CN102508005A - Safe wireless transmission current measuring device - Google Patents
Safe wireless transmission current measuring device Download PDFInfo
- Publication number
- CN102508005A CN102508005A CN2011103653059A CN201110365305A CN102508005A CN 102508005 A CN102508005 A CN 102508005A CN 2011103653059 A CN2011103653059 A CN 2011103653059A CN 201110365305 A CN201110365305 A CN 201110365305A CN 102508005 A CN102508005 A CN 102508005A
- Authority
- CN
- China
- Prior art keywords
- module
- coil
- data processing
- energy storage
- processing module
- 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.)
- Pending
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a wireless transmission current measuring device. The device has the measuring function, the energy self-service supply function, the capacitive energy storage function, the wireless communication function and the wireless charging function. The device adopts a distribution design, can integrate a failure indication module, and reserves interfaces for other sensors, so as to have strong expandability. All parts of the device are poured in one plastic module, and no electrified body is externally exposed, so that the device is intrinsically safe. A measuring coil and an energy supply coil of the device can be opened and closed, the installation is very convenient, and the device is very suitable for new projects and later stage reconstructed projects as well.
Description
Technical field
The invention belongs to power system simulation measurement amount and relay protection field, be specifically related to a kind of distributed simulation amount harvester that can be used as, is a kind of current measuring device of safe wireless transmission.
Background technology
At distribution with use electrical domain, very many for methods such as the measurement of electric current, indicating fault, be widely used in each link of distribution and electricity consumption and vast industrial enterprise.
Such measurement generally has following several kinds of modes:
1, relies on and uses conventional observing and controlling, protection equipment, as measuring electric current through the conventional current mutual inductor.This observing and controlling, protection equipment need the independent current source power supply.The wired mode of general use communicates uploads measurement result.
2, use independently measurement mechanism, for example use the conventional current mutual inductor, independently power supply power supply can be used wired and wireless mode communicates and upload measurement result.
3, measurement function is integrated on the current transformer module, through induction ask for can, do not need independently power supply.There is not communication function perhaps to upload through wire communication and with measurement result.
4, electric current in the induction cable is not uploaded metrical information, but when having fault current to flow through, provides the directional information of fault current, such as fault detector.
5, through the powered battery sense, the electric current in the induction cable is also measured electric current.Do not upload measurement result, perhaps measurement result is uploaded through wireless.
Above-mentioned metering system can solve on-line measurement, promptly has power supply the time can to measure and upload in the cable, does not have can't measure for a long time electric the time.In the time of prior, when cable did not have electricity for a long time, the historical data of having no idea further to read was for fault analysis brings difficulty.The device design that has battery, but the life-span of battery seriously restricted the use of device.The device design that has the super capacitor store electrical energy, but after the stored electric energy of super capacitor is used up, then can not continue to read historical data again.And the mode of use super capacitor, difficulty is also bigger when producing.The finished product device almost has no idea to test.Only if the power supply port of special, this gives the hidden danger of bringing safe in utilization of module again, and perhaps design makes troubles.
Existing acquisition mode mostly is to design in FTU or DTU, and this mode is more convenient realization in newly-built switch cubicle, ring main unit, but in reforming equipment, because former restriction of having living space, centralized terminal device is very inconvenient.
Summary of the invention
Be to solve the above problem that exists in the prior art, the application discloses a kind of current measuring device of safe wireless transmission.Current measuring device of the present invention is independently gone out collecting part, and its core processing module and communications portion are put together like this, and as new DTU or FTU, it is very little that volume can be done.A large amount of reforming equipments just can use.
Use occasion:
1, as the analogue collection module of FTU in the distribution and DTU;
2, as the intelligent trouble indicator in the intelligent grid;
3, as the Power Quality Detection unit;
4, be inconvenient to outside systems such as low pressure, distribution, electricity consumption, factories and miness etc. concentrate the occasion of design cabinet to carry out data collection station etc.
