CN114923092A - Multifunctional temperature testing device based on RFID + NFC dual-frequency acquisition technology - Google Patents
Multifunctional temperature testing device based on RFID + NFC dual-frequency acquisition technology Download PDFInfo
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- CN114923092A CN114923092A CN202210546404.5A CN202210546404A CN114923092A CN 114923092 A CN114923092 A CN 114923092A CN 202210546404 A CN202210546404 A CN 202210546404A CN 114923092 A CN114923092 A CN 114923092A
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- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a multifunctional temperature testing device based on RFID + NFC double-frequency acquisition technology, which comprises a protective frame, wherein temperature testing equipment is fixedly installed in the protective frame, a protective top plate is fixedly welded at the top end of the protective frame, elastic protective cloth is connected to the bottom end surface of the protective top plate through screws, a connecting plate is connected to the bottom end of the elastic protective cloth through screws, a first magnetic plate is fixedly connected to the connecting plate, the device is provided with the elastic protective cloth and a damping cylinder, the temperature testing equipment can be stably damped and protected by the damping cylinder and a damping spring in the working and moving processes, and after the temperature testing equipment is finished, a worker can drive the elastic protective cloth to conveniently and stably stretch and protect the temperature testing equipment only by pulling the protective top plate downwards, so that the stability and the safety of the temperature testing equipment in an idle state can be ensured, the use diversity and the safety of the device are increased.
Description
Technical Field
The invention relates to the technical field of RFID and NFC, in particular to a multifunctional temperature testing device based on RFID + NFC double-frequency acquisition technology.
Background
RFID's application is very extensive, typical application has the animal wafer, car wafer alarm, entrance guard's control, parking area control, production line automation, material management etc, along with the continuous development of scientific technology, give the wireless temperature acquisition instrument of radio frequency identification count and obtain extensive application in the life, the sensor through radio frequency identification technique obtains the energy with wireless mode from the host computer, simultaneously through the wireless interaction of standard with the temperature data passback, combine with NFC complex dual-frenquency collection technique, can further improve the accuracy and the stability of temperature acquisition work.
Although the conventional temperature testing device has the RFID + NFC dual-frequency acquisition technology, the conventional temperature testing device has single functionality in the actual use process, can only perform simple fixed placement work, cannot perform convenient switching movement and placement state, and further cannot guarantee the stability and convenience of the temperature testing device in different working areas, and meanwhile, the conventional temperature testing device cannot perform convenient and stable damping protection and isolation protection work on the conventional temperature testing device in the working process, so that the practicability and the safety are poor.
Therefore, we propose a multifunctional temperature testing device based on RFID + NFC dual-frequency acquisition technology in order to solve the problems proposed in the above.
Disclosure of Invention
The invention aims to provide a multifunctional temperature testing device based on an RFID + NFC dual-frequency acquisition technology, and aims to solve the problems that the conventional temperature testing device in the market is single in functionality and poor in usability and safety in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multi-functional temperature testing arrangement based on RFID + NFC dual-frenquency collection technique, includes the protective frame, the installation is fixed with temperature test equipment in the protective frame, the top welded fastening of protective frame has the protection roof, the screw connection has elasticity protection cloth on the bottom face of protection roof, the bottom screw connection of elasticity protection cloth has the linkage plate, the first magnetic sheet of fixedly connected with on the linkage plate, the bottom fixedly connected with second magnetic sheet of protective frame.
Preferably, welded fastening has connecting sleeve, a damping section of thick bamboo and damping spring on the bottom face of protective frame, connecting sleeve and damping spring all overlap and establish on the damping section of thick bamboo, the equal welded fastening in bottom of damping section of thick bamboo and damping spring is on a fixed section of thick bamboo, the spacing sliding connection of connecting sleeve is on a fixed section of thick bamboo, the bottom welded fastening of a fixed section of thick bamboo has unable adjustment base.
Preferably, the cross section of the protection top plate is arc-shaped, the length of the protection top plate and the width of the elastic protection cloth are both larger than the width of the temperature testing equipment, the first magnetic plate is fixed in the middle of the connection plate, and the second magnetic plate is fixed in the middle of the bottom of the protection frame.
Preferably, the inner diameter of the connecting sleeve is larger than the diameter of the fixed cylinder, the length of the connecting sleeve is larger than that of the damping cylinder, and the damping cylinder is fixed in the middle of the bottom of the protection frame.
Preferably, install the universal wheel on unable adjustment base's the bottom face, welded fastening has servo motor in the solid fixed cylinder, servo motor's output is connected with the threaded rod, threaded connection has the bracing piece on the threaded rod, the spacing sliding connection of bracing piece is on unable adjustment base.
Preferably, the universal wheels are distributed on the bottom end face of the fixed base at equal angles, the threaded rod is connected to the central part of the supporting rod, and the central axis of the supporting rod and the central axis of the fixed base are located on the same vertical central line.
Compared with the prior art, the invention has the beneficial effects that: the multifunctional temperature testing device based on the RFID + NFC double-frequency acquisition technology;
1. the device is provided with universal wheels and supporting rods, the supporting rods can be driven to move upwards or downwards through the threaded rods by the aid of driving of the servo motors, so that the working height of the temperature testing equipment can be conveniently adjusted, and when the working position of the temperature testing equipment needs to be changed, the supporting rods only need to be driven to move upwards to be separated from the ground, the temperature testing equipment can be driven to move conveniently and stably by the aid of the universal wheels on the fixed base, and use diversity and convenience of the temperature testing equipment are effectively improved;
2. the device is provided with an elastic protection cloth and a damping cylinder, the temperature test equipment is in work and removal process, the damping cylinder and a damping spring are utilized to perform stable damping protection work on the temperature test equipment, and the temperature test equipment is after work, a worker only needs to downwards stimulate a protection top plate to drive the elastic protection cloth to perform convenient and stable extension protection work on the temperature test equipment, and then the stability and safety of the idle state of the temperature test equipment can be ensured, and the use diversity and safety of the device are increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of a second magnetic plate according to the present invention;
FIG. 3 is a schematic view of a threaded rod according to the present invention;
FIG. 4 is a schematic top view of the fixing base of the present invention.
In the figure: 1. a protective frame; 2. temperature testing equipment; 3. a protective roof; 4. an elastic protective cloth; 5. a connector tile; 6. a first magnetic plate; 7. a second magnetic plate; 8. a connecting sleeve; 9. a damping cylinder; 10. a damping spring; 11. a fixed cylinder; 12. a fixed base; 13. a universal wheel; 14. a servo motor; 15. a threaded rod; 16. a support rod.
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. 1-4, the present invention provides a technical solution: the utility model provides a multi-functional temperature test device based on RFID + NFC dual-frenquency collection technique, includes protecting frame 1, and the installation is fixed with temperature test equipment 2 in the protecting frame 1, and the top welded fastening of protecting frame 1 has protection roof 3, and the screw connection has elasticity protection cloth 4 on the bottom face of protection roof 3, and the bottom screw connection of elasticity protection cloth 4 has linkage plate 5, and fixedly connected with first magnetic sheet 6 on the linkage plate 5, the bottom fixedly connected with second magnetic sheet 7 of protecting frame 1.
Welded fastening has connecting sleeve 8 on the bottom face of protection frame 1, damping cylinder 9 and damping spring 10, connecting sleeve 8 and damping spring 10 all overlap and establish on damping cylinder 9, damping cylinder 9 and damping spring 10's bottom is all welded fastening on solid fixed cylinder 11, the spacing sliding connection of connecting sleeve 8 is on solid fixed cylinder 11, gu fixed cylinder 11's bottom welded fastening has unable adjustment base 12, connecting sleeve 8's internal diameter is greater than gu fixed cylinder 11's diameter, connecting sleeve 8's length is greater than the length of damping cylinder 9, damping cylinder 9 is fixed at the bottom middle part of protection frame 1, can guarantee damping cylinder 9 on protection frame 1 operating condition's stability, and then can carry out safe and stable shock attenuation protection work to temperature test equipment 2, the safety in utilization of device has been increased.
The cross section of the protection top plate 3 is arc-shaped, the length of the protection top plate 3 and the width of the elastic protection cloth 4 are larger than the width of the temperature testing device 2, the first magnetic plate 6 is fixed in the middle of the connecting plate 5, the second magnetic plate 7 is fixed in the middle of the bottom of the protection frame 1, the protection top plate 3 is utilized to guarantee the stability of the top protection work of the temperature testing device 2, and the use safety and the stability of the temperature testing device 2 can be further improved.
Install universal wheel 13 on unable adjustment base 12's the bottom face, the welding is fixed with servo motor 14 in the solid adjustment barrel 11, servo motor 14's output is connected with threaded rod 15, threaded connection has bracing piece 16 on threaded rod 15, the spacing sliding connection of bracing piece 16 is on unable adjustment base 12, angular distribution such as universal wheel 13 is on unable adjustment base 12's bottom face, threaded rod 15 connects the central point at bracing piece 16, the central axis of bracing piece 16 is located same vertical central line with unable adjustment base 12's the central axis, can guarantee universal wheel 13 operating condition's on unable adjustment base 12 stability, and then can guarantee the convenient and high-efficient of the follow-up removal work of testing arrangement, the use variety of device has been increased.
The working principle is as follows: before the multifunctional temperature testing device based on the RFID + NFC dual-frequency acquisition technology is used, the overall situation of the device needs to be checked firstly, and normal work can be determined;
firstly, with reference to fig. 1-4, when the temperature testing device 2 starts to work, a worker can control to open the servo motor 14 in the fixed cylinder 11, at this time, the servo motor 14 can drive the threaded rod 15 to stably rotate, and under the rotating action of the threaded rod 15, the support rod 16 can be driven to upwards perform stable limited sliding in the fixed base 12 until the support rod 16 moves upwards to be separated from the ground, at this time, the universal wheel 13 at the bottom of the fixed base 12 is in contact with the ground, and then the worker can conveniently and stably adjust the position of the testing device by only pushing the whole device, and in the moving process, the stable damping protection work can be performed on the temperature testing device 2 in the protection frame 1 by matching the damping cylinder 9 and the damping spring 10 inside the connecting sleeve 8;
after the position is moved to a proper position, with reference to fig. 1-4, a worker only needs to control the servo motor 14 to drive the threaded rod 15 to rotate reversely, and under the reverse rotation action of the threaded rod 15, the support rod 16 can be driven to slide downwards in the fixed base 12 in a stable limiting manner until the support rod 16 lifts the whole device, at the moment, the whole device can be stably placed, and the worker can conveniently and efficiently adjust the working height of the testing device by adjusting and controlling the movement length of the support rod 16, so that the stability and accuracy of subsequent temperature testing work are ensured;
and temperature test equipment 2 is after work, combine fig. 1 and fig. 2, the staff only need stimulate protection roof 3 downwards alright drive elasticity protection cloth 4 and stabilize the extension, until first magnetic sheet 6 on protection roof 3 adsorbs with protection frame 1 of protection frame 1 bottom mutually, at this moment under the extension effect of elasticity protection cloth 4, combine protection roof 3 can carry out convenient stable closed protection work to temperature test equipment 2, and then can guarantee temperature test equipment 2 idle state's stability and safety, above is the course of operation of whole device, and the content that does not make detailed description in this description, all belong to the known prior art of professional technical personnel in this field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Claims (6)
1. The utility model provides a multi-functional temperature testing arrangement based on RFID + NFC dual-frenquency collection technique, includes protective frame (1), its characterized in that: the temperature testing device (2) is fixedly arranged in the protection frame (1), a protection top plate (3) is fixedly welded on the top end of the protection frame (1), elastic protection cloth (4) is connected to the bottom end face of the protection top plate (3) through screws, the bottom end of the elastic protection cloth (4) is connected with a connection plate (5) through screws, a first magnetic plate (6) is fixedly connected to the connection plate (5), and a second magnetic plate (7) is fixedly connected to the bottom of the protection frame (1).
2. The multifunctional temperature testing device based on the RFID + NFC dual-frequency acquisition technology of claim 1, wherein: welded fastening has connecting sleeve (8), a damping cylinder (9) and damping spring (10) on the bottom face of protective frame (1), connecting sleeve (8) and damping spring (10) are all established on damping cylinder (9), the equal welded fastening in bottom of damping cylinder (9) and damping spring (10) is on solid fixed cylinder (11), the spacing sliding connection of connecting sleeve (8) is on solid fixed cylinder (11), the bottom welded fastening of solid fixed cylinder (11) has unable adjustment base (12).
3. The multifunctional temperature testing device based on the RFID + NFC dual-frequency acquisition technology of claim 1, wherein: the cross section of the protection top plate (3) is arc-shaped, the length of the protection top plate (3) and the width of the elastic protection cloth (4) are larger than the width of the temperature test equipment (2), the first magnetic plate (6) is fixed in the middle of the connecting plate (5), and the second magnetic plate (7) is fixed in the middle of the bottom of the protection frame (1).
4. The multifunctional temperature testing device based on the RFID + NFC dual-frequency acquisition technology of claim 2, characterized in that: the inner diameter of the connecting sleeve (8) is larger than the diameter of the fixed cylinder (11), the length of the connecting sleeve (8) is larger than that of the damping cylinder (9), and the damping cylinder (9) is fixed in the middle of the bottom of the protection frame (1).
5. The multifunctional temperature testing device based on the RFID + NFC dual-frequency acquisition technology as claimed in claim 3, wherein: install universal wheel (13) on the bottom face of unable adjustment base (12), welding is fixed with servo motor (14) in the solid fixed cylinder (11), the output of servo motor (14) is connected with threaded rod (15), threaded connection has bracing piece (16) on threaded rod (15), the spacing sliding connection of bracing piece (16) is on unable adjustment base (12).
6. The multifunctional temperature testing device based on the RFID + NFC dual-frequency acquisition technology of claim 5, wherein: the universal wheels (13) are distributed on the bottom end face of the fixed base (12) at equal angles, the threaded rod (15) is connected to the center of the supporting rod (16), and the central axis of the supporting rod (16) and the central axis of the fixed base (12) are located on the same vertical central line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546404.5A CN114923092A (en) | 2022-05-18 | 2022-05-18 | Multifunctional temperature testing device based on RFID + NFC dual-frequency acquisition technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210546404.5A CN114923092A (en) | 2022-05-18 | 2022-05-18 | Multifunctional temperature testing device based on RFID + NFC dual-frequency acquisition technology |
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| CN114923092A true CN114923092A (en) | 2022-08-19 |
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| CN202210546404.5A Pending CN114923092A (en) | 2022-05-18 | 2022-05-18 | Multifunctional temperature testing device based on RFID + NFC dual-frequency acquisition technology |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3600971A1 (en) * | 1985-02-08 | 1987-07-16 | Sachtler Filmtech Geraete | Height-adjustable pillar, in particular central pillar for a tripod for receiving a film or television camera |
| CA2613797A1 (en) * | 2007-12-06 | 2009-06-06 | Jack Liu | Electricity-powered apparatus support with a safety device |
| CN110675742A (en) * | 2019-10-07 | 2020-01-10 | 南京理工大学北方研究院 | Magnetic charging electronic information display board based on Internet of things |
| CN212358395U (en) * | 2020-04-28 | 2021-01-15 | 李雪菁 | Building engineering foundation earthquake-resistant structure |
| CN213154892U (en) * | 2020-07-29 | 2021-05-11 | 李春月 | Drawing display device that construction was carried with conveniently |
| CN213632344U (en) * | 2020-12-24 | 2021-07-06 | 山东中熙环境检测服务有限公司 | Intelligent high-precision comprehensive calibrator |
| CN213930210U (en) * | 2020-11-05 | 2021-08-10 | 盘锦宏通达实业有限公司 | Human body induction system |
-
2022
- 2022-05-18 CN CN202210546404.5A patent/CN114923092A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3600971A1 (en) * | 1985-02-08 | 1987-07-16 | Sachtler Filmtech Geraete | Height-adjustable pillar, in particular central pillar for a tripod for receiving a film or television camera |
| CA2613797A1 (en) * | 2007-12-06 | 2009-06-06 | Jack Liu | Electricity-powered apparatus support with a safety device |
| CN110675742A (en) * | 2019-10-07 | 2020-01-10 | 南京理工大学北方研究院 | Magnetic charging electronic information display board based on Internet of things |
| CN212358395U (en) * | 2020-04-28 | 2021-01-15 | 李雪菁 | Building engineering foundation earthquake-resistant structure |
| CN213154892U (en) * | 2020-07-29 | 2021-05-11 | 李春月 | Drawing display device that construction was carried with conveniently |
| CN213930210U (en) * | 2020-11-05 | 2021-08-10 | 盘锦宏通达实业有限公司 | Human body induction system |
| CN213632344U (en) * | 2020-12-24 | 2021-07-06 | 山东中熙环境检测服务有限公司 | Intelligent high-precision comprehensive calibrator |
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