CN110610217A - RFID handheld device - Google Patents
RFID handheld device Download PDFInfo
- Publication number
- CN110610217A CN110610217A CN201910848472.5A CN201910848472A CN110610217A CN 110610217 A CN110610217 A CN 110610217A CN 201910848472 A CN201910848472 A CN 201910848472A CN 110610217 A CN110610217 A CN 110610217A
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- China
- Prior art keywords
- main body
- display screen
- heat dissipation
- connecting box
- rod
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000001125 extrusion Methods 0.000 claims abstract description 39
- 230000004224 protection Effects 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 17
- 239000004519 grease Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 22
- 230000003139 buffering effect Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to an RFID handheld device, which comprises a main body and a display screen, wherein the main body is in a cuboid shape, the display screen is arranged on the top of the main body, a data processing system is arranged in the main body, four protection mechanisms are arranged on the main body, the protection mechanisms are respectively arranged on four sides of the main body, four heat dissipation mechanisms are arranged in the main body, the heat dissipation mechanisms correspond to the protection mechanisms one by one, the protection mechanisms comprise extrusion plates, pistons, fixed pipes, connecting holes, air outlet holes and two buffer components, the buffer components comprise push rods, fixed blocks, springs and mounting holes, this RFID handheld device has realized the radiating function of display screen through heat dissipation mechanism, avoids the display screen overheated and damage, has prolonged the life of display screen, moreover, has still realized the function of protection display screen through protection mechanism, avoids the display screen to break.
Description
Technical Field
The invention relates to the field of RFID, in particular to an RFID handheld device.
Background
The RFID technology, also known as electronic tag and RFID, is a communication technology, and can identify a specific target and read and write related data through a radio signal without establishing mechanical or optical contact between an identification system and the specific target.
When the user falls down carelessly, the display screen on the RFID handheld terminal is fragile and easy to damage, so that the practicability is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, an RFID handheld device is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an RFID handheld device comprises a main body and a display screen, wherein the main body is in a cuboid shape, the display screen is installed at the top of the main body, a data processing system is arranged in the main body, four protection mechanisms are arranged on the main body and are respectively arranged on four sides of the main body, four heat dissipation mechanisms are arranged in the main body, and the heat dissipation mechanisms correspond to the protection mechanisms one by one;
the protection mechanism comprises an extrusion plate, a piston, a fixed pipe, a connecting hole, an air outlet and two buffer components, the air outlet is arranged at the top of the main body, the extrusion plate is parallel to one side of the main body close to the extrusion plate, the fixed pipe is vertical to the extrusion pipe, the connecting hole is arranged on the main body and is coaxial with the fixed pipe, the aperture of the connecting hole is equal to the outer diameter of the fixed pipe, the connecting pipe penetrates through the connecting hole, the connecting pipe is hermetically and fixedly connected with the inner wall of the connecting hole, the piston is matched with the fixed pipe, the piston is arranged in the fixed pipe, the piston is connected with the inner wall of the fixed pipe in a sliding and sealing way, gaps are arranged among the extrusion plate, the main body and the fixed pipe, the piston is fixed on the extrusion plate, the buffer assemblies are arranged on one side of the extrusion plate close to the main body, and the fixed pipe is positioned between the two buffer assemblies;
the buffer assembly comprises a push rod, a fixed block, a spring and a mounting hole, the push rod is parallel to the fixed pipe, the mounting hole and the push rod are coaxially arranged, the aperture of the mounting hole is equal to the diameter of the push rod, the push rod penetrates through the mounting hole, the push rod is in sliding and sealing connection with the inner wall of the mounting hole, one end of the push rod is fixed on the extrusion plate, the fixed block is fixed at the other end of the push rod, and one side, close to the extrusion plate, of the fixed block is connected with the inner wall of the main body, close to one side of the extrusion plate, through;
the heat dissipation mechanism comprises a connecting box, a power rod, a moving disc, a heat dissipation ring and two heat conduction rods, the connecting box is cylindrical, the connecting box, the heat dissipation ring, the moving disc and the power rod are coaxially arranged with a fixed pipe, the fixed pipe is positioned between an extrusion plate and the connecting box, the connecting box is fixed on the inner wall of a main body, the moving disc is arranged in the connecting box, the diameter of the moving disc is equal to the inner diameter of the connecting box, the moving disc is connected with the inner wall of the connecting box in a sliding and sealing manner, gaps are respectively arranged between the moving disc and the inner walls of the two sides of the connecting box, the power rod is positioned between a piston and the connecting box, the diameter of the power rod is smaller than the inner diameter of the fixed pipe, a through hole is arranged on one side of the connecting box, which is close to the power rod, an exhaust hole is arranged on the other side of the connecting box, the diameter of the, the power rod penetrates through the through hole, the power rod is connected with the inner wall of the through hole in a sliding and sealing mode, one end of the power rod is fixed to the piston, the other end of the power rod is fixed to the moving disc, the power rod is located between the two heat-radiating rods, the heat-conducting rods are perpendicular to the top of the main body and penetrate through the connecting box and the main body respectively, the heat-conducting rods are connected with the main body and the connecting box in a sealing and fixing mode respectively, one end, far away from the power rod, of one of the two heat-conducting rods is located on the same plane with the bottom of the main body, one end, far away from the power rod, of the other heat-conducting rod is connected with one side, close to the main body, of the display screen, the inner diameter of each heat-radiating ring is larger than the diameter of the power rod, the heat-radiating rings are located in, one end of the heat conducting rod close to the power rod is fixed on the heat dissipation ring.
