CN207353063U - A kind of Combined high-voltage current transformer - Google Patents
A kind of Combined high-voltage current transformer Download PDFInfo
- Publication number
- CN207353063U CN207353063U CN201721505735.5U CN201721505735U CN207353063U CN 207353063 U CN207353063 U CN 207353063U CN 201721505735 U CN201721505735 U CN 201721505735U CN 207353063 U CN207353063 U CN 207353063U
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- China
- Prior art keywords
- current transformer
- temperature sensor
- installation space
- combined high
- voltage
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- 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.)
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- 238000009434 installation Methods 0.000 claims description 27
- 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
- 238000000034 method Methods 0.000 description 6
- 230000004224 protection Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 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
- 230000005540 biological transmission Effects 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
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model 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
It the utility model is related 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, and such as directly measurement is breakneck.For ease of secondary
Instrument measurement needs to be converted to the unified Current Voltage of comparison, plays the role of variable flow and variable pressure and electrical isolation using mutual inductor.
Mutual inductor 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.Mutual inductor may further be used to separate high-voltage system at the same time, to ensure the peace of the person and equipment
Entirely.
Electric system is that electrical network high voltage, the information of high current are delivered to low-voltage, low current secondary side with mutual inductor
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 grid, secondary winding are interconnected with measuring instrumentss, protective device etc. respectively.Mutual inductor 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 grid 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 seriously affected high-tension current inductor, has been
To the reliability service of whole high-tension switch cabinet, and high-voltage contact box can not measure grasp one-time contact in time in day-to-day operation
Box and high-tension current inductor actual operating state, there are some potential safety problems.
Utility model content
The purpose of this utility model be in order to improve high-tension current inductor operation security, there is provided a kind of combined type is mutual
Sensor.
To achieve the above object, the utility model 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 terminal is connected with the secondary outlet terminal；
The base is arranged at the lower part 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；
Installation space is provided with the base, the temperature sensor is arranged in the installation 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 base and static contact, the stationary contact head cartridge
It is each attached to the static contact mounting base on the current transformer body, and the static contact mounting base and the electric current are mutual
The input terminal connection of the primary winding of sensor body, the static contact is arranged in the static contact mounting base, 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 base.
Optionally, the installation space set in the base includes the first installation space and the second installation space, and described the
One installation space contacts setting with the stationary contact head cartridge；Second installation 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 installation space, for measuring temperature in the stationary contact head cartridge, the second temperature sensor is arranged at described
In two installation 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 utility model, the utility model discloses following technique effect：
The utility model discloses a kind of Combined high-voltage current transformer, the Combined high-voltage current transformer is by one
Secondary contact assembly and current transformer Ontology integration is integrated, and avoids high-tension current inductor and contact box in the process of running
Loosen, while the operation conditions of set temperature sensor detection one-time contact component and current transformer body, it ensure that high pressure
The secure safety of current transformer operation, improves the security of current transformer operation, further increases high-voltage switch gear
The safe operation rank of cabinet.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment, simple be situated between will be made to required attached drawing in embodiment below
Continue.It is clear that drawings discussed below is only one embodiment of the utility model, for those of ordinary skill in the art
For, without creative efforts, other accompanying drawings can also be obtained according to this attached drawing.
Fig. 1 is a kind of left view of Combined high-voltage current transformer provided by the utility model；
Fig. 2 is a kind of front view of Combined high-voltage current transformer provided by the utility model.
Embodiment
The purpose of this utility model is to provide a kind of Combined high-voltage current transformer, to improve high-tension current inductor fortune
Capable security.
To enable the utility model above-mentioned purpose, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and specifically
Embodiment is described in further detail this technology utility model.
As illustrated in fig. 1 and 2, the utility model provides a kind of Combined high-voltage current transformer, the combined high-voltage
Current transformer includes one-time contact component 1, current transformer body 2, base 3, outlet terminals 4, a secondary outlet terminals 5
With temperature 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 terminal of body 2 is connected with the secondary outlet terminal 5；
The base 3 is arranged at the lower part 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；
Installation space is provided with the base 3, the temperature sensor 6 is arranged in the installation 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 base 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 base 12, the stationary contact head cartridge 11 is set in the static contact mounting base
12 outside.
Optionally, the installation space set in the base 3 includes the first installation space and the second installation space, and described the
One installation space contacts setting with the stationary contact head cartridge；Second installation 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 installation space, for measuring temperature in the stationary contact head cartridge, the second temperature sensor is arranged at described
In two installation 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 utility model, the utility model discloses following technique effect：
The utility model discloses a kind of Combined high-voltage current transformer, the Combined high-voltage current transformer is by one
Secondary contact assembly and current transformer Ontology integration is integrated, and avoids high-tension current inductor and contact box in the process of running
Loosen, and saved high-tension switch cabinet inner mounting area space, at the same set temperature sensor detection one-time contact component and
The operation conditions of current transformer body, ensure that the secure safety of high-tension current inductor operation, improves Current Mutual Inductance
The security of device operation, further increases 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 technical principle, embodiment, and the explanation of above example is
In order to help to understand the utility model technical method and core concept, the embodiment of description is only a example of the utility model,
It is not all of embodiment.Based on the utility model embodiment, those of ordinary skill in the art are not before creative work is made
All other embodiments obtained are put, belong to scope of protection of the utility model.
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 lower part 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；
Installation space is provided with the base, the temperature sensor is arranged in the installation 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 layer 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 base and static contact, the stationary contact head cartridge and the static contact mounting base are each attached to the electric current
On mutual inductor body, and the static contact mounting base is connected with the input terminal of the primary winding of the current transformer body, institute
State static contact to be arranged in the static contact mounting base, and be connected with the static contact mounting base, the stationary contact head cartridge is set in
The outside of the static contact mounting base.
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 installation space and the second installation space, and first installation space contacts setting with the stationary contact head cartridge；Institute
The second installation 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 installation space, for measuring the static contact
Temperature in box, the second temperature sensor are arranged in second installation 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 nothing
Source is wirelessly transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505735.5U CN207353063U (en) | 2017-11-13 | 2017-11-13 | A kind of Combined high-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505735.5U CN207353063U (en) | 2017-11-13 | 2017-11-13 | A kind of Combined high-voltage current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207353063U true CN207353063U (en) | 2018-05-11 |
Family
ID=62350500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721505735.5U Withdrawn - After Issue CN207353063U (en) | 2017-11-13 | 2017-11-13 | A kind of Combined high-voltage current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207353063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833736A (en) * | 2017-11-13 | 2018-03-23 | 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 CN201721505735.5U patent/CN207353063U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833736A (en) * | 2017-11-13 | 2018-03-23 | 上海基胜能源股份有限公司 | A kind of Combined high-voltage current transformer |
| CN107833736B (en) * | 2017-11-13 | 2024-01-23 | 上海基胜能源股份有限公司 | Combined high-voltage current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20240123 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20240123 |