CN202711394U - Door magnet with infrared induction - Google Patents
Door magnet with infrared induction Download PDFInfo
- Publication number
- CN202711394U CN202711394U CN 201220350557 CN201220350557U CN202711394U CN 202711394 U CN202711394 U CN 202711394U CN 201220350557 CN201220350557 CN 201220350557 CN 201220350557 U CN201220350557 U CN 201220350557U CN 202711394 U CN202711394 U CN 202711394U
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- CN
- China
- Prior art keywords
- door
- window
- signal
- magnet
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a door magnet with infrared induction, wherein the door magnet is composed of a signal emitter and a magnet; a circuit in the door magnet mainly comprises a signal emitting circuit and a single chip micro-computer; the single chip micro-computer is used for controlling the signal emitting circuit; the door magnet is characterized by further comprising an infrared detector; a reed switch is arranged in the signal emitter; and the reed switch is a magnetic induction switch part. Compared with the prior art, the infrared detector is additionally arranged, so that the door magnet is installed on a door or a window; by utilizing induction of the infrared detector, the condition that the door and the window are opened and closed inwards or outwards by a user can be clearly distinguished; and the false alarm possibility when the door and the window are opened inwards by the user is avoided.
Description
Technical field
The utility model relates to security protection burglar alarm technical field, and what be specifically related to is a kind of band infrared induction door magnetic, and it is mainly used in door window antitheft warning facility system of family.
Background technology
Door magnetic generally uses in the security alarm industry, and its ultimate principle is to come the on off state of tongue tube in the control gate magnetic by the distance between magnet and the door magnetic.Then the signal projector of door in the magnetic was to the address code of main frame emission door magnetic when the on off state of tongue tube changed, and alarm host machine is carried out corresponding flow processing after receiving this signal.
After being loaded on family's door and window for existing traditional door abampere; in use; no matter be when inside door and window outside or door and window, opening door and window; capital trigger pip transmitter transmits; namely launch the address code of door magnetic to alarm host machine; after alarm host machine is received corresponding signal, usually can produce false alarm, use very inconvenient.
For this reason, after urgent need will be developed a kind of induction door abampere and is contained in family's door and window, can distinguish be owner from the door and window the inside or the door and window outside do not produce false alarm when opening, and rate of precision is high, this case is given birth to therefrom.
Summary of the invention
The purpose of this utility model provides a kind of band infrared induction door magnetic, and it can be distinguished is owner from the door and window the inside or during door and window outside open and close door and window, can accomplish the round-the-clock unlatching of alarm host machine and does not produce the false alarm accuracy rate.
The utility model is achieved through the following technical solutions: band infrared induction door magnetic, formed by signal projector and magnet, and main circuit will comprise signal transmission circuit and single-chip microcomputer in it; Single-chip microcomputer is used for the control signal radiating circuit, it is characterized in that: also include infrared eye; Be provided with tongue tube in the signal projector, described this tongue tube is a kind of magnetic induction switch parts.
Described signal projector encoder type is that fixed code adopts the PT2262 chip.
Described single-chip microcomputer is electrically connected with infrared eye and signal projector respectively.
The beneficial effects of the utility model embody and are: compared with prior art, the utility model is by setting up infrared eye, so that this magnetic is installed on the door and window, utilize the infrared eye induction, can clearly distinguish is the user from the door and window the inside or door and window outside open and close door and window, and that avoids producing when opening in the door and window because of the user false alarm may.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is the utility model schematic diagram.
Classify down the concrete title of each sign among the figure as: 1 battery, 2 infrared eyes, 3 single-chip microcomputers, 4 signal projectors.
Embodiment
As shown in Figure 1, band infrared induction door magnetic is comprised of signal projector 4 and magnet, wherein also includes infrared eye 2, and main circuit will comprise signal transmission circuit and single-chip microcomputer in it; Band infrared induction door magnetic and alarm host machine are used in conjunction with, and fully play anti-theft function; Single-chip microcomputer 3 is used for the control signal radiating circuit, is provided with tongue tube in the signal projector 4, and described this tongue tube is a kind of magnetic induction switch parts.
The utility model door magnetic adopts layer-built battery 1 power supply of DC9V, its working current is below 100 microamperes, frequency of operation is 315MHz～433 MHz, be operated in 0～+ 60 ℃ the working environment, signal projector 4 encoder type are that fixed code adopts the PT2262 chip, and the door magnetic emission retention time is 2-3 second.
The utility model door magnetic machine is installed on respectively the position, both sides of door and window, when the user needs to open or close the doors and windows in door and window, the user near one meter of this magnetic with interior apart from the time, infrared eye 2 will detect human body from the close signal of interior survey, synchronous signal transmitter 4 receives autoshutdown signal transmission circuit behind this signal, at this moment, open or the safety of closing the doors and windows very can 4 work of trigger pip transmitter, the alarm that namely is connected with this magnetic does not produce warning work; After the people left, infrared eye 2 did not detect human body signal, and signal projector 4 automatic opening signal emission functions make signal transmission circuit in running order.
Otherwise, after door and window is opened by force by the outside, and infrared eye 2 did not detect human body at all and entered the interior signal of regional extent this moment, therefore the signal transmission circuit in the signal projector 4 is in running order, at this moment, signal projector 4 separates with magnet, and the tongue tube in the signal projector 4 is lost magnetism, automatic cutout is trigger pip transmitter wireless signal emission in the alarm host machine thus, makes alarm immediately produce warning work.
The utility model door magnetic takes full advantage of the infrared induction detector to the induction in the human body certain limit, thereby avoids thief forced to open the possibility that door and window enters into indoor theft outside door and window, does not produce false alarm, and the warning accuracy rate is high.
Claims (2)
1. band infrared induction door magnetic is comprised of signal projector and magnet, and main circuit will comprise signal transmission circuit and single-chip microcomputer in it; Single-chip microcomputer is used for the control signal radiating circuit, it is characterized in that: also include infrared eye; Be provided with tongue tube in the signal projector, this tongue tube is a kind of magnetic induction switch parts; Described single-chip microcomputer is electrically connected with infrared eye and signal projector respectively.
2. band infrared induction door magnetic according to claim 1 is characterized in that: the signal projector encoder type is that fixed code adopts the PT2262 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350557 CN202711394U (en) | 2012-07-19 | 2012-07-19 | Door magnet with infrared induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220350557 CN202711394U (en) | 2012-07-19 | 2012-07-19 | Door magnet with infrared induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202711394U true CN202711394U (en) | 2013-01-30 |
Family
ID=47591675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220350557 Expired - Fee Related CN202711394U (en) | 2012-07-19 | 2012-07-19 | Door magnet with infrared induction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202711394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107369280A (en) * | 2017-09-18 | 2017-11-21 | 深圳市银河风云网络系统股份有限公司 | A kind of door magnetism device |
| CN112750290A (en) * | 2015-02-23 | 2021-05-04 | 生态互联智能科技公司 | Intelligent barrier alarm device |
-
2012
- 2012-07-19 CN CN 201220350557 patent/CN202711394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112750290A (en) * | 2015-02-23 | 2021-05-04 | 生态互联智能科技公司 | Intelligent barrier alarm device |
| CN107369280A (en) * | 2017-09-18 | 2017-11-21 | 深圳市银河风云网络系统股份有限公司 | A kind of door magnetism device |
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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 |
Granted publication date: 20130130 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |