CN208706367U - A kind of improved high-power AC testing transformer - Google Patents
A kind of improved high-power AC testing transformer Download PDFInfo
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- CN208706367U CN208706367U CN201821435951.1U CN201821435951U CN208706367U CN 208706367 U CN208706367 U CN 208706367U CN 201821435951 U CN201821435951 U CN 201821435951U CN 208706367 U CN208706367 U CN 208706367U
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- iron core
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Abstract
The utility model relates to electrical equipment technical fields, particularly relate to a kind of improved high-power AC testing transformer, including shell, iron core, chassis, the shell upper and lower side is respectively equipped with grading shield and chassis, and seal gasket is equipped at the sealing of the grading shield and chassis and shell, and the interior of shell is equipped with iron core, the iron core is fixed on chassis, coil is enclosed on the iron core, the interior of shell is marked with transformer insulation oil, is equipped with control module at the top of the grading shield.Compared with prior art, the utility model has the beneficial effects that structure is simple, small in volume the utility model discloses a kind of improved high-power AC testing transformer, easy to use, high reliablity.
Description
Technical field
The utility model relates to electrical equipment technical fields, particularly relate to a kind of improved high-power ac test transformation
Device.
Background technique
Improved high-power alternating current-direct current testing transformer, using completely new power electronic devices, using high-performance frequency control
Device, product generate after numerous studies are improved on the basis of former similar product according to electromechanical portion " testing transformer " standard
The high-power light-duty alternating current-direct current HT testing transformer of series, a kind of novel product generated after improving, this series of products
With the features such as small in size, light-weight, compact-sized, multiple functional, versatile and easy to use, especially suitable for power train
System, industrial and mining enterprises, scientific research department etc. carry out power frequency or high direct voltage to various high voltage electric equipments, electrical component, insulating materials
Under dielectric(al) test, be essential important equipment in high-potting.
Utility model content
The utility model discloses a kind of improved high-power AC testing transformers, and structure is simple, small in volume,
It is easy to use, high reliablity.
The utility model is achieved through the following technical solutions:
A kind of improved high-power AC testing transformer, including shell, iron core, chassis, the shell upper and lower side difference
Equipped with grading shield and chassis, seal gasket is equipped at the sealing of the grading shield and chassis and shell, the interior of shell is equipped with
Iron core, the iron core are fixed on chassis, and coil is enclosed on the iron core, and the interior of shell is marked with transformer insulation oil,
Control module is equipped at the top of the grading shield.
Preferably, embedded software, automatic digital formula current protective device, the automatic number are equipped in the control module
Word formula current protective device special configuration acoustooptic alarm system and overcurrent, over-pressure safety device.
Preferably, the seal gasket uses the fluorubber of aeronautical technology production.
Preferably, the iron core is designed using formula is slept, and uses high-quality Nippon Steel's silicon steel sheet material.
Preferably, the shell is wound using roving, constant temperature coiling with pressure.
Preferably, the coil uses high-tension coil, and uses pagoda structure.
Compared with prior art, the utility model has the beneficial effects that
The utility model has the characteristics of high degree of automation, strong antijamming capability；The utility model is advanced using import
Device fabrication, significantly mitigation volume weight, detection is quick, high reliablity；The utility model iron core uses high-quality Nippon Steel's silicon steel
Piece, iron loss is low, and magnetic induction intensity is high, and punching is good, and using formula design is slept, improves product shake-proof ability, it is special that inside is marked with 25#
With transformer insulation oil, is filtered by 3 high-temperature vacuums, using 7 antiseep mechanism of MIN import novel seal rubber mat, make product
Insulating properties is stronger, longer life expectancy, durable；The utility model prepares HONEYWELL automatic digital formula overcurrent protection,
Special configuration acoustooptic alarm system, overcurrent, over-pressure safety device, time computing function is complete, small in size, light-weight,
It is easy to use, it is more suitable for using under live mal-condition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, control module；2, grading shield；3, shell；4, coil；5, iron core；6, chassis；7, seal gasket.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing:
A kind of improved high-power AC testing transformer, including shell 3, iron core 5, chassis 6,3 upper and lower side of shell
It is respectively equipped with grading shield 2 and chassis 6, seal gasket 7 is equipped at the sealing of the grading shield 2 and chassis 6 and shell 3, it is described outer
Iron core 5 is equipped with inside shell 3, the iron core 5 is fixed on chassis 6, coil 4 is enclosed on the iron core 5, inside the shell 3
It is marked with transformer insulation oil, is equipped with control module 1 at the top of the grading shield 2.
Embedded software, automatic digital formula current protective device, the automatic digital formula electricity are equipped in the control module 1
Flow protective device special configuration acoustooptic alarm system and overcurrent, over-pressure safety device.
The fluorubber that the seal gasket 7 is produced using aeronautical technology.
The iron core 5 is designed using formula is slept, and uses high-quality Nippon Steel's silicon steel sheet material.
The shell 3 is wound using roving, constant temperature coiling with pressure, high density, and limiting leakage electric current is small and nonhygroscopic.
The coil 4 uses high-tension coil, and uses pagoda structure, to prevent coil because of vacuum drying or discharge test over the ground
The loosening occurred afterwards, using special technique for coiling, end uses oil duct compressing structure, to prevent the sliding vibration of coil.
Principle: product designs the knot of metering module element by Theoretical Design, process modification and detection, product trial operation
Structure, including the coupling diameter between winding, shell 3, which is made, cooperates preferable octagonal structure with iron core 5, is determined by optimization design
Module and insulation material technology formula.Iron core 5 is " mouth " font, and be horizontally arranged is stem up and down, and left and right is yoke column, upper and lower stem
It is respectively arranged with two high-tension coils 4 and low-voltage coil 4, high-tension coil 4 is in parallel with low-voltage coil 4, in order to make coil 4 be installed in parallel peace
The D.C. resistance of control coil 4 is reliably needed entirely, and reactance value, the number of turns, insulation thickness etc. manufacture coil 4 to control this parameter
More stringent requirements are proposed, to error between the strict controls such as forward and backward coil turn, diameter, width, density, paper when coiling,
Ensure that the parameter of the superior and the subordinate's coil 4 is accurate.It is equipped with grading shield 2 at the top of the utility model insulation crust 3, plays inhibition corona
Effect；Using Encryption Design, test process is earth-free, and whole device is not run, and greatly improves safety；Pass through control module 1
It is protected using power electronics, improves the reliability in test；Using automatic control technology, interference free performance is improved；Voltage rating
Current testing, pre- anti-overvoltage, overcurrent guarantee the safety of the person with equipment.
Embedded software control technology in the control module 1 of the utility model realizes high degree of automation, anti-interference ability
Strong feature；The utility model uses swift electron protection technique, is manufactured using import sophisticated equipment, significantly mitigation volume weight
Amount, detection is quick, high reliablity；Iron core 5 uses high-quality Nippon Steel's silicon steel sheet, and iron loss is low, and magnetic induction intensity is high, and punching is good,
And using formula design is slept, product shake-proof ability is improved, inside is marked with 25# dedicated transformer insulating oil, by 3 high-temperature vacuum mistakes
Filter, using 7 antiseep mechanism of MIN import novel seal rubber mat, keeps product insulating properties stronger, longer life expectancy is durable；This production
Product prepare HONEYWELL automatic digital formula overcurrent protection, special configuration acoustooptic alarm system, overcurrent, overvoltage protection
Device, time computing function is complete, small in size, light-weight, easy to use, is more suitable for using under live mal-condition；This
Utility model is designed using high reliability circuit protection, and coil 4 uses special technique for coiling, and end compresses knot using oil duct
Structure, therefore the current density of winding conducting wire is dropped to < 2.0/m ㎡；The fluorubber that seal gasket 7 is produced using aeronautical technology, wear-resisting,
Heatproof, pressure resistance, tensile strength is high, elongation rate of tensile failure >=200, air compression set≤35, permanent rate≤50 of immersion oil.
The utility model functional characteristics: high pressure, voltage, low-tension current direct-reading, combined floodgate, timing, overvoltage, sound-light alarm electricity
Pressure, current protection setting, the setting of pressure test time, especially invention devise automatic digital formula overcurrent protection, are more than
National standard DL/T848.2-2004, high-pressure test device general technical specifications, Power Frequency High Voltage Test device, technical performance are filled up
Domestic blank.
The above only expresses the embodiments of the present invention, and the description thereof is more specific and detailed, but can not be because
This and be interpreted as that a limitation on the scope of the patent of the present invention, within the spirit and principle of the utility model, made
What modification, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model, the guarantor of the utility model patent
Shield range should be determined by the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435951.1U CN208706367U (en) | 2018-09-03 | 2018-09-03 | A kind of improved high-power AC testing transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821435951.1U CN208706367U (en) | 2018-09-03 | 2018-09-03 | A kind of improved high-power AC testing transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208706367U true CN208706367U (en) | 2019-04-05 |
Family
ID=65945883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821435951.1U Expired - Fee Related CN208706367U (en) | 2018-09-03 | 2018-09-03 | A kind of improved high-power AC testing transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208706367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267524A (en) * | 2021-12-23 | 2022-04-01 | 扬州华电电气有限公司 | Test transformer suitable for multifrequency |
-
2018
- 2018-09-03 CN CN201821435951.1U patent/CN208706367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267524A (en) * | 2021-12-23 | 2022-04-01 | 扬州华电电气有限公司 | Test transformer suitable for multifrequency |
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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: 20190405 |