Low noise amplifier

By introducing protection and sound insulation components into low-noise amplifiers, combined with buffering and balance mechanisms, the problem of poor protection and sound insulation effects in the prior art is solved, the signal reception quality and impact resistance are improved, and the equipment life is extended.

CN222192815UActive Publication Date: 2024-12-17QINGDAO HUIHONG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420702551.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2024-12-17
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

In actual use, existing low-noise amplifiers have poor protection and poor sound insulation, which can affect the signal reception effect and be easily damaged by external impact.

Method used

A low-noise amplifier structure including protective components, sound insulation components, buffer components, balance components, stability components and cooperative components is designed to seal and sound insulation through protective shells and sound insulation layers, and use buffer plates, sliding cylinders, buffer springs, and balanced Components such as springs and stabilizing springs cushion external impacts.

Benefits of technology

It effectively improves the sound insulation effect of the low-noise amplifier, reduces external noise interference, enhances the equipment's impact resistance and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-noise amplifier, which belongs to the technical field of low-noise amplifiers and comprises a low-noise amplifier body, a protection component is arranged on one side of the low-noise amplifier body, a sound insulation component is arranged in the protection component, a buffer component is arranged in the protection component, and the buffer component is arranged on the other side of the low-noise amplifier body. By arranging the protection assembly and the sound insulation assembly, during use, an insertion buckle of a first protection shell is inserted into a fixing clamping groove of a second protection shell for fixing, and the sound insulation assembly is arranged in the second protection shell; then the first protective shell and the second protective shell are mutually clamped and closed to protect the low-noise amplifier body, and meanwhile, sound insulation layers in the first protective shell and the second protective shell can seal and insulate sound for the low-noise amplifier body, so that the efficiency of receiving external noise by the low-noise amplifier body is improved; and meanwhile, the low-noise amplifier is convenient to install.
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Description

Technical Field

[0001] The utility model relates to the technical field of low noise amplifiers, in particular to a low noise amplifier. Background Art

[0002] Low noise amplifier, an amplifier with a very low noise figure, is generally used as a high-frequency or intermediate-frequency preamplifier for various types of radio receivers, as well as an amplification circuit for highly sensitive electronic detection equipment. When amplifying weak signals, the noise of the amplifier itself may seriously interfere with the signal, so it is hoped to reduce this noise to improve the output signal-to-noise ratio.

[0003] The existing low noise amplifier is to set various obstacle avoidance components in the amplifier unit, which makes the connection structure of the amplifier unit complex, and the components are laid out more, which is not conducive to heat dissipation, affecting data reception and module service life;

[0004] The existing patent (Announcement No.: CN205490427U) is a low-noise amplifier module. This utility model can achieve good input standing wave ratio performance when the input signal passes through the input isolator. Then the input signal is amplified by the front-stage low-noise amplifier and the second-stage low-noise amplifier, and then the out-of-band signal and the stray signal are suppressed by the surface acoustic filter. At the same time, the collector will partially collect the suppressed out-of-band signal and stray signal, and then the extractor extracts a small amount of high-quality signal from the collected part of the out-of-band signal and the stray signal, thereby improving the processing effect of the stray signal, improving the efficiency of receiving data information, and ensuring that part of the data information is not lost; the input signal after the three-stage low-noise amplifier is then passed through the multi-stage attenuator to achieve the effect of adjustable gain; and a part of the input signal after amplification by the four-stage low-noise amplifier is given to the detector to realize output power detection, and the main signal is output through the output isolator; wherein, the lightning arrester is arranged on the module substrate to reduce the laying of the internal line of the amplifier unit, and the setting of the radiator is conducive to the heat dissipation of the device, further improving the data receiving efficiency while also extending the service life.

[0005] In view of the above problems, existing patents have provided solutions, but in actual use, the protection effect on the low-noise amplifier is poor. The poor sound insulation effect of the low-noise amplifier itself will affect the signal reception effect of the low-noise amplifier, and it is easy to be damaged when subjected to external impact.

[0006] To this end, a low noise amplifier is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a low-noise amplifier, which can solve the problems that the existing low-noise amplifier has poor protection effect on the low-noise amplifier during actual use, poor sound insulation effect of the low-noise amplifier itself, which affects the signal receiving effect of the low-noise amplifier, and is easily damaged when subjected to external impact.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-noise amplifier, comprising a low-noise amplifier body, a protective component is arranged on one side of the low-noise amplifier body, a sound insulation component is arranged inside the protective component, a buffer component is arranged inside the protective component, a balancing component is arranged inside the buffer component, a stabilizing component is arranged inside the buffer component, and a cooperative component is arranged inside the stabilizing component;

[0009] The protective assembly includes a first protective shell, a second protective shell, an insertion buckle and a fixed slot. The first protective shell is arranged on one side of the low-noise amplifier body, and the second protective shell is arranged on the other side of the low-noise amplifier body. Multiple insertion buckles are fixedly connected to one side of the first protective shell, and multiple fixed slots are fixedly connected to one side of the second protective shell and used in conjunction with the insertion buckles.

[0010] Preferably, the sound insulation component includes a sound insulation groove and a sound insulation layer, the sound insulation groove is opened inside the first protective shell and the second protective shell, the sound insulation layer is arranged inside the sound insulation groove, and the sound insulation layer is made of sound insulation cotton.

[0011] Preferably, the buffer assembly includes a buffer groove, a buffer plate, a sliding cylinder, a sliding column and a buffer spring, the two buffer grooves are respectively opened on one side of the first protective shell and the second protective shell, the buffer plate is slidably connected to the inside of the buffer groove, the sliding cylinder is fixedly connected to the inside of the buffer groove, one end of the sliding column is fixedly connected to one side of the buffer plate and the other end is slidably connected to the inside of the sliding cylinder, and the buffer spring is arranged between the buffer plate and the buffer groove and is used in conjunction with the buffer plate.

[0012] Preferably, the balancing assembly includes a balancing cylinder and a balancing column, the two balancing cylinders are fixedly connected to the inside of the buffer groove, and one end of the two balancing columns is fixedly connected to one side of the buffer plate and the other end is slidably connected to the inside of the balancing cylinder.

[0013] Preferably, the stabilizing assembly comprises a stabilizing groove and a stabilizing cylinder, the stabilizing groove is opened on one side of the sliding column, and the stabilizing cylinder is fixedly connected to the inside of the sliding cylinder and slidably connected to the inside of the stabilizing groove.

[0014] Preferably, the cooperative component includes a cooperative groove, a cooperative rod and a cooperative spring, the cooperative groove is opened on one side of the stabilizing cylinder, the cooperative rod is fixedly connected to the inside of the stabilizing groove and slidably connected to the inside of the cooperative groove, and the cooperative spring is arranged inside the cooperative groove and used in conjunction with the cooperative rod.

[0015] Preferably, a stabilizing spring is disposed inside the stabilizing groove, and the stabilizing spring is used in conjunction with the stabilizing tube, and the material of the stabilizing spring is spring steel.

[0016] Preferably, a balancing spring is arranged inside the balancing cylinder, and the balancing spring is used in conjunction with the balancing column, and the material of the balancing spring is spring steel.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The present application is provided with a protective component and a sound insulation component. When in use, the insertion buckle of the first protective shell is inserted into the fixing slot of the second protective shell to fix it, and then the first protective shell and the second protective shell are snapped together and closed to protect the low-noise amplifier body. At the same time, the sound insulation layer inside the first protective shell and the second protective shell can seal and soundproof the low-noise amplifier body, improve the efficiency of the low-noise amplifier body in receiving external noise, so that the low-noise amplifier body can be protected and soundproofed, and the installation is convenient.

[0019] 2. The present application is provided with a buffer component, a balance component, a stabilizing component, a cooperative component, a stabilizing spring and a balancing spring. When the low noise amplifier body is subjected to an external impact and causes the low noise amplifier body to shake inside the first protective shell and the second protective shell during use, the buffer plate will be squeezed, so that the buffer plate slides inside the buffer groove, drives the sliding column to slide inside the sliding cylinder and squeezes the buffer spring, drives the balancing column to slide inside the balancing cylinder and squeezes the balancing spring, drives the stabilizing column to slide inside the stabilizing groove and squeezes the stabilizing spring, drives the cooperative rod to slide inside the cooperative groove and squeeze the cooperative spring, so that the buffer spring, the balancing spring, the stabilizing spring and the cooperative spring will all apply a rebound force to the external impact force, thereby preventing the outside of the first protective shell and the second protective shell from being deformed and buffering the impact force on the low noise amplifier body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structural view of the utility model;

[0022] Figure 2 It is a right side view of the utility model;

[0023] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-section three-dimensional structure at AA in the middle;

[0024] Figure 4 for Figure 3 Schematic diagram of the local structure;

[0025] Figure 5 This is a schematic diagram of the protective component structure of the utility model.

[0026] Description of reference numerals:

[0027] 1. Low noise amplifier body; 2. Protection component; 3. Sound insulation component; 4. Buffer component; 5. Balance component; 6. Stabilization component; 7. Cooperative component; 201. First protective shell; 202. Second protective shell; 203. Insert buckle; 204. Fixed slot; 301. Sound insulation slot; 302. Sound insulation layer; 401. Buffer slot; 402. Buffer plate; 403. Sliding cylinder; 404. Sliding column; 405. Buffer spring; 501. Balance cylinder; 502. Balance column; 601. Stabilization slot; 602. Stabilization cylinder; 701. Cooperative slot; 702. Cooperative rod; 703. Cooperative spring; 8. Stabilization spring; 9. Balance spring. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figures 1 to 5 , the utility model provides a technical solution:

[0030] A low noise amplifier comprises a low noise amplifier body 1, a protection component 2 is arranged on one side of the low noise amplifier body 1, a sound insulation component 3 is arranged inside the protection component 2, a buffer component 4 is arranged inside the protection component 2, a balance component 5 is arranged inside the buffer component 4, a stabilizing component 6 is arranged inside the buffer component 4, and a coordination component 7 is arranged inside the stabilizing component 6;

[0031] The protective component 2 includes a first protective shell 201, a second protective shell 202, an insertion buckle 203 and a fixed slot 204. The first protective shell 201 is arranged on one side of the low-noise amplifier body 1, and the second protective shell 202 is arranged on the other side of the low-noise amplifier body 1. Multiple insertion buckles 203 are fixedly connected to one side of the first protective shell 201, and multiple fixed slots 204 are fixedly connected to one side of the second protective shell 202 and used in conjunction with the insertion buckles 203.

[0032] Specifically, Figure 4 As shown, the sound insulation component 3 includes a sound insulation groove 301 and a sound insulation layer 302. The sound insulation groove 301 is opened inside the first protective shell 201 and the second protective shell 202. The sound insulation layer 302 is arranged inside the sound insulation groove 301. The material of the sound insulation layer 302 is sound insulation cotton.

[0033] When in use, the insertion buckle 203 of the first protective shell 201 is inserted into the fixing slot 204 of the second protective shell 202 for fixing, and then the first protective shell 201 and the second protective shell 202 are snapped together and closed to protect the low noise amplifier body 1. At the same time, the sound insulation layer 302 inside the first protective shell 201 and the second protective shell 202 can seal and soundproof the low noise amplifier body 1, improve the efficiency of the low noise amplifier body 1 in receiving external noise, so that the low noise amplifier body 1 can be protected and soundproofed, and the installation is convenient.

[0034] Specifically, Figure 4 As shown, the buffer assembly 4 includes a buffer groove 401, a buffer plate 402, a sliding cylinder 403, a sliding column 404 and a buffer spring 405. The two buffer grooves 401 are respectively opened on one side of the first protective shell 201 and the second protective shell 202. The buffer plate 402 is slidably connected to the inside of the buffer groove 401, the sliding cylinder 403 is fixedly connected to the inside of the buffer groove 401, one end of the sliding column 404 is fixedly connected to one side of the buffer plate 402 and the other end is slidably connected to the inside of the sliding cylinder 403, and the buffer spring 405 is arranged between the buffer plate 402 and the buffer groove 401 and is used in conjunction with the buffer plate 402.

[0035] Specifically, Figure 4 As shown, the balancing assembly 5 includes a balancing cylinder 501 and a balancing column 502 . The two balancing cylinders 501 are fixedly connected to the inside of the buffer groove 401 . One end of the two balancing columns 502 is fixedly connected to one side of the buffer plate 402 and the other end is slidably connected to the inside of the balancing cylinder 501 .

[0036] Specifically, Figure 4 As shown, the stabilizing assembly 6 includes a stabilizing groove 601 and a stabilizing cylinder 602 . The stabilizing groove 601 is opened on one side of the sliding column 404 . The stabilizing cylinder 602 is fixedly connected to the inside of the sliding cylinder 403 and slidably connected to the inside of the stabilizing groove 601 .

[0037] Specifically, Figure 4 As shown, the cooperative component 7 includes a cooperative groove 701, a cooperative rod 702 and a cooperative spring 703. The cooperative groove 701 is opened on one side of the stabilizing cylinder 602, the cooperative rod 702 is fixedly connected to the inside of the stabilizing groove 601 and slidably connected to the inside of the cooperative groove 701, and the cooperative spring 703 is arranged inside the cooperative groove 701 and used in conjunction with the cooperative rod 702.

[0038] Specifically, Figure 4 As shown, a stabilizing spring 8 is disposed inside the stabilizing groove 601 . The stabilizing spring 8 is used in conjunction with the stabilizing cylinder 602 . The material of the stabilizing spring 8 is spring steel.

[0039] Specifically, Figure 4 As shown, a balancing spring 9 is disposed inside the balancing cylinder 501 . The balancing spring 9 is used in conjunction with the balancing column 502 . The balancing spring 9 is made of spring steel.

[0040] During use, when the low noise amplifier body 1 is subjected to external impact, causing the low noise amplifier body 1 to shake inside the first protective shell 201 and the second protective shell 202, the buffer plate 402 will be squeezed, so that the buffer plate 402 slides inside the buffer groove 401, driving the sliding column 404 to slide inside the sliding cylinder 403 and squeeze the buffer spring 405, driving the balance column 502 to slide inside the balance cylinder 501 and squeeze the balance spring 9, driving the stabilizing column to slide inside the stabilizing groove 601 and squeeze the stabilizing spring 8, and driving the cooperative rod 702 to slide inside the cooperative groove 701 and squeeze the cooperative spring 703, so that the buffer spring 405, the balancing spring 9, the stabilizing spring 8 and the cooperative spring 703 will all apply a rebound force to the external impact force, so as to prevent the first protective shell 201 and the second protective shell 202 from being deformed and buffer the impact force on the low noise amplifier body 1.

[0041] By adopting the above technical solution, the problems that the existing low-noise amplifier has poor protection effect on the low-noise amplifier during actual use, the low-noise amplifier itself has poor sound insulation effect which affects the signal receiving effect of the low-noise amplifier, and the low-noise amplifier is easily damaged when subjected to external impact are solved.

[0042] Working principle: When the present application is used, the insertion buckle 203 of the first protective shell 201 is first inserted into the fixing slot 204 of the second protective shell 202 for fixing, and then the first protective shell 201 and the second protective shell 202 are mutually clamped and closed to protect the low noise amplifier body 1. At the same time, the sound insulation layer 302 inside the first protective shell 201 and the second protective shell 202 can seal and soundproof the low noise amplifier body 1, thereby improving the efficiency of the low noise amplifier body 1 in receiving external noise, so that the low noise amplifier body 1 can be protected and soundproofed, and the installation is convenient. When the low noise amplifier body 1 is subjected to external impact and causes the low noise amplifier body 1 to shake inside the first protective shell 201 and the second protective shell 202, the low noise amplifier body 1 can be sealed and soundproofed. When moving, the buffer plate 402 will be squeezed, so that the buffer plate 402 slides inside the buffer groove 401, driving the sliding column 404 to slide inside the sliding cylinder 403 and squeeze the buffer spring 405, driving the balance column 502 to slide inside the balance cylinder 501 and squeeze the balance spring 9, driving the stabilizing column to slide inside the stabilizing groove 601 and squeeze the stabilizing spring 8, and driving the cooperative rod 702 to slide inside the cooperative groove 701 and squeeze the cooperative spring 703, so that the buffer spring 405, the balance spring 9, the stabilizing spring 8 and the cooperative spring 703 will all apply a rebound force to the external impact force, so as to prevent the first protective shell 201 and the second protective shell 202 from being deformed and buffer the impact force received by the low noise amplifier body 1.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A low noise amplifier, comprising a low noise amplifier body (1), characterized in that: A protection component (2) is provided on one side of the low-noise amplifier body (1); a sound insulation component (3) is provided inside the protection component (2); a buffer component (4) is provided inside the protection component (2); a balance component (5) is provided inside the buffer component (4); a stabilization component (6) is provided inside the buffer component (4); and a coordination component (7) is provided inside the stabilization component (6); The protective component (2) comprises a first protective shell (201), a second protective shell (202), an insertion buckle (203) and a fixed card slot (204); the first protective shell (201) is arranged on one side of the low-noise amplifier body (1); the second protective shell (202) is arranged on the other side of the low-noise amplifier body (1); a plurality of the insertion buckles (203) are fixedly connected to one side of the first protective shell (201); and a plurality of the fixed card slots (204) are fixedly connected to one side of the second protective shell (202) and are used in conjunction with the insertion buckles (203).

2. The low noise amplifier according to claim 1, characterized in that: The sound insulation component (3) comprises a sound insulation groove (301) and a sound insulation layer (302); the sound insulation groove (301) is opened inside the first protective shell (201) and the second protective shell (202); the sound insulation layer (302) is arranged inside the sound insulation groove (301); and the material of the sound insulation layer (302) is sound insulation cotton.

3. The low noise amplifier according to claim 1, characterized in that: The buffer assembly (4) comprises a buffer groove (401), a buffer plate (402), a sliding cylinder (403), a sliding column (404) and a buffer spring (405); the two buffer grooves (401) are respectively opened on one side of the first protective shell (201) and the second protective shell (202); the buffer plate (402) is slidably connected to the inside of the buffer groove (401); the sliding cylinder (403) is fixedly connected to the inside of the buffer groove (401); one end of the sliding column (404) is fixedly connected to one side of the buffer plate (402) and the other end is slidably connected to the inside of the sliding cylinder (403); the buffer spring (405) is arranged between the buffer plate (402) and the buffer groove (401) and is used in conjunction with the buffer plate (402).

4. The low noise amplifier according to claim 3, characterized in that: The balancing assembly (5) comprises a balancing cylinder (501) and a balancing column (502), wherein the two balancing cylinders (501) are fixedly connected to the inside of the buffer groove (401), and one end of the two balancing columns (502) is fixedly connected to one side of the buffer plate (402) and the other end is slidably connected to the inside of the balancing cylinder (501).

5. The low noise amplifier according to claim 3, characterized in that: The stabilizing assembly (6) comprises a stabilizing groove (601) and a stabilizing cylinder (602), wherein the stabilizing groove (601) is opened on one side of the sliding column (404), and the stabilizing cylinder (602) is fixedly connected to the inside of the sliding cylinder (403) and slidably connected to the inside of the stabilizing groove (601).

6. The low noise amplifier according to claim 5, characterized in that: The cooperative component (7) includes a cooperative groove (701), a cooperative rod (702) and a cooperative spring (703); the cooperative groove (701) is opened on one side of the stabilizing cylinder (602); the cooperative rod (702) is fixedly connected to the inside of the stabilizing groove (601) and slidably connected to the inside of the cooperative groove (701); the cooperative spring (703) is arranged inside the cooperative groove (701) and used in conjunction with the cooperative rod (702).

7. The low noise amplifier according to claim 5, characterized in that: A stabilizing spring (8) is arranged inside the stabilizing groove (601), and the stabilizing spring (8) is used in conjunction with the stabilizing cylinder (602). The material of the stabilizing spring (8) is spring steel.

8. The low noise amplifier according to claim 4, characterized in that: A balancing spring (9) is arranged inside the balancing cylinder (501), and the balancing spring (9) is used in conjunction with the balancing column (502). The material of the balancing spring (9) is spring steel.