CN111487494B - Intelligent monitoring device and monitoring method for power transformer of power distribution network transformer substation - Google Patents
Intelligent monitoring device and monitoring method for power transformer of power distribution network transformer substation Download PDFInfo
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- CN111487494B CN111487494B CN202010351901.0A CN202010351901A CN111487494B CN 111487494 B CN111487494 B CN 111487494B CN 202010351901 A CN202010351901 A CN 202010351901A CN 111487494 B CN111487494 B CN 111487494B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title abstract description 7
- 238000012544 monitoring process Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 48
- 229910052802 copper Inorganic materials 0.000 claims description 33
- 239000010949 copper Substances 0.000 claims description 33
- 230000005389 magnetism Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an intelligent monitoring device and an intelligent monitoring method for a power transformer of a power distribution network substation, and the intelligent monitoring device comprises a machine body, wherein the upper wall of the machine body is provided with a control mechanism, the control mechanism comprises a water receiving tank, the lower wall of the water receiving tank is provided with a placing tank, the inner wall of the placing tank is fixedly connected with two conducting strips, the upper wall of the machine body is provided with two placing cavities, the inner walls of the two placing cavities are fixedly connected with electromagnetic sheets, the opposite side walls of the two electromagnetic sheets are elastically connected with permanent magnetic plates through tension springs, and the two electromagnetic sheets are electrically connected with the two conducting strips; the inside heat dissipation mechanism that is equipped with of organism, heat dissipation mechanism includes the fan of fixed connection at the organism inner wall, organism both sides wall all is equipped with the thermovent, organism both sides wall all is connected with the baffle through the hinge rotation. The invention can carry out heat dissipation and cooling on the device, ensure the normal work of the device, prevent rainwater from entering the device and ensure that internal electrical components are not damaged.
Description
Technical Field
The invention relates to the technical field of transformer monitoring devices, in particular to an intelligent monitoring device and method for a power transformer of a power distribution network substation.
Background
At present, in a distribution network transformer substation, in order to enable a power grid to normally work, a power transformer is usually arranged, and the transformer inevitably breaks down and ages due to various stress actions in a long-term operation process, so that the power transformer normally works and is usually provided with an intelligent monitoring device of the power transformer.
However, since the power transformer is generally arranged outdoors, the monitoring device matched with the power transformer is also arranged outdoors, on one hand, electrical components in the monitoring device are concentrated and complex in composition, and high heat is generated during operation, so that the temperature in the device is increased; on the other hand, under the long-time irradiation of sunlight, the temperature of the device can be increased, electrical components in the monitoring device are easily burnt out by overhigh working temperature, and the normal operation of a power grid is affected under the condition of short circuit or open circuit.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an intelligent monitoring device and a monitoring method for a power transformer of a power distribution network substation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the intelligent monitoring device for the power transformer for the power distribution network substation comprises a machine body, wherein a control mechanism is arranged on the upper wall of the machine body, the control mechanism comprises a water receiving tank, a placing tank is arranged on the lower wall of the water receiving tank, two conducting strips are fixedly connected to the inner wall of the placing tank, two placing cavities are arranged on the upper wall of the machine body, electromagnetic sheets are fixedly connected to the inner walls of the two placing cavities, the opposite side walls of the two electromagnetic sheets are elastically connected with a permanent magnetic plate through tension springs, and the two electromagnetic sheets are electrically connected with the two conducting strips;
a heat dissipation mechanism is arranged inside the machine body and comprises a fan fixedly connected to the inner wall of the machine body, heat dissipation ports are formed in two side walls of the machine body, baffle plates are rotatably connected to the two side walls of the machine body through hinges, corrugated pipes are fixedly connected to the upper walls of the two baffle plates, one ends of the two corrugated pipes, far away from the baffle plates, are fixedly connected to the side walls of the machine body, and the two corrugated pipes are respectively communicated with the side walls of the two placing cavities through air guide pipes;
the organism left side wall is equipped with the inner chamber, inner chamber inner wall sliding connection has the magnetic conduction board, is located the left the baffle lower extreme is made by magnetic material, the two inner walls of inner chamber all inlay and are equipped with the copper, the magnetic conduction board lateral wall runs through and is equipped with the copper line, two copper and fan electric connection.
