CN216491460U

CN216491460U - WIFI wireless ad hoc network radio frequency module

Info

Publication number: CN216491460U
Application number: CN202122819365.5U
Authority: CN
Inventors: 刘琴; 赵书平; 邝文科
Original assignee: Shenzhen Desheng Electronics Co ltd
Current assignee: Shenzhen Desheng Electronics Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-10
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the technical field of network transmission, in particular to a WIFI wireless ad hoc network radio frequency module, which comprises a radio frequency module main body, wherein installation seats are fixedly arranged at four corners of the lower surface of the radio frequency module main body, a plug is fixedly arranged at the lower surface of each installation seat, two fixing grooves are symmetrically arranged on the outer side surface of each installation seat, each installation seat is connected with a fixing device, each fixing device is fixedly arranged on the upper surface of a circuit board, a detector, a band-pass filter, a power amplifier, a comparator, a directional coupler and an antenna connecting seat are fixedly arranged on the upper surface of the radio frequency module main body in sequence, four installation seats arranged at four corners of the lower surface of the radio frequency module main body are connected with the plugs and the four fixing devices on the upper surface of the circuit board, so that the radio frequency module main body is fixed on the circuit board, and a gap left between the radio frequency module main body and the circuit board is larger, thereby the heat dispersion of equipment has been promoted greatly.

Description

WIFI wireless ad hoc network radio frequency module

Technical Field

The utility model relates to the technical field of network transmission, in particular to a WIFI wireless ad hoc network radio frequency module.

Background

Radio frequency signal products are widely used in consumer electronics, such as WiFi devices, and the radio frequency module determines the quality of the signal, for example, a radio frequency module with an adsorbable antenna is proposed in patent application No. CN201920779961.5, which is characterized in that: the radio frequency module comprises a PCB body, an antenna bracket positioned above the front surface of the PCB body and a radio frequency assembly positioned below the front surface of the PCB body; the antenna support comprises a rectangular plate-shaped antenna plate body, the antenna plate body is fixedly arranged on the front surface of the PCB plate body through supporting support legs positioned at the four corners of the antenna plate body, a feeder line support leg is further arranged between the two supporting support legs positioned on one side of the antenna support close to the radio frequency assembly, a short circuit metal sheet is arranged inside one supporting support leg closest to the feeder line support leg, the height of the antenna plate body of the antenna support is higher than that of the radio frequency assembly, the bandwidth of an antenna is increased, and the transmission efficiency is improved; the antenna plate body of the antenna bracket is higher than the radio frequency assembly, so that when the antenna plate body needs to be installed and adsorbed, the antenna bracket can be directly adsorbed by the adsorption claw, the contact area is large, and the adsorption is stable.

However, according to the technical scheme, when the wireless ad hoc network module is assembled, pins of the radio frequency module need to be accurately welded at joints of the circuit board through soldering equipment, the pins of the radio frequency module are more, the installation time is long, gaps between the radio frequency module and the circuit board are small after the radio frequency module is installed, heat dissipation of the equipment is not facilitated, and the phenomenon that the equipment is blocked due to overhigh temperature is easy to occur, so that the WIFI wireless ad hoc network radio frequency module is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a WIFI wireless ad hoc network radio frequency module which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

WIFI is wireless from network deployment radio frequency module, including the radio frequency module main part, the equal fixed mounting in radio frequency module main part lower surface four corners department has the mount pad, every the equal fixed mounting of lower surface of mount pad has the plug, every the outside of mount pad is equal the symmetry on the surface and is provided with two fixed slots, every the mount pad all is connected with a fixing device, every the equal fixed mounting of fixing device is at the upper surface of circuit board, the upper surface of radio frequency module main part fixed mounting in proper order has wave detector, band-pass filter, amplificator, comparator, directional coupler and antenna connection seat.

