CN210781046U - Safety monitoring system for coal unloading ditch of thermal power plant - Google Patents
Safety monitoring system for coal unloading ditch of thermal power plant Download PDFInfo
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- CN210781046U CN210781046U CN202020000687.XU CN202020000687U CN210781046U CN 210781046 U CN210781046 U CN 210781046U CN 202020000687 U CN202020000687 U CN 202020000687U CN 210781046 U CN210781046 U CN 210781046U
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Abstract
The utility model relates to a safety monitoring system for coal discharge ditch of thermal power plant, which adopts the technical proposal that the parking position of a coal car is used as an operation space around, a closed arc-shaped track is fixed on the lower surface of a ceiling above the operation space, a sliding camera supporting platform is arranged on the arc-shaped track, a behavior analysis camera is fixed at the bottom of the camera supporting platform, the camera supporting platform slides for a circle along the closed arc-shaped track, and the monitoring range of the behavior analysis camera comprises the whole operation space, the utility model monitors the operation behavior of workers in the operation space around the coal car in real time in the cyclic sliding process of the behavior analysis camera, sends out an alarm signal to a terminal when the operation behavior of the workers is unsafe or does not conform to safety regulations, forms a closed loop in a monitoring area through the closed arc-shaped track, and effectively avoids safety accidents caused by non-standard operation, and the management efficiency of the manager is improved.
Description
Technical Field
The utility model relates to a coal unloading ditch operation monitoring technology field, especially a safety monitoring system for coal unloading ditch of thermal power plant.
Background
Thermal power generation belongs to high-risk industries, and particularly in production fields such as coal unloading ditches, coal storage yards and the like, safety accidents can occur due to slight paralysis, and serious casualties and property losses can occur. The environment of the coal unloading ditch operation area is complex, and the coal unloading ditch operation area comprises a coal pulling car, a hook machine, a coal pile and the like. The level of understanding and safety awareness of the production personnel in the power plant is also ragged. The personnel may do some unsafe behaviors or operations which do not accord with the safety regulations in the working process, which may hinder the safe production of the power plant and even may cause personal casualty accidents. However, sometimes these actions or operations of the production personnel are done unconsciously. The existing safety production work of the thermal power plant is basically completed through ways of safety training, on-site arrangement of warning boards, video monitoring and the like. However, timely warning cannot be achieved, and therefore, how to warn production personnel of behaviors or operations which are unsafe and do not accord with safety regulations is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model aims at providing a safety monitoring system for coal discharge ditch of thermal power plant, can effectively solve the problem of coal discharge ditch operation personnel safety work monitoring.
The utility model provides a technical scheme be:
a safety monitoring system for a coal unloading ditch of a thermal power plant comprises a coal unloading area of the coal unloading ditch of the thermal power plant, a ceiling is arranged above the coal unloading area through a support column, a coal car parking position is arranged in the coal unloading area, the periphery of the coal car parking position serves as an operation space, a closed arc-shaped track is fixed on the lower surface of the ceiling above the operation space, a sliding camera supporting table is arranged on the arc-shaped track, a behavior analysis camera is fixed at the bottom of the camera supporting table, the camera supporting table slides for a circle along the closed arc-shaped track, the monitoring range of the behavior analysis camera comprises the whole operation space, the behavior analysis camera is connected with a terminal through a wireless network signal, the coal car stops at the coal car parking position after entering the coal unloading area, the camera supporting table slides circularly around the arc-shaped track, and in the sliding process, the behavior analysis camera monitors, when the operation behavior of the working personnel is unsafe or does not accord with the safety regulation, an alarm signal is sent out, and meanwhile, the monitoring video of the operation space is transmitted to the terminal.
The signal output end of the behavior analysis camera is connected with the input end of the switch through a wireless network signal, the output end of the switch is connected with the input end of the network hard disk recorder through a wireless network signal, and the output end of the network hard disk recorder is connected with the terminal through a high-definition decoder.
The arc track includes the track support, the track support is by the straightway that both sides are parallel to each other and the closed body structure that constitutes with the circular arc section that two straightway both ends smooth connection together, the cross-section of track support is the rectangle, track support both sides set up rather than coaxial cylindric guide rail respectively, camera brace table includes bottom plate and the vertical curb plate of fixing in the bottom plate both sides, it does not rotate the first pulley and the second pulley of slide card dress under the cylindric guide rail of homonymy of connection with the slide card dress to divide equally on the curb plate of both sides, the bottom plate side is provided with and is used for driving first pulley or second pulley along the rolling motor of cylindric guide rail, constitute camera supporting bench along the axial sliding construction of cylindric guide rail, the behavior analysis camera is the lower surface that the slope.
The cross section of the cylindrical guide rail is circular, the first pulley comprises a first rotating shaft which is rotatably connected to the corresponding side plate and a first pulley which is fixed to the first rotating shaft, a V-shaped first limiting groove is formed in the outer side face of the first pulley and clamped on the upper surface of the cylindrical guide rail, the second pulley comprises a second rotating shaft which is rotatably connected to the corresponding side plate and a second pulley body which is fixed to the second rotating shaft, a V-shaped second limiting groove is formed in the outer side face of the second pulley body, and the second limiting groove is clamped on the lower surface of the cylindrical guide rail.
The utility model discloses novel structure is unique, simple reasonable, easy production, easy operation, add the arc track on the ceiling of the present coal unloading ditch of thermal power plant and slide the camera supporting bench that sets up on the arc track, and set up behavior analysis camera in the bottom of camera supporting bench, in the gliding in-process of behavior analysis camera circulation, the operation action of the staff in operation space around the real-time supervision coal car, when the action of staff appears unsafe or is not conform to the action or the operation of safety regulation, send alarm signal, transmit the surveillance video in operation space for the terminal simultaneously, this application forms a monitoring area's closed loop through closed arc track, whole operation space has been covered from the top, thereby can be comprehensive carry out real-time supervision to the operation action of operation staff, and transmit the surveillance video for the terminal and carry out preview, The storage and playback are convenient to backtrack, the nonstandard behaviors of the operating personnel are corrected in time, the potential safety hazard of a power plant is greatly reduced, safety accidents caused by nonstandard operation are effectively avoided, the management efficiency of management personnel is improved, the use is convenient, the effect is good, and good social and economic benefits are achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is the utility model discloses arc track and camera supporting bench's assembly schematic cross-sectional view.
Fig. 3 is a sectional view of the cylindrical guide rail of the present invention.
Fig. 4 is a schematic structural diagram of the first pulley of the present invention.
Fig. 5 is a schematic structural diagram of the second pulley of the present invention.
Fig. 6 is a schematic structural view of the arc track of the present invention.
Fig. 7 is a schematic plan view of the working space of the coal unloading area of the present invention.
Fig. 8 is a frame diagram of the connection principle of the components of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1-7, the utility model comprises a coal unloading area 1 of a coal unloading ditch of a thermal power plant, a ceiling 3 is arranged above the coal unloading area 1 through a strut 2, a coal car parking position 16 is arranged in the coal unloading area 1, the coal car parking position 16 is used as an operation space 17 around, a closed arc-shaped track is fixed on the lower surface of the ceiling 3 above the operation space 17, a sliding camera supporting platform is arranged on the arc-shaped track, a behavior analysis camera 9 is fixed at the bottom of the camera supporting platform, the camera supporting platform slides for a circle along the closed arc-shaped track, the monitoring range 9a of the behavior analysis camera 9 comprises the whole operation space 17, the behavior analysis camera 9 is connected with a terminal through a wireless network signal, the coal car is parked at the coal car parking position 16 after entering the coal unloading area 1, the camera supporting platform slides circularly around the arc-shaped track, in the sliding process, the operation behavior of a worker in the operation, when the operation behavior of the working personnel is unsafe or does not accord with the safety regulation, an alarm signal is sent out, and meanwhile, the monitoring video of the operation space is transmitted to the terminal.
In order to ensure the using effect, the signal output end of the behavior analysis camera 9 is connected with the input end of the switch through a wireless network signal, the output end of the switch is connected with the input end of the network hard disk recorder through a wireless network signal, and the output end of the network hard disk recorder is connected with the terminal through a high-definition decoder.
The behavior analysis camera 9 is used for monitoring the working behavior of the workers in the working space around the coal car 16a in real time, and sending out an alarm signal when the working behavior of the workers is unsafe and does not accord with the behavior or operation of safety regulations; the analysis camera 9 with the function is the prior art, such as a model DS-2CD 8426F/B-I200 binocular behavior analysis camera manufactured and sold by Hangzhou Haokiwei vision digital technology corporation, and the specific parameters of the model of the behavior analysis camera are as follows:
the size of the machine body is as follows: 181 mm. times.147 mm. times.119 mm;
weight: 1500 g;
working temperature and humidity: 10 ℃ below zero to 40 ℃ below zero and the humidity is less than 95 percent;
GPU: a GPU module with an intelligent analysis function is built in;
a rear end interface: a DC36V power interface, an RJ 4510M/100M self-adaptive Ethernet port, 1-path alarm input/output and 1-path audio input/output, wherein the maximum power consumption is 27W in actual measurement;
maximum image size: 1920 × 1080;
video compression algorithm: support for H.265/H.264/MJPEG;
the functions of crossing warning lines, loitering, running detection, people number abnormality detection, falling detection, detention detection and the like of the device can be utilized.
The switch is in the prior art and plays a role of a bridge of wireless network transmission. The network transmission can utilize Ethernet to transmit data to a network hard disk recorder or a terminal, so as to realize remote real-time monitoring and video storage. Network transport protocol requirements: the system network layer supports the IP protocol, and the transport layer supports the TCP and UDP protocols. Media transport protocol requirements: the video and audio streams should support RTP/RTCP protocol when transmitted on IP-based network, and the wireless network transmission technology is the prior art.
The network hard disk recorder is in the prior art and is used for previewing, storing and replaying the monitoring video in the operation space of the coal unloading area and transmitting the video to the terminal through the high-definition decoder. For example, the model number DS-8616N-F8 NVR can be produced and sold by Hangzhou Haokiwei digital technology corporation as a 16-channel high definition network video recorder.
The high-definition decoder is used for decoding compressed videos transmitted by a front-end network, and the technology is the prior art, such as Haikang DS-6900UD series and Haikang DS-6400HD-T series high-definition decoders which are produced and sold by Hangzhou Haikangwei video digital technology GmbH and support HDMI, VGA and BNC output ports for decoding and outputting; the decoding of various encoding code streams such as H.265, H.264, MPEG4, MJPEG and the like is supported, the decoding performance is strong, the decoding of the H.265/H.264 code stream with the resolution of 1200W or below is supported to the maximum extent, and the 4K ultra-high definition output is supported;
the terminal is a computer, and comprises a display and an alarm or an alarm lamp which can be connected with the computer, the computer can be used for receiving alarm signals sent by an alarm output end arranged in the behavior analysis camera, and the alarm signals are transmitted to the alarm to warn in time when behavior abnormality occurs to an operator.
The arc-shaped track comprises a track support 4, the track support 4 is a closed integrated structure consisting of straight-line segments 4a and arc segments 4b, the two sides of the straight-line segments are parallel to each other, the two ends of the arc segments are connected with each other smoothly, the cross section of the track support 4 is rectangular, cylindrical guide rails 5 coaxial with the track support 4 are arranged on the two sides of the track support 4 respectively, namely, the axes of the cylindrical guide rails on the two sides are parallel to the central line of the support table 4, namely, the cylindrical guide rails on the two sides are a closed integrated structure consisting of the straight-line segments on the two sides and the arc segments, the two ends of the straight-line segments are connected with each other smoothly, the camera support table comprises a bottom plate 13 and side plates 12 vertically fixed on the two sides of the bottom plate, a first pulley 6 and a second pulley 7 are respectively and rotatably connected to the upper parts of the cylindrical guide rails on the same side in a, the camera support is configured to slide along the axial direction of the cylindrical guide rail 5, and the behavior analysis camera 9 is fixed to the lower surface of the bottom plate 13 in an inclined state.
The behavior analysis camera 9 and the bottom plate 13 are connected in a conventional fixed connection manner such as bolt connection, flange connection, and adhesive connection. The inclination angle of the behavior analysis camera 9 is debugged during installation, and it needs to be satisfied that the camera support platform slides for a circle along the closed arc-shaped track, and the monitoring range 9a of the behavior analysis camera 9 includes the whole working space 17.
The track support 4 is fixedly hung on the lower surface of the ceiling 3 through a connecting column 10, the upper end of the connecting column 10 is connected with the ceiling 3 through a first connecting bolt 11a, and the lower end of the connecting column 10 is connected with the top of the track support 4 through a second connecting bolt 11b, so that a detachable connecting structure of the arc-shaped track and the ceiling is formed; preferably, the arc-shaped track is horizontally arranged, that is, the motion track of the behavior analysis camera slides along the cylindrical guide rail in the horizontal direction. During actual installation, the levelness of the arc-shaped track can be adjusted by adjusting the length of the connecting column.
The cross section of the cylindrical guide rail 5 is circular, the first pulley 6 comprises a first rotating shaft 62 rotatably connected to a corresponding side plate and a first pulley 6 fixed on the first rotating shaft 62, a V-shaped first limiting groove 6a is formed in the outer side surface of the first pulley 6, the first limiting groove 6a is clamped on the upper surface of the cylindrical guide rail 5, the second pulley 7 comprises a second rotating shaft 72 rotatably connected to the corresponding side plate and a second pulley body 71 fixed on the second rotating shaft 72, a V-shaped second limiting groove 7a is formed in the outer side surface of the second pulley body 71, and the second limiting groove 7a is clamped on the lower surface of the cylindrical guide rail 5; the first rotating shaft 62 is rotatably connected with the corresponding side plate through a first bearing 15a, and the second rotating shaft 72 is rotatably connected with the corresponding side plate through a second bearing 15 b; the cylindrical guide rails 5 are fixed to both sides of the support table 4 by connecting brackets 51.
The limiting grooves on the first pulley and the second pulley can be clamped on the upper portion and the lower portion of the cylindrical guide rail respectively, so that the sliding process is stable, the sliding is stable and accurate, the abrasion is reduced, the service life of equipment is prolonged, the derailing phenomenon is effectively prevented, and the whole monitoring is stable.
A driven gear 73 coaxial with the second pulley body 71 is fixed on the side surface of the second pulley body, and a driving gear 18 meshed with the driven gear 73 is fixed on a rotating shaft 8a of the motor 8, so that a rotating driving structure of the second pulley is formed; and motor supporting plates 14 for fixing the motor 8 are respectively fixed on two sides of the bottom of the side plate 12, a rotating shaft 8a of the motor 8 extends into the inner side of the side plate through a third bearing 15c on the corresponding side plate, and a driving gear 18 is fixed on a motor rotating shaft of the extending part.
When the utility model is used, the coal car 16a is stopped at the coal car parking position 16 after entering the coal unloading area 1, the operator can unload coal in the action space around the coal car, because the lower surface of the ceiling 3 above the operation space 17 is provided with the closed arc-shaped track, and the arc-shaped track is provided with the camera supporting table in a sliding way, the behavior analysis camera is arranged at the bottom of the camera supporting table, in the cyclic sliding process of the behavior analysis camera, the operation behavior of the operator in the operation space around the coal car can be monitored in real time, when the operation behavior of the operator is unsafe or does not accord with the safety regulations, an alarm signal is sent out, and the monitoring video of the operation space is transmitted to the terminal, the application forms a closed loop of a monitoring area through the closed arc-shaped track, the whole operation space is covered from the upper part, thereby the operation behavior of the operator can be monitored in real time comprehensively, and the monitoring video is transmitted to the terminal for previewing, storing and replaying, so that backtracking is convenient, the nonstandard behaviors of the operating personnel are corrected in time, the potential safety hazard of a power plant is greatly reduced, safety accidents caused by nonstandard operation are effectively avoided, the management efficiency of the management personnel is improved, and the monitoring video monitoring system is convenient to use, good in effect and good in social and economic benefits.
Claims (7)
1. The utility model provides a safety monitoring system for coal unloading ditch of thermal power plant, including coal unloading district (1) of coal unloading ditch of thermal power plant, it is provided with ceiling (3) through pillar (2) to unload coal district (1) top, a serial communication port, be provided with coal car parking position (16) in unloading coal district (1), coal car parking position (16) are all around as operation space (17), ceiling (3) lower fixed surface of operation space (17) top has closed arc track, be provided with gliding camera supporting bench on the arc track, camera supporting bench bottom is fixed with behavior analysis camera (9), camera supporting bench slides a week along closed arc track, monitoring range (9a) of behavior analysis camera (9) have contained whole operation space (17), behavior analysis camera (9) link to each other with the terminal through wireless network signal.
2. The safety monitoring system for the coal unloading trench of the thermal power plant as claimed in claim 1, wherein the signal output end of the behavior analysis camera (9) is connected with the input end of the switch through a wireless network signal, the output end of the switch is connected with the input end of the network hard disk recorder through a wireless network signal, and the output end of the network hard disk recorder is connected with the terminal through a high definition decoder.
3. The safety monitoring system for the coal unloading trench of the thermal power plant as claimed in claim 1, wherein the arc-shaped track comprises a track support (4), the track support (4) is a closed integral structure formed by a straight line section (4a) with two sides parallel to each other and a circular arc section (4b) with two ends smoothly connected together, the cross section of the track support (4) is rectangular, cylindrical guide rails (5) coaxial with the track support (4) are respectively arranged on two sides of the track support (4), the camera support platform comprises a bottom plate (13) and side plates (12) vertically fixed on two sides of the bottom plate, a first pulley (6) and a second pulley (7) are respectively and rotatably connected to the side plates (12) on two sides, the first pulley (6) and the second pulley (7) are slidably clamped on the upper portion of the cylindrical guide rails on the same side, a motor (8) for driving the first pulley (6) or the second pulley (7) to roll along the cylindrical guide rails is, the camera support platform forms a sliding structure along the axial direction of the cylindrical guide rail (5), and the behavior analysis camera (9) is fixed on the lower surface of the bottom plate (13) in an inclined shape.
4. The safety monitoring system for the coal unloading trench of the thermal power plant as claimed in claim 3, wherein the rail support (4) is fixed on the lower surface of the ceiling (3) through a connecting column (10) in a hanging manner, the upper end of the connecting column (10) is connected with the ceiling (3) through a first connecting bolt (11a), and the lower end of the connecting column (10) is connected with the top of the rail support (4) through a second connecting bolt (11b) to form a detachable connecting structure of the arc-shaped rail and the ceiling.
5. The safety monitoring system for a coal unloading trench of a thermal power plant according to claim 3, the cross section of the cylindrical guide rail (5) is circular, the first pulley (6) comprises a first rotating shaft (62) rotatably connected to the side plate corresponding to the first rotating shaft (62) and a first pulley (6) fixed to the first rotating shaft (62), a V-shaped first limiting groove (6a) is formed in the outer side face of the first pulley (6), the first limiting groove (6a) is clamped on the upper surface of the cylindrical guide rail (5), the second pulley (7) comprises a second rotating shaft (72) rotatably connected to the side plate corresponding to the second pulley (7) and a second pulley body (71) fixed to the second rotating shaft (72), a V-shaped second limiting groove (7a) is formed in the outer side face of the second pulley body (71), and the second limiting groove (7a) is clamped on the lower surface of the cylindrical guide rail (5).
6. The safety monitoring system for the coal unloading ditch of the thermal power plant as claimed in claim 5, characterized in that a driven gear (73) coaxial with the second pulley body (71) is fixed on the side surface of the second pulley body, and a driving gear (18) meshed with the driven gear (73) is fixed on a rotating shaft (8a) of the motor (8) to form a rotating driving structure of the second pulley.
7. The safety monitoring system for the coal unloading trench of the thermal power plant as claimed in claim 6, wherein two sides of the bottom of the side plate (12) are respectively fixed with a motor support plate (14) for fixing the motor (8), the rotating shaft (8a) of the motor (8) extends into the inner side of the side plate through a third bearing (15c) on the corresponding side plate, and the driving gear (18) is fixed on the rotating shaft of the motor of the extending part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000687.XU CN210781046U (en) | 2020-01-02 | 2020-01-02 | Safety monitoring system for coal unloading ditch of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020000687.XU CN210781046U (en) | 2020-01-02 | 2020-01-02 | Safety monitoring system for coal unloading ditch of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781046U true CN210781046U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020000687.XU Active CN210781046U (en) | 2020-01-02 | 2020-01-02 | Safety monitoring system for coal unloading ditch of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210781046U (en) |
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2020
- 2020-01-02 CN CN202020000687.XU patent/CN210781046U/en active Active
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