Preferably, the inner wall of the machine body is fixedly connected with a partition plate, and a plurality of ventilation openings are formed in the side wall of the partition plate at equal intervals.
Preferably, the electromagnetic sheet and the permanent magnetic plate in the same placing cavity repel each other in the same polarity, and the magnetic conducting plate and the baffle on the left side attract each other in the opposite polarity.
Preferably, the lower wall of the water receiving tank is provided with an inclined surface inclined towards the middle, and the placing tank is positioned on the side wall of the water receiving tank close to the middle.
A detection method of an intelligent monitoring device of a power transformer for a distribution network substation comprises the following steps,
s1: in normal weather, electrical components inside the monitoring device work to generate high heat, hot air floats upwards, the magnetic conduction plate is located at the lower end of the inner cavity under the action of self gravity, two ends of the copper wire are in contact with the side walls of the two copper plates, so that an external circuit of the fan is conducted, the fan works to blow hot air at the lower end of the machine body to the upper end, the hot air floats upwards in an accelerating mode, the hot air is blown out of the machine body from the heat dissipation port, and the machine body is cooled;
s2: when raining, rainwater falls into the water receiving tank and flows into the placing tank along the inclined plane of the water receiving tank, the rainwater enters the placing tank, a circuit between the two conducting plates is conducted, the two electromagnetic plates are electrified and generate magnetism, the permanent magnetic plates move towards two sides under the magnetic force action of the electromagnetic plates, air in the placing cavity is extruded into the corrugated pipe, the corrugated pipe extends and drives the baffle plate to rotate to block the heat dissipation port, and the rainwater is prevented from entering the machine body through the heat dissipation port;
s3: after the rain stops, the temperature of organism lateral wall risees gradually, rainwater in the standing groove is constantly evaporated, the back has been evaporated to the rainwater, the disconnection of current between two conducting strips, electromagnetic sheet outage and magnetism disappear, the permanent magnetism board is under the tensile force effect of extension spring, direction to the electromagnetic sheet removes, inhale back the placing cavity with the air in the bellows, the bellows shrink drives the baffle and upwards rotates, open the thermovent, make the inside and outside air circulation of organism, left baffle upwards rotates the back, the magnetic conduction board no longer receives the magnetic force of baffle, move down under the effect of self gravity, make copper line and copper contact, the fan begins work, cool down dispels the heat to the device.
Preferably, when the baffle on the left side rotated to vertical state, the magnetic conduction board upwards removed under the effect of baffle suction force, moved the top of inner chamber, made copper line and copper separation for the external circuit disconnection of fan, fan stop work.
The invention has the following beneficial effects:
1. compared with the prior art, the heat dissipation device has the advantages that in normal weather, the heat dissipation port is in an open state, and the copper wire is in contact with the two copper plates, so that an external circuit of the fan is conducted, the fan works, upward floating of hot air in the device can be accelerated, hot air in the device is discharged in time, the heat dissipation and cooling of the device are realized, and the normal work of the device is ensured;
2. compared with the prior art, when raining, rainwater contacts the two conducting strips to enable the electromagnetic strips to be electrified to generate magnetism, so that the permanent magnetic plate is pushed to move, the corrugated pipe is extended, the baffle plate is pushed to rotate downwards to block the heat dissipation port, rainwater can be prevented from entering the device, and internal electrical components are prevented from being damaged;
3. compared with the prior art, when raining, the side wall of the rainwater washing device can take away a large amount of heat generated in the device during working, and the baffle on the left side can attract the magnetic conduction plate to move upwards to separate the copper wire from the copper plate when rotating to the vertical state, so that an external circuit of the fan is disconnected, the fan stops working, and electric energy can be saved.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent monitoring device for a power transformer of a distribution network substation, which is provided by the invention;
fig. 2 is an enlarged view of a structure at a position a of the intelligent monitoring device for the power transformer of the distribution network substation, which is provided by the invention;
fig. 3 is an enlarged view of a structure at a position B of the intelligent monitoring device for the power transformer of the distribution network substation, which is provided by the invention;
fig. 4 is an enlarged view of a structure at a position C of the intelligent monitoring device for the power transformer of the distribution network substation, which is provided by the invention;
fig. 5 is an enlarged view of a structure at a position D of the intelligent monitoring device for the power transformer of the distribution network substation, which is provided by the invention.
In the figure: 1 organism, 2 water receiving tank, 3 baffles, 4 vents, 5 fans, 6 thermovents, 7 baffles, 8 corrugated pipes, 9 air ducts, 10 standing grooves, 11 conducting strips, 12 placing cavities, 13 electromagnetic sheets, 14 permanent magnetic plates, 15 inner cavities, 16 copper plates, 17 magnetic conductive plates and 18 copper wires.
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.
Referring to fig. 1-5, a power transformer intelligent monitoring device for a distribution network transformer substation comprises a machine body 1, wherein a partition plate 3 is fixedly connected to the inner wall of the machine body 1, the partition plate 3 is mainly used for placing electrical components in the monitoring device, and a plurality of ventilation openings 4 are formed in the side wall of the partition plate 3 at equal intervals.
The upper wall of the machine body 1 is provided with a control mechanism, the control mechanism comprises a water receiving tank 2, the water receiving tank 2 can collect rainwater in rainy days, the lower wall of the water receiving tank 2 is provided with a placing groove 10, the lower wall of the water receiving tank 2 is provided with an inclined plane inclined towards the middle, the placing groove 10 is positioned on the side wall of the water receiving tank 2 close to the middle part, the rainwater can flow into the placing groove 10 along the inclined plane of the water receiving tank 2, the inner wall of the placing groove 10 is fixedly connected with two conducting strips 11, the upper wall of the machine body 1 is provided with two placing cavities 12, the inner walls of the two placing cavities 12 are both fixedly connected with electromagnetic sheets 13, the opposite side walls of the two electromagnetic sheets 13 are both elastically connected with a permanent magnetic plate 14 through tension springs, the permanent magnetic plate 14 is in sealed sliding connection with the inner wall of the placing cavity 12, the electromagnetic sheets 13 in the same placing cavity 12 are homopolar to repel with the permanent magnetic plate 14, the two electromagnetic sheets 13 are both electrically connected with the two electromagnetic sheets 11, and it is worth noting that the electric energy of the electromagnetic sheets 13 and the electric energy of the electromagnetic sheets 11 are both from circuits in the detection device, that is, the electromagnetic sheet 13 and the conducting sheet 11 are electrically connected to the internal circuit of the device, and the specific connection mode is wire connection, which is the prior art and will not be described herein;
a heat dissipation mechanism is arranged inside the machine body 1 and comprises a fan 5 fixedly connected to the inner wall of the machine body 1, heat dissipation ports 6 are formed in two side walls of the machine body 1, baffle plates 7 are rotatably connected to the two side walls of the machine body 1 through hinges, in an initial state, the baffle plates 7 are both located at positions close to the horizontal position, namely the baffle plates 7 are in an opening state, corrugated pipes 8 are fixedly connected to the upper walls of the two baffle plates 7, the corrugated pipes 8 have elasticity, one ends, far away from the baffle plates 7, of the two corrugated pipes 8 are fixedly connected with the side walls of the machine body 1, and the two corrugated pipes 8 are respectively communicated with the side walls of the two placing cavities 12 through air guide pipes 9;
the left side wall of the machine body 1 is provided with an inner cavity 15, the inner wall of the inner cavity 15 is connected with a magnetic conduction plate 17 in a sliding mode, the lower end of a baffle 7 positioned on the left side is made of magnetic materials, the magnetic conduction plate 17 and the baffle 7 positioned on the left side are attracted in different poles, copper plates 16 are embedded in two inner walls of the inner cavity 15, copper wires 18 penetrate through the side walls of the magnetic conduction plate 17, the two copper plates 16 are electrically connected with the fan 5, the copper wires 18 and the two copper plates 16 are connected with the fan 5 in series, and the copper plates 16 and the fan 5 are electrically connected with each other through circuits in the device.
