Portable foldable low noise amplifier

Abstract

The utility model relates to the field of low-noise amplifiers, in particular to a portable foldable low-noise amplifier which comprises a low-noise amplifier body, a supporting seat is fixedly installed at the lower end of the low-noise amplifier body, a heat dissipation cavity is formed in the supporting seat, and a supporting rod is fixedly installed on the side of the interior of the heat dissipation cavity. A heat exchange thin plate is fixedly mounted at the upper end of the supporting rod, heat dissipation fins are fixedly mounted at the lower end of the heat exchange thin plate, a ventilation pipe groove is fixedly formed in the rear side of the interior of the heat dissipation cavity, and a heat dissipation fan is fixedly mounted on the rear side of the interior of the ventilation pipe groove; by utilizing the characteristic that the heat conduction capability of the heat exchange sheet material is stronger, the heat exchange performance is improved, rapid heat conduction and heat exchange are carried out, the heat dissipation area of the heat exchange sheet is further expanded by matching with the heat dissipation fins, and heat on the surface of the heat conduction and heat exchange structure is taken away through the heat dissipation fan, so that the heat conduction and heat exchange structure can continuously and efficiently absorb heat; and the overall heat dissipation efficiency of the equipment can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to low noise amplifier field especially relates to portable foldable low noise amplifier. BACKGROUND

[0002] Low noise amplifier is a kind of amplifier with very low noise figure, mainly used in the high frequency or intermediate frequency preamplifier of various radio receivers and the amplification circuit of high-sensitivity electronic detection equipment, in the occasion of amplifying weak signal, the noise of amplifier itself to signal interference can be very serious, therefore low noise amplifier is designed to reduce this noise, to improve the signal-to-noise ratio of output.

[0003] For example patent number (CN219660264U), disclose dual-frequency low noise amplifier, specifically related to amplifier technical field, including dual-frequency amplifier ontology, the rear end of the dual-frequency amplifier ontology is equipped with the heat dissipation assembly for heat dissipation;The rear end of the heat dissipation assembly is equipped with the protection assembly for guiding heat dissipation;The protection assembly includes heat conduction plate, the heat conduction plate is equipped with the installation hole in the inside, the installation hole is equipped with motor in the inside, the heat conduction plate both ends are equipped with a plurality of flow guide holes in the inside, a plurality of flow guide holes are evenly distributed, the utility model discloses a heat conduction plate can avoid hot gas and motor contact, avoid a large number of hot gas and motor contact and affect the use stability of motor, and the flow of hot gas can be pumped to the outside the heat absorbed on the heat conduction plate when the motor runs, improve the heat dissipation effect of motor.

[0004] At present, low noise amplifier usually needs heat dissipation cooperation work when using, and the heat dissipation surface between single general heat dissipation structure and equipment main body is small, and the heat exchange performance is low, which is not conducive to improving the heat dissipation efficiency of the whole equipment.

[0005] Therefore, for the above-mentioned heat dissipation structure and the heat dissipation surface between the equipment main body is small, and the heat exchange performance is low, which is not conducive to improving the heat dissipation efficiency of the whole equipment, a low noise amplifier with expanded heat dissipation structure heat exchange area can be designed. UTILITY MODEL CONTENTS

[0006] In order to overcome the problem of low noise amplifier heat dissipation structure and the heat exchange surface between the equipment main body is small, and the heat exchange rate is low, which is not conducive to improving the heat dissipation efficiency of the whole equipment.

[0007] The utility model discloses a portable foldable low noise amplifier, including low noise amplifier body, the lower end fixed mounting of low noise amplifier body has the support seat, the inside of support seat is provided with the heat dissipation cavity, the side fixed mounting of heat dissipation cavity inside has the support rod, the upper end fixed mounting of support rod has the heat exchange sheet, the lower end fixed mounting of heat exchange sheet has the heat dissipation fin, the rear side fixed mounting of heat dissipation cavity inside has the ventilation pipe groove, the rear side fixed mounting of ventilation pipe groove inside has the heat dissipation fan, and the left and right sides of support seat lower end all are provided with the clamping groove, and the inside of clamping groove is provided with the support frame, and the front and back of clamping groove inside all are provided with the movable slot, and the inside fixed mounting of movable slot has the return spring, and the fixed mounting of return spring has the clamping ball.

[0008] Preferably, the heat exchange sheet can be attached to the heat-emitting surface of the low noise amplifier body, converting the general heat exchange between the heat-emitting surface and air into heat exchange between the heat-emitting surface and the heat-conducting material, improving the heat exchange performance and conducting heat quickly, the heat dissipation fin can further expand the heat dissipation area of the heat exchange sheet, the heat dissipation fan can drive air flow, conveniently taking away the heat on the surface of the heat-conducting and heat-exchanging structure, so that the heat-conducting and heat-exchanging structure can continuously and efficiently absorb heat, the support frame can support the equipment body, the return spring can drive the clamping ball to move to the outside of the movable slot and abut against the side of the support frame, conveniently keeping the support frame in the supporting state, the clamping groove can accommodate the folded support frame, using the magnetic block to adsorb the metal sheet, conveniently keeping the support frame in the folded and accommodated state, reducing the size of the equipment and the occupied space.

[0009] Preferably, the support rods are distributed at equal intervals, and the upper end of the heat exchange sheet is attached to the low noise amplifier body.

[0010] Preferably, a protective mesh plate is fixedly installed on the front side of the heat dissipation cavity, and the same protective mesh plate is fixedly installed on the rear side of the heat dissipation fan in the ventilation pipe groove.

[0011] Preferably, the heat dissipation fins are distributed at equal intervals, and a connecting through hole is formed in the front end of the ventilation pipe groove, and the connecting through holes are distributed at equal intervals.

[0012] Preferably, the clamping groove and the support frame are rotationally connected, the clamping groove and the support frame are both designed in a U-shaped structure, a non-slip pad is fixedly installed at the lower end of the support frame, and the non-slip pad is made of wear-resistant rubber material.

[0013] Preferably, a magnetic block is fixedly installed on the side of the clamping groove at the lower end of the support seat, a metal sheet is fixedly installed on the inner side of the support frame, and the metal sheet and the magnetic block are adapted to each other.

[0014] Preferably, the clamping ball and the movable slot are slidingly connected, and the side of the clamping ball away from the return spring extends to the outside of the movable slot and is adapted to the support frame.

[0015] The utility model has the advantages that:

[0016] The portable foldable low-noise amplifier utilizes the heat exchange sheet material with strong heat conduction capacity to improve the heat exchange performance, quickly conducts and exchanges heat, further expands the heat dissipation area of the heat exchange sheet through the heat dissipation fins, removes the heat on the surface of the heat conduction and exchange structure through the heat dissipation fan, so that the heat conduction and exchange structure can continuously and efficiently absorb heat, which is beneficial to improve the overall heat dissipation efficiency of the equipment, supports the main body through the support frame, supports the side of the support frame, conveniently supports the support frame to maintain the support form, and when the low-noise amplifier needs to be carried and transferred, the support frame is clamped into the clamping groove, the metal sheet is adsorbed through the magnetic block, the support frame is conveniently maintained in the folded storage state, the volume and occupied space of the equipment are reduced, and the convenience of carrying and transferring the low-noise amplifier is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The portable foldable low-noise amplifier of the utility model is shown in the three-dimensional structure schematic diagram Figure 1 ;

[0018] Figure 2 The heat exchange sheet of the utility model is shown in the three-dimensional structure schematic diagram

[0019] Figure 3 The heat dissipation cavity of the utility model is shown in the three-dimensional structure schematic diagram

[0020] Figure 4 The portable foldable low-noise amplifier of the utility model is shown in the three-dimensional structure schematic diagram Figure 2 ;

[0021] Figure 5 The portable foldable low-noise amplifier of the utility model is shown in the three-dimensional structure schematic diagram Figure 4 of A is shown in the three-dimensional structure schematic diagram.

[0022] The reference signs are explained as follows: 1, low-noise amplifier body; 2, support seat; 3, heat dissipation cavity; 4, support rod; 5, heat exchange sheet; 6, heat dissipation fin; 7, ventilation pipe slot; 8, heat dissipation fan; 9, clamping groove; 10, support frame; 11, movable slot; 12, reset spring; 13, clamping ball; 14, protective net plate; 15, connecting through hole; 16, anti-skid pad; 17, magnetic block; 18, metal sheet. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with the drawings and examples.

[0024] Please refer to Figures 1-5The utility model provides a kind of embodiment: portable foldable low noise amplifier, including low noise amplifier body 1, the lower end of low noise amplifier body 1 is fixedly installed with support seat 2, support seat 2 is internally provided with heat dissipation cavity 3, the side of heat dissipation cavity 3 inside is fixedly installed with support rod 4, the upper end of support rod 4 is fixedly installed with heat exchange sheet 5, the lower end of heat exchange sheet 5 is fixedly installed with heat dissipation fin 6, the rear side of heat dissipation cavity 3 inside is fixedly installed with vent pipe groove 7, the rear side of vent pipe groove 7 inside is fixedly installed with heat dissipation fan 8, the left and right sides of support seat 2 lower end are all provided with clamping groove 9, clamping groove 9 is provided with support frame 10 inside, the front and rear sides of clamping groove 9 inside are all provided with movable slot 11, movable slot 11 is fixedly installed with reset spring 12 inside, reset spring 12 is fixedly installed with clamping ball 13 on.

[0025] Please refer to Figures 1-3 In the embodiment, support rod 4 is equidistantly distributed, the upper end of heat exchange sheet 5 is connected with low noise amplifier body 1, the front side of heat dissipation cavity 3 inside is fixedly installed with protective net board 14, the rear side of heat dissipation fan 8 inside vent pipe groove 7 is fixedly installed with same protective net board 14, heat dissipation fin 6 is equidistantly distributed, the front end of vent pipe groove 7 is provided with connecting through hole 15, connecting through hole 15 is equidistantly distributed, heat exchange sheet 5 is connected with the heating surface of low noise amplifier body 1, the heat exchange between general heating surface and air is changed into the heat exchange between heating surface and heat conducting material, the heat exchange performance is improved by using the characteristics that heat exchange sheet 5 material has strong heat conducting capacity, fast heat conducting heat exchange is carried out, heat exchange sheet 5 heat dissipation area is further expanded by cooperating with heat dissipation fin 6, air flow is driven by heat dissipation fan 8, heat on the surface of heat conducting heat exchange structure is conveniently taken away, so that heat conducting heat exchange structure can continuously and efficiently absorb heat, which is beneficial to improve the overall heat dissipation efficiency of equipment.

[0026] Please refer to Figure 1 、 Figure 4 and Figure 5In the embodiment, the clamping groove 9 is rotatably connected with the support frame 10, the clamping groove 9 and the support frame 10 are both designed in U-shaped structure, the lower end of the support frame 10 is fixedly installed with the anti-skid pad 16 made of wear-resistant rubber material, the lower end of the support seat 2 is fixedly installed with the magnetic block 17 on the side of the clamping groove 9, the inner side of the support frame 10 is fixedly installed with the metal sheet 18, the metal sheet 18 is matched with the magnetic block 17, the clamping ball 13 is slidably connected with the movable groove 11, the side of the clamping ball 13 away from the return spring 12 extends to the outer side of the movable groove 11 and is matched with the support frame 10, when the low-noise amplifier is used, the support frame 10 supports the main body, the return spring 12 drives the clamping ball 13 to move to the outer side of the movable groove 11 and abuts against the side of the support frame 10, so that the support frame 10 can be kept in the supporting state, when the low-noise amplifier needs to be carried and transferred, the support frame 10 is rotated inward, the clamping ball 13 is squeezed into the movable groove 11, and the support frame 10 is clamped into the clamping groove 9, the magnetic block 17 is used to attract the metal sheet 18, so that the support frame 10 can be kept in the folded storage state, the volume of the equipment and the occupied space are reduced, and the convenience of carrying and transferring the low-noise amplifier is improved.

[0027] When working, the heat exchange sheet 5 is attached to the heating surface of the low-noise amplifier body 1, the heat exchange sheet 5 is used to change the heat exchange mode from the general heat exchange between the heating surface and air to the heat exchange between the heating surface and the heat-conducting material, the heat exchange performance is improved by using the strong heat-conducting property of the heat exchange sheet 5, the heat exchange sheet 5 is quickly heat-conducted and heat-exchanged, the heat dissipation fins 6 are used to further expand the heat dissipation area of the heat exchange sheet 5, the air is driven to flow by the heat dissipation fan 8, the heat on the surface of the heat-conducting and heat-exchanging structure is conveniently taken away, the heat-conducting and heat-exchanging structure can continuously and efficiently absorb heat, when the low-noise amplifier is used, the support frame 10 supports the main body of the equipment, the return spring 12 drives the clamping ball 13 to move to the outer side of the movable groove 11 and abut against the side of the support frame 10, so that the support frame 10 can be kept in the supporting state, when the low-noise amplifier needs to be carried and transferred, the support frame 10 is rotated inward, the clamping ball 13 is squeezed into the movable groove 11, and the support frame 10 is clamped into the clamping groove 9, the magnetic block 17 is used to attract the metal sheet 18, so that the support frame 10 can be kept in the folded storage state, the volume of the equipment and the occupied space are reduced.

[0028] Through the above steps, the heat exchange sheet 5 is attached to the heating surface of the low-noise amplifier body 1, the heat exchange performance is improved, the heat exchange sheet 5 is quickly heat-conducted and heat-exchanged, the heat dissipation fins 6 are used to expand the heat dissipation area, the air on the surface of the heat-conducting and heat-exchanging structure is taken away by the heat dissipation fan 8, and the heat-conducting and heat-exchanging structure can continuously and efficiently absorb heat, so as to solve the problem that the heat dissipation surface between the heat dissipation structure of the low-noise amplifier and the main body of the equipment is small, the heat exchange performance is low, and the heat dissipation efficiency of the whole equipment is not improved.

Claims

1. A portable, foldable low-noise amplifier, comprising a low-noise amplifier body (1), characterized in that: A support base (2) is fixedly installed at the lower end of the low noise amplifier body (1). A heat dissipation cavity (3) is opened inside the support base (2). A support rod (4) is fixedly installed on the side inside the heat dissipation cavity (3). A heat exchange plate (5) is fixedly installed at the upper end of the support rod (4). A heat dissipation fin (6) is fixedly installed at the lower end of the heat exchange plate (5). A ventilation duct (7) is fixedly installed on the rear side inside the heat dissipation cavity (3). A heat dissipation fan (8) is fixedly installed on the rear side inside the ventilation duct (7). A locking groove (9) is opened on both the left and right sides at the lower end of the support base (2). A support frame (10) is set inside the locking groove (9). A movable groove (11) is opened on both the front and rear sides inside the locking groove (9). A reset spring (12) is fixedly installed inside the movable groove (11). A locking ball (13) is fixedly installed on the reset spring (12).

2. The portable, foldable, low-noise amplifier according to claim 1, characterized in that: The support rods (4) are evenly spaced, and the upper end of the heat exchange plate (5) is attached to the low noise amplifier body (1).

3. The portable, foldable, low-noise amplifier according to claim 1, characterized in that: A protective mesh plate (14) is fixedly installed on the front side inside the heat dissipation cavity (3), and the same protective mesh plate (14) is fixedly installed inside the ventilation duct (7) on the rear side of the heat dissipation fan (8).

4. The portable, foldable, low-noise amplifier according to claim 3, characterized in that: The heat dissipation fins (6) are evenly spaced, and the front end of the ventilation duct (7) is provided with a connecting through hole (15), which is evenly spaced.

5. The portable, foldable, low-noise amplifier according to claim 1, characterized in that: The locking groove (9) is rotatably connected to the support frame (10). Both the locking groove (9) and the support frame (10) are U-shaped structures. The lower end of the support frame (10) is fixedly installed with an anti-slip pad (16), which is made of wear-resistant rubber.

6. The portable, foldable, low-noise amplifier according to claim 5, characterized in that: A magnetic block (17) is fixedly installed on the side of the locking groove (9) at the lower end of the support base (2), and a metal plate (18) is fixedly installed on the inner side of the support frame (10). The metal plate (18) and the magnetic block (17) are mutually compatible.

7. The portable, foldable, low-noise amplifier according to claim 6, characterized in that: The locking ball (13) is slidably connected to the movable groove (11), and the side of the locking ball (13) away from the return spring (12) extends to the outside of the movable groove (11) and is adapted to the support frame (10).

Images