CN206497827U - A kind of transformer capsule breakage monitoring device - Google Patents
A kind of transformer capsule breakage monitoring device Download PDFInfo
- Publication number
- CN206497827U CN206497827U CN201720200233.5U CN201720200233U CN206497827U CN 206497827 U CN206497827 U CN 206497827U CN 201720200233 U CN201720200233 U CN 201720200233U CN 206497827 U CN206497827 U CN 206497827U
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- CN
- China
- Prior art keywords
- oil
- capsule
- oil conservater
- conservater
- monitoring device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of transformer capsule breakage monitoring device, including oil conservater, inside the oil conservater capsule is provided with the position at top, it is close to the top surface of the oil conservater at the top side location of the capsule, the oil conservater bottom is provided with logical hydraulic fluid port at the position on right side, the oil conservater right flank is provided with oil level indicator at the position of bottom, the oil level indicator, which is located at the position inside the oil conservater, is provided with connecting rod, ball float is provided with the position of the connecting rod left surface, the oil conservater right flank is provided with detection mouth at the position at top, the detection mouth is connected with reluctance force electro connecting pressure gauge；The device is by the insulating oil being provided with inside the cooperation of reluctance type electro connecting pressure gauge, and when capsule occurs damaged, reluctance type electro connecting pressure gauge can send alarm signal in time and remind staff, while this monitoring device is observed, installation and maintenance are easy to maintenance.
Description
Technical field
The utility model is related to a kind of transformer capsule breakage monitoring device.
Background technology
At present, each transformer factory with capsule damage monitoring method have：Gas relay method, special purpose relay method and
MBR sensors and protective relay combined method, and ripe be used in export project.Following table, we from cost, dimension
It is analyzed to judge the advantage and disadvantage of various capsule damage monitoring methods in terms of shield maintenance, comparing result is as shown in Table 1.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of transformer capsule breakage monitoring device, and the device passes through
Insulating oil inside the cooperation of reluctance type electro connecting pressure gauge is installed, when capsule occurs damaged, reluctance type electro connecting pressure gauge
Alarm signal can be sent in time and reminds staff, while this monitoring device is observed, installation and maintenance are easy to maintenance.
To solve the above problems, the utility model is adopted the following technical scheme that：
A kind of transformer capsule breakage monitoring device, including oil conservater, the oil conservater are provided with upward opening, described
Cover plate is provided with the position of opening, the oil conservater is internally provided with inside the grease chamber for placing insulating oil, the oil conservater and leaned on
The top surface for being close to the oil conservater at capsule, the top side location of the capsule, the capsule top are provided with the position at nearly top
The middle position in face is provided with passage, and the passage vertically runs through the capsule, and the passage is connected with breather pipe,
The breather pipe is integral type structure with the capsule, and the breather pipe runs through the cover plate, and extends to the outer of the cover plate
Side, the cover plate top surface, which is located at the position on the right side of the breather pipe, is provided with the first passage, first passage and institute
Dehydrating breather connecting tube is connected with the position for stating passage top surface, the oil conservater bottom is provided with logical at the position on right side
Oil pipe is provided with hydraulic fluid port, the position of the logical hydraulic fluid port bottom, the oil pipe is integral type structure, institute with the oil conservater
State and oil tank of transformer connecting tube is provided with the bottom position of oil pipe, the oil conservater right flank is set at the position of bottom
Oil level indicator is equipped with, the oil level indicator, which is located at the position inside the oil conservater, is provided with connecting rod, the connecting rod left surface
Position at be provided with ball float, the oil conservater right flank is provided with detection mouth at the position at top, and the detection mouth connects
It is connected to reluctance force electro connecting pressure gauge.
Preferably, the cover plate top surface is provided with the fixation spiral shell of the fixed oil conservater at the position of arranged on left and right sides
Bolt.
Preferably, connecting plate is provided with the position at the top of the breather pipe, the connecting plate is one with the breather pipe
Body formula structure；By being provided with connecting plate, preferably it can be connected with dehydrating breather connecting tube.
Preferably, it is provided with control valve at the position between the oil pipe and the oil tank of transformer connecting tube；Pass through
Control valve is provided with, the oil level in grease chamber can be freely controlled.
Preferably, the distance between the detection mouth and the cover plate are 200mm；By being arranged on 200mm below cover plate
Detection mouth, it is best in this position Detection results.
Embodiment of the present utility model：For the transformer of different capabilities, the diameter of oil conservater is typically in the range of
Between 0.8m to 1.6m.According to oil level indicator（YZF types）Design feature understand, the high warning position of oil conservater is about in oil storage
90% or so of cabinet diameter；In fact, the compensation volume of oil conservater has often given certain nargin, therefore transformer actual motion
When, the oil level below capsule（I.e. oil level indicator ball float height）Generally below 90%, seldom occur high warning phenomenon.
Oil level below capsule reaches highest（That is the ball float of oil level indicator is close to high warning position）When, now because of glue
The difference in height that the oily oil level of oil conservater grease chamber interior insulation that capsule is damaged and causes declines is minimum, about the 10% of oil conservater diameter.
Analysis is carried out with diameter 0.8m oil conservater representative.
According to Pascal's law, the oil pressure calculation formula of liquid internal is：
P = ρ·g·H 1)
In formula, the density of ρ --- liquid, kg/m3
G --- acceleration of gravity, 9.8N/kg
H --- the height apart from grease chamber top, m
When capsule is intact, by formula 1) show that manometric numerical value is：
P1 = 900×9.8×0.2 = 1,764 Pa
When capsule is damaged, equally by formula 1) show that manometric numerical value is：
P2 = 900×9.8×(0.2-0.8×10%)
= 1,058 Pa
Therefore, when capsule is damaged, the oil pressure range at pressure gauge is：0（Now insulating oil pasta is located at below pressure gauge）~
1,058Pa。
By above-mentioned data, the pressure gauge that our a selected range is 3,000 Pa, and pressure gauge is set to when oil
Pressure is less than 1,500 Pa（It can be found and diagnosed in advance when capsule has little damage or poor sealing, therefore be set to 1,
500Pa）When, its internal switch contact is triggered, alarm signal is thus sent.Therefore, according to above-mentioned demonstration, it was demonstrated that the method is cut
It is real feasible.
The beneficial effects of the utility model are：The device is exhausted inside the cooperation of reluctance type electro connecting pressure gauge by being provided with
Edge oil, when capsule occurs damaged, reluctance type electro connecting pressure gauge can send alarm signal in time and remind staff, while this
Monitoring device observation, installation and maintenance are easy to maintenance, and the structure of the present apparatus is relatively simple, and cost is more cheap, and suitable popularization makes
With.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is sectional view of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
Refering to a kind of transformer capsule breakage monitoring device shown in Fig. 1, including oil conservater 1, the oil conservater 1 is provided with
Cover plate 102 is provided with upward opening 101, the position of the opening 101, the oil conservater 1 is internally provided with placement insulation
The grease chamber 103 of oil, the inside of oil conservater 1 is provided with capsule 2, the top side location of the capsule 2 at the position at top
It is close to the top surface of the oil conservater 1, the middle position of the top surface of capsule 2 is provided with passage 201, the passage 201
Vertically run through the capsule 2, the passage 201 is connected with breather pipe 202, and the breather pipe 202 is integrated with the capsule 2
Formula structure, the breather pipe 202 runs through the cover plate 102, and extends to the outside of the cover plate 102, the top surface of cover plate 102
The first passage 203, first passage 203 and the ventilation are provided with the position on the right side of breather pipe 202
Dehydrating breather connecting tube 204 is connected with the position of the top surface of hole 201, the bottom of oil conservater 1 is provided with the position on right side
Oil pipe 105, the oil pipe 105 and the oil conservater 1 are provided with logical hydraulic fluid port 104, the position of the logical bottom of hydraulic fluid port 104
For integral type structure, oil tank of transformer connecting tube 106 is provided with the bottom position of the oil pipe 105, the oil conservater 1 is right
Side is provided with oil level indicator 107 at the position of bottom, and the oil level indicator 107, which is located at the position inside the oil conservater, to be set
It is equipped with connecting rod 108, the position of the left surface of connecting rod 108 and is provided with ball float 109, the right flank of oil conservater 1 is close
Detection mouth 110 is provided with the position at top, the detection mouth 110 is connected with reluctance force electro connecting pressure gauge 3.
A preferred embodiment in the utility model, the top surface of cover plate 102 is set at the position of arranged on left and right sides
There is the fixing bolt 111 of the fixed oil conservater 1.
Connecting plate is provided with a preferred embodiment in the utility model, the position at the top of breather pipe 202
205, the connecting plate 205 is integral type structure with the breather pipe 202；By being provided with connecting plate, can preferably with suction
Wet device connecting tube is connected.
A preferred embodiment in the utility model, the oil pipe 105 and the oil tank of transformer connecting tube 106 it
Between position at be provided with control valve 112；By being provided with control valve, the oil level in grease chamber can be freely controlled.
A preferred embodiment in the utility model, the distance between the detection mouth 110 and the cover plate 102 are
200mm；It is best in this position Detection results by being arranged on the detection mouth of 200mm below cover plate.
Embodiment of the present utility model：For the transformer of different capabilities, the diameter of oil conservater is typically in the range of
Between 0.8m to 1.6m.According to oil level indicator（YZF types）Design feature understand, the high warning position of oil conservater is about in oil storage
90% or so of cabinet diameter；In fact, the compensation volume of oil conservater has often given certain nargin, therefore transformer actual motion
When, the oil level below capsule（I.e. oil level indicator ball float height）Generally below 90%, seldom occur high warning phenomenon.
Oil level below capsule reaches highest（That is the ball float of oil level indicator is close to high warning position）When, now because of glue
The difference in height that the oily oil level of oil conservater grease chamber interior insulation that capsule is damaged and causes declines is minimum, about the 10% of oil conservater diameter.
Analysis is carried out with diameter 0.8m oil conservater representative.
According to Pascal's law, the oil pressure calculation formula of liquid internal is：
P = ρ·g·H 1)
In formula, the density of ρ --- liquid, kg/m3
G --- acceleration of gravity, 9.8N/kg
H --- the height apart from grease chamber top, m
When capsule is intact, by formula 1) show that manometric numerical value is：
P1 = 900×9.8×0.2 = 1,764 Pa
When capsule is damaged, equally by formula 1) show that manometric numerical value is：
P2 = 900×9.8×(0.2-0.8×10%)
= 1,058 Pa
Therefore, when capsule is damaged, the oil pressure range at pressure gauge is：0（Now insulating oil pasta is located at below pressure gauge）~
1,058Pa。
By above-mentioned data, the pressure gauge that our a selected range is 3,000 Pa, and pressure gauge is set to when oil
Pressure is less than 1,500 Pa（It can be found and diagnosed in advance when capsule has little damage or poor sealing, therefore be set to 1,
500Pa）When, its internal switch contact is triggered, alarm signal is thus sent.Therefore, according to above-mentioned demonstration, it was demonstrated that the method is cut
It is real feasible.
The beneficial effects of the utility model are：The device is exhausted inside the cooperation of reluctance type electro connecting pressure gauge by being provided with
Edge oil, when capsule occurs damaged, reluctance type electro connecting pressure gauge can send alarm signal in time and remind staff, while this
Monitoring device observation, installation and maintenance are easy to maintenance, and the structure of the present apparatus is relatively simple, and cost is more cheap, and suitable popularization makes
With.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the utility model spirit and scope are not departed from
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (5)
1. a kind of transformer capsule breakage monitoring device, it is characterised in that：Including oil conservater, the oil conservater is provided with upward
Cover plate is provided with opening, the position of the opening, the oil conservater is internally provided with the grease chamber for placing insulating oil, the oil storage
Inside cabinet the top surface for being close to the oil conservater at capsule, the top side location of the capsule, institute are provided with the position at top
The middle position for stating capsule top surface is provided with passage, and the passage vertically runs through the capsule, the passage connection
There is breather pipe, the breather pipe is integral type structure with the capsule, and the breather pipe runs through the cover plate, and extends to described
The outside of cover plate, the cover plate top surface, which is located at the position on the right side of the breather pipe, is provided with the first passage, and described first leads to
Stomata at the position of the passage top surface with being connected with dehydrating breather connecting tube, and the oil conservater bottom is at the position on right side
It is provided with logical hydraulic fluid port, the position of the logical hydraulic fluid port bottom and is provided with oil pipe, the oil pipe is integrated with the oil conservater
Oil tank of transformer connecting tube is provided with formula structure, the bottom position of the oil pipe, the oil conservater right flank is close to bottom
Position at be provided with oil level indicator, the oil level indicator, which is located at the position inside the oil conservater, is provided with connecting rod, the company
Ball float is provided with the position of extension bar left surface, the oil conservater right flank is provided with detection mouth, institute at the position at top
State detection mouth and be connected with reluctance force electro connecting pressure gauge.
2. transformer capsule breakage monitoring device according to claim 1, it is characterised in that：The cover plate top surface is close
The fixing bolt of the fixed oil conservater is provided with the position of arranged on left and right sides.
3. transformer capsule breakage monitoring device according to claim 1, it is characterised in that：Position at the top of the breather pipe
The place of putting is provided with connecting plate, and the connecting plate is integral type structure with the breather pipe.
4. transformer capsule breakage monitoring device according to claim 1, it is characterised in that：The oil pipe becomes with described
Control valve is provided with position between depressor fuel tank connecting tube.
5. transformer capsule breakage monitoring device according to claim 1, it is characterised in that：The detection mouth and the lid
The distance between plate is 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200233.5U CN206497827U (en) | 2017-03-03 | 2017-03-03 | A kind of transformer capsule breakage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720200233.5U CN206497827U (en) | 2017-03-03 | 2017-03-03 | A kind of transformer capsule breakage monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497827U true CN206497827U (en) | 2017-09-15 |
Family
ID=59806105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720200233.5U Expired - Fee Related CN206497827U (en) | 2017-03-03 | 2017-03-03 | A kind of transformer capsule breakage monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206497827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588911A (en) * | 2017-09-27 | 2018-01-16 | 国网山西省电力公司检修分公司 | Portable transformer oil conservater capsule air-leakage detector |
| CN109000858A (en) * | 2018-06-20 | 2018-12-14 | 国家电网公司 | The complete detection system of Multifunction transformer |
-
2017
- 2017-03-03 CN CN201720200233.5U patent/CN206497827U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588911A (en) * | 2017-09-27 | 2018-01-16 | 国网山西省电力公司检修分公司 | Portable transformer oil conservater capsule air-leakage detector |
| CN109000858A (en) * | 2018-06-20 | 2018-12-14 | 国家电网公司 | The complete detection system of Multifunction transformer |
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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: 20170915 Termination date: 20180303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |