CN209675090U - Defend the protective device that pasta reduces in oil tank of transformer - Google Patents

Abstract

The utility model discloses the protective devices that pasta in defence oil tank of transformer reduces, including transformer case, transformer case top two sides are mounted on support plate, conservator is installed between two support plates, the conservator center bottom insertion is equipped with connected pipes, the connected pipes bottom end is connected with Buchholz relay, the Buchholz relay back side is correspondingly connected at oil pipe bottom position and is equipped with connecting column, it is opened up in the middle part of the connection outer surface of column fluted, the utility model is scientific and reasonable for structure, it is safe and convenient to use, pass through shield, tempered glass, through-hole, fixed block and bolt, Buchholz relay can be protected, it prevents extraneous dust and water stain enters inside Buchholz relay, Buchholz relay is set to operate normally, and then increase the service life of Buchholz relay, when transformer oil surface reduces, By Buchholz relay come the phenomenon that protecting transformer, transformer is prevented to be damaged.

Description

Defend the protective device that pasta reduces in oil tank of transformer

Technical field

The utility model relates to transformer technology field, the protection dress that specially pasta reduces in defence oil tank of transformer It sets.

Background technique

Oil-immersed type transformer is the novel high-performance transformer of a kind of more reasonable structure, more excellent performance, the guarantor that pasta reduces What protection unit was protected using Buchholz relay, Buchholz relay is a kind of protective device used in transformer, utilizes change Depressor internal fault and so that oil decomposition is generated gas or when causing oil flow surge, act the contact of gas relay, connection refers to Fixed control loop, and the alarm of sending signal or starting protection element cut off transformer automatically in time；

But the protective device that existing transformer oil surface reduces, transformer is due to being mounted on outdoor, and transformer oil surface Reduced protective device does not have water-tight device, and then extraneous dust and the water stain transformer oil surface that enters is caused to reduce protection dress The inside set, the protective device for causing transformer oil surface to reduce can not normal use.

Summary of the invention

The utility model provides the protective device that pasta reduces in defence oil tank of transformer, can effectively solve above-mentioned background The protective device that existing transformer oil surface reduces is proposed in technology, transformer is due to being mounted on outdoor, and transformer oil surface drops Low protective device does not have water-tight device, and then extraneous dust and the water stain transformer oil surface that enters is caused to reduce protective device Inside, cause transformer oil surface reduce protective device can not normal use the problem of.

To achieve the above object, the utility model provides the following technical solutions: pasta reduces in defence oil tank of transformer Protective device, including transformer case, transformer case top two sides are mounted on support plate, two support plates it Between conservator is installed, the conservator center bottom insertion is equipped with connected pipes, the connected pipes bottom end be connected with gas after Electric appliance, the Buchholz relay back side, which is correspondingly connected at oil pipe bottom position, is equipped with connecting column, in the connection outer surface of column Portion opens up fluted, is provided with circlip in the middle part of the fluted external surface, the connection top end is connected with spacing head；

Buchholz relay both ends edge is hinged with shield, and two positive Middle faces of shield are embedded in installation There is tempered glass, two described shield one end equidistantly offer through-hole, and two shield front edge are welded with Fixed block.

Preferably, it is connected by hinge between the Buchholz relay and shield, the quantity of the shield is arranged altogether It is two.

Preferably, bolt, two fixed blocks are removably connected with by screw thread engagement in the middle part of the fixed block inner wall Between be bolted.

Preferably, the material of the connected pipes is rubber, and the connected pipes outer surface is socketed with protective jacket, described watt This relay is connected by connecting tube with fuel tank.

The shield top middle portion is welded with drawing plate, and drawing plate bottom end two sides are mounted on partial pressure bar, and two Cross bar is installed, cross bar bottom end two sides, which are embedded in, is equipped with vertical bar, at the top and bottom of the vertical bar between the partial pressure bar Fixing bolt is removably connected with by screw thread engagement.

Preferably, vertical bar bottom end edge is bonded with improved mat.

Compared with prior art, the utility model has the beneficial effects that the utility model is scientific and reasonable for structure, secure side is used Just:

1, by circlip, connecting column, groove, spacing head, connected pipes and Buchholz relay, can make connected pipes and watt What is connected between this relay is more stable, and preventing the junction of Buchholz relay and connected pipes, there is a phenomenon where oil leaks, and By circlip, the connection difficulty of Buchholz relay and connected pipes can reduce, this is easy to operate.

2, by shield, tempered glass, through-hole, fixed block and bolt, Buchholz relay can be protected, prevents the external world Dust and it is water stain enter inside Buchholz relay, so that Buchholz relay is operated normally, and then increase Buchholz relay Service life, when transformer oil surface reduce when, transformer is protected by Buchholz relay, transformer is prevented to be damaged Phenomenon.

3, by drawing plate, cross bar, vertical bar, fixing bolt and partial pressure bar, can be convenient for outside Buchholz relay and transformer It is installed between shell, reduces the installation difficulty of Buchholz relay, and cross bar and vertical bar increase Buchholz relay and transformer Contact area between shell, and then make to install between Buchholz relay and transformer case more stable.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.

In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the mounting structure schematic diagram of the utility model connecting tube；

Fig. 3 is the mounting structure schematic diagram of the utility model fixed block；

Fig. 4 is the mounting structure schematic diagram of the utility model connecting column；

Figure label: 1, transformer case；2, support plate；3, conservator；4, Buchholz relay；5, shield；6, tempering glass Glass；7, connected pipes；8, bolt；9, drawing plate；10, cross bar；11, vertical bar；12, fixing bolt；13, through-hole；14, bar is divided； 15, circlip；16, connecting column；17, groove；18, spacing head；19, hinge；20, fixed block；21, fuel tank；22, connecting tube.

Specific embodiment

It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment: as shown in Figs 1-4, the utility model provides a kind of technical solution, defends pasta drop in oil tank of transformer Low protective device, including transformer case 1,1 top two sides of transformer case are mounted on support plate 2, two support plates 2 it Between conservator 3 is installed, the insertion of 3 center bottom of conservator is equipped with connected pipes 7, and the material of connected pipes 7 is rubber, connected pipes 7 outer surfaces are socketed with protective jacket, convenient for the installation of connected pipes 7, reduce the installation difficulty of connected pipes 7, Buchholz relay 4 is logical It crosses connecting tube 22 to be connected with fuel tank 21,7 bottom end of connected pipes is connected with Buchholz relay 4, and 4 back side of Buchholz relay is correspondingly connected with Connecting column 16 is installed at 7 bottom position of oil pipe, fluted 17 are opened up in the middle part of 16 outer surface of connecting column, 17 outer surface of groove middle part It is provided with circlip 15,16 top of connecting column is connected with spacing head 18.

4 both ends edge of Buchholz relay is hinged with shield 5, passes through hinge 19 between Buchholz relay 4 and shield 5 Connection, the quantity of shield 5 is set as two altogether, convenient for the rotation of shield 5, and can be to gas relay by shield 5 Device 4 is protected, prevent extraneous dust and it is water stain enter 4 surface of Buchholz relay, two positive Middle faces of shield 5 are embedding Enter to be equipped with tempered glass 6, two 5 one end of shield equidistantly offer through-hole 13, and the positive edge of two shields 5 is welded There is fixed block 20, is engaged in the middle part of 20 inner wall of fixed block by screw thread and be removably connected with bolt 8, passed through between two fixed blocks 20 Bolt 8 connects, and can be fixed between two shields 5, prevents that fixed unstable show occurs between two shields 5 As.

5 top middle portion of shield is welded with drawing plate 9, and 9 bottom end two sides of drawing plate are mounted on partial pressure bar 14, two partial pressures Cross bar 10 is installed, 10 bottom end two sides of cross bar, which are embedded in, is equipped with vertical bar 11, and 11 bottom end edge of vertical bar is bonded with anti-between bar 14 Skidding piece increases the frictional force between vertical bar 11 and transformer case 1, and then it is more stable to install Buchholz relay 4, erects 11 top and bottom of bar are removably connected with fixing bolt 12 by screw thread engagement.

The working principle and process for using of the utility model: the protective device that pasta reduces in defence oil tank of transformer is in reality In the use process of border, shield 5 is rotated, shield 5 is rotated along hinge 19 in 4 outer surface of Buchholz relay, makes two Shield 5 is in coincidence status, then rotating bolt 8, and bolt 8 enters two fixed blocks, 20 middle part, carries out to fixed block 20 It is fixed, and then shield 5 is fixed, Buchholz relay 4 can be protected, extraneous dust is prevented and water stain enters gas Inside relay 4, Buchholz relay 4 is enable to operate normally, and then increases the service life of Buchholz relay 4；

Then drawing plate 9 is pulled, drawing plate 9 is mobile to drive cross bar 10 mobile, and cross bar 10 drives partial pressure bar 14 mobile, partial pressure Bar 14 drives vertical bar 11 mobile, and cross bar 10 and vertical bar 11 is made to touch transformer case 1, then rotates fixing bolt 12, makes to erect It is fixed between bar 11 and transformer case 1, further Buchholz relay 4 is fixed, Buchholz relay 4 can be convenient for It is installed between transformer case 1, reduces the installation difficulty of Buchholz relay 4, and cross bar 10 and the increase watt of vertical bar 11 Contact area between this relay 4 and transformer case 1, and then make to install between Buchholz relay 4 and transformer case 1 It is more stable；

Then connected pipes 7 are put into 16 outside of connecting column, circlip 15 is then put into 7 outside of connected pipes, card Spring 15 enters connected pipes 7 inside groove 17, and prevents the position of circlip 15 there is a phenomenon where mobile by spacing head 18, And then make to connect between connected pipes 7 and Buchholz relay 4 more stable, prevent connected pipes 7 and Buchholz relay 4 from connecting There is a phenomenon where oil leaks at place；

In use, the oil inside conservator 3 is along connection for the protective device that pasta reduces in last oil tank of transformer Oil pipe 7 enters inside Buchholz relay 4, is entered inside fuel tank 21 inside Buchholz relay 4 by connecting tube 22, utilizes Buchholz relay 4 protects transformer.

Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all It is included within the scope of protection of this utility model.

Claims (6)

1. defending the protective device that pasta reduces in oil tank of transformer, including transformer case (1), it is characterised in that: the change Depressor shell (1) top two sides are mounted on support plate (2), are equipped with conservator (3) between two support plates (2), described The insertion of conservator (3) center bottom is equipped with connected pipes (7), and connected pipes (7) bottom end is connected with Buchholz relay (4), Buchholz relay (4) back side is correspondingly connected at oil pipe (7) bottom position and is equipped with connecting column (16), the connecting column (16) It opens up fluted (17), is provided with circlip (15) in the middle part of groove (17) outer surface, the connecting column (16) in the middle part of outer surface Top is connected with spacing head (18)；

Buchholz relay (4) both ends edge is hinged with shield (5), and the positive Middle face of two shields (5) is embedding Enter to be equipped with tempered glass (6), two described shield (5) one end equidistantly offer through-hole (13), two shields (5) positive edge is welded with fixed block (20).

2. the protective device that pasta reduces in defence oil tank of transformer according to claim 1, it is characterised in that: described watt It is connected between this relay (4) and shield (5) by hinge (19), the quantity of the shield (5) is set as two altogether.

3. the protective device that pasta reduces in defence oil tank of transformer according to claim 1, it is characterised in that: described solid Determine to be removably connected with bolt (8) in the middle part of block (20) inner wall by screw thread engagement, passes through spiral shell between two fixed blocks (20) Bolt (8) connection.

4. the protective device that pasta reduces in defence oil tank of transformer according to claim 1, it is characterised in that: the company The material for connecing oil pipe (7) is rubber, and connected pipes (7) outer surface is socketed with protective jacket, and the Buchholz relay (4) passes through Connecting tube (22) is connected with fuel tank (21).

5. the protective device that pasta reduces in defence oil tank of transformer according to claim 1, it is characterised in that: described anti- Shield (5) top middle portion is welded with drawing plate (9), and drawing plate (9) the bottom end two sides are mounted on partial pressure bar (14), two institutes It states and is equipped with cross bar (10) between partial pressure bar (14), cross bar (10) the bottom end two sides, which are embedded in, to be equipped with vertical bar (11), described Fixing bolt (12) are removably connected with by screw thread engagement at the top and bottom of vertical bar (11).

6. the protective device that pasta reduces in defence oil tank of transformer according to claim 5, it is characterised in that: described perpendicular Bar (11) bottom end edge is bonded with improved mat.