CN104459480A - Voltage-withstand performance testing method and system for multi-core power line - Google Patents

Voltage-withstand performance testing method and system for multi-core power line Download PDF

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Publication number
CN104459480A
CN104459480A CN201310432273.9A CN201310432273A CN104459480A CN 104459480 A CN104459480 A CN 104459480A CN 201310432273 A CN201310432273 A CN 201310432273A CN 104459480 A CN104459480 A CN 104459480A
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core
power line
withstand voltage
voltage properties
test
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CN201310432273.9A
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Chinese (zh)
Inventor
王大波
余辉
陈晓东
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201310432273.9A priority Critical patent/CN104459480A/en
Publication of CN104459480A publication Critical patent/CN104459480A/en
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Abstract

The invention discloses a voltage-withstand performance testing method and system for a multi-core power line. The method includes the steps of grouping line cores in the multi-core power line to obtain line core groups, wherein the first number of line cores in each line core group is the same as the second number of the line cores in at least one of the other line core groups, and any two line cores are not only in the same group at the same time; connecting the line cores in each line core group in parallel; combining the same number of line cores so that any two line cores in the multi-core power line can be combined, and obtaining m sets; conducting the voltage-withstand performance testing on the m sets through voltage-withstand instruments, and obtaining the testing result. The voltage-withstand performance testing is conducted on the multi-core power line in a combined parallel connection mode, the number of testing times is decreased, and the testing process can be simpler. When different sets are tested at the same time through the voltage-withstand instruments, the time spent on the voltage-withstand performance testing is saved, and the testing efficiency is improved.

Description

The method and system of multi-core power line withstand voltage properties test
Technical field
The present invention relates to cable and wire field, particularly relate to the method and system of a kind of multi-core power line withstand voltage properties test.
Background technology
The quality of power lead concerns electrical safety, and one of them very important quality index is exactly withstand voltage properties, and therefore withstand voltage properties is the project that every bar power lead must be tested.What power lead had two cores also has multicore, the withstand voltage properties test of multi-core power line need linear between two between test.Common way is exactly choose a few core at random to carry out voltage-withstand test, so will a lot of core of test leakage, and if want the detection that ensures to carry out withstand voltage properties between two between core, just can only step-by-steply test one by one between any two, process is loaded down with trivial details, and efficiency is low.
Summary of the invention
For solving when ensureing accuracy, to loaded down with trivial details, the inefficient problem of the withstand voltage properties test process of multi-core power line, the present invention proposes the method and system of a kind of simple to operate and accuracy much higher core power lead withstand voltage properties test.
For realizing the method for a kind of multi-core power line withstand voltage properties test that the object of the invention provides, comprise the following steps:
Core in multi-core power line is divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping;
Core in each core group is connected in parallel;
Core group identical for number combined, make all once to combine between any two cores in described multi-core power line, obtain m combination, m is positive integer;
Use voltage resistant instrument to carry out withstand voltage properties test to described m combination, obtain test result.
Preferably, as a kind of embodiment, described core in multi-core power line to be divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping, comprise the following steps:
Design feature according to each core of power lead marks the core in multi-core power line;
According to done mark, the core in described multi-core power line is divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
Preferably, as a kind of embodiment, the described design feature according to each core of power lead marks the core in multi-core power line, comprises the following steps:
According to the design feature of each core of power lead, according to 1,2,3 ... sequence number the core in multi-core power line is marked.
Preferably, as a kind of embodiment, described use voltage resistant instrument carries out withstand voltage properties test to described m combination, obtains test result, comprises the following steps:
Use m voltage resistant instrument and described m to combine and carry out one_to_one corresponding;
A described m voltage resistant instrument carries out withstand voltage properties test to described m combination simultaneously, and obtains the test result of each combination;
The test result of each combination described is analyzed, obtains the withstand voltage properties test result of tested multi-core power line.
Preferably, as a kind of embodiment, the described test result to each combination described is analyzed, and obtains the withstand voltage properties test result of tested multi-core power line, comprises the following steps:
According to the test result of each combination, when the test result of all combinations is all qualified, then determine that the withstand voltage properties of tested multi-core power line is qualified, otherwise the withstand voltage properties of the multi-core power line tested is defective.
Based on the system of a kind of multi-core power line withstand voltage properties test of same inventive concept, comprise grouping module, link block, composite module, and test module, wherein:
Described grouping module, for dividing into groups to the core in multi-core power line, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping;
Described link block, for being connected in parallel the core in each core group;
Described composite module, for core group identical for number being combined, making all once to combine between any two cores in described multi-core power line, obtaining m combination;
Described test module, carries out withstand voltage properties test for using voltage resistant instrument to described m combination.
Preferably, as a kind of embodiment, described grouping module comprises mark submodule and grouping submodule, wherein:
Described mark submodule, for marking the core in multi-core power line according to the design feature of each core of power lead;
Described grouping submodule, for dividing into groups to the core in described multi-core power line according to done mark, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
Preferably, as a kind of embodiment, described mark submodule comprises label unit:
Described label unit, for the design feature according to each core of power lead, according to 1,2,3 ... sequence number the core in multi-core power line is marked.
Preferably, as a kind of embodiment, described test module comprises matched sub-block, singly tests submodule, and analyzes submodule, wherein:
Described matched sub-block, combines for using m voltage resistant instrument and described m and carries out one_to_one corresponding;
Submodule tested by described list, carries out withstand voltage properties test for a described m voltage resistant instrument to described m combination simultaneously, and obtains the test result of each combination;
Described analysis submodule, for analyzing the test result of each combination described, obtains the withstand voltage properties test result of tested multi-core power line.
Preferably, as a kind of embodiment, described analysis submodule comprises identifying unit:
Described identifying unit, for the test result combined according to each, when the test result of all combinations is all qualified, then determine that the withstand voltage properties of tested multi-core power line is qualified, otherwise the withstand voltage properties of the core number power lead tested is defective.
Beneficial effect of the present invention comprises:
The method and system of a kind of multi-core power line withstand voltage properties test provided by the invention, by dividing into groups to the core in multi-core power line, and the core in same group is in parallel, combination is organized to the core in after parallel connection group and the same number of another of core and carries out withstand voltage properties test, so, ensure the combination in any containing all cores between two in multi-core power line in all combinations of test, thus make test more accurate, the withstand voltage properties between any two cores in multi-core power line is all tested.And test by carrying out combining mode in parallel, greatly reduce the number of times of withstand voltage properties test, make test process simpler.Use multiple stage Hi-pot Tester to test various combination simultaneously, save the withstand voltage properties test time used, improve testing efficiency.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of a specific embodiment of the method for a kind of multi-core power line of the present invention withstand voltage properties test;
Fig. 2 is the system construction drawing of a specific embodiment of the system of a kind of multi-core power line of the present invention withstand voltage properties test.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, be described below in conjunction with the embodiment of accompanying drawing to the method and system of the multi-thread core power lead withstand voltage properties test of the embodiment of the present invention.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The method of the multi-core power line withstand voltage properties test of the embodiment of the present invention, as shown in Figure 1, comprises the following steps:
S100, core in multi-core power line is divided into groups, obtain core group, the first number that a core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
So the core in multi-core power line is divided into groups, can ensure that any two cores can obtain voltage-withstand test follow-up after combination.
It should be noted that herein, follow-up carry out testing adopt be parallel connection after the mode of carrying out testing carry out, therefore, the two ends carrying out testing are formed wants relative equilibrium, so all the identical group of two core numbers at least should be there is for each grouping after dividing into groups, just by once testing, the voltage-withstand test result of any two cores combination between two groups can be obtained like this follow-up.
Preferably, as a kind of embodiment, step S100 comprises the following steps:
S110, the design feature according to each core of power lead marks the core in multi-core power line.
According to the design feature of each core of power lead, each core in power lead is marked.Such as according to the position characteristics of core in power lead, from top to bottom, from left to right core can be marked.
It should be noted that, described to carry out grouping to core be divide into groups accurately to core for follow-up herein, avoids the voltage-withstand test missed when dividing into groups test between certain two core.Make test more accurate.
Preferably, as a kind of embodiment, step S110 comprises the following steps:
S111, according to the design feature of each core of power lead, according to 1,2,3 ... sequence number the core in multi-core power line is marked.
Described mark be in order to follow-up carry out dividing into groups and combining time, determine to test the resistance to pressure between any two cores, so numeral can be used to mark core.Also can use other notation methods, assist as simple frock can be done.
S120, according to done mark, the core in described multi-core power line is divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
S200, is connected in parallel the core in each core group.
Core in each core group is done parallel processing, combines with other core groups so that follow-up and test.
S300, combines core group identical for number, makes all once to combine between any two cores in described multi-core power line, and obtain m combination, m is positive integer.
Core group is combined, carries out withstand voltage properties test so that follow-up by combination.
It should be noted that herein, it is exactly will ensure all to have carried out once combining between any two cores in multi-core power line that an overall requirement is followed in grouping step above and the combination of this step, so can ensure to test the withstand voltage properties between any two cores.
S400, uses voltage resistant instrument to carry out withstand voltage properties test to described m combination, obtains test result.
Preferably, as a kind of embodiment, step S400, specifically comprises the following steps:
S410, uses m voltage resistant instrument and described m to combine and carries out one_to_one corresponding.
A voltage resistant instrument is combinationally used to each corresponding with it, be connected with two core groups in combination.
S420, a described m voltage resistant instrument carries out withstand voltage properties test to described m combination simultaneously, and obtains the test result of each combination.
Use each voltage resistant instrument to carry out withstand voltage properties test to the combination be connected, to each combination withstand voltage properties test result, namely whether qualified.
S430, analyzes the test result of each combination described, obtains the withstand voltage properties test result of tested multi-core power line.
Preferably, as a kind of embodiment, step S430 comprises the following steps:
S431, according to the test result of each combination, when the test result of all combinations is all qualified, then determine that the withstand voltage properties of tested multi-core power line is qualified, otherwise the withstand voltage properties of the multi-core power line tested is defective.
After combining, test the withstand voltage properties then obtained afterwards in multi-core power line between any two cores for m time, greatly simplify the step of test, shorten the test duration.
The method of a kind of multi-thread core power lead withstand voltage properties test of the present invention is described for 6 core power leads below.
The core of 6 core power leads is labeled as 1,2,3,4,5,6.In order to the combination of two between 6 cores is contained entirely, as shown in table 1, core is divided into 6 groups.Because three ability at least will be combined to be determined all to detect once between any two, so configuration 3 voltage resistant instruments A, B, C.
The combined situation of six core power leads is as described in Table 1 with the corresponding situation of voltage resistant instrument.While A voltage resistant instrument detects Article 1 power lead, B voltage resistant instrument is detecting Article 2 power lead (combined situation just detected is different from No. A), and C power lead is detecting Article 3 power lead (combined situation just detected is different with No. B from No. A) simultaneously.
Table 16 core power lead withstand voltage properties detects table
It is qualified that the withstand voltage properties of power lead then detected when the testing result only having each to combine is all qualified is only.So, 3 every platforms of voltage resistant instrument detect 1 time, just can judge whether 16 core power lead is withstand voltage qualified.3 voltage resistant instruments independently detect, and suppose that the time that voltage resistant instrument detects once is X second (time), the time so having examined 16 core power lead is X second.If take to detect separately between any two, article 1,6 core power leads then at least need 15(to be exactly 15 from the unordered number of combinations of 6 middle random selecting 2) secondaryly just to complete, detect and then just need 15*X second for 15 times, detection time is 15 times of embodiment of the present invention detection method, and power lead core adopted scheme advantage more obvious more.The scheme of the embodiment of the present invention avoids duplicate detection and test leakage simultaneously.
Based on same inventive concept, the embodiment of the present invention provides a kind of system, and the principle of dealing with problems due to this system is similar to a kind of aforementioned method, and therefore, the enforcement of this system can realize according to the concrete steps of preceding method, repeats part and repeats no more.
The system of a kind of multi-core power line withstand voltage properties test of the embodiment of the present invention, as shown in Figure 2, comprises grouping module 100, link block 200, composite module 300, and test module 400.
Described grouping module 100, for dividing into groups to the core in multi-core power line, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping;
Described link block 200, for being connected in parallel the core in each core group;
Described composite module 300, for core group identical for number being combined, making all once to combine between any two cores in described multi-core power line, obtaining m combination;
Described test module 400, carries out withstand voltage properties test for using voltage resistant instrument to described m combination.
Preferably, as a kind of embodiment, described grouping module 100 comprises mark submodule 110 and grouping submodule 120, wherein:
Described mark submodule 110, for marking the core in multi-core power line according to the design feature of each core of power lead;
Described grouping submodule 120, for dividing into groups to the core in described multi-core power line according to done mark, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
Preferably, as a kind of embodiment, described mark submodule 110 comprises label unit 111, described label unit, for the design feature according to each core of power lead, according to 1,2,3 ... sequence number the core in multi-core power line is marked.
Preferably, as a kind of embodiment, described test module 400 comprises matched sub-block 410, single test submodule 420, and analyzes submodule 430.
Described matched sub-block 410, combines for using m voltage resistant instrument and described m and carries out one_to_one corresponding;
Described single test submodule 420, carries out withstand voltage properties test to described m combination for a described m voltage resistant instrument simultaneously, and obtains the test result of each combination;
Described analysis submodule 430, for analyzing the test result of each combination described, obtains the withstand voltage properties test result of tested multi-core power line.
Preferably, as a kind of embodiment, described analysis submodule 430 comprises identifying unit 431, described identifying unit 431, for the test result combined according to each, when the test result of all combinations is all qualified, then determine that the withstand voltage properties of tested multi-core power line is qualified, otherwise the withstand voltage properties of the multi-core power line tested is defective.
By dividing into groups to the core in multi-core power line, and the core in same group is in parallel, combination is organized to the core in after parallel connection group and the same number of another of core and carries out withstand voltage properties test, so, ensure the combination in any containing all cores between two in multi-core power line in all combinations of test, thus make test more accurate, the withstand voltage properties between any two cores in multi-core power line is all tested.And test by carrying out combining mode in parallel, greatly reduce the number of times of withstand voltage properties test, make test process simpler.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a method for multi-core power line withstand voltage properties test, is characterized in that, comprise the following steps:
Core in multi-core power line is divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping;
Core in each core group is connected in parallel;
Core group identical for number combined, make all once to combine between any two cores in described multi-core power line, obtain m combination, m is positive integer;
Use voltage resistant instrument to carry out withstand voltage properties test to described m combination, obtain test result.
2. the method for multi-core power line withstand voltage properties test according to claim 1, it is characterized in that, described core in multi-core power line to be divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping, comprise the following steps:
Design feature according to each core of power lead marks the core in multi-core power line;
According to done mark, the core in described multi-core power line is divided into groups, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
3. the method for multi-core power line withstand voltage properties test according to claim 2, it is characterized in that, the described design feature according to each core of power lead marks the core in multi-core power line, comprises the following steps:
According to the design feature of each core of power lead, according to 1,2,3 ... sequence number the core in multi-core power line is marked.
4. the method for multi-core power line withstand voltage properties test according to claim 1, it is characterized in that, described use voltage resistant instrument carries out withstand voltage properties test to described m combination, obtains test result, comprises the following steps:
Use m voltage resistant instrument and described m to combine and carry out one_to_one corresponding;
A described m voltage resistant instrument carries out withstand voltage properties test to described m combination simultaneously, and obtains the test result of each combination;
The test result of each combination described is analyzed, obtains the withstand voltage properties test result of tested multi-core power line.
5. the method for multi-core power line withstand voltage properties test according to claim 4, is characterized in that, the described test result to each combination described is analyzed, and obtains the withstand voltage properties test result of tested multi-core power line, comprises the following steps:
According to the test result of each combination, when the test result of all combinations is all qualified, then determine that the withstand voltage properties of tested multi-core power line is qualified, otherwise the withstand voltage properties of the multi-core power line tested is defective.
6. a system for multi-core power line withstand voltage properties test, is characterized in that, comprise grouping module, link block, composite module, and test module, wherein:
Described grouping module, for dividing into groups to the core in multi-core power line, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping;
Described link block, for being connected in parallel the core in each core group;
Described composite module, for core group identical for number being combined, making all once to combine between any two cores in described multi-core power line, obtaining m combination;
Described test module, carries out withstand voltage properties test for using voltage resistant instrument to described m combination.
7. the system of multi-core power line withstand voltage properties test according to claim 6, is characterized in that, described grouping module comprises mark submodule and grouping submodule, wherein:
Described mark submodule, for marking the core in multi-core power line according to the design feature of each core of power lead;
Described grouping submodule, for dividing into groups to the core in described multi-core power line according to done mark, obtain core group, the first number that one core group comprises core number at least exists another core group, and to comprise the second number of core number identical with described first number, and any two cores are all not only simultaneously in a grouping.
8. the system of multi-core power line withstand voltage properties test according to claim 7, it is characterized in that, described mark submodule comprises label unit:
Described label unit, for the design feature according to each core of power lead, according to 1,2,3 ... sequence number the core in multi-core power line is marked.
9. the system of multi-core power line withstand voltage properties test according to claim 6, it is characterized in that, described test module comprises matched sub-block, singly tests submodule, and analyzes submodule, wherein:
Described matched sub-block, combines for using m voltage resistant instrument and described m and carries out one_to_one corresponding;
Submodule tested by described list, carries out withstand voltage properties test for a described m voltage resistant instrument to described m combination simultaneously, and obtains the test result of each combination;
Described analysis submodule, for analyzing the test result of each combination described, obtains the withstand voltage properties test result of tested multi-core power line.
10. the system of multi-core power line withstand voltage properties test according to claim 9, it is characterized in that, described analysis submodule comprises identifying unit:
Described identifying unit, for the test result combined according to each, when the test result of all combinations is all qualified, then determine that the withstand voltage properties of tested multi-core power line is qualified, otherwise the withstand voltage properties of the multi-core power line tested is defective.
CN201310432273.9A 2013-09-22 2013-09-22 Voltage-withstand performance testing method and system for multi-core power line Pending CN104459480A (en)

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CN106154127A (en) * 2016-06-27 2016-11-23 成都蓉盛达系统工程技术有限公司 The wire harness pressure method for rapidly testing of insulation
CN107315125A (en) * 2017-06-15 2017-11-03 南通同洲电子有限责任公司 The testing tool and method of testing of a kind of four cores power line
CN109239542A (en) * 2018-08-21 2019-01-18 博侃电气(合肥)有限公司 A kind of method of mineral insulated cable proof voltage detection
CN112363002A (en) * 2020-11-25 2021-02-12 常州同惠电子股份有限公司 Multi-element parallel test method for safety voltage-resistant instrument

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Publication number Priority date Publication date Assignee Title
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CN109239542A (en) * 2018-08-21 2019-01-18 博侃电气(合肥)有限公司 A kind of method of mineral insulated cable proof voltage detection
CN112363002A (en) * 2020-11-25 2021-02-12 常州同惠电子股份有限公司 Multi-element parallel test method for safety voltage-resistant instrument

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Application publication date: 20150325