails, sliders, vertical plates and culture cylinders are provided in multiple groups, and the multiple groups of servo rails, sliders, vertical plates and culture cylinders are arranged in a circular array with equal spacing around the center of the circular cross section of the disc, so that a mixture of multiple microorganisms and objects to be detected can be cultured simultaneously.

[0014] Preferably, an opening is provided at the top of the culture tube, and the movement trajectory of the opening is located directly below the sampling head, thereby facilitating sampling.

[0015] Preferably, a cleaning assembly is provided inside the body, and the cleaning assembly includes a base plate, a base plate is fixedly installed on the inner side of the bottom end of the frame, a fixed block is fixedly installed on the bottom of the base plate, two groups of fixed blocks are provided, an asynchronous motor is fixedly installed on the outer side of the fixed block, a screw rod is rotatably installed between the two groups of fixed blocks, the output end of the asynchronous motor is fixedly connected to the outer side of the screw rod, a threaded block is threadedly installed on the outer side of the screw rod, a collecting box is fixedly installed on the top of the threaded block, a through rectangular groove is opened on the base plate, and the threaded block slides and fits inside the rectangular groove.

[0016] Preferably, an arc-shaped cover is fixedly installed at the center of the collection box, and an annular groove is opened on the collection box. There are multiple groups of annular grooves, and the multiple groups of annular grooves are coaxial, and the inner diameter decreases step by step from the outside to the inside. A sliding box is clamped inside the collection box, and a notch is opened in the annular groove at the sliding box. A fixed slide rail is fixedly installed on the top of the base plate, and a moving block is slidably installed on the outside of the fixed slide rail, and the top of the moving block is fixedly installed on the bottom of the collection box. There are two groups of fixed slide rails and moving blocks, and the two groups of fixed slide rails and moving blocks are symmetrically arranged at both ends of the collection box with the vertical center line of the collection box as the axis of symmetry, so that the movement of the collection box is more stable.

[0017] Preferably, an auxiliary component is provided on the outside of the culture cylinder, and the auxiliary component includes a fixed sleeve, a fixed sleeve is clamped on the outside of the vertical plate, an airbag is fixedly installed on the inside of the fixed sleeve, the airbags are provided in multiple groups, and cleaning blocks are fixedly installed on the inside of the multiple groups of airbags, the cleaning blocks are located directly above the top opening of the culture cylinder, and the inner diameter of the cleaning block is matched with the outer diameter of the sampling head, so as to better clean the sampling head.

[0018] Preferably, a sensing component is provided on the machine body, and the sensing component includes a sensor. The sensor is clamped on the top of the circular ring block, and multiple groups of sensors are provided. The multiple groups of sensors are arranged in a circular array with equal spacing around the center of the circular cross-section of the circular ring block as the array center. A regulator is fixedly installed on the top of the top plate, and an air outlet pipe is fixedly installed on the bottom of the regulator, and the air outlet pipe passes through the top plate.

[0019] A detection method of a microorganism detection device comprises the following steps:

[0020] S1. The machine body and universal wheels are used to facilitate the movement of the device body, and the top plate, door, controller and ventilation fan are used to facilitate the ventilation of the device body;

[0021] S2, cooperate with the frame, rectangular plate, servo motor, rotating shaft, disc, servo slide rail, circular ring block, slider, vertical plate and culture cylinder in the detection component to achieve better culture effect, and cooperate with the fixed frame, multi-stage hydraulic rod and sampling head to make sampling more convenient;

[0022] S3, with the bottom plate, fixed block, asynchronous motor, lead screw, threaded block, collecting box, rectangular groove, arc cover, circular groove, sliding box, fixed slide rail and moving block in the cleaning assembly, can conveniently collect and process the mixture overflowed during the movement of the culture cylinder, so as to keep the device body clean;

[0023] S4, cooperate with the fixing sleeve, air bag and cleaning block in the auxiliary components to facilitate cleaning of the outside of the sampling head;

[0024] S5. With the sensors, regulators and air outlet pipes in the sensing components, the temperature and humidity data inside the device can be obtained more accurately, so as to adjust the parameters and achieve better culture effects;

[0025] S6. Place the sampling dish under the sampling head, collect the sample, and manually remove the detector to complete the sample detection.

[0026] Compared with the prior art, the present invention provides a microbial detection device and method, which has the following features:

[0027] Beneficial effects:

[0028] 1. In order to achieve better culture effect and more convenient sampling, the microbial detection device and method are provided with a detection component, a frame, a rectangular plate, a servo motor, a rotating shaft, a disc, a servo slide rail, a circular ring block, a slider, a vertical plate and a culture cylinder to achieve better culture effect, a fixed frame, a multi-stage hydraulic rod and a sampling head to facilitate sampling, and a sampling dish and a detector to complete the detection of the sample.

[0029] 2. In order to keep the main body of the microorganism detection device and method clean, a cleaning component is provided, which cooperates with a bottom plate, a fixed block, an asynchronous motor, a screw rod, a threaded block, a collection box, a rectangular groove, an arc cover, a circular groove, a sliding box, a fixed slide rail and a moving block, so that the mixture overflowing during the movement of the culture cylinder can be easily collected and processed, thereby keeping the main body of the device clean.

[0030] 3. In order to make the device body more practical, the microbial detection device and method are provided with auxiliary components. When the sampling head moves upward after sampling, the airbag will squeeze the inside of the fixed sleeve to make the inside of the cleaning block fit tightly with the outside of the sampling head, so that the outside of the sampling head can be cleaned conveniently, making the device body more practical.

[0031] 4. In order to achieve a better culture effect of a mixture of microorganisms and objects to be detected, the microorganism detection device and method are provided with a sensing component. When the circular ring block rotates, the sensor is driven to rotate synchronously, so that the measurement result is more accurate compared with the sensor in a static state. In combination with the regulator and the air outlet pipe, the temperature and humidity data inside the device can be obtained more accurately, so that parameters can be adjusted, thereby achieving a better culture effect of the mixture of microorganisms and objects to be detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic top view of the overall structure of the present invention;

[0033] Figure 2 It is a schematic diagram of the overall structure of the present invention from another perspective;

[0034] Figure 3 It is a bottom view schematic diagram of the overall structure of the present invention;

[0035] Figure 4 It is a bottom view schematic diagram of a part of the structure of the present invention;

[0036] Figure 5 For the present invention Figure 4 A schematic diagram of the enlarged structure of the middle A area;

[0037] Figure 6 For the present invention Figure 4 Schematic diagram of the enlarged structure of the middle B area;

[0038] Figure 7 It is a schematic diagram of a partial exploded top view of the structure of the present invention;

[0039] Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of the middle C area;

[0040] Fig. 9 This is a schematic diagram of the connection of some structures of the cleaning component of the present invention;

[0041] Fig.10 The figure is a flow chart of the method of the present invention.

[0042] In the figure: 1, machine body; 2, universal wheel; 3, top plate; 4, box door; 5, controller; 6, ventilation fan; 71, sampling dish; 72, detector; 8, detection component; 81, frame; 82, rectangular plate; 83, servo motor; 84, rotating shaft; 85, disc; 86, servo slide rail; 87, circular ring block; 88, slider; 89, vertical plate; 810, culture cylinder; 811, fixed frame; 812, multi-stage hydraulic rod; 813, sampling head; 9, Cleaning assembly; 91, bottom plate; 92, fixed block; 93, asynchronous motor; 94, lead screw; 95, threaded block; 96, collecting box; 97, rectangular groove; 98, arc cover; 99, circular groove; 910, sliding box; 911, fixed slide rail; 912, moving block; 10, auxiliary assembly; 101, fixed sleeve; 102, air bag; 103, cleaning block; 11, induction assembly; 111, sensor; 112, regulator; 113, exhaust pipe. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only embodiments of a part of the present application, rather than all of the embodiments.

[0044] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work should fall within the scope of protection of this application.

