CN214895046U - Acoustic emission collector structure with good shielding effect - Google Patents
Acoustic emission collector structure with good shielding effect Download PDFInfo
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- CN214895046U CN214895046U CN202121377903.3U CN202121377903U CN214895046U CN 214895046 U CN214895046 U CN 214895046U CN 202121377903 U CN202121377903 U CN 202121377903U CN 214895046 U CN214895046 U CN 214895046U
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Abstract
The utility model relates to an acoustic emission collector structure with good shielding effect, which comprises a shell with a tubular structure, wherein the bottom of the shell is provided with a first heat dissipation hole; the radiator, the digital processing circuit board, the internal shielding plate and the analog signal conditioning plate are arranged in the shell, wherein the internal shielding plate is arranged between the digital processing circuit board and the analog signal conditioning plate; a first-stage shielding space is formed between the radiator and the internal shielding plate; set up respectively in the front end plate and the back end plate at the relative both ends of shell, the shell is connected with front end plate, back end plate and is formed second level shielding space, wherein all is equipped with the second louvre with the inside intercommunication of shell on front end plate and the back end plate. The utility model discloses the succinct compactness of structure, the shielding is effectual, and the pleasing to the eye degree of appearance is good.
Description
Technical Field
The utility model belongs to the technical field of data acquisition equipment, concretely relates to acoustic emission collector structure with good shielding effect.
Background
Acoustic emission is a common physical phenomenon, such as the sound generated when bamboo is bent, deformed or broken, but when we hear the sound, the internal tissue of the material is damaged, and in order to study the change process of the material from stress, deformation, damage and damage, we need to observe from early weak acoustic emission signals, which needs to be observed by means of special instruments, including sensors, amplifiers, collectors, computers and the like, wherein the analog circuit parts of the sensors, amplifiers and collectors all require low noise and wide dynamic range, and for the collectors, the shells must have good shielding effect to isolate noise.
The shell of present collector generally adopts the steel sheet hem shaping to reuse spot welding, screw fastening or rivet riveting to form, places each part in the internal installation, and the shell of this kind of structure must reserve a plurality of screw hole sites on the shell and be used for the fixed inside each part of installation to guarantee overall structure's intensity, and it is a lot of that it is used for the spare part quantity of structure itself, and process steps is loaded down with trivial details during the equipment, and a plurality of concatenation gaps and fastening screw are visible in the outward appearance, and the pleasing to the eye degree of appearance is general, and shielding effect is also general.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned defect, provide an acoustic emission collector structure with good shielding effect, the succinct compactness of structure, shielding effect is good, and the pleasing to the eye degree of appearance is good.
The utility model provides a technical scheme that its technical problem adopted as follows:
an acoustic emission collector structure with good shielding effect comprises a shell with a tubular structure, wherein the bottom of the shell is provided with a first heat dissipation hole; the radiator, the digital processing circuit board, the internal shielding plate and the analog signal conditioning plate are arranged in the shell, wherein the internal shielding plate is arranged between the digital processing circuit board and the analog signal conditioning plate; a first-stage shielding space is formed between the radiator and the internal shielding plate; set up respectively in the front end plate and the back end plate at the relative both ends of shell, the shell is connected with front end plate, back end plate and is formed second level shielding space, wherein all is equipped with the second louvre with the inside intercommunication of shell on front end plate and the back end plate.
Furthermore, a fan is arranged in the shell, and the fan is arranged at the bottom of the radiator and is right opposite to the first heat dissipation hole.
Furthermore, a heat dissipation gasket arranged on the radiator is arranged in the shell, and the digital processing circuit board is arranged on the heat dissipation gasket.
Furthermore, a signal input socket, a power switch, a power supply and a signal indicator lamp are mounted on the front end plate.
Furthermore, a network cable socket, an SD card socket, a power input socket and an audio output socket are mounted on the rear end plate.
Furthermore, both sides of the radiator are provided with sponges.
The utility model has the advantages that:
(1) the utility model adopts the shell with a tubular structure, thereby embodying the appearance beauty, the inside adopts the installation radiator and the internal shielding plate to fix the digital processing circuit board and the analog signal conditioning board, and the shell does not participate in the structure fastening and only keeps necessary connection with the radiator, thereby embodying the conciseness and compactness of the structure; in addition, the front end plate and the rear end plate form a drawer type structure, the assembly process is simple, and the first-stage shielding space and the second-stage shielding space formed inside the drawer type structure enable the drawer type structure to have a good shielding effect.
(2) The utility model discloses an inside radiating effect has been strengthened to the fan.
(3) The utility model provides a sponge is used for filling the clearance between radiator side and the shell, avoids external disturbance to spread into the space of internally mounted circuit board through the clearance after the first louvre gets into.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of another view angle of the present invention;
fig. 3 is an assembly view of the present invention;
fig. 4 is an exploded view of the present invention;
wherein: the device comprises a shell 1, a fan 2, a radiating gasket 3, a radiator 4, a digital processing circuit board 5, an internal shielding plate 6, an analog signal conditioning plate 7, a front end plate 8, a signal input socket 81, a power switch 82, a power supply 83, a signal indicator lamp 84, a rear end plate 9, a network cable socket 91, an SD card socket 92, a power input socket 93, an audio output socket 94, sponge 10, a first radiating hole 11 and a second radiating hole 12.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The acoustic emission collector structure with good shielding effect shown in fig. 1 to 4 comprises a tubular structure of a housing 1, a fan 2, a heat sink 3, a heat sink 4, a digital processing circuit board 5, an internal shielding plate 6, an analog signal conditioning plate 7, a front end plate 8 and a rear end plate 9. The fan 2, the radiating gasket 3, the radiator 4, the digital processing circuit board 5, the internal shielding plate 6 and the analog signal conditioning plate 7 are all arranged in the shell 1, the sponge 10 is arranged on both sides of the radiator 4, the fan 2 is arranged at the bottom of the radiator 4, the radiating gasket 3 is arranged on the radiator 4, the digital processing circuit board 5 is arranged on the radiating gasket 3, the internal shielding plate 6 is arranged on the digital processing circuit board 5, and the analog signal conditioning plate 7 is arranged on the internal wall shielding plate 6; and front end plate 8 and back end plate 9 are installed respectively at the relative both ends of shell 1, and all are equipped with the second louvre 12 with the inside intercommunication of shell 1 on front end plate 8 and the back end plate 9. Wherein a first-stage shielding space is formed between the radiator 4 and the internal shielding plate 6, and the shell 1 is connected with the front end plate 8 and the rear end plate 9 to form a second-stage shielding space.
In this embodiment, the analog signal conditioning board 7 is used for inputting the acoustic emission signal, and sending the acoustic emission signal to the digital processing circuit board after filtering and amplifying, and then the digital processing circuit board 5 converts the acoustic emission signal of the analog signal conditioning board into a digital signal, and performs operation processing, storage and transmission through the ethernet.
In this embodiment, a square aluminum profile with 60 × 205mm is processed into a square housing 1 with 60 × 200mm by CNC, the bottom of the housing 1 is provided with a first heat dissipation hole 11 and a screw hole for fixing the heat sink 4, the first heat dissipation hole 12 faces the fan 2, the fan is controlled by an external temperature switch, and when the temperature of the heat sink is too high, the fan is started to perform forced air cooling to achieve the heat dissipation effect.
In this embodiment, a 50 × 20 × 205mm aluminum profile heat sink is processed into a 50 × 20 × 200mm heat sink by CNC, fins are formed at one end of the heat sink, mounting positions of 40 × 8mm fans are left on fin surfaces, mounting screw holes and housing fixing screw holes are left on the heat sink and on front and rear end plates, a reserved space of a network cable socket, mounting holes of a heat dissipation gasket and mounting screw holes of a digital processing circuit board are left on the surface of the heat sink, that is, the front end plate, the rear end plate, the housing and the heat sink are all fixedly connected by screws, and the heat dissipation gasket and the digital processing circuit board are all fixedly connected with the heat sink by screws. According to the different heights of the heating elements on the digital processing circuit board, the special-shaped radiating gasket made of red copper can conduct the heat emitted by the elements with different heights to the radiator.
In this embodiment, a 0.5mm by 53mm thin aluminum plate is bent into a 8+145+16mm U-shaped internal shield plate, and openings for the digital processing circuit board and the analog signal conditioning board connector are left at the corner edges.
In this embodiment, the front end plate 8 is made of a square tube aluminum profile of 60 × 58mm by CNC machining to form (30+54) × 54mm angle aluminum, the 30mm side is fixed at the bottom of the heat sink, the 54mm side is used for installing the signal input socket 81, the power switch 82, the power supply 83 and the signal indicator lamp 84, and the second heat dissipation holes 12 on the front end plate 8 are located on the 54mm side. And the rear end plate 9 is made of a square tube aluminum profile with 60 × 58mm into (25+54) × 54mm angle aluminum by CNC (computer numerical control), the edge of 25mm is fixed at the bottom of the radiator, the edge of 54mm is used for installing a network cable socket 91, an SD card socket 92, a power input socket 93 and an audio output socket 94, and the second heat dissipation holes 12 on the rear end plate 9 are located on the edge of 54 mm.
The whole structure of the utility model is based on an aluminum radiator, sponges are pasted on two side surfaces, a radiating fan is arranged at the bottom, a digital processing circuit board is arranged after a radiating gasket is arranged on the surface, a shielding plate is arranged on the circuit board, an analog signal conditioning plate is arranged on the shielding plate, an input-output connector assembly is connected to the front end plate and the rear end plate arranged at two ends of the radiator to form an assembly, the assembly is inserted into a shell to form a fully-wrapped drawer type structure, and the shell and the radiator are fixed by fixing screws on the bottom surface of the shell; a first-stage shielding space is formed between the radiator and the internal shielding plate and used for inhibiting digital noise of the digital processing circuit board from influencing the analog signal conditioning plate, and meanwhile, the drawer-type shell, the front end plate and the rear end plate form a second-stage shielding space to isolate external interference from entering and inhibit self electric waves from radiating to the outside.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (6)
1. The utility model provides an acoustic emission collector structure with good shielding effect which characterized in that: the heat dissipation device comprises a shell with a tubular structure, wherein a first heat dissipation hole is formed in the bottom of the shell;
the radiator, the digital processing circuit board, the internal shielding plate and the analog signal conditioning plate are arranged in the shell, wherein the internal shielding plate is arranged between the digital processing circuit board and the analog signal conditioning plate; a first-stage shielding space is formed between the radiator and the internal shielding plate;
set up respectively in the front end plate and the back end plate at the relative both ends of shell, the shell is connected with front end plate, back end plate and is formed second level shielding space, wherein all is equipped with the second louvre with the inside intercommunication of shell on front end plate and the back end plate.
2. The acoustic emission collector structure with good shielding effect of claim 1, wherein: the shell is internally provided with a fan which is arranged at the bottom of the radiator and is right opposite to the first heat dissipation hole.
3. The acoustic emission collector structure with good shielding effect of claim 1, wherein: and a heat dissipation gasket arranged on the radiator is also arranged in the shell, and the digital processing circuit board is arranged on the heat dissipation gasket.
4. The acoustic emission collector structure with good shielding effect of claim 1, wherein: and the front end plate is provided with a signal input socket, a power switch, a power supply and a signal indicator lamp.
5. The acoustic emission collector structure with good shielding effect of claim 1, wherein: and the rear end plate is provided with a network cable socket, an SD card socket, a power input socket and an audio output socket.
6. The acoustic emission collector structure with good shielding effect of claim 1, wherein: the sponge is arranged on both sides of the radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377903.3U CN214895046U (en) | 2021-06-21 | 2021-06-21 | Acoustic emission collector structure with good shielding effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121377903.3U CN214895046U (en) | 2021-06-21 | 2021-06-21 | Acoustic emission collector structure with good shielding effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214895046U true CN214895046U (en) | 2021-11-26 |
Family
ID=78931697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121377903.3U Active CN214895046U (en) | 2021-06-21 | 2021-06-21 | Acoustic emission collector structure with good shielding effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214895046U (en) |
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2021
- 2021-06-21 CN CN202121377903.3U patent/CN214895046U/en active Active
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