CN114843063B - Controllable magnetic field device for electrochemical test - Google Patents
Controllable magnetic field device for electrochemical test Download PDFInfo
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- CN114843063B CN114843063B CN202210472135.2A CN202210472135A CN114843063B CN 114843063 B CN114843063 B CN 114843063B CN 202210472135 A CN202210472135 A CN 202210472135A CN 114843063 B CN114843063 B CN 114843063B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
Abstract
The invention provides a controllable magnetic field device for electrochemical test, comprising: the test device comprises an outer cover, a close-wound solenoid, a test board, a current controller and a base, wherein the close-wound solenoid is arranged in the outer cover and electrically connected with the current controller, the current controller is communicated with an external circuit, the outer cover and the test board are arranged on two sides of the base at intervals, and the test board is in sliding connection with the base; the test board slides into the outer cover to perform electrochemical test, so that the problem that the magnetic induction intensity is unstable and uncontrollable when a permanent magnet is adopted for electrocatalysis in the electrochemical test is solved.
Description
Technical Field
The invention relates to the technical field of electrochemical tests, in particular to a controllable magnetic field device for electrochemical tests.
Background
In recent years, researchers find that the catalytic reaction efficiency can be effectively improved by adding a magnetic field in the electrocatalytic reaction process, such as iron, nickel and other ferromagnetic materials;
however, due to the lack of related equipment, the use of the magnetic field in these researches is simple, usually, a common permanent magnet is placed near an electrolytic cell, and even if the common permanent magnet is measured by a gauss magnetometer, the magnetic induction intensities at different positions on the surface of the magnet are found to be different, the attenuation outside the magnetic field of the common ferrite is large, most of the common magnets are symmetric bodies such as rings and rectangles, the stability of the placing position is difficult to maintain in use, the influence on the experimental result is too large, the magnetic induction intensity cannot be adjusted, and the research of the related reaction mechanism is hindered;
therefore, a device capable of generating a stable and controllable magnetic field is needed, which simplifies the operation process and reduces the experimental error.
Disclosure of Invention
The invention provides a controllable magnetic field device for electrochemical test, which is used for solving the problem that the magnetic induction intensity is unstable and uncontrollable when a permanent magnet is adopted for electrocatalysis in the electrochemical test.
A controllable magnetic field apparatus for electrochemical testing, comprising: the test device comprises an outer cover, a close-wound solenoid, a test board, a current controller and a base, wherein the close-wound solenoid is arranged in the outer cover and electrically connected with the current controller, the current controller is communicated with an external circuit, the outer cover and the test board are arranged on two sides of the base at intervals, and the test board is in sliding connection with the base;
the test table slides into the housing for electrochemical testing.
Preferably, the one end that the test bench was kept away from to the dustcoat can be dismantled and be provided with preceding top cap, the one side that the dustcoat was kept away from to the test bench is provided with the back top cap, the one side that the back top cap is close to the test bench is provided with the magnetometer probe, the magnetometer is connected to magnetometer probe electricity, the magnetometer probe is used for detecting the interior magnetic induction intensity of dustcoat.
Preferably, one side, far away from the test board, of the rear top cover is provided with a magnetometer support, the magnetometer support comprises a connecting rod assembly and a clamp, one end of the connecting rod assembly is connected with the rear top cover, the other end of the connecting rod assembly is connected with the clamp, and the clamp is used for detachably mounting a magnetometer;
the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first connecting rod is hinged to the second connecting rod, one end, far away from the first connecting rod, of the second connecting rod is hinged to the rear top cover, and one end, far away from the second connecting rod, of the first connecting rod is rotatably connected with the clamp.
Preferably, an electrolytic cell is arranged on the upper surface of the test board, and the magnetometer probe is arranged on one side, close to the rear top cover, of the electrolytic cell.
Preferably, the current controller is arranged in a distribution box, the distribution box is arranged on the upper surface of the base, and the current controller is electrically connected with two ends of the tightly wound solenoid;
the current controller is used for adjusting the current passing through the close-wound solenoid.
