CN116718228A - Cable joint running state monitoring device - Google Patents
Cable joint running state monitoring device Download PDFInfo
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- CN116718228A CN116718228A CN202310642718.XA CN202310642718A CN116718228A CN 116718228 A CN116718228 A CN 116718228A CN 202310642718 A CN202310642718 A CN 202310642718A CN 116718228 A CN116718228 A CN 116718228A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims description 12
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- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
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- 238000009413 insulation Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
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- 230000018109 developmental process Effects 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
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Abstract
The application relates to the technical field of power supply, in particular to a cable joint operation state monitoring device. When the three-phase cable is used, as the phase difference between the three cables of the three-phase cable is 120 degrees, the three-phase difference is obtained through the detection of the phase difference detection mechanism, whether the three-phase difference accords with 120 degrees is compared, whether the insulativity of the joint of the three-phase cable is normal or not can be known, and when the insulativity is poor, a worker can know through an upper server, so that the three-phase cable can be maintained in time. The environment condition of the joint of the three-phase cable can be known through the environment data, and when the environment condition is severe, a worker can know in time through the upper server, so that corresponding measures are taken.
Description
Technical Field
The application relates to the technical field of power supply, in particular to a cable joint operation state monitoring device.
Background
With the development of society, cable lines gradually replace overhead lines, however, the cable lines are laid underground, the operation environment is complex, particularly, cable intermediate joints in cable wells are complex, 85% of cable faults are caused by cable joint faults, the tightness of the cable joints is far lower than that of cable bodies, and therefore, when water or high humidity exists in the cable wells, the cable joints can be immersed, so that the cable is insulated and damped, the insulation performance is reduced, insulation heating and accelerated aging are carried out, and finally, the cable faults are caused. With the gradual increase of cable lines, the number of joints is also rapidly increased, and the annual cable faults caused by the dampness of intermediate joints are also continuously increased, so that the power supply safety of the cable is greatly reduced. And the fault point searching after the cable joint faults is also a time-consuming work, each joint well needs to be checked manually, or the fault waveform is analyzed by using an instrument and then is searched by using a high-voltage instrument, so that the fault power failure time is prolonged, and the power supply reliability is reduced.
For a cable intermediate joint, general condition operation and maintenance personnel can irregularly patrol and check, drain and leak stoppage are carried out on water in a cable well, but the internal operation condition of the cable joint cannot be known, whether the cable joint is damped and the damping degree are unclear, the internal condition can be known only by stripping the joint after the cable joint fails, but an effective method is not provided for knowing the damping degree of the cable before the cable joint fails when the cable joint is damped, the defect cannot be eliminated in time, and the power supply quality is greatly reduced.
To sum up, no effective method is available for knowing the running condition of the cable joint at present, the internal condition cannot be eliminated on the premise that the cable is wet but has no fault, the water-containing intermediate joint well can only be drained at ordinary times, the emergency repair is carried out after the fault, the specific condition of the cable joint cannot be known in time, and therefore defect management cannot be arranged in time, operation and maintenance personnel are in a passive state, and the power supply quality is reduced.
Disclosure of Invention
In view of the above, the application provides a cable joint operation state monitoring device, which can timely know the condition of the cable joint, so that timely measures can be taken according to specific conditions, and the power supply quality is improved.
In a first aspect, the present application provides a device for monitoring the operation state of a cable joint, including: the phase difference detection mechanism is arranged at the joint of the three-phase cable and is used for detecting the three-phase difference of the three-phase cable; the environment detection mechanism is arranged at the joint of the three-phase cable and is used for detecting environment data at the joint of the three-phase cable; and a processor in communication with the phase difference detection mechanism and the environment detection mechanism, respectively, the processor configured to: and acquiring the three-phase difference and the environmental data, and transmitting the three-phase difference and the environmental data to an upper server.
When the three-phase cable is used, as the phase difference between the three cables of the three-phase cable is 120 degrees, the three-phase difference is obtained through the detection of the phase difference detection mechanism, whether the three-phase difference accords with 120 degrees is compared, whether the insulativity of the joint of the three-phase cable is normal or not can be known, and when the insulativity is poor, a worker can know through an upper server, so that the three-phase cable can be maintained in time. The environment condition of the joint of the three-phase cable can be known through the environment data, and when the environment condition is severe, a worker can know in time through the upper server, so that corresponding measures are taken.
With reference to the first aspect, in one possible implementation manner, the three-phase cable includes a first cable, a second cable, and a third cable; wherein the phase difference detection mechanism includes: a first detector disposed at a first cable joint of the first cable, the first detector configured to detect a first ground current of the first cable joint; a second detector disposed at a second cable joint of the second cable, the second detector being configured to detect a second ground current of the second cable joint; a third detector disposed at a third cable joint of the third cable, the third detector configured to detect a third ground current of the third cable joint; and a phase calculator electrically connected to the first detector, the second detector, and the third detector, respectively, the phase calculator configured to: obtaining the first grounding current, the second grounding current and the third grounding current, obtaining a first phase difference of the first grounding current and the second grounding current, obtaining a second phase difference of the second grounding current and the third grounding current, and obtaining a third phase difference of the first grounding current and the third grounding current.
With reference to the first aspect, in one possible implementation manner, the distance between the first cable connector and the second cable connector is smaller than a first preset distance, the distance between the second cable connector and the third cable connector is smaller than a second preset distance, and the distance between the first cable connector and the third cable connector is smaller than a third preset distance.
With reference to the first aspect, in a possible implementation manner, the processor is further configured to: and if the first phase difference, the second phase difference and the third phase difference are not equal to the preset phase difference, generating a first early warning signal and sending the first early warning signal to the upper server.
With reference to the first aspect, in one possible implementation manner, the preset phase difference is 120 °.
With reference to the first aspect, in one possible implementation manner, the first detector includes: the first current transformer comprises a first mutual inductance coil which is arranged on the outer wall of the cable metal shielding layer of the first cable connector; the second detector includes: the second current transformer comprises a second mutual inductance coil which is arranged on the outer wall of the cable metal shielding layer of the second cable connector; the third detector includes: the third current transformer comprises a third mutual inductance coil, and the third mutual inductance coil is installed on the outer wall of the cable metal shielding layer of the third cable connector.
With reference to the first aspect, in one possible implementation manner, the environment detection mechanism includes: and the humidity detection mechanism is used for detecting humidity data at the joint of the three-phase cable.
With reference to the first aspect, in one possible implementation manner, the humidity detection mechanism includes: the first humidifier is arranged at a first cable joint of the first cable and is used for detecting a first humidity value of the first cable joint; the second humidifier is arranged at a second cable joint of the second cable and is used for detecting a second humidity value of the second cable joint; and a third hygrometer, which is arranged at a third cable joint of the third cable and is used for detecting a third humidity value of the third cable joint.
With reference to the first aspect, in a possible implementation manner, the processor is further configured to: and if one or more of the first humidity value, the second humidity value and the third humidity value is greater than a preset humidity value, generating a second early warning signal and sending the second early warning signal to the upper server.
With reference to the first aspect, in one possible implementation manner, the method further includes: and the three-phase cable is arranged in the cable well, and the processor is arranged on the inner wall of the cable well.
Drawings
Fig. 1 is a schematic structural diagram of a cable joint operation state monitoring device according to an embodiment of the application.
Fig. 2 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application.
Fig. 3 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application.
Fig. 4 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application.
Fig. 5 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application.
Fig. 6 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The following description is presented to enable one skilled in the art to make and use the application and to incorporate it into the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to persons skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the application. It will be apparent, however, to one skilled in the art that the application may be practiced without limitation to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present application.
The reader is directed to all documents and documents filed concurrently with this specification and open to public inspection with this specification, and the contents of all such documents and documents are incorporated herein by reference. All the features disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic set of equivalent or similar features.
Note that where used, the designations left, right, front, back, top, bottom, forward, reverse, clockwise, and counterclockwise are used for convenience only and do not imply any particular orientation of securement. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Note that, where used, further, preferably, further and more preferably, the brief description of another embodiment is made on the basis of the foregoing embodiment, and further, preferably, further or more preferably, the combination of the contents of the rear band with the foregoing embodiment is made as a complete construction of another embodiment. A further embodiment is composed of several further, preferably, still further or preferably arrangements of the strips after the same embodiment, which may be combined arbitrarily.
The application is described in detail below with reference to the drawings and the specific embodiments. It is noted that the aspects described below in connection with the drawings and the specific embodiments are merely exemplary and should not be construed as limiting the scope of the application in any way.
