CN109100715B - Power grid wide-area real-time mountain fire monitoring device based on multispectral heat energy monitoring radar - Google Patents
Power grid wide-area real-time mountain fire monitoring device based on multispectral heat energy monitoring radar Download PDFInfo
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- CN109100715B CN109100715B CN201810569967.XA CN201810569967A CN109100715B CN 109100715 B CN109100715 B CN 109100715B CN 201810569967 A CN201810569967 A CN 201810569967A CN 109100715 B CN109100715 B CN 109100715B
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- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
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Abstract
The invention discloses a power grid wide-area real-time mountain fire monitoring device based on a multispectral thermal energy monitoring radar, which comprises a radar antenna device and a terminal industrial personal computer in communication connection with the radar antenna device, wherein the radar antenna device comprises a radar antenna, a dual-spectrum camera, a pitching box, a U-shaped support, a base and a wireless transmission module, the radar antenna is fixed with one end of the pitching box through a flange, the other end of the pitching box is arranged in a suspended mode, the dual-spectrum camera is fixed with one side of the radar antenna through a support, the upper end of the U-shaped support is rotatably connected with the inner part of the pitching box through pitching gear bearings arranged on two side walls of the pitching box, the lower end of the U-shaped support is rotatably connected with the top of the base through a crossed roller slewing gear bearing arranged on the top of the base, and. The invention has the advantages of wide measurement coverage, accurate fire detection position, high precision and the like, can effectively save the investment of manpower and material resources, and reduces the property loss of line resources.
Description
Technical Field
The invention relates to a mountain fire detection device and method, in particular to a power grid wide-area real-time mountain fire monitoring device based on a multispectral heat energy monitoring radar.
Background
With the continuous improvement of the requirements of economic development and construction of China on the reliability of power supply, the influence caused by power interruption is more and more intolerable. The power transmission line is the main artery of the power grid, which affects the safe operation of the power grid, especially with the rapid construction of important power transmission lines such as ultra/extra-high voltage lines, large power supply output lines, cross-regional networking lines and the like, a batch of important power transmission channels with large transmission capacity and dense arrangement are gradually formed, and the impact and the influence on the power grid after the channels break down are larger. Therefore, the capabilities of improving the safe operation level of the power transmission line and improving the resistance of the important power transmission channel to natural disasters and artificial damages are always important to the safety of the power grid. However, for an important power transmission channel, the power transmission distance is long, the meteorological and geographic environments along the path are complex, and parts of the area are rare and difficult to communicate. Such adverse factors easily cause tripping and faults of the power grid due to external factors of the line such as severe weather, mountain fire, external force damage and the like, and cause great difficulty in maintenance and repair work.
The power transmission line forest fire disaster has the characteristics of sudden property, randomness of disaster occurrence and huge loss in a short time, and becomes the important factor for power transmission line forest fire prevention. As known to those skilled in the art, it is difficult to completely avoid a fire in a power transmission line forest, but it is still possible to minimize the loss caused by the fire in the power transmission line forest.
The current methods of detecting fires mostly rely on reports from people and visitors, but this is neither automated nor at the discretion of the individual. In addition, an infrared artificial satellite imaging system is also used by the structure, but the method only reflects the spread and spread large fire in the power transmission line forest area, but is difficult to detect the small-scale mountain fire. It is also not easy to analyze the infrared picture, and the mechanism takes a minimum of one to two hours to detect the location of the fire.
