CN111628415B - Novel electric power facility protection supervision management and control system based on informatization - Google Patents
Novel electric power facility protection supervision management and control system based on informatization Download PDFInfo
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- CN111628415B CN111628415B CN202010497193.1A CN202010497193A CN111628415B CN 111628415 B CN111628415 B CN 111628415B CN 202010497193 A CN202010497193 A CN 202010497193A CN 111628415 B CN111628415 B CN 111628415B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a novel power facility protection, supervision and control system based on informatization, which belongs to the technical field of power, the scheme is that the temperature in a power distribution cabinet is collected through a temperature sensor, when the temperature reaches 45 ℃, an exhaust fan and a semiconductor refrigerating sheet are started, the exhaust fan is promoted to exhaust hot gas below a partition plate, meanwhile, the semiconductor refrigerating sheet is promoted to cool down the annular groove, the hot gas generates liquid drops through a heat exchange hole, liquid water drops are enriched on the inner wall of an annular rubber film and are converted into ice slag, when the temperature exceeds 40 ℃, a memory alloy rope recovers the high-temperature spring phase state and pushes up a supporting circular plate, when the supporting circular plate enters the heat exchange hole, the ice slag is collected, and when the temperature of the memory alloy rope is reduced to 10 ℃, the memory alloy rope recovers the low-temperature variability phase state, so that the collected ice slag is driven to move down to a sponge pad and reduce the temperature in the power distribution cabinet, thereby it realizes the radiating effect in the switch board to circulate continuously.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a novel electric power facility protection, supervision and control system based on informatization.
Background
The power equipment mainly comprises power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, the power supply equipment mainly comprises power transmission lines, mutual inductors, contactors and the like with various voltage grades, and equipment for measuring, monitoring, controlling, regulating and the like the running state of the electrical primary equipment is called electrical secondary equipment in order to protect and ensure the normal running of the electrical primary equipment. The system mainly comprises various measuring meters, various relay protection and automatic devices, direct-current power supply equipment and the like, wherein the secondary power equipment forms a system, not only the device itself, such as alternating current, direct current, control loops and the like, but also the state of the equipment cannot be analyzed and judged in real time due to the fact that part of the loops have no monitoring means. Therefore, most of the protection is not in a condition for the condition of the overhaul in a strict sense in terms of the current application of the electrical secondary equipment.
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
At present, the switch board appears too high phenomenon of inside heat easily in long-term use, consequently can use the fan to discharge its inside hot-air among the prior art usually, but when the special weather of face degree, use winter for example, hot-air is when passing through the bleeder vent, when contacting external cold air, can promote the vapor in the hot-air to meet cold liquefaction, and form the liquid drop at the inner wall of bleeder vent, and along with the accumulation of liquid drop, can drip inside the switch board, thereby corrode inside electric elements easily, cause the electric power accident even when serious.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a novel power facility protection, supervision and control system based on informatization, the scheme is that a temperature sensor is used for acquiring the temperature in a power distribution cabinet, when the temperature reaches 45 ℃, an exhaust fan and a semiconductor refrigerating sheet are started, the exhaust fan is enabled to exhaust hot gas below a partition plate, meanwhile, the semiconductor refrigerating sheet is enabled to cool the annular groove, the hot gas generates liquid drops through a heat exchange hole, liquid water drops are enriched on the inner wall of an annular rubber film and are converted into ice slag, when the temperature exceeds 40 ℃, a memory alloy rope recovers the high-temperature spring phase state and pushes up a supporting circular plate, when the supporting circular plate enters the heat exchange hole, the ice slag is collected, and when the temperature of the memory alloy rope is reduced to 10 ℃, the memory alloy rope recovers the low-temperature variability phase state, so that the collected ice slag is driven to move down to a sponge cushion and reduce the temperature in the power distribution cabinet, thereby it realizes the radiating effect in the switch board to circulate continuously.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a novel electric power facility protection supervises management and control system based on informationization, includes the switch board, be equipped with the management and control system in the switch board, the management and control system includes temperature acquisition module, temperature acquisition module outer end signal connection has central control module and data storage module, central control module outer end electric connection is by refrigeration module, data storage module outer end telecommunications connection has data transmission module, data transmission module outer end signal connection has cloud storage, through setting up data transmission module and cloud storage, can conveniently take notes this automatic cooling.
