CN204374443U - A kind of Asiatic water closet pan auto-flushing controls sensing device - Google Patents
A kind of Asiatic water closet pan auto-flushing controls sensing device Download PDFInfo
- Publication number
- CN204374443U CN204374443U CN201520035613.9U CN201520035613U CN204374443U CN 204374443 U CN204374443 U CN 204374443U CN 201520035613 U CN201520035613 U CN 201520035613U CN 204374443 U CN204374443 U CN 204374443U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- sheet metal
- diode
- auxiliary capacitor
- water closet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a kind of Asiatic water closet pan auto-flushing and control sensing device.Its first sheet metal and the second sheet metal form the first electric capacity, and the 3rd sheet metal the 4th sheet metal forms the second electric capacity; One end of power supply is connected with the first sheet metal, the 4th electric capacity and the 4th electric capacity auxiliary capacitor, and the other end is connected with the 4th sheet metal, the 3rd electric capacity and the 3rd electric capacity auxiliary capacitor; Second sheet metal the respectively with three electric capacity, the 3rd electric capacity auxiliary capacitor are connected with the positive pole of the first diode, and the 3rd sheet metal the respectively with four electric capacity, the 4th electric capacity auxiliary capacitor, the positive pole of the second diode and the negative pole of the 5th electric capacity are connected; The negative pole of the first diode is connected with the positive pole of resistance and the 5th electric capacity respectively; Resistance is connected with the negative pole of the second diode; The utility model utilizes the existence of human body whether to produce different impedances to alternating current, thus realizes detecting whether someone exists, and then controls bath.Form circuit of the present utility model not by environmental impacts such as dusts, there is the advantage of reliable operation.
Description
Technical field
The utility model relates to a kind of sensing device, particularly relates to a kind of Asiatic water closet pan auto-flushing and controls sensing device, belong to a kind of electronic control circuit technical field.
Background technology
Asiatic water closet pan at present in public lavatory, also seldom has automatic flushing device.This is mainly because the more difficult realization of context of detection, and the urinal in men's lavatory can adopt infrared ray as the instrument detected easily, realize the auto-flushing of urinal.But infrared ray is easily by the stop of dust, and the surface of infrared ray sensor will often be cleaned, otherwise circuit working can be made not normal due to gathering of infrared sensor surface dirt.Therefore await developing the different detection mode of a kind of employing, simultaneously for urinal and Asiatic water closet pan, the sensing detection device of the dependable performance of auto-flushing can be achieved.
Utility model content
The purpose of this utility model is to provide a kind of working stability, and the Asiatic water closet pan auto-flushing be not easily disturbed controls sensing device.
The utility model utilizes human body to increase this feature of electric capacity between sheet metal, construct a kind of can human body exist testing circuit, this circuit has working stability, the feature be not easily disturbed.
The utility model object is achieved through the following technical solutions:
A kind of Asiatic water closet pan auto-flushing controls sensing device, comprises the first electric capacity, the second electric capacity, the 3rd electric capacity, the 3rd electric capacity auxiliary capacitor, the 4th electric capacity, the 4th electric capacity auxiliary capacitor, resistance, the first diode, the second diode; First sheet metal and the second sheet metal form the first electric capacity, and the 3rd sheet metal the 4th sheet metal forms the second electric capacity; One end of power supply is connected with the first sheet metal, the 4th electric capacity and the 4th electric capacity auxiliary capacitor, and the other end is connected with the 4th sheet metal, the 3rd electric capacity and the 3rd electric capacity auxiliary capacitor; Second sheet metal the respectively with three electric capacity, the 3rd electric capacity auxiliary capacitor are connected with the positive pole of the first diode, and the 3rd sheet metal the respectively with four electric capacity, the 4th electric capacity auxiliary capacitor, the positive pole of the second diode and the negative pole of the 5th electric capacity are connected; The negative pole of the first diode is connected with the positive pole of resistance and the 5th electric capacity respectively; Resistance is connected with the negative pole of the second diode;
First sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal are positioned over the position that Asiatic water closet pan people from both sides pin is trampled respectively, are embedded under people's pin tramples top layer; The capacitance sum of the capacitance of the first electric capacity, the capacitance of the second electric capacity, the 3rd electric capacity and the 3rd electric capacity auxiliary capacitor is equal with the capacitance sum of the 4th electric capacity and the 4th electric capacity auxiliary capacitor, and the 5th electric capacity is filter capacitor.
Preferably, described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal select the thickness of wide 25 millimeters long 250 millimeters be 0.1 ?the sheet metal of 1 millimeter.
Preferably, described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal be embedded in people's pin to trample under top layer 5 ?10 millimeters.
Preferably, described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal surface and be connected Points And lines all with insulation course.
Preferably, the electric capacity of described 3rd electric capacity and the 4th electric capacity be 100PF ?1000PF.
Preferably, the resistance value of described resistance select 20K Ω ?100K Ω.
Preferably, described first diode is common commutation diode, and the second diode is 5.1V voltage stabilizing diode.
Preferably, the capacitance of described 5th electric capacity be 10UF ?200UF
Relative to prior art, the utility model tool has the following advantages:
1) the utility model utilizes the change of the two panels inter-metal medium of composition first electric capacity and the second electric capacity, the size of electric capacity between obvious change sheet metal, and the change of electric capacity is concerning the change that can cause capacitive reactance in circuit alternating current, electric capacity is larger then less to the capacitive reactance of alternating current, otherwise it is then larger, utilize the existence of human body whether to produce different impedances to alternating current, thus realize detecting whether someone exists, and then control bath.The major components forming the utility model device is capacitor, and coordinates resistance and diode to form stable control circuit, and this circuit by environmental impacts such as dusts, does not have the advantage of reliable operation.
2) what the utility model sensing device adopted is the original papers such as resistance, electric capacity, sheet metal and diode with low cost, and auto-flushing control circuit is with low cost.
3) the utility model sensing device the first electric capacity and the second electric capacity is whole is enclosed under ceramic tile or cement, not exposing aerial part can not have any impact to outward appearance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that Asiatic water closet pan auto-flushing controls sensing device.
Fig. 2 is the schematic diagram of Fig. 1 sensing device.
Fig. 3 is the placement location figure of sheet metal.
Embodiment
For understanding the utility model better, below in conjunction with accompanying drawing, the utility model is further described, but embodiment of the present utility model is not limit so.
As shown in Figure 1, a kind of Asiatic water closet pan auto-flushing control sensing device comprises the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 3rd electric capacity auxiliary capacitor C31, the 4th electric capacity C4, the 4th electric capacity auxiliary capacitor C41, resistance R1, the first diode D1, the second diode D2; First sheet metal 11 and the second sheet metal 12 form the first electric capacity C1, and the 3rd sheet metal 21 the 4th sheet metal 22 forms the second electric capacity C2; One end of power supply AC is connected with the first sheet metal 11, the 4th electric capacity C4 and the 4th electric capacity auxiliary capacitor C41, the other end is connected with the 4th sheet metal 22, the 3rd electric capacity C3 and the 3rd electric capacity auxiliary capacitor C31, second sheet metal 12 the respectively with three electric capacity C3, the 3rd electric capacity auxiliary capacitor C31 are connected with the positive pole of the first diode D1, and the 3rd sheet metal 21 the respectively with four electric capacity C4, the 4th electric capacity auxiliary capacitor C41, the positive pole of the second diode D2 and the negative pole of the 5th electric capacity C5 are connected; The negative pole of the first diode D1 is connected with the positive pole of resistance R1 and the 5th electric capacity C5 respectively; Resistance R1 is connected with the negative pole of the second diode D2; First electric capacity C1 and the second electric capacity C2 is sheet metal sensor, and two sensors is jointly as the sensor of human detection.First sheet metal 11 and the second sheet metal 12 and the 3rd sheet metal 21 and the 4th sheet metal 22 are positioned over the position (shown in Fig. 3) that Asiatic water closet pan people from both sides pin is trampled respectively, are embedded under people's pin tramples top layer, be preferably placed at people's pin to trample under top layer 5 ?10 millimeters; According to the capacitance of electric capacity, the capacitance of the first electric capacity C1, the capacitance of the second electric capacity C2, the 3rd electric capacity C3 and the 3rd electric capacity auxiliary capacitor C31 capacitance sum are equal with the capacitance sum of the 4th electric capacity C4 and the 4th electric capacity auxiliary capacitor C41, i.e. C1=C2=C3+C31=C4+C41; 5th electric capacity C5 is filter capacitor.
During application, power supply AC preferred 12V 50 hz AC voltage; Being connected with the second diode D2 with resistance R1 respectively of single-chip microcomputer; First sheet metal 11 and the second sheet metal 12 and the 3rd sheet metal 21 and the 4th sheet metal 22 preferably select the thickness of wide 25 millimeters long 250 millimeters to be the sheet metal of 0.1 ?1 millimeter, preferably the first sheet metal 11 and the second sheet metal 12 and the 3rd sheet metal 21 and the 4th sheet metal 22 surface and be connected Points And lines all with insulation course.The preferred 100PF of electric capacity of the 3rd electric capacity C3 and the 4th electric capacity C4 ?1000PF; The resistance value of resistance R1 select 20K Ω ?100K Ω, the first diode D1 is common commutation diode, and the second diode D2 is 5.1V voltage stabilizing diode, the capacitance of the 5th electric capacity C5 be 10UF ?200UF.Single-chip microcomputer preferably adopts 8031 single-chip microcomputers, also can adopt the single-chip microcomputer of any other model.First sheet metal 11 and the second sheet metal 12 are positioned over the position that Asiatic water closet pan people from both sides pin is trampled respectively, when the riding between two sheet metals of people, be equivalent to the original air as capacitor dielectric to be turned into water, the Large Copacity now between sheet metal will increase considerably.
First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 3rd electric capacity auxiliary capacitor C31 the 4th electric capacity C4 and the 4th electric capacity auxiliary capacitor C41 form electric capacity bridge circuit.First electric capacity C1, the 3rd electric capacity C3 and the 3rd electric capacity auxiliary capacitor C31 form an arm of electric bridge, and the 4th electric capacity C4, the 4th electric capacity auxiliary capacitor C41 and the second electric capacity C2 form another arm of electric bridge.3rd electric capacity auxiliary capacitor C31 and the 4th electric capacity auxiliary capacitor C41 is respectively the trimmer of the 3rd electric capacity C3 and the 4th electric capacity C4, its effect is the size of adjustment the 3rd electric capacity C3 and the 4th electric capacity C4, makes the electric capacity of the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3H and the 4th electric capacity C4 equal.Current rectifying and wave filtering circuit comprises the first diode D1, the 5th electric capacity C5 and resistance R1.
As shown in Figure 2, when nobody, the output of electric bridge is made to be zero (artificially can adjusting in advance according to the actual putting position between two sheet metals) by adjusting the 3rd electric capacity auxiliary capacitor C31 and the 4th electric capacity auxiliary capacitor C41; According to capacitance, due to C1=C2=(C3+C31)=(C4+C41), the ac voltage Uc3 on the 3rd electric capacity is identical with the ac voltage Uc2 on the second electric capacity, and both voltage differences are 0, and output voltage is 0.When have people trample two of Asiatic water closet pan foot-operated time, electric capacity due to the first electric capacity C1 and the second electric capacity C2 becomes large, ac voltage Uc3 on 3rd electric capacity rises and ac voltage Uc2 on the second electric capacity declines, at this moment produce alternating voltage to export, this alternating voltage, through current rectifying and wave filtering circuit, forms the d. c. voltage signal exported and gives single-chip microcomputer.Specifically ac voltage signal is pulsating direct current by the first diode D1 rectification, and this pulsating direct current, via the 5th electric capacity C5 and resistance R1, makes the pulsating direct current exported become DC voltage with certain ripple.This voltage becomes DC switch voltage signal through the voltage stabilizing of the second diode D2 again, whether relevant this signal is to the existence of human body, this switching voltage signal directly delivers to the I/O interface of single-chip microcomputer, after single-chip microcomputer receives this signal, by the switch of Logic judgment pilot relay, and then the switch of Controlling solenoid valve, and then control the carrying out of water-rinsing process.
The utility model utilizes the change of the two panels inter-metal medium of composition first electric capacity and the second electric capacity, the size of electric capacity between obvious change sheet metal, and the change of electric capacity is concerning the change that can cause capacitive reactance in circuit alternating current, electric capacity is larger then less to the capacitive reactance of alternating current, otherwise it is then larger, utilize the existence of human body whether to produce different impedances to alternating current, thus realize detecting whether someone exists, and then control bath.The major components forming the utility model device is capacitor, and coordinates resistance and diode to form stable control circuit, and this circuit by environmental impacts such as dusts, does not have the advantage of reliable operation.What the utility model sensing device adopted is the original papers such as resistance, electric capacity, sheet metal and diode with low cost, and auto-flushing control circuit is with low cost.First electric capacity of the utility model sensing device and the second electric capacity is whole is enclosed under ceramic tile or cement, not exposing aerial part can not have any impact to outward appearance.
Claims (8)
1. Asiatic water closet pan auto-flushing controls a sensing device, it is characterized in that comprising the first electric capacity, the second electric capacity, the 3rd electric capacity, the 3rd electric capacity auxiliary capacitor, the 4th electric capacity, the 4th electric capacity auxiliary capacitor, resistance, the first diode, the second diode; First sheet metal and the second sheet metal form the first electric capacity, and the 3rd sheet metal the 4th sheet metal forms the second electric capacity; One end of power supply is connected with the first sheet metal, the 4th electric capacity and the 4th electric capacity auxiliary capacitor, and the other end is connected with the 4th sheet metal, the 3rd electric capacity and the 3rd electric capacity auxiliary capacitor; Second sheet metal the respectively with three electric capacity, the 3rd electric capacity auxiliary capacitor are connected with the positive pole of the first diode, and the 3rd sheet metal the respectively with four electric capacity, the 4th electric capacity auxiliary capacitor, the positive pole of the second diode and the negative pole of the 5th electric capacity are connected; The negative pole of the first diode is connected with the positive pole of resistance and the 5th electric capacity respectively; Resistance is connected with the negative pole of the second diode;
Described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal are positioned over the position that Asiatic water closet pan people from both sides pin is trampled respectively, are embedded under people's pin tramples top layer; The capacitance sum of the capacitance of the first electric capacity, the capacitance of the second electric capacity, the 3rd electric capacity and the 3rd electric capacity auxiliary capacitor is equal with the capacitance sum of the 4th electric capacity and the 4th electric capacity auxiliary capacitor, and the 5th electric capacity is filter capacitor.
2. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, it is characterized in that, described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal select the thickness of wide 25 millimeters long 250 millimeters be 0.1 ?the sheet metal of 1 millimeter.
3. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, it is characterized in that, described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal be embedded in people's pin to trample under top layer 5 ?10 millimeters.
4. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, it is characterized in that, the surface of described first sheet metal and the second sheet metal and the 3rd sheet metal and the 4th sheet metal and be connected Points And lines all with insulation course.
5. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, it is characterized in that, the electric capacity of described 3rd electric capacity and the 4th electric capacity be 100PF ?1000PF.
6. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, it is characterized in that, the resistance value of described resistance select 20K Ω ?100K Ω.
7. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, and it is characterized in that, described first diode is common commutation diode, and the second diode is 5.1V voltage stabilizing diode.
8. Asiatic water closet pan auto-flushing according to claim 1 controls sensing device, it is characterized in that, the capacitance of described 5th electric capacity be 10UF ?200UF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520035613.9U CN204374443U (en) | 2015-01-16 | 2015-01-16 | A kind of Asiatic water closet pan auto-flushing controls sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520035613.9U CN204374443U (en) | 2015-01-16 | 2015-01-16 | A kind of Asiatic water closet pan auto-flushing controls sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374443U true CN204374443U (en) | 2015-06-03 |
Family
ID=53330651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520035613.9U Expired - Fee Related CN204374443U (en) | 2015-01-16 | 2015-01-16 | A kind of Asiatic water closet pan auto-flushing controls sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204374443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536051A (en) * | 2015-01-16 | 2015-04-22 | 华南理工大学 | Sensing device in automatic flushing control circuit for squat toilet |
| CN111856586A (en) * | 2019-04-30 | 2020-10-30 | 合肥华凌股份有限公司 | Human body detection device, water supply equipment and method |
-
2015
- 2015-01-16 CN CN201520035613.9U patent/CN204374443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536051A (en) * | 2015-01-16 | 2015-04-22 | 华南理工大学 | Sensing device in automatic flushing control circuit for squat toilet |
| CN111856586A (en) * | 2019-04-30 | 2020-10-30 | 合肥华凌股份有限公司 | Human body detection device, water supply equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202643023U (en) | Intelligent elevator | |
| CN1838848A (en) | Classroom electricity-saving system based on image recognition technique | |
| CN204374443U (en) | A kind of Asiatic water closet pan auto-flushing controls sensing device | |
| CN103687158B (en) | Capacitance touch dimmer switch | |
| CN205174289U (en) | Gesture inductive switch | |
| CN104595552B (en) | A kind of touch-control tap | |
| CN201820110U (en) | Intelligent water leakage prevention controller | |
| CN104536051A (en) | Sensing device in automatic flushing control circuit for squat toilet | |
| CN102303799A (en) | Elevator lighting self-adaptive turn-on system | |
| CN201954076U (en) | Water pipe inductive control switch | |
| CN203608427U (en) | Multi-energy intelligent lighting monitoring system | |
| CN205428077U (en) | Multi -functional human body IR induction device is used in lavatory | |
| CN103883782A (en) | Induction type flushing apparatus of urinal of toilet for men | |
| CN106500273A (en) | A kind of intelligentized air conditioner system energy saving controller | |
| CN105654636A (en) | Multifunctional human body infrared induction device for toilet | |
| CN202393825U (en) | Single-phase no-zero-line anti-electricity-theft electric energy meter | |
| CN206164928U (en) | Lamp of energy saving | |
| CN201198600Y (en) | Intelligent water saving toilet-flushing device | |
| CN103607803A (en) | Wireless network and touch-control control-based back edge modulation dimming switch | |
| CN102269367A (en) | Force-controlled corridor energy-saving induction lamp | |
| CN209373147U (en) | A kind of urine sensor device for toilet | |
| CN105515171B (en) | Adaptive power supply monitors switching circuit and its uses control method | |
| CN201250937Y (en) | Water pipe automatic control device | |
| CN209723118U (en) | A kind of secondary water-supply apparatus control system | |
| CN215926197U (en) | Integrated form gravity-feed tank bath squatting pan |
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: 20150603 Termination date: 20180116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |