CN112255942A - Data transmission method for test equipment - Google Patents
Data transmission method for test equipment Download PDFInfo
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- CN112255942A CN112255942A CN202011094918.9A CN202011094918A CN112255942A CN 112255942 A CN112255942 A CN 112255942A CN 202011094918 A CN202011094918 A CN 202011094918A CN 112255942 A CN112255942 A CN 112255942A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The invention discloses a data transmission method of test equipment, which comprises a signal acquisition module, a signal processing module, a data compression module, a data transmission module and an upper computer, wherein the output end of the signal acquisition module is electrically connected with the input end of the signal processing module, the output end of the signal processing module is electrically connected with the input end of the data processing module, the output end of the data processing module is electrically connected with the input end of the data compression module, the output end of the data compression module is electrically connected with the input end of the data transmission module, and the output end of the data transmission module is electrically connected with the input end of the upper computer. According to the invention, under the condition that the communication rate and the communication mode are not changed, a new compressed data transmission mode is adopted, so that the data transmission efficiency is greatly improved; in a fixed unit time, the upper computer (computer) receives more test data, and the test sampling frequency is improved.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a data transmission method of test equipment.
Background
The upper computer (computer) of the automatic test equipment needs to communicate data with a plurality of test modules (test detection boards), generally only can adopt a serial communication mode, each test module used on the existing test equipment is provided with a serial communication module, and the serial communication mode has the advantages of simple protocol, convenient realization and suitability for the upper computer and the test modules. The serial communication mode has the defect that the serial communication mode is limited by the communication rate (the rate cannot be selected too fast due to the limitation of hardware devices and interference), and the rate of 57600 is an option with the optimal comprehensive performance after long-term application on automatic equipment. This rate meets the test requirements for signals for most products, but partial signal testing for partial control boards is not sufficient. There are several solutions to this problem: 1. the method has the biggest problems that the communication module of the test module needs to be changed in design, the universality is greatly reduced, and an upper computer (computer) cannot support the communication of a plurality of parallel ports; 2. the method is limited by the test module, due to hardware reasons, part of the test modules cannot adopt the speed higher than 57600, the universality of the equipment can be influenced by adopting high speed of a few modules, and the test efficiency can be influenced by interference in the equipment due to the overhigh speed.
Therefore, a compressed data transmission method of the automatic test equipment is provided.
Disclosure of Invention
The invention aims to provide a data transmission method of test equipment, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a data transmission method of test equipment comprises a signal acquisition module, a signal processing module, a data compression module, a data transmission module and an upper computer, wherein the output end of the signal acquisition module is electrically connected with the input end of the signal processing module, the output end of the signal processing module is electrically connected with the input end of the data processing module, the output end of the data processing module is electrically connected with the input end of the data compression module, the output end of the data compression module is electrically connected with the input end of the data transmission module, and the output end of the data transmission module is electrically connected with the input end of the upper computer; the transmission comprises the following steps:
s1: signal acquisition is carried out through a signal acquisition module;
s2: processing the acquired signals through a signal processing module;
s3: processing the processed new number by a data processing module;
s4: compressing the processed data through a data compression module;
s5: transmitting the compressed data through a data transmission module;
s6: and the upper computer analyzes and displays the received data.
Preferably, the data compression module comprises data division, data sorting and data compression, wherein the data division is connected with the data sorting, and the data sorting is connected with the data compression.
Preferably, the upper computer comprises data analysis and data display, and the data analysis is connected with the data display.
Preferably, in step S1, the signal acquisition module acquires a signal of the target board to be measured.
Preferably, the signal processing module in step S2 is configured to filter and amplify the detected signal acquired in step S1.
Preferably, the data processing module is an MCU data processing module, and in step S3, the MCU data processing module receives the detected signal, converts the signal information into data information, performs software filtering, and performs data compression on the processed signal.
Preferably, in the step S6, the upper computer distributes various control instructions to the test module through the communication circuit.
Compared with the prior art, the invention has the beneficial effects that: under the condition of not changing the communication rate and the communication mode, a new compressed data transmission mode is adopted, so that the data transmission efficiency is greatly improved; in a fixed unit time, the upper computer (computer) receives more test data, and the test sampling frequency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic diagram of a data compression module according to the present invention.
Fig. 3 is a schematic structural diagram of the upper computer of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a data transmission method for a test device includes a signal acquisition module, a signal processing module, a data compression module, a data transmission module, and an upper computer, where an output end of the signal acquisition module is electrically connected to an input end of the signal processing module, an output end of the signal processing module is electrically connected to an input end of the data processing module, an output end of the data processing module is electrically connected to an input end of the data compression module, an output end of the data compression module is electrically connected to an input end of the data transmission module, and an output end of the data transmission module is electrically connected to an input end of the upper computer; the transmission comprises the following steps:
s1: signal acquisition is carried out through a signal acquisition module;
s2: processing the acquired signals through a signal processing module;
s3: processing the processed new number by a data processing module;
s4: compressing the processed data through a data compression module;
s5: transmitting the compressed data through a data transmission module;
s6: and the upper computer analyzes and displays the received data.
Preferably, the data compression module comprises data division, data sorting and data compression, wherein the data division is connected with the data sorting, and the data sorting is connected with the data compression.
Preferably, the upper computer comprises data analysis and data display, and the data analysis is connected with the data display.
Preferably, in step S1, the signal acquisition module acquires a signal of the target board to be measured.
Preferably, the signal processing module in step S2 is configured to filter and amplify the detected signal acquired in step S1.
Preferably, the data processing module is an MCU data processing module, and in step S3, the MCU data processing module receives the detected signal, converts the signal information into data information, performs software filtering, and performs data compression on the processed signal.
Preferably, in the step S6, the upper computer distributes various control instructions to the test module through the communication circuit.
The working principle of the invention is as follows: under the condition of not changing the communication rate and the communication mode, a new compressed data transmission mode is adopted, so that the data transmission efficiency is greatly improved; in a fixed unit time, the upper computer (computer) receives more test data, and the test sampling frequency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a test equipment data transmission method, includes signal acquisition module, signal processing module, data compression module, data transmission module and host computer, its characterized in that: the output end of the signal acquisition module is electrically connected with the input end of the signal processing module, the output end of the signal processing module is electrically connected with the input end of the data processing module, the output end of the data processing module is electrically connected with the input end of the data compression module, the output end of the data compression module is electrically connected with the input end of the data transmission module, and the output end of the data transmission module is electrically connected with the input end of the upper computer; the transmission comprises the following steps:
s1: signal acquisition is carried out through a signal acquisition module;
s2: processing the acquired signals through a signal processing module;
s3: processing the processed new number by a data processing module;
s4: compressing the processed data through a data compression module;
s5: transmitting the compressed data through a data transmission module;
s6: and the upper computer analyzes and displays the received data.
2. The data transmission method of the test equipment according to claim 1, wherein: the data compression module comprises data division, data sorting and data compression, wherein the data division is connected with the data sorting, and the data sorting is connected with the data compression.
3. The data transmission method of the test equipment according to claim 1, wherein: the upper computer comprises data analysis and data display, and the data analysis is connected with the data display.
4. The data transmission method of the test equipment according to claim 1, wherein: and the signal acquisition module in the step S1 acquires a signal of the target board to be measured.
5. The data transmission method of the test equipment according to claim 1, wherein: the signal processing module in step S2 filters and amplifies the detected signal acquired in step S1.
6. The data transmission method of the test equipment according to claim 1, wherein: the data processing module adopts an MCU data processing module, the MCU data processing module in the step S3 receives the detected signal, converts the signal information into data information, performs software filtering processing, and performs data compression processing on the processed signal.
7. The data transmission method of the test equipment according to claim 1, wherein: and in the step S6, the upper computer distributes various control instructions to the test module through the communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011094918.9A CN112255942A (en) | 2020-10-14 | 2020-10-14 | Data transmission method for test equipment |
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| CN202011094918.9A CN112255942A (en) | 2020-10-14 | 2020-10-14 | Data transmission method for test equipment |
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Citations (8)
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| CN103944744A (en) * | 2013-01-21 | 2014-07-23 | 博雅网络游戏开发（深圳）有限公司 | Method and system for log acquisition |
| CN104168148A (en) * | 2014-05-04 | 2014-11-26 | 杭州立地信息技术有限公司 | Multi-interface data collecting device and method |
| CN104199112A (en) * | 2014-06-25 | 2014-12-10 | 国家海洋局第一海洋研究所 | Oceanic electrical prospecting signal collection circuit |
| CN206922811U (en) * | 2017-07-18 | 2018-01-23 | 武汉蜂匠科技有限公司 | A kind of remote data communication equipment based on Internet of Things |
| CN109544651A (en) * | 2018-11-20 | 2019-03-29 | 深圳市墨者安全科技有限公司 | Data compression method, image comparison method and device for image comparison |
| CN209785241U (en) * | 2019-05-23 | 2019-12-13 | 桂林航天工业学院 | water-air stereoscopic communication control system |
| CN111565191A (en) * | 2020-05-07 | 2020-08-21 | 南通保利佳服务外包有限公司 | Data compression and transmission system and method |
| CN111614626A (en) * | 2020-04-26 | 2020-09-01 | 中广核风电有限公司 | Data acquisition system and data acquisition method |
-
2020
- 2020-10-14 CN CN202011094918.9A patent/CN112255942A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944744A (en) * | 2013-01-21 | 2014-07-23 | 博雅网络游戏开发（深圳）有限公司 | Method and system for log acquisition |
| CN104168148A (en) * | 2014-05-04 | 2014-11-26 | 杭州立地信息技术有限公司 | Multi-interface data collecting device and method |
| CN104199112A (en) * | 2014-06-25 | 2014-12-10 | 国家海洋局第一海洋研究所 | Oceanic electrical prospecting signal collection circuit |
| CN206922811U (en) * | 2017-07-18 | 2018-01-23 | 武汉蜂匠科技有限公司 | A kind of remote data communication equipment based on Internet of Things |
| CN109544651A (en) * | 2018-11-20 | 2019-03-29 | 深圳市墨者安全科技有限公司 | Data compression method, image comparison method and device for image comparison |
| CN209785241U (en) * | 2019-05-23 | 2019-12-13 | 桂林航天工业学院 | water-air stereoscopic communication control system |
| CN111614626A (en) * | 2020-04-26 | 2020-09-01 | 中广核风电有限公司 | Data acquisition system and data acquisition method |
| CN111565191A (en) * | 2020-05-07 | 2020-08-21 | 南通保利佳服务外包有限公司 | Data compression and transmission system and method |
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Application publication date: 20210122 |