Preferably, a first support is arranged on one side, close to the base, of the rear top cover, a mounting plate is arranged at one end, close to the base, of the first support, sliders are arranged on one side, close to the base, of the mounting plate at intervals, the sliders are arranged in sliding guide rails in a sliding mode, and the two groups of sliding guide rails are arranged on the upper surface of the bottom plate at intervals respectively;
the outer cover is of a tubular structure;
the sliding guide rail is arranged in parallel to the axial direction of the tubular structure;
a plurality of second supports are arranged on one side, close to the base, of the outer cover at intervals, and one end, far away from the outer cover, of each second support is arranged on the upper surface of the base.
Preferably, the rear top cover is provided with a plurality of holes, and each hole is used for installing an electrochemical test wire and the magnetometer probe.
Preferably, the outer cover is made of a low-affinity magnetic metal material.
Preferably, the multifunctional electric tool further comprises a lock catch, wherein the lock catch comprises U-shaped parts and I-shaped parts, the U-shaped parts comprise first U-shaped parts and second U-shaped parts, two groups of the first U-shaped parts are arranged on the circumferential outer wall of the outer cover at intervals respectively, the first U-shaped parts are arranged at one end, close to the rear top cover, of the outer cover, and two groups of the second U-shaped parts are arranged on the circumferential outer wall of the rear top cover at intervals respectively;
the first U-shaped piece opening is far away from the outer cover, and the second U-shaped piece opening is far away from the circumferential outer wall of the rear top cover;
the two groups of the workpiece parts are respectively and rotatably connected with the inner wall of the opening of the first U-shaped part;
one end of the I-shaped piece is rotatably connected with the inner wall of the first U-shaped piece, and the other end of the I-shaped piece is used for clamping the second U-shaped piece.
Preferably, the I-shaped member comprises a hinge rod, a screw rod and a nut, two ends of the hinge rod are rotatably connected with the inner wall of the opening of the second U-shaped member, the screw rod is arranged at the middle end of the hinge rod, one end of the screw rod, which is far away from the hinge rod, is connected with the nut in a threaded manner, and the hinge rod, the screw rod and the nut form an I-shaped structure;
the nut is used for abutting against one surface, far away from the outer cover, of the second U-shaped piece.
Preferably, the device comprises an outer cover inner wall cleaning device, the outer cover inner wall cleaning device comprises a motor, the motor is arranged on one surface of the front top cover, which is far away from the outer cover, the driving end of the motor penetrates through the front top cover and is connected with one end of an S rod, the other end of the S rod is rotatably connected with the axis of a third gear, one end of the S rod, which is close to the front top cover, is rotatably arranged in an installation sleeve, the installation sleeve is arranged at the center of the front top cover, a second gear is arranged on one surface of the third gear, which is far away from the S rod, the circumferential outer wall of the second gear is meshed with the first gear, an installation block is arranged on one surface of the first gear, which is far away from the front top cover, and the installation block is arranged on one end of the test board, which is far away from the rear top cover;
one side of the second gear, which is far away from the third gear, is provided with an air exchange fan mounting hole, the inner wall of the air exchange fan mounting hole is used for mounting an air exchange fan, and the air exchange fan is electrically connected with the power distribution box;
third gear circumference outer wall is provided with clean cotton, clean cotton is the loop configuration, the loop configuration cover is established third gear circumference outer wall.
The working principle and the beneficial effects of the invention are as follows:
the method comprises the steps of opening an electrochemical workstation in advance for preheating, opening a current controller after preheating is finished, enabling a close-wound solenoid to be electrified to form a magnetic field in an outer cover, arranging a sample to be tested on a test board, pushing the test board to slide and enter the outer cover, adjusting the current passing through the close-wound solenoid through the current controller, adjusting the intensity of the magnetic field in the outer cover, gradually reducing the current passing through the close-wound solenoid through the current controller after testing is finished, closing the current controller and a power supply until the current passing through the close-wound solenoid is 0, moving out the test board, and taking out the sample;
close around solenoid circular telegram and form magnetic field in the dustcoat, for the permanent magnet, the structure is more stable, magnetic induction intensity size is unanimous basically, and the magnetic induction intensity in the regulation dustcoat that can be portable reduces experimental error, improves the reliability of experimental result.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a controllable magnetic field apparatus according to an embodiment of the present invention;
FIG. 2 is a left side view of a controllable magnetic field apparatus according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a housing in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a cleaning device for an inner wall of an outer cover according to an embodiment of the present invention;
FIG. 5 is a schematic view of a cleaning pad installation according to an embodiment of the present invention.
The device comprises a shell, a 2-close-wound solenoid, a 3-test bench, a 4-base, a 5-front top cover, a 6-rear top cover, a 7-clamp, a 8-first connecting rod, a 9-second connecting rod, a 10-magnetometer, a 11-magnetometer probe, a 12-distribution box, a 13-first support, a 14-sliding block, a 15-sliding guide rail, a 16-mounting plate, a 17-second support, an 18-hole, a 19-first U-shaped piece, a 20-second U-shaped piece, a 21-I-shaped piece, a 22-electrolytic cell, a 23-mounting block, a 24-first gear, a 25-second gear, a 26-third gear, a 27-motor, a 28-mounting sleeve, a 29-S rod, a 30-ventilator mounting hole and 31-cleaning cotton.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the present invention provides a controllable magnetic field apparatus for electrochemical testing, as shown in fig. 1 to 3, including: the test device comprises a housing 1, a close-wound solenoid 2, a test board 3, a current controller and a base 4, wherein the close-wound solenoid 2 is arranged in the housing 1, the close-wound solenoid 2 is electrically connected with the current controller, the current controller is communicated with an external circuit, the housing 1 and the test board 3 are arranged on two sides of the base 4 at intervals, and the test board 3 is connected with the base 4 in a sliding manner;
the test bench 3 is slid into the housing 1 for electrochemical testing.
The working principle and the beneficial effects of the technical scheme are as follows:
an electrochemical workstation is opened in advance for preheating, a current controller is opened after preheating is finished, current passes through a close winding solenoid 2, the close winding solenoid 2 is electrified to form a magnetic field in an outer cover 1, a sample to be tested is arranged on a test table 3, the test table 3 is pushed to slide and enter the outer cover 1, whether current in a circuit flows or not is controlled through the current controller, the current controller is used for adjusting the current passing through the close winding solenoid 2, so that the intensity of the magnetic field in the outer cover 1 is adjusted, the current controller is used for adjusting the current passing through the close winding solenoid 2 after testing is finished, until the current passing through the close winding solenoid 2 is 0, a power supply and a current regulator are closed, the test table 3 is moved out, and the sample is taken out;
close around solenoid 2 circular telegram and form magnetic field in dustcoat 1, for the permanent magnet, the structure is more stable, magnetic induction intensity size is unanimous basically, and the portable regulation dustcoat 1 internal magnetic induction intensity that just can reduce the experimental error, improves the reliability of experimental result.
In one embodiment, a front top cover 5 is detachably arranged at one end, far away from the test board 3, of the outer cover 1, a rear top cover 6 is arranged on one side, far away from the outer cover 1, of the test board 3, a magnetometer probe 11 is arranged on one surface, close to the test board 3, of the rear top cover 6, the magnetometer probe 11 is electrically connected with a magnetometer 10, and the magnetometer probe 11 is used for detecting magnetic induction intensity in the outer cover 1.
A magnetometer bracket is arranged on one surface, away from the test board 3, of the rear top cover 6, the magnetometer bracket comprises a connecting rod assembly and a clamp 7, one end of the connecting rod assembly is connected with the rear top cover 6, the other end of the connecting rod assembly is connected with the clamp 7, and the clamp 7 is used for detachably mounting a magnetometer 10;
the connecting rod assembly comprises a first connecting rod 8 and a second connecting rod 9, the first connecting rod 8 is hinged to the second connecting rod 9, one end, far away from the first connecting rod 8, of the second connecting rod 9 is hinged to the rear top cover 6, and one end, far away from the second connecting rod 9, of the first connecting rod 8 is rotatably connected with the clamp 7.
An electrolytic cell 22 is arranged on the upper surface of the test bench 3, and the magnetometer probe 11 is arranged on one side of the electrolytic cell 22 close to the rear top cover 6.
The current controller is arranged in a distribution box 12, the distribution box 12 is arranged on the upper surface of the base 4, and the current controller is electrically connected with two ends of the tightly wound solenoid 2;
the current controller is used for adjusting the current passing through the close-wound solenoid 2.
A first bracket 13 is arranged on one side, close to the base 4, of the rear top cover 6, a mounting plate 16 is arranged at one end, close to the base 4, of the first bracket 13, sliders 14 are arranged on one side, close to the base 4, of the mounting plate 16 at intervals, the sliders 14 are arranged in sliding guide rails 15 in a sliding mode, and the two groups of sliding guide rails 15 are arranged on the upper surface of the bottom plate at intervals;
the outer cover 1 is of a tubular structure;
the sliding guide rail 15 is arranged parallel to the axial direction of the tubular structure;
a plurality of second brackets 17 are arranged on one side of the outer cover 1 close to the base 4 at intervals, and one end of each second bracket 17 far away from the outer cover 1 is arranged on the upper surface of the base 4.
The rear top cover 6 is provided with a plurality of holes 18, and each hole 18 is used for installing an electrochemical test wire and the magnetometer probe 11.
The working principle and the beneficial effects of the technical scheme are as follows:
the front top cover 5 is detachably connected with one end of the outer cover 1, so that the outer cover 1 is more convenient to maintain or clean the inner wall, a boss is optionally arranged on one side, close to the outer cover 1, of the front top cover 5, external threads are arranged on the peripheral outer wall of the boss, internal threads are arranged at one end, close to the front top cover 5, of the outer cover 1, so that the front top cover 5 is in threaded connection with the outer cover 1, the stability of the device during operation can be improved, and the shaking of the device is reduced;
after the test board 3 is pushed to enter the outer cover 1, the close-wound solenoid 2 is electrified to form a stable magnetic field in the outer cover 1, the magnetometer probe 11 detects the change of the magnetic field intensity in the outer cover 1 at any time, the detection data are transmitted to the magnetometer 10, the magnetometer 10 can display the current magnetic field intensity in the outer cover 1, the magnetometer 10 and the magnetometer probe 11 are arranged, the visualization of the magnetic field intensity in the outer cover 1 is realized, and the reliability of experimental data is improved;
the arrangement of the connecting rod assembly enables the position of the magnetometer 10 to be adjustable, data displayed by the magnetometer 10 can be observed conveniently in an experiment, when the position of the magnetometer 10 needs to be adjusted, the clamp 7 is held and pulled, at the moment, the first connecting rod 8 is hinged to the second connecting rod 9, the first connecting rod 8 can rotate on the second connecting rod 9 in multiple angles, the second connecting rod 9 is hinged to the rear top cover 6, the second connecting rod 9 can rotate on the rear top cover 6 in multiple angles, the position of the clamp 7 can be adjusted in multiple angles, the clamp 7 is hinged to the first connecting rod 8, the clamp 7 can rotate on the first connecting rod 8 in multiple angles, the adjustment flexibility is improved, and data can be observed conveniently;
the current controller is arranged in the distribution box 12, the distribution box can supply power for the device, when the magnetic field intensity in the housing 1 needs to be adjusted, the current controller is adjusted, so that the current passing through the tightly wound solenoid 2 is increased or reduced, and the specific relation is as follows:
H＝N×I/L e
wherein H is magnetic field intensity, N is the number of turns of the exciting coil, I is exciting current, and L e Effective magnetic path length;
when the current passing through the close-wound solenoid 2 increases, the magnetic field intensity generated by the close-wound solenoid 2 increases, and when the current passing through the close-wound solenoid 2 decreases, the magnetic field intensity decreases;
the magnetic field intensity in the outer cover 1 can be adjusted through the current controller, compared with the magnetic field generated by the permanent magnet, the close-wound solenoid 2 can generate a stable and controllable magnetic field, the operation is simple, and the experimental error is small;
the arrangement of the holes 18 can install electrochemical test wires in the holes 18, so that the equipment can be widely applied to electrochemical test experiments, the inner wall of each hole 18 can be provided with internal threads which are in threaded connection with an instrument to be installed, the installation stability of the detection equipment is improved, and the portability of replacement and maintenance can be improved by detachable connection;
after the experiment preparation is finished, the rear top cover 6 is pushed, so that the sliding block 14 slides in the sliding guide rail 15, and the detection table 3 can stably slide into the outer cover 1 to carry out an electrochemical experiment;
the electrolytic cell 22 is used to provide an electrolytic platform for electrolysis experiments.
