CN107576836A - Comprehensive sensor - Google Patents
Comprehensive sensor Download PDFInfo
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- CN107576836A CN107576836A CN201710970159.XA CN201710970159A CN107576836A CN 107576836 A CN107576836 A CN 107576836A CN 201710970159 A CN201710970159 A CN 201710970159A CN 107576836 A CN107576836 A CN 107576836A
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- 239000003990 capacitor Substances 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides comprehensive sensor, including the first high-voltage capacitor, the first isolation sensor, magnetic resistance full-bridge, the second high-voltage capacitor, the second isolation sensor and signal processing unit；First high-voltage capacitor and the first isolation sensor connect to form power supply unit, power supply unit connection signal processing unit, and power supply unit is used to be powered signal processing unit；Magnetic resistance full-bridge connects signal processing unit, and magnetic resistance full-bridge is used to send the current signal of detection to signal processing unit；Second high-voltage capacitor and the second isolation sensor connect to form voltage detection unit, voltage detection unit connection signal processing unit, and voltage detection unit is used to send the voltage signal of detection to signal processing unit；Signal processing unit is used to be digitized processing to current signal and voltage signal, and is transmitted by radio-cell.Comprehensive sensor proposed by the present invention, its is simple in construction, stably, reliably, and small volume.
Description
Technical field
The present invention relates to smart city sensor technical field, more particularly to comprehensive sensor.
Background technology
At present, power network current voltage measurement in China's is with electromagnetic type current-voltage transformer or mutual with electronic current voltage
Sensor.
For example, the patent document that notification number is CN203707766U discloses electromagnetic transformer, including an earth terminal
The aluminum pipe being grounded is stretched out from the earth terminal with one, the electromagnetic transformer is also fixed on the earth terminal including one
Fixture and a plurality of earthing members for being fixed on the fixture, contacted wherein the earthing member has with what the aluminum pipe contacted
Face.In fact, electromagnetic type current-voltage transformer is easily saturated, and the electric capacity on the inductance and power network of voltage transformer can give birth to
Resonance is produced, operation risk is big, and volume is big.
For another example the patent document that notification number is CN203324347U discloses a kind of electronic mutual inductor, including：Sensing
Head, collector and combining unit, described sensing head, are connected by shielded cable with the collector, are sent out to the collector
Send input signal；Described collector, connected by optical fiber with the combining unit, be installed on the ground of the electronic mutual inductor
Current potential side, the correction factor of the collector are adapted dynamically according to the property of the sensor；By sampling system to described defeated
Enter signal to be acquired to obtain data signal, by the data signal by optical fiber output to combining unit；Described merging list
Member, connected by optical fiber with the collector, the data signal to come to collector output merges processing, is converted into
Ethernet data, the Ethernet data is passed through into optical fiber output.In fact, electronic current voltage transformer volume is also big.
The content of the invention
To solve above-mentioned technical problem, the present invention proposes comprehensive sensor, and its is simple in construction, stably, reliably, and body
Product is small.
To achieve the above object, the invention provides following technical scheme：
Comprehensive sensor, including the first high-voltage capacitor, the first isolation sensor, magnetic resistance full-bridge, the second high-voltage capacitor,
Second isolation sensor and signal processing unit；
First high-voltage capacitor connects to form power supply unit with first isolation sensor, and said supply unit connects
The signal processing unit is connect, and said supply unit is used to be powered the signal processing unit；
The magnetic resistance full-bridge connects the signal processing unit, and the magnetic resistance full-bridge is used for the current signal of detection
Send to the signal processing unit；
Second high-voltage capacitor connects to form voltage detection unit with second isolation sensor, the voltage inspection
Survey unit and connect the signal processing unit, and the voltage detection unit is used to send the voltage signal of detection to described
Signal processing unit；
The signal processing unit is used to be digitized processing to the current signal and the voltage signal, and leads to
Radio-cell is crossed to be transmitted.
As a kind of embodiment, the magnetic resistance full-bridge uses tunnel magneto resistance.
As a kind of embodiment, first high-voltage capacitor and second high-voltage capacitor use ceramic electrical
Hold.
As a kind of embodiment, first high-voltage capacitor, first isolation sensor, the magnetic resistance are complete
Bridge, second high-voltage capacitor, second isolation sensor and the signal processing unit pass through epoxy encapsulation
One.
As a kind of embodiment, the radio-cell is built in the signal processing unit.
As a kind of embodiment, the radio-cell is placed on the signal processing unit.
The present invention is compared to the beneficial effect of prior art：
The invention provides a kind of comprehensive sensor, including the first high-voltage capacitor, the first isolation sensor, magnetic resistance are complete
Bridge, the second high-voltage capacitor, the second isolation sensor and signal processing unit；Wherein, the first high-voltage capacitor, first every
It is used to be powered signal processing unit from sensor；Wherein, magnetic resistance full-bridge is used to detect electric current；Wherein, the second high-tension electricity
Container, the second isolation sensor are used to detect voltage.Current signal and voltage signal are carried out finally by signal processing unit
Digitized processing, and be wirelessly transmitted.
Brief description of the drawings
Fig. 1 is the block diagram for the comprehensive sensor that one embodiment of the invention provides；
Fig. 2 is the block diagram for the comprehensive sensor that another embodiment of the present invention provides；
Fig. 3 is the block diagram for the comprehensive sensor that further embodiment of this invention provides.
In figure：C1, the first high-voltage capacitor；C2, the second high-voltage capacitor；T1, the first isolation sensor；T2, second every
From sensor；U1, magnetic resistance full-bridge；U2, signal processing unit；U21, radio-cell.
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention, rather than whole embodiments.
Reference picture 1, present embodiments provides comprehensive sensor, and it includes the first high-voltage capacitor C1, the first isolation sensing
Device T1, magnetic resistance full-bridge U1, the second high-voltage capacitor C2, the second isolation sensor T2 and signal processing unit U2；First high pressure
Capacitor C1 and the first isolation sensor T1 connect to form power supply unit, power supply unit connection signal processing unit U2, and supply
Electric unit is used to be powered signal processing unit U2；Magnetic resistance full-bridge U1 connection signal processing unit U2, and magnetic resistance full-bridge
U1 is used to send the current signal of detection to signal processing unit U2；Second high-voltage capacitor C2 and the second isolation sensor T2
Connection forms voltage detection unit, voltage detection unit connection signal processing unit U2, and voltage detection unit is used to examine
The voltage signal of survey is sent to signal processing unit U2；Signal processing unit U2 is used to enter line number to current signal and voltage signal
Wordization processing, and be transmitted by radio-cell U21.
In the present embodiment, the first high-voltage capacitor C1, the first isolation sensor T1 are used to carry out signal processing unit U2
Power supply；Magnetic resistance full-bridge U1 is used to detect electric current；Second high-voltage capacitor C2, the second isolation sensor T2 are used to detect voltage.Most
Processing is digitized to current signal and voltage signal by signal processing unit U2 afterwards, and wirelessly sent out
Send.Generally speaking, its is simple in construction, stably, reliably, and small volume.
In one embodiment, magnetic resistance full-bridge U1 uses tunnel magneto resistance.
In one embodiment, the first high-voltage capacitor C1 and the second high-voltage capacitor C2 use ceramic condenser, long lifespan.
In one embodiment, the first high-voltage capacitor C1, the first isolation sensor T1, magnetic resistance full-bridge U1, the second high pressure
Capacitor C2, the second isolation sensor T2 and signal processing unit U2 pass through epoxy encapsulation one.So, first is high
Piezoelectric capsule C1, the first isolation sensor T1, magnetic resistance full-bridge U1, the second high-voltage capacitor C2, the second isolation sensor T2 and
Signal processing unit U2 plays environment environmental protection, dust-proof, moistureproof, shockproof, improves reliability.
Reference picture 2, in one embodiment, radio-cell U21 are built in signal processing unit U2.
In the present embodiment, radio-cell U21 belongs to a signal processing unit U2 part, and signal processing unit U2 passes through nothing
Line unit U21 is transmitted to current signal and voltage signal.
Reference picture 3, in one embodiment, radio-cell U21 are placed on signal processing unit U2.
In the present embodiment, radio-cell U21 is not belonging to a signal processing unit U2 part, and signal processing unit U2 passes through
Radio-cell U21 is transmitted to current signal and voltage signal.
In one embodiment, a kind of comprehensive sensor, in addition to the first external signal transceiver and transformer, first
Signal transceiver is connected with transformer；Also include secondary signal transceiver, secondary signal transceiver is connected with magnetic resistance full-bridge U1；And
And first signal transceiver and secondary signal transceiver wireless connection.In use, the first signal transceiver and transformer are installed
In line side, a control signal is then sent by secondary signal transceiver, makes transformer by the signal detected by the
One signal transceiver is beamed back, and this process realizes wireless and remote detection.Solve at present can only near radio detection
Problem.Also, the signal intensity of the first signal transceiver and secondary signal transceiver is adjusted according to below equation, Q~
L*I (u, n2).Wherein, Q is signal intensity, and L is the distance between the first signal transceiver and secondary signal transceiver, and I is line
The electric current of trackside, u and n2Positive related parameter between Q and L, I.In fact, positive correlation between Q and L, I, if the first signal
The distance between transceiver and secondary signal transceiver are big, and corresponding signal intensity is also big；If the electric current in line side is big, accordingly
Signal intensity it is also big.Above to the regulation of signal intensity, contribute to magnetic resistance full-bridge U1 detection, because distorted signals is small.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. comprehensive sensor, it is characterised in that complete including the first high-voltage capacitor (C1), the first isolation sensor (T1), magnetic resistance
Bridge (U1), the second high-voltage capacitor (C2), the second isolation sensor (T2) and signal processing unit (U2)；
First high-voltage capacitor (C1) and first isolation sensor (T1) connection form power supply unit, and the power supply is single
Member connects the signal processing unit (U2), and said supply unit is used to supply the signal processing unit (U2)
Electricity；
The magnetic resistance full-bridge (U1) connects the signal processing unit (U2), and the magnetic resistance full-bridge (U1) is used for detection
Current signal is sent to the signal processing unit (U2)；
Second high-voltage capacitor (C2) and second isolation sensor (T2) connection form voltage detection unit, the electricity
Detection unit is pressed to connect the signal processing unit (U2), and the voltage detection unit is used to send out the voltage signal of detection
Deliver to the signal processing unit (U2)；
The signal processing unit (U2) is used to be digitized processing to the current signal and the voltage signal, and leads to
Radio-cell (U21) is crossed to be transmitted.
2. comprehensive sensor according to claim 1, it is characterised in that the magnetic resistance full-bridge (U1) uses tunnel magnetoelectricity
Resistance.
3. comprehensive sensor according to claim 1, it is characterised in that first high-voltage capacitor (C1) and described
Two high-voltage capacitors (C2) use ceramic condenser.
4. comprehensive sensor according to claim 1, it is characterised in that first high-voltage capacitor (C1), described
One isolation sensor (T1), the magnetic resistance full-bridge (U1), second high-voltage capacitor (C2), second isolation sensor
(T2) and the signal processing unit (U2) passes through epoxy encapsulation one.
5. comprehensive sensor according to claim 1, it is characterised in that the radio-cell (U21) is built in the letter
Number processing unit (U2).
6. comprehensive sensor according to claim 1, it is characterised in that the radio-cell (U21) is placed on the letter
Number processing unit (U2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970159.XA CN107576836A (en) | 2017-10-18 | 2017-10-18 | Comprehensive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970159.XA CN107576836A (en) | 2017-10-18 | 2017-10-18 | Comprehensive sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107576836A true CN107576836A (en) | 2018-01-12 |
Family
ID=61037464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710970159.XA Pending CN107576836A (en) | 2017-10-18 | 2017-10-18 | Comprehensive sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576836A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5432438A (en) * | 1991-06-29 | 1995-07-11 | Asea Brown Boverti Ltd. | Combined current and voltage transformer for a metal-enclosed gas-insulated high-voltage switching station |
| WO2006021030A1 (en) * | 2004-08-23 | 2006-03-02 | Fault Detectors Pty Ltd | Electrical power line sensing and sensor assembly |
| CN200989916Y (en) * | 2006-12-15 | 2007-12-12 | 长沙同庆电气信息有限公司 | Capacitance or resistance series hollow coil electronic voltage multual inductor |
| RU2337480C1 (en) * | 2007-05-07 | 2008-10-27 | Государственное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (КГЭУ) | Single-phase combined device for measurement of current, voltage and provision of hf communication |
| US20090262860A1 (en) * | 2006-05-12 | 2009-10-22 | Nxp B.V. | Current interface with a blocking capacitor attached to an additional pin |
| KR101183294B1 (en) * | 2011-05-19 | 2012-09-14 | 백승국 | Portable type voltage and current device |
| US20130187645A1 (en) * | 2010-07-30 | 2013-07-25 | Peugeot Citroen Automobiles Sa | Magnetoresistor integrated sensor for measuring voltage or current, and diagnostic system |
| CN203151237U (en) * | 2012-11-28 | 2013-08-21 | 北京嘉岳同乐极电子有限公司 | Intelligent power grid system |
| CN203310450U (en) * | 2013-07-09 | 2013-11-27 | 西安华伟光电技术有限公司 | Multifunctional combined sensor for GIS |
| US20140062471A1 (en) * | 2010-10-26 | 2014-03-06 | Jiang Su Multi Dimension Technology Co., Ltd | Single-package Power Meter |
| CN103675445A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Capacitive voltage mutual inductor with high-voltage harmonic measurement function and measurement method |
| CN203949980U (en) * | 2014-05-29 | 2014-11-19 | 国家电网公司 | The charged detector of capacitance type potential transformer |
| CN204028191U (en) * | 2014-06-27 | 2014-12-17 | 镇江瑞清电子科技有限公司 | A kind of electric current and voltage integration mutual inductor |
| CN104635043A (en) * | 2015-01-30 | 2015-05-20 | 国网河南省电力公司郑州供电公司 | Electronic sensing type high-voltage metering device and remote testing system |
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-
2017
- 2017-10-18 CN CN201710970159.XA patent/CN107576836A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5432438A (en) * | 1991-06-29 | 1995-07-11 | Asea Brown Boverti Ltd. | Combined current and voltage transformer for a metal-enclosed gas-insulated high-voltage switching station |
| WO2006021030A1 (en) * | 2004-08-23 | 2006-03-02 | Fault Detectors Pty Ltd | Electrical power line sensing and sensor assembly |
| US20090262860A1 (en) * | 2006-05-12 | 2009-10-22 | Nxp B.V. | Current interface with a blocking capacitor attached to an additional pin |
| CN200989916Y (en) * | 2006-12-15 | 2007-12-12 | 长沙同庆电气信息有限公司 | Capacitance or resistance series hollow coil electronic voltage multual inductor |
| RU2337480C1 (en) * | 2007-05-07 | 2008-10-27 | Государственное образовательное учреждение высшего профессионального образования "Казанский государственный энергетический университет" (КГЭУ) | Single-phase combined device for measurement of current, voltage and provision of hf communication |
| US20130187645A1 (en) * | 2010-07-30 | 2013-07-25 | Peugeot Citroen Automobiles Sa | Magnetoresistor integrated sensor for measuring voltage or current, and diagnostic system |
| US20140062471A1 (en) * | 2010-10-26 | 2014-03-06 | Jiang Su Multi Dimension Technology Co., Ltd | Single-package Power Meter |
| KR101183294B1 (en) * | 2011-05-19 | 2012-09-14 | 백승국 | Portable type voltage and current device |
| CN203151237U (en) * | 2012-11-28 | 2013-08-21 | 北京嘉岳同乐极电子有限公司 | Intelligent power grid system |
| CN203310450U (en) * | 2013-07-09 | 2013-11-27 | 西安华伟光电技术有限公司 | Multifunctional combined sensor for GIS |
| CN103675445A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Capacitive voltage mutual inductor with high-voltage harmonic measurement function and measurement method |
| CN203949980U (en) * | 2014-05-29 | 2014-11-19 | 国家电网公司 | The charged detector of capacitance type potential transformer |
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| CN104635043A (en) * | 2015-01-30 | 2015-05-20 | 国网河南省电力公司郑州供电公司 | Electronic sensing type high-voltage metering device and remote testing system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180112 |
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