SiPM readout circuit board for muon detector

Abstract

The SiPM readout circuit board for the muon detector comprises a PCB, and the PCB is provided with an electronic element, a SiPM silicon photomultiplier, a power socket and a signal socket. The electronic element, the SiPM silicon photomultiplier, the power socket and the signal socket are connected through wires on the PCB. A flexible sheet is arranged on the edge of the PCB; after being bent, the flexible sheet is used for mounting the PCB on the plastic scintillator; according to the utility model, the two sides of the SiPM read-out circuit board are provided with the sheets which are easy to bend, and the bent sheets can wrap the SiPM read-out circuit board on the surface of the plastic scintillator, thereby facilitating the disassembly and assembly of the SiPM read-out circuit board, greatly reducing the damage to the SiPM silicon photomultiplier or the plastic scintillator in the disassembly and assembly process, and reducing the use cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to SiPM readout circuit board technical field, specifically a kind of SiPM readout circuit board for muon detector. BACKGROUND

[0002] SiPM (Silicon Photomultiplier, silicon photomultiplier) readout circuit board is specially designed for electronic circuit board for cooperation with SiPM detector work.SiPM is a kind of high sensitivity and high time resolution solid-state light detector, mainly used in particle physics, medical imaging (such as PET scanning), nuclear physics, laser radar and other applications.SiPM can accurately measure weak light signals from physical events through high-gain single-photon level detection capability.

[0003] The existing SiPM readout circuit board needs to be pasted to plastic scintillator with optical adhesive when using, SiPM on SiPM readout circuit board is easily damaged, or plastic scintillator is damaged in dismounting process, even cannot be dismounted, greatly improve use cost. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that provide a kind of SiPM readout circuit board for muon detector, can effectively solve the problems presented in the above background.

[0005] To solve the above problems, the technical scheme adopted by the utility model is: a kind of SiPM readout circuit board for muon detector, including PCB board, the PCB board is equipped with electronics component, SiPM silicon photomultiplier, power socket and signal socket;Electronics component, SiPM silicon photomultiplier and power socket and signal socket are connected by the wire on the PCB board;The edge of the PCB board is equipped with flexible sheet;The flexible sheet is bent and used to install the PCB board on plastic scintillator.

[0006] As a further preferred scheme of the utility model, the flexible sheet is provided with two pieces, respectively located on the first edge and the second edge oppositely arranged on the PCB board.

[0007] As a further preferred scheme of the utility model, the flexible sheet is zinc sheet or copper sheet, and the flexible sheet is fixedly connected with the PCB board by welding.

[0008] As a further preferred scheme of the utility model, the flexible sheet is flexible PCB sheet, and the flexible sheet is combined with the PCB board by pressing process.

[0009] As a further preferred scheme of the utility model, the power socket and the signal socket adopt Ipex terminals.

[0010] As a further preferred scheme of the utility model, the power socket and the signal socket are provided with one or more than one, wherein one power socket corresponds to at least one signal socket.

[0011] As a further preferred scheme of the utility model, the SiPM silicon photomultiplier surface is attached with a silicone grease layer.

[0012] Compared with the prior art, the utility model provides a SiPM readout circuit board for a muon detector, which has the following beneficial effects:

[0013] In the utility model, the SiPM readout circuit board is provided with a thin sheet that is easy to bend on both sides, the bent thin sheet can wrap the SiPM readout circuit board on the surface of the plastic scintillator, the SiPM on the SiPM readout circuit board is attached with non-flowing silicone grease, as long as the thin sheet is fixed on the plastic scintillator, the coupling between the SiPM readout circuit board and the plastic scintillator can be realized, the SiPM readout circuit board is convenient to disassemble and assemble, and the SiPM silicon photomultiplier or the plastic scintillator is not easy to be damaged in the disassembly and assembly process, and the use cost can be greatly reduced.

[0014] In addition, in the utility model, the power socket and the signal socket of the SiPM readout circuit board adopt Ipex terminals, the terminal has the characteristics of small size, and adopts a coaxial cable, can play a better shielding effect, in addition, the Ipex terminal is designed as a patch, and there is no solder paste remaining on the other side of the SiPM readout circuit board, therefore, the coupling between the SiPM and the plastic scintillator is not affected, the Ipex terminal wire is used when wiring, has good stability, and is not easy to fall off. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view of the structure of the utility model;

[0016] Fig. 2 It is a back view of the structure of the utility model;

[0017] Wherein: 1, PCB board; 2, electronic component; 3, SiPM silicon photomultiplier; 4, power socket; 5, signal socket; 6, flexible sheet. CONCRETE IMPLEMENTATION

[0018] It should be noted that if the embodiments of the utility model have the direction indication (such as up, down, left, right, front, back, etc.), the direction indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, if the certain posture changes, the direction indication also changes accordingly.

[0019] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features.

[0020] In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme.

[0021] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0022] Referring to Figs. 1-2 The utility model provides a kind of SiPM readout circuit board for muon detector, including PCB board 1, electronic component 2 is equipped on PCB board 1, SiPM silicon photomultiplier 3, power socket 4 and signal socket 5;The electronic component 2, SiPM silicon photomultiplier 3 and power socket 4 and signal socket 5 are connected by the wire on PCB board 1;The edge of the PCB board 1 is equipped with flexible sheet 6;The flexible sheet 6 is bent and used to install PCB board 1 on plastic scintillator.The SiPM readout circuit board provided by the utility model not only is convenient to disassemble, but also is not easy to damage SiPM silicon photomultiplier 3 and plastic scintillator in disassembly process, and use cost can be greatly reduced.

[0023] As a further preferred scheme of the utility model, the flexible sheet 6 is equipped with two pieces, respectively located on the first edge and the second edge (upper edge and lower edge) oppositely arranged on the PCB board 1.In order to achieve better fixing effect, the length of flexible sheet 6 in the utility model is same with the length of the first edge / second edge of PCB board 1.

[0024] As a further preferred scheme of the utility model, the flexible sheet 6 is zinc sheet or copper sheet, and then the PCB board 1 further includes strip-shaped pad arranged on the first edge and the second edge, and the flexible sheet 6 is fixedly connected with the strip-shaped pad on the PCB board 1 by welding.

[0025] As a further preferred aspect of the present application, the flexible sheet 6 is a flexible PCB sheet, and the flexible sheet 6 is combined with the PCB board 1 through a press bonding process.

[0026] As a further preferred aspect of the present application, the power socket 4 and the signal socket 5 both adopt Ipex terminals, which are used for SiPM readout circuit board plugs of muon detectors, and have the characteristics of small volume, and adopt coaxial cables, which can play a better shielding effect.

[0027] As a further preferred aspect of the present application, the Ipex terminals are designed in a patch type, so that the Ipex terminals do not need to pass through the PCB board 1 when being fixed, and therefore no solder paste is left on the other side of the PCB board 1, so that the coupling between the SiPM silicon photomultiplier 3 and the plastic scintillator is not affected. In addition, in the present application, Ipex terminal wires that are matched with the Ipex terminals are used for wiring, and have good stability and are not easy to fall off.

[0028] As a further preferred aspect of the present application, one or more than one power socket 4 and signal socket 5 are provided, wherein one power socket 4 corresponds to at least one signal socket 5, so that the number of the power socket 4 and the signal socket 5 can be designed and adjusted according to actual conditions, and one power socket 4 can simultaneously supply power to one or more SiPM silicon photomultipliers 3, so as to reduce the occupied space of multiple power sockets 4.

[0029] As a further preferred aspect of the present application, the surface of the SiPM silicon photomultiplier 3 is attached with a non-flowing silicone grease layer, which can eliminate the air between the SiPM silicon photomultiplier 3 and the plastic scintillator, improve the coupling degree between the SiPM silicon photomultiplier 3 and the plastic scintillator, and more stably output a detection signal.

[0030] As a specific embodiment of the present application, the flexible sheet 6 after being bent can wrap the PCB board 1 on the surface of the plastic scintillator, J0 is a power input interface, and J1-J4 are respectively 1-4 signal output interfaces of the SiPM readout circuit board. In the embodiment, the shape of the PCB board 1 is a parallelogram, and the flexible sheet 6 is fixedly installed on the oppositely arranged long edges of the PCB board 1. It should be noted that the shape of the PCB board 1 is not specifically limited in the embodiment. The model of the silicon photomultiplier is SenSL60035 (SiPM), and the model of the silicon photomultiplier is not specifically limited in the embodiment.

[0031] According to the need, the above-mentioned installation, setting, provided or connected mode includes but is not limited to screw, riveting, welding or sleeve connection, fixing and the like mode is installed, set or connected, according to the need of working situation selects the installation, setting or connected mode.

[0032] The above-mentioned is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by the present application specification and the content of the drawings, or directly / indirectly applied in other related technical fields under the utility model concept of the present application are included in the patent protection range of the present application.

Claims

1. A SiPM readout circuit board for a muon detector, characterized by, The application relates to a PCB board (1) provided with electronic components (2), SiPM silicon photomultiplier tubes (3), a power socket (4) and a signal socket (5); the electronic components (2), the SiPM silicon photomultiplier tubes (3), the power socket (4) and the signal socket (5) are connected through wires on the PCB board (1); the edges of the PCB board (1) are provided with flexible sheets (6); the flexible sheets (6) are used for mounting the PCB board (1) after being bent.

2. The SiPM readout board for a scintillator detector according to claim 1, characterized by, The flexible sheets (6) are provided with two sheets respectively arranged on the first edge and the second edge of the PCB board (1).

3. The SiPM readout board for a scintillator detector according to claim 1, wherein The flexible sheets (6) are zinc sheets or copper sheets, and the flexible sheets (6) are fixedly connected with the PCB board (1) through welding.

4. The SiPM readout board for a scintillator detector according to claim 1, wherein The flexible sheets (6) are flexible PCB sheets, and the flexible sheets (6) are combined with the PCB board (1) through a pressing process.

5. The SiPM readout board for a scintillator detector according to claim 1, wherein The power socket (4) and the signal socket (5) are provided with one or more than one, wherein one power socket (4) corresponds to at least one signal socket (5).

6. The SiPM readout board for a scintillator detector according to claim 1 or 5, characterized by, The power socket (4) and the signal socket (5) adopt Ipex terminals.

7. The SiPM readout board for a scintillator detector according to claim 6, characterized in that, The Ipex terminals are of a patch type design.

8. The SiPM readout board for a scintillator detector according to claim 1, wherein The SiPM silicon photomultiplier tubes (3) are attached with a layer of silicone grease.

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