CN113709341B

CN113709341B - BIM digital engineering monitoring system

Info

Publication number: CN113709341B
Application number: CN202110962144.5A
Authority: CN
Inventors: 徐家栋; 杨任磊; 李珏; 谢德彬; 周建宇
Original assignee: Zhejiang Xinhexing Construction Co ltd
Current assignee: Zhejiang Xinhexing Construction Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2023-02-28
Anticipated expiration: 2041-08-20
Also published as: CN113709341A

Abstract

The application relates to a digital engineering monitoring system of BIM, which comprises a monitoring camera body and a protective cover for accommodating the monitoring camera, wherein the protective cover comprises a main cover and a secondary cover which are mutually communicated, the secondary cover is used for being fixed with a wall surface, and one end, far away from the wall surface, of the secondary cover is communicated with the side wall of the bottom end of the main cover; the main cover comprises an outer cover and a cover plate, a through hole is formed in one side wall, facing the wall surface, of the top end of the outer cover, and the cover plate is used for sealing the through hole; the driving source is used for driving the cover plate to move and then opening the through hole; the exhaust fan is arranged on the outer cover and used for driving air in the protective cover to flow to the outside of the through hole; still including setting up humidity transducer and the central processing unit in the protection casing, central processing unit is connected with humidity transducer, driving source and air discharge fan electricity. The air in the protection casing is replaced with the external world by the exhaust fan, so that the humidity in the protection casing is consistent with the external world, and the inner wall of the protection casing is not easily covered with fog, so that a camera monitoring picture is kept clear.

Description

BIM digital engineering monitoring system

Technical Field

The application relates to the technical field of monitoring systems, in particular to a BIM digital engineering monitoring system.

Background

The method for virtually arranging the monitoring cameras on the construction site can be reasonably arranged through the BIM technology, the monitoring cameras on the construction site are virtually and reasonably arranged by utilizing the visual characteristics and the simulation characteristics of the BIM technology, unnecessary waste of materials in the actual installation process is reduced, the installation speed is accelerated, and the management cost is reduced.

The invention patent application with application publication number CN103826035A discloses a monitoring camera, which comprises: the camera comprises a rotating support, a built-in camera, a protective cover and a rotating control mechanism, wherein the rotating control mechanism is arranged on the rotating support, the camera is connected with the rotating control mechanism and used for controlling the camera to rotate within a range of 360 degrees, and the number of lenses with refractive power of the camera is only three: the method comprises the following steps from an object side to an image side: the image sensor comprises a first convex lens with a focal length of f1, a second double-concave lens with a focal length of f2, a third concave-convex lens with a focal length of f3 and an image sensor for receiving images, wherein the ratio of f1/f2 is-0.2 to-1.5, the ratio of f1/f3 is 0.45 to 1.33, and the distance d1 between the first convex lens and the second double-concave lens is 2-8mm.

In view of the above related technologies, the inventor thinks that when the surveillance camera is actually used, when the surveillance camera encounters rainy days with high humidity, the humidity in the protection cover increases, a layer of water mist is easily formed on the inner layer of the protection cover, and the water mist blocks the view field of the surveillance camera, so that the surveillance picture of the surveillance camera is unclear.

Disclosure of Invention

In order to solve the problem that the monitoring picture of a monitoring camera is not clear due to water mist, the application provides a BIM digital engineering monitoring system.

The application provides a BIM's digital engineering monitored control system adopts following technical scheme:

a digital engineering monitoring system of BIM comprises a monitoring camera body and a protective cover for accommodating the monitoring camera, wherein the protective cover comprises a main cover and a secondary cover which are mutually communicated, the secondary cover is used for being fixed with a wall surface, and one end, far away from the wall surface, of the secondary cover is communicated with the side wall of the bottom end of the main cover; the main cover comprises an outer cover and a cover plate, a through opening is formed in one side wall, facing the wall surface, of the top end of the outer cover, and the cover plate is used for sealing the through opening;

the driving source is arranged on the outer cover and used for driving the cover plate to move and then opening the through hole; the exhaust fan is arranged on the outer cover and used for driving air in the protective cover to flow to the outside of the through hole; still including setting up humidity transducer and the central processing unit in the protection casing, central processing unit is connected with humidity transducer, driving source and exhaust fan electricity.

Through adopting above-mentioned technical scheme, through setting up main cover and time cover, and open the opening in the one side of main cover towards the wall, prevent that the monitoring camera during operation picture from being blockked by the air discharge fan. When monitored control system normally used, the opening was closed to the apron, prevented that external dust from getting into the first body work of surveillance camera that the protection casing inner chamber influences. When humidity is great in the protection casing, humidity transducer senses humidity, makes central processing unit control driving source drive apron open, and central processing unit control also drives the air discharge fan and rotates simultaneously, replaces air and the external world in the protection casing, makes humidity and external unanimity in the protection casing, and the protection casing inner wall is difficult for covering fog to make camera control picture keep clear.

Optionally, the cover plate includes two rotating plates rotatably disposed on the outer cover through a rotating shaft, and the two rotating plates are disposed on the same plane; the rotating shafts are arranged at the end parts of the top ends of the two rotating plates, which are close to each other, and the length direction of the rotating shafts is the same as the depth direction of the through holes; the driving source drives the two rotating plates to rotate towards one side far away from each other;

the terminal surface that the rotor plate is close to each other has been seted up and has been accomodate the groove, accomodate the inslot and be provided with the dust screen that is used for coveing the opening, the both ends of dust screen are fixed in on two cell walls of accomodating the groove, accomodate the groove and be used for accomodating the dust screen.

Through adopting above-mentioned technical scheme, when two rotor plates rotated to alternate segregation, the opening was opened, and the dust screen opened and shields the opening, and the dust got into in the protection casing when preventing that the air discharge fan from with the external replacement in with the protection casing in. The dust screen is accommodated in the accommodating groove, so that the rotating plates are mutually attached when being close to each other, and the through hole is closed and better handed over. And the dust screen is accommodated in the accommodating groove, so that the dust screen is not easy to expose outside and is stained with more dust, and the dust screen is kept clean.

Optionally, the monitoring camera body comprises a camera main body and a camera lens fixed at one end of the camera main body, which is far away from the wall surface;

the cleaning mechanism comprises a cleaning component arranged at the top of the monitoring camera body, the cleaning component comprises a winding roller, a wiping soft plate wound on the winding roller and a winding device driving the winding roller to rotate, and the wiping soft plate is used for wiping the mirror surface of the camera lens; the winding device is electrically connected with the central processing unit;

the cleaning assembly also comprises support plates which are arranged on two sides of the camera lens and are parallel to each other, and the end parts of the two support plates protrude out of the mirror surface of the camera lens towards one side of the camera lens, which is far away from the camera main body; the supporting plate protrudes out of one side of the mirror surface of the camera lens, which is close to the end portion of the mirror surface, of the camera lens, sliding grooves are formed in the side, close to the end portion of the mirror surface of the camera lens, two ends in the width direction of the wiping soft board can slide along the length direction of the sliding grooves, and when the wiping soft board slides along the sliding grooves, the side face of the wiping soft board is in sliding contact with the mirror surface of the camera lens.

Through adopting above-mentioned technical scheme, when humidity was great in the main cover, one deck water smoke was covered easily also to camera lens department, influences the use of surveillance camera machine body. Through connect central processing unit with coiling mechanism electricity for when humidity transducer experienced great humidity, central processing unit can control cleaning device drive wind-up roll and rotate, makes the wind-up roll will clean the soft board and expand, rolling alternating motion along cleaning soft board length direction, cleans the sliding tray slip of both ends along backup pad tip of soft board width direction, cleans the soft board this moment and cleans the mirror surface of camera lens, improves the definition of camera lens.

Optionally, the backup pad passes through the articulated shaft and rotates and set up in the both sides of camera lens, the articulated shaft sets up in the top that the tip of sliding tray was kept away from to the backup pad, clearance mechanism still includes the setting element, the setting element is used for ordering about the tip protrusion camera lens's that the backup pad was provided with the sliding tray mirror surface.

Through adopting above-mentioned technical scheme, the backup pad articulated shaft rotates and sets up in the both sides of camera lens for when the backup pad does not use, the backup pad can hang down naturally and take off the both sides that break away from the camera lens, makes the field of vision of surveillance camera head body great. When the mirror surface of camera lens is cleaned to needs, order about the terminal portion protrusion camera lens's that the backup pad was provided with the sliding tray mirror surface through the setting element, the messenger cleans the sliding tray that the soft board can slide in the backup pad to can clean the mirror surface of camera lens.

Optionally, the positioning element comprises a rotating rod rotatably connected to the inner wall of the outer cover through a connecting shaft, and a vertical driving groove for extending the end of the rotating shaft is formed in the side wall of the outer cover facing the wall surface; when the two rotating plates are far away from each other, one of the rotating plates is abutted against the end part of the rotating rod extending out of the driving groove to move upwards;

the positioning piece also comprises two ejector rods fixed at the end part of the rotating rod in the outer cover; the end part of the supporting plate facing the wall surface is fixedly provided with a top block for the top rod to abut against, when the rotating plate abuts against the end part of the rotating rod extending out of the driving groove and tilts upwards, the top rod moves downwards and abuts against the end part of the top block driving the supporting plate, which is provided with a sliding groove, so that the mirror surface of the camera lens is kept protruding; the positioning piece further comprises an elastic piece for driving the ejector rod to upwarp and separate from the ejector block.

By adopting the technical scheme, when the rotating plate is not abutted to the rotating rod, the elastic piece drives the end part of the ejector rod in the main cover to upwarp to separate from the ejector block, and at the moment, the supporting plate is downwards swung through the self gravity to separate from the two sides of the camera lens, so that the camera lens has a larger visual field.

When the two rotating plates rotate to open the through hole, the rotating plates are abutted against the end parts of the rotating plates extending out of the driving grooves and upwarp, so that the end parts of the rotating rods positioned in the outer cover rotate downwards, the ejector rods are abutted against the abutting blocks to overcome the gravity of the supporting plates, the end part of the support plate provided with the sliding groove rotates to the two sides of the camera lens, and at the moment, the winding device is opened, so that the wiping soft plate slides in the sliding groove and wipes the mirror surface of the camera lens. The positioning piece has a simple structure, and a driving source is not required to be additionally arranged, so that the cost of the positioning piece is low.

Optionally, the wiping soft board includes a rubber board and a plurality of sliding bars, a plurality of parallel moving grooves are arranged on a side of the rubber board facing the camera lens, a length direction of the plurality of moving grooves is the same as a length direction of the wind-up roll, the plurality of moving grooves are arranged along the length direction of the rubber board, and a length direction of the plurality of sliding bars is the same as a length of the moving grooves; the sliding strip comprises a wiping strip and a moving strip which is fixed in parallel with the wiping strip, the moving strip is arranged in the moving groove in a sliding mode, and a driving structure for driving the sliding strip to slide in a reciprocating mode along the length direction of the moving groove is arranged on the support.

By adopting the technical scheme, the rubber plate has certain flexibility and can be wound on the winding roller, and meanwhile, the rubber plate has certain support property, so that the support plate and the sliding strip can be supported to slide along the length direction of the sliding groove;

when a plurality of sliding strips slide in the second spout, the drive structure can drive the sliding strip along the length direction reciprocating sliding of motion groove, makes the mirror surface of the better camera lens of cleaning of sliding strip ability, improves and cleans the effect.

Optionally, the sliding groove includes a first sliding groove for the rubber plate to slide and a second sliding groove for the sliding strip to slide, the driving structure is a protrusion fixed on a groove wall of the second sliding groove at intervals, and an arrangement direction of the protrusions is along a sliding direction of the rubber plate; the bulge protrudes towards the direction between the two support plates, and the surface of the bulge facing the direction between the two support plates is an arc surface; two end faces of the wiping strip in the length direction are cambered surfaces, a plurality of protrusions on the supporting plate are opposite to intervals between adjacent protrusions on the other supporting plate, and the cambered surfaces on the protrusions are used for being abutted to two ends of the wiping strip in the length direction.

By adopting the technical scheme, when the wiping soft board slides in the sliding groove, the rubber board slides in the first sliding groove, and the plurality of sliding strips slide in the second sliding groove;

because of being provided with the arch on the second spout, a plurality of archs in the backup pad are just to the interval between the adjacent arch in another backup pad for the displacement takes place along the motion groove behind the protruding butt of sliding strip through its length direction both sides, when the rubber slab slided in first spout, cleans the arch in the strip both ends butt second spout in proper order, makes the sliding strip along the reciprocating sliding of motion groove, cleans the mirror surface of strip slip back to cleaning the camera lens. Through setting up arch and slide bar, need not additionally to set up the slip of driving source drive slide bar, the drive structure is constituteed simply, small side, conveniently uses on surveillance camera machine.

Optionally, the dust screen is fan-shaped, at least one support rod is fixed on the dust screen, and the support rod is fixed in the middle of the dust screen along the radial direction of the fan-shaped.

Through adopting above-mentioned technical scheme, the bracing piece supports the dust screen, and when making the dust screen accomodate, the dust screen both ends are close to each other, make the dust screen be the lax state, and the bracing piece makes the wire side of dust screen keep vertical decurrent state, prevents that the dust screen from being blown by the air discharge fan after lax, leads to the dust screen to be cliied by two commentaries on classics boards and can't get into and accomodate in the groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the exhaust fan, the cover plate, the humidity sensor and the dustproof net, water mist is not easy to appear in the protective cover, and a camera monitoring picture keeps better definition;

2. by arranging the cleaning mechanism, the mirror surface of the camera lens can be wiped by the wiping soft board, so that the definition of the camera lens is improved;

3. the supporting plate naturally sags and then is provided with a positioning piece for driving the supporting plate to rotate to the two sides of the camera lens, so that the visual field of the monitoring camera is not easily blocked by the supporting plate when the monitoring camera is used at ordinary times.

Drawings

Fig. 1 is a first overall schematic diagram of a monitoring system according to an embodiment of the present application.

Fig. 2 is a second overall schematic diagram of the monitoring system according to the embodiment of the present application, mainly illustrating the structure of the cover plate.

Fig. 3 is a schematic structural diagram of the dust screen, mainly highlighting the position of the receiving slot.

Fig. 4 is a partial exploded view of a monitoring system.

Fig. 5 is an enlarged view at a of fig. 4, mainly highlighting the structure of the cleaning assembly.

Fig. 6 is an exploded view of a wiping flexible sheet.

Fig. 7 is a structural schematic view of the support plate, mainly highlighting the positions of the first runner, the second runner and the projection.

Description of reference numerals: 1. a surveillance camera body; 11. a camera main body; 12. a camera lens; 121. a lens body; 122. a lens cover; 1221. a support frame; 1222. a rolling opening; 2. a protective cover; 21. a main cover; 211. a housing; 2111. a port; 2112. an exhaust fan; 212. a cover plate; 2121. a rotating plate; 2122. a rotating shaft; 2123. a receiving groove; 22. a secondary cover; 3. a drive source; 31. a drive motor; 32. a drive gear; 4. a dust screen; 41. a support bar; 5. a cleaning mechanism; 51. cleaning the assembly; 511. a wind-up roll; 512. wiping the soft board; 513. a winding device; 5131. a winding motor; 5132. a winding gear; 5133. a support plate; 5134. hinging shafts; 5135. a sliding groove; 51351. a first chute; 51352. a second chute; 52. a positioning member; 521. rotating the rod; 522. an elastic member; 5221. a torsion spring; 523. a top rod; 524. a connecting rod; 525. a connecting shaft; 526. a top block; 53. a drive slot; 6. a rubber plate; 61. a motion groove; 7. a slide bar; 71. a wiping strip; 72. a motion bar; 8. a drive structure; 81. a protrusion; 9. a cambered surface; 10. a wall surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a digital engineering monitoring system of BIM. Referring to fig. 1, the digital engineering monitoring system of bim includes a monitoring camera body 1 and a shield 2 accommodating the monitoring camera body 1. The protection casing 2 includes main cover 21 and secondary cover 22, and secondary cover 22 is used for fixing with wall 10, and the lateral wall of the bottom of main cover 21 communicates with one side that secondary cover 22 kept away from wall 10. The monitoring camera body 1 comprises a camera main body 11 fixed with the wall surface 10 and a camera lens 12 fixed at one end, far away from the wall surface 10, of the camera main body 11, wherein the camera main body 11 is located in a secondary cover 22, the camera lens 12 is located in a main cover 21, and the mirror surface of the camera lens 12 faces towards one side, far away from the wall surface 10.

Referring to fig. 1 and 2, the main housing 21 includes an outer housing 211 and a cover plate 212, a through opening 2111 is opened on one side of the outer housing 211 facing the wall surface 10, the through opening 2111 is located above the secondary housing 22, a depth direction of the through opening 2111 is a direction away from or close to the wall surface 10, and the cover plate 212 is used for closing the through opening 2111.

Referring to fig. 1 and 2, an exhaust fan 2112 is fixed to an inner wall of the housing 211, an air outlet surface of the exhaust fan 2112 faces the through opening 2111, and the exhaust fan 2112 is used for exhausting the gas in the housing 211.

Referring to fig. 1 and 2, the cover 212 includes two rotating plates 2121 on the same plane, ends of the two rotating plates 2121 in the width direction are joined to form the cover 212, the distal ends of the rotating plates 2121 are rotatably connected to the outer wall of the housing 211 by rotating shafts 2122, and the longitudinal direction of the rotating shafts 2122 is the same as the depth direction of the through holes 2111.

Referring to fig. 1 and 2, the digital engineering monitoring system of bim further includes a driving source 3 for driving the movement of the cover plate 212, and the driving source 3 includes a driving motor 31 and two driving gears 32. The rotating plate 2121 is fixed to a rotating shaft 2122, and the rotating shaft 2122 is rotatably connected to the housing 211. Two driving gears 32 are coaxially fixed to the two rotational shafts 2122 in one-to-one correspondence, the two driving gears 32 are fixed to the side of the rotational plate 2121 facing the wall surface 10, and the two driving gears 32 mesh with each other. The driving motor 31 is fixed to an inner wall of the housing 211, and a motor shaft of the driving motor 31 is coaxially fixed to one of the rotational shafts 2122.

Referring to fig. 1 and 3, when the through holes 2111 are closed by the two rotating plates 2121, the end surfaces of the two rotating plates 2121 that are close to each other are provided with receiving grooves 2123, dust screens 4 for covering the through holes 2111 are provided in the receiving grooves 2123, and the receiving grooves 2123 are used for receiving the dust screens 4. The dust screen 4 is fan-shaped, two ends of the dust screen 4 are fixed on the inner walls of the two accommodating grooves 2123, and the dust screen 4 is made of plastic and has certain flexibility, so that the dust screen 4 can be accommodated in the accommodating grooves 2123. The dust screen 4 is distributed with air holes. Two support rods 41 are fixed on the dust screen 4, the length direction of the support rods 41 is along the radial direction of the fan shape, and the support rods 41 support the dust screen 4, so that the dust screen 4 is conveniently stored in the storage groove 2123.

Referring to fig. 1, a humidity sensor and a central processing unit are disposed in the shield 2, the humidity sensor and the central processing unit are installed in the camera body 11, the humidity sensor is used for detecting the humidity in the shield 2, the central processing unit is electrically connected to the humidity sensor, and the driving motor 31 and the exhaust fan 2112 are also electrically connected to the central processing unit.

When humidity sensor detected the humidity of certain concentration, central processing unit control air discharge fan 2112 and driving motor 31 opened, driving motor 31 drive two rotor plates 2121 open port 2111 towards keeping away from the direction rotation back each other, air discharge fan 2112 replaces the great air of humidity in the dustcoat 211 with the external world, make the inside and outside humidity of protection casing 2 one extremely, make difficult appearance water smoke in the protection casing 2, make surveillance camera head body 1 can keep more clear control picture.

Referring to fig. 4, 5, the digital engineering monitoring system of bim further includes a cleaning mechanism 5 for cleaning the mirror surface of the camera lens 12. The cleaning mechanism 5 includes a cleaning assembly 51 and a positioning member 52. The cleaning assembly 51 comprises a winding roller 511, a wiping soft board 512 and a winding device 513 driving the winding roller 511 to rotate. The camera lens 12 includes a lens body 121 and a lens cover 122 located on the top of the lens body 121, wherein the lens cover 122 protrudes the mirror surface of the camera lens 12.

Referring to fig. 5, a support 1221 is fixed on the top of the lens cap 122, two ends of the wind-up roller 511 are rotatably connected to the support 1221, the length direction of the wind-up roller 511 is parallel to the mirror surface of the camera lens 12, and the wind-up roller 511 is used for winding and wiping the soft plate 512.

Referring to fig. 5, the winding device 513 includes a winding motor 5131 and two winding gears 5132 engaged with each other, the rotation shafts of the two winding gears 5132 are parallel, one winding gear 5132 is coaxially fixed with the winding roller 511, and the other winding gear 5132 is coaxially fixed with the motor shaft of the winding motor 5131. The winding motor 5131 is fixed on the support frame 1221, the winding motor 5131 and the winding roller 511 are positioned on the same side of the two gears, and the winding motor 5131 is electrically connected with the central processing unit.

Referring to fig. 5, a rolling opening 1222 is opened at an end of the lens cover 122 away from the mirror surface of the camera lens 12, and a depth direction of the rolling opening 1222 is parallel to the mirror surface of the camera lens 12. When the soft wiping plate 512 is wound on the winding roller 511, the end of the soft wiping plate 512 is still located in the winding port 1222 to form a guide.

Referring to fig. 4 and 5, the cleaning assembly 51 further includes two supporting plates 5133, and the tops of the ends of the two supporting plates 5133 far away from the mirror surface of the camera lens 12 are rotatably connected to both sides of the lens body 121 by hinge shafts 5134, and at this time, the ends of the supporting plates 5133 protrude out of the mirror surface of the camera lens 12 toward the side of the camera lens 12 far away from the camera body 11. The two support plates 5133 are parallel to each other, and the length direction of the hinge shaft 5134 is parallel to the length direction of the wind-up roller 511.

Referring to fig. 4 and 5, the two support plates 5133 swing downward by their own weight, the positioning element 52 is used to drive the ends of the support plates 5133 away from the hinge axis 5134 to be located at two sides of the mirror surface of the camera lens 12, and the sides of the two support plates 5133 located at two sides of the mirror surface of the camera lens 12, where the ends are close to each other, are provided with sliding grooves 5135 for the wiping soft plate 512 to slide. The longitudinal direction of the sliding groove 5135 is parallel to the mirror surface of the camera lens 12.

Referring to fig. 4, the positioning member 52 includes a rotating lever 521, an elastic member 522, and two lift pins 523. The rotating rod 521 is rotatably connected with the inner wall of the outer cover 211 through a connecting shaft 525, and the length direction of the connecting shaft 525 is parallel to the winding roller 511. The length direction of the rotating lever 521 is perpendicular to the length direction of the connecting shaft 525. The rotating lever 521 is located between the wall surface 10 and the camera lens 12.

Referring to fig. 2 and 4, a driving groove 53 for extending and sliding an end of the rotation shaft 2122 is formed in a side wall of the housing 211 where the through hole 2111 is formed, and a length direction of the driving groove 53 is vertical. When the two rotational plates 2121 are separated from each other, one of the rotational plates 2121 abuts on the end of the rotational lever 521 extending out of the drive groove 53 to move upward.

Referring to fig. 4, the two push rods 523 are fixed to the end portion of the rotating rod 521 located in the housing 211, the two push rods 523 are parallel to each other, the two push rods 523 are fixed to the rotating rod 521 through a connecting rod 524, and the two push rods 523 are fixed to both ends of the connecting rod 524 in the longitudinal direction. The end of the rotating rod 521 in the housing 211 is fixed to one end of the connecting rod 524, and the length direction of the connecting rod 524 is parallel to the connecting shaft 525.

Referring to fig. 4 and 5, when the end of the rotating lever 521 extending out of the driving groove 53 is tilted upward, the two push rods 523 rotate downward. The end portion, far away from the sliding groove 5135, of the support plate 5133 is fixed with the top block 526, the top block 526 is used for enabling the top rod 523 to abut against when rotating downwards, so that the support plate 5133 rotates by overcoming the gravity of the support plate 5133, the end portion, provided with the sliding groove 5135, of the support plate 5133 upwarps and is located on two sides of the mirror surface of the lens body 121, at the moment, the end portion, provided with the sliding groove 5135, of the support plate 5133 protrudes out of the mirror surface of the camera lens 12, and the wiping soft plate 512 can slide along the length direction of the sliding groove 5135.

Referring to fig. 4, the elastic member 522 is a torsion spring 5221, the torsion spring 5221 is fixed at two ends of the rotating rod 521, the other end of the inner wall of the fixed outer cover 211 at one end of the torsion spring 5221 is fixed to the connecting shaft 525, and the elastic force of the torsion spring 5221 drives the ejector rod 523 to keep separating from the ejector block 526 and tilt up, so that the supporting plate 5133 can swing down and separate from two sides of the mirror surface of the lens body 121, and the lens body 121 has a wide visual field.

Referring to fig. 5 and 6, the wiping soft plate 512 includes a rubber plate 6 and a plurality of sliding bars 7 slidably disposed on one side of the rubber plate 6. The rubber plate 6 has certain elasticity, so that the rubber plate 6 can be wound on the winding roller 511, and the rubber plate 6 also has certain hardness, so that the rubber plate 6 can support and drive the sliding strip 7 to move in the sliding groove 5135.

Referring to fig. 5 and 6, when both ends of the rubber plate 6 in the width direction slide into the sliding grooves 5135, a plurality of moving grooves 61 are formed at intervals on the side of the rubber plate 6 facing the mirror surface of the lens body 121. The plurality of moving grooves 61 are parallel to each other, the longitudinal direction of the plurality of moving grooves 61 is the same as the longitudinal direction of the wind-up roll 511, and the arrangement direction of the plurality of moving grooves 61 is the same as the longitudinal direction of the rubber sheet 6.

Referring to fig. 5 and 6, the sliding bar 7 includes a wiping bar 71 and a moving bar 72 fixed in parallel with each other, the moving groove 61 is a necking groove, the moving bars 72 are slidably disposed in the moving groove 61 in a one-to-one correspondence manner, and the length direction of the moving bar 72 is the same as the length direction of the moving groove 61. The sliding groove 5135 is provided with a driving mechanism 8 for driving the sliding bar 7 to slide back and forth along the length direction of the moving groove 61. The wiping strip 71 is used to abut against and wipe the mirror surface of the lens body 121.

Referring to fig. 6 and 7, the sliding groove 5135 includes a first sliding groove 51351 for sliding the rubber sheet 6, and the sliding groove 5135 further includes a second sliding groove 51352 for sliding the sliding bar 7. The driving structure 8 includes protrusions 81 fixed to the groove walls of the second sliding groove 51352 at intervals, and the plurality of protrusions 81 are arranged in the sliding direction of the rubber sheet 6. The plurality of projections 81 project in a direction in which the two support plates 5133 approach each other. The protrusions 81 of one support plate 5133 face the spaces between the adjacent protrusions 81 of the other support plate 5133. The protrusions 81 are used for connecting the end parts of the wiping strip 71 in the length direction in a low mode, the end faces, far away from the second sliding grooves 51352, of the protrusions 81 are cambered surfaces 9, and the two end faces of the wiping strip 71 in the length direction are also cambered surfaces 9, so that a guiding effect is formed, the protrusions 81 can conveniently connect the wiping strip 71 in the low mode, and the wiping strip 71 can reciprocate on the rubber plate 6 along the moving grooves 61.

The implementation principle of the digital engineering monitoring system of the BIM in the embodiment of the application is as follows: when the humidity sensor detects that the humidity in the shield 2 is high, the central processing unit controls the exhaust fan 2112 to be opened and the driving motor 31 to be opened firstly, the driving motor 31 drives the two rotating plates 2121 to rotate away from each other through the driving gear 32, so that the through hole 2111 is opened, the dust screen 4 covers the through hole 2111, the air in the shield 2 is replaced by the air in the shield 2112, and the water mist is not easy to appear in the shield 2.

When the two rotating plates 2121 rotate to be away from each other, when one of the rotating plates 2121 upwarps the end of the rotating rod 521 extending out of the driving groove 53, the ejector rod 523 abuts against the ejector block 526 to rotate the end of the supporting plate 5133 provided with the sliding groove 5135 to the two sides of the mirror surface of the lens body 121, at this time, the central processor controls the winding roller 511 to rotate, so that the rubber plate 6 slides in the first sliding groove 51351, the sliding strip 7 pushes the rubber plate 6 to slide in a reciprocating manner through the protrusion 81 arranged in the second sliding groove 51352, and the sliding strip 7 wipes the mirror surface of the lens body 121.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a BIM's digital engineering monitored control system, includes surveillance camera head body (1) and holds surveillance camera head's protection casing (2), its characterized in that: the protective cover (2) comprises a main cover (21) and an auxiliary cover (22) which are communicated with each other, the auxiliary cover (22) is used for being fixed with the wall surface (10), and one end, far away from the wall surface (10), of the auxiliary cover (22) is communicated with the side wall of the bottom end of the main cover (21); the main cover (21) comprises an outer cover (211) and a cover plate (212), a through hole (2111) is formed in one side wall, facing the wall surface (10), of the top end of the outer cover (211), and the cover plate (212) is used for sealing the through hole (2111);

the automatic opening device is characterized by further comprising a driving source (3) arranged on the outer cover (211), wherein the driving source (3) is used for driving the through opening (2111) to be opened after the cover plate (212) moves; the air exhaust fan (2112) is arranged on the outer cover (211), and the air exhaust fan (2112) is used for driving air in the protective cover (2) to flow out of the through hole (2111); the device also comprises a humidity sensor and a central processor which are arranged in the protective cover (2), wherein the central processor is electrically connected with the humidity sensor, the driving source (3) and the exhaust fan (2112);

the cover plate (212) comprises two rotating plates (2121) which are rotatably arranged on the outer cover (211) through rotating shafts (2122), and the two rotating plates (2121) are arranged on the same plane; the rotating shaft (2122) is arranged at the end parts, close to each other, of the top ends of the two rotating plates (2121), and the length direction of the rotating shaft (2122) is the same as the depth direction of the through hole (2111); the driving source (3) drives the two rotating plates (2121) to rotate towards the sides far away from each other;

the end surfaces, close to each other, of the rotating plates (2121) are provided with accommodating grooves (2123), dust screens (4) used for covering through holes (2111) are arranged in the accommodating grooves (2123), two ends of each dust screen (4) are fixed to the groove walls of the two accommodating grooves (2123), and the accommodating grooves (2123) are used for accommodating the dust screens (4);

the monitoring camera body (1) comprises a camera main body (11) and a camera lens (12) fixed at one end, far away from the wall surface (10), of the camera main body (11);

the cleaning mechanism (5) is used for cleaning the mirror surface of the camera lens (12), the cleaning mechanism (5) comprises a cleaning component (51) arranged at the top of the monitoring camera body (1), the cleaning component (51) comprises a winding roller (511), a wiping soft plate (512) wound on the winding roller (511) and a winding device (513) driving the winding roller (511) to rotate, and the wiping soft plate (512) is used for wiping the mirror surface of the camera lens (12); the winding device (513) is electrically connected with the central processing unit;

the cleaning assembly (51) further comprises support plates (5133) which are arranged on two sides of the camera lens (12) and are parallel to each other, and the end parts of the two support plates (5133) protrude out of the mirror surface of the camera lens (12) towards one side, far away from the camera body (11), of the camera lens (12); sliding grooves (5135) are formed in the side, close to each other, of the end portion, protruding out of the lens face of the camera lens (12), of the supporting plate (5133), two ends of the wiping soft plate (512) in the width direction can slide along the length direction of the sliding grooves (5135), and when the wiping soft plate (512) slides along the sliding grooves (5135), the side face of the wiping soft plate (512) is in sliding contact with the lens face of the camera lens (12).

2. The BIM digital engineering monitoring system of claim 1, wherein: backup pad (5133) passes through articulated shaft (5134) and rotates and set up in the both sides of camera lens (12), articulated shaft (5134) set up in backup pad (5133) keep away from the top of the tip of sliding tray (5135), clearance mechanism (5) still includes setting element (52), setting element (52) are used for driving backup pad (5133) and are provided with the tip protrusion camera lens's (12) mirror surface of sliding tray (5135).

3. The BIM digital engineering monitoring system of claim 2, wherein: the positioning piece (52) comprises a rotating rod (521) which is rotatably connected to the inner wall of the outer cover (211) through a connecting shaft (525), and a vertical driving groove (53) for the end part of the rotating shaft (2122) to extend out is formed in the side wall, facing the wall surface (10), of the outer cover (211); when the two rotating plates (2121) are far away from each other, one of the rotating plates (2121) abuts against the end part of the rotating rod (521) extending out of the driving groove (53) to move upwards;

the positioning piece (52) also comprises two ejector rods (523) which are fixed at the end part of the rotating rod (521) positioned in the outer cover (211); a top block (526) for a top rod (523) to abut against is fixed on the end part, facing the wall surface (10), of the supporting plate (5133), and when the rotating plate (2121) abuts against the end part, extending out of the driving groove (53), of the rotating rod (521) to tilt upwards, the top rod (523) moves downwards and abuts against the end part, provided with a sliding groove (5135), of the top block (526) driving supporting plate (5133) to keep protruding out of the mirror surface of the camera lens (12); the positioning piece (52) further comprises an elastic piece (522) which drives the ejector rod (523) to upwarp and separate from the ejector block (526).

4. The BIM digital engineering monitoring system of claim 3, wherein: the wiping soft board (512) comprises a rubber board (6) and a plurality of sliding strips (7), wherein a plurality of parallel moving grooves (61) are formed in the side surface, facing the camera lens (12), of the rubber board (6), the length direction of the moving grooves (61) is the same as that of the winding roller (511), the moving grooves (61) are arranged along the length direction of the rubber board (6), and the length direction of the sliding strips (7) is the same as that of the moving grooves (61); the sliding strip (7) comprises a wiping strip (71) and a moving strip (72) which is fixed in parallel with the wiping strip (71), the moving strip (72) is arranged in the moving groove (61) in a sliding mode, and a driving structure (8) which drives the sliding strip (7) to slide in a reciprocating mode along the length direction of the moving groove (61) is arranged on the supporting plate (5133).

5. The BIM digital engineering monitoring system of claim 4, wherein: the sliding groove (5135) comprises a first sliding groove (51351) for the rubber plate (6) to slide and a second sliding groove (51352) for the sliding strip (7) to slide, the driving structure (8) is a bulge (81) fixed on the groove wall of the second sliding groove (51352) at intervals, and the arrangement direction of the bulges (81) is along the sliding direction of the wiping soft plate (512); the bulge (81) protrudes towards the direction between the two support plates (5133), and the surface of the bulge (81) facing the direction between the two support plates (5133) is an arc surface (9); two terminal surfaces of wiping strip (71) length direction are cambered surface (9), a plurality of archs (81) on backup pad (5133) just to another backup pad (5133) on the interval between adjacent arch (81), cambered surface (9) on arch (81) are used for with the both ends butt of wiping strip (71) length direction.

6. The BIM digital engineering monitoring system of claim 1, wherein: the dustproof net (4) is fan-shaped, at least one supporting rod (41) is fixed on the dustproof net (4), and the supporting rod (41) is fixed in the middle of the dustproof net (4) along the radial direction of the fan-shaped.