Device and method for evaluating influence of electromagnetic field on organism

Abstract

The invention discloses a device and method for evaluating the influence of an electromagnetic field on a living body, and the device comprises a pedestal plate which is provided with vertical plates at two sides through an adjusting mechanism, a mounting rack at the opposite side surfaces of the vertical plates, a Helmholtz coil on the mounting rack, an electric lifting rod on the pedestal plate through a moving mechanism, and a lifting platform on the electric lifting rod. A positioning seat mechanism is arranged on the lifting table, a regulator is arranged below the base plate, and a control panel is arranged on one side of the base plate; different feeding environments of different types of animals are fully considered, feeding cages of different sizes and environments can be rapidly disassembled and assembled according to the positioning seat mechanism, Helmholtz coils of different sizes can be synchronously replaced, and the applicability is higher; through multiple groups of adjustable mounting structures, the action modes of various electromagnetic fields can be simulated, the intensity of the animal magnetic field can be measured, and the result of the influence of the magnetic field on the human body can be finally obtained through the evaluation method by evaluating the health condition of the animal after the animal test.

Description

Technical Field

[0001] The present invention relates to the field of animal experiment technology, and in particular to a device and method for evaluating the influence of an electromagnetic field on a biological body. Background Art

[0002] New energy vehicles, household and office equipment, communication equipment, etc. are becoming more and more closely integrated into people's lives. The electromagnetic field environment frequencies and wavelengths that the human body is exposed to are also increasing, and there are often situations where multiple electromagnetic fields cross-act on the human body.

[0003] In order to evaluate the impact of different magnetic fields on human health, the present invention is designed to first apply electromagnetic fields of different magnetic field types and different magnetic field strengths to animal bodies. In a magnetic field environment simulating human exposure, different types of animals are used as research objects. The potential hazards of different magnetic fields to the human body are judged by the impact of the magnetic field on the animal's living habits, mental state, physiological condition, internal organs, etc.

[0004] The existing technology can accurately measure the magnetic field strength of the animal activity environment without affecting the animals. However, the size of the Helmholtz coil of the magnetic field generating device cannot be changed according to the type of experimental animals (such as monkeys, rabbits, mice, guinea pigs, etc.). At the same time, the environment of the breeding device is different for different animal species, and some animals need special requirements when breeding. In addition, the existing technology only establishes a detection method, and there is no specific experimental device. Therefore, the present invention proposes a device and method for evaluating the impact of electromagnetic fields on organisms to solve the problems existing in the prior art. Summary of the invention

[0005] In view of the above problems, the purpose of the present invention is to provide a device and method for evaluating the influence of electromagnetic fields on organisms. The device and method for evaluating the influence of electromagnetic fields on organisms fully consider the different breeding environments of different types of animals, can quickly disassemble and assemble breeding cages of different sizes and environments according to the positioning seat mechanism, and can synchronously replace Helmholtz coils of different sizes, which is more applicable.

[0006] Through multiple groups of adjustable installation structures, the action modes of various electromagnetic fields can be simulated. Not only can the strength of the animal magnetic field be measured, but also the health status of the animals after the test can be evaluated. Finally, the results of the impact of the magnetic field on the human body can be obtained through the evaluation method of the present invention.

[0007] To achieve the purpose of the present invention, the present invention is implemented through the following technical solutions: a device for evaluating the influence of electromagnetic fields on organisms, comprising a base plate, an adjustment mechanism, a vertical plate, a mounting frame, a Helmholtz coil, an adjustment platform mechanism, a regulator and a control panel, wherein vertical plates are arranged on both sides of the base plate through the adjustment mechanism, and mounting frames are fixedly arranged on the opposite sides of the vertical plates, and the mounting frames are in an X-shaped structure, and the Helmholtz coil is detachably mounted on the mounting frame, and the adjustment platform mechanism comprises a moving mechanism, an electric lifting rod, a lifting platform and a positioning seat mechanism, an electric lifting rod is arranged on the base plate through the moving mechanism, and a lifting platform is fixedly arranged on the electric lifting rod, and four groups of guide columns are symmetrically arranged below the lifting platform, and guide cylinders are symmetrically arranged on the moving seat directly below the guide columns, and the guide columns and the guide cylinders are correspondingly plugged and guided, and a positioning seat mechanism is arranged on the lifting platform, and a regulator is arranged below the base plate, and the regulator is used for detection and control of the entire device, and a control panel is arranged on one side of the base plate, and the control panel is electrically connected to the regulator.

