CN211086633U - Terminal head enameling and falling detection device - Google Patents
Terminal head enameling and falling detection device Download PDFInfo
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- CN211086633U CN211086633U CN201921838470.XU CN201921838470U CN211086633U CN 211086633 U CN211086633 U CN 211086633U CN 201921838470 U CN201921838470 U CN 201921838470U CN 211086633 U CN211086633 U CN 211086633U
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Abstract
The utility model relates to a terminal end enamel lead falling detection device, which comprises a cable terminal end mounting bracket, a cable armor marking device, a cable armor detection probe (6), a signal processing device (3) and a data transmission device, wherein the cable armor marking device is fixed on a cable armor (2), the cable armor detection probe (6), the signal processing device (3) and the data transmission device are fixed on the cable terminal end mounting bracket, the cable armor marking device is a magnetic device, the position of the cable armor detection probe is adjusted, the cable armor detection probe is positioned at the cable armor marking device, a GPRS alarm wireless communication module (4) is adopted for communication in the detection process, when the cable enamel lead is damaged or the enamel lead of the cable armor (2) falls off, the cable armor (2) is subjected to descending displacement or the cable terminal end connector (1) slides out of the position, the resistance test sensor (5) connected with one end of the cable armor detection probe can immediately detect no signal, judge the fault position and upload the fault position to a server.
Description
Technical Field
The utility model relates to a high-voltage electricity, wireless signal transmission and sensor detect technical field, concretely relates to terminal wards off plumbous detection device that drops.
Background
The high-voltage cable is used as a blood vessel of a city and provides energy required by city life, and once the cable breaks down, the influence on the city life is immeasurable. The main faults of the high-voltage cable line comprise terminal joint faults, the terminal is arranged on a cable tower, and a high-voltage buried cable is hung below the terminal. Due to the self weight of high voltage and the stretching movement of underground water flow of the high-voltage cable, the cable joint of the terminal head is unique, and finally, the armor of the cable is damaged, so that the cable fault is caused.
And few technologies can detect the problem of the cable armored connector of the terminal connector at present. The problem of the cable armor joint fault is represented as cable armor sinking in the early stage, and the lead-lined cable is damaged. The serious heating of the cable armor caused by the damage of the lead-lined cable, even the water inlet of the cable joint. When the armored lead of the cable completely falls off, the partial discharge of the cable is seriously caused, and finally the fault damage of the terminal head is caused, so that unnecessary power failure accidents occur.
The traditional cable lead lining detection adopts an eddy current flaw detection technology. The technology is high in cost and does not support on-line monitoring, and the eddy current probe can be used for judging the fault position only by continuously moving at the cable joint. This results in that eddy current inspection can only be performed at the cable joint, and online monitoring cannot be performed.
The high-voltage cable terminal is installed in the field with severe environment, and a low-voltage power supply corresponding to 220V is difficult to find around. How to achieve a low power consumption and maintenance-free real-time monitoring system is an urgent need. The applicant of the present patent is researching the technical field for many years, and integrating the electromagnetic monitoring technology into the monitoring of the high-voltage cable terminal. Whether the high-voltage cable connector shifts and falls off or not can be detected by extremely low power consumption, and the early warning function before the fault occurs is effectively ensured.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem who exists among the prior art, the utility model provides a terminal wards off plumbous detection device that drops, fix cable armor test probe on cable terminal installing support, and fixed cable armor mark device on the cable armor, adjustment cable armor test probe position, make cable armor test probe be located cable armor mark device department, it drops to ward off plumbous damage or cable armor as the cable, when the cable armor takes place to descend displacement or cable terminal joint gliding shift-out position, just can judge the fault location and upload the server.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The utility model provides a terminal wards off plumbous detection device that drops, including the cable terminal installing support, still include cable armor mark device, cable armor test probe, signal processing device and data transmission device, the cable armor mark device is fixed in on the cable armor, cable armor test probe, signal processing device and data transmission device are fixed in on the cable terminal installing support.
Preferably, the cable armouring marking device is a magnetic device made of a magnetic material.
In any of the above solutions, it is preferable that the cable sheath marking device is installed at a corrugated sheath of a cable sheath.
In any of the above-described embodiments, it is preferable that the cable sheath marking device is provided in plurality.
In any of the above technical solutions, preferably, the cable sheath detection probe employs a hall element.
In any of the above technical solutions, preferably, the cable sheath detection probe is installed above the cable sheath marking device.
In any one of the above-described embodiments, it is preferable that the cable sheath detection probe is provided in plurality.
In any of the above technical solutions, preferably, a cable sheath marking device made of a magnetic material is installed at a corrugated sheath of a cable sheath, and a cable sheath detection probe of a hall element is correspondingly installed above the cable sheath marking device.
In any of the above technical solutions, preferably, the plurality of magnetic material cable sheath marking devices are installed at a corrugated sheath of the cable sheath, and the cable sheath detection probes of the plurality of hall elements are installed above the plurality of cable sheath marking devices in a one-to-one correspondence manner.
In any of the above technical solutions, it is preferable that the cable armouring detection probe is wirelessly connected with the cable armouring marking device, and the cable outer insulating layer and the heat shrinkable tube are nested in the middle.
In any of the above technical solutions, preferably, the signal processing apparatus includes a single chip microcomputer I, and the single chip microcomputer I is a low power consumption mode single chip microcomputer.
In any of the above technical solutions, preferably, the single chip I in the low power consumption mode is mounted on the cable termination mounting bracket.
In any of the above technical solutions, preferably, the data transmission device includes a single chip microcomputer II, and the single chip microcomputer II is a low power consumption mode single chip microcomputer.
In any of the above technical solutions, preferably, the single chip microcomputer II in the low power consumption mode is mounted on the cable terminal mounting bracket.
In any of the above technical solutions, preferably, the data transmission device includes a GPRS alarm wireless communication module.
In any of the above technical solutions, preferably, the data transmission device and the signal processing device are of an integrated design structure.
The utility model also provides a terminal enamels lead and drops detection method. The detection method of the terminal lead lining falling-off detection device comprises the following steps:
a cable armor detection probe is arranged outside the cable outer sheath, the cable armor detection probe is fixed on the cable terminal mounting bracket, and a cable armor marking device is fixedly arranged on the cable armor and is a magnetic device;
adjusting the position of a cable armor detection probe to enable the cable armor detection probe to be positioned at a cable armor marking device, and adopting a GPRS alarm wireless communication module for communication in the detection process;
when the cable is damaged in a lead lining mode or the cable armor is broken in a lead lining mode, the cable armor is lowered to move or the cable terminal connector slides downwards to move out of the position, the resistance test sensor connected to one end of the cable armor detection probe cannot detect signals at once, the fault position is judged, and the signals are uploaded to a server.
Compared with the prior art, the above technical scheme of the utility model following beneficial effect has:
by adopting the terminal lead lining falling-off detection device, the fault latency of the cable terminal joint can be found when the cable armor is displaced; before the fault is not developed into a power failure accident, the cable terminal connector is repaired in time. The technical scheme of the utility model become the prerequisite of the steady operation of guarantee high tension cable circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the lead lining falling-off detection device for the terminal according to the present invention.
Reference numerals: the device comprises a cable terminal connector 1, a cable armor 2, a signal processing device 3, a GPRS alarm wireless communication module 4, a resistance test sensor 5 and a cable armor detection probe 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to solve the technical defect that cable termination structure detects to exist among the prior art, the embodiment of the utility model provides a terminal enameling lead and drops detection device and method, fix cable armor test probe on cable termination installing support, and fix cable armor mark device on the cable armor, adjustment cable armor test probe position, make cable armor test probe be located cable armor mark device department, it drops to wait for plumbous damage or cable armor enameling lead when the cable, the cable armor takes place to descend displacement or cable termination and glides out the position, just can judge the fault location and upload the server.
As shown in fig. 1, the terminal lead lining falling-off detection device of the present embodiment includes a cable terminal mounting bracket, a cable armor marking device, a cable armor detection probe 6, a signal processing device 3 and a data transmission device, the cable armor marking device is fixed on the cable armor 2, and the cable armor detection probe 6, the signal processing device 3 and the data transmission device are fixed on the cable terminal mounting bracket.
In the terminal lead lining falling-off detection device of the embodiment, the cable armor marking device is a magnetic device made of a magnetic material.
In the terminal lead-lined falling-off detection device of the embodiment, the cable armor marking device is installed at the corrugated sheath of the cable armor 2.