Preferably, for promoting the protection effect, the top and the bottom of main part all are equipped with four buffer blocks, and four buffer blocks set up the four corners department at the main part respectively, buffer block thickness is greater than the thickness of display screen.
Preferably, in order to reduce a gap between the connection box and the moving plate, an inner wall of the connection box is coated with a sealing grease.
Preferably, in order to improve the buffering and vibration damping effects, the extrusion plate is made of rubber.
Preferably, the pressing plate is provided with anti-slip threads to avoid slipping.
Preferably, a filter screen is arranged in the air outlet hole for dust prevention.
Preferably, in order to prolong the service life of the fixing pipe, the fixing pipe is provided with an anti-corrosion zinc coating.
Preferably, the push rod is provided with a chamfer for facilitating the installation of the push rod.
Preferably, in order to improve the heat dissipation effect, the bottom of the main body is coated with heat conductive silica gel.
Preferably, the push rod is coated with a lubricating oil in order to reduce friction between the push rod and the body.
The RFID handheld device has the advantages that the heat dissipation function of the display screen is achieved through the heat dissipation mechanism, the display screen is prevented from being damaged due to overheating, the service life of the display screen is prolonged, compared with the existing heat dissipation mechanism, the heat dissipation mechanism not only transfers heat on the display screen through the heat conducting rod and the heat dissipation ring, but also reduces the temperature and absorbs heat on the heat conducting rod and the heat conducting ring in a pressure reducing mode, the heat dissipation effect is better, the function of protecting the display screen is achieved through the protection mechanism, the display screen is prevented from being broken, and compared with the existing protection mechanism, the protection mechanism can reduce the probability that the display screen directly collides with the ground, and the protection effect is better.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the structure of an RFID handheld device of the present invention;
FIG. 2 is a cross-sectional view of an RFID handset of the present invention;
FIG. 3 is a schematic diagram of the protective mechanism of the RFID handset of the present invention;
FIG. 4 is a schematic diagram of the heat dissipation mechanism of the RFID handset of the present invention;
in the figure: 1. the main body, 2, the display screen, 3, the extrusion plate, 4, the piston, 5, the fixed tube, 6, the push rod, 7, the fixed block, 8, the spring, 9, the connecting box, 10, the power rod, 11, the movable disk, 12, the heat dissipation ring, 13, the heat conduction rod, and 14, the buffer block.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, an RFID handheld device includes a main body 1 and a display screen 2, wherein the main body 1 is rectangular, the display screen 2 is installed on the top of the main body 1, a data processing system is disposed in the main body 1, four protection mechanisms are disposed on the main body 1, the protection mechanisms are respectively disposed on four sides of the main body 1, four heat dissipation mechanisms are disposed in the main body 1, and the heat dissipation mechanisms correspond to the protection mechanisms one to one;
read and the record through data processing system to data, show data information through display screen 2 simultaneously, here, the effect that sets up heat dissipation mechanism is the heat dissipation that realizes display screen 2, and the effect that sets up protection mechanism realizes the protection to display screen 2, avoids this equipment to drop and leads to display screen 2 to damage.
As shown in fig. 3, the protection mechanism includes an extrusion plate 3, a piston 4, a fixed tube 5, a connection hole, an air outlet and two buffer assemblies, the air outlet is disposed at the top of the main body 1, the extrusion plate 3 is parallel to one side of the main body 1 close to the extrusion plate 3, the fixed tube 5 is perpendicular to the extrusion tube, the connection hole is disposed on the main body 1, the connection hole is coaxial with the fixed tube 5, the aperture of the connection hole is equal to the outer diameter of the fixed tube 5, the connection tube passes through the connection hole, the connection tube is hermetically and fixedly connected with the inner wall of the connection hole, the piston 4 is matched with the fixed tube 5, the piston 4 is mounted in the fixed tube 5, the piston 4 is slidably and hermetically connected with the inner wall of the fixed tube 5, gaps are disposed between the extrusion plate 3 and the main body 1 and the fixed tube 5, the piston 4 is fixed on the extrusion plate, the buffer components are arranged on one side of the extrusion plate 3 close to the main body 1, and the fixed pipe 5 is positioned between the two buffer components;
the buffer assembly comprises a push rod 6, a fixed block 7, a spring 8 and a mounting hole, the push rod 6 is parallel to the fixed pipe 5, the mounting hole and the push rod 6 are coaxially arranged, the diameter of the mounting hole is equal to the diameter of the push rod 6, the push rod 6 penetrates through the mounting hole, the push rod 6 is in sliding and sealing connection with the inner wall of the mounting hole, one end of the push rod 6 is fixed on the extrusion plate 3, the fixed block 7 is fixed at the other end of the push rod 6, and one side, close to the extrusion plate 3, of the fixed block 7 is connected with the inner wall, close to the extrusion plate 3, of the main body 1 through the spring 8;
when this equipment falls, when one of them side all around of main part 1 contacts to earth earlier, make the extrusion dish with ground contact drive piston 4 and remove in fixed pipe 5, thereby make the air extrusion in the fixed pipe 5 to main part 1 in, and make the air in the main part 1 discharge from the venthole, and simultaneously, the removal of stripper plate 3 drives push rod 6 and removes, and make spring 8 tensile, realize buffering and damping effect through spring 8's elastic action, reduce the vibration effort that display screen 2 received, and simultaneously, through the counter action force who discharges the production with the air from the venthole, make main part 1 one side all around after with ground striking, can increase main part 1's bottom under the counter action of air current and turn to ground, avoid display screen 2 and subaerial object to take place the striking, promote display screen 2's protective effect.
As shown in fig. 4, the heat dissipation mechanism includes a connection box 9, a power rod 10, a moving plate 11, a heat dissipation ring 12 and two heat conduction rods 13, the connection box 9 is cylindrical, the connection box 9, the heat dissipation ring 12, the moving plate 11 and the power rod 10 are all coaxially disposed with a fixed pipe 5, the fixed pipe 5 is located between a squeezing plate 3 and the connection box 9, the connection box 9 is fixed on the inner wall of a main body 1, the moving plate 11 is disposed in the connection box 9, the diameter of the moving plate 11 is equal to the inner diameter of the connection box 9, the moving plate 11 is slidably and hermetically connected with the inner wall of the connection box 9, gaps are respectively provided between the moving plate 11 and the inner walls of both sides of the connection box 9, the power rod 10 is located between a piston 4 and the connection box 9, the diameter of the power rod 10 is smaller than the inner diameter of the fixed pipe 5, a through hole is provided on one side of the connection box 9 close to the power rod 10, the other side of the connecting box 9 is provided with an exhaust hole, the aperture of the through hole is equal to the diameter of the power rod 10 and is smaller than the diameter of the moving plate 11, the power rod 10 penetrates through the through hole, the power rod 10 is connected with the inner wall of the through hole in a sliding and sealing manner, one end of the power rod 10 is fixed on the piston 4, the other end of the power rod 10 is fixed on the moving plate 11, the power rod 10 is positioned between the two radiating rods, the heat conducting rod 13 is vertical to the top of the main body 1, the heat conducting rods 13 respectively penetrate through the connecting box 9 and the main body 1, the heat conducting rods 13 are respectively connected with the main body 1 and the connecting box 9 in a sealing and fixing manner, one end of one heat conducting rod 13 far away from the power rod 10 and the bottom of the main body 1 are positioned on the same plane, one end of the other heat conducting rod 13 far away from the power rod 10 is connected with one, the inner diameter of the heat dissipation ring 12 is larger than the diameter of the power rod 10, the heat dissipation ring 12 is located in the connecting box 9, the heat dissipation ring 12 is arranged on one side, close to the power rod 10, of the moving disc 11, the power rod 10 penetrates through the heat dissipation ring 12, and one end, close to the power rod 10, of the heat conduction rod 13 is fixed on the heat dissipation ring 12.
During the use of the equipment, the user holds two non-adjacent stripper plates 3, thereby make stripper plate 3 drive piston 4 move towards being close to connecting box 9 direction in fixed pipe 5, the removal of piston 4 drives the frisbee 11 through power rod 10 and moves towards keeping away from fixed pipe 5 direction, thereby make the atmospheric pressure that is close to power rod 10 one side of the interior frisbee 11 of connecting box 9 reduce, absorb the heat on the display screen 2 through the heat conduction pole 13 that is close to display screen 2 simultaneously, rethread radiating ring 12 transmission is to keeping away from on the heat conduction pole 13 of display screen 2, discharge the heat from the one end of the raw materials heat conduction pole 13 of the heat conduction pole 13 of keeping away from the display screen 2 at last, realize the heat dissipation, through reducing atmospheric pressure, can make the air temperature that is close to power rod 10 one side of frisbee 11 reduce in the connecting box 9, thereby can promote the radiating effect.
Preferably, in order to improve the protection effect, four buffer blocks 14 are arranged at the top and the bottom of the main body 1, the four buffer blocks 14 are respectively arranged at four corners of the main body 1, and the thickness of the buffer blocks 14 is greater than that of the display screen 2.
When this equipment fell, when the top or the bottom of main part 1 touched ground earlier, can avoid main part 1 direct with striking ground through buffer block 14 to realize the effect of buffering and damping through buffer block 14, here, set up the thickness that buffer block 14 thickness is greater than display screen 2, make and avoid display screen 2 direct striking subaerial, promote the protection effect.
Preferably, in order to reduce the gap between the connection box 9 and the moving plate 11, the inner wall of the connection box 9 is coated with a sealing grease.
The sealing grease is used for reducing the gap between the connecting box 9 and the moving plate 11 and improving the sealing performance.
Preferably, the material of the compression plate 3 is rubber to improve the buffering and vibration damping effects.
The rubber texture is comparatively soft to can reduce the impact force that main part 1 received, promote buffering and damping effect.
Preferably, the squeeze plate 3 is provided with anti-slip threads to avoid slipping.
The anti-slip lines are used for improving the friction force between the hands of a user and the extrusion plate 3 and avoiding slipping.
Preferably, a filter screen is arranged in the air outlet hole for dust prevention.
The filter screen is used for preventing dust from entering the main body 1 through the air outlet hole, so that the dustproof effect is realized.
Preferably, in order to prolong the service life of the fixing pipe 5, the fixing pipe 5 is provided with an anti-corrosion zinc coating.
The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of fixed pipe 5, prolongs the life of fixed pipe 5.
Preferably, the push rod 6 is provided with a chamfer to facilitate the installation of the push rod 6.
The chamfer angle is used for reducing the caliber of the push rod 6 when the push rod passes through the mounting hole, and the effect of convenient mounting is achieved.
Preferably, in order to improve the heat dissipation effect, the bottom of the main body 1 is coated with heat conductive silicone.
The effect of heat conduction silica gel is the heat conductivility of main part 1, promotes the radiating effect.
Preferably, in order to reduce the friction between the push rod 6 and the body 1, the push rod 6 is coated with a lubricating oil.
The lubricating oil is used for reducing the friction force between the push rod 6 and the main body 1 and improving the moving fluency of the push rod 6.
During the use of the device, a user holds two non-adjacent extrusion plates 3, so that the movable plate 11 moves towards the direction far away from the fixed pipe 5, the air pressure of one side, close to the power rod 10, of the inner movable plate 11 of the connecting box 9 is reduced, meanwhile, heat on the display screen 2 is absorbed through the heat conducting rod 13 close to the display screen 2, the heat is transmitted to the heat conducting rod 13 far away from the display screen 2 through the radiating ring 12, finally, the heat is exhausted from one end, away from the raw material heat conducting rod 13, of the display screen 2, the heat radiation is realized, the temperature of air on one side, close to the power rod 10, of the movable plate 11 in the connecting box 9 can be reduced through reducing the air pressure, so that the heat radiation effect can be improved, when the device falls, when one side of the periphery of the main body 1 touches the ground first, the extrusion plate in contact with the ground drives the piston 4 to move in the fixed pipe 5, so, and drive the air in the connecting box 9 and carry to main part 1 from the through hole in, the air in main part 1 is discharged from the venthole this moment, and simultaneously, the removal of stripper plate 3 drives push rod 6 and removes, and make spring 8 tensile, realize buffering and damping effect through the elastic action of spring 8, reduce the vibration effort that display screen 2 received, and simultaneously, through the counter force who discharges the air production from the venthole, make main part 1 one side in all around with the ground striking after, can increase main part 1's bottom under the counter action of air current and turn to ground, avoid display screen 2 and subaerial object to take place the striking, promote the protective effect of display screen 2, and, buffer block 14 through main part 1 top and bottom plate can avoid main part 1 and display screen 2 directly to strike with ground, further promote the protective effect of display screen 2.
Compared with the prior art, this RFID handheld device has realized the radiating function of display screen 2 through heat dissipation mechanism, avoid display screen 2 overheated and damage, the life of display screen 2 has been prolonged, compare with current heat dissipation mechanism, this heat dissipation mechanism not only shifts the heat on display screen 2 through heat conduction pole 13 and radiating ring 12, still make the temperature reduction and realize absorbing the heat on heat conduction pole 13 and the heat conduction ring through the mode that reduces atmospheric pressure, the radiating effect is better, moreover, the function of protection display screen 2 has still been realized through protection mechanism, avoid display screen 2 to break, compare with current protection mechanism, this protection mechanism can reduce the probability that display screen 2 is direct with the ground striking, the protection effect is better.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An RFID handheld device comprises a main body (1) and a display screen (2), wherein the main body (1) is cuboid in shape, the display screen (2) is installed at the top of the main body (1), and a data processing system is arranged in the main body (1), and the RFID handheld device is characterized in that four protection mechanisms are arranged on the main body (1), the protection mechanisms are respectively arranged on four sides of the main body (1), four heat dissipation mechanisms are arranged in the main body (1), and the heat dissipation mechanisms correspond to the protection mechanisms one by one;
the protection mechanism comprises an extrusion plate (3), a piston (4), a fixed pipe (5), a connecting hole, an air outlet and two buffer components, wherein the air outlet is arranged at the top of the main body (1), the extrusion plate (3) is parallel to one side of the main body (1) close to the extrusion plate (3), the fixed pipe (5) is perpendicular to the extrusion pipe, the connecting hole is arranged on the main body (1), the connecting hole is coaxially arranged with the fixed pipe (5), the aperture of the connecting hole is equal to the outer diameter of the fixed pipe (5), the connecting pipe penetrates through the connecting hole, the connecting pipe is sealed and fixedly connected with the inner wall of the connecting hole, the piston (4) is matched with the fixed pipe (5), the piston (4) is installed in the fixed pipe (5), the piston (4) is in sliding and sealing connection with the inner wall of the fixed pipe (5), and gaps are arranged between the extrusion plate (3) and the main body (1) and the fixed pipe (5), the piston (4) is fixed on the extrusion plate (3), the buffer components are arranged on one side of the extrusion plate (3) close to the main body (1), and the fixed pipe (5) is positioned between the two buffer components;
the buffer assembly comprises a push rod (6), a fixing block (7), a spring (8) and a mounting hole, the push rod (6) is parallel to the fixing pipe (5), the mounting hole is coaxially arranged with the push rod (6), the diameter of the mounting hole is equal to that of the push rod (6), the push rod (6) penetrates through the mounting hole, the push rod (6) slides and is in sealing connection with the inner wall of the mounting hole, one end of the push rod (6) is fixed on the extrusion plate (3), the fixing block (7) is fixed at the other end of the push rod (6), and one side, close to the extrusion plate (3), of the fixing block (7) is connected with the inner wall, close to one side of the extrusion plate (3), of the main body (1) through the spring (8);