Preferably, the fixing device comprises a supporting seat, a slot is formed in the inner surface of the supporting seat, and the inner wall of the slot is connected with the outer wall of the plug in a sliding mode.

As preferred, the mounting groove has all been seted up to the both sides that lie in the slot on the supporting seat, every the inside fixed block, two that all is provided with of mounting groove two the fixed block corresponds the setting with two fixed slots on the mount pad.

Preferably, each fixed block is fixedly provided with a plurality of first springs, and one end of each first spring is fixedly connected with the inner wall of the mounting groove.

Preferably, the two ends of each fixed block are fixedly provided with a sliding block, and the two sliding blocks on each fixed block are respectively connected to the inner part of a sliding groove formed in the inner wall of one mounting groove in a sliding manner.

Preferably, slidable mounting has the slide bar on the outer wall of supporting seat, the outer wall and the installation piece fixed connection of supporting seat are passed in the one end slip of slide bar, rotate on the installation piece and install two connecting rods, two the one end of connecting rod rotates with two sliders on two fixed blocks respectively and is connected.

Preferably, the outer wall of the sliding rod is sleeved with a second spring, and two ends of the second spring are fixedly connected with the mounting block and the supporting seat respectively.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the four mounting seats arranged at the four corners of the lower surface of the radio frequency module main body are connected with the four fixing devices on the upper surface of the circuit board through the plugs, so that the radio frequency module main body is fixed on the circuit board, and a gap left between the radio frequency module main body and the circuit board is larger, thereby greatly improving the heat dissipation performance of the equipment.

(2) When the radio frequency module is installed, firstly, a plug arranged on the lower surface of the radio frequency module main body is aligned with the slot, then the radio frequency module main body is moved downwards, meanwhile, the sliding rod is pushed, so that the installation block is driven to move synchronously and the second spring is pulled, so that the two connecting rods are pushed to rotate, the two connecting rods push the fixed block to move by taking the sliding groove as a path through the sliding block, and meanwhile, the first spring is extruded, so that the fixed block slides into the installation groove, at the moment, the plug is inserted into the slot, the fixed block is aligned with the fixed groove, the fixed block is pushed into the fixed groove through the elasticity of the first spring, so that the radio frequency module main body is fixed, the time required by welding and fixing is reduced, and the assembling efficiency of equipment is greatly improved.

Drawings

Fig. 1 is a schematic view of an overall structure of a WIFI wireless ad hoc network radio frequency module according to the present invention;

fig. 2 is a schematic structural diagram of a main body of a radio frequency module of the WIFI wireless ad hoc network radio frequency module according to the present invention;

fig. 3 is a left side view structural schematic diagram of a fixing device of the WIFI wireless ad hoc network radio frequency module of the present invention;

fig. 4 is a schematic sectional structure view of a-a of the WIFI wireless ad hoc network radio frequency module of the present invention.

In the figure: 1. a radio frequency module body; 2. a mounting seat; 3. a fixing device; 301. a supporting seat; 302. a slot; 303. mounting grooves; 304. a fixed block; 305. a first spring; 306. a slider; 307. a chute; 308. a connecting rod; 309. mounting blocks; 3010. a second spring; 3011. a slide bar; 4. a circuit board; 5. fixing grooves; 6. a plug; 7. a detector; 8. a band-pass filter; 9. a power amplifier; 10. a comparator; 11. a directional coupler; 12. an antenna connecting base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-4, the WIFI wireless ad hoc network radio frequency module includes a radio frequency module main body 1, four corners of the lower surface of the radio frequency module main body 1 are fixedly provided with mounting seats 2, the lower surface of each mounting seat 2 is fixedly provided with a plug 6, the outer surface of each mounting seat 2 is symmetrically provided with two fixing grooves 5, each mounting seat 2 is connected with one fixing device 3, each fixing device 3 is fixedly provided on the upper surface of a circuit board 4, the upper surface of the radio frequency module main body 1 is fixedly provided with a detector 7, a band-pass filter 8, a power amplifier 9, a comparator 10, a directional coupler 11 and an antenna connecting seat 12 in sequence.

Through the technical scheme, when in use, psychology in signals is extracted through the wave detector 7, signals of other frequency bands are reduced through the band-pass filter 8, so that signals of different frequency bands interfering equipment are reduced, the signals of the equipment can be enhanced through the power amplifier 9, the signals can be amplified through the comparator 10, the sound is reduced as much as possible, WiFi frequency band signals entering the wave detector 7 through the directional coupler 11 are detected and converted into corresponding direct current voltages, the direct current voltages are compared with threshold voltages, the comparator 10 outputs different voltages according to comparison results to control switching between a transmitting link and a receiving link, so that switching between a receiving state and a transmitting state of a radio frequency module can be realized, four mounting seats 2 arranged at four corners of the lower surface of the radio frequency module body 1 are connected with four fixing devices 3 arranged on the upper surface of the circuit board 4 through the plugs 6, when the radio frequency module is installed, firstly, the plug 6 arranged on the lower surface of the radio frequency module body 1 is aligned with the slot 302, then the radio frequency module body 1 is moved downwards, meanwhile, the sliding rod 3011 is pushed to drive the installation block 309 to move synchronously and pull the second spring 3010, thereby pushing the two connecting rods 308 to rotate, so that the two connecting rods 308 push the fixed block 304 to move by taking the sliding groove 307 as a path through the sliding block 306, and simultaneously, the first spring 305 is extruded, so that the fixed block 304 slides into the installation groove 303, at the moment, the plug 6 is inserted into the slot 302, and the fixed block 304 is aligned with the fixed groove 5, and the fixed block 304 is pushed into the fixed groove 5 by the elasticity of the first spring 305, thereby fixing the radio frequency module main body 1, reducing the time required for welding and fixing, and greatly improving the assembly efficiency of the equipment.

In this embodiment, the fixing device 3 includes a supporting seat 301, a slot 302 is disposed on an inner surface of the supporting seat 301, an inner wall of the slot 302 is slidably connected to an outer wall of the plug 6, mounting grooves 303 are disposed on both sides of the slot 302 on the supporting seat 301, a fixing block 304 is disposed inside each mounting groove 303, the two fixing blocks 304 are disposed corresponding to two fixing grooves 5 on the mounting seat 2, a plurality of first springs 305 are fixedly mounted on each fixing block 304, one end of each first spring 305 is fixedly connected to the inner wall of the mounting groove 303, sliders 306 are fixedly mounted on both ends of each fixing block 304, the two sliders 306 on each fixing block 304 are respectively slidably connected to a sliding groove 307 disposed on the inner wall of one mounting groove 303, a sliding rod 3011 is slidably mounted on the outer wall of the supporting seat 301, one end of the sliding rod 3011 slidably penetrates through the outer wall of the supporting seat 301 to be fixedly connected to the mounting block 309, two connecting rods 308 are rotatably mounted on the mounting block 309, one ends of the two connecting rods 308 are respectively rotatably connected with the two sliding blocks 306 on the two fixing blocks 304, a second spring 3010 is sleeved on the outer wall of the sliding rod 3011, and two ends of the second spring 3010 are respectively fixedly connected with the mounting block 309 and the supporting seat 301, when mounting, firstly, the plug 6 arranged on the lower surface of the radio frequency module main body 1 is aligned with the slot 302, then the radio frequency module main body 1 is moved downwards, and at the same time, the sliding rod 3011 is pushed, so that the mounting block 309 is driven to synchronously move and the second spring 3010 is pulled, so that the two connecting rods 308 are pushed to rotate, so that the two connecting rods 308 push the fixing blocks 304 to move by taking the sliding groove 307 as a path through the sliding block 306, and simultaneously press the first spring 305, so that the fixing blocks 304 slide into the mounting grooves 303, at the moment, the plug 6 is inserted into the slot 302, and the fixing blocks 304 are aligned with the fixing grooves 5, the fixing block 304 is pushed into the fixing groove 5 by the elasticity of the first spring 305, so that the radio frequency module body 1 is fixed, the time required for welding and fixing is reduced, and the assembling efficiency of the device is greatly improved.

The working principle of the WIFI wireless ad hoc network radio frequency module is as follows:

when mounting, firstly, the plug 6 arranged on the lower surface of the radio frequency module body 1 is aligned with the slot 302, then the radio frequency module body 1 is moved downwards, and at the same time, the sliding rod 3011 is pushed to drive the mounting block 309 to move synchronously and pull the second spring 3010, thereby pushing the two connecting rods 308 to rotate, so that the two connecting rods 308 push the fixing block 304 through the sliding block 306 to move by taking the sliding groove 307 as a path, and simultaneously extrude the first spring 305, so that the fixing block 304 slides into the mounting groove 303, at this time, the plug 6 is inserted into the slot 302, and the fixing block 304 is aligned with the fixing groove 5, the fixing block 304 is pushed into the fixing groove 5 through the elasticity of the first spring 305, so that the radio frequency module body 1 is fixed, thereby reducing the time required by welding and fixing, and greatly improving the assembly efficiency of the device.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

WIFI wireless ad hoc network radio frequency module, including radio frequency module main part (1), its characterized in that: equal fixed mounting in radio frequency module main part (1) lower surface four corners department has mount pad (2), every the equal fixed mounting of lower surface of mount pad (2) has plug (6), every the outside of mount pad (2) is equal the symmetry on the surface and is provided with two fixed slots (5), every mount pad (2) all are connected with a fixing device (3), every the equal fixed mounting of fixing device (3) is at the upper surface of circuit board (4), the upper surface of radio frequency module main part (1) is fixed mounting in proper order has detector (7), band-pass filter (8), power amplifier (9), comparator (10), directional coupler (11) and antenna connection seat (12).
2. The WIFI wireless ad hoc network radio frequency module according to claim 1, wherein: fixing device (3) are including supporting seat (301), the inside surface of supporting seat (301) is provided with slot (302), the inner wall of slot (302) and the outer wall sliding connection of plug (6).
3. The WIFI wireless ad hoc network radio frequency module according to claim 2, wherein: mounting groove (303) have all been seted up to the both sides that lie in slot (302) on supporting seat (301), every mounting groove (303) inside all is provided with fixed block (304), two fixed block (304) correspond the setting with two fixed slots (5) on mount pad (2).
4. The WIFI wireless ad hoc network radio frequency module according to claim 3, wherein: each fixing block (304) is fixedly provided with a plurality of first springs (305), and one end of each first spring (305) is fixedly connected with the inner wall of the mounting groove (303).
5. The WIFI wireless ad hoc network radio frequency module according to claim 3, wherein: and sliding blocks (306) are fixedly mounted at two ends of each fixed block (304), and the two sliding blocks (306) on each fixed block (304) are respectively connected inside sliding grooves (307) formed in the inner wall of one mounting groove (303) in a sliding manner.
6. The WIFI wireless ad hoc network radio frequency module according to claim 2, wherein: sliding mounting has slide bar (3011) on the outer wall of supporting seat (301), the one end of slide bar (3011) slides the outer wall and the installation piece (309) fixed connection of passing supporting seat (301), rotate on installation piece (309) and install two connecting rods (308), two the one end of connecting rod (308) rotates with two slider (306) on two fixed blocks (304) respectively and is connected.
7. The WIFI wireless ad hoc network radio frequency module of claim 6, wherein: the outer wall of the sliding rod (3011) is sleeved with a second spring (3010), and two ends of the second spring (3010) are fixedly connected with the mounting block (309) and the supporting seat (301) respectively.