CN112198355A - Integrated sensor for collecting current and voltage signals of high-voltage overhead line - Google Patents
Integrated sensor for collecting current and voltage signals of high-voltage overhead line Download PDFInfo
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- CN112198355A CN112198355A CN202011068153.1A CN202011068153A CN112198355A CN 112198355 A CN112198355 A CN 112198355A CN 202011068153 A CN202011068153 A CN 202011068153A CN 112198355 A CN112198355 A CN 112198355A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The embodiment of the application provides an integral type sensor for gathering high-voltage overhead line electric current, voltage signal, includes: the wire clamping shell is internally provided with an overhead wire penetrating hole; a current signal induction coil surrounding the overhead line penetration hole; the wire pressing structure is used for pressing the high-voltage overhead wire penetrating into the overhead wire penetrating hole to the puncture; the voltage signal access structure comprises a voltage signal access puncture port and a voltage signal transmission port; a locking structure penetrating through the wire clamping shell; and the electric signal connection structure is respectively connected with the leading-out end of the current signal induction coil and the voltage signal transmission port. The sensor that this application embodiment provided does not need the outage at the in-process of installation and dismantlement for current-voltage integral type sensor, can electrified loading and unloading.
Description
Technical Field
The embodiment of the application relates to the field of power system sensors, in particular to an integrated sensor for collecting current and voltage signals of a high-voltage overhead line.
Background
In the application of the current internet of things, the voltage and the current of a high-voltage overhead line need to be collected for big data analysis. At present, a sensor with a traditional structure is generally adopted for collecting voltage and current of a high-voltage overhead line. The sensor of traditional structure needs the outage of high-pressure overhead line in the in-process of installation and dismantlement, influences the electric wire netting power supply.
Disclosure of Invention
The embodiment of the application provides an integral type sensor for gathering high-voltage overhead line electric current, voltage signal to reach the purpose of electrified loading and unloading sensor.
The embodiment of the application provides an integral type sensor for gathering high-voltage overhead line electric current, voltage signal, includes:
the wire clamping shell can be opened and closed, and an overhead wire penetrating hole is formed in the opening and closing position of the wire clamping shell;
the wire clamping device comprises a current signal induction coil, a voltage signal access structure, a wire pressing structure, a locking structure and an electric signal connection structure, wherein the current signal induction coil, the voltage signal access structure and the wire pressing structure are arranged in the wire clamping shell and can be opened and closed;
the current signal induction coil surrounds the overhead line penetrating hole; the voltage signal access structure comprises a voltage signal access puncture port and a voltage signal transmission port; the line pressing structure comprises a line pressing block, a pressure spring and a transmission part; the locking structure comprises a locking nut, a locking screw and a rotating handle;
the transmission part is sheet-shaped, one end of the transmission part is fixed on the inner wall of the wire clamping shell, the other end of the transmission part is provided with a through hole with internal threads, the locking screw penetrates through the through hole, the wire pressing block is arranged opposite to the voltage signal access puncture and fixed on the transmission part, the transmission part drives the wire pressing block to press the high-voltage overhead wire to the voltage signal access puncture, one end of the pressure spring is fixed on the transmission part, and the other end of the pressure spring is fixed on the inner wall of the wire clamping shell;
the locking nut is arranged on the outer wall of the wire clamping shell and provided with an internal thread matched with the locking screw, and the rotating handle is fixed at one end of the locking screw;
the electric signal connection structure is respectively connected with the leading-out end of the current signal induction coil and the voltage signal transmission port and is used for transmitting current signals and voltage signals.
The sensor that this application embodiment provided adopts above-mentioned locking structure to be fixed in high-voltage overhead line with card line shell in, utilizes voltage signal to insert the puncture and pierces high-voltage overhead line and acquires voltage signal, utilizes current signal induction coil to acquire current signal, and signal processor is given in through signal of telecommunication connection structure transmission to these two kinds of signals to realize voltage signal and current signal's collection under the condition that need not cut off the power supply.
Drawings
FIG. 1 is a front view of a sensor in a snap-fit configuration as provided in one embodiment of the present application;
FIG. 2 is a front view of a sensor in an open state as provided by one embodiment of the present application;
FIG. 3 is a left side A-A cross-sectional view of a sensor according to one embodiment of the present application;
FIG. 4 is an elevational cross-sectional view of a sensor provided in accordance with an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below with reference to the drawings and the specific embodiments, and it should be understood that the specific features of the embodiments and the embodiments of the present application are detailed descriptions of the technical solutions of the embodiments of the present application, and are not limitations of the technical solutions of the present application, and the technical features of the embodiments and the embodiments of the present application may be combined with each other without conflict.
The embodiment of the application provides an integral type sensor for gathering high-voltage overhead line electric current, voltage signal, refer to fig. 1 to 4, include:
the wire clamping device comprises a wire clamping shell 1 capable of being opened and closed, wherein an overhead wire penetrating hole 2 is formed in the opening and closing position of the wire clamping shell 1;
the wire clamping device comprises a current signal induction coil, a voltage signal access structure, a wire pressing structure, a locking structure and an electric signal connection structure 7, wherein the current signal induction coil, the voltage signal access structure and the wire pressing structure are arranged in the wire clamping shell 1 and can be opened and closed, the locking structure penetrates through the wire clamping shell, and the electric signal connection structure 7 is arranged on the outer wall of the wire clamping shell.
The wire clamping shell 1 can be formed by buckling a first shell part 11 and a second shell part 12, wire clamping grooves are respectively formed in buckling surfaces of the first shell part 11 and the second shell part 12, and after the first shell part 11 and the second shell part 12 are buckled, the wire clamping grooves of the first shell part 11 and the second shell part 12 form an empty wire penetrating hole 2.
In the embodiment of the application, the wire clamping shell is made of non-conductive hard materials, such as plastics, ceramics and the like.
Wherein the current signal induction coil is inserted into the hole 2 around the overhead line.
Specifically, the current signal sensing coil 3 is composed of a first current signal sensing portion 31 and a second current signal sensing portion 32, the first current signal sensing portion 31 is fixed in the first casing portion 11, the second current signal sensing portion 32 is fixed in the second casing portion 12, and after the first casing portion 11 and the second casing portion 12 are fastened, the trolley wire insertion hole 2 penetrates through the current signal sensing coil 3. The first current signal sensing part 31 and the second current signal sensing part 32 are both semi-annular hollow coils, and after the first shell part 11 and the second shell part 12 are buckled, the sections of the two semi-annular hollow coils are connected in an aligned manner.
In the embodiment of the present application, the current signal induction coil may specifically adopt a conventional mutual inductance type coil, and may also adopt a rogowski coil.
Wherein the voltage signal access structure comprises a voltage signal access puncture 41 and a voltage signal transmission port 42.
Wherein, voltage signal access puncture 41 is used for the puncture to get the electricity to carry out voltage signal's measurement. In practical application, a through hole 121 is formed in the wire-clamping groove of the second housing portion 12, and the voltage signal access penetration 41 extends into the overhead wire insertion hole 2 through the through hole 121.
The line pressing structure comprises a line pressing block 51, a pressure spring 52 and a transmission part 53.
The transmission part 53 is sheet-shaped, one end of the transmission part is fixed on the inner wall of the wire clamping shell 1, the other end of the transmission part is provided with a through hole 531 with internal threads, the locking screw penetrates through the through hole 531, the wire pressing block 51 is arranged opposite to the voltage signal access puncture 41 and is fixed on the transmission part 53, the transmission part 53 drives the wire pressing block 51 to press the high-voltage overhead wire to the voltage signal access puncture 41, one end of the pressure spring 52 is fixed on the transmission part 53, and the other end of the pressure spring is fixed on the inner wall of the wire clamping shell 1.
The through hole 531 is threadedly coupled to the locking screw through its inner thread.
In the embodiment of the present application, the material of the wire pressing block 51 is preferably an insulating material, such as rubber, plastic, etc.
In the embodiment of the present application, the wire-clamping groove of the first housing part 11 is opened with a through hole 111, and the wire-pressing block 51 is inserted into the overhead wire insertion hole 2 through the through hole 111.
Wherein the locking structure comprises a lock nut 61, a lock screw 62 and a turning handle 63. The lock nut 61 is disposed on an outer wall of the wire clamping housing 1, and has an internal thread 611 engaged with the lock screw 62, and the rotating handle 63 is fixed to one end of the lock screw 62.
The electric signal connection structure 7 is respectively connected to the leading-out terminal of the current signal induction coil and the voltage signal transmission port 42, and is configured to transmit the current signal and the voltage signal to the signal processing unit.
The sensor that this application embodiment provided, adopt above-mentioned locking structure when being fixed in high-voltage overhead line with card line shell, utilize voltage signal to insert the puncture and pierce high-voltage overhead line and acquire voltage signal, utilize current signal induction coil to acquire current signal, these two kinds of signals transmit signal processor through signal of telecommunication connection structure, thereby realize the collection to 10KV high-voltage overhead line's voltage signal and current signal under the condition that need not cut off the power supply, and can once only finish current sensor and voltage sensor installation, conveniently arrange the use, can be applied to in each monitoring application scene as the sensor in the electric power thing networking.
Optionally, the electrical signal connection structure is an aviation plug.
Optionally, the fastening surface of the second shell portion 12 is provided with at least one limiting post 121, and the fastening surface of the first shell portion 11 is provided with at least one limiting hole 112 corresponding to the limiting post.
The sensor provided by the embodiment of the application is provided aiming at the wide application requirements of current and voltage monitoring of the existing 10KV overhead line, the problems that the traditional current sensor and the traditional voltage sensor cannot be installed or disassembled in an electrified way and are not beneficial to rapid arrangement are solved, the sensor can be installed in an electrified way by using a special tool (the locking structure), and a contact line is avoided; meanwhile, the current sensor and the voltage sensor can be mounted or dismounted at one time, so that the mounting or dismounting time is greatly shortened, and the whole mounting or dismounting working process is simplified.
The specific working process is as follows:
the rotation handle 63 is rotated to control the locking screw 62 to rotate, so as to drive the locking screw nut 61 and one end of the transmission part 53 to move towards the second shell part 12, the movement of the transmission part 53 drives the line pressing block 51 to move towards the second shell part 12, and the pressure spring 52 drives the first shell part 11 to move towards the second shell part 12;
when the first housing portion 11 and the second housing portion 12 are completely closed, if the rotating handle 63 is continuously rotated, the transmission portion 53 continues to move towards the second housing portion 12, and drives the cable pressing block to continue to approach towards the second housing portion 12, and the continuous movement of the cable pressing block 51 tightly presses the 10KV overhead cable inserted into the hole 2 onto the voltage signal access puncture 41, thereby completing the whole installation process.
During the whole installation process, the limiting columns 121 on the second shell part 12 penetrate into the corresponding limiting holes 112 in the first shell part 11, so that the two shell parts are precisely closed, and the operation precision of the whole sensor is improved.
When the first shell part 11 and the second shell part 12 are tightly closed, the first current signal sensing part 31 fixed in the first shell part 11 and the current signal sensing part 32 fixed in the second shell part 12 move along with the first shell part and the second shell part, the cross sections of the current signal sensing parts of the two semi-rings are tightly closed, and the accuracy of current sensing is ensured.
When the installation process is completed, the voltage signal access puncture 41 can puncture the 10KV overhead wire cable inserted into the hole, thereby completing the access work of the voltage signal.
The current and voltage signals of the sensor are inserted by the outer lead wire of the sensor to lead out signals, and are connected with other processing units, so that the acquisition of the current and voltage signals is completed.
