CN204417226U - A kind of water purifier pilot circuit - Google Patents
A kind of water purifier pilot circuit Download PDFInfo
- Publication number
- CN204417226U CN204417226U CN201420772261.0U CN201420772261U CN204417226U CN 204417226 U CN204417226 U CN 204417226U CN 201420772261 U CN201420772261 U CN 201420772261U CN 204417226 U CN204417226 U CN 204417226U
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- China
- Prior art keywords
- circuit
- chip
- micro
- driving
- sterilizing unit
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Abstract
The utility model discloses a kind of water purifier pilot circuit, comprises micro-chip, driving circuit for electromagnetic valve and sterilization driving and testing circuit; Micro-chip is connected with magnetic valve by driving circuit for electromagnetic valve, and magnetic valve is arranged on the corresponding water route of filter case; Micro-chip is also connected with sterilizing unit with testing circuit by sterilization driving, and sterilizing unit is arranged on and arranges in the housing of filter core, and whether micro-chip is according to having flow cavitation result sterilization driving and testing circuit to drive sterilizing unit to open and close.The utility model solves sterilizing unit and automatically opens and timely closing problem according to streamflow regime, thus save energy.
Description
Technical field
The utility model relates to water purifier technical field, refers in particular to a kind of water purifier pilot circuit.
Background technology
Water purifier effectively can remove chlorine in water, heavy metal, bacterium, virus, algae, suspended solid and various organism, and make the limpid cleaning of the water after process, aseptic, mouthfeel is better, and water purifier has been widely used in daily life.
Existing water purifier sterilizing unit is always in running order, cannot automatically open according to streamflow regime and close in time, cause energy consumption, and makes sterilizing unit shortening in work-ing life.Meanwhile, existing water purifier cannot be cut off the water supply after meeting water leakage situation automatically, easily causes home amenity to soak and loses.
In view of this, the present inventor furthers investigate existing water purifier, and develop a kind of water purifier pilot circuit overcoming described defect, this case produces thus.
Summary of the invention
The purpose of this utility model is to provide a kind of water purifier pilot circuit, solves sterilizing unit and automatically opens and timely closing problem according to streamflow regime, thus save energy.
For reaching above-mentioned purpose, solution of the present utility model is:
A kind of water purifier pilot circuit, comprises micro-chip, driving circuit for electromagnetic valve and sterilization driving and testing circuit; Micro-chip is connected with magnetic valve by driving circuit for electromagnetic valve, and magnetic valve is arranged on the corresponding water route of filter case; Micro-chip is also connected with sterilizing unit with testing circuit by sterilization driving, and sterilizing unit is arranged on and arranges in the housing of filter core, and whether micro-chip is according to having flow cavitation result sterilization driving and testing circuit to drive sterilizing unit to open and close.
Further, sterilizing unit is UV-lamp.
Further, sterilization driving and testing circuit comprise P-MOS driving circuit, barretter, current transformer and signal conditioning circuit; P-MOS driving circuit input terminus connects micro-chip, and export termination barretter, ballast output end connects UV-lamp, between barretter and UV-lamp, install current transformer, and current transformer exports termination signal conditioning circuit, and signal conditioning circuit connects micro-chip.
Further, also comprise leak water detdction circuit, leak water detdction circuit is installed on the housing bottom arranging filter core, is connected with micro-chip, and when leaking, leak water detdction circuit turn-on, micro-chip cuts out by driving circuit for electromagnetic valve Controlling solenoid valve.
After adopting such scheme, whether the utility model micro-chip is according to having flow cavitation result sterilization driving and testing circuit to drive sterilizing unit to open and close, sterilizing unit is worked under the state having current process, and close under the state of non-water flow process, current whether are had to pass through by magnetic valve by driving circuit for electromagnetic valve to micro-chip current make-and-break signal, sterilizing unit is automatically opened according to streamflow regime and is closed in time, effectively utilizes, thus save energy.
Meanwhile, the utility model also arranges leak water detdction circuit, and when leaking, leak water detdction circuit turn-on, micro-chip cuts out by driving circuit for electromagnetic valve Controlling solenoid valve, automatically cuts off the water supply under making water purifier meet water leakage situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model water purifier;
Fig. 2 is schematic circuit diagram of the present utility model;
Fig. 3 is sterilization driving of the present utility model and testing circuit figure;
Fig. 4 is driving circuit for electromagnetic valve figure of the present utility model;
Fig. 5 is leak water detdction schematic circuit of the present utility model.
