CN109686282B - Public safety early warning device based on thing networking - Google Patents
Public safety early warning device based on thing networking Download PDFInfo
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- CN109686282B CN109686282B CN201910054303.4A CN201910054303A CN109686282B CN 109686282 B CN109686282 B CN 109686282B CN 201910054303 A CN201910054303 A CN 201910054303A CN 109686282 B CN109686282 B CN 109686282B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
- G09F27/004—Displays including an emergency or alarm message
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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- Illuminated Signs And Luminous Advertising (AREA)
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Abstract
The utility model provides a public safety early warning device based on thing networking, including two risers, through a horizontally fixed plate fixed connection between two riser tops, two risers are located the both sides of fixed plate respectively, the ring channel is seted up to the fixed plate top surface, the ring channel fit in is equipped with several sliders, through first ring gear fixed connection between several slider tops, fixed plate top surface center movable mounting has the first gear of motor, the both sides cooperation of first gear respectively are equipped with the second gear, two second gears are with the centre of a circle symmetric distribution of first gear, the second gear can cooperate with first gear engagement, the rotation axis of second gear can with fixed plate top surface swing joint. The device can be moved to different positions in the scenic spot according to the needs, namely the adjustment can be carried out according to different visiting numbers in the scenic spot, and after the device is moved, the attention of the tourists is attracted through the rotation and gong sound of the two connecting plates, so that the tourists can watch the safe attention video played in the display.
Description
Technical Field
The invention belongs to the technical field of public safety management, and particularly relates to a public safety early warning device based on the Internet of things.
Background
Along with the improvement of living standard, on holidays, residents in China start to travel, the number of people in scenic spots is too many, dangerous events such as trampling are easy to occur, although safety prompts exist in the scenic spots, the prompting form is single, tourists cannot be attracted to pay attention, and the public safety early warning device is similar to a virtual form, so that the public safety early warning device based on the Internet of things is needed.
Disclosure of Invention
The invention provides a public safety early warning device based on the Internet of things, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a public safety early warning device based on the Internet of things comprises two vertical plates, the top ends of the two vertical plates are fixedly connected through a horizontal fixing plate, the two vertical plates are respectively positioned on two sides of the fixing plate, the top surface of the fixing plate is provided with an annular groove, a plurality of sliding blocks are arranged in the annular groove in a matched mode, the top ends of the plurality of sliding blocks are fixedly connected through a first gear ring, a first gear with a motor is movably installed in the center of the top surface of the fixing plate, two sides of the first gear are respectively matched with a second gear, the two second gears are symmetrically distributed in the center of the first gear in a matched mode, the second gear can be meshed with the first gear, the rotating shaft of the second gear can be movably connected with the top surface of the fixing plate, the second gear is positioned in the first gear ring, the second gear can be meshed with the first gear ring in a matched mode, connecting rod groups are, two groups of connecting rod groups are symmetrically distributed around the circle center of the first gear ring, two connecting rods in each group of connecting rod groups are respectively positioned at the front end and the rear end of the first gear ring, the two opposite ends of the two groups of connecting rod groups and the first gear ring are respectively and fixedly provided with a horizontal connecting plate, two sides of the bottom surface of each connecting plate are respectively and fixedly provided with a vertical plate, the opposite surfaces of the two vertical plates connected with one connecting plate are respectively and hinged with a knocking rod, the bottom surface of each connecting plate is movably provided with a two-sided gong, the knocking rod is positioned between the two-sided gongs, the bottom surface of each connecting plate is movably provided with a rotating shaft with a motor, two sides of the bottom end of each rotating shaft are respectively and fixedly connected with one end of a fixed rod, the two fixed rods are symmetrically distributed around the circle center of the rotating shaft, the opposite ends of the two fixed rods are respectively, the bottom end of each vertical plate is movably provided with a universal wheel, the top surface of each connecting plate is fixedly provided with a display, the opposite surfaces of the two vertical plates are respectively and fixedly provided with a vertical second gear ring, the opposite surfaces of the two vertical plates are respectively and movably provided with a rotating shaft with a motor, the rotating shaft and the second gear ring are concentrically arranged, the opposite ends of the two rotating shafts are respectively and fixedly provided with a connecting rod, one end of each connecting rod is movably provided with a third gear, the third gear can be meshed and matched with the second gear ring, the opposite surfaces of the two third gears are respectively and movably provided with a convex block, the opposite surfaces of the two vertical plates are respectively provided with a group of guide slots, each group of guide slots consists of two vertical guide slots, two guide slots in each group of guide slots are respectively positioned at the front end and the rear end of the second gear ring, each guide slot is internally provided with a guide block in a matching way, and the, two rectangular pieces are located between two second gear rings, and the back of the body of two rectangular pieces is equallyd divide and is do not seted up rectangular groove, and every lug can insert to a rectangular inslot that corresponds, through even board fixed connection of a horizontally between two rectangular pieces, even board bottom surface four corners is equallyd divide and is do not the vertical bracing piece of fixed mounting, every bracing piece bottom movable mounting gyro wheel.