The terminal head lead lining falling-off detection device of the embodiment is provided with one or more cable armor marking devices.
In the terminal lead-lined falling-off detection device of the embodiment, the cable armor detection probe 6 adopts a Hall element.
In the terminal lead lining falling-off detection device of the embodiment, the cable armor detection probe 6 is installed above the cable armor marking device.
In the terminal lead lining falling-off detection device of the embodiment, one or more cable armored detection probes 6 are arranged.
According to the terminal lead-lined falling-off detection device, a cable armor marking device made of a magnetic material is arranged at the corrugated sheath of a cable armor 2, and a cable armor detection probe 6 of a Hall element is correspondingly arranged above the cable armor marking device.
The terminal head of this embodiment is warded off plumbous detection device that drops, also can be as required, adopts the cable armor mark device of a plurality of magnetic material to install in the ripple sheath department of cable armor 2, and the cable armor of a plurality of hall components and parts detects 6 one-to-one's installation in the top of a plurality of cable armor mark devices of cable armor.
In the terminal lead lining falling-off detection device of the embodiment, the cable armor detection probe 6 is in wireless connection with the cable armor marking device, and the cable outer insulating layer and the heat-shrinkable tube are nested in the middle.
In the terminal lead lining falling-off detection device of the embodiment, the signal processing device 3 comprises a single chip microcomputer I, and the single chip microcomputer I adopts a low-power-consumption mode single chip microcomputer.
According to the terminal lead-lined falling-off detection device, the single chip microcomputer I in the low power consumption mode is installed on the cable terminal installation support.
The terminal head enameling and falling detection device of the embodiment comprises a single chip microcomputer II, wherein the single chip microcomputer II is a low-power-consumption mode single chip microcomputer.
According to the terminal lead-lined falling-off detection device, the single chip microcomputer II in the low power consumption mode is installed on the cable terminal installation support.
In the lead lining and dropping detection device for the terminal head of the embodiment, the data transmission device comprises a GPRS alarm wireless communication module 4.
In the lead lining and dropping detection device for the terminal in this embodiment, the data transmission device and the signal processing device 3 are of an integrated design structure.
The detection method adopting the terminal lead lining falling-off detection device comprises the following steps:
a cable armor detection probe 6 is arranged outside the cable outer sheath, the cable armor detection probe 6 is fixed on the cable terminal mounting bracket, and a cable armor marking device is fixedly arranged on the cable armor 2 and is a magnetic device; adjusting the position of a cable armor detection probe 6 to enable the cable armor detection probe 6 to be positioned at a cable armor marking device, and adopting a GPRS alarm wireless communication module 4 for communication in the detection process; when the cable is damaged in a lead lining mode or the cable armor 2 is stripped off in a lead lining mode, the cable armor 2 is lowered to move or the cable terminal connector 1 slides downwards to move out of the position, the resistance test sensor 5 connected to one end of the cable armor detection probe 6 can immediately detect no signal, the fault position is judged, and the signal is uploaded to a server. The utility model discloses technical scheme ingenious uses the magnetic field detection technique at high tension cable terminal, cooperates the GPRS warning communication system of low-power consumption, can accomplish to need not external power supply can work the long-life of 10 years. Compared with the traditional detection means for lead lining and falling off of the cable terminal, the detection method has the advantages of low technical cost, high stability, accurate monitoring and maintenance-free use for 10 years.
Adopt the terminal end of this embodiment to ward off plumbous detection device that drops, utilize magnetic material's penetration characteristic, install fixed cable armor mark device on cable armor 2, install cable armor test probe 6 again outside the cable oversheath, cable armor test probe 6 is fixed with cable terminal installing support, so long as cable ward off plumbous damage or cable armor 2 ward off plumbous, cable armor 2 takes place the decline displacement or cable terminal connects 1 gliding shift-out position, resistance test sensor 5 that 6 one end of cable armor test probe is connected just can not detect the signal at once, then judge the fault location, and can upload the server. The device adopts a low-power-consumption maintenance-free design, is installed and used for decades at a time, and has the same service life as a cable. The device adopts the GPRS warning wireless communication module 4 to communicate, so that the trouble of a traditional communication line is eliminated.
By adopting the method for detecting the lead lining falling off of the terminal, the fault latency of the cable terminal connector can be found when the cable armor 2 is displaced; before the fault is not developed into a power failure accident, the cable terminal connector 1 is repaired in time. The technical scheme of the utility model become the prerequisite of the steady operation of guarantee high tension cable circuit.
The above description is only intended to describe the preferred embodiments of the present invention, and not to limit the scope of the present invention; the above description is only a specific embodiment of the present invention, and is not intended to limit the scope of the present invention; without departing from the spirit of the present invention, any modification, equivalent replacement, or improvement made by the technical solution of the present invention by those of ordinary skill in the art should fall within the protection scope defined by the claims of the present invention.
Claims (16)
1. The terminal lead-lining falling-off detection device comprises a cable terminal mounting support and is characterized by further comprising a cable armor marking device, a cable armor detection probe, a signal processing device and a data transmission device, wherein the cable armor marking device is fixed on a cable armor, and the cable armor detection probe, the signal processing device and the data transmission device are fixed on the cable terminal mounting support.
2. The terminal end lead lining falling-off detection device according to claim 1, wherein the cable sheathing and marking device is a magnetic device made of a magnetic material.
3. The terminal end lead lining detachment detection device of claim 2, wherein the cable sheath marking device is installed at a corrugated sheath of a cable sheath.
4. The terminal end lead lining falling-off detection device according to claim 3, wherein a plurality of cable armor marking devices are provided.
5. The terminal lead lining falling-off detection device according to claim 1, wherein the cable armouring detection probe adopts a hall element.
6. The terminal head lead lining stripping detection device according to claim 5, wherein the cable sheathing detection probe is mounted above the cable sheathing marking device.
7. The terminal head lead lining falling-off detection device according to claim 6, wherein a plurality of cable armouring detection probes are provided.
8. The terminal head lead-lined falling-off detection device as claimed in claim 4 or 7, wherein a cable sheathing mark device made of magnetic material is installed at a corrugated sheath of a cable sheathing, and a cable sheathing detection probe of a Hall element is correspondingly installed above the cable sheathing mark device.
9. The terminal head lead lining dropping detection device according to claim 4 or 7, wherein a plurality of cable sheathing mark devices made of magnetic materials are installed at the corrugated sheath of the cable sheathing, and the cable sheathing detection probes of a plurality of Hall elements are installed above the plurality of cable sheathing mark devices in a one-to-one correspondence manner.
10. The apparatus for detecting lead lining detachment of a terminal according to claim 1, wherein the cable sheath detecting probe is wirelessly connected to the cable sheath marking device, and the cable outer insulation layer and the heat shrinkable tube are nested in the middle.
11. The terminal head lead lining falling-off detection device according to claim 1, wherein the signal processing device comprises a single chip microcomputer I, and the single chip microcomputer I adopts a low power consumption mode single chip microcomputer.
12. The terminal lead lining falling-off detection device according to claim 11, wherein the single chip I in the low power consumption mode is mounted on the cable terminal mounting bracket.
13. The terminal head lead lining falling-off detection device according to claim 1, wherein the data transmission device comprises a single chip microcomputer II, and the single chip microcomputer II adopts a low power consumption mode single chip microcomputer.
14. The terminal lead lining falling-off detection device according to claim 13, wherein the single chip microcomputer II in the low power consumption mode is mounted on the cable terminal mounting bracket.
15. The terminal head lead lining shedding detection device according to claim 13, wherein the data transmission device comprises a GPRS alarm wireless communication module.
16. The termination head lead lining falling-off detection device as claimed in claim 13, wherein the data transmission device and the signal processing device are of an integrated design structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921838470.XU CN211086633U (en) | 2019-10-30 | 2019-10-30 | Terminal head enameling and falling detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921838470.XU CN211086633U (en) | 2019-10-30 | 2019-10-30 | Terminal head enameling and falling detection device |
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| CN211086633U true CN211086633U (en) | 2020-07-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125045A (en) * | 2021-03-29 | 2021-07-16 | 深圳市科曼医疗设备有限公司 | Fault detection method and device, storage medium and infant incubator |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125045A (en) * | 2021-03-29 | 2021-07-16 | 深圳市科曼医疗设备有限公司 | Fault detection method and device, storage medium and infant incubator |
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