CN114792962A - Cable float and cable channel - Google Patents
Cable float and cable channel Download PDFInfo
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- CN114792962A CN114792962A CN202210569929.0A CN202210569929A CN114792962A CN 114792962 A CN114792962 A CN 114792962A CN 202210569929 A CN202210569929 A CN 202210569929A CN 114792962 A CN114792962 A CN 114792962A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 238000007667 floating Methods 0.000 claims abstract description 94
- 210000000078 claw Anatomy 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/12—Installations of electric cables or lines in or on the ground or water supported on or from floats, e.g. in water
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides a cable floating body and a cable channel, which comprise a floating body, wherein a plurality of cable grooves are formed in the floating body, water sac layers are arranged in the cable grooves, the top end of the longitudinal section of a T-shaped hollow tube is communicated with the water sac layers, and a sliding plate is movably arranged in the transverse section of the T-shaped hollow tube; the rotary rod is fixedly provided with a plurality of blades, the rotary rod is fixedly sleeved with a cam, the cam can intermittently push the sliding plate when continuously rotating, a thermal expansion device is arranged between the sliding plate and the top wall of the hollow pipe, and the brake claw is used for preventing the rotary wheel from rotating. The invention provides the cable floating body and the cable channel, which can adapt to cables of different specifications, can automatically utilize water flow to cool the cables at high temperature, and automatically stop cooling when the temperature is reduced, so that the cables are prevented from being damaged due to too low temperature, and the cable floating body and the cable channel are more intelligent, simple in structure and very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of photovoltaic cable equipment, in particular to a cable floating body and a cable channel.
Background
At present, domestic photovoltaic power stations have larger construction scale, but construction zones are more positioned in non-power load centers, and partial electric energy is lost in the process of long-distance power transmission. Through the development of recent years, and due to the influence of the properties of the land, the construction land which can be utilized by the photovoltaic power station is less and less in the electrical load centers in North China, China and the like. Under such circumstances, dominant lakes in the north and east China areas have been developed to build photovoltaic power plants floating above the water surface. Photovoltaic power plant on water utilizes the basis on water, extremely goes up photovoltaic module here, makes photovoltaic power plant realize floating in the surface of water and generate electricity. The advantage is that no land resources are occupied and the environmental advantage helps the assembly to produce a cooling effect, suppressing the rise of the surface temperature, and thus achieving a higher power generation output. Meanwhile, the photovoltaic module covers the water surface, so that the evaporation capacity of the water surface can be reduced, the algae reproduction is inhibited, and the water resource is protected.
In the prior art, a cable floating body and a cable channel with the publication number of CN206559015U are disclosed, wherein the cable floating body comprises a body, and the front end of the body is provided with a head end connecting lug and a plurality of limiting convex blocks; the limiting lugs are distributed on two sides of the head end connecting lug; the tail end of the body is provided with a tail end connecting lug; the head end connecting lug is used for being hinged with the tail end connecting lug of the body of the other cable floating body through a hinge shaft; the limiting convex block is used for abutting against the tail end of the body of the other cable floating body when the body and the body of the other cable floating body relatively rotate around the hinge shaft to reach a preset angle. The cable floating bodies are provided with limiting convex blocks, when two adjacent cable floating bodies rotate relatively to reach a preset angle, the limiting convex block of one cable floating body is abutted against the tail end of the body in the other cable floating body, so that the relative rotation angle of the two cable floating bodies is prevented from exceeding the preset angle, the bending radius of a cable channel is prevented from being smaller than the minimum turning radius of the cable, and the cable is protected from being damaged; and a cable passage using the cable floating body, which is bent by itself without causing damage to the cable.
However, the method still has the obvious defects in the using process: above-mentioned device only has basic cable fixed action, however, when high temperature weather, the great heat of cable itself also can output, though the cable passes through the body and installs on the surface of water, but it can not be direct and water contact, therefore the heat of cable itself can accumulate, cause overheated effect, also can cause the damage to the cable, so need be higher to the heat resistance requirement of the parcel material of cable, just can avoid causing the damage to cable internal line, however, in order to reduce the requirement to cable parcel material, can carry out the design improvement of structure to the support piece of cable also be exactly the body, make the cable body can cool down to cable itself.
