CN218180958U - Intelligent measurement switch with anti-electricity-stealing function - Google Patents
Intelligent measurement switch with anti-electricity-stealing function Download PDFInfo
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- CN218180958U CN218180958U CN202221713168.3U CN202221713168U CN218180958U CN 218180958 U CN218180958 U CN 218180958U CN 202221713168 U CN202221713168 U CN 202221713168U CN 218180958 U CN218180958 U CN 218180958U
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- 238000004891 communication Methods 0.000 claims abstract description 52
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
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Abstract
The utility model relates to a measurement switch technical field just discloses an intelligent measurement switch of anti-electricity-theft function, and the intracavity of casing is equipped with current-voltage sampling module, humiture acquisition module, mutual-inductor conversion module, circuit protection module, electric energy meter full circuit data collection module, pulse current circuit, communication module, BMC static anti-jamming circuit, status indication unit, divide-shut brake execution unit, clock circuit and high-speed operation CPU. The intelligent measurement switch with the electricity stealing prevention function has the multiple things-internet perception functions of HPLC communication, high-precision alternating current sampling, power supply relation topology identification, metering box management, electricity stealing early warning, power failure event reporting, line loss analysis and study, terminal temperature detection, fault automatic diagnosis and the like, has the functions of overload long delay, short circuit short delay, short circuit instant, overvoltage and undervoltage protection and phase failure protection, and has the protection function on lines and power supply equipment.
Description
Technical Field
The utility model relates to a switch technical field of measurationing specifically is a switch is measurationed to intelligence of anti-electricity-stealing function.
Background
The earliest circuit breaker in the world, which was produced in 1885, is a combination of a knife head and an overcurrent release. In 1905, an air circuit breaker with a trip release was born. Since 1930, with the advancement of technology, the discovery of the principle of electric arcs and the invention of various arc extinguishing devices gradually formed a mechanism. In the end of the 50 s, electronic release was produced due to the rise of electronic components, and nowadays, the construction of smart grid has put more requirements on smart circuit breakers.
The circuit breaker plays an essential key node role in each level of power grid. The traditional circuit breaker has the functions of connecting and disconnecting a load circuit and protecting overload, short circuit and under voltage, but cannot realize accurate control and watch the current because the traditional circuit breaker does not have the functions of node electric quantity data acquisition, metering, analysis and diagnosis, so that the intelligent measurement switch with the function of preventing electricity stealing is provided.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, the utility model provides an intelligent measurement switch of anti-electricity-stealing function, HPLC communication has, high accuracy exchanges the sampling, the topological discernment of power supply relation, the batch meter management, the early warning of stealing electricity, the power failure incident is reported, line loss analysis is studied and judged, terminal temperature detects, a plurality of things allies oneself with perception functions such as trouble automatic diagnosis, it delays to have transshipping the length, short circuit short time delay, the short circuit is instantaneous, cross undervoltage and disconnected phase protect function, multiple protect function plays the advantage of guard action to circuit and power supply unit, the problem of proposing in the above-mentioned background art has been solved.
The utility model provides a following technical scheme: the utility model provides an intelligent measurement switch of electricity stealing prevention function, includes base, upper cover, base and upper cover form the casing of intelligent measurement switch, just the pivot has been cup jointed in the middle part activity of upper cover, the outside of pivot is connected with the handle, one side of upper cover bottom is equipped with the pilot lamp, be equipped with current-voltage sampling module, humiture collection module, mutual-inductor conversion module, circuit protection module, electric energy meter full circuit acquisition data module, pulse current circuit, communication module, BMC static anti-interference circuit, state indication unit, divide-shut brake execution unit, clock circuit and high-speed operation CPU in the inner chamber of casing, high-speed operation CPU passes through and carries out signal transmission between communication module and current-voltage sampling module, humiture collection module, circuit protection module, state indication unit, divide-shut brake execution unit, clock circuit and the electric energy meter full circuit acquisition data module, mutual-inductor conversion module and humiture collection module all adopt edge application algorithm, still built-in the casing have platform district discernment and branch identification chip.
Preferably, the communication module comprises an RS485/RS232/RS422 communication module, a high-speed broadband carrier communication module, an infrared communication unit and a Bluetooth communication unit, the communication rate of the RS485/RS232/RS422 communication module is 1200-9600bps, an HPLC broadband carrier chip is arranged in the high-speed broadband carrier communication module, the working width is 2-12MHZ, the communication rate is not more than 10Mbps, and the Bluetooth communication unit adopts Bluetooth 5.0 and above versions; the communication module is adapted to a DL/T645-2007 communication extension protocol and a DL/T698.45-2017 communication extension protocol.
Preferably, the current and voltage sampling module is internally provided with a high-precision measuring chip, the measuring errors of voltage, current and power electrical parameters are better than 0.5%, and the active precision of the electric energy measuring precision is 0.5s level.
Preferably, the temperature and humidity acquisition module acquires the temperature of the wiring terminal, and the wiring terminal gives an alarm when the temperature is too high.
Preferably, the handle has three positions, namely a closed position, an open position and a free tripping position, when the handle is located at the free tripping position, the handle is pulled towards the opening direction, and the measuring switch is buckled again at the moment to switch on.
Preferably, the external interface adopts an 8-core pluggable terminal with the space of 3.5mm, and the names of the interfaces are pulse per second, active electric energy pulse, reactive electric energy pulse, GND, 485 B1, 485 A1, 485 B2 and 485 A2.
Preferably, the circuit protection module comprises an electric leakage detection and protection module, an undervoltage protection circuit/overload protection circuit and an overcurrent/short-circuit protection circuit.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the intelligent measurement switch with the electricity stealing prevention function is suitable for a distribution network with three-phase four-wire and neutral point direct grounding of 50Hz alternating current, 250A rated current (100A-250A is adjustable), 800V rated insulation voltage and 400V rated working voltage, has multiple things-associated sensing functions of HPLC communication, high-precision alternating current sampling, topology identification of power supply relation, management of a metering box, electricity stealing early warning, power failure event reporting, line loss analysis and study, terminal temperature detection, automatic fault diagnosis and the like, has the functions of overload long delay, short circuit short delay, short circuit instant, over-voltage and under-voltage and phase failure protection, and has the protection function on lines and power supply equipment.
2. This switch is surveyed to intelligence of anti-electricity-theft function embeds HPLC broadband carrier chip, with TTU, fuse all real-time communication of terminal or concentrator, can upload all kinds of perception events and edge calculation data, realizes the real-time thing of electric wire netting key node and allies oneself with, possesses the three-section current protect function of complete selectivity: overload long-delay protection, short-circuit short-delay protection and short-circuit instant protection.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the structural core components of the present invention;
fig. 3 is a schematic diagram of the structure application scenario architecture of the present invention.
In the figure: 1. a base; 2. an upper cover; 3. a rotating shaft; 4. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an intelligent measurement switch with anti-electricity-theft function includes a base 1 and an upper cover 2, the base 1 and the upper cover 2 form a housing of the intelligent measurement switch, a rotating shaft 3 is movably sleeved in the middle of the upper cover 2, a handle 4 is connected to the outer side of the rotating shaft 3, the handle 4 has three positions, which respectively represent on, off and free trip, when the handle is in the free trip position, the handle should be pulled in the off direction, and then the measurement switch is buckled again, so that the switch can be turned on. An indicator light is arranged on one side of the bottom end of the upper cover 2.
The inner cavity of the shell is internally provided with a current and voltage sampling module which has the functions of collecting electrical parameter information such as switch current, voltage, frequency, power, electric quantity, power factor and the like and has the functions of reporting and recording, the current and voltage sampling module is internally provided with a precision metering chip, the measurement error of the electrical parameters such as voltage, current, power and the like is better than 0.5%, and the active precision of the electric energy metering precision is 0.5s level.
The temperature and humidity acquisition module is arranged in the shell and can detect the temperature of the wiring terminal in real time, the built-in temperature detection point is used for alarming when the temperature of the wiring terminal is too high, and the problem of the branch equipment of the transformer area can be found in real time through edge calculation; meanwhile, the meter misalignment in the metering box can be monitored in real time.
The intelligent measurement switch is provided with a transformer conversion module in the shell, can find electricity stealing at a meter box level, branch level and a platform area in real time through the built-in transformer and edge calculation, accurately positions an electricity stealing area, and reports the electricity stealing area to a background system in real time.
The casing is internally provided with a circuit protection module which comprises an electric leakage detection and protection module, an undervoltage protection circuit/overload protection circuit and an overcurrent/short-circuit protection circuit, and the measurement switch has a completely selective three-section current protection function through the arrangement of the circuit protection module: overload long-delay protection, short-circuit short-delay protection and short-circuit instant protection; additional protection functions: the over-voltage protection function, the under-voltage protection function and the open-phase protection function play a role in protecting circuits and power supply equipment.
Be equipped with the electric energy meter full circuit data acquisition module in the casing, through the setting of this module, this switch can have information acquisition and output function, possesses acquisition switch real time position state information to have the report of shifting and the time recording function, possess the electric quantity and freeze the function, possess the function of checking meter, can read the electric energy meter data in the table case through RS485 or HPLC mode.
A clock circuit is arranged in the shell, the switch supports clock synchronization, a communication module is arranged in the shell, the communication module comprises an RS485/RS232/RS422 communication module, a high-speed broadband carrier communication module, an infrared communication unit and a Bluetooth communication unit, the communication speed of the RS485/RS232/RS422 communication module is 1200-9600bps, an HPLC broadband carrier chip is arranged in the high-speed broadband carrier communication module, the working width is 2-12MHZ, the communication speed is not more than 10Mbps, and the Bluetooth communication unit adopts Bluetooth 5.0 and above versions; the communication module is adapted to a DL/T645-2007 communication extension protocol and a DL/T698.45-2017 communication extension protocol, so that the switch can conveniently communicate with a superior station, the acquired and processed information is sent upwards and received by a command switch of the superior station, and the switch supports the functions of local debugging and remote debugging.
The shell is internally provided with a BMC (bulk molding compound) electrostatic anti-interference circuit, a state indicating unit, a switching-on/off execution unit, a pulse current circuit and a high-speed operation CPU (central processing unit), wherein the pulse current circuit has clock second pulse output, electric energy pulse output and indicating lamp indicating output, and the switching-on/off execution unit acquires switch real-time brake position state information and has brake position reporting and time recording functions.
The high-speed operation CPU performs signal transmission with the current and voltage sampling module, the temperature and humidity acquisition module, the electric leakage detection and protection module, the state indication unit, the switching-on/off execution unit, the clock circuit and the electric energy meter full circuit data acquisition module through the communication module.
Still be equipped with district discernment and branch identification chip in the casing, combine together with TTU, integration terminal, concentrator, can realize the topological discernment of district in real time automatically, the discernment precision reaches 99%, including family change relation discernment, phase place discernment and branch discernment, can realize the accurate discernment of district archives from bottom to top, need not to download archives for concentrator or integration terminal, can realize the accurate discernment of district archives.
The external interface of the switch adopts a 3.5mm interval 8-core pluggable terminal, and the names of the interfaces are pulse per second, active electric energy pulse, reactive electric energy pulse, GND, 485 B1, 485 A1, 485 B2 and 485 A2.
Example 1: when this intelligence measurement switch was applied to in electricity distribution room low pressure feeder pillar, drawer cabinet or the JP cabinet, all need not to install other devices such as current transformer and multi-functional table additional in electricity distribution room low pressure feeder pillar, drawer cabinet and the JP cabinet, the not enough problem in space when having avoided increasing equipment, effectively saves installation space and cost, and it is more convenient to maintain and use. By combining a new generation of intelligent monitoring terminal, the intelligent measuring switch sends data such as voltage, current and electric energy of the node to the intelligent monitoring terminal through 485/broadband carrier communication, and supports the construction of the Internet of things of electric power and an intelligent transformer area.
Example 2: when a fault occurs in a monitoring range (data exceeds the upper limit and the lower limit, leakage, tripping and the like), the fault can be reported to an intelligent monitoring terminal quickly, a fault area and a fault reason can be positioned quickly, and functions of branch file topology identification, line loss grading calculation, fault point quick positioning and the like can be realized by combining a built-in platform area identification and metering chip with the intelligent monitoring terminal.
Example 3: after the intelligent measuring switch is installed on the main incoming line of the meter box, the intelligent monitoring terminal collects electric energy data of the intelligent measuring switch through HPLC communication, and whether electricity stealing exists or not can be judged through analyzing and comparing the difference between the electric energy of the intelligent measuring switch and the sum of the electric energy of each household meter in the meter box. Utilize the gateway access function of thing allies oneself with simultaneously to realize peripheral perception equipment thing of at different levels and ally oneself with the access, realize the holographic perception control to the whole running state of batch meter, and can realize the real-time management to the ammeter in the table case, including automatic searching for the table, increase and decrease table incident reports, table case electricity-stealing warning, the power failure warning before the table, the empty tripping operation warning of opening behind the table, electric energy meter metering error diagnosis, return circuit impedance analysis etc..
While the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a switch is measurationed to intelligence of electricity stealing prevention function, includes base (1), upper cover (2), base (1) and upper cover (2) form the casing that switch is measurationed to intelligence, just pivot (3) have been cup jointed in the middle part activity of upper cover (2), the outside of pivot (3) is connected with handle (4), one side of upper cover (2) bottom is equipped with pilot lamp, its characterized in that: the intelligent power meter comprises a shell and is characterized in that a current and voltage sampling module, a temperature and humidity acquisition module, a mutual inductor conversion module, a circuit protection module, an electric energy meter full circuit acquisition data module, a pulse current circuit, a communication module, a BMC (baseboard management controller) electrostatic anti-interference circuit, a state indication unit, a switching-on/off execution unit, a clock circuit and a high-speed operation CPU are arranged in an inner cavity of the shell, the high-speed operation CPU carries out signal transmission among the communication module, the current and voltage sampling module, the temperature and humidity acquisition module, the circuit protection module, the state indication unit, the switching-on/off execution unit, the clock circuit and the electric energy meter full circuit acquisition data module, the mutual inductor conversion module and the temperature and humidity acquisition module adopt an edge application algorithm, and a transformer area identification and branch identification chip is arranged in the shell.
2. The intelligent measurement switch for preventing electricity stealing according to claim 1, wherein: the communication module comprises an RS485/RS232/RS422 communication module, a high-speed broadband carrier communication module, an infrared communication unit and a Bluetooth communication unit, wherein the communication rate of the RS485/RS232/RS422 communication module is 1200-9600bps, an HPLC broadband carrier chip is arranged in the high-speed broadband carrier communication module, the working width is 2-12MHZ, the communication rate is not more than 10Mbps, and the Bluetooth communication unit adopts a Bluetooth version of 5.0 or more; the communication module is adapted to a DL/T645-2007 communication extension protocol and a DL/T698.45-2017 communication extension protocol.
3. The intelligent measurement switch for preventing electricity stealing according to claim 1, wherein: the current and voltage sampling module is internally provided with a high-precision measuring chip, the measuring errors of voltage, current and power electrical parameters are better than 0.5%, and the active precision of the electric energy measuring precision is 0.5s level.
4. The intelligent measurement switch for preventing electricity stealing according to claim 1, wherein: the temperature and humidity acquisition module acquires the temperature of the wiring terminal, and the wiring terminal gives an alarm when the temperature is too high.
5. The intelligent measurement switch for preventing electricity stealing according to claim 1, wherein: the handle (4) has three positions which respectively represent closing, opening and free tripping, when the handle is at the free tripping position, the handle is pulled towards the opening direction, and at the moment, the measuring switch is buckled again, so that the switch-on can be carried out.
6. The intelligent measurement switch for preventing electricity stealing according to claim 1, wherein: the external interface adopts the 8 core pluggable terminals with 3.5mm space, and the names of the interfaces are pulse per second, active electric energy pulse, reactive electric energy pulse, GND, 485 B1, 485 A1, 485 B2 and 485 A2.
7. The intelligent measurement switch for preventing electricity stealing according to claim 1, wherein: the circuit protection module comprises a leakage detection and protection module, an undervoltage protection circuit/overload protection circuit and an overcurrent/short-circuit protection circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221713168.3U CN218180958U (en) | 2022-06-28 | 2022-06-28 | Intelligent measurement switch with anti-electricity-stealing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221713168.3U CN218180958U (en) | 2022-06-28 | 2022-06-28 | Intelligent measurement switch with anti-electricity-stealing function |
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| CN218180958U true CN218180958U (en) | 2022-12-30 |
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| CN202221713168.3U Expired - Fee Related CN218180958U (en) | 2022-06-28 | 2022-06-28 | Intelligent measurement switch with anti-electricity-stealing function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117278011A (en) * | 2023-11-21 | 2023-12-22 | 南京万形电气有限公司 | Intelligent electronic type switch for internet of things |
-
2022
- 2022-06-28 CN CN202221713168.3U patent/CN218180958U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117278011A (en) * | 2023-11-21 | 2023-12-22 | 南京万形电气有限公司 | Intelligent electronic type switch for internet of things |
| CN117278011B (en) * | 2023-11-21 | 2024-01-26 | 南京万形电气有限公司 | Intelligent electronic type switch for internet of things |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231012 Address after: 247100 Room 401, Building 3, Ronglian Nanhuayuan, Fuyang Road, Rongcheng Town, Qingyang County, Chizhou City, Anhui Province Patentee after: Xiong Xin Address before: No. 467, Jiuhua West Road, Rongcheng Town, Qingyang County, Chizhou City, Anhui Province 242800 Patentee before: QINGYANG COUNTY POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221230 |