CN108194684B - A kind of intellectual water closet electromagnetism valve seal control method and control circuit - Google Patents
A kind of intellectual water closet electromagnetism valve seal control method and control circuit Download PDFInfo
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- CN108194684B CN108194684B CN201810020533.4A CN201810020533A CN108194684B CN 108194684 B CN108194684 B CN 108194684B CN 201810020533 A CN201810020533 A CN 201810020533A CN 108194684 B CN108194684 B CN 108194684B
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention discloses a kind of intellectual water closet electromagnetism valve seal control method, using direct current demagnetization method, provides the forward current of t1 time first for solenoid valve, then provide the reverse current of t2 time for solenoid valve.Invention additionally discloses a kind of intellectual water closet electromagnetism valve seal control circuits, including control module and signal generator module, wherein, the input terminal of the output end connection signal generation module of control module, and the output end of signal generator module connects solenoid valve, under the control of control module, signal generator module generates forward and reverse electric current, to realize the water outlet of solenoid valve, sealing and demagnetization.Such technical solution can be by being simply transformed, and solving the problems, such as can not sealing after solenoid valve is used for a long time.
Description
Technical field
The present invention relates to a kind of intellectual water closet circuit structure, in particular to a kind of electromagnetism valve seal control method and phase
The controling circuit structure answered.
Background technique
After a number of uses, the soft magnetism water stop valve core of normally closed solenoid valve can be because frequently for the water outlet solenoid valve of intellectual water closet
There is remanence phenomenon in opening and closing, and causes after power-off releases external magnetic field, and water stop valve core still has magnetic force, and spool is caused to be adsorbed on
On fixed core and occur can not sealing the phenomenon that.
To solve the above-mentioned problems, existing method is to carry out demagnetization processing to water stop valve core.According to use environment etc. because
Element, the external magnetic field etc. that the demagnetizing method of use has high-temperature heating, vibration, offer reversed.Wherein design reversed external magnetic field due to
The advantages that supplementary means of its needs is few, easy to operate becomes most common method.Existing opposing magnetic field method needs to increase demagnetization
The electronic components such as power supply, diode or bucking coil, or the method using transformation valve core of the electromagnetic valve.
Summary of the invention
The purpose of the present invention is to provide a kind of intellectual water closet electromagnetism valve seal control method and control circuit, can
By being simply transformed, solving the problems, such as can not sealing after solenoid valve is used for a long time.
In order to achieve the above objectives, solution of the invention is:
A kind of intellectual water closet electromagnetism valve seal control method, using direct current demagnetization method, when providing t1 first for solenoid valve
Between forward current, then provide the reverse current of t2 time for solenoid valve.
The setting method of above-mentioned t2 is: by experiment, measuring multiple groups magnetic induction intensity using gaussmeter, obtains corresponding song
Line relationship, to be set accordingly to the time.
The corresponding magnetic induction intensity of the t2 is 0 to 1mT.
The corresponding magnetic induction intensity of the t2 is 0.4mT.
A kind of intellectual water closet electromagnetism valve seal control circuit, including control module and signal generator module, wherein control
The input terminal of the output end connection signal generation module of module, and the output end of signal generator module connects solenoid valve, is controlling
Under the control of module, signal generator module generates forward and reverse electric current, to realize the water outlet of solenoid valve, sealing and demagnetization.
Above-mentioned control module uses single-chip microcontroller.
Above-mentioned signal generator module includes solenoid-driven chip, first resistor and second resistance, wherein solenoid-driven
Chip has the first control terminal, the second control terminal and the first output end, second output terminal, the first control terminal connection the first control letter
Number, the second control terminal connects second control signal, and the first, second control signal is logic control level, it is defined as follows:
When the logic of first control signal is 1 and the logic of second control signal is 0, the first output end is forward voltage
And second output terminal and the first output end are formed into a loop, and are defined as forward current at this time；
When the logic of first control signal is 0 and the logic of second control signal is 1, second output terminal is forward voltage
And first output end and second output terminal be formed into a loop, be defined as reverse current at this time；
When the logic of first control signal is 1 and the logic of second control signal is 1, the first output end and the second output
It is 0 that end voltage, which quickly falls,；
When the logic of first control signal is 0 and the logic of second control signal is 0, the first output end and the second output
Holding voltage is all 0.
Above-mentioned signal generator module includes the first PMOS tube, the second PMOS tube, the first NMOS tube and the second NMOS tube, described
4 metal-oxide-semiconductor connection composition H-bridge circuits；The control module output first control signal and second control signal, the first control letter
Number connection the first PMOS tube, the control terminal of the first NMOS tube, second control signal connect the second PMOS tube, the second NMOS tube control
End processed；First output end of the junction as signal generator module of first PMOS tube, the first NMOS tube, the second PMOS tube,
Second output terminal of the junction of two NMOS tubes as signal generator module, two output ends are separately connected the both ends of solenoid valve,
First, second control signal is logic control level, is defined as follows:
When the logic of first control signal is 1 and the logic of second control signal is 0, the first PMOS tube, the 2nd NMOS
Pipe cut-off, the first NMOS tube, the conducting of the second PMOS tube, second output terminal is forward voltage and second output terminal and the first output end
Forming circuit, is defined as forward current at this time；
When the logic of first control signal is 0 and the logic of second control signal is 1, the first PMOS tube, the 2nd NMOS
Pipe conducting, the first NMOS tube, the cut-off of the second PMOS tube, the first output end is forward voltage and the first output end and second output terminal
Forming circuit, is defined as reverse current at this time；
When the logic of first control signal is 1 and the logic of second control signal is 1, the first PMOS tube, the 2nd PMOS
Pipe cut-off, the first NMOS tube, the second NMOS transistor conduction, the first output end and second output terminal are defined at this time by forming circuit
For repid discharge；
When the logic of first control signal is 0 and the logic of second control signal is 0, the first PMOS tube, the 2nd PMOS
Pipe conducting, the first NMOS tube, the cut-off of the second NMOS tube, the first output end and second output terminal voltage are equal.
After adopting the above scheme, the present invention does not need to increase electronic component in circuit, do not need yet for solenoid valve into
The dedicated design of row need to only modify to control circuit board on the basis of original electronic control circuit and solenoid valve.
On the other hand, this design control circuit and control strategy, be able to solve after solenoid valve is used for a long time can not sealing the problem of.
Detailed description of the invention
Fig. 1 is the circuit diagram of first embodiment of the invention；
Fig. 2 is the control signal timing diagram of first embodiment of the invention；
Fig. 3 is the control flow chart of first embodiment of the invention；
Fig. 4 is magnetic induction intensity and erasing time relational graph after demagnetization；
Fig. 5 is the circuit diagram of second embodiment of the invention.
Specific embodiment
Below with reference to attached drawing, technical solution of the present invention is described in detail.
The present invention provides a kind of intellectual water closet electromagnetism valve seal control method, including following content: using direct current demagnetization
Method provides the forward current of t1 time first for solenoid valve, then provides the reverse current of t2 time for solenoid valve；Wherein, t2
Time sets as the case may be, can measure multiple groups magnetic induction intensity using gaussmeter by experiment, obtain corresponding curve and close
System, to be set accordingly to the time.
The present invention also provides a kind of intellectual water closet electromagnetism valve seal control circuits, including control module and signal to generate mould
Block, wherein the input terminal of the output end connection signal generation module of control module, and the output end of signal generator module connection electricity
Magnet valve, under the control of control module, signal generator module generate forward and reverse electric current, to realize the water outlet of solenoid valve, sealing
And demagnetization.
As shown in Figure 1, being a kind of specific implementation circuit diagram of the invention, the control module uses 8 single-chip microcontrollers, this list
Piece machine has timer function, can produce control signal 1,2；The signal generator module includes solenoid-driven chip Q1,
One resistance R8 and second resistance R10, wherein Q1 have the first control terminal RIN, the second control terminal FIN and the first output end OUT1,
Second output terminal OUT2, the first control terminal RIN connection control signal 1, and the second control terminal FIN connection controls signal 2, control signal
1,2 be logic control level, is defined as follows:
When control signal 1 logic be 1 and control signal 2 logic be 0 when, the first output end Out1 be+12V voltage and
Out2 output is formed into a loop with Out1, is defined as forward current at this time.
