CN204089344U - Intelligent monitoring protection device - Google Patents
Intelligent monitoring protection device Download PDFInfo
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- CN204089344U CN204089344U CN201420493075.3U CN201420493075U CN204089344U CN 204089344 U CN204089344 U CN 204089344U CN 201420493075 U CN201420493075 U CN 201420493075U CN 204089344 U CN204089344 U CN 204089344U
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Abstract
The utility model provides a kind of intelligent monitoring protection device, comprises at least two-way electric network information collector, at least plural metering module, clock module, control module, communication module and at least plural error testing module.Metering module and electric network information collector one_to_one corresponding are arranged, and each metering module includes electricity computing unit, harmonic detecting unit and alignment unit, the input of electricity computing unit and the input of harmonic detecting unit are electrically connected electric network information collector respectively, and the output of electricity computing unit and the output of harmonic detecting unit are electrically connected alignment unit respectively.Clock module provides high-precision clock signal for control module.Control module receives the output signal of at least plural metering module according to clock signal.Communication module is electrically connected the output of control module, and communication module comprises multiple communication interface.
Description
Technical field
The utility model relates to measurement and control area, and in particular to a kind of intelligent monitoring protection device.
Background technology
Along with the development of economy, supply of electric power demand is increasing, and peak load is also increasing.For alleviating power shortage problem further, power supply department is while increasing power grid construction, and by calculating, machine technology is monitored existing electrical network, and analyzes pilot signal, has realized optimizing administration of power networks, has improved power supply utilance and power supply capacity.
Although existing electrical net detect device can realize monitoring and the metering of the basic parameters such as electric current, voltage, frequency, power factor (PF), power and electric energy.But a checkout gear can only detect a line-powered network, when there is multiple-way supply network, it is loaded down with trivial details to there is wiring in this kind of checkout gear, the problem such as install difficulty and installation cost is high.And further, although existing checkout gear can realize nearly all electric power detection, due to by using on-the-spot restriction, the supervisory control system matched with it because of structure and communication mode single, be difficult to match with it.Therefore many times still need manually to intervene to scene, remote data acquisition and monitoring cannot be realized.
In addition, along with the increase gradually of power consumption equipment, nonlinear power consumption equipment can make the fundamental signal in electrical network distort, thus produces harmonic wave.Harmonic wave can increase send out, defeated, for and the supplementary load loss of power consumption equipment, make apparatus overheat, reduce efficiency and the utilance of equipment.Cannot effectively analyze harmonic wave and suppress in existing checkout gear.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of intelligent monitoring protection device.
To achieve these goals; the utility model provides a kind of intelligent monitoring protection device, comprises at least two-way electric network information collector, at least plural metering module, clock module, control module, communication module and at least plural error testing module.Each road electric network information collector includes three-phase current collector, three-phase voltage collector, neutral line current collector, and the analog to digital converter be electrically connected with three-phase current collector, three-phase voltage collector and neutral line current collector respectively.The quantity of metering module is equal with the quantity of electric network information collector, metering module and electric network information collector one_to_one corresponding are arranged, and each metering module includes electricity computing unit, harmonic detecting unit and alignment unit, the input of electricity computing unit and the input of harmonic detecting unit are electrically connected electric network information collector respectively, and the output of electricity computing unit and the output of harmonic detecting unit are electrically connected alignment unit respectively.
Clock module provides high-precision clock signal for control module.The input of control module is electrically connected the output of metering module and the output of clock module respectively, and control module receives the output signal of at least plural metering module according to clock signal.Communication module is electrically connected the output of control module, and communication module comprises at least one road Ethernet interface, at least two-way optical fiber interface and at least one road RS-485 local communication interface.The input of each error testing module and the output one_to_one corresponding of each metering module are arranged.
In the utility model one embodiment, intelligent monitoring protection device also comprises the temperature detecting module of more than at least two-way, and the temperature detecting module on each road includes the temperature sensor that model is PT100.
In the utility model one embodiment, intelligent monitoring protection device also comprises the Analog input mModule of at least two-way 4-20mA and the analog output module of at least two-way 4-20mA.
In the utility model one embodiment, intelligent monitoring protection device also comprises multi-way switching values and detects input module.
In the utility model one embodiment, intelligent monitoring protection device also comprises multicircuit relay and controls to export.
In the utility model one embodiment, intelligent monitoring protection device also comprises the power supply and reserve battery that are connected with power supply grid.
In the utility model one embodiment, intelligent monitoring protection device also comprises at least plural wiring board, and at least two-way electric network information collector is independently arranged on wherein on a wiring board.
In the utility model one embodiment, intelligent monitoring protection device also comprises mounting casing, and mounting casing wherein two relative madial walls is provided with the mounting rail of multiple installation wiring board.
In sum, intelligent monitoring protection device provided by the utility model compared with prior art, has the following advantages:
By arranging at least more than two-way separate electric network information collector and metering module, this intelligent monitoring protection device can measure the electric network information of multiple supply line simultaneously.Compared with traditional electrical net detect device can only measuring single supply line electric network information, there is the wiring advantage such as simple, easy for installation.By arranging the communication module with three tunnel different communication protocol, user can select more applicable communication mode according to the environment for use at data transmission distance and scene.By arranging harmonic detecting unit, being carried out the output of calibration measurement module by the harmonic content of detection of grid, further improving the measuring accuracy of metering module.And by step-up error test module, metering module can realize calibrating with external perimysium reference part.
In addition, detect the working temperature of electric equipment around by arranging the temperature sensor comprising PT100 in real time, and this temperature value is fed back to remote control terminal through communication module, realize remote monitoring.And belong to high-voltage signal due to electric network information, and the operating voltage of the device such as metering module and control module is low pressure, therefore at least two-way electric network information collector is independently arranged on and wherein a wiring board can reduces the interference of high-voltage signal to low-voltage signal, improve the precision of metering module and control module further.On mounting casing, display module is not set, the applicable more harsh suitable environment of enclosed mounting casing simultaneously.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1 shows that the schematic block circuit diagram of the intelligent monitoring protection device that the utility model one embodiment provides.
Figure 2 shows that the structural representation of the mounting casing of the intelligent monitoring protection device that the utility model one embodiment provides.
Embodiment
Figure 1 shows that the schematic block circuit diagram of the intelligent monitoring protection device that the utility model one embodiment provides.Figure 2 shows that the structural representation of the mounting casing of the intelligent monitoring protection device that the utility model one embodiment provides.See also Fig. 1 to Fig. 2.
As shown in Figure 1, the intelligent monitoring protection device that the present embodiment provides comprises at least two-way electric network information collector 1, at least plural metering module 2, clock module 3, control module 4, communication module 5 and at least plural error testing module 6.Each road electric network information collector 1 includes three-phase current collector 11, three-phase voltage collector 12, neutral line current collector 14, and the analog to digital converter 13 be electrically connected with three-phase current collector 11, three-phase voltage collector 12 and neutral line current collector 14 respectively.The quantity of metering module 2 is equal with the quantity of electric network information collector 1, metering module 2 and electric network information collector 1 one_to_one corresponding are arranged, and each metering module 2 includes electricity computing unit 21, harmonic detecting unit 22 and alignment unit 23, the input of electricity computing unit 21 and the input of harmonic detecting unit 22 are electrically connected electric network information collector 1 respectively, and the output of electricity computing unit 21 and the output of harmonic detecting unit 22 are electrically connected alignment unit 23 respectively.
Clock module 3 provides high-precision clock signal for control module 4.The input of control module 4 is electrically connected the output of metering module 2 and the output of clock module 4 respectively.Control module 4 receives the output signal of at least plural metering module 2 according to clock signal.Communication module 5 is electrically connected the output of control module 4, and communication module 5 comprises a road Ethernet interface 51, two-way optical fiber interface 52 and a road RS-485 local communication interface 53.The input of each error testing module 6 and the output one_to_one corresponding of each metering module 2 are arranged.
Each road electric network information collector 1 gathers the three-phase electricity flow valuve of coupled electrical network route, three-phase voltage value and neutral line current value respectively.Because electric network information is high-voltage great-current signal, and metering module 2 and control module 4 are the small area analysis signal of low pressure.In the present embodiment, arrange three-phase current collector 11 and neutral line current collector 14 includes current transformer, three-phase voltage collector 12 comprises voltage transformer.
And further, for avoiding high-voltage great-current signal on the impact of low-voltage signal, intelligent monitoring protection device being set and comprising at least plural wiring board 100, and at least two-way electric network information collector 1 is set independently is arranged on wherein on a wiring board 100.
Electricity computing unit 21 in each metering module 2 receives three-phase electricity flow valuve, three-phase voltage value and the neutral line current value that coupled electric network information collector 1 gathers, and calculates frequency, active power, the electrical parameter such as reactive power and electric energy of this supply line according to three-phase electricity flow valuve, three-phase voltage value and neutral line current value.And the parameter and three-phase electricity flow valuve, magnitude of voltage and neutral line current value that calculate gained are exported.
Harmonic detecting unit 22 receives three-phase electricity flow valuve, three-phase voltage value and the neutral line current value that electric network information collector 1 gathers, detect harmonic signal contained in three-phase electricity flow valuve, three-phase voltage value and neutral line current value, and the harmonic information detecting gained is transported to alignment unit 23.Alignment unit 23 calibrates the electrical parameter exported by electricity computing unit 22 according to the harmonic information detected, reduce harmonic signal to the impact of measuring accuracy, improve the measuring accuracy of electrical parameter.
In the present embodiment, the quantity of electric network information collector 1 is two, accordingly, is also two with the metering module 2 of its electric connection and the quantity of error testing module 6, and three's one_to_one corresponding is arranged.Clock module 3 and control module 4 are electrically connected.The sequential that control module 4 exports according to clock module 3 selects the output signal of reception two metering modules 2, realizes the monitoring and protection of two-way independently supply network, has the easy for installation and advantage such as simple that connects up.But the quantity of the utility model to electric network information collector 1, metering module 2 and error testing module 6 is not limited in any way.
Because the wiring by power supply grid limits, electric network measuring and controlling equipment needs disposed in the outdoor or that environment is more severe place usually.In the present embodiment, for realizing remote monitoring, intelligent monitoring protection device being set and comprising communication module 5, and communication module 5 comprises at least one road Ethernet interface 51, at least two-way optical fiber interface 52 and at least one road RS-485 local communication interface 53.Ethernet interface 51 adopts IEC60870-5-104 communication protocol, and optical fiber interface 52 adopts Q/GDW376.1-2012 communication protocol, and RS-485 local communication interface 53 then adopts MODBUS-RTU communication protocol.Can select different communication interfaces and corresponding communication protocol that this intelligent monitoring protection device is accessed different algorithms according to different demand (such as data transmission distance, data transmission bauds etc.) when user uses at the scene, greatly improve the versatility of this intelligent monitoring protection device.
Metering due to electric energy directly has influence on the statistics of electricity consumption situation, therefore checks the accuracy of continuous data to be very important, and in the present embodiment, comprises the quantity error testing module 6 equal with the quantity of metering module 2 by arranging intelligent monitoring protection device.In the present embodiment, error testing module 6 is light-emitting diode.Metering signal is lighted light-emitting diode by metering module 2 in the form of a pulse.External detection device realizes by the glow frequency detecting light-emitting diode the accuracy checking metering signal.But the utility model is not limited in any way this.
And further, at mains supply scene, there is a lot of electric equipments, and the operating mode of these equipment directly affects the ruuning situation of electrical network.And the operating condition monitoring of equipment can be realized by the temperature value under checkout equipment ruuning situation.
In the present embodiment; for improving the function of this intelligent monitoring protection device further; arrange intelligent monitoring protection device also comprise with at least two-way more than arrange with metering module 2 one_to_one corresponding; quantity is the temperature detecting module 7 at least more than two-way, and the temperature detecting module 7 on each road includes by model is the temperature sensor of PT100.In the present embodiment, the quantity of temperature detecting module 7 is equal with the quantity of metering module 2, is two-way.But the utility model is not limited in any way this.The temperature sensor of PT100 can external longer wire, and its length can reach 15 meters, and therefore it can gather the temperature of radius at the electric equipment of the optional position of 15 meter Fan Nei.The temperature signal collected is sent to long-range control end through control module 4 and communication module 5, realizes remote real-time monitoring.
In addition; for improving by intelligent monitoring protection device application performance at the scene further, in the present embodiment, intelligent monitoring protection device also comprises the analog output module 9 of Analog input mModule 8, at least the two-way 4-20mA of at least two-way 4-20mA, multi-way switching values detects input module 10 and multicircuit relay controls output module 11.In the present embodiment, the quantity of Analog input mModule 8 and analog output module 9 is two-way, and the quantity of switching value input module 10 is 24 tunnels, and the quantity of Control output module 11 is eight tunnels.But the utility model is not limited in any way this.In other embodiment, user according to onsite application environmental demand, can increase the quantity of said elements.
In the present embodiment, the power supply of powering for device comprises the power supply 12 and reserve battery 13 that are connected with electrical network.The setting of reserve battery 13 is that intelligent monitoring protection device still can normally run, and avoids the loss of data caused because of power-off in order to prevent when power supply grid power-off.
By the restriction in geographical position, under time more, electric network measuring and controlling device need be operated in very strict environment (such as temperature is below-40 degrees Celsius), in this kind of environment, the electrical net detect device of traditional Open architecture, the display unit be exposed on mounting casing surface cannot normally work usually, further even can be inconjunction with other device affecting and be arranged in mounting casing, thus affect measuring accuracy greatly.
In the present embodiment, arrange mounting casing 200 for enclosed construction, the surface of mounting casing 200 is not arranged display unit, the display of data realizes teledata by communication module 5 and reads.Staff reads data without the need to the scene to bad environments, and the device of enclosed mounting casing 200 to inside plays a very good protection, and makes this intelligent monitoring protection device be applicable to more harsh environment for use.
Meanwhile, for better realizing installing, mounting casing 200 wherein two relative madial walls is provided with the mounting rail 201 of multiple installation wiring board.
In sum, by arranging at least more than two-way separate electric network information collector 1 and metering module 2, this intelligent monitoring protection device can measure the electric network information of multiple supply line simultaneously.Compared with traditional electrical net detect device can only measuring single supply line electric network information, there is the wiring advantage such as simple, easy for installation.By arranging the communication module 5 with three tunnel different communication protocol, user can select more applicable communication mode according to the environment for use at data transmission distance and scene.By arranging harmonic detecting unit 22, being carried out the output of calibration measurement module by the harmonic content of detection of grid, further improving the measuring accuracy of metering module 2.And by step-up error test module 6, metering module 2 can realize calibrating with external perimysium reference part.
In addition, detect the working temperature of electric equipment around by arranging the temperature sensor comprising PT100 in real time, and this temperature value is fed back to remote control terminal through communication module, realize remote monitoring.And belong to high-voltage signal due to electric network information, and the operating voltage of the device such as metering module 2 and control module 4 is low pressure, therefore at least two-way electric network information collector 1 is independently arranged on and wherein a wiring board 100 can reduces the interference of high-voltage signal to low-voltage signal, improve the precision of metering module 2 and control module 4 further.On mounting casing 200, display module is not set, the applicable more harsh suitable environment of enclosed mounting casing 200 simultaneously.
Although the utility model discloses as above by preferred embodiment; but and be not used to limit the utility model; anyly know this those skilled in the art; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection range of the present utility model is when being as the criterion depending on claims scope required for protection.
Claims (8)
1. an intelligent monitoring protection device, is characterized in that, comprising:
At least two-way electric network information collector, each road electric network information collector includes three-phase current collector, three-phase voltage collector, neutral line current collector, and the analog to digital converter be electrically connected with described three-phase current collector, three-phase voltage collector and neutral line current collector respectively;
At least plural metering module, the quantity of described metering module is equal with the quantity of described electric network information collector, described metering module and described electric network information collector one_to_one corresponding are arranged, and metering module described in each includes electricity computing unit, harmonic detecting unit and alignment unit, the input of described electricity computing unit and the input of harmonic detecting unit are electrically connected described electric network information collector respectively, and the output of described electricity computing unit and the output of harmonic detecting unit are electrically connected described alignment unit respectively;
Clock module, for control module provides high-precision clock signal;
Control module, input is electrically connected the output of described metering module and the output of clock module respectively, the output signal of at least plural metering module described in described control module receives according to clock signal;
Communication module, is electrically connected the output of described control module, and described communication module comprises at least one road Ethernet interface, at least two-way optical fiber interface and at least one road RS-485 local communication interface;
At least plural error testing module, the input of each described error testing module and the output one_to_one corresponding of each described metering module are arranged.
2. intelligent monitoring protection device according to claim 1, is characterized in that, described intelligent monitoring protection device also comprises the temperature detecting module of more than at least two-way, and the temperature detecting module described in each road includes the temperature sensor that model is PT100.
3. intelligent monitoring protection device according to claim 1, is characterized in that, described intelligent monitoring protection device also comprises the Analog input mModule of at least two-way 4-20mA and the analog output module of at least two-way 4-20mA.
4. intelligent monitoring protection device according to claim 1, is characterized in that, described intelligent monitoring protection device also comprises multi-way switching values and detects input module.
5. intelligent monitoring protection device according to claim 1, is characterized in that, described intelligent monitoring protection device also comprises multicircuit relay and controls to export.
6. intelligent monitoring protection device according to claim 1, is characterized in that, described intelligent monitoring protection device also comprises the power supply and reserve battery that are connected with power supply grid.
7. intelligent monitoring protection device according to claim 1, is characterized in that, described intelligent monitoring protection device also comprises at least plural wiring board, and described at least two-way electric network information collector is independently arranged on wherein on a wiring board.
8. intelligent monitoring protection device according to claim 7; it is characterized in that; described intelligent monitoring protection device also comprises enclosed mounting casing, and described mounting casing wherein two relative madial walls is provided with the mounting rail of the described wiring board of multiple installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493075.3U CN204089344U (en) | 2014-08-28 | 2014-08-28 | Intelligent monitoring protection device |
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| CN201420493075.3U CN204089344U (en) | 2014-08-28 | 2014-08-28 | Intelligent monitoring protection device |
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| CN204089344U true CN204089344U (en) | 2015-01-07 |
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| CN201420493075.3U Expired - Fee Related CN204089344U (en) | 2014-08-28 | 2014-08-28 | Intelligent monitoring protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297152A (en) * | 2016-10-18 | 2017-01-04 | 湖南威胜信息技术有限公司 | Multifunction electric fire monitoring system |
| CN106877297A (en) * | 2017-03-22 | 2017-06-20 | 长沙久信电力设备有限公司 | Intelligent protection controller |
-
2014
- 2014-08-28 CN CN201420493075.3U patent/CN204089344U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106297152A (en) * | 2016-10-18 | 2017-01-04 | 湖南威胜信息技术有限公司 | Multifunction electric fire monitoring system |
| CN106877297A (en) * | 2017-03-22 | 2017-06-20 | 长沙久信电力设备有限公司 | Intelligent protection controller |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 2, No. 452, No. 310018, No. 6, Poplar Street, Hangzhou economic and Technological Development Zone, Zhejiang, D0408 Patentee after: Hangzhou radical innovations Science and Technology Ltd. Address before: Hangzhou City, Zhejiang province 310018 Xiasha Economic Development Zone No. 6 Street No. 452 Patentee before: HANGZHOU DONGHUAN ELECTRIC CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |