Circuit board clamp for atmospheric neutron irradiation experiment

Abstract

The utility model discloses a circuit board clamp used for atmosphere neutron irradiation experiment, comprising a base plate, a bottom groove, a first screw, a clamping jaw, a vertical rod and a second screw, the base plate and the bottom groove are fixed through bonding, and the vertical rod and the bottom groove are fixed through bonding. According to the circuit board clamp for the atmosphere neutron irradiation experiment, through the arrangement of the bottom groove, the first screw, the clamping jaw, the vertical rod and the second screw, in the using process, the bottom edge and the side edge of a circuit board are clamped in the bottom groove and the clamping jaw respectively, the circuit board can be fixed by fastening the first screw and the second screw, and therefore the circuit board is rapidly fixed, and the clamping efficiency is improved. The clamping jaws can slide up and down on the vertical rods by loosening the second screws on the vertical rods, different positions of the circuit boards can be conveniently fixed, four groups of circuit boards can be fixed by utilizing the four groups of bottom grooves and the vertical rods, the requirement of carrying out irradiation experiments on a plurality of circuit boards at the same time is met, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of spallation neutron sources, in particular to a circuit board fixture used for atmospheric neutron irradiation experiments. Background Art

[0002] The atmospheric neutron irradiation spectrometer can provide a neutron energy spectrum that is basically consistent with atmospheric neutrons. It plays an irreplaceable and important role in conducting various radiation effect tests caused by neutron irradiation and related experimental research on high-energy neutron irradiation.

[0003] When users conduct circuit board irradiation experiments in the spectrometer, neutrons will activate metal materials. When adjusting the position of the circuit board, a clamp is needed to fix the circuit board to prevent shaking. In addition, there is a need to conduct irradiation experiments on multiple circuit boards at the same time. In order to solve the above problems, a clamp made of acrylic material is designed, which is easy to operate and can clamp multiple circuit boards at the same time. It can be effectively used in the circuit board irradiation experiment of the atmospheric neutron spectrometer. Therefore, it is necessary to design a circuit board clamp for atmospheric neutron irradiation experiments. Utility Model Content

[0004] The main purpose of the utility model is to provide a circuit board fixture for atmospheric neutron irradiation experiments, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A circuit board fixture for atmospheric neutron irradiation experiments comprises a bottom plate, a bottom groove, a first screw, a clamping claw, a vertical rod and a second screw. The bottom plate and the bottom groove are fixed by bonding, and the vertical rod and the bottom groove are fixed by adhesion.

[0007] In order to make, as a circuit board fixture for atmospheric neutron irradiation experiment of the utility model, four bottom grooves are arranged on the upper plane of the bottom plate, and each of the bottom grooves corresponds to a vertical rod and two clamping claws.

[0008] In order to facilitate adjustment, as a circuit board fixture for atmospheric neutron irradiation experiments of the utility model, the first screw and the second screw are used to adjust and fix the circuit board.

[0009] In order to achieve a fastening effect, as a circuit board clamp for atmospheric neutron irradiation experiments of the utility model, the position of the clamping claw can be adjusted along the vertical pole to meet the requirements of different circuit board fastening positions.

[0010] In order to facilitate placement, as a circuit board fixture for atmospheric neutron irradiation experiments of the utility model, the bottom groove is used to place the experimental circuit board, and the width of the groove is 8 mm and the depth is 5 mm.

[0011] In order to facilitate the experiment, as a circuit board fixture for atmospheric neutron irradiation experiment of the utility model, the spacing between adjacent bottom grooves is 120 mm, and four circuit boards can be installed at the same time to carry out irradiation experiments.

[0012] In order to make it strong and durable, as a circuit board fixture for atmospheric neutron irradiation experiment of the utility model, the first screw and the second screw are made of nylon, and the rest are made of acrylic.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, through the arrangement of the bottom groove, the first screw, the clamping claw, the vertical pole and the second screw, during use, the bottom edge and the side edge of the circuit board are first clamped in the bottom groove and the clamping claw respectively, and the bottom edge of the circuit board can be fixed in the bottom groove by tightening the first screw, and the side edge of the circuit board can be fixed in the clamping claw by tightening the second screw, so that the circuit board can be quickly fixed, and the second screw on the vertical pole can be loosened to make the clamping claw slide up and down on the vertical pole, which is convenient for fixing different positions of the circuit board, and then the circuit board irradiation experiment is carried out through the spectrometer, which can avoid the shaking of the circuit board during the experiment, and four groups of circuit boards can be fixed by using four groups of bottom grooves and vertical poles, which is convenient for carrying out irradiation experiments of multiple circuit boards at the same time. The first screw and the second screw made of nylon and the bottom plate made of acrylic have the function of preventing activation of non-metallic materials, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a left-side structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a front view structural schematic diagram of an embodiment of the utility model;

[0017] Figure 3 It is a schematic diagram of the top structure of an embodiment of the utility model.

[0018] In the figure: 1, bottom plate; 2, bottom groove; 3, first screw; 4, clamping claw; 5, vertical pole; 6, second screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] like Figure 1-3 As shown, a circuit board fixture for atmospheric neutron irradiation experiment includes a base plate 1, a bottom groove 2, a first screw 3, a clamping claw 4, a vertical rod 5 and a second screw 6. The base plate 1 and the bottom groove 2 are fixed by bonding, and the vertical rod 5 and the bottom groove 2 are fixed by adhesion.

[0022] During specific use, first clamp the bottom edge and side edge of the circuit board in the bottom groove 2 and the clamp 4 respectively. By tightening the first screw 3 and the screw M56, the circuit board can be quickly fixed. By loosening the second screw 6 on the vertical pole 5, the clamp 4 can slide up and down on the vertical pole 5, which is convenient for fixing circuit boards of different sizes. By using four sets of bottom grooves 2 and vertical poles 5, four sets of circuit boards can be fixed, which is convenient for carrying out irradiation experiments on multiple circuit boards at the same time.

[0023] In this embodiment, four bottom grooves 2 are arranged on the upper plane of the bottom plate 1 , and each bottom groove 2 corresponds to a vertical rod 5 and two clamping claws 4 .

[0024] During specific use, four groups of circuit boards can be placed and fixed at the same time through the four bottom grooves 2 and the four vertical poles 5, so as to facilitate the need to carry out irradiation experiments on multiple circuit boards at the same time.

[0025] In this embodiment, the first screw 3 and the second screw 6 are used to adjust and fix the circuit board.

[0026] During specific use, the circuit board can be fixed by tightening the first screw 3 and the second screw 6, and the circuit board can be easily taken out after loosening the first screw 3 and the second screw 6.

[0027] In this embodiment, the position of the clamping jaws 4 can be adjusted along the vertical rod 5 to meet the requirements of different circuit board fastening positions.

[0028] When in use, the second screw 6 on the vertical rod 5 is loosened to allow the clamping jaw 4 to slide up and down on the vertical rod 5. After the second screw 6 is tightened again, different positions of the circuit board can be fixed.

[0029] In this embodiment, the bottom groove 2 is used to place a circuit board for experiments, and the width of the groove is 8 mm and the depth is 5 mm.

[0030] During specific use, the bottom groove 2 and the width of the circuit board are adapted to each other, so that the bottom edge of the circuit board can be clamped on the bottom groove 2 to make the fixation more firm.

[0031] In this embodiment, the spacing between adjacent bottom grooves 2 is 120 mm, and four circuit boards can be installed at the same time to carry out irradiation experiments.

[0032] During specific use, four groups of circuit boards can be fixed simultaneously through the four groups of bottom slots 2, so as to facilitate the need of carrying out irradiation experiments on multiple circuit boards at the same time.

[0033] In this embodiment, the first screw 3 and the second screw 6 are made of nylon, and the rest are made of acrylic.

[0034] When used specifically, the first screw 3 and the second screw 6 made of nylon, the bottom plate 1 and the upright pole 5 made of acrylic, etc., have the function of preventing activation of non-metallic materials.

[0035] Working principle: During use, first clamp the bottom edge and side edge of the circuit board in the bottom groove 2 and the clamping claw 4 respectively, and by tightening the first screw 3 and the second screw 6, the side edge and bottom edge of the circuit board can be fixed in the clamping claw 4 and the bottom groove 2, so that the circuit board can be quickly fixed, and loosening the second screw 6 on the vertical rod 5 can make the clamping claw 4 slide up and down on the vertical rod 5, which is convenient for fixing different positions of the circuit board, and then the circuit board irradiation experiment is carried out through the spectrometer to avoid the shaking of the circuit board during the experiment. By using four groups of bottom grooves 2 and vertical rods 5, four groups of circuit boards can be fixed, which is convenient for carrying out irradiation experiments of multiple circuit boards at the same time, and has the effect of fast fixing and simple operation.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A circuit board fixture for atmospheric neutron irradiation experiments, comprising a bottom plate (1), a bottom groove (2), a first screw (3), a clamping claw (4), a vertical rod (5) and a second screw (6), characterized in that: The bottom plate (1) and the bottom groove (2) are fixed by bonding, and the vertical rod (5) and the bottom groove (2) are fixed by adhesion; four bottom grooves (2) are arranged on the upper plane of the bottom plate (1), and each of the bottom grooves (2) corresponds to a vertical rod (5) and two clamps (4); the position of the clamp (4) can be adjusted along the vertical rod (5) to meet the requirements of different circuit board fastening positions; the first screw (3) and the second screw (6) are made of nylon, and the rest are made of acrylic material.

2. A circuit board fixture for atmospheric neutron irradiation experiment according to claim 1, characterized in that: The first screw (3) and the second screw (6) are used to adjust and fix the circuit board.

3. The circuit board fixture for atmospheric neutron irradiation experiment according to claim 1, characterized in that: The bottom groove (2) is used to place a circuit board for experiments, and has a width of 8 mm and a depth of 5 mm.

4. The circuit board fixture for atmospheric neutron irradiation experiment according to claim 1, characterized in that: The spacing between adjacent bottom grooves (2) is 120 mm, and four circuit boards can be installed simultaneously to carry out irradiation experiments.

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