CN219737620U - Current acquisition device based on fast-assembling formula rogowski coil - Google Patents
Current acquisition device based on fast-assembling formula rogowski coil Download PDFInfo
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- CN219737620U CN219737620U CN202320189155.9U CN202320189155U CN219737620U CN 219737620 U CN219737620 U CN 219737620U CN 202320189155 U CN202320189155 U CN 202320189155U CN 219737620 U CN219737620 U CN 219737620U
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- rogowski coil
- cavity shell
- accommodating cavity
- rotary
- coil body
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- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a current acquisition device based on a fast-assembled Rogowski coil, which comprises a Rogowski coil body, two rotary hinges, an acquisition circuit accommodating cavity shell and a power supply module, wherein the two rotary hinges are arranged on the Rogowski coil body; the two rotary hinges are respectively and fixedly arranged at two sides of the collecting circuit accommodating cavity shell, through holes which are communicated from the outside of the rotary hinges to the inside of the collecting circuit accommodating cavity shell are formed in the rotary hinges, two ends of the Rogowski coil body respectively penetrate through the two through holes and extend into the inside of the circuit accommodating cavity shell, a collecting circuit is embedded in the collecting circuit accommodating cavity shell, and two interfaces are respectively arranged at two sides of the collecting circuit and are used for being detachably connected with the two ends of the Rogowski coil body; the power module is arranged on the other end face, opposite to the Rogowski coil body, of the acquisition circuit accommodating cavity shell.
Description
Technical Field
The utility model relates to a current acquisition device based on a fast-assembled Rogowski coil, and belongs to the technical field of current transformers.
Background
In modern power systems, rogowski coils have been widely used to measure varying currents; as a sensing unit for current measurement, the sensing unit has a series of advantages of wide measurement range, good insulating property, wide frequency band, good linearity, no iron core, no magnetic saturation phenomenon and the like, and has become a new development direction of the power transformer. At present, the body and the acquisition circuit of the rogowski coil are required to be carried separately by operation and maintenance inspectors, and are required to be installed on site. The Rogowski coil is complex to carry and use, the installation is not convenient enough, meanwhile, the Rogowski coil needs to be reinstalled once every time when being used, and errors can be caused by incorrect installation or insufficiently tight connection, so that the measurement result is affected.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a current acquisition device based on a fast-assembled rogowski coil.
The technical scheme of the utility model is as follows:
a current acquisition device based on a fast-assembled Rogowski coil comprises a Rogowski coil body, two rotary hinges, an acquisition circuit accommodating cavity shell and a power supply module; the two rotary hinges are respectively and fixedly arranged at two sides of the collecting circuit accommodating cavity shell, through holes which are communicated from the outside of the rotary hinges to the inside of the collecting circuit accommodating cavity shell are formed in the rotary hinges, two ends of the Rogowski coil body respectively penetrate through the two through holes and extend into the inside of the circuit accommodating cavity shell, a collecting circuit is embedded in the collecting circuit accommodating cavity shell, and two interfaces are respectively arranged at two sides of the collecting circuit and are used for being detachably connected with the two ends of the Rogowski coil body; the power module is arranged on the other end face, opposite to the Rogowski coil body, of the acquisition circuit accommodating cavity shell.
As the preferred implementation, rotatory pivot includes rotary joint and rotary joint, rotary joint fixed mounting is equipped with the external screw thread in the both sides of collection circuit holding chamber shell on the outer wall of rotary joint, rotary joint and the both ends department that is close to the Rogowski coil body of fixed connection of Rogowski coil body, be equipped with on rotary joint's the inner wall with rotary joint's external screw thread assorted internal screw thread.
As the preferred implementation mode, the power module comprises a battery and a battery cover, a containing groove is formed in the collecting circuit containing cavity shell and opposite to the other end face of the Rogowski coil body, the containing groove is used for containing the battery, and the battery cover which is detachably connected is arranged above the containing groove.
