CN215494180U - Novel dual-mode infrared passive detector - Google Patents
Novel dual-mode infrared passive detector Download PDFInfo
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- CN215494180U CN215494180U CN202121386495.8U CN202121386495U CN215494180U CN 215494180 U CN215494180 U CN 215494180U CN 202121386495 U CN202121386495 U CN 202121386495U CN 215494180 U CN215494180 U CN 215494180U
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Abstract
The utility model relates to a double-mode infrared passive novel detector, which comprises a base and a shell, wherein the shell comprises a bottom shell and an upper shell which are matched and tightly covered, a control panel is arranged in the bottom shell, a mode switching key is arranged on the bottom shell, a loudspeaker is arranged in the upper shell, infrared sensors are arranged on the control panel, the two infrared sensors are arranged oppositely, a through hole is formed in the middle of the two infrared sensors on the control panel, a loudspeaker fixing column penetrating through the through hole is arranged on the inner wall of the bottom shell, two infrared reflection covers are respectively arranged on the inner wall of the upper shell corresponding to the two infrared sensors, two detection windows are respectively arranged on the upper shell corresponding to the two infrared reflection covers, a Fresnel lens is arranged on the inner wall of the upper shell corresponding to the detection windows, the infrared reflection covers and the Fresnel lens are detachably connected with the upper shell, and a positioning strip for positioning the infrared reflection covers is also arranged on the inner wall of the upper shell; the detector can be switched to a corresponding working mode through a mode switching key, and therefore integration of alarming and welcoming is achieved.
Description
Technical Field
The utility model relates to the technical field of security protection, in particular to a novel dual-mode infrared passive detector.
Background
The welcome machine is also called an induction doorbell, and can give out welcome voice as soon as a customer enters a door, so that a clerk is reminded of entering a store and welcoming the guest. The existing welcome machine mainly comprises two structures: light sensing and infrared sensing. The light sensation welcome device utilizes light reflected by a human body, the photoresistor obtains light with enough change, the circuit generates change current to trigger the circuit, the sensitivity is related to the reflectivity of an object, and the light sensation mode is related to light, so that the false alarm rate is high, and the device is not suitable for being used under the dark condition. The infrared induction type welcome device is used for inducing radiation generated by a human body, has a good detection effect and is widely used. However, the existing welcoming machine does not have the anti-theft alarm function when in use, so that a user needs to additionally configure an alarm, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the defects of the prior art and provide a novel dual-mode infrared passive detector, which can solve the above problems well.
In order to meet the requirements, the technical scheme adopted by the utility model for solving the technical problems is as follows:
the double-mode infrared passive novel detector comprises a base and a shell rotationally connected with the base in a damping mode, wherein the shell comprises a bottom shell and an upper shell which are matched and tightly covered, a control panel is arranged in the bottom shell, a mode switching key for controlling the control panel to switch different working modes is arranged on the bottom shell, a loudspeaker is arranged in the upper shell, two infrared sensors are arranged on the control panel and are opposite to each other, a through hole is arranged between the two infrared sensors on the control panel, a loudspeaker fixing column penetrating through the through hole is arranged on the inner wall of the bottom shell, two infrared reflecting covers are respectively arranged on the inner wall of the upper shell corresponding to the two infrared sensors, two detection windows are respectively arranged on the upper shell corresponding to the two infrared reflecting covers, and a Fresnel lens is arranged on the inner wall of the upper shell corresponding to the detection windows, the infrared reflection cover and the Fresnel lens are detachably connected with the upper shell, and a positioning strip for positioning the infrared reflection cover is further arranged on the inner wall of the upper shell.
According to the dual-mode infrared passive novel detector, the positioning groove for positioning the Fresnel lens is formed in the inner wall of the upper shell.
According to the dual-mode infrared passive novel detector, the positioning strip is located on one side, close to the loudspeaker, of the positioning groove, and the infrared reflecting cover is provided with a clamping groove for the positioning strip to be clamped in.
According to the dual-mode infrared passive novel detector, the infrared reflection cover is connected with the upper shell through the buckle, and when the infrared reflection cover is assembled to a position, the Fresnel lens is abutted to the positioning groove through the infrared reflection cover.
According to the dual-mode infrared passive novel detector, the loudspeaker positioning cavity matched with the loudspeaker is formed in the inner wall of the upper shell, the loudspeaker lifting hole communicated with the outside is formed in the inner wall of the loudspeaker positioning cavity, and when the dual-mode infrared passive novel detector is assembled in place, the loudspeaker is positioned in the loudspeaker positioning cavity through the loudspeaker fixing column.
The double-mode infrared passive novel detector comprises a bottom shell body, wherein a battery positioning cavity is formed in a side wall of the bottom shell body, which is far away from an upper shell, in a concave mode, a battery for supplying power to a control panel is arranged in the battery positioning cavity, the bottom shell further comprises a bottom cover for sealing the battery positioning cavity, the bottom cover is detachably connected with the bottom shell body, a fixed shaft is arranged on one side wall of the bottom cover, which is far away from the bottom shell body, the tail end of the fixed shaft is provided with a spherical joint, a fixed seat is connected to the spherical joint in a damping rotation mode, and the fixed seat forms the base.
According to the double-mode infrared passive novel detector, a fixing plate is detachably arranged on one side, away from the bottom shell body, of the bottom cover, and the fixing shaft is arranged on the fixing plate.
According to the double-mode infrared passive novel detector, the fixing seat is provided with the fixing hole, and the side, away from the bottom shell body, of the fixing seat is provided with the adhesive layer.
According to the double-mode infrared passive novel detector, the side wall of the bottom shell body is provided with the charging port and the power on/off key, and the mode switching key is located on the bottom shell body.
The utility model has the beneficial effects that: the utility model discloses a double-mode infrared passive novel detector, which can be switched to a corresponding working mode through a mode switching key when needed, further realize the integration of an alarm mode and a welcome mode, and reduce the equipment purchase cost of a user.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
fig. 1 is an overall view of the dual mode infrared passive novel detector of the present invention.
Fig. 2 is an exploded view of the overall structure of the dual-mode infrared passive novel detector of the utility model.
Fig. 3 is an exploded view of the overall structure of the dual mode infrared passive novel detector of the present invention.
Fig. 4 is an exploded view of the overall structure of the dual mode infrared passive novel detector of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The dual-mode infrared passive novel detector of the preferred embodiment of the present invention, as shown in fig. 1-4, comprises a base 1 and a casing 2 rotationally connected to the base, the casing 2 comprises a bottom casing 201 and an upper casing 202 tightly covered in a matching manner, a control board 3 is disposed in the bottom casing 201, a mode switching key 4 for controlling the control board 3 to switch different working modes is disposed on the bottom casing 201, a speaker 100 is disposed in the upper casing 202, an infrared sensor 5 is disposed on the control board 3, the infrared sensors 5 are disposed in two and opposite positions, a through hole 6 is disposed in the control board 3 between the two infrared sensors 5, a speaker fixing post 7 passing through the through hole 6 is disposed on the inner wall of the bottom casing 201, two infrared reflection covers 8 are respectively disposed on the inner wall of the upper casing 202 corresponding to the two infrared sensors 5, the infrared reflection covers 8 are in a horn-shaped structure to reflect and gather more infrared rays onto the infrared sensors 5, the upper shell 202 is respectively provided with two detection windows 9 corresponding to the two infrared reflection covers 8, the inner wall of the upper shell 202 is provided with a Fresnel lens 10 corresponding to the detection windows 9, the infrared reflection covers 8 and the Fresnel lens 10 are detachably connected with the upper shell 202, the inner wall of the upper shell 202 is also provided with a positioning strip 11 for positioning the infrared reflection covers 8, when needed, the detector can be switched to a corresponding working mode through a mode switching key 4, so that the integration of an alarm mode and a welcome mode is realized, the equipment purchase cost of a user is reduced, the device has simple integral structure, is convenient to assemble and disassemble, is more beneficial to the development of later maintenance or maintenance work, the base 1 and the shell 2 are connected in a damping rotating manner, so that the detection angle is convenient to adjust, the detection range is expanded, the shell is provided with the double infrared sensors 5, so that the detection accuracy is improved, and the shell 2 is set in a horizontal state during installation, no matter the personnel move from left to right or in the opposite direction, can all detect accurately, compare single sensor, greatly reduced the probability of false triggering.
Preferably, the inner wall of the upper shell 202 is provided with a positioning groove 12 for positioning the fresnel lens 10, the positioning strip 11 is located on one side of the positioning groove 12 close to the speaker, and the infrared reflection cover 8 is provided with a clamping groove 13 for the positioning strip 11 to be clamped in, so as to conveniently assemble and position the infrared reflection cover 8.
Preferably, the infrared reflection cover 8 is connected with the upper shell 202 through a buckle 14, so that the assembly is convenient, and when the assembly is in place, the infrared reflection cover 8 abuts against the Fresnel lens 10 in the positioning groove 12, so that the assembly efficiency can be improved.
Preferably, the inner wall of the upper shell 202 is provided with a speaker positioning cavity 15 adapted to the speaker, the inner wall of the speaker positioning cavity 15 is provided with a speaker hole 16 communicated with the outside, and when the loudspeaker positioning cavity is assembled in place, the speaker fixing column 7 positions the speaker in the speaker positioning cavity 15 to enhance sound waves and improve the function of loud sound reminding.
Preferably, the bottom case 201 includes a bottom case body 2a, a battery positioning cavity 17 is formed in a side wall of the bottom case body 2a away from the upper case 202 in a concave manner, a battery 18 for supplying power to the control board 3 is arranged in the battery positioning cavity 17, the bottom case 201 further includes a bottom cover 2b for sealing the battery positioning cavity 17, the bottom cover 2b is detachably connected with the bottom case body 2a, a fixing shaft 26 is arranged on a side wall of the bottom cover 2b away from the bottom case body 2a, a ball joint 19 is arranged at the tail end of the fixing shaft 26, a fixing seat 20 is rotatably connected to the ball joint 19 in a damping manner, the fixing seat 20 forms the base 1, on one hand, the battery 18 is conveniently disassembled and replaced, and on the other hand, the detection range can be enlarged.
Preferably, a fixing plate 25 is detachably disposed on one side of the bottom cover 2b away from the bottom case body 2a, and a fixing shaft 26 is disposed on the fixing plate 25 to improve the stability of the fixing shaft 18 and facilitate injection molding.
Preferably, the fixing seat 20 is provided with a fixing hole 21, and one side of the fixing seat 20 away from the bottom case body 2a is provided with an adhesive layer 22, so that different annular fixing modes can be selected.
Preferably, a charging port 23 and an on/off button 24 are disposed on a sidewall of the bottom case body 2a, and the mode switching button 4 is disposed on the bottom case body 2 a.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
Claims (9)
1. A double-mode infrared passive novel detector is characterized by comprising a base and a shell rotationally connected with the base in a damping mode, wherein the shell comprises a bottom shell and an upper shell which are tightly covered in a matching mode, a control panel is arranged in the bottom shell, a mode switching key for controlling the control panel to switch different working modes is arranged on the bottom shell, a loudspeaker is arranged in the upper shell, two infrared sensors are arranged on the control panel and are opposite to each other, a through hole is formed in the middle of the two infrared sensors on the control panel, a loudspeaker fixing column penetrating through the through hole is arranged on the inner wall of the bottom shell, two infrared reflection covers are respectively arranged on the inner wall of the upper shell corresponding to the two infrared sensors, two detection windows are respectively arranged on the upper shell corresponding to the two infrared reflection covers, and a Fresnel lens is arranged on the inner wall of the upper shell corresponding to the detection windows, the infrared reflection cover and the Fresnel lens are detachably connected with the upper shell, and a positioning strip for positioning the infrared reflection cover is further arranged on the inner wall of the upper shell.
2. A dual-mode infrared passive novel detector as defined in claim 1, wherein the inner wall of the upper shell is provided with a positioning groove for positioning the fresnel lens.
3. The dual-mode infrared passive novel detector as claimed in claim 2, wherein the positioning bar is located on one side of the positioning groove close to the speaker, and a clamping groove for the positioning bar to be clamped into is arranged on the infrared reflection cover.
4. A novel dual mode infrared passive detector as defined in claim 3, wherein the infrared reflective hood is snap-fit to the top shell, and when assembled in place, the infrared reflective hood holds the Fresnel lens against the detent.
5. A dual-mode infrared passive novel detector as claimed in claim 1, wherein a speaker positioning cavity adapted to the speaker is provided on the inner wall of the upper housing, a speaker hole communicating with the outside is provided on the inner wall of the speaker positioning cavity, and when the dual-mode infrared passive novel detector is assembled in place, the speaker fixing column positions the speaker in the speaker positioning cavity.
6. The dual-mode infrared passive novel detector according to claim 1, wherein the bottom shell includes a bottom shell body, a battery positioning cavity is formed in a side wall of the bottom shell body facing away from the upper shell in a recessed manner, a battery for supplying power to the control board is disposed in the battery positioning cavity, the bottom shell further includes a bottom cover for sealing the battery positioning cavity, the bottom cover is detachably connected to the bottom shell body, a fixed shaft is disposed on a side wall of the bottom cover facing away from the bottom shell body, a spherical joint is disposed at an end of the fixed shaft, a fixed seat is rotatably connected to the spherical joint in a damping manner, and the fixed seat forms the base.
7. A novel dual-mode infrared passive detector as claimed in claim 6, wherein a fixing plate is detachably disposed on a side of the bottom cover facing away from the bottom shell body, and the fixing shaft is disposed on the fixing plate.
8. A novel dual-mode infrared passive detector as claimed in claim 6, wherein the fixing base is provided with a fixing hole, and an adhesive layer is provided on a side of the fixing base facing away from the bottom shell body.
9. A novel dual-mode infrared passive detector as claimed in claim 6, wherein a charging port and an on/off button are provided on the side wall of the bottom shell, and the mode switching button is located on the bottom shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121386495.8U CN215494180U (en) | 2021-06-21 | 2021-06-21 | Novel dual-mode infrared passive detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121386495.8U CN215494180U (en) | 2021-06-21 | 2021-06-21 | Novel dual-mode infrared passive detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494180U true CN215494180U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121386495.8U Active CN215494180U (en) | 2021-06-21 | 2021-06-21 | Novel dual-mode infrared passive detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494180U (en) |
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2021
- 2021-06-21 CN CN202121386495.8U patent/CN215494180U/en active Active
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