CN212300593U - Take photosensitive PIR module test fixture - Google Patents

Abstract

The utility model discloses a take photosensitive PIR module test fixture, including MCU control module, light sense controlling means, hotness controlling means, the human removal analogue means and the alarm device of connecting the power, MCU control module connects the module that awaits measuring. The MCU control module controls a light source plate of the light sensation control device to open and close a light source on the light source plate. The MCU control module controls the temperature of a heating plate of the thermal inductance control device. The human body movement simulation device comprises a sliding block and a guide rail, wherein the heating plate is fixed on the sliding block, the sliding block is driven by a motor to be arranged on the guide rail in a sliding manner, and the motor is connected with the MCU control module; the MCU control module controls the action of the sliding block; and an indicator light of the alarm device is connected with the MCU control module. The utility model discloses test fixture, greatly reduced cost of labor; the test tool shields the ambient light, is not influenced by the field and the ambient light, judges according to the data obtained by the MCU, and is high in accuracy.

Description

Take photosensitive PIR module test fixture

Technical Field

The utility model belongs to the technical field of the illumination of lamps and lanterns production, a test fixture who uses on the production line is related to, specifically is used for testing the photosensitive PIR module of area.

Background

At present, a test tool for simultaneously detecting a photosensitive sensor and a human body infrared sensor is lacked in the market. The method for testing the human body infrared sensor with the photosensitivity is to trigger the human body infrared sensor and the photosensitivity by manually waving and shielding the human body infrared sensor with hands, and the testing efficiency is low. The logic that no output is triggered in the daytime and output is triggered at night due to the fact that the test judgment standard needs to be met, manual judgment can be disordered, and the misdetection rate is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a PIR module testing tool with light sensitivity, which greatly reduces the labor cost; the test tool shields the ambient light, is not influenced by the field and the ambient light, judges according to the data obtained by the MCU, and is high in accuracy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a PIR module testing tool with light sensitivity comprises an MCU control module, a light sensation control device, a heat sensation control device, a human body movement simulation device and an alarm device, wherein the MCU control module, the light sensation control device, the heat sensation control device, the human body movement simulation device and the alarm device are connected with a power supply; the MCU control module is connected with the module to be tested;

the light sensation control device comprises a light source plate, and the light source plate is connected with the MCU control module; the MCU control module controls the light source board to turn on or off a light source on the light source board;

the thermal inductance control device comprises a heating plate, and the heating plate is connected with the MCU control module; the MCU control module controls the temperature of the heating plate;

the human body movement simulation device comprises a sliding block and a guide rail, wherein the heating plate is fixed on the sliding block, the sliding block is driven by a motor to be arranged on the guide rail in a sliding manner, and the motor is connected with the MCU control module; the MCU control module controls the action of the sliding block;

the alarm device comprises an indicator light, and the indicator light is connected with the MCU control module.

The tool for testing the PIR module with the light sensitivity is characterized in that the MCU control module, the light sensation control device, the heat sensation control device, the human body movement simulation device and the module to be tested are arranged in a test box.

According to the PIR module testing tool with the light sensitivity, the module to be tested comprises the human body sensing device and the light sensation detection device which are connected with the power supply, and the module to be tested collects an environmental signal and transmits the environmental signal to the MCU control module; the environment signals comprise heat sensation signals detected by the human body sensing device and light sensation signals detected by the light sensation detection device; the human body sensing device is a human body infrared sensing PIR module connected with the MCU control module, and the light sensation detection device is a phototriode connected with the human body infrared sensing PIR module.

According to the testing tool with the photosensitive PIR module, the MCU control module receives the thermal sensing signal of the human body infrared sensing PIR module through the testing probe.

The technical scheme provided by the above has the following beneficial effects:

firstly, the utility model discloses take photosensitive PIR module test fixture has filled the blank that lacks the test fixture who detects photosensitive and infrared sensor simultaneously in the market.

Secondly, the utility model discloses take photosensitive PIR module test fixture connects the module that awaits measuring through MCU control module, can support the module on-line test that awaits measuring, and efficiency of software testing is showing high, greatly reduced cost of labor.

Thirdly, the utility model discloses take photosensitive PIR module test fixture through MCU control module control light sense controlling means, hotness controlling means and human removal analogue means simulation operational environment to use MCU control module to judge according to the data that obtain, the accuracy is high.

Fourthly, the utility model discloses take photosensitive PIR module test fixture sets up in a test box, from taking to the shielding of ambient light, does not receive place and ambient light influence.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic structural view of a PIR module testing tool with light sensitivity according to the present invention;

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

fig. 3 is a schematic circuit diagram of the module to be tested according to the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Fig. 1 to 3 are combined to illustrate the present invention, which relates to a PIR module testing tool with light sensitivity, comprising an MCU control module 200 connected to a power supply, a light sensation control device 300, a thermal sensation control device 400, a human body movement simulation device 500 and an alarm device 600. The light sensation control device 300, the thermal sensation control device 400, the human body movement simulation device 500 and the alarm device 600 are respectively connected with the MCU control module 200. The utility model discloses MCU control module 200 connects module 100 that awaits measuring.

The MCU control module 200, the light sensing control device 300, the thermal sensing control device 400, the human body movement simulation device 500, and the module under test 100 are disposed in a test box 800 to shield ambient light from the field and ambient light.

The module to be tested 100 comprises a human body sensing device and a light sensation detection device which are connected with a power supply Vdd, and the module to be tested collects an environmental signal and transmits the environmental signal to the MCU control module 200 through a pirout port. The environment signal comprises a heat sensing signal detected by the human body sensing device and a light sensing signal detected by the light sensing device.

In this embodiment, the human body sensing device is a human body infrared sensing PIR module connected to the MCU control module 200, and the light sensing detection device is a phototriode VD1 connected to the human body infrared sensing PIR module. The human body infrared sensing PIR module is connected with the MCU control module 200 through a pirout port. Specifically, the MCU control module 200 receives a thermal sensing signal of the human body infrared sensing PIR module through a test probe 700.

The normal working state of the module to be tested 100 is as follows: in the daytime, the phototriode VD1 is conducted, so that the enable end enable of the human body infrared induction PIR module connected with the phototriode VD1 inputs low level, and the human body infrared induction PIR module does not work; meanwhile, no matter people move or no people move, the human body infrared sensing PIR module outputs low level to the MCU control module 200 through the pirout port. At night, the phototriode VD1 is not conducted, the enable end enable of the human body infrared induction PIR module connected with the phototriode VD1 inputs high level, and the human body infrared induction PIR module works; meanwhile, when a person moves, the human body infrared sensing PIR module outputs a high level to the MCU control module 200 through a pirout port; when no person moves, the pirout port outputs a low level.

The light sensation control device 300 includes a light source board 310, and the light source board 310 is connected to the MCU control module 200 through a light source driving device. In this embodiment, the light source board 310 is an LED backlight board. The MCU control module 200 controls the light source board 310 through the light source driving device to turn on and off the light source on the light source board 310, so as to simulate the daytime or night scene for the light sensing device of the module to be tested 100. The light source driving device is a relay controlled by the MCU control module 200, and a movable contact and a fixed contact of the relay are connected with a power supply and an LED lamp; or a switch driving power supply controlled by the MCU module.

The thermal control device 400 includes a heating board 410, and the heating board 410 is connected to the MCU control module 200 through a heating control device. The MCU control module 200 controls the temperature of the heating plate 200 through the heating control device, so as to simulate a heat source different from the environment for the light sensing device of the module 100. The heating control device can be a relay controlled by the MCU module, and a movable contact and a fixed contact of the relay are connected with a power supply and a load resistor; or a switch driving power supply controlled by the MCU module.

The human body movement simulation device 500 comprises a sliding block 510 and a guide rail 520, the heating plate 410 is fixed on the sliding block 510, the sliding block 510 is driven by a motor 530 to slide on the guide rail 520, and the motor 530 is connected with the MCU control module 200 through a motor control device. The MCU control module 200 controls the movement of the slider 510 through the motor control device to simulate the movement of a heat source, and further simulate the movement of a human body. The motor control device can be a stepping motor drive circuit controlled by an MCU module, and the MCU control module controls a stepping motor driver through the stepping motor drive circuit so as to control the rotation direction and the rotation speed of the motor.

The alarm device 600 includes an indicator 610, and the indicator 610 is connected to the MCU control module 200. The MCU control module 200 prompts whether the template 100 is qualified or not through the indicator 610.

When the photosensitive PIR module testing tool works, the template to be tested is electrified, and meanwhile, the MCU control module 200 drives the LED backlight plate simulating the daytime to be lightened to simulate the daytime scene; the MCU control module 200 drives the heating plate on the slide block to move on the guide rail by the rotation of the motor to simulate the movement of a human body; the MCU control module 200 reads the template 100 to be tested and outputs a low level, and the qualified pirout port of the template 100 to be tested should output a low level to the MCU control module 200, that is, "someone cannot trigger during the day". Next, the MCU control module 200 drives the LED backlight board simulating the daytime to be turned off, so as to simulate the night scene; the MCU control module 200 controls the motor 530 to rotate to drive the heating plate 410 on the sliding block 510 to move on the guide rail 520, so as to simulate the movement of a human body; the MCU control module 200 reads the output high level of the template 100 to be tested, and the qualified pirout port of the module 100 to be tested should output the high level to the MCU control module 200, that is, "someone can trigger at night". And if the template 100 to be tested which does not accord with the logic is judged to be unqualified, the MCU control module 200 indicates the unqualified template through the LED lamp 610.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (4)

1. A PIR module testing tool with a light sensor is characterized by comprising an MCU control module (200) connected with a power supply, a light sense control device (300), a heat sense control device (400), a human body movement simulation device (500) and an alarm device (600); the MCU control module (200) is connected with a module to be tested (100); the light sensation control device (300) comprises a light source plate (310), wherein the light source plate (310) is connected with the MCU control module (200); the MCU control module (200) controls the light source board (310) to open and close a light source on the light source board (310);

the thermal sensing control device (400) comprises a heating plate (410), and the heating plate (410) is connected with the MCU control module (200); the MCU control module (200) controls the temperature of the heating plate (410);

the human body movement simulation device (500) comprises a sliding block (510) and a guide rail (520), wherein the heating plate (410) is fixed on the sliding block (510), the sliding block (510) is driven by a motor (530) to be arranged on the guide rail (520) in a sliding mode, and the motor (530) is connected with the MCU control module (200); the MCU control module (200) controls the action of the sliding block (510);

the alarm device (600) comprises an indicator light (610), and the indicator light (610) is connected with the MCU control module (200).

2. The PIR module testing tool with the light sensitivity as claimed in claim 1, wherein the MCU control module (200), the light sensation control device (300), the heat sensation control device (400), the human body movement simulation device (500) and the module to be tested (100) are arranged in a testing box (800).

3. The PIR module testing tool with the light sensitivity as claimed in claim 1 or 2, wherein the module to be tested (100) comprises a human body sensing device and a light sensation detection device which are connected with a power supply Vdd, and the module to be tested collects an environmental signal and transmits the environmental signal to the MCU control module (200); the environment signals comprise heat sensation signals detected by the human body sensing device and light sensation signals detected by the light sensation detection device; the human body sensing device is a human body infrared sensing PIR module connected with the MCU control module (200), and the light sensation detection device is a phototriode (VD1) connected with the human body infrared sensing PIR module.

4. A PIR module testing tool with light sensitivity according to claim 3, wherein the MCU control module (200) receives a thermal signal from a human body ir sensing PIR module through a test probe (700).

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