CN216053227U - Indoor passive infrared mobile detector - Google Patents
Indoor passive infrared mobile detector Download PDFInfo
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- CN216053227U CN216053227U CN202122274421.1U CN202122274421U CN216053227U CN 216053227 U CN216053227 U CN 216053227U CN 202122274421 U CN202122274421 U CN 202122274421U CN 216053227 U CN216053227 U CN 216053227U
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Abstract
The utility model provides an indoor passive infrared mobile detector. The indoor passive infrared mobile detector comprises a protective shell, a lens for collecting external light, a PCBA board, an infrared tube for receiving the light refracted by the lens and an LED lamp for sending an alarm signal, wherein the lens is installed in the protective shell, the PCBA board is fixedly connected to one side of the lens, the infrared tube is electrically connected to the PCBA board, the infrared tube faces the lens, and the LED lamp is electrically connected to the PCBA board.
Description
Technical Field
The utility model relates to the technical field of infrared detectors, in particular to an indoor passive infrared mobile detector.
Background
The development of the wireless passive infrared detector is not perfect in the current security protection system, more or less problems and defects still exist, and due to the influence of external interference and space barriers, a plurality of technical limitations exist, and the wireless passive infrared detector is mainly embodied in the following aspects:
distance problem: although the wireless product saves much trouble of wiring and waste of materials, can perfect space, has wide vision and saves much manpower, material resources and financial resources, the wireless transmitting and receiving distance is greatly influenced by the influence of space barriers; appearance structure: the device is heavy and not beneficial to the installation of products; meanwhile, the infrared passive infrared detector in the prior art still has the risk of being detached forcibly when in use.
Therefore, it is urgently needed to redesign a new passive infrared mobile detector for indoor use to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an indoor passive infrared mobile detector, which aims to solve the technical problems in the background technology.
The utility model provides an indoor passive infrared mobile detector which comprises a protective shell, a lens for collecting external light, a PCBA (printed Circuit Board Assembly), an infrared tube for receiving the light refracted by the lens and an LED (light emitting diode) lamp for sending an alarm signal, wherein the lens is arranged in the protective shell, the PCBA is fixedly connected to one side of the lens, the infrared tube is electrically connected to the PCBA, the infrared tube faces towards the lens, and the LED lamp is electrically connected to the PCBA.
Optionally, the protective shell comprises a face shell and a bottom shell, and the face shell and the bottom shell are detachably connected.
Optionally, a light inlet through hole for collecting external light is formed in the face shell, and the light inlet through hole is opposite to the lens.
Optionally, be provided with the adjusting knob that is used for improving PCBA board stability in the protective housing, adjusting knob one end and protective housing inner wall fixed connection, the adjusting knob other end and PCBA board butt.
Optionally, be provided with the anti-disassembly switch that is used for detecting the protective housing state on the PCBA board, anti-disassembly switch and PCBA board electric connection.
Optionally, a bracket for improving the connection stability of the PCBA board and the lens is arranged between the PCBA board and the lens.
Optionally, the lens is of an inner concave structure, the support is of an outer convex structure, and the lens and the support are matched with each other just.
Optionally, a plurality of reinforcing ribs for improving the impact resistance of the protective shell are arranged on the inner wall of the protective shell, and the plurality of reinforcing ribs are arranged at equal intervals.
Optionally, a signal amplification unit, a micro-processing unit and a relay output unit are further arranged in the PCBA, the signal amplification unit is electrically connected with the infrared tube, the micro-processing unit is electrically connected with the signal amplification unit, one end of the relay output unit is electrically connected with the micro-processing unit, and the other end of the relay output unit is electrically connected with the LED lamp.
The utility model has the following beneficial effects:
the indoor passive infrared mobile detector comprises a protective shell, a lens for collecting external light, a PCBA board, an infrared tube for receiving the light refracted by the lens and an LED lamp for sending an alarm signal, wherein the lens is installed in the protective shell, the PCBA board is fixedly connected to one side of the lens, the infrared tube is electrically connected to the PCBA board, the infrared tube faces the lens, and the LED lamp is electrically connected to the PCBA board.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an exploded structure of a passive infrared motion detector for indoor use provided by the present invention;
fig. 2 is a schematic diagram of the internal structure of the PCBA board of the indoor passive infrared mobile detector provided by the utility model.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 2, fig. 1 is a schematic diagram illustrating an explosion structure of an indoor passive infrared mobile detector according to the present invention; fig. 2 is a schematic diagram of the internal structure of a PCBA board 300 of the indoor passive infrared motion detector provided by the utility model.
The indoor passive infrared mobile detector comprises a protective shell, a lens 200 for collecting external light, a PCBA board 300, an infrared tube 400 for receiving the light refracted by the lens 200 and an LED lamp 500 for sending an alarm signal;
The protective shell plays a role in fixing and protecting each structure installed inside the protective shell, meanwhile, the lens 200 can amplify infrared light which penetrates through the protective shell from the external environment and enters the lens 200, and then the focal position of the lens 200 corresponds to the installation position of the infrared tube 400 exactly, so that the lens 200 refracts and amplifies the external infrared light and irradiates the infrared tube 400, the infrared tube 400 reflects the information of the signal period, amplitude, polarity and the like of the infrared light, the data obtained by analysis can reflect the speed, the heat release infrared energy and the displacement in unit time of a moving object specifically, and whether the received information is a human body is judged by comparing the data with preset data, so that the accuracy of the infrared tube infrared tube infrared tube infrared tube;
meanwhile, when the infrared tube 400 recognizes that the external infrared signal is a human body, the infrared tube 400 sends an alarm signal to the PCBA board 300, so that the PCBA board 300 controls the LED lamp 500 to enter a working state to play a role of alarming, of course, the LED lamp 500 can also be replaced by an alarm, when the infrared tube 400 detects the human body infrared signal, the PCBA board 300 controls the alarm to send the alarm signal so that a user can know that the human body is detected by the utility model in real time, and a better early warning effect is achieved, so that the utility model can better recognize an intrusion signal, more effectively reduce the false alarm rate and the false alarm rate of the wireless passive infrared detector, better exert the performance of the product, and avoid the trouble and trouble of wiring, save a lot of manpower, material resources and financial resources, and further, the utility model adopts RF to wirelessly send and receive signals, the Fresnel lens 200 can be used as the lens 200, so that the capturing performance of external light rays can be improved, and the overall detection performance of the Fresnel lens can be improved.
In the present embodiment, the protective case includes a cover 110 and a bottom case 120, and the cover 110 and the bottom case 120 are detachably connected.
The protective shell is divided into the face shell 110 and the bottom shell 120, and the face shell 110 and the bottom shell 120 are detachably connected, so that when a user uses the utility model, if the internal structure of the utility model is damaged, the user can detach the face shell 110 and the bottom shell 120, and the user can conveniently check, maintain or replace the internal structure of the face shell 110 and the bottom shell 120, thereby improving the convenience of use of the utility model.
In this embodiment, the face shell 110 is provided with a light inlet through hole 111 for collecting external light, and the light inlet through hole 111 faces the lens 200.
When the indoor passive infrared mobile detector is installed, firstly, the light inlet through hole 111 on the panel shell 110 is ensured to be opposite to the area to be detected, so that external light can enter the interior of the detector through the light inlet through hole 111, the light of the external area to be detected can be ensured to enter the panel shell 110 through the light inlet through hole 111 in time, and the detection and early warning effect of the detector on the external environment is further improved.
In this embodiment, be provided with the adjust knob 130 that is used for improving PCBA board 300 stability in the protective housing, adjust knob 130 one end and protective housing inner wall fixed connection, adjust knob 130 other end and PCBA board 300 butt.
Wherein, thereby adjust button 130 and PCBA board 300 butt can improve PCBA board 300's stability, reduce PCBA board 300 promptly and take place to rock when using to PCBA board 300's working property has been guaranteed.
In this embodiment, PCBA board 300 is provided with tamper switch 310 for detecting the state of the protective housing, and tamper switch 310 is electrically connected to PCBA board 300.
Wherein, prevent tearing open switch 310 can be a sensor to make prevent tearing open switch 310 can real-time detection protective housing and prevent tearing open the distance between the switch 310, damaged by external intruder when the protective housing, thereby when making the protective housing and prevent tearing open the distance between the switch 310 and changing, prevent tearing open switch 310 and send alarm signal to PCBA board 300, thereby PCBA board 300 control LED lamp 500 scintillation, and then make the user learn to have the intruder to damage the protective housing.
In this embodiment, a bracket 320 for improving the connection stability between the PCBA board 300 and the lens 200 is provided between the PCBA board 300 and the lens 200.
The support 320 can ensure the stability of the lens 200, that is, ensure that the focus of the lens 200 is not easily changed, thereby improving the detection accuracy of the present invention.
In this embodiment, the lens 200 has an inner concave structure, the frame 320 has an outer convex structure, and the lens 200 and the frame 320 are matched with each other.
The lens 200 and the bracket 320 are matched with each other just, so that the supporting and fixing effect of the bracket 320 on the lens 200 can be further improved, the lens 200 has better stability, the focus of the lens 200 is fixed, and the light passing through the lens 200 is guaranteed to be totally refracted into the infrared tube 400, so that the practical accuracy of the utility model is improved.
In this embodiment, a plurality of reinforcing ribs 140 for improving the impact resistance of the protective shell are arranged on the inner wall of the protective shell, and the plurality of reinforcing ribs 140 are arranged at equal intervals.
The reinforcing ribs 140 can improve the impact resistance of the protective shell, so that the service life of the whole protective shell is prolonged.
In this embodiment, the PCBA board 300 further includes a signal amplifying unit 330, a microprocessor unit 340 and a relay output unit 350, the signal amplifying unit 330 is electrically connected to the infrared tube 400, the microprocessor unit 340 is electrically connected to the signal amplifying unit 330, one end of the relay output unit 350 is electrically connected to the microprocessor unit 340, and the other end of the relay output unit 350 is electrically connected to the LED lamp 500.
When the infrared tube 400 detects that human infrared rays meeting a preset value exist, firstly, human infrared signals are sent to the signal amplification unit 330, the signal amplification unit 330 amplifies detection data of the infrared tube 400 and forwards the detection data to the microprocessor unit 340, the microprocessor unit 340 is a single chip microcomputer, the microprocessor unit 340 further analyzes and compares the data, accordingly, it is judged that a moving object is a human body, then confirmation information is sent to the relay output unit 350, the relay output unit 350 sends alarm working signals to the LED lamp 500 after receiving the confirmation information, and therefore the LED lamp 500 is enabled to enter a working state, and a user can know that a person enters a detection area in real time.
The indoor passive infrared mobile detector comprises a protective shell, a lens 200 for collecting external light, a PCBA board 300, an infrared tube 400 for receiving the light refracted by the lens 200 and an LED lamp 500 for sending an alarm signal, wherein the lens 200 is installed in the protective shell, the PCBA board 300 is fixedly connected to one side of the lens 200, the infrared tube 400 is electrically connected to the PCBA board 300, and the infrared tube 400 faces the lens 200, the LED lamp 500 is electrically connected to the PCBA board 300, wherein, the utility model has delicate appearance, small size, portability and convenient installation, simultaneously, the utility model has high sensitivity and can effectively identify the external infrared light, therefore, high-quality identification of external infrared light is achieved, and due to the arrangement of the anti-dismantling switch 310, an alarm signal can be sent out in real time when the anti-dismantling device is damaged by an intruder, so that malicious damage of the intruder to a product can be effectively prevented, and the use safety of the anti-dismantling device is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An indoor passive infrared mobile detector is characterized by comprising
A protective shell;
the lens is used for collecting external light rays and is arranged in the protective shell;
the PCBA board is fixedly connected to one side of the lens;
the infrared tube is used for receiving the light rays refracted by the lens, the infrared tube is electrically connected to the PCBA board, and the infrared tube faces the lens;
and the LED lamp is electrically connected to the PCBA board.
2. The indoor passive infrared motion detector of claim 1, wherein the protective shell comprises a face shell and a bottom shell, the face shell and the bottom shell being detachably connected.
3. The indoor passive infrared mobile detector as claimed in claim 2, wherein the face casing is provided with a light inlet through hole for collecting external light, and the light inlet through hole is opposite to the lens.
4. The indoor passive infrared movement detector as claimed in claim 1, wherein an adjusting knob for improving the stability of the PCBA is arranged in the protective shell, one end of the adjusting knob is fixedly connected with the inner wall of the protective shell, and the other end of the adjusting knob abuts against the PCBA.
5. The indoor passive infrared movement detector as claimed in claim 1, wherein a tamper switch for detecting the state of the protective case is provided on the PCBA board, and the tamper switch is electrically connected to the PCBA board.
6. The indoor passive infrared movement detector as claimed in claim 1, wherein a support for improving connection stability of the PCBA board and the lens is provided between the PCBA board and the lens.
7. The passive infrared motion detector as claimed in claim 6, wherein the lens has an inner concave structure and the holder has an outer convex structure, and the lens and the holder are fitted with each other.
8. The indoor passive infrared motion detector as claimed in claim 1, wherein a plurality of ribs are disposed on the inner wall of the protective shell to improve the impact resistance of the protective shell, and the plurality of ribs are disposed at equal intervals.
9. The indoor passive infrared movement detector according to claim 1, wherein a signal amplification unit, a microprocessor unit and a relay output unit are further arranged in the PCBA, the signal amplification unit is electrically connected with the infrared tube, the microprocessor unit is electrically connected with the signal amplification unit, one end of the relay output unit is electrically connected with the microprocessor unit, and the other end of the relay output unit is electrically connected with the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274421.1U CN216053227U (en) | 2021-09-18 | 2021-09-18 | Indoor passive infrared mobile detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274421.1U CN216053227U (en) | 2021-09-18 | 2021-09-18 | Indoor passive infrared mobile detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216053227U true CN216053227U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122274421.1U Active CN216053227U (en) | 2021-09-18 | 2021-09-18 | Indoor passive infrared mobile detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216053227U (en) |
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2021
- 2021-09-18 CN CN202122274421.1U patent/CN216053227U/en active Active
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