Disclosure of Invention
The invention aims to provide a power grid wide-area real-time mountain fire monitoring device based on a multispectral heat energy monitoring radar, which is used for overcoming the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that: a power grid wide-area real-time mountain fire monitoring device based on a multispectral thermal energy monitoring radar comprises a radar antenna device, the radar antenna device comprises a radar antenna, a dual-spectrum camera, a pitching box, a U-shaped support, a base and a wireless transmission module, the radar antenna is arranged at one end of the pitching box and fixedly connected with the pitching box through a flange, the other end of the pitching box is suspended in the air, the dual-spectrum camera is arranged on one side of the radar antenna and is fixedly connected with the radar antenna through a bracket, the upper end of the U-shaped support is rotatably connected with the middle part of the pitching box through pitching gear bearings arranged on two side walls of the pitching box, the lower end of the U-shaped support is rotatably connected with the top of the base through a rotary table arranged on the top of the base, the wireless transmission module is respectively in communication connection with the host of the dual-spectrum camera and the camera IP box installed in the pitching box;
the system also comprises a terminal industrial personal computer, wherein the terminal industrial personal computer is installed in the transformer substation machine room and is in communication connection with the radar antenna device through optical fibers.
Preferably, the radar antenna is a cassegrain reflector antenna, the cassegrain reflector antenna is composed of a primary reflector, a secondary reflector and a feed source, the secondary reflector is supported and fixed on the front face of the primary reflector through four support rods, the focal axis of the secondary reflector is overlapped with the focal axis of the primary reflector, the feed source is fixed between the primary reflector and the secondary reflector, and the center of the feed source is located on the focal axis of the secondary reflector.
Preferably, the primary reflector is a paraboloid of revolution reflector structure, the secondary reflector is a hyperboloid of revolution reflector structure, and the reflecting surfaces of the primary reflector and the secondary reflector are both made of carbon fiber materials.
Furthermore, a middle frame plate, a radar transceiving component, a camera IP box, a pitching driver, a monitoring module, a signal processor, an optical fiber switch, a pitching transmission device and a pitching box power supply are arranged in the pitching box, and the radar transceiving component, the camera IP box, the pitching driver, the monitoring module, the signal processor, the optical fiber switch, the pitching transmission device and the pitching box power supply are respectively arranged on two sides of the middle frame plate;
the monitoring module is respectively in communication connection with the radar transceiving component, the pitching driver and the signal processor through serial port data lines, the pitching driver is electrically connected with a pitching motor of the pitching transmission device, the signal processor is in communication connection with the optical fiber switch through a network port, the optical fiber switch is respectively in communication connection with the camera IP box and a terminal industrial personal computer through optical fibers, and the camera IP box is in communication connection with the dual-spectrum camera through the wireless transmission module;
the pitching transmission device comprises a pitching motor and a pitching reducer, the pitching driver is electrically connected with the pitching motor, a crankshaft of the pitching motor is connected with an input shaft of the pitching reducer, an output gear of the pitching reducer is meshed and connected with a gear of a pitching gear bearing arranged on one side wall of the pitching box, a first double-channel rotary transformer transmitter is further arranged in the pitching gear bearing arranged on the other side wall of the pitching box, a second double-channel rotary transformer transmitter is further arranged at the connecting part of the U-shaped support and the revolving platform, and the first double-channel rotary transformer transmitter and the second double-channel rotary transformer transmitter are both in communication connection with the monitoring module;
the radar transceiving component, the camera IP box, the pitching driver, the monitoring module, the signal processor, the optical fiber switch, the pitching transmission device, the first double-channel rotary transformer transmitter and the second double-channel rotary transformer transmitter are all electrically connected with the pitching box power supply;
install position transmission, position power, distribution board, collector ring, optical hinge and position driver in the base, the optical hinge pass through optic fibre with optic fibre switch and distribution board are connected, the distribution board respectively with position power and collector ring electricity are connected, the collector ring respectively with position power and position driver electricity are connected, the position driver respectively with position power and position transmission's position motor electricity is connected, position transmission and collector ring are all fixed on the base roof, the position power is fixed on the base bottom plate, the distribution board is fixed on the base lateral wall.
Further, the radar transceiver component comprises a radar transmitter and a radar receiver, the radar transmitter is connected with the radar antenna through a feeder line, the radar antenna is connected with the radar receiver through a feeder line, and the radar transmitter and the radar receiver are both in communication connection with the monitoring module through serial port data lines.
