Infrared detection sensor

Abstract

The utility model discloses an infrared detection sensor, which relates to the technical field of infrared detection sensors and comprises a sensor body, the sensor body comprises a shell, a sensing element embedded in the front surface of the shell, and a baffle plate covering the front surface of the shell; detection windows are symmetrically formed in the front surface of the shell; limiting grooves are formed in the middle positions of the detection windows; the sensing element comprises a bottom plate adaptively mounted in the limiting groove, an infrared transmitting element and an infrared receiving element which are respectively fixed on the outer side of the bottom plate, and a screw rod for driving the bottom plate to move through a knob; the baffle is movably arranged on the lower edge of the shell, and a magnetic attraction groove is formed in the inner edge of the baffle and matched with a magnetic attraction strip arranged on the edge of the front face of the shell. The infrared transmitting element and the infrared receiving element are respectively provided with an independent screw rod adjusting mechanism, so that the distance between the infrared transmitting element and the infrared receiving element can be flexibly adjusted to adapt to different detection environments or target object distance changes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to infrared detection sensor technical field, especially, relate to a kind of infrared detection sensor. BACKGROUND

[0002] Infrared detection sensor is a kind of device using infrared light to detect target, its basic principle is that infrared emission element sends infrared light beam, when light beam meets target object, reflection occurs, and infrared receiving element receives the light signal reflected and converts it into electrical signal, then after processing, the detection or distance measurement of target object is realized.

[0003] The existing infrared detection sensor usually adopts fixed infrared emission element and infrared receiving element layout, cannot flexibly adjust the relative position between the two according to different detection needs, limits the adaptability of sensor in different environments, especially in the scene needing accurate detection or target object distance change is larger, detection error is prone to occur;Infrared emission element and infrared receiving element are usually directly exposed to the outside, and are easily affected by dust, moisture, collision and other external factors in non-working state, leading to element damage or performance degradation, shortening equipment service life;The installation mode of existing sensor is mostly fixed, and it is difficult to meet the detection needs of multiple angles and all directions.

[0004] Therefore, we provide an infrared detection sensor to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an infrared detection sensor, which solves the existing problems.

[0006] To solve the above technical problems, the utility model is implemented by the following technical solutions:

[0007] The utility model is an infrared detection sensor, which comprises a sensor body, the sensor body comprises a shell, a sensing element embedded on the front of the shell, and a baffle capped on the front of the shell.

[0008] The front of the shell is symmetrically provided with a detection window, and a limiting groove is formed in the middle of the detection window;The sensing element comprises a bottom plate adapted to be installed in the limiting groove, an infrared emission element and an infrared receiving element fixed on the outside of the bottom plate, and a screw rod driven by a knob to move the bottom plate;The baffle is movably arranged at the lower edge of the shell, and the inner edge of the baffle is provided with a magnetic attraction groove, which cooperates with the magnetic attraction strip arranged on the edge of the front of the shell.

[0009] The utility model is further provided, wherein the infrared emission element and the infrared receiving element are connected to the built-in processing element of the shell through wires, and the wires are arranged in the limiting groove.

[0010] The utility model further sets up, infrared emission element and infrared receiving element are located same plane, and infrared emission element and infrared receiving element all independently equip screw rod.

[0011] The utility model further sets up, one end of screw rod is installed in the inner end of detection window, its other end is equipped with in the end part of shell, and screw rod is equipped with in the middle part of bottom plate, knob is fixed in screw rod outer end.

[0012] The utility model further sets up, the middle position of the upper portion of shell front face is inlayed with pilot lamp, and the both ends of shell back surface are opened symmetrically and are provided with heat dissipation groove.

[0013] The utility model further sets up, the middle position of shell back surface is fixed with installation component, its installation component includes the connecting piece of being fixed with shell, the limiting ball shell of being cooperated with connecting piece and the mounting of being fixed in the outside of limiting ball shell, and the mounting is fixed with outer mounting surface through fastener.

[0014] One end of connecting piece and limiting ball shell is spherical structure, and the open end of limiting ball shell is provided with screw for tightness adjustment.

[0015] The utility model has the following beneficial effects:

[0016] 1, the utility model sets up and is equipped with independent screw rod adjusting mechanism to infrared emission element and infrared receiving element, drives screw rod to move through adjusting knob, can adjust the distance between infrared emission element and infrared receiving element flexibly, thereby adapts different detection environment or target object distance change.

[0017] 2, the connecting piece of installation component in the utility model sets up and is cooperated with limiting ball shell, allows sensor to rotate and lean freely in multi-angle, all -round range, satisfies the installation demand under different scenes.

[0018] 3, the magnetic attraction groove of baffle setting cooperates with the magnetic attraction strip of shell edge, can effectively protect infrared emission element and infrared receiving element from external damage under non - working state, prolongs the service life of equipment. DRAWINGS

[0019] Fig. 1 It is a kind of infrared detection sensor's whole structure front schematic view.

[0020] Fig. 2 It is a kind of infrared detection sensor's detection window opening schematic view.

[0021] Fig. 3 It is a kind of infrared detection sensor's whole structure rear schematic view.

[0022] The components represented by the reference numbers in the drawings are listed as follows:

[0023] 100-sensor body, 101-housing, 101a-magnetic strip, 101b-detection window, 101c-limiting groove, 101d-indicator light, 101e-radiating groove, 102-sensing element, 102a-bottom plate, 102b-infrared emitting element, 102c-infrared receiving element, 102d-screw rod, 102e-knob, 103-baffle, 103a-magnetic slot, 200-mounting assembly, 201-mounting piece, 202-limiting spherical shell, 203-connection piece. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment one

[0026] Please refer to Figs. 1-3 The present application is an infrared detection sensor, which comprises a sensor body 100, the sensor body 100 comprises a housing 101, a sensing element 102 embedded on the front of the housing 101, and a baffle 103 covering the front of the housing 101.

[0027] The front of the housing 101 is symmetrically provided with a detection window 101b, and a limiting groove 101c is provided at the middle position of the detection window 101b, which ensures the accurate positioning of the infrared emitting element 102b and the infrared receiving element 102c, and helps to improve the accuracy of detection. The sensing element 102 comprises a bottom plate 102a adapted to be installed inside the limiting groove 101c, an infrared emitting element 102b and an infrared receiving element 102c fixed respectively on the outside of the bottom plate 102a, and a screw rod 102d driven by a knob 102e to move the bottom plate 102a, which allows the user to adjust the position of the bottom plate 102a by adjusting the knob 102e, and then adjusts the positions of the infrared emitting element 102b and the infrared receiving element 102c to adapt to different detection requirements or environmental conditions.

[0028] The baffle 103a is movably arranged at the lower edge of the shell 101, and the inner edge of the baffle 103a is provided with a magnetic attraction groove 103a which cooperates with the magnetic attraction strip 101a arranged at the front edge of the shell 101. When the sensor is not in use, the baffle 103a is closed to protect the infrared emitting element 102b and the infrared receiving element 102c. The cooperation between the magnetic attraction groove 103a and the magnetic attraction strip 101a ensures the stable installation of the baffle 103a.

[0029] Specifically, one end of the screw rod 102d is arranged in the inner end of the detection window 101b, and the other end is threaded through the end of the shell 101, and the screw rod 102d is arranged in the middle of the bottom plate 102a. The knob 102e is fixed to the outer end of the screw rod 102d. By adjusting the knob 102e, the screw rod 102d is adjusted to adjust the position of the bottom plate 102a relative to the detection window 101b. The distance between the infrared emitting element 102b and the infrared receiving element 102c can be adjusted according to different application scenarios or environmental conditions to optimize the working performance of the sensor.

[0030] The infrared emitting element 102b and the infrared receiving element 102c are respectively connected to the built-in processing element of the shell 101 through wires, and the wires are arranged in the limiting groove 101c. The wires are arranged through the limiting groove 101c, which not only avoids external interference but also protects the internal circuit, ensuring the stability and reliability of signal transmission.

[0031] Further, the infrared emitting element 102b and the infrared receiving element 102c are located in the same plane, which can more accurately align the target object, thereby improving the detection accuracy. The infrared emitting element 102b and the infrared receiving element 102c are independently equipped with screw rods 102d, which can independently adjust the position of the infrared emitting element 102b and the infrared receiving element 102c, increasing the flexibility.

[0032] The front upper middle position of the shell 101 is embedded with an indicator light 101d, and the back of the shell 101 is symmetrically provided with a heat dissipation groove 101e. The indicator light 101d provides intuitive feedback of the working state, and the heat dissipation groove 101e helps to maintain the working temperature of the internal electronic elements, ensuring stable operation of the equipment.

[0033] The operation process of the embodiment is as follows:

[0034] First, the baffle 103a is in the initial state of closing to protect the infrared emitting element 102b and the infrared receiving element 102c from external damage. When in use, the baffle 103a is turned down and fixed, exposing the sensing elements 102 on the front of the shell 101.

[0035] Subsequently, the knob 102e is rotated to drive the screw rod 102d to rotate, and the bottom plate 102a is moved along the limiting groove 101c, the position of the bottom plate 102a is adjusted, the distance between the infrared emitting element 102b and the infrared receiving element 102c is changed, and different detection distances or environmental conditions are adapted;

[0036] Finally, the sensor is started to work, the state change of the indicator light 101d is observed, whether the sensor normally detects the target object is judged, the sensor power supply is turned on, the infrared emitting element 102b emits an infrared light beam, the infrared receiving element 102c receives the reflected infrared light signal and converts it into an electrical signal transmitted to the processing element built in the shell 101.

[0037] Example two

[0038] Please refer to Fig. 3 On the basis of the specific embodiment one, the mounting assembly 200 is fixed at the middle position of the back of the shell 101, the mounting assembly 200 includes the connecting piece 203 fixed with the shell 101, the limiting spherical shell 202 matched with the connecting piece 203, and the mounting piece 201 fixed outside the limiting spherical shell 202, the mounting piece 201 is fixed with the external mounting surface through the fastener, the connecting piece 203 can freely rotate and tilt in the limiting spherical shell 202, so that the position adjustment of multiple angles and all directions is realized, the mounting piece 201 provides the overall mounting basis, and the stability of the entire infrared detection sensor is ensured.

[0039] Specifically, one end of the connecting piece 203 connected with the limiting spherical shell 202 is in a spherical structure, and the opening end of the limiting spherical shell 202 is provided with a screw for tension adjustment, the flexibility or locking state of the connecting piece 203 can be controlled by adjusting the tension degree of the screw, and the position is stably maintained after being adjusted to the required angle.

[0040] The operation process of the embodiment is as follows: the mounting piece 201 is fixed on the external mounting surface through the fastener, and the connecting piece 203 of the back of the shell 101 is inserted into the opening end of the limiting spherical shell 202, the spherical structure of the connecting piece 203 is completely matched with the inside of the limiting spherical shell 202, the connecting piece 203 can freely rotate and tilt in the limiting spherical shell 202, when the sensor is adjusted to the required angle, the screw at the opening end of the limiting spherical shell 202 is tightened by using a tool, the position of the connecting piece 203 is fixed, the connecting piece 203 cannot be moved in the locking state, and the angle stability of the sensor is ensured.

[0041] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. An infrared detection sensor comprising a sensor body (100), characterized in that: The sensor body (100) comprises a shell (101), a sensing element (102) embedded on the front of the shell (101), and a baffle (103) covering the front of the shell (101); The front of the shell (101) is symmetrically provided with a detection window (101b), and a limiting groove (101c) is arranged at the middle position of the detection window (101b); the sensing element (102) comprises a bottom plate (102a) fitted in the limiting groove (101c), an infrared emitting element (102b) and an infrared receiving element (102c) fixed on the outer side of the bottom plate (102a), and a screw rod (102d) driven by a knob (102e) to move the bottom plate (102a); the baffle (103) is movably arranged at the lower edge of the shell (101), and the inner edge of the baffle (103) is provided with a magnetic attraction groove (103a) matched with a magnetic attraction strip (101a) arranged on the edge of the front of the shell (101).

2. The infrared detection sensor according to claim 1, wherein, The infrared emitting element (102b) and the infrared receiving element (102c) are respectively connected to the built-in processing element of the shell (101) through wires, and the wires are arranged in the limiting groove (101c).

3. The infrared detection sensor of claim 1, wherein, The infrared emitting element (102b) and the infrared receiving element (102c) are located in the same plane, and the infrared emitting element (102b) and the infrared receiving element (102c) are independently provided with screw rods (102d).

4. The infrared detection sensor of claim 1, wherein, One end of the screw rod (102d) is arranged in the inner end of the detection window (101b), and the other end is threaded through the end of the shell (101), and the screw rod (102d) is arranged in the middle of the bottom plate (102a), and the knob (102e) is fixed on the outer end of the screw rod (102d).

5. The infrared detection sensor of claim 1, wherein, The front of the shell (101) is embedded with an indicator light (101d) at the middle position of the upper part, and the back of the shell (101) is symmetrically provided with a heat dissipation groove (101e) at both ends.

6. The infrared detection sensor of claim 1, wherein, The back of the shell (101) is fixed with a mounting assembly (200), which comprises a connecting piece (203) fixed with the shell (101), a limiting spherical shell (202) matched with the connecting piece (203), and a mounting piece (201) fixed on the outside of the limiting spherical shell (202), and the mounting piece (201) is fixed with an external mounting surface through a fastener.

7. The infrared detection sensor according to claim 6, wherein, The end connected with the limiting spherical shell (202) of the connecting piece (203) is in spherical structure, and the opening end of the limiting spherical shell (202) is provided with a screw for tension adjustment.

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