CN114200378A - Take on-line monitoring current transformer of early warning function - Google Patents
Take on-line monitoring current transformer of early warning function Download PDFInfo
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- CN114200378A CN114200378A CN202111459306.XA CN202111459306A CN114200378A CN 114200378 A CN114200378 A CN 114200378A CN 202111459306 A CN202111459306 A CN 202111459306A CN 114200378 A CN114200378 A CN 114200378A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000030279 gene silencing Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
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- Transformers For Measuring Instruments (AREA)
Abstract
The invention relates to the technical field of detection equipment, in particular to an online monitoring current transformer with an early warning function, wherein a transformer body comprises a base and a flip cover detachably connected with the base, a through hole for threading is formed between the base and the flip cover, semicircular ring blocks are respectively arranged inside the base and the flip cover, a winding coil enclosed by the two semicircular ring blocks is superposed with the central axis of the through hole, and enameled windings are wound on the two semicircular ring blocks; the early warning unit is including setting up current detection module, microprocessor and the warning module in flip, microprocessor respectively with current detection module, warning module electric connection, wherein, current detection module and enameled wire winding electric connection detect the current load that enameled wire winding bore through current detection module, supply to report to the police in microprocessor control warning module. The problem of current bypass system equipment do not possess current detection's function for the operation personnel can't discover the fault location fast is solved.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to an online monitoring current transformer with an early warning function.
Background
With the development of economy, distribution network uninterrupted operation is rapidly developed and popularized, and uninterrupted projects taking bypasses as important supports are widely applied. In order to further improve the technical level of distribution network uninterrupted operation and improve the safety and the working efficiency of distribution network uninterrupted operation, the research of developing the key technology of novel bypass operation equipment capable of being intelligently monitored becomes an urgent task.
In a prior patent application No. 201721260138.0, an open type residual current transformer is disclosed, and an upper semicircular magnetic ring and a lower semicircular magnetic ring are specifically disclosed; the upper semicircular shell is sleeved outside the upper semicircular magnetic ring; the lower semicircular shell is sleeved outside the lower semicircular magnetic ring; the two ends of the upper semicircular shell and the lower semicircular shell are butted into a ring; the fixing device also comprises a fixing piece, an upper fixing column, a lower fixing column, an upper fixing screw and a lower fixing screw; also comprises a buckling device. The hollow of the residual current transformer can be simply and quickly opened; then, under the condition that the tested line is not powered off, the tested line can penetrate through the hollow part of the annular transformer; then, the upper semicircular shell of the residual current transformer is simply and quickly closed, so that the upper semicircular shell and the lower semicircular shell are butted into a ring, and the residual current transformer works normally. Through above-mentioned scheme, set up a plurality of residual current transformer intervals in being surveyed the circuit, whether there is the safety risk through personnel's inspection, tour measured current, do not have the real-time, and can't discover the fault location fast, need consume a large amount of manpowers.
Disclosure of Invention
In view of this, it is necessary to provide an on-line monitoring current transformer with an early warning function, so as to solve the problem that an operator cannot quickly find a fault location because the existing bypass system device does not have a current detection function.
The invention provides an on-line monitoring current transformer with an early warning function, which comprises
The mutual inductor comprises a mutual inductor body, wherein the mutual inductor body comprises a base and a turnover cover detachably connected with the base, a through hole for threading is formed between the base and the turnover cover, semi-circular ring blocks are arranged inside the base and the turnover cover, a winding coil enclosed by the two semi-circular ring blocks is superposed with the central axis of the through hole, and enameled windings are wound on the two semi-circular ring blocks;
the early warning unit, the early warning unit is including setting up current detection module, microprocessor and the warning module in flip, microprocessor respectively with current detection module, warning module electric connection, wherein, current detection module and enameled wire winding electric connection, through the current load that current detection module detection enameled wire winding bore supplies in microprocessor control warning module reports to the police.
Preferably, the base is hinged to one side of the flip cover, the other side of the flip cover is provided with a hook plate, and the other side of the base is provided with a limiting block matched with the hook plate.
Preferably, the two ports corresponding to the two semicircular ring blocks are provided with lugs, and two ends of the enameled wire on the semicircular ring blocks are electrically connected with the two lugs respectively.
Preferably, the early warning unit further comprises a display screen module and an electric power storage module which are arranged in the flip cover, and the display screen module and the electric power storage module are both electrically connected with the microprocessor.
Preferably, flip's top is provided with the mounting groove, supreme setting gradually under in the mounting groove is followed to power storage module, microprocessor and display screen module, the warning module sets firmly in flip's top and is located one side of mounting groove.
Preferably, a cover plate is fixedly connected to an opening of the mounting groove, and the cover plate is used for sealing the power storage module, the microprocessor and the display screen module in the mounting groove.
Preferably, a glass lens is embedded in the cover plate.
Preferably, the warning module is a buzzer, and the buzzer is provided with a silencing button for turning off alarm sound.
Preferably, the two opposite sides of the lower end of the base are both provided with connecting blocks, and the two connecting blocks are provided with connecting holes.
Preferably, a layer of rubber gasket is adhered to the bottom of the base.
The invention has the beneficial effects that: the invention provides an on-line monitoring current transformer with an early warning function, wherein a current detection module, a microprocessor and a warning module are arranged inside a flip cover, the microprocessor is respectively and electrically connected with the current detection module and the warning module, the current detection module is used for detecting the current load borne by an enameled wire, the microprocessor is used for controlling the warning module to give an alarm, and an operator can quickly determine the position of a fault according to an alarm signal sent by the warning module, so that the fault position is overhauled, and safety accidents are avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an on-line monitoring current transformer with an early warning function according to the present invention;
FIG. 2 is a schematic structural diagram of another view angle of the on-line monitoring current transformer with an early warning function according to the invention;
FIG. 3 is a cross-sectional view of an on-line monitoring current transformer with an early warning function according to the present invention;
FIG. 4 is a schematic view of the structure of the enameled wire and coil of the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
The invention provides an on-line monitoring current transformer with an early warning function, which comprises a transformer body 1 and an early warning unit 2, wherein the early warning unit 2 is arranged in the transformer body 1, and is used for detecting whether a circuit fault occurs or not through the early warning unit 2 and transmitting a fault signal to an operator so as to avoid safety accidents.
More specifically, the mutual inductor body 1 comprises a base 11 and a flip cover 12 detachably connected with the base 11, a through hole 13 for threading is formed between the base 11 and the flip cover 12, semicircular ring blocks 14 are respectively arranged inside the base 11 and the flip cover 12, a winding coil formed by the two semicircular ring blocks 14 coincides with the central axis of the through hole 13, and an enameled winding 15 is wound on each semicircular ring block 14; the two ports corresponding to the two semicircular ring blocks 14 are respectively provided with a lug plate 141, and two ends of the enameled wire 15 on the semicircular ring blocks 14 are respectively electrically connected with the two lug plates 141.
In this embodiment, the base 11 is hinged to one side of the flip 12, the other side of the flip 12 is provided with a hook plate 121, and the other side of the base 11 is provided with a limiting block 111 matched with the hook plate 121. The top of flip 12 is provided with mounting groove 122, the opening part fixedly connected with apron 123 of mounting groove 122, the embedded glass lens that is equipped with of apron 123. It should be noted that, when the base 11 is fixedly connected to the flip 12, the terminal strips 141 at the two corresponding ports of the two semicircular ring blocks 14 are in contact, so that the two enameled wires 15 are connected.
In order to facilitate the installation of the mutual inductor body, the two opposite sides of the lower end of the base 11 are provided with connecting blocks 112, connecting holes are formed in the two connecting blocks 112, the mutual inductor body can be fixed by matching the connecting holes with screws, and a layer of rubber gasket 113 is adhered to the bottom of the base 11.
Further, early warning unit 2 is including setting up current detection module 21, microprocessor 22 and the warning module 23 in flip 12, microprocessor 22 respectively with current detection module 21, warning module 23 electric connection, wherein, current detection module 21 and enameled wire 15 electric connection, through current detection module 21 detects the current load that enameled wire 15 bore, supplies in microprocessor 22 controls warning module 23 and reports to the police. Specifically, the warning module 23 is a buzzer, and the buzzer is provided with a silencing button for turning off the alarm sound. Of course, the warning module 23 may also be a warning light, and the warning light may change different colors according to the magnitude of the current load.
On the basis of the above scheme, the early warning unit 2 further includes a display screen module 24 and an electric storage module 25 that are disposed in the mounting groove 122, and both the display screen module 24 and the electric storage module 25 are electrically connected to the microprocessor 22. Specifically, the power storage module 25, the microprocessor 22 and the display screen module 24 are sequentially arranged in the mounting groove 122 from bottom to top, and the warning module 23 is fixedly arranged at the top of the flip 12 and located at one side of the mounting groove 122. The cover plate 123 is used for sealing the power storage module 25, the microprocessor 22 and the display screen module 24 in the mounting groove 122. The display screen module 24 can display the current value measured by the current detection module 21, so that an operator can conveniently observe the current change condition.
In the present embodiment, the power storage module further includes a control button 24 disposed on the top of the flip 12 and located on the other side of the mounting groove 122, the control button 24 is electrically connected to the power storage module 25, and the flip 12 is further provided with a charging interface electrically connected to the power storage module 25.
In the using process, the position to be detected bypasses the through hole 13, the hook plate 121 is matched with the limiting block 111 to fix the base 11 and the flip cover 12, meanwhile, a screw penetrates through a connecting hole in the connecting block 112 to fix the mutual inductor body at the position to be detected, and if the current detection module 21 detects that the current of the enameled wire 15 is not within the range of the set threshold value, the microprocessor 22 can control the warning module 23 to give an alarm.
The invention has the beneficial effects that:
the invention provides an on-line monitoring current transformer with an early warning function, wherein a current detection module, a microprocessor and a warning module are arranged inside a flip cover, the microprocessor is respectively and electrically connected with the current detection module and the warning module, the current detection module is used for detecting the current load borne by an enameled wire, the microprocessor is used for controlling the warning module to give an alarm, and an operator can quickly determine the position of a fault according to an alarm signal sent by the warning module, so that the fault position is overhauled, and safety accidents are avoided.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An on-line monitoring current transformer with an early warning function is characterized by comprising
The transformer comprises a transformer body, wherein the transformer body comprises a base and a flip cover detachably connected with the base, a through hole for threading is formed between the base and the flip cover, semi-circular ring blocks are arranged inside the base and the flip cover, a winding coil formed by the two semi-circular ring blocks is superposed with the central axis of the through hole, and enameled windings are wound on the two semi-circular ring blocks;
the early warning unit, the early warning unit is including setting up current detection module, microprocessor and the warning module in flip, microprocessor respectively with current detection module, warning module electric connection, wherein, current detection module and enameled wire winding electric connection, through the current load that current detection module detection enameled wire winding bore supplies in microprocessor control warning module reports to the police.
2. The on-line monitoring current transformer with the early warning function as claimed in claim 1, wherein the base is hinged to one side of the flip, a hook plate is arranged on the other side of the flip, and a limiting block matched with the hook plate is arranged on the other side of the base.
3. The on-line monitoring current transformer with the early warning function as claimed in claim 1, wherein two corresponding ports of the two semicircular ring blocks are respectively provided with a lug, and two ends of an enameled wire on the semicircular ring blocks are respectively electrically connected with the two lugs.
4. The on-line monitoring current transformer with the early warning function as claimed in claim 1, wherein the early warning unit further comprises a display screen module and a power storage module which are arranged in the flip cover, and the display screen module and the power storage module are both electrically connected with the microprocessor.
5. The on-line monitoring current transformer with the early warning function according to claim 4, wherein a mounting groove is formed in the top of the flip cover, the power storage module, the microprocessor and the display screen module are sequentially arranged in the mounting groove from bottom to top, and the warning module is fixedly arranged on one side, located on the mounting groove, of the top of the flip cover.
6. The on-line monitoring current transformer with the early warning function as claimed in claim 5, wherein a cover plate is fixedly connected to an opening of the mounting groove, and the cover plate is used for sealing the power storage module, the microprocessor and the display screen module in the mounting groove.
7. The on-line monitoring current transformer with the early warning function as claimed in claim 6, wherein a glass lens is embedded in the cover plate.
8. The on-line monitoring current transformer with the early warning function as claimed in claim 1, wherein the warning module is a buzzer, and a silencing button for turning off an alarm sound is arranged on the buzzer.
9. The on-line monitoring current transformer with the early warning function as claimed in claim 1, wherein connecting blocks are arranged on two opposite sides of the lower end of the base, and connecting holes are arranged on the two connecting blocks.
10. The on-line monitoring current transformer with the early warning function as claimed in claim 1, wherein a layer of rubber gasket is adhered to the bottom of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459306.XA CN114200378A (en) | 2021-12-01 | 2021-12-01 | Take on-line monitoring current transformer of early warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459306.XA CN114200378A (en) | 2021-12-01 | 2021-12-01 | Take on-line monitoring current transformer of early warning function |
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| Publication Number | Publication Date |
|---|---|
| CN114200378A true CN114200378A (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111459306.XA Pending CN114200378A (en) | 2021-12-01 | 2021-12-01 | Take on-line monitoring current transformer of early warning function |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237604A (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Current monitoring warning device for overhead transmission line |
| CN105137257A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Leakage current monitor |
| CN108445333A (en) * | 2018-06-21 | 2018-08-24 | 淮北智淮科技有限公司 | A kind of electric energy quality on-line monitoring device |
| CN109887770A (en) * | 2019-03-24 | 2019-06-14 | 华威博奥(文安)电力设备有限公司 | Multifunction switch intelligence interconnecting module |
| CN209282023U (en) * | 2019-01-18 | 2019-08-20 | 浙江中盾电子有限公司 | A kind of open type current transformer |
| CN110554349A (en) * | 2019-08-22 | 2019-12-10 | 安徽信息工程学院 | Fault early warning device for current transformer |
| CN210015220U (en) * | 2019-05-17 | 2020-02-04 | 惠州市江甘电力科技有限公司 | T-shaped electric pole leakage monitoring device |
| CN210129032U (en) * | 2019-06-04 | 2020-03-06 | 四川欧伦电气设备有限公司 | Device for on-line monitoring fault of current transformer |
| CN214252418U (en) * | 2020-12-24 | 2021-09-21 | 南京斯泰恩智慧能源技术有限公司 | Intelligent indicating device for residual current in transformer area |
-
2021
- 2021-12-01 CN CN202111459306.XA patent/CN114200378A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237604A (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Current monitoring warning device for overhead transmission line |
| CN105137257A (en) * | 2015-07-16 | 2015-12-09 | 国网浙江义乌市供电公司 | Leakage current monitor |
| CN108445333A (en) * | 2018-06-21 | 2018-08-24 | 淮北智淮科技有限公司 | A kind of electric energy quality on-line monitoring device |
| CN209282023U (en) * | 2019-01-18 | 2019-08-20 | 浙江中盾电子有限公司 | A kind of open type current transformer |
| CN109887770A (en) * | 2019-03-24 | 2019-06-14 | 华威博奥(文安)电力设备有限公司 | Multifunction switch intelligence interconnecting module |
| CN210015220U (en) * | 2019-05-17 | 2020-02-04 | 惠州市江甘电力科技有限公司 | T-shaped electric pole leakage monitoring device |
| CN210129032U (en) * | 2019-06-04 | 2020-03-06 | 四川欧伦电气设备有限公司 | Device for on-line monitoring fault of current transformer |
| CN110554349A (en) * | 2019-08-22 | 2019-12-10 | 安徽信息工程学院 | Fault early warning device for current transformer |
| CN214252418U (en) * | 2020-12-24 | 2021-09-21 | 南京斯泰恩智慧能源技术有限公司 | Intelligent indicating device for residual current in transformer area |
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