CN1614165A - Method and structure of toilet for sorting urea and shit automatically by infrared sensing technology - Google Patents
Method and structure of toilet for sorting urea and shit automatically by infrared sensing technology Download PDFInfo
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- CN1614165A CN1614165A CN 200410094599 CN200410094599A CN1614165A CN 1614165 A CN1614165 A CN 1614165A CN 200410094599 CN200410094599 CN 200410094599 CN 200410094599 A CN200410094599 A CN 200410094599A CN 1614165 A CN1614165 A CN 1614165A
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- excrements
- pyroelectric sensing
- shit
- water closet
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- Sanitary Device For Flush Toilet (AREA)
Abstract
A method and structure based on pyroelectric induction technique for water toilet to automatically distinguish stool from urination is disclosed. It is composed of pyroelectric induction transmitter and receiver, and 8-bit single-chip microprocessor. According to the time when the human body is pyroelectrically induced, the single-chip microprocess can distinguish the stool from urination by comparing the induction time with the predefined time threshold. The negative ion disinfector of the water toilet can also be controlled.
Description
Technical field the invention belongs to the application of singlechip technology in the sanitary equipment automation field.
Before background technology the invention applying date, known water closet relies on two buttons of size to distinguish excrements and supplies water, making troubles to the user also can't be according to changing the excrements crash time with the lavatory custom, the automatic disinfecting time of the adjusting when water closet of band chlorination equipment can not be distinguished excrements.
Summary of the invention the invention is intended to overcome the defective of prior art, provides a kind of pyroelectric sensing technology realization water closet to discern the method and the structure of excrements automatically.By definite crash time of distinguishing excrements of the identification of flag bit, when flag bit 00, be equivalent to and do not establish flag bit.Single-chip microcomputer is distinguished excrements by 6 liters of stool baths-3 liters of automatic water-supplies of urine bath according to the adjustable excrements crash time.Determine the disinfecting time of anion simultaneously according to the adjustable crash time.
The invention solves the technical scheme that its technical problem adopts: comprise pyroelectric sensing transmitting and receiving device, 8-bit microcontroller, the single-chip processor i/o input is connected with the output of pyroelectric sensing transmitting and receiving device, single-chip microcomputer is discerned excrements automatically according to the length of human body pyroelectricity sensitive time, by the crash time of SCM program and flag bit distinguished excrements, determine the different disinfecting time of negative ion generator simultaneously by the identification of excrements.The separation of determining excrements is a time constant, determines that by the ground connection of two bit flag positions and unsettled 4 kinds of combinations 00,01,10,11 separation of stool urine is 1 minute, 1.5 minutes, 2 minutes, 3 minutes; When flag bit is 00, is equivalent to and does not establish flag bit.Pyroelectricity pyroelectric sensing device is made up of probe, Fresnel lens, operational amplifier, voltage comparator, and its output is connected with one-chip machine port I/O (1), and the interval length of its secondary sensitive time is as the foundation of distinguishing excrements.Single chip machine controlling circuit can be provided with separately, also can with the one-chip machine common in the water closet control circuit, realize resource-sharing.
The beneficial effect of the invention is: the invention has overcome single grade of formula water closet waste water resource and the undistinguishable defective of anion disinfecting time that can not discern excrements automatically, provide a kind of and realize that by the pyroelectric sensing technology water closet discerns the method and structure of excrements automatically, be widely used in two grades of formula saving toilets and have the water closet of anion sterilizing function.
Description of drawings is described further the invention below in conjunction with drawings and Examples.
Fig. 1 is the electrical schematic diagram of the invention.PIC16C54 is a 8-bit microcontroller among the figure, K
1, K
2Be the flag bit switch, BH is probe, and S is an output, and F is a Fresnel lens, VT
1, VT
2Be switching tube, IC
2Be operational amplifier, IC
3Be voltage comparator.
The specific embodiment is referring to Fig. 1.Single-chip microcomputer adopts the 8-bit microcontroller of U.S. MICROCHIP company in Fig. 1 embodiment, also can adopt the 8-bit microcontroller of other models.The human-induced signal is by the S end output of probe B H, through Fresnel lens F and triode VT
1, operational amplifier IC
2Send voltage comparator ic after secondary amplification, the filtering
3Input 3 is compared with the reference voltage of input 2, and when human body sensing, 2 terminal voltages are less than 3 terminal voltages, comparator IC
3Output 6 output high level, then switching tube VT
2Conducting, and to single-chip microcomputer output useful signal, output 6 output low levels when no human body is responded to, switching tube VT
2End.Pyroelectric sensing transmitting and receiving device output is connected with single-chip processor i/o input I/O (1), and the present embodiment low level is a useful signal.Flag bit is by two toggle switch K
1, K
2Form, be connected with one-chip machine port I/O (2), I/O (3), its ground connection (I/O=1) promptly 00,01,10,11 can be provided with the separation time constant of distinguishing excrements with the various combination of unsettled (I/O=0).Present embodiment was respectively 3 minutes, 2 minutes, 1.5 minutes, 1 minute, also can be according to setting separately with the lavatory custom.Single-chip microcomputer is distinguished excrements, is also supplied water or auto-flushing by the excrements momentum of setting according to the time of human body pyroelectricity induction and the time constant of setting.The single-chip microcomputer internal memory is provided with anion disinfecting time table, according to the pyroelectric sensing time, determines the anion disinfecting time.
Claims (4)
1, a kind of pyroelectric sensing technology realizes automatic separating shit and urine method of water closet and structure, comprise pyroelectric sensing transmitting and receiving device, 8-bit microcontroller, it is characterized in that the single-chip processor i/o input is connected with the output of pyroelectric sensing transmitting and receiving device, single-chip microcomputer is discerned excrements automatically according to the length of human body pyroelectricity sensitive time, by the crash time of SCM program and flag bit distinguished excrements, determine the different disinfecting time of negative ion generator simultaneously by the identification of excrements.
2, pyroelectric sensing technology according to claim 1 realizes automatic separating shit and urine method of water closet and structure, it is characterized in that determining that the separation of excrements is a time constant, determine that by the ground connection of two bit flag positions and unsettled 4 kinds of combinations 00,01,10,11 separation of stool urine is 1 minute, 1.5 minutes, 2 minutes, 3 minutes; When flag bit is 00, is equivalent to and does not establish flag bit.
3, pyroelectric sensing technology according to claim 1 realizes automatic separating shit and urine method of water closet and structure, it is characterized in that pyroelectricity pyroelectric sensing device is made up of probe, Fresnel lens, operational amplifier, voltage comparator, its output is connected with one-chip machine port I/O (1), and the interval length of its secondary sensitive time is as the foundation of distinguishing excrements.
4, pyroelectric sensing technology according to claim 1 realizes automatic separating shit and urine method of water closet and structure, it is characterized in that single chip machine controlling circuit can be provided with separately, also can with the one-chip machine common in the water closet control circuit, realize resource-sharing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410094599 CN1614165A (en) | 2004-11-18 | 2004-11-18 | Method and structure of toilet for sorting urea and shit automatically by infrared sensing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410094599 CN1614165A (en) | 2004-11-18 | 2004-11-18 | Method and structure of toilet for sorting urea and shit automatically by infrared sensing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1614165A true CN1614165A (en) | 2005-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410094599 Pending CN1614165A (en) | 2004-11-18 | 2004-11-18 | Method and structure of toilet for sorting urea and shit automatically by infrared sensing technology |
Country Status (1)
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|---|---|
| CN (1) | CN1614165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501930A (en) * | 2019-01-31 | 2020-08-07 | 厦门科牧智能技术有限公司 | Defecation identification method, toilet flushing control device and toilet |
-
2004
- 2004-11-18 CN CN 200410094599 patent/CN1614165A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501930A (en) * | 2019-01-31 | 2020-08-07 | 厦门科牧智能技术有限公司 | Defecation identification method, toilet flushing control device and toilet |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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