A high-pass photodetector

Abstract

The utility model discloses a high pass photodetector belongs to ultraviolet sensor technical field. A kind of high pass photodetector, including package shell, the inside installation of package shell is photosensitive module, and the one end of photosensitive module is installed with data connector, the data connector is electrically fused with photosensitive module, the outer surface of package shell is provided with detection port, the inside installation of detection port is light guide column, the inside of photosensitive module is provided with light channel. To solve when detecting ultraviolet light, light source will appear in the process of propagation and escape situation, like this, resulting in the problem that detector cannot effectively detect light source under weak light environment, light guide column is directly extended into light channel, greatly reduce the escape of light at interface, cooperate with the lens of accurate alignment at both ends, can maximum limit collection and converge incident light, ensure that enough intensity light signal reaches photosensitive element, to significantly improve the overall sensitivity and detection signal-to-noise ratio of detector.

Description

Technical Field

[0001] This utility model relates to the field of ultraviolet sensor technology, specifically a high-pass photodetector. Background Technology

[0002] An ultraviolet (UV) sensor is a type of sensor that uses photosensitive elements to convert UV signals into measurable electrical signals through photovoltaic and photoconductive modes.

[0003] When detecting ultraviolet light, the light source can dissipate during propagation, which makes it difficult for the detector to effectively detect the light source in low-light environments. Utility Model Content

[0004] The purpose of this invention is to provide a high-pass photosensitive detector in which the light guide column extends directly into the light channel, greatly reducing light scattering at the interface. Combined with lenses that are precisely aligned at both ends, it can collect and converge the incident light to the maximum extent, ensuring that the light signal of sufficient intensity reaches the photosensitive element, thereby significantly improving the overall sensitivity and detection signal-to-noise ratio of the detector and solving the problems in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a high-pass photosensitive detector, comprising a packaged housing, a photosensitive module installed inside the packaged housing, and a data connector installed at one end of the photosensitive module, the data connector being electrofused to the photosensitive module, a detection port being provided on the outer surface of the packaged housing, a light guide post being installed inside the detection port, and a light channel being provided inside the photosensitive module.

[0006] Preferably, the light guide extends inward into the interior of the light channel.

[0007] Preferably, lenses are installed at both ends of the light channel, and the lenses are connected to the light channel via slots.

[0008] Preferably, a photosensitive probe is mounted on the outer side of the lens, and the photosensitive probe is connected to the encapsulation shell via an internal thread.

[0009] Preferably, a photosensitive element is installed inside the photosensitive probe.

[0010] Preferably, a sealing ring is installed between the photosensitive module and the packaging shell, and the sealing ring is in contact with the photosensitive module.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. In this utility model, the light guide column extends directly into the light channel, which greatly reduces the light scattering at the interface. Combined with the lenses that are precisely aligned at both ends, it can collect and converge the incident light to the maximum extent, ensuring that the light signal of sufficient intensity reaches the photosensitive element, thereby significantly improving the overall sensitivity and detection signal-to-noise ratio of the detector. It is suitable for high-requirement detection in low-light environments.

[0013] 2. In this utility model, the lens is fixed to both ends of the light channel by a slot connection method. The installation position is precise and firm, avoiding the optical axis deviation problem caused by the aging and deformation or displacement of the colloid that may occur in traditional bonding methods. Attached Figure Description

[0014] Figure 1 This is the overall front view of the present invention;

[0015] Figure 2 This is a schematic diagram of the overall structure of this utility model.

[0016] In the diagram: 1. Encapsulation shell; 2. Photosensitive module; 3. Data connector; 4. Detection port; 101. Photosensitive probe; 102. Sealing ring; 1011. Photosensitive element; 1012. Lens; 201. Light path; 401. Light guide column. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] To address the issue that when detecting ultraviolet light, the light source may dissipate during propagation, making it difficult for the detector to effectively detect the light source in low-light environments.

[0019] The question; please refer to Figure 1-2 The present invention provides the following solution:

[0020] A high-pass photosensitive detector, characterized in that it includes a package shell 1, a photosensitive module 2 is installed inside the package shell 1, and a data connector 3 is installed at one end of the photosensitive module 2. The data connector 3 is electrofused to the photosensitive module 2. A detection port 4 is provided on the outer surface of the package shell 1. A light guide post 401 is installed inside the detection port 4. A light channel 201 is provided inside the photosensitive module 2. The light guide post 401 extends inward into the interior of the light channel 201.

[0021] In this embodiment, the light signal from the environment or the target object first enters the detector through the detection port 4 located on the outer surface of the encapsulation shell 1. The light guide post 401 installed inside the detection port 4 plays a primary focusing and guiding role, effectively guiding the incident light to the specially designed light channel 201 inside the photosensitive module 2. The light channel 201 constitutes a dedicated path for light signal transmission, reducing scattering loss during transmission and ensuring that the light energy is concentrated and transmitted forward. At both ends of the channel, lenses 1012 are installed via slot connections. These lenses 1012 further calibrate and focus the light path, eliminating aberrations and ensuring that the light can be transmitted to the signal receiving end at the optimal angle and spot quality.

[0022] Lenses 1012 are installed at both ends of the light channel 201. The lenses 1012 are connected to the light channel 201 through slots. A photosensitive probe 101 is installed on the outside of the lens 1012. The photosensitive probe 101 is connected to the package shell 1 through an internal thread. A photosensitive element 1011 is installed inside the photosensitive probe 101. A sealing ring 102 is installed between the photosensitive module 2 and the package shell 1. The sealing ring 102 is in contact with the photosensitive module 2.

[0023] In this embodiment, the light signal optimized by the light channel 201 and the lens 1012 finally arrives at the photosensitive probe 101. The photosensitive probe 101 is firmly connected to the package shell 1 through the internal thread. The key photosensitive element 1011 is integrated inside. The photosensitive element 1011 converts the received high-quality light signal into a corresponding analog electrical signal.

[0024] Subsequently, the electrical signal undergoes preliminary processing inside the photosensitive module 2 and is output to an external data acquisition system or control unit through the data connector 3, which is electrically fused to one end of the module, thus completing the entire photoelectric detection process.

[0025] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-pass photosensitive detector, characterized in that, The package includes a housing (1), inside which a photosensitive module (2) is installed, and at one end of the photosensitive module (2) a data connector (3) is installed. The data connector (3) is electrofused to the photosensitive module (2). The outer surface of the housing (1) is provided with a detection port (4), inside which a light guide post (401) is installed. Inside the photosensitive module (2) a light channel (201) is provided.

2. A high-pass photosensitive detector according to claim 1, characterized in that: The light guide column (401) extends inward into the interior of the light channel (201).

3. A high-pass photosensitive detector according to claim 1, characterized in that: Lenses (1012) are installed at both ends of the light channel (201), and the lenses (1012) are connected to the light channel (201) through slots.

4. A high-pass photosensitive detector according to claim 3, characterized in that: A photosensitive probe (101) is mounted on the outside of the lens (1012), and the photosensitive probe (101) is connected to the encapsulation shell (1) by an internal thread.

5. A high-pass photosensitive detector according to claim 4, characterized in that: The photosensitive probe (101) has a photosensitive element (1011) installed inside.

6. A high-pass photodetector according to claim 1, characterized in that: A sealing ring (102) is installed between the photosensitive module (2) and the encapsulation shell (1), and the sealing ring (102) is in contact with the photosensitive module (2).

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