CN218103088U - Low noise amplifier with protection function - Google Patents
Low noise amplifier with protection function Download PDFInfo
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- CN218103088U CN218103088U CN202222098868.2U CN202222098868U CN218103088U CN 218103088 U CN218103088 U CN 218103088U CN 202222098868 U CN202222098868 U CN 202222098868U CN 218103088 U CN218103088 U CN 218103088U
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Abstract
The utility model discloses a low noise amplifier with protect function, including protection casing, protection cap, inside bearing structure, amplifier main part, limit structure, buffer structure and heat radiation structure, the both sides of protection casing and front department all are open type design, the both sides department of protection casing all is provided with curb plate A, two semi-circular groove has all been seted up to curb plate A department, the protection cap is through a plurality of fastener fixed mounting in the front opening part of protection casing, the both sides department of protection cap all is provided with curb plate B, two semi-circular groove has all been seted up equally to curb plate B department, inside bearing structure installs in the inside of protection casing, amplifier main part movable mounting is in inside bearing structure department. The utility model discloses it is better to the ventilation cooling circulation cooling effect of amplifier main part, and efficiency is higher to effectually avoided the amplifier main part to damage because of inside high temperature trouble, then effectual its life that has prolonged.
Description
Technical Field
The utility model relates to an amplifier equipment field specifically is a low noise amplifier with protect function.
Background
The amplifier is a device capable of amplifying the voltage or power of input signal, and is composed of electronic tube or transistor, power supply transformer and other electric elements, and is used in various devices of communication, broadcasting, radar, TV and automatic control, etc., and the low-noise amplifier is an amplifier with very low noise coefficient, and is generally used as high-frequency or intermediate-frequency preamplifier of various radio receivers and amplifying circuit of high-sensitivity electronic detection equipment. Where a weak signal is to be amplified, the noise of the amplifier itself can be very disturbing to the signal, and it is therefore desirable to reduce this noise to improve the signal-to-noise ratio of the output.
Through the retrieval, grant the patent that publication number is CN212935853U, disclose a low noise amplifier with protect function, belong to electronic product technical field, including the amplifier body, still include fixed subassembly, amplitude subassembly, radiator unit, fall the subassembly and two fixed plates of making an uproar, two fixed plate intervals set up, amplitude subassembly fixed mounting is between two fixed plates, the fixed subassembly cover is established on the amplitude subassembly to set up the holding tank that supplies the amplifier body to place on the fixed subassembly, radiator unit fixed mounting is on the fixed subassembly, it installs in the amplifier originally internally to fall the subassembly of making an uproar.
However, the above patents have the following disadvantages:
although the amplifier has better protection effect and stability, the radiating assembly is single and simple, the radiating efficiency and the radiating effect of the amplifier are poor when the amplifier main body is subjected to radiating treatment by only two radiating fins, so that the amplifier main body is easy to break down and damage due to poor radiating effect, and the service life of the amplifier main body is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise amplifier with protect function to it though has better protection effect and stability to solve it of above-mentioned patent, however, its radiator unit is single and simple, singly leans on two fin to carry out the radiating treatment to the amplifier main part its radiating efficiency and the effect all relatively poor, thereby leads to the amplifier main part easily because the radiating effect is poor and break down the damage, has reduced its life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise amplifier with protect function, includes protection casing, protection cap, inside bearing structure, amplifier main part, limit structure, buffer structure and heat radiation structure, the both sides of protection casing and front department all are open type design, the both sides department of protection casing all is provided with curb plate A, two semicircular groove has all been seted up to curb plate A department, the protection cap is through a plurality of fastener fixed mounting in the front opening part of protection casing, the both sides department of protection cap all is provided with curb plate B, two semicircular groove has all been seted up equally to curb plate B department, inside bearing structure installs in the inside of protection casing, amplifier main part movable mounting is in inside bearing structure department, just the both sides department of amplifier main part all is provided with the interface end, the interface end passes the semicircular groove of curb plate A and curb plate B department, the both sides department of amplifier main part laminates the butt with two curb plate A respectively, the upper and lower surface department of amplifier main part all laminates and is provided with the sound absorption cotton, limit structure installs in back one side department of protection cap, just limit structure laminates with the amplifier main part, buffer structure installs in the upper and lower surface department of protection casing, and all seted up two heat radiation structure departments of mounting groove.
Preferably, the internal support structure comprises two support limiting frames, the two support limiting frames are in a shape of a Chinese character 'ao' of toppling over, the two support limiting frames are fixedly mounted on one side of the back face of the inside of the protection shell, and the amplifier main body is movably mounted in the inner parts of the two support limiting frames.
Preferably, the limiting structure comprises a rubber cushion block, the rubber cushion block is fixedly mounted at one side of the back face of the protection shell cover, and the rubber cushion block is abutted to the front face of the amplifier main body in a fit manner.
Preferably, the buffer structure comprises two groups of springs and buffer plates, the two groups of springs are fixedly installed at the upper surface and the lower surface of the protection shell respectively, and the two buffer plates are fixedly installed at the two groups of springs respectively.
Preferably, a telescopic supporting rod is arranged inside the spring.
Preferably, the heat radiation structure comprises a fan A, a fan B and two dust screens, wherein the fan A and the fan B are respectively installed in the two installation grooves, the wind directions of the fan A and the fan B face towards the lower side, and the number of the dust screens is two.
The utility model provides a low noise amplifier with protect function possesses following beneficial effect:
(1) The utility model discloses a be provided with inside bearing structure, limit structure and buffer structure for can effectually ensure to handle the spacing fixed mounting and the buffer protection of amplifier main part.
(2) The utility model discloses a be provided with heat radiation structure for at amplifier main part during operation, can be through fan A and fan B's work, continuously carry out the forced air cooling heat dissipation to the amplifier main part and handle, and two dust screens can play dustproof effect, effectual improvement to the radiating effect and the radiating efficiency of amplifier main part, make it be difficult for causing the fault damage because of inside high temperature, effectual its life that has prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a side view of the side plate A of the present invention;
FIG. 3 is a side view showing a structure of the support limiting frame according to the present invention;
fig. 4 is an enlarged schematic view of a point a in fig. 1.
In the figure: 1. a protective housing; 2. a protective shell cover; 3. an amplifier main body; 4. a side plate A; 5. a side plate B; 6. an interface end; 7. sound absorption cotton: 8. supporting a limiting frame: 9. rubber cushion block: 10. a spring: 11. a buffer plate: 12. flexible bracing piece: 13. a fan A; 14. a fan B; 15. a dust screen.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a low noise amplifier with protect function, is including protection casing 1, protection cap 2, inside bearing structure, amplifier main part 3, limit structure, buffer structure and heat radiation structure, the both sides of protection casing 1 and front department all are open type design, the both sides department of protection casing 1 all is provided with curb plate A4, two semicircular groove has all been seted up to curb plate A4 department, protection cap 2 is through a plurality of fasteners fixed mounting in the front opening part of protection casing 1, the both sides department of protection cap 2 all is provided with curb plate B5, two semicircular groove has all been seted up equally to curb plate B5 department, inside bearing structure installs in the inside of protection casing 1, amplifier main part 3 movable mounting is in inside bearing structure department, just the both sides department of amplifier main part 3 all is provided with interface end 6, interface end 6 passes the semicircular groove of curb plate A4 and curb plate B5 department, the both sides department of amplifier main part 3 respectively with two curb plate A4 laminating butts, the upper and lower surface department of amplifier main part 3 all laminates and is provided with inhales sound 7, limit structure installs in protection cap 2's one side department, just the back is with amplifier main part 3 and buffer structure laminating butt protection casing 1's surface protection structure, the upper and lower mounting groove is all runs through two protection casing 1's surface department.
The internal support structure includes that two support spacing 8, two support spacing 8 and all be the character cut in bas-relief that emptys, two support the equal fixed mounting of spacing 8 in inside back one side department of protection casing 1, 3 movable mounting of amplifier main part are in two inside of supporting spacing 8 for can support spacing 8 through two and install amplifier main part 3 unsettled in the inside of protection casing 1 in amplifier main part 3, so that follow-up ventilation cycle heat dissipation to amplifier main part 3 handles:
limit structure includes rubber cushion 9, 9 fixed mounting of rubber cushion are in back one side department of protection cap 2, just the laminating butt of the front department of rubber cushion 9 and amplifier main part 3 for can cooperate two through rubber cushion 9 and support spacing 8, carry out spacing butt installation fixed processing to amplifier main part 3:
buffer structure includes spring 10 and buffer board 11, spring 10 is provided with two sets ofly, and is two sets of spring 10 fixed mounting is in the upper and lower surface department of protection casing 1 respectively, two buffer board 11 fixed mounting is in two sets of spring 10 departments respectively for can come effectual avoidance amplifier main part 3 to receive great rigidity collision impact through spring 10 and buffer board 11, thereby protect amplifier main part 3:
the inside of spring 10 is provided with flexible bracing piece 12 for spring 10 is difficult to deform when the compression and damages:
the heat radiation structure includes fan A13, fan B14 and dust screen 15, fan A13 and fan B14 are installed respectively in two mounting grooves, just fan A13 and fan B14's wind direction all is towards in the below, dust screen 15 is provided with two, two dust screen 15 is installed respectively in two mounting grooves departments for at amplifier main part 3 during operation, fan A13 and fan B14 also work simultaneously, thereby carry out the air-cooled heat dissipation cooling processing that lasts to amplifier main part 3, then effectual improvement to amplifier main part 3's radiating effect and radiating efficiency, make it be difficult for causing the fault damage because of inside high temperature, effectual life that has prolonged.
The working principle is as follows: when using, can cooperate two to support spacing 8 through rubber cushion 9, carry out spacing butt installation fixed processing to amplifier main part 3, and can come effectual avoidance amplifier main part 3 to receive great rigidity collision impact through spring 10 and buffer board 11, thereby protect amplifier main part 3, and at amplifier main part 3 during operation, fan A13 and fan B14 also simultaneous working, thereby carry out the forced air cooling heat dissipation cooling that lasts to amplifier main part 3 and handle, effectual improvement is to the radiating effect and the radiating efficiency of amplifier main part 3 then, make it be difficult for causing the fault damage because of inside high temperature, its life has effectually been prolonged, and the practicality is higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a low noise amplifier with protect function, includes protection casing (1), protection cap (2), inside bearing structure, amplifier main part (3), limit structure, buffer structure and heat radiation structure, its characterized in that: both sides and the front of the protective shell (1) are in an open design, both sides of the protective shell (1) are provided with side plates A (4), both sides of the two side plates A (4) are provided with semicircular grooves, the protective shell cover (2) is fixedly arranged at the front opening of the protective shell (1) through a plurality of fasteners, two sides of the protective shell cover (2) are respectively provided with a side plate B (5), the two side plates B (5) are also respectively provided with a semicircular groove, the internal support structure is mounted in the interior of the protective housing (1), the amplifier body (3) is movably mounted at the internal support structure, and the two sides of the amplifier main body (3) are both provided with interface ends (6), the interface end (6) passes through the semicircular grooves at the side plate A (4) and the side plate B (5), the two sides of the amplifier main body (3) are respectively jointed and abutted with the two side plates A (4), the upper surface and the lower surface of the amplifier main body (3) are respectively provided with a sound absorption cotton (7) in an attaching way, the limiting structure is arranged at one side of the back surface of the protective shell cover (2), the limiting structure is abutted with the amplifier main body (3) in an attaching way, the buffer structure is arranged on the upper surface and the lower surface of the protective shell (1), the upper surface and the lower surface of the protection shell (1) are provided with through mounting grooves, and the heat dissipation structure is mounted at the two mounting grooves.
2. A low noise amplifier with protection function according to claim 1, characterized in that: the internal supporting structure comprises two supporting limiting frames (8) and two supporting limiting frames (8) which are in a shape of Chinese character 'ao' for dumping, the supporting limiting frames (8) are fixedly arranged on one side of the inner back of the protection shell (1), and the amplifier main body (3) is movably arranged in the two supporting limiting frames (8).
3. A low noise amplifier with protection function according to claim 1, characterized in that: the limiting structure comprises a rubber cushion block (9), the rubber cushion block (9) is fixedly installed at one side of the back face of the protection shell cover (2), and the rubber cushion block (9) is abutted to the front face of the amplifier main body (3) in a fit mode.
4. A low noise amplifier with protection function according to claim 1, characterized in that: the buffer structure comprises springs (10) and buffer plates (11), wherein the springs (10) are arranged in two groups, the springs (10) are fixedly arranged at the upper surface and the lower surface of the protective shell (1) respectively, and the buffer plates (11) are fixedly arranged at the two groups of springs (10) respectively.
5. The low noise amplifier with protection function according to claim 4, wherein: a telescopic supporting rod (12) is arranged in the spring (10).
6. A low noise amplifier with protection function according to claim 1, characterized in that: the heat radiation structure comprises a fan A (13), a fan B (14) and a dust screen (15), wherein the fan A (13) and the fan B (14) are respectively installed in two installation grooves, the wind direction of the fan A (13) and the wind direction of the fan B (14) are towards the lower side, the dust screen (15) is provided with two dust screens (15) which are respectively installed at the two installation grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222098868.2U CN218103088U (en) | 2022-08-10 | 2022-08-10 | Low noise amplifier with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222098868.2U CN218103088U (en) | 2022-08-10 | 2022-08-10 | Low noise amplifier with protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218103088U true CN218103088U (en) | 2022-12-20 |
Family
ID=84486956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222098868.2U Active CN218103088U (en) | 2022-08-10 | 2022-08-10 | Low noise amplifier with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218103088U (en) |
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2022
- 2022-08-10 CN CN202222098868.2U patent/CN218103088U/en active Active
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