Safety detection instrument for harmful components of ham moon cakes

Abstract

The utility model relates to the field of detection of harmful components of hams and mooncakes, and discloses a safety detection instrument for harmful components of hams and mooncakes, which comprises a box body, a box door rotatably connected to the side wall of the box body, a protective cover arranged at the top of the box body, a lifting mechanism arranged at the top of the box body and used for lifting the protective cover, and a second hydraulic push rod arranged in the protective cover, a detection assembly is fixed to the output end of the second hydraulic push rod, and a first moving mechanism used for moving the second hydraulic push rod is arranged in the protective cover. Disinfectant fluid is fed into the first connecting pipe through the water feeding mechanism and sprayed out through the atomizing spray head to disinfect the top of the box body, and the lifting mechanism is matched with the protective cover to cover and seal the top of the box body, so that hams and mooncakes are prevented from being directly exposed in the air in the detection process, and the detection efficiency is improved. The ham mooncake detection device prevents bacteria, viruses or other microorganisms in air from polluting ham mooncakes, improves the accuracy of detection results, does not need manual collection, saves time, and improves the working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of detecting harmful components in ham mooncakes, in particular to a safety detection instrument for harmful components in ham mooncakes. Background Art

[0002] In the field of modern food safety, as people's attention to food quality and safety continues to increase, the development of food testing technology is becoming increasingly important. Ham mooncakes, as a popular traditional festival food, often involve the mixing of multiple raw materials in their production process, including ham, flour, sugar, oil, etc. However, ham, as a meat product, may be affected by bacterial contamination, chemical additives and other harmful ingredients during production and storage. These harmful ingredients may pose a threat to consumers' health. Therefore, a safety detection instrument for harmful ingredients in ham mooncakes is needed.

[0003] When using traditional ham mooncake harmful ingredient safety testing instruments, the ham mooncakes are usually placed on a testing table for testing. The testing table is usually exposed to the air, and the testing process takes a long time. This means that during the testing process, bacteria, viruses or other microorganisms in the air will pose a risk of contamination to the ham mooncakes, reducing the accuracy of the test results. Moreover, when testing the next batch of ham mooncakes, the ham mooncakes tested in the previous batch need to be manually taken out one by one, which takes a lot of time and reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a safety detection instrument for harmful ingredients in ham mooncakes.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A safety detection instrument for harmful ingredients in ham mooncakes, comprising a box body, a box door rotatably connected to the side wall of the box body, a protective cover is arranged on the top of the box body, a lifting mechanism for lifting the protective cover is arranged on the top of the box body, a second hydraulic push rod is arranged inside the protective cover, a detection component is fixed on the output end of the second hydraulic push rod, a first moving mechanism for moving the second hydraulic push rod is arranged inside the protective cover, a first connecting pipe is arranged on the top of the box body, a plurality of atomizing nozzles are fixed on the side wall of the first connecting pipe at equal distances in a line, a scraper is fixed on the side wall of the first connecting pipe, a second moving mechanism for moving the first connecting pipe is arranged on the top of the box body, a through hole is opened at one end of the top of the box body, and a detection component is fixed on the output end of the second hydraulic push rod The invention discloses a water supply mechanism for supplying water through the pipe, and a filtering mechanism is provided on the top of the protective cover. During use of the device, disinfectant water is supplied to the inside of the first connecting pipe through the water supply mechanism, and is sprayed out through the atomizing nozzle to disinfect the top of the box body. The top of the box body is covered and sealed by the lifting mechanism in cooperation with the protective cover to avoid the ham mooncakes from being directly exposed to the air during the inspection process, thereby preventing the risk of contamination of the ham mooncakes by bacteria, viruses or other microorganisms in the air, thereby improving the accuracy of the inspection results. During disinfection, the first connecting pipe is driven to move by the second moving mechanism, thereby driving the scraper to gradually approach along the direction of the through hole, and the inspected ham mooncakes are scraped and collected without manual collection, thus saving time and improving work efficiency.

