CN220323460U - Power line monitoring system - Google Patents
Power line monitoring system Download PDFInfo
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- CN220323460U CN220323460U CN202321977204.1U CN202321977204U CN220323460U CN 220323460 U CN220323460 U CN 220323460U CN 202321977204 U CN202321977204 U CN 202321977204U CN 220323460 U CN220323460 U CN 220323460U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 238000004891 communication Methods 0.000 claims abstract description 40
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 27
- 229910052782 aluminium Inorganic materials 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
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- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
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- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a power line monitoring system, and belongs to the technical field of line fault monitoring. The system comprises an integrated current-voltage combined transformer, a monitoring terminal and a system main station, wherein a monitoring device, a direct current power supply module, a communication module, a storage battery and a direct current UPS module are arranged in the monitoring terminal; the primary side of the integrated current-voltage combined transformer is electrically connected with the monitoring power line, the secondary side of the integrated current-voltage combined transformer is electrically connected with the direct current power supply module, and the direct current power supply module is electrically connected with the communication module; the direct-current power supply module is electrically connected with the direct-current UPS module, the direct-current UPS module is electrically connected with the storage battery, and the direct-current UPS module is electrically connected with the communication module; the secondary side of the integrated current-voltage combined transformer is electrically connected with a monitoring device, and the monitoring device is connected with a system main station through a communication module. The system can ensure that enough time exists for uploading data to the system master station after the line fault fails, and solves the problem that information cannot be reported after the line fault fails.
Description
Technical Field
The utility model relates to the technical field of line fault monitoring, in particular to a power line monitoring system.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the rapid development of power systems, the application of overhead and cable hybrid power lines in domestic power distribution network systems is becoming more and more widespread, and the central power supply in large cities and industrial areas plays an important role. Therefore, in order to ensure normal operation of production and life, it is important to monitor faults of the hybrid power line.
In the prior art, fault indicator or transmission line fault diagnosis and monitoring device is adopted for fault monitoring, fault section alarm is carried out on the fault indicator in a fault indicator turn-over mode, the installation density is high, and the fault indicator is easy to damage, high in maintenance cost and large in construction workload. The existing power transmission line fault diagnosis and monitoring device is powered by a storage battery smoothly, the electricity quantity stored by the storage battery is limited, the storage battery needs to be replaced and charged regularly, if the electricity quantity of the storage battery is insufficient when a cable is in fault, the collected fault information cannot be transmitted to a system main station to carry out further fault positioning and analysis, and the fault positioning efficiency is affected.
The patent publication No. CN 219201655U discloses a power transmission line fault diagnosis device, which is powered by a magnetism collecting iron core and a winding, wherein the magnetism collecting iron core and the winding can sense a magnetic field around a high-voltage line where equipment is located and can induce electric energy through electromagnetic induction so as to power the device; although the device does not need to be charged and replaced regularly, the device cannot be powered if the line fails depending on the normal operation of the power transmission line, and the normal operation of the device is affected.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the utility model aims to provide a power line monitoring system, which ensures that a monitoring device and a communication module have enough time to upload collected data to a system main station after line fault and power failure.
In order to achieve the above object, the embodiment of the present utility model provides the following technical solutions:
the power line monitoring system comprises an integrated current-voltage combined transformer, a monitoring terminal and a system master station, wherein a monitoring device, a direct-current power supply module, a communication module, a storage battery and a direct-current UPS module are arranged in the monitoring terminal;
the primary side of the integrated current-voltage combined transformer is electrically connected with a monitoring power line, the secondary side of the integrated current-voltage combined transformer is electrically connected with a direct current power supply module, and the direct current power supply module is electrically connected with the communication module;
the direct-current power supply module is electrically connected with the direct-current UPS module, the direct-current UPS module is electrically connected with the storage battery, and the direct-current UPS module is electrically connected with the communication module;
the secondary side of the integrated current-voltage combined transformer is electrically connected with the monitoring device, and the monitoring device is in communication connection with the system main station through the communication module.
Through adopting above-mentioned technical scheme, get the electricity through integrated current-voltage combination mutual-inductor, provide the AC100V power, through DC power module with AC100V power conversion DC24V power supply for communication module power supply. In order to ensure that the communication module can ensure normal communication between the monitoring device and the system main station when faults occur, a direct-current UPS module and a storage battery are arranged, and when the line is free of faults, the direct-current UPS module charges the storage battery through a direct-current 24V power supply provided by the direct-current power supply module, and the charging of the storage battery is automatically stopped after the storage battery is full; when the line fails and fails, the direct-current UPS module is automatically switched to power supply for the storage battery, and the storage battery supplies power for the communication module through the direct-current UPS module.
Further, the steel bar tower comprises galvanized angle steel brackets which are arranged on the steel bar tower at intervals along the length direction of the steel bar tower;
the integrated current-voltage combined transformer and the monitoring terminal are respectively arranged on the galvanized angle steel bracket, and the integrated current-voltage combined transformer is positioned above the monitoring terminal.
Through adopting above-mentioned technical scheme, install integration current-voltage combination transformer and monitoring terminal on the shaft tower through galvanized angle steel support, convenient and fast.
Preferably, the steel-cored aluminum strand also comprises a steel-cored aluminum strand;
one end of the primary side of the integrated current-voltage combined transformer is electrically connected with a cable, the other end of the primary side of the integrated current-voltage combined transformer is connected with one end of the steel-cored aluminum strand, and the other end of the steel-cored aluminum strand is electrically connected with an overhead conductor through a parallel groove clamp.
Through adopting above-mentioned technical scheme, steel-cored aluminum stranded conductor simple structure, have good electric conductivity and sufficient mechanical strength, tensile strength are big, and integrated current-voltage combination transformer can gather cable and air wire's voltage information and voltage information simultaneously.
Preferably, the cable further comprises a first steel-cored aluminum strand and a second steel-cored aluminum strand;
one end of the primary side of the integrated current-voltage combined transformer is electrically connected with one end of the first steel-cored aluminum strand, the other end of the first steel-cored aluminum strand is electrically connected with one end of the overhead conductor through a parallel groove clamp, one end of another overhead single wire is electrically connected with one end of the second steel-cored aluminum strand through a parallel groove clamp, and the other end of the second steel-cored aluminum strand is electrically connected with the other end of the primary side of the integrated current-voltage combined transformer.
By adopting the technical scheme, the integrated current-voltage combined transformer acquires the voltage information of the overhead conductor.
Preferably, the intelligent monitoring device further comprises an electric box, wherein the monitoring terminal is arranged in the electric box, and the electric box is arranged on the galvanized angle steel bracket.
Through adopting above-mentioned technical scheme, install monitoring terminal at the electric box again on the shaft tower, the stability of reinforcing installation, extension monitoring terminal's life.
Further preferably, the electrical box is made of stainless steel.
By adopting the technical scheme, the electric box is prevented from being corroded.
Preferably, the galvanized angle steel bracket comprises a horizontal plate and a supporting plate, wherein one end of the supporting plate is connected with one end of the horizontal plate, and a certain angle is formed between the supporting plate and the horizontal plate;
the other end of the supporting plate and the other end of the horizontal plate are respectively provided with a connecting piece, and the supporting plate and the connecting plate are arranged on the pole tower through the connecting pieces.
By adopting the technical scheme, the galvanized angle steel has the characteristics of glossy surface, symmetrical zinc layer, no leakage, no drop, strong adhesive force and strong corrosion resistance, and can adapt to outdoor environment and maintain structural stability.
Further, the lightning arrester is arranged on the pole tower.
By adopting the technical scheme, the lightning arrester is utilized to ensure the lightning protection safety of the integrated current-voltage combined transformer and the monitoring terminal.
Further, the Beidou navigation module is arranged in the monitoring terminal and is in communication connection with the monitoring device.
Through adopting above-mentioned technical scheme, big dipper navigation module can receive accurate clock signal and provide monitoring devices, guarantees monitoring devices's time synchronism.
Further, the integrated current-voltage combined transformer is a JLSZV-10 integrated current-voltage combined transformer, the monitoring device is a TDGD-100XC monitoring device, the communication module is a USR-G806W G communication module, the direct-current UPS module is a DR-UPS40 UPS module, the system master station is a system server, and the direct-current power module is an EDR-120-24 direct-current power supply.
The technical scheme provided by the utility model has at least the following technical effects or advantages:
1. according to the technical scheme provided by the utility model, the integrated current-voltage combined transformer is used for taking electricity to supply power for the communication module and the standby power supply; when the line is broken and powered off, the communication module can ensure normal communication between the monitoring device and the system main station, and data are collected and transmitted to the system main station, so that operators can process the next step conveniently.
2. The technical scheme provided by the utility model can be used for simultaneously collecting the voltage information and the voltage information of the cable and the overhead wire, and solves the problems that the overhead wire is difficult to take electricity and the overhead wire cannot simultaneously collect voltage and current traveling waves.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of a system architecture according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an installation of a power line monitoring system on a cable termination pole according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating the installation of a power line monitoring system on a tension rod according to an embodiment of the present utility model;
in the figure: 1. an integrated current-voltage combined transformer; 2. monitoring a terminal; 3. parallel groove clamps; 4. a lightning arrester; 5. galvanized angle steel bracket; 6. steel-cored aluminium strand.
The mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustrations are used for illustration only.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
Example 1
As described in the background art, there is a lack of a power line monitoring system in the prior art, which can ensure that the monitoring device communicates with the system master station when a cable fails, and in order to solve the above technical problems, the present utility model proposes a power line monitoring system.
As shown in fig. 1, in this embodiment, a power line monitoring system is described, where the power line monitoring system includes an integrated current-voltage combined transformer 1, a monitoring terminal 2, and a system master station, and a monitoring device, a dc power module, a communication module, a storage battery, a beidou navigation module, and a dc UPS module are disposed inside the monitoring terminal 2.
Further, the galvanized angle steel bracket 5 is further included, the galvanized angle steel bracket 5 comprises a horizontal plate and a supporting plate, one end of the supporting plate is connected with one end of the horizontal plate, and an included angle of 30 degrees is formed between the supporting plate and the horizontal plate; the other end of backup pad and the other end of horizontal plate are connected with clamp connecting piece respectively, and backup pad and connecting plate pass through clamp connecting piece and install in the shaft tower, horizontal plate perpendicular to shaft tower this moment. The number of galvanized angle steel brackets 5 is 2, and the galvanized angle steel brackets are distributed at intervals along the length direction of the pole tower.
The integrated current and voltage combined transformer 1 is installed in a galvanized angle steel bracket 5, the monitoring terminal 2 is installed in an electric box, an external antenna of the Beidou navigation module is installed at the top of the electric box, the electric box is installed in another galvanized angle steel bracket 5, and the integrated current and voltage combined transformer 1 is located above the monitoring terminal 2.
In this embodiment, the electric box is made of stainless steel.
Further, as shown in fig. 2, in some embodiments, when the power line monitoring system is installed on the cable terminal rod, one end of the primary side of the integrated current-voltage combined transformer 1 is electrically connected with the cable, the other end of the primary side of the integrated current-voltage combined transformer 1 is connected with one end of the steel-cored aluminum strand 6, and the other end of the steel-cored aluminum strand 6 is electrically connected with the overhead conductor through the parallel groove clamp 3. The secondary side of the integrated current-voltage combined transformer 1 is electrically connected with a direct current power supply module, and the direct current power supply module is electrically connected with a communication module; the direct current power supply module is electrically connected with the direct current UPS module, the direct current UPS module is electrically connected with the storage battery, and the direct current UPS module is electrically connected with the communication module.
The integrated current-voltage combined transformer 1 is used for taking electricity, providing an AC100V power supply, and converting the AC100V power supply into a DC24V power supply through a direct current power supply module to supply power for the communication module. In order to ensure that the communication module can ensure normal communication between the monitoring device and the system main station when faults occur, a direct-current UPS module and a storage battery are arranged, and when the line is free of faults, the direct-current UPS module charges the storage battery through a direct-current 24V power supply provided by the direct-current power supply module, and the charging of the storage battery is automatically stopped after the storage battery is full; when the line fails and fails, the direct-current UPS module is automatically switched to power supply for the storage battery, and the storage battery supplies power for the communication module through the direct-current UPS module, wherein the automatic switching of the direct-current UPS module is the existing function of the direct-current UPS module, and the description is omitted.
And a lightning arrester 4 is arranged on the cable terminal pole tower.
The secondary side of the integrated current-voltage combined transformer 1 is electrically connected with a monitoring device, current information and voltage information of a collected mixed power line are transmitted to the monitoring device, a Beidou navigation module is connected with monitoring communication, clock signals are synchronously transmitted to the monitoring device, an analog-to-digital conversion module and a CPU central processing unit are arranged in the monitoring device, the analog-to-digital conversion module receives the current information and the voltage information and converts the current information and the voltage information into voltage digital signals and current digital signals and transmits the voltage digital signals and the current digital signals to the CPU central processing unit, the CPU central processing unit receives the voltage digital signals, the current digital signals and the corresponding clock signals, the CPU central processing unit is in communication connection with a system master station through a communication module, the voltage digital signals, the current digital signals and the corresponding clock signals are simultaneously transmitted to the system master station, and the system master station determines fault positions of the mixed power line by using an existing traveling wave positioning method.
Further, as shown in fig. 3, in some embodiments, the power line monitoring system is installed on a tension rod, one end of the primary side of the integrated current-voltage combined transformer 1 is electrically connected with one end of the steel-cored aluminum stranded wire 6, the other end of the steel-cored aluminum stranded wire 6 is electrically connected with one end of the overhead wire through the parallel groove clamp 3, one end of another overhead single wire is electrically connected with one end of another steel-cored aluminum stranded wire 6 through the parallel groove clamp 3, and the other end of another steel-cored aluminum stranded wire 6 is electrically connected with the other end of the primary side of the integrated current-voltage combined transformer 1.