The power distribution cabinet is internally provided with an internal electrical component, the temperature acquisition module comprises a temperature sensor fixedly connected with the left inner wall of the power distribution cabinet, the inner wall of the power distribution cabinet is fixedly connected with a separation plate, an exhaust fan is embedded in the separation plate and is electrically connected with the central control module, the inner wall of a heat exchange hole drilled at the top end in the power distribution cabinet is provided with an annular groove, the refrigeration module comprises a semiconductor refrigeration sheet, the semiconductor refrigeration sheet is embedded in the upper inner wall of the annular groove, an annular rubber film is fixedly connected between the upper inner wall and the lower inner wall of the annular groove, the upper end of the separation plate is fixedly connected with an air duct, the inner wall of the air duct is fixedly connected with a sponge pad, the upper end of the sponge pad is provided with a pair of memory alloy ropes, the upper ends of the two memory alloy ropes are fixedly connected with a supporting circular plate, the upper end of the supporting circular plate is fixedly connected with a heat transfer air bag and an annular ice scraper positioned outside the heat transfer air bag, the temperature information in the power distribution cabinet is acquired through the temperature sensor, when the temperature reaches 45 ℃, the exhaust fan and the semiconductor refrigerating sheet are started under the control action of the central control module, the exhaust fan is promoted to exhaust hot air below the partition plate, meanwhile, the semiconductor refrigerating sheet is promoted to cool the annular groove, the temperature is reduced to-20 ℃, vapor in the hot air is liquefied when the hot air passes through the heat exchange hole, liquid water drops are forced to be enriched on the inner wall of the annular rubber film under the action of the hydrophilicity of the surface of the annular rubber film, the liquid water drops are gradually converted into ice slag under the continuous refrigerating action of the semiconductor refrigerating sheet, meanwhile, the temperature of the memory alloy rope can be increased due to the fact that the hot air continuously blows the sponge mat and the heat transfer air bag, when the temperature exceeds 40 ℃, the memory alloy rope recovers the spring phase state of high temperature, and pushes up the supporting circular plate under the resetting action of the memory alloy rope, when the support plectane gets into to the downthehole time of heat exchange, scrape the adnexed dregs of ice of annular rubber membrane inner wall with the help of annular skates, and collect and scrape between skates and heat transfer gasbag at the annular, and when the temperature at memory alloy rope reduced to 10 ℃, memory alloy rope resumes its microthermal variability looks, thereby it moves down to the sponge pad to drive support plectane and heat transfer gasbag together with the dregs of ice of collection, and with the help of the slow melting of dregs of ice, can be to the sponge pad, air duct and division board cooling, thereby reduce the temperature in the switch board, reduce the possibility that the damage appears in the electric element in the switch board.
Furthermore, a pair of annular containing rope grooves is fixedly chiseled at the upper end of the spongy cushion, a magnet ring is fixedly connected with the inner bottom end of each annular containing rope groove and is fixedly connected with a memory alloy rope, each memory alloy rope comprises a metal wire, an annular magnetic powder layer is fixedly connected with the outer end of each metal wire, an outer wrapping film is fixedly connected with the outer end of each annular magnetic powder layer, the annular magnetic powder layers are arranged, when the metal wires are lowered to be below the abnormal temperature, the support circular plates can be moved downwards to be in contact with the spongy cushion through attraction of the magnet rings, the memory alloy ropes are gradually contained into the annular containing rope grooves in a circular ring shape, the memory alloy ropes and the ice residues are separated through the support circular plates, and the ice residues are located right above the memory alloy ropes, so that the ice residues above the memory alloy ropes can be promoted to be melted by virtue of the property that the heat conduction effect of the memory alloy ropes is stronger than that of the spongy cushion, thereby improving the cooling effect of the ice slag.
