CN203858724U - Infrared alarm based on single-chip microcomputer - Google Patents
Infrared alarm based on single-chip microcomputer Download PDFInfo
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- CN203858724U CN203858724U CN201420271318.9U CN201420271318U CN203858724U CN 203858724 U CN203858724 U CN 203858724U CN 201420271318 U CN201420271318 U CN 201420271318U CN 203858724 U CN203858724 U CN 203858724U
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- alarm
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- chip microcomputer
- music
- intrusion detector
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses an infrared alarm based on a single-chip microcomputer, and belongs to the technical field of electronic equipment. Problems of inconvenient remote control, single warning music, and dependence on an external power supply etc. of a passive type infrared alarm are mainly solved. The alarm includes a pyroelectric sensor, a pyroelectric signal processing chip, a bluetooth module, the single-chip microcomputer, a music chip, and a Fresnel lens, the pyroelectric signal processing chip, the bluetooth module, and the music chip are respectively connected with the single-chip microcomputer, and a photosensitive surface of the pyroelectric sensor is positioned on a focal plane of the Fresnel lens. The infrared alarm is advantaged by small size and light weight, the alarm can be applicable to safety guard outside tents during outdoor camping, the alarm can also change the music to a guest welcome mode and is used as a doorbell, and the alarm can also serve as an infrared module with a bluetooth function and build a complex system.
Description
Technical field
The utility model belongs to technical field of electronic equipment, specifically, relates to a kind of intruder's warning device, particularly a kind of passive infrared alarm of the invasion energy effect by heat or optical radiation.
Background technology
Infrared intrusion alarm unit divides active probe and passive detection, and further, passive detection alarm, by the infrared radiation of acquisition environment, focuses on through optical system, makes pyroelectric electric device produce sudden change electric signal, thereby sends alarm sound or light signal.
Existing scheme is as CN203386315U patent " a kind of SCM Based Infrared intrusion detector ", it is the Infrared intrusion detector based on gsm module, in the time having people near house, infrared sensor can collect information and be sent to single-chip microcomputer, single-chip microcomputer makes alarm send warning after processing, and sends intrusion alarm note to room security simultaneously.Its defect is, the one, and type of alarm is single, can only pass through GSM SMS alarm.The 2nd, its alerting signal provides by gsm system, need to pay extra running cost.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect, provide one can carry out control and receiving alarm by bluetooth equipments such as mobile phones, without external power supply, the optional passive infrared alarm of alarm music.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The utility model comprises with lower component: comprise pyroelectric sensor, pyroelectricity signal processing chip, bluetooth module, single-chip microcomputer, Music Clip, Fresnel Lenses, loudspeaker, power module; Described pyroelectricity signal processing chip, bluetooth module, Music Clip are connected with single-chip microcomputer respectively.Described pyroelectricity signal processing chip, bluetooth module, Music Clip are connected with single-chip microcomputer respectively, on position, on the focal plane of the photosurface of pyroelectric sensor in Fresnel Lenses.
Circuit part principle of work is as follows: circuit block diagram as shown in Figure 1, pyroelectric sensor and Fresnel Lenses composition photodetection and opto-electronic conversion, in the time having human or animal to enter sensing range, pyroelectric sensor sends signal, it is processed and amplify after via pyroelectricity signal processing chip, thereafter signal is transmitted to single-chip microcomputer, single-chip microcomputer, according to control program, utilizes Music Clip to play out alarm sound.Simultaneously single-chip microcomputer also sends signal to bluetooth module, and bluetooth module can be realized communicating by letter of alarm and the bluetooth equipment such as mobile phone, ipad, thereby makes alarm to send alerting signal to mobile phone, and accepts the control of mobile phone.
On controlling, utilize the switch of alarm end and button can realize the switch of controlling alarm, select music function or alarm function, switch different music, regulate the size of speaker volume, and arrange whether allow bluetooth equipment control.
In order to improve detection receiving sensitivity, utilize Fresnel Lenses to realize and produce " blind area " and " highly sensitive district " alternately changing in detector front.In the selection of Fresnel Lenses, available hemispheric lens, form after also can bending to a cambered surface by planar Fresnel lens.
For reducing equipment volume, select battery as power supply, in the selection of battery, can be formed by No. 7 dry cell series connection of three joints, also can be formed by some joint 18650 lithium batteries parallel connections, or be formed by a lithium battery bag.
The selection of various modules and chip is as follows: Dan Pinji is including but not limited to stc15f204 chip.Bluetooth module is including but not limited to as bluetooth 4.0 BLE modules.Music Clip is including but not limited to sd8608 Music Clip.Pyroelectricity signal processing chip is including but not limited to BISS0001 chip.
The utility model has following beneficial effect:
(1) this passive infrared alarm volume is little, lightweight, can use battery operated, without external power supply;
(2) this passive infrared alarm both can arrange and control on alarm, also can arrange and control containing on the equipment of Bluetooth function at mobile phone, ipad etc.;
(3) this passive infrared alarm can, by alerting signal by bluetooth module, send to the equipment containing Bluetooth function such as long-range mobile phone, ipad etc.
(4) multiple music that the Music Clip of this passive infrared alarm is integrated, can, according to operator's setting, play alarm song, welcome sound, multiple music.Not only can be used as alarm and use, also switch to and welcome voice to realize doorbell function.
Brief description of the drawings
Fig. 1 is Infrared intrusion detector circuit block diagram in the utility model.
Fig. 2 is Infrared intrusion detector decomposing schematic representation in the utility model-embodiment.
Wherein, the corresponding title of Reference numeral: 1-housing protecgulum, 2-housing bonnet, 3-Fresnel Lenses, 4-Infrared intrusion detector circuit board, 5-supplying cell, 6-loudspeaker, 7-grooved connecting interface, 8-pyroelectric sensor, 9-pyroelectricity signal processing chip, 10-bluetooth module, 11-single-chip microcomputer, 12-Music Clip, 13-power module, 14-revolves post connecting interface.
Embodiment
Below in conjunction with accompanying drawing 2, the utility model is described in further detail.Embodiment of the present utility model includes but not limited to the following example.
The present embodiment provides a kind of SCM Based Infrared intrusion detector, this alarm by housing protecgulum 1, housing bonnet 2, spherical Fresnel lens 3, Infrared intrusion detector circuit board 4, supplying cell 5, loudspeaker 6, grooved connecting interface 7, revolve post connecting interface 14 etc. and form.Wherein, on Infrared intrusion detector circuit board, comprise pyroelectric sensor 8, pyroelectricity signal processing chip 9, bluetooth module 10, single-chip microcomputer 11, Music Clip 12, power module 13.Each position position relationship is as follows: on the photosurface of the focal plane of spherical Fresnel lens in pyroelectric sensor, Infrared intrusion detector circuit board is fixed on housing front end inner chamber, loudspeaker is fixed on cover cavity upper end after housing, battery compartment is positioned at cover cavity lower end after housing, and grooved and the connecting interface that revolves two kinds of modes of column type lay respectively at hull outside and housing bottom.
On Infrared intrusion detector circuit board, part of module and chip type selecting are as follows: pyroelectric sensor is selected kp500b, and pyroelectricity signal processing chip is selected BISS0001 chip, and bluetooth module is selected bluetooth 4.0 BLE modules, and Music Clip is selected sd8608 Music Clip.
The battery part of this alarm adopts No. 7 dry cells series connection of three joints, and battery is contained in the battery compartment that is positioned at cover cavity lower end after housing.
For the ease of the placement in use of this alarm, it has two kinds of external connection interface section.The first connecting interface is for revolving post connecting interface, and it has a nut bore at low side, can use A-frame to screw in nut bore and place; The second connecting interface is grooved connecting interface, and it leaves two holes at two ends, side, housing rear end, can use with the bungee of hook walk around be connected to after stationary support on groove or hole, realize fixing.
The Fresnel Lenses of this alarm, forms after bending to a cambered surface by planar Fresnel lens.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on above-mentioned design concept; for solving same technical matters; even if some that make on architecture basics disclosed in the utility model are without substantial change or polishing; the essence of the technical scheme adopting is still the same with the utility model, therefore it also should be at protection domain of the present utility model.
Claims (5)
1. a SCM Based Infrared intrusion detector, it is characterized in that, comprise pyroelectric sensor, pyroelectricity signal processing chip, bluetooth module, single-chip microcomputer, Music Clip, Fresnel Lenses, described pyroelectricity signal processing chip, bluetooth module, Music Clip are connected with single-chip microcomputer respectively, on position, on the focal plane of the photosurface of pyroelectric sensor in Fresnel Lenses.
2. SCM Based Infrared intrusion detector according to claim 1, is characterized in that, it also comprises loudspeaker, power module.
3. SCM Based Infrared intrusion detector according to claim 1, it is characterized in that, described single-chip microcomputer is a kind of integrated circuit (IC) chip, the functions such as central processor CPU, random access memory ram, ROM (read-only memory), multiple I/O mouth and interrupt system, timer/counter that it is integrated, can realize the control to external unit.
4. SCM Based Infrared intrusion detector according to claim 2, it is characterized in that, described power module provides the direct supply of 0-5v for single-chip microcomputer and bluetooth module, it is formed by No. 7 dry cell series connection of three joints, also can be formed by some joint 18650 lithium batteries parallel connections, or be formed by a lithium battery bag.
5. SCM Based Infrared intrusion detector according to claim 2, is characterized in that, described Fresnel Lenses can be hemispheric lens and forms, or forms after can bending to a cambered surface by planar Fresnel lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271318.9U CN203858724U (en) | 2014-05-24 | 2014-05-24 | Infrared alarm based on single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271318.9U CN203858724U (en) | 2014-05-24 | 2014-05-24 | Infrared alarm based on single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858724U true CN203858724U (en) | 2014-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271318.9U Expired - Fee Related CN203858724U (en) | 2014-05-24 | 2014-05-24 | Infrared alarm based on single-chip microcomputer |
Country Status (1)
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| CN (1) | CN203858724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903496A (en) * | 2019-03-15 | 2019-06-18 | 四川长虹电器股份有限公司 | A kind of intruding detection system and method based on 5.0 transmission technology of bluetooth |
-
2014
- 2014-05-24 CN CN201420271318.9U patent/CN203858724U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903496A (en) * | 2019-03-15 | 2019-06-18 | 四川长虹电器股份有限公司 | A kind of intruding detection system and method based on 5.0 transmission technology of bluetooth |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20170524 |