High-speed wide spectral response photoelectric detector

Abstract

The utility model discloses a high speed wide spectrum response photoelectric detector, comprising a multi-Pi n butterfly tube shell and a buffer assembly, the lower end of the multi-Pi n butterfly tube shell is provided with the buffer assembly used for buffering the multi-Pi n butterfly tube shell, the buffer assembly comprises a buffer plate, an upper installation block, a spring buffer, a lower installation block, a support plate and a limit assembly, the lower end of the multi-Pi n butterfly-shaped tube shell is fixedly connected with a buffer plate, the spring buffer is installed through an upper installation block and a lower installation block, and the upper installation block and the lower installation block are installed through the supporting plate and the buffer plate respectively. External vibration energy is absorbed, the axial displacement of the optical fiber end face and the optical chip is reduced, the stability of signal transmission is enhanced, meanwhile, the buffer assembly is of a quick release structure, the buffer assembly is convenient to replace, and detection work is convenient to carry out.

Description

TECHNICAL FIELD

[0001] The utility model relates to photoelectric detector technical field, concretely is a kind of high-speed wide spectral response photoelectric detector. BACKGROUND

[0002] A kind of high-speed wide spectral response photoelectric detector is a kind of photoelectric conversion device with excellent performance.This detector can detect very weak optical signals, and has fast response and wide spectral response characteristics.It can quickly convert optical signals into electrical signals, suitable for application scenarios that require real-time processing of optical signals.The working principle of the detector is based on the photoelectric effect, that is, when photons hit the surface of a material, electrons are excited to form an electric current.This detector has a wide range of applications, including optical communication, spectral analysis, optoelectronic measurement, etc.

[0003] When the existing device is used, high-speed wide spectral detector (such as 800nm~1650nm) relies on precise fiber-optic chip alignment, and external vibration can easily cause micron-level deviation, causing increased insertion loss (IL) or signal interruption;The optical chip selected by the existing device cannot cover multi-mode and single-mode wavelengths, so we need to propose a high-speed wide spectral response photoelectric detector. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high-speed wide spectral response photoelectric detector, buffer assembly is provided at the lower end of multi-Pin butterfly tube shell, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high-speed wide spectral response photoelectric detector, comprising:

[0007] Multi-Pin butterfly tube shell, buffer assembly, the lower end of the multi-Pin butterfly tube shell is provided with buffer assembly for buffering multi-Pin butterfly tube shell, the buffer assembly includes buffer plate, upper mounting block, spring buffer, lower mounting block, support plate, limiting assembly, the lower end of the multi-Pin butterfly tube shell is fixedly connected with buffer plate, the spring buffer is installed by upper mounting block and lower mounting block, the support plate and buffer plate are installed to upper mounting block and lower mounting block respectively, and support plate and buffer plate are all provided with limiting assembly for limiting upper mounting block and lower mounting block.

[0008] Preferably, the limiting assembly includes a limiting rod, an elastic plate and a fixed plate, the inside of the support plate and the buffer plate is provided with a limiting rod for limiting the upper mounting block and the lower mounting block, one end of the limiting rod is fixedly connected with the elastic plate, and a plurality of the elastic plates are installed on the side wall of the support plate and the buffer plate by the fixed plate.

[0009] Preferably, the top end of the multi-Pin butterfly tube shell is provided with a radio frequency output GPPO terminal.

[0010] Preferably, the radio frequency output GPPO terminal is provided with a radio frequency transmission substrate outside the radio frequency needle, and the radio frequency transmission substrate is provided with a resistor at one end away from the radio frequency needle of the radio frequency output GPPO terminal.

[0011] Preferably, one end of the radio frequency transmission substrate is provided with a high-speed electric chip, and the high-speed electric chip is provided with a high-speed wide-spectrum response optical chip at one end away from the radio frequency transmission substrate.

[0012] Preferably, the inside of the multi-Pin butterfly tube shell is provided with a PCB circuit board, and the PCB circuit board is electrically connected with the Pin on the multi-Pin butterfly tube shell.

[0013] Preferably, an optical fiber support is arranged on the inner wall of the multi-Pin butterfly tube shell, and the optical fiber support is provided with a multi-mode OM beveled optical fiber assembly together with the multi-Pin butterfly tube shell.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The utility model discloses a buffer assembly for buffering multi-Pin butterfly tube shell, absorbing external vibration energy, reducing the axial displacement of optical fiber end face and optical chip, enhancing the stability of signal transmission, and the buffer assembly adopts quick release structure, which is convenient for replacing the buffer assembly and facilitating detection work.

[0016] 2、The utility model discloses a high-speed electric chip 4 and other components, and the photoelectric detector spectrum response range is 800nm to 1650nm, and through adjusting high-speed electric chip 4, the combination of high-speed wide-spectrum response optical chip 5 realizes 10GHz to 50GHz bandwidth coverage, and can realize 1.25Gbps ~ 70Gbps high-speed optical fiber communication, and replaces traditional single wavelength or narrowband spectrum photoelectric detector. DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the internal structure schematic diagram of the multi-Pin butterfly tube shell of the utility model;

[0019] Figure 3 It is the structural schematic diagram of the buffer assembly of the utility model;

[0020] Figure 4 It is the structure of the utility model Figure 3 The local enlarged schematic diagram in A of the structure.

[0021] In the figure: 1, multi-pin butterfly shell; 2, radio frequency output GPPO terminal; 3, radio frequency transmission substrate; 4, high-speed electric chip; 5, high-speed wide spectrum response light chip; 6, PCB circuit board; 7, optical fiber support; 8, multi-mode OM3 bevel optical fiber assembly; 9, buffer assembly; 91, buffer plate; 92, upper mounting block; 93, spring buffer; 94, lower mounting block; 95, support plate; 96, limiting assembly; 961, limiting rod; 962, elastic plate; 963, fixed plate. DETAILED DESCRIPTION

[0022] 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.

[0023] Please refer to Figures 1-4 The present application provides a technical solution:

[0024] A high-speed wide spectrum response photoelectric detector comprises:

[0025] The multi-pin butterfly shell 1 is provided with a buffer assembly 9 at the lower end for buffering the multi-pin butterfly shell 1. The buffer assembly 9 comprises a buffer plate 91, an upper mounting block 92, a spring buffer 93, a lower mounting block 94, a support plate 95, and a limiting assembly 96. The lower end of the multi-pin butterfly shell 1 is fixedly connected with the buffer plate 91. The spring buffer 93 is installed through the upper mounting block 92 and the lower mounting block 94. The support plate 95 and the buffer plate 91 are respectively installed on the upper mounting block 92 and the lower mounting block 94. The support plate 95 and the buffer plate 91 are respectively provided with the limiting assembly 96 for limiting the upper mounting block 92 and the lower mounting block 94.

[0026] Exemplarily, external vibration is transmitted to the inside of the buffer assembly 9 through the support plate 95. The vibration energy is conducted to the spring buffer 93 through the lower mounting block 94. The spring is compressed / stretched and deformed to absorb the vertical kinetic energy. The residual vibration is transmitted to the buffer plate 91 through the upper mounting block 92. The buffer plate 91 is made of rubber plate to further dissipate energy.

[0027] The limiting assembly 96 includes a limiting rod 961, an elastic plate 962, a fixed plate 963, a support plate 95 and a buffer plate 91, the inside of the support plate 95 and the buffer plate 91 is provided with a limiting rod 961 for limiting the upper mounting block 92 and the lower mounting block 94, one end of the limiting rod 961 is fixedly connected with the elastic plate 962, and a plurality of elastic plates 962 are respectively installed on the side walls of the support plate 95 and the buffer plate 91 through the fixed plate 963.

[0028] Exemplarily, by stretching the elastic plate 962 in a direction away from the support plate 95 or the buffer plate 91, the limiting rod 961 is separated from the upper mounting block 92 or the lower mounting block 94, the limiting of the upper mounting block 92 or the lower mounting block 94 is released, and the upper mounting block 92 or the lower mounting block 94 is conveniently disassembled from the inside of the support plate 95 or the buffer plate 91.

[0029] The top end of the multi-pin butterfly-shaped tube shell 1 is provided with a radio frequency output GPPO terminal 2, the radio frequency needle outside the radio frequency output GPPO terminal 2 is provided with a radio frequency transmission substrate 3, one end of the radio frequency transmission substrate 3 away from the radio frequency needle of the radio frequency output GPPO terminal 2 is provided with a resistor, one end of the radio frequency transmission substrate 3 is provided with a high-speed electric chip 4, one end of the high-speed electric chip 4 away from the radio frequency transmission substrate 3 is provided with a high-speed wide-spectrum response light chip 5, the inside of the multi-pin butterfly-shaped tube shell 1 is provided with a PCB circuit board 6, the PCB circuit board 6 is electrically connected with the pins on the multi-pin butterfly-shaped tube shell 1, the inner wall of the multi-pin butterfly-shaped tube shell 1 is provided with a fiber support 7, and the fiber support 7 is provided with a multi-mode OM3 beveled fiber assembly 8 together on the multi-pin butterfly-shaped tube shell 1.

[0030] Exemplarily, 3.3V voltage is supplied to the Vcc pin of the multi-pin butterfly-shaped tube shell 1, 850nm, 1310nm or 1550nm optical signals are input through the multi-mode OM3 beveled fiber assembly 8, the optical signals are converted into current through the high-speed wide-spectrum response light chip 5, the current can be monitored through the ammeter connected to the RSSI pin of the multi-pin butterfly-shaped tube shell 1, the photoelectric current output by the high-speed wide-spectrum response light chip 5 is transimpedance amplified through the high-speed electric chip 4, and a voltage signal is output, the size of the voltage signal can be controlled through the VGC pin of the multi-pin butterfly-shaped tube shell 1, the photoelectric conversion function of the photoelectric detector is realized, and the resistor provided at one end of the radio frequency transmission substrate 3 is a 50-ohm resistor.

[0031] Working principle: the utility model for use, give the Vcc pin of multi Pin butterfly shell 1 3.3V voltage, through the input 850nm, 1310nm or 1550nm optical signal of multimode OM3 bevel optical fiber assembly 8, through the high-speed wide spectral response light chip 5 converts optical signal into current, this current can be monitored by the ammeter of external current of the RSSI pin of multi Pin butterfly shell 1, the photoelectric current of high-speed wide spectral response light chip 5 output is amplified across resistance by high-speed electric chip 4, and output voltage signal, this voltage signal can be controlled by the VGC pin of multi Pin butterfly shell 1, realizes the photoelectric conversion function of photoelectric detector;

[0032] When in use, the vibration of the outside world is transmitted to the inside of the buffer assembly 9 through the support plate 95, the vibration energy is conducted to the spring buffer 93 through the lower mounting block 94, the spring is compressed / stretched and deformed, the vertical kinetic energy is absorbed, the residual vibration is transmitted to the buffer plate 91 through the upper mounting block 92, the buffer plate 91 is made of rubber plate, further energy is consumed, the limiting rod 961 is separated from the upper mounting block 92 or the lower mounting block 94 by stretching the elastic plate 962 away from the support plate 95 or the buffer plate 91, the limiting of the upper mounting block 92 or the lower mounting block 94 is released, and the upper mounting block 92 or the lower mounting block 94 is conveniently disassembled from the inside of the support plate 95 or the buffer plate 91.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-speed, broad-spectrum response photodetector, characterized in that, Include: Multi-pin butterfly shell (1), buffer assembly (9), the lower end of the multi-pin butterfly shell (1) is provided with a buffer assembly (9) for buffering the multi-pin butterfly shell (1), the buffer assembly (9) comprises a buffer plate (91), an upper mounting block (92), a spring buffer (93), a lower mounting block (94), a support plate (95), a limiting assembly (96), the lower end of the multi-pin butterfly shell (1) is fixedly connected with the buffer plate (91), the spring buffer (93) is installed through the upper mounting block (92) and the lower mounting block (94), the support plate (95) and the buffer plate (91) are installed on the upper mounting block (92) and the lower mounting block (94) respectively, and the support plate (95) and the buffer plate (91) are provided with limiting assemblies (96) for limiting the upper mounting block (92) and the lower mounting block (94) respectively.

2. The high-speed, wide-spectrum response photodetector of claim 1, wherein, The limiting assembly (96) comprises a limiting rod (961), an elastic plate (962) and a fixed plate (963), the inside of the support plate (95) and the buffer plate (91) is provided with a limiting rod (961) for limiting the upper mounting block (92) and the lower mounting block (94), one end of the limiting rod (961) is fixedly connected with the elastic plate (962), and a plurality of the elastic plates (962) are installed on the side walls of the support plate (95) and the buffer plate (91) through the fixed plate (963).

3. The high-speed, wide-spectrum response photodetector of claim 1, wherein, The top end of the multi-pin butterfly shell (1) is provided with a radio frequency output GPPO terminal (2).

4. The high-speed, wide-spectrum response photodetector of claim 3, wherein, The radio frequency output GPPO terminal (2) is provided with a radio frequency transmission substrate (3) outside the radio frequency needle, and the radio frequency transmission substrate (3) is provided with a resistor away from one end of the radio frequency output GPPO terminal (2) radio frequency needle.

5. The high-speed, wide-spectrum response photodetector of claim 4, wherein, One end of the radio frequency transmission substrate (3) is provided with a high-speed electric chip (4), and the high-speed electric chip (4) is provided with a high-speed wide-spectrum response optical chip (5) away from one end of the radio frequency transmission substrate (3).

6. The high-speed, wide-spectrum response photodetector of claim 3, wherein, The inside of the multi-pin butterfly shell (1) is provided with a PCB circuit board (6), and the PCB circuit board (6) is electrically connected with the Pin on the multi-pin butterfly shell (1).

7. The high-speed, wide-spectrum response photodetector of claim 6, wherein, The inner wall of the multi-pin butterfly shell (1) is provided with an optical fiber support (7), and the optical fiber support (7) is provided with a multi-mode OM3 beveled optical fiber assembly (8) together with the multi-pin butterfly shell (1).

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