CN207799849U - A kind of Internet of Things intelligent safety prevention warning system - Google Patents
A kind of Internet of Things intelligent safety prevention warning system Download PDFInfo
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- CN207799849U CN207799849U CN201820291448.7U CN201820291448U CN207799849U CN 207799849 U CN207799849 U CN 207799849U CN 201820291448 U CN201820291448 U CN 201820291448U CN 207799849 U CN207799849 U CN 207799849U
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Abstract
The utility model discloses a kind of Internet of Things intelligent safety prevention warning systems, solve the problems, such as that someone hovers on doorway or the residence time is grown, its key points of the technical solution are that, including wireless launcher, the wireless launcher is electrically connected with mobile terminal and alarm center, further includes power circuit and human body sensor for providing power supply；Charge-discharge circuit with the charging paths including concatenated switch element and energy-storage travelling wave tube and the discharge paths in the parallel connection of energy-storage travelling wave tube both ends, the control terminal of switch element and the output end of human body sensor connect, it is controlled by open signal conducting, is controlled by shutdown signal cut-off；The hot end of in-phase input end and energy-storage travelling wave tube connects, and inverting input inputs the comparator for having reference voltage；And connect with the output end of comparator, be controlled by the execution circuit of the output signal on or off wireless launcher of comparator, achieve the purpose that and alarm and remind owner.
Description
Technical field
The utility model is related to Smart Home technical field, more particularly to a kind of Internet of Things intelligent safety prevention warning system.
Background technology
Smart home is to utilize comprehensive wiring technology, security precautions technology, automatic control technology, sound using house as platform
Video technique by the related facility pole of home life at, the management system of structure efficiently housing facilities and family's schedule things,
Promote house security, convenience, comfort, artistry and the living environment for realizing environmental protection and energy saving.
At present about in security precautions technology, most of is all after stealer enters room, and camera can just be opened
It moves or stealer is shot, to be warned to stealer.However the place of security precautions technology meeting Shortcomings,
Because stealer is once enter after room, no matter either with or without alarm, stealer has just had the chance committed theft, and causes to place
Some articles in room still can be stolen away by stealer, i.e., may be smoothly when stealer is after hearing alarm
Some articles that taking away can steal are run again, so loss still can be brought to householder.
Utility model content
The purpose of this utility model is to provide a kind of property security against fire propagandizing device, have and alarm and remind owner
The advantages of.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of Internet of Things intelligence peace
Anti- alarm system, including wireless launcher, the wireless launcher are electrically connected with mobile terminal and alarm center, further include
Power circuit for providing power supply；Installation outdoors, for detection can there are human bodies in sensing range opens letter to export
Number or without human body to export the human body sensor of shutdown signal；With the charging branch for including concatenated switch element and energy-storage travelling wave tube
The charge-discharge circuit on road and discharge paths in the parallel connection of energy-storage travelling wave tube both ends, the control terminal of switch element and human body sensor it is defeated
Outlet connects, and is controlled by open signal conducting, is controlled by shutdown signal cut-off；The hot end of in-phase input end and energy-storage travelling wave tube
Connection, inverting input input the comparator for having reference voltage；And connect with the output end of comparator, it is controlled by comparator
The execution circuit of output signal on or off wireless launcher.
By using above-mentioned technical proposal, when human body sensor detects that someone stops around doorway or continuous someone passes through
When, human body sensor sends out open signal, and switching elements conductive, so that energy-storage travelling wave tube is carried out charging makes on the current potential of its hot end
It rises, and then the current potential of the in-phase input end of comparator is bigger than the reference voltage that inverting input inputs.The output end of comparator is defeated
Go out signal, execution circuit is made to be connected, and then the main circuit of wireless launcher is closed, to shifting of the wireless launcher to user
Dynamic terminal and alarm center send information.It is unmanned around doorway stop, residence time is few or continuously across people it is few when, people
Body sensor sends out shutdown signal, and switch element is not turned on；Or human body sensor first sends out open signal, switch element is led
Logical, so that energy-storage travelling wave tube is carried out charging makes the current potential of its hot end rise, and the current potential of the in-phase input end of comparator is more defeated than reverse phase
The reference voltage for entering end input is small.But it charges after the time of one end, the current potential of the in-phase input end of comparator is not also more defeated than reverse phase
The reference voltage for entering end input is big, and human body sensor just sends out shutdown signal, and switch element is not turned on, and comparator is not defeated at this time
Go out voltage.Electric energy in energy-storage travelling wave tube is discharged by discharge paths, and then wireless launcher is unaffected, to wirelessly send out
Injection device does not work.
The further setting of the utility model, the power circuit include transformer, and the secondary side for being coupled to transformer is used
In rectifier bridge stack and voltage stabilizing chip by AC rectification for direct current, between the input, output end and ground of voltage stabilizing chip
Capacitance is separately connected to filter off high order, low-order harmonic.
By using above-mentioned technical proposal, transformer T of the 220V alternating currents by decompression carries out the range of decrease to 220V alternating currents
Processing.The 220V alternating currents of range of decrease processing are passed through into rectifier bridge stack UR again, the 220V AC rectifications of range of decrease processing are direct current.
The direct current is flowed through into voltage stabilizing chip again, which filters off high order, low-order harmonic, exports 12V voltage stabilizings.
The further setting of the utility model, human body sensor are set as pyroelectric infrared sensor.
By using above-mentioned technical proposal, when someone stops or when by doorway, pyroelectric infrared sensor can sense
The infrared ray that human body issues, and then send out open signal.
The further setting of the utility model, the switch element are set as NPN type triode, the NPN type triode
Collector couples the output end of power module, the output of the base stage electrical connection pyroelectric infrared sensor of the NPN type triode
The emitter at end, the NPN type triode is electrically connected energy-storage travelling wave tube.
By using above-mentioned technical proposal, pyroelectric infrared sensor sends out open signal and sends out high level, makes base stage
In high potential, and then energy-storage travelling wave tube charges simultaneously for NPN type triode conducting；Pyroelectric infrared sensor sends out closing letter
Number i.e. send out low level, so that base stage is in high potential, and then NPN type triode is not turned on.If pyroelectric infrared sensor is first
It sends out open signal and sends out shutdown signal again, after NPN type triode is first connected and is or else connected, and then energy-storage travelling wave tube first charges
It discharges again.
The further setting of the utility model, the energy-storage travelling wave tube are capacitance.
By using above-mentioned technical proposal, when NPN type triode is connected, capacitance charges；When NPN type triode not
When conducting, capacitance discharges.
The further setting of the utility model, the discharge paths are resistance.
By using above-mentioned technical proposal, after capacitor charging, NPN type triode is not turned on, and capacitance is put by resistance
Electricity.The resistance value of the resistance is larger.
The further setting of the utility model, the execution circuit include N-channel enhancement mode FET and relay, institute
The output end for stating comparator is coupled to the grid of N-channel enhancement mode FET, the drain electrode of the N-channel enhancement mode FET
One end of the coil of relay is coupled, the coil other end of the relay is coupled to the output end of voltage stabilizing chip, the N-channel
The source electrode of enhanced field-effect tube is grounded, and the wireless launcher is coupled to the both ends of the normal open switch of relay.
By using above-mentioned technical proposal, capacitance charges, and the high potential of capacitance rises with the time of charging.When
The value of the current potential than the inverting input of comparator input have reference voltage it is high when, comparator output terminal can output signal, make N ditches
The grid of the enhanced field-effect tube in road is in high potential, N-channel enhancement mode FET conducting.The coil of relay is powered,
The normal open switch of relay is closed, and wireless launcher is started to work.
The further setting of the utility model, the wireless launcher are connected with camera device.
By using above-mentioned technical proposal, in the picture transmission to wireless launcher that camera device takes, wirelessly
Picture is emitted to alarm center and the mobile terminal of user by emitter.
In conclusion the utility model has the advantages that：
1, when doorway someone stops or someone hovers, wireless launcher is just started to work, and the work to give warning in advance is played
With；
2, picture is emitted to alarm center and user by the picture that camera device takes by wireless launcher
Mobile terminal, be convenient for remote monitoring doorway the case where.
Generally speaking the utility model plays the role of giving warning in advance, and protects the property safety of user.
Description of the drawings
Fig. 1 is the circuit diagram of the present embodiment；
Fig. 2 is the connection diagram of wireless launcher in the present embodiment.
Reference numeral：1, wireless launcher；12, power circuit；2, human body sensor；13, charge-discharge circuit；131, it opens
Close element；132, energy-storage travelling wave tube；14, comparator；15, execution circuit；16, discharge paths；3, camera device；4, in alarming
The heart；5, mobile terminal.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of Internet of Things intelligent safety prevention warning system, as depicted in figs. 1 and 2, the intelligent household security system include wireless
Emitter 1, wireless launcher 1 are used for remote transmission signal and remote transmission real-time pictures.It is equipped on the doorway of user
For detection can there are human bodies to export to export open signal or without human body the human sensing of shutdown signal in sensing range
Device 2.
Power circuit 12 is to use LM7812 voltage stabilizing chips for the regulator circuit of core, including become to 220V alternating currents and carry out
The transformer T of decompression, the secondary side for being connected to transformer T are used for the rectifier bridge stack UR that AC rectification is direct current, and
Capacitance C1, C2, C3, C4 are separately connected between the input, output end and ground of voltage stabilizing chip LM7812, LM7812 to filter off height
Secondary, low-order harmonic exports 12V voltage stabilizings.
Human body sensor 2 is set as pyroelectric infrared sensor piece P228.The power end of pyroelectric infrared sensor P228 connects
Connect the output end of power circuit 12, ground terminal ground connection；Switch element 131 is using NPN type triode Q1；Energy-storage travelling wave tube 132 is using electricity
Hold C5.The output end of the emitter coupling power circuit 12 of NPN type triode Q1, the base stage electric-connection thermal of NPN type triode Q1
The output end of electric infrared sensor P228 is released, one end of the pole electrode electrical connection capacitance C5 of NPN type triode Q1, capacitance C5's is another
One end is grounded.Discharge paths 16 are resistance R.One end of resistance R is electrically connected to the base stage of NPN type triode Q1, and resistance R's is another
End ground connection.The resistance value of resistance R is larger.
Execution circuit 15 includes N-channel enhancement mode FET Q2 and relay KM, and the output end of comparator 14 is coupled to N
The grid of channel enhancement field-effect tube Q2, the one of the coil KM of the drain electrode coupling relay of N-channel enhancement mode FET Q2
End, the other end of the coil KM of relay are coupled to the output end of voltage stabilizing chip LM7812, N-channel enhancement mode FET Q2's
Source electrode is grounded, and wireless launcher 1 is coupled to the both ends of the normal open switch km of relay.Wireless launcher 1 is connected with camera shooting
Head apparatus 3, wireless launcher 1 are connected with alarm center 4 and mobile terminal 5, and mobile terminal 5 includes user mobile phone or personal electricity
Brain.In the picture transmission that camera device 3 takes to wireless launcher 1, picture is emitted to alarm by wireless launcher 1
The mobile terminal 5 at center 4 and user.
When pyroelectric infrared sensor P228 detects that someone stops around doorway or continuous someone passes through, pyroelectricity is red
Outer sensor P228 sends out high level, and NPN type triode Q1 conductings, so that capacitance C5 is carried out charging makes on the current potential of its hot end
It rises, and then the current potential of the in-phase input end of comparator 14 is bigger than the reference voltage that inverting input inputs.The output of comparator 14
Output signal is held, N-channel enhancement mode FET Q2 conductings, the coil KM of relay is powered, to the normal open switch of relay
Km is closed, to which wireless launcher 1 starts to emit in picture and information to corresponding equipment.
It is unmanned around doorway stop, residence time is few or continuously across people it is few when, pyroelectric infrared sensor
P228 sends out low level, and NPN type triode Q1 is not turned on；Or pyroelectric infrared sensor P228 first sends out high level, NPN type
Triode Q1 conductings, so that capacitance C5 is carried out charging makes the current potential of its hot end rise, the electricity of the in-phase input end of comparator 14
Position is smaller than the reference voltage of inverting input input.But after a period of time of charging, the current potential of the in-phase input end of comparator 14
Reference voltage also not than inverting input input is big, and NPN type triode Q1 is not turned on, and comparator 14 is without output electricity at this time
Pressure.Electric energy in capacitance C5 is discharged by resistance R, and then the normal open switch km of relay is remained open, to wireless transmission
Device 1 does not work.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of Internet of Things intelligent safety prevention warning system, including wireless launcher (1), the wireless launcher (1) is electrically connected
It is connected to mobile terminal (5) and alarm center (4), which is characterized in that further include for providing the power circuit of power supply (12)；Installation
Outdoors, for detection can there are human bodies to export to export open signal or without human body the people of shutdown signal in sensing range
Body sensor (2)；With including concatenated switch element (131) and energy-storage travelling wave tube (132) charging paths and in energy-storage travelling wave tube
(132) charge-discharge circuit (13) of the discharge paths (16) of both ends parallel connection, the control terminal and human body sensor of switch element (131)
(2) output end connection, is controlled by open signal conducting, is controlled by shutdown signal cut-off；In-phase input end and energy-storage travelling wave tube
(132) hot end connection, inverting input input the comparator (14) for having reference voltage；And it is defeated with comparator (14)
Outlet connects, and is controlled by the execution circuit (15) of the output signal on or off wireless launcher (1) of comparator (14).
2. a kind of Internet of Things intelligent safety prevention warning system according to claim 1, which is characterized in that the power circuit
(12) include transformer, the secondary side for being coupled to transformer is used for the rectifier bridge stack that AC rectification is direct current, Yi Jiwen
Chip is pressed, is separately connected capacitance between the input, output end and ground of voltage stabilizing chip to filter off high order, low-order harmonic.
3. a kind of Internet of Things intelligent safety prevention warning system according to claim 2, which is characterized in that the human body sensor
(2) it is set as pyroelectric infrared sensor.
4. a kind of Internet of Things intelligent safety prevention warning system according to claim 3, which is characterized in that the switch element
(131) NPN type triode, the output end of the collector coupling power module of the NPN type triode, the NPN type three are set as
The output end of the base stage electrical connection pyroelectric infrared sensor of pole pipe, the emitter electrical connection energy storage member of the NPN type triode
Part (132).
5. a kind of Internet of Things intelligent safety prevention warning system according to claim 4, which is characterized in that the energy-storage travelling wave tube
(132) it is capacitance.
6. a kind of Internet of Things intelligent safety prevention warning system according to claim 5, which is characterized in that the discharge paths
(16) it is resistance.
7. a kind of Internet of Things intelligent safety prevention warning system according to claim 6, which is characterized in that the execution circuit
(15) include N-channel enhancement mode FET and relay, the output end of the comparator (14) is coupled to the enhanced field of N-channel
The grid of effect pipe, one end of the coil of the drain electrode coupling relay of the N-channel enhancement mode FET, the relay
The coil other end is coupled to the output end of voltage stabilizing chip, the source electrode ground connection of the N-channel enhancement mode FET, the wireless hair
Injection device (1) is coupled to the both ends of the normal open switch of relay.
8. a kind of Internet of Things intelligent safety prevention warning system according to claim 1, which is characterized in that the wireless transmission dress
It sets (1) and is connected with camera device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820291448.7U CN207799849U (en) | 2018-03-01 | 2018-03-01 | A kind of Internet of Things intelligent safety prevention warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820291448.7U CN207799849U (en) | 2018-03-01 | 2018-03-01 | A kind of Internet of Things intelligent safety prevention warning system |
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| Publication Number | Publication Date |
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| CN207799849U true CN207799849U (en) | 2018-08-31 |
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ID=63276615
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820291448.7U Active CN207799849U (en) | 2018-03-01 | 2018-03-01 | A kind of Internet of Things intelligent safety prevention warning system |
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| CN (1) | CN207799849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186796A (en) * | 2018-10-15 | 2019-01-11 | 江苏久创电气科技有限公司 | A kind of CT formula passive wireless temperature measuring device applied to switchgear |
-
2018
- 2018-03-01 CN CN201820291448.7U patent/CN207799849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186796A (en) * | 2018-10-15 | 2019-01-11 | 江苏久创电气科技有限公司 | A kind of CT formula passive wireless temperature measuring device applied to switchgear |
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