CN102564604A - Infrared sensor with battery having long service life, and control method of such infrared sensor - Google Patents
Infrared sensor with battery having long service life, and control method of such infrared sensor Download PDFInfo
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- CN102564604A CN102564604A CN2010105807324A CN201010580732A CN102564604A CN 102564604 A CN102564604 A CN 102564604A CN 2010105807324 A CN2010105807324 A CN 2010105807324A CN 201010580732 A CN201010580732 A CN 201010580732A CN 102564604 A CN102564604 A CN 102564604A
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- electromagnetic valve
- single chip
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Abstract
The invention discloses an infrared sensor with a battery having long service life and a control method of the infrared sensor. The infrared sensor comprises an infrared detection circuit, a single chip control circuit, an electromagnetic valve driving circuit and a battery circuit used for supplying power; the infrared sensor further comprises a boosting circuit connected with the battery circuit, wherein an output end of the boosting circuit is connected with an input end of the electromagnetic valve driving circuit, and a control signal input end of the boosting circuit is connected with a signal output end of the single chip control circuit; the boosting circuit comprises a power storage inductor, a boosting chip and a fly-wheel diode. When the output voltage of the battery circuit is smaller than the lower limit value of the working voltage of the electromagnetic valve driving circuit, and only when an electromagnetic valve is required to be controlled, the single chip control circuit starts to actuate the boosting chip to work, the output voltage is boosted until the electromagnetic valve driving circuit can drive and control the electromagnetic valve, and the boosting chip can stop to work after control on the electromagnetic valve is finished. According to the invention, power of the battery can be fully used, and the service life of the battery can be prolonged by two or three times, so that battery changing frequency can be reduced, and the infrared sensor with the battery having long service life is more environment-friendly and energy-saving.
Description
Technical field
The present invention relates to the infrared inductor field, relate in particular to a kind of infrared inductor and control method thereof of battery long service life.
Background technology
Infrared inductor is a kind of sensing apparatus that judges whether entering induction zones such as human body that can be applied to detect, and it is widely used on the products such as sensing sanitary appliance, ATM, automatic door bell, burglar alarm.Have in the infrared inductor much is to adopt powered battery; As in the present sensing sanitary appliance, adopt the 1.5 voltaic elements power supply of 4 joint series connection; Powered battery has an electric weight attenuation process, and according to the national standard requirement, infrared inductor should be able to guarantee that the control electromagnetic valve switch supplies water more than 150,000 times; Can not reliably drive solenoid valve when work when cell output voltage is reduced to, under-voltage prompt facility should be arranged.The requirement that generally can both be up to state standards in the serviceable life of battery in the existing sensing sanitary appliance is because solenoid valve needs high voltage and electric current to drive, when battery can not drive driving circuit for electromagnetic valve and works; Also has dump energy over half in fact; And remaining electric energy enough drives other circuit continuous firing quite a long time again except that driving circuit for electromagnetic valve, if make full use of remaining electric energy in the battery, lets it can drive solenoid valve; Just can prolong the serviceable life of battery; Reduce the replacing number of times of infrared inductor battery, improve the utilization factor of battery, environmental protection and energy saving more.
Summary of the invention
The object of the invention provides and a kind ofly can prolong the battery infrared inductor and the control method thereof in serviceable life.
The present invention adopts following scheme to realize: the infrared inductor of battery long service life comprises infrared acquisition circuit, single chip machine controlling circuit and driving circuit for electromagnetic valve; The signal input part of single chip machine controlling circuit connects the output terminal of infrared acquisition circuit; Single chip machine controlling circuit control linkage driving circuit for electromagnetic valve; The power input of single chip machine controlling circuit and infrared acquisition circuit links to each other with the output terminal of mu balanced circuit; The input end of mu balanced circuit links to each other with the battery circuit that power supply is provided; The battery circuit output terminal is provided with voltage detecting circuit, and the voltage detecting circuit output terminal links to each other with the detection input end of single chip machine controlling circuit, also is provided with the booster circuit that links to each other with battery circuit in the wherein said infrared inductor; The output terminal of said booster circuit connects the power input of driving circuit for electromagnetic valve, and the signal input end of said booster circuit connects the signal output part of single chip machine controlling circuit.
