CN201903660U - Infrared sensor with battery having long service life - Google Patents
Infrared sensor with battery having long service life Download PDFInfo
- Publication number
- CN201903660U CN201903660U CN2010206489305U CN201020648930U CN201903660U CN 201903660 U CN201903660 U CN 201903660U CN 2010206489305 U CN2010206489305 U CN 2010206489305U CN 201020648930 U CN201020648930 U CN 201020648930U CN 201903660 U CN201903660 U CN 201903660U
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- circuit
- battery
- electromagnetic valve
- single chip
- machine controlling
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Abstract
The utility model discloses an infrared sensor with a battery having long service life, which comprises an infrared detection circuit, a single chip microcomputer control circuit, an electromagnetic valve driving circuit and a battery circuit used for supplying power. The infrared sensor is further provided with a boosting circuit connected with the battery circuit, 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 microcomputer control circuit. The boosting circuit is composed of 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 microcomputer starts to actuate the boosting chip, 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. 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 t 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 utility model relates to the infrared inductor field, relates in particular to a kind of infrared inductor of battery long service life.
Background technology
Infrared inductor be a kind of can be applied to detect judge whether that human body etc. enters the sensing apparatus of induction zone, 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, 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, because solenoid valve needs high voltage and electric current to drive, when battery can not drive driving circuit for electromagnetic valve work, 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, allow 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 utility model purpose provides and a kind ofly can prolong the battery infrared inductor in serviceable life.
The utility model adopts following scheme to realize: the infrared inductor of battery long service life comprises the 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, the voltage detecting circuit output terminal links to each other with the detection input end of single chip machine controlling circuit, also be provided with the booster circuit that links to each other with battery circuit in the wherein said infrared inductor, the output terminal of described booster circuit connects the power input of driving circuit for electromagnetic valve, and the signal input end of described booster circuit connects the signal output part of single chip machine controlling circuit.
Described booster circuit comprises the energy storage inductance, chip and fly-wheel diode boost, the input end of described 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 described 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 described driving circuit for electromagnetic valve is 5 volts.
The alarm voltage value of setting in the described single chip machine controlling circuit is 3 volts.
The beneficial effects of the utility model are: 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, voltage risen to make driving circuit for electromagnetic valve drive controlling solenoid valve, the chip that boosts after the solenoid control end is promptly quit 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 utility model can make brings up to original 2 to 3 times the serviceable life of battery.The utility model 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
Now in conjunction with the accompanying drawings the utility model is further elaborated:
Fig. 1 is the circuit theory synoptic diagram of the utility model infrared inductor;
Fig. 2 is the circuit theory synoptic diagram of the utility model booster circuit.
Embodiment
As shown in Figure 1, the utility model comprises 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, the input end of mu balanced circuit 4 links to each other with the battery circuit 5 that power supply is provided, 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 described booster circuit 7 connects the power input of driving circuit for electromagnetic valve 3, and the signal input end of described booster circuit 7 connects the signal output part of single chip machine controlling circuit 2.
As shown in Figure 2, described booster circuit 7 comprises energy storage inductance L 1, boost chip U5 and sustained diode 3, the input end of described energy storage inductance L 1 connects the output terminal of battery circuit 5, the output terminal of energy storage inductance L 1 connects the input end of sustained diode 3 positive poles and the chip U5 that boosts, the signal input end of chip U5 of boosting 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 described 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 described driving circuit for electromagnetic valve 3 is 5 volts.
The alarm voltage value of setting in the described single chip machine controlling circuit 2 is 3 volts.
Claims (2)
1. the infrared inductor of a battery long service life, comprise the 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, 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 described infrared inductor, the output terminal of described booster circuit connects the power input of driving circuit for electromagnetic valve, and the signal input end of described 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: described booster circuit comprises the energy storage inductance, chip and fly-wheel diode boost, the input end of described 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206489305U CN201903660U (en) | 2010-12-09 | 2010-12-09 | Infrared sensor with battery having long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206489305U CN201903660U (en) | 2010-12-09 | 2010-12-09 | Infrared sensor with battery having long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201903660U true CN201903660U (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206489305U Expired - Fee Related CN201903660U (en) | 2010-12-09 | 2010-12-09 | Infrared sensor with battery having long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201903660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564604A (en) * | 2010-12-09 | 2012-07-11 | 洁利来（福建）感应设备有限公司 | Infrared sensor with battery having long service life, and control method of such infrared sensor |
-
2010
- 2010-12-09 CN CN2010206489305U patent/CN201903660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564604A (en) * | 2010-12-09 | 2012-07-11 | 洁利来（福建）感应设备有限公司 | Infrared sensor with battery having long service life, and control method of such infrared sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20131209 |