Label declaration
Micro-chip 1 host scm 11
Auxiliary micro-chip 12 card reader 13
Driving circuit for electromagnetic valve 2 magnetic valve 21
Sterilization driving and testing circuit 3 sterilizing unit 31
P-MOS driving circuit 32 barretter 33
Current transformer 34 signal conditioning circuit 35
Filter core 4 radio-frequency card 41
Real time clock circuit 5 leak water detdction circuit 6
Flow valve pulse acquisition circuit 7 flow valve 71.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in detail.
Consult shown in Fig. 1 to Fig. 5, a kind of water purifier pilot circuit that the utility model discloses, comprise micro-chip 1, driving circuit for electromagnetic valve 2 and sterilization driving and testing circuit 3.
In the present embodiment, as shown in Figure 2, micro-chip 1 is made up of host scm 11 and auxiliary micro-chip 12, and host scm 11 can use STC12C5A16S2 micro-chip, enhancement type 51 micro-chip, and auxiliary micro-chip 12 can use STC15F60XE, enhancement type 51 micro-chip.Host scm 11 is connected with auxiliary micro-chip 12, and auxiliary micro-chip 12 is connected with card reader 13, and host scm 11 is connected with testing circuit 3 with driving circuit for electromagnetic valve 2, sterilization driving.
Micro-chip 1 is connected with magnetic valve 21 by driving circuit for electromagnetic valve 2, and magnetic valve 21 is arranged on the corresponding water route of filter core 4 shell.As shown in Figure 4, the service voltage of magnetic valve 21 is generally 24V to driving circuit for electromagnetic valve 2, and host scm 11IO mouth voltage is 5V, and the drive current of magnetic valve 21, up to 200mA, therefore cannot use the I/O port Direct driver magnetic valve 21 of host scm 11.Therefore, driving circuit for electromagnetic valve 2 adopts triode to drive, and adopts two-stage to amplify.Host scm 11IO message number out carries out first step amplification by Q6 afterwards, then carries out second stage amplification by Q7, makes driving circuit be enough to drive magnetic valve 21 to carry out work.Adopt inverse electromotive force when D15 diode and the coil start-stop of C7 capacitive absorption magnetic valve 21, protection triode Q7 is without prejudice simultaneously.
In the present embodiment, filter core 4 encapsulates radio-frequency card 41, and radio-frequency card 41 stores the filter core date of production and Expiration Date.Host scm 11 is connected with real time clock circuit 5, and auxiliary micro-chip 12 is connected with card reader 13, card reader 13 and radio-frequency card 41 are electrically connected, read filter core 4 date of production and Expiration Date, make comparisons with real time clock circuit 5, exceed then prompting changing filter core 4 working lipe, can more renew cartridge 4 in time, guarantee drinking water safety, guarantee drinking water quality.
Micro-chip 1 is also connected with sterilizing unit 31 with testing circuit 3 by sterilization driving, sterilizing unit 31 is arranged in the housing arranging filter core 4, whether micro-chip 1 is according to having flow cavitation result sterilization driving and testing circuit 3 to drive sterilizing unit 31 to open and close, current whether are had to pass through by magnetic valve 21 by driving circuit for electromagnetic valve 2 to micro-chip 1 current make-and-break signal, sterilizing unit 31 is worked under the state having current process, and close under the state of non-water flow process, sterilizing unit is automatically opened according to streamflow regime and is closed in time, effective utilization, thus save energy.
In the present embodiment, sterilizing unit 31 is UV-lamp, as figure sterilization driving and testing circuit 3 comprise P-MOS driving circuit 32, barretter 33, current transformer 34 and signal conditioning circuit 35; P-MOS driving circuit 32 input terminus connects micro-chip 1, export termination barretter 33, barretter 33 exports termination UV-lamp 31, installs current transformer 34 between barretter 33 and UV-lamp 31, current transformer 34 exports termination signal conditioning circuit 35, and signal conditioning circuit 35 connects micro-chip.