In one embodiment, the housing 1 is made of a low-affinity magnetic metal material.
The working principle and the beneficial effects of the technical scheme are as follows:
the outer cover 1 can be made of wrought iron, the carbon content of the wrought iron is low, the outer cover 1 can be effectively prevented from being magnetized, an internal coil can be protected, the effect of an external magnetic field can be shielded, and the influence of the external magnetic field on experimental data can be reduced;
the outer cover 1 circumference outer wall is provided with the preformed hole, and the preformed hole is used for the electric current controller of close wound solenoid 2 electricity.
In one embodiment, the lock catch further comprises a U-shaped part and an I-shaped part 21, the U-shaped part comprises a first U-shaped part 19 and a second U-shaped part 20, the first U-shaped part is provided with two groups and is respectively arranged on the circumferential outer wall of the outer cover 1 at intervals, the first U-shaped part 19 is arranged at one end of the outer cover 1 close to the rear top cover 6, and the second U-shaped part 20 is provided with two groups and is respectively arranged on the circumferential outer wall of the rear top cover 6 at intervals;
the first U-shaped part 19 is arranged far away from the outer cover 1 in an opening mode, and the second U-shaped part 20 is arranged far away from the circumferential outer wall of the rear top cover 6;
the two groups of the I-shaped parts 21 are respectively and rotatably connected with the inner wall of the opening of the first U-shaped part 19;
one end of the I-shaped member 21 is rotatably connected with the inner wall of the first U-shaped member 19, and the other end is used for clamping the second U-shaped member 20.
The I-shaped part 21 comprises a hinge rod, a screw rod and a nut, two ends of the hinge rod are rotatably connected with the inner wall of the opening of the second U-shaped part 20, the screw rod is arranged at the middle end of the hinge rod, one end of the screw rod, which is far away from the hinge rod, is in threaded connection with the nut, and the hinge rod, the screw rod and the nut form an I-shaped structure;
the nut is used for abutting against one surface of the second U-shaped element 20 far away from the outer cover 1.
The working principle and the beneficial effects of the technical scheme are as follows:
the lock catch is used for pushing the test board 3 into the outer cover, and the rear top cover 6 can be connected with the outer cover 1, so that the stable operation of the test platform during testing is ensured;
when the rear top cover 6 abuts against one end of the outer cover 1, the screw rod of the first U-shaped part 19 is rotated, the screw rod swings into the opening of the second U-shaped part 20 around the hinge rod, the screw cap on the screw rod is screwed, so that the screw cap tightly abuts against one side, away from the outer cover 1, of the second U-shaped part 20, at the moment, the rear top cover 6 is connected with the outer cover 1, and in an experiment, the rear top cover 6 cannot slide on the sliding guide rail 15.
