CN201812005U - Performance test box and performance test system for analogue input/output (AI/O) module - Google Patents
Performance test box and performance test system for analogue input/output (AI/O) module Download PDFInfo
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- CN201812005U CN201812005U CN2010205275915U CN201020527591U CN201812005U CN 201812005 U CN201812005 U CN 201812005U CN 2010205275915 U CN2010205275915 U CN 2010205275915U CN 201020527591 U CN201020527591 U CN 201020527591U CN 201812005 U CN201812005 U CN 201812005U
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Abstract
The utility model discloses a performance test box and a performance test system for an analogue input/output (AI/O) module. The test box comprises a power supply module, a gateway module, a signal input interface, an RS232 interface, a controller area network (CAN) network interface, an AO ammeter and an AO voltmeter, wherein the power supply module is externally connected with a power supply through a power supply interface on the box and connected with a power switch, a voltmeter and a voltage regulating knob respectively; and the gateway module is connected with the power supply module, the CAN network interface and the RS232 interface respectively. The test system comprises a computer provided with special control test software. An integrated test box is arranged, the CAN network interface on the box communicates with the tested AI/O module and a computer interface on the box communicates with the computer, so that the tested AI/O module is tested conveniently by the integrated test box. The test box and the test system have high stability and high test efficiency.
Description
Technical field
The utility model relates to the measuring technology of electronic technology field, relates in particular to a kind of analog quantity input/output module performance test case and test macro.
Background technology
Along with the popularization of the growing and electric locomotive of electric locomotive technology, be used for the analog quantity load module that analog quantity is gathered and be used to send the large batch of electric locomotive that is applied in of analog output module of simulation steering order; People are collectively referred to as the AI/O module with this two generic module usually, and the integrity of AI/O module is directly determining the security of electric locomotive.
In view of the importance of AI/O module, the AI/O module of producing need be through strict test.The AI/O module comprises multi-channel A I or AO passage, and each road signal is separate.In order to make the AI/O module satisfy designed functional requirement, every paths of AI/O module all need be through test.The method of testing of each paths of existing AI/O module need provide reference power supply, some test leads, module jointing, multimeter usually, accompany examination gateway or the like element, the element of by test lead all tests being used by the professional and technical personnel couples together, and finishes building of measurement circuit.Realize test respectively by the measurement circuit of building to each paths of AI/O module.
By foregoing description as can be known, existing to the AI/O module testing, need the professional and technical personnel to carry out complicated circuit usually and build, whole process wastes time and energy; And the external circuit instability, causing the test result mistake through regular meeting, testing efficiency is very low.
Summary of the invention
For solving the problems referred to above that prior art exists, the utility model will design analog quantity input/output module performance test case and the test macro that a kind of method of testing is simple, testing efficiency is high, integrated level is high, realizes the convenient test to each paths of AI/O module.
To achieve these goals, the technical solution of the utility model is as follows: a kind of analog quantity input/output module performance test case, comprise power module, gateway module, power switch, voltage table, the voltage-regulation knob, voltage-selected switch, current selected switch, signal input interface, the RS232 interface, the CAN network interface, AO reometer and AO voltage table, described power module and gateway module are installed in the casing, described power switch, voltage table, voltage-selected switch, current selected switch, signal input interface, the RS232 interface, the CAN network interface, AO reometer and AO voltage table are installed on the casing respectively; Described power module is by being located at the power interface external power supply on the casing, and is connected with power switch, voltage table, voltage-regulation knob respectively; Described gateway module is connected with power module, CAN network interface and RS232 interface respectively; Described signal input interface is connected with current selected switch with voltage-selected switch respectively, and voltage-selected switch is connected with the AO reometer with the AO voltage table respectively with current selected switch.
A kind of analog quantity input/output module Performance Test System that comprises aforesaid analog quantity input/output module performance test case, also comprise computing machine, described computing machine is computing machine that special control testing software is installed, and be connected with described analog quantity input/output module performance test case by the RS232 interface, and described analog quantity input/output module performance test case passes through the CAN network interface and is connected with tested AI/O module.
Each functions of components of the utility model is as follows:
Power module: be used for converting the 220V alternating voltage to the 24V DC voltage.
Signal input interface: by outconnector is drawn, be connected, provide simulating signal to tested AI/O module with each analog input channel signaling interface of tested AI/O module.
Power interface: be used for the input of outside 220V power supply, inside links to each other with power module.
CAN network interface: be used to receive input control signal tested AI/O module output, by the transmission of CAN network-bus, the signal of the described input control signal analogue signal generating that to be tested AI/O module receive according to the analog input channel.
Gateway module: be used for obtaining input control signal by the CAN network interface, and be the COMPUTER DETECTION signal according to protocol conversion with input control signal, and export the COMPUTER DETECTION signal to computing machine that testing software is installed by computer interface, carry out the lane testing analysis for the testing software on the computing machine.
AO voltage table and AO reometer: the voltage output and the current output value that are used to indicate tested AI/O module.
Analog quantity output selector switch: comprise voltage-selected switch and current selected switch, be used for output voltage or electric current, select AO voltage table and AO reometer according to tested analog quantity.
Voltage table: be used for testing power supply module output voltage.
Voltage-regulation knob: be used for output voltage according to the voltage-regulation power module of voltage table demonstration.
Power switch: be used to control opening or closing of power module.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is by being provided with the test box of an integrated form, by CAN network interface and the tested AI/O module communication that is provided with on the casing, by computer interface and the compunication that is provided with on the casing, during test, with the corresponding interface butt joint, and can realize test to tested AI/O module channels.Changed when testing in the prior art, need build circuit temporarily, wasted time and energy and the problem of inefficiency, realized by with of the convenient test of integrated form test box tested AI/O module.Test box of the present utility model is simple to operate, easy to use, good stability, testing efficiency height.
Description of drawings
5 in the total accompanying drawing of the utility model, wherein:
Fig. 1 is that test box of the present utility model is formed synoptic diagram;
Fig. 2 is a test box top panel synoptic diagram of the present utility model;
Fig. 3 is a test box front panel synoptic diagram of the present utility model;
Fig. 4 is a test box rear panel synoptic diagram of the present utility model;
Fig. 5 is a test macro connection diagram of the present utility model.
Among the figure, 1, power module, 2, gateway module, 3, power switch, 4, voltage table, 5, the voltage-regulation knob, 6, voltage-selected switch, 7, current selected switch, 8, signal input interface, 9, RS232 interface, 10, the CAN network interface, 11, the AO reometer, 12, AO voltage table, 13, power interface, 14, test box, 15, computing machine, 16, tested AI/O module.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.Shown in Fig. 1-4, a kind of analog quantity input/output module performance test case, comprise power module 1, gateway module 2, power switch 3, voltage table 4, voltage-regulation knob 5, voltage-selected switch 6, current selected switch 7, signal input interface 8, RS232 interface 9, CAN network interface 10, AO reometer 11, AO voltage table 12 and power interface 13, described power module 1 and gateway module 2 are installed in the casing, described power switch 3, voltage table 4, voltage-selected switch 6, current selected switch 7, signal input interface 8, RS232 interface 9, CAN network interface 10, AO reometer 11, AO voltage table 12 and power interface 13 are installed on the casing respectively; Described power module 1 is by being located at power interface 13 external power supplys on the casing, and is connected with power switch 3, voltage table 4, voltage-regulation knob 5 respectively; Described gateway module 2 is connected with power module 1, CAN network interface 10 and RS232 interface 9 respectively; Described signal input interface 8 is connected with current selected switch 7 with voltage-selected switch 6 respectively, and voltage-selected switch 6 is connected with AO reometer 11 with AO voltage table 12 respectively with current selected switch 7.
Shown in Fig. 1-5, a kind of analog quantity input/output module Performance Test System that comprises aforesaid analog quantity input/output module performance test case 14, also comprise computing machine 15, described computing machine 15 is computing machines 15 that special control testing software is installed, and be connected with described analog quantity input/output module performance test case 14 by RS232 interface 9, and described analog quantity input/output module performance test case 14 passes through CAN network interface 10 and is connected with tested AI/O module 16.
Each functions of components of the utility model is as follows:
The input of power module 1 generally is also unstable, can slightly depart from 24V usually, the effect that influence is measured.Be provided with on casing after voltage table 4 and the voltage-regulation knob 5, voltage table 4 is connected with power module 1, is used for testing power supply module 1 output voltage.Voltage-regulation knob 5 also is connected with power module 1, is used for the output voltage according to the voltage-regulation power module 1 of voltage table 4 demonstrations, has guaranteed the accuracy of power module 1 output voltage, to guarantee testing efficiency.
Voltage-selected switch 6 and current selected switch 7 are used for selecting voltage or electric current according to the object output of tested AI/O module 16, show thereby carry out registration by AO voltage table 12 and AO reometer 11, detect the output situation of analog quantity.When being output as voltage signal, the voltage-selected switch 6 of respective channel to be opened, current selected switch 7 cuts out, and this moment, 12 connections of AO voltage table when voltage signal sends, can be read output voltage values by AO voltage table 12.When being output as current signal, the current selected switch 7 of respective channel to be opened, voltage is selected signal at stop, AO reometer 11 connections this moment, test philosophy is the same.
Particularly, with test module AO voltage signal is example, tested AI/O module 16 correctly is connected with test box 14, energized, adjust voltage, each road voltage-selected switch 6 is connected, and current selected switch 7 turn-offs, and the AO voltage table 12 when tested AI/O module 16 sends voltage signal on the test box 14 demonstrates output valve.Tested AI/O module 16 sends voltage signal by host computer 15 controls, the steering order that host computer 15 sends sends to the gateway module 2 of test box 14 by the RS232 network, data form with the CAN network data after the treatment conversion of gateway module 2 is sent to tested AI/O module 16 by the CAN network, controls tested AI/O module 16 and sends analog voltage signal.When testing the analog quantity input function of tested AI/O module 16, test interface outer signal generator, voltage that it sends or current signal are sent into the respective channel of tested AI/O module 16 by connector, voltage or current signal are sent to the gateway module 2 of test box 14 by the protocol conversion of module self with the form of CAN signal, gateway module 2 becomes the RS232 signal with the CAN conversion of signals, send to computing machine 15 by serial line interface, can be by special test software read-out voltage or the current value of installing on the computing machine 15.
The particular location of the total interface that is provided with on the test box 14 of the utility model embodiment is principle with the convenience that uses, and can be arranged on the optional position of handled easily.
Claims (2)
1. analog quantity input/output module performance test case, it is characterized in that: comprise power module (1), gateway module (2), power switch (3), voltage table (4), voltage-regulation knob (5), voltage-selected switch (6), current selected switch (7), signal input interface (8), RS232 interface (9), CAN network interface (10), AO reometer (11), AO voltage table (12) and power interface (13), described power module (1) and gateway module (2) are installed in the casing, described power switch (3), voltage table (4), voltage-selected switch (6), current selected switch (7), signal input interface (8), RS232 interface (9), CAN network interface (10), AO reometer (11), AO voltage table (12) and power interface (13) are installed on the casing respectively; Described power module (1) is by being located at power interface (13) external power supply on the casing, and is connected with power switch (3), voltage table (4), voltage-regulation knob (5) respectively; Described gateway module (2) is connected with power module (1), CAN network interface (10) and RS232 interface (9) respectively; Described signal input interface (8) is connected with current selected switch (7) with voltage-selected switch (6) respectively, and voltage-selected switch (6) is connected with AO reometer (11) with AO voltage table (12) respectively with current selected switch (7).
2. analog quantity input/output module Performance Test System that comprises the described analog quantity input/output module of claim 1 performance test case, also comprise computing machine (15), described computing machine (15) is computing machine (15) that special control testing software is installed, and be connected with described analog quantity input/output module performance test case (14) by RS232 interface (9), and described analog quantity input/output module performance test case (14) passes through CAN network interface (10) and is connected with tested AI/O module (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205275915U CN201812005U (en) | 2010-09-11 | 2010-09-11 | Performance test box and performance test system for analogue input/output (AI/O) module |
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| CN2010205275915U CN201812005U (en) | 2010-09-11 | 2010-09-11 | Performance test box and performance test system for analogue input/output (AI/O) module |
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| CN201812005U true CN201812005U (en) | 2011-04-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331273A (en) * | 2011-08-04 | 2012-01-25 | 江苏茶花电气有限公司 | Multifunctional test device for proximity detector |
| CN102879686A (en) * | 2012-09-29 | 2013-01-16 | 东莞市冠佳电子设备有限公司 | Automatic test device for power adapter |
| CN102944808A (en) * | 2012-11-30 | 2013-02-27 | 上海宏力半导体制造有限公司 | Mass production co-testing method |
| CN107561381A (en) * | 2017-08-16 | 2018-01-09 | 国家电网公司 | A kind of grid interface detection device |
-
2010
- 2010-09-11 CN CN2010205275915U patent/CN201812005U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331273A (en) * | 2011-08-04 | 2012-01-25 | 江苏茶花电气有限公司 | Multifunctional test device for proximity detector |
| CN102331273B (en) * | 2011-08-04 | 2013-07-31 | 江苏茶花电气有限公司 | Multifunctional test device for proximity detector |
| CN102879686A (en) * | 2012-09-29 | 2013-01-16 | 东莞市冠佳电子设备有限公司 | Automatic test device for power adapter |
| CN102879686B (en) * | 2012-09-29 | 2015-07-01 | 东莞市冠佳电子设备有限公司 | Automatic test device for power adapter |
| CN102944808A (en) * | 2012-11-30 | 2013-02-27 | 上海宏力半导体制造有限公司 | Mass production co-testing method |
| CN102944808B (en) * | 2012-11-30 | 2017-04-19 | 上海华虹宏力半导体制造有限公司 | Mass production co-testing method |
| CN107561381A (en) * | 2017-08-16 | 2018-01-09 | 国家电网公司 | A kind of grid interface detection device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20130911 |