CN106783112A - A kind of dismountable voltage transformer - Google Patents
A kind of dismountable voltage transformer Download PDFInfo
- Publication number
- CN106783112A CN106783112A CN201710110046.2A CN201710110046A CN106783112A CN 106783112 A CN106783112 A CN 106783112A CN 201710110046 A CN201710110046 A CN 201710110046A CN 106783112 A CN106783112 A CN 106783112A
- Authority
- CN
- China
- Prior art keywords
- metal shell
- voltage transformer
- right half
- half part
- iron core
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- 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
- H01F27/02—Casings
-
- 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
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
Abstract
The invention provides a kind of dismountable voltage transformer, including：Metal shell, for accommodating transformer, including left-half and right half part；Iron core, in square shape, is placed in the center of the metal shell；First winding and Secondary Winding, correspond respectively to nexine and outer layer is wrapped on the iron core, and electrically isolated from one by insulation material layer；Many heat sink material rods, many heat sink material rods pass through the insulation material layer, and insert the jack respectively；Moulding material, is filled in the metal shell, and coats the iron core, first winding, Secondary Winding and heat sink material rod completely.
Description
Technical field
The present invention relates to the transformer of power domain, and in particular to a kind of dismountable voltage transformer.
Background technology
In power system, the signal needed for metering, measurement and the implementation relay protection of voltage is mostly mutual using electromagnetic type
Sensor is provided, and the problem that this transformer is present is that have that short circuit risk, weight weight, volume be big, secondary load reflection is sensitive, easily
Generation ferromagnetic resonance, also occurs that potential safety hazard when serious.At present, continuing to develop with intellectualized technology, power system is
Develop to networking, automation and digitlization direction, the input signal needed for secondary device has been significantly reduced, it is not necessary to Large Copacity
Secondary singal, therefore this traditional electromagnetic potential transformer is difficult to meet new technical requirements.In the urgent need to a kind of nothing
The good electronic mutual inductor of short circuit risk, small size, light weight, insensitive secondary load, stable performance, the linearity.
The need for being built with the development of digital transformer substation and intelligent grid, power system to measurement, protection, control and
Data transmission intelligent, the requirement more and more higher of automation, the electronic type voltage transformer for thus arising at the historic moment also turn into hot topic
Research object, in current medium voltage network, electronic type voltage transformer mostly use electric resistance partial pressure principle and capacitance-resistance voltage division principle,
The electronic type voltage transformer being designed with this principle, there is heat production efficiency high so that load capacity it is low (megaohm more than),
Precision is low, and particularly after a period of time is run, error information substantial deviation, more than accurate DBMS when dispatching from the factory, is not reached
The actual requirement of user.Additionally, sealed voltage transformer is difficult, with changing part and repairing, to be badly in need of the electricity that can conveniently dismantle
Pressure transformer.
The content of the invention
Based on above-mentioned transformer is solved the problems, such as, the invention provides a kind of dismountable voltage transformer housing, including：
Metal shell, for accommodating transformer, including left-half and right half part, the left-half and right half part can be with
Engaging forms the metal shell of closing completely, and left-half includes a side wall of metal shell, and right half part includes
The top surface of metal shell, bottom surface and three side walls, the side wall of the left-half and the side with left-half of right half part
There is N number of projection respectively, N number of projection has jack respectively, and N is the integer more than or equal to 4 on the relative side wall of wall.
Embodiments in accordance with the present invention, the left-half has the latch stretched out from its end, the right half part tool
There is the socket matched with the latch.
Present invention also offers a kind of dismountable voltage transformer, including：
Metal shell, for accommodating transformer, including left-half and right half part, the left-half and right half part can be with
Engaging forms the metal shell of closing completely, and left-half includes a side wall of metal shell, and right half part includes
The top surface of metal shell, bottom surface and three side walls, the side wall of the left-half and the side with left-half of right half part
There is N number of projection respectively, N number of projection has jack respectively, and N is the integer more than or equal to 4 on the relative side wall of wall.
Iron core, in square shape, is placed in the center of the metal shell；
First winding and Secondary Winding, correspond respectively to nexine and outer layer is wrapped on the iron core, and by insulating materials
Layer is electrically isolated from one；
Many heat sink material rods, many heat sink material rods pass through the insulation material layer, and insert the jack respectively
In；
Moulding material, is filled in the metal shell, and coats the iron core, first winding, Secondary Winding completely and dissipate
Hot material rod.
Embodiments in accordance with the present invention, the metal shell outside is additionally provided with two terminal boards, for drawing first winding
With the terminal of Secondary Winding.
Embodiments in accordance with the present invention, the material of the metal shell is copper or copper alloy etc..
Embodiments in accordance with the present invention, the insulation material layer is heat-conducting resin or silica gel of solidification etc..
Embodiments in accordance with the present invention, the heat sink material rod 4 or 8.
Embodiments in accordance with the present invention, the heat sink material rod is nonmetallic Heat Conduction Material.
Embodiments in accordance with the present invention, the heat sink material rod is heat-conducting plastic, thermal conductive ceramic or graphite etc..
Embodiments in accordance with the present invention, the iron core docks the square shape iron core to be formed using two C fonts.
Advantages of the present invention is as follows：
（1）Metal shell can carry out globality external cooling, improve radiating efficiency, and metal shell plays a part of shielding；
（2）Winding works long hours can produce substantial amounts of heat, and use good heat dispersion performance insulator separation first winding and
Secondary Winding can effectively transmit heat；
（3）Heat sink material rod insertion insulating barrier can take away heat to housing, it is to avoid the temperature influence on winding and iron core；
（4）Metal shell is that two parts match and form, it is easy to disassemble and change heat-radiating rod and other parts.
Brief description of the drawings
Fig. 1 is the sectional view of the transformer with radiating subassembly of the invention；
Fig. 2 is the side view of windings section of the invention；
Fig. 3 is the sectional view of the left-half of metal shell of the invention；
Fig. 4 is the right view of the left-half of metal shell of the invention.
Specific embodiment
Referring to Fig. 1, dismountable voltage transformer housing of the invention, including：
Metal shell, for accommodating transformer, including left-half 1b and right half part 1a, the left-half 1b and right side
Dividing 1a can completely engage the metal shell to form closing, and left-half 1b includes a side wall of metal shell, right
The top surface of half part 1a including metal shell, bottom surface and three side walls, the side wall of the left-half and right half part with
There is N number of projection 10,13 respectively, N number of projection 10,13 has jack respectively on the relative side wall of the side wall of left-half
14, N is the integer more than or equal to 4.The left-half 1b has the latch 12 stretched out from its end, the right half part 1a
With the socket matched with the latch 12（Referring to Fig. 3,4）；
Iron core 2, in square shape, is placed in the center of the metal shell, and the iron core docks what is formed using two C fonts
Square shape iron core；
First winding 3 and Secondary Winding 4, correspond respectively to nexine and outer layer is wrapped on the iron core 2, and by insulation material
The bed of material 9 is electrically isolated from one；
Many heat sink material rods 6b, many heat sink material rods 6b pass through the insulation material layer 9, and insert respectively described
In jack 14；
Moulding material 5, is filled in the metal shell, and coats the iron core 2, first winding 3, Secondary Winding 4 completely
With heat sink material rod 6b.
Wherein, the outside of the metal shell 2 is additionally provided with two terminal boards（It is not shown）, for drawing first winding 3 and two
The terminal of secondary winding 4.The material of the metal shell is the thermal diffusivity metals such as copper or copper alloy.The insulation material layer 9 is solid
Heat-conducting resin or silica gel of change etc..
Particularly, the heat radiation material layer 6a and heat sink material rod 6b be material of the same race, the heat radiation material layer 6a and dissipate
Hot material rod 6b is nonmetallic Heat Conduction Material, for example, can be heat-conducting plastic, thermal conductive ceramic or graphite etc.；Can be with referring to Fig. 2
See, heat sink material rod 6b rings are distributed in the periphery of the first winding 3, and first winding has a coiling 7, Secondary Winding have around
Line 8.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to implementation method.For those of ordinary skill in the field, can also do on the basis of the above description
Go out the change or variation of other multi-forms.There is no need and unable to be exhaustive to all of implementation method.And thus drawn
Obvious change that Shen goes out or among changing still in protection scope of the present invention.
Claims (10)
1. a kind of dismountable voltage transformer housing, including：
Metal shell, for accommodating transformer, including left-half and right half part, the left-half and right half part can be with
Engaging forms the metal shell of closing completely, and left-half includes a side wall of metal shell, and right half part includes
The top surface of metal shell, bottom surface and three side walls, the side wall of the left-half and the side with left-half of right half part
There is N number of projection respectively, N number of projection has jack respectively, and N is the integer more than or equal to 4 on the relative side wall of wall.
2. dismountable voltage transformer housing according to claim 1, it is characterised in that：The left-half have from
The latch that its end is stretched out, the right half part has the socket matched with the latch.
3. a kind of dismountable voltage transformer, including：
Metal shell, for accommodating transformer, including left-half and right half part, the left-half and right half part can be with
Engaging forms the metal shell of closing completely, and left-half includes a side wall of metal shell, and right half part includes
The top surface of metal shell, bottom surface and three side walls, the side wall of the left-half and the side with left-half of right half part
There is N number of projection respectively, N number of projection has jack respectively, and N is the integer more than or equal to 4 on the relative side wall of wall；
Iron core, in square shape, is placed in the center of the metal shell；
First winding and Secondary Winding, correspond respectively to nexine and outer layer is wrapped on the iron core, and by insulating materials
Layer is electrically isolated from one；
Many heat sink material rods, many heat sink material rods pass through the insulation material layer, and insert the jack respectively
In；
Moulding material, is filled in the metal shell, and coats the iron core, first winding, Secondary Winding completely and dissipate
Hot material rod.
4. dismountable voltage transformer according to claim 3, it is characterised in that：The metal shell outside is additionally provided with
Two terminal boards, the terminal for drawing first winding and Secondary Winding.
5. dismountable voltage transformer according to claim 3, it is characterised in that：The material of the metal shell is copper
Or copper alloy etc..
6. dismountable voltage transformer according to claim 3, it is characterised in that：The insulation material layer is solidification
Heat-conducting resin or silica gel etc..
7. dismountable voltage transformer according to claim 3, it is characterised in that：The heat sink material rod 4 or 8.
8. dismountable voltage transformer according to claim 7, it is characterised in that：The heat sink material rod is nonmetallic
Heat Conduction Material.
9. dismountable voltage transformer according to claim 8, it is characterised in that：The heat sink material rod is moulded for heat conduction
Material, thermal conductive ceramic or graphite etc..
10. dismountable voltage transformer according to claim 3, it is characterised in that：The iron core uses two C fonts
Dock the square shape iron core for being formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110046.2A CN106783112B (en) | 2017-02-28 | 2017-02-28 | A kind of dismountable voltage transformer |
| PCT/CN2017/084421 WO2018157472A1 (en) | 2017-02-28 | 2017-05-15 | Detachable voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110046.2A CN106783112B (en) | 2017-02-28 | 2017-02-28 | A kind of dismountable voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106783112A true CN106783112A (en) | 2017-05-31 |
| CN106783112B CN106783112B (en) | 2018-12-18 |
Family
ID=58959074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710110046.2A Active CN106783112B (en) | 2017-02-28 | 2017-02-28 | A kind of dismountable voltage transformer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106783112B (en) |
| WO (1) | WO2018157472A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261374A (en) * | 2020-03-26 | 2020-06-09 | 河北中开明泰电气设备有限公司 | Environment-friendly intelligent mutual inductor and mutual inductor compensation method |
| CN111370203A (en) * | 2020-03-06 | 2020-07-03 | 广东得为科技有限公司 | Voltage transformer with high IP protection level |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202523508U (en) * | 2012-04-25 | 2012-11-07 | 华为技术有限公司 | Magnetic device assembly of power module and power module |
| EP2631921A1 (en) * | 2012-02-22 | 2013-08-28 | Kollmorgen AB | Transformer arrangement |
| CN104240930A (en) * | 2014-09-18 | 2014-12-24 | 江苏科兴电器有限公司 | Special three-phase voltage transformer with protective device for solid ring network cabinet |
| CN205810562U (en) * | 2016-05-19 | 2016-12-14 | 中科电力装备（安徽）智能化科技有限公司 | A kind of stable type voltage transformer housing |
| CN106384646A (en) * | 2016-11-18 | 2017-02-08 | 戴丽芬 | Transformer with built-in heat radiation structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003347129A (en) * | 2002-05-24 | 2003-12-05 | Minebea Co Ltd | Surface-mounted coil |
| CN201036147Y (en) * | 2007-04-13 | 2008-03-12 | 大连北方互感器有限公司 | Voltage mutual inductor for gas insulation high-tension switch cabinet |
| CN102044333A (en) * | 2009-10-12 | 2011-05-04 | 大连泰克电气有限公司 | Special insulated protection shell of mutual inductor |
| CN205487720U (en) * | 2016-01-17 | 2016-08-17 | 国网山东省电力公司巨野县供电公司 | Just, mutual -inductor shell of dismantling |
| CN105845323B (en) * | 2016-05-24 | 2017-08-15 | 重庆华虹仪表有限公司 | Low voltage mutual inductor housing |
-
2017
- 2017-02-28 CN CN201710110046.2A patent/CN106783112B/en active Active
- 2017-05-15 WO PCT/CN2017/084421 patent/WO2018157472A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2631921A1 (en) * | 2012-02-22 | 2013-08-28 | Kollmorgen AB | Transformer arrangement |
| CN202523508U (en) * | 2012-04-25 | 2012-11-07 | 华为技术有限公司 | Magnetic device assembly of power module and power module |
| CN104240930A (en) * | 2014-09-18 | 2014-12-24 | 江苏科兴电器有限公司 | Special three-phase voltage transformer with protective device for solid ring network cabinet |
| CN205810562U (en) * | 2016-05-19 | 2016-12-14 | 中科电力装备（安徽）智能化科技有限公司 | A kind of stable type voltage transformer housing |
| CN106384646A (en) * | 2016-11-18 | 2017-02-08 | 戴丽芬 | Transformer with built-in heat radiation structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370203A (en) * | 2020-03-06 | 2020-07-03 | 广东得为科技有限公司 | Voltage transformer with high IP protection level |
| CN111370203B (en) * | 2020-03-06 | 2021-10-26 | 湖北天瑞电子股份有限公司 | Voltage transformer with high IP protection level |
| CN111261374A (en) * | 2020-03-26 | 2020-06-09 | 河北中开明泰电气设备有限公司 | Environment-friendly intelligent mutual inductor and mutual inductor compensation method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018157472A1 (en) | 2018-09-07 |
| CN106783112B (en) | 2018-12-18 |
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