CN203894380U - Detection device for a plurality of solenoid valves - Google Patents
Detection device for a plurality of solenoid valves Download PDFInfo
- Publication number
- CN203894380U CN203894380U CN201420316480.8U CN201420316480U CN203894380U CN 203894380 U CN203894380 U CN 203894380U CN 201420316480 U CN201420316480 U CN 201420316480U CN 203894380 U CN203894380 U CN 203894380U
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- China
- Prior art keywords
- solenoid valves
- energy dissipation
- dissipation device
- solenoid valve
- pick
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Provided in the utility model is a detection device for a plurality of solenoid valves. At least three solenoid valves are arranged. The detection device is characterized in that an energy-intensive device is connected in series to the circuit of the plurality of solenoid valves, so that currents flow through the energy-intensive device in an equalized mode when any solenoid valve is conducted normally. A detection device is used for detecting the electrical parameter of the energy-intensive device and transmitting the parameter to a comparator. The comparator is used for comparing the received electrical parameter with a parameter threshold value determined based on the number of the solenoid valves in the on state and transmitting a comparison result to an alarm. The alarm is used for carrying out alarming according to the received comparison result. The provided detection device with the advantage of rapid and accurate positioning can be widely applied to fields, needing many solenoid valves, of a water quality analyzer, a flue gas analyzer, and an atmospheric gas analyzer and the like.
Description
Technical field
The utility model relates to solenoid valve, particularly the pick-up unit of a plurality of solenoid valves.
Background technology
The world today faces day by day serious shortage of water resources, the problems such as water is seriously polluted, simultaneously, water quality standard for drinking water raising and wastewater discharge standard are stricter, make to strengthen the supervision to the monitoring of water environment and discharge of wastewater, adopt more advanced Process Control System to improve water treatment efficiency, reduction water treatment and water cost, just to become the inevitable choice of water environment supervision department and water and wastewater industry industry.In this case, the key equipment in water treatment industry Process Control System---online water analysis instrument and application technology thereof are rapidly developed, and stability and the reliability of instrument are greatly improved, and its function is also originally more 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.Solenoid valve is parts important in water quality online analyzer, and it realizes break-make, the switching of stream by electrical control, is the executive component of water quality online analyzer device.Because its usage quantity in water quality online analyzer is many, after breaking down, can cause catastrophic failure, therefore can locate fault solenoid valve, and to report an error be very important.At solenoid valve, be arranged on after water quality online analyzer, if solenoid valve breaks down, can cause measuring and cannot carry out, cause measuring error.
Utility model content
In order to solve the deficiency in above-mentioned prior art scheme, the utility model provide a kind of simple in structure, localization of fault accurately, the pick-up unit of a plurality of solenoid valves rapidly.
The purpose of this utility model is achieved through the following technical solutions:
A pick-up unit for a plurality of solenoid valves, described a plurality of solenoid valves are at least 3, and the pick-up unit of described a plurality of solenoid valves comprises:
Energy dissipation device, described energy dissipation device seals in the circuit of described a plurality of solenoid valves, and while making any solenoid valve normally, electric current all flows through described energy dissipation device;
Detection means, described detection means is for detection of the electrical parameter of described energy dissipation device, and is sent to comparer;
Comparer, described comparer is for the described electrical parameter that relatively receives, according to the quantity of the solenoid valve of opening and definite parameter threshold, and comparative result is sent to alarm;
Alarm, described alarm is for reporting to the police according to the comparative result receiving.
According to the pick-up unit of above-mentioned a plurality of solenoid valves, preferably, the output terminal of described a plurality of solenoid valves links together, and ground connection.
According to the pick-up unit of above-mentioned a plurality of solenoid valves, preferably, described energy dissipation device is arranged between the tie point and earth point of described output terminal.
According to the pick-up unit of above-mentioned a plurality of solenoid valves, preferably, described energy dissipation device is resistance.
According to the pick-up unit of above-mentioned a plurality of solenoid valves, preferably, described detection means is reometer or voltage table.
Compared with prior art, the beneficial effect the utlity model has is:
1, automatically complete detection: close whole solenoid valves and progressively open, by gathering the electrical parameter of energy dissipation device, after relatively, can accurately locate fault solenoid valve, location rapidly;
2, between solenoid valve, be state in parallel, if there is solenoid valve to have fault, can corresponds to electrical parameter abnormal of the energy dissipation device that seals in electromagnetic valve circuit, thereby locate exactly fault solenoid valve;
3, simple in structure, only need in circuit, seal in energy dissipation device (as resistance), comparer can adopt software to realize.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present utility model will be easier to understand.Those skilled in the art hold intelligible: these accompanying drawings are only for illustrating the technical solution of the utility model, and are not intended to protection domain of the present utility model to be construed as limiting.In figure:
Fig. 1 is the process flow diagram of the detection method of a plurality of solenoid valves of the present utility model;
Fig. 2 is the structure diagram of the pick-up unit of a plurality of solenoid valves of the present utility model.
Embodiment
Fig. 1-2 and following declarative description optional embodiment of the present utility model with instruction those skilled in the art, how to implement and to reproduce the utility model.In order to instruct technical solutions of the utility model, simplified or omitted some conventional aspects.Those skilled in the art should understand that be derived from the modification of these embodiments or replace will be in scope of the present utility model.Those skilled in the art should understand that following characteristics can combine to form a plurality of modification of the present utility model in every way.Thus, the utility model is not limited to following optional embodiment, and only by claim and their equivalent, is limited.
Embodiment 1:
Fig. 1 has schematically provided the process flow diagram of detection method of a plurality of solenoid valves of the utility model embodiment, and described a plurality of solenoid valves are at least 3, and as shown in Figure 1, described detection method comprises the following steps:
(A1) in the circuit of described a plurality of solenoid valves, seal in energy dissipation device, while making any solenoid valve normally, electric current all flows through described energy dissipation device, is also about in control circuit that described energy dissipation device seals in each solenoid valve; As the control voltage of solenoid valve is respectively U
1, U
2, U
3u
n, when each solenoid valve is opened separately, the electric current that flows through energy dissipation device is respectively I
1, I
2, I
3i
n;
(A2) close described a plurality of solenoid valve;
(A3) progressively open described a plurality of solenoid valve, detect the electrical parameter of described energy dissipation device, and be sent to comparer;
(A4) the more described electrical parameter of comparer (as electric current, voltage), according to the quantity of the solenoid valve opened and definite parameter (as open M solenoid valve, M≤N, parameter should be I as electric current
1+ I
2+ I
3i
m) threshold value, comparative result is sent to alarm: described threshold value is artificially set, and certain deviate is set near theoretical value interval;
As described in electrical parameter surpass threshold range, show that the solenoid valve of finally opening has fault, prompting alarm is reported to the police;
If described electrical parameter is in threshold range, without warning;
(A5) alarm is reported to the police according to comparative result.
For quicker, accurate location fault solenoid valve, preferably, the output terminal of described a plurality of solenoid valves links together, and ground connection, and described energy dissipation device is arranged between the tie point and earth point of described output terminal.
In order to improve further the locating speed detecting, preferably, described a plurality of solenoid valves are of the same type, control voltage identical.
Fig. 2 has schematically provided the structure diagram of the pick-up unit (for implementing the device of above-mentioned detection method) of a plurality of solenoid valves of the utility model embodiment, described a plurality of solenoid valve is at least 3, as shown in Figure 2, the pick-up unit of described a plurality of solenoid valves comprises:
Energy dissipation device, described energy dissipation device seals in the circuit of described a plurality of solenoid valves, and while making any solenoid valve normally, electric current all flows through described energy dissipation device;
Detection means (as reometer or voltage table), described detection means is for detection of the electrical parameter of described energy dissipation device, and is sent to comparer;
Comparer, described comparer is for the described electrical parameter that relatively receives, according to the quantity of the solenoid valve of opening and definite parameter threshold, and comparative result is sent to alarm; Described comparer adopts circuit to realize;
Alarm, described alarm is for reporting to the police according to the comparative result receiving.
For quicker, accurate location fault solenoid valve, preferably, the output terminal of described a plurality of solenoid valves links together, and ground connection, and energy dissipation device is arranged between the tie point and earth point of described output terminal.
In order to reduce complexity and the cost of device, preferably, described energy dissipation device is resistance.
Embodiment 2:
The application examples in Water Test Kits according to a plurality of solenoid valve detection methods of embodiment 1 and device.
In this application examples, utilized 10 solenoid valves of the same type, and adopted each solenoid valve of 24V Control of Voltage.The output terminal of 10 solenoid valves links together, and ground connection, between tie point and earth point, seal in a resistance, known: during as a solenoid valve conduction, ohmically electric current is I, when that opens M solenoid valve, M≤N, ohmically electric current should be M*I, but consider some influence factors, setting threshold interval [0.5*M*I, 1.5*M*I], M=1,2,3 ... N.Detection means adopts reometer, and the series connection of described resistance, and comparer adopts circuit to realize, and alarm adopts light crossing-signal.
The detection method of above-mentioned 10 solenoid valves, is also the course of work of above-mentioned detection device, and described detection method comprises the following steps:
(A1) provide above-mentioned detection device;
(A2) close described 10 solenoid valves;
(A3) progressively open described a plurality of solenoid valve, electric current Yuan detects the current value of described resistance, and is sent to comparer;
(A4) the more described current value of comparer, according to the quantity M of the solenoid valve opened and definite current threshold [0.5*M*I, 1.5*M*I], comparative result is sent to alarm:
As described in electrical parameter surpass threshold range, show that the solenoid valve of finally opening has fault, prompting alarm is reported to the police;
If described electrical parameter is in threshold range, without warning;
(A5) alarm is reported to the police according to comparative result.
Embodiment 3:
The application examples in flue gas analyzer according to a plurality of solenoid valve detection methods of embodiment 1 and device.
In this application examples, utilized 12 dissimilar solenoid valves, and adopted each solenoid valve of 24V Control of Voltage.A resistance seals in the control circuit of each solenoid valve, known: during the independent conducting of each solenoid valve, ohmically electric current is respectively I
1, I
2, I
3i
n, when opening M solenoid valve, ohmically electric current should be I=I
1+ I
2+ I
3i
m, M≤N, but consider some influence factors, setting threshold interval [0.8*I, 1.2*I].Detection means adopts reometer, and the series connection of described resistance, and comparer adopts circuit to realize, and alarm adopts light crossing-signal.
The detection method of above-mentioned 12 solenoid valves, is also the course of work of above-mentioned detection device, and described detection method comprises the following steps:
(A1) provide above-mentioned detection device;
(A2) close described 12 solenoid valves;
(A3) progressively open described a plurality of solenoid valve, reometer detects the current value of described resistance, and is sent to comparer;
(A4) the more described current value of comparer, according to the quantity M of the solenoid valve opened and definite current threshold [0.8*I, 1.2*I], comparative result is sent to alarm:
As described in electrical parameter surpass threshold range, show that the solenoid valve of finally opening has fault, prompting alarm is reported to the police;
If described electrical parameter is in threshold range, without warning;
(A5) alarm is reported to the police according to comparative result.
Above-described embodiment is only exemplarily to have provided to adopt reometer to remove to detect the electrical parameter of energy dissipation device, certainly can also be voltage Yuan, for a person skilled in the art, embodiment and above-described embodiment are similar, without paying creative work, can draw.
Claims (5)
1. a pick-up unit for a plurality of solenoid valves, described a plurality of solenoid valves are at least 3, and the pick-up unit of described a plurality of solenoid valves comprises:
Energy dissipation device, described energy dissipation device seals in the circuit of described a plurality of solenoid valves, and while making any solenoid valve normally, electric current all flows through described energy dissipation device;
Detection means, described detection means is for detection of the electrical parameter of described energy dissipation device, and is sent to comparer;
Comparer, described comparer is for the described electrical parameter that relatively receives, according to the quantity of the solenoid valve of opening and definite parameter threshold, and comparative result is sent to alarm;
Alarm, described alarm is for reporting to the police according to the comparative result receiving.
2. the pick-up unit of a plurality of solenoid valves according to claim 1, is characterized in that: the output terminal of described a plurality of solenoid valves links together, and ground connection.
3. the pick-up unit of a plurality of solenoid valves according to claim 2, is characterized in that: described energy dissipation device is arranged between the tie point and earth point of described output terminal.
4. the pick-up unit of a plurality of solenoid valves according to claim 1, is characterized in that: described energy dissipation device is resistance.
5. the pick-up unit of a plurality of solenoid valves according to claim 1, is characterized in that: described detection means is reometer or voltage table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316480.8U CN203894380U (en) | 2014-06-10 | 2014-06-10 | Detection device for a plurality of solenoid valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420316480.8U CN203894380U (en) | 2014-06-10 | 2014-06-10 | Detection device for a plurality of solenoid valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894380U true CN203894380U (en) | 2014-10-22 |
Family
ID=51720762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420316480.8U Expired - Fee Related CN203894380U (en) | 2014-06-10 | 2014-06-10 | Detection device for a plurality of solenoid valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203894380U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020378A (en) * | 2014-06-10 | 2014-09-03 | 杭州泽天科技有限公司 | Detection method and device for multiple solenoid valves |
| CN106526478A (en) * | 2016-12-30 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Fault real-time detection method and device for electro-hydraulic proportional solenoid valve |
-
2014
- 2014-06-10 CN CN201420316480.8U patent/CN203894380U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020378A (en) * | 2014-06-10 | 2014-09-03 | 杭州泽天科技有限公司 | Detection method and device for multiple solenoid valves |
| CN106526478A (en) * | 2016-12-30 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Fault real-time detection method and device for electro-hydraulic proportional solenoid valve |
| CN106526478B (en) * | 2016-12-30 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | Electric-hydraulic proportion solenoid valve failure real-time detection method and device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |