CN202796315U - Transformer with viewing window - Google Patents
Transformer with viewing window Download PDFInfo
- Publication number
- CN202796315U CN202796315U CN201220422577.8U CN201220422577U CN202796315U CN 202796315 U CN202796315 U CN 202796315U CN 201220422577 U CN201220422577 U CN 201220422577U CN 202796315 U CN202796315 U CN 202796315U
- Authority
- CN
- China
- Prior art keywords
- transformer
- concavees lens
- lens
- inspection windows
- convex lens
- Prior art date
- 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
Links
Images
Abstract
The utility model relates to a transformer with a viewing window. The viewing window is arranged on the side wall of a transformer shell, and comprises a light source window through which light rays enter the transformer from the outside of the transformer, and an observing window for observing the inside of the transformer, wherein a concave lens is arranged in the light source window; the periphery of the concave lens is in fluid seal with the side wall of the transformer shell; a concave lens is further arranged in the observing window; and the periphery of the concave lens is also in fluid seal with the side wall of the transformer shell. The inside of the transformer is observed by adopting the concave lenses, so that the observing scope is enlarged, and the viewing efficiency is increased.
Description
Technical field
The utility model relates to a kind of transformer, particularly a kind of transformer with inspection windows.
Background technology
Power transformer adopts oil-filled transformer usually, in order to inspect the ruuning situation of transformer internal part, such as in order to be confirmed whether to exist no bubble or the impurity of existing in partial discharge, the oil, the staff need to be cut off the power supply transformer out of service usually, then transformer is carried out the high-voltage electrical apparatus test even enter inner implementation of transformer inspecting.Yet, the transformer outage will be brought very large loss to production.
Exist at present and a kind ofly offer the transformer of inspection windows at sidewall, still, what install at this inspection windows is simple flat glass, and therefore, field of view is limited, and it is inner to observe transformer on a large scale, thereby obtains the relatively poor effect of inspecting.
The utility model content
Consider the defects of prior art, the technical problems to be solved in the utility model provides a kind of transformer with inspection windows, can inspect transformer inside at the transformer run duration, and enlarged the person's of inspecting field of view, be convenient to observe wider operation conditions in the transformer.
For this reason, the utility model provides a kind of transformer with inspection windows, this inspection windows is arranged on the sidewall of transformer shell and comprises: one is used for making light enter the light source window of transformer inside from the transformer outside, in described light source window, concavees lens are set, form Fluid Sealing between the periphery of described concavees lens and the sidewall of transformer shell; And a watch window that is used for observing transformer inside, concavees lens also are set in described watch window, the periphery of described concavees lens also and between the sidewall of transformer shell forms Fluid Sealing.By concavees lens are set in inspection windows, enlarged the person's of inspecting field of view, improved and inspected efficient, and can inspect transformer inside at the transformer run duration.
Preferably, the observation convex lens also are set in this watch window, the optical axis of described convex lens and the optical axis coincidence of described concavees lens, and described convex lens are arranged on the outside of described concavees lens, and the distance between the central point of wherein said convex lens and the central point of described concavees lens is poor less than the image distance of the focal length of described convex lens and described concavees lens.By convex lens additionally are set, can make the person of inspecting to transformer inside observe farther.
Preferably, described concavees lens and/or described convex lens are provided with the UV protective layer.This UV protective layer can protect these lens to avoid extraneous infringement and the protection person's of inspecting eyes.
Preferably, described light source window and/or described watch window are provided with over cap to be opened/closed.This over cap can further protect these lens to avoid extraneous infringement.
Preferably, described light source window and described watch window are circular, and diameter separately is 10-40cm.By the inspection windows of above-mentioned circle is set, simplify the structure, and when the operation conditions of transformer inside is seen in assurance clearly, will be down to minimum on the impact of transformer shell side wall strength.
The utility model also provides a kind of transformer with inspection windows, this inspection windows is arranged on the sidewall of transformer shell, be provided for making light to enter the inner concavees lens that also are used for observing transformer inside of transformer from the transformer outside in this inspection windows, form Fluid Sealing between the periphery of described concavees lens and the sidewall of transformer shell.Can make light enter the inspection windows that transformer inside can be observed again in transformer inside from the transformer outside by arranging, simplify the structure of inspection windows.