Disclosure of Invention
The present invention has been made in an effort to provide a cable float and a cable channel to solve the problems of the background art as described above.
In order to achieve the purpose, the invention provides the following technical scheme:
a cable floating body comprises a floating body, wherein a plurality of cable grooves are arranged on the floating body, the cable grooves are all provided with water bag layers, the bottoms of the water bag layers are communicated with a drain pipe, a pressure release valve is arranged in the drain pipe, a T-shaped hollow pipe is fixedly arranged in the inner cavity of the floating body, the top end of the longitudinal section of the T-shaped hollow pipe is communicated with the water bag layer, and a first one-way valve is arranged in the T-shaped hollow pipe at the end, the bottom end of the longitudinal section of the T-shaped hollow pipe penetrates through the floating body, a second one-way valve is arranged in the T-shaped hollow pipe at the end, a sliding plate is movably arranged in the transverse section of the T-shaped hollow pipe, the sliding plate is connected with a first spring, one end of the first spring, which is far away from the sliding plate, is connected with a first blocking block, and the first blocking block is fixed on the inner wall of the T-shaped hollow pipe;
the bottom of body articulates and is provided with the rotary rod, the fixed a plurality of blades that are provided with on the rotary rod, fixed cover is equipped with the cam on the rotary rod, just the cam can intermittently promote the sliding plate when lasting rotatory, the fixed swiveling wheel that is provided with in tip of rotary rod, the fixed hollow tube that is provided with in the inner chamber of body, the activity is provided with the sliding plate in the hollow tube, be provided with thermal expansion device between sliding plate and the hollow tube roof, the bottom of sliding plate is connected and is provided with the second spring, the one end that the sliding plate was kept away from to the second spring is connected on the second blocks the piece, the second blocks on the inner wall that the piece is fixed in the hollow tube, the fixed extension rod that is provided with in bottom of sliding plate, the last fixed dog that is provided with of extension rod, the dog is used for preventing the swiveling wheel rotation.
Preferably, the floating body is fixedly provided with limiting strips on two sides of the cable groove.
Preferably, the floating body is hinged to a protective cover plate through a hinge, and one end, far away from the hinge, of the protective cover plate is connected with the floating body through a buckle.
Preferably, the tail end of the floating body is fixedly provided with a tail end connecting plate, and the front end of the floating body is fixedly provided with a head end connecting plate.
Preferably, an isolation net is fixedly arranged in the bottom end of the longitudinal section of the T-shaped hollow pipe.
Preferably, a bearing is embedded in the bottom of the floating body, and the rotating rod penetrates through the bearing.
Preferably, the thermal expansion means are thermally expanding particles.
A cable channel comprises the cable floating bodies, and the cable floating bodies are connected end to end sequentially through connecting screws.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the water bag layers are arranged in the cable grooves and have good telescopic elasticity, so that gaps between the cables and the cable grooves can be filled by different water filling expansion degrees of the water bag layers for cables with different thickness specifications, so that the cables are more stably installed and are not easy to move;
2. the cable is wrapped in the water bag layer, and in high-temperature weather, water flow on the water surface can push the blades to cause the rotating rod to rotate, so that the sliding plate is pushed intermittently, and water in the water bag layer and water under the water surface are subjected to continuous flow exchange;
3. the rotating rod of the invention can not be driven by water flow all the time, when the environment temperature is lower, the thermal expansion particles are not heated to expand, and the sliding plate is at a higher position, so the braking claw is also at the position for braking the rotating wheel, so that the rotating rod can not rotate, and the cable is not cooled at the moment, thereby avoiding the freezing damage of ice water to the cable.
The invention provides a cable floating body and a cable channel, which can be suitable for cables of different specifications, can automatically utilize water flow to cool the cables at high temperature, and automatically stop cooling when the temperature is reduced, so that the cables are prevented from being damaged due to low temperature, and the cable floating body and the cable channel are more intelligent, simple in structure and very worthy of popularization.
Drawings
Fig. 1 is a basic structural view of the floating body of the present invention;
FIG. 2 is a schematic view of the float body of the present invention in a state where a cable is installed after connection;
fig. 3 is a schematic cross-sectional view of two adjacent buoyant bodies according to the invention;
figure 4 is a schematic cross-sectional view of a single buoyant body of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
fig. 6 is an enlarged view of the invention at B in fig. 5.
In the figure: 1 floating body, 101 cable grooves, 2 limiting strips, 3 hinges, 4 protective cover plates, 5 tail end connecting plates, 6 head end connecting plates, 7 connecting screws, 8 water bag layers, 9 drain pipes, 10 pressure relief valves, 11T-shaped hollow pipes, 12 first check valves, 13 second check valves, 14 isolating nets, 15 sliding plates, 16 first springs, 17 first blocking blocks, 18 bearings, 19 rotating rods, 20 blades, 21 cams, 22 rotating wheels, 23 hollow pipes, 24 sliding plates, 25 thermal expansion particles, 26 second springs, 27 second blocking blocks, 28 extending rods, 29 braking claws and 30 cables.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the first embodiment is as follows:
a cable floating body comprises a floating body 1, wherein a plurality of cable grooves 101 are formed in the floating body 1, the cable grooves 101 can be arranged equidistantly or non-equidistantly according to the actual situation of cables 30, water bag layers 8 are arranged in the cable grooves 101, and the water bag layers 8 have good telescopic elasticity, so that after the cables 30 with different thickness specifications are placed in different cable grooves 101, the gaps between the cables 30 and the cable grooves 101 can be filled through the expansion degree of the water bag layers 8 after water is filled, the cables 30 can be stably limited and cannot easily move, a drain pipe 9 is communicated with the bottom of each water bag layer 8, a pressure relief valve 10 is arranged in the drain pipe 9, when the water in the water bag layers 8 continuously increases, the pressure applied to the pressure relief valve 10 gradually exceeds a preset value, the pressure relief valve 10 is automatically opened at the moment, and then the water in the water bag layers 8 is drained out of a part through the drain pipe 9, a T-shaped hollow tube 11 is fixedly arranged in the inner cavity of the floating body 1, the top end of the longitudinal section of the T-shaped hollow tube 11 is communicated with the water bag layer 8, a first check valve 12 is arranged in the T-shaped hollow tube 11 at the end, the water in the T-shaped hollow tube 11 can only be extruded to the water bag layer 8 due to the arrangement of the first check valve 12, the bottom end of the longitudinal section of the T-shaped hollow tube 11 penetrates through the floating body 1, a second check valve 13 is arranged in the T-shaped hollow tube 11 at the end, the water on the water surface of the cable floating body can only enter the interior of the T-shaped hollow tube 11 through the bottom end of the longitudinal section of the T-shaped hollow tube 11 due to the arrangement of the second check valve 13, a sliding plate 15 is movably arranged in the transverse section of the T-shaped hollow tube 11, a first spring 16 is connected to the sliding plate 15, one end, far away from the sliding plate 15, of the first spring 16 is connected to a first blocking block 17, and the first blocking block 17 is fixed on the inner wall of the T-shaped hollow tube 11, when the sliding plate 15 loses the pushing action of the external force, it is ejected and restored to the original position by the first spring 16.
The bottom of the floating body 1 is hinged with a rotating rod 19, the rotating rod 19 is fixedly provided with a plurality of blades 20, when the cable floating body is under the water surface, water flows, the blades 20 are pushed, the rotating rod 19 rotates, the rotating rod 19 is fixedly sleeved with a cam 21, when the rotating rod 19 continuously rotates, the cam 21 can intermittently push the sliding plate 15, when the sliding plate 15 is pushed inwards, water in the T-shaped hollow pipe 11 is squeezed to the water bag layer 8, so that the water in the water bag layer 8 is increased, after the expansion value of the water bag layer exceeds the expansion value of the water bag layer, the pressure release valve 10 is automatically opened due to overlarge water pressure, at the moment, the water in the water bag layer 8 is discharged outwards through the water discharge pipe 9, therefore, the water in the water bag layer 8 is continuously replaced, the water which is heated due to heat absorption of the cable 30 in the water bag layer 8 is continuously replaced by low-temperature water flow under the water surface, so that the whole water bag layer 8 can be kept in a low-temperature state, furthermore, the continuous cooling of the cable 30 can be realized, the high-temperature damage of the cable 30 is avoided, the rotating wheel 22 is fixedly arranged at the end part of the rotating rod 19, the hollow tube 23 is fixedly arranged in the inner cavity of the floating body 1, the sliding plate 24 is movably arranged in the hollow tube 23, the thermal expansion device is arranged between the top wall of the sliding plate 24 and the top wall of the hollow tube 23, the thermal expansion device expands when heated, the volume of the thermal expansion device is increased, the thermal expansion device can be made of memory metal and can automatically recover when the temperature is reduced, the second spring 26 is connected to the bottom of the sliding plate 24, one end, far away from the sliding plate 24, of the second spring 26 is connected to the second blocking block 27, the second blocking block 27 is fixed on the inner wall of the hollow tube 23, the extension rod 28 is fixedly arranged at the bottom of the sliding plate 24, the braking claw 29 is fixedly arranged on the extension rod 28, and the braking claw 29 is used for preventing the rotating wheel 22 from rotating.
The second embodiment:
a cable floating body comprises a floating body 1, wherein a plurality of cable grooves 101 are formed in the floating body 1, the cable grooves 101 can be arranged equidistantly or non-equidistantly according to the actual situation of a cable 30, limiting strips 2 are fixedly arranged on the floating body 1 on two sides of each cable groove 101, the side edge height of each cable groove 101 is increased due to the arrangement of the limiting strips 2, the cable 30 is further prevented from shifting, a protective cover plate 4 is hinged to the floating body 1 through a hinge 3, one end, far away from the hinge 3, of the protective cover plate 4 is connected with the floating body 1 in a buckling mode, after the cable 30 is placed in the cable grooves 101 one by one, the protective cover plate 4 can be buckled on the floating body 1, the surface of the cable 30 is shielded, the cable 30 is prevented from being exposed to the sun, dust accumulation on the cable 30 is also avoided, and a tail end connecting plate 5 is fixedly arranged at the tail end of the floating body 1, the front end of the floating body 1 is fixedly provided with a head end connecting plate 6, the position of the tail end connecting plate 5 is higher than that of the head end connecting plate 6, so that the two are conveniently connected after being assembled, water bag layers 8 are arranged in the cable grooves 101, the water bag layers 8 have good telescopic elasticity, therefore, after cables 30 with different thickness specifications are placed in different cable grooves 101, gaps between the cables 30 and the cable grooves 101 can be filled through different expansion degrees of the water bag layers 8 after being filled with water, so that the cables 30 can be stably limited and cannot easily move, the bottom of the water bag layers 8 is communicated with a drain pipe 9, a pressure relief valve 10 is arranged in the drain pipe 9, when the water in the water bag layers 8 is continuously increased, the pressure borne by the pressure relief valve 10 gradually exceeds a preset value, the pressure relief valve 10 is automatically opened at the moment, and then the water in the water bag layers 8 is partially discharged through the drain pipe 9, a T-shaped hollow tube 11 is fixedly arranged in the inner cavity of the floating body 1, the top end of the longitudinal section of the T-shaped hollow tube 11 is communicated with the water bag layer 8, a first check valve 12 is arranged in the T-shaped hollow tube 11 at the end, the first check valve 12 is arranged to ensure that water in the T-shaped hollow tube 11 can only be extruded out to the water bag layer 8, the bottom end of the longitudinal section of the T-shaped hollow tube 11 penetrates through the floating body 1, a second check valve 13 is arranged in the T-shaped hollow tube 11 at the end, the second check valve 13 is arranged to ensure that water on the water surface of the cable floating body can only enter the T-shaped hollow tube 11 through the bottom end of the longitudinal section of the T-shaped hollow tube 11, a sliding plate 15 is movably arranged in the transverse section of the T-shaped hollow tube 11, the shape and the size of the sliding plate 15 are completely the same as the shape and size of the inner cavity of the transverse section of the T-shaped hollow tube 11, therefore, the sliding plate 15 can horizontally move along the transverse section of the T-shaped hollow tube 11, and here can not take place the liquid leakage, furtherly, the outer lane of sliding plate 15 also can set up to the elastic ring for its sealed effect is better, sliding plate 15 is last to be connected and is provided with first spring 16, first spring 16 has good flexible elasticity, the one end that first spring 16 kept away from sliding plate 15 is connected in first stopper 17, and first stopper 17 is fixed on the inner wall of T type hollow tube 11, when sliding plate 15 loses the impetus of external force, will be ejecting under the effect of first spring 16 and resume to initial position.
The bottom of the floating body 1 is hinged with a rotating rod 19, the rotating rod 19 is fixedly provided with a plurality of blades 20, when water flow occurs under the water surface of the cable floating body, the blades 20 are pushed, so that the rotating rod 19 rotates, the rotating rod 19 is fixedly sleeved with a cam 21, when the rotating rod 19 continuously rotates, the cam 21 can intermittently push the sliding plate 15, when the sliding plate 15 is pushed inwards, water in the T-shaped hollow pipe 11 is squeezed to the water bag layer 8, so that the water in the water bag layer 8 is increased, after the expansion value of the water bag layer exceeds the expansion value of the water bag, the pressure release valve 10 is automatically opened because of overlarge water pressure, at the moment, the water in the water bag layer 8 is discharged outwards through the water discharge pipe 9, therefore, the water in the water bag layer 8 is continuously replaced, the water in the water bag layer 8, which is heated due to the cable 30 is continuously replaced by low-temperature water flow under the water surface, so that the whole water bag layer 8 can be kept in a low-temperature state, further, the temperature of the cable 30 can be continuously reduced, the cable 30 is prevented from being damaged by high temperature, the end of the rotating rod 19 is fixedly provided with a rotating wheel 22, the inner cavity of the floating body 1 is fixedly provided with a hollow tube 23, the hollow tube 23 is movably provided with a sliding plate 24, the shape and the size of the sliding plate 24 are completely the same as those of the inner cavity of the hollow tube 23, therefore, the sliding plate 24 can move along the inner wall of the hollow tube 23, a thermal expansion device is arranged between the sliding plate 24 and the top wall of the hollow tube 23, the thermal expansion device expands when heated, the volume of the thermal expansion device increases, in the embodiment, the thermal expansion device is thermal expansion particles 25, the thermal expansion particles 25 are made of memory metal, the thermal expansion device can expand when being opened at high temperature and can contract at low temperature, the bottom of the sliding plate 24 is connected with a second spring 26, the second spring 26 also has good telescopic elasticity, one end of the second spring 26, which is far away from the sliding plate 24, is connected with a second blocking block 27, the second block 27 is fixed on the inner wall of the hollow pipe 23, the bottom of the sliding plate 24 is fixedly provided with an extension rod 28, the extension rod 28 is fixedly provided with two braking claws 29, the braking claws 29 are used for preventing the rotating wheel 22 from rotating, when the external environment temperature is low, the thermal expansion particles 25 cannot expand by heat, at the moment, the two braking claws 29 contact the rotating wheel 22, the rotating wheel 22 is locked, so that the rotating wheel 22 can not rotate forwards or backwards, therefore, the water in the water bag layer 8 can not be continuously replaced and cooled, and the cable 30 is prevented from being damaged by low temperature.
Example three:
a cable floating body comprises a floating body 1, wherein a plurality of cable grooves 101 are formed in the floating body 1, the cable grooves 101 can be arranged equidistantly or non-equidistantly according to the actual situation of cables 30, water bag layers 8 are arranged in the cable grooves 101, and the water bag layers 8 have good telescopic elasticity, so that after the cables 30 with different thickness specifications are placed in different cable grooves 101, gaps between the cables 30 and the cable grooves 101 can be filled through the expansion degree of the water bag layers 8 after water is filled, the cables 30 can be stably limited and cannot easily move, a drain pipe 9 is communicated with the bottom of each water bag layer 8, a pressure relief valve 10 is arranged in the drain pipe 9, when the water in the water bag layers 8 continuously increases, the pressure borne by the pressure relief valve 10 gradually exceeds a preset value, the pressure relief valve 10 is automatically opened at the moment, and then the drain pipe 9 discharges part of the water in the water bag layers 8, a T-shaped hollow tube 11 is fixedly arranged in the inner cavity of the floating body 1, the top end of the longitudinal section of the T-shaped hollow tube 11 is communicated with the water bag layer 8, a first check valve 12 is arranged in the T-shaped hollow tube 11 at the end, the water in the T-shaped hollow tube 11 can only be extruded to the water bag layer 8 due to the arrangement of the first check valve 12, the bottom end of the longitudinal section of the T-shaped hollow tube 11 penetrates through the floating body 1, a second check valve 13 is arranged in the T-shaped hollow tube 11 at the end, the water on the water surface where the cable floating body is located can only enter the interior of the T-shaped hollow tube 11 through the bottom end of the longitudinal section of the T-shaped hollow tube 11 due to the arrangement of the second check valve 13, an isolation net 14 is fixedly arranged in the bottom end of the longitudinal section of the T-shaped hollow tube 11, impurities and the like under the water surface can be prevented from entering the interior of the T-shaped hollow tube 11 due to the arrangement of the isolation net 14, the cleanness of the device can be further avoided, frequent cleaning is not needed, a sliding plate 15 is movably arranged in the transverse section of the T-shaped hollow tube 11, the shape and size of the sliding plate 15 are completely the same as those of the inner cavity of the transverse section of the T-shaped hollow tube 11, therefore, the sliding plate 15 can move horizontally along the transverse section of the T-shaped hollow tube 11, and no liquid leakage occurs here, further, the outer ring of the sliding plate 15 can also be set as an elastic ring, so that the sealing effect is better, the sliding plate 15 is connected with a first spring 16, the first spring 16 has good elasticity, one end of the first spring 16, which is far away from the sliding plate 15, is connected to a first blocking block 17, and the first blocking block 17 is fixed on the inner wall of the T-shaped hollow tube 11, and when the sliding plate 15 loses the pushing action of the external force, the sliding plate can be ejected and restored to the initial position under the action of the first spring 16.
The bottom of the floating body 1 is hinged with a rotating rod 19, a bearing 18 is embedded in the bottom of the floating body 1, the rotating rod 19 is arranged in the bearing 18 in a penetrating mode, the rotating rod 19 can smoothly rotate due to the arrangement of the bearing 18, clamping stagnation can not occur, a plurality of blades 20 are fixedly arranged on the rotating rod 19, when water flow occurs under the water surface of the cable floating body, the blades 20 are pushed, further the rotating rod 19 rotates, a cam 21 is fixedly sleeved on the rotating rod 19, when the rotating rod 19 continuously rotates, the cam 21 can intermittently push the sliding plate 15, when the sliding plate 15 is pushed inwards, water in the T-shaped hollow pipe 11 is squeezed to the water bag layer 8, so that the water in the water bag layer 8 is increased, after the expansion value of the water bag layer is exceeded, the pressure release valve 10 is automatically opened due to overlarge water pressure, and at the moment, the water in the water bag layer 8 is discharged outwards through the water discharge pipe 9, therefore, the water in the water bag layer 8 is continuously replaced, the water in the water bag layer 8, which is heated due to the heat absorption of the cable 30, is continuously replaced by the low-temperature water flow below the water surface, so that the whole water bag layer 8 can be kept in a low-temperature state, further the cable 30 can be continuously cooled, the cable 30 is prevented from being damaged by high temperature, the rotating wheel 22 is fixedly arranged at the end part of the rotating rod 19, the hollow pipe 23 is fixedly arranged in the inner cavity of the floating body 1, the sliding plate 24 is movably arranged in the hollow pipe 23, the shape and the size of the sliding plate 24 are completely the same as those of the inner cavity of the hollow pipe 23, therefore, the sliding plate 24 can move along the inner wall of the hollow pipe 23, the thermal expansion device is arranged between the sliding plate 24 and the top wall of the hollow pipe 23, the thermal expansion device expands when heated, the volume is increased, in the embodiment, the thermal expansion device is thermal expansion particles 25, the thermal expansion particles 25 are made of memory metal, and can be opened and expanded at high temperature and contracted at low temperature, or elastic air bag balls filled with air, the air can also expand with heat and contract with cold at temperature change, so that the volume of the thermal expansion particles 25 can be changed, the bottom of the sliding plate 24 is connected with a second spring 26, the second spring 26 also has good expansion elasticity, one end of the second spring 26 far away from the sliding plate 24 is connected with a second blocking block 27, the second blocking block 27 is fixed on the inner wall of the hollow tube 23, the bottom of the sliding plate 24 is fixedly provided with an extension rod 28, the extension rod 28 is fixedly provided with a braking claw 29, the braking claw 29 is used for preventing the rotating wheel 22 from rotating, the number of the braking claws 29 is two, when the external environment temperature is lower, the thermal expansion particles 25 cannot be heated, and at the moment, the two braking claws 29 contact with the rotating wheel 22, the rotator wheel 22 is locked so that it can neither rotate forward nor rotate backward, and therefore, the water in the water bag layer 8 can not be replaced and cooled continuously, and the cable 30 is prevented from being damaged due to too low temperature.
A cable channel comprises the cable floating bodies, and the cable floating bodies are connected end to end sequentially through connecting screws 7.
The working principle is as follows:
when the floating body 1 is installed, the threaded hole in the tail end connecting plate 5 of the floating body 1 and the threaded hole in the head end connecting plate 6 of the next floating body 1 are aligned together, then the connecting screw 7 penetrates through the upper threaded hole and the lower threaded hole, and the operation is repeated, so that the floating bodies 1 are connected together in a tail-end mode. Then, the cables 30 are sequentially placed in the cable grooves 101 of the floating body 1, and after the cables are placed, the water bag layer 8 can be filled with water in a filling mode, so that the water bag layer 8 expands, gaps between the cables 30 with different thickness specifications and the cable grooves 101 are made up, the cables 30 can be stably limited, and cannot move. Finally, cover and close protective cover plate 4 for protective cover plate 4 keeps away from the one end buckle of hinge 3 on body 1, and then shelters from the surface of cable 30, avoids cable 30 to be insolated, has also avoided cable 30 to appear laying dust.
During use, if the ambient temperature gradually rises, the cable 30 itself generates heat during use, and the thermal expansion particles 25 expand due to heat, so as to push the sliding plate 24 downwards, and the sliding plate 24 pushes the locking pawl 29 through the extension rod 28, so that the locking pawl 29 is far away from the rotation wheel 22 downwards, thereby releasing the locking of the rotation wheel 22 and allowing the rotation wheel 22 to rotate normally. At this time, when water current flows under the water surface where the cable floating body is located, the water current pushes the blade 20, so that the rotating rod 19 rotates, the rotating rod 19 drives the cam 21 to continuously rotate, so that the cam 21 intermittently pushes the sliding plate 15 inwards, when the sliding plate 15 is pushed inwards, the water in the T-shaped hollow tube 11 is squeezed to the water bag layer 8, so that the water in the water bag layer 8 is increased, after the expansion value of the water bag layer 8 is exceeded, the pressure relief valve 10 is automatically opened due to the excessive water pressure, and at this time, the water in the water bag layer 8 is discharged outwards through the drain pipe 9, so that the water in the water bag layer 8 is continuously replaced, the water in the water bag layer 8, which is heated due to the heat absorption of the cable 30, is continuously replaced by the low-temperature water current under the water surface, so that the whole water bag layer 8 can be kept at a low temperature state, further, the cable 30 can be continuously cooled, and high-temperature damage to the cable 30 is avoided, when the cam 21 is far away from the sliding plate 15, the sliding plate 15 will be restored to the initial position under the action of the first spring 16, and at this time, the water flow on the water surface of the cable floating body will enter the inside of the T-shaped hollow tube 11 through the bottom of the longitudinal section of the T-shaped hollow tube 11, and the water inside the water sac layer 8 is continuously replaced along with the reciprocating movement of the sliding plate 15.
This device is except can cooling down to cable 30 automatically when high temperature weather, when external environment's temperature is lower, thermal expansion granule 25 does not take place the inflation, but keep at initial small volume state, at this moment, sliding plate 24 can be by second spring 26 upwards jacking, make the pawl 29 at this moment just in time contact with swiveling wheel 22, and then brake swiveling wheel 22, two pawls 29 at this moment contact swiveling wheel 22, swiveling wheel 22 will be locked, make it can not corotation nor reversal, therefore, the water in water pocket layer 8 can not realize lasting replacement cooling, avoid crossing low temperature and cause the damage to cable 30, it is more intelligent, single, the shortcoming that the suitable cold day of continuation traded water cooling is used has been remedied.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a cable body, includes body (1), its characterized in that of floating body: the floating body is characterized in that a plurality of cable grooves (101) are formed in the floating body (1), water bag layers (8) are arranged in the cable grooves (101), a drain pipe (9) is communicated with the bottom of each water bag layer (8), a pressure relief valve (10) is arranged in each drain pipe (9), a T-shaped hollow pipe (11) is fixedly arranged in an inner cavity of the floating body (1), the top end of a longitudinal section of each T-shaped hollow pipe (11) is communicated with the water bag layer (8), a first one-way valve (12) is arranged in each T-shaped hollow pipe (11) at the end, the bottom end of the longitudinal section of each T-shaped hollow pipe (11) penetrates through the floating body (1), a second one-way valve (13) is arranged in each T-shaped hollow pipe (11) at the end, a sliding plate (15) is movably arranged in the transverse section of each T-shaped hollow pipe (11), and a first spring (16) is connected to the sliding plate (15), one end of the first spring (16) far away from the sliding plate (15) is connected to a first blocking block (17), and the first blocking block (17) is fixed on the inner wall of the T-shaped hollow pipe (11);
the bottom of the floating body (1) is hinged with a rotating rod (19), a plurality of blades (20) are fixedly arranged on the rotating rod (19), a cam (21) is fixedly sleeved on the rotating rod (19), the cam (21) can intermittently push a sliding plate (15) when continuously rotating, a rotating wheel (22) is fixedly arranged at the end part of the rotating rod (19), a hollow pipe (23) is fixedly arranged in an inner cavity of the floating body (1), a sliding plate (24) is movably arranged in the hollow pipe (23), a thermal expansion device is arranged between the sliding plate (24) and the top wall of the hollow pipe (23), a second spring (26) is connected to the bottom of the sliding plate (24), one end, far away from the sliding plate (24), of the second spring (26) is connected to a second blocking block (27), and the second blocking block (27) is fixed on the inner wall of the hollow pipe (23), an extension rod (28) is fixedly arranged at the bottom of the sliding plate (24), a braking claw (29) is fixedly arranged on the extension rod (28), and the braking claw (29) is used for preventing the rotating wheel (22) from rotating.
2. A cable float according to claim 1, characterised in that: the floating body (1) is fixedly provided with limiting strips (2) on two sides of the cable groove (101).
3. A cable float according to claim 1, wherein: the floating body is characterized in that a protective cover plate (4) is hinged to the floating body (1) through a hinge (3), and one end, far away from the hinge (3), of the protective cover plate (4) is connected with the floating body (1) through a buckle.
4. A cable float according to claim 1, characterised in that: the floating body is characterized in that a tail end connecting plate (5) is fixedly arranged at the tail end of the floating body (1), and a head end connecting plate (6) is fixedly arranged at the front end of the floating body (1).
5. A cable float according to claim 1, characterised in that: an isolation net (14) is fixedly arranged in the bottom end of the longitudinal section of the T-shaped hollow pipe (11).
6. A cable float according to claim 1, characterised in that: the bottom of the floating body (1) is embedded with a bearing (18), and the rotating rod (19) penetrates through the bearing (18).
7. A cable float according to claim 1, wherein: the thermal expansion means are thermal expansion particles (25).
8. A cable channel, comprising: comprising a cable float according to any of the preceding claims 1-7, which are connected end to end in turn by means of connecting screws (7).
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| CN202210569929.0A CN114792962B (en) | 2022-05-24 | 2022-05-24 | Cable float and cable channel |
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| CN202210569929.0A CN114792962B (en) | 2022-05-24 | 2022-05-24 | Cable float and cable channel |
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| CN116599458A (en) * | 2023-07-17 | 2023-08-15 | 中国电建集团山东电力建设第一工程有限公司 | Cable supporting device of photovoltaic power station on water |
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| CN117092555A (en) * | 2023-10-19 | 2023-11-21 | 中科信创技术有限公司 | 5G communication cable open circuit detection equipment and method |
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