CN208606962U - A kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus - Google Patents
A kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus Download PDFInfo
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- CN208606962U CN208606962U CN201821444154.XU CN201821444154U CN208606962U CN 208606962 U CN208606962 U CN 208606962U CN 201821444154 U CN201821444154 U CN 201821444154U CN 208606962 U CN208606962 U CN 208606962U
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Abstract
The utility model discloses a kind of leak water detdctions and warning circuit based on nine layers of filter element water purification apparatus, including master controller, leak water detdction module and alarm module, the master controller is connect with leak module and alarm module respectively, and leak water detdction module includes detection enable end, leak output end, TL555I chip, resistance R1, resistance R3, capacitor C12, first switch device Q1, second switch device Q2 and connector J1；Alarm module includes resistance R4, resistance R5, third switching device Q3, the second diode D2 and buzzer.When the leak water detdction probe of connector J1 connection detects water leakage, by the third pin of TL555I chip by water leakage by leak output end, transmission master controller processing, once detect water leakage, it is alarmed by alarm module, it is simple and practical in structure.
Description
Technical field
The utility model relates to leak water detdction technical fields, and in particular to a kind of leak inspection based on nine layers of filter element water purification apparatus
Survey and warning circuit.
Background technique
In recent years, due to improvement of living standard, people increasingly pay attention to the safety of drinking water, but it is general originally
In water, usually there are bacterium, harmful substance, organic substance and suspended matters etc., generate a degree of influence to health,
So that water purifier (water filter) using more more and more universal.
But there is many joints in the water loop of water purifier, these joints are mostly in the way of welding or being spirally connected etc.
Engagement is easy that the situation of leak occurs because of engagement problems, to cause secondary pollution problems, and waste water resource.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned the shortcomings of the prior art, the purpose of this utility model is that mentioning
For a kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus, alarm will do it when leak occurs in water purifier, tie
Structure is simple and practical.
A kind of technical solution that the utility model is taken are as follows: leak water detdction and alarm electricity based on nine layers of filter element water purification apparatus
Road, including master controller, leak water detdction module and alarm module, the master controller connect with leak module and alarm module respectively
It connects,
The leak water detdction module includes detection enable end, leak output end, TL555I chip, resistance R1, resistance R3, electricity
Hold C12, first switch device Q1, second switch device Q2 and connector J1；The output of the detection enable end and master controller
End connection, the detection enable end connect after also passing through the resistance R1 with the grid of the second switch device Q2, and described the
The source electrode of two switching device Q2 is connect with power supply VCC, the drain electrode of the second switch device Q2 respectively with the first switch device
The collector of part Q1 is connected with the 8th pin of TL555I chip, and the drain electrode of the second switch device Q2 also passes through the resistance
R3 is connect with the 4th pin of TL555I chip, and the base stage of the first switch device Q1 and the third of the TL555I chip are drawn
Foot connection, is connected by the input terminal of the leak output end and master controller, the emitter point of the first switch device Q1
It is not connect with one end of the 7th pin of TL555I chip and connector J1, the other end and the TL555I of the connector J1
The second pin of chip connects, and the 6th pin of the TL555I chip is connect after connecting with second pin by the capacitor C12
Ground, the connector J1 are connect with external leak water detdction probe；
The alarm module includes resistance R4, resistance R5, third switching device Q3, the second diode D2 and buzzer, institute
The output end of one end and master controller for stating resistance R4 connects, the other end of the resistance R4 and the base stage of third switching device Q3
Connection, the third switching device Q3 emitter ground connection, the collector of the third switching device Q3 respectively with buzzer
The anode connection of one end and the second diode D2, the other end of the buzzer cathode and resistance with the second diode D2 respectively
One end of R5 connects, and the other end of the resistance R5 is connect with external power supply.
Preferably, also inverse parallel has first diode D1 between the source electrode and drain electrode of the second switch device Q2；In this way
Setting is convenient for protecting second switch device Q2.
Preferably, resistance R2 is connected between the grid and source electrode of the second switch device Q2；In this way convenient for further
Second switch device Q2 is protected.
Preferably, the collector of the first switch device Q1 is grounded after also passing through a capacitor C13, in this way convenient for power supply
It is filtered, improves the quality of power supply, keep the work of chip relatively reliable and stablize.
Preferably, master controller uses FM3316N chip.
Preferably, the buzzer uses KC-1206.
By adopting the above technical scheme, it has the advantage that
The utility model proposes a kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus, by detection make
The enable signal of energy end input makes the leak water detdction module work, when the leak water detdction probe of connector J1 connection detects
When water leakage, by the third pin of TL555I chip by water leakage by leak output end, transmission master controller is handled,
Once detecting water leakage, alarmed by alarm module, it is simple and practical in structure.
Detailed description of the invention
Fig. 1 is the functional block diagram of the utility model embodiment.
Fig. 2 is the leak water detdction module circuit diagram in the utility model embodiment.
Fig. 3 is the alarm module circuitry figure in the utility model embodiment.
Fig. 4 is the circuit diagram of the master controller in the utility model embodiment.
Specific embodiment
In order to keep the technical problems to be solved in the utility model, technical solution and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail, and the following examples illustrate the utility model, but it is practical new to be not limited to this
The range of type.It should be noted that nine layers of filter element water purification apparatus described in the text refers to Publication No.: nine cores of CN106746145A
Specific structure and connection relationship has been disclosed in water purifier, above-mentioned patent, and details are not described herein.
With reference to shown in Fig. 1,2,3,4, a kind of leak water detdction based on nine layers of filter element water purification apparatus provided by the utility model and
Warning circuit, including master controller, leak water detdction module and alarm module, the master controller respectively with leak module and alarm
Module connection,
The leak water detdction module includes detection enable end, leak output end, TL555I chip, resistance R1, resistance R3, electricity
Hold C12, first switch device Q1, second switch device Q2 and connector J1；The output of the detection enable end and master controller
End connection, the detection enable end connect after also passing through the resistance R1 with the grid of the second switch device Q2, and described the
The source electrode of two switching device Q2 is connect with power supply VCC, the drain electrode of the second switch device Q2 respectively with the first switch device
The collector of part Q1 is connected with the 8th pin of TL555I chip, and the drain electrode of the second switch device Q2 also passes through the resistance
R3 is connect with the 4th pin of TL555I chip, and the base stage of the first switch device Q1 and the third of the TL555I chip are drawn
Foot connection, is connected by the input terminal of the leak output end and master controller, the emitter point of the first switch device Q1
It is not connect with one end of the 7th pin of TL555I chip and connector J1, the other end and the TL555I of the connector J1
The second pin of chip connects, and the 6th pin of the TL555I chip is connect after connecting with second pin by the capacitor C12
Ground, the connector J1 are connect with external leak water detdction probe；
The alarm module includes resistance R4, resistance R5, third switching device Q3, the second diode D2 and buzzer, institute
The output end of one end and master controller for stating resistance R4 connects, the other end of the resistance R4 and the base stage of third switching device Q3
Connection, the third switching device Q3 emitter ground connection, the collector of the third switching device Q3 respectively with buzzer
The anode connection of one end and the second diode D2, the other end of the buzzer cathode and resistance with the second diode D2 respectively
One end of R5 connects, and the other end of the resistance R5 is connect with external power supply.
In Fig. 1, PF1 is the enable signal that the master controller of nine layers of filter element water purification apparatus is sent to detection enable end, and PF0 is leakage
Water output end is sent to the water leakage of nine layers of filter element water purification apparatus.In application, master controller uses FM3316N chip, buzzing is adopted
Use KC-1206.The buzzer of KC-1206 is the passive buzzer of monophonic, and driving method is electromagnetic type.
After nine layers of filter element water purification apparatus power on, each functional module work makes this when master controller exports leak enable signal
Leak water detdction module is in running order, when the leak water detdction probe of connector J1 connection detects water leakage, passes through
Water leakage by leak output end, is sent to master controller processing by the third pin of TL555I chip, and master controller will be believed
Alarm signal is sent to alarm module after number processing, alarm module issues alarm sound, reminds user's water purifier that there are leaks
Phenomenon.It is practical that the utility model has the advantages of simple structure, water purifier one occur drainage alarm module will issue alarm signal into
Row warning, causes the attention of user.
Further, in order to be protected to second switch device Q2, the source electrode of the second switch device Q2 and drain electrode
Between also inverse parallel have first diode D1.
Further, resistance R2 is connected between the grid and source electrode of the second switch device Q2.
Further, in order to guarantee switching device work reliability, the first switch device Q1 use three pole of NPN type
Pipe, the second switch device Q2 use P-channel metal-oxide-semiconductor, and third switching device Q3 uses NPN type triode.
Further, for the ease of being filtered to power supply, improve the quality of power supply, keep the work of chip relatively reliable and
Stablize, the collector of the first switch device Q1 is grounded after also passing through a capacitor C13.
The leak water detdction and warning circuit of the water purifier based on nine layers of filter core of the utility model, it is simple and practical in structure, it is real
Now to the leak water detdction of water purifier, once detecting that leak will issue alarm signal, user is reminded.
Finally, it should be noted that foregoing description is only specific embodiment of the present utility model, but the utility model
Protection scope is not limited thereto, the technical scope that anyone skilled in the art discloses in the utility model
Interior, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.
Claims (6)
1. a kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus, which is characterized in that including master controller, leak
Detection module and alarm module, the master controller are connect with leak module and alarm module respectively,
The leak water detdction module includes detection enable end, leak output end, TL555I chip, resistance R1, resistance R3, capacitor
C12, first switch device Q1, second switch device Q2 and connector J1；The output end of the detection enable end and master controller
Connection, the detection enable end are connect after also passing through the resistance R1 with the grid of the second switch device Q2, and described second
The source electrode of switching device Q2 is connect with power supply VCC, the drain electrode of the second switch device Q2 respectively with the first switch device
The collector of Q1 is connected with the 8th pin of TL555I chip, and the drain electrode of the second switch device Q2 also passes through the resistance R3
It is connect with the 4th pin of TL555I chip, the base stage of the first switch device Q1 and the third pin of the TL555I chip
Connection is connected by the input terminal of the leak output end and master controller, the emitter difference of the first switch device Q1
It is connect with one end of the 7th pin of TL555I chip and connector J1, the other end of the connector J1 and the TL555I core
The second pin of piece connects, and the 6th pin of the TL555I chip is grounded after connecting with second pin by the capacitor C12,
The connector J1 is connect with external leak water detdction probe；
The alarm module includes resistance R4, resistance R5, third switching device Q3, the second diode D2 and buzzer, the electricity
The output end of one end and master controller for hindering R4 connects, and the other end of the resistance R4 and the base stage of third switching device Q3 connect
Connect, the emitter of third switching device Q3 ground connection, the collector of the third switching device Q3 respectively with buzzer one
End and the second diode D2 anode connection, the other end of the buzzer respectively with the cathode and resistance R5 of the second diode D2
One end connection, the other end of the resistance R5 connect with external power supply.
2. the leak water detdction and warning circuit according to claim 1 based on nine layers of filter element water purification apparatus, which is characterized in that institute
Stating also inverse parallel between the source electrode and drain electrode of second switch device Q2 has first diode D1.
3. the leak water detdction and warning circuit according to claim 2 based on nine layers of filter element water purification apparatus, which is characterized in that institute
It states and is connected with resistance R2 between the grid and source electrode of second switch device Q2.
4. the leak water detdction and warning circuit according to claim 3 based on nine layers of filter element water purification apparatus, which is characterized in that institute
State first switch device Q1 collector also pass through a capacitor C13 after be grounded.
5. the leak water detdction and warning circuit according to claim 4 based on nine layers of filter element water purification apparatus, which is characterized in that institute
Master controller is stated using FM3316N chip.
6. the leak water detdction and warning circuit based on nine layers of filter element water purification apparatus described in one of -5 according to claim 1, feature
It is, the buzzer uses KC-1206.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444154.XU CN208606962U (en) | 2018-09-03 | 2018-09-03 | A kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444154.XU CN208606962U (en) | 2018-09-03 | 2018-09-03 | A kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208606962U true CN208606962U (en) | 2019-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821444154.XU Active CN208606962U (en) | 2018-09-03 | 2018-09-03 | A kind of leak water detdction and warning circuit based on nine layers of filter element water purification apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208606962U (en) |
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2018
- 2018-09-03 CN CN201821444154.XU patent/CN208606962U/en active Active
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