CN119375792A - Electromagnet performance detection device and use method - Google Patents
Electromagnet performance detection device and use method Download PDFInfo
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- CN119375792A CN119375792A CN202411312032.5A CN202411312032A CN119375792A CN 119375792 A CN119375792 A CN 119375792A CN 202411312032 A CN202411312032 A CN 202411312032A CN 119375792 A CN119375792 A CN 119375792A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1253—Measuring galvano-magnetic properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
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- Condensed Matter Physics & Semiconductors (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an electromagnet performance detection device, which comprises a distance measuring component and a force measuring component, wherein the distance measuring component is used for measuring the distance between an electromagnet and a force sensor, and the force measuring component is used for measuring the impact force of the electromagnet on the force sensor. The device has simple structure, simple operation and high degree of automation, can generate a detailed characteristic curve by measuring dynamic action data of the electromagnet in a short time and compare the characteristic curve with a standard curve, thereby rapidly and accurately positioning fault points to complete comprehensive detection of the performance of the electromagnet, particularly can effectively detect hidden danger such as mechanical jamming and iron core magnetization, greatly improves the efficiency of overhaul and maintenance, saves labor and time cost, and simultaneously has more convenient detection and maintenance of equipment due to portability and intelligent design and effectively reduces risks caused by equipment performance problems in the maintenance process.
Description
Technical Field
The invention relates to the technical field of electrical testing, in particular to an electromagnet performance detection device and a use method thereof.
Background
The electromagnet is an important component part of the opening and closing operating mechanism of the circuit breaker, and the performance of the electromagnet directly influences the opening and closing reliability of the circuit breaker. If the electromagnet performance is poor, the circuit breaker can be refused to operate, thereby causing equipment failure and even causing large-area power failure accidents. In order to ensure the normal operation of the circuit breaker, the performance of the electromagnet needs to be comprehensively and accurately tested by a worker.
At present, aiming at the testing means of the performance of the electromagnet, feedback of potential hazards in the mechanical aspect such as electromagnetic force reduction caused by mechanical clamping and iron core magnetization is not obvious, fault points cannot be rapidly and accurately positioned, and overhaul efficiency is affected.
Therefore, the electromagnet performance detection device is simple to operate and high in efficiency, pulse voltage input and output can be utilized to detect the turn-to-turn insulation condition of the coil after passing current, unqualified coils are prevented from flowing into spare parts or being installed on equipment, large-area power failure accidents caused by the refusal of a circuit breaker due to the damage of the coils are eliminated from the source, operation, maintenance and repair work are facilitated, time and labor are saved, and the working efficiency of workers is improved.
Disclosure of Invention
The present invention has been made in view of the above-mentioned problems occurring in the prior art.
Therefore, the invention aims to solve the problems that the hidden danger of the electromagnet in the mechanical aspect is obviously fed back, the fault point is difficult to locate, and the overhaul efficiency is low.
In order to solve the technical problems, the invention provides the technical scheme that the electromagnet performance detection device comprises a distance measuring assembly, a distance measuring assembly and a servo rod, wherein the distance measuring assembly comprises a distance sensor and a servo rod, and the distance sensor is fixed on one side of the distance measuring assembly;
the force measuring assembly is arranged on one side of the electromagnet and comprises a mounting plate and a force sensor, wherein the mounting plate is arranged on one side of the bottom of the electromagnet;
And the voltage regulating assembly is connected with the electromagnet and is used for changing the power voltage of the electromagnet.
As a preferable scheme of the electromagnet performance detection device, the device also comprises a distance adjusting component which is arranged on one side of the distance measuring component and used for adjusting the distance between the electromagnet and the force sensor.
As a preferable scheme of the electromagnet performance detection device, the electromagnet performance detection device further comprises a clamping assembly, wherein the clamping assembly is arranged at the top of the distance adjusting assembly and is used for fixing the electromagnet at a top position.
As a preferable scheme of the electromagnet performance detection device, the device also comprises a shell component for fixing and protecting all components in the device.
As an optimal scheme of the electromagnet performance detection device, the distance adjusting assembly is fixed inside the shell assembly, the distance measuring assembly is arranged on one side of the distance adjusting assembly, the force measuring assembly is arranged on the other side of the distance adjusting assembly, and the bottom of the clamping assembly is in sliding fit with the top of the distance adjusting assembly.
As a preferable scheme of the electromagnet performance detection device, the shell assembly comprises a box cover and a box body, and one side of the box cover is rotatably connected with one side of the top of the box body.
The electromagnet performance detection device is characterized in that the distance adjustment assembly comprises a lower motor, a lower fixing plate, a lower screw rod and a lower screw rod sliding block, wherein the lower motor is arranged on one side of the bottom surface of the box body;
the distance measuring assembly further comprises a sensor traction plate, and the sensor traction plate is fixed on one side of the lower screw rod sliding block.
The electromagnet performance detection device is characterized in that the clamping assembly comprises an upper motor, an upper fixing plate, an upper screw rod and an upper screw rod sliding block, wherein the upper fixing plate is fixed at the top of the lower screw rod sliding block;
The clamping assembly further comprises a positioning plate, and the positioning plate is in sliding fit with the upper screw rod sliding block and used for guaranteeing that the installation position of the electromagnet on the clamping assembly is not deviated.
As an optimal scheme of the electromagnet performance detection device, the electromagnet performance detection device comprises a mounting plate and a force sensor, wherein the mounting plate is arranged on one side of the bottom of the box body, and the force sensor is arranged on the top of the mounting plate and is opposite to the top of one side of the upper fixing plate.
In order to solve the technical problems, the invention also provides a using method of the electromagnet performance detection device, which comprises the following steps of fixing an electromagnet by using a clamping assembly, so that the electromagnet faces a force sensor;
Measuring an accurate value of the distance between the electromagnet and the force sensor by using a distance measuring assembly;
And using a control module to change the power-obtaining extension distance and the power-obtaining voltage of the electromagnet, measuring the characteristic curve of the electromagnet, and comparing the characteristic curve with the intact characteristic curve of the electromagnet to obtain a monitoring result.
The device has the advantages of simple structure, simplicity in operation and high automation degree, can generate a detailed characteristic curve by measuring dynamic action data of the electromagnet in a short time and compare the characteristic curve with a standard curve, so that fault points are quickly and accurately positioned, comprehensive detection of the performance of the electromagnet is completed, hidden danger such as mechanical jamming and iron core magnetization can be effectively detected, overhaul and maintenance efficiency is greatly improved, labor and time cost are saved, and meanwhile, the portability and intelligent design enable equipment detection and maintenance to be more convenient, and risks caused by equipment performance problems in the maintenance process are effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is an overall configuration diagram of an electromagnet performance detecting apparatus.
Fig. 2 is a structural diagram of mechanical components of the electromagnet performance testing apparatus.
Fig. 3 is an exploded view of the mechanical components of the electromagnet performance inspection apparatus.
Fig. 4 is an exploded view of the interior of a mechanical component of the electromagnet performance inspection apparatus.
Fig. 5 is a connection diagram of the electromagnet performance detecting device.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Embodiment 1 referring to fig. 1 and 2, a first embodiment of the present invention provides an electromagnet performance testing apparatus, which includes a ranging assembly 200 and a force measuring assembly 500.
Specifically, the distance measuring assembly 200 comprises a distance sensor 201 and a follower rod 202, wherein the distance sensor 201 is fixed on one side of the distance adjusting assembly 300, and the follower rod 202 is arranged at one end of the distance sensor 201 and is used for measuring the distance from an electromagnet to a force sensor;
the force measuring assembly 500 is arranged on one side of the electromagnet and comprises a mounting plate 501 and a force sensor 502, wherein the mounting plate 501 is arranged on one side of the bottom of the electromagnet;
the voltage regulating assembly 600 is connected to the electromagnet for changing the electric voltage of the electromagnet.
The electromagnet generates a magnetic field by means of an electric current, thereby controlling the movement of the inner core. The magnitude of the magnetic force of the electromagnet depends on the intensity of the current and the number of turns of the coil. Electromagnets are commonly used in devices requiring a controllable magnetic field, such as relays, circuit breakers.
The force sensor is used for detecting the output force of the electromagnet in the working process. Specifically, the force sensor can be installed on the action point of electro-magnet, and after the electro-magnet is circular telegram produced the magnetic field, its magnetic force that produces can promote the iron core, strikes on the force sensor of certain distance outside, and force sensor then can accurately detect the force that produces in this process.
The distance measuring assembly 200 is used for precisely measuring the distance between the electromagnet and the force sensor, namely, the electric extension distance is obtained, and the electric extension distance is required to be continuously changed during detection to obtain the characteristic curve of the electromagnet to be measured;
The force measuring assembly 500 is used to record the amount of force generated by the electromagnet at a certain electrical extension distance.
The voltage regulating assembly 600 directly changes the voltage across the electromagnet and thus the amount of force generated by the electromagnet.
The voltage regulating assembly 600 is a part of a device module, and the device module is composed of an outer box, a control panel, a power switch, a cooling fan, a USB signal transmission port, an intelligent integrated machine, a switching power supply, a signal processing module, a signal acquisition module, a driving device, a controller, a first signal socket, a second signal socket, a mechanical signal transmission port and the like;
the outer box is made of plastic integrally formed materials, has the characteristics of portability, light weight and high strength, and is mainly used for fixing and protecting all modules in the device;
the control panel is made of aluminum alloy, and the surface of the control panel is subjected to baking finish treatment, so that the control panel has the characteristics of corrosion resistance, rust resistance and the like and is used for fixing an operation structure;
the power switch adopts a ship-shaped switch, and is used for controlling the on and off of the power supply of the whole device;
the heat radiation fan is mainly used for radiating heat of the device power supply and is used as a small fan, and the heat radiation opening is designed above the heat radiation fan to ensure that the device power supply can safely run;
the USB signal transmission port is used for inputting a control program;
the intelligent integrated machine is an operation module of the device, is the integration of a device circuit and a touch screen, and is electrically connected with each module;
the switching power supply is a provider of the whole electric energy of the device, meets the energy requirements of all modules, and is a high-capacity lithium battery;
the signal acquisition module is used for acquiring an electromagnet action signal by the device, adopts a high-precision action sensor to acquire instantaneous actions, and transmits acquired data to the signal processing module;
The signal processing module is mainly used for transmitting the complete data to the integrated machine through the data transmitted by the processing and screening acquisition module, converting the analog to digital through the integrated machine and digitally displaying the acquired data;
the driving device is a power structure of the control module;
the controller is of an integral control structure of the device, meets the control of the mechanical module and facilitates the linkage of the mechanical module and the controller;
The first signal jack, the second signal jack and the mechanical signal transmission port are all connected with the mechanical module, so that communication between the first signal jack and the second signal jack is ensured.
The electromagnetic force of the electromagnet is related to the power-obtaining extension distance and the power-obtaining voltage of the electromagnet, so that the two variables are controlled, and the related data of the electromagnet can be obtained by matching with the force measuring assembly 500, so that the electromagnetic force is compared with the normal electromagnet, and if obvious difference occurs, the measured electromagnet is proved to have a certain fault.
When the electromagnet testing device is used, the distance measuring assembly 200 and the voltage regulating assembly 600 are matched, the situation of the electromagnet to be tested is changed, the output force of the electromagnet is monitored through the force measuring assembly 500, and a characteristic curve is generated, so that the working state and the performance of the electromagnet are comprehensively analyzed.
Embodiment 2, referring to fig. 1 to 5, is a second embodiment of the present invention, which is based on the previous embodiment.
Specifically, the distance adjusting assembly 300 is disposed at one side of the distance measuring assembly 200, and is used for adjusting the distance between the electromagnet and the force sensor.
The moving direction of the parts in the distance adjusting assembly 300 is perpendicular to the measuring surface of the force sensor, so that the electromagnet can be kept opposite to the force sensor, and when the electric extension distance is changed, the electromagnet can be always at the same contact point with the force sensor, and the electromagnetic force measurement is prevented from being influenced by other variables.
The distance adjusting assembly 300 drives the screw rod sliding block to move through the motor, so that the distance between the electromagnet and the force sensor can be accurately adjusted, more accurate test data acquisition is realized, the electromagnet is ensured to be always at the optimal position under different test conditions, and different test requirements are met.
Specifically, the device further comprises a clamping assembly 400, which is arranged at the top of the distance adjusting assembly 300 and is used for fixing the electromagnet at a specified position.
The clamping assembly 400 is used for fixing the electromagnet, so that the electromagnet is prevented from being shifted or swayed in the testing process, the stability and the accuracy of testing are ensured, the electromagnet can be kept opposite to the center of the measuring surface of the force sensor, the installation position of the electromagnet is ensured to be consistent during each measurement, and the electromagnetic force measurement is prevented from being influenced by other variables.
Specifically, the device further comprises a housing assembly 100 for fixing and protecting the components inside the device.
The housing assembly 100 is used to house and protect the various components within the device from the external environment, such as dust contamination, moisture contamination, mechanical impact, etc., while providing a stable support and mounting structure for the internal components, ensuring that the components remain stable, do not move or loosen during operation of the device, and thus ensure proper operation of the device.
The pressure regulating assembly 600 belongs to a device module, and the housing assembly 100, the ranging assembly 200, the ranging assembly 300, the clamping assembly 400 and the force measuring assembly 500 belong to a mechanical module.
Specifically, the distance adjusting assembly 300 is fixed inside the housing assembly 100, the distance measuring assembly 200 is arranged on one side of the distance adjusting assembly 300, the force measuring assembly 500 is arranged on the other side of the distance adjusting assembly 300, and the bottom of the clamping assembly 400 is in sliding fit with the top of the distance adjusting assembly 300.
Preferably, the plastic integrated molding material is adopted, so that the device has the characteristics of portability and durability, is convenient for the movement of the device between different workplaces, provides enough strength and impact resistance, and ensures the safety of the device in the transportation or use process.
Specifically, the housing assembly 100 includes a case cover 101 and a case body 102, and one side of the case cover 101 is rotatably connected to one side of the top of the case body 102.
When the length of the follower lever 202 extending out of the distance sensor 201 is changed, the length measured by the distance sensor 201 is changed.
Specifically, the distance adjusting assembly 300 comprises a lower motor 301, a lower fixing plate 302, a lower screw rod 303 and a lower screw rod sliding block 304, wherein the lower motor 301 is arranged on one side of the bottom surface of the box body 102, the lower fixing plate 302 is arranged on one side of the lower motor 301, the lower screw rod sliding block 304 is in sliding connection with the lower fixing plate 302, the lower screw rod 303 is in penetrating fit with the lower screw rod sliding block 304, and one end of the lower screw rod 303 is matched with the lower motor 301;
the distance adjusting assembly 300 realizes automatic adjustment through the control of the lower motor 301, manual operation is not needed, personal errors are reduced, and the working efficiency and the intelligent degree of the device are improved.
When the lower motor 301 drives the lower screw 303 to rotate, the lower screw slider 304 sleeved on the lower screw 303 translates along the lower fixing plate 302, so that the lower screw slider 304 changes the position on the lower fixing plate 302.
The ranging assembly 200 further includes a sensor traction plate 203, and the sensor traction plate 203 is fixed to one side of the lower screw slider 304.
The axial direction of the follower rod 202 is parallel to the translation direction of the lower screw slider 304.
When the lower screw rod sliding block 304 translates along the lower fixing plate 302, the sensor traction plate 203 is driven to move, so that the follower rod 202 is driven to move, and the distance of the movement of the lower screw rod sliding block 304 can be accurately measured by matching with the distance sensor 201.
Specifically, the clamping assembly 400 comprises an upper motor 401, an upper fixing plate 402, an upper screw 403 and an upper screw slider 404, wherein the upper fixing plate 402 is fixed on the top of the lower screw slider 304, the upper motor 401 is arranged at one end of the upper fixing plate 402, the upper screw slider 404 is in sliding connection with the upper fixing plate 402, and the upper screw 403 is in penetrating fit with the upper screw slider 404, and one end of the upper screw 403 is in fit with the upper motor 401;
Similarly, the upper motor 401 drives the upper screw 403 to rotate, so that the upper screw slider 404 slides along the upper fixing plate 402, and the upper screw slider 404 fixes the electromagnet between the upper fixing plate 402 and the upper screw slider 404 when approaching the end of the upper fixing plate 402.
The clamping assembly 400 further includes a locating plate 405, the locating plate 405 and the upper screw slider 404 being slidably engaged to ensure that the mounting location of the electromagnet on the clamping assembly 400 is not offset.
The locating plate 405 is in sliding fit with the upper screw rod slider 404, so that the installation position of the electromagnet on the clamping assembly is prevented from being offset, the distance that the electromagnet protrudes out of the clamping assembly 400 is ensured to be invariable all the time, and the distance between the electromagnet and the force sensor is only determined by the distance adjusting assembly 300, so that the stability of the measuring process is further ensured.
Preferably, the positioning plate 405 may be in a rotational fit with the upper screw slider 404 or may be in a sliding or rotational fit with the upper fixed plate 402, so long as the positioning of the electromagnet is provided before the electromagnet is installed and the positioning plate can be removed after the electromagnet is installed without affecting the electromagnetic force measurement of the electromagnet.
Specifically, the mounting plate 501 is disposed on the bottom side of the case 102, and the force sensor 502 is disposed on the top of the mounting plate 501 and on the top of the side opposite to the upper fixing plate 402.
Because of the presence of the gage assembly 300 and the clamp assembly 400, the mounting location of the electromagnet is high within the housing assembly 100, and therefore a mounting plate 501 is required to allow the force sensor 502 to measure the center of the face directly opposite the electromagnet.
In use, the housing assembly 100 is used to house and protect the various components within the device, preventing damage to such delicate components from the external environment, such as dust contamination, moisture contamination, mechanical impact, etc., while providing a stable support and mounting structure for the internal components, ensuring that the components remain stable, do not move or loosen during operation of the device, and thus ensure proper operation of the device.
The distance measuring assembly 200 is used for precisely measuring the distance between the electromagnet and the force sensor, namely, the electric extension distance is obtained, and the electric extension distance is required to be continuously changed during detection to obtain the characteristic curve of the electromagnet to be measured;
The distance adjusting assembly 300 drives the screw rod sliding block to move through the motor, so that the distance between the electromagnet and the force sensor can be accurately adjusted, more accurate test data acquisition is realized, the electromagnet is ensured to be always at the optimal position under different test conditions, and different test requirements are met.
The clamping assembly 400 is used for fixing the electromagnet, so that the electromagnet is prevented from being shifted or swayed in the testing process, the stability and the accuracy of testing are ensured, the electromagnet can be kept opposite to the center of the measuring surface of the force sensor, the installation position of the electromagnet is ensured to be consistent during each measurement, and the electromagnetic force measurement is prevented from being influenced by other variables.
The force measuring assembly 500 is used to record the amount of force generated by the electromagnet at a certain electrical extension distance. The voltage regulating assembly 600 directly changes the voltage across the electromagnet and thus the amount of force generated by the electromagnet.
Embodiment 3, referring to fig. 1 to 5, is a third embodiment of the present invention, which is based on the above two embodiments.
Specifically, the electromagnet is held in place by the clamp assembly 400 such that the electromagnet faces the force sensor 502.
The positioning plate 405 is adjusted to a positioning position, the electromagnet is placed on one side of the upper fixing plate 402 and faces the force sensor 502, the upper motor 401 is controlled by the control module to rotate to drive the upper screw rod 403 to rotate, so that the position of the upper screw rod sliding block 404 on the upper fixing plate 402 is adjusted to be close to the electromagnet slowly until the electromagnet is clamped, and the positioning plate 405 is adjusted to a position which does not affect measurement.
Specifically, the distance measurement assembly 200 is used to measure the precise value of the distance between the electromagnet and the force sensor 502.
The lower motor 301 of the distance adjusting assembly 300 is adjusted by using a control module, the power-obtaining extension distance of the electromagnet is adjusted to a preset value, the voltages at two ends of the electromagnet are changed under the power-obtaining extension distance, the force applied by the force sensor 502 under each voltage is recorded, and a data table of the voltage and the impact force of the electromagnet is obtained.
The control module is used for fixing the voltages at two ends of the electromagnet to a preset value, the lower motor 301 of the distance adjusting assembly 300 is adjusted, the power obtaining extension distance of the electromagnet is adjusted, and when each power obtaining extension distance is recorded under a specific voltage, the force received by the force sensor 502 is used for obtaining a data table of the power obtaining extension distance and the impact force of the electromagnet.
Specifically, a control module is used for changing the power-obtaining extension distance and the power-obtaining voltage of the electromagnet to measure the characteristic curve of the electromagnet, and the characteristic curve is compared with the intact characteristic curve of the electromagnet to obtain a monitoring result.
And obtaining a characteristic curve of the electromagnet through controlling variables and data obtained through repeated experiments, comparing the measured characteristic curve of the electromagnet with the intact characteristic curve of the electromagnet, obtaining a monitoring result according to a processing algorithm, and judging the performance of the electromagnet.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
1. An electromagnet performance detection device is characterized by comprising,
The distance measuring assembly (200) comprises a distance sensor (201) and a follower rod (202), wherein the distance sensor (201) is fixed on one side of the distance adjusting assembly (300), and the follower rod (202) is arranged at one end of the distance sensor (201) and is used for measuring the distance from an electromagnet to a force sensor;
the force measuring assembly (500) is arranged on one side of the electromagnet and comprises a mounting plate (501) and a force sensor (502), wherein the mounting plate (501) is arranged on one side of the bottom of the electromagnet, and the force sensor (502) is arranged on the top of the mounting plate (501) and is opposite to the electromagnet and is used for measuring the impact force of the electromagnet on the force sensor;
And the voltage regulating assembly (600) is connected with the electromagnet and is used for changing the power supply voltage of the electromagnet.
2. The electromagnet performance testing apparatus of claim 1, wherein:
The distance adjusting assembly (300) is arranged on one side of the distance measuring assembly (200) and is used for adjusting the distance between the electromagnet and the force sensor.
3. The electromagnet performance testing apparatus of claim 2, wherein:
Still include, centre gripping subassembly (400) set up in pitch adjustment subassembly (300) top for fix the electro-magnet in the position of putting the top.
4. The electromagnet performance testing apparatus of claim 3, wherein:
the device also comprises a shell assembly (100) for fixing and protecting the components inside the device.
5. The electromagnet performance testing apparatus of claim 4, wherein:
The distance adjusting assembly (300) is fixed inside the shell assembly (100), the distance measuring assembly (200) is arranged on one side of the distance adjusting assembly (300), the force measuring assembly (500) is arranged on the other side of the distance adjusting assembly (300), and the bottom of the clamping assembly (400) is in sliding fit with the top of the distance adjusting assembly (300).
6. The electromagnet performance testing apparatus of claim 5, wherein:
The shell assembly (100) comprises a box cover (101) and a box body (102), and one side of the box cover (101) is rotatably connected with one side of the top of the box body (102).
7. The electromagnet performance testing apparatus of claim 6, wherein:
The distance adjusting assembly (300) comprises a lower motor (301), a lower fixing plate (302), a lower screw rod (303) and a lower screw rod sliding block (304), wherein the lower motor (301) is arranged on one side of the bottom surface of the box body (102), the lower fixing plate (302) is arranged on one side of the lower motor (301), the lower screw rod sliding block (304) is in sliding connection with the lower fixing plate (302), the lower screw rod (303) is in penetrating fit with the lower screw rod sliding block (304), and one end of the lower screw rod (303) is in fit with the lower motor (301);
The distance measuring assembly (200) further comprises a sensor traction plate (203), and the sensor traction plate (203) is fixed on one side of the lower screw rod sliding block (304).
8. The electromagnet performance testing apparatus of claim 7, wherein:
The clamping assembly (400) comprises an upper motor (401), an upper fixing plate (402), an upper screw rod (403) and an upper screw rod sliding block (404), wherein the upper fixing plate (402) is fixed at the top of the lower screw rod sliding block (304), the upper motor (401) is arranged at one end of the upper fixing plate (402), the upper screw rod sliding block (404) is in sliding connection with the upper fixing plate (402), the upper screw rod (403) is in penetrating fit with the upper screw rod sliding block (404), and one end of the upper screw rod (403) is in fit with the upper motor (401);
the clamping assembly (400) further comprises a positioning plate (405), and the positioning plate (405) is in sliding fit with the upper screw rod sliding block (404) and is used for guaranteeing that the installation position of the electromagnet on the clamping assembly (400) is not deviated.
9. The electromagnet performance testing apparatus of claim 8, wherein:
The mounting plate (501) is arranged on one side of the bottom of the box body (102), and the force sensor (502) is arranged on the top of the mounting plate (501) and is opposite to the top of one side of the upper fixing plate (402).
10. A method for using the electromagnet performance testing apparatus according to claim 1-9, wherein:
Fixing the electromagnet by using the clamping assembly (400) so that the electromagnet faces the force sensor (502);
Measuring an accurate value of the distance between the electromagnet and the force sensor (502) using the distance measuring assembly (200);
And using a control module to change the power-obtaining extension distance and the power-obtaining voltage of the electromagnet, measuring the characteristic curve of the electromagnet, and comparing the characteristic curve with the intact characteristic curve of the electromagnet to obtain a monitoring result.
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