CN209980963U

CN209980963U - Distribution transformer with iron core having iron yoke area larger than core column area

Info

Publication number: CN209980963U
Application number: CN201921346044.4U
Authority: CN
Inventors: 关天育; 关天正; 吕鑫; 龙华祥; 申忠伟; 魏仲达; 赵建影; 杨以法; 周长安
Original assignee: Hebei Tianyu 95 Electric Co Ltd
Current assignee: Hebei Tianyu 95 Electric Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-01-21
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an iron core adopts the distribution transformer that the yoke area is bigger than the stem area, including the main tank, one side fixedly connected with connecting block of main tank, the one end of connecting block can be dismantled and be connected with the heating panel, the upper end fixedly connected with low-voltage bushing, switch and the high-tension bushing of main tank, low-voltage bushing and switch are located one side of high-tension bushing, the upper end of main tank can be dismantled and be connected with oil storage tank and arrester device, the oil storage tank is located one side of arrester device, the front end fixedly connected with fuel gauge of oil storage tank, the middle part fixedly connected with ventilation dehydrating unit of main tank. A distribution transformer that iron core adoption yoke area ratio stem core area is big, be equipped with arrester device and ventilation and dehumidification device, can effectually prevent that the transformer from receiving the thunderbolt to can ventilate the dehumidification to transformer inside, bring better use prospect.

Description

Distribution transformer with iron core having iron yoke area larger than core column area

Technical Field

The utility model relates to a distribution transformer technical field specifically is a distribution transformer that iron core adoption yoke area is big than the stem area.

Background

The distribution transformer is a static electric equipment, it is used to change a certain value of AC voltage into another or several different values of voltage with same frequency, when the primary winding is energized by AC, it can produce alternating magnetic flux, and the alternating magnetic flux can induce AC electromotive force in the secondary winding by means of magnetic conduction action of iron core.

Distribution transformer need carry out lightning protection according to the service environment of difference to play the biggest effect, but general distribution transformer does not carry out effectual lightning-arrest measure, easily leads to the transformer to suffer the thunderbolt and damages.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an iron core adopts the distribution transformer that the yoke area is bigger than the stem area, possesses effectual transformer that prevents and receives the thunderbolt and ventilates dehumidification advantage such as to transformer inside, has solved the long-time steel that uses of transformer corrosion and has suffered the thunderbolt and damage and the inside inconvenient problem of ventilating and dehumidifying of transformer.

(II) technical scheme

For the effectual transformer that prevents that realizes above-mentioned receives the thunderbolt and to the transformer inside purpose that ventilates and dehumidify, the utility model provides a following technical scheme: a distribution transformer with an iron yoke area larger than a core column area is adopted for an iron core, and comprises a main box, wherein a connecting block is fixedly connected to one side of the main box, a heat dissipation plate is detachably connected to one end of the connecting block, a low-voltage sleeve, a switch and a high-voltage sleeve are fixedly connected to the upper end of the main box, the low-voltage sleeve and the switch are positioned on one side of the high-voltage sleeve, an oil storage tank and an arrester device are detachably connected to the upper end of the main box, the oil gauge is fixedly connected to the front end of the oil storage tank, a ventilation and dehumidification device is fixedly connected to the middle of the main box, a valve and an oil drain valve are fixedly connected to the other side of the main box, the valve is positioned on the upper end of the oil drain valve, an oil purifier is fixedly connected to one side of the valve, a base is fixedly connected to the lower end, and the inner wall of the winding group is fixedly connected with an iron core.

Preferably, the arrester device includes mounting bracket, set screw, arrester main part and drainage stick, the lower extreme of mounting bracket can be dismantled with the upper end of main tank and be connected, the middle part of mounting bracket can be dismantled with set screw's outer wall and be connected, the upper end of mounting bracket and the lower extreme fixed connection of arrester main part, the upper end of arrester main part and the lower extreme fixed connection of drainage stick.

Preferably, ventilation dehydrating unit includes casing, connecting rod, motor, pivot and fan piece, the inner wall of casing and the one end fixed connection of connecting rod, the other end of connecting rod and the outer wall fixed connection of motor, the front end of motor rotates with the rear end of pivot to be connected, the outer wall of pivot can be dismantled with one side of fan piece and be connected.

Preferably, the middle part of mounting bracket and set screw's outer wall are equipped with the screw groove, the upper end of mounting bracket and the lower extreme of arrester main part are equipped with the welding piece.

Preferably, the inner wall of the shell and the outer wall of the motor are provided with dustproof nets, and the inner wall of the shell and one end of the connecting rod are provided with countersunk machine thread screws.

