A microbial rapid sampler and sampling operation method

Abstract

The present invention provides a microorganism rapid sampler, comprising a walking trolley, four walking motor wheels installed at the bottom of the walking trolley, a control module for controlling the walking and working of the walking trolley, a clamping device located at the top of the walking trolley, an electric control cover located at the top of the walking trolley for protecting the clamping device, and an exhaust system. The clamping device has multiple microorganism filter membrane clamping positions. The four walking motor wheels installed at the bottom of the walking trolley facilitate the walking trolley to carry the shell to run in a specified space. The setting of the exhaust system can increase the sampling speed. The control module controls the opening and closing of the solenoid valve and the setting of multiple microorganism filter membrane clamping positions, so as to facilitate the sampling and temporary storage of microorganisms in the air of different spaces. The electric control cover can prevent the microorganism filter membranes of uncollected microorganisms and collected microorganisms from being contaminated.

Description

Technical Field

[0001] The invention belongs to the technical field of microbial sampling, and in particular relates to a microbial rapid sampler and a sampling operation method. Background Art

[0002] Microorganisms include bacteria, viruses, fungi, some small protozoa, microscopic algae, etc. They are small in size and closely related to humans. They cover many types of beneficial and harmful organisms and are widely involved in many fields such as food, medicine, industry and agriculture, and environmental protection. When using traditional microbial sampling devices, the sampler is often fixed in one position, making it difficult for the sampler to sample microorganisms in the air of different spaces, resulting in single microbial sampling, large sampling errors, and inconvenient sampling. Summary of the invention

[0003] The purpose of the present invention is to provide a microbial rapid sampler to solve the problems raised in the above background technology. The present invention provides a microbial rapid sampler.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A microbial rapid sampler, comprising a walking trolley, four walking motor wheels installed at the bottom of the walking trolley, a control module for controlling the walking trolley to move and work, a clamping device located at the top of the walking trolley, an electric control cover located at the top of the walking trolley for protecting the clamping device, and an exhaust system;

[0006] The clamping device has a plurality of microbial filtration membrane clamping locations;

[0007] The air extraction system includes an air cylinder, a solenoid valve, a main air pipe, and an air extractor. Each microbial filter membrane has an air cylinder at the bottom, and the multiple air cylinders are respectively connected to the main air pipe. A solenoid valve is arranged between each air cylinder and the main air pipe, and the air extractor is connected to the main air pipe.

[0008] The control module includes an interaction module, a path planning module electrically connected to the interaction module, a signal transmission module electrically connected to the path planning module, and a laser ranging module, a signal receiving module, a signal processing module, an electric control cover control module, a solenoid valve control module, a motor control module and a fan control module; the signal processing module is connected to the signal receiving module, the laser ranging module, the electric control cover control module, the solenoid valve control module, the motor control module and the fan control module are all connected to the signal processing module, the motor control module is used to control the motor of the walking motor wheel, the fan control module is electrically connected to the wind motor, the electric control cover control module is connected to each electric control cover, and the solenoid valve control module is connected to each solenoid valve.

[0009] Furthermore, in the present invention, the plurality of microbial filtration membrane clamping locations on the clamping device are arranged in an array.

[0010] Furthermore, in the present invention, a shell is fixed on the side of the walking trolley, and an inspection door is arranged on the shell, limit baffles are welded at both ends of the inspection door, and a clamping plate is welded on the surface of the shell, and the clamping plate is used to limit the position of the limit baffle, a lifting handle is welded on the outer surface of the inspection door, a first magnet block is fixed on the inner surface of the limit baffle, and a second magnet block is fixed on the surface of the clamping plate, and the first magnet block and the second magnet block are attracted to each other under the action of magnetic force.

[0011] In the present invention, further, a guide hole for exhaust is opened at the lower part of the shell, and the guide hole is arranged at an angle of 45 degrees downward.

[0012] In the present invention, the air cylinder is a trumpet-shaped plastic part.

[0013] Further in the present invention, the electrically controlled cover includes a micro motor fixed on a clamping device through a fixing plate, a driving shaft, a driven shaft, a gear set for connecting the driving shaft and the driven shaft, a first protective cover and a second protective cover, the driving shaft and the driven shaft are both movably connected to the clamping device, the driving shaft and the driven shaft are respectively fixedly connected with the first protective cover and movably connected with the second protective cover, a first protrusion is arranged at one end of the first protective cover, and second protrusions are arranged at both ends of the second protective cover.

[0014] In the present invention, the sampling operation method of the microbial rapid sampler comprises the following steps:

[0015] First, fix the microbial filter membrane on each microbial filter membrane clamping position of the clamping device, input the collection site and the microbial filter membrane corresponding to each collection site on the surface of the interactive module, and the path planning module performs path planning after receiving the information of the interactive module, and transmits the planned path to the signal processing module through the signal transmission module and the signal receiving module. The signal processing module drives the motor of the walking motor wheel to walk according to the planned path through the motor control module. At this time, the laser ranging module detects the distance between the walking trolley and the surrounding objects in real time for the signal processing module to correct the walking trajectory. When arriving at the collection site, the signal processing module controls the wind motor to rotate through the fan control module, and at the same time controls the electric control cover above the microbial filter membrane corresponding to the collection site and the electromagnetic valve below to open through the sensor module to collect microorganisms; when the collection is completed, the control module controls the opened electric control cover and electromagnetic valve to close, and then moves to the next site for collection.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The four walking motor wheels installed at the bottom of the walking trolley make it easy for the walking trolley to move through the walking motor wheels, so that the walking trolley can run with the shell in the specified space, so as to facilitate the sampling of microorganisms in the space. At the same time, an exhaust system is provided in the walking trolley to suck the air to be sampled into the exhaust system, and the air circulation speed above the walking trolley is increased through the exhaust system, thereby increasing the sampling speed.

[0018] 2. The opening and closing of the solenoid valve and the setting of multiple microbial filter membrane clamping positions are controlled by the control module, so as to facilitate the sampling and temporary storage of microorganisms in the air of different spaces.

[0019] 3. Through the setting of the electric control cover, under the control of the control module, the microbial filter membranes that have not yet collected microorganisms and those that have already collected microorganisms are protected to prevent the microbial filter membranes that have not yet collected microorganisms and those that have already collected microorganisms from being contaminated during operation.

[0020] 4. The inspection door provided on the side surface of the shell body can facilitate maintenance and repair of the traveling trolley. The provision of the first magnet block and the second magnet block facilitates the opening and closing of the inspection door. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0024] Figure 4 It is a schematic diagram of the electric control cover of the present invention when it is closed;

[0025] Figure 5 It is a schematic diagram of the electric control cover of the present invention when it is opened;

[0026] Figure 6 It is a side schematic diagram of the electric control cover of the present invention;

[0027] Figure 7 It is a schematic diagram of the transmission relationship of the electric control cover of the present invention;

[0028] Figure 8 is a schematic diagram of a control module of the present invention;

[0029] In the figure: 1. walking trolley; 2. walking motor wheel; 3. housing; 4. clamping device; 41. fixing plate; 5. air cylinder; 6. solenoid valve; 7. main air pipe; 8. vacuum pump; 10. electric control cover; 101. micro motor; 102. driving shaft; 103. gear set; 105. driven shaft; 106. first protective cover; 107. second protective cover; 1061. first protrusion; 1071. second protrusion; 11. inspection door; 12. limit baffle; 13. clamping plate; 14. lifting handle; 15. first magnet block; 16. second magnet block; 17. guide hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example

[0032] Below in conjunction with the present invention Figure 1-8 , clearly and completely describe the technical solutions in the embodiments of the present invention.

[0033] Combination Figure 1-3 The microbial rapid sampler includes a walking trolley 1, four walking motor wheels 2 installed at the bottom of the walking trolley 1, a control module for controlling the walking and working of the walking trolley 1, a clamping device 4 located at the top of the walking trolley 1, an electric control cover 10 and an exhaust system located at the top of the walking trolley 1 for protecting the clamping device 4, the clamping device 4 has multiple microbial filter membrane clamping parts and is arranged in an array, which is convenient for sampling and temporary storage of microorganisms in the air of different spaces, a shell 3 is fixed on the side of the walking trolley 1, an inspection door 11 is arranged on the shell 3, and limit baffles 12 welded at both ends of the inspection door 11 are welded on the shell 3, and the clamping plate 13 is used to limit the limit baffle 12. The outer surface of the inspection door 11 is welded with a lifting handle 14. The inner surface of the limit baffle 12 is fixed with a first magnet block 15. The surface of the clamping plate 13 is fixed with a second magnet block 16. The first magnet block 15 and the second magnet block 16 are attracted to each other under the action of magnetic force, which is convenient for opening and closing the inspection door 11. The lower part of the shell 3 is provided with a guide hole 17 for exhaust, and the guide hole 17 is set at an angle of 45 degrees downward. When working, the air sucked by the walking trolley 1 can be discharged downward to reduce the impact on the airflow above the walking trolley 1.

[0034] The exhaust system includes an air cylinder 5, a solenoid valve 6, a main air pipe 7, and an exhaust fan 8. Each microbial filter membrane is provided with an air cylinder 5 at the bottom. The air cylinder 5 is a trumpet-shaped plastic part. The trumpet shape facilitates air to enter the walking trolley 1. Multiple air cylinders 5 are respectively connected to the main air pipe 7. A solenoid valve 6 is arranged between each air cylinder 5 and the main air pipe 7. The solenoid valve 6 controls whether the corresponding air cylinder 5 is working. The exhaust fan 8 is connected to the main air pipe 7. The air circulation speed above the walking trolley 1 is increased through the exhaust system, thereby increasing the sampling speed.

[0035] The structure of the electric control cover 10 is as follows: Figure 4-7 As shown, the electric control cover 10 includes a micro motor 101 fixed on the clamping device 4 through a fixing plate 41, a driving shaft 102, a driven shaft 105, a gear set 103 for connecting the driving shaft 102 and the driven shaft 105, a first protective cover 106 and a second protective cover 107, the driving shaft 102 and the driven shaft 105 are both movably connected to the clamping device 4, the driving shaft 102 and the driven shaft 105 are respectively fixedly connected with the first protective cover 106 and movably connected with the second protective cover 107, one end of the first protective cover 106 is provided with a first protrusion 1061, and two ends of the second protective cover 107 are provided with second protrusions 1071;

[0036] The working principle of the electric control cover 10 is as follows: the control module controls the micro motor 101 in the electric control cover 10 above the microbial filtration membrane corresponding to the collection site to start, the micro motor 101 drives the driving shaft 102 to rotate, and drives the driven shaft 105 to rotate in the opposite direction through the transmission of the gear set 103, the driving shaft 102 and the driven shaft 105 drive the first protective cover 106 to open to both sides, during the opening process, the first protrusion 1061 on the first protective cover 106 pushes the second protrusion 1071 to drive the second protective cover 107 to open to both sides, and when the electric control cover 10 needs to be closed, the micro motor 101 is controlled to reverse.

[0037] Figure 8This is a schematic diagram of the control module of the present invention, the control module includes an interaction module, a path planning module electrically connected to the interaction module, a signal transmission module electrically connected to the path planning module, and a laser ranging module, a signal receiving module, a signal processing module, an electric control hood control module, a solenoid valve control module, a motor control module and a fan control module; the signal processing module is connected to the signal receiving module, the laser ranging module, the electric control hood control module, the solenoid valve control module, the motor control module, and the fan control module are all connected to the signal processing module, the motor control module is used to control the motor of the walking motor wheel 2, the fan control module is electrically connected to the wind motor, the electric control hood control module is connected to each electric control hood 10, and the solenoid valve control module is connected to each solenoid valve 6. The sampling operation method of a microbial rapid sampler described in the present invention comprises the following steps: firstly, a microbial filter membrane is fixed on each microbial filter membrane clamping position of a clamping device 4, and the collected site and the microbial filter membrane corresponding to each collected site are input on the surface of an interactive module. After receiving the information of the interactive module, a path planning module performs path planning, and transmits the planned path to a signal processing module through a signal transmission module and a signal receiving module. The signal processing module drives the motor of a walking motor wheel 2 to walk along the planned path through a motor control module. At this time, a laser ranging module detects the distance between a walking trolley 1 and surrounding objects in real time for the signal processing module to correct the walking trajectory. When the collection site is reached, the signal processing module controls the wind motor to rotate through a fan control module, and at the same time controls the electric control cover 10 above the microbial filter membrane corresponding to the collection site and the electromagnetic valve 6 below to open through a sensor module to collect microorganisms. When the collection is completed, the control module controls the opened electric control cover 10 and the electromagnetic valve 6 to close, and then moves to the next site for collection.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A microbial rapid sampler, characterized in that: It comprises a walking trolley (1), four walking motor wheels (2) installed at the bottom of the walking trolley (1), a control module for controlling the walking and working of the walking trolley (1), a clamping device (4) located at the top of the walking trolley (1), an electric control cover (10) located at the top of the walking trolley (1) for protecting the clamping device (4), and an exhaust system; The clamping device (4) has a plurality of microbial filtration membrane clamping locations; The air extraction system comprises an air cylinder (5), an electromagnetic valve (6), a main air pipe (7), and an air extractor (8). Each microbial filtration membrane has an air cylinder (5) at the bottom, and the plurality of air cylinders (5) are respectively connected to the main air pipe (7). An electromagnetic valve (6) is arranged between each air cylinder (5) and the main air pipe (7), and the air extractor (8) is connected to the main air pipe (7). The control module comprises an interaction module, a path planning module electrically connected to the interaction module, a signal transmission module electrically connected to the path planning module, a laser distance measurement module, a signal receiving module, a signal processing module, an electric control cover control module, a solenoid valve control module, a motor control module and a fan control module; the signal processing module is connected to the signal receiving module, the laser distance measurement module, the electric control cover control module, the solenoid valve control module, the motor control module and the fan control module are all connected to the signal processing module, the motor control module is used to control the motor of the walking motor wheel (2), the fan control module is electrically connected to the wind power motor, the electric control cover control module is connected to each electric control cover (10), and the solenoid valve control module is connected to each solenoid valve (6).

2. The microbial rapid sampler according to claim 1, characterized in that: The plurality of microbial filtration membrane clamping locations on the clamping device (4) are arranged in an array.

3. The microbial rapid sampler according to claim 1, characterized in that: A shell (3) is fixed on the side of the walking trolley (1), and an inspection door (11) is arranged on the shell (3), limit baffles (12) are welded to the two ends of the inspection door (11), and a clamping plate (13) is welded to the surface of the shell (3), and the clamping plate (13) is used to limit the position of the limit baffle (12). A lifting handle (14) is welded on the outer surface of the inspection door (11), a first magnet block (15) is fixed on the inner surface of the limit baffle (12), and a second magnet block (16) is fixed on the surface of the clamping plate (13), and the first magnet block (15) and the second magnet block (16) are attracted to each other under the action of magnetic force.

4. The microbial rapid sampler according to claim 3, characterized in that: A guide hole (17) for exhaust is provided at the lower part of the shell (3), and the guide hole (17) is arranged at an angle of 45 degrees downward.

5. The microbial rapid sampler according to claim 1, characterized in that: The air cylinder (5) is a trumpet-shaped plastic part.

6. The microbial rapid sampler according to claim 3, characterized in that: The electric control cover (10) comprises a micro motor (101) fixed on a clamping device (4) through a fixing plate (41), a driving shaft (102), a driven shaft (105), a gear set (103) for connecting the driving shaft (102) and the driven shaft (105), a first protective cover (106) and a second protective cover (107); the driving shaft (102) and the driven shaft (105) are both movably connected to the clamping device (4); the driving shaft (102) and the driven shaft (105) are respectively fixedly connected to the first protective cover (106) and movably connected to the second protective cover (107); one end of the first protective cover (106) is provided with a first protrusion (1061), and both ends of the second protective cover (107) are provided with second protrusions (1071).

7. The sampling operation method of the microbial rapid sampler according to any one of claims 1 to 6, characterized in that: First, a microbial filter membrane is fixed on each microbial filter membrane clamping position of the clamping device (4), and the collection site and the microbial filter membrane corresponding to each collection site are input on the surface of the interactive module. After receiving the information from the interactive module, the path planning module performs path planning, and transmits the planned path to the signal processing module through the signal transmission module and the signal receiving module. The signal processing module drives the motor of the walking motor wheel (2) to walk along the planned path through the motor control module. At this time, the laser distance measurement module detects the distance between the walking trolley (1) and the surrounding objects in real time for the signal processing module to correct the walking trajectory. When the collection site is reached, the signal processing module controls the wind motor to rotate through the fan control module, and at the same time controls the electric control cover (10) above the microbial filter membrane corresponding to the collection site and the electromagnetic valve (6) below to open through the sensor module to collect microorganisms. When the collection is completed, the control module controls the opened electric control cover (10) and the electromagnetic valve (6) to close, and then moves to the next site for collection.

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