[0045] Moreover, the term "on" may also be used to indicate a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0046] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0047] It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0048] See also Figure 1 - Fig.10 , the present invention provides a technical solution:

[0049] A microorganism detection device includes a body 1, and a universal wheel 2 is arranged at the bottom of the body 1. Furthermore, a plurality of universal wheels 2 are provided, and the plurality of universal wheels 2 are respectively arranged at the bottom of the body 1, so as to better move the device body. A top plate 3 is fixedly installed on the top of the body 1, a box door 4 is hingedly installed on the rear end of the body 1, a controller 5 is fixedly installed inside the front end of the body 1, a ventilation fan 6 is fixedly installed inside the side wall of the body 1, and the ventilation fan 6 is used to discharge the waste gas generated during the cultivation process. The ventilation fan 6 is electrically connected to the controller 5, a sampling dish 71 is clamped on the top of the top plate 3, and a detector 72 is arranged on the top of the top plate 3.

[0050] In one embodiment of the present invention, a detection component 8 is provided on the body 1, and the detection component 8 includes a frame 81, the frame 81 is fixedly installed inside the body 1, a rectangular plate 82 is fixedly installed on the inner side of the top of the frame 81, a servo motor 83 is fixedly installed on the top center of the rectangular plate 82, the servo motor 83 is electrically connected to the controller 5, a rotating shaft 84 is fixedly installed on the output end of the bottom end of the servo motor 83, the rotating shaft 84 passes through the rectangular plate 82, the outer side of the bottom end of the rotating shaft 84 is fixedly installed inside the center of the disk 85, one end of a servo slide rail 86 is fixedly installed on the bottom of the disk 85, the servo slide rail 86 is electrically connected to the controller 5, and a circular ring block 87 is fixedly installed on the top of the other end of the servo slide rail 86. Furthermore, the centers of the circular cross-sections of the rotating shaft 84, the disk 85 and the circular ring block 87 are coaxial, a slider 88 is slidably installed on the outer side of the servo slide rail 86, a vertical plate 89 is fixedly installed on the outer side of the slider 88, a culture tube 810 is clamped on the bottom of the vertical plate 89, and the culture tube 810 A mixture of microorganisms and objects to be detected is filled inside. Furthermore, eight groups of servo slides 86, sliders 88, vertical plates 89 and culture tubes 810 are provided, and the eight groups of servo slides 86, sliders 88, vertical plates 89 and culture tubes 810 are all arranged in a circular array with equal spacing with the center of the circular cross-section of the disk 85 as the center of the array, so that a mixture of multiple microorganisms and objects to be detected can be cultured at the same time. A fixing frame 811 is fixedly installed on the top of the top plate 3, and the detector 72 is clamped inside the fixing frame 811. A multi-stage hydraulic rod 812 is fixedly installed inside the fixing frame 811, and the multi-stage hydraulic rod 812 is electrically connected to the controller 5. A sampling head 813 is clamped at the bottom end of the multi-stage hydraulic rod 812. Further, an opening is opened at the top of the culture tube 810, and the movement trajectory of the opening will be located directly below the sampling head 813, so as to facilitate sampling. The sampling head 813 is an electric sampling device that can absorb and release. Since it is an existing device in the prior art, it will not be described here.

[0051] In one embodiment of the present invention, a cleaning assembly 9 is provided inside the machine body 1, and the cleaning assembly 9 includes a bottom plate 91, a bottom plate 91 is fixedly installed inside the bottom end of the frame 81, a fixed block 92 is fixedly installed at the bottom of the bottom plate 91, and two groups of fixed blocks 92 are provided, and an asynchronous motor 93 is fixedly installed on the outside of the fixed block 92, and the asynchronous motor 93 is electrically connected to the controller 5, and a screw rod 94 is rotatably installed between the two groups of fixed blocks 92, and the output end of the asynchronous motor 93 is fixedly connected to the outside of the screw rod 94, and a threaded block 95 is threadedly installed on the outside of the screw rod 94, and a collection box 96 is fixedly installed on the top of the threaded block 95, and a rectangular groove 97 is provided on the bottom plate 91, and the threaded block 95 slides and fits inside the rectangular groove 97. Furthermore, the center of the collection box 96 is fixed An arc cover 98 is fixedly installed, and an annular groove 99 is opened on the collection box 96. There are multiple groups of annular grooves 99, and the multiple groups of annular grooves 99 are coaxial, and the inner diameter decreases step by step from the outside to the inside. A sliding box 910 is clamped inside the collection box 96, and a notch is opened in the annular groove 99 at the sliding box 910. A fixed slide rail 911 is fixedly installed on the top of the bottom plate 91, and a moving block 912 is slidably installed on the outer side of the fixed slide rail 911. The top of the moving block 912 is fixedly installed on the bottom of the collection box 96. There are two groups of fixed slide rails 911 and moving blocks 912, and the two groups of fixed slide rails 911 and moving blocks 912 are symmetrically arranged at both ends of the collection box 96 with the vertical center line of the collection box 96 as the symmetry axis, so that the movement of the collection box 96 is more stable.

[0052] In one embodiment of the present invention, an auxiliary component 10 is provided on the outside of the culture cylinder 810, and the auxiliary component 10 includes a fixed sleeve 101. The fixed sleeve 101 is clamped on the outside of the vertical plate 89, and an airbag 102 is fixedly installed on the inside of the fixed sleeve 101. The airbags 102 are provided in multiple groups, and cleaning blocks 103 are fixedly installed on the inside of the multiple groups of airbags 102. The cleaning blocks 103 are located directly above the top opening of the culture cylinder 810, and the inner diameter of the cleaning block 103 is adapted to the outer diameter of the sampling head 813, so as to better clean the sampling head 813.

[0053] In one embodiment of the present invention, a sensing component 11 is provided on the body 1, and the sensing component 11 includes a sensor 111. The sensor 111 is clamped on the top of the ring block 87, and the sensor 111 measures temperature and humidity parameters. There are five groups of sensors 111, and the five groups of sensors 111 are arranged in a circular array with equal spacing around the center of the circular cross section of the ring block 87 as the array center. A regulator 112 is fixedly installed on the top of the top plate 3, and an air outlet pipe 113 is fixedly installed on the bottom end of the regulator 112. The air outlet pipe 113 runs through the top plate 3. The sensor 111 and the regulator 112 are both electrically connected to the controller 5, and the regulator 112 can adjust the temperature and humidity by inputting airflows with different temperatures and humidities.

[0054] A detection method of a microorganism detection device comprises the following steps:

[0055] S1, cooperate with the body 1 and the universal wheel 2, so as to facilitate the movement of the device body, and also make the device body more stable, cooperate with the top plate 3, the box door 4, the controller 5 and the ventilation fan 6, so as to facilitate the ventilation of the device body, so as to achieve better culture effect;

[0056] S2, cooperate with the frame 81 and the rectangular plate 82, when the servo motor 83 is started, the rotating shaft 84 rotates, so that the disc 85 rotates, so that the servo slide rail 86 drives the ring block 87 to rotate synchronously, and at the same time cooperate with the servo slide rail 86 so that the slider 88 can drive the vertical plate 89 and the culture tube 810 to move horizontally, so that compared with the static culture tube 810, the moving culture tube 810 makes the microorganisms and the objects to be detected mix more evenly, so that the culture effect is better, cooperate with the fixed frame 811 and the multi-stage hydraulic rod 812, so that the sampling head 813 can move up and down, when sampling is needed, the opening of the culture tube 810 is moved to the bottom of the sampling head 813, and the multi-stage hydraulic rod 812 is started, so that the sampling head 813 moves to the inside of the culture tube 810 for sampling, and then rises to the top of the top plate 3, so that sampling is more convenient;

[0057] S3, cooperate with the bottom plate 91 and the fixed block 92, when the asynchronous motor 93 is started, the screw rod 94 is rotated, so that the threaded block 95 moves inside the rectangular groove 97, so that the collection box 96 can move forward and backward, cooperate with the arc cover 98 to make the overflow fall into the annular groove 99 better, and finally enter the sliding box 910, cooperate with the fixed slide rail 911 and the moving block 912, so that the mixture overflowed during the movement of the culture cylinder 810 can be conveniently collected and processed, so as to keep the device body clean;

[0058] S4. When the sampling head 813 moves upward after sampling, it will pass through the inner side of the fixing sleeve 101 and squeezed by the airbag 102, so that the inner side of the cleaning block 103 and the outer side of the sampling head 813 are closely attached, so that the outer side of the sampling head 813 can be cleaned conveniently, making the device body more practical;

[0059] S5. When the annular block 87 rotates, the sensor 111 is driven to rotate synchronously, so that the measurement result will be more accurate compared with the sensor 111 in a static state, so that the temperature and humidity data inside the device can be obtained more accurately in cooperation with the regulator 112 and the air outlet pipe 113, so as to adjust the parameters, thereby achieving a better culture effect of the mixture of microorganisms and objects to be detected;

[0060] S6. First, place the sampling dish 71 under the sampling head 813, collect the sample released by the sampling head 813, and then manually remove the detector 72 to complete the detection of the sample in cooperation with the detector 72.

[0061] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A microorganism detection device, comprising a body (1), wherein a universal wheel (2) is arranged at the bottom of the body (1), a top plate (3) is fixedly mounted on the top of the body (1), and a door (4) is hingedly mounted on the rear end of the body (1), characterized in that: A controller (5) is fixedly installed inside the front end of the machine body (1), a ventilation fan (6) is fixedly installed inside the side wall of the machine body (1), a sampling dish (71) is clamped on the top of the top plate (3), a detector (72) is arranged on the top of the top plate (3), and a detection component (8) is arranged on the machine body (1), and the detection component (8) comprises: A frame (81), wherein the frame (81) is fixedly installed inside the machine body (1), a rectangular plate (82) is fixedly installed on the inner side of the top of the frame (81), a servo motor (83) is fixedly installed at the center of the top of the rectangular plate (82), a rotating shaft (84) is fixedly installed at the output end of the bottom of the servo motor (83), the rotating shaft (84) passes through the rectangular plate (82), and the outer side of the bottom end of the rotating shaft (84) is fixedly installed inside the center of the disc (85); A servo slide rail (86), one end of the servo slide rail (86) is fixedly mounted on the bottom of the circular disc (85), a circular ring block (87) is fixedly mounted on the top of the other end of the servo slide rail (86), a slider (88) is slidably mounted on the outside of the servo slide rail (86), a vertical plate (89) is fixedly mounted on the outside of the slider (88), a culture cylinder (810) is clamped on the bottom of the vertical plate (89), and a mixture of microorganisms and objects to be detected is contained in the culture cylinder (810); A fixing frame (811) is fixedly installed on the top of the top plate (3), the detector (72) is clamped inside the fixing frame (811), a multi-stage hydraulic rod (812) is fixedly installed inside the fixing frame (811), and a sampling head (813) is clamped at the bottom end of the multi-stage hydraulic rod (812).

2. A microorganism detection device according to claim 1, characterized in that: The universal wheels (2) are provided in multiple groups, and the multiple groups of universal wheels (2) are respectively arranged at the bottom of the machine body (1).

3. A microorganism detection device according to claim 2, characterized in that: The centers of the circular cross sections of the rotating shaft (84), the circular disk (85) and the circular ring block (87) are coaxial.

4. A microorganism detection device according to claim 3, characterized in that: The servo rails (86), sliders (88), vertical plates (89) and culture cylinders (810) are provided in multiple groups, and the multiple groups of servo rails (86), sliders (88), vertical plates (89) and culture cylinders (810) are arranged in a circular array with equal spacing around the center of the circular cross section of the disk (85) as the array center.

5. A microorganism detection device according to claim 4, characterized in that: The top of the culture tube (810) is provided with an opening, and the movement trajectory of the opening is located directly below the sampling head (813).

6. A microorganism detection device according to claim 5, characterized in that: A cleaning assembly (9) is arranged inside the machine body (1), and the cleaning assembly (9) comprises a bottom plate (91). The bottom plate (91) is fixedly mounted inside the bottom end of the frame (81), and a fixed block (92) is fixedly mounted at the bottom of the bottom plate (91). Two groups of the fixed blocks (92) are arranged, and an asynchronous motor (93) is fixedly mounted outside the fixed blocks (92). A screw rod (94) is rotatably mounted between the two groups of the fixed blocks (92). The output end of the asynchronous motor (93) is fixedly connected to the outside of the screw rod (94), and a threaded block (95) is threadedly mounted on the outside of the screw rod (94). A collection box (96) is fixedly mounted on the top of the threaded block (95). A through rectangular groove (97) is provided on the bottom plate (91), and the threaded block (95) is slidably fitted inside the rectangular groove (97).

7. A microorganism detection device according to claim 6, characterized in that: The center of the collecting box (96) is fixedly provided with an arc cover (98), the collecting box (96) is provided with an annular groove (99), the annular groove (99) is provided with multiple groups, and the multiple groups of the annular grooves (99) are coaxial, and the inner diameters decrease gradually from the outside to the inside, the collecting box (96) is clamped with a sliding box (910) inside, the annular groove (99) is provided with a notch at the sliding box (910), and the top of the bottom plate (91) is fixedly provided with A fixed slide rail (911), a moving block (912) is slidably mounted on the outer side of the fixed slide rail (911), the top of the moving block (912) is fixedly mounted on the bottom of the collection box (96), two groups of the fixed slide rail (911) and the moving block (912) are provided, and the two groups of the fixed slide rail (911) and the moving block (912) are symmetrically arranged at both ends of the collection box (96) with the vertical center line of the collection box (96) as the symmetry axis.

8. A microorganism detection device according to claim 7, characterized in that: An auxiliary component (10) is arranged on the outside of the culture cylinder (810), and the auxiliary component (10) includes a fixing sleeve (101). The fixing sleeve (101) is clamped on the outside of the vertical plate (89), and an air bag (102) is fixedly installed on the inside of the fixing sleeve (101). The air bags (102) are arranged in multiple groups, and cleaning blocks (103) are fixedly installed on the inside of the multiple groups of air bags (102). The cleaning blocks (103) are located directly above the top opening of the culture cylinder (810), and the inner diameter of the cleaning block (103) is adapted to the outer diameter of the sampling head (813).

9. A microorganism detection device according to claim 8, characterized in that: The body (1) is provided with a sensing component (11), the sensing component (11) comprising a sensor (111), the sensor (111) being clamped on the top of the annular block (87), the sensors (111) being provided in a plurality of groups, and the plurality of groups of sensors (111) are arranged in a circular array with equal spacing, with the center of the circular cross section of the annular block (87) as the center of the array, the top of the top plate (3) is fixedly mounted with a regulator (112), the bottom of the regulator (112) is fixedly mounted with an air outlet pipe (113), and the air outlet pipe (113) passes through the top plate (3).

10. A detection method according to the microorganism detection device of claim 9, characterized in that: The following steps are involved: S1, the machine body (1), the universal wheels (2), the top plate (3), the box door (4), the controller (5) and the ventilation fan (6) are coordinated to facilitate the movement and ventilation of the device body; S2, the frame (81), rectangular plate (82), servo motor (83), rotating shaft (84), disc (85), servo slide rail (86), circular ring block (87), slider (88), vertical plate (89), culture cylinder (810), fixed frame (811), multi-stage hydraulic rod (812) and sampling head (813) in the matching detection assembly (8) make the culture effect better and the sampling more convenient; S3, in cooperation with the cleaning assembly (9), the bottom plate (91), the fixed block (92), the asynchronous motor (93), the screw rod (94), the threaded block (95), the collecting box (96), the rectangular groove (97), the arc cover (98), the annular groove (99), the sliding box (910), the fixed slide rail (911) and the moving block (912) can conveniently collect and process the mixture overflowed during the movement of the culture cylinder (810), thereby keeping the device body clean; S4, cooperate with the fixing sleeve (101), the air bag (102) and the cleaning block (103) in the auxiliary component (10) to facilitate cleaning of the outside of the sampling head (813); S5, by cooperating with the sensor (111), the regulator (112) and the air outlet pipe (113) in the sensing component (11), the temperature and humidity data inside the device can be obtained more accurately, so as to adjust the parameters and achieve better culture effect; S6. Cooperate with the sampling dish (71) and the detector (72) to complete the detection of the sample.

Images