CN213581115U - Electronic current sensor - Google Patents
Electronic current sensor Download PDFInfo
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- CN213581115U CN213581115U CN202022428040.XU CN202022428040U CN213581115U CN 213581115 U CN213581115 U CN 213581115U CN 202022428040 U CN202022428040 U CN 202022428040U CN 213581115 U CN213581115 U CN 213581115U
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Abstract
The utility model relates to an electronic current sensor, which comprises a shell, a supporting frame and a base, wherein a coil component is arranged in the shell, the coil component comprises a plurality of coaxially-installed annular frameworks which are arranged in the shell, a plurality of winding grooves are arranged on the peripheral surface of the annular frameworks, enameled wires are wound on each annular framework, the enameled wires are positioned in the winding grooves, the enameled wires on the adjacent annular frameworks are mutually connected, a hollow spacer sleeve is arranged between the adjacent annular frameworks in the shell, two ends of the hollow spacer sleeve are respectively butted with the adjacent annular frameworks, the annular frameworks at two ends in the shell are fixedly connected with the shell, the overall length of the annular frameworks can be changed through the combination of the annular frameworks, the specification requirements of the number and the space of enameled wire coils are met, the adjacent annular frameworks are supported through the hollow spacer sleeve, and the space is reserved between the adjacent annular frameworks through the hollow spacer, the heat dissipation device is suitable for heat dissipation, and meanwhile, the enameled wire coils on the adjacent annular frameworks are separated by the hollow spacer bushes, so that short circuit is prevented.
Description
Technical Field
The utility model belongs to the technical field of the sensor and specifically relates to an electronic type current sensor.
Background
The current sensor is a detection device which can sense the information of the current to be detected and convert the sensed information into an electric signal meeting certain standards or other information in required forms according to a certain rule for output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.
Current sensors, also known as magnetic sensors, can be used in household appliances, smart grids, electric vehicles, wind power generation, and the like. The current sensor mainly comprises an electromagnetic current sensor and an electronic current sensor, wherein the electronic current sensor generally has higher bandwidth and is suitable for measuring fundamental waves and harmonic waves of current with larger harmonic content. In order to accurately measure power, the electronic current sensor mainly comprises an annular framework, an enameled wire (coil) wound on the annular framework and an optical fiber connected with the enameled wire, and the principle of the electronic current sensor is as follows: the coil adopts a non-magnetic framework, so that the magnetic saturation phenomenon does not exist. The primary current is passed through Rogowsk i coil to obtain secondary voltage E proportional to time differential of primary current, said secondary voltage E is integrated to obtain voltage signal proportional to primary current, said signal is converted and processed by microprocessor so as to can convert the primary current information into analog quantity and digital quantity to be outputted.
The current electronic current sensor is generally an annular framework, the problem of limited winding number of turns of an enameled wire coil exists, a single annular framework is optimal in terms of fully-wrapped enameled wire coils, but the distance between adjacent coils is also controlled by size, and the winding requirement of the coil cannot be met by the single annular framework.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic type current sensor in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an electronic current sensor comprises a shell, a support frame and a base, wherein two ends of the shell are opened, a coil assembly is arranged in the shell and comprises a plurality of coaxially-mounted annular frameworks which are mounted in the shell, a plurality of winding grooves are formed in the peripheral surfaces of the annular frameworks, enameled wires are wound on the annular frameworks and are positioned in the winding grooves, the enameled wires on the adjacent annular frameworks are mutually connected, and optical fibers connected with the enameled wires are arranged in the support frame;
a hollow spacer bush is arranged between adjacent annular frameworks in the shell, two ends of the hollow spacer bush are respectively abutted against the adjacent annular frameworks, and the annular frameworks at two ends in the shell are fixedly connected with the shell.
Furthermore, a circuit board connected with the enameled wire is arranged in the support frame.
Furthermore, the base is provided with a socket, the socket is connected with a light source, and the light source is connected with the optical fiber.
Further, the bottom of the base is provided with a rubber sucker.
Furthermore, the support frame is a ceramic column.
Further, the shell, the annular framework and the hollow spacer bush are made of ceramics.
The utility model has the advantages that: the coil component of the sensor comprises a plurality of coaxially-mounted annular frameworks which are arranged in a shell, a plurality of winding grooves are arranged on the circumferential surface of each annular framework, an enameled wire is wound on each annular framework and is positioned in the winding grooves, the enameled wires on the adjacent annular frameworks are mutually connected, a hollow spacer is arranged between the adjacent annular frameworks in the shell, two ends of the hollow spacer are respectively butted with the adjacent annular frameworks, the annular frameworks positioned at two ends in the shell are fixedly connected with the shell, the overall length of the annular frameworks can be randomly changed through the combination of the annular frameworks, the specification requirements of the number and the space of the enameled wire coils are met, the adjacent annular frameworks are supported through the hollow spacer, the space is formed between the adjacent annular frameworks by the hollow spacer, the heat dissipation is met, and the enameled wire coils on the adjacent annular frameworks are separated by the hollow spacer, preventing short circuits.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the housing of the present invention;
fig. 3 is a schematic diagram of the present invention.
Detailed Description
As shown in fig. 1 to 3, an electronic current sensor includes a housing 1, a supporting frame 2 and a base 3, two ends of the housing 1 are open, a coil assembly is disposed in the housing, the coil assembly includes a plurality of coaxially mounted annular frameworks 4 mounted in the housing 1, a plurality of winding grooves 5 are disposed on a circumferential surface of each annular framework 4, an enameled wire 6 is wound on each annular framework 4, the enameled wire is located in the winding grooves 5, the enameled wires on adjacent annular frameworks 4 are connected with each other, and an optical fiber 7 connected with the enameled wire is disposed in the supporting frame 5;
a hollow spacer 8 is arranged between adjacent annular frameworks 4 in the shell 1, two ends of the hollow spacer 8 are respectively abutted against the adjacent annular frameworks 4, and the annular frameworks at two ends in the shell 1 are fixedly connected with the shell 1.
Furthermore, a circuit board 9 connected with the enameled wire is arranged in the support frame 2, the base 3 is provided with a socket 10, the socket 10 is connected with a light source, and the light source is connected with an optical fiber 7. The bottom of base 3 is installed rubber suction cup 11, makes things convenient for whole absorption fixed.
Furthermore, the support frame 2 is a ceramic column, and the shell 1, the annular framework 4 and the hollow spacer 8 are made of ceramic.
The coil component of the sensor comprises a plurality of coaxially-mounted annular frameworks 4 arranged in a shell 1, wherein the peripheral surfaces of the annular frameworks 4 are provided with a plurality of winding grooves 5, each annular framework 4 is wound with an enameled wire 6, the enameled wires are positioned in the winding grooves 5, the enameled wires on the adjacent annular frameworks 4 are mutually connected, and optical fibers 7 connected with the enameled wires are arranged in a supporting frame 5; be equipped with hollow spacer 8 between the adjacent annular skeleton 4 in casing 1, the both ends of hollow spacer 8 are contradicted with adjacent annular skeleton 4 respectively, the annular skeleton that is located both ends in casing 1 and 1 fixed connection of casing, the form through the combination of a plurality of annular skeleton 4 can change annular skeleton's overall length wantonly, the specification requirement of the quantity of suitable enameled wire coil and interval, and support through hollow spacer 8 between the adjacent annular skeleton 4, hollow spacer 8 makes and has the interval between the adjacent annular skeleton 4, be fit for the heat dissipation, hollow spacer 8 separates the enameled wire coil on the adjacent annular skeleton simultaneously, prevent the short circuit.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An electronic current sensor comprises a shell, a support frame and a base, wherein two ends of the shell are opened, and the electronic current sensor is characterized in that a coil assembly is arranged in the shell and comprises a plurality of coaxially-mounted annular frameworks which are arranged in the shell, a plurality of winding grooves are formed in the peripheral surfaces of the annular frameworks, enameled wires are wound on the annular frameworks and are positioned in the winding grooves, the enameled wires on the adjacent annular frameworks are mutually connected, and optical fibers connected with the enameled wires are arranged in the support frame;
a hollow spacer bush is arranged between adjacent annular frameworks in the shell, two ends of the hollow spacer bush are respectively abutted against the adjacent annular frameworks, and the annular frameworks at two ends in the shell are fixedly connected with the shell.
2. The electronic current sensor as claimed in claim 1, wherein a circuit board connected to the enameled wire is disposed in the supporting frame.
3. The electronic current sensor as claimed in claim 2, wherein the base has a socket, the socket is connected to a light source, and the light source is connected to the optical fiber.
4. The electronic current sensor as claimed in claim 2, wherein a rubber suction cup is mounted on the bottom of the base.
5. The electronic current sensor of claim 2, wherein the support is a ceramic post.
6. The electronic current sensor as claimed in claim 2, wherein the housing, the annular frame and the hollow spacer are made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428040.XU CN213581115U (en) | 2020-10-27 | 2020-10-27 | Electronic current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428040.XU CN213581115U (en) | 2020-10-27 | 2020-10-27 | Electronic current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581115U true CN213581115U (en) | 2021-06-29 |
Family
ID=76530209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022428040.XU Active CN213581115U (en) | 2020-10-27 | 2020-10-27 | Electronic current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581115U (en) |
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2020
- 2020-10-27 CN CN202022428040.XU patent/CN213581115U/en active Active
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