CN202018386U - Alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) - Google Patents
Alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) Download PDFInfo
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- CN202018386U CN202018386U CN2010206776051U CN201020677605U CN202018386U CN 202018386 U CN202018386 U CN 202018386U CN 2010206776051 U CN2010206776051 U CN 2010206776051U CN 201020677605 U CN201020677605 U CN 201020677605U CN 202018386 U CN202018386 U CN 202018386U
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Abstract
An alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) comprises a testing computer, a switch, a PXI system, a signal conditioning circuit and a sensor cabinet. A sensor of the sensor cabinet is mounted in a tested object, is companied with the tested object, acquires detection signals of the tested object and realizes communication connection of the acquired signal with the signal conditioning circuit by the aid of electric signals, the signal conditioning circuit is electrically connected with the PXI system, realizes signal conditioning processing of the signals inputted by the sensor, and transmits signals to the PXI system after the signals are processed, the PXI system consists of a PXI controller and an acquisition card, testing control of signals is completed by the aid of the PXI system, the PXI system transmits testing data to the computer via the switch after testing of various parameters is completed under control of the computer, and the computer realizes follow-up data processing.
Description
Technical field
The utility model relates to a kind of monitoring device of locomotive operation situation, is specifically related to a kind of interchange transmission test macro, belongs to the observation and control technology field.
Background technology
Traditional interchange transmission test macro adopts the traditional test instrument to carry out data acquisition, analyzes record.There is following shortcoming in this mode: test channel is few, the test data flow is few, can only carry out local operation, can not store Large Volume Data, can not generate test report automatically, labour intensity is big, and efficient is low.Adopt traditional instrument, only be suitable for two and reach with the position test simultaneously of leaving office.Traditional interchange transmission test macro is limited by the restriction of traditional test instrument hardware, and a cover system can only be tested 6 road electric currents simultaneously, 6 road voltages, 1 road torque rotary speed signal.Existing interchange transmission test macro consists of the following components: traditional test instrument, signal conditioning circuit (equipment), other annexes (seeing shown in the accompanying drawing 1).Traditional interchange transmission test macro exists: complex structure, complex operation, dangerous (needing operating personnel at the tested object execute-in-place), workload big (needing operating personnel frequently to change cable), manpower requirement big (needs many people operate simultaneously), length consuming time, can not generate deficiency such as report in real time, so necessary this further be improved.
The utility model content
The purpose of this utility model is exactly the deficiency at traditional interchange transmission test macro, the novel interchange transmission test macro that provide a kind of simplified operation flow process, improves security, reduces workload, shortens setup time, raises the efficiency.
The purpose of this utility model is achieved through the following technical solutions, and a kind of interchange transmission test macro based on PXI comprises test computer, switch, PXI system, signal conditioning circuit, sensor cabinet.The sensor of sensor cabinet is installed in the measurand, accompanies together with measurand, gathers the detection signal of measurand, and the signal of gathering is connected with the signal conditioning circuit communication by electric signal; Signal conditioning circuit is electrically connected with the PXI system, and signal conditioning circuit carries out the signal condition processing with the signal of sensor input, and the signal after will handling sends the PXI system to; The PXI system and device comprises PXI controller and capture card, finish the test control of signal by the PXI system, and under the control of computing machine, finish test to various parameters after, by the PXI system test data is sent to computing machine by switch, carries out follow-up data processing by computing machine again.
The utility model advantage:
The utility model is owing to adopted PXI to substitute traditional instrument, avoided complicated test line, improved safety of operators, reduced test preliminary work labour intensity, reduced the test preliminary work time, reduced the instrument that the single test needs.The utility model is by the network remote-controlled operation; The utility model patent can realize the input of 56 tunnel signal Synchronization sampled analog, and 64 tunnel signal asynchronous sampled analog inputs can realize 500 kS/s/ passages, can realize the Large Volume Data Network Transmission; Integrated torque rotary speed measuring; Have very strong extendability, can realize networking, the communication of many testing tools by network.
Description of drawings
Fig. 1 is existing interchange transmission test principle synoptic diagram;
Fig. 2 is an interchange transmission test principle synoptic diagram of the present utility model;
Fig. 3 is the principle schematic of an embodiment of the present utility model;
Fig. 4 is a signal processing flow synoptic diagram of the present utility model.
Among the figure: 1, test computer, 2, switch, 3, the PXI system, 4, signal conditioning circuit, 5, the sensor cabinet, 6, measurand.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 2, from accompanying drawing as can be seen the utility model relate to a kind of interchange transmission test macro based on PXI, comprise test computer 1, switch 2, PXI system 3, signal conditioning circuit 4, sensor cabinet 5.The sensor of sensor cabinet 5 is installed in the measurand 6, accompanies together with measurand 6, gathers the detection signal of measurand 6, and the signal of gathering is connected with signal conditioning circuit 4 communications by electric signal; Signal conditioning circuit 4 carries out the signal condition processing with the signal of sensor input, and the signal after will handling sends PXI system 3 to; PXI system 3 comprises PXI controller and capture card, finish the test control of signal by PXI system 3, and under the control of test computer 1, after finishing test to various parameters, by PXI system 3 test data is sent to test computer 1 by switch, carries out follow-up data processing by test computer 1 again.The tested object state becomes current signal after the sensor conversion, the entering signal modulate circuit is transformed into voltage signal then, sends into capture card again, at last by test computer result of calculation, finally forms form as requested.
Embodiment one
As shown in Figure 3-4, a kind of interchange transmission test macro based on PXI comprises a test computer, switch, 2 PXI systems, 7 synchronous collecting card, 3 asynchronous collecting cards, 10 block signal modulate circuit plates, 6 sensor cabinets.The sensor of sensor cabinet is installed in the measurand, accompanies together with measurand, gathers the detection signal of measurand, and the signal of gathering is connected with the signal conditioning circuit communication by electric signal; Signal conditioning circuit is electrically connected with two PXI systems; The PXI system comprises PXI controller and capture card, wherein, a PXI system is provided with 7 synchronous collecting card, and synchronous collecting card receives the synchronizing signal that synchro pick-up is gathered, another PXI system is provided with 3 asynchronous collecting cards, and the asynchronous signal of asynchronous sensor acquisition is received in the asynchronous collecting clamping; Signal conditioning circuit carries out the signal condition processing with the signal of sensor input, and the signal after will handling sends the PXI system to; Finish the test control of signal by the PXI system, and under the control of computing machine, finish test to various parameters after, by the PXI system test data is sent to computing machine by switch, carry out follow-up data processing by computing machine again.Wherein, a PXI system is a back-up system, and 3 asynchronous collecting cards are standby capture card.Described testing process is as shown in Figure 4:
1, tested object (combined-voltage, current signal) becomes corresponding current signal through voltage, current sensor conversion;
2, current signal becomes corresponding voltage signal through signal conditioning circuit;
3 and tested object (torque, rotating speed) becomes corresponding frequency signal through the conversion of torque, speed probe;
4, frequency signal becomes corresponding current signal through frequency/current converter;
5, voltage signal becomes original data signal through the collection of PXI capture card;
6, original data signal is sent into test computer via switch.
The tested object state becomes current signal after the sensor conversion, the entering signal modulate circuit is transformed into voltage signal then, sends into capture card again, at last by test computer result of calculation, finally forms form as requested.
Claims (3)
1. the interchange transmission test macro based on PXI is characterized in that: comprise test computer, switch, PXI system, signal conditioning circuit, sensor cabinet; The sensor of sensor cabinet is installed in the measurand, accompanies together with measurand, gathers the detection signal of measurand, and the signal of gathering is connected with the signal conditioning circuit communication by electric signal; Signal conditioning circuit carries out the signal condition processing with the signal of sensor input, and the signal after will handling sends the PXI system to; Finish the test control of signal by the PXI system, and under the control of test computer, finish test to various parameters after, by the PXI system test data is sent to test computer by switch, carry out follow-up data processing by test computer again.
2. the interchange transmission test macro based on PXI as claimed in claim 1, it is characterized in that: described PXI system and device has two, and wherein a PXI system is a back-up system.
3. the interchange transmission test macro based on PXI as claimed in claim 1, it is characterized in that: described PXI system and device comprises PXI controller and capture card, wherein, a PXI system is provided with synchronous collecting card, synchronous collecting card receives the synchronizing signal that synchro pick-up is gathered, another PXI system is provided with the asynchronous collecting card, and the asynchronous signal of asynchronous sensor acquisition is received in the asynchronous collecting clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206776051U CN202018386U (en) | 2010-12-24 | 2010-12-24 | Alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206776051U CN202018386U (en) | 2010-12-24 | 2010-12-24 | Alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) |
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| Publication Number | Publication Date |
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| CN202018386U true CN202018386U (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206776051U Expired - Lifetime CN202018386U (en) | 2010-12-24 | 2010-12-24 | Alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163398A (en) * | 2011-12-14 | 2013-06-19 | 中国广东核电集团有限公司 | System and method of nuclear power station Berea panel reliability detection |
| CN103683512A (en) * | 2013-12-23 | 2014-03-26 | 国家电网公司 | Power system energy efficiency test management system and test method |
| CN104280054A (en) * | 2014-11-06 | 2015-01-14 | 株洲南车时代电气股份有限公司 | Data recording device |
| CN108107251A (en) * | 2017-12-05 | 2018-06-01 | 南京海道普数据技术有限公司 | Multichannel instantaneous state recorder and acquisition method |
-
2010
- 2010-12-24 CN CN2010206776051U patent/CN202018386U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103163398A (en) * | 2011-12-14 | 2013-06-19 | 中国广东核电集团有限公司 | System and method of nuclear power station Berea panel reliability detection |
| CN103163398B (en) * | 2011-12-14 | 2016-01-27 | 中国广核集团有限公司 | Nuclear power station Berea panel reliability detection system and method |
| CN103683512A (en) * | 2013-12-23 | 2014-03-26 | 国家电网公司 | Power system energy efficiency test management system and test method |
| CN104280054A (en) * | 2014-11-06 | 2015-01-14 | 株洲南车时代电气股份有限公司 | Data recording device |
| CN108107251A (en) * | 2017-12-05 | 2018-06-01 | 南京海道普数据技术有限公司 | Multichannel instantaneous state recorder and acquisition method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHUZHOU TIMES EQUIPMENT TECHNOLOGY CO., LTD. Assignor: Zhuzhou CSR Times Electric Co., Ltd. Contract record no.: 2012430000007 Denomination of utility model: Alternating-current transmission testing system based on PXI (peripheral component interconnect extensions for instrumentation) Granted publication date: 20111026 License type: Exclusive License Record date: 20120224 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412000 Hunan Province, Zhuzhou Shifeng District Tian Xin era Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: 412000 Hunan Province, Zhuzhou Shifeng District Tian Xin era Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |