CN207740532U - A kind of intellectual water closet electromagnetism valve seal control circuit - Google Patents
A kind of intellectual water closet electromagnetism valve seal control circuit Download PDFInfo
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- CN207740532U CN207740532U CN201820034483.0U CN201820034483U CN207740532U CN 207740532 U CN207740532 U CN 207740532U CN 201820034483 U CN201820034483 U CN 201820034483U CN 207740532 U CN207740532 U CN 207740532U
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- control signal
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000005347 demagnetization Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of intellectual water closet electromagnetism valve seal control circuit, 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 water outlet, sealing and the demagnetization of solenoid valve.Such circuit structure 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 utility model is related to a kind of intellectual water closet circuit structure, more particularly to a kind of electromagnetism valve seal control circuit knot
Structure.
Background technology
After a number of uses, the soft magnetism water stop valve core of normally closed solenoid valve can be because frequently for the water solenoid valve of intellectual water closet
There is remanence phenomenon in keying, 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
The demagnetizing method of element, use has high-temperature heating, vibration, provides reversed external magnetic field etc..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.
Utility model content
The purpose of this utility model is to provide a kind of intellectual water closet electromagnetism valve seal control circuit, can pass through letter
Single transformation, solving the problems, such as can not sealing after solenoid valve is used for a long time.
In order to achieve the above objectives, the solution of the utility model is：
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 water outlet, sealing and the demagnetization of solenoid valve.
Above-mentioned control module uses microcontroller（MCU）.
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, 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 is formed into a loop with the first output end, 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, 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 terminal voltage, 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 the second output
Terminal 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 driving circuit for electromagnetic valve；The control module output first control signal and second control signal, the
One control signal connects the first PMOS tube, the control terminal of the first NMOS tube, and second control signal connects the second PMOS tube, second
The control terminal of NMOS tube；First output end of the junction as signal generator module of first PMOS tube, the first NMOS tube, second
PMOS tube, second output terminal of the junction as signal generator module of the second NMOS tube, two output ends are separately connected electromagnetism
The both ends of valve, the 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 ends, and the first NMOS tube, the conducting of the second PMOS tube, second output terminal are 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 is connected, and 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 ends, and the first NMOS tube, the conducting of the second NMOS tube, the first output end, by forming circuit, define at this time with second output terminal
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 is connected, 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 utility model need not increase electronic component in circuit, need not also be directed to electromagnetism
Valve carries out dedicated design, on the basis of original electronic control circuit and solenoid valve, need to only modify to control circuit board
.On the other hand, this design control circuit and control strategy, solved after solenoid valve is used for a long time can not sealing ask
Topic, and be widely applied in actual product.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model first embodiment；
Fig. 2 is the control signal timing diagram of the utility model first embodiment；
Fig. 3 is the control flow chart of the utility model first embodiment；
Fig. 4 is magnetic induction intensity and erasing time relational graph after demagnetization；
Fig. 5 is the circuit diagram of the utility model second embodiment.
Specific implementation mode
Below with reference to attached drawing, the technical solution of the utility model is described in detail.
The thinking of the utility model is to use direct current demagnetization method, provides the forward current of t1 times for solenoid valve first, then
The reverse current of t2 times is provided for solenoid valve；Wherein, the time of t2 sets as the case may be, can utilize height by experiment
This measures to obtain multigroup magnetic induction intensity, obtains corresponding curved line relation, to be set accordingly to the time.
The utility model provides a kind of intellectual water closet electromagnetism valve seal control circuit, including control module and signal generate
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 generate forward and reverse electric current, to realize the water outlet of solenoid valve, stop
Water and demagnetization.
As shown in Figure 1, being a kind of specific implementation circuit diagram of the utility model, the control module uses 8 microcontrollers,
This microcontroller carries timer function, can generate control signal 1,2；The signal generator module includes solenoid-driven chip
Q1, first resistor R8 and second resistance R10, wherein Q1 has 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 connections control signal 1, and the second control terminal FIN connections control signal 2, control
Signal 1,2 processed is 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 voltages and
Out2 is exported to be 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 voltages and
Out1 is exported to be 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 terminal voltage, which is quickly fallen, 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 voltages are all 0, at this time solenoid valve no power.
In the present embodiment, the sequential relationship of control signal 1,2 as shown in Fig. 2, coordinate shown in Fig. 3, the present embodiment simultaneously
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
It when cutting off the water supply, needs 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.Due to there is bullet inside solenoid valve
Spring controls the water-stagnating effect of water stop valve core, therefore demagnetization need not accomplish harsh complete demagnetization effectiveness, need to only ensure 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 magnetic induction intensity after demagnetization is arranged in 0.4mT to ensure effectively to completely close solenoid valve in the effect for closing solenoid valve.Finally
The remaining capacity that solenoid valve is discharged by controlling driving chip, prevents excessive demagnetization from leading to reversed remanent magnetism.
As shown in figure 5, being the utility model another kind implementing circuit figure, the control module is for generating logic control electricity
Flat, signal 1,2, signal generator module include two PMOS tube Q1, Q4 and two NMOS tubes Q2, Q3 in order to control respectively, and Q1-Q4 connects
Composition driving circuit for electromagnetic valve is connect, 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 voltages and Out2 outputs are 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 voltages and Out1 outputs are 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 voltages, which quickly fall, 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 voltages are equal, and solenoid valve does not have electric current to flow through at this time.
Above example is only to illustrate the technological thought of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within the scope of novel protected.
Claims (4)
1. 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, to realize the water outlet of solenoid valve, sealing and
Demagnetization.
2. a kind of intellectual water closet electromagnetism valve seal control circuit as described in claim 1, it is characterised in that：The control mould
Block uses microcontroller.
3. a kind of intellectual water closet electromagnetism valve seal control circuit as described in claim 1, it is characterised in that：The signal production
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, 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 is formed into a loop with second output terminal, 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 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.
4. a kind of intellectual water closet electromagnetism valve seal control circuit as described in claim 1, it is characterised in that：The signal production
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 conducting of the second NMOS tube, the first output end, by forming circuit, are defined as fast at this time with second output terminal
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820034483.0U CN207740532U (en) | 2018-01-10 | 2018-01-10 | A kind of intellectual water closet electromagnetism valve seal control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820034483.0U CN207740532U (en) | 2018-01-10 | 2018-01-10 | A kind of intellectual water closet electromagnetism valve seal control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207740532U true CN207740532U (en) | 2018-08-17 |
Family
ID=63122402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820034483.0U Expired - Fee Related CN207740532U (en) | 2018-01-10 | 2018-01-10 | A kind of intellectual water closet electromagnetism valve seal control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207740532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019137233A1 (en) * | 2018-01-10 | 2019-07-18 | 李晓琰 | Water stop control method and circuit for solenoid valve of intelligent toilet |
-
2018
- 2018-01-10 CN CN201820034483.0U patent/CN207740532U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019137233A1 (en) * | 2018-01-10 | 2019-07-18 | 李晓琰 | Water stop control method and circuit for solenoid valve of intelligent toilet |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |