A low noise signal controller

Abstract

The utility model belongs to signal controller technical field especially relates to a low noise signal controller, is provided with signal control electric board in control box, is used for controlling and processing to signal, control box top fixedly set up has the box cover, is provided with sealing assembly between the box cover and control box, can prevent dust and other impurities from entering the control box inside, thereby influence signal control electric board operation, the box cover top fixedly connected with the sound attenuation frame, is provided with the air outlet pipe in the sound attenuation frame, is provided with fan piece in the air outlet pipe, and the heat that signal control single board work produced can be taken out from the air outlet pipe by starting fan piece, the sound attenuation frame can reduce the noise that air flow and fan piece operation produced, provides more quiet condition for use environment.

Description

Technical Field

[0001] This utility model belongs to the field of signal controller technology, and in particular relates to a low-noise signal controller. Background Technology

[0002] Signal controllers play a crucial role in various electronic devices and systems, enabling precise control and processing of signals. However, traditional signal controllers often generate significant noise during operation due to the running of components such as cooling fans. This noise not only interferes with the surrounding environment and affects user experience, but in places with strict noise requirements, such as laboratories and hospitals, it can even disrupt the normal operation of equipment or affect the work and rest of personnel. Utility Model Content

[0003] The purpose of this invention is to provide a low-noise signal controller to address the aforementioned technical problems, thereby solving the issues raised in the background section.

[0004] In view of this, the present invention provides a low-noise signal controller, wherein a signal control board is provided inside the control box;

[0005] A cover is fixedly installed on the top of the control box;

[0006] A sealing assembly is provided between the box cover and the control box;

[0007] A sound-absorbing frame is fixedly connected to the top of the box lid;

[0008] The air outlet duct is installed inside the silencer frame, and the air outlet duct contains a fan component.

[0009] In the above technical solution, the air outlet duct further includes:

[0010] The steering section has one end that passes through the muffler frame and communicates with the inside of the control box;

[0011] The expanding section is fixedly connected to one side of the steering section, and the other side of the expanding section passes through the silencing frame. The fan component is located inside the expanding section.

[0012] In the above technical solution, a baffle is further provided at the air outlet end of the gradually expanding section.

[0013] Furthermore, in the above technical solution, the inner wall surfaces of the turning part and the expanding part, as well as the side of the baffle near the air outlet of the expanding part, are all provided with sound-absorbing cotton.

[0014] In the above technical solution, furthermore, connecting plates are fixedly installed on both sides of the shield, and threaded holes are opened on the connecting plates. The connecting plates are connected to the expanding part by bolts.

[0015] In the above technical solution, a connecting ring is fixedly connected to the outer periphery of the top of the control box. The box cover is adapted to the connecting ring. Several fixing holes are opened through both sides of the box cover, and the fixing holes extend downward to the connecting ring. Fixing bolts are installed on the fixing holes.

[0016] In the above technical solution, a sealing groove is further provided on the top of the control box, and a sealing ring is provided in the sealing groove.

[0017] In the above technical solution, a groove is further provided on the connecting ring, and a protrusion that matches the groove is fixedly provided at the bottom of the box cover. A through hole is provided at the bottom of the groove, and the through hole passes through the connecting ring.

[0018] Furthermore, in the above technical solution, ventilation slots are provided on both sides of the control box, and filters are installed on the ventilation slots.

[0019] The beneficial effects of this utility model are as follows:

[0020] 1. The soundproof frame reduces noise from airflow and fan operation, providing a quieter operating environment.

[0021] 2. The inner walls of the turning section and the expanding section, as well as the side of the baffle near the air outlet of the expanding section, are all equipped with sound-absorbing cotton. The sound-absorbing cotton can absorb the noise generated during the air flow process, further reducing the overall noise level of the signal controller.

[0022] 3. A sealing groove is provided on the top of the control box, and a sealing ring is installed in the sealing groove. The sealing ring enhances the sealing between the control box and the box cover, preventing dust and other impurities from entering the control box. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is an exploded view of this utility model;

[0025] Figure 3 This is a cross-sectional view of the sound-absorbing frame structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the air outlet duct structure of this utility model;

[0027] Figure 5 This is a cross-sectional view of the sealing component structure of this utility model;

[0028] The markings in the diagram are as follows: 1-Control box, 2-Signal control board, 3-Box cover, 4-Silencer frame, 5-Air outlet duct, 6-Fan component, 7-Directional part, 8-Expanding part, 9-Shielding plate, 10-Connecting plate, 11-Connecting ring, 12-Sealing groove, 13-Sealing ring, 14-Groove, 15-Protrusion, 16-Through hole, 17-Filter screen. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0030] Example 1:

[0031] This embodiment provides a low-noise signal controller, including:

[0032] Control box 1, and signal control board 2 is installed inside control box 1;

[0033] Box cover 3, the top of control box 1 is fixedly provided with box cover 3;

[0034] A sealing assembly is provided between the cover 3 and the control box 1;

[0035] The top of the box cover 3 is fixedly connected to the sound-absorbing frame 4;

[0036] An air outlet duct 5 is installed inside the silencer frame 4, and a fan component 6 is installed inside the air outlet duct 5.

[0037] As can be seen in this embodiment, a signal control board 2 is installed inside the control box 1 for controlling and processing signals. A cover 3 is fixedly installed on the top of the control box 1, and a sealing component is installed between the cover 3 and the control box 1 to prevent dust and other impurities from entering the interior of the control box 1 and affecting the operation of the signal control board 2. A silencing frame 4 is fixedly connected to the top of the cover 3, and an air outlet duct 5 is installed inside the silencing frame 4. A fan 6 is installed inside the air outlet duct 5. Activating the fan 6 can carry away the heat generated by the operation of the signal control board 2 through the air outlet duct 5. The silencing frame 4 can reduce the noise generated by airflow and the operation of the fan 6, providing a quieter environment.

[0038] Example 2:

[0039] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0040] Air outlet duct 5 includes:

[0041] Steering part 7, one end of steering part 7 passes through the muffler frame 4 and communicates with the inside of control box 1;

[0042] The expanding section 8 is fixedly connected to one side of the turning section 7, and the other side of the expanding section 8 passes through the silencing frame 4. The fan component 6 is located inside the expanding section 8.

[0043] As can be seen in this embodiment, one end of the steering part 7 passes through the silencing frame 4 and communicates with the inside of the control box 1, which is used to guide the airflow direction inside the control box 1 so that the air can be discharged smoothly. The expanding part 8 is integrally formed with the steering part 7, and the other side of the expanding part 8 passes through the silencing frame 4. The fan 6 is set inside the expanding part 8. When the fan 6 is running, it draws in the hot air in the control box 1 through the steering part 7 and discharges it through the expanding part 8. The design of the expanding part 8 makes the air gradually diffuse during the discharge process, reducing the airflow speed and pressure, thereby reducing the generation of noise.

[0044] Example 3:

[0045] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0046] A baffle 9 is fixedly installed at the air outlet end of the gradually expanding section 8.

[0047] As can be seen from this embodiment, a baffle 9 is fixedly provided at the air outlet end of the gradually expanding section 8. The baffle 9 can further block and diffuse the exhaust air, reducing the propagation of noise.

[0048] Example 4:

[0049] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0050] Sound-absorbing cotton is provided on the inner wall surfaces of the turning part 7 and the expanding part 8, as well as on the side of the baffle 9 near the air outlet of the expanding part 8.

[0051] As can be seen from this embodiment, the inner wall surfaces of the steering part 7 and the expanding part 8, as well as the side of the baffle 9 near the air outlet of the expanding part 8, are all provided with sound-absorbing cotton. The sound-absorbing cotton can absorb the noise generated during the air flow process, further reducing the overall noise level of the signal controller.

[0052] Example 5:

[0053] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0054] Connecting plates 10 are fixedly installed on both sides of the cover plate 9. Threaded holes are opened on the connecting plates 10, and the connecting plates 10 are connected to the expanding part 8 by bolts.

[0055] As can be seen from this embodiment, connecting plates 10 are fixedly provided on both sides of the cover plate 9. Threaded holes are provided on the connecting plates 10. The connecting plates 10 and the gradually expanding part 8 are connected by bolts, making the connection tight and the installation and disassembly simple.

[0056] Example 6:

[0057] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0058] A connecting ring 11 is fixedly connected to the outer periphery of the top of the control box 1. The box cover 3 is adapted to the connecting ring 11. Several fixing holes are opened through both sides of the box cover 3, and the fixing holes extend downward to the connecting ring 11. Fixing bolts are installed on the fixing holes.

[0059] As can be seen from this embodiment, a connecting ring 11 is fixedly connected to the outer periphery of the top of the control box 1. The box cover 3 is adapted to the connecting ring 11. Several fixing holes are opened through both sides of the box cover 3, and the fixing holes extend downward to the connecting ring 11. Fixing bolts are installed on the fixing holes, making the connection tight and the installation and disassembly simple.

[0060] Example 7:

[0061] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0062] The top of the control box 1 has a sealing groove 12, and a sealing ring 13 is provided in the sealing groove 12.

[0063] As can be seen from this embodiment, a sealing groove 12 is provided on the top of the control box 1, and a sealing ring 13 is provided in the sealing groove 12. The sealing ring 13 enhances the sealing between the control box 1 and the box cover 3, and prevents dust and other impurities from entering the interior of the control box 1.

[0064] Example 8:

[0065] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0066] The connecting ring 11 has a groove 14, and the bottom of the cover 3 is fixedly provided with a protrusion 15 that matches the groove 14. The bottom of the groove 14 has several through holes 16, which pass through the connecting ring 11.

[0067] As can be seen in this embodiment, the connecting ring 11 has a groove 14, and the bottom of the cover 3 is fixedly provided with a protrusion 15 that matches the groove 14. When the cover 3 is connected to the control box 1, the protrusion 15 is embedded in the groove 14, which further enhances the stability of the connection. The bottom of the groove 14 has several through holes 16, which penetrate the connecting ring 11. Dust and other impurities in the groove 14 can be discharged through the through holes 16.

[0068] Example 9:

[0069] This embodiment provides a low-noise signal controller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0070] The control box 1 has ventilation slots on both sides, and filters 17 are installed on the ventilation slots.

[0071] As can be seen from this embodiment, ventilation slots are provided on both sides of the control box 1, and filters 17 are installed on the ventilation slots. The filters 17 can prevent dust and other impurities from entering the interior of the control box 1 and affecting the normal operation of the signal control board 2.

[0072] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A low noise signal controller, characterized by, include: Control box (1), wherein a signal control board (2) is provided inside the control box (1); The top of the control box (1) is fixedly provided with a cover (3); A sealing assembly is provided between the cover (3) and the control box (1); The top of the box cover (3) is fixedly connected to the sound-absorbing frame (4); An air outlet pipe (5) is provided inside the silencer frame (4), and a fan component (6) is provided inside the air outlet pipe (5).

2. A low noise signal controller according to claim 1, wherein, The air outlet pipe (5) includes: The steering part (7) has one end passing through the muffler frame (4) and communicating with the inside of the control box (1); The expanding section (8) is fixedly connected to one side of the turning section (7), and the other side of the expanding section (8) passes through the silencing frame (4). The fan component (6) is located inside the expanding section (8).

3. A low-noise signal controller according to claim 2, characterized in that, A baffle (9) is fixedly provided at the air outlet end of the gradually expanding section (8).

4. A low noise signal controller according to claim 3, wherein, The inner wall surfaces of the turning part (7) and the expanding part (8), as well as the side of the baffle (9) near the air outlet of the expanding part (8), are all provided with sound-absorbing cotton.

5. A low noise signal controller according to claim 3, wherein, Connecting plates (10) are fixedly provided on both sides of the shield (9). Threaded holes are provided on the connecting plates (10). The connecting plates (10) are connected to the expanding part (8) by bolts.

6. A low noise signal controller according to claim 1, wherein, The control box (1) has a connecting ring (11) fixedly connected to the outer periphery of the top. The box cover (3) is adapted to the connecting ring (11). Several fixing holes are opened through both sides of the box cover (3), and the fixing holes extend downward to the connecting ring (11). Fixing bolts are installed on the fixing holes.

7. A low noise signal controller according to claim 1, wherein, The top of the control box (1) is provided with a sealing groove (12), and a sealing ring (13) is provided in the sealing groove (12).

8. A low noise signal controller according to claim 6, wherein, The connecting ring (11) has a groove (14), and the bottom of the box cover (3) is fixedly provided with a protrusion (15) that matches the groove (14). The bottom of the groove (14) has several through holes (16) that pass through the connecting ring (11).

9. A low noise signal controller according to claim 1, wherein, The control box (1) has ventilation slots on both sides, and a filter screen (17) is installed on the ventilation slots.

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