CN208954751U - A kind of power transformer - Google Patents
A kind of power transformer Download PDFInfo
- Publication number
- CN208954751U CN208954751U CN201821982450.5U CN201821982450U CN208954751U CN 208954751 U CN208954751 U CN 208954751U CN 201821982450 U CN201821982450 U CN 201821982450U CN 208954751 U CN208954751 U CN 208954751U
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- Prior art keywords
- power transformer
- gas pressure
- pressure relief
- slot
- fan
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Abstract
The utility model discloses a kind of power transformers, belong to power transformer field, a kind of power transformer, including power transformer ontology, power transformer ontology includes shell, digging on the shell of power transformer ontology has fan slot, radiator fan is connected in fan slot, the first strainer is connected at the notch of fan slot, multiple radiating fins are connected on the shell of power transformer ontology, and multiple radiating fins are ordered on the first strainer or near the first strainer, digging on power transformer ontology has gas pressure relief slot, and gas pressure relief slot is located at the upside of fan slot, slide bar is connected in the trough floor of gas pressure relief slot, when temperature and excessively high oil pressure in power transformer may be implemented, pressure release can be carried out to power transformer inside, starting fan carries out quickening heat dissipation simultaneously, it is not easy power transformer for a long time in higher work Make temperature, power transformer is made to be not easy to work due to premature failure at an excessive temperature because for a long time.
Description
Technical field
The utility model relates to power transformer fields, more specifically to a kind of power transformer.
Background technique
Power transformer is a kind of static electrical equipment, is identical for the alternating voltage of a certain numerical value is become frequency
The different voltage of another or several numerical value equipment, be the nowadays basis of long range high voltage power transmission and core equipment.
It is used in novel in the China of Publication No. CN207217237U, discloses a kind of power transformer, including fill
The fuel tank of transformer oil, fuel tank outside are provided with the lightning arrester of radiator and fuel tank top, if the radiator has
Dry cooling fin, the cavity inside each cooling fin are connected to fuel tank respectively, and iron core is equipped in fuel tank, and winding is provided with coil on iron core
Winding, the top of oil-tank are equipped with one-way exhaust valve, and the bottom surface of the inside of fuel tank is inclined-plane, and the lowest part on inclined-plane, which is equipped with, drains the oil
Plug, fuel tank internal are equipped with temperature measuring equipment, are equipped with the warning device connecting with the temperature measuring equipment outside fuel tank.
Above scheme is reasonable in design, can effectively be radiated to transformer oil by radiator, guarantees to become
The reliable and stable work of depressor, in addition, one-way exhaust valve is provided in top of oil-tank, when tank pressure reaches the setting value upper limit
When, timely release avoids tank pressure excessively high, causes danger, however power transformer is arranged mostly outdoors, using fan
External structure can make fan failure rate with higher, need to consume a large amount of manpowers in fan maintenance and repair, and in electricity
In power transformer when the temperature is excessively high, starting fan is controlled by the PLC controller being mounted on temperature sensor, and since PLC is controlled
The environment temperature of device processed itself work is higher, therefore PLC controller itself also easily breaks down because of hot operation, influences fan
Normal starting.
Utility model content
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of power transformers, it can
To realize in power transformer temperature and when excessively high oil pressure, pressure release can be carried out to power transformer inside, while starting wind
Fan carries out quickening heat dissipation, and power transformer is made to be not easy to be not easy power transformer because of length in higher operating temperature for a long time
Time works and premature failure at an excessive temperature.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of power transformer, including power transformer ontology, the power transformer ontology includes shell, the electric power
Digging on the shell of transformer body has fan slot, is connected with radiator fan in the fan slot, at the notch of the fan slot
It is connected with the first strainer, multiple radiating fins are connected on the shell of the power transformer ontology, and multiple radiating fins are equal
It is ordered on the first strainer or near the first strainer, digging on the power transformer ontology has gas pressure relief slot, and pressure release
Slot position is socketed with piston in being connected with slide bar on the upside of fan slot, the trough floor of the gas pressure relief slot on the slide bar, described to let out
It is connected with the stop collar to match with piston at the notch of indent, compression is connected between the piston and the trough floor of gas pressure relief slot
Spring is connected with Ka Guan in the trough floor of the gas pressure relief slot, and digging on the power transformer ontology has a pair of of bleed passage, and two
One end of a bleed passage is connected with gas pressure relief slot, and the other end of two bleed passages is connected with the external world, described
Gas pressure relief slot is connected with the external world by bleed passage, can be right when temperature and excessively high oil pressure in power transformer may be implemented
Carry out pressure release inside power transformer, while starting fan and carrying out quickening heat dissipation, make power transformer be not easy for a long time in compared with
High operating temperature makes power transformer be not easy to work due to premature failure at an excessive temperature because for a long time.
Further, the second filter is respectively connected at the passway of one end that two bleed passages are connected with the external world
Net, the second strainer can filter off biggish sundries in outside air, not easily pass through it when bleed passage does not carry out pressure release and let out
Gas channel enters in gas pressure relief slot, gas pressure relief slot and bleed passage not easy to pollute.
Further, it is equipped with U-shaped channel on two bleed passages, when the external world rains, if there is fraction rain
Water enters in bleed passage, can temporarily be stored in U-shaped channel, be not easy to be directly entered in gas pressure relief slot, be not easy to tie in gas pressure relief slot
It is configured to influence, and when bleed passage starts pressure release, stronger air-flow can accelerate the steaming of rainwater in U-shaped channel in bleed passage
Hair.
Further, the power transformer ontology is equipped with lightning arrester, and lightning arrester is connected by ground wire and ground
It connects, lightning arrester can make power transformer ontology be not easy directly to be struck by lightning, and make power transformer ontology i.e. power transformer
Intrinsic structure is not easy to be damaged because of lightning stroke.
3. beneficial effect
Compared with the prior art, utility model has the advantages that
It (1), can be to power transformer inside when temperature and excessively high oil pressure in power transformer may be implemented in this programme
Pressure release is carried out, while starting fan and carrying out quickening heat dissipation, power transformer is made to be not easy to make in higher operating temperature for a long time
Power transformer is not easy to work due to premature failure at an excessive temperature because for a long time.
The second strainer, the second strainer are respectively connected at the passway of one end that (2) two bleed passages are connected with the external world
Biggish sundries in outside air can be filtered off, so that it is not easily passed through bleed passage entrance when bleed passage does not carry out pressure release and lets out
In indent, gas pressure relief slot and bleed passage not easy to pollute.
It is equipped with U-shaped channel on (3) two bleed passages, when the external world rains, is lost heart if there is fraction rainwater enters
In channel, it can temporarily be stored in U-shaped channel, be not easy to be directly entered in gas pressure relief slot, be not easy to impact structure in gas pressure relief slot,
And when bleed passage starts pressure release, stronger air-flow can accelerate the evaporation of rainwater in U-shaped channel in bleed passage.
(4) power transformer ontology is equipped with lightning arrester, and lightning arrester is connect by ground wire with ground, lightning arrester
Power transformer ontology can be made to be not easy directly to be struck by lightning, make the intrinsic structure of power transformer ontology i.e. power transformer
It is not easy to be damaged because of lightning stroke.
Detailed description of the invention
Fig. 1 is the partial sectional view when radiator fan of the utility model is not opened；
Fig. 2 is the structural schematic diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram in Fig. 1 at B；
Fig. 4 is the partial sectional view when radiator fan of the utility model is opened；
Fig. 5 is the structural schematic diagram in Fig. 4 at C；
Fig. 6 is the side view of the utility model.
Figure label explanation:
1 power transformer ontology, 2 fan slots, 3 radiator fans, 4 first strainers, 5 radiating fins, 6 gas pressure relief slots, 7 limits
Ring, 8 slide bars, 9 pistons, 10 compressed springs, 11 bleed passages, 12U type channel, 13 second strainers, 14 switches, 15 lightning arresters.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh
, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with
It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with
Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used
The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1:
Fig. 1-6, a kind of power transformer, including power transformer ontology 1 are please referred to, power transformer ontology 1 includes outer
Shell, digging on the shell of power transformer ontology 1 has fan slot 2, and fan slot 2 connects in fan slot 2 for installing radiator fan 3
It is connected to radiator fan 3, temperature is excessively high in power transformer ontology 1 makes, and radiator fan 3 will start, and auxiliary heat dissipation fin 5 carries out
It radiates, is connected with the first strainer 4 at the notch of fan slot 2, the first strainer 4 can protect radiator fan 3 to a certain extent, make
Radiator fan 3 is not easily susceptible to foreign object impact, and radiator fan 3 is made to be not susceptible to damage, and connects on the shell of power transformer ontology 1
There are multiple radiating fins 5, and multiple radiating fins 5 are ordered on the first strainer 4 or near the first strainer 4, radiates
Fin 5 can speed up the heat dissipation of power transformer ontology 1, and digging on power transformer ontology 1 has gas pressure relief slot 6, and gas pressure relief slot 6
In the upside of fan slot 2, gas pressure relief slot 6 is connected with slide bar 8, is socketed on slide bar 8 for installing piston 9 in the trough floor of gas pressure relief slot 6
There is piston 9, and be interference fit between gas pressure relief slot 6 and piston 9, when oil pressure is lower in power transformer ontology 1, piston 9 is risen
To sealing function, and when oil pressure is higher in power transformer ontology 1, piston 9 can be compressed to 6 trough floor of gas pressure relief slot, until
To state as illustrated in figures 4-5, gas pressure relief slot 6 and bleed passage 11 can play the role of pressure release at this time, connect at the notch of gas pressure relief slot 6
It is connected to the stop collar 7 to match with piston 9, stop collar 7 is used to limit piston 9, and piston 9 is made to be not easy to skid off out of gas pressure relief slot 6, living
It is connected with compressed spring 10 between plug 9 and the trough floor of gas pressure relief slot 6, the compressed spring 10 in compressive state can make piston 9 begin
There is the trend far from the movement of 6 trough floor of gas pressure relief slot eventually, when not needing to carry out pressure release in power transformer ontology 1, make piston 9
It is readily susceptible to move at stop collar 7, piston 9 is made to play sealing function, card is connected in the trough floor of gas pressure relief slot 6 and closes 14, Ka Guan
14 for controlling the opening and closing of radiator fan 3, and digging on power transformer ontology 1 has a pair of of bleed passage 11, and two are let out
The one end in gas channel 11 is connected with gas pressure relief slot 6, and the other end of two bleed passages 11 is connected with the external world, gas pressure relief slot 6 and outer
Boundary is connected by bleed passage 11, and one end that bleed passage 11 is connected with the external world is ramp-like to dip down, and is not easy rainwater
Into in bleed passage 11, card closes 14 and is electrically connected with radiator fan 3, and card closes 14 and is electrically connected with the power supply, wherein radiator fan 3
The professional of related fields is needed to select suitable model, radiator fan 3 can select FS-2589L12.
The second filter is respectively connected at the passway of one end that two bleed passages 11 are connected with the external world referring to FIG. 1-2,
Net 13, the second strainer 13 can filter off biggish sundries in outside air, be not easy it when bleed passage 11 does not carry out pressure release
Entered in gas pressure relief slot 6 by bleed passage 11, gas pressure relief slot 6 and bleed passage 11 not easy to pollute, is all provided on two bleed passages 11
There is U-shaped channel 12, when the external world rains, if there is fraction rainwater enters in bleed passage 11, can temporarily be stored in U-shaped channel
It in 12, is not easy to be directly entered in gas pressure relief slot 6, is not easy to impact structure in gas pressure relief slot 6, and start pressure release in bleed passage 11
When, stronger air-flow can accelerate the evaporation of rainwater in U-shaped channel 12 in bleed passage 11.
Referring to Fig. 1, power transformer ontology 1 is equipped with lightning arrester 15, and lightning arrester 15 passes through ground wire and ground
Connection, lightning arrester 15 can make power transformer ontology 1 be not easy directly to be struck by lightning, make power transformer ontology 1 i.e. electric power
Structure in transformer body 1 is not easy to be damaged because of lightning stroke.
When 1 temperature of power transformer ontology is lower, the presence of radiating fin 5 can be effectively to power transformer sheet
Body 1 radiates, and in power transformer ontology 1 when the temperature is excessively high, radiating fin 5, which is unable to complete, completes alone power transformer
The heat dissipation work of ontology 1 needs starting radiator fan 3 to carry out auxiliary heat dissipation at this time, meanwhile, excessively high temperature will cause power transformer
Oil pressure is excessively high in device ontology 1, need to carry out pressure release work, at this time in power transformer ontology 1 under the action of oil pressure, piston 9 to
The trough floor of gas pressure relief slot 6 is mobile, until can pass through inside power transformer ontology 1 when piston 9 moves to state shown in Fig. 5
Bleed passage 11 is connected with the external world, can carry out pressure release by bleed passage 11 inside power transformer ontology 1, at this time piston
9, which close 14 with card, contacts, and radiator fan 3 starts, and carries out auxiliary heat dissipation to radiating fin 5, temperature is returned in power transformer ontology 1
When arriving reduced levels again, oil pressure is reduced in power transformer ontology 1, and the compressed spring 10 in compressive state can be by 9 court of piston
The direction of stop collar 7 moves, until arriving state shown in Fig. 2, piston 9 can play sealing function at this time, make outside air not
Easily it is connected by bleed passage 11 and gas pressure relief slot 6 with the external world, card closes 14 and no longer contacts with piston 9, and radiator fan 3 disconnects electricity
Source stops working, and particularly exists, and when carrying out pressure release work in power transformer ontology 1, has presence stronger in bleed passage 11
Outflowing gas stream, outside air not easily passs through bleed passage 11 and gas pressure relief slot 6 and enters in power transformer ontology 1, not easy to pollute
Structure in power transformer ontology 1 can be to power transformer when temperature and excessively high oil pressure in power transformer may be implemented
Inside carries out pressure release, while starting fan and carrying out quickening heat dissipation, is not easy power transformer for a long time in higher work temperature
Degree, makes power transformer be not easy to work due to premature failure at an excessive temperature because for a long time.
The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not
It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model
It is interior.
Claims (4)
1. a kind of power transformer, including power transformer ontology (1), the power transformer ontology (1) includes shell, special
Sign is: digging on the shell of the power transformer ontology (1) has fan slot (2), is connected with heat dissipation in the fan slot (2)
Fan (3) is connected with the first strainer (4) at the notch of the fan slot (2), on the shell of the power transformer ontology (1)
It is connected with multiple radiating fins (5), and multiple radiating fins (5) are ordered on the first strainer (4) or the first strainer (4)
Near, digging on the power transformer ontology (1) has gas pressure relief slot (6), and gas pressure relief slot (6) is located at the upside of fan slot (2),
It is connected with slide bar (8) in the trough floor of the gas pressure relief slot (6), is socketed with piston (9) on the slide bar (8), the gas pressure relief slot (6)
Notch at be connected with the stop collar (7) to match with piston (9), connect between the piston (9) and the trough floor of gas pressure relief slot (6)
It is connected to compressed spring (10), is connected with Ka Guan (14) in the trough floor of the gas pressure relief slot (6), the power transformer ontology (1)
Upper cutting has a pair of of bleed passage (11), and one end of two bleed passages (11) is connected with gas pressure relief slot (6), described in two
The other end of bleed passage (11) is connected with the external world, and the gas pressure relief slot (6) is connected with the external world by bleed passage (11).
2. a kind of power transformer according to claim 1, it is characterised in that: two bleed passages (11) and the external world
The second strainer (13) are respectively connected at the passway of the one end being connected.
3. a kind of power transformer according to claim 1, it is characterised in that: be all provided on two bleed passages (11)
There are U-shaped channel (12).
4. a kind of power transformer according to claim 1, it is characterised in that: set on the power transformer ontology (1)
Have lightning arrester (15), and lightning arrester (15) is connect by ground wire with ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982450.5U CN208954751U (en) | 2018-11-28 | 2018-11-28 | A kind of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982450.5U CN208954751U (en) | 2018-11-28 | 2018-11-28 | A kind of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208954751U true CN208954751U (en) | 2019-06-07 |
Family
ID=66745351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821982450.5U Expired - Fee Related CN208954751U (en) | 2018-11-28 | 2018-11-28 | A kind of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208954751U (en) |
-
2018
- 2018-11-28 CN CN201821982450.5U patent/CN208954751U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 Termination date: 20191128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |