CN102565616B - Circuit on-off rapid testing method on basis of bisection method - Google Patents
Circuit on-off rapid testing method on basis of bisection method Download PDFInfo
- Publication number
- CN102565616B CN102565616B CN201210021127.2A CN201210021127A CN102565616B CN 102565616 B CN102565616 B CN 102565616B CN 201210021127 A CN201210021127 A CN 201210021127A CN 102565616 B CN102565616 B CN 102565616B
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- decile
- pass
- driving signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The invention belongs to the field of electronic testing and particularly relates to a rapid testing method capable of rapidly testing the connection of a circuit. The invention provides a rapid testing method for testing the on-off condition of the circuit on the basis of a bisection method. Due to the adoption of the testing method provided by the invention, the testing speed can be improved. Particularly, the larger the number of the circuits to be tested is, the higher the efficiency of the method is. The testing time is shortened. According to the invention, the circuit with problems can be accurately positioned.
Description
Technical field
The invention belongs to Electronic Testing field, particularly a kind of method for rapidly testing that can test fast connection.
Background technology
Traditional test is all to specify output signal on a road p-wire, collection signal on other each road measurement circuits, determine itself and the break-make situation of specifying that road p-wire, then change p-wire output signal, repeat above engineering, there is n road p-wire just need to test n-1 time, if when n is smaller, the number of times of test is not too many, and the speed difference of test is not obvious, in the time that n is larger, testing time is excessive, and speed is too slow, and in loaded down with trivial details thread-changing process, easily there is the situation of test leakage, occurring that the check work after test leakage is also cumbersome.
Summary of the invention
For above-mentioned technical matters, the invention provides a kind of method for rapidly testing for measurement circuit break-make situation based on dichotomy, adopt method of testing of the present invention can improve the speed of test, particularly for the more tests of circuit number, the efficiency of this method is higher, shortened the test duration, the present invention can accurately locate in-problem circuit.
The present invention is achieved through the following technical solutions:
Circuit on-off method for rapidly testing based on dichotomy, is characterized in that:
A) N is added up and be recorded as to the circuit number of needs being measured;
B) count N according to the circuit of measuring gained, calculate the number of times M that need to pass into signal, if N=2
x, M=x, if 2
x< N < 2
x+1, M=x+1;
C) circuit number is carried out to decile, if N=2
x, circuit etc. is divided M time, successively circuit is carried out to 2
1, 2
22
mdecile, if 2
x< N < 2
x+1, with 2
mbar circuit, as the circuit number that needs decile, is undertaken 2 by circuit successively
1, 2
22
mdecile;
D) according to decile number of times definite in step c, in the circuit after decile, pass into signal successively, half circuit adds driving signal, second half circuit adds sampled signal, and driving signal and sampled signal is alternately to pass in circuit, and signal is carried out to record passing into after signal, if driving signal detected in the circuit that passes into sampled signal, determine that this circuit and a certain circuit exist short circuit, and in follow-up test process, no longer pass into driving signal to this circuit, only this circuit is sampled;
E) judge and determine to be to have short circuit between those circuits according to the data of record.
In sum, adopt method of testing of the present invention, can test fast in the middle of outlet road whether have short circuit phenomenon, and can accurately determine that those circuits have problems, improved multi-line and whether exist the test speed of short circuit, shortened the test duration.
Embodiment
Below the present invention is further elaborated:
Circuit on-off method for rapidly testing based on dichotomy,
A) N is added up and be recorded as to the circuit number of needs being measured;
B) count N according to the circuit of measuring gained, calculate the number of times M that need to pass into signal, if N=2
x, M=x, if 2
x< N < 2
x+1, M=x+1;
C) circuit number is carried out to decile, if N=2
x, circuit etc. is divided M time, successively circuit is carried out to 2
1, 2
22
mdecile, if 2
x< N < 2
x+1, with 2
mbar circuit, as the circuit number that needs decile, is undertaken 2 by circuit successively
1, 2
22
mdecile;
D) according to decile number of times definite in step c, in the circuit after decile, pass into signal successively, half circuit adds driving signal, second half circuit adds sampled signal, and driving signal and sampled signal is alternately to pass in circuit, and signal is carried out to record passing into after signal, if driving signal detected in the circuit that passes into sampled signal, determine that this circuit and a certain circuit exist short circuit, and in follow-up test process, no longer pass into driving signal to this circuit, only this circuit is sampled;
E) judge and determine to be to have short circuit between those circuits according to the data of record.
Below in conjunction with example, the present invention will be further described;
In the present invention, supposition driving signal is 1, and sampled signal is 0, and in the time of two line shorts, the circuit that loads sampled signal also can record driving signal;
Embodiment mono-: give an example take 8 circuits as example, it is 1,2,3 that 8 circuits are numbered ... 8; Suppose 2 in circuit and 5 short circuits, 3 and 8 short circuits;
8=2 in the present embodiment
3, the number of times that needs messenger is 3, and according to 2 deciles, 4 deciles, 8 deciles, circuit is carried out to decile; Table 1 specific as follows,
Table 1
As seen from the table;
1, for the first time 8 circuits are halved, front 4 tunnels pass into driving signal, rear 4 tunnels pass into driving signal, in circuit 5 and 8, driving signal detected, confirm that circuit 5 and 8 is problem circuit, in follow-up signal loading process, not load driver signal of circuit 5 and 8, loads sampled signal and detects;
2, for the second time 8 circuits are carried out to the quartern, circuit 1-2,6, pass into driving signal, all the other circuits pass into sampled signal, driving signal still can be detected in circuit 5; Circuit 8 does not detect driving signal;
3, for the third time 8 circuits are carried out to eight equal parts, alternately pass into and drive signal and sampled signal, driving signal in circuit 8, still can be detected, and to the data analysis recording, as seen from the table, circuit 2 and 5, circuit 3 is identical with 8 data, be circuit 2 and 5 short circuits, short circuit between circuit 3 and 8.
Embodiment two, gives an example take 10 circuits as example, and it is 1,2,3,4 that 10 circuits are numbered ..., 10, suppose 2,3 and 6 between short circuit;
In the present embodiment 2
3< 10 < 2
4, number that need to be using 16 circuits as the circuit of decile, carries out decile according to 16 circuits the short-circuit state of front 10 circuits is detected, and the number of times that passes into signal is 4 times; Concrete numerical value is from following table known (table 2);
Table 2
As can be known from the above table,
1, halve according to 16 circuits, front 8 circuits pass into driving signal, and circuit 9 and 10 passes into sampled signal;
2, carry out the quartern according to 16 circuits, during due to driving signal and sampled signal, alternately pass into, be that circuit 1-4 passes into driving signal, circuit 5-8 passes into sampled signal, and circuit 9 and 10 passes into driving signal, due to 2 and 6 short circuits, in circuit 6, also can obtain driving signal, determine 6 with a certain line short, in follow-up measuring process, in circuit 6, no longer pass into driving signal, only pass into sampled signal and detect;
3, carry out eight equal parts according to 16 circuits, be circuit 1-2,5 (circuit 6 is defined as and circuit 2 short circuits in preorder step, no longer passes into and drives signal), pass into driving signal in 9-10, in remaining circuit, pass into sampled signal, in the known circuit 3 that passes into sampled signal, record driving signal, determine 3 with a certain line short, in follow-up test process, circuit 3 also no longer passes into driving signal, only passes into sampled signal and detects;
4, carry out 16 deciles according to 16 circuits, be that circuit 1-16 alternately passes into driving signal and sampled signal (has confirmed in preorder step that circuit 3 and 6 exists short circuit problem, drive signal therefore no longer pass into), known according to the list of record sheet, the numerical value of circuit 2,3,6 is identical, can confirm short circuit between circuit 2,3,6.
In sum, adopt method of testing of the present invention, can test fast in the middle of outlet road whether have short circuit phenomenon, and can accurately determine that those circuits have problems, improved multi-line and whether exist the test speed of short circuit, shortened the test duration.
