CN109309515B - Three-frequency-band power carrier signal sensor - Google Patents
Three-frequency-band power carrier signal sensor Download PDFInfo
- Publication number
- CN109309515B CN109309515B CN201811259542.5A CN201811259542A CN109309515B CN 109309515 B CN109309515 B CN 109309515B CN 201811259542 A CN201811259542 A CN 201811259542A CN 109309515 B CN109309515 B CN 109309515B
- Authority
- CN
- China
- Prior art keywords
- shell
- iron core
- core group
- signal
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000565 sealant Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
Abstract
The invention discloses a tri-band power carrier signal sensor, which comprises a shell, an iron core group, a ground wire and three groups of signal connectors, wherein the iron core group is arranged in the shell, the shell and the iron core group are coaxially arranged and axially provided with through holes through which a power cable can pass, one end of each group of signal connectors is provided with a coil, the other end of each group of signal connectors extends out of the shell, and the coils are wound on the iron core group; one end of the ground wire is provided with a contact piece, the other end of the ground wire extends out of the shell, and the contact piece is in contact connection with the iron core in a contact manner. The sensor adopts three groups of signal joints, and the shell is connected with the through holes of the iron core group in a penetrating way, so that carrier signals of three groups of frequency bands on the cable can be introduced into the iron core group, the signals are coupled by the iron core, the signal joints can be externally connected with detection equipment, the coupled signals on the cable are conducted to the detection equipment externally connected with the signal joints, the carrier signals of the three groups of frequency bands on the cable are measured at one time, the communication effect is improved, repeated multiple groups of installation sensors are avoided, and the cost in various aspects is saved.
Description
Technical Field
The invention relates to the field of power systems, in particular to a tri-band power carrier signal sensor.
Background
For power systems, safe and stable operation is a major concern in power systems. In order to ensure the normal operation of the power system, a related detection device is often required, and the power carrier signal sensor is one of the detection devices.
At present, the carrier signal sensor for the outdoor use in the market generally adopts notch type high-frequency magnetic core inductive coupling signals, but is affected by different frequency bands, and three types of installation products, namely high frequency (200 MHz), intermediate frequency (100 MHz) and low frequency (100 KHZ), are needed, so that the procedures of an installation site are complex, the installation difficulty is extremely high, the signal interference between the sensors is serious, and the communication effect is weak.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the tri-band power carrier signal sensor which is highly integrated, avoids multiple groups of repeated installation procedures, and has low installation difficulty and good communication effect.
The technical scheme adopted for solving the technical problems is as follows:
the three-frequency-band power carrier signal sensor comprises a shell, an iron core group, a ground wire and three groups of signal connectors, wherein the iron core group is arranged in the shell, the shell and the iron core group are coaxially arranged and axially provided with through holes through which a power cable can pass, one end of each group of signal connectors is provided with a coil, the other end of each group of signal connectors extends out of the shell, and the coils are wound on the iron core group; one end of the ground wire is provided with a contact piece, the other end of the ground wire extends out of the shell, and the contact piece is in contact connection with the iron core in a contact manner.
As an improvement of the above technical solution, the core group includes three core rings coaxially arranged.
As an improvement of the technical scheme, the shell comprises a circular bottom shell, an inner tube shell and an outer tube shell, wherein the inner tube shell is arranged at the minimum diameter end of the circular bottom shell, the outer tube shell is arranged at the maximum diameter end of the circular bottom shell, and the circular bottom shell, the inner tube shell and the outer tube shell enclose an annular groove.
As an improvement of the technical scheme, the iron core group is arranged in the annular groove, and pouring sealant is sealed and injected between the iron core group and the shell.
As an improvement of the technical scheme, the pouring sealant is positioned at the opening of the annular groove.
As an improvement of the technical scheme, the shell is sleeved with the anchor ear, and the anchor ear is fastened along the peripheral surface of the outer tube shell.
The invention has the beneficial effects that:
the sensor adopts three groups of signal joints, and the shell is connected with the through holes of the iron core group in a penetrating way, so that carrier signals of three groups of frequency bands on the cable can be introduced into the iron core group, the signals are coupled by the iron core, the signal joints can be externally connected with detection equipment, the coupled signals on the cable are conducted to the detection equipment externally connected with the signal joints, the carrier signals of the three groups of frequency bands on the cable are measured at one time, the communication effect is improved, repeated multiple groups of installation sensors are avoided, and the cost in various aspects is saved.
Drawings
The invention will be further described with reference to the accompanying drawings and specific examples, in which:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
fig. 3 is a schematic structural view of a housing according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 and 2, the tri-band power carrier signal sensor of the present invention includes a housing 1, an iron core group 2, a ground wire 3 and three signal connectors 4, the iron core group 2 is disposed in the housing 1, the housing 1 and the iron core group 2 are coaxially disposed and have a through hole 5 along an axial direction through which a power cable can pass, in this embodiment, the iron core group 2 includes three iron core rings coaxially disposed, and when combining with a specific application scenario, the number of the iron core rings may be one or more.
One end of the ground wire 3 is provided with a contact piece 7, and the other end extends out of the shell 1 and is used for grounding, and the contact piece 7 is in contact connection with each iron core ring on the iron core group 2, so that high-voltage drainage can be ensured; the one end of every group signal connection 4 all is equipped with coil 6, and the other end stretches out casing 1, coil 6 winds to establish on iron core group 2, and the frequency channel that three group signal connection 4 corresponds carrier signal is different, is high frequency 200MHz, intermediate frequency 100MHz and low frequency 100KHZ respectively to can introduce the carrier signal of three group frequency channels on the cable in the iron core, couple the signal by the iron core, but signal connection external check out test set, the coupled signal on the cable will be conducted to the external check out test set of signal connection, with the carrier signal of three group frequency channels on the disposable measurement cable.
Referring further to fig. 3, the housing 1 includes a circular bottom shell 11, an inner tube shell 12, and an outer tube shell 13, the inner tube shell 12 is disposed at the minimum diameter end of the circular bottom shell 11, the outer tube shell 13 is disposed at the maximum diameter end of the circular bottom shell 11, and the circular bottom shell 11, the inner tube shell 12, and the outer tube shell 13 enclose an annular groove 14.
With reference to fig. 1, 2 and 3, the iron core group 2 is disposed in the annular groove 14, a pouring sealant 8 is sealed between the iron core group 2 and the housing 1, and the pouring sealant 8 is located at an opening of the annular groove 14, so as to play a role in high-pressure-resistant breakdown-resistant protection.
In addition, the casing 1 has cup jointed staple bolt 9 outward, the casing 1 is tightly hooped along the global of outer tube shell 13 to staple bolt 9, strengthens this sensor holistic structural strength, also can conveniently dismantle at any time, is convenient for maintain this sensor.
The present invention is not limited to the above embodiments, but is intended to be within the scope of the present invention as long as the technical effects of the present invention can be achieved by any same or similar means.
Claims (3)
1. The utility model provides a three frequency channel power line carrier signal sensor which characterized in that: the device comprises a shell, an iron core group, a ground wire and three groups of signal connectors, wherein the iron core group is arranged in the shell, the shell and the iron core group are coaxially arranged and axially provided with through holes through which a cable can pass, one end of each group of signal connectors is provided with a coil, the other end of each group of signal connectors extends out of the shell, and the coil is wound on the iron core group; the utility model discloses a cable, including the shell, the shell is connected with the iron core group contact, the frequency channel that three sets of signal connectors correspond carrier signal is 200MHz, 100MHz and 100KHZ respectively, three sets of signal connectors can introduce the carrier signal of three sets of frequency channels on the cable in the iron core group, couple the signal by the iron core group, but the signal connector external test equipment, the coupling signal conduction on the cable is to test equipment to the carrier signal of three sets of frequency channels on the disposable measurement cable, the shell includes ring drain pan, interior shell and outer tube shell, the minimum diameter end of ring drain pan is located to interior shell, the maximum diameter end of ring drain pan is located to outer tube shell, ring drain pan, interior shell and outer tube shell enclose into an annular groove, the iron core group sets up in the annular groove, the seal has the pouring sealant between iron core group and the shell, the pouring sealant is located the opening part of annular groove.
2. The tri-band power carrier signal sensor of claim 1, wherein: the iron core group comprises three iron core rings which are coaxially arranged.
3. The tri-band power carrier signal sensor of claim 1, wherein: the shell is sleeved with the anchor ear, and the anchor ear is fastened along the peripheral surface of the outer tube shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259542.5A CN109309515B (en) | 2018-10-26 | 2018-10-26 | Three-frequency-band power carrier signal sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259542.5A CN109309515B (en) | 2018-10-26 | 2018-10-26 | Three-frequency-band power carrier signal sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109309515A CN109309515A (en) | 2019-02-05 |
| CN109309515B true CN109309515B (en) | 2024-04-02 |
Family
ID=65222172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811259542.5A Active CN109309515B (en) | 2018-10-26 | 2018-10-26 | Three-frequency-band power carrier signal sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309515B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944610A (en) * | 2014-04-30 | 2014-07-23 | 杭州再灵电子科技有限公司 | Signal access device based on three-phase electric PLC (programmable logic controller) |
| CN106374978A (en) * | 2016-08-29 | 2017-02-01 | 阳光电源股份有限公司 | Power carrier signal coupling circuit and communication system |
| CN107040286A (en) * | 2017-05-22 | 2017-08-11 | 珠海市晶宸科技有限公司 | A kind of enhanced power carrier signal sensor |
| CN206728012U (en) * | 2017-05-22 | 2017-12-08 | 珠海市晶宸科技有限公司 | A kind of power carrier signal sensor |
| CN207283547U (en) * | 2017-09-11 | 2018-04-27 | 宁波三星医疗电气股份有限公司 | A kind of carrier communication apparatus for three-phase power line communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103966B (en) * | 2013-04-08 | 2017-03-08 | 富士康(昆山)电脑接插件有限公司 | Micro coaxial cable connector assembly |
-
2018
- 2018-10-26 CN CN201811259542.5A patent/CN109309515B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944610A (en) * | 2014-04-30 | 2014-07-23 | 杭州再灵电子科技有限公司 | Signal access device based on three-phase electric PLC (programmable logic controller) |
| CN106374978A (en) * | 2016-08-29 | 2017-02-01 | 阳光电源股份有限公司 | Power carrier signal coupling circuit and communication system |
| CN107040286A (en) * | 2017-05-22 | 2017-08-11 | 珠海市晶宸科技有限公司 | A kind of enhanced power carrier signal sensor |
| CN206728012U (en) * | 2017-05-22 | 2017-12-08 | 珠海市晶宸科技有限公司 | A kind of power carrier signal sensor |
| CN207283547U (en) * | 2017-09-11 | 2018-04-27 | 宁波三星医疗电气股份有限公司 | A kind of carrier communication apparatus for three-phase power line communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109309515A (en) | 2019-02-05 |
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