When the sensor needs to be detached, the rotating handle 63 is rotated in the opposite direction, the locking screw 62 can rotate in the opposite direction, the transmission portion 53 is driven to move in the direction away from the second shell portion 12, the transmission portion 53 drives the line pressing block to move in the direction away from the second shell portion 12, the pressure spring 52 is driven to release pressure in the transmission portion 53, the upper shell can be driven to continue to move in the direction away from the second shell portion 12, the second shell portion 12 is separated from the first shell portion 11, and then the whole sensor can be detached from the overhead line.
While preferred embodiments of the present specification have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all changes and modifications that fall within the scope of the specification.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present specification without departing from the spirit and scope of the specification. Thus, if such modifications and variations of the present specification fall within the scope of the claims of the present specification and their equivalents, the specification is intended to include such modifications and variations.
Claims (3)
1. An integral type sensor for gathering high-voltage overhead line electric current, voltage signal which characterized in that includes:
the wire clamping shell can be opened and closed, and an overhead wire penetrating hole is formed in the opening and closing position of the wire clamping shell;
the wire clamping device comprises a current signal induction coil, a voltage signal access structure, a wire pressing structure, a locking structure and an electric signal connection structure, wherein the current signal induction coil, the voltage signal access structure and the wire pressing structure are arranged in the wire clamping shell and can be opened and closed;
the current signal induction coil surrounds the overhead line penetrating hole; the voltage signal access structure comprises a voltage signal access puncture port and a voltage signal transmission port; the line pressing structure comprises a line pressing block, a pressure spring and a transmission part; the locking structure comprises a locking nut, a locking screw and a rotating handle;
the transmission part is sheet-shaped, one end of the transmission part is fixed on the inner wall of the wire clamping shell, the other end of the transmission part is provided with a through hole with internal threads, the locking screw penetrates through the through hole, the wire pressing block is arranged opposite to the voltage signal access puncture and fixed on the transmission part, the transmission part drives the wire pressing block to press the high-voltage overhead wire to the voltage signal access puncture, one end of the pressure spring is fixed on the transmission part, and the other end of the pressure spring is fixed on the inner wall of the wire clamping shell;
the locking nut is arranged on the outer wall of the wire clamping shell and provided with an internal thread matched with the locking screw, and the rotating handle is fixed at one end of the locking screw;
the electric signal connection structure is respectively connected with the leading-out end of the current signal induction coil and the voltage signal transmission port and is used for transmitting current signals and voltage signals.
2. The integrated sensor for collecting current and voltage signals of a high voltage overhead line according to claim 1, wherein the electrical signal connection structure is an aviation plug.
3. The integrated sensor for collecting the current and voltage signals of the high-voltage overhead line according to claim 1, wherein the line clamping shell comprises a first shell part and a second shell part which are fastened with each other, a fastening surface of the second shell part is provided with at least one limiting post, and a fastening surface of the first shell part is provided with at least one limiting hole corresponding to the limiting post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068153.1A CN112198355A (en) | 2020-10-08 | 2020-10-08 | Integrated sensor for collecting current and voltage signals of high-voltage overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068153.1A CN112198355A (en) | 2020-10-08 | 2020-10-08 | Integrated sensor for collecting current and voltage signals of high-voltage overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112198355A true CN112198355A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011068153.1A Withdrawn CN112198355A (en) | 2020-10-08 | 2020-10-08 | Integrated sensor for collecting current and voltage signals of high-voltage overhead line |
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| CN (1) | CN112198355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341270A (en) * | 2021-05-08 | 2021-09-03 | 国网浙江省电力有限公司嘉兴供电公司 | Induction type voltage dip detection device and method |
-
2020
- 2020-10-08 CN CN202011068153.1A patent/CN112198355A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341270A (en) * | 2021-05-08 | 2021-09-03 | 国网浙江省电力有限公司嘉兴供电公司 | Induction type voltage dip detection device and method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210108 |
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| WW01 | Invention patent application withdrawn after publication |