阅读说明：本技术 一种油浸式变压器 (Oil-immersed transformer ) 是由 李磊 于 2021-08-14 设计创作，主要内容包括：本发明公开了一种油浸式变压器,包括油箱、箱盖、高压接线端子和低压接线端子；油箱：底端的左右两侧均设有底架,所述箱盖与油箱的顶端相配合,所述箱盖顶端的左右两侧均设有固定槽,所述低压接线端子均匀分布在箱盖顶端的前侧,所述低压接线端子的底端与低压线圈的顶端连接,所述低压线圈位于箱盖的下侧,所述高压接线端子均匀分布在箱盖顶端的后侧,所述高压接线端子的底端与高压线圈的顶端连接,所述油箱的左右两侧均设有散热单元,所述油箱的侧面设有拆装单元,所述油箱前侧面的顶端设有标记单元,所述箱盖的左右两侧均设有固定组件；该油浸式变压器,方便拆卸,实用性强,便于维修。(The invention discloses an oil-immersed transformer, which comprises an oil tank, a tank cover, a high-voltage wiring terminal and a low-voltage wiring terminal, wherein the tank cover is arranged on the oil tank; an oil tank: the left side and the right side of the bottom end of the oil tank are respectively provided with a bottom frame, the tank cover is matched with the top end of the oil tank, the left side and the right side of the top end of the tank cover are respectively provided with a fixing groove, the low-voltage wiring terminals are uniformly distributed on the front side of the top end of the tank cover, the bottom ends of the low-voltage wiring terminals are connected with the top end of the low-voltage coil, the low-voltage coil is positioned on the lower side of the tank cover, the high-voltage wiring terminals are uniformly distributed on the rear side of the top end of the tank cover, the bottom ends of the high-voltage wiring terminals are connected with the top end of the high-voltage coil, the left side and the right side of the oil tank are respectively provided with a heat dissipation unit, the side surface of the oil tank is provided with a dismounting unit, the top end of the front side surface of the oil tank is provided with a marking unit, and the left side and the right side of the tank cover are respectively provided with a fixing assembly; this oil-immersed transformer, convenient dismantlement, the practicality is strong, the maintenance of being convenient for.)

1. An oil-immersed transformer, its characterized in that: comprises an oil tank (1), a tank cover (6), a high-voltage wiring terminal (8) and a low-voltage wiring terminal (9);

oil tank (1): the left side and the right side of the bottom end are both provided with a bottom frame (7), the box cover (6) is matched with the top end of the oil tank (1), the left side and the right side of the top end of the box cover (6) are respectively provided with a fixed groove, the low-voltage wiring terminals (9) are uniformly distributed on the front side of the top end of the box cover (6), the bottom end of the low-voltage wiring terminal (9) is connected with the top end of the low-voltage coil (10), the low-voltage coil (10) is positioned at the lower side of the box cover (6), the high-voltage wiring terminals (8) are uniformly distributed at the rear side of the top end of the box cover (6), the bottom end of the high-voltage wiring terminal (8) is connected with the top end of the high-voltage coil (11), the left side and the right side of the oil tank (1) are respectively provided with a heat dissipation unit (2), the side surface of the oil tank (1) is provided with a dismounting unit (3), the top end of the front side surface of the oil tank (1) is provided with a marking unit (4), and the left side and the right side of the tank cover (6) are provided with fixing components (5);

wherein: still include controller (19), the right-hand member at oil tank (1) leading flank is installed in controller (19), the output of controller (19) is connected to the input electricity of high voltage binding post (8) and low voltage binding post (9), the output of external power source is connected to the input electricity of controller (19).

2. An oil filled transformer according to claim 1, characterized in that: radiating unit (2) contain spring beam (21), depression bar (22), fin (23), heat conduction piece (24) and mount pad (25), the bottom in oil tank (1) one side is established in mount pad (25), the inside of mount pad (25) is pegged graft mutually with the bottom of fin (23), the medial surface of fin (23) is equipped with heat conduction piece (24), spring beam (21) have two and correspond around and establish the top in oil tank (1) one side, the outside end of two spring beams (21) is connected with the both ends of depression bar (22) medial surface respectively.

3. An oil filled transformer according to claim 1, characterized in that: dismouting unit (3) contain telescopic link (31), dead lever (32), screw rod (33), connecting plate (34) and runner (35), connecting plate (34) have two and establish the one end at oil tank (1) front and back both sides face respectively, the screw and screw rod (33) threaded connection at connecting plate (34) middle part of front side, the bottom of screw rod (33) is equipped with runner (35), and the top of connecting plate (34) of rear side is equipped with telescopic link (31), the top of telescopic link (31) is connected with the rear side of dead lever (32) bottom, the front side of dead lever (32) bottom rotates with the top of screw rod (33) to be connected.

4. An oil filled transformer according to claim 1, characterized in that: the marking unit (4) comprises a placing seat (41), a transparent window (42), a marking plate (43), a fixed shell (44) and a clamping block (45), the placing seat (41) is arranged at the top end of the front side face of the oil tank (1), the front side face of the placing seat (41) is provided with the transparent window (42), the marking plate (43) is connected in a sliding groove in the left side face of the placing seat (41) in a sliding mode, and the clamping block (45) which corresponds to and is matched with the clamping groove in the side face of the placing seat (41) is arranged on the upper side and the lower side of the inner portion of the fixed shell (44).

5. An oil filled transformer according to claim 1, characterized in that: fixed subassembly (5) contain bolt (51), installation shell (52) and fixed orifices (53), establish the one side at case lid (6) in installation shell (52), all rotate in two shaft holes in installation shell (52) outside and have bolt (51), fixed orifices (53) have two and correspond the top of establishing oil tank (1) side around and.

6. An oil filled transformer according to claim 1, characterized in that: the box cover is characterized by further comprising four hanging rings (12), wherein the four hanging rings (12) are respectively arranged at four corners of the top end of the box cover (6).

7. An oil filled transformer according to claim 1, characterized in that: still include protecting crust (13) and observation window (14), the bottom at oil tank (1) leading flank is established in observation window (14), the top of observation window (14) articulates there is protecting crust (13).

8. An oil filled transformer according to claim 1, characterized in that: still include rubber seal (15) and seal groove (16), establish the top at oil tank (1) in seal groove (16), the internally mounted of seal groove (16) has sealing washer (15).

9. An oil filled transformer according to claim 1, characterized in that: still include light (17), light (17) have two and establish respectively on the top of the inside left and right sides face of oil tank (1), the output of input electric connection controller (19) of light (17).

10. An oil filled transformer according to claim 1, characterized in that: the liquid level control device is characterized by further comprising a liquid level sensor (18), wherein the liquid level sensor (18) is installed on the left side of the top end of the box cover (6), and the output end of the liquid level sensor (18) is electrically connected with the input end of the controller (19).

Technical Field

The invention relates to the technical field of oil-immersed transformers, in particular to an oil-immersed transformer.

Background

Distribution transformers are one of the important devices in industrial and mining enterprises and civil building power supply and distribution systems, and reduce the voltage of a 10 (6) kV or 35kV network to 230/400V bus voltage used by users. The product is suitable for alternating current 50 (60) Hz, three-phase maximum rated capacity 2500kVA (single-phase maximum rated capacity 833kVA, a single-phase transformer is not generally recommended), the product can be used indoors or outdoors, the heat dissipation effect of the existing oil-immersed transformer is poor, meanwhile, the heat dissipation fins are not convenient to detach, and the general oil-immersed transformer is generally connected through bolts, so that the general oil-immersed transformer is not convenient to detach, and meanwhile, subsequent maintenance and use can be influenced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides an oil-immersed transformer which is convenient to disassemble, strong in practicability and convenient to maintain, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer comprises an oil tank, a tank cover, a high-voltage wiring terminal and a low-voltage wiring terminal;

an oil tank: the left side and the right side of the bottom end of the oil tank are respectively provided with a bottom frame, the tank cover is matched with the top end of the oil tank, the left side and the right side of the top end of the tank cover are respectively provided with a fixing groove, the low-voltage wiring terminals are uniformly distributed on the front side of the top end of the tank cover, the bottom ends of the low-voltage wiring terminals are connected with the top end of the low-voltage coil, the low-voltage coil is positioned on the lower side of the tank cover, the high-voltage wiring terminals are uniformly distributed on the rear side of the top end of the tank cover, the bottom ends of the high-voltage wiring terminals are connected with the top end of the high-voltage coil, the left side and the right side of the oil tank are respectively provided with a heat dissipation unit, the side surface of the oil tank is provided with a dismounting unit, the top end of the front side surface of the oil tank is provided with a marking unit, and the left side and the right side of the tank cover are respectively provided with a fixing assembly;

wherein: the high-voltage wiring terminal and the low-voltage wiring terminal are electrically connected with the output end of the controller, and the input end of the controller is electrically connected with the output end of an external power supply.

The high-voltage wiring terminal and the low-voltage wiring terminal are respectively connected with an external power supply, current generates alternating current through the high-voltage coil and the low-voltage coil which are connected with the bottom ends of the high-voltage wiring terminal and the low-voltage wiring terminal respectively, and the function of voltage transformation can be achieved when the number of turns of the high-voltage coil and the number of turns of the low-voltage coil are different.

Further, the heat dissipation unit contains spring beam, depression bar, fin, heat conduction piece and mount pad, the bottom in oil tank one side is established to the mount pad, the inside of mount pad is pegged graft mutually with the bottom of fin, the medial surface of fin is equipped with the heat conduction piece, the spring beam has two and front and back correspondence to establish the top in oil tank one side, and the outside end of two spring beams is connected with the both ends of depression bar medial surface respectively, inserts the inside of mount pad with the fin, loosens the spring beam and makes the depression bar compress tightly the fin, and the inside heat of oil tank then conducts the fin through the heat conduction piece and carries out effectual heat dissipation.

Further, the dismouting unit contains telescopic link, dead lever, screw rod, connecting plate and runner, the connecting plate has two and establishes the one end at the both sides face around the oil tank respectively, the screw and the screw rod threaded connection at the connecting plate middle part of front side, the bottom of screw rod is equipped with the runner, and the top of the connecting plate of rear side is equipped with the telescopic link, the top of telescopic link is connected with the rear side of dead lever bottom, the front side of dead lever bottom is rotated with the top of screw rod and is connected, rotates the runner and drives the screw rod rotatory to it reciprocates to drive the dead lever, so both conveniently fixes the case lid, also can dismantle the case lid simultaneously, and then maintains and clear up the inside of oil tank.

Further, the mark unit contains places seat, transparent window, marking plate, set casing and fixture block, place the seat and establish the top at the oil tank leading flank, the leading flank of placing the seat is equipped with the transparent window, sliding connection has the marking plate in the spout of placing the seat left surface, the inside upper and lower both sides of set casing all are equipped with and correspond the complex fixture block with the draw-in groove of placing the seat side, and the marking plate can take notes the use and the maintenance condition of device to the maintenance personal of being convenient for looks over, also can mark the information of device simultaneously.

Further, fixed subassembly contains bolt, installation shell and fixed orifices, the installation shell is established in one side of case lid, two shaft holes in the installation shell outside all rotate and have the bolt, the fixed orifices has two and corresponds the top of establishing in the oil tank side around and, with the inside at the fixed orifices to increase the fastness that the case lid is fixed.

Further, still include the link, the link has four and establishes the four corners on case lid top respectively, can conveniently provide the fulcrum of hanging for the loop wheel machine to be convenient for carry the case lid.

Further, still include protecting crust and observation window, the bottom at the oil tank leading flank is established to the observation window, the top of observation window articulates there is the protecting crust, can make things convenient for personnel to look over the inside of oil tank to judge the change time of hydraulic oil, the protecting crust also can play the effect of protection to the observation window simultaneously.

Further, still include rubber seal and seal groove, the top at the oil tank is established to the seal groove, the internally mounted of seal groove has the sealing washer, can reduce the gap between oil tank and the case lid to prevent that hydraulic oil from spilling over in the gap.

Further, still include the light, the light has two and establishes respectively on the top of the inside left and right sides face of oil tank, the output of input electric connection controller of light can provide the illumination to the inside of oil tank to make things convenient for personnel to look over in the oil tank.

Further, still include level sensor, level sensor installs the left side on case lid top, level sensor's output electricity connection director's input can detect the surplus of the inside hydraulic oil of oil tank to the convenience adds hydraulic oil.

Compared with the prior art, the invention has the beneficial effects that: this oil-immersed transformer has following benefit:

1. the high-voltage wiring terminal and the low-voltage wiring terminal are respectively connected with an external power supply, current generates alternating current through a high-voltage coil and a low-voltage coil which are respectively connected with the bottom ends of the high-voltage wiring terminal and the low-voltage wiring terminal, and the function of voltage transformation can be achieved when the number of turns of windings of the high-voltage coil and the low-voltage coil is different;

2. the cooling fin is inserted into the mounting seat, the spring rod is loosened to enable the compression rod to compress the cooling fin, heat in the oil tank is conducted to the cooling fin through the heat conducting block to be effectively dissipated, and the hanging ring is arranged to provide a hanging fulcrum for the crane conveniently, so that the box cover is convenient to carry;

3. the rotating wheel is rotated to drive the screw rod to rotate, so that the fixing rod is driven to move up and down, the tank cover is convenient to fix, and meanwhile, the tank cover can be disassembled, and the inside of the oil tank is maintained and cleaned;

4. the marking plate can record the use and the maintenance condition of the device, so that maintenance personnel can check conveniently, information of the device can be marked simultaneously, the bolt is fixed in the fixing hole, and the fixing firmness of the box cover is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a heat dissipation unit according to the present invention;

FIG. 3 is a schematic view of a fixing assembly according to the present invention.

In the figure: the device comprises an oil tank 1, a heat dissipation unit 2, a spring rod 21, a pressure rod 22, a heat dissipation sheet 23, a heat conduction block 24, a mounting seat 25, a disassembly and assembly unit 3, a telescopic rod 31, a fixed rod 32, a screw rod 33, a connecting plate 34, a rotating wheel 35, a marking unit 4, a placing seat 41, a transparent window 42, a marking plate 43, a fixing shell 44, a clamping block 45, a fixing component 5, a bolt 51, a mounting shell 52, a fixing hole 53, a box cover 6, a bottom frame 7, a high-voltage wiring terminal 8, a low-voltage wiring terminal 9, a low-voltage coil 10, a high-voltage coil 11, a hanging ring 12, a protective shell 13, an observation window 14, a rubber sealing ring 15, a sealing groove 16, a lighting lamp 17, a liquid level sensor 18 and a controller 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: an oil-immersed transformer comprises an oil tank 1, a tank cover 6, a high-voltage wiring terminal 8 and a low-voltage wiring terminal 9;

an oil tank 1: the left side and the right side of the bottom end are both provided with a chassis 7, a box cover 6 is matched with the top end of an oil tank 1, the left side and the right side of the top end of the box cover 6 are both provided with a fixing groove, low-voltage wiring terminals 9 are uniformly distributed on the front side of the top end of the box cover 6, the bottom end of the low-voltage wiring terminals 9 is connected with the top end of a low-voltage coil 10, the low-voltage coil 10 is positioned on the lower side of the box cover 6, high-voltage wiring terminals 8 are uniformly distributed on the rear side of the top end of the box cover 6, the bottom end of the high-voltage wiring terminals 8 is connected with the top end of a high-voltage coil 11, the high-voltage wiring terminals 8 and the low-voltage wiring terminals 9 are respectively connected with an external power supply, current generates alternating current through the high-voltage coil 11 and the low-voltage coil 10 which are respectively connected with the bottom ends of the high-voltage wiring terminals 8 and the low-voltage wiring terminals 9, the function of voltage transformation can be achieved when the number of winding turns of the high-voltage coil 11 and the low-voltage coil 10 are different, the left side and the right side of the oil tank 1 are both provided with heat dissipation units 2, the heat dissipation unit 2 comprises spring rods 21, pressure rods 22, heat dissipation fins 23, heat conduction blocks 24 and a mounting seat 25, the mounting seat 25 is arranged at the bottom end of one side of the oil tank 1, the interior of the mounting seat 25 is spliced with the bottom end of the heat dissipation fins 23, the inner side surface of each heat dissipation fin 23 is provided with the heat conduction block 24, the spring rods 21 are provided with two front ends and back ends which are correspondingly arranged at the top end of one side of the oil tank 1, the outer side ends of the two spring rods 21 are respectively connected with two ends of the inner side surface of the pressure rod 22, the heat dissipation fins 23 are inserted into the mounting seat 25, the spring rods 21 are loosened to enable the pressure rods 22 to compress the heat dissipation fins 23, heat in the oil tank 1 is conducted to the heat dissipation fins 23 through the heat conduction blocks 24 to effectively dissipate heat, the side surface of the oil tank 1 is provided with a disassembly and assembly unit 3, the disassembly and assembly unit 3 comprises telescopic rods 31, fixing rods 32, screw rods 33, a connecting plate 34 and a rotating wheel 35, the connecting plate 34 is provided with two ends which are respectively arranged at the front ends and back sides of the oil tank 1, the screw hole in the middle of the connecting plate 34 at the front side is in threaded connection with the screw rod 33, the bottom end of the screw rod 33 is provided with a rotating wheel 35, the top end of the connecting plate 34 at the rear side is provided with an expansion rod 31, the top end of the expansion rod 31 is connected with the rear side at the bottom end of the fixed rod 32, the front side at the bottom end of the fixed rod 32 is rotatably connected with the top end of the screw rod 33, the rotating wheel 35 is rotated to drive the screw rod 33 to rotate, so as to drive the fixed rod 32 to move up and down, thus not only being convenient for fixing the tank cover 6, but also being capable of disassembling the tank cover 6, and further maintaining and cleaning the inside of the oil tank 1, the top end of the front side of the oil tank 1 is provided with a marking unit 4, the marking unit 4 comprises a placing seat 41, a transparent window 42, a marking plate 43, a fixed shell 44 and a fixture block 45, the placing seat 41 is arranged at the top end of the front side of the oil tank 1, the front side of the placing seat 41 is provided with a transparent window 42, and the marking plate 43 is slidably connected in a chute at the left side of the placing seat 41, the upper side and the lower side of the inside of the fixed shell 44 are respectively provided with a clamping block 45 correspondingly matched with a clamping groove on the side surface of the placing seat 41, the marking plate 43 can record the use and maintenance conditions of the device, so that maintenance personnel can conveniently check the device, meanwhile, the information of the device can also be marked, the left side and the right side of the box cover 6 are respectively provided with a fixed component 5, each fixed component 5 comprises a bolt 51, a mounting shell 52 and a fixed hole 53, the mounting shell 52 is arranged on one side of the box cover 6, the bolts 51 are respectively rotated in two shaft holes on the outer side of the mounting shell 52, the fixed holes 53 are two and are correspondingly arranged at the top ends of the side surface of the oil tank 1 in the front-back direction, the bolts 51 are fixed in the fixed holes 53, and therefore the fixing firmness of the box cover 6 is improved;

wherein: still include controller 19, controller 19 installs the right-hand member at 1 leading flank of oil tank, and high voltage binding post 8 and low voltage binding post 9's input electricity connection controller 19's output, and external power source's output is connected to controller 19's input electricity, still includes link 12, and link 12 has four and establishes respectively in the four corners on 6 tops of case lid, can conveniently provide the fulcrum of hanging for the loop wheel machine to be convenient for carry the case lid.

