CN104020378B - The detection method of multiple electromagnetic valves and device - Google Patents
The detection method of multiple electromagnetic valves and device Download PDFInfo
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- CN104020378B CN104020378B CN201410264082.0A CN201410264082A CN104020378B CN 104020378 B CN104020378 B CN 104020378B CN 201410264082 A CN201410264082 A CN 201410264082A CN 104020378 B CN104020378 B CN 104020378B
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 33
- 230000000052 comparative effect Effects 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003149 assay kit Methods 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
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Abstract
The present invention provides the detection device and method of a kind of multiple electromagnetic valve, the plurality of electromagnetic valve is at least 3, described detection device includes: energy dissipation device seals in the circuit of the plurality of electromagnetic valve so that during any one electromagnetic valve normally, electric current all flows through described energy dissipation device；Detection device is for detecting the electrical parameter of described energy dissipation device, and is sent to comparator；Comparator is for the parameter threshold comparing the described electrical parameter received, determine according to the quantity of the electromagnetic valve opened, and comparative result is sent to alarm；Alarm is for reporting to the police according to the comparative result received.The present invention has advantages such as positioning quickly, accurate, can be widely used in the occasion that the required electromagnetic valve quantity such as Water Test Kits, flue gas analyzer, atmospheric analysis instrument is many.
Description
Technical field
The present invention relates to electromagnetic valve, particularly to detection method and the device of multiple electromagnetic valves.
Background technology
The world today faces the most serious shortage of water resources, the problems such as water is seriously polluted, simultaneously, water quality standard for drinking water improves and wastewater discharge standard is stricter, make to strengthen the monitoring to water environment and the supervision of discharge of wastewater, use more advanced Process Control System to improve water treatment efficiency, reduce water process and just become water environment supervision department and the inevitable choice of water and wastewater industry industry with water cost.In this case, key equipment online water analysis instrument and application technology thereof in water treatment industry Process Control System are rapidly developed, and stability and the reliability of instrument are greatly improved, and its function is also the most powerful.
Water quality online analyzer device belongs to a field interdisciplinary, and the technology of the specialties such as physics, chemistry, machinery, electronic information has been merged in this field.Electromagnetic valve is parts important in water quality online analyzer, and it passes through electrical control, it is achieved the break-make of stream, switching, is the executive component of water quality online analyzer device.Owing to its usage quantity in water quality online analyzer is many, catastrophe failure after breaking down, can be caused, therefore, it is possible to location fault electromagnetic valve, and to report an error be very important.After electromagnetic valve is arranged on water quality online analyzer, if electromagnetic valve breaks down, measurement can be caused to cannot be carried out, cause measuring error.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides the detection method of a kind of fault location multiple electromagnetic valves accurate, rapid.
It is an object of the invention to be achieved through the following technical solutions:
The detection method of multiple electromagnetic valves, the plurality of electromagnetic valve is at least 3；The detection method of the plurality of electromagnetic valve comprises the following steps:
(A1) in the circuit of the plurality of electromagnetic valve, energy dissipation device is sealed in so that during any one electromagnetic valve normally, electric current all flows through described energy dissipation device；
(A2) the plurality of electromagnetic valve is closed；
(A3) progressively open the plurality of electromagnetic valve, detect the electrical parameter of described energy dissipation device, and be sent to comparator；
(A4) the more described electrical parameter of comparator, the parameter threshold that determines according to the quantity of electromagnetic valve opened, comparative result is sent to alarm:
As described electrical parameter exceedes threshold range, show that the electromagnetic valve finally opened is faulty, then prompting alarm is reported to the police；
If described electrical parameter is in threshold range, it is not necessary to report to the police；
(A5) alarm is reported to the police according to comparative result.
Detection method according to above-mentioned multiple electromagnetic valves, it is preferable that the outfan of the plurality of electromagnetic valve links together, and ground connection.
Detection method according to above-mentioned multiple electromagnetic valves, it is preferable that described energy dissipation device is arranged between junction point and the earth point of described outfan.
Detection method according to above-mentioned multiple electromagnetic valves, it is preferable that described electrical parameter is voltage or electric current.
Detection method according to above-mentioned multiple electromagnetic valves, it is preferable that the plurality of electromagnetic valve is same type, controls voltage identical.