When control signal 1 logic be 0 and control signal 2 logic be 1 when, second output terminal Out2 be+12V voltage and
Out1 output is formed into a loop with Out2, is defined as reverse current at this time.
When the logic of first control signal is 1 and the logic of second control signal is 1, the first output end and the second output
It is 0 that end voltage, which quickly falls, solenoid valve repid discharge at this time.
When the logic for controlling signal 1 is 0 and the logic of control signal 2 is 0, the first output end Out1 and second output terminal
Out2 voltage is all 0, at this time solenoid valve no power.
In the present embodiment, the sequential relationship of signal 1,2 is controlled as shown in Fig. 2, cooperating shown in Fig. 3 simultaneously, the present embodiment
At work, when needing water flowing, opens solenoid valve is needed, leads to forward current, generates positive magnetic field, solenoid valve is attracted.When need
When cutting off the water supply, need to close solenoid valve, at this time it is first determined whether triggering demagnetization program is passed through reversed into after demagnetization program
Electric current generates opposing magnetic field.The time is calculated by timer, the erasing time is determined according to Fig. 4.Since there are also bullets inside solenoid valve
Spring controls the water-stagnating effect of water stop valve core, therefore demagnetization does not need to accomplish harsh complete demagnetization effectiveness, need to only guarantee that remanent magnetism is imitated
The magnetic force that should be generated is less than the elastic force of spring, and as shown in Figure 4, the magnetic induction intensity after demagnetization can reach effectively in 1mT
The effect of solenoid valve is closed, to guarantee effectively to completely close solenoid valve, the magnetic induction intensity after demagnetization is arranged is in 0.4mT.Finally
The remaining capacity that solenoid valve is discharged by control driving chip, prevents excessive demagnetization from leading to reversed remanent magnetism.
As shown in figure 5, being another implementing circuit figure of the invention, the control module is used to generate logic control level,
Signal 1,2 is respectively controlled, signal generator module includes two PMOS tube Q1, Q4 and two NMOS tubes Q2, Q3, Q1-Q4 connection
Driving circuit for electromagnetic valve is formed, and controls the control terminal that signal 1 connects Q1, Q2, control signal 2 connects the control terminal of Q3, Q4；
An output end of the junction of Q1, Q2 as signal generator module, the junction of Q3, Q4 are as the another of signal generator module
A output end, two output ends are separately connected the both ends of solenoid valve.
When the logic for controlling signal 1 is 1 and the logic of control signal 2 is 0, Q1, Q3 cut-off, Q2, Q4 conducting, output
Out2 is+12V voltage and Out2 output is formed into a loop with Out1, is defined as forward current at this time.
When the logic for controlling signal 1 is 0 and the logic of control signal 2 is 1, Q1, Q3 conducting, Q2, Q4 cut-off, output
Out1 is+12V voltage and Out1 output is formed into a loop with Out2, is defined as reverse current at this time.
When the logic for controlling signal 1 is 1 and the logic of control signal 2 is 1, Q1, Q4 cut-off, Q2, Q3 conducting, output
It is 0 that Out1 and Out2 voltage, which quickly falls, solenoid valve repid discharge at this time.
When the logic for controlling signal 1 is 0 and the logic of control signal 2 is 0, Q1, Q4 conducting, Q2, Q3 cut-off, output
Out1 and Out2 voltage is equal, and solenoid valve does not have electric current to flow through at this time.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
Within.
Claims (7)
1. a kind of intellectual water closet electromagnetism valve seal control method, it is characterised in that: use direct current demagnetization method, be first solenoid valve
The forward current of t1 time is provided, then provides the reverse current of t2 time for solenoid valve；The setting method of the t2 is: passing through reality
It tests, measures multiple groups magnetic induction intensity using gaussmeter, specifically provide reverse current for solenoid valve, measure remaining when different time
Magnetic induction intensity, using corresponding magnetic induction intensity as ordinate, obtain corresponding curved line relation using the time as abscissa, from
And the time is set accordingly.
