CN111112235A - Heating type main transformer safety deicing device - Google Patents

Heating type main transformer safety deicing device Download PDF

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Publication number
CN111112235A
CN111112235A CN201911342866.XA CN201911342866A CN111112235A CN 111112235 A CN111112235 A CN 111112235A CN 201911342866 A CN201911342866 A CN 201911342866A CN 111112235 A CN111112235 A CN 111112235A
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CN
China
Prior art keywords
air
main transformer
assembly
heating
air supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911342866.XA
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Chinese (zh)
Inventor
李义
陈佳胜
何彬
张晟
吴桐
操文强
李军
曹宣艳
庄红军
吴瑀
杨专
杜伟
刘昊
刘庆
史明杰
顾韦
石军
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Guizhou Power Grid Co Ltd
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Guizhou Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou Power Grid Co Ltd filed Critical Guizhou Power Grid Co Ltd
Priority to CN201911342866.XA priority Critical patent/CN111112235A/en
Publication of CN111112235A publication Critical patent/CN111112235A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0064Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
    • B08B7/0071Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating

Abstract

The invention relates to the technical field of deicing devices, in particular to a heating type main transformer safety deicing device which comprises an air supply assembly, a heating assembly and a plurality of air pipe assemblies, wherein the heating assembly is used for heating air output by the air supply assembly, the air pipe assemblies are used for conveying hot air heated by the heating assembly to the surface of a main transformer, the air supply assembly comprises an air blower and an air collecting box used for collecting air blown by the air blower, the air pipe assemblies are respectively connected with the air collecting box, one ends of the air pipe assemblies, far away from the air collecting box, face different directions respectively, the deicing device has the function of deicing the main transformer, and the deicing device also has the function of preventing the main transformer from being frozen.

Description

Heating type main transformer safety deicing device
Technical Field
The invention relates to the technical field of deicing devices, in particular to a heating type main transformer safety deicing device.
Background
A power transmission system of a power system is located outdoors, the outer surface of equipment is easy to freeze in winter, and most power supply systems in China have power failure caused by icing of the power transmission system in the event of a snow disaster in 2008, so that the life of Chinese people is greatly influenced.
A main transformer, called a main transformer (GSU) for short, is a main step-down transformer mainly used for power transmission and transformation in a unit or a transformer substation, and is also a core part of the transformer substation. The main transformer generally has a relatively large capacity and requires high operational reliability. Although the main transformer has a low failure rate, significant losses are incurred upon failure. Equipment failure may result if light; if so, fire can be caused, and the normal transportation safety is endangered. If the surface of the main transformer is frozen and ice is melted, the water vapor can accelerate the aging of the solid insulating material, and the service life of the main transformer is shortened; if insulator post etc. are used for the condition that takes place to freeze on the output device, the phenomenon of flashover appears easily in the condition of high voltage, threatens the safety of power plant.
Disclosure of Invention
The invention provides a heating type main transformer safety deicing device which has the function of deicing a main transformer and also has the function of preventing the main transformer from icing.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a hot type owner becomes safe defroster which includes air feed subassembly, is used for carrying out the heating element that heats to the wind that air feed subassembly exported and is used for carrying to a plurality of tuber pipe subassembly of main transformer with hot-blast the carrying after heating element heating.
Furthermore, the air supply assembly comprises a blower and an air collecting box for collecting air blown out by the blower, and the air pipe assemblies are respectively connected with the air collecting box.
Further, every the tuber pipe subassembly includes the air supply section of connecing the wind section and being connected with the wind section of connecing that the collection bellows is connected, heating element locates in the wind section, the air supply section includes many blast pipes that can dismantle the connection, be equipped with a plurality of hot-blast blowout mouths on the blast pipe.
Furthermore, each air receiving section is provided with a first valve for blocking air in the air collecting box from flowing out of the air collecting box, and each air supply pipe is provided with a plurality of second valves for blocking air in the air supply pipe from flowing to the next air supply pipe.
Furthermore, the ice-snow melting water collector also comprises a water collecting tank which is arranged on the main transformer and is used for collecting ice-snow melting water.
Further, a sponge layer is arranged on one side, close to the main transformer, of the water collecting tank.
Further, the air duct assembly further comprises a supporting mechanism for supporting the air duct assembly.
Furthermore, the supporting mechanism comprises a supporting frame, a lifting assembly arranged on the supporting frame in a sliding mode and used for driving the air pipe assembly to lift, a telescopic assembly arranged on the lifting assembly and used for driving the air pipe assembly to be close to or far away from the main transformer, and a placing part arranged on the telescopic assembly and used for placing the air pipe assembly.
Further, the support frame includes the guide bar of a plurality of vertical settings, lifting unit locates the first sliding sleeve on the guide bar and is used for being fixed in the retaining member on the guide bar with the sliding sleeve including the horizontal pole, the sliding sleeve that are used for bearing telescopic unit, horizontal pole and first sliding sleeve fixed connection.
Furthermore, a second sliding sleeve is slidably sleeved on the cross rod, and the fixing sleeve is fixedly connected with the second sliding sleeve.
The invention has the beneficial effects that: when the device is used, the air output by the air supply assembly is heated through the heating assembly, then the heated hot air is conveyed through the air pipe assembly and blown to the main transformer, so that the temperature around the main transformer is increased, ice on the main transformer is melted, the purpose of deicing and preventing the main transformer from icing is achieved, and the device is safe and good in deicing effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a wind supply assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of a wind collecting box according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a blower tube according to an embodiment of the present invention;
FIG. 5 is a schematic view of the internal structure of the wind receiving section according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a socket according to an embodiment of the present invention;
FIG. 7 is a schematic view of the distribution of water collection troughs according to an embodiment of the invention;
FIG. 8 is a cross-sectional view of a water collection sump according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a supporting mechanism according to an embodiment of the present invention.
Description of reference numerals: 1. a wind supply assembly; 11. a blower; 12. an air collecting box; 121. an air distributing opening; 2. a heating assembly; 21. an electric heating wire; 22. a rechargeable battery; 23. a socket; 3. an air duct assembly; 31. a wind receiving section; 311. a first valve; 32. an air supply section; 321. an air supply pipe; 322. a hot air ejection port; 323. a second valve; 4. a water collection tank; 5. a main transformer; 6. a sponge layer; 71. a support frame; 711. a guide bar; 72. a placement section; 73. a lifting assembly; 731. a cross bar; 732. a first sliding sleeve; 733. a locking member; 734. a second sliding sleeve; 74. a telescoping assembly; 741. fixing a sleeve; 742. a telescopic rod.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
The invention provides a heating type main transformer safety deicing device, which comprises an air supply assembly 1, a heating assembly 2 (see figure 5) for heating air output by the air supply assembly 1, and a plurality of air pipe assemblies 3 for conveying hot air heated by the heating assembly 2 to the surface of a main transformer 5 (see figure 7), as shown in figure 1.
During the use, heat the wind of air feed subassembly 1 output through heating element 2, then the hot-blast air after the heating is carried and is blown to main transformer 5 through tuber pipe subassembly 3, makes the temperature rise around the main transformer 5, and the ice on the main transformer 5 melts, reaches the purpose that deicing and prevention main transformer 5 freeze, and safety and deicing effect are good.
As shown in fig. 2, the air supply assembly 1 includes a blower 11 and an air collecting box 12 for collecting air blown from the blower 11, the air pipe assemblies 3 are respectively connected to the air collecting box 12, and one ends of the air pipe assemblies 3 far away from the air collecting box 12 face different directions respectively. Specifically, air-blower 11 is connected to collection bellows 12, and the air that collection bellows 12 was collected is carried to the external world through tuber pipe subassembly 3, and because the one end orientation different directions of the tuber pipe subassembly 3 of difference keeping away from collection bellows 12 makes the wind in collection bellows 12 can be carried to different positions, increases hot-blast dispersion area, and then increases the deicing area of this device, improves deicing efficiency.
Specifically, in this embodiment, the air collecting box 12 is cylindrical, as shown in fig. 3, six air dividing openings 121 are formed in the side wall of the air collecting box 12, the six air dividing openings 121 are circumferentially arranged at equal intervals along the side wall of the air collecting box 12, and the air pipe assembly 3 is communicated with the air collecting box 12 through the air dividing openings 121. In other embodiments, the air collecting box 12 may also be in other shapes such as a rectangular box, a spherical box, etc., and the number of the air distributing openings 121 may also be four, five, seven, etc., and the number of the air duct assemblies 3 is equal to the number of the air distributing openings 121.
As shown in fig. 2 and 4, each of the air duct assemblies 3 includes an air receiving section 31 connected to the air collecting box 12 and an air blowing section 32 connected to the air receiving section 31, the heating assembly 2 is disposed in the air receiving section 31, the air blowing section 32 includes a plurality of detachably connected air blowing pipes 321, and the air blowing pipes 321 are provided with a plurality of hot air blowing ports 322. Specifically, when the device is used, the hot air outlet 322 of the air supply pipe 321 faces the direction of the main transformer 5, so that the hot air in the air supply pipe 321 is sprayed from the hot air outlet 322 to the periphery of the main transformer 5 or the surface of the main transformer 5, and the purpose of improving the temperature around the main transformer 5 to melt ice on the main transformer 5 or preventing the main transformer 5 from freezing is achieved. Specifically, a plurality of hot air outlets 322 on each of the air supply pipes 321 are arranged at equal intervals, and the plurality of hot air outlets 322 are arranged along the length direction of the air supply pipe 321, so that hot air in the air supply pipe 321 can be sprayed onto the main transformer 5, which is beneficial to reducing energy waste.
In order to adapt the device to transformers with different sizes, the air supply section 32 of the device is detachably connected by a plurality of air supply pipes 321. Specifically, the air supply pipes 321 are PV pipes, two adjacent air supply pipes 321 are connected by an elbow (not shown) or a straight joint (not shown), the air supply pipes 321 are spliced together and can be arranged around the periphery of the main transformer 5 by matching the elbow and the straight joint, specifically, two adjacent air supply pipes 321 are connected by an elbow at a turning position, two adjacent air supply pipes 321 are connected by a straight joint at a straight position, and the hot air outlet 322 of each air supply pipe 321 faces the direction of the main transformer 5. The blast pipe 321 of the device can be spliced into the adaptive length according to the size of the main transformer 5, and can also be detached to be convenient for storage in non-icing seasons, so that the device is more convenient to use.
Specifically, referring to fig. 3 and 5, the heating assembly 2 includes a heating wire 21 disposed in the air receiving section 31 and a rechargeable battery 22 disposed outside the air receiving section 31, the rechargeable battery 22 is electrically connected to the heating wire 21, the heating wire 21 is a low-temperature heating wire 21 with a maximum temperature of 100 ℃, and the rechargeable battery 22 is a nickel-zinc battery. In the device, a large number of circuit connections can be avoided by arranging the heating component 2 in each wind receiving section 31, and in order to avoid faults caused by overheating of the rechargeable storage battery 22, as shown in fig. 6, one side, close to the wind receiving section 31, of the rechargeable storage battery 22 is provided with the sleeving piece 23, the sleeving piece 23 is sleeved on the wind receiving section 31, and compared with the circular sleeving piece 23, the sleeving piece 23 is semicircular and is more convenient to mount on the wind receiving section 31 or dismount from the wind receiving section 31.
As shown in fig. 2 and 3, in order to reduce the energy waste, each air receiving section 31 is provided with a first valve 311 for blocking the air in the air collecting box 12 from flowing out of the air collecting box 12, and each air supply pipe 321 is provided with a plurality of second valves 323 for blocking the air in the air supply pipe 321 from flowing to the next air supply pipe 321. The user may open or close the corresponding first valve 311 and second valve 323 depending on the position of the ice detachment. The wind in the wind collecting box 12 can be conveyed to a designated position for deicing, because some parts or parts on the main transformer 5 can generate heat, under the same weather condition, some parts are not frozen and some parts are already frozen, so the position needing deicing is uncertain, the arrangement of the first valve 311 and the second valve 323 of the device can control the opening and closing of the first valve 311 and the second valve 323 according to the weather condition at that time to control the conveying position of the hot wind so as to achieve the purpose of conveying the hot wind to the position needing deicing for deicing, and the device is favorable for reducing resource waste.
Specifically, the first valve 311 is provided between the wind collecting box 12 and the heating unit 2, and the first valve 311 and the second valve 323 are preferably butterfly valves that can control not only the opening and closing of the wind pipe unit 3 but also the size of the opened passage, adjust the amount of wind to be delivered, and improve the energy utilization rate.
As shown in fig. 7, the ice-snow melting water collecting device further includes a water collecting tank 4 disposed on the main transformer 5 and used for collecting ice-snow melting water, and is used for collecting water flowing down after ice on the main transformer 5 is melted, so that water accumulation on the main transformer 5 is avoided, and equipment safety is not affected.
As shown in fig. 8, a sponge layer 6 is disposed on one side of the water collection tank 4 close to the main transformer 5, so that water flowing down after ice is melted can flow into the water collection tank through the sponge layer 6 without overflowing.
Wherein, for the use of this device of convenience, this device still includes the supporting mechanism who is used for supporting tuber pipe subassembly 3, and supporting mechanism's setting up is convenient to be installed tuber pipe subassembly 3, improves the installation effectiveness.
As shown in fig. 9, the supporting mechanism includes a supporting frame 71, a placing portion 72 for placing the air duct assembly 3, a lifting assembly 73 slidably disposed on the supporting frame 71 for driving the placing portion 72 to move up and down, and a telescopic assembly 74 disposed on the lifting assembly 73 for driving the placing portion 72 to move toward or away from the main transformer 5, wherein the telescopic assembly 74 is connected to the placing portion 72. During the use, install tuber pipe subassembly 3 on placing portion 72, then promote lifting unit 73, make lifting unit 73 slide from top to bottom on support frame 71, and then drive flexible subassembly 74 up-and-down motion, flexible subassembly 74 up-and-down motion further drives placing portion 72 and the tuber pipe subassembly 3 motion that is located placing portion 72 to reach the purpose of adjusting tuber pipe subassembly 3 height. After adjusting the height of air duct assembly 3, through the flexible effect of flexible subassembly 74, drive portion 72 of placing is to the direction motion of being close to or keeping away from main transformer 5, and then adjusts the horizontal distance between air duct assembly 3 and the main transformer 5, makes air duct assembly 3 can aim at the position that needs the deicing and blow hot-blastly, guarantees the deicing effect, improves deicing efficiency.
The supporting frame 71 includes a plurality of vertically disposed guide bars 711, the lifting assembly 73 includes a cross bar 731 for supporting the telescopic assembly 74, a first sliding sleeve 732 slidably sleeved on the guide bars 711, and a locking member 733 for fixing the first sliding sleeve 732 to the guide bars 711, and the cross bar 731 is fixedly connected to the first sliding sleeve 732. When the height of air duct component 3 needs to be adjusted, first sliding sleeve 732 is made to move up and down along guide rod 711 by pushing first sliding sleeve 732, first sliding sleeve 732 moves up and down and then drives cross rod 731 to move up and down, cross rod 731 further drives telescopic component 74 on cross rod 731 to move up and down by moving up and down, the purpose of adjusting the height of air supply pipe 321 is finally achieved, after the height of air supply pipe 321 is adjusted, first sliding sleeve 732 is fixed by locking component 733, and the effect that deicing is influenced by downward sliding of first sliding sleeve 732 due to the gravity action of cross rod 731 and telescopic component 74 is avoided.
Specifically, the locking member 733 is threaded to the guide rod 711 through the first sliding sleeve 732. Wherein, retaining member 733 is lock nut, set up the through-hole (not shown in the figure) that supplies retaining member 733 to pass on the first sliding sleeve 732, set up on the guide bar 711 and supply retaining member 733 male locating hole (not shown in the figure), the inner wall of locating hole is equipped with the internal thread (not shown in the figure) that matches with retaining member 733, when fixed first sliding sleeve 732, retaining member 733 passes first sliding sleeve 732's through-hole earlier, then insert the locating hole of guide bar 711 and with locating hole threaded connection, the fixed mode is simple to be favorable to raising the efficiency, and threaded connection mode is stable, the difficult emergence of fixed first sliding sleeve 732 removes.
The telescopic assembly 74 includes a fixing sleeve 741 disposed on the cross bar 731, and a telescopic rod 742 having an end sleeved in the fixing sleeve 741, the telescopic rod 742 is slidably connected to the fixing sleeve 741, an end of the telescopic rod 742 away from the fixing sleeve 741 moves in a direction approaching or departing from the main transformer 5, and the placing portion 72 is disposed at an end of the telescopic rod 742 away from the fixing sleeve 741. During the use, make telescopic link 742 to the direction motion that is close to main transformer 5 through pulling telescopic link 742, and then drive the portion 72 of placing and be close to main transformer 5, finally make blast pipe 321 to the direction motion that is close to main transformer 5, and then reach the purpose of adjusting the horizontal distance between blast pipe 321 and the main transformer 5, guarantee the deicing effect, improve deicing efficiency.
The second sliding sleeve 734 is slidably sleeved on the cross bar 731, the fixed sleeve 741 is fixedly connected to the second sliding sleeve 734, and the second sliding sleeve 734 enables the telescopic assembly 74 to move along the length direction of the cross bar 731, so as to drive the placing portion 72 to move along the length direction of the cross bar 731, and further adjust the position of the placing portion 72 for receiving the air supply pipe 321, so as to avoid the first valve 311 and the second valve 323.
The placing parts 72 are semi-annular parts with upward openings, at least two placing parts 72 are arranged, the semi-annular placing parts 72 are matched with the shape of the air supply pipe 321, the air supply pipe 321 is not prone to falling, the more than two placing parts 72 are more beneficial to stable installation of the air supply pipe 321 on the supporting frame 71, and shaking is not prone to occurring.
The working principle is as follows:
when the device is used for deicing the main transformer 5, the supporting frame 71 is moved to the main transformer 5, the placing part 72 of the supporting frame 71 is close to the main transformer 5, then a plurality of blast pipes 321 are spliced according to the size of the main transformer 5, the spliced blast pipes 321 are connected with the air receiving section 31 of the air pipe assembly 3, then the spliced air pipe assembly 3 is installed on the placing part 72 of the supporting frame 71 to be fixed, the hot air jetting port 322 on the installed air pipe assembly 3 faces the direction of the main transformer 5, the height of the air pipe assembly 3 is adjusted by sliding the position of the first sliding sleeve 732 on the guide rod 711, the telescopic rod 742 is pulled to adjust the horizontal distance between the air pipe assembly 3 and the main transformer 5, the hot air jetting port 322 of the air pipe assembly 3 is located at the position of the main transformer 5, finally, the air blower 11 is started, and the corresponding first valve 311 and second valve 323 are opened to jet hot air to the main transformer 5 through the hot air jetting port 322 The position of deicing, and then reach the purpose of deicing, deicing effect is good, and is efficient, and can prevent main transformer 5 from icing once more.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a heating type owner becomes safe defroster which characterized in that: the air supply device comprises an air supply assembly, a heating assembly and a plurality of air pipe assemblies, wherein the heating assembly is used for heating air output by the air supply assembly, and the air pipe assemblies are used for conveying hot air heated by the heating assembly to a main transformer.
2. The heating type main transformer safety deicing device according to claim 1, characterized in that: the air supply assembly comprises an air blower and an air collecting box used for collecting air blown out by the air blower, and the air pipe assemblies are respectively connected with the air collecting box.
3. A heating type main transformer safety de-icing device according to claim 2, characterized in that: every the tuber pipe subassembly includes the air supply section that connects the wind section and connect the wind section of being connected with album wind case, heating element locates in the wind section, the air supply section includes many blast pipes that can dismantle the connection, be equipped with a plurality of hot-blast blowout mouths on the blast pipe.
4. A heating type main transformer safety de-icing arrangement according to claim 3, characterised in that: each air receiving section is provided with a first valve for blocking air in the air collecting box from flowing out of the air collecting box, and each air supply pipe is provided with a plurality of second valves for blocking air in the air supply pipe from flowing to the next air supply pipe.
5. The heating type main transformer safety deicing device according to claim 1, characterized in that: the ice and snow melting water collecting device further comprises a water collecting tank which is arranged on the main transformer and used for collecting ice and snow melting water.
6. A heating type main transformer safety de-icing device according to claim 5, characterized in that: and a sponge layer is arranged on one side of the water collecting tank close to the main transformer.
7. The heating type main transformer safety deicing device according to claim 1, characterized in that: the air duct assembly further comprises a supporting mechanism for supporting the air duct assembly.
8. The heating type main transformer safety deicing device according to claim 7, characterized in that: the supporting mechanism comprises a supporting frame, a lifting assembly arranged on the supporting frame in a sliding mode and used for driving the air pipe assembly to lift, a telescopic assembly arranged on the lifting assembly and used for driving the air pipe assembly to be close to or far away from the main transformer, and a placing portion arranged on the telescopic assembly and used for placing the air pipe assembly.
9. The heating type main transformer safety deicing device according to claim 8, characterized in that: the support frame includes the guide bar of a plurality of vertical settings, lifting unit locates the first sliding sleeve on the guide bar and is used for being fixed in the retaining member on the guide bar with sliding sleeve including the horizontal pole, the sliding sleeve that are used for bearing telescopic unit, horizontal pole and first sliding sleeve fixed connection.
10. A heating type main transformer safety de-icing arrangement according to claim 9, characterised in that: the sliding sleeve is sleeved on the cross rod and is provided with a second sliding sleeve, and the fixing sleeve is fixedly connected with the second sliding sleeve.
CN201911342866.XA 2019-12-24 2019-12-24 Heating type main transformer safety deicing device Pending CN111112235A (en)

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