Further, heat exchange hole inner wall fixedly connected with filter screen, the filter screen upper end is dug has a plurality of evenly distributed's filtration mesh, through setting up filter screen and filtration mesh, can promote partial ice sediment enrichment on the filter screen surface, and when the heat transfer gasbag shifts up and contacts the filter screen, with the help of the ascending pressure of memory alloy rope, can promote heat transfer gasbag and filter screen fully to extrude, thereby form the bulb at filtration mesh, on the one hand can be broken with the downthehole ice sediment of filter screen, and through the bulb, can increase its hydrophobic effect, consequently, after the ice sediment melts, can promote the liquid water that fuses to flow to between heat transfer gasbag and the annular skates, and make it freeze once more, thereby when the heat transfer gasbag moves down, can improve its cooling effect.
Furthermore, the annular groove is filled with water, the heat transfer air bag is filled with carbon dioxide gas, water is arranged in the annular groove, the water in the annular groove can be frozen when the semiconductor refrigeration sheet cools the annular groove, and the volume of the frozen water can expand to promote the annular rubber film to protrude outwards, so that the annular ice scraper can be promoted to be in full contact with the annular rubber film when the heat transfer air bag moves upwards, and ice residues attached to the surface of the annular rubber film can be scraped.
Further, the refrigeration end of semiconductor refrigeration piece is located the ring channel, a plurality of evenly distributed's of fixedly connected with heat conduction pole between the refrigeration end of semiconductor refrigeration piece and the annular rubber membrane, the heat conduction pole is made by the copper product matter, heat conduction pole surface is scribbled and is equipped with the anti-rust paint, through setting up the heat conduction pole, can make things convenient for the semiconductor refrigeration piece to cool down between the annular rubber membrane to through being scribbled at the heat conduction pole surface and be equipped with the anti-rust paint, can make the heat conduction pole be difficult for being rusted in long-term use, thereby improve the life of heat conduction pole.
Further, annular rubber membrane surface fixedly connected with a plurality of evenly distributed's fibre microcolumns, fibre microcolumn surface is equipped with the ammonium nitrate powder layer, through setting up the fibre microcolumn, can improve the roughness on annular rubber membrane surface on the one hand to improve the hydrophilicity on annular rubber membrane surface, and through setting up the ammonium nitrate powder layer, can be when the ammonium nitrate powder contacts water the heat absorption, thereby further accelerate water and form the ice sediment on annular rubber membrane surface.
Furthermore, the aperture of each filter mesh is 100 micrometers, the distance between every two adjacent filter meshes is 200 micrometers, the aperture of each filter mesh is set to be 100 micrometers, and meanwhile, the distance between every two adjacent filter meshes is set to be 200 micrometers, so that external dust can be prevented from entering the power distribution cabinet.
Further, the metal wire is made of Ni-Ti memory alloy, the transformation temperature of the metal wire is 40 ℃, and the metal wire made of the Ni-Ti memory alloy has strong deformability when the metal wire is below the transformation temperature pedicle, and can recover the high-temperature phase state when the temperature exceeds the transformation temperature.
A use method of a novel power facility protection, supervision and control system based on informatization comprises the following steps:
s1, acquiring the temperature in the power distribution cabinet through a temperature sensor, starting an exhaust fan and a semiconductor refrigerating sheet when the temperature reaches 45 ℃, enabling the exhaust fan to exhaust hot gas below a partition plate, and enabling the semiconductor refrigerating sheet to cool the annular groove, so that the hot gas generates liquid drops through heat exchange holes, and liquid water drops are enriched on the inner wall of the annular rubber film and gradually converted into ice residues;
s2, when the temperature exceeds 40 ℃, the memory alloy rope recovers the high-temperature spring phase state and pushes up the supporting circular plate, and when the supporting circular plate enters the heat exchange hole, the ice slag is collected between the annular ice scraper and the heat transfer air bag;
s3, when the temperature of the memory alloy rope is reduced to 10 ℃, the memory alloy rope recovers the low-temperature variable phase state thereof, so that the collected ice slag is driven to move down to the sponge pad and reduce the temperature in the power distribution cabinet, and the heat dissipation effect in the power distribution cabinet is realized through continuous circulation.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through the temperature sensor temperature in the collection switch board and when the temperature reaches 45 ℃, start exhaust fan and semiconductor refrigeration piece, make the exhaust fan discharge the steam below the division board, make the semiconductor refrigeration piece cool down in to the ring channel simultaneously, make steam produce the liquid drop through the heat exchange hole, liquid water droplet enriches at annular rubber membrane inner wall and turns into the ice sediment, when the temperature surpasses 40 ℃, the memory alloy rope resumes its high temperature spring phase state, and will support the plectane and upwards push up, when supporting the plectane and entering into the heat exchange hole, with the ice sediment and collect, and when the temperature at the memory alloy rope reduces to 10 ℃, the memory alloy rope resumes its microthermal variability phase state, thereby the ice sediment that drives the collection moves down to the sponge and stacks up and reduce the temperature in the switch board, thereby the continuous cycle realizes the radiating effect in the switch board.
(2) The upper end of the spongy cushion is fixedly provided with a pair of annular containing rope grooves, the inner bottom ends of the annular containing rope grooves are fixedly connected with a magnet ring and fixedly connected with a memory alloy rope, the memory alloy rope comprises a metal wire, the outer end of the metal wire is fixedly connected with an annular magnetic powder layer, the outer end of the annular magnetic powder layer is fixedly connected with an outer wrapping film, when the metal wire is reduced to be below abnormal temperature, the support circular plate can be moved downwards to be in contact with the spongy cushion through attraction of the magnet ring to the annular magnetic powder layer, the memory alloy rope is gradually contained into the annular containing rope grooves in an annular shape, the memory alloy rope and ice residues are separated by the support circular plate, and the ice residues are positioned right above the memory alloy rope, so that the ice residues above the memory alloy rope can be promoted to be melted by virtue of the property that the heat conduction effect of the memory alloy rope is stronger than that of the spongy cushion, thereby improving the cooling effect of the ice slag.
(3) Heat exchange hole inner wall fixedly connected with filter screen, the filter screen upper end is dug has a plurality of evenly distributed's filtration mesh, through setting up filter screen and filtration mesh, can promote partial ice sediment enrichment on the filter screen surface, and when the heat transfer gasbag shifts up and contacts the filter screen, with the help of the ascending pressure of memory alloy rope, can promote heat transfer gasbag and filter screen abundant extrusion, thereby form the bulb at filtration mesh, on the one hand can be broken with the downthehole ice sediment of filter screen, and through the bulb, can increase its hydrophobic effect, consequently, melt the back at the ice sediment, can promote the liquid water that fuses to flow to between heat transfer gasbag and the annular ice scraper, and make it freeze once more, thereby when the heat transfer gasbag moves down, can improve its cooling effect.
(4) The ring channel intussuseption is filled with water, and the heat transfer gasbag intussuseption is filled with carbon dioxide gas, through set up water in the ring channel, can make the water in the ring channel freeze when the semiconductor refrigeration piece cools down to the ring channel in, and because the water freezes the back volume can expand, thereby promote its annular rubber membrane evagination, consequently when the heat transfer gasbag shifts up, can promote annular skates and annular rubber membrane fully contact, thereby strike off annular rubber membrane surface adnexed ice sediment.
(5) The refrigeration end of semiconductor refrigeration piece is located the ring channel, a plurality of evenly distributed's of fixedly connected with heat conduction pole between the refrigeration end of semiconductor refrigeration piece and the annular rubber membrane, the heat conduction pole is made by the copper product matter, heat conduction pole surface coating is equipped with the anti-rust paint, through setting up heat conduction pole, can make things convenient for the semiconductor refrigeration piece to cool down between the annular rubber membrane, and be equipped with the anti-rust paint through coating at heat conduction pole surface, can make heat conduction pole be difficult for being rusted in long-term use, thereby improve heat conduction pole's life.
(6) Annular rubber membrane fixed surface is connected with a plurality of evenly distributed's fibre microcolumns, and fibre microcolumn surface is equipped with the ammonium nitrate powder layer, through setting up the fibre microcolumn, can improve the surperficial roughness of annular rubber membrane on the one hand to improve the hydrophilicity on annular rubber membrane surface, and through setting up the ammonium nitrate powder layer, can absorb heat when the ammonium nitrate powder contacts water, thereby further accelerate water and form the ice sediment on annular rubber membrane surface.
(7) The aperture of the filter meshes is 100 micrometers, the distance between every two adjacent filter meshes is 200 micrometers, the aperture of each filter mesh is set to be 100 micrometers, and meanwhile, the distance between every two adjacent filter meshes is set to be 200 micrometers, so that external dust can be prevented from entering the power distribution cabinet.
(8) The metal wire is made of Ni-Ti memory alloy, the transformation temperature of the metal wire is 40 ℃, and the metal wire made of the Ni-Ti memory alloy has strong deformability when the metal wire is below the transformation temperature pedicle, and can recover the high-temperature phase state when the temperature exceeds the transformation temperature.
Drawings
FIG. 1 is a block diagram of a management and control system according to the present invention;
FIG. 2 is a cross-sectional view of a portion of the power cabinet of the present invention;
FIG. 3 is a partial cross-sectional view of the power cabinet of the present invention during heat dissipation;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a cross-sectional view of an upper portion of a heat transfer bladder of the present invention;
fig. 6 is a cross-sectional view of a connecting cord portion of the present invention.
The reference numbers in the figures illustrate:
1 power distribution cabinet, 2 inside electrical components, 3 temperature sensor, 4 division boards, 5 exhaust fans, 6 heat exchange holes, 601 filter screen, 602 filter mesh, 7 ring channel, 8 semiconductor refrigeration piece, 801 heat conduction pole, 9 ring rubber membrane, 10 air duct, 11 foam-rubber cushion, 12 memory alloy rope, 13 support circular plate, 14 heat transfer gasbag, 15 ring ice scraper, 16 ring take-in rope groove, 17 magnet ring, 18 metal wire, 19 ring magnetic powder layer, 20 outsourcing films.
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 1:
please refer to fig. 1, a novel electric power facility protection supervise management and control system based on informationization, including switch board 1, be equipped with management and control system in the switch board 1, management and control system includes temperature acquisition module, temperature acquisition module outer end signal connection has central control module and data storage module, central control module outer end electric connection is by refrigeration module, data storage module outer end telecommunications connection has data transmission module, data transmission module outer end signal connection has cloud storage, through setting up data transmission module and cloud storage, can conveniently take notes this automatic cooling.
Referring to fig. 2-3, an internal electrical component 2 is disposed in a power distribution cabinet 1, a temperature acquisition module includes a temperature sensor 3 fixedly connected to a left inner wall of the power distribution cabinet 1, a partition plate 4 is fixedly connected to the inner wall of the power distribution cabinet 1, an exhaust fan 5 is embedded in the partition plate 4, the exhaust fan 5 is electrically connected to a central control module, an annular groove 7 is formed in an inner wall of a heat exchange hole 6 formed in the top end of the power distribution cabinet 1, the refrigeration module includes a semiconductor refrigeration sheet 8, the semiconductor refrigeration sheet 8 is embedded in an upper inner wall of the annular groove 7, an annular rubber film 9 is fixedly connected between the upper and lower inner walls of the annular groove 7, an air duct 10 is fixedly connected to the upper end of the partition plate 4, a foam rubber cushion 11 is fixedly connected to an inner wall of the air duct 10, a pair of memory alloy ropes 12 is disposed at the upper end of the foam rubber cushion 11, a supporting circular plate 13 is fixedly connected to the upper ends of the two memory alloy ropes 12, a heat transfer air bag 14 and an annular ice scraper 15 located outside the heat transfer air bag 14 are fixedly connected to the upper end of the supporting circular plate 13, the temperature information in the power distribution cabinet 1 is acquired through the temperature sensor 3, when the temperature reaches 45 ℃, the exhaust fan 5 and the semiconductor refrigerating sheet 8 are started under the control action of the central control module, the exhaust fan 5 is promoted to exhaust hot air below the partition plate 4, meanwhile, the semiconductor refrigerating sheet 8 is promoted to cool the annular groove 7, the temperature is reduced to-20 ℃, vapor in the hot air is liquefied when the hot air passes through the heat exchange hole 6, liquid water drops are forced to be enriched on the inner wall of the annular rubber film 9 under the hydrophilic property of the surface of the annular rubber film 9, the liquid water drops are gradually converted into ice slag under the continuous refrigerating action of the semiconductor refrigerating sheet 8, meanwhile, the temperature of the memory alloy rope 12 can be improved due to the fact that the hot air continuously blows the sponge cushion 11 and the heat transfer air bag 14, and when the temperature exceeds 40 ℃, the memory alloy rope 12 recovers the high-temperature spring phase state, and push up the supporting circular plate 13 under its reset action, when the supporting circular plate 13 enters into the heat exchange hole 6, scrape off the ice slag attached to the inner wall of the annular rubber membrane 9 by the aid of the annular ice scraper 15, and collect between the annular ice scraper 15 and the heat transfer air bag 14, and when the temperature of the memory alloy rope 12 is reduced to 10 ℃, the memory alloy rope 12 recovers its low-temperature variable phase state, so that the supporting circular plate 13 and the heat transfer air bag 14 are driven to move down to the sponge pad 11 together with the collected ice slag, and the sponge pad 11, the air duct 10 and the partition plate 4 can be cooled by the aid of slow melting of the ice slag, so that the temperature in the power distribution cabinet 1 is reduced, and the possibility of damage of electrical elements in the power distribution cabinet 1 is reduced.
Referring to fig. 1-3, a pair of annular receiving grooves 16 are fixedly drilled at the upper end of the sponge mat 11, a magnet ring 17 is fixedly connected to the inner bottom end of the annular receiving groove 16 and is fixedly connected to the memory alloy rope 12, the memory alloy rope 12 comprises a metal wire 18, an annular magnetic powder layer 19 is fixedly connected to the outer end of the metal wire 18, an outer wrapping film 20 is fixedly connected to the outer end of the annular magnetic powder layer 19, by arranging the annular magnetic powder layer 19, when the metal wire 18 is lowered to below the metamorphosis temperature, the support circular plate 13 can be moved down to contact with the sponge mat 11 by the attraction of the magnet ring 17 to the annular magnetic powder layer 19, the memory alloy rope 12 is gradually received into the annular receiving groove 16 in an annular shape, at this time, the memory alloy rope 12 is separated from the ice slag by the support circular plate 13, and the ice slag is located right above the memory alloy rope 12, so that the heat conduction effect of the memory alloy rope 12 is stronger than that of the sponge mat 11, the melting of the ice slag right above the memory alloy rope 12 can be promoted, so that the cooling effect of the ice slag is improved.
Referring to fig. 4-5, a filter screen 601 is fixedly connected to an inner wall of the heat exchange hole 6, a plurality of filter meshes 602 are uniformly distributed at an upper end of the filter screen 601, and by arranging the filter screen 601 and the filter meshes 602, partial ice slag can be promoted to be enriched on the surface of the filter screen 601, and when the heat transfer air bag 14 moves upwards to contact with the filter screen 601, the heat transfer air bag 14 and the filter screen 601 can be promoted to be fully pressed by the upward pressure of the memory alloy rope 12, so that the filter meshes 602 form a spherical bulge, on one hand, the ice slag in the filter meshes 602 can be crushed, and the hydrophobic effect of the ice slag can be increased by the spherical bulge, so that after the ice slag is melted, the fused liquid water can be promoted to flow between the heat transfer air bag 14 and the annular ice scraper 15, and can be frozen again, and the cooling effect of the heat transfer air bag 14 can be improved when moving downwards.
Referring to fig. 3-4, the annular groove 7 is filled with water, the heat transfer air bag 14 is filled with carbon dioxide gas, water is arranged in the annular groove 7, when the semiconductor refrigeration sheet 8 cools the annular groove 7, the water in the annular groove 7 is frozen, and the volume of the frozen water expands to promote the annular rubber membrane 9 to protrude outwards, so when the heat transfer air bag 14 moves upwards, the annular ice scraper 15 can be promoted to be in full contact with the annular rubber membrane 9, so that ice slag attached to the surface of the annular rubber membrane 9 is scraped, the refrigeration end of the semiconductor refrigeration sheet 8 is located in the annular groove 7, a plurality of heat conduction rods 801 uniformly distributed are fixedly connected between the refrigeration end of the semiconductor refrigeration sheet 8 and the annular rubber membrane 9, the heat conduction rods 801 are made of copper material, the surface of the heat conduction rods 801 is coated with anti-rust paint, and by arranging the heat conduction rods 801, the cooling of the semiconductor refrigeration sheet 8 to the annular rubber membrane 9 can be facilitated, and through scribble at heat-conducting rod 801 surface and be equipped with the anti-rust paint, can make heat-conducting rod 801 difficult by the corrosion in long-term use, thereby improve heat-conducting rod 801's life, annular rubber membrane 9 fixed surface is connected with a plurality of evenly distributed's fibre microcolumns, fibre microcolumn surface is equipped with the ammonium nitrate powder layer, through setting up the fibre microcolumn, can improve the roughness on annular rubber membrane 9 surface on the one hand, thereby improve the hydrophilicity on annular rubber membrane 9 surface, and through setting up the ammonium nitrate powder layer, can absorb heat when the ammonium nitrate powder contacts water, thereby further accelerate water and form the ice sediment on annular rubber membrane 9 surface.
Referring to fig. 5 to 6, the aperture of the filter mesh 602 is 100 μm, the distance between two adjacent filter mesh 602 is 200 μm, the aperture of the filter mesh 602 is set to 100 μm, and the distance between the filter mesh 602 is set to 200 μm, so that external dust can be prevented from entering the power distribution cabinet 1, the wire 18 is made of Ni-Ti memory alloy, the transformation temperature of the wire 18 is 40 ℃, and the wire 18 is made of Ni-Ti memory alloy, so that the wire 18 has strong deformability when the wire 18 is below the transformation temperature pedicle, and recovers its high temperature phase when the temperature exceeds the transformation temperature.
A use method of a novel power facility protection, supervision and control system based on informatization comprises the following steps:
s1, collecting the temperature in the power distribution cabinet 1 through the temperature sensor 3, starting the exhaust fan 5 and the semiconductor refrigerating sheet 8 when the temperature reaches 45 ℃, enabling the exhaust fan 5 to exhaust hot gas below the partition plate 4, and enabling the semiconductor refrigerating sheet 8 to cool the annular groove 7, so that the hot gas generates liquid drops through the heat exchange holes 6, and the liquid water drops are enriched on the inner wall of the annular rubber film 9 and gradually converted into ice slag;
s2, when the temperature exceeds 40 ℃, the memory alloy rope 12 recovers the high-temperature spring phase state and pushes up the supporting circular plate 13, and when the supporting circular plate 13 enters the heat exchange hole 6, the ice slag is collected between the annular ice scraper 15 and the heat transfer air bag 14;
s3, when the temperature of the memory alloy rope 12 is reduced to 10 ℃, the memory alloy rope 12 recovers the low-temperature variability phase state thereof, so that the collected ice residues are driven to move down to the spongy cushion 11 and reduce the temperature in the power distribution cabinet 1, and the effect of heat dissipation in the power distribution cabinet 1 is realized through continuous circulation.
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 (6)
1. The utility model provides a novel electric power facility protection supervise management and control system based on informationization, includes switch board (1), its characterized in that: a control system is arranged in the power distribution cabinet (1), the control system comprises a temperature acquisition module, the outer end of the temperature acquisition module is in signal connection with a central control module and a data storage module, the outer end of the central control module is electrically connected with a refrigeration module, the outer end of the data storage module is in telecommunication connection with a data transmission module, and the outer end of the data transmission module is in signal connection with a cloud storage;
be equipped with inside electrical component (2) in switch board (1), the temperature acquisition module include with switch board (1) left side inner wall fixed connection's temperature sensor (3), switch board (1) inner wall fixedly connected with division board (4), division board (4) embedded establish install exhaust fan (5), exhaust fan (5) and central control module electric connection, the top is opened and is dug there is heat exchange hole (6) inner wall to excavate annular groove (7) in switch board (1), the refrigeration module includes semiconductor refrigeration piece (8), semiconductor refrigeration piece (8) inlay the upper inner wall of establishing at annular groove (7), fixedly connected with annular rubber membrane (9) between the upper and lower inner wall of annular groove (7), division board (4) upper end fixedly connected with (10), air duct (10) inner wall fixedly connected with foam-rubber cushion (11), a pair of memory alloy ropes (12) is arranged at the upper end of the sponge cushion (11), a supporting circular plate (13) is fixedly connected to the upper ends of the two memory alloy ropes (12), and a heat transfer air bag (14) and an annular ice scraping knife (15) positioned on the outer side of the heat transfer air bag (14) are fixedly connected to the upper end of the supporting circular plate (13);
a pair of annular containing rope grooves (16) are fixedly drilled at the upper end of the spongy cushion (11), a magnet ring (17) is fixedly connected with the inner bottom end of each annular containing rope groove (16) and is fixedly connected with the memory alloy rope (12), the memory alloy rope (12) comprises a metal wire (18), an annular magnetic powder layer (19) is fixedly connected with the outer end of the metal wire (18), and an outer wrapping film (20) is fixedly connected with the outer end of the annular magnetic powder layer (19);
the annular groove (7) is filled with water, and the heat transfer air bag (14) is filled with carbon dioxide gas;
the surface of the annular rubber membrane (9) is fixedly connected with a plurality of uniformly distributed fiber micro-columns, and the surfaces of the fiber micro-columns are provided with ammonium nitrate powder layers.
2. The novel power facility protection, supervision and management and control system based on informatization of claim 1 is characterized in that: the heat exchange hole (6) inner wall fixedly connected with filter screen (601), a plurality of evenly distributed's filtration mesh (602) have been dug to filter screen (601) upper end.
3. The novel power facility protection, supervision and management and control system based on informatization of claim 1 is characterized in that: the refrigeration end of semiconductor refrigeration piece (8) is located ring channel (7), a plurality of evenly distributed's of fixedly connected with heat conduction pole (801) between the refrigeration end of semiconductor refrigeration piece (8) and annular rubber membrane (9), heat conduction pole (801) are made by the copper product, heat conduction pole (801) surface is scribbled and is equipped with the anti rust paint.
4. The novel power facility protection, supervision and management and control system based on informatization of claim 2 is characterized in that: the aperture of the filter meshes (602) is 100 μm, and the distance between two adjacent filter meshes (602) is 200 μm.
5. The novel power facility protection, supervision and management and control system based on informatization of claim 1 is characterized in that: the metal wire (18) is made of Ni-Ti memory alloy, and the transformation temperature of the metal wire (18) is 40 ℃.
6. The use method of the novel power facility protection, supervision and management and control system based on informatization according to any one of claims 1 to 5 is characterized in that: the method comprises the following steps:
s1, collecting the temperature in the power distribution cabinet (1) through the temperature sensor (3), starting the exhaust fan (5) and the semiconductor refrigerating sheet (8) when the temperature reaches 45 ℃, enabling the exhaust fan (5) to exhaust hot air below the partition plate (4), and enabling the semiconductor refrigerating sheet (8) to cool the inside of the annular groove (7), so that the hot air passes through the heat exchange holes (6) to generate liquid drops, and the liquid water drops are enriched on the inner wall of the annular rubber film (9) and gradually converted into ice slag;
s2, when the temperature exceeds 40 ℃, the memory alloy rope (12) restores the high-temperature spring phase state and pushes up the supporting circular plate (13), and when the supporting circular plate (13) enters the heat exchange hole (6), the ice slag is collected between the annular ice scraper (15) and the heat transfer air bag (14);
s3, when the temperature of the memory alloy rope (12) is reduced to 10 ℃, the memory alloy rope (12) recovers the low-temperature variability phase state thereof, so that the collected ice slag is driven to move down to the spongy cushion (11) and reduce the temperature in the power distribution cabinet (1), and the heat dissipation effect in the power distribution cabinet (1) is realized through continuous circulation.
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112186542B (en) * | 2020-10-19 | 2023-05-23 | 杭州璐欣电器制造有限公司 | Power distribution cabinet with good heat dissipation performance |
| CN114405107B (en) * | 2022-03-28 | 2022-08-23 | 广东益康生环保科技有限公司 | Energy-concerving and environment-protective breed sewage treatment plant |
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