CN114486089A - Switch board bottom monitoring alarm system that leaks - Google Patents
Switch board bottom monitoring alarm system that leaks Download PDFInfo
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- CN114486089A CN114486089A CN202111536857.1A CN202111536857A CN114486089A CN 114486089 A CN114486089 A CN 114486089A CN 202111536857 A CN202111536857 A CN 202111536857A CN 114486089 A CN114486089 A CN 114486089A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
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Abstract
The invention discloses a power distribution cabinet bottom water leakage monitoring and alarming system, belonging to the field of power monitoring, when internal water seepage occurs, insulating oil in an oil conveying capsule gradually seeps and rises along with the rise of a water liquid level, and finally spreads towards a pre-shriveled ball under the action of a bidirectional oil moving rod, on one hand, the connection part of the pre-shriveled ball and the bidirectional oil moving rod is gradually dissolved after contacting with the oil, so that gas in the pre-shriveled ball overflows and is changed from full to shriveled state, thereby visually generating an alarming effect on workers, on the other hand, as the pre-shriveled ball gradually becomes shriveled, an extension rope gradually sags and rapidly moves towards a pressing plate under the action of magnetic strip adsorption force, so that the value of a pressure sensor is continuously changed, and the signal is fed back to a monitoring center, thereby realizing on-line intelligent alarming and bidirectional alarming, and greatly improving the reminding effect on the workers, and then the potential safety hazard that the switch board caused because of seeping water leaks is showing to be reduced.
Description
Technical Field
The invention relates to the field of power monitoring, in particular to a power distribution cabinet bottom water leakage monitoring and alarming system.
Background
The comprehensive monitoring of the power distribution room is an important link in the whole electric energy management system, and generally, the environment temperature and humidity of the power distribution room, the state of a power distribution switch, water leakage/water immersion, smoke and the theft prevention of the power distribution room in a low-voltage network are taken as monitoring objects, and local linkage control, remote centralized monitoring and short message alarm are carried out on various parameters and states of the operation state of important equipment of the power distribution room. The full information acquisition and monitoring of the power distribution room have great significance for the applications of automatic operation management, overhaul and maintenance, disaster prevention alarm, safety protection, power demand management and the like of the power distribution room.
Among the prior art is in infiltration or the water leakage/water logging monitoring to the switch board, often monitor through the air humidity to in the switch board, and most monitoring is concentrated in the condensation condition of joining in marriage the cabinet inner wall, nevertheless behind big rainfall, often ground gathering a lot of floating water is difficult to in time discharge, and install and have the hidden danger of infiltration in outdoor switch board bottom, infiltration monitoring in this aspect is relatively weak, lead to being difficult to in time discover after the switch board infiltration, influence the life of switch board.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a power distribution cabinet bottom water leakage monitoring and alarming system, insulating oil in an oil transportation capsule gradually seeps out and rises along with the rise of the water level, and finally spreads towards a pre-shriveled ball under the action of a bidirectional oil moving rod, on one hand, the connection part of the pre-shriveled ball and the bidirectional oil moving rod gradually dissolves after contacting with the oil, so that the gas in the pre-shriveled ball overflows and changes from full to 'flat', and therefore, the alarm effect on workers is generated visually, on the other hand, as the pre-shriveled ball gradually changes to 'flat', an extension rope gradually sags and quickly moves towards a pressure plate under the action of magnetic strip adsorption force, the value of a pressure sensor is continuously changed, and the signal is fed back to a power distribution monitoring center, so as to realize the on-line intelligent alarm and the bidirectional alarm effect, the reminding effect on the workers is greatly improved, and then the potential safety hazard that the switch board caused because of seeping water leaks is showing to be reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A monitoring and alarming system for water leakage at the bottom of a power distribution cabinet comprises a bearing plate arranged on the inner wall of the power distribution cabinet, the electric elements in the power distribution cabinet are intensively arranged on the upper side of the bearing plate, the lower end of the bearing plate is fixedly connected with an oil guide sheet, the inner bottom end of the power distribution cabinet is fixedly connected with a water collecting frame, the upper end of the water collecting frame and the lower end part of the oil guide sheet are sealed in an extruding way, a plurality of oil transporting capsules which are uniformly distributed are arranged in the water collecting frame, an outer frame is fixedly connected with the outer end of the power distribution cabinet, the outer display frame is connected with a plurality of uniformly distributed pre-shriveled balls, the end part of each pre-shriveled ball close to the outer display frame is connected with a bidirectional accelerator rod, the end part of the bidirectional oil moving rod fixedly penetrates through the power distribution cabinet and is contacted with the oil guide sheet, the inner wall of the outer frame is fixedly connected with a pressing plate, and the pressure sensor is arranged on the pressure plate and is in signal connection with the power distribution monitoring center.
Furthermore, the outer frame is made of a hard transparent structure, the oil guide sheet is made of an oil absorption material, and a plurality of uniformly distributed magnetic sheets are fixedly connected between the bearing plate and the oil guide sheet.
Furthermore, the oil transportation capsule comprises two air floatation capsules, an oil transportation ring positioned between the two air floatation capsules, and a water elimination layer connected between the oil transportation ring and the edge of the air floatation capsules, a connecting rod is fixedly connected between the two air floatation capsules, the connecting rod is positioned on the inner side of the oil transportation ring, and insulating oil is filled in a space enclosed by the oil transportation ring and the two air floatation capsules.
Furthermore, the end parts of the air floatation bags, which are far away from each other, are fixedly connected with adsorption points, and the adsorption points are matched with the magnetic sheets.
Furthermore, the water dissipation layer is made of water-soluble materials, and the air floatation bag and the connecting rod are made of light materials.
Further, two-way oil moves the pole and includes that lead the pole and the activity of being connected with shrivelled ball runs through and leads the pole and extend to the epitaxial rope in the shrivelled ball, epitaxial rope one end with shrivelled ball in advance and lead the inner wall fixed connection that the pole is relative, epitaxial rope other end fixedly connected with iron ball.
Furthermore, the oil guide rod fixedly penetrates through the power distribution cabinet and is connected with the oil guide sheet, the diameter of the part, located outside the power distribution cabinet, of the oil guide rod is smaller than that of the part, located inside the power distribution cabinet, of the oil guide rod, and the diameter of the oil guide rod are different by 2-3 times.
Further, shrivelled ball mouth portion fixedly connected with spacing gas pole in advance, spacing gas pole end fixing inserts in leading the beam hanger, fixed the inlaying in spacing gas pole middle part has the gas leakage layer, equal saturated packing has the oil sealing layer that disappears in gas leakage in situ outside and the hole, the fixed oil sealing layer that runs through of epitaxial rope.
Furthermore, the oil seal-eliminating layer is made of oil-soluble materials, and the air leakage layer is of a multi-through-hole structure.
Furthermore, the magnetic strips corresponding to the positions of the pressing plates are fixedly embedded in the outer frame, the pre-shriveled ball is of an elastic structure in an expansion state, and the volume of the pre-shriveled ball after expansion is 3-5 times that of the original volume of the pre-shriveled ball.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) insulating oil in this scheme fortune oil capsule oozes gradually and risees along with the water liquid level rising, finally stretch towards shrivelled ball department under the effect of two-way oily pole, on the one hand, dissolve gradually after shrivelled ball and the junction contact oil of two-way oily pole, make the inside gas of shrivelled ball overflow in advance and become the state of "shrivelled" by full, thereby produce the alarming action to the staff in the vision, on the other hand, along with shrivelled ball becomes "shrivelled" gradually, epitaxial rope flagging gradually and moving towards the clamp plate fast under the magnetic stripe adsorption force effect, make pressure sensor numerical value constantly change, and give power distribution monitoring center with this signal feedback, realize the intelligent warning on-line, two-way alarming effect, increase substantially the warning effect to the staff, and then show the reduction switch board because of the infiltration potential safety hazard that leaks and cause.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a power distribution cabinet according to the present invention;
fig. 2 is a schematic structural view of the front side of the power distribution cabinet of the present invention;
FIG. 3 is a schematic structural view of the lower end of the power distribution cabinet after water penetration;
FIG. 4 is a schematic structural view of the front face of the oil-transporting capsule of the present invention;
FIG. 5 is a schematic structural view of a cross-section of an oil-transporting capsule of the present invention;
FIG. 6 is a schematic diagram of a modified construction of the oil-carrying capsule of the present invention after encountering water;
FIG. 7 is a schematic cross-sectional view of an external frame of the present invention when water leakage does not occur;
FIG. 8 is a schematic view of the structure of the bi-directional oil moving rod of the present invention;
FIG. 9 is a schematic view of the connection of the pre-deflated ball of the present invention to a bi-directional oil-driven rod;
FIG. 10 is a schematic structural view of a lower end portion of the power distribution cabinet of the present invention when water seepage is severe;
FIG. 11 is a schematic cross-sectional view of an external frame of the present invention when water leakage occurs;
the reference numbers in the figures illustrate:
1 power distribution cabinet, 2 outer frames, 3 pre-shriveled balls, 31 oil guide rods, 32 extending ropes, 33 air leakage layers, 41 bearing plates, 42 oil guide sheets, 5 oil transportation capsules, 51 air floating capsules, 52 oil transportation rings, 53 water dissipation layers, 54 connecting rods, 6 water collection frames, 7 pressing plates, 8 oil dissipation layers and 9 adsorption points.
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:
referring to fig. 1-2, a monitoring and alarming system for water leakage at the bottom of a power distribution cabinet comprises a bearing plate 41 installed on the inner wall of the power distribution cabinet 1, electrical components in the power distribution cabinet are installed on the upper side of the bearing plate 41 in a centralized manner, the lower end of the bearing plate 41 is fixedly connected with an oil guide sheet 42, the inner bottom end of the power distribution cabinet 1 is fixedly connected with a water collection frame 6, the upper end of the water collection frame 6 and the lower end of the oil guide sheet 42 are sealed in a squeezing manner, a plurality of oil transportation capsules 5 which are uniformly distributed are placed in the water collection frame 6, the lower end of the water collection frame 6 is of a porous structure, so that when water seepage and water leakage occur, water enters the water collecting frame 6 in the power distribution cabinet 1, so that the water can be collected and infiltrated at the water collecting frame 6, and when no water is infiltrated outside, or when the infiltration speed is less than the overflow speed, inside ponding can independently be arranged outward, makes the ponding constantly reduce, and switch board 1 outer end fixedly connected with outside frame 2.
In addition frame 6 catchments sets up to the alternative, form the water collecting cavity between the bottom in switch board 1 through loading board 41 and oil guide sheet 42, can reach above-mentioned effect equally, however, in this mode, lead to the liquid level rising in-process, relatively more insulating oil can be excessive, 4 the adsorbed insulating oil of department is less relatively, influence shrivelled ball 3 and outer frame 2 department in advance to the warning effect of infiltration monitoring, and when setting up frame 6 catchments, when the liquid level risees to frame 6 middle part top catchments, insulating oil floats on the liquid level, be difficult for the excessive this moment promptly, technical staff in the field can confirm whether frame 6 catchments is installed as required when concrete implementation.
Referring to fig. 4-6, the oil transportation capsule 5 includes two air floating capsules 51, an oil transportation ring 52 located between the two air floating capsules 51, and a water dissipation layer 53 connected between the oil transportation ring 52 and the edge of the air floating capsules 51, a connecting rod 54 is fixedly connected between the two air floating capsules 51, the connecting rod 54 is located inside the oil transportation ring 52, a space enclosed by the oil transportation ring 52 and the two air floating capsules 51 is filled with insulating oil, the end parts of the air floating capsules 51 far away from each other are fixedly connected with adsorption points 9, the adsorption points 9 are matched with magnetic sheets, the water dissipation layer 53 is made of water-soluble material, the air floating capsules 51 and the connecting rod 54 are made of light material, after contacting with water, the water dissipation layer 53 is water-soluble, the internal insulating oil overflows the magnetic sheets, at this time, the gravity is reduced, under the buoyancy of the air floating capsules 51, the oil moves upwards and is adsorbed and fixed on the oil transportation capsule 4, so that the floating of the liquid level is not easily affected, simultaneously when liquid level come-up is close to a plurality of fortune oil capsules 5, the insulating oil reservoir that is located the top contacts fortune oil capsule 5 earlier, because fortune oil capsule 5 immerses insulating oil reservoir, makes the longitudinal span increase of insulating oil reservoir, makes the contact that insulating oil can be faster, makes the warning effect better.
Referring to fig. 7, a plurality of uniformly distributed pre-shriveled balls 3 are connected to an outer frame 2, the end of each pre-shriveled ball 3 close to the outer frame 2 is connected with a bidirectional oil moving rod, the end of each bidirectional oil moving rod is fixedly penetrated through a power distribution cabinet 1 and is in contact with an oil guide sheet 42, a pressing plate 7 is fixedly connected to the inner wall of the outer frame 2, a pressure sensor is arranged on the pressing plate 7 and is in signal connection with a power distribution monitoring center, the power distribution monitoring center is the prior art and is not described herein, the outer frame 2 is made of a hard transparent structure, so that the change of an extension rope 32 in the outer frame 2 can be seen by external workers, the oil guide sheet 42 is made of an oil absorbing material, so that insulating oil can be absorbed and guided, the insulating oil can be gathered at the position and can overflow along the oil guide rod 31, and a plurality of uniformly distributed magnetic sheets are fixedly connected between the bearing plate 41 and the oil guide sheet 42 for absorbing the oil transporting capsule 5, the inside fixed magnetic stripe of inlaying with clamp plate 7 position correspondence of frame 2 is revealed to the inside, make insulating oil dissolve along leading the oily sealing layer 8 that disappears of oil pole 31 messenger 3 oral area of shrivelled ball, make inside gas excessive back, the constraint of extension rope 32 is relieved equally this moment, it moves down fast under the iron ball effect this moment, when through clamp plate 7 department, because the absorption of magnetic stripe, make its striking clamp plate 7 fast, make pressure sensor take place obvious data change, pressure sensor feeds back this signal to electric power monitoring center, realize the online warning to the infiltration phenomenon, shrivelled ball 3 is the elastic construction who is in the inflation state in advance, and the volume is 3-5 times of its original volume after 3 inflation of shrivelled ball in advance, its volume change is great relatively around making the infiltration, thereby the warning effect to the staff is more obvious.
As fig. 8-9, two-way oil moves pole include with shrivelled ball 3 be connected lead the beam 31 and the activity run through lead the beam 31 and extend to the epitaxial rope 32 in shrivelled ball 3, epitaxial rope 32 one end with shrivelled ball 3 and lead the inner wall fixed connection that the beam 31 is relative, epitaxial rope 32 other end fixedly connected with iron ball, lead the fixed switch board 1 that runs through of beam 31 and with lead the oil sheet 42 and link to each other, and lead the partial diameter that the beam 31 is located switch board 1 outside and be less than the diameter that is located switch board 1, and the two diameter differs 2-3 times, the transmission speed that makes insulating oil reach after this department towards shrivelled ball 3 department accelerates, and then make the alarm effect to the infiltration condition more timely.
In advance the spacing gas pole of 3 oral areas fixedly connected with of shrivelled ball, spacing gas pole end fixing is inserted in leading beam hanger 31, fixed the inlaying in spacing gas pole middle part has gas leakage layer 33, equal saturated packing has oil sealing layer 8 that disappears in gas leakage layer 33 inside and outside and the hole, the fixed oil sealing layer 8 that runs through of epitaxial rope 32, oil sealing layer 8 that disappears is made for oil-soluble material, gas leakage layer 33 is many through hole structure, make and disappear the back at oil sealing layer 8 by oil, gas leakage layer 33 inside and outside penetrating, inside gas is excessive this moment, take place obvious volume change, the iron ball is when weighing down simultaneously, effectively spur shrivelled ball 3 insides in advance, it is more fast to make the external excessive of 3 interior gas of shrivelled balls.
When the internal water seepage situation occurs, the insulating oil in the oil transportation capsule 5 gradually seeps out and floats on the water surface, and rises along with the rise of the water surface, and finally spreads towards the pre-shriveled ball 3 under the action of the bidirectional oil moving rod, on one hand, as shown in fig. 7 and 11, the joint of the pre-shriveled ball 3 and the bidirectional oil moving rod is gradually dissolved after contacting with the oil, so that the gas in the pre-shriveled ball 3 gradually overflows, the pre-shriveled ball 3 is changed from full to flat, and the alarm effect is visually generated for workers, on the other hand, as the pre-shriveled ball 3 gradually becomes flat, the extension rope 32 gradually sags and rapidly moves towards the pressing plate 7 under the action of the magnetic strip adsorption force, and is knocked on the pressing plate 7, so that the value of the pressure sensor is continuously changed, and the signal is fed back to the monitoring center, so that the intelligent alarm of on-line power distribution and the bidirectional alarm effect are realized, the warning effect to the staff is increased substantially, and then the potential safety hazard that the switch board caused because of the infiltration leaks is showing and is reducing.
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 (10)
1. The utility model provides a switch board bottom monitoring alarm system that leaks, is including installing loading board (41) at switch board (1) inner wall, the electric elements in the switch board is concentrated and is installed at loading board (41) upside, its characterized in that: the lower end of the bearing plate (41) is fixedly connected with an oil guide sheet (42), the inner bottom end of the power distribution cabinet (1) is fixedly connected with a water collection frame (6), the upper end of the water collecting frame (6) is sealed with the lower end of the oil guiding sheet (42) in a squeezing way, a plurality of oil transporting capsules (5) which are uniformly distributed are placed in the water collecting frame (6), the outer end of the power distribution cabinet (1) is fixedly connected with an outer frame (2), the outer frame (2) is connected with a plurality of pre-shriveled balls (3) which are uniformly distributed, the end part of the pre-shriveled ball (3) close to the outer frame (2) is connected with a bidirectional accelerator lever, the end part of the bidirectional oil moving rod fixedly penetrates through the power distribution cabinet (1) and is contacted with the oil guide sheet (42), the inner wall of the outer display frame (2) is fixedly connected with a pressing plate (7), a pressure sensor is arranged on the pressing plate (7), and the pressure sensor is in signal connection with a power distribution monitoring center.
2. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 1, characterized in that: the outer frame (2) is made of a hard transparent structure, the oil guide sheet (42) is made of an oil absorption material, and a plurality of uniformly distributed magnetic sheets are fixedly connected between the bearing plate (41) and the oil guide sheet (42).
3. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 2, characterized in that: the oil transportation capsule (5) comprises two air floatation bags (51), an oil transportation ring (52) located between the two air floatation bags (51) and a water dissipation layer (53) connected between the oil transportation ring (52) and the edge of the air floatation bags (51), a connecting rod (54) is fixedly connected between the two air floatation bags (51), the connecting rod (54) is located on the inner side of the oil transportation ring (52), and insulating oil is filled in a space enclosed by the oil transportation ring (52) and the two air floatation bags (51).
4. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 3, characterized in that: the end parts of the air floating bags (51) far away from each other are fixedly connected with adsorption points (9), and the adsorption points (9) are matched with the magnetic sheets.
5. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 1, characterized in that: the water dissipation layer (53) is made of water-soluble materials, and the air floating bag (51) and the connecting rod (54) are made of light materials.
6. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 1, characterized in that: two-way oil moves pole and activity and runs through oil pole (31) and extend to extension rope (32) in the shrivelled ball (3) of leading of being connected with shrivelled ball (3), extension rope (32) one end with shrivelled ball (3) and the relative inner wall fixed connection of leading oil pole (31), extension rope (32) other end fixed connection has the iron ball.
7. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 6, characterized in that: lead oil pole (31) fixed run through switch board (1) and link to each other with leading oil film (42), and lead oil pole (31) and be located the diameter that switch board (1) is outer partial diameter is less than being located switch board (1), and the difference of the two diameter is 2-3 times.
8. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 1, characterized in that: pre-flat ball (3) oral area fixedly connected with spacing gas pole, spacing gas pole end fixing inserts in leading beam of oil (31), spacing gas pole middle part is fixed to be inlayed and is had gas leakage layer (33), it has oil sealing layer (8) to leak equal saturated packing in gas layer (33) inside and outside and the hole, the fixed oil sealing layer (8) that runs through of epitaxial rope (32).
9. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 8, characterized in that: the oil seal eliminating layer (8) is made of oil-soluble materials, and the air leakage layer (33) is of a multi-through-hole structure.
10. The power distribution cabinet bottom water leakage monitoring and alarming system according to claim 9, characterized in that: the magnetic stripe corresponding to the position of the pressing plate (7) is fixedly embedded in the outer frame (2), the pre-shrivelled ball (3) is of an elastic structure in an expansion state, and the volume of the pre-shrivelled ball (3) after expansion is 3-5 times of the original volume of the pre-shrivelled ball.
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| CN202111536857.1A CN114486089B (en) | 2021-12-15 | 2021-12-15 | Power distribution cabinet bottom water leakage monitoring alarm system |
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| CN202111536857.1A CN114486089B (en) | 2021-12-15 | 2021-12-15 | Power distribution cabinet bottom water leakage monitoring alarm system |
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| CN114486089A true CN114486089A (en) | 2022-05-13 |
| CN114486089B CN114486089B (en) | 2023-08-18 |
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| CN115432304A (en) * | 2022-09-14 | 2022-12-06 | 刘中勤 | Exempt from unpacking and examine wet zip fastener carton for fruit vegetables transportation |
| CN116124376A (en) * | 2023-04-12 | 2023-05-16 | 宿迁市恒和电气有限公司 | Water seepage detection device for outdoor power distribution cabinet |
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| CN116124376B (en) * | 2023-04-12 | 2023-06-16 | 宿迁市恒和电气有限公司 | Water seepage detection device for outdoor power distribution cabinet |
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| Publication number | Publication date |
|---|---|
| CN114486089B (en) | 2023-08-18 |
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