CN210722708U - Integrated current transformer - Google Patents
Integrated current transformer Download PDFInfo
- Publication number
- CN210722708U CN210722708U CN201921893738.XU CN201921893738U CN210722708U CN 210722708 U CN210722708 U CN 210722708U CN 201921893738 U CN201921893738 U CN 201921893738U CN 210722708 U CN210722708 U CN 210722708U
- Authority
- CN
- China
- Prior art keywords
- input terminal
- housing
- side current
- current transformer
- secondary side
- 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.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000010354 integration Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005476 soldering Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract 2
- 238000005070 sampling Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses an integrated current transformer, including mutual-inductor main part, side current input terminal and terminal, the both ends spot welding of side current input terminal is on the terminal, the spot welding has the voltage connection piece on the side current input terminal, the mutual-inductor main part includes the housing, the bayonet socket has been seted up in the housing, side current input terminal runs through mutual-inductor main part and joint in the bayonet socket, the magnetic core has been placed in the housing, around there being the secondary side coil winding on the magnetic core, the joint has the fixed block on the housing, the joint has secondary side current output pin on the fixed block. An integration current transformer, once survey electric current, voltage input adopts the red copper sheet, the sheetmetal is adopted in the voltage sample, makes things convenient for the electric energy meter to realize integration wave-soldering, the intelligent production of being convenient for.
Description
Technical Field
The utility model relates to a current transformer field especially relates to an integration current transformer.
Background
The current transformer is based on the principle of electromagnetic induction and consists of a closed magnetic core and a winding. The primary winding of the current transformer has few turns and is connected in series in a circuit of current to be measured, so that all current of the circuit always flows through the current transformer, the secondary winding has more turns and is connected in series in a measuring instrument and a protection circuit, and the secondary circuit of the current transformer is always closed when the current transformer works, so that the impedance of a series coil of the measuring instrument and the protection circuit is very small, and the working state of the current transformer is close to short circuit. Current current transformer once surveys current, voltage input and adopts wire winding circle and wire direct access, through the screw fixation, generally does not insert voltage detection, and the sample of wire is also adopted in the voltage detection of a small part of access, inconvenient realization intelligent production.
Disclosure of Invention
An object of the utility model is to provide an integration current transformer once surveys electric current, voltage input and adopts the red copper sheet, and voltage sampling adopts the sheetmetal, makes things convenient for the electric energy meter to realize integration wave-soldering, the intelligent production of being convenient for.
In order to achieve the above purpose, the utility model provides a technical scheme is: the transformer comprises a transformer body, a primary side current input terminal and a binding post, wherein two end points of the primary side current input terminal are welded on the binding post, a voltage connecting sheet is welded on the primary side current input terminal in a spot mode, the transformer body comprises a housing, a bayonet is formed in the housing, the primary side current input terminal penetrates through the transformer body and is clamped in the bayonet, a magnetic core is placed in the housing, a secondary side coil winding is wound on the magnetic core, a fixed block is clamped on the housing, a secondary side current output pin is clamped on the fixed block, and two winding ends of the secondary side coil winding are connected with the two secondary side current output pins respectively.
The primary side current input terminal is a red copper sheet.
And the secondary side coil winding is a thin copper wire.
And the binding post is provided with a screw fixing hole.
The binding post is a copper column.
The voltage connecting sheet is a metal sheet.
The utility model has the advantages that: the integrated current transformer adopts a red copper sheet for primary current measurement and voltage input, adopts a metal sheet for voltage sampling, facilitates the realization of integrated wave-soldering of an electric energy meter, and facilitates intelligent production.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded view of the present invention.
Detailed Description
Example 1
As shown in fig. 1-2, an integrated current transformer includes a transformer main body 1, a primary side current input terminal 2 and a terminal 3, two ends of the primary side current input terminal 2 are spot-welded on the terminal 3, a voltage connection sheet 4 is spot-welded on the primary side current input terminal 2, the transformer main body 1 includes a housing 5, a bayonet 6 is provided in the housing 5, the primary side current input terminal 2 penetrates through the transformer main body 1 and is clamped in the bayonet 6, a magnetic core 7 is placed in the housing 5, a secondary side coil winding 8 is wound on the magnetic core 7, a fixing block 9 is clamped on the housing 5, a secondary side current output pin 10 is clamped on the fixing block 9, and two ends of a winding of the secondary side coil winding 8 are respectively connected to the two secondary side current output pins 10.
The primary side current input terminal 2 is a copper sheet.
The secondary side coil winding 8 is a thin copper wire.
And the binding post 3 is provided with a screw fixing hole 11.
The binding post 3 is a copper post.
The voltage connection piece 4 is a metal sheet.
When the current sampling instrument works specifically, the wiring terminal 3 is connected with a tested circuit in series, the voltage and the current of the tested circuit are input, the voltage is sampled by the voltage connecting sheet 4 and is input into the measuring instrument, the mutual inductor converts the primary side large current into the secondary side small current for measuring by the electromagnetic induction principle, a loop is formed by the secondary side current output pin 10 and the measuring instrument, the current is output to the measuring instrument, and the current sampling is completed.
The integrated current transformer of the embodiment adopts the red copper sheet for once current measurement and voltage input, adopts the metal sheet for voltage sampling, facilitates the realization of integrated wave-soldering of the electric energy meter, and facilitates intelligent production.
Claims (6)
1. An integrated current transformer, characterized in that: comprises a mutual inductor main body (1), a primary side current input terminal (2) and a binding post (3), two ends of the primary side current input terminal (2) are welded on the binding post (3), a voltage connecting sheet (4) is welded on the primary side current input terminal (2), the mutual inductor main body (1) comprises a housing (5), a bayonet (6) is arranged in the housing (5), the primary side current input terminal (2) penetrates through the transformer body (1) and is clamped in the bayonet (6), a magnetic core (7) is arranged in the housing (5), a secondary side coil winding (8) is wound on the magnetic core (7), a fixed block (9) is clamped on the housing (5), a secondary side current output pin (10) is clamped on the fixed block (9), and two winding ends of the secondary side coil winding (8) are respectively connected with the two secondary side current output pins (10).
2. The integrated current transformer of claim 1, wherein: the primary side current input terminal (2) is a red copper sheet.
3. The integrated current transformer of claim 1, wherein: the secondary side coil winding (8) is a thin copper wire.
4. The integrated current transformer of claim 1, wherein: and the binding post (3) is provided with a screw fixing hole (11).
5. The integrated current transformer of claim 1, wherein: the binding post (3) is a copper column.
6. The integrated current transformer of claim 1, wherein: the voltage connecting sheet (4) is a metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893738.XU CN210722708U (en) | 2019-11-05 | 2019-11-05 | Integrated current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893738.XU CN210722708U (en) | 2019-11-05 | 2019-11-05 | Integrated current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210722708U true CN210722708U (en) | 2020-06-09 |
Family
ID=70932360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921893738.XU Expired - Fee Related CN210722708U (en) | 2019-11-05 | 2019-11-05 | Integrated current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210722708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200189A (en) * | 2021-12-10 | 2022-03-18 | 宁波泰丰源电气有限公司 | High-protection ammeter current transformer |
-
2019
- 2019-11-05 CN CN201921893738.XU patent/CN210722708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200189A (en) * | 2021-12-10 | 2022-03-18 | 宁波泰丰源电气有限公司 | High-protection ammeter current transformer |
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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: 20200609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |