CN112396143B

CN112396143B - UHF RFID reader-writer module with Bluetooth function

Info

Publication number: CN112396143B
Application number: CN202011295064.0A
Authority: CN
Inventors: 关润民; 沈长路
Original assignee: Jiayuan Technology Co Ltd
Current assignee: Jiayuan Technology Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2022-05-20
Anticipated expiration: 2040-11-18
Also published as: CN112396143A

Abstract

The invention relates to the technical field of radio frequency identification equipment, in particular to a UHFRFID reader-writer module with a Bluetooth function, which comprises a shell, a circuit board body, a reader-writer module body and a Bluetooth module body, wherein the circuit board body is arranged in the shell, the reader-writer module body and the Bluetooth module body are both arranged on the surface of the circuit board body, the left side of the shell is open, a closed cover is bolted on the left side of the shell, and the top of the shell is communicated with an air inlet channel; the module has a dustproof protection function, adsorbs and filters dust, has a better radiating effect, effectively prolongs the service life of the module, and solves the problems that the circuit board of the module is easily covered with dust in the long-term use process due to the lack of effective dustproof measures of the modules of some existing RFID readers, so that the radiating effect is poor, the stability of the operation of the circuit of the module is influenced, short circuit is easily caused, and the service life of the module is seriously influenced.

Description

UHF RFID reader-writer module with Bluetooth function

Technical Field

The invention relates to the technical field of radio frequency identification equipment, in particular to a UHF RFID reader-writer module with a Bluetooth function.

Background

The internet of things technology is one of the important directions for the development of future information technology after the internet technology. Radio Frequency Identification (RFID) technology is one of the core technologies of the internet of things. The RFID technology is a technology that performs non-contact bidirectional communication using a wireless signal, and can self-identify a target and acquire data and information related to the target. The system is widely used in human daily life, can be used in the fields of identification of financial systems, article management of large supermarkets and warehouses, vehicle monitoring of transportation systems, security alliance control and supply chain management in industrial production, information management of medical health systems, book archive management, military defense and the like, can greatly improve the convenience, safety and efficiency of human production and life, and has great promotion effect on national construction resource-saving and environment-friendly society. At present, RFID products can be divided into the following parts according to working frequency bands: LF, HF, VHF, UHF (ultra high frequency) and microwave frequency channel, UHF frequency channel RFID technique have the discernment distance far away, the characteristics such as data transmission is fast, the reliability is strong and life-span height, have obtained the attention of all countries in the world and the favor of each large enterprise, and RFID read write line module can carry on bluetooth or access network and carry out data transmission.

The module of some current RFID read write line is owing to lack effectual dustproof measure, and the circuit board of module covers easily in long-term use has the dust, not only causes the radiating effect not good enough, leads to the circuit board to be overheated easily, influences the stability of module circuit operation, easily causes the short circuit simultaneously, seriously influences the life of module, for this reason we propose one kind have dustproof protect function to adsorb the filtration to the dust, and the better RFID read write line module of radiating effect solves this problem.

Disclosure of Invention

The invention aims to provide a UHF RFID reader-writer module with a Bluetooth function, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a UHF RFID reader-writer module with a Bluetooth function comprises a shell, a circuit board body, a reader-writer module body and a Bluetooth module body, wherein the circuit board body is arranged inside the shell, the reader-writer module body and the Bluetooth module body are both arranged on the surface of the circuit board body, the left side of the shell is open, a closed cover is bolted on the left side of the shell, the top of the shell is communicated with an air inlet channel, a first dust screen is arranged above an inner cavity of the air inlet channel, a small fan is arranged inside the air inlet channel, a second dust screen is embedded at the bottom of the shell, a plurality of heat conducting columns penetrate through the surface of the bottom of the shell, heat conducting blocks are bonded at the tops of the heat conducting columns, the tops of the heat conducting blocks are in contact with the surface of the bottom of the circuit board body, a frame is arranged above the inner cavity of the shell, and a blocking net is arranged on the inner side of the frame, the top of arresting net is provided with dust particle adsorption package, the left and right sides of frame has bolted connection connecting plate and riser respectively, logical groove has been seted up on the right side of casing, and the inner wall swing joint of riser and logical groove, the top of casing and connecting plate is provided with the fixed establishment that mutually supports and use, both sides all are provided with slide mechanism around the casing inner chamber.

Preferably, the fixing mechanism comprises a fixing bolt, a fixing column, a threaded hole and a fixing groove, the number of the fixing bolt, the number of the fixing column, the number of the threaded hole and the number of the fixing groove are 2, the top end of the fixing column is fixedly connected with the bottom of the fixing bolt, the threaded hole penetrates through the surface of the top of the shell, the fixing bolt is in threaded connection with the inner wall of the threaded hole, and the fixing groove is formed in the surface of the top of the connecting plate.

Preferably, the fixing column is made of rubber, the outer diameter of the fixing column is smaller than the inner diameter of the threaded hole, and the upper height and the lower height of the fixing column are smaller than the upper depth and the lower depth of the fixing groove.

Preferably, slide mechanism includes connecting piece, gyro wheel and rubber circle, the one end of connecting piece and the inner wall reciprocal anchorage of casing, the other end and the gyro wheel of connecting piece rotate to be connected, the rubber circle sets up on the surface of gyro wheel, and the surface of rubber circle and frame bottom contacts each other.

Preferably, the number of the rollers is several, and the rollers are distributed at equal intervals from left to right.

Preferably, the front part and the rear part of the right side surface of the shell are both provided with through holes in a penetrating manner, the right side of the shell is provided with a sealing plug, and the sealing plug is movably connected with the inner wall of the through hole.

Preferably, the surface on the right side of the vertical plate is bolted with a pull ring, the pull ring is integrally arc-shaped, and the pull ring is matched with the vertical plate for use.

Preferably, the cross-sectional area of the heat conduction block is the same as that of the heat conduction column, the heat conduction block is made of heat conduction silica gel, and the heat conduction column is made of aluminum alloy.

Compared with the prior art, the invention has the following beneficial effects:

the module has a dustproof protection function, adsorbs and filters dust, has a better radiating effect, effectively prolongs the service life of the module, and solves the problems that the circuit board of the module is easily covered with dust in the long-term use process due to the lack of effective dustproof measures of the modules of some existing RFID readers, so that the radiating effect is poor, the stability of the operation of the circuit of the module is influenced, short circuit is easily caused, and the service life of the module is seriously influenced.

Drawings

FIG. 1 is an elevational, cross-sectional view of a structure of the present invention;

FIG. 2 is a structural left side sectional view of the housing of the present invention;

FIG. 3 is a structural top sectional view of the housing of the present invention;

FIG. 4 is a perspective view of a portion of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1;

fig. 6 is a schematic perspective view of the fixing bolt of the present invention.

In the figure: 1. a housing; 2. a circuit board body; 3. a reader/writer module body; 4. a Bluetooth module body; 5. an air intake passage; 6. a small fan; 7. a first dust screen; 8. a pull ring; 9. a second dust screen; 10. a heat-conducting column; 11. a heat conducting block; 12. a closure cap; 13. a frame; 14. a barrier net; 15. a vertical plate; 16. a connecting plate; 17. a fixing mechanism; 171. fixing the bolt; 172. fixing a column; 173. a threaded hole; 174. fixing grooves; 18. a dust particle adsorption packet; 19. a through groove; 20. a sliding mechanism; 201. a connecting member; 202. a roller; 203. a rubber ring; 21. a through hole; 22. and (4) sealing the plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

Referring to fig. 1-6, a UHF RFID reader module with bluetooth function comprises a housing 1, a circuit board body 2, a reader module body 3 and a bluetooth module body 4, wherein the circuit board body 2 is installed inside the housing 1, the reader module body 3 and the bluetooth module body 4 are both installed on the surface of the circuit board body 2, the left side of the housing 1 is open, a sealing cover 12 is bolted on the left side of the housing 1, the top of the housing 1 is communicated with an air inlet channel 5, a first dust screen 7 is installed above the inner cavity of the air inlet channel 5, a small fan 6 is installed inside the air inlet channel 5, a second dust screen 9 is embedded at the bottom of the housing 1, a plurality of heat conduction columns 10 are arranged on the surface of the bottom of the housing 1 in a penetrating manner, heat conduction blocks 11 are bonded on the tops of the heat conduction columns 10, and the tops of the heat conduction blocks 11 are in contact with the surface of the bottom of the circuit board body 2, a frame 13 is arranged above the inner cavity of the shell 1, a blocking net 14 is arranged on the inner side of the frame 13, a dust particle adsorption bag 18 is arranged at the top of the blocking net 14, a connecting plate 16 and a vertical plate 15 are respectively bolted at the left side and the right side of the frame 13, a through groove 19 is arranged at the right side of the shell 1, the vertical plate 15 is movably connected with the inner wall of the through groove 19, fixing mechanisms 17 which are mutually matched for use are arranged at the top of the shell 1 and the connecting plate 16, sliding mechanisms 20 are respectively arranged at the front side and the rear side of the inner cavity of the shell 1, the module has a dustproof protection function and adsorbs and filters dust, the heat dissipation effect is better, the service life of the module is effectively prolonged, the problem that the modules of some existing RFID readers lack of effective dustproof measures, the circuit boards of the modules are easily covered with dust in the long-term use process, the heat dissipation effect is not only poor, and the stability of the operation of the module circuits is influenced is solved, and meanwhile, short circuit is easily caused, and the service life of the module is seriously influenced.

As shown in fig. 1, 2 and 6, the fixing mechanism 17 includes a fixing bolt 171, a fixing column 172, a threaded hole 173 and a fixing groove 174, the number of the fixing bolt 171, the fixing column 172, the threaded hole 173 and the fixing groove 174 is 2, the top end of the fixing column 172 is fixedly connected with the bottom of the fixing bolt 171, the threaded hole 173 penetrates through the surface of the top of the housing 1, the fixing bolt 171 is in threaded connection with the inner wall of the threaded hole 173, the fixing groove 174 is formed on the surface of the top of the connecting plate 16, and by setting the fixing mechanism 17, the fixing bolt 171 is rotated to enable the fixing column 172 to enter the fixing groove 174, so that the effect of fixing the connecting plate 16 and the frame 13 can be achieved.

As shown in fig. 1, 2 and 6, the fixing column 172 is made of rubber, the outer diameter of the fixing column 172 is smaller than the inner diameter of the threaded hole 173, the vertical height of the fixing column 172 is smaller than the vertical depth of the fixing groove 174, the outer diameter of the fixing column 172 is designed to be smaller than the inner diameter of the threaded hole 173, so that when the fixing bolt 171 enters the threaded hole 173, the fixing column 172 is prevented from rubbing against the inner wall of the threaded hole 173, and the vertical height of the fixing column 172 is designed to be smaller than the vertical depth of the fixing groove 174, so that the fixing column 172 can completely enter the fixing groove 174.

As shown in fig. 1, 2, 3 and 5, the sliding mechanism 20 includes a connecting member 201, a roller 202 and a rubber ring 203, one end of the connecting member 201 is fixed to the inner wall of the housing 1, the other end of the connecting member 201 is rotatably connected to the roller 202, the rubber ring 203 is disposed on the surface of the roller 202, and the rubber ring 203 is in contact with the surface of the bottom of the frame 13, and the frame 13 can be supported by the connecting member 201, the roller 202 and the rubber ring 203, and the frame 13 can be moved by a worker conveniently.

As shown in fig. 1, 2, 3 and 5, the number of the rollers 202 is several, and the rollers 202 are equally spaced from left to right, and by designing the rollers 202 to be equally spaced from left to right, the supporting points at the bottom of the frame 13 are more uniform, and the stability of the frame 13 is increased.

As shown in fig. 1 and 2, the through-hole 21 has been seted up all to two places around the surface of casing 1 right side through, the right side of casing 1 sets up sealing plug 22, and sealing plug 22 and the inner wall swing joint of through-hole 21, through the setting of through-hole 21 and sealing plug 22, the through-hole 21 is convenient for the workman to wear the connecting wire of module to the outside of casing 1, and sealing plug 22 can seal idle through-hole 21 to the dust passes through the inside that through-hole 21 got into casing 1.

As shown in fig. 1 and 4, the surface on the right side of the vertical plate 15 is bolted with the pull ring 8, the pull ring 8 is in an arc shape as a whole, the pull ring 8 is matched with the vertical plate 15 for use, and through the arrangement of the pull ring 8, a worker pulls the pull ring 8, so that the vertical plate 15, the frame 13 and the dust particle adsorption bag 18 can be driven to move rightwards together, and the worker can replace the dust particle adsorption bag 18 conveniently.

As shown in fig. 1 and 2, the cross sectional area of heat conduction piece 11 is the same with the cross sectional area of heat conduction post 10, the material of heat conduction piece 11 is heat conduction silica gel, the material of heat conduction post 10 is the aluminum alloy, the material through design heat conduction piece 11 is heat conduction silica gel, heat conduction silica gel has heat conductivity and insulating nature simultaneously, effectively prevent that circuit board body 2 from receiving the influence of static, the material of simultaneous design heat conduction post 10 is the aluminum alloy, the aluminum alloy is one of light metal material, good heat conductivity has simultaneously, corrosion resistance and weldability, effectively promote the radiating effect of this module.

The working principle is as follows: in the using process, the small fan 6 is started, the external space enters the air inlet channel 5 through the first dust screen 7, the first dust screen 7 can primarily filter dust in the air, then the air enters the shell 1, at the moment, the dust adsorbent in the dust particle adsorption bag 18 can adsorb fine dust particles in the air, the dust particles are not easy to exist in the shell 1, flowing air after dust absorption treatment passes through the blocking net 14 to reach the lower part in the shell 1, then the flowing air absorbs heat on the surface of the circuit board body 2, finally the flowing air passes through the second dust screen 9 and is discharged to the outer side of the shell 1, the heat on the surface of the circuit board body 2 can be simultaneously transferred to the outer side through the heat conducting block 11 and the heat conducting column 10, the temperature of the circuit board body 2 is greatly reduced, and the operation of a module circuit is more stable, the service life is longer; when the dust particle adsorbing bag 18 is replaced, the fixing bolt 171 is rotated and moved upward by the screw until the fixing bolt 171 and the fixing column 172 are separated from the screw hole 173 and the fixing groove 174, and then the pull ring 8 is pulled to move the vertical plate 15, the frame 13, and the dust particle adsorbing bag 18 to the right, and then the dust particle adsorbing bag 18 is removed and replaced with a new one.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element

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

1. The utility model provides a UHF RFID read write line module with bluetooth function, includes casing (1), circuit board body (2), read write line module body (3) and bluetooth module body (4), its characterized in that: the circuit board body (2) is arranged in the shell (1), the reader-writer module body (3) and the Bluetooth module body (4) are arranged on the surface of the circuit board body (2), the left side of the shell (1) is open, the left side of the shell (1) is bolted with a sealing cover (12), the top of the shell (1) is communicated with an air inlet channel (5), a first dust screen (7) is arranged above the inner cavity of the air inlet channel (5), a small fan (6) is arranged in the air inlet channel (5), a second dust screen (9) is embedded in the bottom of the shell (1), a plurality of heat-conducting columns (10) are arranged on the surface of the bottom of the shell (1) in a penetrating manner, heat-conducting blocks (11) are bonded on the tops of the heat-conducting columns (10), and the tops of the heat-conducting blocks (11) are in contact with the surface of the bottom of the circuit board body (2), a frame (13) is arranged above an inner cavity of the shell (1), a blocking net (14) is installed on the inner side of the frame (13), a dust particle adsorption bag (18) is arranged at the top of the blocking net (14), a connecting plate (16) and a vertical plate (15) are bolted to the left side and the right side of the frame (13) respectively, a through groove (19) is formed in the right side of the shell (1), the vertical plate (15) is movably connected with the inner wall of the through groove (19), fixing mechanisms (17) which are matched with each other are arranged at the tops of the shell (1) and the connecting plate (16), and sliding mechanisms (20) are arranged on the front side and the rear side of the inner cavity of the shell (1);

the fixing mechanism (17) comprises a fixing bolt (171), a fixing column (172), a threaded hole (173) and a fixing groove (174), the number of the fixing bolt (171), the number of the fixing column (172), the number of the threaded hole (173) and the number of the fixing groove (174) are 2, the top end of the fixing column (172) is fixedly connected with the bottom of the fixing bolt (171), the threaded hole (173) penetrates through the surface of the top of the shell (1), the fixing bolt (171) is in threaded connection with the inner wall of the threaded hole (173), and the fixing groove (174) is formed in the surface of the top of the connecting plate (16).

2. The UHF RFID reader module with Bluetooth function of claim 1, wherein: the fixing column (172) is made of rubber, the outer diameter of the fixing column (172) is smaller than the inner diameter of the threaded hole (173), and the vertical height of the fixing column (172) is smaller than the vertical depth of the fixing groove (174).

3. The UHF RFID reader module with Bluetooth function of claim 1, wherein: slide mechanism (20) are including connecting piece (201), gyro wheel (202) and rubber circle (203), the one end of connecting piece (201) and the inner wall reciprocal anchorage of casing (1), the other end and gyro wheel (202) of connecting piece (201) rotate to be connected, rubber circle (203) set up the surface at gyro wheel (202), and the surface reciprocal contact of rubber circle (203) and frame (13) bottom.

4. The UHF RFID reader module with Bluetooth function of claim 3, wherein: the number of the rollers (202) is several, and the rollers (202) are distributed at equal intervals from left to right.

5. The UHF RFID reader module with Bluetooth function of claim 1, wherein: the front and back parts of the right side surface of the shell (1) are both provided with through holes (21) in a penetrating mode, the right side of the shell (1) is provided with a sealing plug (22), and the sealing plug (22) is movably connected with the inner wall of the through hole (21).

6. The UHF RFID reader module with Bluetooth function of claim 1, wherein: the surface bolt on riser (15) right side has pull ring (8), the whole of pull ring (8) is the camber, and pull ring (8) and riser (15) cooperation use.

7. The UHF RFID reader module with Bluetooth function of claim 1, wherein: the heat-conducting column is characterized in that the cross-sectional area of the heat-conducting block (11) is the same as that of the heat-conducting column (10), the heat-conducting block (11) is made of heat-conducting silica gel, and the heat-conducting column (10) is made of aluminum alloy.