CN215003985U - Miniature temperature measuring device for power cable intermediate joint - Google Patents
Miniature temperature measuring device for power cable intermediate joint Download PDFInfo
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- CN215003985U CN215003985U CN202121083843.4U CN202121083843U CN215003985U CN 215003985 U CN215003985 U CN 215003985U CN 202121083843 U CN202121083843 U CN 202121083843U CN 215003985 U CN215003985 U CN 215003985U
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Abstract
The utility model relates to the technical field of power cables, and discloses a miniature temperature measuring device for a power cable intermediate joint, wherein a sleeve is arranged and sleeved at the end part of a cable; the limiting sleeve plates are fixedly communicated with the end parts of the mounting sleeves, a temperature measuring mechanism for measuring the temperature of the intermediate joint is arranged at the cable intermediate joint between the limiting sleeve plates, the temperature measuring mechanism extends along the radial direction of the temperature measuring mechanism, and the temperature is measured in a close-fitting manner along with the expansion and contraction deformation of the cable; the self-power-off device is arranged on one side of the mounting sleeve and used for providing electric energy for the temperature measuring mechanism. The utility model has the advantages that: wide application range and high temperature measuring accuracy.
Description
Technical Field
The utility model relates to a power cable technical field specifically is miniature temperature measuring device of power cable intermediate head.
Background
The temperature of the cable intermediate joint is continuously increased by heat generated by high contact resistance, partial discharge accumulation and the like of the power cable intermediate joint, so that the aging of a cable insulating material is accelerated, the leakage current is gradually increased, and the breakdown or fire disaster is caused to occur to a certain extent.
For timely discovery danger, need the inside temperature of real-time measurement cable intermediate head, discover the cable intermediate head that the temperature rises as early as possible, just can in time get rid of the trouble, guarantee power line's normal operating, prevent the emergence of power failure accident, but current temperature measuring device is generally with the simple intermediate head position of installing at the cable of sensor, the change of temperature, the phenomenon that the intermediate head can take place to expand or contract, there is the sensor and can't follow the intermediate head constantly and change from this, influence measuring accuracy, thereby lead to the damage of cable and dangerous emergence.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature temperature measuring device of power cable intermediate head to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a miniature temperature measuring device for a power cable intermediate joint comprises,
the mounting sleeve is sleeved at the end part of the cable;
the limiting sleeve plates are fixedly communicated with the end parts of the mounting sleeves, a temperature measuring mechanism for measuring the temperature of the intermediate joint is arranged at the cable intermediate joint between the limiting sleeve plates, the temperature measuring mechanism extends along the radial direction of the temperature measuring mechanism, follows the expansion with heat and contraction with cold deformation of the cable, and measures the temperature in a close-fitting manner;
and the self-power-off device is arranged on one side of the mounting sleeve and is used for providing electric energy for the temperature measuring mechanism.
The installation sleeve is sleeved on a cable of a cable intermediate joint to be subjected to temperature measurement, the temperature measurement mechanism is sleeved on the cable intermediate joint, the temperature measurement mechanism is driven to operate through the installation sleeve, the temperature of the intermediate joint is measured in real time, and the temperature measurement mechanism changes along with the deformation of the cable of the intermediate joint.
Compared with the prior art, the beneficial effects of the utility model are that: elasticity through the elastic component tightens up the effect, hug closely the temperature sensor of temperature measurement circle inboard in the outside of treating the attach fitting of temperature measurement, then utilize from the power take-off device to the temperature sensor power supply, the outside transmission information of temperature sensor accessible G wireless communication technique, the temperature that temperature sensor detected is known constantly to the outside of being convenient for, so that timely reply, because the temperature variation of cable is slow gradually, to the inflation and the shrinkage of cable, can influence the change of temperature measurement circle, the elastic action through the elastic component this moment, can keep the change of the follow cable of temperature sensor constantly and change, thereby keep the accuracy that the temperature detected.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of a miniature temperature measuring device of a power cable intermediate joint.
