CN217687266U - False alarm prevention infrared detection device - Google Patents

Abstract

The utility model provides a false alarm prevention infrared detection device, which belongs to the technical field of infrared detection devices and comprises a partition part, a sealing part, an infrared detector and a sealing part, wherein the partition part is movably connected with the partition part and is used for sealing the inside of the partition part; the utility model adopts the mode that the isolating piece is connected with the closing piece in a sealing way, so as to isolate the infrared detector in the relatively closed environment inside, further avoid the influence on the work of the infrared detector caused by the change of the external environment temperature and the air current, and further avoid the possibility of misjudgment of the infrared detector caused by the change of the external environment; the detection requirement of the infrared detector can be met by adopting the light transmission part.

Description

False alarm prevention infrared detection device

Technical Field

The utility model relates to an infrared detection device technical field, in particular to prevent misreport infrared detection device.

Background

The infrared detector is a device for converting an incident infrared radiation signal into an electric signal and outputting the electric signal; infrared radiation is electromagnetic waves with a wavelength between visible light and microwaves, and cannot be detected by human eyes; therefore, to detect the presence of such radiation and measure its intensity, it must be converted into other physical quantities that can be detected and measured, and the infrared thermal and photoelectric effects are mainly used by modern infrared detectors; therefore, the work of the infrared detector is influenced by the temperature of the external environment, so that the phenomenon of false alarm is easy to occur when the infrared detector is positioned at a position with a large temperature difference environment, the object is easy to be identified and misjudged only by the information detected by the infrared detector, and the false alarm is also an important factor for the misjudgment of the detector;

in the prior art, there is a method for insulating an infrared detector, for example, patent application No. 200910197265.4: misstatement infrared detector is prevented to intelligence, including infrared sensor, intelligence is prevented misstatement infrared detector and is still included sensor heat preservation protective part, infrared sensor inlays to be established among the sensor heat preservation protective part, infrared sensor's head is exposed. The technical scheme that an infrared sensor is placed in a heat-insulation protection part, an upper heat-insulation protection pad and a lower heat-insulation protection pad are adopted for heat insulation, and holes are formed in a shell for detection is adopted, so that although the two heat-insulation protection pads play a role in heat insulation and shock absorption, the position movement of an infrared detector is difficult to avoid, the specific position of the infrared sensor cannot be stably fixed by a flexible protection pad, and the holes can generate certain temperature difference and airflow influence, so that certain errors occur in detection data;

the invention patent with application number 201110069823.6: a novel intelligent false alarm prevention passive infrared detector for area control comprises a shell, an infrared sensor, a PCB (printed circuit board), an antenna and an alarm indication component. The shell comprises a lower shell and an upper shell fixed on the lower shell; the infrared lens is characterized by also comprising a full-angle spherical infrared lens, wherein a closed space is formed between the upper shell and the infrared sensor; the sensing area of the infrared sensor is positioned in the sensor closed space; the detector also comprises two permanent magnets arranged with the lower shell and used for adsorbing the detector on metal; the spherical infrared lens is arranged on the upper portion of the position, combined with the head of the infrared sensor, of the upper shell. The head of the infrared sensor is positioned in the sensor closed space, the spherical infrared lens is mounted on the upper light body and is combined with the head of the infrared sensor, so that the head is closed, the upper heat-preservation cushion and the lower heat-preservation cushion which are arranged outside the head are combined and insulated, the whole structure is subjected to flattening treatment, the built-in permanent magnet is adopted, and the device is mainly used for indoor roof adsorption and mounting, but the whole structure is inconvenient to maintain, the head is independently positioned in the closed space, the whole device needs to be taken down during maintenance, the head is separated from the closed space, and the structure outside the head is separated from the upper shell.

Therefore, there is a need to solve the problems in the prior art and to improve a device to reduce the influence of temperature and airflow changes on the detection accuracy of an infrared detector, so that the detection data is more accurate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above technical problem, provide an prevent misreport infrared detection device, reduce external environment's influence, can make measuring effect better, cooperate the ultrasonic detection instrument to realize the information collection to the detection scope, and then guarantee the comprehensiveness of detecting information, and then reduce the possibility that the detector takes place the wrong report, the popularization and the use of the product of being convenient for.

In order to solve the technical problem, the technical scheme of the utility model as follows: the utility model provides a prevent misreport infrared detection device, includes barrier member, closure member, infrared detector and sealing, closure member and barrier member swing joint are used for sealing inside the barrier member, the sealing sets up in the junction of barrier member and closure member, be equipped with the printing opacity portion on the barrier member, infrared detector sets up the position that corresponds the printing opacity portion in the barrier member.