Said booster circuit comprises the energy storage inductance, chip and fly-wheel diode boost; The input end of said energy storage inductance connects the output terminal of battery circuit; The output terminal of energy storage inductance connects the input end of the fly-wheel diode positive pole and the chip that boosts; The signal input end of chip of boosting connects the signal output part of single chip machine controlling circuit, and fly-wheel diode negative pole and the output terminal of the chip that boosts all are connected the power input of driving circuit for electromagnetic valve.
The control method of the infrared inductor of said battery long service life, it comprises the steps:
Step 1: infrared inductor is started working after connecting battery; The output voltage that detects battery circuit when single chip machine controlling circuit is during more than or equal to the minium operation voltage value of driving circuit for electromagnetic valve; Single chip machine controlling circuit is controlled the chip that boosts and is not worked, and the output electric energy of battery circuit drives driving circuit for electromagnetic valve work through fly-wheel diode;
Step 2: the output voltage that detects battery circuit when single chip machine controlling circuit is during less than the minium operation voltage value of driving circuit for electromagnetic valve; And only when the needs control electromagnetic valve; Single chip machine controlling circuit just starts the chip operation that boosts; Voltage risen to can make driving circuit for electromagnetic valve drive controlling solenoid valve, the chip that boosts after solenoid control is finished promptly quits work;
Step 3: when alarm voltage value that output voltage that single chip machine controlling circuit detects battery circuit is set in less than single chip machine controlling circuit, the cue of single chip machine controlling circuit output alarm, battery is changed in prompting.
The minium operation voltage value of said driving circuit for electromagnetic valve is 5 volts.
The alarm voltage value of setting in the said single chip machine controlling circuit is 3 volts.
The invention has the beneficial effects as follows: adopt said structure, when the output voltage of battery circuit during more than or equal to the minium operation voltage value of driving circuit for electromagnetic valve, the chip that boosts is not worked, so that reduce the energy loss of booster circuit; And when the output voltage of battery circuit during less than the minium operation voltage value of driving circuit for electromagnetic valve; And only when the needs control electromagnetic valve; Single chip machine controlling circuit just starts the chip operation that boosts, and voltage is risen to can make driving circuit for electromagnetic valve drive controlling solenoid valve, and the chip that boosts after solenoid control is finished promptly quits work; Therefore booster circuit is actually and is in dormant state for a long time; Just start when having only the control electromagnetic valve of needs, its consumed power is very little, can not increase extra loss; When having only the alarm voltage value that output voltage when battery circuit sets in less than single chip machine controlling circuit; Be that the output voltage of battery circuit will be soon can not drive single chip machine controlling circuit work the time; The cue of single chip machine controlling circuit output alarm, battery is changed in prompting; The present invention can make and bring up to original 2 to 3 times the serviceable life of battery.The present invention can make full use of the electric energy of battery, prolongs the serviceable life of battery, reduces the replacing number of times of infrared inductor battery, environmental protection and energy saving more.
Description of drawings
Combine accompanying drawing that the present invention is done further elaboration at present:
Fig. 1 is the circuit theory synoptic diagram of infrared inductor of the present invention;
Fig. 2 is the circuit theory synoptic diagram of booster circuit of the present invention.
Embodiment
As shown in Figure 1; The present invention includes infrared acquisition circuit 1, single chip machine controlling circuit 2 and driving circuit for electromagnetic valve 3; The signal input part of single chip machine controlling circuit 2 connects the output terminal of infrared acquisition circuit 1; Single chip machine controlling circuit 2 control linkage driving circuit for electromagnetic valve 3; The power input of single chip machine controlling circuit 2 and infrared acquisition circuit 1 links to each other with the output terminal of mu balanced circuit 4, and the input end of mu balanced circuit 4 links to each other with the battery circuit that power supply is provided 5, and battery circuit 5 output terminals are provided with voltage detecting circuit 6; Voltage detecting circuit output terminal 6 output terminals link to each other with the detection input end of single chip machine controlling circuit 2; Also be provided with the booster circuit 7 that links to each other with battery circuit 5 in the wherein said infrared inductor, the output terminal of said booster circuit 7 connects the power input of driving circuit for electromagnetic valve 3, and the signal input end of said booster circuit 7 connects the signal output part of single chip machine controlling circuit 2.
As shown in Figure 2; Said booster circuit 7 comprises energy storage inductance L 1, boost chip U5 and sustained diode 3; The input end of said energy storage inductance L 1 connects the output terminal of battery circuit 5; The output terminal of energy storage inductance L 1 connects the anodal input end with the chip U5 that boosts of sustained diode 3, and the signal input end of the chip U5 that boosts connects the signal output part of single chip machine controlling circuit 2, and sustained diode 3 negative poles and the output terminal of the chip U5 that boosts all are connected the power input of driving circuit for electromagnetic valve 3.The voltage range of the chip U5 that boosts input is the 0.9-9 volt, and the forward conduction voltage drop of sustained diode 3 is 0.3V, also can drive each circuit working after output voltage process sustained diode 3 step-downs of battery circuit before promptly guaranteeing to report to the police.
The control method of the infrared inductor of said battery long service life, it comprises the steps:
Step 1: infrared inductor is started working after connecting battery; The output voltage that detects battery circuit 5 when single chip machine controlling circuit 2 is during more than or equal to the minium operation voltage value of driving circuit for electromagnetic valve 3; Single chip machine controlling circuit 2 is controlled the chip U5 that boosts and is not worked, and the output electric energy of battery circuit 5 drives driving circuit for electromagnetic valve 3 work through sustained diode 3;
Step 2: the output voltage that detects battery circuit 5 when single chip machine controlling circuit 2 is during less than the minium operation voltage value of driving circuit for electromagnetic valve 3; And only when the needs control electromagnetic valve; Single chip machine controlling circuit 2 just starts the chip U5 work of boosting; Voltage risen to can make driving circuit for electromagnetic valve 3 drive controlling solenoid valves, the chip U5 that boosts after solenoid control is finished promptly quits work;
Step 3: when alarm voltage value that output voltage that single chip machine controlling circuit 2 detects battery circuit 5 is set in less than single chip machine controlling circuit 2, single chip machine controlling circuit 2 output alarm cues, battery is changed in prompting.
The minium operation voltage value of said driving circuit for electromagnetic valve 3 is 5 volts.
The alarm voltage value of setting in the said single chip machine controlling circuit 2 is 3 volts.
Claims (5)
1. the infrared inductor of a battery long service life; Comprise infrared acquisition circuit, single chip machine controlling circuit and driving circuit for electromagnetic valve; The signal input part of single chip machine controlling circuit connects the output terminal of infrared acquisition circuit; Single chip machine controlling circuit control linkage driving circuit for electromagnetic valve; The power input of single chip machine controlling circuit and infrared acquisition circuit links to each other with the output terminal of mu balanced circuit, and the input end of mu balanced circuit links to each other with the battery circuit that power supply is provided, and the battery circuit output terminal is provided with voltage detecting circuit; The voltage detecting circuit output terminal links to each other with the detection input end of single chip machine controlling circuit; It is characterized in that: also be provided with the booster circuit that links to each other with battery circuit in the said infrared inductor, the output terminal of said booster circuit connects the power input of driving circuit for electromagnetic valve, and the signal input end of said booster circuit connects the signal output part of single chip machine controlling circuit.
2. the infrared inductor of a kind of battery long service life according to claim 1; It is characterized in that: said booster circuit comprises the energy storage inductance, chip and fly-wheel diode boost; The input end of said energy storage inductance connects the output terminal of battery circuit; The output terminal of energy storage inductance connects the input end of the fly-wheel diode positive pole and the chip that boosts; The signal input end of chip of boosting connects the signal output part of single chip machine controlling circuit, and fly-wheel diode negative pole and the output terminal of the chip that boosts all are connected the power input of driving circuit for electromagnetic valve.
3. according to the control method of the infrared inductor of the said battery long service life of claim 1, it is characterized in that: it comprises the steps:
Step 1: infrared inductor is started working after connecting battery; The output voltage that detects battery circuit when single chip machine controlling circuit is during more than or equal to the minium operation voltage value of driving circuit for electromagnetic valve; Single chip machine controlling circuit is controlled the chip that boosts and is not worked, and the output electric energy of battery circuit drives driving circuit for electromagnetic valve work through fly-wheel diode;
Step 2: the output voltage that detects battery circuit when single chip machine controlling circuit is during less than the minium operation voltage value of driving circuit for electromagnetic valve; And only when the needs control electromagnetic valve; Single chip machine controlling circuit just starts the chip operation that boosts; Voltage risen to can make driving circuit for electromagnetic valve drive controlling solenoid valve, the chip that boosts after solenoid control is finished promptly quits work;
Step 3: when alarm voltage value that output voltage that single chip machine controlling circuit detects battery circuit is set in less than single chip machine controlling circuit, the cue of single chip machine controlling circuit output alarm, battery is changed in prompting.
4. according to the control method of the infrared inductor of the said battery long service life of claim 3, it is characterized in that: the minium operation voltage value of said driving circuit for electromagnetic valve is 5 volts.
5. according to the control method of the infrared inductor of the said battery long service life of claim 3, it is characterized in that: the alarm voltage value of setting in the said single chip machine controlling circuit is 3 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105807324A CN102564604A (en) | 2010-12-09 | 2010-12-09 | Infrared sensor with battery having long service life, and control method of such infrared sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105807324A CN102564604A (en) | 2010-12-09 | 2010-12-09 | Infrared sensor with battery having long service life, and control method of such infrared sensor |
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| CN102564604A true CN102564604A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105807324A Pending CN102564604A (en) | 2010-12-09 | 2010-12-09 | Infrared sensor with battery having long service life, and control method of such infrared sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843027A (en) * | 2015-11-25 | 2017-06-13 | 凌通科技股份有限公司 | Single battery infrared ray circuit and use its remote control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069366A (en) * | 1991-08-08 | 1993-02-24 | 松下电器产业株式会社 | Power-supplying circuit |
| US6028374A (en) * | 1997-08-01 | 2000-02-22 | U.S. Philips Corporation | Extending battery life in electronic apparatus |
| CN1720377A (en) * | 2002-12-04 | 2006-01-11 | 阿利查尔技术有限公司 | Passive sensors for controlling automatic bathroom flushers and faucets |
| CN201903660U (en) * | 2010-12-09 | 2011-07-20 | 洁利来（福建）感应设备有限公司 | Infrared sensor with battery having long service life |
-
2010
- 2010-12-09 CN CN2010105807324A patent/CN102564604A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069366A (en) * | 1991-08-08 | 1993-02-24 | 松下电器产业株式会社 | Power-supplying circuit |
| US6028374A (en) * | 1997-08-01 | 2000-02-22 | U.S. Philips Corporation | Extending battery life in electronic apparatus |
| CN1720377A (en) * | 2002-12-04 | 2006-01-11 | 阿利查尔技术有限公司 | Passive sensors for controlling automatic bathroom flushers and faucets |
| CN201903660U (en) * | 2010-12-09 | 2011-07-20 | 洁利来（福建）感应设备有限公司 | Infrared sensor with battery having long service life |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843027A (en) * | 2015-11-25 | 2017-06-13 | 凌通科技股份有限公司 | Single battery infrared ray circuit and use its remote control |
| CN106843027B (en) * | 2015-11-25 | 2019-06-21 | 凌通科技股份有限公司 | Single battery infrared ray circuit and the remote controler for using it |
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Application publication date: 20120711 |