CN102147441A - Monitoring circuit and method - Google Patents
Monitoring circuit and method Download PDFInfo
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- CN102147441A CN102147441A CN2011100638112A CN201110063811A CN102147441A CN 102147441 A CN102147441 A CN 102147441A CN 2011100638112 A CN2011100638112 A CN 2011100638112A CN 201110063811 A CN201110063811 A CN 201110063811A CN 102147441 A CN102147441 A CN 102147441A
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Abstract
The invention provides a monitoring circuit (1) comprising an input unit (11), a control unit (12) and an output unit (13), wherein the input unit (11) is used for transmitting a monitoring signal representing the state of a line and/ or signal to the control unit (12); the control unit (12) is used for comparing the state with the original state of the line/ or signal according to the received monitoring signal so as to judge whether the state of the line and/ or signal is changed or not, and when the state of the line and/ or signal is changed, a control signal is sent to the output unit (13); and the output unit (13) is used for outputting the state change of the line and/ or signal according to the received control signal. According to the monitoring circuit provided by the invention, the fault of the line and/ or signal can be quickly checked so as to greatly lighten the working intensity of the maintenance personnel and improve the accuracy on checking the fault of the line and/ or signal. In addition, according to requirements, the function can be started or closes at any time, thereby improving the flexibility on monitoring the line and/ or signal.
Description
Technical field
The present invention relates to the supervisory circuit technical field, relate in particular to a kind of circuit and method for supervising thereof that is used for the state of monitoring circuit and/or signal.
Background technology
At present, pilot lamp or prompt tone are equipment running status monitoring means common in the circuit.But present pilot lamp often the transmission of a circuit and/or signal conducting and disconnect two states.For example, use the light on and off of pilot lamp usually, the green of perhaps using pilot lamp comes the transmission of circuit and/or signal to be in conducting and off-state with red.By this demonstration, people can judge the state of circuit and/or signal transmission, and then can find the circuit and/or the signal transmission of breaking down.For example, when pilot lamp is in the state that goes out or shows redly, then the transmission of circuit correspondingly and/or signal may be broken down, and causes undesirable disconnection.
This pilot lamp display mode of using is suitable for when the fault of the circuit of searching transmission of single circuit and/or signal or negligible amounts and/or signal transmission at present.But, when circuit and/or amount of signal transmission is more, than complicated situation under, existing use two states is used for fault demonstration and circuit and/or the signal transmission is searched very inconvenient.Because in a large amount of circuits and/or signal transmission, there are some before breaking down, just to be in off-state, some are arranged is at work to become off-state owing to break down by conducting state, causes people to be not easy to judge that fault has appearred in which circuit and/or signal transmission like this.In order to find the transmission of faulty line and/or signal, people have to spend the plenty of time and investigate one by one, have not only expended a large amount of searching the time, and have very easily made mistakes when searching, and have influenced work efficiency greatly.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is, the how variation of the state of monitoring circuit and/or signal, and further the variation with state shows, thereby realizes searching fast circuit and/or signal fault.
(2) technical scheme
In order to solve the problems of the technologies described above, the present invention proposes a kind of circuit-mode, can enable as required, can have the third indicating status except that two kinds of indicating status of the prior art after enabling, the variation of the state of its indication circuit and/or signal, thus be convenient to multi-path line and/or signal are carried out failure monitoring and search.
To achieve these goals, the invention provides a kind of supervisory circuit, comprising: input block is used for transmitting the pilot signal of representing circuit and/or signal condition to control module; Control module, be used for according to the pilot signal that receives, the state of this circuit and/or signal and the previous status of this circuit and/or signal are compared, whether change with the state of judging circuit and/or signal, when the state of circuit and/or signal changes, transmit control signal to output unit; Output unit is used for according to the control signal that receives, the state variation of outlet line and/or signal.
Preferably, output unit comprises pilot lamp, and it is by being the state that goes out from bright state variation or being the state variation that bright state comes circuit and/or signal from the state variation of going out.
Preferably, output unit comprises pilot lamp, and it has second kind of color of second state of first kind of color, indication circuit and/or the signal of first state of indication circuit and/or signal, and the third color of the state variation of indication circuit and/or signal.
Preferably, output unit comprises loudspeaker, and it represents the state variation of circuit and/or signal by sending prompt tone.
Preferably, output unit comprises display, and it comes the state variation of circuit and/or signal by display message.
Preferably, output unit comprises at least a with in the upper type.
Preferably, also comprise storage unit, be used to store the previous status of circuit and/or signal.
Preferably, also comprise switch element, be used to control the enabling and closing of monitoring function of this supervisory circuit.
Preferably, this line status comprises the on off operating mode of circuit, and this signal condition comprises the on off operating mode of signal transmission and/or the state of signal itself.
Preferably, the state of this signal itself comprises the intensity of signal and/or the content of signal.
Preferably, this first state is a conducting state, and this second state is an off-state, and perhaps, this first state is an off-state, and this second state is a conducting state.
Preferably, this control module comprises: judging unit is used for according to the pilot signal that receives the state of this circuit and/or signal and the previous status of this circuit and/or signal being compared, whether change with the state of judging circuit and/or signal, and send judged result; The control signal generation unit is used to receive this judged result, transmits control signal to output unit when the state of circuit and/or signal changes.
Preferably, this control module comprises Programmable Logic Controller, programmable chip, programmable circuit or single-chip microcomputer.
Preferably, this switch element comprises hardware switch or software switch.
Preferably, this pilot signal comprises voltage signal, current signal or data-signal.
Preferably, this storage unit is arranged in control module.
When preferably, this control module is used to be controlled at monitoring function and enables the state of circuit and/or signal is stored.
The present invention also provides a kind of method for supervising, comprises step: S1, transmit the pilot signal of the state of expression circuit and/or signal to control module; Whether the pilot signal that S2, basis receive compares the state of this circuit and/or signal and the previous status of circuit and/or signal, change with the state of judging circuit and/or signal; If the state of S3 circuit and/or signal changes, then transmit control signal to output unit; The control signal that S4, basis receive, the state variation of outlet line and/or signal.
Preferably, the state variation of outlet line and/or signal comprises mode: pilot lamp, it is by being the state that goes out from bright state variation or being the state variation that bright state comes circuit and/or signal from the state variation of going out.
Preferably, the state variation of outlet line and/or signal comprises mode: pilot lamp, it has second kind of color of second state of first kind of color, indication circuit and/or the signal of first state of indication circuit and/or signal, and the third color of the state variation of indication circuit and/or signal.
Preferably, the state variation of outlet line and/or signal comprises mode: loudspeaker, it represents the state variation of circuit and/or signal by sending prompt tone.
Preferably, the state variation of outlet line and/or signal comprises mode: display, it comes the state variation of circuit and/or signal by display message.
Preferably, the state variation of outlet line and/or signal comprises at least a with in the upper type.
Preferably, before step S1, also comprise step S0, the previous status of circuit and/or signal is stored.
Preferably, this line status comprises the on off operating mode of circuit, and this signal condition comprises the on off operating mode of signal transmission and/or the state of signal itself.
Preferably, the state of this signal itself comprises the intensity of signal and/or the content of signal.
Preferably, this first state is a conducting state, and this second state is an off-state, and perhaps, this first state is an off-state, and this second state is a conducting state.
Preferably, this pilot signal comprises voltage signal, current signal or data-signal.
(3) beneficial effect
Supervisory circuit and method for supervising that the present invention proposes by this function, can be searched the fault of circuit and/or signal fast, alleviate maintainer's working strength greatly, and improve the accuracy of searching circuit and/or signal fault.And enable at any time as required or closing function, improve dirigibility circuit and/or signal monitoring.
Description of drawings
Further describe the present invention with reference to the accompanying drawings and in conjunction with example.Wherein:
Fig. 1 shows the exemplary configurations and the principle of work thereof of supervisory circuit of the present invention.
Fig. 2 shows exemplary method for supervising of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Fig. 1 shows the exemplary configurations of supervisory circuit 1 of the present invention.As shown in Figure 1, according to this embodiment, supervisory circuit 1 of the present invention comprises input block 11, control module 12, output unit 13, storage unit 14, switch element 15.
Wherein, input block 11 is used for the pilot signal to the on off operating mode of control module 12 transmission expression circuits.Input block 11 can specific implementation be to represent that the pilot signal of the on off operating mode of circuit is sent to the various circuit of control module 12, and this pilot signal for example can be voltage signal, current signal or data-signal.
Whether control module 12 is used for according to the pilot signal that receives the state of this circuit and the previous status of circuit being compared, change with the on off operating mode of judging circuit, transmits control signal to output unit 13 when the on off operating mode of circuit changes.Control module 12 can specific implementation be hardware, software and/or the firmware with control function, in the present embodiment, it realizes that by Programmable Logic Controller in other embodiments, it for example can be implemented as various programmable chips, programmable circuit or single-chip microcomputer.
In addition, control module 12 can specific implementation for comprising judging unit and control signal generation unit.Whether wherein, judging unit is used for according to the pilot signal that receives the state of this circuit and the previous status of this circuit being compared, change with the state of judging circuit, and send judged result.The control signal generation unit is used to receive this judged result, transmits control signal to output unit 13 when the state of circuit changes.
In another kind of embodiment, output unit 13 also is embodied as a kind of pilot lamp, and it is changed to off-state and is changed to conducting state from off-state from conducting state by indicating circuit from bright state variation for the state of going out; In alternative embodiment, it is by being that bright state indicates circuit to be changed to off-state and to be changed to conducting state from off-state from conducting state from the state variation of going out; In another alternative embodiment, it is changed to off-state, is that bright state indicates circuit to be changed to conducting state from disconnection from the state variation of going out from conducting state by indicating circuit from bright state variation for the state of going out; In another alternative embodiment, it is by being that bright state indicates circuit to be changed to off-state, to indicate circuit from bright state variation for the state of going out and be changed to conducting state from disconnection from conducting state from the state variation of going out.
In another kind of embodiment, output unit 13 is embodied as a kind of loudspeaker, and it represents that by sending prompt tone circuit is changed to off-state and from being changed to conducting state from off-state from conducting state; In alternative embodiment, it represents that by sending first kind of prompt tone circuit is changed to off-state from conducting state, represents that by sending second kind of prompt tone circuit is changed to conducting state from off-state.
In another embodiment, output unit 13 is embodied as a kind of display, and it comes circuit to be changed to off-state and from being changed to conducting state from off-state from conducting state by display reminding information or warning message.
In other embodiments, the embodiment of output unit 13 is not limited to various situation described above, and for example it also can use the combination of the any-mode of various implementations described above.
The principle of work of exemplary supervisory circuit 1 of the present invention is described below in conjunction with Fig. 1.As shown in Figure 1,, when needs use the on off operating mode of monitor circuit monitors circuit of the present invention, at first enable the monitoring function of supervisory circuit, make it in running order by switch element 15 according to this embodiment; Then, under the control action of control module 12, be recorded in the storage unit 14 by the on off operating mode (being previous status) of monitoring circuit 2 by input block 11; Next, in monitoring work, input block 11 will represent that the pilot signal of circuit on-off state is sent to control module 12; When control module 12 when input block 11 receives pilot signal, it is according to this pilot signal, the current state of circuit and the previous status of this circuit are compared, whether change with the on off operating mode of judging circuit, if the on off operating mode of circuit changes, then transmit control signal to output unit 13; When output unit 13 received control signal from control module 12, it was according to the control signal that receives, and the on off operating mode of outlet line changes.It will be understood by those skilled in the art that if the on off operating mode of circuit does not change, then do not transmit control signal; Those skilled in the art it is also to be understood that, can monitor the on off operating mode that is subjected to monitoring circuit continuously, comprise the current state of transmission lines continuously, also can be periodically or the current state of aperiodicity ground transmission lines.
People are according to the output result of output unit 13, and the on off operating mode that just can in time grasp circuit changes, and can find faulty line rapidly, exactly.When not needing to use the on off operating mode of monitor circuit monitors circuit of the present invention, can close the monitoring function of supervisory circuit by switch element 15, make it be in off working state.
Fig. 2 shows the exemplary process diagram of method for supervising of the present invention.As shown in Figure 2, according to this embodiment, method for supervising of the present invention may further comprise the steps: SS, enable the monitoring function of supervisory circuit; S0, the on off operating mode that is subjected to monitoring circuit is stored, as the previous status that is subjected to monitoring circuit; S1, the on off operating mode that is subjected to monitoring circuit is monitored, and transmitted by the pilot signal of the current state of monitoring circuit expression; The pilot signal that transmits among S2, the receiving step S1, and according to this pilot signal, the current state of circuit and the previous status of this circuit are compared, whether change with the on off operating mode of judging circuit; S3, when the on off operating mode of circuit changes, will produce and transmit control signal; The control signal that sends among S4, the receiving step S3, according to the control signal that receives, the on off operating mode of outlet line changes; SE, close the monitoring function of supervisory circuit.It will be understood by those skilled in the art that when the on off operating mode of circuit does not change, do not transmit control signal; Those skilled in the art it is also to be understood that, can monitor the on off operating mode that is subjected to monitoring circuit continuously, comprise the current state of transmission lines continuously, also can be periodically or the current state of aperiodicity ground transmission lines.
In method for supervising of the present invention described above,, then can save step SS if the monitoring function of supervisory circuit is enabled, supervisory circuit is in monitoring work always if desired, then can save step SE, that is to say, can control enabling and closing of monitoring function by switching function.
Above supervisory circuit and the method for having described the variation of the on off operating mode that is used for monitoring circuit in conjunction with Fig. 1 and Fig. 2.For convenience of description, be illustrational as being subjected to monitored object in the above-described embodiments, but this supervisory circuit and method also are applicable to signal as the situation that is subjected to monitored object with circuit.Can in this supervisory circuit and method, realize independent monitoring, also can realize monitored in common circuit and signal to circuit or signal.With signal when being subjected to monitored object, can be only the variation of the on off operating mode of signal transmission to be monitored, also can be only the variation of the state of signal itself to be monitored, can also be that the variation of signal transmission and both states of signal itself is monitored, perhaps can be that the variation of the state of the feature of the others of signal and/or situation is monitored.The state of signal itself can be the intensity of signal, it also can be the content of signal, correspondingly, can be only the variation of the intensity of signal to be monitored, also can be only the content change of signal to be monitored, can also be that the variation of both states of content of the intensity of signal and signal is monitored.
According to supervisory circuit of the present invention and method for supervising, can in time obtain the circuit monitored and/or the state of signal, and find faulty line and/or signal fast according to monitored results, thereby alleviated work of maintenance personnel intensity greatly, and improved the accuracy of the fault of searching circuit and/or signal.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. supervisory circuit comprises:
Input block (11) is used for transmitting the pilot signal of representing circuit and/or signal condition to control module (12);
Control module (12), be used for according to the described pilot signal that receives, the state of described circuit and/or signal and the previous status of described circuit and/or signal are compared, whether change with the state of judging described circuit and/or signal, when the state of described circuit and/or signal changes, transmit control signal to output unit (13);
Output unit (13) is used for exporting the state variation of described circuit and/or signal according to the described control signal that receives.
2. supervisory circuit as claimed in claim 1, wherein, described output unit (13) comprises at least a in following three kinds of modes: (1) pilot lamp, it is by being the state that goes out from bright state variation or being the state variation that bright state is indicated described circuit and/or signal from the state variation of going out, perhaps, it has second kind of color of second state of first kind of color, the described circuit of indication and/or the signal of first state of indication described circuit and/or signal, and the third color of indicating the state variation of described circuit and/or signal; (2) loudspeaker, it represents the state variation of described circuit and/or signal by sending prompt tone; (3) display, it shows the state variation of described circuit and/or signal by display message.
3. supervisory circuit as claimed in claim 1 or 2 also comprises storage unit (14), the previous status that is used to store described circuit and/or signal.
4. as each described supervisory circuit of claim 1～3, also comprise switch element (15), be used to control the enabling and closing of monitoring function of described supervisory circuit.
5. as each described supervisory circuit of claim 1～4, wherein, described line status comprises the on off operating mode of circuit, and described signal condition comprises the on off operating mode of signal transmission and/or the state of signal itself.
6. supervisory circuit as claimed in claim 5, wherein, the state of described signal itself comprises the intensity of signal and/or the content of signal.
7. as claim 5 or 6 described supervisory circuits, wherein, described first state is a conducting state, and described second state is an off-state, and perhaps, described first state is an off-state, and described second state is a conducting state.
8. method for supervising comprises step:
S1, transmit the pilot signal of the state of expression circuit and/or signal to control module;
Whether the described pilot signal that S2, basis receive compares the state of described circuit and/or signal and the previous status of described circuit and/or signal, change with the state of judging described circuit and/or signal;
If the state of described circuit of S3 and/or signal changes, then transmit control signal to output unit;
S4, according to the described control signal that receives, export the state variation of described circuit and/or signal.
9. method for supervising as claimed in claim 8, wherein, the state variation of described circuit of described output and/or signal comprises at least a in following three kinds of modes: (1) pilot lamp, it is by being the state that goes out from bright state variation or being the state variation that bright state is indicated described circuit and/or signal from the state variation of going out, perhaps, it has second kind of color of second state of first kind of color, the described circuit of indication and/or the signal of first state of indication described circuit and/or signal, and the third color of indicating the state variation of described circuit and/or signal; (2) loudspeaker, it represents the state variation of described circuit and/or signal by sending prompt tone; (3) display, it shows the state variation of described circuit and/or signal by display message.
10. method for supervising as claimed in claim 8 or 9 wherein, before described step S1, also comprises step S0, and the previous status of described circuit and/or signal is stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100638112A CN102147441A (en) | 2011-03-16 | 2011-03-16 | Monitoring circuit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100638112A CN102147441A (en) | 2011-03-16 | 2011-03-16 | Monitoring circuit and method |
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| Publication Number | Publication Date |
|---|---|
| CN102147441A true CN102147441A (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100638112A Pending CN102147441A (en) | 2011-03-16 | 2011-03-16 | Monitoring circuit and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111862544A (en) * | 2020-06-29 | 2020-10-30 | 北京瀚诺半导体科技有限公司 | Line state detection device and method integrated on coaxial interface panel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2020698C (en) * | 1989-08-24 | 1995-01-31 | Arnold Stanley Farber | Intermittent fault detection system |
| CN2935175Y (en) * | 2006-06-02 | 2007-08-15 | 董永清 | Fault indicator of power supply line |
| US20090027058A1 (en) * | 2004-11-04 | 2009-01-29 | Masahiro Ishii | Integrated circuit and integrated circuit package |
| CN202120078U (en) * | 2011-03-16 | 2012-01-18 | 苏正明 | Monitoring circuit |
-
2011
- 2011-03-16 CN CN2011100638112A patent/CN102147441A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2020698C (en) * | 1989-08-24 | 1995-01-31 | Arnold Stanley Farber | Intermittent fault detection system |
| US20090027058A1 (en) * | 2004-11-04 | 2009-01-29 | Masahiro Ishii | Integrated circuit and integrated circuit package |
| CN2935175Y (en) * | 2006-06-02 | 2007-08-15 | 董永清 | Fault indicator of power supply line |
| CN202120078U (en) * | 2011-03-16 | 2012-01-18 | 苏正明 | Monitoring circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111862544A (en) * | 2020-06-29 | 2020-10-30 | 北京瀚诺半导体科技有限公司 | Line state detection device and method integrated on coaxial interface panel |
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Application publication date: 20110810 |