Under normal weather, the work of the inside electrical components of device, produce higher heat, and, because the characteristic of steam self can upwards float, magnetic conduction plate 17 is located the lower extreme of inner chamber 15 under the effect of self gravity, and the both ends of copper line 18 and the contact of two copper 16 lateral walls, thereby make the external circuit of fan 5 switch on, fan 5 work, can blow the upper end with the hot gas of organism 1 lower extreme, steam come-up with higher speed, and blow off steam outside organism 1 from thermovent 6, can dispel the heat to organism 1, thereby guarantee that the inside components and parts of organism 1 work under comparatively safe temperature, prevent that electrical components from appearing the circumstances such as short circuit owing to the high temperature, cause serious loss.
When raining, the rainwater falls into water receiving tank 2, and flow into in standing groove 10 along the inclined plane of water receiving tank 2 (it is worth noting, because standing groove 10 space is very little, the standing groove 10 will be filled up soon to the rainwater in the water receiving tank 2, thereby make when just raining, just can fill up the rainwater in the standing groove 10), the rainwater gets into in the standing groove 10, because water can electrically conduct, can make the circuit between two conducting strips 11 switch on, and then make two electromagnetic sheets 13 circular telegrams, and produce magnetism, under electromagnetic sheet 13's magnetic force effect, permanent magnetic plate 14 removes to both sides, will place in the chamber 12 the air extrusion bellows 8, bellows 8 extends and drives baffle 7 and rotates, can block thermovent 6, prevent that the rainwater from getting into inside organism 1 through thermovent 6, damage the inside electrical components of organism 1.
When left baffle 7 rotated vertical state, magnetic conduction plate 17 was rebound under the effect of baffle 7 suction force, moved the top of inner chamber 15, made copper line 18 and copper 16 separation, and then made the external circuit disconnection of fan 5, and fan 5 stop work also can take away most heat when 1 outer wall of rainwater washing machine body, cools down to machine body 1, so, can make fan 5 stop work voluntarily rainy day, practices thrift the electric energy.
After the rain stops, the temperature of the side wall of the machine body 1 rises gradually, a small amount of rain drops in the placing groove 10 are evaporated, after the rain water is evaporated, the current between the two conducting strips 11 is cut off, the electromagnetic sheet 13 is powered off, the magnetism disappears, the permanent magnetic plate 14 moves towards the direction of the electromagnetic sheet 13 under the action of the tension force of the tension spring, the air in the corrugated pipe 8 is sucked back into the placing cavity 12, the corrugated pipe 8 contracts to drive the baffle 7 to rotate upwards, the heat dissipation port 6 is opened to enable the interior of the machine body 1 to circulate with the outside air, the left baffle 7 rotates upwards, the magnetic conduction plate 17 does not receive the magnetic force of the baffle 7, the copper wire moves downwards under the action of self gravity, the copper wire 18 is in contact with the copper plate 16, the fan 5 starts to work, and the device is cooled.
Referring to fig. 1-5, a method for detecting an intelligent monitoring device of a power transformer for a distribution network substation comprises the following steps,
s1: in normal weather, electrical components inside the monitoring device work to generate high heat, hot air floats upwards, the magnetic conduction plate 17 is located at the lower end of the inner cavity 15 under the action of self gravity, two ends of the copper wire 18 are in contact with the side walls of the two copper plates 16, so that an external circuit of the fan 5 is conducted, the fan 5 works to blow hot air at the lower end of the machine body 1 to the upper end, the hot air floats upwards in an accelerating mode, the hot air is blown out of the machine body 1 from the heat dissipation port 6, and heat dissipation is carried out on the machine body 1;
s2: when raining, rainwater falls into the water receiving tank 2 and flows into the placing tank 10 along the inclined plane of the water receiving tank 2, the rainwater enters the placing tank 10, a circuit between the two conducting strips 11 is conducted, the two electromagnetic sheets 13 are electrified and generate magnetism, the permanent magnetic plates 14 move towards two sides under the magnetic force action of the electromagnetic sheets 13, air in the placing cavity 12 is extruded into the corrugated pipes 8, the corrugated pipes 8 extend and drive the baffle plates 7 to rotate to block the heat dissipation ports 6, and the rainwater is prevented from entering the machine body 1 through the heat dissipation ports 6; meanwhile, when the baffle 7 on the left side rotates to a vertical state, the magnetic conduction plate 17 moves upwards under the action of the attraction force of the baffle 7 and moves to the uppermost end of the inner cavity 15, so that the copper wire 18 is separated from the copper plate 16, an external circuit of the fan 5 is disconnected, and the fan 5 stops working;
s3: after the rain stops, the temperature of the side wall of the machine body 1 gradually rises, rainwater in the placing groove 10 is continuously evaporated, after the rainwater is evaporated, the current between the two conducting strips 11 is cut off, the electromagnetic sheet 13 is powered off, the magnetism disappears, the permanent magnetic plate 14 moves towards the direction of the electromagnetic sheet 13 under the action of the tension force of the tension spring, air in the corrugated pipe 8 is sucked back into the placing cavity 12, the corrugated pipe 8 contracts to drive the baffle 7 to rotate upwards, the heat dissipation port 6 is opened, the interior of the machine body 1 is communicated with the outside air, the left baffle 7 rotates upwards, the magnetic conduction plate 17 does not receive the magnetic force of the baffle 7, the copper wire moves downwards under the action of self gravity, the copper wire 18 is in contact with the copper plate 16, the fan 5 starts to work, and the device is cooled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a power transformer intelligent monitoring device for distribution network transformer substation, includes organism (1), its characterized in that: the upper wall of the machine body (1) is provided with a control mechanism, the control mechanism comprises a water receiving tank (2), the lower wall of the water receiving tank (2) is provided with a placing groove (10), the inner wall of the placing groove (10) is fixedly connected with two conducting strips (11), the upper wall of the machine body (1) is provided with two placing cavities (12), the inner walls of the two placing cavities (12) are fixedly connected with electromagnetic sheets (13), the opposite side walls of the two electromagnetic sheets (13) are respectively and elastically connected with a permanent magnetic plate (14) through tension springs, and the two electromagnetic sheets (13) are respectively and electrically connected with the two conducting strips (11);
a heat dissipation mechanism is arranged inside the machine body (1), the heat dissipation mechanism comprises a fan (5) fixedly connected to the inner wall of the machine body (1), heat dissipation ports (6) are formed in two side walls of the machine body (1), baffle plates (7) are rotatably connected to the two side walls of the machine body (1) through hinges, corrugated pipes (8) are fixedly connected to the upper walls of the two baffle plates (7), one ends, far away from the baffle plates (7), of the two corrugated pipes (8) are fixedly connected with the side wall of the machine body (1), and the two corrugated pipes (8) are respectively communicated with the side walls of the two placing cavities (12) through air guide pipes (9);
organism (1) left side wall is equipped with inner chamber (15), inner chamber (15) inner wall sliding connection has magnetic conduction board (17), is located left baffle (7) lower extreme is made by magnetic material, inner chamber (15) two inner walls all inlay and are equipped with copper (16), magnetic conduction board (17) lateral wall runs through and is equipped with copper line (18), two copper (16) and fan (5) electric connection are located same place electromagnetic sheet (13) in chamber (12) and permanent magnetic plate (14) homopolar repulsion, magnetic conduction board (17) and left baffle (7) heteropolar are inhaled mutually.
2. The intelligent monitoring device for the power transformer of the power distribution network substation according to claim 1, characterized in that: organism (1) inner wall fixedly connected with baffle (3), baffle (3) lateral wall is equidistant to be equipped with a plurality of vents (4).
3. The intelligent monitoring device for the power transformer of the power distribution network substation according to claim 1, characterized in that: the lower wall of the water receiving tank (2) is provided with an inclined plane inclined towards the middle, and the placing tank (10) is located on the side wall, close to the middle, of the water receiving tank (2).
4. The detection method of the intelligent monitoring device for the power transformer of the power distribution network substation according to claim 1, is characterized in that: comprises the following steps of (a) carrying out,
s1: in normal weather, electrical components inside the monitoring device work to generate high heat, hot air floats upwards, the magnetic conduction plate (17) is located at the lower end of the inner cavity (15) under the action of self gravity, two ends of the copper wire (18) are in contact with the side walls of the two copper plates (16), so that an external circuit of the fan (5) is conducted, the fan (5) works to blow hot air at the lower end of the machine body (1) to the upper end, the hot air floats upwards in an accelerating mode, the hot air is blown out of the machine body (1) from the heat dissipation port (6), and the machine body (1) is cooled;
s2: when raining, rainwater falls into the water receiving tank (2) and flows into the placing tank (10) along the inclined plane of the water receiving tank (2), the rainwater enters the placing tank (10), a circuit between the two conducting strips (11) is conducted, the two electromagnetic sheets (13) are electrified and generate magnetism, the permanent magnetic plate (14) moves towards two sides under the magnetic force action of the electromagnetic sheets (13), air in the placing cavity (12) is extruded into the corrugated pipe (8), the corrugated pipe (8) extends and drives the baffle (7) to rotate to block the heat dissipation port (6), and the rainwater is prevented from entering the machine body (1) through the heat dissipation port (6);
s3: after rain stops, the temperature of the side wall of the machine body (1) rises gradually, rainwater in the placing groove (10) is evaporated continuously, after the rainwater is evaporated, current between the two conducting strips (11) is cut off, the electromagnetic sheet (13) is powered off and the magnetism disappears, the permanent magnetic plate (14) moves towards the direction of the electromagnetic sheet (13) under the action of tension of the tension spring, air in the corrugated pipe (8) is sucked back into the placing cavity (12), the corrugated pipe (8) contracts to drive the baffle (7) to rotate upwards, the heat dissipation port (6) is opened, the interior of the machine body (1) is communicated with outside air, after the left baffle (7) rotates upwards, the magnetic conducting plate (17) does not receive the magnetic force of the baffle (7), moves downwards under the action of self gravity, the copper wire (18) is contacted with the copper plate (16), the fan (5) starts to work, and the device is cooled.
5. The detection method of the intelligent monitoring device for the power transformer of the power distribution network substation as claimed in claim 4, wherein the detection method comprises the following steps: when baffle (7) on the left rotated to vertical state, magnetic conduction board (17) upwards removed under the effect of baffle (7) attraction, moved the top of inner chamber (15), made copper line (18) and copper (16) separation for the external circuit disconnection of fan (5), fan (5) stop work.
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| CN202010351901.0A CN111487494B (en) | 2020-04-28 | 2020-04-28 | Intelligent monitoring device and monitoring method for power transformer of power distribution network transformer substation |
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| CN202010351901.0A CN111487494B (en) | 2020-04-28 | 2020-04-28 | Intelligent monitoring device and monitoring method for power transformer of power distribution network transformer substation |
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| CN112086882B (en) * | 2020-09-16 | 2022-09-27 | 山东天行电力工程有限责任公司 | Block terminal that has fire prevention function is used in electric power engineering installation |
| CN112234541B (en) * | 2020-09-21 | 2021-11-30 | 国网黑龙江省电力有限公司黑河供电公司 | Cable bridge damp-proof structure for telecommunication transmission |
| CN113848353B (en) * | 2021-09-15 | 2024-06-21 | 宁波双启新能源科技有限公司 | Distributed intelligent power monitoring system |
| CN115171525A (en) * | 2022-09-06 | 2022-10-11 | 南京智慧交通信息股份有限公司 | A intelligent public transit electron stop board for wisdom city |
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