CN108597816A - A kind of mounting structure of loaded tap switch oil current relay - Google Patents
A kind of mounting structure of loaded tap switch oil current relay Download PDFInfo
- Publication number
- CN108597816A CN108597816A CN201810378361.8A CN201810378361A CN108597816A CN 108597816 A CN108597816 A CN 108597816A CN 201810378361 A CN201810378361 A CN 201810378361A CN 108597816 A CN108597816 A CN 108597816A
- Authority
- CN
- China
- Prior art keywords
- oil
- grease chamber
- mounting structure
- hole
- current relay
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Transformer Cooling (AREA)
Abstract
The present invention provides a kind of mounting structure of loaded tap switch oil current relay, including load ratio bridging switch, load ratio bridging switch includes outer grease chamber, and liquid oil is contained in outer grease chamber, and interior grease chamber is provided in outer grease chamber, through-hole is provided between interior grease chamber and outer grease chamber；Oil stream control relay is provided in interior grease chamber, it includes oil inlet and oil outlet that oil stream, which controls relay, and oil inlet is connected with through-hole；The top of outer grease chamber is equipped with gas outlet, and the gas outlet is connected with respirator.Oil stream control relay is arranged in the accumulator of load ratio bridging switch the present invention, and can realize the use function of load ratio bridging switch and oil stream control relay, when in use without having to worry about Leakage.
Description
Technical field
The invention belongs to transformer technology fields, and in particular to a kind of installation knot of loaded tap switch oil current relay
Structure.
Background technology
Load ratio bridging switch should install when in use oil stream control relay, that is, oil stream control relay (gas after
Electric appliance), if when oil stream excessive velocities in load ratio bridging switch, oil stream control relay can provide an electric signal and be reported
It is alert.
Oil stream control relay in the prior art is mounted on the outside of load ratio bridging switch, is typically mounted on loaded tap-off
The accumulator at the top of switch, wherein load ratio bridging switch is also mounted at the outside of load ratio bridging switch, accumulator and oil stream control
The oil inlet of relay processed is connected, and the oil outlet of oil stream control relay is connected with load ratio bridging switch.However due to oil
The installation of current relay and accumulator so that load ratio bridging switch upper mechanism is complicated, and shape is ugly, especially increase oil level,
Many oil circuit connection points are increased, increase the probability of oil leak, or even oil leak is thoroughly solved the problems, such as some transformers.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of loaded tap switch oil stream relay
The mounting structure of device, solve in the prior art accumulator and oil stream control relay between tube interface and oil stream control after
The problem of tube interface oil leak between electric appliance and load ratio bridging switch.
In order to solve the above-mentioned technical problem, the present invention is realised by adopting the following technical scheme：
A kind of mounting structure of loaded tap switch oil current relay, including load ratio bridging switch, the loaded tap-off are opened
Pass includes outer grease chamber, and the outer grease chamber is provided with interior grease chamber for holding liquid oil in the outer grease chamber, the interior grease chamber and outside
Through-hole is provided between grease chamber；
It is provided with oil stream control relay in the interior grease chamber, oil stream control relay includes oil inlet and fuel-displaced
Mouthful, the oil inlet is connected with through-hole；
The top of the outer grease chamber is equipped with gas outlet, and the gas outlet carries out gas exchanges for outer grease chamber with external.
Further, the through-hole is arranged on the side wall of interior grease chamber, and through-hole is submerged in liquid oil.
Further, the oil stream control relay is arranged in outer grease chamber, and oil stream controls the oil outlet of relay and leads to
Hole is connected.
Further, the through-hole is arranged in the bottom of interior grease chamber, and through-hole is not submerged in liquid oil.
Further, the outer wall of the outer grease chamber is equipped with oil level indicator.
Further, further include respirator, the respirator is connected with gas outlet.
Further, it is connected by a pipe between the gas outlet and respirator.
Further, the interior grease chamber is connected with the head cover of outer grease chamber.
Further, the side wall of the interior grease chamber is equipped with pin hole, and the pin hole is not submerged in liquid oil.
Compared with prior art, the present invention having the following technical effect that：
Oil stream control relay is arranged in the accumulator of load ratio bridging switch the present invention, and can realize loaded tap-off
The use function of switch and oil stream control relay, when in use without having to worry about Leakage.
Description of the drawings
Fig. 1 is the concrete structure diagram under an embodiment of the present invention；
Fig. 2 is the concrete structure diagram under another embodiment of the present invention.
The meaning of each label is in figure：The outer grease chambers of 1-, grease chamber in 2-, 3- through-holes, 4- oil streams control relay, 5- pipes
Son, 6- respirators, 7- oil level indicators, 8- pin holes.
Explanation is further explained in detail to the particular content of the present invention below in conjunction with attached drawing.
Specific implementation mode
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited in implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment 1：
As shown in Figure 1, the present embodiment provides a kind of mounting structure of loaded tap switch oil current relay, include to carry to divide
Switch is connect, load ratio bridging switch includes outer grease chamber 1, and outer grease chamber 1 is used to hold liquid oil, and interior grease chamber 2 is provided in outer grease chamber 1,
Through-hole 3 is provided between interior grease chamber 2 and outer grease chamber 1；
Oil stream control relay 4 is provided in interior grease chamber 2, it includes oil inlet and oil outlet, oil inlet that oil stream, which controls relay 4,
Mouth is connected with through-hole 3；
The top of outer grease chamber 1 is equipped with gas outlet, and gas outlet carries out gas exchanges for outer grease chamber 1 with external.
The present embodiment is immersed by the way that the oil stream of controllable oil stream is controlled relay in liquid oil, does not have to thus consider liquid
The problem of when controlling relay by oil stream can oil leak occur for body oil, oil drum is divided into interior grease chamber and outer grease chamber by the present embodiment,
Liquid oil is flowed according to arrow direction in Fig. 1, and when liquid oil flowing velocity reaches a certain setting value, oil stream controls relay
Device provides electric signal.
Through-hole 3 in the present embodiment is arranged on the side wall of interior grease chamber 2, and through-hole 3 is submerged in liquid oil.This implementation
It is connected by a pipe 5 between gas outlet and respirator 6 in example.
The present embodiment further includes respirator 6, and respirator 6 is connected with gas outlet.Oil stream controls relay setting oil inside
On the side wall of room, identical as air by respirator 6 at the top of interior grease chamber, rest part is not communicated with air.
The outer wall of the present embodiment China and foreign countries grease chamber 1 is equipped with oil level indicator 7, for monitoring the liquid inside interior grease chamber and outer grease chamber
Oily height.
Interior grease chamber 2 is connected with the head cover of outer grease chamber 1 in the present embodiment.
In order to enable when load ratio bridging switch works, 2 external and internal pressure of interior grease chamber is consistent, and the side wall of interior grease chamber 2 is equipped with needle
Hole 8, and the pin hole 8 is not submerged in liquid oil.
Embodiment 2
As shown in Fig. 2, the present embodiment and embodiment 1 are distinguished as：Oil stream controls relay 4 and is arranged in outer grease chamber 1, oil
The oil outlet of flow control relay 4 is connected with through-hole 3.
Wherein, through-hole 3 is arranged in the bottom of interior grease chamber 2, and through-hole 3 is not submerged in liquid oil.As shown in Fig. 2,
Oil stream control relay 4 can also be arranged in outer grease chamber 1, at this time all air in interior grease chamber 2, and 2 top of interior grease chamber passes through
Respirator is identical as air, and oil drum rest part is not communicated with air, and liquid oil is flowed according to arrow direction in Fig. 1, when
When liquid oil flowing velocity reaches a certain setting value, oil stream control relay provides electric signal.
The present invention is to immerse oil stream control relay 4 in the oil at the top of load ratio bridging switch in outer grease chamber 1, outer grease chamber 1
It is inside provided with interior grease chamber 2 with closure head to be connected, 2 top of interior grease chamber is air.By oil stream control relay according to oil stream direction,
One end is connected on 2 wall of interior grease chamber.The top of interior grease chamber 2 is communicated by respirator 6 with air, shell other parts not with air phase
Logical (except pressure relief valve).Loaded tap switch oil is pressed arrow direction in figure and is flowed.Reach certain certain value in oily flowing velocity
When, provide electric signal.The size in 8 hole of venting pinhole should ensure, when load ratio bridging switch normal condition interior oily room pressure
Unanimously, but be unlikely in load ratio bridging switch failure bulk gas or liquid from venting pinhole quickly through.In various environment
At a temperature of be intended to ensure oil stream control relay inlet and outlet oil level face once.Oil level indicator is shown oil level outside the shell.
Claims (9)
1. a kind of mounting structure of loaded tap switch oil current relay, including load ratio bridging switch, the load ratio bridging switch
Including outer grease chamber (1), the outer grease chamber (1) is for holding liquid oil, which is characterized in that in being provided in the outer grease chamber (1)
Grease chamber (2) is provided with through-hole (3) between the interior grease chamber (2) and outer grease chamber (1)；
Be provided with oil stream control relay (4) in the interior grease chamber (2), oil stream control relay (4) include oil inlet and
Oil outlet, the oil inlet are connected with through-hole (3)；
The top of the outer grease chamber (1) is equipped with gas outlet, and the gas outlet carries out gas exchanges for outer grease chamber (1) with external.
2. the mounting structure of loaded tap switch oil current relay according to claim 1, which is characterized in that the through-hole
(3) it is arranged on the side wall of interior grease chamber (2), and through-hole (3) is submerged in liquid oil.
3. the mounting structure of loaded tap switch oil current relay according to claim 1, which is characterized in that the oil stream
It controls relay (4) to be arranged in outer grease chamber (1), the oil outlet of oil stream control relay (4) is connected with through-hole (3).
4. the mounting structure of loaded tap switch oil current relay according to claim 3, which is characterized in that the through-hole
(3) it is arranged in the bottom of interior grease chamber (2), and through-hole (3) is not submerged in liquid oil.
5. the mounting structure of loaded tap switch oil current relay according to claim 1 or 3, which is characterized in that described
The outer wall of outer grease chamber (1) is equipped with oil level indicator (7).
6. the mounting structure of loaded tap switch oil current relay according to claim 1 or 3, which is characterized in that also wrap
Respirator (6) is included, the respirator (6) is connected with gas outlet.
7. the mounting structure of loaded tap switch oil current relay according to claim 6, which is characterized in that the outlet
Mouth is connected between respirator (6) by a pipe (5).
8. the mounting structure of loaded tap switch oil current relay according to claim 1 or 3, which is characterized in that described
Interior grease chamber (2) is connected with the head cover of outer grease chamber (1).
9. the mounting structure of loaded tap switch oil current relay according to claim 1 or 3, which is characterized in that described
The side wall of interior grease chamber (2) is equipped with pin hole (8), and the pin hole (8) is not submerged in liquid oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378361.8A CN108597816B (en) | 2018-04-25 | 2018-04-25 | Mounting structure of on-load tap-changer oil flow relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378361.8A CN108597816B (en) | 2018-04-25 | 2018-04-25 | Mounting structure of on-load tap-changer oil flow relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108597816A true CN108597816A (en) | 2018-09-28 |
| CN108597816B CN108597816B (en) | 2020-01-21 |
Family
ID=63609131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810378361.8A Active CN108597816B (en) | 2018-04-25 | 2018-04-25 | Mounting structure of on-load tap-changer oil flow relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108597816B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768522A (en) * | 2019-02-21 | 2019-05-17 | 西安交通大学 | The digital protection method of for transformer loaded tap-off oil circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57194509A (en) * | 1981-05-27 | 1982-11-30 | Kansai Electric Power Co Inc:The | On-load tap changer |
| CN104167285A (en) * | 2013-05-17 | 2014-11-26 | 许安良 | On-load tap changer with on-line negative pressure oil filtering device |
| CN204008219U (en) * | 2014-08-25 | 2014-12-10 | 国家电网公司 | The on-load tap changer equipment that draws oil sample |
| CN106653292A (en) * | 2015-07-23 | 2017-05-10 | 沈阳诚禾嘉信电力设备有限公司 | Full-seal metal corrugated oil conservator |
-
2018
- 2018-04-25 CN CN201810378361.8A patent/CN108597816B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57194509A (en) * | 1981-05-27 | 1982-11-30 | Kansai Electric Power Co Inc:The | On-load tap changer |
| CN104167285A (en) * | 2013-05-17 | 2014-11-26 | 许安良 | On-load tap changer with on-line negative pressure oil filtering device |
| CN204008219U (en) * | 2014-08-25 | 2014-12-10 | 国家电网公司 | The on-load tap changer equipment that draws oil sample |
| CN106653292A (en) * | 2015-07-23 | 2017-05-10 | 沈阳诚禾嘉信电力设备有限公司 | Full-seal metal corrugated oil conservator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768522A (en) * | 2019-02-21 | 2019-05-17 | 西安交通大学 | The digital protection method of for transformer loaded tap-off oil circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108597816B (en) | 2020-01-21 |
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