CN107833736A - A kind of Combined high-voltage current transformer - Google Patents
A kind of Combined high-voltage current transformer Download PDFInfo
- Publication number
- CN107833736A CN107833736A CN201711117114.4A CN201711117114A CN107833736A CN 107833736 A CN107833736 A CN 107833736A CN 201711117114 A CN201711117114 A CN 201711117114A CN 107833736 A CN107833736 A CN 107833736A
- Authority
- CN
- China
- Prior art keywords
- current transformer
- temperature sensor
- transformer body
- installing space
- combined high
- 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
Links
- 230000003068 static effect Effects 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 20
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000004224 protection Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01F38/28—Current transformers
- H01F38/30—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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
Abstract
The invention discloses a kind of Combined high-voltage current transformer.Specifically, the Combined high-voltage current transformer includes：One-time contact component, current transformer body, base, an outlet terminal, secondary outlet terminal and temperature sensor, one-time contact component, thermometric and Current Mutual Inductance are become one, the security of high-tension current inductor operation is improved, or even improves the safe operation rank of high-tension switch cabinet.
Description
Technical field
The present invention relates to high pressure equipment for power transmission and distribution field, more particularly to a kind of Combined high-voltage current transformer.
Background technology
In the circuit of high voltage supply, Current Voltage is all higher, if direct measurement is breakneck.For ease of secondary
Instrument measurement needs to be converted to the unified Current Voltage of comparison, plays a part of variable flow and variable pressure and electrical isolation using transformer.
Transformer is also known as instrument transformer, is the general designation of current transformer and voltage transformer.High voltage can be become to low-voltage, big
Electric current becomes low current, for measuring or protecting system.Its function is mainly by high voltage or high current scaling transformation into mark
Quasi- low-voltage (100V) or standard small electric current (5A or 1A, refer both to rated value), to realize measuring instrumentss, protection equipment and automatic
Standardization, the miniaturization of control device.Transformer may further be used to separate high-voltage system simultaneously, to ensure the peace of the person and equipment
Entirely.
Power system is by electrical network high voltage, the information transmission of high current to low-voltage, low current secondary side with transformer
Metering, measuring instrumentss and relay protection, a kind of special transformer of automatics, be primary system and electrical secondary system contact
Element, its first winding access power network, secondary winding interconnect with measuring instrumentss, protection device etc. respectively.Transformer is with surveying
Measure instrument and metering device coordinates, the voltage, electric current and electric energy of primary system can be measured；Match somebody with somebody with relay protection and automatics
Close, may be constructed to the electic protections of the various failures of power network and automatically control.
In high-tension switch cabinet primary circuit structure setting, one-time contact box and high-tension current inductor are independent device respectively
Part, inevitably occurs loosening in the process of running or the hidden danger such as loose contact, has had a strong impact on high-tension current inductor, has been
To the reliability service of whole high-tension switch cabinet, and high-voltage contact box can not determine grasp one-time contact in time in day-to-day operation
, certain potential safety hazard be present in box and high-tension current inductor actual operating state.
The content of the invention
The invention aims to improve the security of high-tension current inductor operation, there is provided a kind of combined type mutual inductance
Device.
To achieve the above object, the invention provides following scheme：
A kind of Combined high-voltage current transformer, the Combined high-voltage current transformer include one-time contact component, electricity
Current transformer body, base, an outlet terminal, secondary outlet terminal and temperature sensor；
The current input terminal of the primary winding of the current transformer body is connected with the one-time contact component, the electricity
The current output terminal of the primary winding of current transformer body is connected with an outlet terminal；The current transformer body
Secondary coil output end is connected with the secondary outlet terminal；
The base is arranged at the bottom of the current transformer body and the one-time contact component, the secondary outgoing line
Terminal is arranged on the base；
The one-time contact component, current transformer body, base, an outlet terminal and secondary outlet terminal composition ring
Oxygen cast is overall；
Installing space is provided with the base, the temperature sensor is arranged in the installing space.
Optionally, the current transformer body includes primary winding and secondary coil and high-voltage insulation layer, described secondary
Coil is arranged at the outside of the primary winding, the high-voltage insulation layer be arranged at the primary winding and the secondary coil it
Between.
Optionally, the one-time contact component includes stationary contact head cartridge, static contact mounting seat and static contact, the stationary contact head cartridge
It is each attached to the static contact mounting seat on the current transformer body, and the static contact mounting seat and the electric current are mutual
The input connection of the primary winding of sensor body, the static contact is arranged in the static contact mounting seat, and with it is described quiet
Contact mounting seat connects, and the stationary contact head cartridge is set in the outside of the static contact mounting seat.
Optionally, the installing space set in the base includes the first installing space and the second installing space, and described the
One installing space contacts setting with the stationary contact head cartridge；Second installing space is set with the current transformer body contacts
Put；The temperature sensor includes the first temperature sensor and second temperature sensor, and first temperature sensor is arranged at
In first installing space, for measuring temperature in the stationary contact head cartridge, the second temperature sensor is arranged at described
In two installing spaces, the temperature of the secondary coil for measuring the current transformer body.
Optionally, epoxy resin insulating layers are provided between first temperature sensor and the stationary contact head cartridge；It is described
Epoxy resin insulating layers are provided between second temperature sensor and the current transformer body.Optionally, it is described once to go out
Line terminals are rectangular copper bar.
Optionally, the temperature sensor is passive wireless temperature sensor, and the passive wireless temperature sensor is used for
Detection temperature signal, and the temperature signal is transmitted by the way of passive and wireless.
According to specific embodiment provided by the invention, the invention discloses following technique effect：
The invention discloses a kind of Combined high-voltage current transformer, the Combined high-voltage current transformer will be touched once
Head assembly summation current transformer Ontology integration is integrated, and avoids high-tension current inductor and the pine of contact box in the process of running
It is dynamic, while the operation conditions of temperature sensor detection one-time contact component summation current transformer body is set, it ensure that high-tension electricity
The secure safety of current transformer operation, improves the security of current transformer operation, further increases high-tension switch cabinet
Safe operation rank.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, accompanying drawing required in embodiment will be briefly described below.
It is clear that drawings discussed below is only one embodiment of the present of invention, for those of ordinary skill in the art,
On the premise of not paying creative work, other accompanying drawings can also be obtained according to this accompanying drawing.
Fig. 1 is a kind of left view of Combined high-voltage current transformer provided by the invention；
Fig. 2 is a kind of front view of Combined high-voltage current transformer provided by the invention.
Embodiment
It is an object of the invention to provide a kind of Combined high-voltage current transformer, to improve high-tension current inductor operation
Security.
To enable above-mentioned purpose of the present invention, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and specific implementation
Mode is described in further detail to this technology invention.
As illustrated in fig. 1 and 2, the invention provides a kind of Combined high-voltage current transformer, the combined high-tension current
Transformer includes one-time contact component 1, current transformer body 2,3, outlet terminals 4 of base, secondary outlet terminal 5 and temperature
Spend sensor 6；
The current input terminal of the primary winding of the current transformer body 2 is connected with the one-time contact component 1, described
The current output terminal of the primary winding of current transformer body 2 is connected with an outlet terminal 4；The current transformer sheet
The secondary coil output end of body 2 is connected with the secondary outlet terminal 5；
The base 3 is arranged at the bottom of the current transformer body 2 and the one-time contact component 1, described secondary
Outlet terminal 5 is arranged on the base；
The one-time contact component 1, current transformer body 2,3, outlet terminals 4 of base and secondary outlet terminal 5
It is overall to form epoxy casting；
Installing space is provided with the base 3, the temperature sensor 6 is arranged in the installing space.
Optionally, the current transformer body 2 includes primary winding and secondary coil and high-voltage insulation layer, described secondary
Coil is arranged at the outside of the primary winding, the high-voltage insulation layer be arranged at the primary winding and the secondary coil it
Between.
Optionally, the one-time contact component 1 includes stationary contact head cartridge 11, static contact mounting seat 12 and static contact 13, described
Stationary contact head cartridge 11 and the static contact are installed 12 and are each attached on the current transformer body 2, and the static contact is installed
Seat 12 is connected with the current input terminal of the primary winding of the current transformer body 2, and the static contact 13 is arranged on described quiet
In contact mounting seat, and it is connected with the static contact mounting seat 12, the stationary contact head cartridge 11 is set in the static contact mounting seat
12 outside.
Optionally, the installing space set in the base 3 includes the first installing space and the second installing space, and described the
One installing space contacts setting with the stationary contact head cartridge；Second installing space is set with the current transformer body contacts
Put；The temperature sensor 6 includes the first temperature sensor and second temperature sensor, and first temperature sensor is arranged at
In first installing space, for measuring temperature in the stationary contact head cartridge, the second temperature sensor is arranged at described
In two installing spaces, the temperature of the secondary coil for measuring the current transformer body.
Optionally, epoxy resin insulating layers are provided between first temperature sensor and the stationary contact head cartridge；It is described
Epoxy resin insulating layers are provided between second temperature sensor and the current transformer body.
Optionally, an outlet terminal is rectangular copper bar.
Optionally, the temperature sensor 6 is passive wireless temperature sensor, and the passive wireless temperature sensor is used for
Detection temperature signal, and the temperature signal is transmitted by the way of passive and wireless.
Optionally, as shown in Fig. 2 when the current transformer body 2 includes two groups of secondary coils, including two groups it is secondary go out
Line terminals 5, i.e. 4 secondary outlet terminals.
According to specific embodiment provided by the invention, the invention discloses following technique effect：
The invention discloses a kind of Combined high-voltage current transformer, the Combined high-voltage current transformer will be touched once
Head assembly summation current transformer Ontology integration is integrated, and avoids high-tension current inductor and the pine of contact box in the process of running
It is dynamic, and high-tension switch cabinet inner mounting area space has been saved, while temperature sensor detection one-time contact component and electricity are set
The operation conditions of current transformer body, the secure safety of high-tension current inductor operation is ensure that, improves current transformer
The security of operation, further increase the safe operation rank of high-tension switch cabinet.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth to technical principle, embodiment, and the explanation of above example is
In order to help to understand the technology of the present invention method and core concept, the embodiment of description is only the individual example of the present invention, is not all of
Embodiment.Based on the embodiment of the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of the present invention.
Claims (7)
1. a kind of Combined high-voltage current transformer, it is characterised in that the Combined high-voltage current transformer includes once touching
Head assembly, current transformer body, base, an outlet terminal, secondary outlet terminal and temperature sensor；
The current input terminal of the primary winding of the current transformer body is connected with the one-time contact component, and the electric current is mutual
The current output terminal of the primary winding of sensor body is connected with an outlet terminal；The current transformer body it is secondary
Coil output is connected with the secondary outlet terminal；
The base is arranged at the bottom of the current transformer body and the one-time contact component, the secondary outlet terminal
It is arranged on the base；
The one-time contact component, current transformer body, base, an outlet terminal and secondary outlet terminal composition epoxy pour
Note is overall；
Installing space is provided with the base, the temperature sensor is arranged in the installing space.
2. Combined high-voltage current transformer according to claim 1, it is characterised in that the current transformer body bag
Primary winding and secondary coil and high-voltage insulation layer are included, the secondary coil is arranged at the outside of the primary winding, the height
Pressure insulating barrier is arranged between the primary winding and the secondary coil.
3. Combined high-voltage current transformer according to claim 1, it is characterised in that the one-time contact component includes
Stationary contact head cartridge, static contact mounting seat and static contact, the stationary contact head cartridge and the static contact mounting seat are each attached to the electric current
On transformer body, and the static contact mounting seat is connected with the input of the primary winding of the current transformer body, institute
State static contact to be arranged in the static contact mounting seat, and be connected with the static contact mounting seat, the stationary contact head cartridge is set in
The outside of the static contact mounting seat.
4. Combined high-voltage current transformer according to claim 3, it is characterised in that the installation set in the base
Space includes the first installing space and the second installing space, and first installing space contacts setting with the stationary contact head cartridge；Institute
The second installing space is stated to set with the current transformer body contacts；The temperature sensor include the first temperature sensor and
Second temperature sensor, first temperature sensor is arranged in first installing space, for measuring the static contact
Temperature in box, the second temperature sensor are arranged in second installing space, for measuring the current transformer sheet
The temperature of the secondary coil of body.
5. Combined high-voltage current transformer according to claim 4, it is characterised in that first temperature sensor and
Epoxy resin insulating layers are provided between the stationary contact head cartridge；The second temperature sensor and the current transformer body it
Between be provided with epoxy resin insulating layers.
6. Combined high-voltage current transformer according to claim 1 a, it is characterised in that outlet terminal is square
Shape copper bar.
7. Combined high-voltage current transformer according to claim 1, it is characterised in that the temperature sensor is passive
Radio temperature sensor, the passive wireless temperature sensor is used for detection temperature signal, and the temperature signal is used into nothing
Source is wirelessly transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117114.4A CN107833736B (en) | 2017-11-13 | 2017-11-13 | Combined high-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117114.4A CN107833736B (en) | 2017-11-13 | 2017-11-13 | Combined high-voltage current transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107833736A true CN107833736A (en) | 2018-03-23 |
| CN107833736B CN107833736B (en) | 2024-01-23 |
Family
ID=61654383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711117114.4A Active CN107833736B (en) | 2017-11-13 | 2017-11-13 | Combined high-voltage current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107833736B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592814A (en) * | 2011-01-12 | 2012-07-18 | 宁夏力成电气集团有限公司 | T-shaped 10kV full working condition all insulation high voltage contact box current transformer |
| CN105092063A (en) * | 2015-09-16 | 2015-11-25 | 成都比善科技开发有限公司 | Switch cabinet temperature measurement warning system |
| CN205004161U (en) * | 2015-09-17 | 2016-01-27 | 孙振民 | Take integrated current transformer of contact box modularization |
| CN206003620U (en) * | 2016-08-31 | 2017-03-08 | 华仪电气股份有限公司 | A kind of contact box current transformer |
| CN106601457A (en) * | 2017-01-24 | 2017-04-26 | 北京合锐赛尔电力科技股份有限公司 | Current transformer with temperature measuring device |
| CN207353063U (en) * | 2017-11-13 | 2018-05-11 | 上海基胜能源股份有限公司 | A kind of Combined high-voltage current transformer |
-
2017
- 2017-11-13 CN CN201711117114.4A patent/CN107833736B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592814A (en) * | 2011-01-12 | 2012-07-18 | 宁夏力成电气集团有限公司 | T-shaped 10kV full working condition all insulation high voltage contact box current transformer |
| CN105092063A (en) * | 2015-09-16 | 2015-11-25 | 成都比善科技开发有限公司 | Switch cabinet temperature measurement warning system |
| CN205004161U (en) * | 2015-09-17 | 2016-01-27 | 孙振民 | Take integrated current transformer of contact box modularization |
| CN206003620U (en) * | 2016-08-31 | 2017-03-08 | 华仪电气股份有限公司 | A kind of contact box current transformer |
| CN106601457A (en) * | 2017-01-24 | 2017-04-26 | 北京合锐赛尔电力科技股份有限公司 | Current transformer with temperature measuring device |
| CN207353063U (en) * | 2017-11-13 | 2018-05-11 | 上海基胜能源股份有限公司 | A kind of Combined high-voltage current transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107833736B (en) | 2024-01-23 |
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