Edible oil trans-fatty acid content detection device and use method thereof

Abstract

The invention belongs to the technical field of edible oil quality detection, and discloses an edible oil trans-fatty acid content detection device and a use method.The edible oil trans-fatty acid content detection device comprises a device body, a sample introduction mechanism is installed at the top end of the device body, a connector groove and an air path mechanism are arranged at the rear end of the device body, and a heat dissipation plate is arranged below the air path mechanism; heat dissipation holes are uniformly formed in the heat dissipation plate, an exhaust port is formed in one side of the heat dissipation plate, the exhaust port is formed in the device body, a refrigeration sheet is arranged at one end of the exhaust port, a filter plate is arranged on the side, away from the exhaust port, of the refrigeration sheet, and a first cleaning assembly and a second cleaning assembly are arranged on the side walls of the refrigeration sheet and the filter plate correspondingly; when the content of trans-fatty acid in edible oil is detected, gas in the device is discharged from the exhaust port, firstly cooled by the refrigeration sheet, then filtered by the filter plate and finally discharged from the heat dissipation holes, so that the pollution to the atmosphere and the influence on the quality of ambient air are reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of edible oil quality detection, and specifically relates to an edible oil trans fatty acid content detection device and a use method. Background Art

[0002] Trans fatty acids refer to unsaturated fatty acids that contain one or more non-conjugated trans double bonds in the carbon chain, also known as reverse fatty acids. Trans fatty acids are a type of unsaturated fatty acid that has adverse effects on human health. Long-term excessive intake of trans fatty acids may increase health risks such as cardiovascular disease, obesity, and diabetes.

[0003] Some edible oils that have not been hydrogenated or have been simply processed (such as olive oil, linseed oil, etc.) contain a small amount of trans fatty acids. However, some hydrogenated vegetable oils (such as margarine, fats in certain baked goods, etc.) may have a higher content of trans fatty acids. Testing the trans fatty acid content in edible oils can ensure that the edible oils consumed by consumers meet health standards, thereby reducing the risk of disease.

[0004] Gas chromatograph is one of the commonly used devices for detecting trans fatty acid content in edible oil. Through specific chromatographic columns and detection conditions, it can separate and detect trans fatty acids in edible oil. This method has high sensitivity and accuracy.

[0005] After searching, such as patent: CN214539408U, a gas chromatograph includes a body, bases are respectively arranged on the walls around the bottom of the body, a plurality of vents are opened in one side wall of the body, a key area is arranged on one side wall of the front end of the body, a display screen is arranged on the wall above the key area on one side of the front end of the body, a sample injection mechanism is arranged on one side wall of the top of the body, an interface groove is arranged on one side wall of the rear end of the body, an air path mechanism is arranged in the wall above the rear end of the body, and a heat dissipation port is arranged in the wall below the air path mechanism at the rear end of the body. The gas chromatograph relates to the technical field of chromatograph equipment. Through the setting of its air guide mechanism, the hot air discharged from the body can be discharged in time, and the wall or placed objects behind the body will not be heated or even smoked black. In addition, through the setting of the fixing mechanism, the air guide mechanism can be conveniently disassembled and maintained;

[0006] Although current detection equipment can prevent hot air from blowing directly onto the walls and blackening them through an air guide mechanism when exhausting, when the equipment is running, its internal carrier gas (such as nitrogen, hydrogen, etc.) will carry volatile components in the sample through the chromatographic column and detector. These components may contain harmful substances when discharged. If they are directly discharged into the environment without proper treatment, they will not only pollute the atmosphere, but also cause the deterioration of the surrounding air quality and affect the health of the staff. Summary of the invention

[0007] The purpose of the present invention is to provide a device for detecting trans fatty acid content in edible oil and a method for using the device to solve the problems raised in the above background technology.

[0008] In order to achieve the above-mentioned object, the present invention provides the following technical scheme: a device for detecting trans fatty acid content in edible oil, comprising a device body, a sample introduction mechanism is installed at the top of the device body, an interface slot and an air path mechanism are arranged at the rear end of the device body, a heat sink is arranged below the air path mechanism, heat dissipation holes are evenly opened inside the heat sink, an exhaust port is arranged on one side of the heat sink, and the exhaust port is opened inside the device body;

[0009] A cooling fin is arranged at one end of the exhaust port, a filter plate is arranged at a side of the cooling fin away from the exhaust port, and a first cleaning component and a second cleaning component are arranged on side walls of the cooling fin and the filter plate, respectively.

[0010] As a further technical solution of the present invention, the first cleaning component includes a connecting plate arranged on one side of the refrigeration plate, and cleaning plates are evenly installed on the bottom end of the connecting plate, and the tops of multiple cleaning plates are all sleeved on the outer wall of the second reciprocating screw. The connecting plate is rotatably installed inside the connecting plate, and one end of the connecting plate is connected to a movable plate, and the movable plate is slidably installed inside the device body. The internal thread of the movable plate is connected to the first reciprocating screw, and a motor is installed at one end of the first reciprocating screw.

[0011] As a further technical solution of the present invention, the outer wall of the second reciprocating screw is threadedly connected with a knocking rod, and the knocking rod is arranged on one side of the cleaning plate. The outer wall of the second reciprocating screw is evenly installed with connecting blocks in a circular array, and the outer wall of the connecting block is installed with a rotating shaft, one end of the rotating shaft is fixedly connected with a first gear, and the first gear is rotatably installed inside the moving plate. A first rack plate is arranged on one side of the first gear, and the first rack plate is fixedly installed on the inner wall of the device body.

[0012] As a further technical solution of the present invention, the cleaning plate is slidably installed inside the connecting plate, and a spring is provided between the cleaning plate and the connecting plate.

[0013] As a further technical solution of the present invention, the heat sink and the device body are detachably connected via bolts.

[0014] As a further technical solution of the present invention, the rotating shaft is slidably connected to the connecting block.

[0015] As a further technical solution of the present invention, the second cleaning component includes a cleaning roller arranged on one side of the filter plate, a slider is installed on the top of the cleaning roller, the slider is slidably installed inside the device body, the inner wall of the slider is threadedly connected with a third reciprocating screw, one end of the third reciprocating screw is fixedly installed with a second bevel gear, one side of the second bevel gear is meshedly connected with a first bevel gear, and the first bevel gear is fixedly installed at one end of the first reciprocating screw.

[0016] As a further technical solution of the present invention, the sliding block is rotationally connected to the cleaning roller.

[0017] As a further technical solution of the present invention, a second gear is fixedly connected to the bottom end of the cleaning roller, a second rack plate is meshedly connected to one side of the second gear, and the second rack plate is fixedly installed inside the device body.

[0018] The method for using the edible oil trans fatty acid content detection device comprises the following steps:

[0019] S1: When testing the trans fatty acid content of edible oil, the gas inside the device is discharged from the exhaust port, first cooled by the refrigeration plate, then filtered by the filter plate, and finally discharged from the device through the heat dissipation hole to reduce the pollution to the atmosphere and the impact on the surrounding air quality;

[0020] S2: When the refrigeration plate needs to be cleaned and maintained, the motor is started by controlling the PLC. When the motor is started, the first reciprocating screw is driven to rotate. The rotation of the first reciprocating screw drives the moving plate to move back and forth. The movement of the moving plate drives the movement of the connecting plate. The movement of the connecting plate drives the movement of the cleaning plate. The cleaning plate contacts both sides of the refrigeration plate during the movement to clean its outer wall.

[0021] S3: When the moving plate drives the movement of the first gear during the movement, the first gear rotates when it is engaged with the first rack plate, the rotation of the first gear drives the rotation of the rotating shaft, the rotation of the rotating shaft drives the rotation of the connecting block, the rotation of the connecting block drives the rotation of the second reciprocating screw, the rotation of the second reciprocating screw drives the movement of the knocking rod, so that the knocking rod moves to the side close to the cleaning plate to knock it, and at the same time, the spring is deformed by force to store elastic potential energy. When the knocking rod moves to the side away from the cleaning plate, the elastic potential energy is released by the spring, which can not only help the cleaning plate to shake off impurities attached to the surface, but also reset the cleaning plate after knocking;

[0022] S4: During cleaning, the rotation of the first reciprocating screw drives the rotation of the first bevel gear, the rotation of the first bevel gear drives the rotation of the second bevel gear, the rotation of the second bevel gear drives the rotation of the third reciprocating screw, the rotation of the third reciprocating screw drives the slider to move back and forth, the movement of the slider drives the movement of the cleaning roller, the movement of the cleaning roller drives the second gear to move on one side of the second rack plate, causing the second gear to rotate, the rotation of the second gear drives the rotation of the cleaning roller, so that the cleaning roller rotates to clean the filter plate.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. The present invention cooperates with the refrigeration plate and the filter plate. When the trans fatty acid content of edible oil is detected, the gas inside the device is discharged from the exhaust port, first cooled by the refrigeration plate, then filtered by the filter plate, and finally discharged from the device through the heat dissipation hole to reduce the pollution to the atmosphere and the impact on the surrounding air quality.

[0025] 2. Through the setting of the first cleaning component, the present invention controls the motor to start through the PLC when the refrigeration plate needs to be cleaned and maintained. When the motor starts, it drives the first reciprocating screw to rotate. The rotation of the first reciprocating screw drives the movable plate to move back and forth. The movement of the movable plate drives the movement of the connecting plate. The movement of the connecting plate drives the movement of the cleaning plate. The cleaning plate contacts both sides of the refrigeration plate during the movement to clean the outer wall thereof to prevent dust or other contaminants from accumulating on the surface of the refrigeration plate during operation. These contaminants will affect the heat dissipation efficiency of the refrigeration plate, thereby affecting the overall performance and stability of the detection device. Cleaning and maintaining the refrigeration plate can help reduce the temperature fluctuation inside the detection device, thereby improving the stability of the detection device.

[0026] 3. The present invention is provided with a second cleaning component. During cleaning, the rotation of the first reciprocating screw drives the rotation of the first bevel gear, the rotation of the first bevel gear drives the rotation of the second bevel gear, the rotation of the second bevel gear drives the rotation of the third reciprocating screw, the rotation of the third reciprocating screw drives the slider to move back and forth, the movement of the slider drives the movement of the cleaning roller, and the cleaning roller contacts the filter plate during the movement to clean it, and impurities such as suspended matter, particulate matter, and organic matter on the surface of the filter plate are brushed off to ensure the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the overall structure of the present invention from a rear-end perspective;

[0029] Figure 3 It is a cross-sectional schematic diagram of the overall structure of the present invention from the rear end viewing angle;

[0030] Figure 4 It is a schematic cross-sectional view of the structure of the main body of the device of the present invention;

[0031] Figure 5 For the present invention Figure 4 A schematic diagram of the structure enlargement in the middle;

[0032] Figure 6 This is a schematic structural diagram of the cleaning roller of the present invention;

[0033] Figure 7 It is a schematic diagram of the cross-section structure of the connecting plate of the present invention;

[0034] Figure 8 For the present invention Figure 7 Enlarged schematic diagram of the structure at point B in the middle.

[0035] In the figure: 1. device body; 2. sample injection mechanism; 3. interface slot; 4. gas path mechanism; 5. heat sink; 6. heat dissipation hole; 7. exhaust port; 8. refrigeration plate; 9. filter plate; 10. motor; 11. moving plate; 12. first reciprocating screw; 13. connecting plate; 14. cleaning plate; 15. second reciprocating screw; 16. spring; 17. knocking rod; 18. connecting block; 19. rotating shaft; 20. first gear; 21. first rack plate; 22. first bevel gear; 23. second bevel gear; 24. third reciprocating screw; 25. slider; 26. cleaning roller; 27. second gear; 28. second rack plate. DETAILED DESCRIPTION

[0036] 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.

[0037] like Figures 1 to 8 As shown, in the embodiment of the present invention, the edible oil trans fatty acid content detection device includes a device body 1, a sample introduction mechanism 2 is installed on the top of the device body 1, an interface slot 3 and an air path mechanism 4 are arranged at the rear end of the device body 1, a heat sink 5 is arranged below the air path mechanism 4, heat dissipation holes 6 are evenly opened inside the heat sink 5, an exhaust port 7 is arranged on one side of the heat sink 5, and the exhaust port 7 is opened inside the device body 1;

[0038] A cooling fin 8 is disposed at one end of the exhaust port 7, a filter plate 9 is disposed at a side of the cooling fin 8 away from the exhaust port 7, and a first cleaning component and a second cleaning component are disposed on the side walls of the cooling fin 8 and the filter plate 9, respectively.

[0039] Existing: CN214539408U discloses a gas chromatograph, which discloses the device body 1, the sample injection mechanism 2, the interface slot 3 and the gas path mechanism 4 proposed in this application document, and this technical means will not be described one by one here;

[0040] The filter plate 9 is configured as activated carbon;

[0041] When testing the trans fatty acid content in edible oil, the gas inside the device is discharged from the exhaust port 7, first cooled by the refrigeration plate 8, then filtered by the filter plate 9, and finally discharged from the device from the heat dissipation hole 6 to reduce the pollution to the atmosphere and the impact on the surrounding air quality.

[0042] like Figures 1 to 8 As shown, the first cleaning component includes a connecting plate 13 arranged on one side of the refrigeration plate 8, and a cleaning plate 14 is evenly installed on the bottom end of the connecting plate 13. The tops of multiple cleaning plates 14 are all sleeved on the outer wall of the second reciprocating screw 15. The connecting plate 13 is rotatably installed inside the connecting plate 13, and one end of the connecting plate 13 is connected to a movable plate 11, and the movable plate 11 is slidably installed inside the device body 1. The internal thread of the movable plate 11 is connected to the first reciprocating screw 12, and one end of the first reciprocating screw 12 is installed with a motor 10.

[0043] When the refrigeration plate 8 needs to be cleaned and maintained, the motor 10 is started through the PLC control. When the motor 10 is started, it drives the first reciprocating screw 12 to rotate. The rotation of the first reciprocating screw 12 drives the movable plate 11 to move back and forth. The movement of the movable plate 11 drives the movement of the connecting plate 13. The movement of the connecting plate 13 drives the movement of the cleaning plate 14. The cleaning plate 14 contacts both sides of the refrigeration plate 8 during the movement to clean the outer wall to prevent dust or other contaminants from accumulating on the surface of the refrigeration plate 8 during operation. These contaminants will affect the heat dissipation efficiency of the refrigeration plate 8, and further affect the overall performance and stability of the detection device. Cleaning and maintaining the refrigeration plate 8 helps to reduce the temperature fluctuation inside the detection device, thereby improving the stability of the detection device.

[0044] Cleaning the device when it is not being tested is safer and ensures that the device is in optimal condition the next time it is used, improving the accuracy and reliability of the measurement.

[0045] like Figure 7 and Figure 8As shown, the outer wall of the second reciprocating screw 15 is threadedly connected with a knocking rod 17, and the knocking rod 17 is arranged on one side of the cleaning plate 14. The outer wall of the second reciprocating screw 15 is evenly installed with connecting blocks 18 in a circular array, and the outer wall of the connecting block 18 is installed with a rotating shaft 19. One end of the rotating shaft 19 is fixedly connected with a first gear 20, and the first gear 20 is rotatably installed inside the moving plate 11. A first rack plate 21 is arranged on one side of the first gear 20, and the first rack plate 21 is fixedly installed on the inner wall of the device body 1.

[0046] There are multiple cooling fins 8, and cleaning plates 14 are arranged on both sides of each cooling fin 8, and the cleaning plates 14 on both sides of each cooling fin 8 form a group;

[0047] A knocking rod 17 is disposed on one side of each set of cleaning plates 14, and the two knocking rods 17 are arranged in opposite directions to each other through the thread direction of the second reciprocating screw 15 meshing with each other to perform relative movement;

[0048] When the moving plate 11 moves, the first gear 20 is driven to move. When the first gear 20 moves and meshes with the first rack plate 21, it rotates. The rotation of the first gear 20 drives the rotation of the rotating shaft 19. The rotation of the rotating shaft 19 drives the rotation of the connecting block 18. The rotation of the connecting block 18 drives the rotation of the second reciprocating screw 15. The rotation of the second reciprocating screw 15 drives the movement of the knocking rod 17, so that the knocking rod 17 moves to the side close to the cleaning plate 14 to knock it, which helps to shake off the residual dirt attached to the cleaning plate 14.

[0049] The first rack plate 21 is disposed on a side away from the refrigeration fins 8 to prevent the cleaning plate 14 from contacting the refrigeration fins 8 when knocking.

[0050] like Figure 7 and Figure 8 As shown, the cleaning plate 14 is slidably installed inside the connecting plate 13 , and a spring 16 is provided between the cleaning plate 14 and the connecting plate 13 .

[0051] When the knocking rod 17 knocks the cleaning plate 14, the cleaning plate 14 slides a certain distance inside the connecting plate 13 under the force, and the spring 16 is deformed under the force to store elastic potential energy. When the knocking rod 17 moves to the side away from the cleaning plate 14, the elastic potential energy is released through the spring 16, which not only helps the cleaning plate 14 to shake off impurities attached to the surface, but also allows the cleaning plate 14 to reset after knocking.

[0052] like Figure 2 and Figure 3 As shown, the heat sink 5 and the device body 1 are detachably connected via bolts.

[0053] It is convenient for maintenance inside the device.

[0054] like Figure 7 and Figure 8 As shown, the rotating shaft 19 and the connecting block 18 are slidably connected.

[0055] The connection plate 13 and the moving plate 11 are magnetically connected;

[0056] When the cleaning plate 14 needs to be maintained, the heat sink 5 is first removed, and then the connecting plate 13 is moved to a side away from the moving plate 11 to separate the two. At the same time, the movement of the connecting plate 13 drives the connecting block 18 to slide out from the inside of the rotating shaft 19;

[0057] After maintenance, the connecting block 18 is embedded in the rotating shaft 19 and is magnetically connected to the moving plate 11 through the connecting plate 13 .

[0058] like Figure 3 , Figure 4 and Figure 5 As shown, the second cleaning assembly includes a cleaning roller 26 arranged on one side of the filter plate 9, a slider 25 is installed on the top of the cleaning roller 26, the slider 25 is slidably installed inside the device body 1, the inner wall of the slider 25 is threadedly connected with a third reciprocating screw 24, one end of the third reciprocating screw 24 is fixedly installed with a second bevel gear 23, one side of the second bevel gear 23 is meshedly connected with a first bevel gear 22, and the first bevel gear 22 is fixedly installed at one end of the first reciprocating screw 12.

[0059] During cleaning, the rotation of the first reciprocating screw 12 drives the rotation of the first bevel gear 22, the rotation of the first bevel gear 22 drives the rotation of the second bevel gear 23, the rotation of the second bevel gear 23 drives the rotation of the third reciprocating screw 24, the rotation of the third reciprocating screw 24 drives the slider 25 to move back and forth, the movement of the slider 25 drives the movement of the cleaning roller 26, and the cleaning roller 26 contacts the filter plate 9 during the movement to clean it, and brushes off impurities such as suspended matter, particulate matter, and organic matter on the surface of the filter plate 9 to ensure the filtering effect.

[0060] like Figure 3 , Figure 4 and Figure 5 As shown, the slider 25 and the cleaning roller 26 are rotationally connected.

[0061] like Figures 4 to 6 As shown, a second gear 27 is fixedly connected to the bottom end of the cleaning roller 26 , and a second rack plate 28 is meshedly connected to one side of the second gear 27 . The second rack plate 28 is fixedly installed inside the device body 1 .

[0062] When the cleaning roller 26 moves, it drives the second gear 27 to move on one side of the second rack plate 28, causing the second gear 27 to rotate. The rotation of the second gear 27 drives the rotation of the cleaning roller 26, so that the cleaning roller 26 rotates when cleaning the filter plate 9, which can not only improve the cleaning efficiency but also reduce the wear and blockage of the filter material, thereby extending the service life of the filter plate 9.

[0063] The method for using the edible oil trans fatty acid content detection device comprises the following steps:

[0064] S1: When testing the trans fatty acid content of edible oil, the gas inside the device is discharged from the exhaust port 7, first cooled by the refrigeration plate 8, then filtered by the filter plate 9, and finally discharged from the device through the heat dissipation hole 6 to reduce the pollution to the atmosphere and the impact on the surrounding air quality;

[0065] S2: When the refrigeration plate 8 needs to be cleaned and maintained, the motor 10 is started by controlling the PLC. When the motor 10 is started, the first reciprocating screw 12 is driven to rotate. The rotation of the first reciprocating screw 12 drives the moving plate 11 to move back and forth. The movement of the moving plate 11 drives the movement of the connecting plate 13. The movement of the connecting plate 13 drives the movement of the cleaning plate 14. The cleaning plate 14 contacts both sides of the refrigeration plate 8 during the movement to clean its outer wall.

[0066] S3: When the moving plate 11 drives the movement of the first gear 20 during the movement, and the first gear 20 rotates when it moves and meshes with the first rack plate 21, the rotation of the first gear 20 drives the rotation of the rotating shaft 19, the rotation of the rotating shaft 19 drives the rotation of the connecting block 18, the rotation of the connecting block 18 drives the rotation of the second reciprocating screw 15, and the rotation of the second reciprocating screw 15 drives the movement of the knocking rod 17, so that the knocking rod 17 moves to the side close to the cleaning plate 14 to knock it, and at the same time, the spring 16 is deformed by force to store elastic potential energy. When the knocking rod 17 moves to the side away from the cleaning plate 14, the elastic potential energy is released by the spring 16, which can not only help the cleaning plate 14 to shake off impurities attached to the surface, but also make the cleaning plate 14 reset after knocking;

[0067] S4: During cleaning, the rotation of the first reciprocating screw 12 drives the rotation of the first bevel gear 22, the rotation of the first bevel gear 22 drives the rotation of the second bevel gear 23, the rotation of the second bevel gear 23 drives the rotation of the third reciprocating screw 24, the rotation of the third reciprocating screw 24 drives the slider 25 to move back and forth, the movement of the slider 25 drives the movement of the cleaning roller 26, the movement of the cleaning roller 26 drives the second gear 27 to move on one side of the second rack plate 28, causing the second gear 27 to rotate, the rotation of the second gear 27 drives the rotation of the cleaning roller 26, so that the cleaning roller 26 rotates to clean the filter plate 9 when cleaning.

[0068] 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 device for detecting trans fatty acid content in edible oil, comprising a device body (1), characterized in that: A sample introduction mechanism (2) is installed at the top of the device body (1); an interface slot (3) and an air path mechanism (4) are arranged at the rear end of the device body (1); a heat sink (5) is arranged below the air path mechanism (4); heat dissipation holes (6) are evenly arranged inside the heat sink (5); an exhaust port (7) is arranged on one side of the heat sink (5); and the exhaust port (7) is opened inside the device body (1); A cooling fin (8) is provided at one end of the exhaust port (7), a filter plate (9) is provided at a side of the cooling fin (8) away from the exhaust port (7), and a first cleaning component and a second cleaning component are provided on the side walls of the cooling fin (8) and the filter plate (9), respectively.

2. The edible oil trans fatty acid content detection device according to claim 1, characterized in that: The first cleaning component comprises a connecting plate (13) arranged on one side of the refrigeration plate (8), a cleaning plate (14) is evenly installed at the bottom end of the connecting plate (13), the tops of multiple cleaning plates (14) are all sleeved on the outer wall of the second reciprocating screw (15), the connecting plate (13) is rotatably installed inside the connecting plate (13), one end of the connecting plate (13) is connected to a movable plate (11), the movable plate (11) is slidably installed inside the device body (1), the internal thread of the movable plate (11) is connected to the first reciprocating screw (12), and one end of the first reciprocating screw (12) is installed with a motor (10).

3. The edible oil trans fatty acid content detection device according to claim 2, characterized in that: The outer wall of the second reciprocating screw (15) is threadedly connected with a knocking rod (17), and the knocking rod (17) is arranged on one side of the cleaning plate (14). The outer wall of the second reciprocating screw (15) is evenly installed with connecting blocks (18) in a ring array. The outer wall of the connecting block (18) is installed with a rotating shaft (19), and one end of the rotating shaft (19) is fixedly connected with a first gear (20), and the first gear (20) is rotatably installed inside the moving plate (11). A first rack plate (21) is arranged on one side of the first gear (20), and the first rack plate (21) is fixedly installed on the inner wall of the device body (1).

4. The edible oil trans fatty acid content detection device according to claim 3, characterized in that: The cleaning plate (14) is slidably mounted inside the connecting plate (13), and a spring (16) is arranged between the cleaning plate (14) and the connecting plate (13).

5. The edible oil trans fatty acid content detection device according to claim 1, characterized in that: The heat sink (5) and the device body (1) are detachably connected via bolts.

6. The edible oil trans fatty acid content detection device according to claim 3, characterized in that: The rotating shaft (19) is slidably connected to the connecting block (18).

7. The edible oil trans fatty acid content detection device according to claim 1, characterized in that: The second cleaning assembly comprises a cleaning roller (26) arranged on one side of the filter plate (9), a slider (25) is installed on the top end of the cleaning roller (26), the slider (25) is slidably installed inside the device body (1), the inner wall of the slider (25) is threadedly connected to a third reciprocating screw (24), one end of the third reciprocating screw (24) is fixedly installed with a second bevel gear (23), one side of the second bevel gear (23) is meshedly connected with a first bevel gear (22), and the first bevel gear (22) is fixedly installed on one end of the first reciprocating screw (12).

8. The edible oil trans fatty acid content detection device according to claim 7, characterized in that: The slider (25) is rotationally connected to the cleaning roller (26).

9. The edible oil trans fatty acid content detection device according to claim 8, characterized in that: The bottom end of the cleaning roller (26) is fixedly connected to a second gear (27), one side of the second gear (27) is meshingly connected to a second rack plate (28), and the second rack plate (28) is fixedly installed inside the device body (1).

10. A method for using a device for detecting trans fatty acid content in edible oil, the method being applicable to the device for detecting trans fatty acid content in edible oil according to claims 1 to 9, characterized in that: The following steps are involved: S1: When testing the trans fatty acid content of edible oil, the gas inside the device is discharged from the exhaust port (7), first cooled by the refrigeration plate (8), then filtered by the filter plate (9), and finally discharged from the device through the heat dissipation hole (6) to reduce the pollution to the atmosphere and the impact on the surrounding air quality; S2: When the refrigeration plate (8) needs to be cleaned and maintained, the motor (10) is started by controlling the PLC. When the motor (10) is started, it drives the first reciprocating screw (12) to rotate. The rotation of the first reciprocating screw (12) drives the moving plate (11) to move back and forth. The movement of the moving plate (11) drives the movement of the connecting plate (13). The movement of the connecting plate (13) drives the movement of the cleaning plate (14). The cleaning plate (14) contacts both sides of the refrigeration plate (8) during the movement to clean its outer wall. S3: When the moving plate (11) drives the first gear (20) to move during the movement, the first gear (20) rotates when it moves and meshes with the first rack plate (21), the rotation of the first gear (20) drives the rotation of the rotating shaft (19), the rotation of the rotating shaft (19) drives the rotation of the connecting block (18), the rotation of the connecting block (18) drives the rotation of the second reciprocating screw (15), the rotation of the second reciprocating screw (15) drives the movement of the knocking rod (17), so that the knocking rod (17) moves to the side close to the cleaning plate (14) to knock it, and at the same time, the spring (16) is deformed by force to store elastic potential energy. When the knocking rod (17) moves to the side away from the cleaning plate (14), the elastic potential energy is released by the spring (16), which not only helps the cleaning plate (14) to shake off impurities attached to the surface, but also allows the cleaning plate (14) to reset after knocking; S4: During cleaning, the rotation of the first reciprocating screw (12) drives the rotation of the first bevel gear (22), the rotation of the first bevel gear (22) drives the rotation of the second bevel gear (23), the rotation of the second bevel gear (23) drives the rotation of the third reciprocating screw (24), the rotation of the third reciprocating screw (24) drives the slider (25) to move back and forth, the movement of the slider (25) drives the movement of the cleaning roller (26), the movement of the cleaning roller (26) drives the second gear (27) to move on one side of the second rack plate (28), causing the second gear (27) to rotate, the rotation of the second gear (27) drives the rotation of the cleaning roller (26), so that the cleaning roller (26) rotates to clean the filter plate (9) when cleaning.

Images