The utility model discloses an inside infrared detector that sets up of separator, be connected between separator and the closure piece again, make the junction sealed through the sealing, be provided with the printing opacity portion on the separator, conveniently carry out the detection to the outside in infrared detector in the environment of relative confined, and then avoid the influence that external environment temperature variation probably caused infrared detector work to avoid external environment variation to cause infrared detector to take place the possibility of erroneous judgement, improve detection efficiency.

Preferably, the light-transmitting part comprises a light-transmitting detection window and an optical lens, the light-transmitting detection window is arranged on the isolating piece, the optical lens is arranged in the light-transmitting detection window, and the optical lens is arranged in the light-transmitting detection window, so that the influence can be reduced when the infrared detector detects the infrared detector, the detection coverage angle is increased, and the efficiency is improved.

Preferably, the bottom of the closing piece is provided with a threaded inner sleeve, and the threaded inner sleeve is in threaded connection with the inner wall of the isolating piece.

Preferably, an annular fixing plate is mounted at the top of the closing piece, and mounting holes are uniformly formed in the annular fixing plate.

Preferably, an annular mounting groove is formed in the partition, and the sealing part is arranged in the annular mounting groove.

Preferably, the annular mounting groove is located on the inner side of the isolating piece, the sealing part is an annular rubber sealing gasket, and when the threaded inner sleeve is connected with the inner wall of the isolating piece, the sealing part is filled in a closed space formed by the isolating piece, the bottom of the sealing piece and the threaded inner sleeve, so that the connection part is sealed.

Preferably, the thickness of the rubber-shaped sealing gasket is larger than the depth of the annular mounting groove.

Preferably, the bottom fixed mounting has the bracing piece in the separator, fixedly connected with interior closure spare on the bracing piece, infrared detector includes infrared detector and the controller of being connected with infrared detector electricity, infrared detector and controller are all installed on interior closure spare, be provided with the power of being connected with the controller electricity in the separator.

Preferably, an ultrasonic detector is installed on the closing piece, and the ultrasonic detector is electrically connected with the controller and is matched with the controller for detection, so that the comprehensiveness of the detected information is ensured, and the possibility of false alarm of the detector is reduced.

Preferably, the ultrasonic probe is located directly above the light-transmitting portion, so that basic detection conditions such as a direction and a distance of the detection object are the same, and errors are reduced.

The utility model discloses an infrared detector installs the position department that corresponds with the printing opacity portion, can detect the outside through the printing opacity portion, pass through controller control infrared detector work this moment, can realize infrared detection operation, and feed back information to the controller, and simultaneously through controller control ultrasonic wave detection instrument work, can also detect the information in the detector detection range, and feed back information to the controller, the controller carries out the integrated analysis to the information that ultrasonic wave detection instrument and infrared detector detected, the erroneous judgement that takes place easily when can effectively only detecting through infrared detector.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model provides a prevent misreport infrared detection device:

1. the utility model adopts the combination of the isolating piece and the closing piece, directly arranges the infrared detector in the isolating piece, and integrally arranges a light transmission part on the isolating piece for the window for realizing the detection of the infrared detector, the whole structure is simple, the excessive space position is not occupied, the closing piece can be suitable for most scenes, and the isolating piece is conveniently and directly disassembled by movably connecting the isolating piece and the closing piece;

2. the utility model adopts the mode of sealing connection between the isolating piece and the closing piece to isolate the infrared detector in the relatively closed environment inside, thereby avoiding the influence on the work of the infrared detector caused by the change of the external environment temperature and the air current, and avoiding the possibility of misjudgment of the infrared detector caused by the change of the external environment; the light transmission part can meet the detection requirement of the infrared detector;

3. mounting the infrared detector on a fixed inner closure member to prevent the possibility of movement of the infrared detector and its inability to detect through the light-transmissive portion;

4. additionally set up the ultrasonic wave detection instrument, cooperate infrared detector to realize the information collection to the detection scope, and then guarantee the comprehensiveness of detecting information, and then reduce the possibility that the detector takes place the wrong report, the popularization and the use of the product of being convenient for.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

wherein: 1. a spacer; 2. a closure; 3. an infrared detector; 4. a sealing part; 5. a controller; 6. an ultrasonic detector; 12. a light-transmitting portion; 121. a light transmission detection window; 122. an optical lens; 13. a support bar; 14. an inner closure; 21. a threaded inner sleeve; 22. an annular fixed plate; 23. and (7) installing holes.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1:

as shown in fig. 1-3, an anti-false alarm infrared detection device includes a partition member 1, a sealing member 2 and an infrared detector 3, the partition member 1 is movably and hermetically connected with the sealing member 2, a light transmission portion 12 is provided on the partition member 1, the infrared detector 3 is provided in the partition member 1 at a position corresponding to the light transmission portion 12, and the infrared detector 3 includes the infrared detector 3.

The utility model discloses an inside infrared detector 3 that sets up of isolator 1, again with through 4 sealing connection of sealing between isolator 1 and the closure member 2, be provided with printing opacity portion 12 on the isolator 1, conveniently carry out the detection to the outside in the relatively confined environment at infrared detector 3 of infrared detector 3, and then avoid the influence that external environment temperature variation probably caused infrared detector 3 work, thereby avoid the external environment variation to cause infrared detector 3 to take place the possibility of erroneous judgement, improve detection efficiency.

In the concrete implementation process, this device places infrared detector 3 in isolator 1, be connected enclosure 2 and isolator 1, it is sealed to make the junction through sealing portion 4, then fix in waiting to detect position department through enclosure 2, infrared detector 3 installs the position department that corresponds with printing opacity portion 12, can detect the outside through printing opacity portion 12, because infrared detector 3's device is in the confined environment, can reduce the factor that influences infrared detector detection effect such as difference in temperature or air current, thereby avoid external environment to change and cause infrared detector to take place the possibility of erroneous judgement, make detection effect better. The isolating piece 1 can adopt a cylindrical cover body, so that the space is saved.

More specifically, a heat insulating material such as heat insulating cotton may be attached to the outer wall of the spacer 1 except for the light transmitting portion 12, thereby further reducing the influence of the external environment.

Example 2:

as shown in fig. 1 to 3, based on embodiment 1, the light-transmitting portion 12 includes a light-transmitting detection window 121 and an optical lens 122, the light-transmitting detection window 121 is opened on the partition 1, and the optical lens 122 is installed in the light-transmitting detection window 121.

The optical lens 122 is installed in the light-transmitting detection window 121, so that the influence can be reduced when the infrared detector 3 detects, the detection coverage angle is increased, and the efficiency is improved.

Example 3:

as shown in fig. 1-3, based on embodiment 1, a threaded inner sleeve 21 is disposed at the bottom of the sealing member 2, the threaded inner sleeve 21 is in threaded connection with the inner wall of the isolation member 1, the threaded inner sleeve 21 is disposed at the bottom of the sealing member 2, and the threaded inner sleeve 21 is located at a position close to the center of the sealing member 2 and at a certain distance from the edge of the sealing member 2, so that when the threaded inner sleeve 21 is in threaded connection with the inner wall of the isolation member 1, the edge of the sealing member 2 protrudes out of the isolation member 1, and the sealing effect is better.

Annular fixed plate 22 is installed at closure 2 top, has evenly seted up mounting hole 23 on the annular fixed plate 22, adopts annular fixed plate 22 to be connected with fixed position department, can adjust the angle, sets up a plurality of mounting holes 23, can only carry out bolted connection to individuation mounting hole 23 as required.

Example 4:

as shown in fig. 1-3, on the basis of embodiment 1, an annular installation groove is formed on the isolation member 1, the sealing part 4 is arranged in the annular installation groove,

in the specific implementation process, the infrared detector 3 is arranged in the isolating piece 1, the isolating piece 1 is connected with the closing piece 2 in a sealing mode, the joint is sealed through the sealing part 4, the annular mounting groove is formed in the isolating piece 1, the sealing part 4 is placed in the annular mounting groove and filled between the isolating piece 1 and the closing piece 2, and the joint of the isolating piece 1 and the closing piece 2 is sealed.

More specifically, the annular mounting groove is located inside the partition member 1, the sealing portion 4 is an annular rubber sealing gasket and is grooved inside, and when the threaded inner sleeve 21 is connected with the inner wall of the partition member 1, the sealing portion 4 is filled in a closed space formed by the partition member 1, the bottom of the closing member 2 and the threaded inner sleeve 21, so that the joint is sealed. The outside of the isolating piece 1 can also form a certain effect of blocking the outside, the annular rubber sealing gasket can better play a sealing effect, and other flexible sealing materials can also be adopted to be manufactured into an annular shape for sealing.

More specifically, the thickness of the shape rubber sealing gasket is greater than the depth of the annular mounting groove, and the shape rubber sealing gasket is extruded to deform when the isolating piece 1 and the closing piece 2 are connected, so that the annular mounting groove can be better filled, and the sealing effect is better.

Example 5:

as shown in fig. 1-3, on the basis of embodiment 1, a support rod 13 is fixedly installed at the bottom inside the partition 1, an inner sealing part 14 is fixedly connected to the support rod 13, the infrared detector 3 includes an infrared detector 3 and a controller 5 electrically connected to the infrared detector 3, both the infrared detector 3 and the controller 5 are installed on the inner sealing part 14, and a power supply electrically connected to the controller 5 is installed inside the partition 1.

In the specific implementation process, the infrared detector 3 and the controller 5 are fixed in position, so that the position of the infrared detector 3 is prevented from moving, the infrared detector 3 cannot be detected through the light-transmitting part 12, the infrared detector 3 is controlled by the controller 5 to work, and the controller 5 is also electrically connected with a power supply; the controller 5 may also have an external power supply output.

More specifically, the sealing member 2 is provided with an ultrasonic detector 6, and the ultrasonic detector 6 is electrically connected with the controller 5;

in the specific implementation process of the scheme, the infrared detector 3 is placed in the isolating piece 1, the sealing part 4 is placed on the isolating piece 1, the sealing piece 2 is connected with the isolating piece 1 in a sealing mode, the sealing piece 2 is fixed at the position to be detected through the sealing piece 2, the infrared detector 3 is installed at the position corresponding to the light transmission part 12, the outside can be detected through the light transmission part 12, the infrared detector 3 is controlled to work through the controller 5 at the moment, the infrared detection operation can be achieved, information is fed back to the controller 5, meanwhile, the ultrasonic detector 6 is controlled to work through the controller 5, information in the detection range of the detector can be detected, the information is fed back to the controller 5, the controller comprehensively analyzes the information detected by the ultrasonic detector 6 and the infrared detector 3, and misjudgment easily occurs when detection is effectively carried out only through the infrared detector.

More specifically, the ultrasonic probe 6 is positioned directly above the light transmitting portion 12, and when the ultrasonic probe 6 performs detection, it is also positioned above the light transmitting portion 12, and the infrared probe 3 is also oriented in the direction of the light transmitting portion 12, so that the basic detection conditions such as the direction and distance of the object to be detected are the same, and errors are reduced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a prevent false positive infrared detection device which characterized in that: including separator (1), closure piece (2), infrared detector (3) and sealing (4), closure piece (2) and separator (1) swing joint are used for sealing inside separator (1), sealing (4) set up in separator (1) and closure piece (2) junction, be equipped with printing opacity portion (12) on separator (1), infrared detector (3) set up the position that corresponds printing opacity portion (12) in separator (1).

2. The infrared detection device of claim 1, characterized in that: the light-transmitting part (12) comprises a light-transmitting detection window (121) and an optical lens (122), the light-transmitting detection window (121) is arranged on the partition (1), and the optical lens (122) is arranged in the light-transmitting detection window (121).

3. The infrared detection device of claim 1, characterized in that: the bottom of the closing piece (2) is provided with a thread inner sleeve (21), and the thread inner sleeve (21) is in threaded connection with the inner wall of the isolating piece (1).

4. The infrared detection device of claim 1, characterized in that: an annular fixing plate (22) is installed at the top of the closing piece (2), and mounting holes (23) are uniformly formed in the annular fixing plate (22).

5. The infrared detection device against false alarm according to any one of claims 1 to 4, characterized in that: the partition (1) is provided with an annular mounting groove, and the sealing part (4) is arranged in the annular mounting groove.

6. The infrared detection device of claim 5, characterized in that: the annular mounting groove is located on the inner side of the partition (1), and the sealing part (4) is an annular rubber sealing gasket.

7. The infrared detection device of claim 6, characterized in that: the thickness of the rubber gasket is larger than the depth of the annular mounting groove.

8. The infrared detection device of claim 7, characterized in that: bottom fixed mounting has bracing piece (13) in isolator (1), fixedly connected with interior enclosure (14) on bracing piece (13), be provided with controller (5) of being connected with infrared detector (3) electricity in isolator (1), infrared detector (3) and controller (5) are all installed on interior enclosure (14), be provided with the power of being connected with controller (5) electricity in isolator (1).

9. The infrared detection device of claim 8, characterized in that: an ultrasonic detector (6) is installed on the closing piece (2), and the ultrasonic detector (6) is electrically connected with the controller (5).

10. The infrared detection device of claim 9, characterized in that: the ultrasonic detector (6) is positioned right above the light transmission part (12).

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