Preferably, cross-recessed pan head machine threading screws are arranged at the lower end of the main box and the upper end of the base, and clamping blocks are arranged at the upper end of the main box and the upper end of the heat dissipation plate.

(III) advantageous effects

Compared with the prior art, the utility model provides an iron core adopts the distribution transformer that the yoke area is big than the stem area, possesses following beneficial effect:

1. this distribution transformer that iron core adoption yoke area ratio stem area is big, before the use, carry out the apolegamy according to actual conditions to the specification of arrester device earlier, the arrester device is for exchanging gapless metallic oxide arrester, avoids influencing the effect of taking shelter from the thunder because of external factor, then, passes through set screw with the mounting bracket and fixes the upper end at the main tank, and when thunderstorm weather, the drainage stick is poured the thunder and lightning into the arrester main part and is handled, the security that the improvement transformer that is showing used.

2. This kind of iron core adopts the distribution transformer that yoke area is bigger than the stem area, fixes the motor rear end through four group's connecting rods earlier, and then, the axle core of motor front end drives the pivot and rotates, and then, the pivot drives four group's fan blades and rotates, inhales wind-force into the transformer inner wall, effectually ventilates the dehumidification to transformer inside.

Drawings

Fig. 1 is a schematic structural diagram of a distribution transformer with an iron core having a larger yoke area than a core column area according to the present invention;

fig. 2 is a schematic structural diagram of a distribution transformer arrester device with an iron core having a larger yoke area than a core column area according to the present invention;

fig. 3 is the utility model relates to a distribution transformer ventilation dehydrating unit's that iron core adoption yoke area is bigger than stem area schematic structure diagram.

In the figure: 1. a main box; 2. a heat dissipation plate; 3. connecting blocks; 4. a low-pressure bushing; 5. an oil gauge; 6. an oil storage tank; 7. a switch; 8. a high voltage bushing; 9. a lightning arrester device; 10. a ventilation and dehumidification device; 11. an iron core; 12. winding; 13. an oil purifier; 14. a shutter; 15. an oil drain valve; 16. a base; 901. a mounting frame; 902. a set screw; 903. a lightning arrester main body; 904. a drainage rod; 101. a housing; 102. a connecting rod; 103. a motor; 104. a rotating shaft; 105. and (6) fanning the sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a distribution transformer with an iron core having an area of an iron yoke larger than that of a core column includes a main box 1, a connecting block 3 fixedly connected to one side of the main box 1, a heat dissipating plate 2 detachably connected to one end of the connecting block 3, a low voltage bushing 4, a switch 7 and a high voltage bushing 8 fixedly connected to an upper end of the main box 1, the low voltage bushing 4 and the switch 7 located at one side of the high voltage bushing 8, an oil storage tank 6 and a lightning arrester 9 detachably connected to an upper end of the main box 1, the oil storage tank 6 located at one side of the lightning arrester 9, an oil gauge 5 fixedly connected to a front end of the oil storage tank 6, a ventilation and dehumidification device 10 fixedly connected to a middle portion of the main box 1, a valve 14 and an oil drain valve 15 fixedly connected to another side of the main box 1, the valve 14 located at an upper end of the oil drain valve 15, an oil purifier 13, the inner surface of the lower end of the main box 1 is fixedly connected with a winding group 12, and the inner wall of the winding group 12 is fixedly connected with an iron core 11.

Further, the arrester device 9 comprises a mounting frame 901, a fixing screw 902, an arrester main body 903 and a drainage rod 904, wherein the lower end of the mounting frame 901 is detachably connected with the upper end of the main box 1, the middle part of the mounting frame 901 is detachably connected with the outer wall of the fixing screw 902, the upper end of the mounting frame 901 is fixedly connected with the lower end of the arrester main body 903, the upper end of the arrester main body 903 is fixedly connected with the lower end of the drainage rod 904, in actual operation, the specification of the lightning arrester device 9 is selected according to actual conditions, the lightning arrester device 9 is an alternating current gapless metal oxide lightning arrester, the lightning arresting effect is prevented from being influenced by external factors, then, the mounting frame 901 is fixed at the upper end of the main box 1 through the fixing screw 902, in thunderstorm weather, the lightning is poured into the arrester main body 903 by the drainage rod 904 for processing, and the use safety of the transformer is remarkably improved.

Further, the ventilation and dehumidification device 10 includes a housing 101, a connecting rod 102, a motor 103, a rotating shaft 104 and fan blades 105, an inner wall of the housing 101 is fixedly connected to one end of the connecting rod 102, the other end of the connecting rod 102 is fixedly connected to an outer wall of the motor 103, a front end of the motor 103 is rotatably connected to a rear end of the rotating shaft 104, and an outer wall of the rotating shaft 104 is detachably connected to one side of the fan blades 105.

The working principle is as follows: firstly, oil for a transformer is poured into an oil storage tank 6, the change of the oil quantity can be seen at the front end of an oil quantity meter 5, then the upper end of a main box 1 is respectively connected with external equipment through a low-voltage sleeve 4 and a high-voltage sleeve 8, then, an arrester device 9 is installed above the main box 1, an installation frame 901 is fixed at the upper end of the main box 1 through a fixing screw 902, in thunderstorm weather, lightning is poured into an arrester main body 903 by a drainage rod 904 for processing, then, when the oil is needed to be replaced, an oil drain valve 15 can be opened for replacing the oil, a heat dissipation plate 2 is fixedly connected to one side of the main box 1 for dissipating heat inside the transformer, finally, a ventilation and dehumidification device 10 is installed at the front end of the main box 1, the rear end of a motor 103 is fixed through four groups of connecting rods 102, then, a shaft core at the front end of the motor 103 drives a rotating shaft 104 to rotate, then, the inside ventilation dehumidification of effectual transformer.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a distribution transformer that iron core adoption yoke area ratio stem area is big, includes main tank (1), its characterized in that: the oil-gas separator is characterized in that one side of the main box (1) is fixedly connected with a connecting block (3), one end of the connecting block (3) can be detachably connected with a heat radiation plate (2), the upper end of the main box (1) is fixedly connected with a low-voltage sleeve (4), a switch (7) and a high-voltage sleeve (8), the low-voltage sleeve (4) and the switch (7) are located on one side of the high-voltage sleeve (8), the upper end of the main box (1) can be detachably connected with an oil storage tank (6) and an arrester device (9), the oil storage tank (6) is located on one side of the arrester device (9), the front end of the oil storage tank (6) is fixedly connected with an oil meter (5), the middle part of the main box (1) is fixedly connected with a ventilation and dehumidification device (10), the other side of the main box (1) is fixedly connected with a valve (14) and an oil drain valve, the oil purifier (13) is fixedly connected to one side of the valve (14), the base (16) is fixedly connected to the lower end of the main box (1), the winding set (12) is fixedly connected to the inner surface of the lower end of the main box (1), and the iron core (11) is fixedly connected to the inner wall of the winding set (12).

2. The distribution transformer of claim 1, wherein the core is a distribution transformer having a yoke area larger than a leg area, and further comprising: the lightning arrester device (9) comprises a mounting frame (901), a fixing screw (902), a lightning arrester main body (903) and a drainage rod (904), wherein the lower end of the mounting frame (901) is detachably connected with the upper end of the main box (1), the middle of the mounting frame (901) is detachably connected with the outer wall of the fixing screw (902), the upper end of the mounting frame (901) is fixedly connected with the lower end of the lightning arrester main body (903), and the upper end of the lightning arrester main body (903) is fixedly connected with the lower end of the drainage rod (904).

3. The distribution transformer of claim 1, wherein the core is a distribution transformer having a yoke area larger than a leg area, and further comprising: ventilation dehydrating unit (10) include casing (101), connecting rod (102), motor (103), pivot (104) and fan piece (105), the inner wall of casing (101) and the one end fixed connection of connecting rod (102), the other end of connecting rod (102) and the outer wall fixed connection of motor (103), the front end of motor (103) rotates with the rear end of pivot (104) to be connected, the outer wall of pivot (104) can be dismantled with one side of fan piece (105) and be connected.

4. The distribution transformer of claim 2, wherein the core is a distribution transformer having a yoke area larger than a leg area, and further comprising: the middle of the mounting rack (901) and the outer wall of the fixing screw (902) are provided with screw grooves, and the upper end of the mounting rack (901) and the lower end of the lightning arrester main body (903) are provided with welding blocks.

5. A distribution transformer having a core with a yoke area larger than a leg area, as claimed in claim 3, wherein: the inner wall of casing (101) and the outer wall of motor (103) are equipped with the dust screen, the inner wall of casing (101) and the one end of connecting rod (102) are equipped with countersunk machine screw thread screw.

6. The distribution transformer of claim 1, wherein the core is a distribution transformer having a yoke area larger than a leg area, and further comprising: the lower end of the main box (1) and the upper end of the base (16) are provided with cross-recessed pan head machine screw threads, and the upper end of the main box (1) and the upper end of the heat dissipation plate (2) are provided with clamping blocks.