CN1996031A - Fault detection system and method therefor - Google Patents
Fault detection system and method therefor Download PDFInfo
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- CN1996031A CN1996031A CN 200610037647 CN200610037647A CN1996031A CN 1996031 A CN1996031 A CN 1996031A CN 200610037647 CN200610037647 CN 200610037647 CN 200610037647 A CN200610037647 A CN 200610037647A CN 1996031 A CN1996031 A CN 1996031A
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Abstract
This pair of electric equipments failure inspection forms at least two switch unit with No. 1 and No. 2 on-off lines, with the No. 1 on-off line connected with the equipment through electricity to provide off line control of the equipment. The key point is that when the switch unit opens, an inspection signal is generated to provide output inspection signal to the input end of the No. 2 off line of the switch unit, based on the signal comparison module to read the inspection signal and the feedback signal output of the No. 2 off line signal output end to compare whether the inspected and feedback signals are the same, normal running signal if it is yes, otherwise, failure signal. It can greatly improve the failure inspection efficiency with easy application.
Description
[Ji Intraoperative field]
The present invention is relevant for a kind of fault detection system and method, refers to a kind of in order to be provided with fault detection system and the method that at least two electronic equipments with switch element of first and second break-make circuit carry out fault detect to one especially.
[Bei Jing Ji Intraoperative]
Relay (relay) can be cut-off the robotization on-off element of road control by potential difference (PD) for a kind of, and it is widely used in technology such as remote control, remote measurement, communication, control automatically, electromechanical integration and the various automatic control electronic equipment.Along with the development of automatic technology, in the design of some automatic control circuit,, need a large amount of these electronic components of relay that use for the break-make (short/open) that can control multi-path line.And when these relays break down, be which relay breaks down owing to institute's use relay quantity in this automatic control circuit too much is difficult to directly to determine the end from the phenomenon of fault often.Therefore, need measure relay one by one in artificial mode usually, can find out the relay of fault, yet this method not only can cause human resources and waste of time, also difficult during actual enforcement.
For this reason, how a kind of efficiency of failure defection and failure detection schemes easy to implement of increasing substantially is provided, to avoid prior art to detect manpower, the time waste that is caused and implement the problem of difficulty, become industry one problem demanding prompt solution then by the mode that detects relay one by one.
[summary of the invention]
The object of the present invention is to provide a kind of fault detection system and method, to promote efficiency of failure defection.
For reaching the above purpose, the invention provides a kind of fault detection system, in order to an electronic equipment is carried out fault detect, and this electronic equipment is provided with at least two switch elements with first and second break-make circuit, wherein, the first break-make circuit of this switch element and this electronic equipment electrically connect, to provide this electronic equipment to carry out the control on break-make road, and each break-make circuit has a signal input part and signal output part, this fault detection system comprises at least: a detection signal generation module, electrically connect with the signal input part of the second break-make circuit of this switch element, and when being used to this switch element and being in conducting state, export the second break-make line signal input end that a detection signal is given this switch element; An and signal comparison module, electrically connect with the signal output part of the second break-make circuit of this detection signal generation module and this switch element, and the signal output part that is used to the second break-make circuit of this detection signal generation module end and this switch element respectively reads this detection signal and a feedback signal, and relatively whether this detection signal and this feedback signal are same signal, if, then export a normal operation signal, to inform that this switch element of user is in the normal operation state, if not, then export a fault-signal, inform that this switch element of user is in malfunction.
Corresponding above-mentioned fault detection system, the present invention also provides a kind of fault detection method, this method is in order to carry out fault detect to an electronic equipment, and this electronic equipment is provided with at least two switch elements with first and second break-make circuit, wherein, the first break-make circuit of this switch element and this electronic equipment electrically connect, to provide this electronic equipment to carry out the control on break-make road, and each break-make circuit has a signal input part and signal output part, and this fault detection method may further comprise the steps at least:
(1) when this switch element is in conducting state, exports the second break-make line signal input end that a detection signal is given this switch element;
(2) read the feedback signal that the second break-make line signal output terminal of this detection signal and this switch element is exported; And
(3) relatively whether this detection signal and this feedback signal are same signal, if, then export a normal operation signal, to inform that this switch element of user is in the normal operation state, and be back to step (1), if not, then export a fault-signal, inform that this switch element of user is in malfunction.
Therefore the present invention sees through fault detection system and method, main see through read and relatively the feedback signal exported of the second break-make line signal output terminal of detection signal and switch element (relay) whether be same signal, and judge whether fault of switch element according to comparative result, therefore, seeing through the present invention can increase efficiency of failure defection and easy to implement significantly, detects manpower, the time waste that is caused and implements than problems such as difficulties by the mode that detects relay one by one to avoid prior art.
[description of drawings]
Fig. 1 is the basic framework synoptic diagram of fault detection system of the present invention.
Fig. 2 is for carrying out the method flow diagram of fault detection system of the present invention.
Fig. 3 utilizes fault detection system of the present invention relay matrix to be carried out the synoptic diagram of fault detect.
[embodiment]
See also Fig. 1, show the block diagram of the basic boom of fault detection system of the present invention.Fault detection system 1 of the present invention is in order to carry out fault detect to an electronic equipment 2 with at least two switch elements 20 and 20 '.In the present invention, this switch element 20 and 20 ' is a relay, and this switch element 20 and 20 ' has a tool first break-make circuit 200 and 200 ', the second break-make circuit 201 and 201 ' at least.
In the present invention, the switch element 20 and 20 ' the first break-make circuit 200 and 200 ' and electronic equipment 2 electrically connect, to provide electronic equipment 2 to carry out the control on break-make road, and the second break-make circuit 201 and 201 ' is in order to use as switch element 20 and 20 ' fault detect, and the first break-make circuit 200 and 200 ' has a signal input part a and a ' and signal output part b and b ', and the second break-make circuit 201 and 201 ' has a signal input part c and c ' and signal output part d and d '.Now fault detection system 1 of the present invention is carried out following detailed description.
Fault detection system 1 comprises detection signal generation module 10, signal comparison module 11, display module 12, alarm module 13.Now detection signal generation module 10, signal comparison module 11, display module 12 and alarm module 13 are carried out following detailed description.
Detection signal generation module 10, electrically connect with second break-make circuit 201 of switch element 20 and 20 ' and 201 ' signal input part c and c ', and when being used to switch element 20 and 20 ' and being in conducting state, export a detection signal and give second break-make circuit 201 of switch element 20 and 20 ' and 201 ' signal input part c and c '.
See through detection system of the present invention and carry out fault detection method of the present invention as shown in Figure 2, this method comprises following implementation step:
In step S30, when switch element 20 and 20 ' is in conducting state, make detection signal generation module 10 outputs one detection signal give second break-make circuit 201 of switch element 20 and 20 ' and 201 ' signal input part c and c ', then proceed to step S31.
In step S31, make signal comparison module 11 read second break-make circuit 201 of this detection signal and switch element 20 and 20 ' and the feedback signal that 201 ' signal output part d and d ' are exported; Then proceed to step S32.
In step S32, make signal comparison module 11 relatively this detection signal and this feedback signal whether be same signal, if, then proceed to step S33, if not, then proceed to step S34.
In step S33, make display module 12 show a normal state signal, be in the normal operation state to inform user's switch 20 and 20 ', then be back to step S30.
In step S34, make display module 12 show a fault status signal, be in malfunction to inform user's switch element 20 and 20 ', then proceed to step S35.
In step S35, make alarm module 13 outputs one activation signal, make a caution unit action, be in malfunction with prompting user switch element 20 and 20 '.
In sum, see through fault detection system of the present invention and method, whether the switch element of can be in time and detecting an electronic equipment efficiently fault, carry out the work that fault is got rid of when breaking down in real time so that find switch element, effectively carry out circuit on-off control to ensure this electronic equipment operate as normal.The present invention simultaneously also has advantages such as simple to operate, easy to implement.
In addition, in some automatic control circuit, adopt the break-make of most relay control multi-path lines mostly at present.And fault detection system of the present invention for example can adopt the matrix control mode to detect whether fault of those relays.As shown in Figure 3, be the relay matrix that most relays (switch element) of fault detection system control of the present invention are constituted, existing is that example illustrates with 8 * 8 relay matrix.As shown in the figure, fault detection system 1 can have 16 output/input port (input/output; I/O), wherein I/O1 to I/O8 is as the usefulness of output detection signal, and I/O9 to I/O16 is as the usefulness of readback signal.And by fault detection system 1 of the present invention and cooperate fault detection method of the present invention can be conveniently each relay in the relay matrix 3 (switch element 20 ") to be carried out fault detect.As when detecting the first row relay (switch element 20 "); from the signal input part of the second break-make circuit of each relay of I/O1 to I/O8 input particular test signal to the first row (switch element 20 "), from the read back feedback signal of signal output part output of the second break-make circuit of each relay (switch element 20 ") of I/O9 to I/O16; Then carry out signal relatively by fault detection system 1, whether consistent from feedback signal that I/O9 to I/O16 reads back to judge with it from the detection signal of I/O1 to I/O8 output, if unanimity then illustrates this row relay (switch element 20 ") and all is in normal condition; if inconsistent; then can determine which position of power transfer relay (switch element 20 ") in the 8*8 matrix, and then judge which relay in this row (switch element 20 ") is fault according to comparative result.When in like manner measuring other row, can carry out fault detect according to above-mentioned steps.In addition, can also detect whether fault of relay (switch element 20 "), maybe can detect the relay of particular row and row (switch element 20 ") by the row detection mode.
Therefore the present invention sees through fault detection system and method, main see through read and relatively the feedback signal exported of the second break-make line signal output terminal of detection signal and switch element whether be same signal, and judge according to comparative result whether switch element exists fault, therefore, see through the present invention and can improve efficiency of failure defection and easy to implement significantly, detect manpower, the time waste that is caused and implement by the mode that detects relay one by one than problems such as difficulties to avoid prior art.
Claims (10)
1, a kind of fault detection system, in order to an electronic equipment is carried out fault detect, and this electronic equipment is provided with at least two switch elements with first and second break-make circuit, wherein, the first break-make circuit of this switch element and this electronic equipment electrically connect, with the control that provides this electronic equipment to carry out the break-make road, and each break-make circuit has a signal input part and signal output part, and this fault detection system comprises at least:
One detection signal generation module electrically connects with the signal input part of the second break-make circuit of this switch element, and when being used to this switch element and being in conducting state, exports the second break-make line signal input end that a detection signal is given this switch element; And
One signal comparison module, electrically connect with the signal output part of the second break-make circuit of this detection signal generation module and this switch element, and the signal output part that is used to the second break-make circuit of this detection signal generation module end and this switch element respectively reads this detection signal and a feedback signal, and relatively whether this detection signal and this feedback signal are same signal, if, then export a normal operation signal, to inform that this switch element of user is in the normal operation state, if not, then export a fault-signal, inform that this switch element of user is in malfunction.
2, fault detection system as claimed in claim 1, it is characterized in that: this fault detection system also comprises a display module, this display module is in order to wherein one of the normal operation signal that receives this signal comparison module and exported after relatively and fault-signal, and after understanding, information after understanding is shown in a display unit, is in wherein one of normal operation state and malfunction to inform this switch element of user.
3, fault detection system as claimed in claim 1 or 2, it is characterized in that: this fault detection system also comprises an alarm module, this alarm module is in order to wherein one of the normal operation signal that receives this signal comparison module and exported after relatively and fault-signal, wherein, when if the information that this alarm module received is fault-signal, then can export an activation signal, make a caution unit action, be in malfunction with this switch element of prompting user.
4, fault detection system as claimed in claim 3 is characterized in that: this caution unit moves with the cresset flashing or the mode of sounding.
5, fault detection system as claimed in claim 3 is characterized in that: this caution unit is arranged at around this switch element, with when this caution unit moves, and the switch element position of prompting user fault.
6, a kind of fault detection method, in order to an electronic equipment is carried out fault detect, and this electronic equipment is provided with at least two switch elements with first and second break-make circuit, wherein, the first break-make circuit of this switch element and this electronic equipment electrically connect, with the control that provides this electronic equipment to carry out the break-make road, and each break-make circuit has a signal input part and signal output part, and this fault detection method may further comprise the steps at least:
(1) when this switch element is in conducting state, exports the second break-make line signal input end that a detection signal is given this switch element;
(2) read the feedback signal that the second break-make line signal output terminal of this detection signal and this switch element is exported; And
(3) relatively whether this detection signal and this feedback signal are same signal, if, then export a normal operation signal, to inform that this switch element of user is in the normal operation state, and be back to step (1), if not, then export a fault-signal, inform that this switch element of user is in malfunction.
7, as claim the 6th described fault detection method, it is characterized in that: this step (3) also comprises:
Understand this normal operation signal and fault-signal, and the information after will understanding is shown in a display unit, is in wherein one of normal operation state and malfunction to inform this switch element of user.
8, as claim the 6th or 7 described fault detection methods, it is characterized in that: this step (3) also comprises:
Receive wherein one of this normal operation signal and fault-signal,, wherein,, then can export an activation signal, make a caution unit action, be in malfunction with this switch element of prompting user if during the information fault-signal of reception to do corresponding processing.
9, as claim the 8th described fault detection system, it is characterized in that: this caution unit moves with the cresset flashing or the mode of sounding.
10, as claim the 8th described fault detection system, it is characterized in that: this caution unit is arranged at around this switch element, with when this caution unit moves, and the switch element position of prompting user fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610037647 CN1996031A (en) | 2006-01-05 | 2006-01-05 | Fault detection system and method therefor |
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| CN 200610037647 CN1996031A (en) | 2006-01-05 | 2006-01-05 | Fault detection system and method therefor |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793937A (en) * | 2010-03-08 | 2010-08-04 | 上海三一科技有限公司 | Wire automatic control system for electric control cabinet and detection method thereof |
| CN101373381B (en) * | 2007-08-23 | 2011-06-15 | 发那科株式会社 | Method of detecting disconnection and power discontinuity of i/o unit connected to numerical controller |
| CN102377614A (en) * | 2010-08-27 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | PCI-E (Peripheral Component Interconnect Express) switch test system and method |
| CN101609127B (en) * | 2009-07-24 | 2012-12-05 | 美的集团有限公司 | Relay fault detection circuit |
| CN101710020B (en) * | 2009-11-27 | 2013-01-09 | 苏州东菱振动试验仪器有限公司 | Self-checking method and self-checking device of vibrating table amplifier |
| CN103529343A (en) * | 2013-03-27 | 2014-01-22 | Tcl集团股份有限公司 | Intelligent diagnosing method and system of electrical device |
| CN103852680A (en) * | 2012-12-07 | 2014-06-11 | 中国核动力研究设计院 | Device and method for detecting broken line of switching value signal transmission circuit |
| TWI499786B (en) * | 2012-12-28 | 2015-09-11 | Delta Electronics Inc | Uninterruptible power system and method of operating the same |
| CN105511372A (en) * | 2014-09-22 | 2016-04-20 | 北汽福田汽车股份有限公司 | Motor controller for vehicles and vehicle |
| CN107067070A (en) * | 2017-04-28 | 2017-08-18 | 南京搜新智能科技有限公司 | A kind of intelligent security guard sensor and detection method |
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2006
- 2006-01-05 CN CN 200610037647 patent/CN1996031A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373381B (en) * | 2007-08-23 | 2011-06-15 | 发那科株式会社 | Method of detecting disconnection and power discontinuity of i/o unit connected to numerical controller |
| CN101609127B (en) * | 2009-07-24 | 2012-12-05 | 美的集团有限公司 | Relay fault detection circuit |
| CN101710020B (en) * | 2009-11-27 | 2013-01-09 | 苏州东菱振动试验仪器有限公司 | Self-checking method and self-checking device of vibrating table amplifier |
| CN101793937B (en) * | 2010-03-08 | 2012-11-07 | 昆山三一机械有限公司 | Wire automatic control system for electric control cabinet and detection method thereof |
| CN101793937A (en) * | 2010-03-08 | 2010-08-04 | 上海三一科技有限公司 | Wire automatic control system for electric control cabinet and detection method thereof |
| CN102377614A (en) * | 2010-08-27 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | PCI-E (Peripheral Component Interconnect Express) switch test system and method |
| CN103852680A (en) * | 2012-12-07 | 2014-06-11 | 中国核动力研究设计院 | Device and method for detecting broken line of switching value signal transmission circuit |
| US9431853B2 (en) | 2012-12-28 | 2016-08-30 | Delta Electronics, Inc. | Uninterruptible power system with backfeed detection and method of operating the same |
| TWI499786B (en) * | 2012-12-28 | 2015-09-11 | Delta Electronics Inc | Uninterruptible power system and method of operating the same |
| CN103529343A (en) * | 2013-03-27 | 2014-01-22 | Tcl集团股份有限公司 | Intelligent diagnosing method and system of electrical device |
| CN103529343B (en) * | 2013-03-27 | 2016-04-13 | Tcl集团股份有限公司 | A kind of intelligent diagnosing method of electric equipment and system |
| CN105511372A (en) * | 2014-09-22 | 2016-04-20 | 北汽福田汽车股份有限公司 | Motor controller for vehicles and vehicle |
| CN105511372B (en) * | 2014-09-22 | 2018-03-27 | 北汽福田汽车股份有限公司 | Electric machine controller and vehicle for vehicle |
| CN107067070A (en) * | 2017-04-28 | 2017-08-18 | 南京搜新智能科技有限公司 | A kind of intelligent security guard sensor and detection method |
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