With the development of society, cable lines gradually replace overhead lines, however, the cable lines are laid underground, the operation environment is complex, particularly, cable intermediate joints in cable wells are complex, 85% of cable faults are caused by cable joint faults, the tightness of the cable joints is far lower than that of cable bodies, and therefore, when water or high humidity exists in the cable wells, the cable joints can be immersed, so that the cable is insulated and damped, the insulation performance is reduced, insulation heating and accelerated aging are carried out, and finally, the cable faults are caused. With the gradual increase of cable lines, the number of joints is also rapidly increased, and the annual cable faults caused by the dampness of intermediate joints are also continuously increased, so that the power supply safety of the cable is greatly reduced. And the fault point searching after the cable joint faults is also a time-consuming work, each joint well needs to be checked manually, or the fault waveform is analyzed by using an instrument and then is searched by using a high-voltage instrument, so that the fault power failure time is prolonged, and the power supply reliability is reduced.
For a cable intermediate joint, general condition operation and maintenance personnel can irregularly patrol and check, drain and leak stoppage are carried out on water in a cable well, but the internal operation condition of the cable joint cannot be known, whether the cable joint is damped and the damping degree are unclear, the internal condition can be known only by stripping the joint after the cable joint fails, but an effective method is not provided for knowing the damping degree of the cable before the cable joint fails when the cable joint is damped, the defect cannot be eliminated in time, and the power supply quality is greatly reduced.
To sum up, no effective method is available for knowing the running condition of the cable joint at present, the internal condition cannot be eliminated on the premise that the cable is wet but has no fault, the water-containing intermediate joint well can only be drained at ordinary times, the emergency repair is carried out after the fault, the specific condition of the cable joint cannot be known in time, and therefore defect management cannot be arranged in time, operation and maintenance personnel are in a passive state, and the power supply quality is reduced.
In view of the above, the application provides a cable joint operation state monitoring device, which can timely know the condition of the cable joint, so that timely measures can be taken according to specific conditions, and the power supply quality is improved.
An exemplary cable joint operating condition monitoring device is as follows:
fig. 1 is a schematic structural diagram of a cable joint operation state monitoring device according to an embodiment of the application. The present application provides a cable joint operation state monitoring device, in one embodiment, as shown in fig. 1, the cable joint operation state monitoring device includes: a phase difference detection means 1, an environment detection means 2, and a processor 3.
The phase difference detection mechanism 1 is installed at a joint of the three-phase cable 4, and the phase difference detection mechanism 1 is used for detecting a three-phase difference of the three-phase cable 4.
The environment detection mechanism 2 is installed at the joint of the three-phase cable 4, and the environment detection mechanism 2 is used for detecting environment data at the joint of the three-phase cable 4.
The processor 3 is in communication connection with the phase difference detection mechanism 1 and the environment detection mechanism 2, respectively, and the processor 3 is configured to: and acquiring the three-phase difference and the environment data, and transmitting the three-phase difference and the environment data to an upper server. The upper server can store the three-phase difference and the environment data after receiving the three-phase difference and the environment data, and pushes the three-phase difference and the environment data to the intelligent terminal of the staff.
When the three-phase cable 4 is used, as the phase difference between the three cables of the three-phase cable 4 is 120 degrees, the three-phase difference is detected by the phase difference detection mechanism 1, whether the three-phase difference accords with 120 degrees is compared, whether the insulativity of the joint of the three-phase cable 4 is normal or not can be known, and when the insulativity is poor, a worker can know through an upper server, so that the three-phase cable can be maintained in time. The environmental condition of the joint of the three-phase cable 4 can be known through the environmental data, and when the environmental condition is severe, the staff can know in time through the upper server, so that corresponding measures are taken.
Fig. 2 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application. In one embodiment, as shown in fig. 2, the three-phase cable 4 includes a first cable 401, a second cable 402, and a third cable 403. Wherein the phase difference detection mechanism 1 includes a first detector 101, a second detector 102, and a third detector 103.
The first detector 101 is arranged at a first cable joint of the first cable 401, the first detector 101 being arranged to detect a first ground current of the first cable joint.
The second detector 102 is disposed at a second cable junction of the second cable 402, the second detector 102 being configured to detect a second ground current of the second cable junction.
The third detector 103 is arranged at a third cable joint of the third cable 403, the third detector 103 being arranged to detect a third ground current of the third cable joint.
The phase calculator is electrically connected to the first detector 101, the second detector 102, and the third detector 103, respectively, and is configured to: obtaining a first grounding current, a second grounding current and a third grounding current, obtaining a first phase difference of the first grounding current and the second grounding current, obtaining a second phase difference of the second grounding current and the third grounding current, and obtaining a third phase difference of the first grounding current and the third grounding current.
In this embodiment, the phase calculator may be integrated into the processor, or may be additionally provided independently of the processor. The obtained first grounding current, second grounding current and third grounding current data comprise phases of the first grounding current, the second grounding current and the third grounding current. Then, according to the phases of the first grounding current, the second grounding current and the third grounding current, a first phase difference, a second phase difference and a third phase difference are obtained, and whether the insulativity of the joint of the three-phase cable 4 is normal can be known. Specifically, when the first phase difference, the second phase difference and the third phase difference are all 120 degrees, it is indicated that the first grounding current, the second grounding current and the third grounding current are all normal, that is, the insulativity of the first cable joint, the second cable joint and the third cable joint is normal.
In an embodiment, the first cable joint and the second cable joint are separated by a distance less than a first predetermined distance, the second cable joint and the third cable joint are separated by a distance less than a second predetermined distance, and the first cable joint and the third cable joint are separated by a distance less than a third predetermined distance.
In this embodiment, the positions of the first cable joint, the second cable joint and the third cable joint are defined, that is, the first cable joint, the second cable joint and the third cable joint adjacent to each other are defined, instead of detecting several joints farther, so that the device structure can be simplified, and the processor can be electrically connected to the first detector 101, the second detector 102 and the third detector 103 adjacent to each other.
In an embodiment, the processor is further configured to: if the first phase difference, the second phase difference and the third phase difference are not equal to the preset phase difference, a first early warning signal is generated and sent to an upper server. In this embodiment, when the first phase difference, the second phase difference, and the third phase difference are all different from the preset phase difference, it is indicated that the insulation properties of the first cable connector, the second cable connector, and the third cable connector are not normal, and a first early warning signal is generated to timely perform early warning prompt.
In one embodiment, the predetermined phase difference is 120 °.
Fig. 3 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application. In one embodiment, as shown in fig. 3, the first detector 101 includes a first current transformer 1011, the first current transformer 1011 includes a first transformer coil 1012, and the first transformer coil 1012 is mounted on the outer wall of the cable metal shielding layer of the first cable joint. The second detector 102 includes a second current transformer 1021, the second current transformer 1021 including a second transformer coil 1022, the second transformer coil 1022 being mounted on an outer wall of a cable metal shield of the second cable joint. The third detector 103 comprises a third current transformer 1031, the third current transformer 1031 comprising a third mutual inductance 1032, the third mutual inductance 1032 being mounted on the outer wall of the cable metal shield of the third cable joint.
In this embodiment, the first grounding current of the cable metal shielding layer of the first cable connector, the second grounding current of the cable metal shielding layer of the second cable connector, and the third grounding current of the cable metal shielding layer of the third cable connector are detected through the first mutual inductor 1012, the second mutual inductor 1022, and the third mutual inductor 1032.
Fig. 4 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application. In one embodiment, as shown in fig. 4, the environment detection mechanism 2 includes a humidity detection mechanism 21, and the humidity detection mechanism 21 is used to detect humidity data at the joint of the three-phase cable.
Fig. 5 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application. In one embodiment, as shown in fig. 5, the humidity detection mechanism 21 includes a first humidifier 211, a second humidifier 212, and a third humidifier 213. The first hygrostat 211 is arranged at a first cable joint of the first cable 401, and the first hygrostat 211 is used for detecting a first humidity value of the first cable joint. The second hygrometer 212 is disposed at a second cable joint of the second cable 402, and the second hygrometer 212 is configured to detect a second humidity value of the second cable joint. The third hygrometer 213 is disposed at a third cable joint of the third cable 403, and the third hygrometer 213 is configured to detect a third humidity value of the third cable joint.
In this embodiment, the first hygrometer 211, the second hygrometer 212 and the third hygrometer 213 are used to detect the humidity values of the positions of the first cable connector, the second cable connector and the third cable connector, so as to more accurately know the environmental conditions of the cables.
In an embodiment, the processor is further configured to: if one or more of the first humidity value, the second humidity value and the third humidity value is greater than the preset humidity value, a second early warning signal is generated and sent to the upper server.
Fig. 6 is a schematic structural diagram of a cable joint operation state monitoring device according to another embodiment of the application. In one embodiment, as shown in fig. 6, the cable joint operation state monitoring device further comprises a cable well 5, the three-phase cable 4 is installed in the cable well 5, the processor 3 is installed on the inner wall of the cable well 5, and the cable well 5 protects the three-phase cable 4, the processor 3, the phase difference detection mechanism 1 and the environment detection mechanism 2.
The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be considered as essential to the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not necessarily limited to practice with the above described specific details.
The block diagrams of the devices, apparatuses, devices, systems referred to in the present application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features herein.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is to be construed as including any modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. A cable joint operating condition monitoring device, comprising:
the phase difference detection mechanism is arranged at the joint of the three-phase cable and is used for detecting the three-phase difference of the three-phase cable;
the environment detection mechanism is arranged at the joint of the three-phase cable and is used for detecting environment data at the joint of the three-phase cable; and
a processor in communication with the phase difference detection mechanism and the environment detection mechanism, respectively, the processor configured to: and acquiring the three-phase difference and the environmental data, and transmitting the three-phase difference and the environmental data to an upper server.
2. The cable joint operation state monitoring device according to claim 1, wherein the three-phase cable includes a first cable, a second cable, and a third cable;
wherein the phase difference detection mechanism includes:
a first detector disposed at a first cable joint of the first cable, the first detector configured to detect a first ground current of the first cable joint;
a second detector disposed at a second cable joint of the second cable, the second detector being configured to detect a second ground current of the second cable joint;
a third detector disposed at a third cable joint of the third cable, the third detector configured to detect a third ground current of the third cable joint; and
a phase calculator electrically connected to the first detector, the second detector, and the third detector, respectively, the phase calculator configured to: obtaining the first grounding current, the second grounding current and the third grounding current, obtaining a first phase difference of the first grounding current and the second grounding current, obtaining a second phase difference of the second grounding current and the third grounding current, and obtaining a third phase difference of the first grounding current and the third grounding current.
3. The apparatus for monitoring the operation state of a cable joint according to claim 2, wherein,
the distance between the first cable joint and the second cable joint is smaller than a first preset distance, the distance between the second cable joint and the third cable joint is smaller than a second preset distance, and the distance between the first cable joint and the third cable joint is smaller than a third preset distance.
4. The apparatus for monitoring the operation state of a cable joint according to claim 2, wherein,
the processor is further configured to: and if the first phase difference, the second phase difference and the third phase difference are not equal to the preset phase difference, generating a first early warning signal and sending the first early warning signal to the upper server.
5. The apparatus for monitoring the operation state of a cable joint according to claim 4, wherein,
the preset phase difference is 120 degrees.
6. The apparatus for monitoring the operation state of a cable joint according to claim 2, wherein,
the first detector includes: the first current transformer comprises a first mutual inductance coil which is arranged on the outer wall of the cable metal shielding layer of the first cable connector;
the second detector includes: the second current transformer comprises a second mutual inductance coil which is arranged on the outer wall of the cable metal shielding layer of the second cable connector;
the third detector includes: the third current transformer comprises a third mutual inductance coil, and the third mutual inductance coil is installed on the outer wall of the cable metal shielding layer of the third cable connector.
7. The cable joint operation state monitoring device according to claim 1, wherein the environment detection mechanism includes:
and the humidity detection mechanism is used for detecting humidity data at the joint of the three-phase cable.
8. The cable joint operation state monitoring device according to claim 7, wherein the humidity detection mechanism includes:
the first humidifier is arranged at a first cable joint of the first cable and is used for detecting a first humidity value of the first cable joint;
the second humidifier is arranged at a second cable joint of the second cable and is used for detecting a second humidity value of the second cable joint; and
and the third hygrostat is arranged at a third cable joint of the third cable and is used for detecting a third humidity value of the third cable joint.
9. The apparatus for monitoring the operation state of a cable joint according to claim 8, wherein,
the processor is further configured to: and if one or more of the first humidity value, the second humidity value and the third humidity value is greater than a preset humidity value, generating a second early warning signal and sending the second early warning signal to the upper server.
10. The cable joint operation state monitoring device according to claim 1, further comprising: and the three-phase cable is arranged in the cable well, and the processor is arranged on the inner wall of the cable well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310642718.XA CN116718228A (en) | 2023-06-01 | 2023-06-01 | Cable joint running state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310642718.XA CN116718228A (en) | 2023-06-01 | 2023-06-01 | Cable joint running state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116718228A true CN116718228A (en) | 2023-09-08 |
Family
ID=87872673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310642718.XA Pending CN116718228A (en) | 2023-06-01 | 2023-06-01 | Cable joint running state monitoring device |
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| Country | Link |
|---|---|
| CN (1) | CN116718228A (en) |
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2023
- 2023-06-01 CN CN202310642718.XA patent/CN116718228A/en active Pending
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