CN112904175A - ICT-based multi-point serial test structure and system - Google Patents
ICT-based multi-point serial test structure and system Download PDFInfo
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- CN112904175A CN112904175A CN202011634853.2A CN202011634853A CN112904175A CN 112904175 A CN112904175 A CN 112904175A CN 202011634853 A CN202011634853 A CN 202011634853A CN 112904175 A CN112904175 A CN 112904175A
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- 238000012360 testing method Methods 0.000 title claims abstract description 156
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000010998 test method Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention provides an ICT-based multi-point serial test structure and system, wherein a control terminal of the multi-point serial test structure is connected with a main control board, and the main control board is correspondingly connected with a switch board; the control terminal stores a plurality of test modes, determines a main control board needing serial connection according to an input test mode selection instruction, and sends a serial connection instruction to the main control board; the switch board is connected with the PCBA, power is supplied to the PCBA through the switch board, test data of the PCBA are collected, the main control board receives the test data, and the test data are sent to the control terminal; the main control boards are connected through a bus, receive serial connection instructions of the control terminals and are connected in series through the bus to adjust the number of test points. The invention can flexibly expand the number of the measurable points according to the number of the test points of the PCBA, meets the test of PCBA with different points, avoids the problem of needing a plurality of sets of equipment for test or testing for a plurality of times, reduces the test cost, improves the test efficiency, and saves the labor cost and the production cost.
Description
Technical Field
The invention relates to the field of test equipment, in particular to an ICT-based multi-point serial test structure and system.
Background
In the ICT test equipment at present, many equipment support the biggest measurable point number to limit, to some components many, the PCBA board that the required test point number is greater than the biggest measurable point number, this problem often can't be solved to these test equipment, can only a PCBA board measure respectively with many sets of test equipment, or a PCBA board measures in minutes many times, has so both increased test cost, has reduced efficiency again, is unfavorable for production.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an ICT-based multi-point serial test structure and system, wherein a control terminal is connected with a main control board, a switch board is controlled by the main control board, and one or more main control boards are controlled to be connected in series according to a test mode, so that the connected switch boards simultaneously measure one PCBA, the number of measurable points can be flexibly expanded according to the number of test points of the PCBA, the test on PCBA with different points is met, the problem that a plurality of sets of equipment are required to be tested or tested for multiple times is avoided, the test cost is reduced, the test efficiency is improved, and the labor cost and the production cost are saved.
In order to solve the above problems, the present invention adopts a technical solution as follows: an ICT-based multi-drop serial test structure, the multi-drop serial test structure comprising: the control system comprises a control terminal, at least two main control boards and at least two groups of switch boards, wherein the control terminal is connected with the main control boards, and the main control boards are correspondingly connected with the switch boards; the control terminal stores a plurality of test modes, determines a main control board needing serial connection according to an input test mode selection instruction, and sends a serial connection instruction to the main control board; the switch board is connected with the PCBA, power is supplied to the PCBA through the switch board, test data of the PCBA are collected, the main control board receives the test data, and the test data are sent to the control terminal; the main control boards are connected through a bus, receive the serial connection instruction of the control terminal and are connected in series through the bus to adjust the number of test points.
Furthermore, the main control board is provided with a USB interface, and the control terminal is connected with the main control board through the USB interface and receives the test data.
Furthermore, the number of the main control boards is 4, the number of the switch boards is 4, and each main control board is correspondingly connected with one group of switch boards.
Further, the main control board is an ATM board.
Furthermore, the number of the test points of each group of switch boards is 2048.
Based on the same inventive concept, the invention also provides a PCBA board testing method, which comprises the following steps: s101: the control terminal receives an input test mode selection instruction, whether the main control board is controlled to be in serial connection or not is judged according to the test mode selection instruction, if yes, S102 is executed, and if not, S103 is executed; s102: determining a main control board needing serial connection according to the test mode, and sending a serial connection instruction to the main control board, wherein the main control board is connected with the corresponding main control board in series according to the serial connection instruction so as to adjust the number of test points; s103: and sending a test instruction to the main control board, controlling the switch board to supply power to the PCBA and collect test data of the PCBA according to the test instruction after the main control board receives the test instruction, receiving the test data by the main control board, and sending the test data to the control terminal.
Furthermore, the main control board is provided with a USB interface, and the control terminal is connected with the main control board through the USB interface and receives the test data.
Furthermore, the number of the main control boards is 4, the number of the switch boards is 4, and each main control board is correspondingly connected with one group of switch boards.
Further, the main control board is an ATM board.
Furthermore, the number of the test points of each group of switch boards is 2048.
Compared with the prior art, the invention has the beneficial effects that: the control terminal is connected with the main control board, the switch board is controlled through the main control board, and one or more main control boards are controlled to be connected in series according to the test mode, so that the switch board connected with the control terminal can measure one PCBA board simultaneously, the number of measurable points can be flexibly expanded according to the number of test points of the PCBA board, the test of PCBA boards with different points is met, the problem that multiple sets of equipment are required to be tested or tested for multiple times is solved, the test cost is reduced, the test efficiency is improved, and the labor cost and the production cost are saved.
Drawings
FIG. 1 is a structural diagram of an embodiment of an ICT-based multi-point serial test structure according to the present invention;
FIG. 2 is a flow chart of an embodiment of a PCBA board testing method according to the present invention.
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.
Referring to fig. 1, in which fig. 1 is a structural diagram of an embodiment of an ICT-based multi-drop serial test structure according to the present invention, the ICT-based multi-drop serial test structure according to the present invention is described in detail with reference to fig. 1.
In this embodiment, the multi-point serial test structure includes: the control terminal is connected with the main control boards, and the main control boards are correspondingly connected with the switch boards; the control terminal stores a plurality of test modes, determines a main control board needing serial connection according to an input test mode selection instruction, and sends a serial connection instruction to the main control board; the switch board is connected with the PCBA, power is supplied to the PCBA through the switch board, test data of the PCBA are collected, the main control board receives the test data, and the test data are sent to the control terminal; the main control boards are connected through a bus, receive serial connection instructions of the control terminals and are connected in series through the bus to adjust the number of test points.
In this embodiment, the number of the main control boards requiring serial connection in different test modes is stored in the control terminal, and the switch board for testing the PCBA is obtained through the main control board, so as to determine the main control board requiring serial connection according to the switch board.
In this embodiment, the main control board is connected with a plurality of switch boards, and controls the switch boards to collect test data of the PCBA board.
In this embodiment, the number of the switch boards is 4, and the number of the main control boards is four. In other embodiments, the number of the main control board and the number of the switch boards may also be set according to actual requirements, and only the main control board needs to be able to control the switch boards, and the control terminal is able to control the main control board, which is not limited herein.
In this embodiment, the control terminal is a computer, and the main control board is an ATM main control board, and in other embodiments, the control terminal may also be a CPU, an SOC, and other processors capable of receiving instructions, receiving data transmitted by the main control board, and controlling the main control board and the control switch. The main control board may also be other types of main control boards on the market, and is not limited herein.
In this embodiment, each group of switch boards includes 6 switch boards, and in other embodiments, each group of switch boards may also include 3, 4, 5, and other numbers of switch boards, and only the main control board needs to be able to control the switch boards, which is not limited herein.
In this embodiment, the bus may be a serial bus, and the main control board and the switch board are connected through the serial bus to implement multi-stage serial connection so as to implement testing of the same PCBA board.
In this embodiment, the main control board is provided with a USB interface, and the control terminal is connected to the main control board through the USB interface and receives the test data. In other embodiments, the main control board may also be provided with an ethernet port, an RS232 interface, and other data interfaces capable of being connected to the control terminal, and the main control board and the control terminal may also be provided with a wireless communication module, so that the main control board and the control terminal are wirelessly connected through the wireless communication module.
In this embodiment, the number of test points of each group of switch boards is 2048. In other embodiments, the test points of the processor can be also processed by other main control boards.
In this embodiment, the control terminal stores a specific scoring structure, can flexibly switch the test mode through the specific scoring structure, and determines the main control board to be connected in series according to the switched test module.
In other embodiments, the control terminal may also determine a test mode according to the number of test points of the input PCBA board, and further determine the main control board that needs to be connected in series according to the test mode.
Compared with the prior art, the invention has the following advantages:
1, the application range is wide, and the number of points is expanded in a multi-stage series connection manner;
2, the flexibility is high, and multiple modes are flexibly combined, so that the requirement of flexibly switching different points is met;
3, the cost is reduced, and the integration level is high;
4, the platform has stable functions and has the advantage of centralized control of a set of software;
5, the precision is high, high-efficient, and the test time is short, practices thrift the cost of labor.
Has the advantages that: the ICT-based multi-point serial test structure connects the control terminal with the main control board, controls the switch board through the main control board, and controls one or more main control boards to be connected in series according to the test mode, so that the connected switch board can measure one PCBA board at the same time, the number of measurable points can be flexibly expanded according to the number of test points of the PCBA board, the test of PCBA boards with different points is met, the problem that multiple sets of equipment test or multiple tests are needed is solved, the test cost is reduced, the test efficiency is improved, and the labor cost and the production cost are saved.
Based on the same inventive concept, the present invention further provides a PCBA board testing method, please refer to fig. 2, fig. 2 is a flowchart of an embodiment of the PCBA board testing method of the present invention, and the PCBA board testing method of the present invention is explained with reference to fig. 2.
In this embodiment, the PCBA board test method includes:
s101: the control terminal receives an input test mode selection instruction, whether the main control board is controlled to be in serial connection or not is judged according to the test mode selection instruction, if yes, S102 is executed, and if not, S103 is executed.
S102: and determining a main control board needing serial connection according to the test mode, sending a serial connection instruction to the main control board, and connecting the main control board with the corresponding main control board in series according to the serial connection instruction so as to adjust the number of test points.
S103: and sending a test instruction to the main control board, controlling the switch board to supply power to the PCBA and collect test data of the PCBA according to the test instruction after the main control board receives the test instruction, receiving the test data by the main control board, and sending the test data to the control terminal.
In this embodiment, the number of the main control boards requiring serial connection in different test modes is stored in the control terminal, and the switch board for testing the PCBA is obtained through the main control board, so as to determine the main control board requiring serial connection according to the switch board.
In this embodiment, the multi-point serial test structure includes: the control terminal is connected with the main control boards, and the main control boards are correspondingly connected with the switch boards; the control terminal stores a plurality of test modes, determines a main control board needing serial connection according to an input test mode selection instruction, and sends a serial connection instruction to the main control board; the switch board is connected with the PCBA, power is supplied to the PCBA through the switch board, test data of the PCBA are collected, the main control board receives the test data, and the test data are sent to the control terminal; the main control boards are connected through a bus, receive serial connection instructions of the control terminals and are connected in series through the bus to adjust the number of test points.
In this embodiment, the main control board is connected with a plurality of switch boards, and controls the switch boards to collect test data of the PCBA board.
In this embodiment, the number of the switch boards is 4, and the number of the main control boards is four. In other embodiments, the number of the main control board and the number of the switch boards may also be set according to actual requirements, and only the main control board needs to be able to control the switch boards, and the control terminal is able to control the main control board, which is not limited herein.
In this embodiment, the control terminal is a computer, and the main control board is an ATM main control board, and in other embodiments, the control terminal may also be a CPU, an SOC, and other processors capable of receiving instructions, receiving data transmitted by the main control board, and controlling the main control board and the control switch. The main control board may also be other types of main control boards on the market, and is not limited herein.
In this embodiment, each group of switch boards includes 6 switch boards, and in other embodiments, each group of switch boards may also include 3, 4, 5, and other numbers of switch boards, and only the main control board needs to be able to control the switch boards, which is not limited herein.
In this embodiment, the bus may be a serial bus, and the main control board and the switch board are connected through the serial bus to implement multi-stage serial connection so as to implement testing of the same PCBA board.
In this embodiment, the main control board is provided with a USB interface, and the control terminal is connected to the main control board through the USB interface and receives the test data. In other embodiments, the main control board may also be provided with an ethernet port, an RS232 interface, and other data interfaces capable of being connected to the control terminal, and the main control board and the control terminal may also be provided with a wireless communication module, so that the main control board and the control terminal are wirelessly connected through the wireless communication module.
In this embodiment, the number of test points of each group of switch boards is 2048. In other embodiments, the test points of the processor can be also processed by other main control boards.
In this embodiment, the control terminal stores a specific scoring structure, can flexibly switch the test mode through the specific scoring structure, and determines the main control board to be connected in series according to the switched test module.
In other embodiments, the control terminal may also determine a test mode according to the number of test points of the input PCBA board, and further determine the main control board that needs to be connected in series according to the test mode.
Compared with the prior art, the invention has the following advantages:
1, the application range is wide, and the number of points is expanded in a multi-stage series connection manner;
2, the flexibility is high, and multiple modes are flexibly combined, so that the requirement of flexibly switching different points is met;
3, the cost is reduced, and the integration level is high;
4, the platform has stable functions and has the advantage of centralized control of a set of software;
5, the precision is high, high-efficient, and the test time is short, practices thrift the cost of labor.
Has the advantages that: the PCBA board testing method connects the control terminal with the main control board, controls the switch board through the main control board, and controls one or more main control boards to be connected in series according to the testing mode, so that the switch board connected with the switch board can measure one PCBA board at the same time, the number of measurable points can be flexibly expanded according to the number of testing points of the PCBA board, the testing of PCBA boards with different points is met, the problem that a plurality of sets of equipment are required to be tested or a plurality of times of tests are avoided, the testing cost is reduced, the testing efficiency is improved, and the labor cost and the production cost are saved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An ICT-based multi-drop serial test structure, comprising: the control system comprises a control terminal, at least two main control boards and at least two groups of switch boards, wherein the control terminal is connected with the main control boards, and the main control boards are correspondingly connected with the switch boards;
the control terminal stores a plurality of test modes, determines a main control board needing serial connection according to an input test mode selection instruction, and sends a serial connection instruction to the main control board;
the switch board is connected with the PCBA, power is supplied to the PCBA through the switch board, test data of the PCBA are collected, the main control board receives the test data, and the test data are sent to the control terminal;
the main control boards are connected through a bus, receive the serial connection instruction of the control terminal and are connected in series through the bus to adjust the number of test points.
2. The ICT-based multi-point serial test structure according to claim 1, wherein the main control board is provided with a USB interface, and the control terminal is connected with the main control board through the USB interface and receives the test data.
3. The ICT-based multi-point serial test structure of claim 1, wherein the number of the main control boards is 4, the number of the switch boards is 4, and each main control board is correspondingly connected with one group of switch boards.
4. The ICT-based multi-drop serial test architecture according to claim 1, wherein the master control board is an ATM board.
5. The ICT-based multi-drop serial test architecture of claim 1, wherein the number of test points per group of switch boards is 2048 points.
6. A PCBA board test method is characterized by comprising the following steps:
s101: the control terminal receives an input test mode selection instruction, whether the main control board is controlled to be in serial connection or not is judged according to the test mode selection instruction, if yes, S102 is executed, and if not, S103 is executed;
s102: determining a main control board needing serial connection according to the test mode, and sending a serial connection instruction to the main control board, wherein the main control board is connected with the corresponding main control board in series according to the serial connection instruction so as to adjust the number of test points;
s103: and sending a test instruction to the main control board, controlling the switch board to supply power to the PCBA and collect test data of the PCBA according to the test instruction after the main control board receives the test instruction, receiving the test data by the main control board, and sending the test data to the control terminal.
7. The PCBA board test method as recited in claim 6, wherein the main control board is provided with a USB interface, and the control terminal is connected with the main control board through the USB interface and receives the test data.
8. The PCBA board test method as recited in claim 6, wherein the number of the main control boards is 4, the number of the switch boards is 4 groups, and each main control board is correspondingly connected with one group of the switch boards.
9. The PCBA board testing method as recited in claim 6, wherein the master control board is an ATM board.
10. The PCBA board testing method as recited in claim 6, wherein the number of test points of each group of the switch boards is 2048 points.
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| CN202011634853.2A CN112904175A (en) | 2020-12-31 | 2020-12-31 | ICT-based multi-point serial test structure and system |
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