CN112526252A - Method for measuring dynamic current and dynamic resistance change rate of electromagnet - Google Patents
Method for measuring dynamic current and dynamic resistance change rate of electromagnet Download PDFInfo
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- CN112526252A CN112526252A CN202011182887.2A CN202011182887A CN112526252A CN 112526252 A CN112526252 A CN 112526252A CN 202011182887 A CN202011182887 A CN 202011182887A CN 112526252 A CN112526252 A CN 112526252A
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- 230000008859 change Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000009466 transformation Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims description 2
- 238000000691 measurement method Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
Abstract
The invention discloses a method for measuring dynamic current and dynamic resistance change rate of an electromagnet, which comprises the following steps: the circuit is connected, a power supply is connected, and a detection software interface is accessed; clamping the electromagnet between the upper sliding table slide block; connecting the test wire to the electromagnet binding post; adjusting the output voltage to a working voltage, and adjusting the lower sliding table to a position suitable for testing; an electromagnet iron core strikes an electromagnet sensor in the mechanical part to detect data; adjusting an automatic displacement detection mode or a voltage transformation detection mode; and taking down the connected data line and turning off the power supply. The invention detects the instant dynamic current generated by the coil in the process of striking the electromagnet and the dynamic resistance change rate, enriches the measurement of the electric parameters of the electromagnet on the basis of mechanics, and realizes the comprehensive detection of the electric performance of the electromagnet.
Description
Technical Field
The invention relates to the technical field of electrical science experiments, in particular to a method for measuring dynamic current and dynamic resistance change rate of an electromagnet.
Background
The electromagnet mechanism is used as an important component of the breaker opening and closing operating mechanism, the performance of the electromagnet mechanism is directly related to whether the opening and closing of the breaker is reliable or not, and the problem caused by unreliable opening and closing of the breaker is solved, equipment is refused to operate if the opening and closing of the breaker is not reliable, and a large-area power failure accident is caused if the opening and closing of the breaker is unreliable. Therefore, the testing of the performance of the electromagnet of the circuit breaker is very important. At present, the inspection and maintenance of a circuit breaker mechanism mainly depend on two tests of low voltage characteristics and mechanical characteristics of the circuit breaker, the maintenance means of an electromagnet, which is a key driving element of the circuit breaker, is few and few, and the method still stays in the aspects of testing static resistance, gap and the like of an electromagnet coil, and is lack of visual detection and evaluation methods from the force angle and the dynamic electrical signal angle.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for measuring the dynamic current and the dynamic resistance change rate of the electromagnet.
In order to achieve the aim, the invention provides a method for measuring dynamic current and dynamic resistance change rate of an electromagnet, which comprises the following steps:
the circuit is connected, a power supply is connected, and a detection software interface is accessed;
clamping the electromagnet between the upper sliding table slide block;
connecting the test wire to the electromagnet binding post;
adjusting the output voltage to a working voltage, and adjusting the lower sliding table to a position suitable for testing;
an electromagnet iron core strikes an electromagnet sensor in the mechanical part to detect data;
adjusting an automatic displacement detection mode or a voltage transformation detection mode;
and taking down the connected data line and turning off the power supply.
As a preferred technical solution of the present invention, the line connection, power connection, and entering into the detection software interface further include:
and opening a cover of an outer protection box of the electric control box, accessing an AC220V power supply, connecting an interface on a shell of the electric control box, electrically connecting the interface with a mechanical device through a data line, opening the power supply of the tablet personal computer, and entering a detection software interface.
As a preferred technical solution of the present invention, the clamping the electromagnet between the upper sliding table and the sliding block further includes:
the electromagnet is arranged between the upper sliding block plates, and a 'clamping' button in the screen of the tablet computer is clicked until the electromagnet is clamped by the clamp and cannot be loosened.
As a preferred technical solution of the present invention, the attaching the test wire to the electromagnet terminal further includes:
the test wire was attached to the electromagnet terminal.
As a preferred technical solution of the present invention, the adjusting the output voltage to the working voltage and the adjusting the lower sliding table to the position suitable for the test further includes:
the invention is regulated, the output voltage is regulated to the working voltage, and the lower sliding table is regulated to the position suitable for testing.
As a preferred technical solution of the present invention, the detecting data of the electromagnet sensor in the electromagnet core striking mechanical part further includes:
clicking an 'attraction' button in the tablet personal computer can enable an electromagnet iron core to impact an electromagnet sensor in the mechanical device, and detection software in the microprocessor automatically records current test data and forms an impact action curve, a current curve and a resistance change curve in the tablet personal computer.
As a preferred technical solution of the present invention, the adjusting the automatic displacement detection mode or the voltage transformation detection mode further includes:
according to the test requirement, the invention can be adjusted to an automatic displacement detection mode or a variable voltage detection mode, and the obtained data is recorded and checked at any time.
As a preferred technical solution of the present invention, the removing the connected data line and turning off the power supply further includes:
and after the test is finished, the connected data line is taken down, the power supply is closed, and the cover of the outer protection box of the electric cabinet is closed.
As a preferred technical scheme of the invention, the method for measuring the dynamic current and the dynamic resistance change rate of the electromagnet further comprises a starting module, a detection module and a control module, wherein the starting module is used for connecting a circuit, accessing a power supply and entering a detection software interface;
arranging a test material module for clamping the electromagnet between the upper sliding table slide blocks;
the test material electrifying module is used for connecting the test wire to the electromagnet wiring terminal;
the adjusting module is used for adjusting the output voltage to the working voltage and adjusting the lower sliding table to a position suitable for testing;
the test data collection module is used for detecting data of an electromagnet sensor in the electromagnet iron core striking mechanical part;
the mode adjusting module is used for adjusting an automatic displacement detection mode or a variable voltage detection mode;
and the power supply closing module is used for closing the power supply for taking down the connected data line.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects: the invention detects the instant dynamic current generated by the coil in the process of striking the electromagnet, detects the dynamic resistance change rate, enriches the measurement of the electric parameters of the electromagnet on the basis of mechanics, and realizes the comprehensive detection of the electric performance of the electromagnet; the invention compares AI with standard curve template pre-stored in database in instrument, so the detection effect is better, accurate and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a method of measuring dynamic current and dynamic resistance change rate of an electromagnet according to the present invention;
FIG. 2 is a schematic diagram of the structure of the electromagnet dynamic current and dynamic resistance change rate measuring instrument of the present invention;
FIG. 3 is a schematic structural view of the electrical cabinet housing of the present invention;
fig. 4 is a schematic structural view of the mechanical device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 4, fig. 1 is a schematic flow chart illustrating a method for measuring a dynamic current and a dynamic resistance change rate of an electromagnet according to the present invention; FIG. 2 is a schematic diagram of the structure of the dynamic current and dynamic resistance change rate measuring instrument of the electromagnet of the present invention; FIG. 3 is a schematic view of the construction of the electrical cabinet housing of the present invention; fig. 4 is a schematic structural view of the mechanical device of the present invention.
Specifically, the method for measuring the dynamic current and the dynamic resistance change rate of the electromagnet according to the novel experimental embodiment includes an electromagnet dynamic current and dynamic resistance change rate measuring instrument;
the electromagnet dynamic current and dynamic resistance change rate measuring instrument comprises an electric control device 1 and a mechanical device 2; the electric control device 1 and the mechanical device 2 are electrically connected based on a data line 3.
Specifically, the electric control device 1 comprises an electric control box outer protection box 11, an electric control box shell 12 and flexible foam 13, wherein the electric control box shell 12 is arranged on the electric control box outer protection box 11; the space between the electric cabinet outer protection box 11 and the electric cabinet shell 12 is filled with the flexible foam 13.
Specifically, the electric cabinet shell 12 comprises a tablet personal computer 14, a bus mounting hole 15, an electromagnet binding post 16, a USB hole 17 and a three-in-one switch hole 18; the tablet computer 14 is arranged in the center of the electric cabinet shell 12; the electromagnet binding post 16 is arranged at the lower right of the tablet personal computer 14; the bus mounting hole 15 is arranged on the side surface of the electric cabinet shell 12; the USB hole 17 is disposed on the left side of the bus mounting hole 15; the three-in-one switch hole 18 is arranged on the side surface of the electric cabinet shell 12.
Specifically, the electric cabinet shell 12 further includes a heat dissipation hole 19, and the heat dissipation hole 19 is disposed on the right side of the USB hole 17. Through setting up louvre 19 for the device heat dissipation is better, has huge help effect to the life of device.
Specifically, the mechanical device 2 includes a housing 21, a lower slide 22 and an upper slide 23; the displacement sensor 24 and the electromagnet sensor 25 are arranged in the housing 21, the lower sliding table 22 is arranged on the inner surface of the housing 21, and the upper sliding table 23 is arranged on the lower sliding table 22. Based on the cooperation of upper sliding table 23 and lower sliding table 22, the electro-magnet that sets up at upper sliding table 23 can move on X axle and Y axle, is convenient for adjust on the position of electro-magnet has reached the position of regulation to satisfy the demand of experiment.
Specifically, lower sliding table 22 includes first motor 41, first transfer line 42, first guide rail 43 and first slider board, first motor 41 and first guide rail 43 set up in the shell 21, the head end of first transfer line 42 with the power take off end of first motor 41 is connected, the end of first transfer line 42 with first slider board is connected, first slider board sets up first guide rail 43 department sliding connection. The first slider plate moves in the direction of the first guide rail 43 based on the driving of the first motor 41.
Specifically, the upper sliding table 23 is arranged at the first sliding block plate, and the upper sliding table 23 includes a second motor 51, a second transmission rod 52, a second guide rail 53 and a second sliding block plate 54; the head end of the second transmission rod 52 is connected to the power output end of the second motor 51, the tail end of the second transmission rod 52 is connected to the second slider plate 54, and the second slider plate 54 is slidably connected to the second guide rail 53. The second slider plate 54 moves in the direction of the second guide rail 53 based on the driving of the second motor 51.
Furthermore, by arranging a displacement sensor, the electromagnet mounted in the mechanical device is inducted to be above the electromagnet sensor, so that the accuracy of the experiment and the reliability of data are ensured; set up electro-magnet sensor and microprocessor, collect the number of times that electro-magnet iron core hit electro-magnet sensor through setting up microprocessor, microprocessor passes through detection software automatic recording current test data, forms automatically and hits power of force curve, current curve and resistance change curve information, and the comparison is made with the standard curve model that the database prestores in the instrument to gained information, and detection effect is better accurate reliable.
Specifically, the method for measuring the dynamic current and the dynamic resistance change rate of the electromagnet comprises the following steps:
s1: the line connection, access power, the software interface that gets into detection still includes:
and opening the cover of the outer protection box 11 of the electric cabinet, connecting the electric cabinet with the AC220V power supply, connecting the interface on the electric cabinet shell 12 with the data line 3 of the invention, and opening the power supply of the tablet personal computer 14 to enter a detection software interface.
S2: clamping the electromagnet between the upper slider plate 54 further includes:
the electromagnet is placed between the upper slide plate 54 and the "clamp" button in the tablet computer screen is clicked until the clamp clamps the electromagnet non-loosely.
S3: attaching the test line to the electromagnet terminal 16 further comprises:
the test wire was attached to the electromagnet terminal 16 (red terminal to positive and black terminal to negative).
S4: adjusting output voltage to operating voltage, adjusting lower slip table 22 to the position that is fit for the test still includes:
the present invention is adjusted to adjust the output voltage to the operating voltage and adjust the lower slide 22 to a position suitable for testing.
S5: the electromagnet core strikes the electromagnet sensor 25 in the mechanical part, and the detection data further includes:
clicking the 'pick-up' button in the tablet computer 14 can enable the electromagnet iron core to hit the electromagnet sensor 25 in the mechanical device 2, and detection software in the microprocessor automatically records current test data and forms a hitting force action curve, a current curve and a resistance change curve in the tablet computer 14.
S6: adjusting the automatic displacement detection mode or the voltage transformation detection mode further comprises:
according to the test requirement, the invention can be adjusted to an automatic displacement detection mode or a variable voltage detection mode, and the obtained data is recorded and checked at any time.
S7: after accomplishing the test, take off the data line 3 that connects, close the power, close the lid of electric cabinet outer guard box 11 and still include:
after the test is finished, the connected data line 3 is taken down, the power supply is closed, and the cover of the electric cabinet outer protection box 11 is closed.
The invention detects the instant dynamic current generated by the coil in the process of striking the electromagnet, detects the dynamic resistance change rate, enriches the measurement of the electric parameters of the electromagnet on the basis of mechanics, and realizes the comprehensive detection of the electric performance of the electromagnet; the invention compares the data analysis result of the microprocessor with the standard curve template prestored in the database in the instrument, and the detection effect is better, accurate and reliable.
The method for measuring the dynamic current and the dynamic resistance change rate of the electromagnet provided by the embodiment of the invention is described in detail, a specific example is adopted herein to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The method for measuring the dynamic current and the dynamic resistance change rate of the electromagnet is characterized by comprising the following steps of:
the circuit is connected, a power supply is connected, and a detection software interface is accessed;
clamping the electromagnet between the upper sliding table slide block;
connecting the test wire to the electromagnet binding post;
adjusting the output voltage to a working voltage, and adjusting the lower sliding table to a position suitable for testing;
an electromagnet iron core strikes an electromagnet sensor in the mechanical part to detect data;
adjusting an automatic displacement detection mode or a voltage transformation detection mode;
and taking down the connected data line and turning off the power supply.
2. The method of claim 1, wherein the line connection, connection to a power source, and entry into the detection software interface further comprises:
and opening a cover of an outer protection box of the electric control box, accessing an AC220V power supply, connecting an interface on a shell of the electric control box, electrically connecting the interface with a mechanical device through a data line, opening the power supply of the tablet personal computer, and entering a detection software interface.
3. The method of claim 2, wherein clamping the electromagnet between the upper slide blocks further comprises:
the electromagnet is arranged between the upper sliding block plates, and a 'clamping' button in the screen of the tablet computer is clicked until the electromagnet is clamped by the clamp and cannot be loosened.
4. The electromagnet dynamic current and dynamic rate of resistance measurement method of claim 3, wherein said attaching a test wire to the electromagnet terminal post further comprises:
the test wire was attached to the electromagnet terminal.
5. The method of claim 4, wherein adjusting the output voltage to the operating voltage and adjusting the lower ramp to a position suitable for testing further comprises:
the invention is regulated, the output voltage is regulated to the working voltage, and the lower sliding table is regulated to the position suitable for testing.
6. The method of claim 5, wherein the electromagnet core strikes an electromagnet sensor in the mechanical portion, and the sensing data further comprises:
clicking an 'attraction' button in the tablet personal computer can enable an electromagnet iron core to impact an electromagnet sensor in the mechanical device, and detection software in the microprocessor automatically records current test data and forms an impact action curve, a current curve and a resistance change curve in the tablet personal computer.
7. The method of claim 6, wherein said adjusting the automatic displacement detection mode or the voltage transformation detection mode further comprises:
according to the test requirement, the invention can be adjusted to an automatic displacement detection mode or a variable voltage detection mode, and the obtained data is recorded and checked at any time.
8. The method of claim 7, wherein said removing the connected data line and turning off the power further comprises:
and after the test is finished, the connected data line is taken down, the power supply is closed, and the cover of the outer protection box of the electric cabinet is closed.
9. The electromagnet dynamic current and dynamic rate of resistance measurement method of claim 8, further comprising:
the starting module is used for connecting a line, accessing a power supply and entering a detection software interface;
arranging a test material module for clamping the electromagnet between the upper sliding table slide blocks;
the test material electrifying module is used for connecting the test wire to the electromagnet wiring terminal;
the adjusting module is used for adjusting the output voltage to the working voltage and adjusting the lower sliding table to a position suitable for testing;
the test data collection module is used for detecting data of an electromagnet sensor in the electromagnet iron core striking mechanical part;
the mode adjusting module is used for adjusting an automatic displacement detection mode or a variable voltage detection mode;
and the power supply closing module is used for closing the power supply for taking down the connected data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182887.2A CN112526252A (en) | 2020-10-29 | 2020-10-29 | Method for measuring dynamic current and dynamic resistance change rate of electromagnet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011182887.2A CN112526252A (en) | 2020-10-29 | 2020-10-29 | Method for measuring dynamic current and dynamic resistance change rate of electromagnet |
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| CN112526252A true CN112526252A (en) | 2021-03-19 |
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Citations (7)
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|---|---|---|---|---|
| SU1644248A1 (en) * | 1989-05-06 | 1991-04-23 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Stand for testing electromagnet |
| CN201689135U (en) * | 2010-04-21 | 2010-12-29 | 东莞中逸电子有限公司 | Pressure-controllable impedance testing system for film buttons |
| CN105334477A (en) * | 2015-11-04 | 2016-02-17 | 中国北方发动机研究所(天津) | High-speed solenoid valve electromagnetic force static and dynamic testing apparatus |
| KR101662210B1 (en) * | 2015-06-26 | 2016-10-06 | 서울메트로 | testing system for enclosed relay |
| CN109633497A (en) * | 2019-01-03 | 2019-04-16 | 中车青岛四方机车车辆股份有限公司 | A kind of electromagnet testing stand and detection platform |
| CN110850342A (en) * | 2019-11-25 | 2020-02-28 | 广西电网有限责任公司南宁供电局 | Intelligent electromagnet action force measuring instrument |
| CN110907722A (en) * | 2019-11-11 | 2020-03-24 | 浙江大学 | Characteristic testing device and dynamic and static characteristic testing method for proportional electromagnet |
-
2020
- 2020-10-29 CN CN202011182887.2A patent/CN112526252A/en active Pending
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|---|---|---|---|---|
| SU1644248A1 (en) * | 1989-05-06 | 1991-04-23 | Челябинский Политехнический Институт Им.Ленинского Комсомола | Stand for testing electromagnet |
| CN201689135U (en) * | 2010-04-21 | 2010-12-29 | 东莞中逸电子有限公司 | Pressure-controllable impedance testing system for film buttons |
| KR101662210B1 (en) * | 2015-06-26 | 2016-10-06 | 서울메트로 | testing system for enclosed relay |
| CN105334477A (en) * | 2015-11-04 | 2016-02-17 | 中国北方发动机研究所(天津) | High-speed solenoid valve electromagnetic force static and dynamic testing apparatus |
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