CN106522330A - Method and device for automatically washing urinal - Google Patents
Method and device for automatically washing urinal Download PDFInfo
- Publication number
- CN106522330A CN106522330A CN201611108599.6A CN201611108599A CN106522330A CN 106522330 A CN106522330 A CN 106522330A CN 201611108599 A CN201611108599 A CN 201611108599A CN 106522330 A CN106522330 A CN 106522330A
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- China
- Prior art keywords
- chip microcomputer
- circuit
- urinal
- water
- flushing
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
- E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
- E03D5/105—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl touchless, e.g. using sensors
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention relates to a method for automatically washing a urinal. The method comprises the following steps: (1) mounting a TDS (Total Dissolved Solids) probe on a water-accumulating position of the urinal and measuring the conductivity on the water-accumulating position of the urinal; and (2) if the conductivity is increased and is under an increasing state, confirming that the urinal is in use, and meanwhile, making a system do not respond, and if the conductivity is no longer changed, confirming that the urinal is under an after-use state, controlling a water valve by the system to fill water and turning off the water valve when the conductivity is restored to a preset value. A device for automatically washing the urinal comprises a single chip and a TDS measuring circuit, a temperature measuring circuit, a power circuit, a key circuit and a water pump control circuit which are connected with the single chip. The device for automatically washing the urinal can solve the problem of water resource waste caused by easy faulty judgment of the traditional automatic toilet flushing device; the cost of the device for automatically washing the urinal is lower than the cost of the toilet flushing device in the market; and under the effect of the device for automatically washing the urinal, the life of people can be more efficient and convenient and the water resource can be saved.
Description
Technical field
The present invention relates to the method and dress of a kind of method and device for automatically controlling, especially a kind of trough urinal auto-flushing
Put, belong to technical field of automation.
Background technology
The common trough urinal flusher in public place has following two at present：
1st, most widely used in living is infrared induction automatic closet flushing device, and infrared sensing toilet-flushing apparatus are using infrared biography
Sensor is sensed, the device has that reliability is higher, anti-interference is stronger, debugging easy to install the characteristics of, this infrared sensing
Although automatic closet flushing device intelligence degree is higher, it designs complicated, inadequate water saving and relatively costly.Infrared induction is automatic
Toilet-flushing apparatus are also easy to produce erroneous judgement, i.e., in the certain distance, there are objects moving with regard to Automatic closet flushing, and infrared induction can not judge it is someone
When passing through or someone use, nobody using when Automatic closet flushing can to water resource cause waste.
2nd, SCM Based pressure sensitive Automatic closet flushing system overcomes infrared sensing automatic closet flushing device well
The deficiency that someone's process can be judged by accident, has some superiority at aspects such as cost, environmental protection and hommizations；Pressure sensitive Automatic closet flushing system
System also compares water saving, but designs complexity, occasionally has erroneous judgement, relatively costly and installation inconvenience, so applying seldom in life.
Total dissolved solids, abridge TDS, and also known as dissolvability solid amount, units of measurement is mg/litre
(mg/L), it shows in 1 liter of water dissolved with how many milligrams of soluble solids.TDS values are higher, and the dissolved matter contained in representing water is got over
It is many.Total dissolved solidss refer to the total amount of whole solutes in water, including the content of both inorganic matter and organic matter.It is generally available electrical conductivity
Value probably understands the salt in solution, and generally, electrical conductivity is higher, and salt is higher, and TDS is higher.In inorganic matter, except molten
Solution is into outside the composition of ion like, it is also possible to have molecular inorganic matter.Due to organic matter contained in natural water and in point
The inorganic matter of sub- shape can not typically consider, so salt content is called total dissolved solidss also typically.The implication of TDS is herein
Electrical conductivity.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of simple, efficient, convenient, water money is saved
Method and device of the source based on the trough urinal auto-flushing of TDS detection techniques.
For achieving the above object, the technical solution used in the present invention is：A kind of method of trough urinal auto-flushing is concrete to walk
Suddenly it is：
(1) TDS probes are arranged on the water accumulation part of toilet bowl, conductivity measurement is carried out to toilet bowl water accumulation part.
(2) if electrical conductivity increases, and constantly increase, now show that toilet bowl is currently in use central, system does not do sound
Should；When electrical conductivity no longer changes, show toilet bowl so that using finishing, now system control water valve is discharged water, until electrical conductivity
When recovering to setting value, water valve is closed.
Preferably, being additionally provided with temperature sensor in toilet bowl carries out temperature survey, reduces temperature to electricity by temperature-compensating
The impact of conductance.
Preferably, described setting value is 100us/cm.
A kind of device of trough urinal auto-flushing, including single-chip microcomputer and the TDS measuring circuits being connected with single-chip microcomputer, temperature survey
Amount circuit, power circuit, key circuit and water pump control circuit.Power circuit provides electric energy, TDS measuring circuits to other circuits
Measurement toilet bowl product electrical conductivity of water simultaneously transfers data to single-chip microcomputer.When TDS measuring circuits break down or user think need
When to be flushed the toilet, key circuit hand-manipulated come realize bath.Data are simultaneously passed by the temperature measuring circuit temperature catchmented of detection toilet bowl
Give single-chip microcomputer.Water pump control circuit controls the flush operation of toilet bowl.
Preferably, this device also includes the warning circuit being connected with single-chip microcomputer.
Preferably, described single-chip microcomputer is ATS89C52.
Preferably, described TDS measuring circuits include the first probe and the second probe, and two probes are constituted simultaneously with R2, R4
Connection relation, the first probe, the second probe are linked with CH0, GND of ADCO802 chips respectively, the voltage quilt of detecting electrode
ADCO802 is directly measured；The CS of ADCO802 is non-to be connected with single-chip microcomputer P14 mouths, CLK and the connection of single-chip microcomputer P11 mouths, DI and monolithic
The connection of machine P13 mouths, DO and the connection of single-chip microcomputer P13 mouths；The effect of ADCO802 is to be converted to digital letter to analog signal by what is gathered
Number, it is sent to single-chip microcomputer.
Preferably, in the temperature measuring circuit three pins VCC, GND, DQ of temperature sensor respectively with power supply,
Single-chip microcomputer P1.7 mouths connect.In the circuit, the indirect 4.7K Ω pull-up resistors of VCC pin DQ pins, circuit will not be in height
Position operation.Corresponding temperature data is collected by temperature sensor and data signal is converted to, then by corresponding data
Haircut is sent to single-chip microcomputer and processes to obtain temperature value.Electrical conductivity is compensated by the temperature-compensating program of single-chip microcomputer again.
Preferably, described warning circuit is made up of buzzer, triode, resistance etc., buzzer one end ground connection, the other end
Link with the colelctor electrode of triode, the emitter stage of triode connects positive source, the base stage of the termination triode of resistance one, the other end with
Single-chip microcomputer P15 mouths connect；When single-chip microcomputer performs flush operation, when PNP is turned on, buzzer sounds.This circuit is to point out
The process of bath, in actual production, this circuit can remove.
Preferably, water pump one end connection relay normally-closed contact terminal of the water pump control circuit, the connection of water pump one end
Positive source, one end of power cathode are connected with Control access point, two coil terminals of Control and two poles
Pipe is in parallel, and diode cathode section ground connection, negative pole end link the colelctor electrode of triode, base stage and the 10k Ω resistance one of triode
End connection, the 10k resistance other end are connected respectively with single-chip microcomputer P37 mouths and LED negative poles, and LED positive poles connect the one of 100 Ω resistance
End, the other end are connected with positive source and transistor emitter.
The present invention can overcome the easily erroneous judgement of traditional Automatic closet flushing to cause the problem of water resource waste, and its cost is than on market
Toilet-flushing apparatus low cost, the present invention can allow people live more efficient, convenient, saving water resource.
Description of the drawings
Fig. 1 is a kind of workflow diagram of trough urinal auto-flushing method.
Fig. 2 is a kind of structured flowchart of automatic flushing device for urinal.
The circuit diagram of Fig. 3 single-chip minimum systems.
Fig. 4 is the circuit diagram of TDS measuring circuits.
Fig. 5 is the circuit diagram of temperature measuring circuit.
Fig. 6 is the circuit diagram of key circuit.
Fig. 7 is the circuit diagram of warning circuit.
Fig. 8 is the circuit diagram of water pump control circuit.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, it is clear, complete that the technical scheme in the embodiment of the present invention is carried out
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1：A kind of method of trough urinal auto-flushing, concretely comprises the following steps：
1st, in Fig. 1, N represents the condition that is unsatisfactory for, and Y is represented and met condition, and the value of X is 100us/cm.
2nd, TDS detection circuits are made by oneself, TDS probes is positioned on into toilet bowl water accumulation part, conductivity measurement is carried out to toilet bowl water accumulation part.
The collection of conductivity signal is realized by the probe in electrical conductivity measurement circuit, and temperature survey is carried out using temperature sensor,
Impact of the temperature to conductivity measurements is reduced by temperature compensation；Single-chip microcomputer is selected as the control core of system, it is single
Piece machine gathered data is carried out data processing and is responded by data processing.
3rd, at 25 degrees Celsius, general electrical conductivity of water：1-10us/cm, the electrical conductivity of urine:3000-39000us/cm.
The initial conductivity of trough urinal water accumulation part is 10us/cm, and when using trough urinal, the electrical conductivity of trough urinal water accumulation part will occur
Change, rises to ＞ 100us/cm, is finally reached 2000us/cm.Conductivity sensor gathers electrical conductivity not in this process
The disconnected signal for changing, in change procedure, single-chip microcomputer is not responded, detection cycle：0.04 second, numerical value sampling：10 detections take
Mean value, is thought to stablize within fluctuation range 10us/cm as a sampling value, in front and back sampling value contrast twice.Using little
After toilet bowl is finished, the stable conductivity of its ponding.Conductivity sensor gathers the signal that electrical conductivity no longer changes, now single-chip microcomputer
Control electronics water valve opening conduits, until the data recovery of conductivity sensor collection is to electrical conductivity of water Single-chip Controlling electronics
Water valve cuts out pipeline.
A kind of device of trough urinal auto-flushing, carries out programming with Single Chip C Language, is held using single-chip microcomputer stiffened part
Row function.
Design objective：
(1) 0 DEG C -60 DEG C of operating temperature range.
(2) TDS measurement ranges be 0-9999us/cm, measure error ± 2%.
(3) 0 DEG C -99 DEG C of temperature measurement range；Temperature accuracy error is less than 0.1 DEG C.
(4) functional realiey of flushing the toilet is flushed the toilet manually and is automatically flushed the toilet.
As shown in Fig. 2 a kind of device of trough urinal auto-flushing, including single-chip microcomputer and the TDS measurements being connected with single-chip microcomputer
Circuit, temperature measuring circuit, power circuit, key circuit and water pump control circuit.Power circuit provides electric energy to other circuits,
TDS measuring circuits measurement toilet bowl product electrical conductivity of water simultaneously transfers data to single-chip microcomputer.When TDS measuring circuits break down,
Key circuit hand-manipulated come realize bath.The temperature measuring circuit temperature catchmented of detection toilet bowl simultaneously transfers data to monolithic
Machine.Water pump control circuit controls the flush operation of toilet bowl.
As shown in Figure 3：Clock circuit, reset circuit and monolithic etc. constitute single-chip minimum system.
As shown in Figure 4：First probe, the second probe constitute detecting electrode, and constitute parallel relationship with R2, R4, and first visits
Pin, the second probe are linked with CH0, GND of ADCO802 respectively, and the voltage of detecting electrode is directly measured by ADCO802；ADCO802
CS it is non-be connected with single-chip microcomputer P14 mouths, CLK and the connection of single-chip microcomputer P11 mouths, DI and the connection of single-chip microcomputer P13 mouths, DO and single-chip microcomputer
P13 mouths connect；The effect of ADCO802 is to be converted to data signal to analog signal by what is gathered, is sent to single-chip microcomputer.
As shown in Figure 5：Three pins VCC, GND, DQ of temperature sensor DS18B20 respectively with power supply, single-chip microcomputer
P1.7 mouths connect.In the circuit, the indirect 4.7K Ω pull-up resistors of VCC pin DQ pins, circuit will not be in run at high level.
By sensor collection is to corresponding temperature data and is converted to data signal, corresponding data processing is sent to into monolithic then
Machine processes to obtain temperature value.Electrical conductivity is compensated by the temperature-compensating program of single-chip microcomputer again.
As shown in Figure 6：Key circuit is grounded and is connected single-chip microcomputer P3.0 mouths and constitutes by button, has key that low electricity is sent when pressing
Single-chip microcomputer P3.0 mouths are put down, single-chip microcomputer makees bath process after receiving signal.
As shown in Figure 7：Warning circuit is made up of buzzer, triode, resistance etc., buzzer one end ground connection, the other end with
The colelctor electrode link of triode, the emitter stage of triode connect positive source, and resistance one terminates base stage, the other end and the list of triode
Piece machine P15 mouths connect；When single-chip microcomputer performs flush operation, when PNP is turned on, buzzer sounds.This circuit is rushed for prompting
The process of water, in actual production, this circuit can remove.
As shown in Figure 8：Water pump one end connection relay normally-closed contact terminal, water pump one end connection positive source, power supply are born
One end of pole is connected with Control access point, two coil terminals of Control and diodes in parallel, and diode
Positive pole section ground connection, negative pole end link the colelctor electrode of triode, and the base stage of triode is connected with 10k Ω resistance one end, 10k resistance is another
One end is connected respectively with single-chip microcomputer P37 mouths and LED negative poles, and LED positive poles connect one end of 100 Ω resistance, and the other end is with power supply just
Pole and transistor emitter connection.
In work, when not washing by water, the ground level of triode is in high potential, and whole circuit is not made accordingly；In bath, three
The ground level of level pipe is in electronegative potential, triode ON, and LED perseverances are bright, and Control RL1 single-pole double-throw switch (SPDT)s are to normally-closed contact end
Son deviates, and water pump M is powered, and water pump is started working.
Claims (10)
1. a kind of method of trough urinal auto-flushing, concretely comprises the following steps：
(1) TDS probes are arranged on the water accumulation part of toilet bowl, conductivity measurement is carried out to toilet bowl water accumulation part；
(2) if electrical conductivity increases, and constantly increase, now show that toilet bowl is currently in use central, system is not responded；When
When electrical conductivity no longer changes, show toilet bowl with using finishing, now system control water valve is discharged water, until electrical conductivity recover to
During setting value, water valve is closed.
2. a kind of method of trough urinal auto-flushing as claimed in claim 1, it is characterised in that：Temperature is additionally provided with toilet bowl
Sensor carries out temperature survey, reduces impact of the temperature to electrical conductivity by temperature-compensating.
3. a kind of method of trough urinal auto-flushing as claimed in claim 1, it is characterised in that：Described setting value is
100us/cm。
4. a kind of device of trough urinal auto-flushing, it is characterised in that：The TDS measurement electricity being connected including single-chip microcomputer and with single-chip microcomputer
Road, temperature measuring circuit, power circuit, key circuit and water pump control circuit；Power circuit provides electric energy to other circuits,
TDS measuring circuits measurement toilet bowl product electrical conductivity of water simultaneously transfers data to single-chip microcomputer, when TDS measuring circuits break down or make
When user thinks to need to flush the toilet, key circuit hand-manipulated is realizing bath, the temperature measuring circuit detection temperature catchmented of toilet bowl
And single-chip microcomputer is transferred data to, water pump control circuit controls the flush operation of toilet bowl.
5. a kind of device of trough urinal auto-flushing as claimed in claim 4, it is characterised in that：This device also includes and monolithic
The warning circuit of machine connection.
6. a kind of device of trough urinal auto-flushing as claimed in claim 5, it is characterised in that：Described single-chip microcomputer is
ATS89C52。
7. a kind of device of trough urinal auto-flushing as claimed in claim 4, it is characterised in that：Described TDS measuring circuits
Including the first probe and the second probe, and two probes and R2, R4 constitute parallel relationship, the first probe, the second probe respectively with
CH0, GND of ADCO802 chips links, and the voltage of detecting electrode is directly measured by ADCO802；The CS of ADCO802 is non-and monolithic
The connection of machine P14 mouths, CLK and the connection of single-chip microcomputer P11 mouths, DI and the connection of single-chip microcomputer P13 mouths, DO and the connection of single-chip microcomputer P13 mouths；
The effect of ADCO802 is to be converted to data signal to analog signal by what is gathered, is sent to single-chip microcomputer.
8. a kind of device of trough urinal auto-flushing as claimed in claim 4, it is characterised in that：In the temperature measuring circuit
Three pins VCC, GND, DQ of temperature sensor respectively with power supply, single-chip microcomputer P1.7 mouths be connected, in the circuit, VCC draws
The indirect 4.7K Ω pull-up resistors of pin DQ pins, circuit will not be collected by temperature sensor in run at high level accordingly
Temperature data is simultaneously converted to data signal, corresponding data processing is sent to single-chip microcomputer then and is processed to obtain temperature value, then
Electrical conductivity is compensated by the temperature-compensating program of single-chip microcomputer.
9. a kind of device of trough urinal auto-flushing as claimed in claim 5, it is characterised in that：Described warning circuit is by honeybee
Ring device, triode, resistance are constituted, and buzzer one end ground connection, the other end are linked with the colelctor electrode of triode, the emitter stage of triode
Positive source is connect, resistance one terminates base stage, the other end and the connection of single-chip microcomputer P15 mouths of triode；When single-chip microcomputer performs bath behaviour
When making, PNP conductings, buzzer sound.
10. a kind of device of trough urinal auto-flushing as claimed in claim 4, it is characterised in that：The water pump control circuit
Water pump one end connection relay normally-closed contact terminal, water pump one end connection positive source, one end of power cathode and relay
Control access point connection, two coil terminals of Control and diodes in parallel, and diode cathode section ground connection, negative pole end
The colelctor electrode of link triode, the base stage of triode is connected with 10k Ω resistance one end, the 10k resistance other end and single-chip microcomputer P37 mouths
Connect with LED negative poles respectively, LED positive poles connect one end of 100 Ω resistance, the other end is connected with positive source and transistor emitter
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108599.6A CN106522330A (en) | 2016-12-07 | 2016-12-07 | Method and device for automatically washing urinal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108599.6A CN106522330A (en) | 2016-12-07 | 2016-12-07 | Method and device for automatically washing urinal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522330A true CN106522330A (en) | 2017-03-22 |
Family
ID=58342548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611108599.6A Pending CN106522330A (en) | 2016-12-07 | 2016-12-07 | Method and device for automatically washing urinal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522330A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213963A (en) * | 2020-09-14 | 2021-01-12 | 厦门一点智能科技有限公司 | Control method and system for automatic flushing of closestool and intelligent closestool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234578A (en) * | 2000-02-21 | 2001-08-31 | Toto Ltd | Toilet stool washing system |
| BRPI0603314A (en) * | 2006-07-13 | 2008-02-26 | Rubens Alves De Matos | intelligent automatic electrical conductivity flushing system for urinals and toilets |
| CN101408037A (en) * | 2008-11-24 | 2009-04-15 | 上海科勒电子科技有限公司 | Conductive sensor and urinal equipped with conductive sensor |
| CN101769006A (en) * | 2008-10-10 | 2010-07-07 | 上海科勒电子科技有限公司 | Concealed induction device and urinal equipped therewith |
| CN204608924U (en) * | 2015-05-15 | 2015-09-02 | 程棁 | A kind of automatic closet flushing device |
-
2016
- 2016-12-07 CN CN201611108599.6A patent/CN106522330A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234578A (en) * | 2000-02-21 | 2001-08-31 | Toto Ltd | Toilet stool washing system |
| BRPI0603314A (en) * | 2006-07-13 | 2008-02-26 | Rubens Alves De Matos | intelligent automatic electrical conductivity flushing system for urinals and toilets |
| CN101769006A (en) * | 2008-10-10 | 2010-07-07 | 上海科勒电子科技有限公司 | Concealed induction device and urinal equipped therewith |
| CN101408037A (en) * | 2008-11-24 | 2009-04-15 | 上海科勒电子科技有限公司 | Conductive sensor and urinal equipped with conductive sensor |
| CN204608924U (en) * | 2015-05-15 | 2015-09-02 | 程棁 | A kind of automatic closet flushing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213963A (en) * | 2020-09-14 | 2021-01-12 | 厦门一点智能科技有限公司 | Control method and system for automatic flushing of closestool and intelligent closestool |
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Application publication date: 20170322 |