CN210803625U - Prepackage type intelligence electric thing networking sensor - Google Patents
Prepackage type intelligence electric thing networking sensor Download PDFInfo
- Publication number
- CN210803625U CN210803625U CN201921498814.7U CN201921498814U CN210803625U CN 210803625 U CN210803625 U CN 210803625U CN 201921498814 U CN201921498814 U CN 201921498814U CN 210803625 U CN210803625 U CN 210803625U
- Authority
- CN
- China
- Prior art keywords
- sensor
- internet
- things
- current
- current transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides an electric thing networking sensor of prepackage type intelligence belongs to the electric technical field of intelligence. The intelligent electric Internet of things sensor is formed by integrating an electric wiring terminal and a sensor into a whole, so that voltage, current and temperature signals of electric equipment are acquired in real time, and a power supply is led out for external equipment; and the problem of rapid adjustment of different voltage ranges is solved by adopting a current-limiting resistor box. The sensor of the internet of things is preassembled in the electrical equipment and can be used when needed, power failure is not needed, and the intellectualization, integration, miniaturization and modularization of the sensor of the electrical equipment, on-line monitoring and big data acquisition, compatibility, convenience, flexibility, reliability, safety and the like are realized. The device has the advantages of simple structure, low cost, small volume, convenient use and the like, and can be widely applied to various electrical equipment.
Description
Technical Field
The utility model relates to an electric sensor, especially an with electric terminal integrated, the electric thing networking sensor of intelligence. Belong to intelligent electrical monitoring technical field.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems. The performance and status of electrical devices often reflects the performance and status of the power system and is reflected in its operating parameters. Therefore, parameters such as voltage, current and temperature of the electrical equipment need to be monitored in real time, the operation condition is monitored, and whether the operation of the electrical equipment has problems or not is judged in time.
Meanwhile, with the development of information technology and the recent proposal of intelligent manufacturing, the intellectualization of electrical equipment is the mainstream trend of future development, and the corresponding sensor part for carrying out the intellectualized online monitoring of electrical equipment plays an increasingly important role. During the operation of the electrical equipment, the monitoring of the quality of electric energy, the intelligent operation fault diagnosis of the equipment, the intelligent control of the electrical equipment and the like are all based on the online real-time acquisition of the operation parameters of the electrical equipment and the accumulation of operation big data.
At present, the current and voltage sampling mode of the electrical equipment is that when the measurement is needed, a sampling electrical signal is led out from a measured point terminal by a lead, and a current transformer and a voltage transformer are connected to the led-out lead to carry out the conversion and measurement of the current and voltage signals. This method is cumbersome to operate and requires power-off installation; the wiring of the electrical equipment is increased, and particularly, the wiring is complex and is not easy to manage during multipoint monitoring; the situation that the lead pressed into the wiring terminal is poor in contact and even falls off can occur, the reliability of electrical contact is low, the defects of large size, high cost, difficulty in assembling and disassembling, poor compatibility, installation with power failure, poor safety and the like exist, and the implementation and development of intelligent manufacturing in the electrical field are greatly restricted. The Chinese patent 'junction box for monitoring motor operation data' (application number: 201120133292.8) mentions that in the motor junction box, a current transformer passes through a motor terminal post to sample a motor current signal, but a specific structure and a mounting method are not disclosed, while in a conventional situation, the terminal post is short, and the current transformer and the terminal post cannot be directly realized without creative reasonable improvement, and other designs cannot meet the requirements of intelligent electricity.
Disclosure of Invention
In order to overcome the not enough of prior art, the utility model provides an electric thing networking sensor of prepackage type intelligence to realize integrating, miniaturization, the modularization of the electric required sensor of intelligence, and compatibility, convenience, flexibility, reliability, security etc.. The traditional mode of wire piercing is replaced by the electric wiring terminal, the integrated Internet of things sensor is preassembled in the electric equipment, and the sensor can be used immediately when the operation parameter monitoring is needed, even the power failure is not needed, so that the intellectualization of the electric equipment sensor, the on-line monitoring and the big data acquisition is realized, and the intelligent Internet of things sensor has the advantages of simple structure, low cost, small volume, convenience in use and the like.
The utility model provides a technical scheme that its technical problem adopted is:
the pre-installed intelligent electric Internet of things sensor comprises a current transformer (1), a conductor sheet (2), a wiring cylinder (3), an upper fixing nut (4), a lower fixing nut (5), a current transformer output end (6), a conductor sheet leading-out end (7) and an auxiliary end (8), and the pre-installed intelligent electric Internet of things sensor jointly forms an Internet of things sensor (9). The current transformer (1) and the conductor piece (2) are stacked up and down, the insulating layers are arranged for separation, a through hole is formed in the middle of the current transformer and the conductor piece, the wiring column body (3) is a metal cylinder, threads are arranged at two ends of the wiring column body, the wiring column body penetrates through the through hole in the middle of the current transformer (1) and the conductor piece (2), and the wiring column body is screwed up and down and fixed through the upper fixing nut (4) and the lower fixing nut (5. The wiring column body (3) is used as a primary winding of the current transformer (1), and the conductor sheet (2) is stably and reliably electrically connected with the wiring column body (3) through the upper fixing nut (4) or the lower fixing nut (5).
The current transformer output end (6) adopts a shielding twisted pair to lead out signals of the current transformer (1), the conductor sheet leading-out end (7) adopts a shielding single line to be connected with the conductor sheet (2), and the auxiliary end (8) adopts a shielding single line to be connected with the middle line (phase voltage), the ground line (phase voltage), the zero line (phase voltage) or the other phase line (line voltage), and is respectively fixed on the sensor (9) of the internet of things. Signals of current and voltage are led out, and meanwhile, a power supply is led out by the conductor sheet leading-out end (7) and the auxiliary end (8). In practical application, a pre-installation mode is adopted, the incoming line and the outgoing line of the electric main loop are respectively connected with the upper fixing nut (4) and the lower fixing nut (5) in a pressing mode, so that the size is effectively reduced, the wiring of the sensor is simplified, the electric main loop can be directly connected with a measuring device externally when the current needs to be measured, and the electric main loop can be used after being connected, and is convenient to use.
There are various ways to collect the voltage, such as using a hall sensor, or using a conventional current limiting resistor. When the sensor is adopted, the pre-installed intelligent electric Internet of things sensor further comprises a voltage transformer (10), a current-limiting resistor (11) and a voltage transformer output end (12), and strong electricity of voltage is converted into weak electricity signals which can be directly collected. The standard voltage transformer (10) is a four-terminal element with two-way input and two-way output, wherein the two-way input adopts a shielded twisted pair, one input is connected with a conductor sheet leading-out end (7) through a current-limiting resistor (11), and the other input is connected with an auxiliary end (8). The two paths of outputs are connected with the output end (12) of the voltage transformer by adopting a shielded twisted pair and are fixed on the sensor (9) of the Internet of things.
As a more optimized scheme, the preassembled intelligent electric Internet of things sensor comprises a current-limiting resistor box (13) and a protective cover (14), wherein a current-limiting resistor (11) is clamped in the current-limiting resistor box (13) and packaged by the transparent protective cover (14). The current-limiting resistor box (13) is designed in a buckle mode, the current-limiting resistor (11) can be placed in or taken out at any time, the replacement is convenient, and the current-limiting resistor (11) with different resistance values can be conveniently replaced according to different voltage grades. To ensure reliable connection, wire pressing terminals and the like can be used. A protective cover (14) is arranged outside the current-limiting resistor box (13), and a shell of the protective cover (14) is designed to be a transparent structure, so that the specific resistance value of the current-limiting resistor in the box can be observed conveniently while the water and dust are effectively prevented. The protective cover (14) can also adopt a rubber plug structure.
Further, the preassembled intelligent electric Internet of things sensor comprises a temperature sensor (15) and a temperature sensor output end (16). The temperature sensor (15) and the wiring cylinder (3) are tightly attached together, and the output end (16) of the temperature sensor adopts a shielding twisted pair to lead out the signal of the temperature sensor (15) and is fixed on the sensor (9) of the Internet of things.
Because the wiring cylinder (3) is used for connecting the incoming line and the outgoing line of the main electrical loop, the mode that the incoming line and the outgoing line are pressed on the wiring cylinder (3) by nuts is generally adopted, and after long-time operation, the problems of nut loosening, wire nose surface oxidation and the like caused by vibration of electrical equipment can occur, and the phenomenon that the wiring cylinder (3) seriously generates heat and even burns can occur. The temperature of the junction cylinder (3) is monitored, so that accidents can be effectively avoided, the safety and the reliability of the operation of electrical equipment are effectively improved, and serious equipment and economic losses are avoided.
Furthermore, the current transformer (1), the conductor sheet (2), the wiring column body (3) and the internet of things sensor (9) are integrally cast by adopting insulating materials and are of a single-phase or multi-phase integrated structure. In the field of electrical engineering, especially low-voltage distribution, generally adopt three-phase four-wire system, in order to satisfy the field application needs, can be with current transformer (1), conductor piece (2), wiring cylinder (3), voltage transformer (10), temperature sensor (15) some or all, and relevant subassembly to adopt insulating material to pour into a whole with the mode of a set of, three groups or four groups, constitute thing networking sensor (9) jointly. Therefore, the integration level of the sensor is effectively improved, the size is reduced, the structure is simplified, the cost is reduced, and the installation is convenient.
Furthermore, a current direction mark is arranged on the current transformer (1). As the sensor is close to a symmetrical structure in the axial direction, the polarity of a secondary winding of the current transformer (1) is wrong due to the wrong current direction of the current transformer (1), so that the measurement, metering or relay protection action is wrong, and only if the polarity of the current transformer (1) is connected correctly, the instrument and the protection device can work correctly. The current direction mark is marked on the current transformer (1), so that the errors can be effectively avoided.
Because the sampled current, voltage and temperature are weak current signals and are easy to be interfered by electromagnetic waves, the adopted single wire and the twisted pair wire are shielded wires, so that the electromagnetic interference can be effectively reduced, and the sampling and measuring precision is improved.
In addition, if the electrical equipment needs to be provided with a plurality of different control devices, the sensor can be shared as the electric energy data acquisition equipment, and the additional installation and disassembly are not needed, so that the structure is simplified, the cost is reduced, and the electric energy data acquisition equipment is convenient to use and use.
Furthermore, the pre-installed intelligent electric sensor of internet of things comprises an intelligent measurement and control terminal (17) which is provided with a connecting plug (1701), a measurement processing module (1702) and a communication module (1703), wherein the intelligent measurement and control terminal (17) is connected with a terminal on the sensor (9) of the internet of things through the connecting plug (1701).
The connecting plug (1701) can be in flexible connection, the intelligent measurement and control terminal (17) and the Internet of things sensor (9) are in a split structure, and a portable device can be formed at the moment; the intelligent measurement and control terminal (17) and the Internet of things sensor (9) can also be in an integrated structure through hard connection.
The intelligent measurement and control terminal (17) obtains power supply from the conductor sheet leading-out end (7) and the auxiliary end (8); the measurement processing module (1702) collects, analyzes and processes signals sent by the output end (6) of the current transformer, converts analog quantity into digital quantity, and transmits data to the outside in a wired or wireless mode through the communication module (1703). Common wired modes comprise RS232, RS485, CAN buses and the like, common wireless modes comprise Wifi, GPRS, GSM, 4G/5G and the like, and corresponding modules CAN be designed and installed in the communication module (1703) according to requirements.
The intelligent measurement and control terminal (17) can realize multiple functions of data acquisition, recording, analysis, judgment, early warning, alarming, uploading and the like.
Compared with the prior art, the utility model has the advantages of as follows:
1) considering that the electric wiring terminal is the most commonly used device for main loop electric connection in electric equipment, especially a low-voltage power distribution cabinet, the electric wiring terminal is adopted to replace the traditional wire-through mode, a current transformer, a voltage transformer and a temperature sensor are pre-installed, the link of installing the sensor is omitted when measurement is needed, even the electric equipment is not required to be powered off, and the electric wiring terminal can be used after being connected, so that the integration, miniaturization and modularization of the sensor needed by intelligent electricity are realized, and the compatibility, convenience, flexibility, reliability, safety and the like are realized.
2) The sensor integrated with the electric wiring terminal is adopted to provide analog quantity data signals, and the intelligent measurement and control terminal is combined to provide digital quantity information, so that a complete intelligent electric Internet of things sensor is formed. The intelligent monitoring system realizes the intellectualization of the electrical equipment sensor, the on-line monitoring and the big data acquisition, and has the advantages of simple structure, low cost, small volume, convenient use and the like.
3) The conductor sheet is used for leading out a voltage signal from the electric wiring terminal, so that the subsequent voltage measurement or power supply electricity taking is realized, the integral structure is simplified, and the wiring and the measurement are convenient.
4) The current transformer adopts the current direction identification, so that the measurement, metering or relay protection errors caused by the wrong threading direction of the current transformer are effectively avoided, and the stability and reliability of the system operation are improved.
5) The current-limiting resistance box adopts a buckle type design, the resistance value of the current-limiting resistance can be flexibly adjusted according to the voltage grade, the current-limiting resistance can be put in or taken out at any time, the installation and the disassembly are convenient, and the current-limiting resistance value is visible.
6) The temperature probe is installed on the electric wiring terminal, so that the temperature change of the electric wiring terminal can be monitored in real time, serious heating and even burning caused by bolt looseness or wire nose surface oxidation at the electric wiring terminal can be effectively prevented, and equipment and economic loss are avoided.
7) According to the practical situation, the current transformer, the conductor sheet, the electric wiring terminal, the voltage transformer and the temperature probe are made into a single-phase or multi-phase or three-wire or four-wire whole body by adopting insulating materials, so that the wiring is simplified, the volume is reduced, the cost is reduced, the use is flexible, and the temperature sensor is suitable for various types of electrical equipment.
Drawings
FIG. 1: the basic structure of the sensor is shown schematically.
FIG. 2: integrated form intelligent electric thing networking sensor schematic structure.
FIG. 3: and (3) a structural block diagram of the intelligent measurement and control terminal.
In the figure: the system comprises a 1-current transformer, a 2-conductor sheet, a 3-wiring column, a 4-upper fixing nut, a 5-lower fixing nut, a 6-current transformer output end, a 7-conductor sheet leading-out end, an 8-auxiliary end, a 9-Internet of things sensor, a 10-voltage transformer, a 11-current limiting resistor, a 12-voltage transformer output end, a 13-current limiting resistor box, a 14-protective cover, a 15-temperature sensor, a 16-temperature sensor output end, a 17-intelligent measurement and control terminal, a 1701-connecting plug, a 1702-measurement processing module and a 1703-communication module.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings:
fig. 1 is a basic structure schematic diagram of a sensor, fig. 2 is a structure schematic diagram of an integrated intelligent electric internet of things sensor, and fig. 3 is a structure block diagram of an intelligent measurement and control terminal. As shown in fig. 1, fig. 2 and fig. 3, the pre-installed intelligent electric internet of things sensor comprises a current transformer (1), a conductor sheet (2), a wiring column body (3), an upper fixing nut (4), a lower fixing nut (5), a current transformer output end (6), a conductor sheet leading-out end (7), an auxiliary end (8), an internet of things sensor (9), a voltage transformer (10), a current limiting resistor (11), a voltage transformer output end (12), a current limiting resistor box (13), a protective cover (14), a temperature sensor (15), a temperature sensor output end (16), an intelligent measurement and control terminal (17), a connecting plug (1701), a measurement processing module (1702) and a communication module (1703).
In the figure 1, a current transformer (1) and a conductor sheet (2) are stacked up and down, an insulating layer is used for separation, a through hole is formed in the middle of the current transformer and the conductor sheet, a wiring column body (3) is a metal cylinder, threads are arranged at two ends of the wiring column body, the wiring column body penetrates through the through hole in the middle of the current transformer (1) and the conductor sheet (2), and the wiring column body is screwed up and down and fixed through an upper fixing nut (4) and a lower fixing nut (. The wiring column body (3) is used as a primary winding of the current transformer (1), and the conductor sheet (2) is stably and reliably electrically connected with the wiring column body (3) through the upper fixing nut (4) or the lower fixing nut (5). The installation and the dismantlement directly use the spanner to operate on the nut and can accomplish, and are very convenient.
In practical application, a pre-installation mode is adopted to replace the traditional wiring terminal, and the incoming line and the outgoing line of the electric main loop are respectively crimped on the upper fixing nut (4) and the lower fixing nut (5). When the wiring column body (3) is electrified, the current transformer (1) can directly acquire a current sampling signal from the wiring column body (3), a large current signal is converted into a small current signal and is generally controlled between 4 and 20mA, the current transformer (1) signal is led out by the output end (6) of the current transformer by adopting a shielding twisted pair, and the current transformer is directly externally connected with a measuring device when the current is required to be measured, namely the current transformer is used after being connected.
The conductor piece leading-out end (7) is connected with the conductor piece (2) through a shielding single line, the auxiliary end (8) is connected with the middle line (phase voltage), the ground line (phase voltage), the zero line (phase voltage) or the other phase line (line voltage) through the shielding single line, the measurement requirements of different voltages such as the phase voltage and the line voltage are met, and the measurement mode is flexible. In a low-voltage distribution network, 220V phase voltage or 380V line voltage may be between a conductor sheet leading-out end (7) and an auxiliary end (8), so that not only is the leading-out of a voltage signal realized, but also the leading-out of a power supply is realized, and the measurement of subsequent voltage or the power supply electricity taking can be realized.
Fig. 1 is the simplest form of the pre-installed intelligent electric internet of things sensor, a current transformer (1), a conductor sheet (2) and a wiring column body (3) can be poured by adopting an insulating material to form an integrated internet of things sensor (9), and a current transformer output end (6), a conductor sheet leading-out end (7) and an auxiliary end (8) are installed on the internet of things sensor (9). Therefore, the volume is effectively reduced, the wiring of the sensor is simplified, and the measuring device can be directly externally connected when the current is required to be measured, namely, the measuring device can be used after being connected, and the use is convenient.
In fig. 2, the voltage transformer (10) is a four-terminal element with two inputs and two outputs, wherein the two inputs are shielded twisted pair wires, one input is connected with the conductor sheet leading-out terminal (7) through a current-limiting resistor box (13), and the other input is connected with the auxiliary terminal (8). The two outputs are connected with the output end (12) of the voltage transformer by adopting a shielded twisted pair. The current limiting resistor (11) is clamped in the current limiting resistor box (13) and is packaged by a transparent protective cover (14). High-voltage strong electric signals of a conductor sheet leading-out end (7) are converted into weak electric signals of small current through a current limiting resistor (11), and after the weak electric signals are isolated and converted by a voltage transformer (10), the weak electric signals which can be used for measurement are obtained at an output end (12) of the voltage transformer and are generally 4-20mA or 0-5V.
In fig. 2, the current limiting resistor box (13) is designed in a snap-in manner, the current limiting resistor (11) can be put in or taken out at any time, the replacement is convenient, and the current limiting resistors (11) with different resistance values can be conveniently selected and replaced according to different voltage grades. A protective cover (14) is arranged outside a current-limiting resistor box (13) at the output end (12) of the voltage transformer, and a shell of the protective cover (14) is designed to be of a transparent structure, so that the observation of the specific resistance value of the current-limiting resistor in the box is facilitated while the voltage transformer is effectively waterproof and dustproof.
In fig. 2, the temperature sensor (15) and the connection post (3) are closely mounted together, and the output end (16) of the temperature sensor adopts a shielded twisted pair to lead out the signal of the temperature sensor (15). The temperature sensor (15) measures the temperature of the wiring column body (3), and the temperature sensor (15) can be embedded into the conductor sheet (2) for ensuring smooth surface and convenient installation.
Fig. 2 is a complete form of the pre-installed intelligent electric internet of things sensor, and in fig. 2, for convenience of describing a structure and a connection relationship, an upper fixing nut (4) and a lower fixing nut (5) are not drawn, and a voltage transformer (10) and a temperature sensor (15) are separated and drawn. In the actual sensor (9) of the internet of things, the current transformer (1), the conductor sheet (2), the wiring column body (3), the voltage transformer (10) and the temperature sensor (15) can be partially or completely poured into a whole by adopting insulating materials in a one-group, three-group or four-group mode, and the sensor (9) of the internet of things is formed jointly.
And current transformer output (6), conductor piece lead-out end (7), auxiliary end (8), voltage transformer output (12), temperature sensor output (16) all concentrate on installing on thing networking sensor (9), adopt the terminal row, perhaps adopt the mode of pencil plug to draw, are convenient for connect and use. Therefore, the integration level of the sensor is effectively improved, the size is reduced, the structure is simplified, the cost is reduced, the installation is convenient, the sensor can be directly externally connected with a measuring device when the current is required to be measured, and the sensor can be used immediately after being connected and is convenient to use.
In addition, the voltage transformer (10) and the current-limiting resistance box (13) are flexibly placed, and can be separately cast with the current transformer (1) and the like to form a whole.
If the electrical equipment needs to be provided with a plurality of different control devices, the sensor can be shared as the electric energy data acquisition equipment, and the additional installation and disassembly are not needed, so that the structure is simplified, and the cost is reduced.
In fig. 2, the current transformer (1) has a current direction mark, which is indicated by an arrow, and other indication methods can be used. The device is used for indicating the correct connection direction of the current transformer (1) and avoiding the errors of subsequent measurement, metering or relay protection actions caused by the wrong wiring direction of the current transformer (1).
In fig. 3, the intelligent measurement and control terminal (17) comprises a connecting plug (1701), a measurement processing module (1702) and a communication module (1703), and the intelligent measurement and control terminal (17) is connected with a current transformer output end (6), a conductor sheet leading-out end (7), an auxiliary end (8), a voltage transformer output end (12) and a temperature sensor output end (16) on the sensor (9) of the internet of things through the connecting plug (1701).
The connecting plug (1701) can be in flexible connection, the intelligent measurement and control terminal (17) and the Internet of things sensor (9) are in a split structure, and a portable device can be formed at the moment; the intelligent measurement and control terminal (17) and the Internet of things sensor (9) can also be in an integrated structure through hard connection.
The intelligent measurement and control terminal (17) obtains power supply from the conductor sheet leading-out end (7) and the auxiliary end (8); the measurement processing module (1702) collects, analyzes and processes a current signal sent by the current transformer output end (6), a voltage signal sent by the voltage transformer output end (12) and a temperature signal sent by the temperature sensor output end (16), converts the analog quantity into a digital quantity, and transmits data to the outside in a wired or wireless mode through the communication module (1703).
The pre-installed intelligent electric Internet of things sensor can achieve multiple functions of data acquisition, recording, analysis, judgment, early warning, alarming, uploading and the like through the intelligent measurement and control terminal (17). The related data can be transmitted to an external data center for data summarization, analysis and remote monitoring, and can also be transmitted to external portable equipment for being conveniently checked at any time. Therefore, the intelligent monitoring system realizes the intellectualization of the electrical equipment sensor, the on-line monitoring and the big data acquisition, and has the advantages of simple structure, low cost, small volume, convenient use and the like.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Electric thing networking sensor of prepackage type intelligence, its characterized in that: the sensor comprises a current transformer (1), a conductor sheet (2), a wiring column body (3), an upper fixing nut (4), a lower fixing nut (5), a current transformer output end (6), a conductor sheet leading-out end (7) and an auxiliary end (8), and an Internet of things sensor (9) is formed together;
the current transformer (1) and the conductor sheet (2) are stacked up and down, are separated by insulating layers, are provided with through holes in the middle, are metal cylinders, are provided with threads at two ends, penetrate through the through holes in the middle of the current transformer (1) and the conductor sheet (2), and are screwed and fixed up and down by an upper fixing nut (4) and a lower fixing nut (5);
the output end (6) of the current transformer adopts a shielding twisted pair to lead out signals of the current transformer (1), the lead-out end (7) of the conductor piece adopts a shielding single line to be connected with the conductor piece (2), and the auxiliary end (8) adopts a shielding single line to be connected with the middle line, the ground line, the zero line or the other phase line and is respectively fixed on the sensor (9) of the Internet of things.
2. The pre-installed intelligent electrical internet of things sensor of claim 1, wherein: the device comprises a voltage transformer (10), a current-limiting resistor (11) and a voltage transformer output end (12);
the voltage transformer (10) is a four-terminal element with two-way input and two-way output, wherein the two-way input adopts a shielded twisted pair, one-way input is connected with a conductor sheet leading-out end (7) through a current-limiting resistor (11), and the other-way input is connected with an auxiliary end (8);
the two paths of outputs are connected with the output end (12) of the voltage transformer by adopting a shielded twisted pair and are fixed on the sensor (9) of the Internet of things.
3. The pre-installed intelligent electrical internet of things sensor of claim 2, wherein: the current limiting resistor is characterized by comprising a current limiting resistor box (13) and a protective cover (14), wherein a current limiting resistor (11) is clamped in the current limiting resistor box (13) and is packaged by the transparent protective cover (14).
4. The pre-installed intelligent electrical internet of things sensor of claim 1, wherein: comprises a temperature sensor (15) and a temperature sensor output end (16);
the temperature sensor (15) and the wiring cylinder (3) are tightly attached together, and the output end (16) of the temperature sensor adopts a shielding twisted pair to lead out the signal of the temperature sensor (15) and is fixed on the sensor (9) of the Internet of things.
5. The pre-installed intelligent electrical internet of things sensor of claim 1, wherein: the current transformer (1), the conductor sheet (2), the wiring column body (3) and the Internet of things sensor (9) are poured into a whole by adopting insulating materials, and are of single-phase or multi-phase integrated structures.
6. The pre-installed intelligent electrical internet of things sensor of claim 1, wherein: the current transformer (1) is provided with a current direction mark.
7. The pre-installed intelligent electrical internet of things sensor of claim 1, wherein: the intelligent measurement and control terminal (17) is provided with a connecting plug (1701), a measurement processing module (1702) and a communication module (1703), and the intelligent measurement and control terminal (17) is connected with a terminal on the sensor (9) of the Internet of things through the connecting plug (1701);
the connecting plug (1701) can be in flexible connection, the intelligent measurement and control terminal (17) and the sensor (9) of the Internet of things are in a split type structure, and can also be in hard connection, and the intelligent measurement and control terminal (17) and the sensor (9) of the Internet of things are in an integrated structure;
the intelligent measurement and control terminal (17) obtains power supply from the conductor sheet leading-out end (7) and the auxiliary end (8);
the measurement processing module (1702) collects, analyzes and processes signals sent by the output end (6) of the current transformer, and then transmits data to the outside through the communication module (1703) in a wired or wireless mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498814.7U CN210803625U (en) | 2019-09-09 | 2019-09-09 | Prepackage type intelligence electric thing networking sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498814.7U CN210803625U (en) | 2019-09-09 | 2019-09-09 | Prepackage type intelligence electric thing networking sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210803625U true CN210803625U (en) | 2020-06-19 |
Family
ID=71225540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921498814.7U Expired - Fee Related CN210803625U (en) | 2019-09-09 | 2019-09-09 | Prepackage type intelligence electric thing networking sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210803625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441639A (en) * | 2019-09-09 | 2019-11-12 | 周封 | Electrical wiring column integrated-type intelligent electric link net sensor |
-
2019
- 2019-09-09 CN CN201921498814.7U patent/CN210803625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441639A (en) * | 2019-09-09 | 2019-11-12 | 周封 | Electrical wiring column integrated-type intelligent electric link net sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203085344U (en) | Integrated digital current transformer | |
| CN110646663A (en) | Primary and secondary depth fusion combined sensor for vacuum circuit breaker | |
| CN102944712A (en) | Multi-range automatic selection device of electronic type current transformer | |
| CN210803625U (en) | Prepackage type intelligence electric thing networking sensor | |
| CN201716355U (en) | Electronic current and voltage transformer for 126kVGIS | |
| CN204794352U (en) | Intelligence electric power monitored control system | |
| CN212008850U (en) | Intelligent primary and secondary fused on-column circuit breaker | |
| CN109521264A (en) | A kind of digital zero sequence current mutual inductor of on-pole switch | |
| CN209542680U (en) | A kind of electric instrument | |
| CN216310993U (en) | Power monitoring device with power distribution cabinet smoke monitoring function | |
| CN105467197A (en) | Online monitoring device of integrated lightning arrester | |
| CN216160816U (en) | Multi-loop power consumption detection monitoring control terminal | |
| CN103777057A (en) | True-root-mean-square capacitive current tester | |
| CN213424813U (en) | Wiring-free remote transmission high-voltage current transformer | |
| CN110441639A (en) | Electrical wiring column integrated-type intelligent electric link net sensor | |
| CN210803624U (en) | Fast-assembly live-line operation electric measurement Internet of things sensor | |
| CN210246491U (en) | Intelligent motor junction box with pre-installed sensor | |
| CN205562672U (en) | Integration arrester on -line monitoring device | |
| CN211061659U (en) | Intelligent motor multi-parameter Internet of things sensor | |
| CN107991642A (en) | A kind of powered Compare System of voltage transformer error | |
| CN208271720U (en) | A kind of insulation blocking with voltage sensor function | |
| CN113485199A (en) | Primary and secondary fusion breaker controller and control method | |
| CN208507447U (en) | A kind of insulation blocking with collection voltages semiotic function | |
| CN108878115B (en) | 10kV column-mounted high-voltage integrated metering device | |
| CN208459526U (en) | Sensor and direct current cabinet monitor system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20210909 |