Claims (1)
1. the circuit on-off method for rapidly testing based on dichotomy, it comprises the following steps:
A) N is added up and be recorded as to the circuit number of needs being measured;
B) count N according to the circuit of measuring gained, calculate the number of times M that need to pass into signal, if N=2
x, M=x, if 2
x<N<2
x+1, M=x+1;
C) circuit number is carried out to decile, if N=2
x, circuit etc. is divided M time, successively circuit is carried out to 2
1, 2
22
mdecile, if 2x<N<2x
+ 1, with 2
mbar circuit, as the circuit number that needs decile, is undertaken 2 by circuit successively
1, 2
22
mdecile;
D) according to decile number of times definite in step c, in the circuit after decile, pass into signal successively, half circuit adds driving signal, second half circuit adds sampled signal, and driving signal and sampled signal is alternately to pass in circuit, and signal is carried out to record passing into after signal, if driving signal detected in the circuit that passes into sampled signal, determine that this circuit and a certain circuit exist short circuit, and no longer pass into driving signal to this circuit in follow-up test process, only this circuit is added to sampled signal, and the value of record sampling;
E) judge and determine to be to have short circuit between which circuit according to the data of record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210021127.2A CN102565616B (en) | 2012-01-31 | 2012-01-31 | Circuit on-off rapid testing method on basis of bisection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210021127.2A CN102565616B (en) | 2012-01-31 | 2012-01-31 | Circuit on-off rapid testing method on basis of bisection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102565616A CN102565616A (en) | 2012-07-11 |
| CN102565616B true CN102565616B (en) | 2014-07-02 |
Family
ID=46411530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210021127.2A Active CN102565616B (en) | 2012-01-31 | 2012-01-31 | Circuit on-off rapid testing method on basis of bisection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102565616B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031064B (en) * | 2018-07-24 | 2020-11-06 | 常州同惠电子股份有限公司 | High-voltage binary test method for wire tester |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7225244B2 (en) * | 2000-05-20 | 2007-05-29 | Ciena Corporation | Common command interface |
| US6777970B2 (en) * | 2001-04-19 | 2004-08-17 | Intel Corporation | AC testing of leakage current in integrated circuits using RC time constant |
| CN100367045C (en) * | 2005-03-30 | 2008-02-06 | 中国人民解放军国防科学技术大学 | Circuit connecting line conducting test method based on dichotomy |
| CN101751491A (en) * | 2008-11-28 | 2010-06-23 | 上海电机学院 | Searching method of fuzzy shortest path |
-
2012
- 2012-01-31 CN CN201210021127.2A patent/CN102565616B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102565616A (en) | 2012-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103645382B (en) | On-line battery internal resistance measuring apparatus and measuring method thereof | |
| CN102866322B (en) | A kind of touching device detection method | |
| CN104880605B (en) | The measuring method of the DC internal resistance of battery management system and battery cell | |
| CN101482602A (en) | Detection analysis system of relay-protection tester | |
| CN102928772B (en) | Timing sequence test system and method for testing thereof | |
| CN102520254A (en) | Detection method of insulation resistance of high-precision photovoltaic inverter | |
| CN103777131B (en) | Integrated circuit test system and method for testing | |
| CN103364709A (en) | Functional circuit test system and method for printed circuit board assembly | |
| CN104237803A (en) | Method for detecting electrical property of battery of electric vehicle on basis of battery working condition simulation | |
| CN101968524A (en) | Division test method and tester for multi-point grounding of common loop | |
| CN102565616B (en) | Circuit on-off rapid testing method on basis of bisection method | |
| CN113138347B (en) | Method for collecting battery parameters and calculating residual energy of power battery by double-pulse signals | |
| CN202710695U (en) | Cable detector | |
| CN201319063Y (en) | Detecting and analyzing device of relay protection testing device | |
| CN205210296U (en) | A detecting system for detecting partial discharge detector | |
| CN201811705U (en) | Detection tool of transverse beam assembly of instrument panel of large-sized truck | |
| CN203630348U (en) | Electric energy meter detection tooling plate | |
| CN203249981U (en) | System for detecting connectivity of pins of Dewar flask | |
| CN201594111U (en) | Device for automatically testing voltage drop of fuse holder of automobile | |
| CN111323690A (en) | Test method of multi-channel pulse input circuit of power acquisition terminal | |
| CN104714137A (en) | FPGA (Field Programmable Gate Array)-based measuring system and method for second signal delay time | |
| CN205483008U (en) | Correlation sensor detection tool | |
| CN209784514U (en) | System for automatically calibrating and detecting current and voltage precision of power supply | |
| CN104515923B (en) | The test device of stepper motor | |
| CN202119928U (en) | Analog scaling device for dual laterolog equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGZHOU TAIYU INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHANGZHOU TONGHUI ELECTRONICS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 213022 No. 3 Tianshan Road, Xinbei District, Jiangsu, Changzhou Patentee after: CHANGZHOU TONGHUI ELECTRONICS CO., LTD. Address before: 213022 No. 3 Tianshan Road, Xinbei District, Jiangsu, Changzhou Patentee before: Changzhou Tonghui Electronics Co., Ltd. |