CN110621128B - Heat dissipation type RF handheld terminal with dustproof function - Google Patents

Heat dissipation type RF handheld terminal with dustproof function Download PDF

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Publication number
CN110621128B
CN110621128B CN201910880198.XA CN201910880198A CN110621128B CN 110621128 B CN110621128 B CN 110621128B CN 201910880198 A CN201910880198 A CN 201910880198A CN 110621128 B CN110621128 B CN 110621128B
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China
Prior art keywords
heat dissipation
main body
dustproof
racks
handheld terminal
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CN201910880198.XA
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CN110621128A (en
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董赵卜
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SHENZHEN JINDONGTAI INTELLIGENT TECHNOLOGY CO.,LTD.
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Shenzhen Lightlink Guangtong Technology Co Ltd
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Priority to CN201910880198.XA priority Critical patent/CN110621128B/en
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    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention relates to a heat dissipation type RF handheld terminal with a dustproof function, which comprises a main body and a plurality of control keys, and further comprises a dustproof mechanism and a heat dissipation mechanism, wherein the dustproof mechanism comprises a dustproof plate, a first bearing, a rotating shaft and a transmission assembly, the heat dissipation mechanism comprises a moving assembly and two heat dissipation assemblies, each heat dissipation assembly comprises a connecting rod, a cover plate, a filter screen and two support rods, the dustproof function is realized through the dustproof mechanism, the phenomenon that dust is adhered to the control keys to influence the operation comfort is avoided, and the circulation of air inside and outside the main body is realized through the heat dissipation mechanism, so that the heat dissipation function is realized.