And a lightning arrester 4 is arranged on the tension-resistant tower.
In the embodiment, the integrated current-voltage combined transformer 1 is a JLSZV-10 integrated current-voltage combined transformer 1, the monitoring device is a TDGD-100-XC monitoring device, the communication module is a USR-G806W G communication module, the direct-current UPS module is a DR-UPS40 UPS module, the system master station is a system server, and the direct-current power module is an EDR-120-24 direct-current power supply.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The power line monitoring system is characterized by comprising an integrated current-voltage combined transformer, a monitoring terminal and a system main station, wherein a monitoring device, a direct-current power supply module, a communication module, a storage battery and a direct-current UPS module are arranged in the monitoring terminal;
the primary side of the integrated current-voltage combined transformer is electrically connected with a monitoring power line, the secondary side of the integrated current-voltage combined transformer is electrically connected with a direct current power supply module, and the direct current power supply module is electrically connected with the communication module;
the direct-current power supply module is electrically connected with the direct-current UPS module, the direct-current UPS module is electrically connected with the storage battery, and the direct-current UPS module is electrically connected with the communication module;
the secondary side of the integrated current-voltage combined transformer is electrically connected with the monitoring device, and the monitoring device is in communication connection with the system main station through the communication module.
2. The power line monitoring system of claim 1, further comprising galvanized angle steel brackets disposed on the tower at intervals along the length of the tower;
the integrated current-voltage combined transformer and the monitoring terminal are respectively arranged on the galvanized angle steel bracket, and the integrated current-voltage combined transformer is positioned above the monitoring terminal.
3. The power line monitoring system of claim 2, further comprising a steel-cored aluminum strand;
one end of the primary side of the integrated current-voltage combined transformer is electrically connected with a cable, the other end of the primary side of the integrated current-voltage combined transformer is connected with one end of the steel-cored aluminum strand, and the other end of the steel-cored aluminum strand is electrically connected with an overhead conductor through a parallel groove clamp.
4. The power line monitoring system of claim 2, further comprising a first steel-cored aluminum strand and a second steel-cored aluminum strand;
one end of the primary side of the integrated current-voltage combined transformer is electrically connected with one end of the first steel-cored aluminum strand, the other end of the first steel-cored aluminum strand is electrically connected with one end of the overhead conductor through a parallel groove clamp, one end of another overhead single wire is electrically connected with one end of the second steel-cored aluminum strand through a parallel groove clamp, and the other end of the second steel-cored aluminum strand is electrically connected with the other end of the primary side of the integrated current-voltage combined transformer.
5. The power line monitoring system of claim 2, further comprising an electrical box, wherein the monitoring terminal is disposed in the electrical box, and wherein the electrical box is disposed in a galvanized angle bracket.
6. The power line monitoring system of claim 5 wherein the electrical box is made of stainless steel.
7. The power line monitoring system of claim 2, wherein the galvanized angle iron bracket comprises a horizontal plate and a support plate, one end of the support plate is connected with one end of the horizontal plate, and a certain angle is formed between the support plate and the horizontal plate;
the other end of the supporting plate and the other end of the horizontal plate are respectively provided with a connecting piece, and the supporting plate and the horizontal plate are arranged on the pole tower through the connecting pieces.
8. The power line monitoring system of claim 1, further comprising a lightning arrester disposed on the tower.
9. The power line monitoring system of claim 1, wherein a Beidou navigation module is arranged in the monitoring terminal and is in communication connection with the monitoring device.
10. The power line monitoring system of claim 1, wherein the integrated current-voltage combined transformer is a JLSZV-10 integrated current-voltage combined transformer, the monitoring device is a TDGD-100XC monitoring device, the communication module is a USR-G806W G communication module, the dc UPS module is a DR-UPS40 UPS module, the system master station is a system server, and the dc power module is an EDR-120-24 dc power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321977204.1U CN220323460U (en) | 2023-07-25 | 2023-07-25 | Power line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321977204.1U CN220323460U (en) | 2023-07-25 | 2023-07-25 | Power line monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN220323460U true CN220323460U (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321977204.1U Active CN220323460U (en) | 2023-07-25 | 2023-07-25 | Power line monitoring system |
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|---|---|
| CN (1) | CN220323460U (en) |
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2023
- 2023-07-25 CN CN202321977204.1U patent/CN220323460U/en active Active
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