CN206038572U - Dry -type transformer winding material detection device based on ray - Google Patents
Dry -type transformer winding material detection device based on ray Download PDFInfo
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- CN206038572U CN206038572U CN201621005067.5U CN201621005067U CN206038572U CN 206038572 U CN206038572 U CN 206038572U CN 201621005067 U CN201621005067 U CN 201621005067U CN 206038572 U CN206038572 U CN 206038572U
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- dry
- type transformer
- ray
- winding
- radiographic source
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
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- 206010020741 Hyperpyrexia Diseases 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a dry -type transformer winding material detection device based on ray, including gamma ray source (1), detector (2), control module (3) and output module (4), the ray window of gamma ray source (1) arranges and arranges in the winding opposite side of dry -type transformer (5) detected in winding one side, detector (2) of dry -type transformer (5) detected that output and control module (3) of detector (2) link to each other that output and output module (4) of control module (3) link to each other. The utility model has the advantages of need not to disassemble dry -type transformer, simply easy -to -use, do not receive place and equipment constraints, detection fast.
Description
Technical field
This utility model is related to dry-type transformer winding material intelligent testing technology, and in particular to a kind of based on the dry of ray
Formula Transformer Winding wood properly test device.
Background technology
In recent years, due to rapid development of economy, the continuous improvement of Dry-Transformer Technology, although dry-type transformer cost
Height, but compared with oil-filled transformer, it has small volume, easy for installation, safeguards simple, and safety net distance is little, has a safety feature
Many advantages, such as.The manufacture material of dry-type transformer, substantially using fire retardant matter.The insulant such as the glass fibre of wound around coil
With good self extinguishment characteristics, electric arc will not be produced because of short circuit, resin will not produce toxic gas, coil outer layer tree under hyperpyrexia
Lipid layer is thin, perfect heat-dissipating.The iron core of transformator adopts high-quality silicon steel sheet, through cutting out the core limb for building up stepped profile
(yoke), stem are connected into 450 with yoke seam, it is possible to decrease open circuit loss.Dry-type transformer is poured with epoxy resin encapsulating structure, is had
The characteristics of having moistureproof, dust-proof, the temperature rise of coil is 100k-120k, and temperature classification is F- hour levels, life of product 30 years with
On.The low pressure winding of dry-type transformer adopts Copper Foil coiling, it is possible to decrease axial short-circuit impact power, and layer insulation is F level semi-solid preparations
Insulant, coil outer layer are encapsulated with glass fiber reinforced resin, with the very strong ability for bearing short circuit.High pressure winding is straight
Connect and surround in low pressure winding, wire adopts hour level enamel covered wire, using drum-type structure, be in line under Impulse Voltage
Property distribution, so with good shock resistance voltage characteristic.Between high-voltage winding layer and outer layer with glass fiber wind, solidification
There are mechanical strength well axially and radially, thermal shock good stability afterwards.Can need by radiating in high pressure winding, arrange single
Individual or multiple axial cooling ducts are improving the distribution of its temperature.
The safe operation of dry-type transformer and service life are determined by the reliability of winding.Winding temperature
Degree is exceeded to cause transformator to break down and damage, the problems such as winding is not good to cause load loss to be crossed, the high life declines, this
It is a little all directly related with winding material.But, as dry-type transformer outer layer is using the insulant sealings such as glass fibre, coil
Material directly can not be detected, therefore part producer, in order to reduce production cost, employs aluminum winding to replace copper at present
Matter winding, and the material of winding coil cannot be differentiated by the conventional test such as test such as idling load, no-load voltage ratio, part
Unit is to detect sealing and the winding material inside insulant, even with destructive detection.
Utility model content
The technical problems to be solved in the utility model：For the problems referred to above of prior art, there is provided one kind need not be disassembled dry
Formula transformator, the dry-type transformer winding material based on ray easy to use, not receiving place and equipment limit, detection speed fast
Detection means.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of dry-type transformer winding wood properly test device based on ray, including radiographic source, detector, control module and
Output module, the radiogenic ray window are arranged in the winding side of detected dry-type transformer, the detector cloth
The winding opposite side of detected dry-type transformer is placed in, the outfan of the detector is connected with control module, the control
The outfan of module is connected with output module.
Preferably, rays protection screening cover is additionally provided with the radiogenic ray window, the rays protection screening cover is wrapped in be penetrated
The outside of the ray window of line source, the winding of detected dry-type transformer.
Preferably, the output module is that display output equipment or voice output module or communication module or printing set
Standby, or data interface module.
Preferably, the radiographic source be x-ray source orβRadiographic source orγRadiographic source.
This utility model detected to dry-type transformer winding material using ray principle, can clearly show that material is
, so as to find the whether satisfactory detection means of material, tool has the advantage that for copper or aluminum, contrast design or technical protocol：
1st, this utility model belongs to dry-type transformer winding wood properly test technology of the scene based on ray, without the need for becoming to dry type
Depressor winding is disassembled just can be to the material species detection inside winding, to winding after can only disassembling in solving actual production
Material carries out mechanics detection, and the difficult point that can not be detected to winding material in the case of lossless body, the method and sets
It is standby easy to use, solve a difficult problem for dry-type transformer winding material quality surveillance detection in distribution net equipment.
2nd, this utility model simplifies conventional winding test condition and requirement, using when do not receive place and equipment limit,
The winding wood properly test requirement of different model dry-type transformer can be met.
3rd, this utility model can just complete once to examine to the dry-type transformer winding wood properly test a few minutes based on ray
Survey, can be detected to scene with portable mobile, it is simple and effective.
Description of the drawings
Theory structure schematic diagrams of the Fig. 1 for this utility model embodiment device.
Specific embodiment
The step of Method And Principle of the present embodiment based on the dry-type transformer winding wood properly test device of ray, includes：
1）Emitting radiation is sent in the winding side of the dry-type transformer being detected, while in the dry-type transformer being detected
Winding opposite side by detector detect emitting radiation through being detected dry-type transformer winding after energy；
2）Judge to be detected according to the emitting radiation energy variation before and after the winding for passing through the dry-type transformer being detected
Dry-type transformer winding material.
Using dry-type transformer winding wood properly test method of the present embodiment based on ray, can be to dry-type transformer winding
Detected, recognized that the winding material of the dry-type transformer being detected is copper or aluminum, contrast design or technical protocol are so as to being found
The whether satisfactory detection means of material.
In the present embodiment, step 2）Detailed step include：
2.1）Obtain the emitting radiation energy variation amount before and after the winding of the dry-type transformer being detected；
2.2）Emitting radiation energy variation amount and copper or the corresponding emitting radiation energy variation amount threshold value of aluminum are compared,
If the corresponding emitting radiation energy variation amount threshold value of the flux matched copper of emitting radiation energy variation, judge that detected dry type becomes
The winding material of depressor is copper；If the corresponding emitting radiation energy variation amount threshold value of the flux matched aluminum of emitting radiation energy variation,
Then judge the winding material of detected dry-type transformer as aluminum.
It should be noted that the present embodiment step 1）In emitting radiation be X-ray, certainly, the present embodiment step
1）In emitting radiation can also adopt as neededβRay orγRay, its principle are identical with the present embodiment.
As shown in figure 1, the present embodiment based on the dry-type transformer winding wood properly test device of ray include radiographic source 1,
Detector 2, control module 3 and output module 4, the ray window of radiographic source 1 are arranged in the winding of detected dry-type transformer 5
Side, detector 2 are arranged in the winding opposite side of detected dry-type transformer 5, the outfan of detector 2 and control module 3
It is connected, the outfan of control module 3 is connected with output module 4.In the present embodiment, radiographic source 1 is x-ray source, additionally, ray
Source 1 can also adopt as neededβRadiographic source orγRadiographic source, now then the detection circuit of detector 2 then needs correspondence employingβ
Ray orγThe corresponding detection circuit of ray.It should be noted that due to X-ray,βRay,γThe detection circuit of ray is
Available circuit, therefore particular circuit configurations here is no longer illustrated.The ray window of radiographic source 1 releases X-ray, and the test X of detector 2 is penetrated
Energy of the line after the winding of dry-type transformer 5, and the live signal of acquisition is amplified, conversion process, by obtain
Real time analogue signals are transferred to control module 3, and the parameter of the output of 3 pick-up probe of control module 2, at the parameter of acquisition
Reason, calculates corresponding numerical value and is differentiated, determine material species and Jing output modules 4 are exported, judge whether winding material accords with
Close design or technical protocol is required；In addition it is also possible to the dry-type transformer winding material based on ray for passing through the present embodiment is examined
The output module 4 for surveying device directly exports energy of the X-ray after the winding of dry-type transformer 5, by will manually radiate
Ray energy variable quantity and copper or the corresponding emitting radiation energy variation amount threshold value of aluminum are compared, if emitting radiation energy quantitative change
Change the corresponding emitting radiation energy variation amount threshold value of flux matched copper, then judge the winding material of detected dry-type transformer as
Copper；If the corresponding emitting radiation energy variation amount threshold value of the flux matched aluminum of emitting radiation energy variation, judge that what is be detected does
The winding material of formula transformator is aluminum.Therefore, the dry-type transformer winding wood properly test device based on ray of the present embodiment
Enforcement is not rely on the dry-type transformer winding wood properly test method based on ray of aforementioned the present embodiment.
In the present embodiment, rays protection screening cover 11 at the ray window of radiographic source 1, is additionally provided with, rays protection screening cover 11 is wrapped in be penetrated
The outside of the ray window of line source 1, the winding of detected dry-type transformer 5.At the trial, the ray window of radiographic source 1, penetrate
The axle center of line radome 11, detector 2 should point-blank, and rays protection screening cover 11 is made using lead, in test process
In the ray channel of radiographic source 1 is protected, prevent the accuracy for affecting the detection of detector 2 of the problems such as scattering.This enforcement
In example, 11 one end of rays protection screening cover is placed on the ray window of radiographic source 1, it is ensured which is brought into close contact the ray window of radiographic source 1,
The other end cannot be greater than 100mm near dry-type transformer 5, rays protection screening cover 11 with the distance of dry-type transformer 5.
In the present embodiment, output module 4 is display output equipment, and preferably adopts hand-held display output equipment, so as to
In onsite application.Additionally, output module 4 can also be set using voice output module or communication module or printing as needed
Standby, or data interface module etc., can also equally realize the output of testing result.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (4)
1. a kind of dry-type transformer winding wood properly test device based on ray, it is characterised in that：Including radiographic source（1）, detection
Device（2）, control module（3）And output module（4）, the radiographic source（1）Ray window be arranged in detected dry type transformation
Device（5）Winding side, the detector（2）It is arranged in detected dry-type transformer（5）Winding opposite side, the detection
Device（2）Outfan and control module（3）It is connected, the control module（3）Outfan and output module（4）It is connected.
2. the dry-type transformer winding wood properly test device based on ray according to claim 1, it is characterised in that：It is described
Radiographic source（1）Ray window at be additionally provided with rays protection screening cover（11）, the rays protection screening cover（11）It is wrapped in radiographic source（1）'s
Ray window, detected dry-type transformer（5）Winding outside.
3. the dry-type transformer winding wood properly test device based on ray according to claim 1, it is characterised in that：It is described
Output module（4）For display output equipment or voice output module or communication module or printing device or data-interface mould
Block.
4. the dry-type transformer winding wood properly test device based on ray according to claim 1, it is characterised in that：It is described
Radiographic source（1）For x-ray source orβRadiographic source orγRadiographic source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005067.5U CN206038572U (en) | 2016-08-31 | 2016-08-31 | Dry -type transformer winding material detection device based on ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005067.5U CN206038572U (en) | 2016-08-31 | 2016-08-31 | Dry -type transformer winding material detection device based on ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038572U true CN206038572U (en) | 2017-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005067.5U Active CN206038572U (en) | 2016-08-31 | 2016-08-31 | Dry -type transformer winding material detection device based on ray |
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| Country | Link |
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| CN (1) | CN206038572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338530A (en) * | 2016-08-31 | 2017-01-18 | 国家电网公司 | Ray-based dry type transformer winding material detection method and device |
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2016
- 2016-08-31 CN CN201621005067.5U patent/CN206038572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338530A (en) * | 2016-08-31 | 2017-01-18 | 国家电网公司 | Ray-based dry type transformer winding material detection method and device |
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| GR01 | Patent grant |