Preferably, convex lens also are set in this inspection windows, one convex lens also are set in this inspection windows, the optical axis of described convex lens and the optical axis coincidence of described concavees lens and be arranged on the outside of described concavees lens, the distance between the central point of wherein said convex lens and the central point of described concavees lens is poor less than the image distance of the focal length of described convex lens and described concavees lens.By convex lens additionally are set, can make the person of inspecting to transformer inside observe farther.
Preferably, described convex lens and/or described concavees lens are provided with the UV protective layer.This UV protective layer can protect convex lens and/or concavees lens to avoid extraneous infringement and the protection person's of inspecting eyes.
Preferably, this inspection windows is provided with over cap to be opened/closed.This over cap can further protect these lens to avoid extraneous infringement.
Preferably, this inspection windows is circle, ellipse or polygon.Be set to these shapes by inspection windows, make it simple in structure.
Preferably, this inspection windows is that diameter is the circle of 30-50cm, and is inner to guarantee that this inspection windows can be observed transformer when light enters transformer inside from the transformer outside, and reduce is on the impact of transformer shell side wall strength.
Description of drawings
Below, will illustrative of the present utility model be described and nonrestrictive embodiment by accompanying drawing, wherein:
Fig. 1 is the front view according to the transformer inspection windows of the utility model the first embodiment;
Fig. 2 is the side cross-sectional schematic of transformer inspection windows shown in Figure 1;
Fig. 3 is the index path of concavees lens that are positioned at inspection windows illustrated in figures 1 and 2;
Fig. 4 is the side cross-sectional schematic according to the transformer watch window of the utility model the second embodiment;
Fig. 5 is the concavees lens that are positioned at watch window shown in Figure 4 and the index path of convex lens combination;
Fig. 6 is the front view according to the transformer inspection windows of the utility model the 3rd embodiment.
Embodiment
Describe preferred embodiment of the present utility model in detail below with reference to accompanying drawing, wherein identical or similar parts adopt identical Reference numeral.
(the first embodiment)
Fig. 1 to Fig. 3 shows the transformer inspection windows according to the utility model the first embodiment.
As depicted in figs. 1 and 2, sidewall 1 at transformer shell is provided with inspection windows 2, this inspection windows 2 penetrates sidewall 1 to be communicated with the outside and transformer inside of transformer, this inspection windows comprises: be used for the light source window 21 that makes light enter transformer inside from the transformer outside and the watch window 22 that is used for observing transformer inside, at these light source window 21 interior light source concavees lens 31 that seal light source window 21 is set, form Fluid Sealing between the periphery of these light source concavees lens 31 and the sidewall of transformer shell 1; At these watch window 22 interior observation concavees lens 32 that Sealed Observation Window mouth 22 is set, form Fluid Sealing between the periphery of observation concavees lens 32 and the sidewall 1 of transformer shell.
By respectively at light source window 21 and the watch window 22 interior concavees lens that arrange, can enlarge the angular range of the light that enters transformer inside and enlarge field of view, thereby greatly improve the efficient of inspecting of transformer, and can inspect transformer inside at the transformer run duration, and need not transformer is cut off the power supply.
In order to obtain best printing opacity and observing effect, the optical axis of the optical axis of these light source concavees lens 31 and these observation concavees lens 32 preferably with light source window 21 parallel perpendicular to the central axis on the direction of transformer shell body sidewall 1.
In addition, light source window 21 and watch window 22 illustrated circle preferably.But light source window 21 and watch window 22 also can adopt other shape, such as ellipse or polygon such as rectangle, square etc.Under light source window 21 and watch window 22 are circular situation, preferred its diameter separately is 10-40cm, such as can thinking 15cm, 20cm, 25cm, 30cm or 35cm etc., thereby can clearly observe transformer inside, the loss of strength of transformer sidewall can be dropped to again minimum.
Light source concavees lens 31 and observation concavees lens 32 can be by realizing Fluid Sealing between adhesive or sealing ring and the sidewall 1.Light source concavees lens 31 and observation concavees lens 32 can also arrange frame along periphery separately, to prevent its edge breakage.Light source concavees lens 31 and observation concavees lens 32 are preferably made by polymethyl methacrylate.
In order to protect light source concavees lens 31 and to observe the eyes that concavees lens 32 are avoided extraneous infringement and the protection person of inspecting, can the UV protective layer be set the one or more surface in these concavees lens.
In order further to protect these lens; can over cap 5 be set at light source window 21 and watch window 22; this over cap 5 can be an over cap that had not only hidden light source window 21 but also hidden watch window 22; also can be two over caps that hide respectively light source window 21 and watch window 22, perhaps only hide in light source window 21 and the watch window 22.Over cap 5 can be hinged with sidewall 1 or the flange of transformer shell, can make its switching by the pivot over cap thus.Over cap 5 can also be connected with the sidewall 1 of transformer shell by screw thread, thereby attaches it to sidewall 1 or take off from sidewall 1 by screwing.When not inspecting, over cap 5 covers inspection windows.When inspecting, can open over cap 5.
In addition, light source window 21 and watch window 22 can be arranged close to each other in the flange (not shown), and flange is arranged on the sidewall 1 of transformer shell.This flange also can form as one with the sidewall 1 of transformer shell, also can be that independent parts are to be arranged on this sidewall 1.In the situation that the thickness of the sidewall 1 of transformer shell allows,, in the situation in above-mentioned concavees lens can be installed to sidewall 1, this flange is not necessary yet.
The process that transformer inside is inspected is described below.
When inspecting, utilization utilizes lighting device radiation source window 21 to enter the light of transformer inside by light or the person of inspecting that light source window 21 enters transformer inside, and the person of inspecting can be by the operation conditions of watch window 22 observation transformer inside.In the situation that independent light source window is not set, light can enter from unique window transformer inside.Shown in the index path of Fig. 3, wherein the observer can see that by concavees lens the virtual image I(F that object of observation O becomes is the focus of concavees lens).Obviously, utilize the scope of the object of observation that concavees lens see larger.By independent light source window 21 is set, the person of inspecting can control the light that enters transformer inside by light source window 21 better, such as the brightness of controlling light and range of exposures etc., thereby it is inner to illuminate as required the transformer that will inspect, therefore, inspecting of transformer has higher specific aim and purpose.
(the second embodiment)
Fig. 4 to Fig. 5 shows the transformer inspection windows according to the utility model the second embodiment.
The difference of present embodiment and the first embodiment is, observe convex lens 33 watch window 22 interior additionally being provided with, this observes the optical axis and the optical axis coincidence of observing concavees lens 32 of convex lens 33, and for transformer is inner, observes convex lens 33 and be positioned at the outside of observing concavees lens 32.The index path that is combined to form of this convex lens 33 and concavees lens 32 as shown in Figure 5, wherein the virtual image I1 of object of observation O by 32 one-tenth of concavees lens to form virtual image I2(F through the amplification of convex lens 33 be the focus of convex lens).Obviously, the virtual image of amplification is conducive to observer's inspecting the object of observation of farther place.In order clearly to observe transformer inside, the focal length D1 of convex lens 33 should greater than the image distance of concavees lens 32 (being the distance between the central point of the virtual image I1 that self forms of concavees lens 32 and concavees lens 32) and convex lens 33 and concavees lens 32 separately between the central point apart from sum D2, i.e. D1 D2.What also namely, the distance between the central point of the central point of convex lens 33 and concavees lens 32 should be less than the image distance of the focal length D1 of convex lens 33 and concavees lens 32 is poor.
Observe convex lens 33 by additionally arranging, can make the person of inspecting to transformer inside observe farther, thereby it is higher to inspect efficient.
In addition, the structure of present embodiment all can be identical with the structure of the first embodiment, do not repeat them here.
(the 3rd embodiment)
Fig. 6 shows the transformer inspection windows according to the utility model the 3rd embodiment.
In this embodiment, the light source window 21 in the previous embodiment and watch window 22 are merged into an inspection windows 2, a window namely only is set observes transformer inside.At this moment, the size of inspection windows 2 can be greater than the light source window among the first and second embodiment or the size of watch window, also can be measure-alike with it.The diameter of preferred inspection windows is 30-50cm.
In addition, this inspection windows 2 can only arrange concavees lens 32 as the first embodiment, it is inner and inner for observing transformer to be used for making light to enter transformer from the transformer outside, the optical axis of these concavees lens preferably with inspection windows 2 parallel perpendicular to the central axis on the direction of the sidewall 1 of transformer shell, and form Fluid Sealing between the sidewall 1 of the periphery of these concavees lens and transformer shell.This inspection windows 2 also can arrange as the second embodiment the combination of convex lens 33 and concavees lens 32.The optical axis of these convex lens and the optical axis coincidence of concavees lens and be arranged on the outside of concavees lens, wherein poor less than the image distance of the focal length D1 of these convex lens and concavees lens of the distance between the central point of the central point of convex lens and concavees lens.
Other structure of this inspection windows 2 is all identical with previous embodiment.Such as, can over cap 5 to be opened/closed be set at inspection windows 2, on the surface of lens UV protective layer etc. is set, do not repeat them here.
To those skilled in the art, shown in the utility model is not limited to regard to its more wide in range meaning and described detail, exemplary configuration and illustrative examples.
Claims (11)
1. the transformer with inspection windows is characterized in that, it is upper and comprise that this inspection windows (2) is arranged on the sidewall (1) of transformer shell:
One is used for making light enter the light source window (21) of transformer inside from the transformer outside, and concavees lens (31) are set in described light source window (21), forms Fluid Sealing between the periphery of described concavees lens (31) and the sidewall of transformer shell; And
A watch window (22) that is used for observing transformer inside also arranges concavees lens (32) in described watch window (22), the periphery of described concavees lens (32) also and between the sidewall of transformer shell forms Fluid Sealing.
2. transformer according to claim 1, it is characterized in that, one convex lens (33) also are set in described watch window (22), the optical axis coincidence of the optical axis of described convex lens (33) and described concavees lens (32), and described convex lens (33) are arranged on the outside of described concavees lens (32), and the distance between the central point of the central point of wherein said convex lens (33) and described concavees lens (32) is poor less than the image distance of the focal length of described convex lens (33) and described concavees lens (32).
3. transformer according to claim 2 is characterized in that, described concavees lens (31,32) and/or described convex lens (33) are provided with the UV protective layer.
4. transformer according to claim 1 and 2 is characterized in that, described light source window (21) and/or described watch window (22) are provided with over cap to be opened/closed (5).
5. transformer according to claim 1 and 2 is characterized in that, described light source window (21) and described watch window (22) are circular, and diameter separately is 10-40cm.
6. transformer with inspection windows, it is characterized in that, this inspection windows (2) is arranged on the sidewall (1) of transformer shell, be provided for making light to enter the inner concavees lens that also are used for observing transformer inside of transformer from the transformer outside in this inspection windows (2), form Fluid Sealing between the periphery of described concavees lens and the sidewall of transformer shell.
7. transformer according to claim 6, it is characterized in that, in this inspection windows (2), convex lens are set also, the optical axis of described convex lens and the optical axis coincidence of described concavees lens and be arranged on the outside of described concavees lens, the distance between the central point of wherein said convex lens and the central point of described concavees lens is poor less than the image distance of the focal length of described convex lens and described concavees lens.
8. transformer according to claim 7 is characterized in that, described convex lens and/or described concavees lens are provided with the UV protective layer.
9. according to claim 6 or 7 described transformers, it is characterized in that this inspection windows (2) is provided with over cap to be opened/closed.
10. according to claim 6 or 7 described transformers, it is characterized in that this inspection windows (2) is circular, ellipse or polygon.
11. according to claim 6 or 7 described transformers, it is characterized in that this inspection windows (2) is the circle of 30-50cm for diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422577.8U CN202796315U (en) | 2012-08-23 | 2012-08-23 | Transformer with viewing window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220422577.8U CN202796315U (en) | 2012-08-23 | 2012-08-23 | Transformer with viewing window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796315U true CN202796315U (en) | 2013-03-13 |
Family
ID=47823526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220422577.8U Expired - Fee Related CN202796315U (en) | 2012-08-23 | 2012-08-23 | Transformer with viewing window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796315U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305927A (en) * | 2013-06-21 | 2013-09-18 | 衡水英利新能源有限公司 | Observation device for inner liquid level of polycrystalline ingot furnace |
| WO2018126273A1 (en) | 2016-12-31 | 2018-07-05 | Abb Schweiz Ag | Systems and methods for monitoring components in a power transformer or the like |
| CN109412068A (en) * | 2017-08-17 | 2019-03-01 | 平高集团威海高压电器有限公司 | Cubicle Gas-Insulated Switchgear and its observation device |
| CN111192699A (en) * | 2020-01-08 | 2020-05-22 | 东南大学 | Supercritical water-cooled reactor pipeline visible window and sealing method thereof |
-
2012
- 2012-08-23 CN CN201220422577.8U patent/CN202796315U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305927A (en) * | 2013-06-21 | 2013-09-18 | 衡水英利新能源有限公司 | Observation device for inner liquid level of polycrystalline ingot furnace |
| CN103305927B (en) * | 2013-06-21 | 2016-02-03 | 衡水英利新能源有限公司 | Observation device for inner liquid level of polycrystalline ingot furnace |
| WO2018126273A1 (en) | 2016-12-31 | 2018-07-05 | Abb Schweiz Ag | Systems and methods for monitoring components in a power transformer or the like |
| EP3563134A1 (en) * | 2016-12-31 | 2019-11-06 | ABB Schweiz AG | Systems and methods for monitoring components in a power transformer or the like |
| EP3563134A4 (en) * | 2016-12-31 | 2020-07-15 | ABB Schweiz AG | Systems and methods for monitoring components in a power transformer or the like |
| US11587727B2 (en) | 2016-12-31 | 2023-02-21 | Hitachi Energy Switzerland Ag | Systems and methods for monitoring components in a power transformer or the like |
| CN109412068A (en) * | 2017-08-17 | 2019-03-01 | 平高集团威海高压电器有限公司 | Cubicle Gas-Insulated Switchgear and its observation device |
| CN109412068B (en) * | 2017-08-17 | 2020-10-27 | 平高集团威海高压电器有限公司 | Gas-insulated metal-enclosed switchgear and observation device thereof |
| CN111192699A (en) * | 2020-01-08 | 2020-05-22 | 东南大学 | Supercritical water-cooled reactor pipeline visible window and sealing method thereof |
| CN111192699B (en) * | 2020-01-08 | 2023-06-16 | 东南大学 | Supercritical water cooled reactor pipeline visual window and sealing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202796315U (en) | Transformer with viewing window | |
| CN205910961U (en) | Novel LED transparent display screen | |
| CN205066802U (en) | Totally closed optical pass of photosensitive sensor light electrical performance test device | |
| CN203815420U (en) | ENT(ear-nose-throat) detector | |
| CN209231679U (en) | A kind of device for using color-changing lens control brightness of image | |
| CN103472072A (en) | Novel visual inspection method and device for glass tube defects | |
| CN203365348U (en) | Glass detection device | |
| CN207423765U (en) | A kind of solar energy backboard film ageing test apparatus | |
| CN206540842U (en) | A kind of multi-angle programmable machine visual illumination device | |
| CN206890363U (en) | A kind of Projecting Lamp of lamp light adjustable focal length | |
| CN203575874U (en) | UV sterilization water kettle | |
| CN204101808U (en) | A kind of microscope for fibre analysis | |
| CN202974889U (en) | Liquid medicine lamp inspection instrument | |
| CN204807786U (en) | Full shot subassembly and pipeline inspection system | |
| CN208537879U (en) | Corner coaxial light source | |
| CN205436364U (en) | Shut down cup and divide cup mechanism | |
| CN206020270U (en) | A kind of cosmetics fluorescence agent detector | |
| CN207181811U (en) | A kind of industrial endoscope with light compensating apparatus | |
| CN206833059U (en) | The ultraviolet optics camera lens of hand-held day blind UV corona detection | |
| CN205942050U (en) | Medical treatment lens structure | |
| CN204575952U (en) | A kind of pocket gemolite | |
| CN104849847A (en) | Pocket dark-field gem microscope | |
| CN203147630U (en) | Optics diffuser plate of LED lamp | |
| CN204666528U (en) | A kind of petroleum products impurity detection device | |
| CN203981607U (en) | Foreign matter imaging device at the bottom of a kind of powder bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20190823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |