CN113514846A - Safety warning method for operation near charged body based on autonomous ranging technology - Google Patents
Safety warning method for operation near charged body based on autonomous ranging technology Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 56
- 239000000428 dust Substances 0.000 claims abstract description 47
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 15
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 38
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 238000010276 construction Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 17
- 230000003068 static effect Effects 0.000 abstract description 15
- 230000005611 electricity Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000008188 pellet Substances 0.000 description 12
- 239000012783 reinforcing fiber Substances 0.000 description 8
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- 206010070834 Sensitisation Diseases 0.000 description 2
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- 230000006386 memory function Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data
- G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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Abstract
The invention discloses a safety warning method for near charged body operation based on an autonomous distance measurement technology, which belongs to the technical field of crane obstacle avoidance, and realizes that after laser is emitted by a laser sensor, scattered side light is gathered into the laser through the reflection of a reflecting cover and a reflecting plate, meanwhile, after the laser is reflected back when meeting a high-voltage line, the laser carries heat due to the work of the high-voltage line, the temperature in the laser is increased when the laser passes through the reflecting cover, a deformation memory spring is driven to contract, carbon dioxide gas is extracted to flow and absorb the heat, the heat is dissipated by matching with a radiating fin, the deformation memory spring drives a piston to move, a dust collection ball is stirred to move, fur balls and rubber balls in the dust collection ball are in friction collision to generate static electricity, the static electricity is enhanced by matching with static electricity, the impurity dust carried in the reflected laser is adsorbed to superfine fibers, the photosensitive area is prevented from being shielded, the photosensitive area is prevented from being influenced, and the monitoring effect is enhanced.
Description
Technical Field
The invention relates to the technical field of crane obstacle avoidance, in particular to a safety warning method for operation near a charged body based on an autonomous distance measurement technology.
Background
Along with the rapid development of the construction of power transmission and transformation projects in China, various construction cranes around the high-voltage power transmission line are more and more, the work flow, the general operations of which are usually performed by experienced workers, accomplishes the transportation of the load by observing the position of the trolley and the swing angle of the load in real time, selecting a reasonable sequence of operations, meanwhile, the swing of the load is effectively inhibited, the current obstacle avoidance mainly depends on the operation experience and subjective judgment of operators, the working efficiency is low, the real-time performance cannot be achieved, the danger is high, the collision accident caused by misjudgment is easy to occur along with long-time high-intensity work of operators, meanwhile, a crane operator has a cognitive blind area for the safe distance of the high-voltage wire, therefore, the accidents of short circuit and trip of the high-voltage wire caused by the fact that the crane is too close to the high-voltage wire often occur, and great influence is brought to the daily life of people and the normal production of factories.
At present, people mainly provide a safe distance through laser radar range finding's mode, make the construction crane be in a safe operational environment, but prior art's laser radar jets out the laser, often can the part reveal, forms other light, and laser reflection returns and also can carry partial impurity simultaneously, causes the interference to laser signal's receipt, influences the judgement of information.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a safety warning method for working close to a charged body based on an autonomous distance measurement technology, which can realize that after a laser sensor emits laser, scattered side light is gathered in the laser through the reflection of a reflecting cover and a reflecting plate, meanwhile, after the laser is reflected back when meeting a high-voltage line, the laser carries heat due to the work of the high-voltage line, when the laser passes through the reflecting cover, the internal temperature of the laser rises, a deformation memory spring is driven to contract, carbon dioxide gas is extracted to flow and absorb the heat, heat dissipation is carried out by matching with a radiating fin, meanwhile, the deformation memory spring drives a piston to move, a dust collection ball is stirred to move, fur balls and rubber balls in the dust collection ball are in friction collision to generate static electricity, the static electricity is enhanced by matching with the static electricity, and the impurity dust carried in the reflected laser is adsorbed to superfine fibers, the photosensitive area is prevented from being shielded, the photosensitive area is prevented from being influenced, and the monitoring effect is enhanced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A safety warning method for operation close to a charged body based on an autonomous ranging technology comprises the following steps:
s1, when the crane construction equipment works in the high-voltage line area, an operator firstly powers on the wireless receiving system and the video monitoring system, and then powers on the radar monitoring system and the wireless data transmission system through the remote switch;
s2, selecting the gear of the warning distance value by an operator, wherein the gear is selected from three gears of 5 meters, 8.5 meters and 12 meters, and the three gears correspond to high-voltage wires of 110 kilovolts, 220 kilovolts and 500 kilovolts respectively;
and S3, the radar antenna transmits radar signals, the radar waves are reflected by the high-voltage wire after encountering the high-voltage wire, and after receiving echo signals by the receiving antenna matched with the radar antenna, the radar waves are sent to a signal processing module of the radar monitoring system to be processed to obtain distance information of the high-voltage wire.
Further, the S3 further includes the following steps:
s31, when the detected distance between the high-voltage wires is larger than the value set by the early warning value, the radar monitoring system sends safety information to the wireless data transmission and transmission system, then the safety information is sent to the wireless receiving system by the radar monitoring system, and the character of a safety area is output on the display screen;
s32, when the detected distance is smaller than the yellow early warning value, the radar monitoring system sends distance information to the wireless data transmission system, the distance information is sent to the wireless receiving system by the wireless data transmission system, and a corresponding distance value is output on a display screen of the operation room;
s33, when the distance value obtained by the radar monitoring system reaches the selected warning distance value, the wireless data transmission sending system sends warning information to the wireless receiving system, starts the sound-light warning system and the video monitoring system, stores the warning information for future reference, and simultaneously sends the warning information to a nearby safety supervisor;
and S34, when the crane jib enters a safe area, the alarm is automatically released, and managers can extract historical data of the alarm in work to check.
Further, crane construction equipment outer end and crane jib fixed connection, the outer end of crane jib respectively with radar monitoring system and wireless data transmission sending system fixed connection, pass through signal connection between radar monitoring system and the wireless data transmission sending system, the control chamber is installed to crane construction equipment's outer end, wireless receiving system and remote switch all are located the control chamber, pass through signal connection between wireless data transmission sending system and the wireless receiving system, pass through electric connection between remote switch and radar monitoring system and the wireless data transmission sending system, can realize at the back of going up, radar monitoring system jets out laser, and receive the laser information that reflects back, then with on its information transfer wireless data transmission sending system, by its emission to wireless receiving system.
Furthermore, the display screen is positioned in the operating room, the display screen is in signal connection with the wireless receiving system, the sound and light alarm system comprises an LED lamp and a buzzer, the video monitoring system comprises a high-definition camera, the high-definition camera is in signal connection with the radar monitoring system and the wireless data transmission system respectively, the display screen can receive information of the wireless receiving system and display the information for workers to check, red light flashing of the LED lamp and buzzer alarm sound can play a role in warning to remind constructors of evacuating to a safe area, the high-definition camera assists in identifying a live line, images are processed and analyzed through an OpenCV algorithm, objects shot on site are distinguished and identified, such as the live line in the air, and when a suspected dangerous live line is identified, the images are fed back to the radar monitoring system, the encryption and processing of the point cloud image in the area are enhanced, the distance of the identified image is analyzed, and the minimum value of the current distance is selected, so that the effect of enhancing the analysis accuracy is achieved.
Further, the radar monitoring system comprises a laser sensor, the laser sensor comprises a photosensitive module and a light-emitting center shaft, the outer end of the laser sensor is fixedly connected with a reflector, the inner side wall of the reflector is fixedly connected with a plurality of reflecting plates, the outer end of the laser sensor is fixedly connected with two fixing plates, the two fixing plates are both positioned in the reflector, the outer end of each fixing plate is provided with a plurality of mounting grooves, dust-absorbing balls are arranged in the mounting grooves, elastic diaphragms are fixedly connected between the outer ends of the dust-absorbing balls and the inner walls of the mounting grooves, partition plates are fixedly connected between the inner walls of the dust-absorbing balls, a plurality of fur pellets and rubber pellets are arranged between the partition plates and the dust-absorbing balls, the inner side wall of each dust-absorbing ball is fixedly connected with a plurality of uniformly distributed superfine fibers, the outer ends of the dust-absorbing balls are provided with a plurality of dust-absorbing holes, and the dust-absorbing holes are positioned below the fur pellets, after laser is launched to luminous axis in laser sensor, during the bowl, make the other light of dispersion gather through the reflecting plate, avoid the dispersion, when laser meets the high-voltage line reflection and returns, it can carry impurity such as dust, and during the bowl, the dust absorption ball takes place the motion under elastic diaphragm's supplementary, drive its inside fur bobble and the friction of rubber bobble mutual contact, produce static, make impurity such as dust permeate the dust absorption hole through electrostatic adsorption ability and enter into the dust absorption ball, and adhere to on the superfine fiber, the realization is filtered the dust impurity in the laser, avoid causing the shelter from the photosensitive module, influence its sensitization.