The utility model has the following beneficial effects:
1. the utility model provides a current acquisition device based on a quick-assembly Rogowski coil, which has the advantages of simple structure, convenience in installation, capability of realizing quick disassembly, capability of solving the problem that the Rogowski coil is separated from an acquisition circuit, and convenience in carrying for operation and maintenance inspectors.
2. The utility model provides a current acquisition device based on a fast-assembled Rogowski coil, wherein an acquisition circuit and a power module are uniformly distributed in a Rogowski coil body, no power and no electric wires are arranged outside the Rogowski coil, the structure is safe and simple, the operation and maintenance inspector can conveniently carry and use the current acquisition device, and the service life of the current acquisition device can be prolonged.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic left side view of the structure of the present utility model;
FIG. 3 is a schematic top view of the structure of the present utility model;
FIG. 4 is a schematic bottom view of the structure of the present utility model;
fig. 5 is a partially exploded view of the swivel hinge of the present utility model.
The reference numerals in the drawings are as follows:
1. a rogowski coil body; 2. rotating the hinge; 2.1 rotating the interface; 2.2 a rotary joint; 3. collecting a circuit accommodating cavity shell; 4. and a battery cover.
Detailed Description
The utility model will now be described in detail with reference to the drawings and to specific embodiments.
As shown in fig. 1, 2 and 3, as shown in fig. 1, the current collecting device based on the fast-assembled rogowski coil in the embodiment comprises a rogowski coil body 1, two rotary hinges 2, a collecting circuit accommodating cavity shell 3 and a power supply module; the two rotary hinges 2 are respectively and fixedly arranged at two sides of the collecting circuit accommodating cavity shell 3, through holes which are communicated from the outside of the rotary hinges 2 to the inside of the collecting circuit accommodating cavity shell 3 are formed in the rotary hinges 2, two ends of the Rogowski coil body 1 respectively penetrate through the two through holes and extend into the inside of the circuit accommodating cavity shell 3, a collecting circuit is embedded in the collecting circuit accommodating cavity shell 3, and two interfaces are respectively arranged at two sides of the collecting circuit and are used for being detachably connected with the two ends of the Rogowski coil body 1; the power supply module is arranged on the other end face of the collecting circuit accommodating cavity shell 3 opposite to the rogowski coil body 1.
As a preferred implementation manner of this embodiment, as shown in fig. 5, the rotary hinge 2 includes a rotary interface 2.1 and a rotary joint 2.2, the rotary interface 2.1 is fixedly installed at two sides of the collecting circuit accommodating cavity shell 3, external threads are provided on an outer wall of the rotary interface 2.1, the rotary joint 2.2 and the rogowski coil body 1 are fixedly connected at two ends close to the rogowski coil body 1, and internal threads matched with the external threads of the rotary interface 2.1 are provided on an inner wall of the rotary joint 2.2.
In the specific implementation, the rotary interface 2.1 and the rotary joint 2.2 are screwed tightly before use, so that the Rogowski coil body 1 is prevented from falling off, and the battery can be used after being mounted at a designated position, and the electric power generation device is simple and convenient.
After the installation is completed, the integrated current acquisition device based on the fast-assembled rogowski coil is deployed in a power supply area, and operation and maintenance staff can directly use the integrated current acquisition device without carrying the integrated current acquisition device with the fast-assembled rogowski coil. When the novel portable electric power tool is needed in other places, the novel portable electric power tool can be quickly disassembled or directly taken away for use.
In a specific implementation, a card is generally further disposed on a portion of the rogowski coil body 1 connected to the rotary joint 2.2, so as to prevent the rogowski coil body 1 from falling from the collecting circuit accommodating cavity shell 3 due to loosening of a fixed connection position of the rogowski coil body 1 and the rotary joint.
As a preferred implementation manner of this embodiment, as shown in fig. 4, the power module includes a battery and a battery cover 4, a receiving groove is formed on the other end face of the collecting circuit receiving cavity case 3 opposite to the rogowski coil body 1, the receiving groove is used for placing the battery, and the battery cover 4 detachably connected is disposed above the receiving groove.
In the concrete implementation, the battery is arranged in the collecting circuit accommodating cavity shell and is fixed by the battery cover 4, so that the battery can be assembled and disassembled at any time, an external power supply is not needed, and the use is convenient.
The working principle of the utility model is as follows:
firstly, installing a current acquisition device based on a fast-assembled Rogowski coil, screwing a rotary interface and a rotary joint, ensuring that the Rogowski coil cannot fall off, and connecting a Rogowski coil body with an acquisition circuit; after connection is completed, the battery is put into a containing groove at the bottom of the collecting circuit containing cavity shell, and a battery cover is covered to complete assembly; the installed current acquisition device based on the fast-assembled rogowski coil can be used for directly carrying out measurement work.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (3)
1. The current acquisition device based on the fast-assembled Rogowski coil is characterized by comprising a Rogowski coil body (1), two rotary hinges (2), an acquisition circuit accommodating cavity shell (3) and a power supply module; the two rotary hinges (2) are respectively and fixedly arranged at two sides of the collecting circuit accommodating cavity shell (3), through holes which are communicated from the outside of the rotary hinges (2) to the inside of the collecting circuit accommodating cavity shell (3) are formed in the rotary hinges (2), two ends of the Rogowski coil body (1) respectively penetrate through the two through holes and extend into the inside of the circuit accommodating cavity shell (3), a collecting circuit is embedded in the collecting circuit accommodating cavity shell (3), and two interfaces are respectively arranged at two sides of the collecting circuit and are used for being detachably connected with two ends of the Rogowski coil body (1); the power supply module is arranged on the other end face of the acquisition circuit accommodating cavity shell (3) opposite to the Rogowski coil body (1).
2. The current collection device based on the fast-assembling rogowski coil according to claim 1, characterized in that the rotary hinge (2) comprises a rotary interface (2.1) and a rotary joint (2.2), the rotary interface (2.1) is fixedly installed at two sides of the collection circuit accommodating cavity shell (3), external threads are arranged on the outer wall of the rotary interface (2.1), the rotary joint (2.2) and the rogowski coil body (1) are fixedly connected at two end heads close to the rogowski coil body (1), and internal threads matched with the external threads of the rotary interface (2.1) are arranged on the inner wall of the rotary joint (2.2).
3. The current collection device based on the fast-assembling rogowski coil according to claim 1, characterized in that the power module comprises a battery and a battery cover (4), a containing groove is formed in the collecting circuit containing cavity shell (3) relative to the other end face of the rogowski coil body (1), the containing groove is used for containing the battery, and a battery cover (4) which is detachably connected is arranged above the containing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320189155.9U CN219737620U (en) | 2023-02-08 | 2023-02-08 | Current acquisition device based on fast-assembling formula rogowski coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320189155.9U CN219737620U (en) | 2023-02-08 | 2023-02-08 | Current acquisition device based on fast-assembling formula rogowski coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737620U true CN219737620U (en) | 2023-09-22 |
Family
ID=88055136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320189155.9U Active CN219737620U (en) | 2023-02-08 | 2023-02-08 | Current acquisition device based on fast-assembling formula rogowski coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737620U (en) |
-
2023
- 2023-02-08 CN CN202320189155.9U patent/CN219737620U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231128 Address after: 350004 No. 4, Xingang Road, Taijiang District, Fujian, Fuzhou Patentee after: STATE GRID FUJIAN FUZHOU ELECTRIC POWER SUPPLY Co. Patentee after: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. Address before: 350004 No. 4, Xingang Road, Taijiang District, Fujian, Fuzhou Patentee before: STATE GRID FUJIAN FUZHOU ELECTRIC POWER SUPPLY Co. Patentee before: FUJIAN WANGNENG TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee before: STATE GRID FUJIAN ELECTRIC POWER Co.,Ltd. |