The present invention also aims to provide a kind of simple in construction, the detection device of the most multiple electromagnetic valve of fault location；This goal of the invention being achieved by the following technical programs:
A kind of detection device of multiple electromagnetic valve, the plurality of electromagnetic valve is at least 3, and the detection device of the plurality of electromagnetic valve includes:
Energy dissipation device, described energy dissipation device seals in the circuit of the plurality of electromagnetic valve so that during any one electromagnetic valve normally, electric current all flows through described energy dissipation device；
Detection device, described detection device is for detecting the electrical parameter of described energy dissipation device, and is sent to comparator；
Comparator, described comparator is for the parameter threshold comparing the described electrical parameter received, determine according to the quantity of the electromagnetic valve opened, and comparative result is sent to alarm；
Alarm, described alarm is for reporting to the police according to the comparative result received.
Detection device according to above-mentioned multiple electromagnetic valves, it is preferable that the outfan of the plurality of electromagnetic valve links together, and ground connection.
Detection device according to above-mentioned multiple electromagnetic valves, it is preferable that described energy dissipation device is arranged between junction point and the earth point of described outfan.
Detection device according to above-mentioned multiple electromagnetic valves, it is preferable that described energy dissipation device is resistance.
Detection device according to above-mentioned multiple electromagnetic valves, it is preferable that described detection device is ammeter or voltmeter.
Compared with prior art, the device have the advantages that into:
1, being automatically performed detection: close whole electromagnetic valve and the most progressively open, by gathering the electrical parameter of energy dissipation device, can be accurately positioned fault electromagnetic valve after relatively, location is rapidly；
2, it is parallel connection between electromagnetic valve, if there being electromagnetic valve faulty, then can be mapped to seal in the exception of the electrical parameter of the energy dissipation device of electromagnetic valve circuit, thus position fault electromagnetic valve exactly；
3, simple in construction, it is only necessary to seal in energy dissipation device (such as resistance) in circuit, comparator can use software to realize.
Accompanying drawing explanation
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that: these accompanying drawings are used only for illustrating technical scheme, and are not intended to be construed as limiting protection scope of the present invention.In figure:
Fig. 1 is the flow chart of the detection method of multiple electromagnetic valves of the present invention；
Fig. 2 is the structure diagram of the detection device of multiple electromagnetic valves of the present invention.
Detailed description of the invention
How Fig. 1-2 and the optional embodiment following description describing the present invention are implemented with teaching those skilled in the art and reproduce the present invention.In order to instruct technical solution of the present invention, simplify or eliminated some conventional aspects.Those skilled in the art should understand that be derived from these embodiments modification or replace will within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to be formed multiple modification of the present invention in every way.Thus, the invention is not limited in following optional embodiment, and only limited by claim and their equivalent.
Embodiment 1:
Fig. 1 schematically illustrates the flow chart of the detection method of multiple electromagnetic valves of the embodiment of the present invention, and the plurality of electromagnetic valve is at least 3, as it is shown in figure 1, described detection method comprises the following steps:
(A1) sealing in energy dissipation device in the circuit of the plurality of electromagnetic valve so that during any one electromagnetic valve normally, electric current all flows through described energy dissipation device, also will seal in the control circuit of each electromagnetic valve by described energy dissipation device；Control voltage such as electromagnetic valve is respectively U1、U2、U3…UN, when each electromagnetic valve is individually opened, the electric current flowing through energy dissipation device is respectively I1、I2、I3…IN；
(A2) the plurality of electromagnetic valve is closed；
(A3) progressively open the plurality of electromagnetic valve, detect the electrical parameter of described energy dissipation device, and be sent to comparator；
(A4) (such as open M electromagnetic valve, M≤N, then parameter such as electric current should be I for the more described electrical parameter of comparator (such as electric current, voltage), the parameter that determines according to the quantity of electromagnetic valve opened1+I2+I3…IM) threshold value, comparative result is sent to alarm: described threshold value is manually set, and arranges certain deviation value interval near theoretical value；
As described electrical parameter exceedes threshold range, show that the electromagnetic valve finally opened is faulty, then prompting alarm is reported to the police；
If described electrical parameter is in threshold range, it is not necessary to report to the police；
(A5) alarm is reported to the police according to comparative result.
For location more rapid, accurate fault electromagnetic valve, it is preferable that the outfan of the plurality of electromagnetic valve links together, and ground connection, and described energy dissipation device is arranged between junction point and the earth point of described outfan.
In order to improve the locating speed of detection further, it is preferable that the plurality of electromagnetic valve is same type, control voltage identical.
