CN201425767Y - 980nm infrared laser transmitting alarm device - Google Patents
980nm infrared laser transmitting alarm device Download PDFInfo
- Publication number
- CN201425767Y CN201425767Y CN2009200520693U CN200920052069U CN201425767Y CN 201425767 Y CN201425767 Y CN 201425767Y CN 2009200520693 U CN2009200520693 U CN 2009200520693U CN 200920052069 U CN200920052069 U CN 200920052069U CN 201425767 Y CN201425767 Y CN 201425767Y
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- signal
- warning device
- infrared laser
- infrared
- emission
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- Alarm Systems (AREA)
Abstract
The utility model provides a 980nm infrared laser transmitting alarm device, which comprises an infrared laser transmitting plate and an infrared laser receiving plate, and is characterized in that aninfrared laser transmitting part at least comprises carriers of two wavelengths, the carrier of each wavelength is converted into the digital signal for transmitting, and the receiving plate receivesthe digital signal transmitted by the transmitting plate using interrupt mode, identifies the signal which is sent out by one point of the transmitter according to the received signal length and sends out the alarm signal through the alarm device according to the received signal. By adopting the infrared transmitting plate and the receiving plate for protecting and alarming, the anti-interferenceability is obviously improved, and the false alarm probability is greatly reduced under the premise of not making much change on the hardware equipment.
Description
[technical field]
The utility model relates to a kind of burglar alarm, particularly a kind of 980nm infrared laser emission warning device.
[background technology]
In the safe antitheft field, when effective identification robber person enters or run away from various inlets is a kind of very crucial premise ingredient, present correlation detector and fence type detector have satisfied this needs, become the main product in this field, be widely used in the occasion that exhibition room, bank, market, warehouse, station etc. need safety precaution.
Correlative detector on the market is of a great variety, and is narrow as taking precautions against facade, is mainly used in two/four light beam correlative detectors of enclosure wall warning method, and it is tall and big and be mainly used in the multiple beam fence type correlative detector of the warning strick precaution of outdoor door and window to take precautions against facade.
The basic functional principle of the said goods is roughly the same.That is: a whole set of products is cooperated by radiating portion and receiving unit and finishes, when radiating portion when receiving portion divides the ray of emission to be interdicted, export alert news immediately.But there is the high defective of false alarm probability in the said goods major part.
[summary of the invention]
The purpose of this utility model is to overcome above-mentioned deficiency, improves original technology, provides a kind of cost to remain unchanged substantially, rate of false alarm is low, the strong mutual-projection laser of antijamming capability pir intrusion detector.
To achieve these goals, a kind of 980nm infrared laser emission of the utility model warning device comprises infrared emission plate and infrared dash receiver, it is characterized in that: described infrared emission part comprises the carrier wave of two wavelength at least, and the carrier wave of each wavelength converts the digital signal emission to; Dash receiver adopts interrupt mode to receive the digital signal that expelling plate sends, and discerning according to the signal length that receives is certain signal that a bit sends of emission side, and according to what receive, dash receiver will send alerting signal by warning device.
Wherein, preferred version is: described carrier transmit circuit can adopt adjustable resistance that emissive power is adjusted.
Wherein, preferred version is: described carrier transmit device possesses the EDM Generator of Adjustable Duty Ratio function by 38K carrier transmit mode, utilizes the toggle switch (not shown) on the circuit board can realize 40%, 50%, 60%, 70% dutycycle.Be transferred to hour when dutycycle, reduce the bearing power of power valve, improved the power valve life time, life-span of the power valve of can delaying time and reduce current power dissipation.
Wherein, preferred version is: described expelling plate comprises powered battery, Alternating Current Power Supply and direct current supply module.
Wherein, preferred version is: described expelling plate is provided with a VISIBLE LIGHT EMISSION circuit, and alignment correction and horizontal line are aimed at during with convenient the installation.
Wherein, preferred version is: described warning device comprises overtime alarm module, the illegal alarm module of signal and destroys alarm module and is connected with receiver.
Wherein, preferred version is: described dash receiver possesses signal and aims at pilot lamp, behind expelling plate and dash receiver aligning, signal is aimed at the pilot lamp bright lamp of indication automatically, when transmit and received signal to after connecting, signal is aimed at the automatic bright lamp of warning light 650nm red globe lamp, also is equipped with LED received signal warning light on the dash receiver simultaneously in addition, when not receiving automatic bright lamp when transmitting, receive behind the signal LED collection of letters warning light and close automatically and enter power save mode.Two group of received pilot lamp are realized the automatic switch pattern, and the user can understand the working condition of equipment at any time.
Wherein, preferred version is: described dash receiver comprises the warning output of relay normally open or normally closed contact, RS485/TTL serial output, wireless module output.
Wherein, preferred version is: described dash receiver comprises powered battery, Alternating Current Power Supply and direct current supply module.
Advantage of the present utility model: do not needing hardware device is done under the prerequisite of too big change, employing infrared emission plate and dash receiver are taken precautions against and are reported to the police, and antijamming capability is obviously improved, and greatly reduce the wrong report probability.
[description of drawings]
Fig. 1 is the structure principle chart of a kind of 980nm infrared laser of the utility model correlation warning device.
[embodiment]
As shown in Figure 1, a kind of 980nm infrared laser of the utility model correlation warning device comprises infrared emission plate 1 and infrared dash receiver 2, wherein, infrared emission plate 1 comprises having four carrier transmit devices 11,12,13,14 connect radiating circuit 111,121,131,141 and four digital signal converter 112,122,132,142, carrier transmit device 11,12,13, the carrier wave of 14 emission 38K, the light signal that to launch certain wavelength by digital signal converter 12 converts the digital signal emission to and transmits, carrier signal as carrier transmit device 11 emission 1ms durations is converted to digital signal 1 by digital signal converter 112, the carrier signal of carrier transmit device 11 emission 0.5ms durations is converted to digital signaling zero by digital signal converter 12, distinguish different carrier transmitter 11 thus, 12,13,14, expelling plate can connect four road transmitter units at most, and adopted different digital signals, to do corresponding identification.When inserting four road transmitter units, adopt the repeating query radiation pattern.
Described dash receiver 2 comprises No. four receivers 21,22,23,24, the digital signal that the infrared signal that receiver 21 adopts interrupt mode reception expelling plate 1 to send converts to, it is certain signal that a bit sends of emission side that the receiving circuit 211,221,231,241 of receptacle 21,22,23,24 is discerned according to the length of the digital signal that receives, receiving circuit 211,221,231,241 is judged the correctness of signal in view of the above, when signal is non-legal signal, receiving circuit 211,221,231,241 will send alerting signal by warning device 25.Therefore, communication expelling plate 1 and dash receiver 2 join can, promptly realized the function of infrared alarm.
Described carrier transmit circuit 111 can adopt adjustable resistance that emissive power is adjusted.
Described carrier transmit device 11 possesses the EDM Generator of Adjustable Duty Ratio function by 38K carrier transmit mode, utilizes the toggle switch (not shown) on the circuit board can realize 40%, 50%, 60%, 70% dutycycle.When dutycycle hour, be transferred to hour when dutycycle, reduce the bearing power of power valve, improved the LASER Discharge Tube life time, life-span of the power valve of can delaying time and reduce current power dissipation.
Described expelling plate 1 also comprises powered battery, Alternating Current Power Supply and direct current supply module.
Described expelling plate 1 also is provided with a VISIBLE LIGHT EMISSION circuit 111, alignment correction during with convenient the installation.
Described dash receiver 2 has maximum No. four receiving circuits, can discern the legitimacy of received signal.
Described warning device 25 possesses overtime alarm module, the illegal alarm module of signal and destruction alarm module and is connected with receiver 21.
Described dash receiver 2 possesses signal and aims at pilot lamp 22, and behind expelling plate 1 and dash receiver 2 alignings, signal is aimed at the bright lamp of pilot lamp 22 indications, thereby makes things convenient for equipment to aim at.
Described dash receiver 2 comprises the warning output of relay normally open or normally closed contact, RS485/TTL serial output, wireless module output.
Described powered battery, Alternating Current Power Supply and the direct current supply module of also comprising.
The utility model has only exemplified the embodiment of four corresponding four receiving circuits of radiating circuit, and one two emission receives and is not repeated.
Advantage of the present utility model: do not needing hardware device is done under the prerequisite of too big change, employing infrared emission plate 1 and dash receiver 2 are taken precautions against and are reported to the police, and antijamming capability is obviously improved, and greatly reduce the wrong report probability.
The above person only is the utility model product most preferred embodiment, is not to be used to limit scope of the present utility model, and all equivalences of being done according to the utility model claim change or modify, and are all the utility model and contain.
Claims (9)
1, a kind of 980nm infrared laser correlation warning device comprises infrared emission plate and infrared dash receiver, it is characterized in that: described infrared emission part comprises the carrier wave of two wavelength at least, and the carrier wave of each wavelength converts the digital signal emission to; Dash receiver adopts interrupt mode to receive the digital signal that expelling plate sends, and discerning according to the signal length that receives is certain signal that a bit sends of emission side, and according to what receive, dash receiver will send alerting signal by warning device.
2,980nm infrared laser correlation warning device as claimed in claim 1, it is characterized in that: described carrier transmit circuit can adopt adjustable resistance that emissive power is adjusted.
3,980nm infrared laser correlation warning device as claimed in claim 1, it is characterized in that: described carrier transmit device is by 38K carrier transmit mode, possess the EDM Generator of Adjustable Duty Ratio function, utilize the toggle switch on the circuit board can realize 40%, 50%, 60%, 70% dutycycle.
4,980nm infrared laser correlation warning device as claimed in claim 1, it is characterized in that: described expelling plate comprises powered battery, Alternating Current Power Supply and direct current supply module.
5, a kind of 980nm infrared laser correlation warning device as claimed in claim 1, it is characterized in that: described expelling plate is provided with a VISIBLE LIGHT EMISSION circuit, alignment correction during with convenient the installation.
6,980nm infrared laser correlation warning device as claimed in claim 1 is characterized in that: described warning device possesses overtime alarm module, the illegal alarm module of signal and destroys alarm module.
7, the 980nm infrared laser is launched warning device according to claim 1, it is characterized in that: described dash receiver possesses signal and aims at pilot lamp, when transmit and received signal to after connecting, signal is aimed at the automatic bright lamp of warning light 650nm red globe lamp, also be equipped with LED received signal warning light on the dash receiver simultaneously in addition, when not receiving automatic bright lamp when transmitting, receive behind the signal LED collection of letters warning light and close automatically and enter power save mode.
8, infrared emission warning device as claimed in claim 1 is characterized in that: described dash receiver comprises the warning output of relay normally open or normally closed point, RS485/TTL serial output, wireless module output.
9,980nm infrared laser emission warning device as claimed in claim 1, it is characterized in that: described dash receiver comprises powered battery, Alternating Current Power Supply and direct current supply and solar powered module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200520693U CN201425767Y (en) | 2009-03-04 | 2009-03-04 | 980nm infrared laser transmitting alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200520693U CN201425767Y (en) | 2009-03-04 | 2009-03-04 | 980nm infrared laser transmitting alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425767Y true CN201425767Y (en) | 2010-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200520693U Expired - Lifetime CN201425767Y (en) | 2009-03-04 | 2009-03-04 | 980nm infrared laser transmitting alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425767Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018009A (en) * | 2012-12-12 | 2013-04-03 | 中国人民解放军总装备部军械技术研究所 | Simulation detection device and simulation detection method of laser warning device |
| CN103763031A (en) * | 2014-01-27 | 2014-04-30 | 惠州Tcl移动通信有限公司 | Communication terminal and communication system achieving communication through visible light |
| CN106408826A (en) * | 2016-11-09 | 2017-02-15 | 中科融通物联科技无锡股份有限公司 | Mini-type mobile portable bayonet alarm |
-
2009
- 2009-03-04 CN CN2009200520693U patent/CN201425767Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018009A (en) * | 2012-12-12 | 2013-04-03 | 中国人民解放军总装备部军械技术研究所 | Simulation detection device and simulation detection method of laser warning device |
| CN103018009B (en) * | 2012-12-12 | 2015-08-19 | 中国人民解放军总装备部军械技术研究所 | Laser warning equipment analoging detecting device and analog detecting method |
| CN103763031A (en) * | 2014-01-27 | 2014-04-30 | 惠州Tcl移动通信有限公司 | Communication terminal and communication system achieving communication through visible light |
| CN106408826A (en) * | 2016-11-09 | 2017-02-15 | 中科融通物联科技无锡股份有限公司 | Mini-type mobile portable bayonet alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN DA'AO TIMES LASER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TAN BIN Effective date: 20120911 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 524400 ZHANJIANG, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120911 Address after: Longgang District of Shenzhen City, Guangdong province 518000 Longgang Street South Community line Lo Wai No. 53 401 Patentee after: Shenzhen Daao Times Laser Technology Co., Ltd. Address before: 524400, No. 51, foot village, Tsing Ping Town, Lianjiang, Guangdong Patentee before: Tan Bin |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100317 |