CN106990370A - A kind of isolated superconducting magnetic energy storage system quenches detection device - Google Patents
A kind of isolated superconducting magnetic energy storage system quenches detection device Download PDFInfo
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- CN106990370A CN106990370A CN201710215943.XA CN201710215943A CN106990370A CN 106990370 A CN106990370 A CN 106990370A CN 201710215943 A CN201710215943 A CN 201710215943A CN 106990370 A CN106990370 A CN 106990370A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 230000003321 amplification Effects 0.000 claims abstract description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 18
- 230000006837 decompression Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 3
- 238000010791 quenching Methods 0.000 abstract description 11
- 230000006698 induction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Detection device is quenched the invention discloses a kind of isolated superconducting magnetic energy storage system, including signal acquisition part and separates the signal processing for setting and electrically connecting therewith, it is characterised in that：The signal acquisition part point includes Hall element, the signal processing includes compensation circuit, signal amplification circuit and the voltage measuring apparatus being sequentially connected, the Hall original paper is electrically connected with the compensation circuit, the signal amplification circuit is also associated with decompression zeroing circuit, in addition to the DC power supplier powered for modules.The present invention can realize it is quick, convenient, accurately quench detection, directly detection quenches index, directly judge to quench by detecting the magnetic induction intensity of energy storage device, as long as in the case of other no high-intensity magnetic field objects, can exactly detect and quench, it is not easily susceptible to interference, meanwhile, when magnetic energy storage systems are quenched, magnetic fluctuation is big, criterion substantially, also enhances anti-interference.
Description
Technical field
Detection technique field is quenched the present invention relates to superconducting magnetic energy storage system, and in particular to a kind of isolated super conductive magnetic storage energy
System quenches detection device.
Background technology
The zero resistance nature of superconducting magnetic energy storage makes it have very big power density, with energy storage efficiency height, response
The features such as speed is fast, energy exchange and the Power Exchange of Large Copacity can be provided to power system, for improving the quality of power supply, is carried
The security of high power system has important meaning.
On this basis, quenching for superconducting magnetic energy storage can be detected by quenching detection means, send alarm, protect system,
Protect the safety of power system.
But, the existing detection device that quenches, should for the detection method based on electric bridge detection method or active power detection method
Class method needs to build a circuit for including superconducting coil, measures the circuit parameter of superconducting magnetic energy storage system, then passes through electricity
Road is handled signal, judges whether to be quenched, and this method has the disadvantage that：
1. versatility is not strong, it is impossible to which the energy-storage systems different to parameter are detected.
2. because circuit structure is complicated, it is smaller to quench criterion numerical value, easily by noise jamming, influences larger.
3. the theoretical foundation of above two method has certain defect, there is undetectable situation.
4. because superconducting coil is a part for measurement apparatus, therefore, it is difficult to dismount.
The content of the invention
Based on the deficiencies in the prior art, inspection is quenched it is an object of the invention to provide a kind of isolated superconducting magnetic energy storage system
Measurement equipment, directly judges to quench by detecting the magnetic induction intensity of energy storage device, realizes that quick, convenient, accurate detection is lost
It is super.
To achieve the above object, the technical scheme is that：
A kind of isolated superconducting magnetic energy storage system quenches detection device, including signal acquisition part and separates therewith and set and be electrically connected
The signal processing connect, the signal acquisition part point includes Hall element, and the signal processing includes what is be sequentially connected
Compensation circuit, signal amplification circuit and voltage measuring apparatus, the Hall original paper are electrically connected with the compensation circuit, the signal
Amplifying circuit is also associated with decompression zeroing circuit, in addition to the DC power supplier powered for modules；
The Hall element, for sensing the coil in superconducting magnetic energy storage system, Hall member is excited according to different magnetic field intensities
Part exports different voltages, and the voltage of the magnetic excitation Hall element exporting change of change realizes the collection of primary signal；
The compensation circuit, the magnitude of voltage for being gathered to Hall element carries out voltage compensation, exports new magnitude of voltage, and without magnetic
In the case of, the new magnitude of voltage for making output is zero；
The signal amplification circuit, the new voltage for the compensation circuit to be exported is amplified, to meet voltage measurement dress
The measurement request put；
The voltage measuring apparatus, for being measured to the voltage that the signal amplification circuit is exported；
The decompression zeroing circuit, under zero magnetic field condition, the output voltage signal for making signal amplification circuit to be zero.
It is preferred that, the Hall element uses model UGN3503LT Hall element.
It is preferred that, the compensation circuit includes the first amplifier, first resistor R1, second resistance R2,3rd resistor R3, the 4th
Variable resistor R4 and the 5th resistance R5, first amplifier is CA3140 high input impedance operational amplifiers, and the first resistor R1 connects
It is connected on the negative phase end of Hall element and first amplifier, the 3rd resistor R3 and the 4th variable resistor R4 and direct current supply electricity
Source constitutes series loop, and described second resistance R2 one end is connected on the connecting line between 3rd resistor R3 and the 4th resistance R4,
The other end is connected with the positive terminal of first amplifier, and the 5th resistance R5 is connected to the positive terminal and ground of the first amplifier
Between, the output end of first amplifier is the output end of the compensation circuit.
It is preferred that, the signal amplification circuit includes the second amplifier, the 6th resistance R6, the 7th resistance R7 and the first electric capacity
C1, second amplifier is CA3140 high input impedance operational amplifiers, and the 6th resistance R6 is connected to the defeated of the compensation circuit
Go out between end and the end of oppisite phase of second amplifier, the 7th resistance R7 and the first electric capacity C1 are in parallel and are connected across described
Between the end of oppisite phase and output end of second amplifier.
It is preferred that, the decompression zeroing circuit includes swept resistance R8, the 9th resistance R9, the tenth resistance R10, the first individual event
Conducting diode D1 and the second individual event conducting diode D2, the swept resistance R8 slide plate end are connecting second amplifier just
Xiang Duan, other two ends are connected to the 9th resistance R9 first end and the tenth resistance R10 first end, the 9th resistance R9
The second end connection DC power anode, the second end of the tenth resistance R10 connects the negative pole of dc source, the 9th electricity
Resistance R9 first end is also connected with the first individual event conducting diode D1 positive pole, the first end connection second of the tenth resistance R10
Individual event conducting diode D2 negative pole, the negative pole and the second individual event conducting diode of the first individual event conducting diode D1
D2 plus earth.
Beneficial effects of the present invention are：Can realize it is quick, convenient, accurately quench detection, directly detection quench index,
Directly judge to quench by detecting the magnetic induction intensity of energy storage device, as long as in the case of other no high-intensity magnetic field objects,
It can exactly detect and quench, be not easily susceptible to interference, meanwhile, when magnetic energy storage systems are quenched, magnetic fluctuation is big, and criterion is obvious,
Enhance anti-interference；
In addition, it is not necessary that linked together with energy storage device, can be as an independent module, will not be to energy-storage system itself
Impact, without different designs are carried out according to different energy storage devices, highly versatile disclosure satisfy that nearly all type
Surpass the detection demand of equipment, save cost, and be easy to dismounting.
Brief description of the drawings
Fig. 1 is the circuit module block diagram of the specific embodiment of the invention；
Fig. 2 is the circuit theory diagrams of the specific embodiment of the invention.
Embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing clear
Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of isolated superconducting magnetic energy storage system quenches detection device, including signal acquisition part and therewith
Separate the signal processing for setting and electrically connecting, signal acquisition part point includes Hall element 1, and signal processing is included successively
Compensation circuit 2, signal amplification circuit 3 and the voltage measuring apparatus 4 of connection, Hall original paper are electrically connected with compensation circuit, and signal is put
Big circuit is also associated with decompression zeroing circuit 5, in addition to the DC power supplier 6 powered for modules；
Hall element 1, for sensing the coil in superconducting magnetic energy storage system, excites Hall element defeated according to different magnetic field intensities
Go out different voltages, the voltage of the magnetic excitation Hall element exporting change of change realizes the collection of primary signal；The present embodiment
Hall element uses model UGN3503LT Hall element.
As shown in Fig. 2 compensation circuit 2, the magnitude of voltage for being gathered to Hall element carries out voltage compensation, new voltage is exported
Value, and in the case of without magnetic field, the new magnitude of voltage for making output is zero；The present embodiment compensation circuit includes the first amplifier, first
Resistance R1, second resistance R2,3rd resistor R3, the 4th variable resistor R4 and the 5th resistance R5, the first amplifier are CA3140 high resistants
Anti- operational amplifier, first resistor R1 is connected to the negative phase end of Hall element and the first amplifier, and 3rd resistor R3 and the 4th is variable
Resistance R4 and DC power supply constitute series loop, second resistance R2 one end be connected to 3rd resistor R3 and the 4th resistance R4 it
Between connecting line on, the other end is connected with the positive terminal of the first amplifier, the 5th resistance R5 be connected to the positive terminal of the first amplifier with
Between ground, the output end of the first amplifier is the output end of the compensation circuit, by adjusting the 4th variable resistor R4 resistance, is changed
Become the magnitude of voltage of the first amplifier positive terminal of input, make under without magnetic field conditions, the electricity of the first amplifier end of oppisite phase of input and positive terminal
Pressure difference is zero.
Signal amplification circuit 3, the new voltage for compensation circuit to be exported is amplified, to meet voltage measuring apparatus
Measurement request；The present embodiment signal amplification circuit includes the second amplifier, the 6th resistance R6, the 7th resistance R7 and the first electric capacity C1,
Second amplifier is CA3140 high input impedance operational amplifiers, and the 6th resistance R6 is connected to the output end and the second amplifier of compensation circuit
Between end of oppisite phase, the 7th resistance R7 and the first electric capacity C1 are in parallel and are connected across between the end of oppisite phase of the second amplifier and output end, this
The signal amplification circuit of embodiment is negative feedback amplifier circuit.
Voltage measuring apparatus 4, for being measured to the voltage that signal amplification circuit is exported, can be used in higher sensitivity
Voltmeter is measured.
Decompression zeroing circuit 5, under zero magnetic field condition, the output voltage signal for making signal amplification circuit to be zero, this
Embodiment decompression zeroing circuit includes swept resistance R8, the 9th resistance R9, the tenth resistance R10, the first individual event conducting diode D1
The positive terminal of the second amplifier is connected with the second individual event conducting diode D2, swept resistance R8 slide plate end, other two ends connect respectively
The 9th resistance R9 first end and the tenth resistance R10 first end are connected on, the 9th resistance R9 the second end connection dc source is just
Pole, the tenth resistance R10 the second end connects the negative pole of dc source, and the 9th resistance R9 first end is also connected with the first individual event conducting
Diode D1 positive pole, the tenth resistance R10 first end connects the second individual event conducting diode D2 negative pole, the first individual event conducting
The plus earth of diode D1 negative pole and the second individual event conducting diode D2, the resistance R9 of the present embodiment the 9th the second end connection
Positive 12V DC power anodes, the negative pole of the tenth resistance R10 negative 12V dc sources of the second end connection, by adjusting the 8th resistance
R8 tissue, so that the voltage of the second amplifier positive terminal is adjusted, and according to the decompression situation of the positive end of oppisite phase of the second amplifier, selection is just
12V circuit turn-ons still bear 12V circuit turn-ons.
It should be noted that simply presently preferred embodiments of the present invention described above, the invention is not limited in above-mentioned
Embodiment, as long as it reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.
Claims (5)
1. a kind of isolated superconducting magnetic energy storage system quenches detection device, including signal acquisition part and separating therewith is set and electricity
The signal processing of connection, it is characterised in that：The signal acquisition part point includes Hall element, the signal processing part subpackage
Include the compensation circuit being sequentially connected, signal amplification circuit and voltage measuring apparatus, the Hall original paper and compensation circuit electricity
Connection, the signal amplification circuit is also associated with decompression zeroing circuit, in addition to the DC power supplier powered for modules；
The Hall element, for sensing the coil in superconducting magnetic energy storage system, Hall member is excited according to different magnetic field intensities
Part exports different voltages, and the voltage of the magnetic excitation Hall element exporting change of change realizes the collection of primary signal；
The compensation circuit, the magnitude of voltage for being gathered to Hall element carries out voltage compensation, exports new magnitude of voltage, and without magnetic
In the case of, the new magnitude of voltage for making output is zero；
The signal amplification circuit, the new voltage for the compensation circuit to be exported is amplified, to meet voltage measurement dress
The measurement request put；
The voltage measuring apparatus, for being measured to the voltage that the signal amplification circuit is exported；
The decompression zeroing circuit, under zero magnetic field condition, the output voltage signal for making signal amplification circuit to be zero.
2. isolated superconducting magnetic energy storage system as claimed in claim 1 quenches detection device, it is characterised in that：The Hall member
Part uses model UGN3503LT Hall element.
3. isolated superconducting magnetic energy storage system as claimed in claim 1 quenches detection device, it is characterised in that：The compensation electricity
Road includes the first amplifier, first resistor R1, second resistance R2,3rd resistor R3, the 4th variable resistor R4 and the 5th resistance R5, institute
The first amplifier is stated for CA3140 high input impedance operational amplifiers, the first resistor R1 is connected to Hall element and first amplifier
Negative phase end, the 3rd resistor R3 and the 4th variable resistor R4 and DC power supply constitute series loop, second electricity
Resistance R2 one end is connected on the connecting line between 3rd resistor R3 and the 4th resistance R4, the other end and the positive of first amplifier
End connection, the 5th resistance R5 is connected between the positive terminal of the first amplifier and ground, and the output end of first amplifier is institute
State the output end of compensation circuit.
4. isolated superconducting magnetic energy storage system as claimed in claim 1 quenches detection device, it is characterised in that：The signal is put
Big circuit includes the second amplifier, the 6th resistance R6, the 7th resistance R7 and the first electric capacity C1, and second amplifier is CA3140 high resistants
Anti- operational amplifier, the 6th resistance R6 be connected to the output end of the compensation circuit and second amplifier end of oppisite phase it
Between, the 7th resistance R7 and the first electric capacity C1 it is in parallel and be connected across the end of oppisite phase of second amplifier and output end it
Between.
5. isolated superconducting magnetic energy storage system as claimed in claim 4 quenches detection device, it is characterised in that：The decompression is adjusted
Zero circuit is led including swept resistance R8, the 9th resistance R9, the tenth resistance R10, the first individual event conducting diode D1 and the second individual event
Logical diode D2, the swept resistance R8 slide plate end connect the positive terminal of second amplifier, and other two ends are connected to
9th resistance R9 first end and the tenth resistance R10 first end, the second end connection dc source of the 9th resistance R9 is just
Pole, the second end of the tenth resistance R10 connects the negative pole of dc source, and the first end of the 9th resistance R9 is also connected with first
Individual event conducting diode D1 positive pole, the first end of the tenth resistance R10 connects the second individual event conducting diode D2 negative pole,
The plus earth of the negative pole of the first individual event conducting diode D1 and the second individual event conducting diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215943.XA CN106990370A (en) | 2017-04-01 | 2017-04-01 | A kind of isolated superconducting magnetic energy storage system quenches detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215943.XA CN106990370A (en) | 2017-04-01 | 2017-04-01 | A kind of isolated superconducting magnetic energy storage system quenches detection device |
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| CN106990370A true CN106990370A (en) | 2017-07-28 |
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| CN201710215943.XA Pending CN106990370A (en) | 2017-04-01 | 2017-04-01 | A kind of isolated superconducting magnetic energy storage system quenches detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426661A (en) * | 2019-08-13 | 2019-11-08 | 上海交通大学 | Critical current measurnig method, system and the medium of superconductor |
| CN111707978A (en) * | 2020-07-09 | 2020-09-25 | 华中科技大学 | Quench detection method, device and equipment for superconducting magnet and storage medium |
| CN112285619A (en) * | 2020-10-28 | 2021-01-29 | 上海交通大学 | System and method for detecting loss of super magnetism of high-temperature superconducting cable |
| CN112904248A (en) * | 2021-01-22 | 2021-06-04 | 上海交通大学 | Quench detection device and quench detection method for uninsulated high-temperature superconducting coil |
| CN114137464A (en) * | 2021-11-15 | 2022-03-04 | 北京森社电子有限公司 | Zero setting system of Hall current sensor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426661A (en) * | 2019-08-13 | 2019-11-08 | 上海交通大学 | Critical current measurnig method, system and the medium of superconductor |
| CN111707978A (en) * | 2020-07-09 | 2020-09-25 | 华中科技大学 | Quench detection method, device and equipment for superconducting magnet and storage medium |
| CN111707978B (en) * | 2020-07-09 | 2021-09-10 | 华中科技大学 | Quench detection method, device and equipment for superconducting magnet and storage medium |
| CN112285619A (en) * | 2020-10-28 | 2021-01-29 | 上海交通大学 | System and method for detecting loss of super magnetism of high-temperature superconducting cable |
| CN112285619B (en) * | 2020-10-28 | 2022-03-01 | 上海交通大学 | System and method for detecting loss of super magnetism of high-temperature superconducting cable |
| CN112904248A (en) * | 2021-01-22 | 2021-06-04 | 上海交通大学 | Quench detection device and quench detection method for uninsulated high-temperature superconducting coil |
| CN114137464A (en) * | 2021-11-15 | 2022-03-04 | 北京森社电子有限公司 | Zero setting system of Hall current sensor |
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