2. a kind of intellectual water closet electromagnetism valve seal control method as described in claim 1, it is characterised in that: the t2 is corresponding
Magnetic induction intensity be 0 to 1mT.
3. a kind of intellectual water closet electromagnetism valve seal control method as claimed in claim 2, it is characterised in that: the t2 is corresponding
Magnetic induction intensity be 0.4mT.
4. a kind of intellectual water closet electromagnetism valve seal control circuit, it is characterised in that: including control module and signal generator module,
Wherein, the input terminal of the output end connection signal generation module of control module, and the output end of signal generator module connects electromagnetism
Valve, under the control of control module, signal generator module generate forward and reverse electric current, thus realize the water outlet of solenoid valve, sealing and
Demagnetization；The duration of reverse current is t2, and the setting method of t2 is: by experiment, measuring multiple groups magnetic induction using gaussmeter
Intensity specifically provides reverse current for solenoid valve, measures remaining magnetic induction intensity when different time, with the time for horizontal seat
Mark, using corresponding magnetic induction intensity as ordinate, obtains corresponding curved line relation, to be set accordingly to the time.
5. a kind of intellectual water closet electromagnetism valve seal control circuit as claimed in claim 4, it is characterised in that: the control mould
Block uses single-chip microcontroller.
6. a kind of intellectual water closet electromagnetism valve seal control circuit as claimed in claim 4, it is characterised in that: the signal produces
Raw module includes solenoid-driven chip, first resistor and second resistance, wherein solenoid-driven chip has the first control
End, the second control terminal and the first output end, second output terminal, the first control terminal connect first control signal, and the second control terminal connects
Second control signal is connect, the first, second control signal is logic control level, it is defined as follows:
When the logic of first control signal is 1 and the logic of second control signal is 0, the first output end is forward voltage and the
Two output ends and the first output end are formed into a loop, and are defined as forward current at this time；
When the logic of first control signal is 0 and the logic of second control signal is 1, second output terminal is forward voltage and the
One output end and second output terminal are formed into a loop, and are defined as reverse current at this time；
When the logic of first control signal is 1 and the logic of second control signal is 1, the first output end and second output terminal electricity
It is 0 that pressure, which is quickly fallen,；
When the logic of first control signal is 0 and the logic of second control signal is 0, the first output end and second output terminal electricity
Pressure is all 0.
7. a kind of intellectual water closet electromagnetism valve seal control circuit as claimed in claim 4, it is characterised in that: the signal produces
Raw module includes the first PMOS tube, the second PMOS tube, the first NMOS tube and the second NMOS tube, 4 metal-oxide-semiconductors connection composition electricity
Electromagnetic valve driving circuit；The control module output first control signal and second control signal, first control signal connection first
The control terminal of PMOS tube, the first NMOS tube, second control signal connect the second PMOS tube, the control terminal of the second NMOS tube；First
First output end of the junction as signal generator module of PMOS tube, the first NMOS tube, the second PMOS tube, the second NMOS tube
Second output terminal of the junction as signal generator module, two output ends are separately connected the both ends of solenoid valve, the first, second control
Signal processed is logic control level, is defined as follows:
When the logic of first control signal is 1 and the logic of second control signal is 0, the first PMOS tube, the second NMOS tube are cut
Only, the first NMOS tube, the conducting of the second PMOS tube, second output terminal is forward voltage and second output terminal is formed with the first output end
Circuit is defined as forward current at this time；
When the logic of first control signal is 0 and the logic of second control signal is 1, the first PMOS tube, the second NMOS tube are led
Logical, the first NMOS tube, the cut-off of the second PMOS tube, the first output end is forward voltage and the first output end is formed with second output terminal
Circuit is defined as reverse current at this time；
When the logic of first control signal is 1 and the logic of second control signal is 1, the first PMOS tube, the second PMOS tube are cut
Only, the first NMOS tube, the second NMOS transistor conduction, the first output end and second output terminal are defined as fast at this time by forming circuit
Speed electric discharge；
When the logic of first control signal is 0 and the logic of second control signal is 0, the first PMOS tube, the second PMOS tube are led
Logical, the first NMOS tube, the cut-off of the second NMOS tube, the first output end and second output terminal voltage are equal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020533.4A CN108194684B (en) | 2018-01-10 | 2018-01-10 | A kind of intellectual water closet electromagnetism valve seal control method and control circuit |
| PCT/CN2018/124541 WO2019137233A1 (en) | 2018-01-10 | 2018-12-28 | Water stop control method and circuit for solenoid valve of intelligent toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020533.4A CN108194684B (en) | 2018-01-10 | 2018-01-10 | A kind of intellectual water closet electromagnetism valve seal control method and control circuit |
Publications (2)
| Publication Number | Publication Date |
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| CN108194684A CN108194684A (en) | 2018-06-22 |
| CN108194684B true CN108194684B (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810020533.4A Active CN108194684B (en) | 2018-01-10 | 2018-01-10 | A kind of intellectual water closet electromagnetism valve seal control method and control circuit |
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| CN (1) | CN108194684B (en) |
| WO (1) | WO2019137233A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194684B (en) * | 2018-01-10 | 2019-05-24 | 厦门佳普乐电子科技有限公司 | A kind of intellectual water closet electromagnetism valve seal control method and control circuit |
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|---|---|---|---|---|
| JP2004304921A (en) * | 2003-03-31 | 2004-10-28 | Denso Corp | Electromagnetic actuator-controlling device |
| CN1816709A (en) * | 2003-02-06 | 2006-08-09 | 斯特曼工业公司 | Miniature poppet valve assembly |
| CN102661430A (en) * | 2012-05-22 | 2012-09-12 | 黄冈力达实业有限公司 | Compensation type micro-control solenoid valve |
| CN202670730U (en) * | 2012-08-03 | 2013-01-16 | 苏州工业园区华焊科技有限公司 | Electromagnetic absorption nut conveying device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145414Y (en) * | 1992-12-30 | 1993-11-03 | 吴汝怀 | gas leakage alarm |
| CN202203483U (en) * | 2011-08-16 | 2012-04-25 | 四川卓越科技工程有限责任公司 | Control circuit for direct-current electromagnetic valve |
| WO2016064596A1 (en) * | 2014-10-22 | 2016-04-28 | Borgwarner Inc. | Solenoid driver |
| CN205715924U (en) * | 2016-04-12 | 2016-11-23 | 四川南格尔生物科技有限公司 | A kind of electromagnetic valve device |
| CN207740532U (en) * | 2018-01-10 | 2018-08-17 | 厦门佳普乐电子科技有限公司 | A kind of intellectual water closet electromagnetism valve seal control circuit |
| CN108194684B (en) * | 2018-01-10 | 2019-05-24 | 厦门佳普乐电子科技有限公司 | A kind of intellectual water closet electromagnetism valve seal control method and control circuit |
-
2018
- 2018-01-10 CN CN201810020533.4A patent/CN108194684B/en active Active
- 2018-12-28 WO PCT/CN2018/124541 patent/WO2019137233A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816709A (en) * | 2003-02-06 | 2006-08-09 | 斯特曼工业公司 | Miniature poppet valve assembly |
| JP2004304921A (en) * | 2003-03-31 | 2004-10-28 | Denso Corp | Electromagnetic actuator-controlling device |
| CN102661430A (en) * | 2012-05-22 | 2012-09-12 | 黄冈力达实业有限公司 | Compensation type micro-control solenoid valve |
| CN202670730U (en) * | 2012-08-03 | 2013-01-16 | 苏州工业园区华焊科技有限公司 | Electromagnetic absorption nut conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108194684A (en) | 2018-06-22 |
| WO2019137233A1 (en) | 2019-07-18 |
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