CN204004681U - A kind of Intelligent tap water water-saving control device - Google Patents
A kind of Intelligent tap water water-saving control device Download PDFInfo
- Publication number
- CN204004681U CN204004681U CN201420276070.5U CN201420276070U CN204004681U CN 204004681 U CN204004681 U CN 204004681U CN 201420276070 U CN201420276070 U CN 201420276070U CN 204004681 U CN204004681 U CN 204004681U
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- water
- pulse
- circuit
- control device
- tap water
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Abstract
The utility model discloses a kind of Intelligent tap water water-saving control device, it is characterized in that, comprise the photoimpact circuit for generating, pulse-scaling circuit and the drive circuit that connect successively.During use, first electric-control stop valve is connected on the running water pipe at water meter place, then described infrarede emitting diode and photoelectric sensor are arranged on the dial plate of water meter 1, and make the light emission direction of infrarede emitting diode and the sensitization direction of photoelectric sensor all point to petal-like round pointer 5 on water meter dial plate, finally drive circuit in Intelligent tap water water-saving control device described in the utility model is connected with the field coil of electric-control stop valve.The utility model can effectively prevent the seepage of water system, saving water resource.
Description
Technical field
The utility model relates to hydrotechny field, is specifically related to a kind of control gear of water supply valve.
Background technique
Existing domestic running water system, the general only installation on total pipeline a manual total valve, by controlling this total valve, control the water supply of domestic running water system.The part reliability using due to domestic running water system is higher, and the mounting point of total valve is generally comparatively hidden in addition, is awkward, and causes seldom having user can close in time total valve when not needing water, and this has just buried the hidden danger of water resource waste.
Although the accidents such as water pipe explosion occur less, once but the economic loss causing and social contradications can not be ignored, light waste the water rate of dozens of yuan, heavy bring disaster to the serious accident of the electrical equipments such as periphery and public elevator, loss can reach hundreds of thousands unit.
Summary of the invention
In view of the deficiency of prior art, the utility model provides a kind of Intelligent tap water water-saving control device, and this device can effectively prevent the seepage of water system, saving water resource.
The technological scheme that the utility model addresses the above problem is as follows:
An Intelligent tap water water-saving control device, is characterized in that, this device comprises photoimpact circuit for generating, pulse-scaling circuit and the drive circuit connecting successively, wherein,
Described photoimpact circuit for generating is comprised of infrarede emitting diode, light sensor and pulse shaping nework, wherein, infrarede emitting diode and light sensor are all located on tap water meter, and the sensitization direction of the light emission direction of infrarede emitting diode and light sensor is all pointed to petal-like round pointer on water meter dial plate, the photoelectric current output terminal of light sensor is connected with the input end of pulse shaping nework, and the pulse output end of pulse shaping nework is connected with described pulse-scaling circuit;
Described pulse-scaling circuit is comprised of at least one counter chip and peripheral circuit thereof, and its count pulse input end is connected with the pulse output end of pulse shaping nework, and counting overflows the control end that end is connected to drive circuit;
Described drive circuit is an electronic switch being connected to form by current amplifier and relay.
For reminding user, this device also comprises a buzzing warning circuit, and the counting that the alarm control end of this circuit is connected to pulse-scaling circuit overflows end.
In order to guarantee user's normal water, Intelligent tap water water-saving control device described in the utility model also comprises a pressure Water supply switch valve, and this pressure Water supply switch valve is parallel on described electronic switch.
Intelligent tap water water-saving control device described in the utility model also comprises a power circuit for whole device power supply, and this circuit can be various common AC-DC conversion circuits.
Working principle of the present utility model is as follows:
When the tap water in water pipe flows, on water meter, on dial plate, petal-like round pointer gyrates, and infrarede emitting diode is radiated at back reflection on impeller blade and, to light sensor, converts infrared signal to current signal; Because described round pointer is petal-shaped, therefore its reflected light is the strong and weak light pulse changing, this light pulse just converts corresponding electrical pulse to through light sensor, and described electrical pulse forms continuous square-wave pulse again and export pulse-scaling circuit to after pulse shaping nework shaping.The pulse signal receiving when pulse-scaling circuit reaches in count value in limited time, and pulse-scaling circuit is exported spill over and driven electric-control stop valve to close tap water.But above-mentioned electric-control stop valve electromagnet cut off valve, also Electric Actuated Stop Valves.
Compared with prior art, the utility model has the advantages of and be:
1) transformation of speed of petal-like round pointer on water meter dial plate is become to counting electrical pulse,
2) because adopting the mode of pulse-scaling circuit metrical pulse number, the utility model controls water outlet, both avoided outlet pipe explosion or user to forget turning off the tap causing the situations of a large amount of wastes of water, also avoided because water pipe is not closed tight or crack causes the situation of water clock simultaneously;
3) because the utility model also comprises a pressure Water supply switch valve, can ensure the normal water of user, flexible design is convenient.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of Intelligent tap water water-saving control device described in the utility model.
Fig. 2 is the schematic diagram of a kind of concrete application of Intelligent tap water water-saving control device described in the utility model.
Embodiment
Example 1
Referring to Fig. 1, this example is in a count value, to be limited to 1000 Intelligent tap water water-saving control device, and it comprises that the photoimpact circuit for generating, pulse-scaling circuit, drive circuit, buzzing warning circuit force switch and the power circuit that connect successively form.
Referring to Fig. 1, photoimpact circuit for generating is comprised of an infrarede emitting diode LED1, an infrared photoelectric sensor Q2, a pulse shaping nework, wherein, infrarede emitting diode LED1 and infrared photoelectric sensor Q2 are all located on tap water meter, and make the light emission direction of infrarede emitting diode LED1 and the sensitization direction of infrared photoelectric sensor Q2 all point to petal-like round pointer on water meter dial plate; The quick voltage comparison circuit that the voltage comparator U1A that the model that pulse shaping nework Wei Yiyou National Semiconductor produces is LM393 and peripheral circuit thereof form, the photoelectric current output terminal of infrared photoelectric sensor Q2 is connected with the in-phase input end of voltage comparator U1A, and the output terminal of voltage comparator U1A is connected with described pulse-scaling circuit.
Referring to Fig. 1, decade unit chip U3～U5 that the model that pulse-scaling circuit You Sange U.S. Motorola Inc. produces is 74160, the d type flip flop U2A that model is 7474, biconditional gate U6A and peripheral circuit that model is 74HC7266 form, and on three decade unit chip U3～U5 cascades formation countings, are limited to 1000 pulse counter.Wherein, the pulse signal input terminal of decade unit chip U3～U5 and the pulse signal input terminal of d type flip flop U2A are connected to respectively the output terminal of biconditional gate U6A, an input end of biconditional gate U6A is connected with the output terminal of voltage comparator U1A, another input end is connected with reset button S1, the D end that the carry flag bit of decade unit chip U5 is connected to d type flip flop U2A connects, the Q output terminal of d type flip flop U2A, for counting overflows end, is connected to the control end of driving circuit for electromagnetic valve.
Referring to Fig. 1, drive circuit is a relay drive circuit, this relay drive circuit by a relay K 1, form current amplifier NPN type triode Q1 and peripheral resistance forms, wherein, the base stage of triode Q1 is control end, and this control end is connected with the Q output terminal of d type flip flop U2A through a resistance R 11.
Referring to Fig. 1, buzzing warning circuit is comprised of with drive circuit triode Q1 and peripheral resistance buzzer SPEAKER, and wherein buzzer SPEAKER is connected in parallel on the collector and emitter of triode Q1.
Referring to Fig. 1, force Water supply switch valve S4 to be parallel to the normally-closed contact two ends of relay K 1.
Due to Intelligent tap water water-saving control device described in the utility model to power supply (seeing the VCC in Fig. 1) without specific (special) requirements, can adopt common AC-DC conversion circuit, those skilled in the art can designed, designed, so in this example, does not provide concrete circuit.
Example 2
Referring to Fig. 2 and in conjunction with Fig. 1, first electromagnet cut off valve 3 is connected on the running water pipe 4 at water meter 1 place, then the infrarede emitting diode in the water-saving control device of Intelligent tap water shown in Fig. 12 and photoelectric sensor (being the infrarede emitting diode LED1 shown in Fig. 1 and infrared photoelectric sensor Q2) are arranged on the dial plate of water meter 1, and make the light emission direction of infrarede emitting diode and the sensitization direction of photoelectric sensor all point to petal-like round pointer 5 on water meter dial plate, finally the one group of normally-closed contact of Intelligent tap water water-saving control device repeat circuit K1 described in example 1 is connected with the field coil of electromagnet cut off valve 3 (seeing the dotted line in Fig. 2) be installation.
Referring to Fig. 1 and Fig. 2, when the tap water in water pipe flows, petal-like round pointer 5 on water meter 1 rotates, because circle pointer 5 is 6 lobes, therefore the circle pointer 5 infrared photoelectric sensor Q2 that goes around just sends 6 electrical pulses, and this electrical pulse forms 6 square-wave pulses and delivers to pulse counter after the shaping of quick voltage comparison circuit.Decade unit chip U5 carry flag bit output low level when the umber of pulse receiving at pulse counter does not reach CLV ceiling limit value, the Q output terminal of d type flip flop U2A is also the initial value low level that powers on, solenoid valve 3 is failure to actuate; When the umber of pulse of pulse counter reception reaches the count value upper limit 1000, pulse counter by the pulse of decade unit chip U5 carry flag bit output carry to d type flip flop U2A, d type flip flop U2A exports high level signal when next pulse input, the normally-closed contact of relay K 1 disconnects, make electromagnet cut off valve 3 power-off and close, and by the buzzer alarm of sounding a buzzer, prompting user equipment is forgotten shutoff valve or the existence situation of leaking.When user close water valve or or system while there is not water leakage fault, photoimpact circuit for generating does not produce pulse, d type flip flop U2A maintains high level, makes electromagnet cut off valve 3 all the time in closed condition.
As user needs normal water, directly the closed Water supply switch valve S4 that forces, makes electromagnet cut off valve 3 switch on and open by force.
After last time, Water-saving was excluded, user only needs closed reduction button S1, then disconnects, and pulse counter is resetted.
Claims (3)
1. an Intelligent tap water water-saving control device, is characterized in that, this device comprises photoimpact circuit for generating, pulse-scaling circuit and the drive circuit connecting successively, wherein,
Described photoimpact circuit for generating is comprised of infrarede emitting diode, light sensor and pulse shaping nework, wherein, infrarede emitting diode and light sensor are all located on tap water meter, and the sensitization direction of the light emission direction of infrarede emitting diode and light sensor is all pointed to petal-like round pointer on water meter dial plate, the photoelectric current output terminal of light sensor is connected with the input end of pulse shaping nework, and the pulse output end of pulse shaping nework is connected with described pulse-scaling circuit;
Described pulse-scaling circuit is comprised of at least one counter chip and peripheral circuit thereof, and its count pulse input end is connected with the pulse output end of pulse shaping nework, and counting overflows the control end that end is connected to drive circuit;
Described drive circuit is an electronic switch being connected to form by current amplifier and relay.
2. a kind of Intelligent tap water water-saving control device as claimed in claim 1, is characterized in that, also comprises a buzzing warning circuit, and the counting that the alarm control end of this circuit is connected to pulse-scaling circuit overflows end.
3. a kind of Intelligent tap water water-saving control device as claimed in claim 1 or 2, is characterized in that, also comprises a pressure Water supply switch valve, and this pressure Water supply switch valve is parallel on described electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276070.5U CN204004681U (en) | 2014-05-27 | 2014-05-27 | A kind of Intelligent tap water water-saving control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276070.5U CN204004681U (en) | 2014-05-27 | 2014-05-27 | A kind of Intelligent tap water water-saving control device |
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| Publication Number | Publication Date |
|---|---|
| CN204004681U true CN204004681U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420276070.5U Expired - Fee Related CN204004681U (en) | 2014-05-27 | 2014-05-27 | A kind of Intelligent tap water water-saving control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322122A (en) * | 2016-09-20 | 2017-01-11 | 东华大学 | Intelligent pipeline water leakage detecting device based on cloud services of Internet of things |
-
2014
- 2014-05-27 CN CN201420276070.5U patent/CN204004681U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322122A (en) * | 2016-09-20 | 2017-01-11 | 东华大学 | Intelligent pipeline water leakage detecting device based on cloud services of Internet of things |
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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: 20141210 Termination date: 20160527 |