CN113556453B - Integrated supervision platform for intelligent mine safety production - Google Patents
Integrated supervision platform for intelligent mine safety production Download PDFInfo
- Publication number
- CN113556453B CN113556453B CN202110823489.2A CN202110823489A CN113556453B CN 113556453 B CN113556453 B CN 113556453B CN 202110823489 A CN202110823489 A CN 202110823489A CN 113556453 B CN113556453 B CN 113556453B
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- Prior art keywords
- groove
- air
- guide
- grooves
- flow
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention discloses an integrated supervision platform for intelligent mine safety production, which structurally comprises a supporting rod, a solar panel, monitoring equipment, a distribution box and a loudspeaker, wherein the monitoring equipment comprises a fixed seat, a connecting rod and a monitoring head, the monitoring head comprises a photographic head, a protective cover, an air flow groove, a waterproof frame, an air guide device air flow groove comprises a circulation groove, an air inlet groove, a guide plate, a guide groove, a rectifying block and a rectifying sheet, the rectifying block comprises an air collecting groove, a downflow groove, a vertical flow sheet and a diversion groove, the vertical flow sheet comprises a ventilation groove, a slow flow groove and an air inlet port, and the dust attached to the end face of the protective cover is prevented from being impacted by utilizing the downward flow of air flow from the circulation groove by utilizing the air flow.
Description
Technical Field
The invention relates to the technical field of mine safety production, in particular to an integrated supervision platform for intelligent mine safety production.
Background
The safety production supervision system of the intelligent mine can effectively integrate, intensively monitor, monitor and early warning and emergency command the mine safety production management, monitor the environment of mine production, monitor personnel and equipment of mine production in real time, and is provided with monitoring equipment, a loudspeaker and a circuit integrated system in a supervision platform, so that the function of integrated supervision on the mine can be realized.
Based on the above findings of the present inventors, the existing integrated supervision platform for intelligent mine safety production mainly has the following drawbacks, for example: the supervisory equipment in the supervision platform is installed in installing the mine, because the operational environment dust's of ore concentration is great for the dust attaches the terminal surface at supervisory equipment along with the drive of crosswind, can block the shooting picture of camera, leads to the picture that supervisory equipment shot not clear.
Disclosure of Invention
Aiming at the problems, the invention provides an integrated supervision platform for intelligent mine safety production.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides an integrated supervision platform of wisdom mine safety in production, its structure includes bracing piece, solar panel, supervisory equipment, block terminal, speaker, the top side of bracing piece is equipped with solar panel, solar panel is equipped with two, and sets up the both ends at the bracing piece respectively, supervisory equipment connects in the rear end of bracing piece, the block terminal sets up the lower extreme at solar panel, the speaker is located the other end of block terminal, supervisory equipment includes fixing base, connecting rod, monitoring head, the fixing base welds in the bracing piece, the connecting rod welds in the bottom of fixing base, the monitoring head is located under the connecting rod.
Further, the monitoring head comprises a photographing head, a protective cover, an air flow groove, a waterproof frame and an air guide device, wherein the photographing head is arranged right in the middle of the bottom of the monitoring head, the protective cover is located right below the photographing head and covers the photographing head, the air flow groove is formed in the inner side end of the monitoring head, the waterproof frame is embedded in the bottom side end of the monitoring head, the air guide device is located right below the air flow groove, and the protective cover is made of glass.
Further, the air current groove includes circulation groove, air inlet tank, guide plate, guide way, rectification piece, the circulation groove sets up the inside side at the control head, the air inlet tank is equipped with five more, and arrange in the side terminal surface of circulation groove perpendicularly, the guide plate is installed in the middle of the inside of circulation groove is right perpendicularly, the guide way is equipped with more than three, and arrange in the terminal surface of guide plate perpendicularly, the rectification piece builds in the bottom of guide plate, the rectification piece is equipped with six, and transverse arrangement is in the bottom of circulation groove, the top of guide plate is circular-arc, the contained angle between guide way and the horizontal plane is 45 degrees.
Further, the rectification block comprises two gas collecting grooves, a lower launder, a vertical flow sheet and a shunt groove, wherein the two gas collecting grooves are respectively arranged at two ends of the rectification block, the lower launder is positioned at the right middle of the bottom of the rectification block, the vertical flow sheet is embedded in the right middle of the bottom of the lower launder, the four shunt grooves are arranged, the two shunt grooves are arranged at two sides of the rectification block, and the top ends of the lower launder are connected with the lower ends of the two gas collecting grooves.
Further, the vertical flow sheet comprises a ventilation groove, a slow flow groove and an air inlet port, wherein the ventilation groove is positioned in the vertical flow sheet, the slow flow groove is arranged at the inner side end of the ventilation groove pair, the air inlet port is positioned at the top of the ventilation groove, and the width of the slow flow groove is gradually reduced from the middle to the two ends.
Further, the wind guiding device comprises a wind guiding frame, wind collecting ports, wind storage tanks and wind guiding blocks, wherein the end faces of the wind guiding frame are bent from side ends to the middle, the wind collecting ports are provided with two wind guiding frames, the wind storage tanks are respectively arranged at two ends of the top of the wind guiding frame, the wind storage tanks are provided with two wind guiding frames and are arranged on the inner side end faces of the wind guiding frames, the wind guiding blocks are embedded and fixed at the bottom of the wind guiding frame, and the depth of the wind storage tanks is gradually deepened from the upper end to the lower end.
Further, the wind-guiding piece includes wind-guiding body, guiding gutter, splitter box, guide blade, the terminal surface of wind-guiding body is crooked by outside inwards, the guiding gutter is equipped with more than three, and encircles in the inner terminal surface arrangement of wind-guiding body, the splitter box is equipped with more than six, and uses three as a set of, and transverse arrangement is in the guiding gutter, the guide blade is equipped with more than six, and uses two to build in the bottom of guiding gutter for a set of symmetry, the splitter box perpendicular to horizontal plane.
Further, the guide piece includes guide body, guide way, through-hole, the inboard terminal surface of guide body is equipped with the guide way, the through-hole is equipped with three, and is located the bottom of guide way, the degree of depth of guide way becomes shallow from upper end to lower extreme gradually.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the camera is covered by the protective cover to prevent dust from attaching to the end face of the protective cover, so that the definition of an image shot by the camera is ensured, and then the air flow is guided downwards through the guide groove, so that the air flow flows downwards from the circulation groove to impact the dust attached to the end face of the protective cover, the dust is prevented from attaching to the end face of the protective cover, a supervisory person can monitor the condition in a mine in real time, and the safety of the construction environment of the worker can be ensured while the working efficiency of the worker is improved.
2. According to the invention, the depth of the air storage groove is gradually increased from the upper end to the lower end, so that air flow can flow along the end face of the air storage groove, when the air flow is arranged at the bottom end of the air storage groove, the air flow can flow towards the end face of the protective cover in a guiding way, so that dust attached to the end face of the protective cover can be taken away by the air flow, a camera can shoot the condition in a clear mine, and a supervisor can supervise the safety of personnel and working environment in the mine.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an integrated supervision platform for intelligent mine safety production.
Fig. 2 is a schematic diagram of a front view structure of a monitoring device according to the present invention.
Fig. 3 is a schematic front view of the monitoring head of the present invention.
Fig. 4 is a schematic front view of the air flow channel of the present invention.
Fig. 5 is a schematic diagram of a front view of a rectifying block according to the present invention.
Fig. 6 is a schematic diagram of a vertical flow sheet front view of the present invention.
Fig. 7 is a schematic front view of the air guiding device of the present invention.
FIG. 8 is a schematic cross-sectional view of an air guiding block according to the present invention.
Fig. 9 is a schematic cross-sectional structure of a guide plate according to the present invention.
In the figure: the solar panel comprises a supporting rod 1, a solar panel 2, a monitoring device 3, a distribution box 4, a loudspeaker 5, a fixed seat 31, a connecting rod 32, a monitoring head 33, a camera 331, a protective cover 332, an airflow groove 333, a waterproof frame 334, an air guiding device 335, a circulation groove a1, an air inlet groove a2, a guide plate a3, a guide groove a4, a rectifying block a5, a rectifying piece a6, an air collecting groove a51, a downflow groove a52, a vertical flow piece a53, a diversion groove a54, a ventilation groove b1, a slow flow groove b2, an air inlet port b3, an air guiding frame c1, an air collecting opening c2, an air storage groove c3, an air guiding block c4, an air guiding body c41, a diversion groove c42, a diversion groove c43, a guide piece a44, a guide body d1, a guide groove d2 and a through hole d3.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: referring to fig. 1-6, the following are specific embodiments of the present invention:
the structure of the solar panel comprises a supporting rod 1, a solar panel 2, monitoring equipment 3, a distribution box 4 and a loudspeaker 5, wherein the solar panel 2 is arranged at the side end of the top of the supporting rod 1, the solar panel 2 is provided with two solar panels, the solar panels are respectively arranged at the two ends of the supporting rod 1, the monitoring equipment 3 is connected to the rear end of the supporting rod 1, the distribution box 4 is arranged at the lower end of the solar panel 2, the loudspeaker 5 is positioned at the other end of the distribution box 4, the monitoring equipment 3 comprises a fixing seat 31, a connecting rod 32 and a monitoring head 33, the fixing seat 31 is welded to the supporting rod 1, the connecting rod 32 is welded to the bottom of the fixing seat 31, and the monitoring head 33 is positioned under the connecting rod 32.
The monitoring head 33 comprises a photographing head 331, a protective cover 332, an air flow groove 333, a waterproof frame 334 and an air guide device 335, wherein the photographing head 331 is arranged right in the middle of the bottom of the monitoring head 33, the protective cover 332 is positioned right below the photographing head 331 and covers the photographing head 331, the air flow groove 333 is arranged at the inner side end of the monitoring head 33, the waterproof frame 334 is embedded at the bottom side end of the monitoring head 33, the air guide device 335 is positioned right below the air flow groove 333, and the protective cover 332 is made of glass, so that the photographing head 331 is covered by the protective cover 332, and dust is prevented from being attached to the end face of the protective cover 332.
The air flow groove 333 comprises a flow groove a1, an air inlet groove a2, guide plates a3, guide grooves a4, rectifying blocks a5 and rectifying sheets a6, wherein the flow groove a1 is arranged at the inner side end of the monitoring head 33, the air inlet groove a2 is provided with more than five air flow grooves and is vertically arranged at the side end face of the flow groove a1, the guide plates a3 are vertically arranged in the middle of the inner part of the flow groove a1, the guide grooves a4 are provided with more than three air flow grooves and are vertically arranged at the end face of the guide plates a3, the rectifying blocks a5 are fixedly embedded at the bottom of the guide plates a3, the rectifying sheets a6 are provided with six air flow grooves and are transversely arranged at the bottom of the flow groove a1, the top end of the guide plates a3 is arc-shaped, the included angle between the guide grooves a4 and the horizontal plane is 45 degrees, and air flow entering the flow groove a1 from the air inlet groove a2 is favorably rectified through the guide plates a3, and the air flow is guided downwards through the guide grooves a 4.
The rectification block a5 comprises two gas collecting grooves a51, two lower flow grooves a52, a vertical flow sheet a53 and a diversion groove a54, wherein the two gas collecting grooves a51 are respectively arranged at two ends of the rectification block a5, the lower flow grooves a52 are positioned in the middle of the bottom of the rectification block a5, the vertical flow sheet a53 is embedded in the middle of the bottom of the lower flow groove a52, the four diversion grooves a54 are arranged at two sides of the rectification block a5, the top ends of the lower flow grooves a52 are connected with the lower ends of the two gas collecting grooves a51, so that the gas flow is concentrated in the lower flow grooves a52 through the gas collecting grooves a51 and flows downwards, and the flow speed of the gas flow is increased.
The vertical flow sheet a53 comprises a ventilation groove b1, a slow flow groove b2 and an air inlet port b3, wherein the ventilation groove b1 is positioned in the vertical flow sheet a53, the slow flow groove b2 is arranged at the inner side ends of the ventilation groove b1 pair, the air inlet port b3 is positioned at the top of the ventilation groove b1, the width of the slow flow groove b2 is gradually reduced from the middle to the two ends, the area of airflow flowing through the slow flow groove b2 is reduced, and the flow speed of airflow is increased.
Based on the above embodiment, the specific working principle is as follows: when dust in the mine is attached to the monitoring device 3, the image shot by the monitoring device 3 is not clear, the camera 331 can be covered by the protective cover 332, so that dust is prevented from being attached to the end face of the protective cover 332, the definition of the image shot by the camera 331 is ensured, the airflow entering the circulation groove a1 from the air inlet groove a2 is rectified through the guide plate a3, the airflow is guided downwards through the guide groove a4, the airflow is enabled to flow downwards from the circulation groove a1 to impact the dust attached to the end face of the protective cover 332, then the top end of the lower launder a52 is connected with the lower ends of the two air collecting grooves a51, the air collecting grooves a51 can concentrate the airflow to flow downwards in the lower launder a52, the flow speed of the airflow is increased, the airflow is enabled to concentrate the airflow to flow downwards by the slow flow groove b2 in the vertical flow sheet a53, the flow area of the airflow is reduced, the flow speed of the airflow is increased, the airflow is enabled to take away the dust attached to the end face of the protective cover 332, the dust attached to the end face of the protective cover 332 is prevented from flowing downwards, and the dust is enabled to be more safe than the worker can take away in the working environment of the monitoring workers in real time, and the monitoring situation can be ensured.
Embodiment two: referring to fig. 7-9, the following are specific embodiments of the present invention:
the air guide device 335 comprises an air guide frame c1, an air collection opening c2, an air storage groove c3 and an air guide block c4, wherein the end face of the air guide frame c1 is bent from side ends to the middle, the air collection opening c2 is provided with two air collection openings and is respectively arranged at two ends of the top of the air guide frame c1, the air storage groove c3 is provided with two air guide frames and is arranged on the inner end face of the air guide frame c1, the air guide block c4 is fixedly embedded at the bottom of the air guide frame c1, the depth of the air storage groove c3 is gradually deepened from the upper end to the lower end, so that air flow can flow along the end face of the air storage groove c3 to be guided, and then flow towards the end face of the protective cover 332.
The air guide block c4 comprises an air guide body c41, guide grooves c42, a diversion groove c43 and guide pieces a44, wherein the end face of the air guide body c41 is bent from the outer side to the inner side, the guide grooves c42 are provided with more than three and are arranged around the end face of the inner end of the air guide body c41, the diversion grooves c43 are provided with more than six and are arranged in a group, the guide pieces a44 are arranged in the guide grooves c42 in a transverse mode, the guide pieces a44 are provided with more than six and are symmetrically embedded in the bottom of the guide grooves c42 in a group, the diversion grooves c43 are perpendicular to the horizontal plane, and are favorable for guiding air flow vertically downwards through the diversion grooves c43, so that air flow is concentrated and the flow speed is increased.
The guide piece a44 comprises a guide body d1, a guide groove d2 and a through hole d3, the guide groove d2 is formed in the inner side end face of the guide body d1, three guide grooves d3 are formed in the through hole d3 and located at the bottom end of the guide groove d2, the depth of the guide groove d2 gradually becomes shallow from the upper end to the lower end, and the guide of the air flow in a dispersed state through the guide groove d2 is facilitated, so that the air flow can fully contact with the end face of the protective cover 332.
Based on the above embodiment, the specific working principle is as follows: the depth of the wind storage groove c3 is set to be gradually deepened from the upper end to the lower end, so that air flows along the end face of the wind storage groove c3, when the air flows are arranged at the bottom end of the wind storage groove c3, the air flows towards the end face of the protective cover 332 in a guiding manner, dust attached to the end face of the protective cover 332 can be taken away by the air flows, the diversion groove c43 is set to be vertical to the horizontal plane in a recycling manner, the air flows can be guided downwards vertically through the diversion groove c43, the air flows can impact the guide piece a44 at a larger flowing speed, the air flows are uniformly distributed on the end face of the protective cover 332, finally the air flows are guided in a dispersing manner through the guide groove d2, the air flows can be fully contacted with the end face of the protective cover 332, the impact effect of the air flows on dust attached to the end face of the protective cover 332 is improved, the dust is prevented from being attached to the protective cover 332, the condition in a mine can be shot by the camera 331, and a supervision person can supervise the mine and the safety of working environment.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides an integrated supervision platform of wisdom mine safety in production, its structure includes bracing piece (1), solar panel (2), supervisory equipment (3), block terminal (4), speaker (5), the top side of bracing piece (1) is equipped with solar panel (2), solar panel (2) are equipped with two, and set up the both ends at bracing piece (1) respectively, supervisory equipment (3) are connected in the rear end of bracing piece (1), block terminal (4) set up the lower extreme at solar panel (2), speaker (5) are located the other end of block terminal (4), its characterized in that:
the monitoring equipment (3) comprises a fixed seat (31), a connecting rod (32) and a monitoring head (33), wherein the fixed seat (31) is welded on the supporting rod (1), the connecting rod (32) is welded at the bottom of the fixed seat (31), and the monitoring head (33) is positioned under the connecting rod (32);
the monitoring head (33) comprises a photographing head (331), a protective cover (332), an air flow groove (333), a waterproof frame (334) and an air guide device (335), wherein the photographing head (331) is arranged right in the middle of the bottom of the monitoring head (33), the protective cover (332) is positioned right below the photographing head (331) and covers the photographing head (331), the air flow groove (333) is arranged at the inner side end of the monitoring head (33), the waterproof frame (334) is embedded and fixed at the bottom side end of the monitoring head (33), and the air guide device (335) is positioned right below the air flow groove (333);
the air flow groove (333) comprises a circulation groove (a 1), an air inlet groove (a 2), guide plates (a 3), guide grooves (a 4), rectifying blocks (a 5) and rectifying plates (a 6), wherein the circulation groove (a 1) is arranged at the inner side end of a monitoring head (33), more than five air inlet grooves (a 2) are arranged and are vertically arranged on the side end face of the circulation groove (a 1), the guide plates (a 3) are vertically arranged right in the middle of the inner part of the circulation groove (a 1), the guide grooves (a 4) are provided with more than three guide plates and are vertically arranged on the end face of the guide plates (a 3), the rectifying blocks (a 5) are fixedly embedded at the bottom of the guide plates (a 3), and the rectifying plates (a 6) are provided with six guide plates and are transversely arranged at the bottom of the circulation groove (a 1);
the rectifying block (a 5) comprises two gas collecting grooves (a 51), a lower flow groove (a 52), vertical flow plates (a 53) and flow dividing grooves (a 54), wherein the two gas collecting grooves (a 51) are respectively arranged at two ends of the rectifying block (a 5), the lower flow groove (a 52) is positioned in the middle of the bottom of the rectifying block (a 5), the vertical flow plates (a 53) are fixedly embedded in the middle of the bottom of the lower flow groove (a 52), and the four flow dividing grooves (a 54) are arranged and are arranged at two sides of the rectifying block (a 5);
the vertical flow sheet (a 53) comprises a ventilation groove (b 1), a slow flow groove (b 2) and an air inlet port (b 3), wherein the ventilation groove (b 1) is positioned in the vertical flow sheet (a 53), the slow flow groove (b 2) is arranged at the inner side end of the ventilation groove (b 1) pair, and the air inlet port (b 3) is positioned at the top of the ventilation groove (b 1).
2. An integrated supervisory platform for intelligent mine safety production as set forth in claim 1 wherein: the air guide device (335) comprises an air guide frame (c 1), an air collection opening (c 2), an air storage groove (c 3) and an air guide block (c 4), wherein the end face of the air guide frame (c 1) is bent from side ends to the middle, the air collection opening (c 2) is provided with two air collection openings, the two air collection openings are respectively arranged at the two ends of the top of the air guide frame (c 1), the two air storage grooves (c 3) are respectively provided with two air collection openings, the two air collection openings are arranged on the inner side end face of the air guide frame (c 1), and the air guide block (c 4) is fixedly embedded at the bottom of the air guide frame (c 1).
3. An integrated supervisory platform for intelligent mine safety production as set forth in claim 2 wherein: the air guide block (c 4) comprises an air guide body (c 41), guide grooves (c 42), diversion grooves (c 43) and guide plates (a 44), wherein the end face of the air guide body (c 41) is bent from the outer side to the inner side, the guide grooves (c 42) are provided with more than three and are arranged around the end face of the inner end of the air guide body (c 41), the diversion grooves (c 43) are provided with more than six and are transversely arranged in the guide grooves (c 42) in a group of three, and the guide plates (a 44) are provided with more than six and are symmetrically embedded and fixed at the bottom of the guide grooves (c 42) in a group of two.
4. An integrated supervisory platform for intelligent mine safety production according to claim 3, wherein: the guide piece (a 44) comprises a guide body (d 1), guide grooves (d 2) and through holes (d 3), wherein the guide grooves (d 2) are formed in the inner side end faces of the guide body (d 1), and the three through holes (d 3) are formed in the bottom ends of the guide grooves (d 2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110823489.2A CN113556453B (en) | 2021-07-21 | 2021-07-21 | Integrated supervision platform for intelligent mine safety production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110823489.2A CN113556453B (en) | 2021-07-21 | 2021-07-21 | Integrated supervision platform for intelligent mine safety production |
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| CN113556453A CN113556453A (en) | 2021-10-26 |
| CN113556453B true CN113556453B (en) | 2023-05-02 |
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| CN208337708U (en) * | 2018-06-15 | 2019-01-04 | 湖北三峡职业技术学院 | A kind of monitoring camera with safeguard function |
| CN208754450U (en) * | 2018-10-12 | 2019-04-16 | 太极航空科技有限公司 | A kind of cell uses safely monitoring device |
| CN112230497A (en) * | 2020-11-06 | 2021-01-15 | 林泽城 | Intelligent education equipment based on big data |
| CN112885029A (en) * | 2021-01-25 | 2021-06-01 | 杨娟 | Alarm device for power grid equipment |
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2021
- 2021-07-21 CN CN202110823489.2A patent/CN113556453B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208337708U (en) * | 2018-06-15 | 2019-01-04 | 湖北三峡职业技术学院 | A kind of monitoring camera with safeguard function |
| CN208310380U (en) * | 2018-06-26 | 2019-01-01 | 张大玲 | A kind of intelligence rain-proof type real-time road traffic block port |
| CN208754450U (en) * | 2018-10-12 | 2019-04-16 | 太极航空科技有限公司 | A kind of cell uses safely monitoring device |
| CN112230497A (en) * | 2020-11-06 | 2021-01-15 | 林泽城 | Intelligent education equipment based on big data |
| CN112885029A (en) * | 2021-01-25 | 2021-06-01 | 杨娟 | Alarm device for power grid equipment |
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