CN111856218A - Simulation product current verification test system and method - Google Patents
Simulation product current verification test system and method Download PDFInfo
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- CN111856218A CN111856218A CN202010514572.7A CN202010514572A CN111856218A CN 111856218 A CN111856218 A CN 111856218A CN 202010514572 A CN202010514572 A CN 202010514572A CN 111856218 A CN111856218 A CN 111856218A
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- 238000012360 testing method Methods 0.000 title claims abstract description 100
- 238000012795 verification Methods 0.000 title claims abstract description 39
- 238000004088 simulation Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title description 7
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000010998 test method Methods 0.000 claims abstract description 6
- 229920001342 Bakelite® Polymers 0.000 claims description 8
- 239000004637 bakelite Substances 0.000 claims description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 19
- 238000004458 analytical method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
Abstract
The invention discloses a product-imitated current verification test system which comprises a switch management system, an input end, a current detector, an output end and a plurality of test circuits, wherein each test circuit comprises a circuit switch and a plurality of resistors, the circuit switch is connected with the resistors in series, the circuit switch is connected with the input end, the resistors are connected with the output end, the input end is connected with high-voltage detection equipment, the current detector is respectively connected with the test circuits and the output end, and the switch management system is respectively connected with the circuit switch of each circuit and controls the switch of the circuit switch; the switch management system controls the on-off of the test circuit, the high-voltage detection equipment operates to enable current to pass through the test circuit for detection, and the numerical value of the current detector is detected to judge whether the high-voltage detection equipment is normal or not. The test is carried out through the matching of the resistors in the circuit, the possibility of product abnormity is eliminated, and the problem is simplified. The invention also discloses a simulation product current verification test method.
Description
Technical Field
The invention relates to the field of testing, in particular to a system and a method for verifying and testing imitation product current.
Background
At present, with the rapid development of society, more and more electronic products are applied to daily life and work, the styles and functions of the electronic products are more and more, and the lives of people are enriched. Before delivery, the electronic product needs to be tested to verify whether the current test parameters of the high-voltage test equipment are normal, which is one of the necessary means for delivery detection.
However, the existing electronic product test has the following defects:
1. when high-voltage test equipment on the market detects electronic products, whether the high-voltage test equipment is normal or not cannot be judged, and the test stability of the high-voltage test equipment is not evaluated, so that the subsequent detection of the electronic products has problems, and the error degree is high;
2. the high-voltage test is usually directly carried out on the product, and the safety of the personnel operation is uncontrollable when the high-voltage output is abnormal or the product has problems.
3. When the product is directly tested, if the parameters are abnormal, whether the product is a high-voltage machine problem or a product problem cannot be quickly judged.
4. And in the direct product test, normal products are damaged due to the output abnormity of the high-voltage machine, and the high-voltage machine is damaged or no test result is generated due to the short-circuit and open-circuit abnormity of the products.
Disclosure of Invention
In order to overcome the defects of the prior art, an objective of the present invention is to provide a system and a method for verifying and testing a product-like current, which can solve the problems of high error and low safety performance.
One of the purposes of the invention is realized by adopting the following technical scheme:
a simulation product current verification test system comprises a switch management system, an input end, a current detector, an output end and a plurality of test circuits, wherein each test circuit comprises a circuit switch and a plurality of resistors, the circuit switch is connected with the resistors in series, the circuit switch is connected with the input end, the resistors are connected with the output end, the input end is connected with a high-voltage detection device, the current detector is respectively connected with the test circuit and the output end, and the switch management system is respectively connected with the circuit switch of each circuit and controls the switch of the circuit switch; the switch management system controls the on-off of the test circuit, the high-voltage detection equipment operates to enable current to pass through the test circuit for detection, and the value of the current detector is detected to judge whether the high-voltage detection equipment is normal or not.
Further, the line switch is a reed switch.
Furthermore, the simulation product current verification test system further comprises a voltmeter, and two ends of the voltmeter are respectively connected with two ends of the test circuit.
Furthermore, the imitation product current verification test system further comprises a current difference statistical system, the current difference statistical system is connected with the current detector, and the current difference statistical system detects a floating value of current and sends the floating value to an output end.
Furthermore, the simulation product current verification test system further comprises a stability alarm module, and the stability alarm module is connected with the current difference statistical system.
Furthermore, the imitation product current verification test system further comprises an equipment alarm module, and the equipment alarm module is connected with the output end.
Further, the switch management system includes a resistance selection module configured to select a resistance value between the input terminal and the output terminal.
Furthermore, the imitation product current verification test system comprises a bakelite box, wherein a plurality of resistor grooves are formed in the bakelite box, and the resistors are installed in the resistor grooves.
The utility model provides an imitative product current verification test method, imitative product current verification test system, includes switch management system, input, current detector, output and a plurality of test line, test line includes line switch and a plurality of resistance, line switch with the resistance is established ties, line switch with the input is connected, resistance with the output is connected, the input is connected with high voltage detection equipment, its characterized in that, includes following step:
A communication step: the switch management system drives the circuit switch to be communicated, and the input end is communicated with the output end;
and a connectivity detection step: the high-voltage detection equipment operates to detect the current value of the output end, if the current value meets the requirement, the next step is executed, and if the current value does not meet the requirement, an equipment fault signal is sent to the control end;
a secondary adjusting step: the switch management system controls all the line switches to be switched off, selects the resistance value and selectively switches on or off the line switches of all the test lines;
a stability detection step; the current difference statistical system detects the floating value of the current and sends the floating value to the output end, if the floating value of the current is smaller than an expected value, the next step is executed, and if the floating value of the current is larger than the expected value, a stability signal is sent to the control end.
Further, the method also comprises the following steps: and (3) adjusting for the third time: and the switch management system controls all the line switches to be disconnected, adjusts all the line switches to enable the resistance values of the input end and the output end to be maximum, and tests are carried out again.
Compared with the prior art, the invention has the beneficial effects that:
the test circuit comprises a circuit switch and a plurality of resistors, the circuit switch is connected with the resistors in series, the circuit switch is connected with the input end, the resistors are connected with the output end, the input end is connected with high-voltage detection equipment, the current detector is respectively connected with the test circuit and the output end, and the switch management system is respectively connected with the circuit switch of each circuit and controls the switch of the circuit switch; the switch management system controls the on-off of the test circuit, the high-voltage detection equipment operates to enable current to pass through the test circuit for detection, and the value of the current detector is detected to judge whether the high-voltage detection equipment is normal or not. The matching of the resistors in the circuit is used for testing, the structure of the product is not complex, the possibility of product abnormity is eliminated when the high-voltage verification test is carried out, the problem is simplified, if the product simulation test is normal, the product can be tested in batches, and if the product abnormity exists after the test, the problem of the product can be judged, so that the analysis is facilitated, the multiple uncertainty problems are solved, and the production efficiency is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a block diagram of a system for verifying and testing the current of a simulated product according to a preferred embodiment of the present invention;
FIG. 2 is a flow chart of a simulated product current verification test method.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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.
Referring to fig. 1, a product-imitated current verification test system includes a switch management system, an input terminal, a current detector, an output terminal, and a plurality of test circuits, where the test circuit includes a circuit switch and a plurality of resistors, the circuit switch is connected in series with the resistors, the circuit switch is connected with the input terminal, the resistors are connected with the output terminal, the input terminal is connected with a high-voltage detection device, the current detector is connected with the test circuit and the output terminal, and the switch management system is connected with the circuit switch of each circuit and controls the switch of the circuit switch; the switch management system controls the on-off of the test circuit, the high-voltage detection equipment operates to enable current to pass through the test circuit for detection, and the value of the current detector is detected to judge whether the high-voltage detection equipment is normal or not. The cooperation through the resistance in the circuit tests, does not have the structure complicacy of product, when high pressure verification test, gets rid of the unusual possibility of product, simplifies the problem, and the problem is concentrated to the normal output of high-pressure machine, and is normal like the product test, just can test the product in batches, if there is the problem that just can judge the product unusually after the test, is of value to the analysis and solves multiple uncertainty problem, improves production efficiency.
Specifically, in this embodiment, the number of test lines is 3, and the total resistance is divided into three steps: 180M, 40M and 5M. The error range set for the current value for different gears is: 5%, 1% and 0.5%.
Preferably, the line switch is a reed switch. The contact of the dry reed switch has extremely low on-resistance when being conducted, and the testing precision can be further enhanced.
Preferably, the simulation product current verification test system further comprises a voltmeter, and two ends of the voltmeter are respectively connected with two ends of the test circuit. The imitation product current verification test system further comprises a current difference statistical system, the current difference statistical system is connected with the current detector, and the current difference statistical system detects a floating value of current and sends the floating value to an output end. The imitation product can be equivalent to a product in the aspect of testing current parameters, and the structure is simple and the accuracy is easy to guarantee. The tested imitation product is simple and reliable, and the operation safety and reliability of personnel can be greatly improved.
Preferably, the simulation product current verification test system further comprises a stability alarm module, and the stability alarm module is connected with the current difference statistical system. When the floating value detected by the current difference statistical system is larger than an expected value, the stability alarm module gives an alarm to remind.
Preferably, the product simulation current verification test system further comprises an equipment alarm module, and the equipment alarm module is connected with the output end. The equipment alarm module is used for reminding equipment of faults, if the floating value problem exists only, the equipment fault alarm cannot be triggered, and the management efficiency is further improved by classifying alarm facilities.
Preferably, the switch management system includes a resistance selection module, and the resistance selection module is configured to select a resistance value between the input terminal and the output terminal. The resistance selection module can facilitate the control of people on the resistance value.
Preferably, the imitation product current verification test system comprises a bakelite box, a plurality of resistor grooves are formed in the bakelite box, and the resistors are installed in the resistor grooves. The bakelite box is made of red bakelite or POM for imitation products, has high insulation degree, and enhances safety and test precision.
Referring to fig. 2, a method for verifying and testing a product-like current includes a switch management system, an input terminal, a current detector, an output terminal, and a plurality of test circuits, where each test circuit includes a circuit switch and a plurality of resistors, the circuit switch is connected in series with the resistors, the circuit switch is connected with the input terminal, the resistors are connected with the output terminal, and the input terminal is connected with a high-voltage detection device, including the following steps:
A communication step: the switch management system drives the circuit switch to be communicated, and the input end is communicated with the output end;
and a connectivity detection step: the high-voltage detection equipment operates to detect the current value of the output end, if the current value meets the requirement, the next step is executed, and if the current value does not meet the requirement, an equipment fault signal is sent to the control end;
a secondary adjusting step: the switch management system controls all the line switches to be switched off, selects the resistance value and selectively switches on or off the line switches of all the test lines;
a stability detection step; the current difference statistical system detects the floating value of the current and sends the floating value to the output end, if the floating value of the current is smaller than an expected value, the next step is executed, and if the floating value of the current is larger than the expected value, a stability signal is sent to the control end.
And (3) adjusting for the third time: and the switch management system controls all the line switches to be disconnected, adjusts all the line switches to enable the resistance values of the input end and the output end to be maximum, and tests are carried out again. The complicated product is equivalent to a plurality of resistors with different resistances to form a product simulating system with simple structure, so that the current verification test of the simulated product can be performed by high-voltage test equipment, the structure is simple, the simulated product with complicated analysis is not used for replacing the product, the problem can be simplified, the problem is only concentrated on the analysis of whether the normal output of a high-voltage machine is correct under the condition that the simulated product is determined to be normal, if the simulated product is tested to be normal, the product can be tested in batches, the product can be judged to be abnormal, the method for eliminating the problems is beneficial to analyzing and solving various uncertain problems and improving the production efficiency.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an imitative product current verification test system, includes switch management system, input, current detector, output and a plurality of test line, its characterized in that: the test circuit comprises a circuit switch and a plurality of resistors, the circuit switch is connected with the resistors in series, the circuit switch is connected with the input end, the resistors are connected with the output end, the input end is connected with high-voltage detection equipment, the current detector is respectively connected with the test circuit and the output end, and the switch management system is respectively connected with the circuit switch of each circuit and controls the switch of the circuit switch; the switch management system controls the on-off of the test circuit, the high-voltage detection equipment operates to enable current to pass through the test circuit for detection, and the value of the current detector is detected to judge whether the high-voltage detection equipment is normal or not.
2. The simulated product current verification test system of claim 1, wherein: the line switch is a reed switch.
3. The simulated product current verification test system of claim 1, wherein: the simulation product current verification test system further comprises a voltmeter, and two ends of the voltmeter are respectively connected with two ends of the test circuit.
4. The simulated product current verification test system of claim 1, wherein: the imitation product current verification test system further comprises a current difference statistical system, the current difference statistical system is connected with the current detector, and the current difference statistical system detects a floating value of current and sends the floating value to an output end.
5. The simulated product current verification test system of claim 4, wherein: the simulation product current verification test system further comprises a stability alarm module, and the stability alarm module is connected with the current difference statistical system.
6. The simulated product current verification test system of claim 1, wherein: the imitation product current verification test system further comprises an equipment alarm module, and the equipment alarm module is connected with the output end.
7. The simulated product current verification test system of claim 1, wherein: the switch management system comprises a resistance selection module, and the resistance selection module is used for selecting a resistance value between the input end and the output end.
8. The simulated product current verification test system of claim 1, wherein: the imitation product current verification test system comprises a bakelite box, wherein a plurality of resistor grooves are formed in the bakelite box, and resistors are installed in the resistor grooves.
9. A simulation product current verification test method is applied to the simulation product current verification test system of any one of claims 1 to 8, and comprises a switch management system, an input end, a current detector, an output end and a plurality of test circuits, wherein each test circuit comprises a circuit switch and a plurality of resistors, the circuit switch is connected with the resistors in series, the circuit switch is connected with the input end, the resistors are connected with the output end, and the input end is connected with a high-voltage detection device, and the simulation product current verification test method is characterized by comprising the following steps:
a communication step: the switch management system drives the circuit switch to be communicated, and the input end is communicated with the output end;
and a connectivity detection step: the high-voltage detection equipment operates to detect the current value of the output end, if the current value meets the requirement, the next step is executed, and if the current value does not meet the requirement, an equipment fault signal is sent to the control end;
a secondary adjusting step: the switch management system controls all the line switches to be switched off, selects the resistance value and selectively switches on or off the line switches of all the test lines;
A stability detection step; the current difference statistical system detects the floating value of the current and sends the floating value to the output end, if the floating value of the current is smaller than an expected value, the next step is executed, and if the floating value of the current is larger than the expected value, a stability signal is sent to the control end.
10. The simulated product current verification test method of claim 9, further comprising the steps of:
and (3) adjusting for the third time: and the switch management system controls all the line switches to be disconnected, adjusts all the line switches to enable the resistance values of the input end and the output end to be maximum, and tests are carried out again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010514572.7A CN111856218A (en) | 2020-06-08 | 2020-06-08 | Simulation product current verification test system and method |
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| CN202010514572.7A CN111856218A (en) | 2020-06-08 | 2020-06-08 | Simulation product current verification test system and method |
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2020
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| CN105259458A (en) * | 2015-11-26 | 2016-01-20 | 北京闪信鼎中技术有限公司 | Device and method for verifying insulation monitoring accuracy and leakage protection of battery pack management system |
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