[0007] As a further solution of the present invention, the lifting mechanism includes two first hydraulic push rods, which are respectively fixed at the two ends of the top of the box body. Connecting plates are fixed at the diagonal sides of the protective cover, and the two connecting plates are respectively fixed to the output ends of the two first hydraulic push rods. The two first hydraulic push rods are driven to cooperate with the two connecting plates to drive the protective cover to move upward or downward.

[0008] As a further solution of the present invention, the first moving mechanism includes a second motor, the second motor is fixed on the outer wall of one end of the protective cover, the inner wall of the protective cover is rotatably connected to a second screw rod, and the second screw rod and the output shaft of the second motor are fixed, the inner wall of the protective cover is fixed with a sliding rod, and the sliding rod and the second screw rod are arranged in parallel, the side wall of the sliding rod is provided with a second screw sleeve, the second screw sleeve and the second hydraulic push rod are fixed, and the second screw sleeve and the second screw rod are adapted to drive the second motor to drive the second screw rod to rotate, cooperate with the slide rod and the second screw sleeve to move the second hydraulic push rod and the detection assembly to above the ham moon cake, and drive the second hydraulic push rod to drive the detection assembly to move downward, thereby driving the detection assembly to contact the ham moon cake to detect harmful substances in the ham moon cake.

[0009] As a further solution of the present invention, the second moving mechanism includes four support plates, and the four support plates are all fixed to the top of the box body. The inner side walls of every two support plates are rotatably connected to the same first screw rod, and a first motor is fixed to the side wall of one of the support plates, and the output shaft of the first motor is fixed to one end of one of the first screw rods, and the other ends of the two first screw rods are sleeved with synchronous wheels, and a synchronous belt is provided on the top of the box body, and the two ends of the synchronous belt are respectively sleeved on the side walls of the two synchronous wheels, and the side walls of the two first screw rods are both sleeved with a first screw sleeve, and the two first screw sleeves are respectively fixed to the two ends of the first connecting pipe, and the water delivery mechanism includes a water tank, which is fixed to the bottom of the box body, and a water pump is fixed inside the water tank, and the water outlet of the water pump A hose is fixed to the mouth, and the hose is connected to the first connecting pipe, driving the first motor to drive one of the first screws to rotate, and cooperating with the synchronous belt and the two synchronous wheels to drive the other first screw to rotate. The two first screws rotate and cooperate with the two first screw sleeves to drive the first connecting pipe and the scraper to move simultaneously. The movement of the scraper can push the tested ham mooncake to the through hole and drop it into the collection container for collection, avoiding manual collection, saving time and improving work efficiency. During the movement of the first connecting pipe, the water pump is driven to cooperate with the hose to draw the disinfection solution into the inside of the first connecting pipe, and spray it out through multiple atomizing nozzles to disinfect the top of the box, and disinfect the harmful substances in the ham mooncakes remaining on the top of the box, avoiding the risk of cross contamination and improving the accuracy of the test results.

[0010] As a further solution of the present invention, the filtering mechanism includes a filter box, which is fixed to the top of the protective cover, and an exhaust fan is fixed to the top of the protective cover, the air inlet of the exhaust fan is connected to the filter box, a third connecting pipe is fixed to the side wall of the filter box, a second connecting pipe is fixed to one end of the third connecting pipe, a plurality of branch pipes are fixed at equal distances on the side wall of the second connecting pipe, and the plurality of branch pipes are all connected to the protective cover, and the exhaust fan is driven to cooperate with the filter box, the second connecting pipe, the third connecting pipe and the branch pipe to perform exhaust treatment on the inside of the protective cover. At this time, the air in the protective cover enters the filter box for filtration treatment and is then discharged into the air to avoid air pollution.

[0011] As a further solution of the present invention, a mounting hole is provided on the side wall of the protective cover, and a transparent glass plate is fixed to the inner wall of the mounting hole. The transparent glass plate facilitates observation of the interior of the protective cover by the staff.

[0012] The beneficial effects of the utility model are:

[0013] 1. During use, the device delivers disinfectant water into the first connecting pipe through the water delivery mechanism and sprays it out through the atomizing nozzle to disinfect the top of the box. The top of the box is covered and sealed by the lifting mechanism in conjunction with the protective cover to prevent the ham mooncakes from being directly exposed to the air during the detection process, thereby preventing the risk of contamination of the ham mooncakes by bacteria, viruses or other microorganisms in the air, and improving the accuracy of the detection results.

[0014] 2. During disinfection, the first connecting tube is driven to move by the second moving mechanism, thereby driving the scraper to gradually approach along the direction of the through hole, and the inspected ham mooncakes are scraped and collected, without the need for manual collection, saving time and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a safety detection instrument for harmful ingredients in ham mooncakes proposed by the utility model;

[0016] Figure 2 This is a cross-sectional diagram of the housing and protective cover of a safety detection instrument for harmful ingredients in ham mooncakes proposed in the present invention;

[0017] Figure 3 This is a schematic diagram of the top of the box of a ham mooncake harmful ingredient safety detection instrument proposed by the utility model;

[0018] Figure 4 This is a schematic cross-sectional view of a water tank of a safety detection instrument for harmful ingredients in ham mooncakes proposed by the present invention;

[0019] Figure 5 This is a schematic diagram of the filtering mechanism of a safety detection instrument for harmful ingredients in ham mooncakes proposed in the present invention;

[0020] Figure 6 The utility model provides a schematic cross-sectional view of the protective cover of a safety detection instrument for harmful ingredients in ham mooncakes.

[0021] In the figure: 1. Box body; 2. Box door; 3. Protective cover; 4. Connecting plate; 5. First hydraulic push rod; 6. Transparent glass plate; 7. Filter box; 8. Exhaust fan; 9. Water tank; 10. Support plate; 11. First screw rod; 12. First screw sleeve; 13. Synchronous wheel; 14. Synchronous belt; 15. Through hole; 16. First connecting pipe; 17. Atomizing nozzle; 18. Scraper; 19. Water pump; 20. Hose; 21. Second connecting pipe; 22. Third connecting pipe; 23. Branch pipe; 24. Second motor; 25. Slide rod; 26. Second screw rod; 27. Second screw sleeve; 28. Second hydraulic push rod; 29. Detection component; 30. First motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Reference Figure 1 - Figure 6 A safety detection instrument for harmful ingredients in ham mooncakes includes a box body 1, a box door 2 is rotatably connected to the side wall of the box body 1, a protective cover 3 is provided on the top of the box body 1, a lifting mechanism for lifting the protective cover 3 is provided on the top of the box body 1, a second hydraulic push rod 28 is provided inside the protective cover 3, a detection component 29 is fixed to the output end of the second hydraulic push rod 28, a first moving mechanism for moving the second hydraulic push rod 28 is provided inside the protective cover 3, a first connecting pipe 16 is provided on the top of the box body 1, a plurality of atomizing nozzles 17 are fixed to the side wall of the first connecting pipe 16 at equal distances in a line, a scraper 18 is fixed to the side wall of the first connecting pipe 16, a second moving mechanism for moving the first connecting pipe 16 is provided on the top of the box body 1, a through hole 15 is opened at one end of the top of the box body 1, and a detection component 29 is fixed inside the box body 1 16 is a water supply mechanism for supplying water, and a filtering mechanism is provided on the top of the protective cover 3. During use of the device, disinfectant water is supplied to the inside of the first connecting pipe 16 through the water supply mechanism, and is sprayed out through the atomizing nozzle 17 to disinfect the top of the box body 1, and the top of the box body 1 is covered and sealed by the lifting mechanism in cooperation with the protective cover 3 to avoid the ham mooncakes from being directly exposed to the air during the detection process, preventing the risk of contamination of the ham mooncakes by bacteria, viruses or other microorganisms in the air, thereby improving the accuracy of the detection results. During disinfection, the first connecting pipe 16 is driven to move by the second moving mechanism, and then the scraper 18 is driven to gradually approach along the direction of the through hole 15 to scrape and collect the ham mooncakes to be detected, without the need for manual collection, saving time and improving work efficiency.

[0024] Reference Figure 1 In a preferred embodiment, the lifting mechanism includes two first hydraulic push rods 5, which are respectively fixed at the two ends of the top of the box body 1, and connecting plates 4 are fixed at the diagonal sides of the side walls of the protective cover 3. The two connecting plates 4 are respectively fixed to the output ends of the two first hydraulic push rods 5, driving the two first hydraulic push rods 5 to cooperate with the two connecting plates 4 to drive the protective cover 3 to move upward or downward.

[0025] Reference Figure 2 and Figure 6In a preferred embodiment, the first moving mechanism includes a second motor 24, which is fixed to the outer wall of one end of the protective cover 3. The inner wall of the protective cover 3 is rotatably connected to the second screw rod 26, and the second screw rod 26 and the output shaft of the second motor 24 are fixed. A sliding rod 25 is fixed to the inner wall of the protective cover 3, and the sliding rod 25 and the second screw rod 26 are arranged in parallel. The side wall of the sliding rod 25 is sleeved with a second screw sleeve 27, and the second screw sleeve 27 and the second hydraulic push rod 28 are fixed, and the second screw sleeve 27 and the second screw rod 26 are adapted to drive the second motor 24 to drive the second screw rod 26 to rotate, and cooperate with the slide rod 25 and the second screw sleeve 27 to move the second hydraulic push rod 28 and the detection assembly 29 to above the ham moon cake, and drive the second hydraulic push rod 28 to drive the detection assembly 29 to move downward, thereby driving the detection assembly 29 to contact the ham moon cake to detect harmful substances in the ham moon cake.

[0026] Reference Figure 2 - Figure 4 In a preferred embodiment, the second moving mechanism includes four support plates 10, and the four support plates 10 are all fixed to the top of the box body 1. The inner side walls of every two support plates 10 are rotatably connected to the same first screw rod 11. A first motor 30 is fixed to the side wall of one of the support plates 10, and the output shaft of the first motor 30 is fixed to one end of one of the first screw rods 11. The other ends of the two first screw rods 11 are sleeved with a synchronous wheel 13. A synchronous belt 14 is provided on the top of the box body 1, and the two ends of the synchronous belt 14 are respectively sleeved on the side walls of the two synchronous wheels 13. The side walls of the two first screw rods 11 are both sleeved with a first screw sleeve 12, and the two first screw sleeves 12 are respectively fixed to the two ends of the first connecting pipe 16. The water supply mechanism includes a water tank 9, which is fixed to the bottom of the box body 1. A water pump 19 is fixed inside the water tank 9, and a hose 20 is fixed to the water outlet of the water pump 19. The hose 20 is connected to the first connecting pipe 16, driving the first motor 30 to drive one of the first screw rods 11 to rotate, and cooperate with the synchronous belt 14 and the two synchronous wheels 13 to drive the other first screw rod 11 to rotate. The two first screw rods 11 rotate and cooperate with the two first screw sleeves 12 to drive the first connecting pipe 16 and the scraper 18 to move simultaneously. The movement of the scraper 18 can push the tested ham mooncake to the through hole 15 and fall into the collection container for collection, avoiding manual collection, saving time and improving work efficiency. During the movement of the first connecting pipe 16, the water pump 19 is driven to cooperate with the hose 20 to draw the disinfection solution into the inside of the first connecting pipe 16, and spray it out through multiple atomizing nozzles 17 to disinfect the top of the box 1, and disinfect the harmful substances remaining in the ham mooncakes on the top of the box 1, avoiding the risk of cross contamination and improving the accuracy of the test results.

[0027] Reference Figure 1 and Figure 5In a preferred embodiment, the filtering mechanism includes a filter box 7, which is fixed to the top of the protective cover 3. An exhaust fan 8 is fixed to the top of the protective cover 3. The air inlet of the exhaust fan 8 is connected to the filter box 7. A third connecting pipe 22 is fixed to the side wall of the filter box 7. A second connecting pipe 21 is fixed to one end of the third connecting pipe 22. A plurality of branch pipes 23 are fixed to the side wall of the second connecting pipe 21 at equal distances, and the plurality of branch pipes 23 are all connected to the protective cover 3. The exhaust fan 8 is driven to cooperate with the filter box 7, the second connecting pipe 21, the third connecting pipe 22 and the branch pipe 23 to exhaust the inside of the protective cover 3. At this time, the air in the protective cover 3 enters the filter box 7 for filtration and is then discharged into the air to avoid air pollution.

[0028] Reference Figure 1 In a preferred embodiment, a mounting hole is opened on the side wall of the protective cover 3, and a transparent glass plate 6 is fixed on the inner wall of the mounting hole. The setting of the transparent glass plate 6 makes it convenient for staff to observe the inside of the protective cover 3.

[0029] The working principle of this embodiment: During the use of this device, a collection container is placed inside the box 1 in advance, and the water tank 9 is filled with disinfectant solution. During the detection, the ham mooncake is placed in the middle of the top of the box 1, and the two first hydraulic push rods 5 are driven to cooperate with the two connecting plates 4 to drive the protective cover 3 to move downward until the bottom of the protective cover 3 is in close contact with the box 1, so as to avoid the ham mooncake being exposed to the air for a long time and prevent the risk of contamination of the ham mooncake by bacteria, viruses or other microorganisms in the air, thereby improving the accuracy of the detection result. During the detection process, the power switch of the exhaust fan 8 is turned on to drive the exhaust fan 8 cooperates with the filter box 7, the second connecting pipe 21, the third connecting pipe 22 and the branch pipe 23 to exhaust the inside of the protective cover 3. At this time, the air in the protective cover 3 enters the filter box 7 for filtering and is discharged into the air to avoid air pollution. During the detection, the power switch of the second motor 24 is turned on, and the second motor 24 drives the second screw rod 26 to rotate. The sliding rod 25 and the second screw sleeve 27 are cooperated to move the second hydraulic push rod 28 and the detection component 29 above the ham moon cake, and the second hydraulic push rod 28 is driven to drive the detection component 29 to move downward, thereby driving the detection component 29 and the ham moon cake. Contact, detect harmful substances in the ham mooncakes, after the detection is completed, turn on the power switch of the first motor 30, drive the first motor 30 to drive one of the first screw rods 11 to rotate, cooperate with the synchronous belt 14 and the two synchronous wheels 13 to drive the other first screw rod 11 to rotate, the two first screw rods 11 rotate and cooperate with the two first screw sleeves 12 to drive the first connecting pipe 16 and the scraper 18 to move at the same time, the movement of the scraper 18 can push the tested ham mooncake to the through hole 15 and fall into the collection container for collection, avoiding manual collection, saving time, and improving work efficiency, and the first connecting pipe 16 moves During the process, turn on the power switch of the water pump 19, drive the water pump 19 to cooperate with the hose 20 to draw the disinfectant solution into the first connecting pipe 16, and spray it out through multiple atomizing nozzles 17 to disinfect the top of the box 1, and disinfect the harmful substances of the ham mooncakes remaining on the top of the box 1 to avoid the risk of cross contamination and improve the accuracy of the test results. After disinfection, drive the first motor 30 to drive the first screw rod 11 to move in the opposite direction, move the first connecting pipe 16 to the end away from the through hole 15, and drive the protective cover 3 to move upward through the two first hydraulic push rods 5 to prepare for the next test.

[0030] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A ham mooncake harmful ingredient safety detection instrument, comprising a box (1), characterized in that: The side wall of the box body (1) is rotatably connected to a box door (2), a protective cover (3) is provided on the top of the box body (1), a lifting mechanism for lifting the protective cover (3) is provided on the top of the box body (1), a second hydraulic push rod (28) is provided inside the protective cover (3), a detection component (29) is fixed to the output end of the second hydraulic push rod (28), a first moving mechanism for moving the second hydraulic push rod (28) is provided inside the protective cover (3), a first connecting pipe (16) is provided on the top of the box body (1), a plurality of atomizing nozzles (17) are fixed on the side wall of the first connecting pipe (16) at equal distances and in a linear shape, a scraper (18) is fixed on the side wall of the first connecting pipe (16), a second moving mechanism for moving the first connecting pipe (16) is provided on the top of the box body (1), a through hole (15) is opened at one end of the top of the box body (1), a water supply mechanism for supplying water to the first connecting pipe (16) is provided inside the box body (1), and a filtering mechanism is provided on the top of the protective cover (3).

2. The ham mooncake harmful ingredient safety detection instrument according to claim 1 is characterized in that: The lifting mechanism comprises two first hydraulic push rods (5), the two first hydraulic push rods (5) are respectively fixed to the two ends of the top of the box body (1), and connecting plates (4) are fixed at the diagonal positions of the side walls of the protective cover (3), and the two connecting plates (4) are respectively fixed to the output ends of the two first hydraulic push rods (5).

3. The ham mooncake harmful ingredient safety detection instrument according to claim 1 is characterized in that: The first moving mechanism includes a second motor (24), the second motor (24) is fixed on the outer wall of one end of the protective cover (3), the inner wall of the protective cover (3) is rotatably connected to a second screw rod (26), and the second screw rod (26) and the output shaft of the second motor (24) are fixed, a slide rod (25) is fixed to the inner wall of the protective cover (3), and the slide rod (25) and the second screw rod (26) are arranged in parallel, the side wall of the slide rod (25) is provided with a second screw sleeve (27), the second screw sleeve (27) and the second hydraulic push rod (28) are fixed, and the second screw sleeve (27) and the second screw rod (26) are adapted.

4. The ham mooncake harmful ingredient safety detection instrument according to claim 1 is characterized in that: The second moving mechanism comprises four support plates (10), the four support plates (10) are all fixed on the top of the box body (1), the inner side walls of every two support plates (10) are rotatably connected to the same first screw rod (11), a first motor (30) is fixed to the side wall of one of the support plates (10), and the output shaft of the first motor (30) is fixed to one end of one of the first screw rods (11), the other ends of the two first screw rods (11) are sleeved with a synchronous wheel (13), a synchronous belt (14) is provided on the top of the box body (1), and the two ends of the synchronous belt (14) are respectively sleeved on the side walls of the two synchronous wheels (13), the side walls of the two first screw rods (11) are both sleeved with a first screw sleeve (12), and the two first screw sleeves (12) are respectively fixed to the two ends of the first connecting pipe (16).

5. The ham mooncake harmful ingredient safety detection instrument according to claim 1 is characterized in that: The water supply mechanism comprises a water tank (9), the water tank (9) being fixed to the bottom of the box body (1), a water pump (19) being fixed inside the water tank (9), a hose (20) being fixed to the water outlet of the water pump (19), and the hose (20) being connected to the first connecting pipe (16).

6. The ham mooncake harmful ingredient safety detection instrument according to claim 1 is characterized in that: The filtering mechanism comprises a filter box (7), the filter box (7) is fixed to the top of the protective cover (3), an exhaust fan (8) is fixed to the top of the protective cover (3), an air inlet of the exhaust fan (8) is connected to the filter box (7), a third connecting pipe (22) is fixed to the side wall of the filter box (7), a second connecting pipe (21) is fixed to one end of the third connecting pipe (22), a plurality of branch pipes (23) are fixed to the side wall of the second connecting pipe (21) at equal distances, and the plurality of branch pipes (23) are all connected to the protective cover (3).

7. The ham mooncake harmful ingredient safety detection instrument according to claim 1 is characterized in that: A mounting hole is provided on the side wall of the protective cover (3), and a transparent glass plate (6) is fixed on the inner side wall of the mounting hole.

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