Light-focusing calibration device suitable for long-distance infrared correlation photoelectric sensor

By using laser units and mirrors in the calibration device of infrared-to-emission photoelectric sensors, a visible reflected spot is formed, which solves the problem of difficulty in calibration of long-distance infrared-to-emission photoelectric sensors, and improves installation efficiency and accuracy.

CN222938524UActive Publication Date: 2025-06-03SUZHOU KANGRUI ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202421356428.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-06-03
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

During the calibration process of long-distance infrared-to-air photoelectric sensors, infrared light is invisible, which leads to difficulty in calibration, affecting installation efficiency and accuracy.

Method used

An optical calibration device is designed, including a removable mounting bracket at the emitting end and the receiving end. The emitting end bracket is equipped with a laser unit and the receiving end bracket is equipped with a mirror surface. Visible light is emitted through the laser unit and reflected to form a light spot for easy calibration.

Benefits of technology

Through the reflected spot of visible light, the calibration and installation of long-distance infrared photoelectric sensors is facilitated, and the installation efficiency and accuracy of long-distance photoelectric sensors are improved.

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Abstract

A focusing calibration device suitable for a long-distance infrared correlation photoelectric sensor comprises a transmitting end mounting support and a receiving end mounting support, the transmitting end mounting support is used for detachably and fixedly mounting a sensor transmitting end, and the receiving end mounting support is used for detachably and fixedly mounting a sensor receiving end. The transmitting end support is provided with a laser unit used for transmitting visible light, and the receiving end support is provided with a mirror surface used for reflecting the visible light. According to the scheme, the transmitting end mounting bracket is arranged and used for fixing the sensor transmitting end, the receiving end mounting bracket is arranged and used for fixing the sensor receiving end, the transmitting end mounting bracket is provided with the laser unit, and the receiving end mounting bracket is provided with the mirror surface, so that during remote calibration, the laser unit can emit visible light; the visible light is emitted to the mirror surface to form a reflection light spot which can be observed, so that calibration and installation of the long-distance infrared correlation photoelectric sensor are facilitated, and the installation efficiency and accuracy of the long-distance photoelectric sensor are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sensors, and particularly relates to an optical alignment device suitable for a long-distance infrared opposed photoelectric sensor. Background Art

[0002] Generally, the installation distance of an opposed photoelectric sensor is relatively far, and generally dozens of meters can be achieved. When the distance is long, the light emitted by the transmitting end needs to be aligned with the receiving end. Since the light source of the long-distance opposed photoelectric sensor basically uses an infrared LED, which belongs to invisible light, there are great difficulties in aligning the light.

[0003] Therefore, in view of the deficiencies of the prior art, it is necessary to design an optical alignment device suitable for a long-distance infrared opposed photoelectric sensor to solve the above problems. Summary of the Utility Model

[0004] In order to overcome the above deficiencies in the prior art, the purpose of the utility model is to provide an optical alignment device suitable for a long-distance infrared opposed photoelectric sensor.

[0005] In order to achieve the above purpose and other related purposes, the technical solution provided by the utility model is: an optical alignment device suitable for a long-distance infrared opposed photoelectric sensor, including a transmitting-end mounting bracket and a receiving-end mounting bracket. The transmitting-end bracket is used for detachably and fixedly mounting the sensor transmitting end, and the receiving-end bracket is used for detachably and fixedly mounting the sensor receiving end. The transmitting-end bracket is configured with a laser unit for emitting visible light, and the receiving-end bracket is configured with a mirror for reflecting visible light.

[0006] A preferred technical solution is: the transmitting-end mounting bracket and the receiving-end mounting bracket have the same structure, both including an L-shaped platform. The horizontal part of the L-shaped platform is used for placing the sensor body, and a clamping jaw parallel to the horizontal part is arranged at the middle position of the vertical part of the L-shaped platform. The clamping jaw is used for clamping and fixing the sensor body from both sides.

[0007] A preferred technical solution is: the laser unit is fixedly arranged at the bottom side of the horizontal part of the corresponding L-shaped platform of the transmitting-end mounting bracket.

[0008] A preferred technical solution is: the mirror is fixedly arranged at the bottom side of the horizontal part of the corresponding L-shaped platform of the receiving-end mounting bracket.

[0009] A preferred technical solution is: the visible light emitted by the laser unit is parallel to the infrared light emitted by the sensor transmitting end; the mirror is parallel to the receiving surface of the sensor receiving end.

[0010] Due to the application of the above technical solution, the beneficial effects of the utility model are:

[0011] A light alignment device for a long-distance infrared opposed photoelectric sensor provided by the present utility model. By providing a transmitting end mounting bracket for fixing the sensor transmitting end, and a receiving end mounting bracket for fixing the sensor receiving end. The transmitting end mounting bracket is configured with a laser unit, and the receiving end mounting bracket is configured with a mirror. During long-distance calibration, the laser unit can emit visible light, and the visible light forms a reflection spot on the mirror and can be observed, facilitating the calibration and installation of the long-distance infrared opposed photoelectric sensor, and improving the installation efficiency and accuracy of the long-distance photoelectric sensor. Description of the Drawings

[0012] Figure 1 It is the front view of the transmitting end mounting bracket related to the present utility model.

[0013] Figure 2 It is the front view of the receiving end mounting bracket related to the present utility model. Detailed Embodiments

[0014] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0015] Please refer to Figure 1 - Figure 2 . It should be noted that in the description of the present utility model, it needs to be explained that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. The terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0016] In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and defined, the terms "arrangement", "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0017] Embodiment:

[0018] As Figures 1 to 2 shown, according to an overall technical concept of the present utility model, a light alignment device suitable for a long-distance infrared opposed photoelectric sensor is provided, including a transmitting-end mounting bracket and a receiving-end mounting bracket. The transmitting-end bracket is used for detachably and fixedly mounting a sensor transmitting end 100, and the receiving-end bracket is used for detachably and fixedly mounting a sensor receiving end 200. The transmitting-end bracket is configured with a laser unit 1 for emitting visible light, and the receiving-end bracket is configured with a mirror 2 for reflecting visible light.

[0019] As Figures 1 to 2 shown, in an exemplary embodiment of the present utility model, the transmitting-end mounting bracket and the receiving-end mounting bracket have the same structure, both including an L-shaped platform 3. The horizontal portion 31 of the L-shaped platform 3 is used for placing a sensor body, and a clamping jaw 33 parallel to the horizontal portion 31 is arranged at the middle position of the vertical portion 32 of the L-shaped platform 3. The clamping jaw 33 is used for clamping and fixing the sensor body from both sides.

[0020] As Figures 1 to 2 shown, in an exemplary embodiment of the present utility model, the laser unit 1 is fixedly arranged at the bottom side of the horizontal portion of the L-shaped platform corresponding to the transmitting-end mounting bracket.

[0021] As Figures 1 to 2 shown, in an exemplary embodiment of the present utility model, the mirror is fixedly arranged at the bottom side of the horizontal portion of the L-shaped platform corresponding to the receiving-end mounting bracket.

[0022] As Figures 1 to 2 shown, in an exemplary embodiment of the present utility model, the visible light emitted by the laser unit is arranged parallel to the infrared light emitted by the sensor transmitting end; the mirror is arranged parallel to the receiving surface of the sensor receiving end.

[0023] In use, the transmitting end mounting bracket is used to fix the sensor transmitting end 100, and the receiving end mounting bracket is used to fix the sensor receiving end 100. The transmitting end mounting bracket is configured with a laser unit 1, and the receiving end mounting bracket is configured with a mirror 2. During long-distance calibration, the laser unit 1 can emit visible light, and the visible light forms a reflected light spot on the mirror 2 and can be observed, which is convenient for the calibration and installation of the long-distance infrared opposed photoelectric sensor, improving the installation efficiency and accuracy of the long-distance photoelectric sensor.

[0024] Therefore, the present utility model has the following advantages:

[0025] A light alignment device suitable for a long-distance infrared opposed photoelectric sensor provided by the present utility model includes a transmitting end mounting bracket for fixing the sensor transmitting end, a receiving end mounting bracket for fixing the sensor receiving end, the transmitting end mounting bracket is configured with a laser unit, and the receiving end mounting bracket is configured with a mirror. During long-distance calibration, the laser unit can emit visible light, and the visible light forms a reflected light spot on the mirror and can be observed, which is convenient for the calibration and installation of the long-distance infrared opposed photoelectric sensor, improving the installation efficiency and accuracy of the long-distance photoelectric sensor.

[0026] The above embodiments are only illustrative of the principles and effects of the present utility model, and are not used to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A light calibration device suitable for long-distance infrared photoelectric sensors, characterized in that: It includes a transmitter mounting bracket and a receiver mounting bracket, wherein the transmitter mounting bracket is used for detachably fixing and mounting the transmitter of the sensor, and the receiver mounting bracket is used for detachably fixing and mounting the receiver of the sensor, the transmitter mounting bracket is configured with a laser unit for emitting visible light, and the receiver mounting bracket is configured with a mirror for reflecting visible light.

2. The light calibration device suitable for a long-distance infrared photoelectric sensor according to claim 1, characterized in that: The transmitting end mounting bracket and the receiving end mounting bracket have the same structure and both include an L-shaped platform. The horizontal portion of the L-shaped platform is used to place the sensor body. The middle section of the vertical portion of the L-shaped platform is provided with a clamp parallel to the horizontal portion, and the clamp is used to clamp and fix the sensor body from both sides.

3. The light calibration device suitable for a long-distance infrared photoelectric sensor according to claim 1, characterized in that: The laser unit is fixedly arranged on the bottom side of the horizontal part of the L-shaped platform corresponding to the transmitting end mounting bracket.

4. The light calibration device suitable for a long-distance infrared photoelectric sensor according to claim 1, characterized in that: The mirror surface is fixedly arranged on the bottom side of the horizontal part of the L-shaped platform corresponding to the receiving end mounting bracket.

5. The light calibration device suitable for a long-distance infrared photoelectric sensor according to claim 1, characterized in that: The visible light emitted by the laser unit is arranged in parallel with the infrared light emitted by the sensor transmitting end; and the mirror surface is arranged in parallel with the receiving surface of the sensor receiving end.