CN214843652U - Cable joint wireless temperature measuring device - Google Patents
Cable joint wireless temperature measuring device Download PDFInfo
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- CN214843652U CN214843652U CN202120925739.9U CN202120925739U CN214843652U CN 214843652 U CN214843652 U CN 214843652U CN 202120925739 U CN202120925739 U CN 202120925739U CN 214843652 U CN214843652 U CN 214843652U
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Abstract
The utility model discloses a cable joint wireless temperature measuring device in the technical field of wireless temperature measurement, which comprises a strip-shaped inner ring with a fracture, a locking belt arranged outside the inner ring, a locking buckle arranged at one end of the inner ring, and a temperature measuring device arranged on the inner ring, wherein the inner ring is inserted into the locking buckle through one end with the locking belt and forms an annular structure after being clamped, the diameter of the inner ring is adjusted through the length of an insertion end, the temperature measuring device is fixed on the cable joint after adjusting the size of the inner ring, through temperature measuring device real-time detection current temperature, circle in still being equipped with wireless power supply unit, temperature measuring device supplies power through wireless power supply unit, and the utility model discloses the structure is succinct, and space capacity is little, has saved external interference factors such as a large amount of peripheral circuits, has improved measuring circuit accuracy to stability is good, easy dismounting's characteristics.
Description
Technical Field
The utility model relates to a wireless temperature measurement technical field specifically is a cable joint wireless temperature measuring device.
Background
The safety and reliability of the operation of the power grid equipment become important factors influencing the direct benefits of various industries and production and life of people, and because the scale of the power grid in China is large and the capital and technical strength are limited, the whole power system is in the way of maintenance and potential safety hazard prevention and treatment. Among the safety issues of power systems, the losses and spread caused by fire in power systems are the largest. The application technology which is preferred in the problems of heating monitoring of power cable joints, insulation detection of running cables and the like in China is the power cable on-line monitoring technology. The monitoring of the temperature of the cable joint can most directly and accurately reflect the actual operation condition of the power cable.
The operating temperature of a cable joint can only be estimated by the metal sheath temperature and the insulation surface temperature, in terms of the state of the art that is currently available. The common cable joint temperature acquisition technology in China is a contact temperature sensing technology and a non-contact temperature sensing technology. The non-contact temperature sensing technology does not need to be in direct contact with a measured object, but needs the handheld equipment of a worker to measure the temperature of the cable connector, the disconnecting link and other parts, is suitable for manual inspection and temperature measurement, and cannot realize online monitoring. In addition, the method also has the defects of high price, large volume, large influence of the measurement precision by the test distance and the like. Contact temperature sensing technology collects cable joint temperature data through these temperature sensing devices. The technology has the advantages of low investment, simple operation and the like. But the working principle determines that the temperature of the local line can only be obtained, the unified monitoring capability of the large-scale power grid is limited, and the large error is easily caused by the influence of environmental factors.
Based on this, the utility model designs a cable joint wireless temperature measuring device to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable joint wireless temperature measuring device to solve above-mentioned technical problem.
In order to realize the purpose, the utility model provides the following technical scheme: the utility model provides a cable joint wireless temperature measuring device, includes a strip and has the inner circle of a fracture, establishes the locking band in the inner circle outside, establish the locking of inner circle one end is detained, is established circle epaxial temperature measuring device, the inner circle is through having the one end in locking band inserts locking is detained and is blocked and form annular structure after dying, the diameter size of inner circle is adjusted through the length that inserts the end, temperature measuring device is through adjusting the big or small after-fixing of inner circle is on cable joint, through temperature measuring device real-time detection current temperature, still be equipped with wireless power supply unit on the inner circle, temperature measuring device passes through wireless power supply unit supplies power.
Preferably, the wireless power supply unit comprises a power-taking magnetic ring arranged on the inner side of the inner ring, a winding arranged on the outer side of one end of the power-taking magnetic ring in the locking buckle cavity, and a storage battery arranged in the locking buckle cavity.
Preferably, the temperature measuring device comprises a point type temperature sensor, a single chip microcomputer, a control circuit board and a wireless transmitting module.
Preferably, the point type temperature sensors are uniformly distributed on the inner side of the inner ring in a multi-point annular manner.
Preferably, the system further comprises a temperature processing terminal and a cloud service platform, wherein the temperature processing terminal comprises a wireless receiving module in wireless transmission with the wireless transmitting module, and the temperature processing terminal and the cloud service platform are in communication connection through NB-iot.
Compared with the prior art, utility model's beneficial effect does:
the utility model discloses a digital temperature chip, the structure is succinct, and space capacity is little, has saved external interference factors such as a large amount of peripheral circuits, has improved the measuring circuit accuracy.
The utility model discloses long service life: the wireless power supply situation is adopted, the power supply time is long, and the stability is good.
The utility model discloses the dismouting is convenient: watchband formula mounting structure, easy dismounting is swift, surely does not influence cable joint.
The utility model discloses extend the performance by force: the distributed idea can be applied, the defects of the traditional temperature testing system are effectively overcome, and the current situations of few temperature measuring points and unsatisfactory system compatibility and expansibility are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.
Fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial enlarged view of the present invention;
fig. 4 is a system block diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the method comprises the steps of 1-inner ring, 2-electricity taking magnetic ring, 3-single chip microcomputer, 4-temperature measuring device, 5-point type temperature sensor, 6-locking buckle, 7-wireless power supply unit, 8-locking belt, 9-storage battery, 10-winding, 11-control circuit board, 12-wireless transmitting module, 13-temperature processing terminal, 14-cloud service platform and 15-wireless receiving module.
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. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a technical solution: the utility model provides a temperature measuring device that cable joint is wireless which characterized in that: the cable connector comprises a strip-shaped inner ring 1 with a fracture, a locking belt 8 arranged on the outer side of the inner ring 1, a locking buckle 6 arranged at one end of the inner ring 1 and a temperature measuring device 4 arranged on the inner ring 1, wherein the inner ring 1 is inserted into the locking buckle 6 through one end with the locking belt 8 and forms an annular structure after being clamped, the diameter of the inner ring 1 is adjusted through the length of an insertion end, and the watch strap type installation structure is convenient and quick to assemble and disassemble and does not influence the cable connector;
the temperature measuring device is fixed on a cable joint after the size of the inner ring 1 is adjusted, the current temperature is detected in real time through the temperature measuring device 4, the temperature measuring device 4 comprises a point type temperature sensor 5, a single chip microcomputer 3, a control circuit board 11 and a wireless transmitting module 12, the point type temperature sensor 5 is an LMT70 temperature sensor, a digital temperature chip is adopted, the structure is simple, the space capacity is small, a large number of external interference factors such as peripheral circuits are omitted, the circuit accuracy of measurement is improved, the wireless transmitting module 12 is a 433MHz wireless module, the point type temperature sensors 5 are arranged on the inner side of the inner ring 1 in a multi-point annular uniform distribution mode, a distributed idea can be applied, the defects of a traditional temperature testing system are effectively overcome, the current situations of few temperature measuring points and unsatisfactory system compatibility and expansibility are improved, and the temperature processing terminal 13 and a cloud service platform 14 are further included, the temperature processing terminal 13 comprises a wireless receiving module 15 wirelessly transmitted with the wireless transmitting module 12, the temperature processing terminal 13 is in communication connection with the cloud service platform 14 through NB-iot, point type temperature sensors 5 are installed on cable joints, temperature data of the cable joints are collected through the point type temperature sensors 5, temperature electric signals transmitted by the point type temperature sensors 5 are processed on site, the temperature processing terminal 13 processed on site is arranged, the cloud service platform 14 stores and processes the obtained cable temperature signals, judges whether the temperature exceeds a set value or not, timely sends out alarm signals when the temperature exceeds the set value, and the cable temperature information and the position number information and the time information of monitoring points obtained by the temperature processing terminal 13 are packaged and transmitted to the cloud service platform 14 through NB-iot communication; the wireless communication network adopted by the device overcomes the defect that a wired network cannot be completely covered, and has the characteristics of convenient network access, low cost and the like;
still be equipped with wireless power supply unit 7 on the inner circle 1, temperature measuring device 4 supplies power through wireless power supply unit 7, specifically, wireless power supply unit 7 is including setting up the electricity getting magnetic ring 2 of 1 inboard at the inner circle, set up and get the winding 10 that the electric magnetic ring 2 lies in the one end outside in the locking buckle 6 cavity and set up battery 9 in the locking buckle 6 cavity, the winding 10 cover is located and is got the electric magnetic ring 2 outside, it establishes the cable joint outside to get electric magnetic ring 2 cover, it forms the direct current after getting electric magnetic ring 2 to pass through the electric current in the cable and stores in battery 9, battery 9 supplies power for temperature measuring device 4 through wireless power supply unit 7, adopt the wireless power supply situation, the power supply time is long, and stability is good.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a temperature measuring device that cable joint is wireless which characterized in that: inner circle (1), the establishment that just has a fracture including a strip, locking area (8) in the inner circle (1) outside establish locking of inner circle (1) one end is detained (6), is established temperature-measuring device (4) on inner circle (1), inner circle (1) is through having the one end of locking area (8) is inserted locking is detained (6) and is formed annular structure after the card dies, the diameter size of inner circle (1) is adjusted through the length that inserts the end, temperature measuring device is through adjusting the big or small after-fixing of inner circle (1) is on cable joint, through temperature-measuring device (4) real-time detection current temperature, still be equipped with wireless power supply unit (7) on inner circle (1), temperature-measuring device (4) pass through wireless power supply unit (7) supply power.
2. The wireless temperature measuring device for the cable joint according to claim 1, wherein: the wireless power supply unit (7) comprises a power taking magnetic ring (2) arranged on the inner side of the inner ring (1), a winding (10) arranged on the outer side of one end of the power taking magnetic ring (2) in the cavity of the locking buckle (6) and a storage battery (9) arranged in the cavity of the locking buckle (6).
3. The wireless temperature measuring device for the cable joint according to claim 1, wherein: the temperature measuring device (4) comprises a point type temperature sensor (5), a single chip microcomputer (3), a control circuit board (11) and a wireless transmitting module (12).
4. The wireless temperature measuring device for the cable joint according to claim 3, wherein: the point type temperature sensors (5) are arranged on the inner side of the inner ring (1) in a multi-point type annular uniform distribution mode.
5. The wireless temperature measuring device for the cable joint according to claim 3, wherein: the temperature control system is characterized by further comprising a temperature processing terminal (13) and a cloud service platform (14), wherein the temperature processing terminal (13) comprises a wireless receiving module (15) which is wirelessly transmitted by the wireless transmitting module (12), and the temperature processing terminal (13) and the cloud service platform (14) are in communication connection through NB-iot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925739.9U CN214843652U (en) | 2021-04-30 | 2021-04-30 | Cable joint wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925739.9U CN214843652U (en) | 2021-04-30 | 2021-04-30 | Cable joint wireless temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214843652U true CN214843652U (en) | 2021-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120925739.9U Active CN214843652U (en) | 2021-04-30 | 2021-04-30 | Cable joint wireless temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214843652U (en) |
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2021
- 2021-04-30 CN CN202120925739.9U patent/CN214843652U/en active Active
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