Description

Heat dissipation type RF handheld terminal with dustproof function
Technical Field
The invention relates to the field of radio frequency, in particular to a heat dissipation type RF handheld terminal with a dustproof function.
Background
The RF hand-held terminal equipment is a portable data processing terminal which completes the functions of data acquisition, transmission and the like by utilizing a radio frequency technology.
The control button of the existing RF handheld terminal equipment is generally exposed outside, and no shielding object exists, so that dust is easily adhered to the control button, the cleanliness of the control button is influenced, the operation comfort is influenced, and moreover, the heat dissipation quantity of the internal electronic element of the existing RF handheld terminal equipment is reduced, the internal temperature of a main body is increased, the normal work of the internal electronic element is influenced, and the practicability of the existing RF handheld terminal equipment 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, the heat dissipation type RF handheld terminal with the dustproof function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a heat dissipation type RF handheld terminal with a dustproof function comprises a main body and a plurality of control keys, wherein the control keys are uniformly distributed on one side of the main body, an antenna and a PLC are arranged in the main body, the control keys and the antenna are electrically connected with the PLC, the heat dissipation type RF handheld terminal also comprises a dustproof mechanism and a heat dissipation mechanism, and the dustproof mechanism and the heat dissipation mechanism are both arranged in the main body;
the dustproof mechanism comprises a dustproof plate, a first bearing, a rotating shaft and a transmission assembly, the first bearing is fixed on one side of the main body close to the control key, a through hole is formed in one side of the main body close to the first bearing, one end of the rotating shaft is fixedly connected with the dustproof plate, the dustproof plate is covered on the control key, the other end of the rotating shaft penetrates through the through hole and is arranged inside the main body, the rotating shaft is fixedly connected with an inner ring of the first bearing, the other end of the rotating shaft is connected with the transmission assembly, and the rotating shaft is connected with the heat dissipation mechanism through the transmission assembly;
the heat dissipation mechanism comprises a moving assembly and two heat dissipation assemblies, wherein heat dissipation ports are formed in two sides of the main body, the heat dissipation assemblies correspond to the heat dissipation ports one by one, the two heat dissipation assemblies are respectively arranged on two sides in the main body, the moving assembly is arranged between the two heat dissipation assemblies, the moving assembly is connected with the heat dissipation assemblies, and the transmission assembly is connected with the moving assembly;
the radiator unit includes connecting rod, apron, filter screen and two branches, the one side that is close to the thermovent of main part is equipped with two perforation, perforation and branch one-to-one, the inner wall fixed connection of filter screen and thermovent, the apron lid is established on the filter screen, the one end of two branches respectively with the both ends fixed connection of the one side of apron that is close to the filter screen, the other end of branch passes the inside of perforation setting in the main part, the other end and the connecting rod fixed connection of branch, it is connected with the connecting rod to remove the subassembly.
Preferably, in order to drive the connecting rod to move, the moving assembly comprises a transmission shaft, a gear, two racks and two second bearings, the two second bearings are fixedly connected with the inner walls of the two sides, perpendicular to the heat dissipation port, of the main body respectively, the two ends of the transmission shaft are fixedly connected with the inner rings of the two second bearings respectively, the gear is fixed on the transmission shaft and is coaxially arranged with the transmission shaft, the two racks are arranged above and below the gear respectively, the gear is meshed with the racks, the racks correspond to the connecting rod one to one, and the racks are fixedly connected with the connecting rod.
As preferred, for the moving direction of restriction rack, the removal subassembly still includes two slides, slide and rack one-to-one, the inside at the main part is fixed to the slide, the slide be close to one side of rack and be equipped with the spout, the rack sets up the inside at the spout, the rack matches with the spout, rack and slide sliding connection.
Preferably, in order to avoid the rack from being separated from the slide way, the slide way is a dovetail groove.
Preferably, the gear is coated with grease in order to make the rack move smoothly.
Preferably, for power transmission, the transmission assembly comprises a belt and two driving wheels, the two driving wheels are respectively fixed on the rotating shaft and the transmission shaft, and the two driving wheels are connected through the belt.
As preferred, for the moving direction of restriction branch, radiator unit still includes two lantern rings, the lantern ring and the branch one-to-one, the inside fixed connection of lantern ring and main part, the lantern ring cover is established on branch, branch and lantern ring sliding connection.
Preferably, a sealing ring is provided on a side of the cover plate adjacent to the filter screen to improve sealing performance.
Preferably, in order to facilitate the rotation of the dust-proof plate, a handle is arranged on one side of the dust-proof plate away from the control key.
Preferably, a solar panel is provided on the body to save energy.
The dustproof heat dissipation type RF handheld terminal has the advantages that the dustproof function is achieved through the dustproof mechanism, dust is prevented from being attached to the control keys and affecting operation comfort, the circulation of air inside and outside the main body is achieved through the heat dissipation mechanism, and therefore the heat dissipation function is achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a heat dissipation type RF handheld terminal with a dustproof function according to the present invention;
FIG. 2 is a schematic structural diagram of a heat dissipation mechanism of a heat dissipation type RF handheld terminal with a dustproof function according to the present invention;
fig. 3 is a plan view of a heat dissipation type RF hand-held terminal having a dustproof function of the present invention;
FIG. 4 is a schematic view of a connection structure of a rack and a slide rail of the heat dissipation type RF handheld terminal with a dustproof function according to the present invention;
in the figure: 1. the solar panel comprises a main body, 2 control buttons, 3 a dust guard, 4 rotating shafts, 5 belts, 6 driving wheels, 7 transmission shafts, 8 gears, 9 racks, 10 connecting rods, 11 supporting rods, 12 cover plates, 13 sealing rings, 14 filter screens, 15 lantern rings, 16 slideways, 17 handles and 18 solar panels.
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, the heat dissipation type RF handheld terminal with the dustproof function comprises a main body 1 and a plurality of control keys 2, wherein the control keys 2 are uniformly distributed on one side of the main body 1, an antenna and a PLC are arranged in the main body 1, the control keys 2 and the antenna are electrically connected with the PLC, and the heat dissipation type RF handheld terminal further comprises a dustproof mechanism and a heat dissipation mechanism, and the dustproof mechanism and the heat dissipation mechanism are both arranged in the main body 1;
a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.
This handheld terminal of heat dissipation type RF with dustproof function passes through dustproof mechanism, has realized dirt-proof function, avoids the dust adhesion on control button 2, influences the travelling comfort of operation, through heat dissipation mechanism, has realized the circulation of main part 1 inside and outside air to radiating function has been realized.
As shown in fig. 1 and 3, the dustproof mechanism includes a dustproof plate 3, a first bearing, a rotating shaft 4 and a transmission assembly, the first bearing is fixed on one side of the main body 1 close to the control key 2, a through hole is formed on one side of the main body 1 close to the first bearing, one end of the rotating shaft 4 is fixedly connected with the dustproof plate 3, the dustproof plate 3 is covered on the control key 2, the other end of the rotating shaft 4 passes through the through hole and is arranged inside the main body 1, the rotating shaft 4 is fixedly connected with an inner ring of the first bearing, the other end of the rotating shaft 4 is connected with the transmission assembly, and the rotating shaft 4 is connected with the heat dissipation mechanism through the transmission assembly;
when needs operating equipment, artificially drive dust guard 3 and rotate to the direction of keeping away from control button 2, make control button 2 expose, be convenient for operate, and simultaneously, drive heat dissipation mechanism work through drive assembly, the radiating function is carried out to the equipment during operation has been realized, when not needing the operation, artificially drive dust guard 3 and remove to the direction of being close to control button 2, make dust guard 3 cover control button 2, avoid control button 2 on the adhesion dust, influence the travelling comfort of operation, drive heat dissipation mechanism work simultaneously, make the thermovent plug up, water gets into inside main part 1 when avoiding equipment to be idle, damage equipment.
As shown in fig. 2-3, the heat dissipation mechanism includes a moving component and two heat dissipation components, heat dissipation ports are respectively formed on two sides of the main body 1, the heat dissipation components correspond to the heat dissipation ports one by one, the two heat dissipation components are respectively arranged on two sides in the main body 1, the moving component is arranged between the two heat dissipation components, the moving component is connected with the heat dissipation components, and the transmission component is connected with the moving component;
radiator unit includes connecting rod 10, apron 12, filter screen 13 and two branch 11, one side that is close to the thermovent of main part 1 is equipped with two perforation, perforation and the 11 one-to-one of branch, the inner wall fixed connection of filter screen 13 and thermovent, apron 12 lid is established on filter screen 13, and the one end of two branch 11 respectively with the both ends fixed connection who is close to one side of filter screen 13 of apron 12, the other end of branch 11 passes the perforation setting in the inside of main part 1, the other end and the connecting rod 10 fixed connection of branch 11, it is connected with connecting rod 10 to remove the subassembly.
When using equipment, artificially rotate dust guard 3, make pivot 4 rotate, drive the removal subassembly work through drive assembly, make two connecting rods 10 remove to the direction of keeping away from each other, drive apron 12 through branch 11 and remove to the direction of keeping away from filter screen 13, make filter screen 13 expose, be convenient for get into the inside of main part 1 after the external air of main part 1 passes through the dust removal of filter screen 13, the circulation of main part 1 inside and outside air has been realized, thereby realized carrying out radiating function when equipment is worked, when not needing the use equipment, artificially through rotating dust guard 3, make two apron 12 remove to the direction that is close to filter screen 13, thereby plug up filter screen 13, water gets into inside main part 1 when avoiding equipment to idle, damage equipment.
Preferably, in order to drive the connecting rod 10 to move, the moving assembly comprises a transmission shaft 7, a gear 8, two racks 9 and two second bearings, the two second bearings are fixedly connected with the inner walls of the two sides, perpendicular to the heat dissipation port, of the main body 1 respectively, the two ends of the transmission shaft 7 are fixedly connected with the inner rings of the two second bearings respectively, the gear 8 is fixed on the transmission shaft 7, the gear 8 and the transmission shaft 7 are coaxially arranged, the two racks 9 are arranged above and below the gear 8 respectively, the gear 8 is meshed with the racks 9, the racks 9 correspond to the connecting rods 10 one by one, and the racks 9 are fixedly connected with the connecting rods 10.
When the equipment is used, artificially rotate dust guard 3, make pivot 4 rotate, drive transmission shaft 7 through drive assembly and rotate, make gear 8 rotate, thereby drive rack 9 and remove, make two connecting rods 10 remove to the direction of keeping away from each other, drive apron 12 through branch 11 and remove to the direction of keeping away from filter screen 13, make filter screen 13 expose, the inside that gets into main part 1 after the dust removal of the external air of main part 1 of being convenient for through filter screen 13, the circulation of the interior outside air of main part 1 has been realized, thereby realized carrying out radiating function at equipment during operation.
As shown in fig. 4, the moving assembly further includes two slide ways 16, the slide ways 16 correspond to the racks 9 one by one, the slide ways 16 are fixed inside the main body 1, a sliding groove is formed in one side, close to the rack 9, of the slide way 16, the rack 9 is arranged inside the sliding groove, the rack 9 is matched with the sliding groove, and the rack 9 is connected with the slide ways 16 in a sliding manner.
By arranging the slide way 16, the moving direction of the rack 9 is limited, and meanwhile, a supporting force is provided for the rack 9 under the condition that the moving of the rack 9 is not influenced, so that the stability of the rack 9 in moving is improved.
Preferably, in order to avoid the rack 9 from disengaging from the slideway 16, the slideway is a dovetail groove.
Preferably, in order to make the rack 9 move smoothly, the gear 8 is coated with grease, so that the friction between the gear 8 and the rack 9 is reduced, and the rack 9 moves more smoothly.
Preferably, the transmission assembly includes a belt 5 and two driving wheels 6 for transmitting power, the two driving wheels 6 are respectively fixed on the rotating shaft 4 and the transmission shaft 7, and the two driving wheels 6 are connected through the belt 5.
When the equipment is used, the dust guard 3 is artificially rotated, so that the rotating shaft 4 is rotated to drive the driving wheel 6 fixedly connected with the rotating shaft 4 to rotate, the belt 5 drives the other driving wheel 6 to rotate, the gear 8 is rotated, the heat dissipation mechanism works, and the function of dissipating heat in the main body 1 is realized.
Preferably, in order to limit the moving direction of the supporting rod 11, the heat dissipation assembly further comprises two lantern rings 15, the lantern rings 15 correspond to the supporting rod 11 one by one, the lantern rings 15 are fixedly connected with the inside of the main body 1, the lantern rings 15 are sleeved on the supporting rod 11, and the supporting rod 11 is connected with the lantern rings 15 in a sliding mode.
By arranging the collar 15, the moving direction of the strut 11 is limited, and the stability of the strut 11 during moving is improved.
Preferably, a sealing ring 14 is provided on the cover plate 12 on the side close to the screen 13 to improve the sealing performance.
By arranging the sealing ring 14, the sealing performance of the main body 1 is improved, and the influence of water inflow in the main body 1 on the normal work of electronic elements in the main body 1 is avoided.
Preferably, in order to facilitate the rotation of the dust-proof plate 3, a handle 17 is provided on a side of the dust-proof plate 3 away from the control key 2.
Preferably, a solar panel 18 is provided on the main body 1 for saving energy.
Solar power generation is carried out through the solar panels 18, electric energy is provided for equipment to work, and energy is saved.
When the equipment needs to be operated, the dustproof plate 3 is manually driven to rotate towards the direction far away from the control key 2, so that the control key 2 is exposed and is convenient to operate, meanwhile, the driving wheel 6 fixedly connected with the rotating shaft 4 is driven to rotate, the other driving wheel 6 is driven to rotate through the belt 5, the gear 8 is driven to rotate, so that the rack 9 is driven to move, the two connecting rods 10 are driven to move towards the direction far away from each other, the cover plate 12 is driven to move towards the direction far away from the filter screen 13 through the supporting rod 11, so that the filter screen 13 is exposed, the air outside the main body 1 can conveniently enter the inside of the main body 1 after being dedusted by the filter screen 13, the circulation of the air inside and outside the main body 1 is realized, thereby the function of heat dissipation is realized when the equipment works, when the equipment does not need to be operated, the dustproof plate 3 is, avoid adhesion dust on the control button 2, influence the travelling comfort of operation, make two apron 12 remove to the direction that is close to filter screen 13 simultaneously to plug up filter screen 13, inside water got into main part 1 when avoiding equipment to idle, damaged equipment.
Compared with the prior art, this handheld terminal of heat dissipation type RF with dustproof function passes through dustproof mechanism, dustproof function has been realized, avoid the dust adhesion on control button 2, influence the travelling comfort of operation, through heat dissipation mechanism, the circulation of main part 1 inside and outside air has been realized, thereby radiating function has been realized, compare with current mechanism, this mechanism is only at operating device during operation, the work of dispelling the heat, thereby dustproof and radiating integral type linkage has been realized, inside water got into main part 1 when avoiding equipment to idle, damage equipment.
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. A heat dissipation type RF handheld terminal with a dustproof function comprises a main body (1) and a plurality of control keys (2), wherein the control keys (2) are uniformly distributed on one side of the main body (1), an antenna and a PLC are arranged in the main body (1), the control keys (2) and the antenna are electrically connected with the PLC, and the heat dissipation type RF handheld terminal is characterized by further comprising a dustproof mechanism and a heat dissipation mechanism, wherein the dustproof mechanism and the heat dissipation mechanism are arranged inside the main body (1);
the dustproof mechanism comprises a dustproof plate (3), a first bearing, a rotating shaft (4) and a transmission assembly, wherein the first bearing is fixed on one side, close to the control key (2), of the main body (1), a through hole is formed in one side, close to the first bearing, of the main body (1), one end of the rotating shaft (4) is fixedly connected with the dustproof plate (3), the dustproof plate (3) covers the control key (2), the other end of the rotating shaft (4) penetrates through the through hole and is arranged inside the main body (1), the rotating shaft (4) is fixedly connected with an inner ring of the first bearing, the other end of the rotating shaft (4) is connected with the transmission assembly, and the rotating shaft (4) is connected with the heat dissipation mechanism through the transmission assembly;
the heat dissipation mechanism comprises a moving assembly and two heat dissipation assemblies, wherein heat dissipation ports are formed in two sides of the main body (1), the heat dissipation assemblies correspond to the heat dissipation ports one by one, the two heat dissipation assemblies are respectively arranged on two sides in the main body (1), the moving assembly is arranged between the two heat dissipation assemblies, the moving assembly is connected with the heat dissipation assemblies, and the transmission assembly is connected with the moving assembly;
radiator unit includes connecting rod (10), apron (12), filter screen (13) and two branch (11), the one side that is close to the thermovent of main part (1) is equipped with two perforation, perforation and branch (11) one-to-one, the inner wall fixed connection of filter screen (13) and thermovent, apron (12) lid is established on filter screen (13), the one end of two branch (11) respectively with the both ends fixed connection who is close to one side of filter screen (13) of apron (12), the other end of branch (11) passes the perforation setting in the inside of main part (1), the other end and connecting rod (10) fixed connection of branch (11), it is connected with connecting rod (10) to remove the subassembly.
2. The heat dissipation type RF handheld terminal having a dustproof function according to claim 1, wherein the moving assembly comprises a transmission shaft (7), a gear (8), two racks (9) and two second bearings, the two second bearings are respectively fixedly connected to inner walls of two sides of the main body (1) perpendicular to the heat dissipation port, two ends of the transmission shaft (7) are respectively fixedly connected to inner rings of the two second bearings, the gear (8) is fixed to the transmission shaft (7), the gear (8) and the transmission shaft (7) are coaxially disposed, the two racks (9) are respectively disposed above and below the gear (8), the gear (8) is engaged with the racks (9), the racks (9) correspond to the connecting rods (10) one to one, and the racks (9) are fixedly connected to the connecting rods (10).
3. The heat dissipation type RF handheld terminal with the dustproof function according to claim 2, wherein the moving assembly further comprises two slide ways (16), the slide ways (16) correspond to the racks (9) one by one, the slide ways (16) are fixed inside the main body (1), one side of the slide way (16) close to the racks (9) is provided with a sliding groove, the racks (9) are arranged inside the sliding groove, the racks (9) are matched with the sliding groove, and the racks (9) are slidably connected with the slide ways (16).
4. The heat dissipating RF hand held terminal with a dustproof function as claimed in claim 3, wherein the sliding groove is a dovetail groove.
5. The heat dissipating RF hand terminal with dust prevention function according to claim 4, wherein the gear (8) is coated with grease.
6. The heat dissipation type RF handheld terminal having a dustproof function according to claim 5, wherein the transmission assembly comprises a belt (5) and two driving wheels (6), the two driving wheels (6) are respectively fixed on the rotating shaft (4) and the transmission shaft (7), and the two driving wheels (6) are connected through the belt (5).
7. The heat dissipation type RF handheld terminal with dustproof function according to claim 1, wherein the heat dissipation assembly further comprises two lantern rings (15), the lantern rings (15) correspond to the support rods (11) one by one, the lantern rings (15) are fixedly connected with the inside of the main body (1), the lantern rings (15) are sleeved on the support rods (11), and the support rods (11) are slidably connected with the lantern rings (15).
8. The heat dissipation type RF handheld terminal having a dustproof function as claimed in claim 1, wherein a side of the cover plate (12) adjacent to the filter net (13) is provided with a sealing ring (14).
9. The heat dissipation type RF handheld terminal having a dustproof function according to claim 1, wherein a handle (17) is provided on a side of the dustproof plate (3) away from the control key (2).
10. The heat dissipation type RF handheld terminal having a dustproof function according to claim 1, wherein a solar panel (18) is provided on the main body (1).
CN201910880198.XA 2019-09-18 2019-09-18 Heat dissipation type RF handheld terminal with dustproof function Active CN110621128B (en)

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Application Number Priority Date Filing Date Title
CN201910880198.XA CN110621128B (en) 2019-09-18 2019-09-18 Heat dissipation type RF handheld terminal with dustproof function

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Application Number Priority Date Filing Date Title
CN201910880198.XA CN110621128B (en) 2019-09-18 2019-09-18 Heat dissipation type RF handheld terminal with dustproof function

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CN110621128B true CN110621128B (en) 2021-06-29

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CN113301744A (en) * 2021-05-21 2021-08-24 安徽长安通信有限公司 High-definition digital transmission equipment suitable for mobile communication

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DE4331864A1 (en) * 1993-09-20 1995-03-23 Heidelberger Druckmasch Ag Housing for an electrical system for controlling or regulating operations
CN109407756A (en) * 2018-09-13 2019-03-01 郑州天舜电子技术有限公司 A kind of convenient display dust guard
CN209297964U (en) * 2018-11-30 2019-08-23 鸿基通信股份有限公司 A kind of 5G communication intelligent terminal device
CN109600974A (en) * 2018-12-14 2019-04-09 李峰 A kind of novel intelligent home controller mounting structure
CN109606078A (en) * 2019-01-22 2019-04-12 深圳市奈士迪技术研发有限公司 A kind of new-energy automobile of the high reliablity with sun-screening function
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Effective date of registration: 20220126

Address after: 518000 3rd Floor, 3rd Building, Shiyan Tangtou Third Industrial Zone, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province

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