CN107191658A - Two-wire system realizes the method and device of solenoid valve control and state-detection - Google Patents
Two-wire system realizes the method and device of solenoid valve control and state-detection Download PDFInfo
- Publication number
- CN107191658A CN107191658A CN201710434265.6A CN201710434265A CN107191658A CN 107191658 A CN107191658 A CN 107191658A CN 201710434265 A CN201710434265 A CN 201710434265A CN 107191658 A CN107191658 A CN 107191658A
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- China
- Prior art keywords
- magnetic valve
- detection
- control
- circuit unit
- state
- Prior art date
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
Abstract
The invention discloses the method and device that a kind of two-wire system realizes solenoid valve control and state-detection, it includes controlling method, magnetic valve access state checking method and/or the magnetic valve opening detection method of magnetic valve folding.Wherein, control unit of electromagnetic valve controls being turned on and off for magnetic valve by voltage or pulse signal；Magnetic valve access state detection unit judges the access state of magnetic valve by detecting the voltage of magnetic valve binding post；The control coil of magnetic valve and the electric capacity composition LC oscillators of magnetic valve opening detection unit, magnetic valve opening detection unit judge the on off state of magnetic valve by detecting the change of frequency of oscillation.This two-wire system realizes that the method and device of solenoid valve control and state-detection has the advantages that design science, practical, cost are low, safe and reliable.
Description
Technical field
The present invention relates to the method and device that two-wire system realizes solenoid valve control and state-detection.
Background technology
At present, sensor control is only resided within solenoid valve control detection technique, or uses processor motor
Realize SERVO CONTROL, it is impossible to realize the dynamic realtime state-detection to magnetic valve, circuit connection is complicated, typically using four-wire system.
Detection method is general to realize that position is detected by sensor, and precision is low, and detection control method is not advanced.
The content of the invention
The technical problems to be solved by the invention are generally speaking to provide a kind of two-wire system and realize solenoid valve control and state
The method and device of detection；The technical problem and acquirement beneficial effect solved in detail is in aftermentioned content and combines specific implementation
Content is specifically described in mode.
To solve the above problems, the technical solution used in the present invention is：
A kind of method that two-wire system realizes solenoid valve control and state-detection, includes method, the electricity of control magnetic valve folding
Magnet valve access state checking method and/or magnetic valve opening detection method；
It is described control magnetic valve folding method be：First, processor sends folding magnetic valve letter to control circuit unit
Number；Then, control circuit unit controls the folding of magnetic valve according to the folding solenoid signal；
The magnetic valve access state checking method is：First, access state detection comparator collection magnetic valve terminals
The voltage signal of son；Then, access state detection comparator is processed as level signal to the voltage signal；Finally, by the level
Signal is transferred to processor, and processor judges magnetic valve access state according to the level signal；
The magnetic valve opening detection method is：First, in the control coil and oscillation circuit unit in magnetic valve
Electric capacity composition LC oscillators, and produce oscillator signal；Then, the oscillator signal is passed to amplifying circuit by oscillation circuit unit
Unit, amplifier circuit unit is amplified processing to the signal；Secondly, amplifier circuit unit transmits the oscillator signal after amplification
Give opening detection comparator, opening detection comparator carries out Shape correction to oscillator signal, and by the letter after shaping
Number pass to processor；Finally, processor judges magnetic valve opening according to the data signal.
A kind of two-wire system realizes the device of solenoid valve control and state-detection, including processor and detection unit；Detection
Unit is electrically connected with the solenoid valve by two-wire system mode.
It is used as the further improvement of above-mentioned technical proposal：
The detection unit includes the control circuit unit for being used to control magnetic valve folding；Processor output end and control electricity
The input electrical connection of road unit, the output end of control circuit unit is electrically connected with the folding control device of magnetic valve.
The detection unit includes access state detection comparator；The input and magnetic valve of access state detection comparator
The electrical connection of magnetic valve binding post, the output end of access state detection comparator electrically connects with the input of processor；
Access state detection comparator is used for the voltage signal for gathering magnetic valve binding post, and converts this voltage to electricity
Ordinary mail number, and pass to processor.
The detection unit include oscillation circuit unit, the amplifier circuit unit that is electrically connected with oscillation circuit unit and
The opening detection comparator electrically connected respectively with amplifier circuit unit and processor；
Oscillation circuit unit constitutes LC oscillators by the control coil in electric capacity and magnetic valve, and produces oscillator signal,
Amplifier circuit unit amplifies the oscillator signal, and opening detection comparator carries out the oscillator signal after amplification at shaping
Reason, and pass to processor.
Circuit unit is controlled to include pulse signal generator, magnetic valve is impulse electromagnetic valve.
Detection unit is electrically connected by two-wire system mode with magnetic valve internal control coil and/or processor be electrically connected with it is aobvious
Show device.
The inventive method has the following advantages that：
The two-wire system realizes that the method for solenoid valve control and state-detection has that design science, practical, cost is low, peace
Complete reliable the advantages of.
Beneficial effects of the present invention not limited to this is described, and in order to preferably readily appreciate, is entered in embodiment part
More detailed description is gone.
Brief description of the drawings
Fig. 1 is the control block diagram of the present invention.
Fig. 2 is the detection method schematic diagram of the present invention.
Wherein：1st, processor；2nd, oscillation circuit unit；3rd, circuit unit is controlled；4th, magnetic valve binding post；5th, shape is accessed
State detection comparator；6th, amplifier circuit unit；7th, opening detection comparator；8th, display.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
As shown in Figure 1-2, the method that the two-wire system of the present embodiment realizes solenoid valve control and state-detection, including control electricity
The method of magnet valve folding, magnetic valve access state checking method and/or magnetic valve opening detection method, i.e. these three methods
One or more；
Controlling the method for magnetic valve folding is：First, processor 1 sends folding solenoid signal to control circuit unit 3；
Then, control circuit unit 3 controls the folding of magnetic valve according to the folding solenoid signal；Control is run jointly so as to realize magnetic valve
System.
Magnetic valve access state checking method is：First, the collection magnetic valve of access state detection comparator 5 binding post 4
Voltage signal；Then, the voltage signal is processed as level signal by access state detection comparator 5；Finally, the level is believed
Number processor 1 is transferred to, processor 1 judges magnetic valve access state according to the level signal.
Magnetic valve opening detection method is：First, the control coil in magnetic valve and the electricity in oscillation circuit unit 2
Hold composition LC oscillators, and produce oscillator signal；Then, the oscillator signal is passed to amplifying circuit list by oscillation circuit unit 2
Member 6,6 pairs of signals of amplifier circuit unit are amplified processing；Secondly, amplifier circuit unit 6 passes the oscillator signal after amplification
Opening detection comparator 7 is passed, opening detection comparator 7 carries out Shape correction to oscillator signal, and by after processing
Signal pass to processor 1；Finally, processor 1 judges magnetic valve opening according to the oscillator signal.
LC oscillators are constituted by the inductance and electric capacity of magnetic valve, solenoid valve control is with detection device by detecting oscillation frequency
The change of rate, distinguishes the access state and on off state of magnetic valve.
The present invention provides two-wire system and realizes magnetic valve (or quick action emergency valve, hereinafter referred to as magnetic valve) control and state-detection
Method and apparatus.Solenoid valve control is connected with detection device with magnetic valve by two power lines, realizes control magnetic valve
On off state, and detect access state states such as (accessed, do not accessed) Wiring faults of magnetic valve and the switch shape of magnetic valve
State (state such as unlatching, closing).
Solenoid valve control controls the opening and closing of magnetic valve with detection device by voltage or pulse signal, magnetic valve
The electric capacity composition LC oscillators of inductance and solenoid valve control and detection device, solenoid valve control is vibrated with detection device by detecting
The change of frequency, distinguishes the access state and on off state of magnetic valve.
Solenoid valve control shows (or not showing) magnetic valve state with detection device alternative, also alternative by electromagnetism
Valve status information is output to other display equipment, the on off state of the remote controlled magnetic valve of other display equipment.
Specifically, as shown in Figure 1 and Figure 2, set as a kind of optimization solenoid valve control for implementing the above method with detection
It is standby.It includes processor 1 and solenoid valve control and the detection unit of detection device；Detection unit passes through two-wire system mode and electricity
Magnet valve is electrically connected.
Detection unit includes the control circuit unit 3 for being used to control magnetic valve folding；The output end of processor 1 and control circuit
The input electrical connection of unit 3, the output end of control circuit unit 3 is electrically connected with the folding control device of magnetic valve.
Detection unit includes access state detection comparator 5；The input of access state detection comparator 5 and magnetic valve
Magnetic valve binding post 4 is electrically connected, and the output end of access state detection comparator 5 is electrically connected with the input of processor 1；
Access state detection comparator 5 is used for the voltage signal for gathering magnetic valve binding post 4, and the voltage signal is changed
Into level signal, and processor 1 is passed to, processor 1 judges magnetic valve access state by level signal.
Amplifier circuit unit 6, Yi Jifen that detection unit includes oscillation circuit unit 2, electrically connected with oscillation circuit unit 2
The opening detection comparator 7 not electrically connected with amplifier circuit unit 6 and processor 1；
Oscillation circuit unit 2 constitutes LC oscillators by the control coil in electric capacity and magnetic valve, and produces oscillator signal,
Amplifier circuit unit 6 amplifies the oscillator signal, and the oscillator signal after amplification is passed to processing by opening detection comparator 7
Device 1.
Preferably, control circuit unit 3 includes pulse signal generator, magnetic valve is impulse electromagnetic valve.
Preferably, control circuit unit 3 includes voltage signal generator, magnetic valve is voltage-controlled magnetic valve.
Preferably, detection unit is electrically connected and/or processor 1 by two-wire system mode with magnetic valve internal control coil
It is electrically connected with display 8.
The two-wire system realizes that the method for solenoid valve control and state-detection has that design science, practical, cost is low, peace
Complete reliable the advantages of.
Reasonable in design, with low cost, durable, safe and reliable, simple to operate, time saving and energy saving, saving fund of the invention,
Compact conformation and easy to use.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (7)
1. a kind of method that two-wire system realizes solenoid valve control and state-detection, it is characterised in that：Including control magnetic valve folding
Method, magnetic valve access state checking method and/or magnetic valve opening detection method；
It is described control magnetic valve folding method be：First, processor (1) sends folding magnetic valve to control circuit unit (3)
Signal；Then, control circuit unit (3) controls the folding of magnetic valve according to the folding solenoid signal；
The magnetic valve access state checking method is：First, access state detection comparator (5) collection magnetic valve binding post
(4) voltage signal；Then, access state detection comparator (5) is processed as level signal to the voltage signal；Finally, by this
Level signal is transferred to processor (1), and processor (1) judges magnetic valve access state according to the level signal；
The magnetic valve opening detection method is：First, in the control coil in magnetic valve and oscillation circuit unit (2)
Electric capacity constitutes LC oscillators, and produces oscillator signal；Then, the oscillator signal is passed to amplification electricity by oscillation circuit unit (2)
Road unit (6), amplifier circuit unit (6) is amplified processing to the signal；Secondly, amplifier circuit unit (6) is by after amplification
Oscillator signal passes to opening detection comparator (7), and opening detection comparator (7) is carried out at shaping to oscillator signal
Reason, and the signal after shaping is passed into processor (1)；Finally, processor (1) judges that magnetic valve is opened according to the data signal
State.
2. a kind of two-wire system realizes the device of solenoid valve control and state-detection, it is characterised in that：Including processor (1) and inspection
Survey unit；Detection unit is electrically connected with the solenoid valve by two-wire system mode.
3. two-wire system according to claim 2 realizes the device of solenoid valve control and state-detection, it is characterised in that：It is described
Detection unit includes the control circuit unit (3) for being used to control magnetic valve folding；Processor (1) output end and control circuit unit
(3) input electrical connection, the output end of control circuit unit (3) is electrically connected with the folding control device of magnetic valve.
4. two-wire system according to claim 2 realizes the device of solenoid valve control and state-detection, it is characterised in that：It is described
Detection unit includes access state detection comparator (5)；The input of access state detection comparator (5) and the electromagnetism of magnetic valve
Valve binding post (4) is electrically connected, and the output end of access state detection comparator (5) is electrically connected with the input of processor (1)；
Access state detection comparator (5) is used for the voltage signal for gathering magnetic valve binding post (4), and converts this voltage to
Level signal, and pass to processor (1).
5. two-wire system according to claim 2 realizes the device of solenoid valve control and state-detection, it is characterised in that：It is described
Detection unit includes oscillation circuit unit (2), the amplifier circuit unit (6) electrically connected with oscillation circuit unit (2) and difference
The opening detection comparator (7) electrically connected with amplifier circuit unit (6) and processor (1)；
Oscillation circuit unit (2) constitutes LC oscillators by the control coil in electric capacity and magnetic valve, and produces oscillator signal, puts
Big circuit unit (6) amplifies the oscillator signal, and the oscillator signal after amplification is carried out shaping by opening detection comparator (7)
Processing, and pass to processor (1).
6. two-wire system according to claim 3 realizes the device of solenoid valve control and state-detection, it is characterised in that：Control
Circuit unit (3) includes pulse signal generator, and magnetic valve is impulse electromagnetic valve.
7. the two-wire system according to claim any one of 2-6 realizes the device of solenoid valve control and state-detection, its feature
It is：Detection unit is electrically connected by two-wire system mode with magnetic valve internal control coil and/or processor (1) be electrically connected with it is aobvious
Show device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434265.6A CN107191658A (en) | 2017-06-09 | 2017-06-09 | Two-wire system realizes the method and device of solenoid valve control and state-detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434265.6A CN107191658A (en) | 2017-06-09 | 2017-06-09 | Two-wire system realizes the method and device of solenoid valve control and state-detection |
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| Publication Number | Publication Date |
|---|---|
| CN107191658A true CN107191658A (en) | 2017-09-22 |
Family
ID=59877550
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710434265.6A Pending CN107191658A (en) | 2017-06-09 | 2017-06-09 | Two-wire system realizes the method and device of solenoid valve control and state-detection |
Country Status (1)
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| CN (1) | CN107191658A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302241A (en) * | 2018-01-16 | 2018-07-20 | 杭州电子科技大学 | A kind of distributed pulse-width regulated electromagnetic valve control method based on deep learning identification |
| CN109270863A (en) * | 2018-10-10 | 2019-01-25 | 上海新力动力设备研究所 | A kind of driving circuit for electromagnetic valve with status detection function |
| CN113848468A (en) * | 2021-09-22 | 2021-12-28 | 华帝股份有限公司 | Electromagnetic valve state detection method based on unit impulse function and electromagnetic valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109270863A (en) * | 2018-10-10 | 2019-01-25 | 上海新力动力设备研究所 | A kind of driving circuit for electromagnetic valve with status detection function |
| CN113848468A (en) * | 2021-09-22 | 2021-12-28 | 华帝股份有限公司 | Electromagnetic valve state detection method based on unit impulse function and electromagnetic valve |
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Application publication date: 20170922 |