CN203149019U - Current transformer and inverter provided with current transformer - Google Patents
Current transformer and inverter provided with current transformer Download PDFInfo
- Publication number
- CN203149019U CN203149019U CN 201320159146 CN201320159146U CN203149019U CN 203149019 U CN203149019 U CN 203149019U CN 201320159146 CN201320159146 CN 201320159146 CN 201320159146 U CN201320159146 U CN 201320159146U CN 203149019 U CN203149019 U CN 203149019U
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- connector
- housing
- current sensor
- cable
- current transformer
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Abstract
The utility model provides a current transformer and an inverter provided with the current transformer. The current transformer includes a first shell; an annular iron core arranged in the first shell and provided with an opening extending along the axial direction of the annular iron core; and a detection assembly including a Hall element arranged in the opening. The current transformer also includes a first connector penetrating through an inner ring of the annular iron core along the axial direction of the annular iron core and extending into the first shell from the external of the first shell; and a cable joint with a first end provided with a cable connecting structure used for connecting with a cable electrically and second end arranged to fit with a first end of the first connector extending into the first shell in a pluggable manner. According to the utility model, by arranging the first connector and the cable joint, the cable can fit with the current transformer directly and in a pluggable manner, so that an aim of facilitating the installation and dismounting of the cable is realized.
Description
Technical field
The utility model relates to detection range, in particular to a kind of current sensor and have the inverter of this current sensor.
Background technology
As everyone knows, can around this cable, produce magnetic field during by a cable when electric current.The size in magnetic field is directly proportional with the size of electric current by cable, and this magnetic field can be assembled and detects by the Hall components and parts by soft magnetic material.Current sensor of the prior art is to use above-mentioned principle to make.Current sensor of the prior art is to make the annular core with opening with soft magnetic material, and Hall element is arranged at the opening part of annular core for detection of the size in magnetic field.But, above-mentioned cable need be passed the inner ring of annular core during detection, with the precision that guarantees to detect.Because current sensor integral body is enclosed construction, do not arrange and be convenient to the opening that cable passes, make all comparatively inconvenience when installation and removal of operating personnel also to be not easy to safeguard and maintenance simultaneously.
The utility model content
The utility model aims to provide a kind of current sensor and has the inverter of this current sensor, to reach the purpose of being convenient to the cable dismounting.
To achieve these goals, the utility model provides a kind of current sensor, comprising: first housing; Annular core is arranged at first enclosure interior, and annular core has the opening that extends along its axial direction; Detection components comprises Hall element, and Hall element is arranged at opening part; Current sensor also comprises: first connector pass the interior ring of annular core along the axial direction of annular core, and first connector is extended to the inside of first housing by the outside of first housing; Cable splice, first end of cable splice has the cable connection structure that is electrically connected for cable, and first end that extends to first enclosure interior of second end of cable splice and first connector can be equipped with plugging.
Further, first end of first connector is provided with the insulated electro polar cap.
Further, first connector second end that is arranged at first outside has the bus that couples for the bus with inverter and couples structure.
Further, cable splice comprises second connector, and second connector is pegged graft with first connector and cooperated.
Further, cable splice also comprises second housing that is arranged at second connector outside and is positioned at first enclosure interior, and the interior shape of the outer shape of second housing and first housing is suitable.
Further, detection components also comprises the printed circuit board (PCB) that is fixed on first housing, and the leg of Hall element is fixedlyed connected with printed circuit board (PCB).
Further, detection components also comprises the connector for the electric signal of output detection components.
The utility model also provides a kind of inverter, comprises above-mentioned current sensor.
Further, inverter comprises three current sensors, and the printed circuit board (PCB) of three current sensors is wholely set.
Use current sensor of the present utility model, be fixed in first connector of first housing and with the cable splice of cable electrical connection cable can be directly cooperated by cable splice with the current sensor grafting by setting, to reach the purpose of being convenient to the cable installation and removal, further, realize being convenient to the effect safeguarding and overhaul.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the side sectional view according to current sensor among the utility model embodiment;
Fig. 2 is the three-dimensional structure synoptic diagram according to current sensor body among the utility model embodiment;
Fig. 3 is the side view according to current sensor body among the utility model embodiment;
Fig. 4 is that the B-B of Fig. 3 is to cut-open view;
Fig. 5 is the structural representation according to the detection components of current sensor among the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 4, the utility model embodiment provides a kind of current sensor, comprising: first housing 11, annular core 12, detection components, first connector 14 and the cable splice.Annular core 12 is arranged at first housing, 11 inside, and annular core 12 has the opening that in axial direction extends.Detection components comprises the Hall element 13 for detection of magnetic field, and Hall element 13 is arranged at opening part.First connector 14 passes the interior ring of annular core 12 along the axial direction of annular core 12, and first connector 14 is extended to the inside of first housing 11 by the outside of first housing 11.First end of cable splice has the cable connection structure that is electrically connected with cable 30, and first end that extends to first housing, 11 inside of second end of cable splice and first connector 14 can be equipped with plugging.
Be fixed in first connector 14 of first housing 11 and the cable splice that is communicated with cable 30 can directly peg graft cable 30 by cable splice to cooperate, be convenient to the purpose that cable 30 is dismantled to reach with current sensor by setting.
Need to prove first housing 11, annular core 12, detection components and first connector, 14 common formation current sensor bodies.
Concrete, first end that above-mentioned first connector 14 extends to first housing, 11 inside is provided with insulated electro polar cap 15.Second end that first connector 14 is arranged at first housing, 11 outsides has the bus that couples for the bus with inverter and couples structure.The effect that insulated electro polar cap 15 can play insulation protection to the end of first connector 14 is set, prevents that operating personnel from getting an electric shock accidentally.
Further, cable splice comprises second connector 21, and cable splice is pegged graft with first connector 14 by second connector 21 and cooperated.As shown in Figure 1, first connector 14 is the cylindrical conductive post, and first end of this cylindrical conductive post is provided with insulated electro polar cap 15 and places the inside of first housing 11.Second end of this cylindrical conductive post is connected to the bus end of inverter and fixing with it.Second connector 21 is for having the electrode of slot, and first end of the shape of this slot and first connector 14 is suitable.And second connector 21 directly is communicated with cable 30.
Preferably, cable splice also comprise second housing, 22, the second housings 22 that are arranged at second connector, 21 outsides and first housing 11 peg graft with, and the interior shape of the outer shape of second housing 22 and first housing 11 is suitable.Particularly, first housing 11 is provided with cylindrical inserting section, and second housing 22 is provided with the cylindrical section of cooperation with first housing, 11 similar shapes.Further, first housing 11 and second housing 22 all adopt insulating material to make, and so that alive circuit is insulated, avoid taking place Danger Electric shock risk.
Need to prove that the link of cable splice and cable 30 can also arrange cable fixture among the utility model embodiment, above-mentioned cable 30 is fixed on the cable splice by cable fixture.
As shown in Figure 5, detection components also comprises the printed circuit board (PCB) 16 that is fixed on first housing 11.The test side of Hall element 13 is arranged at the opening part of annular core 12, and the leg of Hall element 13 extends the outside of first housing 11 and fixedlys connected with above-mentioned printed circuit board (PCB) 16.
Further, detection components also comprises the connector 17 for the electric signal that is connected to export detection components with signal receiving device.The magnetic field that 13 pairs of annular cores of Hall element 12 produce catches detection, field signal is converted into electric signal is delivered on the printed circuit board (PCB) 16.Circuit on this printed circuit board (PCB) 16 amplifies above-said current signal and exports in the signal supervisory instrument by connector 17.
Need to prove, the current sensor that the utility model embodiment provides is integrated first connector 14 and second connector 21. that is provided for stube cable 30 on the basis of original current sensor, do not need to be provided for separately the stationary installation of attached cable 30, can reach the overall volume that reduces current sensor, the purpose that reduces production costs.
The utility model embodiment also provides a kind of inverter, and this inverter comprises above-mentioned current sensor.
Further, inverter comprises three current sensors, for detection of three-phase alternating current.Particularly, the printed circuit board (PCB) 16 of three current sensors is wholely set.
From above description, as can be seen, the utility model the above embodiments have realized following technique effect: be fixed in first connector of first housing and the cable splice that is communicated with cable can directly cooperate cable by cable splice with the current sensor grafting by setting, to reach the purpose of being convenient to cable connector.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a current sensor comprises
First housing (11);
Annular core (12) is arranged at described first housing (11) inside, and described annular core (12) has the opening that extends along its axial direction;
Detection components comprises Hall element (13), and described Hall element (13) is arranged at described opening part;
It is characterized in that described current sensor also comprises
First connector (14) pass the interior ring of described annular core (12) along the axial direction of described annular core (12), and described first connector (14) is extended to the inside of described first housing (11) by the outside of described first housing (11);
Cable splice, first end of described cable splice has the cable connection structure that is electrically connected for cable (30), and first end that extends to described first housing (11) inside of second end of described cable splice and described first connector (14) can be equipped with plugging.
2. current sensor according to claim 1 is characterized in that, first end of described first connector (14) is provided with insulated electro polar cap (15).
3. current sensor according to claim 1 is characterized in that, described first connector (14) is arranged at the second outside end of described first housing (11) to have the bus that couples for the bus with inverter and couple structure.
4. according to each described current sensor in the claim 1 to 3, it is characterized in that described cable splice comprises second connector (21), described second connector (21) is pegged graft with described first connector (14) and is cooperated.
5. current sensor according to claim 4, it is characterized in that, described cable splice also comprises second housing (22) that is arranged at described second connector (21) outside and is positioned at described first housing (11) inside, and the interior shape of the outer shape of described second housing (22) and described first housing (11) is suitable.
6. current sensor according to claim 1, it is characterized in that, described detection components also comprises the printed circuit board (PCB) (16) that is fixed on described first housing (11), and the leg of described Hall element (13) is fixedlyed connected with described printed circuit board (PCB) (16).
7. current sensor according to claim 6 is characterized in that, described detection components also comprises the connector (17) for the electric signal of the described detection components of output.
8. an inverter comprises current sensor, it is characterized in that, described current sensor is according to each described current sensor in the claim 1 to 7.
9. inverter according to claim 8 is characterized in that, described inverter comprises three current sensors, and the printed circuit board (PCB) of described three current sensors (16) is wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159146 CN203149019U (en) | 2013-04-01 | 2013-04-01 | Current transformer and inverter provided with current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320159146 CN203149019U (en) | 2013-04-01 | 2013-04-01 | Current transformer and inverter provided with current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203149019U true CN203149019U (en) | 2013-08-21 |
Family
ID=48976535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320159146 Expired - Lifetime CN203149019U (en) | 2013-04-01 | 2013-04-01 | Current transformer and inverter provided with current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203149019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260911A (en) * | 2018-03-12 | 2019-09-20 | 中国电力科学研究院有限公司 | A kind of large-section lead arc sag on-line monitoring system |
-
2013
- 2013-04-01 CN CN 201320159146 patent/CN203149019U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260911A (en) * | 2018-03-12 | 2019-09-20 | 中国电力科学研究院有限公司 | A kind of large-section lead arc sag on-line monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200082 No. 538, Dalian Road, Shanghai, Hongkou District Patentee after: CONTINENTAL INVESTMENT (CHINA) Co.,Ltd. Address before: 200082 No. 538, Dalian Road, Shanghai, Hongkou District Patentee before: Continental Automotive Holding Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191220 Address after: 200082 8th Floor, 538 Dalian Road, Yangpu District, Shanghai Patentee after: WeiPai technology investment (China) Co.,Ltd. Address before: 200082 No. 538, Dalian Road, Shanghai, Hongkou District Patentee before: CONTINENTAL INVESTMENT (CHINA) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210804 Address after: 300457 No.2 Bohai Road, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee after: WeiPai automotive electronics (Tianjin) Co.,Ltd. Address before: 8 / F, 538 Dalian Road, Yangpu District, Shanghai 200082 Patentee before: WeiPai technology investment (China) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |