CN103871221A - Off-line test data acquisition device - Google Patents
Off-line test data acquisition device Download PDFInfo
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- CN103871221A CN103871221A CN201410063178.0A CN201410063178A CN103871221A CN 103871221 A CN103871221 A CN 103871221A CN 201410063178 A CN201410063178 A CN 201410063178A CN 103871221 A CN103871221 A CN 103871221A
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Abstract
The invention discloses an off-line test data acquisition device. The off-line test data acquisition device comprises a signal processing module and a main processor, wherein the signal processing module is placed in a tested object, is connected with a sensor and is used for receiving sensor data and processing the data to obtain test data; the main processor is placed in the tested object, is connected with the signal processing module, and is used for acquiring and caching the test data of the signal processing module according to a control signal; the main processor is further connected with ground data processing equipment through a data transmission interface, and is used for transferring the cached test data to the ground data processing equipment. The off-line test data acquisition device provided by the invention is placed in the tested object to carry out off-line data acquisition, the acquired data can be transmitted in a wireless manner or the data can be transmitted after testing so as to transfer a testing result to the ground data processing equipment to carry out data processing, and thus the problem that a testing result is probably influenced by a cable is effectively solved.
Description
Technical field
The present invention relates to Aeronautics and Astronautics field tests, relate in particular to a kind of off-line test data collector for space science test.
Background technology
At present, in various types of space science tests such as the vibration in Aeronautics and Astronautics field, heat, separation, data acquisition is to be all directly connected in the data acquisition equipment on ground by sensor.In being connected to the data acquisition equipment on ground, the signal on hundreds of road carries out data processing as having tens in satellite test.But, in the test of some singularity, as satellite and device separates test, cannot carry out because the existence of cable can cause test.
Therefore, need to provide a kind of data collector, to solve the problem that may impact test result that exists due to cable.
Summary of the invention
The object of the invention is to, all directly to be connected in the data acquisition equipment on ground by sensor for test data collection in prior art, the problem that the existence of cable may impact test result, a kind of off-line test data collector is provided, insert in tested object, carry out the data acquisition of off-line, the data of collection can adopt in wireless transmission or the test ground data treatment facility that the method for transmission data is transmitted test result afterwards for data processing.
For achieving the above object, the invention provides a kind of off-line test data collector, comprise signal processing module and primary processor; Described signal processing module is inserted in testee and with sensor and is connected, for receiving sensor data and process and obtain test data; Described primary processor is inserted in testee and with described signal processing module and is connected, for the test data of described signal processing module being gathered and buffer memory according to control signal; Described primary processor is further connected with ground data treatment facility by data transmission interface, for the test data of buffer memory is transferred to ground data treatment facility.
It is relevant voltage amount that described signal processing module is further used for described test data conversion.
Optionally, in the time that described voltage exceedes predetermined threshold value, described primary processor gathers and buffer memory the test data of described signal processing module.
Optionally, described primary processor gathers and buffer memory the test data of described signal processing module with the frequency acquisition of presetting.
Optionally, in the time arriving Preset Time, described primary processor gathers and buffer memory the test data of described signal processing module.
Optionally, described data transmission interface is wave point, and described primary processor transfers to ground data treatment facility by the test data of buffer memory in real time by described wave point.
Optionally, described data transmission interface is wireline interface, and described primary processor transfers to ground data treatment facility by the test data of buffer memory by described wireline interface after test finishes.
Further, described device also comprises supply module, and described supply module is connected with described signal processing module and primary processor respectively, for power supply is provided.
The invention has the advantages that: off-line test data collector of the present invention is inserted in tested object, carry out the data acquisition of off-line, the method that the data that gather can adopt transmission data after wireless transmission or test by the ground data treatment facility of test result transmission for data processing, efficiently solve the problem that may impact test result due to the existence of cable.
Brief description of the drawings
Fig. 1, the configuration diagram of off-line test data collector of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of off-line test data collector provided by the invention is elaborated.
With reference to figure 1, the configuration diagram of off-line test data collector of the present invention, described device comprises signal processing module 12, primary processor 14 and supply module 16.
Described signal processing module 12 is inserted in testee and with sensor and is connected, for receiving sensor data and process and obtain test data.
Sensor is arranged in each specific region of testee, sensor type can involving vibrations sensor (vibration transducer 1-n as shown in the figure), gyroscope (the each gyroscope of placing of x, y, z three-dimensional as shown in the figure) and temperature sensor (temperature sensor 1-n as shown in the figure), and these sensors all can adopt conventional on the market model.Described signal processing module 12 receives the test signal of all the sensors, and processes the test data that converts primary processor 14 to and can identify form.For example, the voltage that signal processing module 12 can be 0 ~ 5V by described test data conversion gathers for primary processor 14.Because gyrostatic test signal is voltage, signal processing module 12 can carry out after the conditionings such as filtering, amplification after reception, waits for that primary processor 14 gathers; Because the test signal of vibration transducer is the quantity of electric charge, signal processing module 12 need to carry out the quantity of electric charge and turn voltage processing after reception, and carries out after the conditionings such as filtering, amplification, waits for that primary processor 14 gathers; Because the test signal of temperature sensor is Temperature Quantity, signal processing module 12 need to turn voltage processing in the laggard trip temperature amount of reception, and carries out after the conditionings such as filtering, amplification, waits for that primary processor 14 gathers.
Described primary processor 14 is inserted in testee and with described signal processing module 12 and is connected, for the test data of described signal processing module 12 being gathered and buffer memory according to control signal.
Primary processor 14 can carry out the collection of the test data in described signal processing module 12 under the control of different control signals, comprise trigger pip triggering collection, carry out data acquisition according to default set time control collection and continuity way, and the data of collection are carried out to buffer memory.Described trigger pip triggering collection mode can be in the time that the voltage of the selected a certain road of primary processor 14 or several signals exceedes predetermined threshold value (higher or lower than setting threshold), and primary processor 14 carries out data acquisition; The default set time of described basis is controlled acquisition mode can be in the time that primary processor 14 arrives the time of certain setting, and primary processor 14 carries out data acquisition; Described continuity way can carry out data acquisition with the frequency acquisition of setting for primary processor 14 always.Primary processor 14 is put in the Data classification type of collection in data buffer 141.
Described primary processor 14 is further connected with ground data treatment facility (not shown) by data transmission interface 142, for the test data of buffer memory is transferred to ground data treatment facility.
Primary processor 14 can adopt the method for wire transmission after wireless transmission in test or test to carry out data transmission.In the time that described data transmission interface 142 is wave point, described primary processor 14 transfers to ground data treatment facility by the test data of buffer memory in real time by described wave point and wireless network.In the time that described data transmission interface 142 is wireline interface, described primary processor 14 transfers to ground data treatment facility by the test data of buffer memory by described wireline interface after test finishes.Described wireline interface can be USB, serial ports or Ethernet interface.
Described supply module 16 is connected with described signal processing module 12 and primary processor 14 respectively, provides power supply by power supply interface 161 for described signal processing module 12 and primary processor 14.Described supply module 16 also comprises charging inlet 162 and switch 163, can before test, described supply module 16 be full of to electricity, guarantees that in test, power supply is stable; After test finishes, close by switch 163, stop power supply; Thereby device of the present invention can be reused.
Off-line test data collector of the present invention is inserted in tested object, carry out the data acquisition of off-line, the method that the data that gather can adopt transmission data after wireless transmission or test by the ground data treatment facility of test result transmission for data processing, efficiently solve the problem that may impact test result due to the existence of cable.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. an off-line test data collector, is characterized in that, comprises signal processing module and primary processor;
Described signal processing module is inserted in testee and with sensor and is connected, for receiving sensor data and process and obtain test data;
Described primary processor is inserted in testee and with described signal processing module and is connected, for the test data of described signal processing module being gathered and buffer memory according to control signal;
Described primary processor is further connected with ground data treatment facility by data transmission interface, for the test data of buffer memory is transferred to ground data treatment facility.
2. off-line test data collector according to claim 1, is characterized in that, it is relevant voltage amount that described signal processing module is further used for described test data conversion.
3. off-line test data collector according to claim 2, is characterized in that, in the time that described voltage exceedes predetermined threshold value, described primary processor gathers and buffer memory the test data of described signal processing module.
4. off-line test data collector according to claim 1, is characterized in that, described primary processor gathers and buffer memory the test data of described signal processing module with the frequency acquisition of presetting.
5. off-line test data collector according to claim 1, is characterized in that, in the time arriving Preset Time, described primary processor gathers and buffer memory the test data of described signal processing module.
6. off-line test data collector according to claim 1, is characterized in that, described data transmission interface is wave point, and described primary processor transfers to ground data treatment facility by the test data of buffer memory in real time by described wave point.
7. off-line test data collector according to claim 1, it is characterized in that, described data transmission interface is wireline interface, and described primary processor transfers to ground data treatment facility by the test data of buffer memory by described wireline interface after test finishes.
8. off-line test data collector according to claim 1, is characterized in that, described device also comprises supply module, and described supply module is connected with described signal processing module and primary processor respectively, for power supply is provided.
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| CN201410063178.0A CN103871221A (en) | 2014-02-25 | 2014-02-25 | Off-line test data acquisition device |
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| CN201410063178.0A CN103871221A (en) | 2014-02-25 | 2014-02-25 | Off-line test data acquisition device |
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Cited By (3)
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| CN108052045A (en) * | 2018-01-16 | 2018-05-18 | 中国人民解放军陆军军事交通学院 | A kind of off-line type inertia measurement data acquisition device |
| CN110146762A (en) * | 2019-06-05 | 2019-08-20 | 国网江苏省电力有限公司苏州供电分公司 | A kind of detachable loading tests device suitable for intelligent substation |
| CN111862573A (en) * | 2020-08-20 | 2020-10-30 | 安徽瑞莱尔仪表有限公司 | Sensor data transmission device |
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| CN110146762A (en) * | 2019-06-05 | 2019-08-20 | 国网江苏省电力有限公司苏州供电分公司 | A kind of detachable loading tests device suitable for intelligent substation |
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Application publication date: 20140618 |