Further, the azimuth transmission device comprises an azimuth motor and an azimuth reducer, a crankshaft of the azimuth motor is connected with an input shaft of the azimuth reducer, and an output gear of the azimuth reducer is in meshed connection with a gear of a crossed roller rotary gear bearing installed in the rotary table.
Furthermore, a pitching box access door is further respectively installed on the other two side walls of the pitching box, and a pitching box counterweight component is further installed inside one end, far away from the radar antenna, of the pitching box.
Preferably, two spectral camera are two wave band thermal imaging camera, two wave band thermal imaging camera include thermal imaging lens subassembly, visible light lens subassembly, integration double window guard shield and host computer, the integration double window guard shield pass through the support with radar antenna fixed connection, thermal imaging lens subassembly and visible light lens subassembly all correspond to inlay and establish in the integration double window guard shield and with the host computer electricity is connected.
Further, still be equipped with base access door, observation door, power source and data interface on the outer wall of base, power source and data interface all with the distribution board electricity is connected.
Further, the signal processor is a digital intermediate frequency signal processor.
Compared with the prior art, the invention has the following advantages:
(1) the on-line monitoring of the mountain fire is realized by utilizing the radar remote measuring technology, the advantages of wide monitoring coverage, high accuracy, convenience in maintenance and the like are achieved, and the objective factors restricting the development of the on-line monitoring technology at present are overcome;
(2) the detection data can be automatically acquired by adopting a remote control working mode;
(3) unattended operation can be realized through a remote control function and data communication;
(4) a double-spectrum camera is used as auxiliary detection and is linked with an antenna system to collect high-resolution infrared images of suspected mountain fire areas, so that further fine detection of the mountain fire areas is realized;
(5) the method can be widely applied to monitoring of natural disasters and artificial damages such as severe weather, mountain fire and the like on important power transmission channels, so that the natural disaster and artificial damage risk defense capability of the important power transmission lines is comprehensively improved, and the fine management of the important power transmission lines is realized.
Drawings
FIG. 1 is an overall schematic view of one embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of a radar whole machine according to the present invention;
FIG. 3 is a schematic front view of an embodiment of a radar whole machine according to the present invention;
FIG. 4 is a schematic view of a backside structure of an embodiment of a complete radar apparatus of the present invention;
FIG. 5 is a schematic structural view of the pitching box and the U-shaped support 90;
FIG. 6 is a schematic sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic sectional view taken along line B-B in FIG. 5;
FIG. 8 is a schematic diagram of a back structure of the base 5;
FIG. 9 is a schematic cross-sectional view taken along line C-C of FIG. 8;
FIG. 10 is a schematic view of the structure in the direction D in FIG. 9;
in the figure: 1. a radar antenna; 1.1, a primary reflector; 1.2, a secondary reflector; 1.3, a feed source; 1.4, a support rod; 2. a dual spectrum camera; 2.1, a thermal imaging lens assembly; 2.2, a visible light lens assembly; 2.3, an integrated double-window shield; 3. a pitching box; 3.1, an intermediate frame plate; 3.2, radar receiving and transmitting components; 3.3, camera IP box; 3.4, a pitching driver; 3.5, a monitoring module; 3.6, a signal processor; 3.7, a fiber switch; 3.8, a pitching transmission device; 3.9, a pitching box power supply; 3.10, a first dual-channel rotary transformer transmitter; 4. a U-shaped support; 3.11, a pitching box access door; 3.12, a pitching box counterweight component; 5. a base; 5.1, an azimuth driving device; 5.1a, an azimuth motor; 5.1b, an azimuth reducer; 5.2, an azimuth power supply; 5.3, a switchboard; 5.4, a collector ring; 5.5, a base access door; 5.6, an observation door; 5.7, a power interface; 5.8, a data interface; 6. a wireless transmission module; 7. a flange; 8. a support; 9. a pitch gear bearing; 10. a turntable; 11. a terminal industrial personal computer; 12. crossed roller slewing gear bearings.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following description further explains how the invention is implemented by combining the attached drawings and the detailed implementation modes.
As shown in fig. 1, the power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar provided by the embodiment of the invention comprises a radar antenna device and a terminal industrial personal computer 11 connected with the radar antenna device through optical fiber communication, wherein the terminal industrial personal computer 11 is installed in a substation machine room;
wherein, as shown in fig. 2 to 4, the radar antenna device comprises a radar antenna 1, a dual spectrum camera 2, a pitching box 3, a U-shaped support 4, a base 5 and a wireless transmission module 6, the radar antenna 1 is fixedly connected with the front end of the pitching box 3 through a flange 7, the rear end of the pitching box 3 is arranged in a suspended way, the dual spectrum camera 2 is fixed at the top end of the radar antenna 1 through a bracket 8, the upper end of the U-shaped support 4 is rotatably connected with the middle part of the pitching box 3 through a pitching gear bearing 9 arranged on the two side walls of the pitching box 3, the lower end of the U-shaped support 4 is rotatably connected with the top part of the base 5 through a crossed roller slewing gear bearing 13 arranged in a slewing table 10 at the top part of the base 5, the wireless transmission module 6 is fixed on the outer wall of the base 5, the wireless transmission module 6 is respectively in communication connection with a host of the dual, the camera IP box 3.3 is used to receive the video information captured by the dual-spectrum camera 2 and then transmit it to the terminal industrial personal computer 11.
In the embodiment of the invention, the radar antenna 1 preferably adopts a cassegrain reflector antenna, which is composed of a primary reflector 1.1, a secondary reflector 1.2 and a feed source 1.3, wherein the secondary reflector 1.2 is supported and fixed on the front surface of the primary reflector 1.1 through four support rods 1.4, the focal axis of the secondary reflector 1.2 is superposed with the focal axis of the primary reflector 1.1, the feed source 1.3 is fixed between the primary reflector 1.1 and the secondary reflector 1.2, and the center of the feed source 1.3 is positioned on the focal axis of the secondary reflector 1.2; in the preferred embodiment, the primary reflector 1.1 is a paraboloid of revolution reflector structure, the secondary reflector 1.2 is a hyperboloid of revolution reflector structure, and the reflecting surfaces of the primary reflector 1.1 and the secondary reflector 1.2 are integrally molded by carbon fiber materials.
In the embodiment of the present invention, the dual-spectrum camera 2 preferably adopts a dual-band thermal imaging camera, as shown in fig. 2 and 3, the dual-band thermal imaging camera is composed of a thermal imaging lens assembly 2.1, a visible light lens assembly 2.2, an integrated dual-window shield 2.3 and a host (not shown in the figure), the integrated dual-window shield 2.3 is fixedly connected with the radar antenna 1 through a bracket 8, and the thermal imaging lens assembly 2.1 and the visible light lens assembly 2.2 are both correspondingly embedded in the integrated dual-window shield 2.3 and electrically connected with the host.
As shown in fig. 5 to 7, a middle frame plate 3.1, a radar transceiver component 3.2, a camera IP box 3.3, a pitch driver 3.4, a monitoring module 3.5, a signal processor 3.6, an optical fiber switch 3.7, a pitch transmission device 3.8 and a pitch box power supply 3.9 are installed in the pitch box 3, and the radar transceiver component 3.2, the camera IP box 3.3, the pitch driver 3.4, the monitoring module 3.5, the signal processor 3.6, the optical fiber switch 3.7, the pitch transmission device 3.8 and the pitch box power supply 3.9 are respectively arranged at two sides of the middle frame plate 3.1; the radar receiving and transmitting component 3.2 is connected with the radar antenna 1 through a waveguide, the monitoring module 3.5 is respectively in communication connection with the radar receiving and transmitting component 3.2, the pitching driver 3.4 and the signal processor 3.6 through serial port data lines, the pitching driver 3.4 is electrically connected with a pitching motor of the pitching transmission device 3.8, the signal processor 3.6 is in communication connection with the optical fiber switch 3.7 through a network port, the optical fiber switch 3.7 is respectively in communication connection with the camera IP box 3.3 and the terminal industrial personal computer 11 through optical fibers, and the camera IP box 3.3 is in communication connection with the dual-spectrum camera 2 through the wireless transmission module 6;
the radar transceiving component 3.2 comprises a radar transmitter and a radar receiver, the radar transmitter is connected with the radar antenna 1 through a feeder line and is used for amplifying a low-power excitation signal and then conducting the amplified low-power excitation signal to the radar antenna 1 through the feeder line, and the radar antenna 1 forms a fixed beam and radiates to the air; the radar receiver is connected with the radar antenna 1 through a feeder line and is used for receiving echo signals reflected by obstacles (in the invention, mountain fire) on a sweeping path of the radar antenna 1 and echo signals reflected by the mountain fire in the invention, and the echo signals are amplified, frequency-converted, filtered and sent to the signal processor 3.6 for digital processing;
the pitching transmission device 3.8 comprises a pitching motor and a pitching reducer, the pitching driver 3.4 is electrically connected with the pitching motor, a machine shaft of the pitching motor is connected with an input shaft of the pitching reducer, an output gear of the pitching reducer is meshed and connected with a gear of a pitching gear bearing 9 arranged on one side wall of the pitching box 3, and the machine shaft of the pitching motor rotates through the speed change of the pitching reducer to drive the gear of the pitching gear bearing 9 to axially rotate, so that the pitching box 3 can do pitching motion in a range of-2-90 degrees or a range of 0-90 degrees along the upper end of the U-shaped support 3. The lower end of a U-shaped support 4 is fixed on the shaft end of a crossed roller rotary gear bearing 12 through a rotary table 10 by a bolt, the crossed roller rotary gear bearing 12 is fixed on the top end of a base 5 through a fastener, a gear of the crossed roller rotary gear bearing 12 is meshed and connected with an output gear of an azimuth reducer installed in the base 5, an input shaft of the azimuth reducer is connected with a shaft of an azimuth motor installed in the base 5, the shaft of the azimuth motor rotates and drives the shaft of the crossed roller rotary gear bearing 12 to rotate after the speed of the azimuth reducer is changed, so that the rotary table 10 fixed on the shaft end of the rotary table rotates to realize that a radar antenna 1, a dual spectrum camera 2, a pitching box 3 and the U-shaped support 3 are linked to rotate in azimuth, and the bottom of the base 5 is fixed on;
in addition, a first dual-channel resolver transmitter 3.10 is further installed in a pitch gear bearing 9 installed on the other side wall of the pitch box 3, a second dual-channel resolver transmitter (not shown in the figure) is further installed at a connecting part of the U-shaped support 4 and the rotary table 10, and both the first dual-channel resolver transmitter 3.10 and the second dual-channel resolver transmitter are in communication connection with the monitoring module 3.5; the first dual-channel resolver transmitter 3.10 and the second dual-channel resolver transmitter are respectively used for transmitting the pitch angle signal and the azimuth angle signal of the left antenna to the signal processor 3.6, so as to accurately acquire the position information of the occurrence of the corresponding mountain fire.
The pitching box power supply 3.9 is also electrically connected with the radar transceiving component 3.2, the camera IP box 3.3, the pitching driver 3.4, the monitoring module 3.5, the signal processor 3.6, the optical fiber switch 3.7, the pitching transmission device 3.8, the first dual-channel rotating transformer transmitter 3.10 and the second dual-channel rotating transformer transmitter respectively, and is used for providing electric energy support for pitching motion.
As shown in fig. 8 to 10, an azimuth driving device 5.1, an azimuth power supply 5.2, a distribution board 5.3, a bus ring 5.4, an optical hinge (not shown) and an azimuth driver (not shown) are installed in the base 5, the optical hinge is connected with the optical fiber switch 3.7 and the distribution board 5.3 through optical fibers, the distribution board 5.3 is electrically connected with the azimuth power supply 5.2 and the bus ring 5.4 respectively, the bus ring 5.4 is electrically connected with the azimuth power supply 5.2 and the azimuth driver respectively, the azimuth driver is electrically connected with the azimuth power supply 5.2 and an azimuth motor 5.1a of the azimuth driving device 5.1 respectively, the azimuth driving device 5.1 and the bus ring 5.4 are fixed on the top plate of the base 5, the azimuth power supply 5.2 is fixed on the bottom plate of the base 5, and the distribution board 5.3 is fixed on the; the azimuth driving device 5.1 comprises an azimuth motor 5.1a and an azimuth reducer 5.1b, an azimuth driver is electrically connected with the azimuth motor 5.1a, a crankshaft of the azimuth motor 5.1a is connected with an input shaft of the azimuth reducer 5.1b, and an output gear of the azimuth reducer 5.1b is connected with a gear of the crossed roller rotary gear bearing 12 in a meshing manner.
As shown in fig. 2, a pitching box access door 3.11 is further installed on the other two side walls of the pitching box 3, and as shown in fig. 6 to 7, a pitching box counterweight assembly 3.12 is further installed inside one end of the pitching box 3 away from the radar antenna 1.
As shown in fig. 2 and 3, a base access door 5.5, an observation door 5.6, a power interface 5.7 and a data interface 5.8 are further arranged on the outer wall of the base 5, the power interface 5.7 and the data interface 5.8 are both electrically connected with the distribution board 5.3, the power interface 5.7 is used for being communicated with an external 220V mains supply connector and used for providing electric energy required by operation for the device, and the data interface 5.8 is connected with an external terminal industrial personal computer 11 and used for transmitting a forest fire echo signal obtained by the radar antenna 1 and forest fire image information obtained by the dual-spectrum camera 2 to the terminal industrial personal computer 11, so that a person on duty in a power transmission network line can monitor the condition of the power transmission network line with forest fire fault in real time and on line, thereby timely and accurately detecting the position of a fire, timely performing fault processing and minimizing loss.
The power grid wide-area real-time mountain fire monitoring device based on the multispectral heat energy monitoring radar has the following working principle: when the system works, corresponding driving instructions are respectively sent to the pitching motor of the pitching transmission device and the azimuth motor of the azimuth transmission device through the terminal industrial personal computer, so that the radar antenna and the dual-spectrum camera are linked to generate corresponding pitching and azimuth motions, when the radar finishes one-time complete volume scanning, the dual-spectrum camera also finishes one-time complete data acquisition, corresponding data are stored in the terminal industrial personal computer, radar terminal software automatically finishes judgment of suspected fire, meanwhile, the dual-spectrum camera is used as auxiliary detection to acquire high-resolution infrared images of suspected mountain fire areas, and further confirmation and fine detection of the mountain fire areas are finished in an image identification mode.
The process of monitoring the mountain fire in time by utilizing the monitoring device is as follows: after the low-power excitation signal is amplified by a transmitter of the radar antenna, the low-power excitation signal is fed back to the radar antenna by a feeder line, then a radar antenna forms a fixed wave beam and radiates to the air to realize the detection of mountain fire in the area of the power transmission line covered by the radar, when a mountain fire condition occurs in a certain power transmission line area, the radar antenna receives echo signals back-scattered by the mountain fire and enters a feeder line system through the radar antenna, then the signal is sent to a radar receiver, amplified, frequency-converted and filtered, then sent to a digital intermediate frequency signal processor for digital processing, and then sent to a terminal industrial personal computer, meanwhile, the double-spectrum camera can also carry out quantitative analysis on the shot video picture information and then transmit the video picture information to a terminal industrial personal computer, the position of the mountain fire can be quickly determined by calling and checking corresponding graphic information through the terminal industrial personal computer.
Finally, the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields using the contents of the present specification and the attached drawings are included in the scope of the present invention.
Claims (9)
1. Real-time mountain fire monitoring devices of electric wire netting wide area based on multispectral heat energy monitoring radar contains radar antenna device, its characterized in that: the radar antenna device comprises a radar antenna (1), a dual-spectrum camera (2), a pitching box (3), a U-shaped support (4), a base (5) and a wireless transmission module (6), wherein the radar antenna (1) is arranged at one end of the pitching box (3) and fixedly connected with the flange (7), the other end of the pitching box (3) is arranged in a suspending way, the dual-spectrum camera (2) is arranged at one side of the radar antenna (1) and fixedly connected with the support (8), the upper end of the U-shaped support (4) is rotatably connected with the middle part of the pitching box (3) through pitching gear bearings (9) arranged on two side walls of the pitching box (3), the lower end of the U-shaped support (4) is rotatably connected with the top of the base (5) through a rotary table (10) arranged at the top of the base (5), and the wireless transmission module (6) is fixed on the outer wall of the base (5), the wireless transmission module (6) is respectively in communication connection with a host of the dual-spectrum camera (2) and a camera IP box (3.3) arranged in the pitching box (3); the system is characterized by also comprising a terminal industrial personal computer (11), wherein the terminal industrial personal computer (11) is arranged in the transformer substation machine room and is in communication connection with the radar antenna device through an optical fiber;
a middle frame plate (3.1), a radar transceiving component (3.2), a camera IP box (3.3), a pitching driver (3.4), a monitoring module (3.5), a signal processor (3.6), an optical fiber switch (3.7), a pitching transmission device (3.8) and a pitching box power supply (3.9) are arranged in the pitching box (3), and the radar transceiving component (3.2), the camera IP box (3.3), the pitching driver (3.4), the monitoring module (3.5), the signal processor (3.6), the optical fiber switch (3.7), the pitching transmission device (3.8) and the pitching box power supply (3.9) are respectively arranged on two sides of the middle frame plate (3.1);
the radar receiving and transmitting component (3.2) is connected with the radar antenna (1) through a waveguide, the monitoring module (3.5) is respectively in communication connection with the radar receiving and transmitting component (3.2), the pitching driver (3.4) and the signal processor (3.6) through serial port data lines, the pitching driver (3.4) is electrically connected with a pitching motor of the pitching transmission device (3.8), the signal processor (3.6) is in communication connection with the optical fiber switch (3.7) through a network port, the optical fiber switch (3.7) is respectively in communication connection with the camera IP box (3.3) and the terminal industrial personal computer (11) through optical fibers, and the camera IP box (3.3) is in communication connection with the dual-spectrum camera (2) through the wireless transmission module (6);
the pitching transmission device (3.8) comprises a pitching motor and a pitching reducer, the pitching driver (3.4) is electrically connected with the pitching motor, a shaft of the pitching motor is connected with an input shaft of the pitching reducer, an output gear of the pitching reducer is connected with a gear of a pitching gear bearing (9) arranged on one side wall of the pitching box (3) in a meshing manner, a first double-channel rotating transmitter (3.10) is further arranged in the pitching gear bearing (9) arranged on the other side wall of the pitching box (3), a second double-channel rotating transmitter is further arranged at the connecting part of the U-shaped support (4) and the rotating table (10), and the first double-channel rotating transmitter (3.10) and the second double-channel rotating transmitter are both in communication connection with the monitoring module (3.5);
the radar transceiving component (3.2), the camera IP box (3.3), the pitching driver (3.4), the monitoring module (3.5), the signal processor (3.6), the optical fiber switch (3.7), the pitching transmission device (3.8), the first double-channel rotary transformer transmitter (3.10) and the second double-channel rotary transformer transmitter are all electrically connected with the pitching box power supply (3.9);
an azimuth transmission device (5.1), an azimuth power supply (5.2), a distribution board (5.3), a bus ring (5.4), an optical hinge and an azimuth driver are arranged in the base (5), the optical hinge is connected with the optical fiber switch (3.7) and the switchboard (5.3) through optical fibers, the switchboard (5.3) is respectively electrically connected with the azimuth power supply (5.2) and the bus ring (5.4), the collector ring (5.4) is respectively electrically connected with the azimuth power supply (5.2) and the azimuth driver, the azimuth driver is respectively electrically connected with the azimuth power supply (5.2) and an azimuth motor (5.1a) of the azimuth transmission device (5.1), the azimuth driving device (5.1) and the collector ring (5.4) are fixed on the top plate of the base (5), the azimuth power supply (5.2) is fixed on the bottom plate of the base (5), and the distribution board (5.3) is fixed on the side wall of the base (5).
2. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: the radar antenna (1) is a Cassegrain reflector antenna, the Cassegrain reflector antenna is composed of a main reflector (1.1), a counter reflector (1.2) and a feed source (1.3), the counter reflector (1.2) is supported and fixed on the front face of the main reflector (1.1) through four support rods (1.4), the focal axis of the counter reflector (1.2) is overlapped with that of the main reflector (1.1), the feed source (1.3) is fixed between the main reflector (1.1) and the counter reflector (1.2), and the center of the feed source (1.3) is located on the focal axis of the counter reflector (1.2).
3. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 2, wherein: the main reflector (1.1) is of a rotating paraboloid reflector structure, the secondary reflector (1.2) is of a rotating hyperboloid reflector structure, and the reflecting surfaces of the main reflector (1.1) and the secondary reflector (1.2) are made of carbon fiber materials.
4. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: the radar receiving and transmitting component (3.2) comprises a radar transmitter and a radar receiver, the radar transmitter is connected with the radar antenna (1) through a feeder line, the radar antenna (1) is connected with the radar receiver through a feeder line, and the radar transmitter and the radar receiver are both in serial port communication connection with the monitoring module (3.5).
5. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: the azimuth transmission device (5.1) comprises an azimuth motor (5.1a) and an azimuth reducer (5.1b), a crankshaft of the azimuth motor (5.1a) is connected with an input shaft of the azimuth reducer (5.1b), and an output gear of the azimuth reducer (5.1b) is connected with a gear of a crossed roller slewing gear bearing (12) installed in the rotary table (10) in a meshing manner.
6. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: and a pitching box access door (3.11) is further respectively installed on the other two side walls of the pitching box (3), and a pitching box counterweight component (3.12) is further installed in the pitching box (3) far away from one end of the radar antenna (1).
7. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: dual-spectrum camera (2) are dual-waveband thermal imaging camera, dual-waveband thermal imaging camera includes thermal imaging lens subassembly (2.1), visible light lens subassembly (2.2), two window guard shields of integration (2.3) and host computer, two window guard shields of integration (2.3) through support (8) with radar antenna (1) fixed connection, thermal imaging lens subassembly (2.1) and visible light lens subassembly (2.2) all correspond to inlay and establish in two window guard shields of integration (2.3) and with the host computer electricity is connected.
8. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: the power distribution board is characterized in that a base access door (5.5), an observation door (5.6), a power interface (5.7) and a data interface (5.8) are further arranged on the outer wall of the base (5), and the power interface (5.7) and the data interface (5.8) are electrically connected with the power distribution board (5.3).
9. The power grid wide-area real-time mountain fire monitoring device based on the multispectral thermal energy monitoring radar as claimed in claim 1, wherein: the signal processor (3.6) is a digital intermediate frequency signal processor.
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| CN111708102A (en) * | 2020-06-03 | 2020-09-25 | 合肥博雷电气有限公司 | Meteorological observation device for complex installation environment |
| CN112945286A (en) * | 2021-03-11 | 2021-06-11 | 苏交科集团股份有限公司 | Wireless sensing device for bridge health monitoring |
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