According to the public safety early warning device based on the Internet of things, the two vertical plates fixedly connected with the same connecting plate are fixedly connected through the horizontal plate, the horizontal plate is located below the gong, and the bottom end of each gong is fixedly connected with the top surface of the horizontal plate through the elastic rope.
As above a public safety early warning device based on thing networking, first ring gear top surface both sides vertical branch of fixed mounting respectively, through a slogan board fixed connection between two spinal branch tops, write safe slogan on the slogan board.
According to the public safety early warning device based on the Internet of things, the section of the guide groove is in a dovetail shape, and the section of one end, inserted into the guide groove, of the guide block is in the dovetail shape.
According to the public safety early warning device based on the Internet of things, the anti-skid pad is fixedly installed at the bottom end of the vertical plate.
According to the public safety early warning device based on the Internet of things, the section of the annular groove is dovetail-shaped, and the section of the sliding block is dovetail-shaped.
The invention has the advantages that: the motor of the rotating shaft drives the rotating shaft to rotate, the rotating shaft is fixedly connected with the connecting rod, the connecting rod is movably connected with the third gear, the connecting rod is driven, the third gear does circular motion by taking the rotating shaft as the center, the third gear is meshed and matched with the second gear, a lug is movably arranged on the third gear and is inserted into the strip groove, the third gear drives the lug to move and synchronously drives the strip block to move downwards, the strip block is fixedly connected with the connecting plate, the supporting rod is arranged on the bottom surface of the connecting plate, the roller is movably arranged at the bottom end of the supporting rod and is contacted with the ground, the vertical plate is separated from the ground, at the moment, the fixing plate can be pushed to move, the device is moved to a required position of a scenic spot, after the movement is finished, the rotating shaft reversely rotates, the strip block is driven to move upwards, the connecting plate, the supporting rod and the roller move upwards, the roller is separated, the first gear is engaged with the second gear to drive the second gear to rotate, the second gear is engaged with the first gear ring to drive the first gear ring to rotate, the first gear ring is fixedly connected with the connecting rod groups to drive the two groups of connecting rod groups to do circular motion by taking the circle center of the first gear ring as the center, the connecting rods in the connecting rod groups are fixedly connected with the connecting plates to further drive the connecting plates to rotate, when the connecting plates rotate by taking the fixing plates as the center, the motor of the rotating shaft works, the rotating shaft is fixedly connected with the fixing rods, the rotating shaft can enable the rotating shaft to rotate to drive the fixing rods to repeatedly swing by taking the rotating shaft as the center, the fixing rods are fixedly connected with the inserting rods, the bottom ends of the inserting rods are inserted into the grooves, the knocking rods are hinged with the vertical plates to drive the two knocking rods under the same connecting plate to respectively swing in a staggered manner and respectively knock on two sides under the same connecting plate in a staggered, and carrying out safety early warning on the tourists in the scenic spots. The device can be moved to different positions in the scenic spot according to the needs, namely the adjustment can be carried out according to different visiting numbers in the scenic spot, and after the device is moved, the attention of the tourists is attracted through the rotation and gong sound of the two connecting plates, so that the tourists can watch the safe attention video played in the display, and the safety is improved. The vertical plate can be more convenient to move through the universal wheels.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view of A of FIG. 1; FIG. 3 is a view of B of FIG. 1; FIG. 4 is a view toward C of FIG. 1; fig. 5 is a view in the direction D of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
A public safety early warning device based on the Internet of things comprises two vertical plates 1, the top ends of the two vertical plates 1 are fixedly connected through a horizontal fixing plate 2, the two vertical plates 1 are respectively positioned at two sides of the fixing plate 2, an annular groove 3 is formed in the top surface of the fixing plate 2, a plurality of sliding blocks 4 are arranged in the annular groove 3 in a matching manner, the top ends of the plurality of sliding blocks 4 are fixedly connected through a first gear ring 5, a first gear 6 with a motor is movably installed in the center of the top surface of the fixing plate 2, the motor of the first gear 6 is installed on the top surface of the fixing plate 2, second gears 7 are respectively arranged at two sides of the first gear 6 in a matching manner, the two second gears 7 are symmetrically distributed around the center of the first gear 6, the second gears 7 can be meshed and matched with the first gear 6, the rotating shaft of the second gears 7 can be movably connected with the top surface, the second gear 7 can be meshed and matched with the first gear ring 5, two sides of the first gear ring 5 are respectively fixedly provided with a connecting rod group 8, each connecting rod group 8 consists of two horizontal connecting rods, the two connecting rod groups 8 are symmetrically distributed in the circle center of the first gear ring 5, the two connecting rods in each connecting rod group 8 are respectively positioned at the front end and the rear end of the first gear ring 5, the opposite ends of the two connecting rod groups 8 and the first gear ring 5 are respectively fixedly provided with a horizontal connecting plate 9, two sides of the bottom surface of each connecting plate 9 are respectively fixedly provided with a vertical plate 10, the opposite surfaces of the two vertical plates 10 connected with one connecting plate 9 are respectively hinged with a knocking rod 11, the bottom surface of each connecting plate 9 is movably provided with two-surface gongs 12, the knocking rod 11 is positioned between the two-surface gongs 12, a rotating shaft 13 with a motor is movably arranged at the bottom surface of each connecting plate 9, the motor of the rotating shaft 13 is arranged at two sides of the bottom, the two fixing rods 14 are symmetrically distributed around the center of the rotating shaft 13, vertical inserting rods 15 are fixedly mounted at the opposite ends of the two fixing rods 14, a groove 16 is formed at the top end of each knocking rod 11, the bottom end of each inserting rod 15 can be inserted into one groove 16, universal wheels 17 are movably mounted at the bottom ends of the vertical plates 10 of the gongs 12 on the two sides of the two knocking rods 11 below the same connecting plate 9 in a staggered mode, a display 18 is fixedly mounted on the top surface of each connecting plate 9, and a safe propaganda video is played in the display 18; the opposite surfaces of the two vertical plates 1 are fixedly provided with vertical second gear rings 19 respectively, the opposite surfaces of the two vertical plates 1 are movably provided with rotating shafts 20 with motors respectively, the motors of the rotating shafts 20 are arranged on the inner side surfaces of the vertical plates 1, the rotating shafts 20 and the second gear rings 19 are concentrically arranged, the opposite ends of the two rotating shafts 20 are fixedly provided with connecting rods 21 respectively, one end of each connecting rod 21 is movably provided with a third gear 22, the third gear 22 can be meshed and matched with the second gear rings 19, the opposite surfaces of the two third gears 22 are movably provided with lugs 23 respectively, the opposite surfaces of the two vertical plates 1 are provided with a group of guide grooves 24 respectively, each group of guide grooves 24 is composed of two vertical guide grooves, two guide grooves in each group of guide grooves 24 are respectively positioned at the front and rear ends of the second gear rings 19, each guide groove is internally provided with a guide block 25 in a matching manner, and the guide blocks in the same group of guide grooves 24 are fixedly connected, two rectangular pieces 26 are located between two second ring gears 19, and rectangular groove 30 is do not seted up to two back of the body face of rectangular piece 26, and every lug 23 can insert to a corresponding rectangular groove 30 in, through a horizontally even board 31 fixed connection between two rectangular pieces 26, even board 31 bottom surface four corners is equallyd divide and is do not fixed mounting vertical bracing piece 32, every bracing piece 32 bottom movable mounting gyro wheel 33. The motor of the rotating shaft 20 works to drive the rotating shaft to rotate, the rotating shaft 20 is fixedly connected with the connecting rod 21, the connecting rod 21 is movably connected with the third gear 22 to drive the connecting rod 21 and the third gear 22 to do circular motion by taking the rotating shaft as a center, the third gear 22 is meshed with the second gear ring 19 to be matched, the lug 23 is movably arranged on the third gear 22, the lug 23 is inserted into the strip groove 30, the third gear 22 drives the lug 23 to move and synchronously drives the strip block 26 to move downwards, the strip block 26 is fixedly connected with the connecting plate 31, the supporting rod 32 is arranged on the bottom surface of the connecting plate 31, the roller 33 is movably arranged at the bottom end of the supporting rod 32 to contact with the ground, the vertical plate 1 is separated from the ground, at the moment, the fixing plate 2 can be pushed to move to a required position of a scenic spot, after the movement is finished, the rotating shaft rotates reversely, the strip, The roller 33 moves upwards, the roller 33 is separated from the ground, the vertical plate 1 is contacted with the bottom surface, then the motor of the first gear 6 works to drive the first gear 6 to rotate, the first gear 6 is meshed and matched with the second gear 7 to drive the second gear 7 to rotate, the second gear 7 is meshed and matched with the first gear ring 5 and drives the first gear ring 5 to rotate, the first gear ring 5 is fixedly connected with the connecting rod groups 8 to drive the two groups of connecting rod groups 8 to do circular motion by taking the circle center of the first gear ring 5 as the center, the connecting rods in the connecting rod groups 8 are fixedly connected with the connecting plate 9 to further drive the connecting plate 9 to rotate, when the connecting plate 9 rotates by taking the fixed plate 2 as the center, the motor of the rotating shaft 13 works, the rotating shaft 13 is fixedly connected with the fixed rod 14, the rotating shaft 13 can drive the fixed rod 14 to repeatedly swing by taking the rotating shaft 13 as the center, the fixed rod 14 is fixedly connected with the inserted rod 15, the knocking rods 11 are hinged with the vertical plate 10 and drive the two knocking rods 11 under the same connecting plate 9 to swing in a staggered mode respectively and knock the gongs 12 on the two sides under the same connecting plate 9 in a staggered mode respectively, the attention of passengers is attracted through sound, meanwhile, a safe attention video is played in the display 18, and safety early warning is carried out on the passengers in scenic spots. The device can be moved to different positions in the scenic spot according to the needs, namely the adjustment can be carried out according to different visiting numbers in the scenic spot, and after the device is moved, the attention of the tourists is attracted through the rotation of the two connecting plates 9 and the sound of the gong 12, so that the tourists can watch the safe attention video played in the display 18, and the safety is improved. The vertical plate 10 can be moved more conveniently by the universal wheels 17.
Specifically, in this embodiment, two vertical plates 10 fixedly connected to the same connecting plate 9 are fixedly connected to each other through a horizontal plate 34, the horizontal plate 34 is located below the gong 12, and the bottom end of each gong 12 is fixedly connected to the top surface of the horizontal plate 34 through an elastic cord 29. The gong 12 is connected with the horizontal plate 34 through the elastic rope 29, so that the phenomenon that the gong 12 shakes too much in the knocking process is avoided, and meanwhile, the gong 12 is limited, so that the gong 12 can be restored to the original position after being knocked.
Specifically, this embodiment first ring gear 5 top surface both sides respectively fixed mounting vertical branch 35, through a slogan board 28 fixed connection between two branch 35 tops, write safe slogan on the slogan board 28. And a safety slogan is written on the slogan board 28, so that safety warning is improved.
Further, the cross section of the guide groove described in this embodiment is a dovetail shape, and the cross section of one end of the guide block 25 inserted into the guide groove is a dovetail shape. The guide block 25 is inserted to the one end in the guide way and the guide way cross-section is the dovetail type, avoids guide block 25 to shift out of the guide way, makes the structure more stable.
Furthermore, the bottom end of the vertical plate 1 is fixedly provided with a non-slip mat 27. The bottom installation slipmat 27 of riser 1 avoids riser 1 to remove, places more stably.
Furthermore, the section of the annular groove 3 is dovetail-shaped, and the section of the sliding block 4 is dovetail-shaped. The section is the ring channel 3 and the slider 4 of dovetail type, avoids slider 4 to shift out ring channel 3 in use, and the structure is more stable in use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a public safety early warning device based on thing networking which characterized in that: comprises two vertical plates (1), the top ends of the two vertical plates (1) are fixedly connected through a horizontal fixing plate (2), the two vertical plates (1) are respectively positioned at two sides of the fixing plate (2), the top surface of the fixing plate (2) is provided with an annular groove (3), a plurality of sliding blocks (4) are arranged in the annular groove (3) in a matching way, the top ends of the plurality of sliding blocks (4) are fixedly connected through a first gear ring (5), a first gear (6) with a motor is movably arranged at the center of the top surface of the fixing plate (2), two sides of the first gear (6) are respectively provided with a second gear (7) in a matching way, the two second gears (7) are symmetrically distributed in the circle center of the first gear (6), the second gear (7) can be meshed and matched with the first gear (6), the rotating shaft of the second gear (7) can be movably connected with the top surface of the fixing plate (2), the second gear (7), the second gear (7) can be meshed and matched with the first gear ring (5), connecting rod groups (8) are fixedly arranged on two sides of the first gear ring (5) respectively, each connecting rod group (8) is composed of two horizontal connecting rods, the two connecting rod groups (8) are symmetrically distributed around the center of the first gear ring (5), two connecting rods in each connecting rod group (8) are positioned at the front end and the rear end of the first gear ring (5) respectively, the two ends of the two connecting rod groups (8) opposite to the first gear ring (5) are fixedly provided with horizontal connecting plates (9), two sides of the bottom surface of each connecting plate (9) are fixedly provided with vertical plates (10) respectively, the opposite surfaces of the two vertical plates (10) connected with one connecting plate (9) are hinged with knocking rods (11) respectively, two side bolts (12) are movably arranged on the bottom surface of each connecting plate (9), and the knocking rods (11) are positioned between the two side bolts (12), a rotating shaft (13) with a motor is movably arranged on the bottom surface of each connecting plate (9), two sides of the bottom end of each rotating shaft (13) are respectively and fixedly connected with one end of a fixing rod (14), the two fixing rods (14) are symmetrically distributed around the center of the rotating shaft (13), the opposite ends of the two fixing rods (14) are respectively and fixedly provided with a vertical inserted rod (15), the top end of each knocking rod (11) is respectively provided with a groove (16), the bottom end of each inserted rod (15) can be inserted into one groove (16), the bottom end of each vertical plate (10) is movably provided with a universal wheel (17), the top surface of each connecting plate (9) is fixedly provided with a display (18), the opposite surfaces of the two risers (1) are respectively and fixedly provided with a vertical second gear ring (19), the opposite surfaces of the two risers (1) are respectively and movably provided with a rotating shaft (20) with a motor, and the rotating shaft (20) and the, opposite ends of two rotating shafts (20) are fixedly provided with connecting rods (21), one end of each connecting rod (21) is movably provided with a third gear (22), the third gear (22) can be meshed and matched with a second gear ring (19), opposite surfaces of the two third gears (22) are movably provided with lugs (23), opposite surfaces of two vertical plates (1) are respectively provided with a group of guide slot groups (24), each group of guide slot groups (24) consists of two vertical guide slots, the two guide slots in each group of guide slot groups (24) are respectively positioned at the front end and the rear end of the second gear ring (19), each guide slot is internally provided with a guide block (25) in a matching way, the two guide blocks in the same guide slot group (24) are fixedly connected through a long strip block (26), the two long strip blocks (26) are positioned between the two second gear rings (19), opposite surfaces of the two long strip blocks (26) are respectively provided with a long strip slot (30), each lug (23) can be inserted into a corresponding strip groove (30), two strip blocks (26) are fixedly connected through a horizontal connecting plate (31), four corners of the bottom surface of the connecting plate (31) are respectively fixedly provided with vertical supporting rods (32), and the bottom end of each supporting rod (32) is movably provided with a roller (33).
2. The public safety early warning device based on the internet of things as claimed in claim 1, wherein: two vertical plates (10) fixedly connected with the same connecting plate (9) are fixedly connected through a horizontal plate (34), the horizontal plate (34) is positioned below the gong (12), and the bottom end of each gong (12) is fixedly connected with the top surface of the horizontal plate (34) through an elastic rope (29).
3. The public safety early warning device based on the internet of things as claimed in claim 1, wherein: first ring gear (5) top surface both sides respectively fixed mounting vertical branch (35), through a slogan board (28) fixed connection between two branch (35) tops, write on slogan board (28) and have safe slogan.
4. The public safety early warning device based on the internet of things as claimed in claim 1, wherein: the cross section of the guide groove is dovetail-shaped, and the cross section of one end of the guide block (25) inserted into the guide groove is dovetail-shaped.
5. The public safety early warning device based on the internet of things as claimed in claim 1, wherein: and the bottom end of the vertical plate (1) is fixedly provided with a non-slip mat (27).
6. The public safety early warning device based on the internet of things as claimed in claim 1, wherein: the section of the annular groove (3) is dovetail, and the section of the sliding block (4) is dovetail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054303.4A CN109686282B (en) | 2019-01-21 | 2019-01-21 | Public safety early warning device based on thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054303.4A CN109686282B (en) | 2019-01-21 | 2019-01-21 | Public safety early warning device based on thing networking |
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| Publication Number | Publication Date |
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| CN109686282A CN109686282A (en) | 2019-04-26 |
| CN109686282B true CN109686282B (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910054303.4A Expired - Fee Related CN109686282B (en) | 2019-01-21 | 2019-01-21 | Public safety early warning device based on thing networking |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110473463B (en) * | 2019-07-11 | 2021-06-25 | 四川传媒学院 | Digital media propagation device applied to information and communication engineering |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7069680B1 (en) * | 2002-06-19 | 2006-07-04 | Gregg Hugh Crawford | Barrier or wall mounting apparatus |
| CN201732545U (en) * | 2010-02-02 | 2011-02-02 | 青岛中创未来文化传播有限公司 | Multifunctional fire disaster early-warning media light box |
| CN202154956U (en) * | 2011-05-10 | 2012-03-07 | 刘建国 | Intelligent lifesaving device with early warning and escape guiding functions |
| CN202662257U (en) * | 2011-12-16 | 2013-01-09 | 安徽中科金诚智能科技有限公司 | Multifunctional early-warning information screen |
| CN204463427U (en) * | 2015-01-08 | 2015-07-08 | 海南政法职业学院 | A kind of road safety prior-warning device based on Internet of Things |
| US9299276B1 (en) * | 2015-06-11 | 2016-03-29 | Richard H. Enrico | Mobile motionable sign apparatus |
| CN204740711U (en) * | 2015-07-23 | 2015-11-04 | 罗金玲 | Mountain torrents intelligence early warning system based on thing networking |
| CN206388480U (en) * | 2016-10-26 | 2017-08-08 | 广州恒宇智能系统科技有限公司 | Site safety prior-warning device |
| CN206907388U (en) * | 2017-05-24 | 2018-01-19 | 海峡彩亮(漳州)光电有限公司 | A kind of road traffic new type solar energy LED display |
| CN207118537U (en) * | 2017-08-06 | 2018-03-20 | 台山市宁华电力设计有限公司 | A kind of power equipment high reliable scarer |
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2019
- 2019-01-21 CN CN201910054303.4A patent/CN109686282B/en not_active Expired - Fee Related
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Granted publication date: 20210112 Termination date: 20220121 |