Fig. 2 schematically illustrates the structure diagram of the detection device (for implementing the device of above-mentioned detection method) of multiple electromagnetic valves of the embodiment of the present invention, the plurality of electromagnetic valve is at least 3, as in figure 2 it is shown, the detection device of the plurality of electromagnetic valve includes:
Energy dissipation device, described energy dissipation device seals in the circuit of the plurality of electromagnetic valve so that during any one electromagnetic valve normally, electric current all flows through described energy dissipation device；
Detection device (such as ammeter or voltmeter), described detection device is for detecting the electrical parameter of described energy dissipation device, and is sent to comparator；
Comparator, described comparator is for the parameter threshold comparing the described electrical parameter received, determine according to the quantity of the electromagnetic valve opened, and comparative result is sent to alarm；
Alarm, described alarm is for reporting to the police according to the comparative result received.
For location more rapid, accurate fault electromagnetic valve, it is preferable that the outfan of the plurality of electromagnetic valve links together, and ground connection, and energy dissipation device is arranged between junction point and the earth point of described outfan.
In order to reduce complexity and the cost of device, it is preferable that described energy dissipation device is resistance.
Embodiment 2:
Multiple electromagnetic valve detection methods according to embodiment 1 and device application examples in Water Test Kits.
In this application examples, make use of 10 electromagnetic valves of same type, and use each electromagnetic valve of 24V Control of Voltage.The outfan of 10 electromagnetic valves links together, and ground connection, between junction point and earth point, seal in a resistance, it is known that: during such as a solenoid valve conduction, ohmically electric current is I, when that opens M electromagnetic valve, M≤N, ohmically electric current should be M*I, but in view of some influence factors, set threshold interval [0.5*M*I, 1.5*M*I], M=1,2,3 ... N.Detection device uses ammeter, and described resistant series, and comparator uses software to realize, and alarm uses light crossing-signal.
The detection method of above-mentioned 10 electromagnetic valves, namely the work process of above-mentioned detection device, described detection method comprises the following steps:
(A1) above-mentioned detection device is provided；
(A2) described 10 electromagnetic valves are closed；
(A3) progressively opening the plurality of electromagnetic valve, ammeter detects the current value of described resistance, and is sent to comparator；
(A4) the more described current value of comparator, the current threshold [0.5*M*I, 1.5*M*I] that determines according to quantity M of electromagnetic valve opened, comparative result is sent to alarm:
As described electrical parameter exceedes threshold range, show that the electromagnetic valve finally opened is faulty, then prompting alarm is reported to the police；
If described electrical parameter is in threshold range, it is not necessary to report to the police；
(A5) alarm is reported to the police according to comparative result.
Embodiment 3:
Multiple electromagnetic valve detection methods according to embodiment 1 and device application examples in flue gas analyzer.
In this application examples, make use of different types of 12 electromagnetic valves, and use each electromagnetic valve of 24V Control of Voltage.One resistance seals in the control circuit of each electromagnetic valve, it is known that: when each electromagnetic valve individually turns on, ohmically electric current is respectively I1、I2、I3…IN, when opening M electromagnetic valve, ohmically electric current should be I=I1+I2+I3…IM, M≤N, but in view of some influence factors, set threshold interval [0.8*I, 1.2*I].Detection device uses ammeter, and described resistant series, and comparator uses circuit to realize, and alarm uses light crossing-signal.
The detection method of above-mentioned 12 electromagnetic valves, namely the work process of above-mentioned detection device, described detection method comprises the following steps:
(A1) above-mentioned detection device is provided；
(A2) described 12 electromagnetic valves are closed；
(A3) progressively opening the plurality of electromagnetic valve, ammeter detects the current value of described resistance, and is sent to comparator；
(A4) the more described current value of comparator, the current threshold [0.8*I, 1.2*I] that determines according to quantity M of electromagnetic valve opened, comparative result is sent to alarm:
As described electrical parameter exceedes threshold range, show that the electromagnetic valve finally opened is faulty, then prompting alarm is reported to the police；
If described electrical parameter is in threshold range, it is not necessary to report to the police；
(A5) alarm is reported to the police according to comparative result.
Above-described embodiment is only exemplarily to give the electrical parameter using ammeter to remove to detect energy dissipation device, certainly can also is that voltmeter, and for a person skilled in the art, embodiment is similar with above-described embodiment, it is not necessary to paying creative work can draw.
Claims (5)
- The detection method of the most electromagnetic valves, the plurality of electromagnetic valve is at least 3；The detection method of the plurality of electromagnetic valve comprises the following steps:(A1) in the circuit of the plurality of electromagnetic valve, energy dissipation device is sealed in so that during any one electromagnetic valve normally, electric current all flows through described energy dissipation device；(A2) the plurality of electromagnetic valve is closed；(A3) progressively open M electromagnetic valve, detect the electrical parameter of described energy dissipation device when M electromagnetic valve is opened, and be sent to comparator；M is not more than the quantity of the plurality of electromagnetic valve；(A4) the more described electrical parameter of comparator, the electrical parameter threshold range that determines according to quantity M of electromagnetic valve opened, comparative result is sent to alarm:As described electrical parameter exceedes threshold range, show that the electromagnetic valve finally opened is faulty, then prompting alarm is reported to the police；If described electrical parameter is in threshold range, it is not necessary to report to the police；(A5) alarm is reported to the police according to comparative result.
- The detection method of multiple electromagnetic valve the most according to claim 1, it is characterised in that: the outfan of the plurality of electromagnetic valve links together, and ground connection.
- The detection method of multiple electromagnetic valve the most according to claim 2, it is characterised in that: described energy dissipation device is arranged between junction point and the earth point of described outfan.
- The detection method of multiple electromagnetic valve the most according to claim 1, it is characterised in that: described electrical parameter is voltage or electric current.
- The detection method of multiple electromagnetic valve the most according to claim 1, it is characterised in that: the plurality of electromagnetic valve is same type, controls voltage identical.
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| CN201410264082.0A CN104020378B (en) | 2014-06-10 | 2014-06-10 | The detection method of multiple electromagnetic valves and device |
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| CN201410264082.0A CN104020378B (en) | 2014-06-10 | 2014-06-10 | The detection method of multiple electromagnetic valves and device |
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| CN104766071B (en) * | 2015-04-28 | 2018-02-02 | 重庆邮电大学 | A kind of traffic lights fast algorithm of detecting applied to pilotless automobile |
| CN111610440A (en) * | 2020-05-13 | 2020-09-01 | 石家庄君乐宝乳业有限公司 | Electromagnetic valve fault detection circuit and detection method |
| CN112763825A (en) * | 2020-12-24 | 2021-05-07 | 深圳市宗泰电机有限公司 | Method and device for detecting gasket of electromagnetic valve |
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| DE2807095C2 (en) * | 1978-02-20 | 1979-08-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit arrangement for monitoring the current maldistribution in two parallel-connected converter branches |
| CN2353003Y (en) * | 1998-08-17 | 1999-12-08 | 黄继祥 | Alarming control device |
| DE60321541D1 (en) * | 2002-02-04 | 2008-07-24 | Bosch Automotive Systems Corp | LASER FAILURE DIAGNOSTIC METHOD AND DEVICE AND LASER FAILURE PROCESSING AND DEVICE |
| CN1450452A (en) * | 2002-04-05 | 2003-10-22 | 清华大学 | Method and device for diagnosing and testing switch electromagnetic valve running-in for electric controlled diesel engine |
| CN101359228B (en) * | 2008-09-09 | 2011-04-20 | 张东来 | Electromagnetic control element failure diagnosis method and device based on variation of electric current at drive end |
| CN101441475B (en) * | 2008-12-22 | 2011-06-08 | 三一重工股份有限公司 | Failure diagnosis device and method of electric control circuit |
| JP5724928B2 (en) * | 2012-03-29 | 2015-05-27 | アイシン・エィ・ダブリュ株式会社 | Electromagnetic valve drive circuit control device and abnormality diagnosis method |
| CN203894380U (en) * | 2014-06-10 | 2014-10-22 | 杭州泽天科技有限公司 | Detection device for a plurality of solenoid valves |
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Effective date of registration: 20210120 Address after: 310053 Room 301, 3 / F, building 1, 22 Zhiren street, Puyan street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: HANGZHOU CHUNLAI TECHNOLOGY Co.,Ltd. Address before: 310053 7th floor, building 2, No. 22, Park Middle Road, Puyan street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU ZETIAN TECHNOLOGY Inc. |
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Address after: 310053 Room 301, 3 / F, building 1, 22 Zhiren street, Puyan street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Zetian Chunlai Technology Co.,Ltd. Country or region after: China Address before: 310053 Room 301, 3 / F, building 1, 22 Zhiren street, Puyan street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU CHUNLAI TECHNOLOGY Co.,Ltd. Country or region before: China |