CN214623010U - Multi-input multi-output metering device based on switching matrix - Google Patents
Multi-input multi-output metering device based on switching matrix Download PDFInfo
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- CN214623010U CN214623010U CN202120592857.2U CN202120592857U CN214623010U CN 214623010 U CN214623010 U CN 214623010U CN 202120592857 U CN202120592857 U CN 202120592857U CN 214623010 U CN214623010 U CN 214623010U
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Abstract
The utility model discloses a many input many output metering device based on switch matrix, the main content is: the industrial personal computer is connected with the high-precision signal source, the digital multimeter, the oscilloscope and the measured/measured board card are all connected with the switching matrix, and an adjustable matrix module, a control panel and a relay group switching module are installed in the switching matrix. The utility model discloses the operation is reliable and stable, need not insert the equipment interconnecting link again of measuring/metering circuit to make in the measurement/measurement process, the artifical work of changing the connecting wire is greatly simplified, simplifies the program control process, thereby improves the reliability of measuring/measurement process, improved efficiency, reduced the fault rate, reduced the damage risk to equipment.
Description
Technical Field
The utility model relates to an electronics measures technical field, and specifically speaking, in particular to many input many output metering device based on switch matrix.
Background
In the application occasions of large-scale electronic measurement, measurement and the like, the related instruments and devices are various, the measured electronic quantity has a plurality of channels, and when the channels are switched by conventional manual work, the workload is large, and the switching is unreliable and unstable.
When a Fuluke (Fluke)5520A calibrator is used for calibrating signals of 32 channels, the conventional manual switching workload is large; frequent manual operations also tend to damage expensive instrumentation. In addition, in the occasion that a plurality of instruments and equipment are needed to measure a plurality of signals, a manual switching mode is used, so that the workload is large, confusion is easily caused, a signal cable is connected in a wrong way, a measuring result is wrong, and even the instruments and equipment are burnt.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, a many input many output metering device based on switching matrix is disclosed, its operation is reliable and stable, need not insert measurement/metering circuit's equipment interconnecting link again, thereby make in the measurement/metering process, the work of artifical change connecting wire is greatly simplified, the program control process is simplified, thereby improve the reliability of measurement/metering process, the efficiency is improved, the fault rate is reduced, the damage risk to equipment has been reduced.
The utility model provides a technical scheme that its technical problem adopted is: a multi-input multi-output metering device based on a switching matrix comprises an industrial personal computer, a high-precision signal source, the switching matrix, a digital multimeter, an oscilloscope and a measured/measured board card, wherein the industrial personal computer is connected with the high-precision signal source, the digital multimeter, the oscilloscope and the measured/measured board card are all connected with the switching matrix, and an adjustable matrix module, a control panel and a relay group switching module are installed in the switching matrix.
As a preferred embodiment of the utility model, the high-precision signal source adopts the 5520A multi-product calibrator of happiness and position.
As a preferred embodiment of the present invention, the digital multimeter adopts a 33465A digital multimeter.
As a preferred embodiment of the present invention, an RS232 communication module is installed in the switching matrix.
The basic principle of the utility model is that: the industrial personal computer controls the control panel in the switching matrix, controls the state of the switching module of the switching relay group through the control panel, so that equipment needing to be accessed to the measuring/metering circuit is switched on, equipment not needing to be accessed to the measuring/metering circuit is switched off, the industrial personal computer controls a high-precision signal source to input a signal to a measured/metering board card, and the output of the measured/metering board card is measured through a digital multipurpose meter and an oscilloscope; therefore, the work of replacing connecting wires manually in the measuring/metering process is greatly simplified, and the program control process is simplified; therefore, the reliability of the measurement/metering process is improved, the efficiency is improved, the failure rate is reduced, and the damage risk to equipment is reduced.
Compared with the prior art, the utility model has the following advantage:
(1) a multi-input multi-output metering device based on a switching matrix is characterized in that: the industrial personal computer is connected with the high-precision signal source, the digital multimeter, the oscilloscope and the measured/measured board card are all connected with the switching matrix, and an adjustable matrix module, a control panel and a relay group switching module are installed in the switching matrix. The problem of conventional manual switching work load very big, frequent manual operation, also cause the damage to expensive instrument and equipment easily, use the manual mode of switching, not only work load is big, also cause the confusion easily, signal cable connects the mistake, make the measuring result make mistakes, burn instrument and equipment even, thereby make its operation reliable and stable, the equipment disconnection that does not need to insert measurement/measurement circuit, thereby make in the measurement/measurement process, the work of artifical change connecting wire is greatly simplified, simplify the program control process, thereby improve the reliability of measurement/measurement process, the efficiency is improved, the fault rate is reduced, the risk of damage to equipment is reduced.
(2) A multi-input multi-output metering device based on a switching matrix is characterized in that: the high-precision signal source adopts a 5520A multi-product calibrator of Fuluke, the digital multimeter adopts a 33465A digital multimeter, and an RS232 communication module is installed in the switching matrix. The problems of complex structure and poor stability are solved, and therefore the purposes of low cost and stable and reliable operation are achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a working principle diagram of the present invention.
Description of reference numerals:
1: industrial personal computer, 2: high-precision signal source, 3: switching matrix, 4: digital multimeter, 5: an oscilloscope, 6: the board being metered/measured.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:
it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 and fig. 2, it shows the utility model discloses a concrete implementation mode, as shown in the figure, the utility model discloses a many input many output metering device based on switching matrix, include industrial computer 1, high accuracy signal source 2, switching matrix 3, digital multimeter 4, oscilloscope 5 and by measurement/measurement integrated circuit board 6, industrial computer 1 is connected with high accuracy signal source 2, digital multimeter 4, oscilloscope 5 and by measurement/measurement integrated circuit board 6 all with switch matrix 3 continuous, install adjustable matrix module, control panel and relay group switching module in the switching matrix 3.
Preferably, the high-precision signal source 2 adopts a 5520A multi-product calibrator of Fuluke.
Preferably, the digital multi-table 4 is a 33465A digital multi-table.
Preferably, an RS232 communication module is installed in the switching matrix 3.
The basic principle of the utility model is that: the industrial personal computer 1 controls a control panel in the switching matrix 3, controls the state of a switching module of the switching relay group through the control panel, so that equipment needing to be accessed to the measuring/metering circuit is switched on, equipment needing not to be accessed to the measuring/metering circuit is switched off, the industrial personal computer 1 controls the high-precision signal source 2 to input a signal to the measured/metering board card 6, and the output of the measured/metering board card 6 is measured through the digital multimeter 4 and the oscilloscope 5; therefore, the work of replacing connecting wires manually in the measuring/metering process is greatly simplified, and the program control process is simplified; therefore, the reliability of the measurement/metering process is improved, the efficiency is improved, the failure rate is reduced, and the damage risk to equipment is reduced.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (4)
1. A multi-input multi-output metering device based on a switching matrix is characterized in that: the industrial personal computer is connected with the high-precision signal source, the digital multimeter, the oscilloscope and the measured/measured board card are all connected with the switching matrix, and an adjustable matrix module, a control panel and a relay group switching module are installed in the switching matrix.
2. The switching matrix based multiple-input multiple-output metering device of claim 1, wherein: the high-precision signal source adopts a 5520A multi-product calibrator of Fuluke.
3. The switching matrix based multiple-input multiple-output metering device of claim 1, wherein: the digital multimeter adopts a 33465A digital multimeter.
4. The switching matrix based multiple-input multiple-output metering device of claim 1, wherein: and an RS232 communication module is installed in the switching matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592857.2U CN214623010U (en) | 2021-03-23 | 2021-03-23 | Multi-input multi-output metering device based on switching matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592857.2U CN214623010U (en) | 2021-03-23 | 2021-03-23 | Multi-input multi-output metering device based on switching matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214623010U true CN214623010U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120592857.2U Active CN214623010U (en) | 2021-03-23 | 2021-03-23 | Multi-input multi-output metering device based on switching matrix |
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| CN (1) | CN214623010U (en) |
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2021
- 2021-03-23 CN CN202120592857.2U patent/CN214623010U/en active Active
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