[0008] Further improvements are: the adjustment mechanism includes a movable slide groove, a bidirectional screw, a movable slide seat, a fixed square column and an adjustable square cylinder, the movable slide grooves are symmetrically arranged on both sides of the base plate, a bidirectional screw is rotatably arranged in the movable slide groove through the bearing, a movable slide seat is arranged in the movable slide groove, a fixed square column is arranged on the movable slide seat, an adjustable square cylinder is arranged on the fixed square column, the adjustable square cylinder is sleeved on the outside of the fixed square column, and the vertical plate is fixedly arranged on the upper end of the adjustable square cylinder.

[0009] Further improvements are: the movable slide is adapted to the bidirectional screw thread, an adjusting motor is arranged on one side of the base plate, the output end of the adjusting motor is connected to the bidirectional screw for transmission, an elastic locking button is arranged on the outer side of the upper end of the fixed square column, and positioning holes are symmetrically distributed on the outer side of the adjusting square tube, and the elastic locking button is adapted to the positioning holes for positioning.

[0010] Further improvement is that: the moving mechanism includes side panels, adjusting screws, guide rods, moving seats and driving motors, the side panels are symmetrically arranged on the base plate, an adjusting screw is rotatably arranged in the middle of the side panels, guide rods are fixedly arranged between the side panels on both sides of the adjusting screws, a moving seat is movably arranged between the adjusting screws and the guide rods, a driving motor is arranged on one side of the side panel, the output end of the driving motor is connected to the adjusting screw for transmission, and the electric lifting rod is fixed on the moving seat.

[0011] A further improvement is that the positioning seat mechanism includes a positioning socket, a detachable support plate, a positioning pin and a quick release mechanism, the positioning sockets are symmetrically arranged on the lifting platform, the positioning pins are symmetrically arranged below the detachable support plate, a card slot is arranged on the same side of the lower end of the positioning pin, the positioning pin is correspondingly adapted to the positioning socket, and a quick release mechanism is arranged between the bottom of the lifting platform and the lower end of the positioning pin.

[0012] Further improvements are: the quick-release mechanism includes a movable slot plate, a movable frame, a locking pin plate, a compression spring and a pressing column; a movable frame is movably arranged under the lifting platform through the movable slot plate; a locking pin plate is symmetrically arranged in the movable frame; the locking pin plate is snap-fitted with the lower end of the positioning column pin, that is, it is snap-fitted with the slot at the lower end of the positioning column pin; a compression spring is arranged between one side of the movable frame and the movable slot plate; a pressing column is arranged on the other side of the movable frame through one side of the movable slot plate.

[0013] Further improvements are: the mounting frame is symmetrically provided with mounting holes, the Helmholtz coil is fixed on the mounting frame by bolts fitting into the mounting holes, a magnetic field strength sensor is embedded on the lifting platform, a fan is provided on one side of the base plate, and air inlet and outlet hoses are symmetrically provided on both sides of the fan.

[0014] A method for evaluating the effect of an electromagnetic field on a living body comprises the following steps:

[0015] Step 1: Feed animals on the device and record changes in the animals' feed intake;

[0016] Step 2: Conduct behavioral change tests on the animals after feeding for a certain period of time, including tail suspension test and water maze test;

[0017] Step 3: Conduct histopathological examination on the animals to evaluate pathological changes;

[0018] Step 4: Conduct reproductive system tests on the animals and evaluate changes in the reproductive system;

[0019] Step 5: Testing the body fluids and neurotransmitters of the animals to evaluate the changes in body fluids and neurotransmitters;

[0020] Step 6: Generate an impact assessment report based on the test and assessment items from step 1 to step 5.

[0021] A further improvement is that the tissue pathology test in step three includes digestive system pathology test, central nervous system pathology test, peripheral tissue pathology test and visceral organ pathology test.

[0022] The beneficial effects of the present invention are as follows: the present invention fully considers the different feeding environments of different types of animals, and can quickly disassemble and assemble feeding cages of different sizes and environments according to the positioning seat mechanism, and can synchronously replace Helmholtz coils of different sizes, which has stronger applicability;

[0023] Through multiple groups of adjustable installation structures, the action modes of various electromagnetic fields can be simulated. Not only can the strength of the animal magnetic field be measured, but also the health status of the animals after the test can be evaluated. Finally, the results of the impact of the magnetic field on the human body can be obtained through the evaluation method of the present invention, providing guidance for the evaluation of human body protection against electromagnetic fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is the front view of the device according to embodiment 1 of the present invention.

[0025] Figure 2 This is a front cross-sectional view of the device according to Example 1 of the present invention.

[0026] Figure 3 It is a side view of the device of Example 1 of the present invention.

[0027] Figure 4 It is a side sectional view of the device of Example 1 of the present invention.

[0028] Figure 5 This is a cross-sectional view of the quick-release mechanism of the device of Example 1 of the present invention.

[0029] Figure 6 This is a flow chart of the method of Example 2 of the present invention.

[0030] Among them: 1. Base plate; 2. Vertical plate; 3. Mounting frame; 4. Helmholtz coil; 5. Regulator; 6. Control panel; 7. Electric lifting rod; 8. Lifting platform; 9. Moving slide; 10. Bidirectional screw; 11. Moving slide seat; 12. Fixed square column; 13. Adjusting square tube; 14. Adjusting motor; 15. Elastic locking button; 16. Positioning hole; 17. Side plate; 18. Adjusting screw; 19. Guide rod; 20. Moving seat; 21. Driving motor; 22. Positioning socket; 23. Removable support plate; 24. Positioning column pin; 25. Movable slot plate; 26. Movable frame; 27. Locking pin plate; 28. Compression spring; 29. ​​Pressing column; 30. Mounting hole; 31. Bolt; 32. Magnetic field strength sensor; 33. Fan; 34. Inlet and outlet air hose. DETAILED DESCRIPTION

[0031] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0032] Example 1

[0033] according to Figure 1-Figure 5As shown, this embodiment provides a device for evaluating the influence of electromagnetic fields on organisms, including a base plate 1, an adjustment mechanism, a vertical plate 2, a mounting frame 3, a Helmholtz coil 4, an adjustment platform mechanism, a regulator 5 and a control panel 6. Vertical plates 2 are arranged on both sides of the base plate 1 through the adjustment mechanism, and mounting frames 3 are fixedly arranged on the opposite sides of the vertical plates 2. The mounting frames are in an X-shaped structure, and the Helmholtz coil 4 is detachably mounted on the mounting frame 3. The adjustment platform mechanism includes a moving mechanism, an electric lifting rod 7, a lifting platform 8 and a positioning seat mechanism. The base plate 1 is provided with an electric lifting rod 7 through the moving mechanism, and the lifting platform 8 is fixedly arranged on the electric lifting rod 7. Four groups of guide columns are symmetrically arranged below the lifting platform, and guide cylinders are symmetrically arranged on the moving seat directly below the guide columns. The guide columns and the guide cylinders are correspondingly plugged and guided to adapt, and a positioning seat mechanism is arranged on the lifting platform 8. A regulator 5 is arranged below the base plate 1, and the regulator is used for detection and control of the entire device. A control panel 6 is arranged on one side of the base plate 1, and the control panel is electrically connected to the regulator for issuing required control instructions.

[0034] The adjusting mechanism includes a movable slide groove 9, a bidirectional screw 10, a movable slide seat 11, a fixed square column 12 and an adjusting square cylinder 13. The movable slide grooves 9 are symmetrically arranged on both sides of the base plate 1. The bidirectional screw 10 is rotatably arranged in the movable slide groove 9 through the bearing. The movable slide seat 11 is arranged in the movable slide groove 9. The fixed square column 12 is arranged on the movable slide seat 11. The adjusting square cylinder 13 is arranged on the fixed square column 12. The adjusting square cylinder is sleeved on the outside of the fixed square column, and the vertical plate 2 is fixedly arranged on the upper end of the adjusting square cylinder 13.

[0035] The movable slide 11 is threadably matched with the bidirectional screw 10, an adjusting motor 14 is arranged on one side of the base plate 1, and the output end of the adjusting motor 14 is connected with the bidirectional screw 10 for transmission, an elastic locking button 15 is arranged on the outer side of the upper end of the fixed square column 12, and positioning holes 16 are symmetrically distributed on the outer side of the adjusting square tube 13. The elastic locking button 15 is matched with the positioning holes 16 for positioning, and is used to adjust the height of the Helmholtz coil so that animals of different sizes can be located at the center of the Helmholtz coil.

[0036] The moving mechanism includes side plates 17, adjusting screws 18, guide rods 19, moving seats 20 and driving motors 21. The side plates 17 are symmetrically arranged on the base plate 1. The adjusting screws 18 are rotatably arranged in the middle of the side plates 17. Guide rods 19 are fixedly arranged between the side plates 17 on both sides of the adjusting screws 18. The moving seat 20 is movably arranged between the adjusting screws 18 and the guide rods 19. A driving motor 21 is arranged on one side of the side plate 17. The output end of the driving motor 21 is connected to the adjusting screw 18 for transmission. The electric lifting rod 7 is fixed on the moving seat 20, and the upper structure is driven by the moving seat to move and adjust. The adjustment direction is perpendicular to the axial direction of the bidirectional screw in the adjustment mechanism.

[0037] The positioning seat mechanism includes a positioning socket 22, a detachable support plate 23, a positioning pin 24 and a quick release mechanism. The positioning socket 22 is symmetrically arranged on the lifting platform 8, and the positioning pins 24 are symmetrically arranged below the detachable support plate 23. A card slot is arranged on the same side as the lower end of the positioning pin. The positioning pin 24 is correspondingly adapted to the positioning socket 22, and a quick release mechanism is arranged between the bottom of the lifting platform 8 and the lower end of the positioning pin 24.

[0038] The quick-release mechanism includes a movable slot plate 25, a movable frame 26, a locking pin plate 27, a compression spring 28 and a pressing column 29. A movable frame 26 is movably arranged below the lifting platform 8 through the movable slot plate 25. The locking pin plates 27 are symmetrically arranged in the movable frame 26. The locking pin plates 27 are snap-fitted with the lower end of the positioning column pin 24, that is, snap-fitted with the slot at the lower end of the positioning column pin. A compression spring 28 is arranged between one side of the movable frame 26 and the movable slot plate 25, and a pressing column 29 is arranged on one side of the movable slot plate 25 on the other side of the movable frame 26, so as to realize the quick release and installation of the detachable support plate, which is convenient for fixing to the ground of breeding cages of different sizes after disassembly.

[0039] The mounting frame 3 is symmetrically provided with mounting holes 30, and the Helmholtz coil 4 is fixed on the mounting frame 3 by bolts 31 adapted to the mounting holes 30, so that the Helmholtz coils of different sizes can be replaced. The diameter of the coil device is set from 120cm to 30cm according to the size of different animals such as monkeys, rabbits, mice, guinea pigs, etc. A magnetic field strength sensor 32 is embedded on the lifting platform 8 to detect the magnetic field strength. A fan 33 is provided on one side of the base plate 1, and air inlet and outlet hoses 34 are symmetrically provided on both sides of the fan 33 for air circulation in some special breeding cages.

[0040] When the device is working, the noise is controlled not to exceed 60 decibels to reduce the abnormal stimulation of noise to animals; the temperature of the working area should meet the normal temperature requirements for animal breeding, usually set to 20-26°C. If special animals are used, the temperature of the working area of ​​the device should be adjustable; the lighting in the working area should meet the normal requirements of light intensity for animals, usually 15-20lx for rodents and 100-200lx for other animals.

[0041] At the same time, when using animals for experiments, the impact of magnetic field strength on surrounding experimental equipment should also be considered. It is recommended to conduct the experiments in an independent environment, or to detect the magnetic field strength around the equipment to avoid affecting surrounding equipment and personnel health.

[0042] Example 2

[0043] according to Figure 6 As shown, this embodiment provides a method for evaluating the effect of an electromagnetic field on a biological body, comprising the following steps:

[0044] Step 1: Feed animals on the device and record changes in the animals' feed intake;

[0045] Step 2: Conduct behavioral change tests on the animals after feeding for a certain period of time, including tail suspension test and water maze test;

[0046] Step 3: Conduct histopathological examination on the animals to evaluate pathological changes;

[0047] Including digestive system pathology testing, central nervous system pathology testing, peripheral tissue pathology testing and visceral organ pathology testing.

[0048] Step 4: Conduct reproductive system tests on the animals and evaluate changes in the reproductive system;

[0049] Step 5: Testing the body fluids and neurotransmitters of the animals to evaluate the changes in body fluids and neurotransmitters;

[0050] Step 6: Generate an impact assessment report based on the test and assessment items from step 1 to step 5.

[0051] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for evaluating the effect of electromagnetic fields on a living body, characterized in that: The invention comprises a base plate (1), an adjustment mechanism, a vertical plate (2), a mounting frame (3), a Helmholtz coil (4), an adjustment platform mechanism, a controller (5) and a control panel (6); the base plate (1) is provided with vertical plates (2) on both sides through the adjustment mechanism; the vertical plates (2) are provided with a mounting frame (3) on the opposite side; the mounting frame (3) is provided with a Helmholtz coil (4); the adjustment platform mechanism comprises a moving mechanism, an electric lifting rod (7), a lifting platform (8) and a positioning seat mechanism; the base plate (1) is provided with an electric lifting rod (7) through the moving mechanism; the electric lifting rod (7) is provided with a lifting platform (8); the lifting platform (8) is provided with a positioning seat mechanism; the controller (5) is provided below the base plate (1); and the control panel (6) is provided on one side of the base plate (1).

2. A device for evaluating the effect of electromagnetic fields on organisms according to claim 1, characterized in that: The adjustment mechanism comprises a movable slide groove (9), a bidirectional screw rod (10), a movable slide seat (11), a fixed square column (12) and an adjustment square tube (13); the movable slide grooves (9) are symmetrically arranged on both sides of the base plate (1); a bidirectional screw rod (10) is passed through the movable slide groove (9); a movable slide seat (11) is arranged in the movable slide groove (9); a fixed square column (12) is arranged on the movable slide seat (11); an adjustment square tube (13) is arranged on the fixed square column (12); and the vertical plate (2) is arranged at the upper end of the adjustment square tube (13).

3. A device for evaluating the effect of electromagnetic fields on organisms according to claim 2, characterized in that: The movable slide seat (11) is threadably matched with the bidirectional screw rod (10); an adjusting motor (14) is provided on one side of the base plate (1); an output end of the adjusting motor (14) is connected to the bidirectional screw rod (10) for transmission; an elastic locking button (15) is provided on the outer side of the upper end of the fixed square column (12); positioning holes (16) are symmetrically distributed on the outer side surface of the adjusting square tube (13); and the elastic locking button (15) is matched with the positioning holes (16) for positioning.

4. The device for evaluating the effect of electromagnetic fields on organisms according to claim 1, characterized in that: The moving mechanism comprises a side plate (17), an adjusting screw (18), a guide rod (19), a moving seat (20) and a driving motor (21); the side plates (17) are symmetrically arranged on the base plate (1); an adjusting screw (18) is arranged in the middle of the side plates (17); a guide rod (19) is arranged between the side plates (17) on both sides of the adjusting screw (18); a moving seat (20) is arranged between the adjusting screw (18) and the guide rod (19); a driving motor (21) is arranged on one side of the side plate (17); an output end of the driving motor (21) is connected to the adjusting screw (18) for transmission; and the electric lifting rod (7) is fixed on the moving seat (20).

5. The device for evaluating the effect of electromagnetic fields on organisms according to claim 1, characterized in that: The positioning seat mechanism comprises a positioning socket (22), a detachable support plate (23), a positioning column pin (24) and a quick release mechanism. The positioning socket (22) is symmetrically arranged on the lifting platform (8), and the positioning column pin (24) is symmetrically arranged below the detachable support plate (23). The positioning column pin (24) is correspondingly matched with the positioning socket (22), and a quick release mechanism is arranged between the bottom of the lifting platform (8) and the lower end of the positioning column pin (24).

6. The device for evaluating the effect of electromagnetic fields on organisms according to claim 5, characterized in that: The quick release mechanism comprises a movable slot plate (25), a movable frame (26), a locking pin plate (27), a compression spring (28) and a pressing column (29); a movable frame (26) is provided below the lifting platform (8) through the movable slot plate (25); a locking pin plate (27) is symmetrically provided in the movable frame (26); the locking pin plate (27) is snap-fitted with the lower end of the positioning column pin (24); a compression spring (28) is provided between one side of the movable frame (26) and the movable slot plate (25); and a pressing column (29) is provided on the other side of the movable frame (26) and passes through one side of the movable slot plate (25).

7. The device for evaluating the effect of electromagnetic fields on a living body according to claim 1, characterized in that: The mounting frame (3) is symmetrically provided with mounting holes (30); the Helmholtz coil (4) is fixed to the mounting frame (3) by means of bolts (31) adapted to the mounting holes (30); a magnetic field intensity sensor (32) is embedded on the lifting platform (8); a fan (33) is provided on one side of the base plate (1); and air inlet and outlet hoses (34) are symmetrically provided on both sides of the fan (33).

8. A method for evaluating the effect of electromagnetic fields on a living body, characterized in that: The following steps are involved: Step 1: Feed animals on the device and record changes in the animals' feed intake; Step 2: Conduct behavioral change tests on the animals after feeding for a certain period of time, including tail suspension test and water maze test; Step 3: Conduct histopathological examination on the animals to evaluate pathological changes; Step 4: Conduct reproductive system tests on the animals and evaluate changes in the reproductive system; Step 5: Testing the body fluids and neurotransmitters of the animals to evaluate the changes in body fluids and neurotransmitters; Step 6: Generate an impact assessment report based on the test and assessment items from step 1 to step 5.

9. A method for evaluating the effect of electromagnetic fields on organisms according to claim 8, characterized in that: The tissue pathology test in step three includes digestive system pathology test, central nervous system pathology test, peripheral tissue pathology test and visceral organ pathology test.

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