Fig. 2 is a schematic view of a partial three-dimensional structure of a miniature temperature measuring device of a power cable intermediate joint.
FIG. 3 is a schematic top view of a miniature temperature measuring device for an intermediate connector of a power cable.
FIG. 4 is a schematic diagram of a side view of a miniature temperature measuring device of a power cable intermediate connector.
Wherein: the temperature measuring device comprises a mounting sleeve 10, a limiting sleeve plate 11, a temperature measuring mechanism 12, a temperature sensor 13, an elastic part 14, a temperature measuring ring 15, a telescopic component 16, a threaded cylinder 17, a threaded rod 18, a self-powered device 19, a sliding groove 20 and a sliding rod 21.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
Referring to fig. 1-4, the miniature temperature measuring device for the intermediate joint of the power cable comprises
The installation sleeve 10 is sleeved at the end part of the cable;
the limiting sleeve plates 11 are fixedly communicated with the end parts of the mounting sleeves 10, temperature measuring mechanisms 12 for measuring the temperature of the intermediate joints are arranged at the cable intermediate joints between the limiting sleeve plates 11, the temperature measuring mechanisms 12 extend along the radial direction, follow the expansion with heat and contraction with cold deformation of the cables and measure the temperature in a close-fitting manner;
and the self-power-taking device 19 is arranged on one side of the mounting sleeve 10, and the self-power-taking device 19 is used for supplying electric energy to the temperature measuring mechanism 12.
The installation sleeve 10 is sleeved on a cable of a cable intermediate joint to be subjected to temperature measurement, the temperature measurement mechanism 12 is sleeved on the cable intermediate joint, the temperature measurement mechanism 12 is driven to operate through the installation sleeve 10, the temperature of the intermediate joint is measured in real time, and the temperature measurement mechanism 12 changes along with the deformation of the cable of the intermediate joint.
As a preferred embodiment of the present invention, the self-power-taking device 19 is electrically connected to a cable installed inside the installation sleeve 10, and the power transmitted through the cable is utilized.
As an embodiment of the utility model discloses a preferred, temperature measurement mechanism 12 includes a plurality of interconnect annular structure's temperature ring 15, and temperature ring 15 is equidistant cuts into the multistage, and carries out elastic connection through elastic component 14 between every section, utilizes the elasticity of elastic component 14, is convenient for adjust the radial shrink and the extension of temperature ring 15, every section temperature ring 15's inboard all is provided with the temperature sensor 13 of arc structure, temperature sensor 13 with from power take-off 19 electric connection, utilizes the elastic component 14's elastic action for when the laminating of temperature ring 15 suit is on the cable of attach fitting department, can keep temperature sensor 13 and cable closely contact, thereby real-time accurate measurement temperature. Two temperature measuring rings 15 that are located the outside are along its radial direction sliding connection on spacing lagging 11 lateral wall, wherein through set up radial direction's spout 20 on spacing lagging 11's lateral wall, the inside sliding connection of spout 20 has the slide bar 21 of fixing on the temperature measuring ring 15 of corresponding position, through the sliding connection of slide bar 21 with spout 20, realize that temperature measuring ring 15 when carrying out radial extension, still can be with spacing lagging 11 stable connection.
As another preferred embodiment of the utility model, be provided with flexible subassembly 16 between every adjacent temperature ring 15 and carry out telescopic connection, adjust the interval between the temperature ring 15 through flexible subassembly 16, when being convenient for carry out the temperature measurement to the cable junction structure of different length, can evenly adjust the cover operation. The telescopic assembly 16 comprises a threaded cylinder 17 and two threaded rods 18 in threaded connection with two ends of the threaded cylinder 17, the end parts, far away from the threaded cylinder 17, of the threaded rods 18 are fixed on the temperature measuring rings 15, the length of the threaded rods 18 is adjusted by rotating the threaded cylinder 17, and then the distance between the temperature measuring rings 15 is integrally adjusted.
The utility model discloses a theory of operation is: when in use, the installation sleeve 10 is firstly sleeved on the cables at the two ends of the connecting joint of the cable to be measured, meanwhile, the temperature measuring ring 15 is sleeved at the connecting joint, at the moment, the temperature sensor 13 at the inner side of the temperature measuring ring 15 is tightly attached to the outer side of the connecting joint to be measured through the elastic tightening action of the elastic part 14, then, the self-power-taking device 19 is used for supplying power to the temperature sensor 13, the temperature sensor 13 can transmit information to the outside through a 5G wireless communication technology, so that the temperature detected by the temperature sensor 13 can be known conveniently at the outside moment, and the timely response can be conveniently carried out, because the temperature change of the cable is gradually slow, the expansion and contraction of the cable can affect the change of the temperature measuring ring 15, and at the moment, through the elastic action of the elastic part 14, the temperature sensor 13 can be kept constantly changing following the change of the cable, thereby keeping the accuracy of temperature detection.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The miniature temperature measuring device for the intermediate joint of the power cable is characterized by comprising
The mounting sleeve is sleeved at the end part of the cable;
the limiting sleeve plates are fixedly communicated with the end parts of the mounting sleeves, a temperature measuring mechanism for measuring the temperature of the intermediate joint is arranged at the cable intermediate joint between the limiting sleeve plates, the temperature measuring mechanism extends along the radial direction of the temperature measuring mechanism, and the temperature is measured in a close-fitting manner along with the expansion and contraction deformation of the cable;
the self-power-off device is arranged on one side of the mounting sleeve and used for providing electric energy for the temperature measuring mechanism.
2. The miniature power cable intermediate joint temperature measurement device of claim 1, wherein the self-powered device is electrically connected to a cable that is nested inside the mounting sleeve.
3. The miniature temperature measuring device of power cable intermediate joint according to claim 2,
temperature measurement mechanism includes the temperature measurement circle of a plurality of interconnect loop configuration, and the equal interval of temperature measurement circle cuts into the multistage, and carries out elastic connection through the elastic component between every section, every section the inboard of temperature measurement circle all is provided with the temperature sensor of arc structure, temperature sensor and from power take-off electric connection.
4. The miniature temperature measuring device of the power cable intermediate joint as claimed in claim 3, wherein the two outermost temperature measuring rings are slidably connected to the side wall of the position-limiting sleeve plate along the radial direction thereof, and a sliding bar fixed to the temperature measuring ring at the corresponding position is slidably connected to the inside of the sliding groove by forming a sliding groove in the radial direction on the side wall of the position-limiting sleeve plate.
5. The miniature temperature measuring device of power cable intermediate joint according to claim 3 or 4, wherein a telescopic component is arranged between each two adjacent temperature measuring rings for telescopic connection.
6. The miniature temperature measuring device of power cable intermediate joint according to claim 5, wherein the telescopic assembly comprises a threaded barrel and two threaded rods screwed at two ends of the threaded barrel, and the end of the threaded rod far away from the threaded barrel is fixed on the temperature measuring ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121083843.4U CN215003985U (en) | 2021-05-20 | 2021-05-20 | Miniature temperature measuring device for power cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121083843.4U CN215003985U (en) | 2021-05-20 | 2021-05-20 | Miniature temperature measuring device for power cable intermediate joint |
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| Publication Number | Publication Date |
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| CN215003985U true CN215003985U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121083843.4U Active CN215003985U (en) | 2021-05-20 | 2021-05-20 | Miniature temperature measuring device for power cable intermediate joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026416A (en) * | 2023-02-24 | 2023-04-28 | 国网江西省电力有限公司电力科学研究院 | Diversified cable joint monitoring devices |
-
2021
- 2021-05-20 CN CN202121083843.4U patent/CN215003985U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026416A (en) * | 2023-02-24 | 2023-04-28 | 国网江西省电力有限公司电力科学研究院 | Diversified cable joint monitoring devices |
| CN116026416B (en) * | 2023-02-24 | 2023-08-15 | 国网江西省电力有限公司电力科学研究院 | Diversified cable joint monitoring devices |
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