Further, the oil tank protection device further comprises a protective shell 13 and an observation window 14, wherein the observation window 14 is arranged at the bottom end of the front side face of the oil tank 1, the protective shell 13 is hinged to the top end of the observation window 14, so that personnel can conveniently check the inside of the oil tank 1, and therefore the replacement time of hydraulic oil can be judged, meanwhile, the protective shell 13 can also play a role in protecting the observation window 14, the oil tank protection device further comprises rubber sealing rings 15 and sealing grooves 16, the sealing grooves 16 are arranged at the top end of the oil tank 1, the sealing rings 15 are arranged inside the sealing grooves 16, so that gaps between the oil tank 1 and the tank cover 6 can be reduced, and therefore hydraulic oil is prevented from overflowing from the gaps, the oil tank protection device further comprises illuminating lamps 17, the two illuminating lamps 17 are respectively arranged at the top ends of the left side face and the right side face inside the oil tank 1, the input ends of the illuminating lamps 17 are electrically connected with the output end of the controller 19, so that illumination can be provided for the inside of the oil tank 1, so that personnel can conveniently check the inside of the oil tank 1, still include level sensor 18, level sensor 18 installs the left side on case lid 6 top, and level sensor 18's output electricity connection controller 19's input can detect the surplus of the inside hydraulic oil of oil tank 1 to the convenience adds hydraulic oil.

The working principle of the oil-immersed transformer provided by the invention is as follows: firstly, the box cover 6 is covered on the top end of the oil tank 1, the rotating wheel 35 is rotated to drive the screw rod 33 to rotate, so that the fixing rod 32 is driven to be clamped into the fixing groove at the top end of the box cover 6, the box cover 6 is compressed and fixed, meanwhile, the box cover 6 is also convenient to disassemble, the interior of the oil tank 1 is further convenient to clean, the high-voltage wiring terminal 8 and the low-voltage wiring terminal 9 are respectively connected with an external power supply, current generates alternating current through the high-voltage coil 11 and the low-voltage coil 10 which are respectively connected with the bottom ends of the high-voltage wiring terminal 8 and the low-voltage wiring terminal 9, when the number of turns of the windings of the high-voltage coil 11 and the low-voltage coil 10 is different, the function of voltage transformation can be achieved, a large amount of heat is generated when the device works, the radiating fins 23 are inserted into the mounting base 25, the spring rod 21 is loosened to enable the pressing rod 22 to compress the radiating fins 23, and the heat in the interior of the oil tank 1 is conducted to the radiating fins 23 through the heat conducting block 24 to effectively radiate heat, when needs maintain the device, use the loop 12 to hang up case lid 6, maintain the device afterwards, use the device and the maintenance condition record the mark plate 43 with the device after the maintenance is accomplished, insert the inside of placing seat 41 with mark plate 43, the maintenance personal of being convenient for looks over like this, also can mark the information of device simultaneously, the bottom of oil tank 1 leading flank is equipped with observation window 14, observation window 14 can make things convenient for personnel to look over the inside of oil tank 1, thereby judge the change time of hydraulic oil, protective housing 13 also can play the effect of protection to observation window 14 simultaneously, level sensor 18 can detect the surplus of the inside hydraulic oil of oil tank 1 simultaneously, thereby conveniently add hydraulic oil.

It should be noted that the controller 19 disclosed in the above embodiments is selected from model S7-200, the lighting lamp 17 can be freely configured according to the actual application, it is suggested to select the lighting lamp with model XQS-XTD-3048, and the liquid level sensor 18 can be selected from model WMY-SFYX. The controller 19 controls the operation of the illumination lamp 17 and the liquid level sensor 18 by a method commonly used in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.