CN214622788U - Intelligent current temperature sensor of thing networking - Google Patents
Intelligent current temperature sensor of thing networking Download PDFInfo
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- CN214622788U CN214622788U CN202120829403.2U CN202120829403U CN214622788U CN 214622788 U CN214622788 U CN 214622788U CN 202120829403 U CN202120829403 U CN 202120829403U CN 214622788 U CN214622788 U CN 214622788U
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Abstract
The utility model discloses a thing networking intelligence current temperature sensor, its characterized in that: the energy-taking device comprises a main shell, wherein the main shell comprises a cable base, a cable clamping seat, an annular cavity and a cable clamping groove, a Rogowski coil and an energy-taking coil are respectively arranged in the annular cavity, the energy-taking device also comprises a telescopic clamping seat with a spring mechanism, a temperature sensor is also arranged on the telescopic clamping seat of the cable base, a control cavity is also arranged on the main shell, and a control circuit board with wireless communication is arranged in the control cavity before control; the utility model discloses a low-voltage distribution network is intelligent, automatic demand, comprehensive data acquisition and monitoring have, reappear the monitoring cable in real time, female temperature, electric current, the voltage of arranging etc. obtain early hidden danger, guarantee user safety power consumption, it sets up and gets the energy coil and acquires the electric energy and carry out energy storage dual supply through energy storage battery, realize the wireless transmission function of data, whether electrified through electric field induction detection circuitry, whether electrified function when realizing that the idle electroless current of detection circuitry is outdated.
Description
Technical Field
The utility model relates to a thing networking sensor especially involves a thing networking intelligence current temperature sensor.
Background
With the continuous progress and development of science and technology, the internet becomes an indispensable part of daily life of people gradually, the internet of things technology based on the internet is widely applied to various fields of society at present, especially, intelligent wireless products in the electric power related field are taken as the current and future main development direction, and the research and development and design products of sensors based on the internet of things gradually enter the market based on the current low-voltage distribution network and the automation requirements.
The traditional current transformer is generally provided with an iron core, large current on a primary side is converted into small current on a secondary side, and then the small current is subjected to I/V conversion and then is fed to an ADC for sampling, the iron core of the traditional transformer has the problem of easy supersaturation, and the transformer is single in function and only has a simple current collection function.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-functional sensor of intelligent electric current temperature based on internet of things research and development design, it possesses double coil design, dual power supply design, data acquisition transmission an organic whole, makes the utility model discloses have the powerful function that the area got the ability, the area was gathered, was taken the temperature measurement, was electrified perception.
To the above, the utility model discloses a be used for above-mentioned purpose technical scheme: the utility model provides an thing networking intelligence current temperature sensor which characterized in that: including the main casing body, the main casing body is including having semicircle type open-ended cable base and cable cassette, cable base and cable cassette cooperation constitute annular chamber and cable draw-in groove, the annular chamber is provided with two and inside and is provided with the rogowski coil respectively and can the coil, the annular chamber between still be provided with flexible cassette, flexible cassette is provided with spring mechanism respectively, just still be provided with temperature sensor on the flexible cassette of cable base, main casing body one side extends and is provided with the control chamber, the control intracavity is provided with control circuit board, the circuit board is connected the setting with getting can the coil electricity, still be provided with 433M chip and 2.4G chip on the circuit board.
As a further arrangement of the scheme, the circuit board is further provided with an energy storage battery, and the energy storage battery is used for storing energy and supplying power to the circuit board.
As a further arrangement of the above scheme, the rogowski coil is C-shaped, the end portions of the rogowski coil abut against each other to form a ring shape when the cable base and the cable clamping seat are closed, and the abutting position of the end portions of the rogowski coil is provided with an abutting structure which is used for controlling the rogowski coil to form a normal working state when the rogowski coil forms the ring shape.
As a further arrangement of the above scheme, the cable base and the cable clamping seat are further provided with corresponding buckling structures, and the buckling structures are used for performing state locking when the rogowski coils are butted to form a ring shape.
As a further arrangement of the scheme, one side of the cable base is hinged to one side of the cable clamping seat, and the other side of the cable base is provided with a matched buckling mechanism for installing the test cable in a buckling mode.
As a further arrangement of the above scheme, the telescopic clamping seat is provided with toothed anti-slip rubber, the end of the temperature sensor is provided with an elastic telescopic structure, and the end of the surface of the telescopic clamping seat is higher than the end of the anti-slip rubber.
The utility model has the advantages that: the utility model discloses a have the design of rogowski coil, can protect current measuring device to transship 10-20 times unsaturated current, its setting get energy coil and energy storage battery, can realize dual power supply through collecting the electromagnetic energy of the circulation circuit of traffic and converting it into electric energy, provide the priority working power supply for the sensor, when the through current of the measured object conductor is greater than 0.5A, the sensor can start work, and store surplus electric energy in the energy storage battery through intelligent energy storage technology, ensure the continuous stable work of sensor, when the current in the circuit is less than the starting current or the circuit is in the power-off state of no power, supply power through the energy storage battery inside the sensor, keep the normal work of sensor, during the sensor work, according to the collection frequency of settlement, through the surface temperature of temperature sensor measurement cable, the current measurement that the rogowski coil constitutes flows through the cable, the utility model realizes the simultaneous on-line monitoring of the temperature and the current of the cable, and the sensor can automatically adjust the measuring time interval according to the collected energy and transmit the data to the peripheral host with a receiving device through 433MHz wireless or 2.4G wireless communication, the utility model realizes the requirements of intellectualization and automation of the low-voltage distribution network, has comprehensive data acquisition and monitoring, obtains early hidden danger by reproducing and monitoring the temperature, the current and the voltage of the cable, the bus bar and the like in real time, ensures the safe power consumption of users, the energy-taking coil obtains the electric energy by utilizing the electromagnetic energy induced around the power transmission line, monitors the temperature and the current of the cable on line, combines the wireless communication, completes the rapid and accurate reproduction measurement and saves the constraint of the cable, realizes the function of data wireless transmission, the temperature sensor arranged on the telescopic clamping seat directly contacts with the surface of the electrical equipment, and obtains the corresponding voltage signal by sensing the environmental temperature of the contact surface through the built-in analog temperature sensor, and the function of determining the surface temperature of the charged equipment by using a voltage signal sensing relation, detecting whether the line is charged by using non-direct contact and electric field induction and detecting whether the line is charged when no current flows in no load is realized.
Drawings
Fig. 1 is a schematic structural diagram of the sensor of the present invention.
Fig. 2 is a schematic view of the structural decomposition explosion view angle of the sensor of the present invention.
Description of the drawings: 1. a main housing; 11. a cable base; 12. a cable clamp seat; 2. an annular cavity; 21. a Rogowski coil; 22. an energy-taking coil; 25. a butt joint structure; 3. a control chamber; 4. a circuit board; 41. an energy storage battery; 6. a cable slot; 61. a telescopic clamping seat; 62 a spring mechanism; 8. a temperature sensor.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.
As shown in fig. 1-2, the intelligent current temperature sensor of the internet of things is characterized in that: the sensor comprises a main shell body 1 of the sensor, wherein the main shell body 1 comprises a cable base 11 with a semicircular opening and a cable clamping seat 12, the cable base 11 and the cable clamping seat 12 are matched to form an annular cavity 2 and a cable clamping groove 6, the annular cavity 2 is provided with two annular cavities, a Rogowski coil 21 and an energy-taking coil 22 are respectively arranged in the annular cavities, a telescopic clamping seat 61 is also arranged between the annular cavities 2, the telescopic clamping seats 61 are respectively arranged on the cable base 11 and the cable clamping seat 12, the telescopic clamping seats 61 are respectively provided with a spring mechanism 62, a temperature sensor 8 is also arranged on the telescopic clamping seat 61 of the cable base 11, after a cable is placed in the cable clamping groove 6, the cable base 11 and the cable clamping seat 12 are covered, the telescopic clamping seat 61 is tightly clamped on the surface of the cable based on elasticity under the action of the spring mechanism 62, and the cable can be stably clamped by the sensor, and make temperature sensor 8 tightly paste in the cable surface through the centre gripping, spring mechanism 62 can let the product be suitable for more cable models, main casing body 1 one side extends and is provided with control chamber 3, be provided with circuit board 4 of taking control procedure in the control chamber 3, circuit board 4 is connected the setting with getting can coil 22 electricity, still be provided with 433M chip and 2.4G chip on the circuit board 4.
As a further arrangement of the above scheme, the circuit board 4 is further provided with an energy storage battery 41, and the energy storage battery 41 is used for storing energy and supplying power to the circuit board 4.
Through the above-mentioned scheme setting, energy storage battery 41 can be used to and carries out temporary storage to the electric energy after the electromagnetic energy of alternating current live line receives energy-taking coil 22 to turn into the electric energy, on the one hand as the normal stable power supply of sensor, and on the other hand can intelligent storage unnecessary electric energy, guarantees sensor continuous operation and normally carries out the data transmission and the order receipt that electrified induction detected when the sensor under the electroless state.
As a further arrangement of the above scheme, the rogowski coil 21 is C-shaped, and ends of the rogowski coil 21 abut against each other to form a ring shape when the cable base 11 and the cable clamping seat 12 are closed, and an abutting structure 25 is arranged at the abutting position of the ends of the rogowski coil 21, and the abutting structure 25 is used for controlling the rogowski coil 21 to form a ring shape to form a normal working state.
As a further arrangement of the above scheme, corresponding snap structures are further provided on the cable base 11 and the cable clamp 12, and the snap structures are used for performing state locking when the rogowski coil 21 is butted to form a ring shape.
Through the arrangement of the scheme, the Rogowski coil 21 works after the cable base 11 and the cable clamping seat 12 are closed in a ring shape, so that abnormal and inaccurate current signals detected in the detection process of the Rogowski coil 21 on a live conductor are prevented from being fed back to a host when the Rogowski coil 21 is not completely closed.
As a further arrangement of the above scheme, one side of the cable base 11 is hinged to one side of the cable clamping seat 12, and the other side of the cable base is provided with a matched buckling mechanism for installing the test cable in a buckling manner.
As a further arrangement of the above scheme, the telescopic clamping seat 61 is provided with toothed anti-slip rubber, the end of the temperature sensor 8 is provided with an elastic telescopic structure, and the end of the surface of the telescopic clamping seat 61 is higher than the end of the anti-slip rubber.
The working principle is as follows: after the mutual inductor of the utility model is connected with a cable, based on the elastic telescopic structure of the telescopic clamping seat 61, the detecting part of the sensor is pressed against the surface of the cable to be detected, the measured current on the measured conductor flows through the energy-taking coil 22 at the front end to generate electric energy to start and supply the electric energy to the circuit board 4 to start normal work, at the moment, the circuit board 4 is supplied with electric power to control the temperature sensor 8 which is positioned on the telescopic clamping seat 61 and is tightly attached to the measured cable to measure the conductor temperature, when a measured current passes through the Rogowski coil 21 at the rear end of the energy taking coil 22, an output voltage signal is fed back quickly based on the characteristic of high response speed of the Rogowski coil 21, and a real input current detection value is obtained through an integral amplification signal on the circuit board 4.
The operating principle of the Rogowski coil is as follows: it is based mainly on faraday's law of electromagnetic induction and ampere-loop law. When the current to be measured passes through the center of the Rogowski coil along the axis, a correspondingly changed magnetic field is generated in the volume surrounded by the annular winding, the strength of the magnetic field is H, and the Ampere loop law indicates phi H & dl as I (t); when the section is rectangular, the mutual inductance coefficient M is μ 0Nhln (B/a)/2 pi, and the self-inductance coefficient L is μ 0N ^2hln (B/a)/2 pi. Therefore, when the coil is fixed, M is a fixed value, the output voltage of the coil is in direct proportion to di/dt, namely, the output voltage of the Rogowski coil is in direct proportion to the differential of the current to be measured, and the output is directly proportional to the primary current only through an integrator, wherein H represents the magnetic field intensity in the coil; b-magnetic induction inside the coil; μ 0-vacuum permeability; n-number of coil turns; e (t) -the induced voltage across the coil; a-the inner diameter of the coil cross section; b-the outer diameter of the coil cross section; h-section height.
The utility model discloses a have the design of rogowski coil, can protect current measuring device to transship 10-20 times unsaturated current, its setting get energy coil and energy storage battery, can realize dual power supply through collecting the electromagnetic energy of the circulation circuit of traffic and converting it into electric energy, provide the priority working power supply for the sensor, when the through current of the measured object conductor is greater than 0.5A, the sensor can start work, and store surplus electric energy in the energy storage battery through intelligent energy storage technology, ensure the continuous stable work of sensor, when the current in the circuit is less than the starting current or the circuit is in the power-off state of no power, supply power through the energy storage battery inside the sensor, keep the normal work of sensor, during the sensor work, according to the collection frequency of settlement, through the surface temperature of temperature sensor measurement cable, the current measurement that the rogowski coil constitutes flows through the cable, the on-line monitoring of the temperature and the current of the cable is realized, meanwhile, the sensor can automatically adjust the measuring time interval according to the collected energy, and data are transmitted to the external host with the receiving device through 433MHz wireless communication or 2.4G wireless communication.
The utility model discloses a realize the low voltage distribution network intellectuality in thing networking intelligence wireless passive current temperature sensor, the demand of automation, have comprehensive data acquisition and monitoring, through reappearing the temperature, electric current, the voltage of monitoring cable, female arranging etc. in real time, obtain early hidden danger, guarantee user's safe power consumption, the coil of getting energy utilizes the electromagnetic energy of induction around the power transmission line to obtain the electric energy, the temperature of on-line monitoring cable, the electric current, combine wireless communication, accomplish quick accurate reappearance measurement and save the constraint of cable, realize the wireless transmission function of data, the temperature sensor that sets up on its flexible cassette through with electrical equipment surface direct contact, perceive the contact surface ambient temperature through its built-in simulation temperature sensor and obtain corresponding voltage signal, also there is the relation of voltage signal perception, confirm the temperature on electrical equipment surface, and adopt indirect contact, whether the circuit is electrified or not is detected by adopting electric field induction, and whether the circuit is electrified or not is detected when no current flows through the circuit in no load.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides an thing networking intelligence current temperature sensor which characterized in that: the energy-taking cable comprises a main shell body (1), wherein the main shell body (1) comprises a cable base (11) with a semicircular opening and a cable clamping seat (12), the cable base (11) and the cable clamping seat (12) are matched to form an annular cavity (2) and a cable clamping groove (6), the annular cavity (2) is provided with two parts, a Rogowski coil (21) and an energy-taking coil (22) are respectively arranged in the two parts, a telescopic clamping seat (61) is further arranged between the annular cavity (2), the telescopic clamping seat (61) is respectively provided with a spring mechanism (62), a temperature sensor (8) is further arranged on the telescopic clamping seat (61) of the cable base (11), a control cavity (3) is arranged on one side of the main shell body (1) in an extending manner, a control circuit board (4) is arranged in the control cavity (3), and the circuit board (4) is electrically connected with the energy-taking coil (22), the circuit board (4) is also provided with a 433M chip and a 2.4G chip.
2. The intelligent current temperature sensor of the internet of things according to claim 1, wherein: the circuit board (4) is further provided with an energy storage battery (41), and the energy storage battery (41) is used for storing energy and supplying power to the circuit board (4).
3. The intelligent current temperature sensor of the internet of things according to claim 1, wherein: the Rogowski coil (21) is C-shaped, the end parts of the Rogowski coil (21) are abutted to form a ring shape when the cable base (11) and the cable clamping seat (12) are closed, an abutting structure (25) is arranged at the abutting position of the end parts of the Rogowski coil (21), and the abutting structure (25) is used for controlling the Rogowski coil (21) to form a normal working state when the Rogowski coil (21) forms the ring shape.
4. The intelligent current temperature sensor of the internet of things according to claim 1, wherein: and corresponding buckling structures are further arranged on the cable base (11) and the cable clamping seat (12), and the buckling structures are used for locking the state when the Rogowski coil (21) is butted to form a ring shape.
5. The intelligent current temperature sensor of the internet of things according to claim 1, wherein: the cable base (11) is hinged to one side of the cable clamping seat (12), and the other side of the cable base is provided with a matched buckling mechanism for installing and testing a cable in a buckling mode.
6. The intelligent current temperature sensor of the internet of things according to claim 1, wherein: the telescopic clamping seat (61) is provided with toothed anti-slip rubber, the end part of the temperature sensor (8) is provided with an elastic telescopic structure, and the end part of the surface of the telescopic clamping seat (61) is higher than the end part of the anti-slip rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120829403.2U CN214622788U (en) | 2021-04-22 | 2021-04-22 | Intelligent current temperature sensor of thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120829403.2U CN214622788U (en) | 2021-04-22 | 2021-04-22 | Intelligent current temperature sensor of thing networking |
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| Publication Number | Publication Date |
|---|---|
| CN214622788U true CN214622788U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120829403.2U Active CN214622788U (en) | 2021-04-22 | 2021-04-22 | Intelligent current temperature sensor of thing networking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609554A (en) * | 2023-07-19 | 2023-08-18 | 青岛鼎信通讯股份有限公司 | Modularized fault indicator and working method thereof |
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2021
- 2021-04-22 CN CN202120829403.2U patent/CN214622788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116609554A (en) * | 2023-07-19 | 2023-08-18 | 青岛鼎信通讯股份有限公司 | Modularized fault indicator and working method thereof |
| CN116609554B (en) * | 2023-07-19 | 2023-10-24 | 青岛鼎信通讯股份有限公司 | Modularized fault indicator and working method thereof |
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