In one embodiment, the device further comprises a housing inner wall cleaning device, the housing inner wall cleaning device comprises a motor 27, the motor 27 is arranged on one surface of the front top cover 5 far away from the housing 1, the driving end of the motor 27 penetrates through the front top cover 5 and is connected with one end of an S-rod 29, the other end of the S-rod 29 is rotatably connected with the axis of a third gear 26, one end of the S-rod 29 close to the front top cover 5 is rotatably arranged in a mounting sleeve 28, the mounting sleeve 28 is arranged at the center of the front top cover 5, one surface of the third gear 26 far away from the S-rod 29 is provided with a second gear 25, the circumferential outer wall of the second gear 25 is meshed with a first gear 24, one surface of the first gear 24 far away from the front top cover 5 is provided with a mounting block 23, and the mounting block 23 is arranged at one end of the test bench 3 far away from the rear top cover 6;
a ventilator mounting hole 30 is formed in one surface, away from the third gear 26, of the second gear 25, and the inner wall of the ventilator mounting hole 30 is used for mounting a ventilator which is electrically connected with the distribution box 12;
The working principle and the beneficial effects of the embodiment are as follows:
when the test bench 3 is pushed into the outer cover 1 to perform an experiment, the test bench 3 drives the mounting block 23 and the first gear 24 to move towards the second gear 25, when the rear top cover 6 abuts against one end of the outer cover 1, the first gear 24 is meshed with the second gear 25, after the rear top cover 6 is fixed, the distribution box 12 is utilized to start the ventilating fan, the fan blades of the ventilating fan rotate and discharge air at one end of the outer cover 1 to the other end, so that the air in the outer cover 1 can circulate, the tightly wound solenoid 2 is cooled, the temperature rise caused by long-time energization of the tightly wound solenoid 2 is prevented, the internal temperature change influences an experiment result, and even the tightly wound solenoid 2 generates heat seriously to cause serious aging of rubber outside the solenoid;
in addition, when the electrolytic cell 22 is used for an electrolysis experiment, because the electrolytic cell 22 is not completely sealed, hydrogen and oxygen generated by electrolysis are mixed and are exploded due to electric sparks or static electricity, the front top cover 5 is provided with air holes matched with the holes 18, and leaked hydrogen and oxygen are discharged into the air through the ventilation fan, so that easy-combustion gas is prevented from being accumulated in the outer cover 1;
in addition, before or after the experiment is started or finished, the motor 27 is started, the motor 27 rotates to drive the S rod 29 to rotate, the S rod 29 rotates to drive the third gear 26 to rotate around the axis of the mounting sleeve 28, the second gear 25 is connected with the third gear 26, the second gear 25 rotates along with the third gear 26, the second gear 25 is meshed with the first gear 24, the first gear 24 is fixed on the test bench 3 through the mounting block 23, when the third gear 26 and the second gear 25 rotate on the S rod 29, the second gear 25 drives the third gear 26 to conduct self-transmission around one end of the S rod, so that the cleaning cotton 31 on the circumferential outer wall of the third gear 26 cleans the close-wound solenoid coil 2 on the inner wall of the outer cover 1, dust accumulation on the outer wall of the close-wound solenoid 2 is prevented, the solenoid generates heat seriously after being electrified, and when a rubber layer arranged on the outer wall of the close-wound solenoid 2 is heated and melted, a bare lead is easily electrified to enable combustible gas generated by electrolysis to burn, and the safety of the experiment is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A controllable magnetic field apparatus for electrochemical testing, comprising: the test device comprises an outer cover (1), a close-wound solenoid (2), a test board (3), a current controller and a base (4), wherein the close-wound solenoid (2) is arranged in the outer cover (1), the close-wound solenoid (2) is electrically connected with the current controller, the current controller is communicated with an external circuit, the outer cover (1) and the test board (3) are arranged on two sides of the base (4) at intervals, and the test board (3) is in sliding connection with the base (4);
the test bench (3) slides into the outer cover (1) to perform electrochemical test;
a front top cover (5) is detachably arranged at one end, far away from the test board (3), of the outer cover (1), a rear top cover (6) is arranged at one side, far away from the outer cover (1), of the test board (3), a magnetometer probe (11) is arranged at one side, close to the test board (3), of the rear top cover (6), the magnetometer probe (11) is electrically connected with a magnetometer (10), and the magnetometer probe (11) is used for detecting the magnetic induction intensity in the outer cover (1);
a magnetometer bracket is arranged on one surface, away from the test bench (3), of the rear top cover (6), the magnetometer bracket comprises a connecting rod assembly and a clamp (7), one end of the connecting rod assembly is connected with the rear top cover (6), the other end of the connecting rod assembly is connected with the clamp (7), and the clamp (7) is used for detachably mounting a magnetometer (10);
the connecting rod assembly comprises a first connecting rod (8) and a second connecting rod (9), the first connecting rod (8) is hinged to the second connecting rod (9), one end, far away from the first connecting rod (8), of the second connecting rod (9) is hinged to the rear top cover (6), and one end, far away from the second connecting rod (9), of the first connecting rod (8) is rotatably connected with the clamp (7).
