CN104297704B - Resetting system and superconductive quantum interference sensor suitable for same - Google Patents
Resetting system and superconductive quantum interference sensor suitable for same Download PDFInfo
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- CN104297704B CN104297704B CN201310307102.3A CN201310307102A CN104297704B CN 104297704 B CN104297704 B CN 104297704B CN 201310307102 A CN201310307102 A CN 201310307102A CN 104297704 B CN104297704 B CN 104297704B
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Abstract
The invention provides a resetting system and a superconductive quantum interference sensor suitable for the same. The sensor comprises a first resetting circuit used for a resetting output end, a second resetting circuit used for a resetting feedback circuit, and a third resetting circuit used for a resetting integrating circuit. A time sequence control circuit of the sensor can be used to receive a resetting command, and under the control of the time sequence control circuit, the resetting of the second resetting circuit and the resetting of the third resetting circuit are not ealier than the resetting of the first resetting circuit. When the resetting command disappears, the ending of the resetting of the second resetting circuit and the ending of the resetting of the third resetting circuit are earlier than the ending of the resetting of the first resetting circuit. The system and sensor are advantageous in that the influence of the electric storage device of the sensor on the subordinate circuit connected with the output end and the influence between the circuits in the sensor can be effectively prevented during the resetting.
Description
Technical field
The present invention relates to a kind of reset system, more particularly to a kind of reset system and be suitable for superconductive quantum interference are passed
Sensor.
Background technology
Superconducting quantum interference device（Superconducting Quantum Interference Device, hereinafter referred to as
SQUID）For in the most sensitive Magnetic Sensor that is currently known, wherein low-temperature superconducting SQUID sensitivity flies spy, high temperature due to 10
Superconduction SQUID sensitivity flies spy due to 100.It is important high-end applications sensor, is widely used in biological magnetic, geophysics is visited
Survey, in extremely low field nuclear magnetic resonance apparatus equipment.
SQUID is nonlinear magnetic flux voltage conversion devices, needs by flux locked loop road to realize magnetic flux voltage
Linear transfor, flux locked loop route preamplifier, integrator, feedback resistance and feedback coil are constituted, and form a magnetic flux
Negative feedback closed loop, in the case of Closed loop operation, the voltage of feedback end is directly proportional to the magnetic flux that SQUID is detected, and uses the voltage
The magnetic flux signal that i.e. measurable SQUID is detected.
Due to SQUID transmission characteristics, the reading circuit of the SQUID of principle on flux locked loop road（Match somebody with somebody in sensor
Cover the circuit of the SQUID）In, comprising multiple operating points.Circuit at work, arrives with disturbing, it may occur that jump operating point
Jump, needs the reading circuit timely lock onto new operating point.In the course of time, operating point is jumped through several times, makes
The output for obtaining the reading circuit is close to spilling（More than+- 10V voltages）, and cannot steady operation.
Or, when SQUID is subject to Radio frequency interference, when causing the reading circuit to overflow, the reading circuit cannot be returned to
The state of normal work, causes circuit losing lock.
For situation above, the reading circuit needs mode manually or automatically reset.For this purpose, existing skill
The mode commonly used in art is to make reading circuit return to the shape of normal work by output zero is made to integrating capacitor repid discharge
State.However, as flux locked loop road is still in closed loop states, the pulse of integrating capacitor instantaneous discharge can be by feedback resistance and anti-
Feeder line circle is coupled to SQUID sensors, causes the transition effects such as loop output overshoot and vibration.Meanwhile, the overshoot of loop output
Or oscillating voltage, follow-up data collecting system on the one hand can be transferred to, impact number can be amplified by back end signal conditioning system
According to acquisition system.On the other hand, in multi-channel system, the pulse voltage is made to adjacent passages SQUID device by feedback circuit
Into crosstalk, cause more multichannel loss of lock.
In order to solve the above problems, those skilled in the art need to be improved existing reset circuit.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of reset system and be suitable for
Superconductive quantum interference sensor, for solve can be right during integrating capacitor of the reset circuit of the prior art in reseting sensor
The problem that the sensor internal and the subordinate's circuit being connected with the sensor are interfered.
For achieving the above object and other related purposes, the present invention provides a kind of reset system of superconductive quantum interference sensor
System, the superconductive quantum interference sensor include：Superconductive quantum interference sensor circuit, it is connected with the outfan of the sensor
Integrating circuit and the feedback circuit being connected with the superconductive quantum interference sensor circuit, wherein, the reset system is extremely
Include less：The first reset circuit being connected with the outfan of superconductive quantum interference sensor, for the outfan that resets；With institute
The second reset circuit that feedback circuit is connected is stated, for the feedback circuit that resets；The 3rd be connected with the integrating circuit is multiple
Position circuit, for the integrating circuit that resets；And with first reset circuit, the second reset circuit and the 3rd reset circuit
The sequential control circuit of connection, for when reset instruction is monitored, controlling second reset circuit and the 3rd reset circuit
Being no earlier than the first reset circuit carries out each Self-resetting, and when monitoring that the reset instruction disappears, controls described second multiple
Position circuit and the 3rd reset circuit terminate respective reset earlier than the first reset circuit；Wherein, the reset instruction is lasting
Duration is not less than duration needed for integrating circuit reset.
Preferably, the sequential control circuit is when reset instruction is received, at the same to first reset circuit, second
Reset circuit and the 3rd reset circuit send reset signal.
Preferably, first time delay of the sequential control circuit after reset signal is sent to first reset circuit
In limited time, then to second reset circuit and the 3rd reset circuit reset signal is sent, so that second reset circuit resets
The feedback circuit, the 3rd reset circuit reset integrating circuit, wherein, first delay period is not less than described
The reaction time limit of the first reset circuit.
Preferably, the sequential control circuit have two control signals outfan, wherein, an outfan with it is described
First reset circuit is connected, and another outfan is connected with second reset circuit and the 3rd reset circuit respectively.
Preferably, when the sequential control circuit monitors that received reset instruction disappears, while multiple to described second
Position circuit and the 3rd reset circuit send the signal for terminating that resets.
Preferably, after the sequential control circuit monitors the second delay period that received reset instruction disappears, to
First reset circuit sends the signal for terminating that resets, wherein, second delay period is tied not less than the feedback circuit
The time required to beam recovery after restoration is rebuild.
Preferably, first reset circuit, the second reset circuit and the 3rd reset circuit are controlled switch.
Based on above-mentioned purpose, the present invention also provides a kind of superconductive quantum interference sensor, and which at least includes：Superconducting Quantum is done
Relate to sensor circuit；The integrating circuit being connected with the outfan of the sensor；With the superconductive quantum interference sensor circuit
The feedback circuit being connected with the outfan of the sensor；As above arbitrary the first described reset circuit；As above it is arbitrary described
Second reset circuit；As above arbitrary the 3rd described reset circuit；And as above arbitrary described sequential control circuit.
Preferably, the superconductive quantum interference sensor circuit includes：Superconducting quantum interference device and with the superconduction amount
The preamplifier that sub- interfered device is connected.
Preferably, the feedback circuit includes：Feedback resistance and the feedback coil being connected with the feedback resistance, wherein,
The feedback coil is located at the superconductive quantum interference sensor circuit side.
Preferably, it is when first reset circuit, the second reset circuit and the 3rd reset circuit are controlled switch, described
First reset circuit is connected with the outfan, and second reset circuit is connected with the feedback circuit, and the described 3rd
Reset circuit is in parallel with the integrating circuit.
As described above, the reset system of the present invention and be suitable for superconductive quantum interference sensor, with following beneficial effect
Really：Multiple reduction points in the sensor are resetted according to sequential, reset initial stage, the sensor can be prevented effectively from
Impact when the storing up electricity devices such as internal electric capacity, inductance discharge pair the subordinate's circuit being connected with outfan；Additionally, the system that resets
System by sequential control circuit according to the work of default timing recovery sensor, can be prevented effectively from described at the end of reset
Sensor at the initial stage of resuming work, to the sensor internal circuit when being charged by storing up electricity devices such as its internal electric capacity, inductance
Between interfere.
Description of the drawings
Fig. 1 be shown as the present invention not shown reset system when superconductive quantum interference sensor structural representation.
A kind of preferred version of superconductive quantum interference sensor when Fig. 2 is shown as the not shown reset system of the present invention
Structural representation.
Fig. 3 is shown as the structural representation of the superconductive quantum interference sensor with reset system of the present invention.
Fig. 4 is shown as a kind of structure of preferred version of the superconductive quantum interference sensor with reset system of the present invention
Schematic diagram.
Fig. 5 is shown as the waveform diagram of reset signal sent by sequential control circuit in the reset system of the present invention.
Component label instructions
1 superconductive quantum interference sensor
11 superconductive quantum interference sensor circuits
12 integrating circuit
13 feedback circuits
14 first reset circuits
15 second reset circuits
16 the 3rd reset circuits
17 sequential control circuits
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate description to be taken off
The content shown, so that those skilled in the art understands and reads, is not limited to enforceable qualificationss of the invention, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not affecting the present invention
Under the effect that can be generated and the purpose that can be reached, all should still fall and the model that can cover is obtained in disclosed technology contents
In enclosing.
The present invention provides a kind of superconductive quantum interference sensor with reset system.The reset system and the superconduction
Circuit in quantum interference sensor is connected, and the superconductive quantum interference sensor can be resetted.
Wherein, as shown in figure 1, the superconductive quantum interference sensor 1 includes：Superconductive quantum interference sensor circuit 11,
The integrating circuit 12 that is connected with the outfan of the sensor 1, and with the superconductive quantum interference sensor circuit 11 and institute
State the feedback circuit 13 that the outfan of sensor 1 is connected.
The superconductive quantum interference sensor circuit 11 is used for based superconductive quantum interference technology, by institute under superconduction environment
The magnetic signal for detecting is converted to the signal of telecommunication, and is exported.Wherein, the superconductive quantum interference sensor circuit 11 can be wrapped
Include：Superconducting quantum interference device.Preferably, the superconductive quantum interference sensor circuit 11 also includes：With the Superconducting Quantum
The preamplifier that interfered device is connected.The superconductive quantum interference sensor circuit 11 can be soaked and hold liquid nitrogen or liquid helium
Container in, it is also possible to only the superconducting quantum interference device in the superconductive quantum interference sensor circuit 11 is soaked described
In container.
The integrating circuit 12 is for entering traveling wave by the signal of telecommunication exported by the superconductive quantum interference sensor circuit 11
Shape optimizes.Wherein, the integrating circuit 12 includes electric capacity.
The feedback circuit 13 adjusts the superconduction for the signal of telecommunication that exported based on the outfan of the sensor 1
The signal of telecommunication exported by quantum interference sensor circuit 11.Which includes：Feedback resistance and the feedback being connected with the feedback resistance
Coil.
As shown in Fig. 2 the circuit structure of the superconductive quantum interference sensor 1 is exemplified below：
The superconducting quantum interference device connects preamplifier, the preamplifier and integrating circuit 12, outfan
Series connection, the outfan are also connected with the resistance in feedback circuit 13, and the resistance is connected with feedback coil, wherein, it is described anti-
Feeder line circle is located at superconducting quantum interference device side.
As shown in figure 3, the reset system in the superconductive quantum interference sensor 1 includes：First reset circuit 14, second
Reset circuit 15, the 3rd reset circuit 16 and sequential control circuit 17.
First reset circuit 14 is connected with the outfan of superconductive quantum interference sensor 1, for the output that resets
End.Wherein, according to the circuit structure of above-mentioned preferred superconductive quantum interference sensor 1, first reset circuit 14 can be
Controlled switch.Specifically, the first reset circuit 14 is connected with institute's outfan, and in 1 normal work of sensor at
In closure state.
Second reset circuit 15 is connected with the feedback circuit 13, for the feedback circuit 13 that resets.Wherein, press
According to the circuit structure of above-mentioned preferred superconductive quantum interference sensor 1, second reset circuit 15 can be controlled switch.Its
In, second reset circuit 15 is may be located between the resistance of outfan and feedback circuit 13 of the sensor 1, it is also possible to
Inside the feedback circuit 13.For example, second reset circuit 15 is located at the resistance and feedback of the feedback circuit 13
Between coil.Second reset circuit 15 is in closure state in 1 normal work of sensor.
3rd reset circuit 16 is connected with the integrating circuit 12, for the integrating circuit 12 that resets.Wherein, press
According to the circuit structure of above-mentioned preferred superconductive quantum interference sensor 1, the 3rd reset circuit 16 can be controlled switch.
Specifically, the 3rd reset circuit 16 is used for the electric capacity resetted in the integrating circuit 12.Described 3rd resets
Circuit 16 is in parallel with the integrating circuit 12, and is off in 1 normal work of sensor.
The sequential control circuit 17 and first reset circuit 14, the second reset circuit 15 and the 3rd reset circuit 16
It is connected, for when reset instruction is monitored, control second reset circuit 15 and the 3rd reset circuit 16 are no earlier than first
Reset circuit 14 carries out each Self-resetting；Wherein, the lasting duration of the reset instruction is not less than the integrating circuit reset institute
Take length.
Wherein, the sequential control circuit 17 can be digital circuit, or analog circuit.The reset instruction institute
The time span of maintenance should be more than the time of electric capacity electric discharge in the integrating circuit 12 and timing intervals time sum.When described
The reset instruction received by sequence control circuit 17 is not pulse command, but the reset instruction comprising duration information, wherein described
Reset instruction can be the digital signal comprising duration information, or the high level/low level for maintaining reset duration.
Specifically, the sequential control circuit 17 is also connected with outside processor, when the processor is to the sequential
During the output reset instruction of control circuit 17, the sequential control circuit 17 resets to first reset circuit 14, second simultaneously
Circuit 15 and the 3rd reset circuit 16 send reset signal, then first reset circuit 14, the second reset circuit 15 and the 3rd
Reset circuit 16 changes the state of itself when reset signal is received, so that the circuit reset for each being connected.
Preferably, the sequential control circuit 17 is when reset instruction is received, first to first reset circuit 14
Go out reset signal, so that first reset circuit 14 resets the outfan.
Specifically, the sequential control circuit 17 is when reset instruction is received, first to first reset circuit 14
Go out reset signal, first reset circuit 14 switchs to disconnect from closure based on received reset signal so that the biography
The output end voltage of sensor 1 is no-voltage；Then, reset signal is sent to the second reset circuit 15 after a default time delay, then
Second reset circuit 15 switchs to disconnect from closure so that the feedback coil in the feedback circuit 13 is discharged through vibration
The electric energy for being stored, and no-voltage is reset to, then, reset letter is sent to the 3rd reset circuit 16 after another default time delay
Number, then the 3rd reset circuit 16 switchs to closure from disconnection so that the electric capacity in the integrating circuit 12 is through vibration release
Fall stored electric energy, and be reset to no-voltage.Wherein, the sequential control circuit 17 can have the defeated of three control signals
Go out end, reset signal is sent to first reset circuit 14, the second reset circuit 15 and the 3rd reset circuit 16 respectively.
Preferably, the sequential control circuit 17 after reset signal is sent to first reset circuit 14 first prolongs
Period prescribes a time limit, then sends reset signal to second reset circuit 15 and the 3rd reset circuit 16, for the described second reset
The reset feedback circuit 13, the 3rd reset circuit 16 of circuit 15 resets the integrating circuit 12, wherein, described first prolongs
When the time limit not less than first reset circuit the reaction time limit.
Wherein, the sequential control circuit 17 can have the outfan of three control signals.Preferably, the sequential control
Circuit processed 17 has the outfan of two control signals, and one of outfan is connected with first reset circuit 14, another
Individual outfan is connected with second reset circuit 15 and the 3rd reset circuit 16 respectively, then second reset circuit 15 is based on
The reset signal for being received by closure switch to disconnect, the 3rd reset circuit 16 based on the reset signal for being received by disconnect turn
For closure.Wherein, first delay period need to guarantee that first reset circuit 14 can switch to disconnect from closure.
For example, as shown in Figure 4,5, the sequential control circuit 17 from RO2 interfaces to first reset circuit 14
Go out the time delay td1 times after reset signal（First delay period）, then it is simultaneously multiple to the second reset circuit 15 and the 3rd from RO1 interfaces
Position circuit 16 sends reset signal, then second reset circuit 15 disconnects feedback according to the reset signal sent by interface RO2
Circuit 13, the feedback coil in the feedback circuit 13 gradually bleed off the electric energy for itself being stored, the 3rd reset circuit 16
The electric capacity in the integrating circuit 12, the electric capacity in the integrating circuit 12 are turned on according to the reset signal sent by interface RO2
Stored electric energy is gradually bled off by the 3rd reset circuit 16 for turning on.
In addition, when the sequential control circuit 17 monitors that received reset instruction disappears, controlling described second multiple
Position circuit 15 and the 3rd reset circuit 16 terminate respective reset earlier than the first reset circuit 14.
Specifically, when the reset instruction disappears, the sequential control circuit 17 is according to default sequential to described
Two reset circuits 15 and the 3rd reset circuit 16 send the signal for terminating that resets, then, then to first reset circuit 14
Go out the signal for terminating that resets.
For example, the sequential control circuit 17 is reduced to low level by the high level that resets monitoring received reset instruction
When, determine that the reset instruction disappears, then reset according to default second reset circuit 15, the 3rd reset circuit 16, first electric
The reset end order on road 14, sends reset to the second reset circuit 15, the 3rd reset circuit 16, the first reset circuit 14 successively
The signal of end, then second reset circuit 15, the 3rd reset circuit 16, and the first reset circuit 14 recover reset before shape
State, so that each corresponding outfan, feedback circuit 13 and integrating circuit 12 terminate to reset.
Preferably, when the sequential control circuit 17 monitors that received reset instruction disappears, while to described second
Reset circuit 15 and the 3rd reset circuit 16 send the signal for terminating that resets, so that second reset circuit 15 and the 3rd resets
Circuit 16 terminates to reset.
For example, as shown in Figure 4,5, when the sequential control circuit 17 monitors that received reset instruction disappears, according to
Default sequential first passes through RO2 interfaces and sends the letter for terminating that resets to second reset circuit 15 and the 3rd reset circuit 16
Number, wherein, second reset circuit 15 switchs to closure by disconnection according to received reset end signal, and the described 3rd is multiple
Position circuit 16 is switched to disconnect by closure according to received reset end signal, and then, the sequential control circuit 17 leads to again
Crossing RO1 interfaces and reset end signal being sent to first reset circuit 14, first reset circuit 14 is according to received
Reset end signal by disconnection switch to closure.
It is further preferable that the second time delay when the sequential control circuit 17 monitors that received reset instruction disappears
After limit, the signal for terminating that resets is sent to first reset circuit 14, so that first reset circuit 14 terminates to reset.Its
In, second delay period terminates recovery after restoration not less than the feedback circuit and rebuilds required time.
For example, as shown in figure 5, when the sequential supervisory circuit monitors that received reset instruction disappears, to described the
Two reset circuits 15 and the 3rd reset circuit 16 send the signal for terminating that resets, and the td2 after reset end signal is sent
Delay period（Second delay period）When, send reset end signal to first reset circuit 14, then the sensor 1
Outfan starts normally to export the signal of telecommunication changed by the sensor circuit 11.
The reseting procedure of the superconductive quantum interference sensor 1 with the reset system is exemplified below：
When sequential control circuit 17 in the sensor 1 receives reset instruction, first to the output with the sensor 1
First reset circuit 14 of end series connection sends reset signal, then first reset circuit 14 disconnects electricity inside the sensor 1
The connection of road and the outfan so that the outfan does not export the signal of telecommunication；At the same time, the sequential control circuit 17 exists
Start the timing td1 times after sending the reset signal（First delay period）, and after the td1 times reach, while multiple to second
Position circuit 15 and the 3rd reset circuit 16 send reset signal, and second reset circuit 15 disconnects anti-in the sensor 1
Current feed circuit 13 so that the feedback coil in the feedback circuit 13 gradually discharges, biography described in 16 short circuit of the 3rd reset circuit
Electric capacity in sensor 1 in integrating circuit 12 so that the electric capacity electric discharge.
Superconductive quantum interference sensor 1 with the reset system is lifted from the process that reseting procedure returns to normal work
Under for example：
When reset instruction received by sequential control circuit 17 in the sensor 1 disappears, first simultaneously to described the
Two reset circuits 15 and the 3rd reset circuit 16 send the signal for terminating that resets, and second reset circuit 15 closes the sensing
Feedback circuit 13 in device 1 so that the feedback coil restoration and reconstruction in the feedback circuit 13, the 3rd reset circuit 16 break
Open, the electric capacity in the integrating circuit 12 is resumed work；The sequential control circuit 17 is after the signal that the reset terminates is sent
Start the timing td2 times（Second delay period）, and after the td2 times reach, reset is sent to first reset circuit 14
End signal, then first reset circuit 14 by disconnection switch to closure, then the outfan of the sensor 1 will export the biography
The signal of telecommunication changed by sensor circuit 11.
In sum, reset system of the invention and be suitable for superconductive quantum interference sensor, by the sensor
Multiple reduction points resetted according to sequential, the reset initial stage can be prevented effectively from, the electric capacity of the sensor internal, inductance etc.
Impact when storing up electricity device discharges pair the subordinate's circuit being connected with outfan；Wherein, the outfan of sensor is first made to reset, even if
The outfan exports 0 voltage, can avoid impact of the sensor to subordinate's circuit during resetting, while the feedback that resets
Circuit and integrating circuit, can both effectively prevent vibration produced when the electric capacity in integrating circuit discharges to feedback circuit
Affect, interference when being avoided that the electric capacity discharges again to the sensor circuit, moreover it is possible to effectively shorten resetting time；
Additionally, the reset system is at the end of reset, by sequential control circuit according to default timing recovery sensor
Work, the sensor can be prevented effectively from the initial stage of resuming work, charged by storing up electricity devices such as its internal electric capacity, inductance
When to interfering between the sensor internal circuit；In addition, first recover feedback circuit and integrating circuit, and it is extensive having reserved
After the multiple required time, then make the outfan output signal of telecommunication, additionally it is possible to be prevented effectively under being connected to the outfan
The impact of level circuit.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle and its effect of above-described embodiment only illustrative present invention, it is of the invention not for limiting.It is any ripe
The personage for knowing this technology all can carry out modifications and changes to above-described embodiment under the spirit and the scope without prejudice to the present invention.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (11)
1. a kind of reset system of superconductive quantum interference sensor, the superconductive quantum interference sensor include：Superconducting Quantum is done
Relate to sensor circuit, the integrating circuit being connected with the outfan of the sensor and with the superconductive quantum interference sensor
The feedback circuit that circuit is connected, it is characterised in that the reset system at least includes：
The first reset circuit being connected with the outfan of superconductive quantum interference sensor, for the outfan that resets；
The second reset circuit being connected with the feedback circuit, for the feedback circuit that resets；
The 3rd reset circuit being connected with the integrating circuit, for the integrating circuit that resets；And
The sequential control circuit being connected with first reset circuit, the second reset circuit and the 3rd reset circuit, in prison
When measuring reset instruction, control second reset circuit and the 3rd reset circuit is no earlier than the first reset circuit and carries out each runback
Position, and when monitoring that the reset instruction disappears, second reset circuit and the 3rd reset circuit are controlled earlier than first
Reset circuit terminates respective reset；Wherein, the lasting duration of the reset instruction is not less than the integrating circuit reset institute
Take length.
2. the reset system of superconductive quantum interference sensor according to claim 1, it is characterised in that the sequencing contro
Circuit is when reset instruction is received, while sending to first reset circuit, the second reset circuit and the 3rd reset circuit
Reset signal.
3. the reset system of superconductive quantum interference sensor according to claim 1, it is characterised in that the sequencing contro
During first delay period of the circuit after reset signal is sent to first reset circuit, then to second reset circuit and
3rd reset circuit sends reset signal, for second reset circuit reset feedback circuit, the 3rd reset electricity
The road reset integrating circuit, wherein, reaction time limit of first delay period not less than first reset circuit.
4. the reset system of superconductive quantum interference sensor according to claim 2, it is characterised in that the sequencing contro
Circuit has the outfan of two control signals, wherein, an outfan is connected with first reset circuit, another output
End is connected with second reset circuit and the 3rd reset circuit respectively.
5. the reset system of superconductive quantum interference sensor according to claim 1, it is characterised in that the sequencing contro
When circuit monitoring is to the reset instruction disappearance for being received, while sending reset to second reset circuit and the 3rd reset circuit
The signal of end.
6. the reset system of superconductive quantum interference sensor according to claim 1 or 5, it is characterised in that the sequential
After control circuit monitors the second delay period that received reset instruction disappears, reset is sent to first reset circuit
The signal of end, wherein, second delay period terminates recovery after restoration not less than the feedback circuit and rebuilds required time.
7. the reset system of superconductive quantum interference sensor according to claim 1, it is characterised in that described first resets
Circuit, the second reset circuit and the 3rd reset circuit are controlled switch.
8. a kind of superconductive quantum interference sensor, it is characterised in that at least include：
Superconductive quantum interference sensor circuit；
The integrating circuit being connected with the outfan of the sensor；
The feedback circuit being connected with the outfan of the superconductive quantum interference sensor circuit and the sensor；
The first reset circuit as described in arbitrary in claim 1-7；
The second reset circuit as described in arbitrary in claim 1-7；
The 3rd reset circuit as described in arbitrary in claim 1-7；And
Sequential control circuit as described in arbitrary in claim 1-7.
9. superconductive quantum interference sensor according to claim 8, it is characterised in that the superconductive quantum interference sensor
Circuit includes：Superconducting quantum interference device and the preamplifier being connected with the superconducting quantum interference device.
10. superconductive quantum interference sensor according to claim 8, it is characterised in that the feedback circuit includes：Feedback
Resistance and the feedback coil being connected with the feedback resistance, wherein, the feedback coil is sensed positioned at the superconductive quantum interference
Device circuit side.
11. superconductive quantum interference sensors according to claim 8, it is characterised in that first reset circuit, second
When reset circuit and the 3rd reset circuit are controlled switch, first reset circuit is connected with the outfan, and described
Two reset circuits are connected with the feedback circuit, and the 3rd reset circuit is in parallel with the integrating circuit.
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| CN104808156B (en) * | 2015-05-05 | 2018-02-13 | 中国科学院上海微系统与信息技术研究所 | SQUID Magnetic Sensors and best operating point locking means |
| CN108846483B (en) * | 2018-06-21 | 2023-04-14 | 广西师范大学 | Design method of modulo-N subtracter without destroying source operand |
| CN113326944B (en) * | 2021-01-27 | 2022-03-25 | 腾讯科技（深圳）有限公司 | Quantum circuit and quantum processor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2727845Y (en) * | 2004-07-28 | 2005-09-21 | 中国科学院物理研究所 | USB interface based plane-position control and data acquisition unit |
| WO2005119283A1 (en) * | 2004-06-03 | 2005-12-15 | Japan Science And Technology Agency | Hysteresis characteristic type digital fll apparatus using squid counter system |
| CN203376463U (en) * | 2013-07-19 | 2014-01-01 | 中国科学院上海微系统与信息技术研究所 | Resetting system and superconductive quantum interference sensor suitable for the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101092490B1 (en) * | 2009-11-26 | 2011-12-13 | 한국표준과학연구원 | Flux-Locked Loop Circuit, Flux-Locked Loop Method, and SQUID Measuring Apparatus |
-
2013
- 2013-07-19 CN CN201310307102.3A patent/CN104297704B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005119283A1 (en) * | 2004-06-03 | 2005-12-15 | Japan Science And Technology Agency | Hysteresis characteristic type digital fll apparatus using squid counter system |
| CN2727845Y (en) * | 2004-07-28 | 2005-09-21 | 中国科学院物理研究所 | USB interface based plane-position control and data acquisition unit |
| CN203376463U (en) * | 2013-07-19 | 2014-01-01 | 中国科学院上海微系统与信息技术研究所 | Resetting system and superconductive quantum interference sensor suitable for the same |
Non-Patent Citations (1)
| Title |
|---|
| 基于低温超导量子干涉器件的脑听觉激励磁场探测;张树林 等;《物理学报》;20121231;第61卷(第2期);第020701-1至020701-5页 * |
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