CN209417319U - Detector - Google Patents

Abstract

The utility model discloses a kind of detectors, belong to detection technology field.The detector includes: detector body and the Laser emission part that is set on the detector body；For the Laser emission part for emitting laser, which is used to indicate the investigative range of the detector body.The hot spot formed in ground, metope or other faces by Laser emission part Observable laser irradiation, it can quickly identify the actual detection range of the detector, when the actual detection range deviates target acquisition range, by rotating the detector, to adjust the detection direction of the detector, and then change the actual detection range, make the actual detection range coverage goal investigative range, the detector installation process is simple, time and human cost are saved, and can intuitively show the actual detection range of detector.

Description

Detector

Technical field

The utility model relates to detection technology field, in particular to a kind of detector.

Background technique

In security protection, internet of things field, often need to detect in target acquisition region whether have human body using detector Activity, when detecting, detector is sounded an alarm.One of common detector is passive type infrared detector, mainly by light The parts such as system, pyroelectric sensor (or being infrared sensor) and alarm controller form.Detector itself does not emit Any energy is served only for receiving the infra-red radiation from external environment.Once receiving the infrared ray of human body radiation, infrared ray warp Optics into focus projects on pyroelectric sensor, so that pyroelectric sensor is generated mutation electric signal, to issue police Report.

Currently, being normally based on target acquisition range when installing detector, detector being mounted in place Afterwards, a certain test position of the operator within the scope of target acquisition is walked about, examine detector whether alert, if not Alert illustrates that the actual detection range of detector fails coverage test position, needs to readjust the peace of detector Holding position, and test and verification is carried out again, until ensuring that the actual detection range of detector being capable of coverage goal investigative range Until.

Above-mentioned mounting means needs operator constantly to test and adjust so that installation process is more complicated, the time and Human cost is big, and cannot intuitively show the actual detection range of detector.

Utility model content

The utility model embodiment provides a kind of detector, is able to solve the installation process ratio of currently used detector More complex, time and human cost are big, and the problem of cannot intuitively show the actual detection range of detector.The skill Art scheme is as follows:

A kind of detector is provided, the detector includes: detector body and is set on the detector body Laser emission part；

The detector body includes: detecting head, and the detecting head is passive type infrared detection head；

The Laser emission part is for emitting the first sub- laser and the second sub- laser, the light emission direction of the Laser emission part It is consistent with the detection direction of the detecting head, and the angle between the first sub- laser and the second sub- laser and the spy The detection angle for surveying device main body is identical.

In a kind of possible design, the plane of symmetry of the detecting head of the detector body is symmetrical with the Laser emission part Face is approximately the same plane.

In a kind of possible design, the Laser emission part includes: first shell, the first power supply, first circuit board, light Source, transmission element and the first lid；

First power supply, the light source are located in the first shell, with the first circuit board electric property coupling；

First cover cap has corresponding with the light source in the first shell, on first lid First through hole；

One end of the transmission element is fixed in first lid, and the other end is exposed in the first through hole.

In a kind of possible design, the transmission element include: the transparent body being exposed in the first through hole and with institute State the mounting portion of the periphery connection of transparent body；

The mounting portion is fixed in first lid；

The transparent body includes: the first lens and prism set gradually according to the direction far from the light source；

First lens are for scattering the light that the light source is launched；

The prism is used to the light after scattering being beamed into the described first sub- laser and the described second sub- laser.

In a kind of possible design, the light source includes: the first sub-light source and the second sub-light source；

First sub-light source is for emitting the described first sub- laser, and second sub-light source is for emitting second son Laser.

In a kind of possible design, the Laser emission part is located in the inner cavity of the detector body；

There is loophole corresponding with the Laser emission part on the detector body.

In a kind of possible design, the Laser emission part is set to the outside of the detector body by connector.

In a kind of possible design, the connector is the arcuate structure with the external shape fits of the detector body.

In a kind of possible design, the connector is snapped connection with the detector body.

In a kind of possible design, the detector body includes: second shell, the second lid and detecting head；

There is the second through-hole on second lid；

Second cover cap is in the second shell；

One end of the detecting head is located in the second shell, and the other end is exposed in second through-hole.

In a kind of possible design, the detecting head includes: the second lens being set in second through-hole, is set to Light-guiding pillar in third through-hole, and it is located at the intracorporal pyroelectric sensor of the second shell, second circuit board and alarm Device；

The pyroelectric sensor and the alarm respectively with the second circuit board electric property coupling.

In a kind of possible design, the detector further include: mounting bracket；

The detector body is rotatably connected by rotating member and the mounting bracket.

Technical solution bring beneficial effect provided by the embodiment of the utility model includes at least:

The hot spot formed in ground, metope or other faces by Laser emission part Observable laser irradiation, can be quick The actual detection range for identifying the detector, when the actual detection range deviates target acquisition range, by rotating the detector, The detection direction of the detector is adjusted, and then changes the actual detection range, detects the actual detection range coverage goal Range, the detector installation process is simple, saves time and human cost, and can intuitively show the practical spy of detector Survey range.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of perspective view of the explosion of detector provided by the embodiment of the utility model；

Fig. 2 is a kind of using effect schematic diagram of detector provided by the embodiment of the utility model；

Fig. 3 is a kind of perspective view of the explosion of Laser emission part 2 provided by the embodiment of the utility model；

Fig. 4 is a kind of perspective view of the explosion of Laser emission part 2 provided by the embodiment of the utility model；

Fig. 5 is a kind of perspective view of the explosion of detector body 1 provided by the embodiment of the utility model.

Each label declaration in attached drawing is as follows:

1- detector body；

11- detecting head；

The second lens of 111-, 112- third through-hole, 113- light-guiding pillar, 114- pyroelectric sensor, 115- second circuit board, 116- alarm, 117- second source；

12- second shell；

The second lid of 13-；

The second through-hole of 14-；

2- Laser emission part；

21- first shell；

The first power supply of 22-；

23- first circuit board；

24- light source；

The first sub-light source of 241-, the second sub-light source of 242-；

25- transmission element；

251- transparent body；

The first lens of 2511-, 2512- prism；

252- mounting portion；

The first lid of 26-；

27- first through hole；

3- connector；

31- card slot, 32- fastener；

4- mounting bracket；

41- rotating member；

42- third shell；

43- mounting plate.

Specific embodiment

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is described in further detail.

The utility model provides a kind of detector, for detecting in certain region whether have physical activity, the detection Device is usually mounted on the wall or ceiling near target acquisition range, during installation, by adjusting the detection side of detector To making the actual detection range coverage goal investigative range to change the actual detection range of detector.

Fig. 1 is a kind of perspective view of the explosion of detector provided by the embodiment of the utility model, which includes: detector Main body 1 and the Laser emission part 2 being set on the detector body 1；The detector body 1 includes: detecting head 11, the detecting head 11 be passive type infrared detection head；The Laser emission part 2 is for emitting the first sub- laser and the second sub- laser, the Laser emission part 2 light emission direction is consistent with the detection direction of the detecting head 11, and the angle between the first sub- laser and the second sub- laser It is identical as the detection angle of the detector body 1.

The actual detection range of the detector body 1 is not apparent, for example, the detector body 1 is passive type Infrared detector, the detector body 1 itself do not emit any energy, are radiated within the scope of actual detection for detecting human body Infrared ray, and then alarm.

And the Laser emission part 2 makes the propagation path of the laser of its transmitting at least by being set on the detector body 1 It is overlapped with a part at the edge of the actual detection range of the detector, which is used to indicate the detection model of detector body 1 It encloses, to install the detector.

The detector only needs two laser rays that can indicate the actual detection range of the detector, not only energy conservation and environmental protection, but also The manufacture difficulty for reducing the Laser emission part 2 makes it easy to produce and assemble.

For the detector body 1, investigative range can be the sky of a part of cone as shown in left in Figure 2 Between, the intersection between the space and ground is divided into two parts, is circular arc portion and two straight lines, circular arc portion to the detection respectively The distance between the projection of device on the ground can be used to indicate that the detection range of the detector, the detection range and the detector Performance it is related with installation site, when detector cannot rotate along the vertical direction, the detection range and theoretical detection range one It causes.

The two other straight line of intersection part: first detection edge and second detection edge, this first detection edge with should Detector can determine that the first plane, and the second detection edge and the detector can determine that the second plane, first plane and second Angle between plane is above-mentioned detection angle, which is also used for characterizing the detection performance of the detector.

The first sub- laser and the second sub- laser can be a wordline laser, and a wordline laser irradiation is formed on the ground Hot spot is straight line, the first sub- laser and the second sub- laser are formed on the ground in hot spot such as Fig. 2 the first hot spot and the Two hot spots, in the utility model embodiment, first hot spot and this first detection coincident, second hot spot and this second Detect coincident.

Detector provided by the utility model embodiment, by 2 Observable laser irradiation of Laser emission part on ground, wall The hot spot formed on face or other faces, can quickly identify the actual detection range of the detector, which may refer in Fig. 2 The first hot spot and the second hot spot, the intersection on the actual detection range and ground is detection edge, which may refer to The first detection edge and the second detection edge in Fig. 2, in the utility model embodiment, the hot spot and the detection edge weight It closes.When the intersection of target acquisition range and ground is deviateed in the position where first hot spot and second hot spot, the reality is indicated Border investigative range deviates target acquisition range, by rotating the detector, to adjust the detection direction of the detector, and then changes The actual detection range makes the actual detection range coverage goal investigative range, and the detector installation process is simple, saves the time And human cost, and can intuitively show the actual detection range of detector.

In a kind of possible design, the plane of symmetry of the detecting head 11 of the detector body 1 is symmetrical with the Laser emission part 2 Face is approximately the same plane.

The detecting head 11 is used to detect infrared ray, and the investigative range of the detecting head 11, which can be two, has certain angle The space formed between plane and ground, above-mentioned setting make the detection direction of the detecting head 11 and shining for the Laser emission part 2 Direction is consistent, and convenient for installing between the detector body 1 and the Laser emission part 2.

In a kind of possible design, which includes: first shell 21, the first power supply 22, first circuit board 23, light source 24, transmission element 25 and the first lid 26 (referring to Fig. 3)；First power supply 22, the light source 24 be located at this first In shell 21, with 23 electric property coupling of first circuit board；First lid 26 lid is in the first shell 21, first lid There is first through hole 27 corresponding with the light source 24 on 26；One end of the transmission element 25 is fixed in first lid 26, separately One end is exposed in the first through hole 27.

First power supply 22 can be battery, which can be tubular, the shape of the second lid 13 and this One shell 21 adaptation, to be protected to the first power supply 22, light source 24 and first circuit board 23.It can on the first circuit board 23 To be equipped with mounting groove, first power supply 22 and the light source 24 are fixed in the mounting groove, which passes through first electricity Circuit structure in road plate 23 is the light source 24 power supply, to guarantee that the Laser emission part 2 can emit laser.The hair of the light source 24 Laser out is projected along the path of the first transmission element 25, first through hole 27.

The first circuit board 23 can be fixed on the inner wall of the first shell 21 by dismountable mode, for example, can To be snap, the present embodiment is not construed as limiting above-mentioned fixed form；Connection between first shell 21 and the first lid 26 Mode, which can be, to be snapped connection, other modes being readily disassembled are also possible to, and the present embodiment is not construed as limiting this.

About the generation type of the first sub- laser and the second sub- laser, the present embodiment provides two kinds of possible examples:

The first example: the transmission element 25 include: the transparent body 251 being exposed in the first through hole 27 and with the light transmission The mounting portion 252 of the periphery connection of ontology 251；The mounting portion 252 is fixed in first lid 26；The transparent body 251 packet It includes: the first lens 2511 and prism 2512 set gradually according to the direction far from the light source 24；First lens 2511 are used for Scatter the light that the light source 24 is launched；The prism 2512 be used to for the light after scattering being beamed into the first sub- laser and this Two sub- laser.

For the transparent body 251 to be fixed in first lid 26, which can be the mounting portion 252 Annular shape so that the laser that the light source 24 issues can be transmitted directly in the transparent body 251, the mounting portion 252 and this Connection type between one lid 26, which can be, dismountable connection type such as snaps connection, is threadedly coupled, and the present embodiment is to this It is not construed as limiting.

The transparent body 251 is used to cooperate with light source 24, finally launches the first sub- laser and the second sub- laser.Work as light source When the light of 24 transmittings is ray shape, two dotted light of high collimation can be launched after the integration of the first lens 2511, it should First lens 2511 can be to be made of multiple lens and beam splitter, and two dotted light are being capable of shape after prism 2512 is broken up At the light of two brightness uniformities, the light of above-mentioned two brightness uniformities is the above-mentioned first sub- laser and the second sub- laser.

It can be between first lens 2511 and the prism 2512 and connected by the modes such as Nian Jie, be also possible to interval and set It sets, as long as the light after reflecting the transparent body 251 is identical as detection angle.

Second of example: referring to Fig. 4, which includes: the first sub-light source 241 and the second sub-light source 242；This first Sub-light source 241 is for emitting the first sub- laser, and second sub-light source 242 is for emitting the second sub- laser.

Above-mentioned light source 24 can be the light source 24 of directly transmitting a wordline laser, which passes through the transmission element 25 Launch, if the angle between two beam a wordline lasers is equal to detection angle, which does not change the propagation side of light To；If the angle between two beam a wordline lasers uses the light transmission for the direction of propagation that can change light not equal to detection angle Part 25 makes the angle between the two beam a wordline lasers issued be equal to detection angle by refraction.

Above-mentioned light source 24 is also possible to common laser, and the light of transmitting is ray shape, the energy after the integration of the first lens 2511 Enough launch two dotted light of high collimation, which can be is made of multiple lens, is passing through rib Mirror 2512 is capable of forming the light of two brightness uniformities after breaing up, the light of above-mentioned two brightness uniformities is that above-mentioned first son swashs Light and the second sub- laser.

About the relative position between the Laser emission part 2 and the detector body 1, the present embodiment, which provides two kinds, to be shown Example:

The first example: the Laser emission part 2 is located in the inner cavity of the detector body 1；Have on the detector body 1 Loophole corresponding with the Laser emission part 2.

The Laser emission part 2 can be fixed in the detector body 1 by way of being bonded or buckling, so that laser is sent out Penetrate part 2 compared with the relative position between detector body 1 fix, the accuracy being overlapped between the hot spot and the detection edge compared with Height improves the service performance of the detector.

Second of example: the Laser emission part 2 is set to the outside of the detector body 1 by connector 3.

Based on above-mentioned design, a Laser emission part 2 be can be applied in the installation process of multiple detector bodies 1, be subtracted The small volume of detector, saves the production cost of detector.

In a kind of possible design, which is the arcuate structure with the external shape fits of the detector body 1.

The shape of the connector 3 may refer to Fig. 1, and the shape of the detector body 1 has certain radian, by the connection Part 3 is designed as the arcuate structure with the external shape fits of the detector body 1, be conducive to the connector 3 and the detector body 1 it Between fixation, prevent from making the hot spot and the detection edge due to the relative movement between the connector 3 and the detector body 1 It is not overlapped.

In a kind of possible design, which snaps connection with the detector body 1.

Multiple card slots 31 can be set on the detector body 1, multiple are arranged on the corresponding position of the connector 3 The fastener 32 matched connects the connection by the way that the fastener 32 to be caught in corresponding card slot 31 when being mounted on detector body 1 Part 3 and the detector body 1 take out the fastener 32, from the card slot 31 after the installation is completed to reuse the connection Part 3 and the Laser emission part 2, while being also beneficial to the beauty of the detector body 1.The arrangement mode of multiple card slot 31 can be with It is to be arranged in a row in the horizontal direction, to make the installation site of the connector 3 will not be inclined because of the operating error of installation process From.

In a kind of possible design of the utility model embodiment, which includes: second shell 12, second Lid 13 and detecting head 11 (referring to Fig. 5)；There is the second through-hole 14 on second lid 13；Second lid 13 lid mounted in this On two shells 12；One end of the detecting head 11 is located in the second shell 12, and the other end is exposed in second through-hole 14.

The detector body 1 is for detecting whether have physical activity within the scope of actual detection, second shell 12 and the second lid For body 13 for playing a protective role to the detecting head 11, the detecting head 11 is infrared within the scope of actual detection for receiving Line.

It dismountable mode such as can be connected by a snap between the second shell 12 and the second lid 13 to connect, this implementation Example is not construed as limiting this.The shape of the detecting head 11 is adapted to second through-hole 14, which is exposed to second through-hole The shape of part outside 14 is consistent with the shape of second through-hole 14, but is dimensioned slightly smaller than the size of second through-hole 14, and visits Gauge head 11 is located at the size that the size inside second through-hole 14 is greater than second through-hole 14, so that the detecting head 11 can It is stably fixed in second through-hole 14.

In a kind of possible design, which includes: the second lens 111 being set in second through-hole 14, if The light-guiding pillar 113 being placed in third through-hole 112, and the pyroelectric sensor 114, second being located in the second shell 12 Circuit board 115 and alarm 116；The pyroelectric sensor 114 and the alarm 116 are electrical with the second circuit board 115 respectively Coupling.

It is equipped with second source 117 in the second circuit board 115, is the pyroelectric sensor 114 by the second source 117 It powers with the alarm 116.

In application, the infrared ray within the scope of actual detection is refracted into pyroelectricity biography by second lens 111 In sensor 114, after which detects the infrared ray, sent the signal to by the second circuit board 115 Alarm 116, the alarm 116 can be alarmed by modes such as buzzing or flashes of light, and long-range by transmitting the signal to Signal receiver realize warning function.

For the light-guiding pillar 113 also with 115 electric property coupling of second circuit board, it is infrared which detects this After line, which is sent the signal to by the second circuit board 115, which can be according to receiving The difference of signal shows different colors, to instruct the installation process of installation personnel.For example, when receiving someone in practical spy When surveying the signal moved in region, the light-guiding pillar 113 is shown in red.

In a kind of possible design, the detector further include: mounting bracket 4；The detector body 1 by rotating member 41 with The mounting bracket 4 is rotatably connected.

The detector can pass through the fixed two kinds of mounting brackets 4 on the wall or on ceiling, in Fig. 5 of the mounting bracket 4 For the detector body 1 to be ceiling mounted or wall, by two kinds of mounting brackets 4, which can Realize the axial rotation for axis with the rotating member 41, for example, when the axial direction of the rotating member 41 is vertical direction, the detector It can rotate in the horizontal plane.

The mounting bracket 4 includes third shell 42 and the mounting plate 43 connecting with third shell 42, has on mounting plate 43 Mounting hole is fixed the mounting bracket 4 on the wall or on ceiling by the mounting hole.

The rotating member 41 is column, the shape adaptation of the inner cavity of shape and the third shell 42, which is installed on In the inner cavity, it can be rotated in the inner cavity.

The third shell 42 is equipped with long hole, and the second shell 12 of the detector body 1 connects this turn by the long hole Moving part 41 so that the detector body 1 be made not only to be connected in the mounting bracket 4, but also can be rotated by the rotating member 41.

It is contacted between the second shell 12 of the detector body 1 and the third shell 42, and the second of the detector body 1 The contact surface of shell 12 and the third shell 42 all has zigzag outer wall, by the occlusion between zigzag outer wall, makes the spy The connection surveyed between device main body 1 and the mounting bracket 4 is more stable.

All the above alternatives can form the alternative embodiment of the utility model, herein using any combination No longer repeat one by one.

Detector provided by the embodiment of the utility model includes: detector body and is set to sharp on the detector body Light emitting part；For the Laser emission part for emitting laser, which is used to indicate the investigative range of the detector body.By swashing The hot spot that light emitting part can be formed in ground, metope or other faces by observing laser irradiation, can quickly identify the detection The actual detection range of device, when the actual detection range deviates target acquisition range, by rotating the detector, to adjust the spy The detection direction of device is surveyed, and then changes the actual detection range, makes the actual detection range coverage goal investigative range, the detection Device installation process is simple, saves time and human cost, and can intuitively show the actual detection range of detector.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (12)

1. a kind of detector, which is characterized in that the detector includes: detector body (1) and is set to the detector master Laser emission part (2) on body (1)；

The detector body (1) includes: detecting head (11), and the detecting head (11) is passive type infrared detection head；

The Laser emission part (2) is for emitting the first sub- laser and the second sub- laser, the luminous side of the Laser emission part (2) To consistent with the detection direction of the detecting head (11), and the angle between the first sub- laser and the second sub- laser with The detection angle of the detector body (1) is identical.

2. detector according to claim 1, which is characterized in that pair of the detecting head (11) of the detector body (1) The plane of symmetry of face and the Laser emission part (2) is referred to as approximately the same plane.

3. detector according to claim 1, which is characterized in that the Laser emission part (2) includes: first shell (21), the first power supply (22), first circuit board (23), light source (24), transmission element (25) and the first lid (26)；

First power supply (22), the light source (24) are located in the first shell (21), with the first circuit board (23) electric property coupling；

First lid (26) lid has and the light source on first lid (26) on the first shell (21) (24) corresponding first through hole (27)；

One end of the transmission element (25) is fixed in first lid (26), and the other end is exposed to the first through hole (27) In.

4. detector according to claim 3, which is characterized in that the transmission element (25) includes: to be exposed to described first Transparent body (251) in through-hole (27) and the mounting portion (252) being connect with the periphery of the transparent body (251)；

The mounting portion (252) is fixed in first lid (26)；

The transparent body (251) includes: the first lens (2511) set gradually according to the direction far from the light source (24) With prism (2512)；

First lens (2511) are for scattering the light that the light source (24) is launched；

The prism (2512) is used to the light after scattering being beamed into the described first sub- laser and the described second sub- laser.

5. detector according to claim 3, which is characterized in that the light source (24) include: the first sub-light source (241) with Second sub-light source (242)；

For first sub-light source (241) for emitting the described first sub- laser, second sub-light source (242) is described for emitting Second sub- laser.

6. detector according to claim 1, which is characterized in that the Laser emission part (2) is located at the detector master In the inner cavity of body (1)；

There is loophole corresponding with Laser emission part (2) on the detector body (1).

7. detector according to claim 1, which is characterized in that the Laser emission part (2) is arranged by connector (3) In the outside of the detector body (1).

8. detector according to claim 7, which is characterized in that the connector (3) be and the detector body (1) External shape fits arcuate structure.

9. detector according to claim 7, which is characterized in that the connector (3) and the detector body (1) are blocked Button connection.

10. described in any item detectors according to claim 1~9, which is characterized in that the detector body (1) further include: Second shell (12), the second lid (13)；

There are the second through-hole (14) on second lid (13)；

Second lid (13) lid is on the second shell (12)；

One end of the detecting head (11) is located in the second shell (12), and the other end is exposed to second through-hole (14) In.

11. detector according to claim 10, which is characterized in that the detecting head (11) includes: to be set to described The second lens (111) in two through-holes (14), the light-guiding pillar (113) being set in third through-hole (112), and it is located at institute State pyroelectric sensor (114) in second shell (12), second circuit board (115) and alarm (116)；

The pyroelectric sensor (114) and the alarm (116) respectively with the second circuit board (115) electric property coupling.

12. detector according to claim 1, which is characterized in that the detector further include: mounting bracket (4)；

The detector body (1) is rotatably connected by rotating member (41) with the mounting bracket (4).