the heat dissipation mechanism comprises a connecting box (9), a power rod (10), a moving disc (11), a heat dissipation ring (12) and two heat conduction rods (13), the connecting box (9) is cylindrical, the connecting box (9), the heat dissipation ring (12), the moving disc (11) and the power rod (10) are coaxially arranged with a fixed pipe (5), the fixed pipe (5) is positioned between a squeezing plate (3) and the connecting box (9), the connecting box (9) is fixed on the inner wall of a main body (1), the moving disc (11) is arranged in the connecting box (9), the diameter of the moving disc (11) is equal to the inner diameter of the connecting box (9), the moving disc (11) is connected with the inner wall of the connecting box (9) in a sliding and sealing mode, gaps are respectively arranged between the moving disc (11) and the inner walls of two sides of the connecting box (9), and the power rod (10) is positioned between a piston (4) and the connecting box (9), the diameter of the power rod (10) is smaller than the inner diameter of the fixed pipe (5), one side of the connecting box (9) close to the power rod (10) is provided with a through hole, the other side of the connecting box (9) is provided with an exhaust hole, the diameter of the through hole is equal to that of the power rod (10) and is smaller than that of the moving plate (11), the power rod (10) penetrates through the through hole, the power rod (10) is connected with the inner wall of the through hole in a sliding and sealing mode, one end of the power rod (10) is fixed on the piston (4), the other end of the power rod (10) is fixed on the moving plate (11), the power rod (10) is located between the two radiating rods, the heat conducting rod (13) is perpendicular to the top of the main body (1), the heat conducting rod (13) penetrates through the connecting box (9) and the main body (1) respectively, and the heat conducting rod (13) is connected with the main body (1) and the connecting box (9, among two heat conduction poles (13), the one end of keeping away from power pole (10) of one of them heat conduction pole (13) is in the coplanar with the bottom of main part (1), and the one end of keeping away from power pole (10) of another heat conduction pole (13) is connected with the one side that is close to main part (1) of display screen (2), the internal diameter of heat dissipation ring (12) is greater than the diameter of power pole (10), heat dissipation ring (12) are located connecting box (9), heat dissipation ring (12) set up the one side that is close to power pole (10) in movable disk (11), power pole (10) pass heat dissipation ring (12), the one end that is close to power pole (10) of heat conduction pole (13) is fixed on heat dissipation ring (12).
2. The RFID handset according to claim 1, wherein the body (1) is provided with four buffer blocks (14) at the top and bottom thereof, the four buffer blocks (14) are respectively provided at four corners of the body (1), and the thickness of the buffer blocks (14) is greater than that of the display screen (2).
3. RFID handset as claimed in claim 1, characterized in that the inner wall of the connection box (9) is coated with a sealing grease.
4. RFID handset as claimed in claim 1, characterized in that the material of which the pressing plate (3) is made is rubber.
5. RFID handset as claimed in claim 1, characterized in that the press plate (3) is provided with an anti-slip texture.
6. The RFID handheld device of claim 1, wherein a filter screen is disposed within the exit aperture.
7. The RFID hand-held device according to claim 1, characterized in that the fixing tube (5) is provided with an anti-corrosion zinc coating.
8. RFID handset as claimed in claim 1, characterized in that the push rod (6) is provided with a chamfer.
9. The RFID handset according to claim 1, wherein the bottom of the body (1) is coated with a thermally conductive silicone.
10. RFID handset according to claim 1, wherein the push rod (6) is coated with a lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848472.5A CN110610217A (en) | 2019-09-09 | 2019-09-09 | RFID handheld device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910848472.5A CN110610217A (en) | 2019-09-09 | 2019-09-09 | RFID handheld device |
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| Publication Number | Publication Date |
|---|---|
| CN110610217A true CN110610217A (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910848472.5A Withdrawn CN110610217A (en) | 2019-09-09 | 2019-09-09 | RFID handheld device |
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| Country | Link |
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| CN (1) | CN110610217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337716A (en) * | 2020-04-17 | 2020-06-26 | 南京新捷中旭微电子有限公司 | Hall current sensor with buffer function |
-
2019
- 2019-09-09 CN CN201910848472.5A patent/CN110610217A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337716A (en) * | 2020-04-17 | 2020-06-26 | 南京新捷中旭微电子有限公司 | Hall current sensor with buffer function |
| CN111337716B (en) * | 2020-04-17 | 2022-04-01 | 南京新捷中旭微电子有限公司 | Hall current sensor with buffer function |
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Application publication date: 20191224 |