The driving of UV-lamp 31 needs to use barretter 33 just can light, and host scm 11 powers to barretter 33 by I/O port control P-MOS driving circuit 32, thus controls the light on and off of UV-lamp 31.Simultaneously, the input link of UV-lamp 31 is connected to a current transformer 34, the working current of UV-lamp 31 is fed back to signal conditioning circuit 35, thus obtains the working condition of UV-lamp 31, also the exception of UV-lamp 31 can be judged, as light fixture open circuit breakage and light fixture do not connect.Judging by detecting, the instruction of UV-lamp 31 working order can be carried out on micro-chip 1, and carry out when UV-lamp 31 exception reporting to the police (can by buzzer warning).
The present embodiment also comprises leak water detdction circuit 6, leak water detdction circuit 6 is installed on the housing bottom arranging filter core 4, be connected with micro-chip 1, when leaking, leak water detdction circuit 6 conducting, micro-chip 1 cuts out by driving circuit for electromagnetic valve 2 Controlling solenoid valve 21, automatically cuts off the water supply under making water purifier meet water leakage situation.Leak water detdction circuit 6 as shown in Figure 5, utilizes the characteristic of the weak conductor of water, and use a leak water detdction probe to be placed on the housing bottom of filter core 4, when ponding is arranged at bottom, probe the two poles of the earth are connected, and leak water detdction circuit 6 just can detect and leak.
In the present embodiment, also be provided with flow valve pulse acquisition circuit 7, this flow valve pulse acquisition circuit 7 is connected with micro-chip 1, and micro-chip 1 is connected with the flow valve 71 on the water route being arranged on magnetic valve 21 rear end by flow valve pulse acquisition circuit 7, Real-Time Monitoring discharge.Flow valve 71 can be Hall element, when there being current to pass through, its signal wire exports a low level pulse, the signal wire of flow valve 71 is connected to external interrupt 0 pin (P3.2) of host scm 11, external interrupt 0 is set to negative edge triggered interrupts, in interrupt service routine, obtain number of pulses, number of pulses is carried out conversion according to the parameter of flow valve 71 again and is obtained real data on flows.
The foregoing is only an embodiment of the present utility model, not to the restriction of this case design, all equivalent variations done according to the design key of this case, all fall into the protection domain of this case.
Claims (4)
1. a water purifier pilot circuit, is characterized in that: comprise micro-chip, driving circuit for electromagnetic valve and sterilization driving and testing circuit; Micro-chip is connected with magnetic valve by driving circuit for electromagnetic valve, and magnetic valve is arranged on the corresponding water route of filter case; Micro-chip is also connected with sterilizing unit with testing circuit by sterilization driving, and sterilizing unit is arranged on and arranges in the housing of filter core, and whether micro-chip is according to having flow cavitation result sterilization driving and testing circuit to drive sterilizing unit to open and close.
2. a kind of water purifier pilot circuit as claimed in claim 1, is characterized in that: sterilizing unit is UV-lamp.
3. a kind of water purifier pilot circuit as claimed in claim 2, is characterized in that: sterilization driving and testing circuit comprise P-MOS driving circuit, barretter, current transformer and signal conditioning circuit; P-MOS driving circuit input terminus connects micro-chip, and export termination barretter, ballast output end connects UV-lamp, between barretter and UV-lamp, install current transformer, and current transformer exports termination signal conditioning circuit, and signal conditioning circuit connects micro-chip.
4. a kind of water purifier pilot circuit as claimed in claim 1, it is characterized in that: also comprise leak water detdction circuit, leak water detdction circuit is installed on the housing bottom arranging filter core, be connected with micro-chip, when leaking, leak water detdction circuit turn-on, micro-chip cuts out by driving circuit for electromagnetic valve Controlling solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772261.0U CN204417226U (en) | 2014-12-10 | 2014-12-10 | A kind of water purifier pilot circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420772261.0U CN204417226U (en) | 2014-12-10 | 2014-12-10 | A kind of water purifier pilot circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204417226U true CN204417226U (en) | 2015-06-24 |
Family
ID=53467613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420772261.0U Expired - Fee Related CN204417226U (en) | 2014-12-10 | 2014-12-10 | A kind of water purifier pilot circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204417226U (en) |
-
2014
- 2014-12-10 CN CN201420772261.0U patent/CN204417226U/en not_active Expired - Fee Related
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Legal Events
| 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: 20150624 Termination date: 20181210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |