CN204087403U - A kind of structure of intrusion detector - Google Patents
A kind of structure of intrusion detector Download PDFInfo
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- CN204087403U CN204087403U CN201420501116.9U CN201420501116U CN204087403U CN 204087403 U CN204087403 U CN 204087403U CN 201420501116 U CN201420501116 U CN 201420501116U CN 204087403 U CN204087403 U CN 204087403U
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Abstract
The utility model relates to a kind of structure of intrusion detector, comprise the shell surrounded by lighttight face-piece and lower cover, pcb board is in the enclosure set, pcb board is provided with infrared receiver module and signal processing module, be arranged on the Fresnel Lenses on face-piece, Fresnel Lenses is entrenched on face-piece, receive extraneous infrared ray and enter into infrared receiver module, pcb board is also provided with microwave sensor module, microwave sensor module comprises the oscillator producing microwave signal, the Microwave emission circuit that microwave signal is launched, the microwave receiving circuit receiving microwave signal and the treatment circuit that the microwave signal received is processed, the antenna that Microwave emission circuit and microwave receiving circuit adopt.Because infrared intrusion detector has lower rate of failing to report, and microwave detector has lower rate of false alarm, and like this by processor both advantage comprehensive, the performance of intrusion detector will improve greatly.
Description
Technical field
The utility model relates to the structure of intrusion detector.
Background technology
Intrusion detector is the fore device in intrusion alarm system, be made up of various detector, it is the haptic of intrusion alarm system, be equivalent to the eyes of people, nose, ear, skin etc., the change of the various physical quantity such as temperature, humidity, smell, energy at perception scene, and convert it to be suitable for transmitting electric signal according to certain rule.
Intrusion alarm detector is used for the device that the movement of detecting intrusion person or the chance electronics of other actions and mechanical part form specially.It is normally made up of various types of sensor and signal processing circuit, is also called intrusion detector.
Intrusion alarm detector is placed in the scene of strick precaution, is used for detecting required target of reporting to the police.The change of the various forms of physical quantitys perceived (as light intensity, the sound, pressure, frequency, temperature, vibration etc.) can be changed into the change of the electric signal (as voltage, electric current) meeting alarm controller processing requirements by it, and then starts alarm device by alarm controller.
Intrusion alarm detector is Intrusion Detection Alarm System importation foremost, also be the key component in whole warning system, it decides the reliability of the performance of warning system, purposes and warning system on very large program, the determinative reducing wrong report and fail to report, because alarm controller sends warning according to detector output signal (being generally switching signal).Various types of intrusion detector utilizes different principles to carry out the detection of a target, as human motion, glass breaking, object vibration, Switch for door and window, sound etc., these information got are carried out suitable process and Logic judgment by detector circuit, then export the signal starting and report to the police to alarm controller.
According to the difference of sensor in detector, intrusion detector can be divided into: can be divided into the two technology detector of radar type microwave detector, microwave wall-detector, active infrared detection device, passive type infrared eye, switching regulator detector, ultrasonic detector, voice activated detector, vibration detector, glass break detection device, electric field induction detector, capacitance variations detector, video detector, microwave-passive infrared, the two technology detector of ultrasound wave-passive infrared etc.
But, no matter these intrusion detectors are microwave detector initiatively or passive pyroscan, are not have higher rate of failing to report to be exactly higher rate of false alarm, effectively can not reduce the rate of misrepresenting deliberately.
Utility model content
Problem to be solved in the utility model is, provides a kind of structure with the novel intrusion detector of infrared ray sensor and microwave remote sensor.
The technical scheme that the utility model adopts is: a kind of structure of intrusion detector, comprise the shell surrounded by lighttight face-piece and lower cover, pcb board is in the enclosure set, described pcb board is provided with infrared receiver module and signal processing module, be arranged on the Fresnel Lenses on face-piece, described Fresnel Lenses is entrenched on described face-piece, receive extraneous infrared ray and enter into described infrared receiver module, described pcb board is also provided with microwave sensor module, described microwave sensor module comprises the oscillator producing microwave signal, the Microwave emission circuit that microwave signal is launched, the microwave receiving circuit receiving microwave signal and the treatment circuit that the microwave signal received is processed, the antenna that described Microwave emission circuit and microwave receiving circuit adopt.
Because infrared intrusion detector has lower rate of failing to report, and microwave detector has lower rate of false alarm, and like this by processor both advantage comprehensive, the performance of intrusion detector will improve greatly.
In the technical solution of the utility model, also have following priority scheme:
In microwave sensor module described on pcb board, oscillator, Microwave emission circuit and microwave receiving circuit are arranged in a shielding box, antenna is arranged on outside shielding box, and described shielding box is a crown cap covering on described oscillator, Microwave emission circuit and microwave receiving circuit.Because microwave belongs to high-frequency signal, after adopting a shielding box, can reduce other signal as, the signal that infrared receiver module produces is to its interference.
In described shell, described Fresnel Lenses and pcb board are arranged on a mounting bracket, described mounting bracket is " L ", and Fresnel Lenses is arranged on the Upper vertical part of mounting bracket, and the lower end of pcb board is embedded on mounting bracket lower horizontal portion.Such mounting bracket is adopted to make in shell compacter.
Pcb board is provided with state display lamp, and described state display lamp is sent to outside shell by the light-guiding pillar be embedded on face-piece.Light-guiding pillar is adopted to make more elegant in appearance.
Infrared receiver module and signal processing module are also provided with radome.Also comprise lenslet, described lenslet is arranged on the bottom of face-piece, leads to described Fresnel Lenses photoconduction.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 exploded view.
In figure: 1, face-piece, 2, lower cover, 3, pcb board, 4, shielding box, 5, Fresnel Lenses, 6, mounting bracket, 7, light-guiding pillar, 8, radome, 9, lenslet.
Embodiment
Embodiment 1, as shown in Figure 1, the present embodiment is a kind of structure of the intrusion detector in conjunction with infrared intrusion detector and microwave intrusion detectors advantage, in the shell that the face-piece 1 be made up of light-proof material and lower cover 2 surround, mainly contain one piece of pcb board 3, pcb board 3 had both been provided with infrared receiver module and the infrared signal processing module of receiving infrared-ray signal, there is microwave sensor module again, microwave sensor module comprises the oscillator producing microwave signal, the Microwave emission circuit that microwave signal is launched, the microwave receiving circuit receiving microwave signal and the treatment circuit that the microwave signal received is processed, the antenna that described Microwave emission circuit and microwave receiving circuit adopt.Wherein, treatment circuit in microwave module can be combined with infra red treatment circuit, all that the mode adopting software restraint to combine processes the infrared signal received and the microwave signal received at present, and adopt processor to carry out intellectual analysis finally to obtain result more accurately, while stopping to fail to report, prevent wrong report.This is because, as passive infrared intrusion detector when adjusting sensitivity, substantially allly people in scope or animal is invaded, that is thermal source can be detected, but can not determine other thermal source such as people or animal, now, according to the feature of human body, launched, now, if also reflected at certain height by oscillator for generating microwave signal, then by process, be that an object moved returns, this object is again a thermal source simultaneously, then substantially can judge that who has invaded this scope.Therefore, by the intrusion detector of the present embodiment, while stopping to fail to report, wrong report can be prevented.
In the present embodiment, Fresnel Lenses 5 is mounted on face-piece, its effect is similar to the antenna in microwave detector, by the infrared receiver that the thermal source entered in monitoring range is launched, in fact, although the infrared ray of the transmission of humans and animals is different, but entirety is within the scope of one, present intrusion detector is not also isolated, therefore, the light signal of all wavelengths outside the infrared ray that Fresnel Lenses 5 mistake filtering human body here and animal body produce, in the present embodiment, the lens surface one side of Fresnel Lenses is light face, namely outside from face-piece 1 one side, the ascending concentric circles of another side imprinting, its texture to penetrate according to the interference of light and disturbing and relative sensitivity and receiving angle require to design, clean mark.For search coverage is divided into some regions, the human motion in detection dead ahead.Fresnel Lenses 5 is entrenched on face-piece 1.In addition, also comprise lenslet 9, lenslet 9 is arranged on the bottom of face-piece 2, leads to Fresnel Lenses 5 photoconduction.Lenslet 9 is for being divided into some regions by search coverage, and the human motion below detection detector, has prevented people from passing through from below.
In the present embodiment, in order to reduce neighbourhood noise, particularly white noise is on the impact of detection, on pcb board 3 in microwave sensor module, oscillator, Microwave emission circuit and microwave receiving circuit are arranged in a shielding box 4, antenna is arranged on outside shielding box 4, and shielding box 4 is a crown cap covering on oscillator, Microwave emission circuit and microwave receiving circuit.Like this, the signal received by antenna is only had just can to enter into microwave sensor module.
In the present embodiment, in the enclosure, Fresnel Lenses 5 and pcb board 3 are arranged on a mounting bracket 6, and mounting bracket 6 is " L ", Fresnel Lenses 5 is arranged on the Upper vertical part of mounting bracket 6, and the lower end of pcb board 3 is embedded on mounting bracket 6 lower horizontal portion.Pcb board 6 is provided with state display lamp, and state display lamp is sent to outside shell by the light-guiding pillar 7 be embedded on face-piece 1, shows like this for realizing to different conditions such as fault, early warning, warnings.Infrared receiver module and signal processing module are also provided with radome 8, prevent circuit and other equipment to the interference of this equipment.
Claims (6)
1. the structure of an intrusion detector, comprise the shell surrounded by lighttight face-piece and lower cover, pcb board is in the enclosure set, described pcb board is provided with infrared receiver module and signal processing module, be arranged on the Fresnel Lenses on face-piece, described Fresnel Lenses is entrenched on described face-piece, receive extraneous infrared ray and enter into described infrared receiver module, it is characterized in that, described pcb board (3) is also provided with microwave sensor module, described microwave sensor module comprises the oscillator producing microwave signal, the Microwave emission circuit that microwave signal is launched, the microwave receiving circuit receiving microwave signal and the treatment circuit that the microwave signal received is processed, the antenna that described Microwave emission circuit and microwave receiving circuit adopt.
2. the structure of intrusion detector according to claim 1, it is characterized in that: in the upper described microwave sensor module of described pcb board (3), oscillator, Microwave emission circuit and microwave receiving circuit are arranged in a shielding box (4), antenna is arranged on shielding box (4) outward, and described shielding box (4) is a crown cap covering on described oscillator, Microwave emission circuit and microwave receiving circuit.
3. the structure of intrusion detector according to claim 1, it is characterized in that: in described shell, described Fresnel Lenses (5) and pcb board (3) are arranged on a mounting bracket (6), described mounting bracket (6) is " L ", Fresnel Lenses (5) is arranged on the Upper vertical part of mounting bracket (6), and the lower end of pcb board (3) is embedded on mounting bracket (6) lower horizontal portion.
4. the structure of intrusion detector according to claim 3, it is characterized in that: described pcb board (6) is provided with state display lamp, described state display lamp is sent to outside shell by the light-guiding pillar (7) be embedded on face-piece (1).
5., according to the structure of described intrusion detector arbitrary in Claims 1-4, it is characterized in that: described infrared receiver module and signal processing module are also provided with radome (8).
6. the structure of intrusion detector according to claim 5, it is characterized in that: also comprise lenslet (9), described lenslet (9) is arranged on the bottom of face-piece (2), leads to described Fresnel Lenses (5) photoconduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501116.9U CN204087403U (en) | 2014-09-02 | 2014-09-02 | A kind of structure of intrusion detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420501116.9U CN204087403U (en) | 2014-09-02 | 2014-09-02 | A kind of structure of intrusion detector |
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| Publication Number | Publication Date |
|---|---|
| CN204087403U true CN204087403U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420501116.9U Active CN204087403U (en) | 2014-09-02 | 2014-09-02 | A kind of structure of intrusion detector |
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| CN (1) | CN204087403U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895843A (en) * | 2017-09-28 | 2018-04-10 | 北京华航无线电测量研究所 | A kind of antenna extension set of vehicle-mounted array radar |
| CN109035661A (en) * | 2018-06-14 | 2018-12-18 | 北京世纪之星应用技术研究中心 | Utilize light variable and the intrusion detection method and device of microwave Doppler technology |
| CN109237335A (en) * | 2018-10-30 | 2019-01-18 | 深圳市乐惠光电科技有限公司 | Portable intelligent warning lamp |
| CN110047249A (en) * | 2019-05-27 | 2019-07-23 | 中侨健康管理（上海）有限公司 | Human body attitude identification sensor, human posture recognition method and system |
| CN114136452A (en) * | 2021-10-08 | 2022-03-04 | 中国安全生产科学研究院 | Thermostable detection driver and infrared detector applying same |
-
2014
- 2014-09-02 CN CN201420501116.9U patent/CN204087403U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895843A (en) * | 2017-09-28 | 2018-04-10 | 北京华航无线电测量研究所 | A kind of antenna extension set of vehicle-mounted array radar |
| CN109035661A (en) * | 2018-06-14 | 2018-12-18 | 北京世纪之星应用技术研究中心 | Utilize light variable and the intrusion detection method and device of microwave Doppler technology |
| CN109237335A (en) * | 2018-10-30 | 2019-01-18 | 深圳市乐惠光电科技有限公司 | Portable intelligent warning lamp |
| CN110047249A (en) * | 2019-05-27 | 2019-07-23 | 中侨健康管理（上海）有限公司 | Human body attitude identification sensor, human posture recognition method and system |
| CN114136452A (en) * | 2021-10-08 | 2022-03-04 | 中国安全生产科学研究院 | Thermostable detection driver and infrared detector applying same |
| CN114136452B (en) * | 2021-10-08 | 2023-09-05 | 中国安全生产科学研究院 | Thermally stable detection driver and infrared detector using same |
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| C14 | Grant of patent or utility model | ||
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