2. The controllable magnetic field device for electrochemical tests according to claim 1, characterized in that the test bench (3) is provided with an electrolytic cell (22) on its upper surface, and the magnetometer probe (11) is arranged on the electrolytic cell (22) on the side close to the rear top cover (6).
3. The controllable magnetic field apparatus for electrochemical testing according to claim 1, wherein the current controller is disposed in a distribution box (12), the distribution box (12) is disposed on the upper surface of the base (4), and the current controller is electrically connected to two ends of the tightly wound solenoid (2);
the current controller is used for adjusting the current passing through the close-wound solenoid (2).
4. The controllable magnetic field device for electrochemical test according to claim 1, wherein a first bracket (13) is disposed on a side of the rear top cover (6) close to the base (4), a mounting plate (16) is disposed on an end of the first bracket (13) close to the base (4), sliders (14) are disposed at intervals on a surface of the mounting plate (16) close to the base (4), the sliders (14) are slidably disposed in the sliding guide rails (15), and two sets of the sliding guide rails (15) are disposed and spaced on the upper surface of the bottom plate respectively;
the outer cover (1) is of a tubular structure;
the sliding guide rail (15) is arranged in parallel to the axial direction of the tubular structure;
one side of the outer cover (1) close to the base (4) is provided with a plurality of second supports (17) at intervals, and one end of each second support (17) far away from the outer cover (1) is arranged on the upper surface of the base (4).
5. The controllable magnetic field apparatus for electrochemical testing according to claim 1, wherein the back cover (6) is provided with a plurality of holes (18), each hole (18) being adapted to receive an electrochemical test wire and the magnetometer probe (11).
6. The controllable magnetic field device for the electrochemical test according to claim 1, further comprising a latch, wherein the latch comprises a U-shaped member and an i-shaped member (21), the U-shaped member comprises a first U-shaped member (19) and a second U-shaped member (20), the first U-shaped member is provided with two sets, and the two sets are respectively arranged at intervals on the circumferential outer wall of the outer cover (1), the first U-shaped member (19) is arranged at one end of the outer cover (1) close to the rear top cover (6), and the second U-shaped member (20) is provided with two sets, and the two sets are respectively arranged at intervals on the circumferential outer wall of the rear top cover (6);
the opening of the first U-shaped part (19) is arranged far away from the outer cover (1), and the second U-shaped part (20) is arranged far away from the circumferential outer wall of the rear top cover (6);
the two groups of the I-shaped parts (21) are respectively and rotatably connected with the inner wall of the opening of the first U-shaped part (19);
one end of the I-shaped part (21) is rotatably connected with the inner wall of the first U-shaped part (19), and the other end of the I-shaped part is used for clamping the second U-shaped part (20).
7. The controllable magnetic field device for electrochemical test according to claim 6, wherein the i-shaped member (21) comprises a hinge rod, a screw rod and a nut, two ends of the hinge rod are rotatably connected with the inner wall of the opening of the second U-shaped member (20), the screw rod is arranged at the middle end of the hinge rod, one end of the screw rod, which is far away from the hinge rod, is connected with the nut in a threaded manner, and the hinge rod, the screw rod and the nut form an i-shaped structure;
the screw cap is used for abutting against one surface of the second U-shaped piece (20) far away from the outer cover (1).
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| CA2969347A1 (en) * | 2014-12-23 | 2016-06-30 | Commonwealth Scientific And Industrial Research Organisation | Electrochemical testing system |
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| CN111830121B (en) * | 2020-07-26 | 2022-11-11 | 吉林大学 | Device and method for testing magneto-deformation material under controllable magnetic field environment |
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| CN203551757U (en) * | 2013-10-18 | 2014-04-16 | 黄河科技学院 | Experimental device used for measuring solenoid axis magnetic induction intensity by adopting Hall effect method |
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