Furthermore, the lower extreme fixedly connected with of baffle has a plurality of evenly distributed's static reinforcing fiber, superfine fiber is located static reinforcing fiber's below, and static reinforcing fiber can strengthen the static adsorption efficiency, the better absorption dust impurity of being convenient for.
Furthermore, the inner side wall of the reflecting cover is fixedly connected with two heat absorbing cylinders, pistons are connected in the two heat absorbing cylinders in a sliding manner, deformation memory springs are fixedly connected between the outer ends of the two pistons and the inner side wall of the heat absorbing cylinders, carbon dioxide gas is filled between the heat absorbing cylinder positioned on the lower side and the left end of the piston, through holes are drilled at the ends of the two heat absorbing cylinders close to each other, elastic connecting films are fixedly connected between the inner walls of the through holes, the ends of the two elastic connecting films close to each other are fixedly connected with the outer ends of the dust absorbing balls, a light-transmitting film body is arranged in the reflecting cover, the interior of the light-transmitting film body is hollow, the upper end and the lower end of the light-transmitting film body penetrate through the ends of the two fixing plates close to each other and extend to the outer sides of the fixing plates, and conducting pipes are fixedly connected at the left ends of the two heat absorbing cylinders, the inner walls of the two conduction pipes are fixedly connected with extrusion valves, the left ends of the two conduction pipes are fixedly connected with the right end of the transparent film body, the outer ends of the two heat absorbing cylinders are fixedly connected with a plurality of radiating fins which are uniformly distributed, a large amount of heat is generated due to the work of a high-voltage wire, laser is reflected and carries the heat, when the laser passes through the reflecting cover, the temperature in the heat absorbing cylinders rises, the deformation memory springs are driven to deform and contract, the pistons are driven to move, the extrusion valves are extruded to open, carbon dioxide gas in the lower side is extruded and exhausted, the carbon dioxide gas flows through the transparent film body, the deformation memory springs on the upper side contract to extract the gas to flow into the heat absorbing cylinders on the upper side, the heat is absorbed in the flowing process of the carbon dioxide gas, and then the heat is emitted through the radiating fins to dissipate the heat, meanwhile, the movement of the piston drives the dust absorption ball to move, so that the dust absorption ball is convenient to absorb dust and impurities.
Further, two the shape memory spring all adopts shape memory alloy material to make, two the initial condition of shape memory spring is the extension state, two the shrink opposite direction of shape memory spring, shape memory alloy has the memory function, and along with the temperature rise, two shape memory springs begin to take place deformation, contract, drive carbon dioxide gas and flow, and along with the temperature reduction, it begins to resume its initial extension state again.
Furthermore, the extrusion valve is in a folding state when not being extruded and is in an opening state after being extruded, and the extrusion valve is extruded and expanded by gas when the piston extrudes the gas, so that the gas circulation is realized.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
this scheme realizes after laser sensor jets out laser, through the reflection of bowl and reflecting plate, make in the other light gathering of dispersion to the laser, meet the high-voltage line at the laser simultaneously and reflect back, because the work of high-voltage line, make laser carry the heat, when in the bowl, make its inside temperature rise, drive the shrink of deformation memory spring, the extraction carbon dioxide gas carries out the heat of flow absorption, cooperation heat radiation fins heat dissipation, deformation memory spring drives the piston motion simultaneously, stir dust absorption ball and take place the motion, make its inside fur bobble and rubber bobble take place the friction and collision, produce static, cooperation static reinforcing fiber reinforcing electrostatic adsorption ability, the realization is adsorbed on superfine fiber with the impurity dust that carries in the laser that reflects back, avoid causing the shelter from the photosensitive zone, influence its sensitization, reinforcing monitoring effect.
Drawings
FIG. 1 is a schematic view of a flow structure of a safety warning method according to the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the overall structure of the laser monitoring system according to the present invention;
FIG. 4 is a schematic cross-sectional view of a laser sensor according to the present invention;
FIG. 5 is a schematic cross-sectional view of the reflector of the present invention;
FIG. 6 is a schematic cross-sectional view of the dust ball of the present invention;
fig. 7 is a schematic cross-sectional view of the heat absorbing barrel according to the present invention.
The reference numbers in the figures illustrate:
1. crane construction equipment; 2. a crane jib; 3. a display screen; 4. a wireless receiving system; 5. a wireless data transmission system; 6. a remote switch; 7. a radar monitoring system; 701. a laser sensor; 702. a reflector; 703. a reflective plate; 704. a fixing plate; 705. a dust collection ball; 706. an elastic diaphragm; 707. a partition plate; 708. fur pellets; 709. rubber pellets; 7010. an electrostatic reinforcing fiber; 7011. superfine fibers; 7012. a light-transmissive film body; 7013. a conduction pipe; 7014. a heat absorbing cylinder; 7015. a piston; 7016. a deformation memory spring; 7017. an elastic connection film; 7018. heat dissipation fins; 7019. squeezing the valve; 8. a high-definition camera; 9. an LED lamp; 10. a buzzer.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-2, a safety warning method for operation of an approaching charged object based on an autonomous ranging technique includes the following steps:
s1, when the crane construction equipment 1 works in a high-voltage line area, an operator firstly powers on the wireless receiving system 4 and the video monitoring system, and then powers on the radar monitoring system 7 and the wireless data transmission system 5 through the remote control switch 6;
s2, selecting the gear of the warning distance value by an operator, wherein the gear is selected from three gears of 5 meters, 8.5 meters and 12 meters, and the three gears correspond to high-voltage wires of 110 kilovolts, 220 kilovolts and 500 kilovolts respectively;
and S3, the radar antenna transmits radar signals, the radar waves are reflected by the high-voltage wire after encountering the high-voltage wire, and after receiving echo signals by the receiving antenna matched with the radar waves, the radar waves are sent to a signal processing module of the radar monitoring system 7 to be processed to obtain distance information of the high-voltage wire.
S3 further includes the steps of:
s31, when the detected distance between the high-voltage wires is larger than the value set by the early warning value, the radar monitoring system 7 sends safety information to the wireless data transmission and sending system 5, then the safety information is sent to the wireless receiving system 4 by the radar monitoring system, and the character of a safety zone is output on the display screen 3;
s32, when the detected distance is smaller than the yellow early warning value, the radar monitoring system 7 sends distance information to the wireless data transmission and transmission system 5, then the distance information is sent to the wireless receiving system 4 by the wireless data transmission and transmission system, and a corresponding distance value is output on the display screen 3 of the operating room;
s33, when the distance value obtained by the radar monitoring system 7 reaches the selected alarm distance value, the wireless data transmission sending system 5 sends alarm information to the wireless receiving system 4, starts the sound and light alarm system and the video monitoring system, stores the alarm information for future reference, and simultaneously sends the alarm information to a nearby safety supervisor;
and S34, when the crane jib 2 enters a safe area, the alarm is automatically released, and managers can extract historical data of the alarm in work to check.
Referring to fig. 2, the outer end of the crane construction equipment 1 is fixedly connected with the crane boom 2, the outer end of the crane boom 2 is fixedly connected with the radar monitoring system 7 and the wireless data transmission system 5, the radar monitoring system 7 is connected with the wireless data transmission system 5 through signals, the outer end of the crane construction equipment 1 is provided with an operation room, the wireless receiving system 4 and the remote control switch 6 are both located in the operation room, the wireless data transmission system 5 is connected with the wireless receiving system 4 through signals, the remote control switch 6 is electrically connected with the radar monitoring system 7 and the wireless data transmission system 5, so that after the crane construction equipment is powered on, the radar monitoring system 7 emits laser, receives reflected laser information, transmits the information to the wireless data transmission system 5 and emits the information to the wireless receiving system 4, the display screen 3 is located in the operation room, the display screen 3 is connected with the wireless receiving system 4 through signals, the sound and light alarm system comprises an LED lamp 9 and a buzzer 10, the video monitoring system comprises a high-definition camera 8, the high-definition camera 8 is respectively connected with the radar monitoring system 7 and the wireless data transmission system 5 through signals, the display screen 3 can receive information of the wireless receiving system 4 and display the information for operators to check, the red light flicker of the LED lamp 9 and the alarm sound of the buzzer 10 can play a role in warning to remind constructors to evacuate to a safe area, the high-definition camera 8 assists in identifying a live line, images are processed and analyzed through an OpenCV algorithm, objects shot on site are distinguished and identified, such as the live line in the air, when a suspected dangerous live line is identified, the images are fed back to the radar monitoring system 7, and encryption and processing of a cloud point map in the area are enhanced, and the distance of the identified image is analyzed, and the minimum value of the current distance is selected, so that the effect of enhancing the analysis accuracy is achieved.
Referring to fig. 3-6, the radar monitoring system 7 includes a laser sensor 701, the laser sensor 701 includes a photosensitive module and a light-emitting middle shaft, a reflective cover 702 is fixedly connected to an outer end of the laser sensor 701, a plurality of reflective plates 703 are fixedly connected to an inner sidewall of the reflective cover 702, two fixing plates 704 are fixedly connected to an outer end of the laser sensor 701, the two fixing plates 704 are both located in the reflective cover 702, a plurality of mounting grooves are drilled at an outer end of the fixing plates 704, dust-absorbing balls 705 are arranged in the mounting grooves, an elastic membrane 706 is fixedly connected between an outer end of the dust-absorbing balls 705 and an inner wall of the mounting grooves, a partition 707 is fixedly connected between inner walls of the dust-absorbing balls 705, a plurality of fur balls 708 and rubber balls 709 are arranged between the partition 707 and the dust-absorbing balls 705, a plurality of uniformly distributed ultrafine fibers 7011 are fixedly connected to an inner sidewall of the dust-absorbing balls 705, a plurality of dust-absorbing holes are drilled at an outer end of the dust-absorbing balls 705, the dust absorption hole is located below the fur pellet 708, after the laser is emitted from the light-emitting center shaft in the laser sensor 701, when the laser passes through the reflecting cover 702, scattered side light is gathered through the reflecting plate 703, so that scattering is avoided, when the laser is reflected back when encountering a high-voltage line, the laser can carry impurities such as dust, when the laser passes through the reflecting cover 702, the dust absorption pellet 705 moves under the assistance of the elastic diaphragm 706, the fur pellet 708 and the rubber pellet 709 in the dust absorption pellet are driven to be in mutual contact friction to generate static electricity, the impurities such as dust enter the dust absorption pellet 705 through the dust absorption hole through the electrostatic adsorption capacity, and the dust absorption pellet is attached to the superfine fiber 7011, so that the dust impurities in the laser are filtered, the shielding of a photosensitive module is avoided, and the photosensitive effect of the photosensitive module is avoided.
Referring to fig. 6, the lower end of the partition 707 is fixedly connected with a plurality of uniformly distributed electrostatic reinforcing fibers 7010, the ultrafine fibers 7011 are located below the electrostatic reinforcing fibers 7010, and the electrostatic reinforcing fibers 7010 can enhance electrostatic adsorption capacity, so as to better adsorb dust and impurities.
Referring to fig. 5 and 7, two heat absorbing cylinders 7014 are fixedly connected to the inner side wall of the reflective housing 702, pistons 7015 are slidably connected to the two heat absorbing cylinders 7014, deformation memory springs 7016 are fixedly connected between the outer ends of the pistons 7015 and the inner side wall of the heat absorbing cylinders 7014, carbon dioxide gas is filled between the heat absorbing cylinders 7014 and the left ends of the pistons 7015 located at the lower side, through holes are drilled at the ends of the two heat absorbing cylinders 7014 close to each other, elastic connection films 7017 are fixedly connected between the inner walls of the through holes, the ends of the two elastic connection films 7017 close to each other are fixedly connected to the outer ends of the dust absorbing balls 705, a transparent film 7012 is disposed in the reflective housing 702, the transparent film 7012 is hollow, the upper end and the lower end of the transparent film 7012 penetrate through the ends of the two fixing plates 704 close to each other and extend to the outer sides of the fixing plates, conducting pipes 7013 are fixedly connected to the left ends of the two heat absorbing cylinders 7014, extrusion valves 7019 are fixedly connected between the inner walls of the two conduction pipes 7013, the left ends of the two conduction pipes 7013 are fixedly connected with the right end of the transparent film 7012, the outer ends of the two heat absorbing cylinders 7014 are fixedly connected with a plurality of uniformly distributed heat dissipation fins 7018, a large amount of heat is generated due to the work of a high-voltage wire, laser reflected back carries the heat, the temperature in the laser is increased when the laser passes through the reflecting cover 702, the deformation memory spring 7016 is driven to deform and contract to drive the piston 7015 to move, the extrusion valves 7019 are driven to be opened, carbon dioxide gas in the lower side is extruded and discharged and flows through the transparent film 7012, the deformation memory spring 7016 in the upper side contracts to draw the gas to flow into the heat absorbing cylinder 7014 in the upper side, so that the heat is absorbed in the flowing process of the carbon dioxide gas, and then the heat is dissipated through the heat dissipation fins 7018, the heat dissipation is realized, and meanwhile, the movement of the piston 7015 drives the dust absorption ball 705 to move, so that the dust absorption ball is convenient to absorb dust impurities.
Referring to fig. 7, the two shape memory springs 7016 are both made of shape memory alloy material, the initial states of the two shape memory springs 7016 are extension states, the contraction directions of the two shape memory springs 7016 are opposite, the shape memory alloy has a memory function, the two shape memory springs 7016 start to deform and contract with temperature increase to drive carbon dioxide gas to flow, and the two shape memory springs 7016 start to return to the initial extension states with temperature decrease, the extrusion valve 7019 is in a closed state when not being extruded and is in an open state after being extruded, and the extrusion valve 7019 is extruded and opened by gas when the piston 7015 extrudes the gas, so that the gas flows.
In the invention, when the related technicians use the radar monitoring system 7, firstly, after the laser is emitted from the light-emitting central axis of the laser sensor 701 in the radar monitoring system 7, when the laser passes through the reflecting cover 702, the dispersed bypass light is gathered through the reflecting plate 703 to avoid dispersion, when the laser is reflected back by encountering a high-voltage line, a large amount of heat is generated due to the work of the high-voltage line, the laser is reflected back to carry heat, dust impurities and the like, when the laser passes through the reflecting cover 702, the temperature in the laser rises to drive the deformation memory spring 7016 to deform and contract to drive the piston 7015 to move, the extrusion valve 7019 is squeezed to open, so that the carbon dioxide gas in the lower side is squeezed and discharged, and flows through the transparent film 7012, and the memory deformation spring 7016 on the upper side contracts to extract the gas to flow to the inside of the heat absorption cylinder 7014 on the upper side, so as to realize the absorption of the heat in the flowing process of the carbon dioxide gas, then radiating through the radiating fins 7018 to realize heat dissipation, simultaneously, the movement of the piston 7015 drives the dust collection ball 705 to move, when passing through the reflecting cover 702, the dust collection ball 705 moves under the assistance of the elastic diaphragm 706 to drive the fur small ball 708 and the rubber small ball 709 inside to mutually contact and rub to generate static electricity, impurities such as dust enter the dust collection ball 705 through the dust collection hole through electrostatic adsorption capacity and are attached to the superfine fiber 7011 to realize the filtration of the dust impurities in the laser, so as to avoid the shielding of a photosensitive module and the influence on the photosensitive thereof, after the radar monitoring system 7 receives the reflected laser information, the information is transmitted to the wireless data transmission system 5 and is transmitted to the wireless receiving system 4 and then is fed back to the display screen 3 for display, and the high-definition camera 8 assists the identification of a charged circuit to distinguish and identify objects shot on site, when a suspected dangerous live line is identified, the distance value obtained by the radar monitoring system 7 is fed back to the radar monitoring system 7, the encryption and processing of the point cloud picture in the area are enhanced, and when the distance value reaches the selected alarm distance value, the LED lamp 9 flashes red light and the buzzer 10 gives an alarm sound to play a warning role, so that constructors are reminded to evacuate to a safe area.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (9)
1. A safety warning method for operation close to a charged body based on an autonomous ranging technology is characterized in that: the method comprises the following steps:
s1, when the crane construction equipment (1) works in a high-voltage line area, an operator firstly powers on the wireless receiving system (4) and the video monitoring system, and then powers on the radar monitoring system (7) and the wireless data transmission system (5) through the remote switch (6);
s2, selecting the gear of the warning distance value by an operator, wherein the gear is selected from three gears of 5 meters, 8.5 meters and 12 meters, and the three gears correspond to high-voltage wires of 110 kilovolts, 220 kilovolts and 500 kilovolts respectively;
and S3, the radar antenna transmits radar signals, the radar waves are reflected by the high-voltage wire after encountering the high-voltage wire, and after receiving echo signals by the receiving antenna matched with the radar waves, the radar waves are sent to a signal processing module of the radar monitoring system (7) to be processed to obtain distance information of the high-voltage wire.
2. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 1, wherein: the S3 further includes the steps of:
s31, when the detected distance between the high-voltage wires is larger than a value set by an early warning value, the radar monitoring system (7) sends safety information to the wireless data transmission system (5), then the safety information is sent to the wireless receiving system (4) by the radar monitoring system, and a safety area character is output on the display screen (3);
s32, when the detected distance is smaller than the yellow early warning value, the radar monitoring system (7) sends distance information to the wireless data transmission system (5), and then the distance information is sent to the wireless receiving system (4) by the wireless data transmission system, and a corresponding distance value is output on a display screen (3) of the operating room;
s33, when the distance value obtained by the radar monitoring system (7) reaches the selected alarm distance value, the wireless data transmission sending system (5) sends alarm information to the wireless receiving system (4), starts the sound and light alarm system and the video monitoring system, stores the alarm information for future reference, and simultaneously sends the alarm information to a nearby safety supervisor;
and S34, when the crane jib (2) enters a safe area, the alarm is automatically released, and managers can extract historical data of the alarm in work to check.
3. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 1, wherein: crane construction equipment (1) outer end and crane jib (2) fixed connection, the outer end of crane jib (2) respectively with radar monitoring system (7) and wireless data transmission sending system (5) fixed connection, pass through signal connection between radar monitoring system (7) and the wireless data transmission sending system (5), the control chamber is installed to the outer end of crane construction equipment (1), wireless receiving system (4) and remote switch (6) all are located the control chamber, pass through signal connection between wireless data transmission sending system (5) and wireless receiving system (4), pass through electric connection between remote switch (6) and radar monitoring system (7) and the wireless data transmission sending system (5).
4. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 3, wherein: display screen (3) are located the control chamber, through signal connection between display screen (3) and wireless receiving system (4), audible-visual alarm system includes LED lamp (9) and bee calling organ (10), video monitoring system includes high definition digtal camera (8), high definition digtal camera (8) respectively with radar monitoring system (7) and wireless data pass through signal connection between the sending system (5).
5. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 1, wherein: the radar monitoring system (7) comprises a laser sensor (701), the laser sensor (701) comprises a photosensitive module and a light-emitting middle shaft, the outer end of the laser sensor (701) is fixedly connected with a reflecting cover (702), the inner side wall of the reflecting cover (702) is fixedly connected with a plurality of reflecting plates (703), the outer end of the laser sensor (701) is fixedly connected with two fixing plates (704), the two fixing plates (704) are located in the reflecting cover (702), the outer end of each fixing plate (704) is provided with a plurality of mounting grooves in a chiseling mode, dust-absorbing balls (705) are arranged in the mounting grooves, elastic diaphragms (706) are fixedly connected between the outer ends of the dust-absorbing balls (705) and the inner walls of the mounting grooves, partition plates (707) are fixedly connected between the inner walls of the dust-absorbing balls (705), and a plurality of fur small balls (708) and rubber small balls (709) are arranged between the partition plates (707) and the dust-absorbing balls (705), the inner side wall of the dust absorption ball (705) is fixedly connected with a plurality of uniformly distributed superfine fibers (7011), the outer end of the dust absorption ball (705) is provided with a plurality of dust absorption holes, and the dust absorption holes are positioned below the fur small balls (708).
6. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 5, wherein: the lower end of the partition board (707) is fixedly connected with a plurality of uniformly distributed electrostatic reinforced fibers (7010), and the superfine fibers (7011) are positioned below the electrostatic reinforced fibers (7010).
7. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 5, wherein: the inner side wall of the reflecting cover (702) is fixedly connected with two heat absorbing cylinders (7014), pistons (7015) are connected in the two heat absorbing cylinders (7014) in a sliding mode, deformation memory springs (7016) are fixedly connected between the outer ends of the two pistons (7015) and the inner side wall of the heat absorbing cylinders (7014), carbon dioxide gas is filled between the heat absorbing cylinders (7014) and the left ends of the pistons (7015) which are located on the lower side, through holes are formed in the ends, close to each other, of the two heat absorbing cylinders (7014), elastic connecting films (7017) are fixedly connected between the inner walls of the through holes, the ends, close to each other, of the two elastic connecting films (7017) are fixedly connected with the outer ends of a plurality of dust absorbing balls (705), light-transmitting film bodies (7012) are arranged in the reflecting cover (702), the light-transmitting film bodies (7012) are arranged in a hollow mode, the upper ends and the lower ends of the light-transmitting film bodies (7012) penetrate through the ends, close to one ends of the two fixing plates (704) and extend to the outer sides of the fixing plates, the left ends of the two heat absorbing cylinders (7014) are fixedly connected with conduction pipes (7013), extrusion valves (7019) are fixedly connected between the inner walls of the two conduction pipes (7013), the left ends of the two conduction pipes (7013) are fixedly connected with the right end of the light-transmitting film body (7012), and the outer ends of the two heat absorbing cylinders (7014) are fixedly connected with a plurality of uniformly distributed heat dissipation fins (7018).
8. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 7, wherein: the two deformation memory springs (7016) are both made of shape memory alloy materials, the initial states of the two deformation memory springs (7016) are both extension states, and the contraction directions of the two deformation memory springs (7016) are opposite.
9. The safety warning method for operation of an adjacent electrified body based on the autonomous ranging technology as claimed in claim 7, wherein: the pinch valve (7019) is in a collapsed state when not pinched and in an open state when pinched.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122054A (en) * | 2014-07-27 | 2014-10-29 | 北京航星网讯技术股份有限公司 | Infrared thermal imaging type laser gas leak detection method and apparatus |
| CN104392581A (en) * | 2014-11-27 | 2015-03-04 | 国家电网公司 | High-voltage line external force damage prevention laser monitoring early warning system |
| CN104609314A (en) * | 2014-12-31 | 2015-05-13 | 蓝宝汽车电子（扬州）有限公司 | Wireless video monitoring and anti-collision system through self-generating electricity for crampon |
| WO2017113803A1 (en) * | 2015-12-28 | 2017-07-06 | 林涛 | Portable and wireless automobile anti-collision system and data processing method |
| CN207610981U (en) * | 2017-11-20 | 2018-07-13 | 大连兰特科技有限公司 | A kind of natural gas safety patrol inspection smart machine |
| CN109319671A (en) * | 2018-11-05 | 2019-02-12 | 国网天津市电力公司 | Safe distance warning device |
-
2021
- 2021-07-14 CN CN202110795532.9A patent/CN113514846B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122054A (en) * | 2014-07-27 | 2014-10-29 | 北京航星网讯技术股份有限公司 | Infrared thermal imaging type laser gas leak detection method and apparatus |
| CN104392581A (en) * | 2014-11-27 | 2015-03-04 | 国家电网公司 | High-voltage line external force damage prevention laser monitoring early warning system |
| CN104609314A (en) * | 2014-12-31 | 2015-05-13 | 蓝宝汽车电子（扬州）有限公司 | Wireless video monitoring and anti-collision system through self-generating electricity for crampon |
| WO2017113803A1 (en) * | 2015-12-28 | 2017-07-06 | 林涛 | Portable and wireless automobile anti-collision system and data processing method |
| CN207610981U (en) * | 2017-11-20 | 2018-07-13 | 大连兰特科技有限公司 | A kind of natural gas safety patrol inspection smart machine |
| CN109319671A (en) * | 2018-11-05 | 2019-02-12 | 国网天津市电力公司 | Safe distance warning device |
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