CN205722262U - A kind of alarm device based on pyroelectric sensor - Google Patents
A kind of alarm device based on pyroelectric sensor Download PDFInfo
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- CN205722262U CN205722262U CN201620519607.5U CN201620519607U CN205722262U CN 205722262 U CN205722262 U CN 205722262U CN 201620519607 U CN201620519607 U CN 201620519607U CN 205722262 U CN205722262 U CN 205722262U
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Abstract
This utility model relates to a kind of alarm device based on pyroelectric sensor, this device includes power subsystem (1), this alarm device also includes pyroelectric sensor sensing unit (2), alarm control unit (3) and alarm unit (4), pyroelectric sensor sensing unit (2) and alarm control unit (3) are all connected with power subsystem (1), pyroelectric sensor unit is also connected with alarm control unit (3), alarm control unit (3) is provided with power control terminal and is connected to alarm unit (4), described power control terminal controls the on and off of alarm unit (4) working power.Compared with prior art, the advantage that this utility model has simple in construction, power consumption is little, range is extensive, alarm sound is various.
Description
Technical field
This utility model relates to a kind of alarm device, especially relates to a kind of alarm device based on pyroelectric sensor.
Background technology
At present, the proposition of technology of Internet of things promotes the popularization of Smart Home so that the demand of domestic. applications is got over by people
Come the strongest.Chinese patent CN201210343080.1 discloses the household safety alarming devices of a kind of practicality, including for detecting
Illegally enter and launch detection transmitter module and the receiving alarm module of wireless connections therewith of antitheft triggering signal；When detection is sent out
Penetrate module to receiving alarm module launch antitheft triggering signal time, receiving alarm module to antitheft triggering signal decoding judge laggard
Row vibration is reported to the police and audible alarm.But this burglar alarm uses and is wirelessly transferred, and does not only take up frequency spectrum resource, to other electrical equipment
Equipment interferes, and alarm sound is single.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and provide a kind of and release based on heat
The alarm device of electric transducer.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of alarm device based on pyroelectric sensor, this device includes power subsystem, and this alarm device also includes heat
Release electric transducer sensing unit, alarm control unit and alarm unit, pyroelectric sensor sensing unit and alarm control unit
Being all connected with power subsystem, pyroelectric sensor unit is also connected with alarm control unit, and alarm control unit is provided with power control terminal
And it being connected to alarm unit, described power control terminal controls the on and off of alarm unit working power.
Described pyroelectric sensor sensing unit includes pyroelectric sensor S1, described pyroelectric sensor S1 power supply
Positive and negative electrode is connected respectively the positive and negative electrode of power subsystem, and pyroelectric sensor S1 outfan is connected to alarm control unit.
Described alarm control unit includes that audion Q1 and relay, pyroelectric sensor S1 outfan connect three poles
Pipe Q1 base stage, audion Q1 colelctor electrode is connected to the positive pole of power subsystem by the coil J of described relay, and audion Q1 sends out
Emitter-base bandgap grading connects the negative pole of power subsystem, and switch K one end of described relay connects the positive pole of power subsystem, the switch of relay
The K other end is power control terminal.
The coil J two ends of described relay are parallel with diode D4, diode D4 anode connecting triode Q1 colelctor electrode,
Diode D4 negative electrode connects the positive pole of power subsystem.
Described alarm unit includes audible alarm chip U, resistance R6, electric capacity C3, electric capacity C4, stabilivolt D7, luminescence two
Pole pipe D5, light emitting diode D6, audion Q2 and speaker SP, described audible alarm chip U is HFC9561B alarm chip,
Being connected in series resistance R6 between 1 foot and 2 feet of audible alarm chip U, 3 feet of audible alarm chip U are connected to by electric capacity C3
The power control terminal of alarm control unit, 3 feet of audible alarm chip U are additionally coupled to the negative pole of power subsystem, controlling alarm list
The power control terminal of unit is additionally coupled to 8 feet of audible alarm chip U, and 6 feet and the 7 feet correspondence respectively of audible alarm chip U are passed through
Light emitting diode D5 and light emitting diode D6 is connected to the power control terminal of alarm control unit, and electric capacity C4 is series at audible alarm
Between 3 feet and 4 feet of chip U, audion Q2 base stage connects 4 feet of audible alarm chip U, and audion Q2 emitter stage connects sound
3 feet of alarm chip U, audion Q2 colelctor electrode connects the negative pole of speaker SP, and the positive pole of speaker SP connects controlling alarm list
The power control terminal of unit.
Described alarm unit also include alarm sound select module, this module include switch P1, switch P2, switch P3 and
Switch P4,9 feet of audible alarm chip U and 10 feet are corresponding respectively is connected to audible alarm chip U by switch P1 and switch P2
3 feet, 9 feet of audible alarm chip U and 10 feet are the most corresponding is connected to described warning control by switch P3 and switch P4
The power control terminal of unit processed.
Described power subsystem includes 220V alternating current power supply, fuse F, resistance R1, resistance R2, resistance R3, electric capacity C1, electricity
Hold C2, diode D1, diode D2 and stabilivolt D3,220V alternating current power supply one end be sequentially connected in series fuse F, resistance R1,
Electric capacity C1 and diode D2 anode, diode D2 negative electrode forms the positive pole of power subsystem, 220V alternating current power supply other end conduct
The negative pole of power subsystem, diode D1 anode connects the negative pole of power subsystem, and negative electrode connects diode D2 anode, and resistance R2 is in parallel
In electric capacity C1 two ends, stabilivolt D3 anode connects the negative pole of power subsystem, and stabilivolt D3 negative electrode connects the positive pole of power subsystem, electricity
Hold after C2 and resistance R3 is connected in parallel and be connected between the positive pole of power subsystem and the negative pole of power subsystem.
Compared with prior art, this utility model has the advantage that
(1) this utility model pyroelectric sensor sensing units sense warning message, the power supply that alarm control unit is arranged
Control supply and the disconnection of the running voltage of end control alarm unit, thus control the duty of alarm unit, work as alarm free
During information, subsequent alarms unit, without supply voltage, is in power-down state, reduces power consumption to a certain extent；
(2) this utility model alarm control unit use relay realize power control terminal output signal, simple in construction
Reliably, other electric equipment will not be interfered；
(3) alarm device practicality occasion of the present utility model is extensive, and the pyroelectricity in pyroelectric sensor sensing unit passes
Sensor S1 can be replaced as required, thus for the alarm of different situations, such as gas sensitization sensor, can be used for gas and let out
Leakage alarm, Smoke Sensor can be used for fire alarm etc.；
(4) alarm sound in alarm unit selects module to be realized 9 feet and 10 of audible alarm chip U by 4 switches
The switching of foot level supply, thus realize the selection of different alarm sound, convenient use；
(5) power subsystem in alarm device of the present utility model directly from 220V alternating voltage through blood pressure lowering, rectification, voltage stabilizing
Being formed with filtering, volume is little, lightweight, low cost.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this utility model alarm device；
Fig. 2 is the circuit theory diagrams of this utility model alarm device.
In figure, 1 is power subsystem, and 2 is pyroelectric sensor sensing unit, and 3 is alarm control unit, and 4 is alarm unit.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
As it is shown in figure 1, a kind of alarm device based on pyroelectric sensor, this device includes power subsystem 1, and this warning fills
Put and also include pyroelectric sensor sensing unit 2, alarm control unit 3 and alarm unit 4, pyroelectric sensor sensing unit 2
Being all connected with power subsystem 1 with alarm control unit 3, pyroelectric sensor unit is also connected with alarm control unit 3, controlling alarm list
Unit 3 is provided with power control terminal and is connected to alarm unit 4, and power control terminal controls connection and the pass of alarm unit 4 working power
Disconnected.
Concrete, the circuit theory diagrams of this utility model alarm device are as shown in Figure 2.Power subsystem 1 includes that 220V exchanges
Power supply, fuse F, resistance R1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, diode D1, diode D2 and stabilivolt D3,
220V alternating current power supply one end is sequentially connected in series fuse F, resistance R1, electric capacity C1 and diode D2 anode, and diode D2 is cloudy
Pole forms the positive pole of power subsystem 1, and the 220V alternating current power supply other end connects as the negative pole of power subsystem 1, diode D1 anode
The negative pole of power subsystem 1, negative electrode connects diode D2 anode, and resistance R2 is parallel to electric capacity C1 two ends, and stabilivolt D3 anode connects
The negative pole of power subsystem 1, stabilivolt D3 negative electrode connects the positive pole of power subsystem 1, and electric capacity C2 and resistance R3 connects after being connected in parallel
Between the positive pole and the negative pole of power subsystem 1 of power subsystem 1.Wherein resistance R1 is RJ-1/2W type metalfilmresistor, resistance R2
All using RTX-1/8W type fixed carbon resister with resistance R3, electric capacity C1 is CBB-630V type polypropylene capacitor, and electric capacity C2 is CD11-
16V electrochemical capacitor, diode D1 and diode D2 are IN4007, and stabilivolt D3 is MA1062 stabilivolt.
Pyroelectric sensor sensing unit 2 includes pyroelectric sensor S1, and pyroelectric sensor S1 power supply positive and negative electrode is respectively
The corresponding positive and negative electrode connecting power subsystem 1, pyroelectric sensor S1 outfan is connected to alarm control unit 3, and in Fig. 2, heat is released
Electric transducer S1 power supply positive and negative electrode is respectively 1 foot and 3 feet of pyroelectric sensor S1, and pyroelectric sensor S1 outfan is heat
Release 2 feet of electric transducer S1.Alarm control unit 3 includes audion Q1 and relay, and pyroelectric sensor S1 outfan connects
Audion Q1 base stage, pyroelectric sensor S1 outfan is 2 feet of pyroelectric sensor S1 outfan in Fig. 2, audion Q1 collection
Electrode is connected to the positive pole of power subsystem 1 by the coil J of relay, and audion Q1 emitter stage connects the negative pole of power subsystem 1,
Switch K one end of relay connects the positive pole of power subsystem 1, and the switch K other end of relay is power control terminal.Relay
Coil J two ends are parallel with diode D4, diode D4 anode connecting triode Q1 colelctor electrode, and diode D4 negative electrode connects power supply list
The positive pole of unit 1.In the present embodiment, pyroelectric sensor S1 uses the extra small human body sensing assembly module containing Fresnel Lenses assembly,
The technical parameter of this modular assembly circuit is as follows: 1) running voltage: DC voltage DC6V～9V；2) level output: and power supply electricity
Press identical；3) sensing angle: horizontal direction 90～140 degree；Vertical direction 15～30 degree；4) no signal output: 0V；5) sensing away from
From: 0.5～15 meter；6) overall dimensions: 28mm × 38mm high 25 millimeters (peaks)；7) output level: 4V～6V and work electricity
It is pressed with pass.Therefore the present embodiment is reported to the police for human body sensing, report after pyroelectric sensor S1 detects human body information
Alert.Pyroelectric sensor S1 in pyroelectric sensor sensing unit 2 can be replaced as required, thus for different situations
Alarm, such as gas sensitization sensor, can be used for gas leakage alarm, Smoke Sensor can be used for fire alarm etc..
Alarm unit 4 includes audible alarm chip U, resistance R6, electric capacity C3, electric capacity C4, stabilivolt D7, light emitting diode
D5, light emitting diode D6, audion Q2 and speaker SP, audible alarm chip U is HFC9561B alarm chip, audible alarm core
Being connected in series resistance R6 between 1 foot and 2 feet of sheet U, 3 feet of audible alarm chip U are connected to controlling alarm list by electric capacity C3
The power control terminal of unit 3,3 feet of audible alarm chip U are additionally coupled to the negative pole of power subsystem 1, the power supply of alarm control unit 3
Controlling end and be additionally coupled to 8 feet of audible alarm chip U, 6 feet and the 7 feet correspondence respectively of audible alarm chip U pass through light-emitting diodes
Pipe D5 and light emitting diode D6 is connected to the power control terminal of alarm control unit 3, and electric capacity C4 is series at audible alarm chip U
3 feet and 4 feet between, audion Q2 base stage connect audible alarm chip U 4 feet, audion Q2 emitter stage connect audible alarm
3 feet of chip U, audion Q2 colelctor electrode connects the negative pole of speaker SP, and the positive pole of speaker SP connects alarm control unit 3
Power control terminal.Concrete stabilivolt D7 is MA1036 stabilivolt, and electric capacity C3 uses CD11-16V electrolysis condenser, and electric capacity C4 adopts
With 0.1 μ F monolithic capacitor, audion Q2 is 9013NPN audion, and speaker SP is YD100-1 type dynamic loudspeaker.
Alarm unit 4 also includes that alarm sound selects module, and this module includes switching P1, switch P2, switch P3 and switch
P4,9 feet of audible alarm chip U and 10 feet are corresponding respectively is connected to the 3 of audible alarm chip U by switch P1 and switch P2
Foot, 3 feet of audible alarm chip U are VSS, and 9 feet of audible alarm chip U and 10 feet are corresponding by switch P3 and switch also respectively
P4 is connected to the power control terminal of alarm control unit 3, and the power control terminal of alarm control unit 3 is that VDD, HFC9561B report to the police
Chip operating voltage is 2.4V～3.6V, can send during work police car acoustic-electric whistling, fire fighting truck electric whistle sound, machine gun sound, " ding-dong "
Double-tone sound, is determined by two of HFC9561B alarm chip combination lever selections, i.e. HFC9561B alarm chip 9 foot and
10 foot combination lever selections of HFC9561B alarm chip determine, as shown in table 1 below.During work, produced simulation sound effect is through C4
Amplifying rear drive speaker SP with the amplifying circuit of Q2 composition and send simulation sound effect, two light emitting diodes D5, D6 send simultaneously
A burst of flash of light.
Table 1 sound collecting end level and output audio relation
| 9 feet | 10 feet | Output audio |
| Unsettled | Unsettled | Police car acoustic-electric whistling |
| VDD | Unsettled | Fire fighting truck electric whistle sound |
| VSS | Unsettled | " ding-dong " double-tone sound |
| Arbitrarily | VDD | Machine gun sound |
The operation principle of this utility model alarm device is as follows:
After power subsystem 1 work, the pyroelectric sensor in pyroelectric sensor sensing unit 2 enters work shape of deploying to ensure effective monitoring and control of illegal activities
State, when in reconnaissance range without illegal invasion information, pyroelectric sensor S1 outfan is (in Fig. 2 the 2 of pyroelectric sensor S1
Foot) output low level so that coupled audion Q1 is in cut-off state, and the switch K of relay maintains normally open not
Becoming, alarm chip HFC9561B does not has a running voltage and the output of alarm free signal.
When pyroelectric sensor S1 detects illegal invasion information, its outfan output high level so that coupled
Audion Q1 be in saturation conduction state, the coil J of relay obtains electric, thus the switch K of relay Guan Bi, alarm chip
It is in running order that HFC9561B connects running voltage, by switch P1～P4 on off state, 9 feet of alarm chip HFC9561B
Presenting corresponding level with 10 feet, alarm chip HFC9561B sends according to the level of its 9 foot and 10 feet and exports audio accordingly
Signal, sound signal amplifies rear drive speaker SP through audion Q2 and sends simulation sound effect alarm signal.
Claims (7)
1. an alarm device based on pyroelectric sensor, this device includes power subsystem (1), it is characterised in that this warning
Device also includes pyroelectric sensor sensing unit (2), alarm control unit (3) and alarm unit (4), pyroelectric sensor sense
Answering unit (2) and alarm control unit (3) to be all connected with power subsystem (1), pyroelectric sensor unit is also connected with controlling alarm list
Unit (3), alarm control unit (3) is provided with power control terminal and is connected to alarm unit (4), and described power control terminal controls report
The on and off of alert unit (4) working power.
A kind of alarm device based on pyroelectric sensor the most according to claim 1, it is characterised in that described heat is released
Electric transducer sensing unit (2) includes pyroelectric sensor S1, described pyroelectric sensor S1 power supply positive and negative electrode correspondence respectively
Connecting the positive and negative electrode of power subsystem (1), pyroelectric sensor S1 outfan is connected to alarm control unit (3).
A kind of alarm device based on pyroelectric sensor the most according to claim 2, it is characterised in that described warning
Control unit (3) includes audion Q1 and relay, pyroelectric sensor S1 outfan connecting triode Q1 base stage, audion Q1
Colelctor electrode is connected to the positive pole of power subsystem (1) by the coil J of described relay, and audion Q1 emitter stage connects power supply list
The negative pole of unit (1), switch K one end of described relay connects the positive pole of power subsystem (1), the switch K other end of relay
For power control terminal.
A kind of alarm device based on pyroelectric sensor the most according to claim 3, it is characterised in that described relay
The coil J two ends of device are parallel with diode D4, diode D4 anode connecting triode Q1 colelctor electrode, and diode D4 negative electrode connects electricity
Source unit (1) positive pole.
A kind of alarm device based on pyroelectric sensor the most according to claim 1, it is characterised in that described warning
Unit (4) includes audible alarm chip U, resistance R6, electric capacity C3, electric capacity C4, stabilivolt D7, light emitting diode D5, light-emitting diodes
Pipe D6, audion Q2 and speaker SP, described audible alarm chip U is HFC9561B alarm chip, audible alarm chip U's
Being connected in series resistance R6 between 1 foot and 2 feet, 3 feet of audible alarm chip U are connected to alarm control unit (3) by electric capacity C3
Power control terminal, 3 feet of audible alarm chip U are additionally coupled to the negative pole of power subsystem (1), the electricity of alarm control unit (3)
Source controls end and is additionally coupled to 8 feet of audible alarm chip U, 6 feet of audible alarm chip U and 7 feet correspondence respectively by luminous two
Pole pipe D5 and light emitting diode D6 is connected to the power control terminal of alarm control unit (3), and electric capacity C4 is series at audible alarm core
Between 3 feet and 4 feet of sheet U, audion Q2 base stage connects 4 feet of audible alarm chip U, and audion Q2 emitter stage connects sound
3 feet of alarm chip U, audion Q2 colelctor electrode connects the negative pole of speaker SP, and the positive pole of speaker SP connects controlling alarm list
The power control terminal of unit (3).
A kind of alarm device based on pyroelectric sensor the most according to claim 5, it is characterised in that described warning
Unit (4) also includes that alarm sound selects module, and this module includes switching P1, switch P2, switch P3 and switch P4, audible alarm
9 feet of chip U and 10 feet corresponding 3 feet being connected to audible alarm chip U by switch P1 and switch P2, audible alarm core respectively
The most corresponding power supply control being connected to described alarm control unit (3) by switch P3 and switch P4 of 9 feet of sheet U and 10 feet
End processed.
A kind of alarm device based on pyroelectric sensor the most according to claim 1, it is characterised in that described power supply
Unit (1) include 220V alternating current power supply, fuse F, resistance R1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, diode D1,
Diode D2 and stabilivolt D3,220V alternating current power supply one end is sequentially connected in series fuse F, resistance R1, electric capacity C1 and two poles
Pipe D2 anode, diode D2 negative electrode forms the positive pole of power subsystem (1), and the 220V alternating current power supply other end is as power subsystem (1)
Negative pole, diode D1 anode connect power subsystem (1) negative pole, negative electrode connect diode D2 anode, resistance R2 is parallel to electricity
Holding C1 two ends, stabilivolt D3 anode connects the negative pole of power subsystem (1), and stabilivolt D3 negative electrode connects the positive pole of power subsystem (1),
Electric capacity C2 and resistance R3 is connected between the positive pole of power subsystem (1) and the negative pole of power subsystem (1) after being connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620519607.5U CN205722262U (en) | 2016-05-31 | 2016-05-31 | A kind of alarm device based on pyroelectric sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620519607.5U CN205722262U (en) | 2016-05-31 | 2016-05-31 | A kind of alarm device based on pyroelectric sensor |
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| Publication Number | Publication Date |
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| CN205722262U true CN205722262U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620519607.5U Expired - Fee Related CN205722262U (en) | 2016-05-31 | 2016-05-31 | A kind of alarm device based on pyroelectric sensor |
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| Country | Link |
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| CN (1) | CN205722262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530541A (en) * | 2016-12-07 | 2017-03-22 | 广西大学 | Delayed sound-and-light music doorbell |
-
2016
- 2016-05-31 CN CN201620519607.5U patent/CN205722262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530541A (en) * | 2016-12-07 | 2017-03-22 | 广西大学 | Delayed sound-and-light music doorbell |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20200531 |