CN204495945U - A kind of multi-channel data acquisition status indicator lamp - Google Patents
A kind of multi-channel data acquisition status indicator lamp Download PDFInfo
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- CN204495945U CN204495945U CN201520139190.5U CN201520139190U CN204495945U CN 204495945 U CN204495945 U CN 204495945U CN 201520139190 U CN201520139190 U CN 201520139190U CN 204495945 U CN204495945 U CN 204495945U
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Abstract
The utility model relates to multi-channel data acquisition detection technique field, specifically a kind of multi-channel data acquisition status indicator lamp is disclosed, on described multi-channel data acquisition Duan Mei road, test port is provided with a control circuit board, described control circuit board is connected into an optocoupler between test lead and tested end, at the digital input port DI of induction termination one of described optocoupler; LED light is sealed in over the ground another digital output DO.The utility model advantage is, which solve the problem of the instruction of state in multi-channel data acquisition process, obtain the connection status of every bar passage accurately, make system can according to Determines further work, such as some is operated in cable when not connecting, and can forbid.Represent duty by the flicker controlling pilot lamp, use very clear.Implementation is simply effective, with low cost.
Description
Technical field
The utility model relates to multi-channel data acquisition detection technique field, specifically discloses a kind of multi-channel data acquisition status indicator lamp.
Background technology
Multichannel data collecting technology is more and more extensive in industrial circle application, such as, automatic checkout system on production line, the enforcement monitoring system of bridge, subway, and accuracy and the validity of therefore state display in multi-channel data acquisition process just seem particularly important.
At present at measurement and control area, common practices is before system starts, and carries out initialization to analog input card, by after gather.In real data gatherer process, once complete data acquisition, first needs to ensure that board duty is normal, secondly confirm that the connection between collection terminal and tested end is errorless.But existing way can only detect the initialization of board, all can not indicate accurately and effectively the board duty in testing engineering and cable connection status, therefore cannot point out user according to state and respond.
Utility model content
The utility model object is to provide a kind of multi-channel data acquisition status indicator lamp, which solves the problem of the instruction of state in multi-channel data acquisition process, obtains the connection status of every bar passage accurately, makes system can according to Determines further work.
To achieve these goals, utility model have employed following technical scheme: a kind of multi-channel data acquisition status indicator lamp, on described multi-channel data acquisition Duan Mei road, test port is provided with a control circuit board, described control circuit board is connected into an optocoupler between test lead and tested end, at the digital input port DI of induction termination one of described optocoupler; LED light is sealed in over the ground another digital output DO.
Further, described control circuit board is provided with buffer circuit, amplifying circuit and filtering circuit.
When data acquisition system (DAS) and equipment under test are connected, optocoupler conducting, controls optocoupler induction end and also connects simultaneously, and now DI end is dragged down, and DO end exports 5V high level, and LED is lit.When data collecting card is started working, export low and high level by digital output DO, control LED and start flicker.According to testing requirement, LED control circuit plate increases the functions such as isolation, amplification, filtering.
When after the test cable connecting data acquisition system (DAS), the LED light on each road is lighted, now illustrate that the test cable of all passages all connects normally, if certain LED does not work, illustrate that the cable on this road is connected with problem.Start to gather after initialization board, now LED instruction etc. starts flicker, illustrates that now acquisition state is normal.
The beneficial effects of the utility model are: after adopting technique scheme, which solve the problem of state instruction in multi-channel data acquisition process, obtain the connection status of every bar passage accurately, make system can according to Determines further work, such as some is operated in cable when not connecting, and can forbid.Represent duty by the flicker controlling pilot lamp, use very clear.Implementation is simply effective, with low cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment technical scheme, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only that the utility model is in order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in p-embodiment or description of the prior art is briefly described, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of multi-channel data acquisition status indicator lamp as shown in Figure 1, on described multi-channel data acquisition Duan Mei road, test port is provided with a control circuit board, described control circuit board is connected into an optocoupler between test lead and tested end, at the digital input port DI of induction termination one of described optocoupler; LED light is sealed in over the ground another digital output DO.Described control circuit board is provided with buffer circuit, amplifying circuit and filtering circuit.The utility model can the problem of state instruction in Solving Multichannel data acquisition well.We devise one piece of control circuit board at multi-channel data acquisition Duan Mei road test port.Control circuit board has sealed in an optocoupler between test lead and tested end, at the digital input port DI of induction termination one of optocoupler; A LED light is sealed in another digital output D0 over the ground.When data acquisition system (DAS) and equipment under test are connected, optocoupler conducting, controls optocoupler induction end and also connects simultaneously, and now DI end is dragged down, and D0 end exports 5V high level, and LED is lit.When data collecting card is started working, export low and high level by digital output D0, control LED and start flicker.According to testing requirement, LED control circuit plate can also increase the functions such as isolation, amplification, filtering.
The cable on this road is connected with problem.Start to gather after initialization board, this lights when the LED light on each road after the test cable connecting data acquisition system (DAS), now illustrate that the test cable of all passages all connects normally, if certain LED does not work, during explanation, LED instruction etc. start flicker, illustrate that now acquisition state is normal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a multi-channel data acquisition status indicator lamp, it is characterized in that, on described multi-channel data acquisition Duan Mei road, test port is provided with a control circuit board, described control circuit board is connected into an optocoupler between test lead and tested end, at the digital input port DI of induction termination one of described optocoupler; LED light is sealed in over the ground another digital output DO.
2. a kind of multi-channel data acquisition status indicator lamp according to claim 1, is characterized in that: described control circuit board is provided with buffer circuit, amplifying circuit and filtering circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520139190.5U CN204495945U (en) | 2015-03-11 | 2015-03-11 | A kind of multi-channel data acquisition status indicator lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520139190.5U CN204495945U (en) | 2015-03-11 | 2015-03-11 | A kind of multi-channel data acquisition status indicator lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204495945U true CN204495945U (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520139190.5U Active CN204495945U (en) | 2015-03-11 | 2015-03-11 | A kind of multi-channel data acquisition status indicator lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204495945U (en) |
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2015
- 2015-03-11 CN CN201520139190.5U patent/CN204495945U/en active Active
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