The following technical scheme of the concrete employing of the present invention:
A kind of current measuring device of wireless transmission is characterized in that:
The current measuring device of said wireless transmission comprises the measurement coil, gets ability coil, data processing module, wireless communication module, capacitance energy storage module, wireless charging module;
Said slotted line snare is put on tested cable, measures the size of electric current in the tested cable through way of electromagnetic induction, is connected to the input end of said data processing module behind the Secondary Part outer meeting resistance of said measurement coil;
Said getting can also be nested with on tested cable by coil, is to obtain electric energy through way of electromagnetic induction, and electric energy is sent to said capacitance energy storage module;
Said capacitance energy storage module links to each other with data processing module, wireless communication module respectively, for data processing module and wireless communication module provide electric energy;
Said data processing module will receive the current value that said measurement coil obtains, and compare with the threshold parameter of storage and to judge whether relevant power equipment is normal;
Said data processing module is connected to respectively also that gets can coil and the wireless charging module, and the energy storage mode of control switch-capacitor energy-storage module when having electric current to flow through in the tested cable, is utilized to get and can coil be obtained energy and charge for the capacitance energy storage module; When not having electric current to flow through in the cable and the electric weight in the capacitance energy storage module can not support the power requirement of data processing module, communication module the time; Said data processing module switches to capacitance energy storage module for power supply mode, controls said capacitance energy storage module receives the external wireless charging through said wireless charging module energy; Said data processing module also is connected to wireless communication module, other sensor interfaces respectively; Be used to receive the sensor values of other sensors transmissions and control wireless communication module and said current value and other sensor values are regularly sent to receiving end, completion exchanges data and this current measure device system upgrade function.
The current measuring device of wireless transmission of the present invention has solved the problem of long-term power supply.The stationary nodes device that can be used as electric current wireless measurement device, power quality analysis device, intelligent trouble device indicating, wireless relay device, factories and miness plant personnel positioning system uses, and also can be used as data collector uses such as temperature when other sensors are installed.
This device can hang on the power supply cable, and is easy for installation, safeguards simple.Possesses the radio upgrade function.Can be used in electric system distribution, use electrical domain, be more suitable in vast mine, field such as enterprise workshop, municipal administration, intelligent building.
Description of drawings
Fig. 1 forms synoptic diagram for device;
Fig. 2 is the device appearance synoptic diagram.
Embodiment
Below in conjunction with Figure of description technical scheme of the present invention is explained further details.
Be depicted as the composition synoptic diagram of the current measuring device of wireless transmission of the present invention like accompanying drawing 1, the current measuring device of wireless transmission comprises the measurement coil, gets ability coil, data processing module, wireless communication module, capacitance energy storage module, wireless charging module.
Coiler part inside comprises two coils, and one of them is for getting the ability coil, and another is for measuring (protection) coil, coiling respectively as requested.According to documents and materials, the starting current (waking electric current up) of getting the ability coil of domestic ECT can reach 0.2～1.0A.Certainly this getting can be mainly the electronic mutual inductor use by coil, and general volume is big, but after the reduced volume, wakes electric current up and can accomplish several amperes.
Said slotted line snare is put on tested cable, measures the size of electric current in the tested cable through way of electromagnetic induction, is connected to the input end of said data processing module behind the Secondary Part outer meeting resistance of said measurement coil;
Said getting can also be nested with on tested cable by coil, is to obtain electric energy through way of electromagnetic induction, and electric energy is sent to said capacitance energy storage module;
Said capacitance energy storage module links to each other with data processing module, wireless communication module respectively, for data processing module and wireless communication module provide electric energy;
Said data processing section also is two parts: data acquisition/processing/communications portion and power unit.
I, data acquisition/processing/communications portion adopt the low consumption circuit design.The main analog acquisition of accomplishing, data computation and radio communication function, deixis also can here realize if desired.
II, power unit can be divided into power source conversion part and energy storage section.Energy storage section can adopt the mode of capacitance energy storage to carry out energy storage.Be implemented in and keep communication and data storage function in tens seconds after the power down.
Do after having a power failure, how operation or maintainer carry out data and read to the scene in III, the use? If still have the part electric energy to support in the electric capacity, then can directly read.If there is not electric energy in the electric capacity, then can charge for electric capacity through the wireless charging technology temporarily, start the internal digital circuit then internal information is come out through wireless transmission.Use after the wireless charging technology, can produce in intra-company, debugging, injection moulding, monitoring, and flexible way is provided field adjustable, setting the time.Full product enclosure-type design is accomplished real wireless.
Said data processing module will receive the current value that said measurement coil obtains, and compare with the threshold parameter of storage and to judge whether relevant power equipment is normal;
Said data processing module is connected to respectively also that gets can coil and the wireless charging module, and the energy storage mode of control switch-capacitor energy-storage module when having electric current to flow through in the tested cable, is utilized to get and can coil be obtained energy and charge for the capacitance energy storage module; When not having electric current to flow through in the cable and the electric weight in the capacitance energy storage module can not support the power requirement of data processing module, communication module the time; Said data processing module switches to capacitance energy storage module for power supply mode, controls said capacitance energy storage module receives the external wireless charging through said wireless charging module energy;
Said data processing module also is connected to wireless communication module, other sensor interfaces respectively; Be used to receive the sensor values of other sensors transmissions and control wireless communication module and said current value and other sensor values are regularly sent to receiving end, completion exchanges data and this current measure device system upgrade function.
Be depicted as the schematic appearance of the current measuring device of wireless transmission of the present invention like accompanying drawing 2.Wherein scheme the vertical view that A is a device, right portions is getting the ability coil and measuring coil of device; Left part is data processing module, wireless communication module, wireless charging module and capacitance energy storage module.Figure B and figure C are the side view of device, and part is described identical with figure A about figure B; Figure C is from data processing module, wireless communication module, wireless charging module and capacitance energy storage module section side view.
Claims (4)
1. the current measuring device of a wireless transmission is characterized in that:
The current measuring device of said wireless transmission comprises the measurement coil, gets ability coil, data processing module, wireless communication module, capacitance energy storage module, wireless charging module;
Said slotted line snare is put on tested cable, measures the size of electric current in the tested cable through way of electromagnetic induction, is connected to the input end of said data processing module behind the Secondary Part outer meeting resistance of said measurement coil;
Said getting can also be nested with on tested cable by coil, obtains electric energy through way of electromagnetic induction, and electric energy is sent to said capacitance energy storage module;
Said capacitance energy storage module links to each other with data processing module, wireless communication module respectively, for data processing module and wireless communication module provide electric energy;
Said data processing module will receive the current value that said measurement coil obtains, and compare with the threshold parameter of storage and to judge whether the power equipment that links to each other with tested cable is normal;
Said data processing module is connected to respectively also that gets can coil and the wireless charging module, and the energy storage mode of control switch-capacitor energy-storage module when having electric current to flow through in the tested cable, is utilized to get and can coil be obtained energy and charge for the capacitance energy storage module; When do not have electric current to flow through in the cable and the capacitance energy storage module in electric weight can not support the power requirement of data processing module, communication module the time; Said data processing module switches to capacitance energy storage module for power supply mode, controls said capacitance energy storage module receives the external wireless charging through said wireless charging module energy;
Said data processing module also is connected to wireless communication module, other sensor interfaces respectively; Be used to receive the sensor values of other sensors transmissions and control wireless communication module and said current value and other sensor values are regularly sent to receiving end, completion exchanges data and this current measure device system upgrade function.
2. the current measuring device of wireless transmission according to claim 1 is characterized in that:
Said device also can be expanded indicating module, and said data processing module links to each other with said indicating module, and indicating module obtains link to each other with tested cable and with the cable operation conditions of power equipment of said current value and other sensor informations and provides data message intuitively.
3. the current measuring device of wireless transmission according to claim 1 and 2 is characterized in that:
Said measurement coil and said getting can coil be open-close type, can conveniently be nested with on tested cable.
4. the current measuring device of wireless transmission according to claim 3 is characterized in that:
The current measuring device of said wireless transmission also comprises heating radiator, and said heating radiator links to each other with said capacitance energy storage module, comprises that the current measuring device of measuring coil and the whole wireless transmission of getting the ability coil all is cast in the plastic mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103653059A CN102508005A (en) | 2011-11-17 | 2011-11-17 | Safe wireless transmission current measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103653059A CN102508005A (en) | 2011-11-17 | 2011-11-17 | Safe wireless transmission current measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102508005A true CN102508005A (en) | 2012-06-20 |
Family
ID=46220111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103653059A Pending CN102508005A (en) | 2011-11-17 | 2011-11-17 | Safe wireless transmission current measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102508005A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063884A (en) * | 2012-12-25 | 2013-04-24 | 北京四方继保自动化股份有限公司 | Wireless testing terminal |
| CN103743941A (en) * | 2014-02-13 | 2014-04-23 | 赵威 | Wireless communication clamp alternating current ammeter without power supply |
| CN107228969A (en) * | 2017-06-15 | 2017-10-03 | 国网浙江义乌市供电公司 | Multipurpose electric flow table and control method with different measurement accuracy |
| CN107238747A (en) * | 2017-06-15 | 2017-10-10 | 国网浙江义乌市供电公司 | Can wireless charging Multipurpose electric flow table and control method |
| CN107390004A (en) * | 2017-06-15 | 2017-11-24 | 国网浙江义乌市供电公司 | The Multipurpose electric flow table and control method of DATA REASONING efficiency can be improved |
| CN108490249A (en) * | 2018-04-18 | 2018-09-04 | 深圳市全智芯科技有限公司 | A kind of detection method of wireless charging receiving terminal aging jig |
| WO2020006952A1 (en) * | 2018-07-03 | 2020-01-09 | 清华大学 | Large-range self-energized current sensing apparatus based on anisotropic magnetoresistive effect |
| CN112230090A (en) * | 2020-10-22 | 2021-01-15 | 国网重庆市电力公司电力科学研究院 | Cable joint detection data recording black box, system and method |
| US20210109131A1 (en) * | 2019-10-14 | 2021-04-15 | Lg Electronics Inc. | Wireless power sensor |
| CN113167820A (en) * | 2018-11-01 | 2021-07-23 | 韦特里西提公司 | System and method for determining coil current in wireless power system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185036Y (en) * | 2008-01-10 | 2009-01-21 | 武汉慧测科技有限公司 | Transmission electricity on-line monitoring device base on wireless sensing technology |
| CN201417286Y (en) * | 2009-06-15 | 2010-03-03 | 深圳市景信达实业有限公司 | Integrated power detection device and system thereof |
| TW201039537A (en) * | 2009-04-17 | 2010-11-01 | Speeder Electronics Co Ltd | Charging structure |
| CN101937764A (en) * | 2010-09-15 | 2011-01-05 | 西安交通大学 | Active photoelectric current transformermutual inductor by mixed power supply of ultrasound and induction |
| CN201830037U (en) * | 2010-03-20 | 2011-05-11 | 厦门市英诺尔电子科技有限公司 | Wireless transmitting and receiving power supply |
| CN102081133A (en) * | 2010-12-08 | 2011-06-01 | 天津市翔晟远电力设备实业有限公司 | Intelligent transformer and equipment for detecting high voltage line |
| CN102170177A (en) * | 2011-04-27 | 2011-08-31 | 南京航空航天大学 | High-power wireless power transmission system |
| CN202033052U (en) * | 2011-04-11 | 2011-11-09 | 保定华电电气有限公司 | Intelligent online monitoring and early warning device for cable running conditions |
-
2011
- 2011-11-17 CN CN2011103653059A patent/CN102508005A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185036Y (en) * | 2008-01-10 | 2009-01-21 | 武汉慧测科技有限公司 | Transmission electricity on-line monitoring device base on wireless sensing technology |
| TW201039537A (en) * | 2009-04-17 | 2010-11-01 | Speeder Electronics Co Ltd | Charging structure |
| CN201417286Y (en) * | 2009-06-15 | 2010-03-03 | 深圳市景信达实业有限公司 | Integrated power detection device and system thereof |
| CN201830037U (en) * | 2010-03-20 | 2011-05-11 | 厦门市英诺尔电子科技有限公司 | Wireless transmitting and receiving power supply |
| CN101937764A (en) * | 2010-09-15 | 2011-01-05 | 西安交通大学 | Active photoelectric current transformermutual inductor by mixed power supply of ultrasound and induction |
| CN102081133A (en) * | 2010-12-08 | 2011-06-01 | 天津市翔晟远电力设备实业有限公司 | Intelligent transformer and equipment for detecting high voltage line |
| CN202033052U (en) * | 2011-04-11 | 2011-11-09 | 保定华电电气有限公司 | Intelligent online monitoring and early warning device for cable running conditions |
| CN102170177A (en) * | 2011-04-27 | 2011-08-31 | 南京航空航天大学 | High-power wireless power transmission system |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063884A (en) * | 2012-12-25 | 2013-04-24 | 北京四方继保自动化股份有限公司 | Wireless testing terminal |
| CN103063884B (en) * | 2012-12-25 | 2015-09-02 | 北京四方继保自动化股份有限公司 | A kind of wireless test terminal |
| CN103743941A (en) * | 2014-02-13 | 2014-04-23 | 赵威 | Wireless communication clamp alternating current ammeter without power supply |
| CN103743941B (en) * | 2014-02-13 | 2016-08-17 | 赵威 | Non-transformer wireless telecommunications AC clip-on ammeter |
| CN107390004A (en) * | 2017-06-15 | 2017-11-24 | 国网浙江义乌市供电公司 | The Multipurpose electric flow table and control method of DATA REASONING efficiency can be improved |
| CN107238747A (en) * | 2017-06-15 | 2017-10-10 | 国网浙江义乌市供电公司 | Can wireless charging Multipurpose electric flow table and control method |
| CN107228969A (en) * | 2017-06-15 | 2017-10-03 | 国网浙江义乌市供电公司 | Multipurpose electric flow table and control method with different measurement accuracy |
| CN108490249A (en) * | 2018-04-18 | 2018-09-04 | 深圳市全智芯科技有限公司 | A kind of detection method of wireless charging receiving terminal aging jig |
| WO2020006952A1 (en) * | 2018-07-03 | 2020-01-09 | 清华大学 | Large-range self-energized current sensing apparatus based on anisotropic magnetoresistive effect |
| CN113167820A (en) * | 2018-11-01 | 2021-07-23 | 韦特里西提公司 | System and method for determining coil current in wireless power system |
| CN113167820B (en) * | 2018-11-01 | 2022-07-05 | 韦特里西提公司 | System and method for determining coil current in wireless power system |
| US20210109131A1 (en) * | 2019-10-14 | 2021-04-15 | Lg Electronics Inc. | Wireless power sensor |
| CN112230090A (en) * | 2020-10-22 | 2021-01-15 | 国网重庆市电力公司电力科学研究院 | Cable joint detection data recording black box, system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102508005A (en) | Safe wireless transmission current measuring device | |
| CN206340837U (en) | A kind of Intelligent operation control device of switch cabinet with wireless temperature measuring function | |
| CN207764339U (en) | A kind of overhead type fault locator based on NB-IOT communications | |
| CN104319895B (en) | A kind of Intelligent power distribution path monitoring terminal | |
| CN202793627U (en) | Bus joint temperature measuring wireless sensor network (WSN) node | |
| CN204389614U (en) | A kind of portable multi-function energy efficiency monitor | |
| CN203368143U (en) | Low-voltage distribution integrated monitoring device | |
| CN203416050U (en) | Transformer room low-voltage power supply remote real-time monitoring apparatus | |
| CN209000209U (en) | Monitoring device and monitoring system | |
| CN207586307U (en) | A kind of anti-electricity-theft current collecting device of distribution line | |
| CN208923837U (en) | It is a kind of for administering the controlling terminal of distribution three-phase load unbalance | |
| CN207468739U (en) | A kind of solar energy radio cathodic protection stake | |
| CN203929246U (en) | Substation equipment temperature-detecting device | |
| CN207638399U (en) | A kind of Intelligent power distribution case | |
| CN202977898U (en) | Power socket capable of measuring power consumption | |
| CN201562025U (en) | Overhead line transmission capacity on-line monitoring device | |
| CN202057425U (en) | An intelligent long-distance temperature acquisition and transmission module | |
| CN106908658A (en) | A kind of home wireless digital electronic sensor | |
| CN211427123U (en) | Current and voltage data acquisition device | |
| CN210514436U (en) | Multi-loop ammeter for base station | |
| CN204359838U (en) | Electric power specially becomes large user's electricity anti-theft system | |
| CN207424082U (en) | A kind of current sensor with solar cell | |
| CN206742967U (en) | Supply and demand both sides power load monitoring system | |
| CN207200380U (en) | A kind of electric energy efficiency monitoring terminal of modularized design | |
| Lu et al. | Substation equipment temperature monitoring system design based on self-powered wireless temperature sensors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |