CN220543425U - Alarm system that law enforcement appearance camera lens was sheltered from - Google Patents
Alarm system that law enforcement appearance camera lens was sheltered from Download PDFInfo
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- CN220543425U CN220543425U CN202322071892.1U CN202322071892U CN220543425U CN 220543425 U CN220543425 U CN 220543425U CN 202322071892 U CN202322071892 U CN 202322071892U CN 220543425 U CN220543425 U CN 220543425U
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- 239000003990 capacitor Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of law enforcement instruments, in particular to an alarm system for shielding a lens of a law enforcement instrument, which comprises an image sensor, an optical/distance sensor chip U2, a microcomputer controller, a display screen, an audible and visual alarm device, the image sensor, the optical/distance sensor chip U2, the display screen and the audible and visual alarm device which are all electrically connected with the microcomputer controller, wherein the image sensor is used for capturing peripheral images of the law enforcement instrument, when a camera of a law enforcement instrument product is accidentally shielded by a user, the camera does not need to be actively perceived by the user, the law enforcement instrument can acquire peripheral environment information of the camera through the optical/distance sensor chip and timely send alarm information through the audible and visual alarm device, so that the working state of the law enforcement instrument is reminded to the user, and meanwhile, the law enforcement instrument is ensured to work in normal environment, so that the use effect is prevented from being influenced because important evidence materials are not recorded.
Description
Technical Field
The utility model relates to the technical field of law enforcement instruments, in particular to an alarm system with a lens of a law enforcement instrument shielded.
Background
The prior law enforcement instrument technology only focuses on the beginning and ending of video recording, has no positive response to some emergencies occurring in the recording process, such as the camera of the law enforcement instrument is unintentionally blocked by clothes, or when the law enforcement instrument is carelessly inclined and prone on a table, the recorded video is basically not needed by a user, so that evidence materials are lost, and a lot of inconvenience is caused for the user.
Disclosure of Invention
The utility model provides an alarm system with alarm and prompt functions for shielding a law enforcement instrument lens, which aims to solve the defects and shortcomings of the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is an alarm system for shielding a lens of a law enforcement instrument, which comprises an image sensor, an optical/distance sensor chip U2, a microcomputer controller, a display screen, an audible and visual alarm device, wherein the image sensor, the optical/distance sensor chip U2, the display screen and the audible and visual alarm device are all electrically connected with the microcomputer controller, the image sensor is used for capturing peripheral images of the law enforcement instrument, the optical/distance sensor chip U2 is used for detecting whether an object has a camera close to the law enforcement instrument and detecting ambient light intensity of the law enforcement instrument, the display screen is used for displaying pictures captured by the image sensor, and the audible and visual alarm device is used for alarming and prompting when the camera of the law enforcement instrument is shielded.
Further; the alarm system further comprises a first resistor, a second resistor, a third resistor, a first filter capacitor and a second filter capacitor, wherein one end of the first filter capacitor is connected with VDD of the optical/distance sensor chip U2, the other end of the first filter capacitor is connected with GND of the optical/distance sensor chip U2, the SDA pin of the optical/distance sensor chip U2 is connected with the SDA pin of the microcomputer controller, the SCL pin of the optical/distance sensor chip U2 is connected with the SCL pin of the microcomputer controller, the INT pin of the optical/distance sensor chip U2 is connected with the INT pin of the microcomputer controller, one end of the second filter capacitor is grounded, the other end of the second filter capacitor is connected with the LEDA pin of the optical/distance sensor chip U2, the first resistor is connected with the third resistor in series, one end of the SDA pin of the optical/distance sensor chip U2 is connected with the SDA pin of the microcomputer controller, the other end of the INT pin of the optical/distance sensor chip U2 is connected with the SCL pin of the microcomputer controller, and the other end of the SCL pin of the optical/distance sensor chip U2 is connected with the SCL pin of the common resistor.
Further; the microcomputer controller comprises a main controller, a memory and a power manager, wherein the memory and the power manager are electrically connected with the main controller.
Further; the image sensor collects environmental image data and then transmits the environmental image data to the microcomputer controller, and the microcomputer controller processes the image through the encoding and decoding processing unit, stores video into the memory and simultaneously transmits the image to the display screen in real time.
Further; the audible and visual alarm device comprises a loudspeaker and an alarm lamp, and the loudspeaker and the alarm lamp are electrically connected with the main controller.
Further; the model of the light/distance sensor chip U2 is LTR-553ALS-01.
The utility model has the beneficial effects that:
the utility model provides an alarm system for shielding a law enforcement instrument lens, when a law enforcement instrument product is accidentally shielded in a user process, a camera does not need to be actively perceived by a user, the law enforcement instrument can acquire surrounding environment information of the camera through an optical/distance sensor chip and then timely send alarm information through an audible and visual alarm device, so that the working state of the law enforcement instrument is reminded to the user, and meanwhile, the law enforcement instrument is ensured to work in a normal environment, and the influence on the use effect caused by the fact that important evidence materials are not recorded is prevented.
Drawings
FIG. 1 is a block diagram of an alarm system with a law enforcement instrument lens occluded;
FIG. 2 is a schematic diagram of an alarm system with a law enforcement instrument lens occluded in accordance with the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides an alarm system for shielding a law enforcement instrument lens.
In the embodiment of the utility model, as shown in fig. 1-2, the alarm system for shielding the law enforcement instrument lens comprises an image sensor, an optical/distance sensor chip U2, a microcomputer controller, a display screen, an audible and visual alarm device, wherein the image sensor, the optical/distance sensor chip U2, the display screen and the audible and visual alarm device are all electrically connected with the microcomputer controller, the image sensor is used for capturing peripheral images of the law enforcement instrument, the optical/distance sensor chip U2 is used for detecting whether an object has a camera close to the law enforcement instrument and detecting the ambient light intensity of the law enforcement instrument, and the display screen is used for displaying pictures captured by the image sensor.
In this embodiment, the alarm system further includes a first resistor, a second resistor, a third resistor, a first filter capacitor and a second filter capacitor, where one end of the first filter capacitor is connected to VDD of the optical/distance sensor chip U2, the other end is connected to GND of the optical/distance sensor chip U2, the SDA pin of the optical/distance sensor chip U2 is connected to the SDA pin of the microcomputer controller, the SCL pin of the optical/distance sensor chip U2 is connected to the SCL pin of the microcomputer controller, the INT pin of the optical/distance sensor chip U2 is connected to the INT pin of the microcomputer controller, one end of the second filter capacitor is grounded, the other end is connected to the SDA pin of the optical/distance sensor chip U2, one end is connected to the SDA pin of the optical/distance sensor chip U2 and the public end of the microcomputer controller, the other end is connected to the INT pin of the optical/distance sensor chip U2 and the public end of the SCL pin of the microcomputer controller, and the other end is connected to the SCL pin of the public end of the optical/distance sensor chip U2 and the public end of the SCL pin of the microcomputer controller.
In this embodiment, the microcomputer controller includes a main controller, a memory, and a power manager, where the memory and the power manager are electrically connected to the main controller.
In this embodiment, the image sensor collects environmental image data and transmits the environmental image data to the microcomputer controller, and the microcomputer controller processes the image through the encoding and decoding processing unit and stores the video in the memory, and simultaneously transmits the image to the display screen in real time.
In this embodiment, the audible and visual alarm device includes a speaker and an alarm lamp, both of which are electrically connected to the main controller.
In this embodiment, the light/distance sensor chip U2 is of the type LTR-553ALS-01.
After the image data of the surrounding environment of the law enforcement instrument is acquired through the image sensor, the image data is transmitted to a microcomputer controller of the law enforcement instrument, the microcomputer controller processes the image through a coding and decoding processing unit and stores video into a memory, and meanwhile, the image data is transmitted to a display screen in real time, so that a user can watch the current shooting video. When the law enforcement appearance is sheltered from by the barrier, the function of sheltering from the alarm is realized through light/distance sensor chip U2, light/distance sensor chip U2 internal integration infrared LED lamp drive distance sensor and low-power consumption I2C digital communication light sensor, wherein distance sensor is by a pair of infrared signal emitting diode and infrared signal receiving diode synthesis, infrared signal emitting diode transmits the infrared signal of specific frequency, infrared signal receiving diode receives the infrared signal of this kind of frequency, when the detection direction of infrared signal emitting diode meets the barrier, infrared signal reflection is received and is fed back to microcomputer controller by infrared signal receiving diode, simultaneously, in order to improve detection precision, combine light sensor and distance sensor together and use, light sensor can real-time response ambient light intensity, when the law enforcement appearance is sheltered from, light intensity weakens, the light sensor communicates with main control unit through I2C interface after sensing light intensity, according to the information that distance sensor and light sensor feedback received, main control unit acquires the law enforcement appearance and has to be blocked by the barrier, thereby send signal output warning pilot lamp and speaker, play the warning effect. The power supply VDD flowing into the light/distance sensor chip U2 supplies power to the light/distance sensor chip U2 after passing through the first filter capacitor C1, the power supply VLED supplies power to the infrared LED inside the light/distance sensor chip U2 after passing through the second filter capacitor C2, the LDR/LDK is the LED driving control inside the light/distance sensor chip U2, the light/distance sensor chip U2 exchanges information with the main controller through an I2C communication protocol after being blocked by the law enforcement instrument, and the main controller sends an alarm prompt after receiving the information.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (6)
1. The utility model provides an alarm system that law enforcement appearance camera lens was sheltered from, its characterized in that includes image sensor, light/distance sensor chip U2, microcomputer controller, display screen, audible and visual alarm, image sensor, light/distance sensor chip U2, display screen, audible and visual alarm all with microcomputer controller electricity is connected, image sensor is used for taking law enforcement appearance peripheral image, light/distance sensor chip U2 is used for detecting whether the object has the camera that is close to the law enforcement appearance and detects law enforcement appearance surrounding environment luminous intensity, the display screen is used for showing the picture that image sensor took, audible and visual alarm is used for reporting to the police and suggestion when the camera of law enforcement appearance was sheltered from.
2. The alarm system of claim 1, wherein the alarm system further comprises a first resistor, a second resistor, a third resistor, a first filter capacitor and a second filter capacitor, one end of the first filter capacitor is connected with VDD of the optical/distance sensor chip U2, the other end is connected with GND of the optical/distance sensor chip U2, the SDA pin of the optical/distance sensor chip U2 is connected with the SDA pin of the microcomputer controller, the SCL pin of the optical/distance sensor chip U2 is connected with the SCL pin of the microcomputer controller, the INT pin of the optical/distance sensor chip U2 is connected with the INT pin of the microcomputer controller, one end of the second filter capacitor is grounded, the other end is connected with the led a pin of the optical/distance sensor chip U2, the first resistor is connected with the third resistor in series, one end is connected with the SDA pin of the optical/distance sensor chip U2, the SCL pin of the other end is connected with the SCL pin of the microcomputer controller, and the other end is connected with the SCL pin of the public resistor of the other end of the optical/distance sensor chip U2.
3. The system of claim 2, wherein the microcomputer controller comprises a main controller, a memory and a power manager, wherein the memory and the power manager are electrically connected with the main controller.
4. A law enforcement instrument lens-blocked alarm system according to claim 3 wherein the image sensor collects ambient image data and transmits the ambient image data to a microcomputer controller, the microcomputer controller processes the image through a codec processing unit and stores the video in a memory, and simultaneously transmits the image to the display screen in real time.
5. A law enforcement instrument lens-blocked alarm system according to claim 3 wherein said audible and visual alarm means comprises a speaker and alarm lamp, both of which are electrically connected to said main controller.
6. A law enforcement instrument lens-blocked alarm system according to claim 2 wherein said light/distance sensor chip U2 is of the type LTR-553ALS-01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071892.1U CN220543425U (en) | 2023-08-01 | 2023-08-01 | Alarm system that law enforcement appearance camera lens was sheltered from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322071892.1U CN220543425U (en) | 2023-08-01 | 2023-08-01 | Alarm system that law enforcement appearance camera lens was sheltered from |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543425U true CN220543425U (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322071892.1U Active CN220543425U (en) | 2023-08-01 | 2023-08-01 | Alarm system that law enforcement appearance camera lens was sheltered from |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543425U (en) |
-
2023
- 2023-08-01 CN CN202322071892.1U patent/CN220543425U/en active Active
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