CN108279438A - Special caesium optical pumping detector towards waters day something lost chemical weapons - Google Patents
Special caesium optical pumping detector towards waters day something lost chemical weapons Download PDFInfo
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- CN108279438A CN108279438A CN201711483124.XA CN201711483124A CN108279438A CN 108279438 A CN108279438 A CN 108279438A CN 201711483124 A CN201711483124 A CN 201711483124A CN 108279438 A CN108279438 A CN 108279438A
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/083—Controlled source electromagnetic [CSEM] surveying
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The invention discloses a kind of special caesium optical pumping detectors towards waters day something lost chemical weapons.The special caesium optical pumping detector towards waters day something lost chemical weapons, including detector.The detector includes pumping light generation module, the first optical module, magnetic resonance module, Photoelectric Detection module, signal processing module, terminal control module, at least two data storage modules, at least one redundant storage module.The terminal control module is connect with the pumping light generation module, the magnetic resonance module, the Photoelectric Detection module, the signal processing module, the redundant storage module, the data storage module respectively.The redundant storage module and the data storage module ensure that continuity and the safety of Magnetic Field storage, improve the working efficiency of the special caesium optical pumping detector towards waters day something lost chemical weapons.
Description
Technical field
The present invention relates to field of detecting, more particularly to a kind of special caesium optical pumping detector towards waters day something lost chemical weapons.
Background technology
During the Second World War, Japan has abandoned a large amount of chemical weapons (hereinafter referred to as " day loses chemical weapons ") on China territory, goes through
History data shows that Japan once used chemical weapons in provinces, cities and autonomous regions of 19, China, with movable increase is produced, day loses chemical weapons
It was found that the quantity of point also can accordingly increase.At present in the Heilungkiang of China, Jilin, Liaoning, Inner Mongol, Shanxi, Hebei, Beijing, day
More than 100 a place of 17 provinces and cities such as Tianjin, Anhui, Jiangsu, Zhejiang, Jiangxi, Henan, Hubei, Hunan, Guangdong, Guangxi has been found that
Day something lost chemical weapons.Day something lost chemical weapons are not only widely distributed, large number of, but also it is different to bury a situation, residential block, forest zone, field, tunnel
Have been found that day loses chemical weapons in road, rivers.Day something lost chemical weapons have the characteristics that small, quality is few again.So losing chemical weapons detection day
Situation is complicated, difficult.Chemical weapons are lost thoroughly to destroy day, purify territory, environmental protection is safeguarded China's citizen's personal safety, provided
It is very necessary that safe and accurate, reliable, efficient day loses chemical weapons Detection Techniques.
Day something lost chemical weapons have ferrous metal shell, are ferromagnetic objects, are magnetized under the action of earth's magnetic field, regional area
Interior generation magnetic anomaly, is observed with magnetometer, can find the range and strength conditions of magnetic anomaly, by observation data
Inversion interpretation, you can speculate that obtaining day loses the parameters such as embedding location, the size of chemical weapons.However, by burial for many years, day something lostization
Military often corrosion is serious, and shell is no longer using iron as main matter instead iron oxide and ferroso-ferric oxide.And water
Lower environment is increasingly complex compared to terrestrial environment, and underwater visibility, electromagnetic attenuation, flow, pressure difference four elements determine underwater work
It is big to make difficulty.And waters day something lost chemical weapons detection monitoring works job requirements data storage device persistently stores online, and data are deposited
Storage equipment is constantly in working condition, and redundance unit must be implemented in line transcription.And waters day loses compound and is distributed wide, quantity
More, underwater environment is more complicated, therefore Data Holding Equipment is easily damaged, and storage volume is limited, this all affects detection
Efficiency.
Invention content
Based on this, it is necessary to it is limited for traditional detection device storage volume, it is easily damaged and influences working efficiency
Problem provides a kind of special caesium optical pumping detector towards waters day something lost chemical weapons.
A kind of special caesium optical pumping detector towards waters day something lost chemical weapons, including detector, the detector include：
Pumping light generation module, for exporting near infrared light；
First optical module, for the near infrared light to be converted to circularly polarized light；
Magnetic resonance module, for generating RF magnetic field, including caesium simple substance, the magnetic resonance module be used for tested magnetic field,
Under the collective effect of the RF magnetic field and the circularly polarized light, the caesium simple substance is set to generate optical magnetic resonance close red to export modulation
External signal；
Photoelectric Detection module to receive the modulation near infrared signal, and the modulation near infrared signal is converted into
Electric signal；
Signal processing module is electrically connected with the Photoelectric Detection module, described tested to be calculated by the electric signal
The intensity in magnetic field；
Terminal control module, respectively with magnetic resonance module, the Photoelectric Detection module described in the pumping light generation module,
The signal processing module connection；
At least two data storage modules are connect with the terminal control module, to store the identical tested magnetic
The intensity data of field；
At least one redundant storage module, connect with the terminal control module.
Further include redundant power module, the redundant power module and the terminal control in one of the embodiments,
Module connects.
Further include seal casinghousing in one of the embodiments, the seal casinghousing includes internal layer shell and outer casing,
The internal layer shell is set in the outer casing, and thermal insulation layer is provided between the internal layer shell and the outer casing,
The detector is set in the internal layer shell.
The magnetic resonance module in one of the embodiments, including：
Radio-frequency coil, for generating the RF magnetic field；
Caesium absorption chamber, for accommodating the caesium simple substance.
Further include temperature control modules in one of the embodiments, is electrically connected with the magnetic resonance module, for controlling
The caesium absorbs indoor temperature.
The temperature control modules further include fuzzy controller in one of the embodiments,.
Further include the second optical module in one of the embodiments, second optical module is set to the caesium and inhales
It receives between room and the Photoelectric Detection module, the modulation near infrared signal is focused on the Photoelectric Detection module.
Further include pose compensation module in one of the embodiments, the pose compensation module is total relative to the magnetic
Module of shaking is fixedly installed, for monitoring the circularly polarized light exported from first optical module and the tested magnetic field magnetic force
The angle of line.
The signal processing module further includes sequentially connected amplification filter unit, self-excitation in one of the embodiments,
Oscillating unit, magnetic resonance frequency measuring unit, computing unit.
The Photoelectric Detection module includes sequentially connected photodiode and opto-electronic conversion in one of the embodiments,
Circuit.
The special caesium optical pumping detector towards waters day something lost chemical weapons provided by the invention is stored up including at least two data
Storing module and at least one redundant storage module.When some described data storage module is damaged, the terminal control module
The redundant storage module is controlled to continue to store Magnetic Field.The magnetic that not impaired data storage module will store simultaneously
Information copy is to the redundant storage module.Continuity and the safety that ensure that Magnetic Field storage, improve the face
To the working efficiency of the special caesium optical pumping detector of waters day something lost chemical weapons.
Description of the drawings
Fig. 1 is the structure chart of detector provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the special caesium optical pumping detector provided in an embodiment of the present invention towards waters day something lost chemical weapons；
Fig. 3 is fuzzy controller schematic diagram provided in an embodiment of the present invention.
Main element symbol description
Special caesium optical pumping detector 10 towards waters day something lost chemical weapons
Detector 20
Pumping light generation module 110
First optical module 120
First lens 121
First optical filter 122
Linear polarizer 123
1/4 slide 124
Magnetic resonance module 130
Radio-frequency coil 131
Caesium absorption chamber 132
Heating device 133
Photoelectric Detection module 140
Photodiode 141
Photoelectric switching circuit 142
Signal processing module 150
Amplify filter unit 151
Computing unit 152
Self-oscillation unit 153
Temperature control modules 160
Fuzzy controller 161
Second optical module 170
Second lens 171
Second optical filter 172
Pose compensation module 180
Terminal control module 190
Seal casinghousing 230
Internal layer shell 210
Outside shell 220
Thermal insulation layer 240
Data storage module 300
Redundant storage module 310
Specific implementation mode
In order to make goal of the invention, technical solution and the technique effect of the present invention be more clearly understood, below in conjunction with attached drawing pair
Specific embodiments of the present invention are described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
Fig. 1 is referred to, the embodiment of the present invention provides a kind of special caesium optical pumping detector towards waters day something lost chemical weapons
10.The special caesium optical pumping detector 10 towards waters day something lost chemical weapons includes pumping light generation module 110, the first optical module
120, magnetic resonance module 130, Photoelectric Detection module 140, signal processing module 150, terminal control module 190, at least two count
According to storage module 300, at least one redundant storage module 310.The pumping light generation module 110 is for exporting near infrared light.
First optical module 120 is used to the near infrared light being converted to circularly polarized light.The magnetic resonance module 130 is for generating
RF magnetic field, including caesium simple substance.The magnetic resonance module 130 is used in tested magnetic field, RF magnetic field and the circularly polarized light
Under collective effect, the caesium simple substance is made to generate optical magnetic resonance to export modulation near infrared signal.The Photoelectric Detection module 140 is used
To receive the modulation near infrared signal, and the modulation near infrared signal is converted into electric signal.The signal processing module
150 are electrically connected with the Photoelectric Detection module 140, to calculate the intensity in the tested magnetic field by the electric signal.It is described
Terminal control module 190 respectively with the pumping light generation module 110, the magnetic resonance module 130, the Photoelectric Detection module
140, the signal processing module 150, data storage module 300, redundant storage module 310 connect.
The terminal control module 190 can be STM32 chips.The terminal control module 190 can control the pumping
Fortune photogenerated module 110 sends out near infrared light.The terminal control module 190 can also control Photoelectric Detection module 140, signal
Processing module 150 works, and the intensity in final tested magnetic field is shown by display device.The data storage module 300
It is connect with the terminal control module 190.At least two data storage module 300 is storing the identical tested magnetic
The intensity data of field.At least one redundant storage module 310 is connect with the terminal control module 190.In the detection
When device 20 works, the terminal control module 190 persistently obtains Magnetic Field online, and identical Magnetic Field is stored in respectively
At least two data storage module 300.Storage stores identical magnetic field letter in i.e. each data storage module 300
Breath.When some described data storage module 300 is damaged, the terminal control module 190 closes impaired data immediately
Storage module 300, and open the redundant storage module 310 simultaneously and continue to store Magnetic Field.Not impaired data simultaneously
The identical Magnetic Field stored is copied to the redundant storage module 310 by storage module 300.The data storage mould
Block 300 can be provided with indicator light, to show whether the data storage module 300 damages and working condition.
The special caesium optical pumping detector 10 towards waters day something lost chemical weapons provided in an embodiment of the present invention includes at least two
A data storage module 300 and at least one redundant storage module 310.When some described data storage module 300 is damaged,
The redundant storage module 310 that the terminal control module 190 controls continues to store Magnetic Field.Not impaired data simultaneously
The Magnetic Field stored is copied to the redundant storage module 310 by storage module 300.It ensure that Magnetic Field storage
Continuity and safety improve the working efficiency of the special caesium optical pumping detector 10 towards waters day something lost chemical weapons.
Fig. 2 is referred to, in one of the embodiments, the special caesium optical pumping detector 10 towards waters day something lost chemical weapons
It further include redundant power module 320.The redundant power module 320 is connect with the port control modules.The redundant power
Module 320 can exhaust subsequent continue for the power supply of the detector 20 in the normal power supplies electric energy of the detector 20.It is described towards
The special caesium optical pumping detector 10 of waters day something lost chemical weapons further includes seal casinghousing 230.The seal casinghousing 230 includes internal layer shell
210 and outer casing 220.The internal layer shell 210 is set in the outer casing 220.The internal layer shell 210 and described
Thermal insulation layer 240 is provided between outer casing 220.The detector 20 and the redundant power module 320 can be set to institute
It states in internal layer shell 210.It can be sealed by O-ring seal between the internal layer shell 210 and the outer casing 220.Institute
It can be heat insulation felt or vacuum insulation panel to state thermal insulation layer 240.Heat insulation felt or vacuum insulation panel have heat preservation, sound insulation, vibration damping
Effect.The thermal insulation layer 240 can improve the efficiency of heating surface of heating device, reduce heating time, and thermal insulation layer sound insulation, vibration damping are made
With the interference for reducing waters external environment flow water speed.It can be coated with anticorrosive coating outside the outer casing 220.
The pumping light generation module 110 may include semiconductor laser.The semiconductor laser can generate wave
The near infrared light of a length of 894nm.First optical module 120 may include that the first lens 121, first set gradually filter
Piece 122, linear polarizer 123,1/4 slide 124.The near infrared light generated from the pumping light generation module 110 can lead to
It crosses first lens 121 and sequentially passes through first optical filter 122, linear polarizer 123,1/4 slide 124.Wherein, described
One optical filter 122 can filter stray light.The near infrared light can be expanded generation directional light by first lens 121.Institute
It states directional light and linearly polarized light is generated by the linear polarizer 123.The linearly polarized light is raw after by 1/4 slide 124
At circularly polarized light.Then the circularly polarized light is injected in the caesium absorption chamber 132.
The magnetic resonance module 130 includes radio-frequency coil 131, caesium absorption chamber 132 in one of the embodiments,.It is described
Radio-frequency coil 131 is for generating the RF magnetic field.The caesium absorption chamber 132 is for accommodating the caesium simple substance.Use the face
To waters day something lost chemical weapons special caesium optical pumping detector 10 when, by the special caesium optical pumping detector towards waters day something lost chemical weapons
10 are placed in the environment in magnetic field to be measured.After the circularly polarized light injects caesium absorption chamber 132, the radio-frequency coil is adjusted
The frequency of 131 RF magnetic field so that Cs atom occurs under the collective effect of the RF magnetic field of tested magnetic field B and specific frequency
Optical magnetic resonance phenomenon, from the caesium absorption chamber 132 can export optical magnetic resonance after modulation near infrared signal.
In the caesium absorption chamber 132, optical magnetic resonance is generated to export modulation near infrared signal by the caesium simple substance, and
Input the Photoelectric Detection module 140.The modulation near infrared signal is converted to electric signal in the Photoelectric Detection module 140
After input the signal processing module 150.When optical magnetic resonance occurs for Cs atom, the frequency of the RF magnetic field is equal to Cs atom
Jump frequency f of the electron transition in low-lying level shell to a certain high level shell.The jump frequency and magnetic field intensity B at
Direct ratio, B=(2 π/γ) f.Wherein, γ is Cs atom gyromagnetic ratio, is a constant.In the signal processing module 150, to institute
It states electric signal to be handled, the intensity B in the tested magnetic field can be obtained by the formula B=(2 π/γ) f.
The special caesium optical pumping detector 10 towards waters day something lost chemical weapons further includes temperature in one of the embodiments,
Control module 160.The temperature control modules 160 are electrically connected with the magnetic resonance module 130, for controlling the caesium absorption chamber
Temperature in 132.In order to form optical pumping effect in caesium absorption chamber 132, need to make at the caesium simple substance in caesium absorption chamber 132
In steam condition (cesium element can become steam at 43 DEG C or so), caesium gas chamber temperature is constant optimal at 50 DEG C.Pass through the temperature
Degree control module 160 controls the temperature in caesium absorption chamber 132 described in the magnetic resonance module 130 in a certain range, to protect
Demonstrate,prove the precision measured.
Can also include in one of the embodiments, heating device 133 in the magnetic resonance module.The temperature control
Module 160 can be by controlling the temperature of the Cs atom in caesium absorption chamber 132 described in the heating and temperature control of the heating device 133
Degree.The heating device 133 can be heating coil.
Fig. 3 is referred to, the temperature control modules 160 further include fuzzy controller in one of the embodiments,
161.The temperature control modules 160 may include 133 control circuit of heating device and Ptl000 temperature sensing circuits.Due to day
Lose and interference be not present all the time during chemical weapons exploration, for exclusive PCR, can be controlled by fuzzy algorithmic approach it is non-linear, when
The objects such as change, lag.The fuzzy controller 161 can be realized by fuzzy control to the fuzzy controller 161
Three parameters：It is corrected on the line of Proportional coefficient K p, integration time constant Ki and derivative time constant Kd.Use the temperature control
When molding block 160, the temperature of caesium gas chamber actual temperature and set temperature that the Ptl000 temperature sensing circuits are detected is inclined
Poor e and deviation variation rate ec carries out Fuzzy processing as 161 input varible of the fuzzy controller.Then, fuzzy
Change in processing procedure, deviation e to blurring and deviation variation rate ec carry out fuzzy logic decision, using Fuzzy Logic Reasoning Algorithm and
Defuzzification method carries out information processing, finally exports three input varible Δ Kp, Δ Ki of the fuzzy controller 161
With Δ Kd, controlled on line of going forward side by side.By being adjusted on line, to meet in different moments e and ec to the fuzzy controller
The Self-tuning System requirement of parameter.
161 fuzzification process of the fuzzy controller may include：By input varible (temperature deviation e and temperature deviation
Change rate ec) exact value carry out Fuzzy processing, make fuzzy language variable value.To temperature deviation e and temperature deviation
Change rate ec uses 13 grade quantizings：{ -6, -5, -4, -3, -2, -1,0,1,2,3,4,5,6 }, select language parameter be NB,
NM, NS, ZE, PS, PM, PB }.By output variable Δ Kp, Δ Ki and Δ Kd be quantified as 13 grades -6, -5, -4, -3, -2, -1,
0,1,2,3,4,5,6 }, it is NB, NM, NS, ZE, PS, PM, PB to select language parameter }.Since the shape of membership function is to Fuzzy Control
The control effect influence of system is smaller, and input varible and output variable are all using the fuzzy membership functions of triangle set.
Fuzzy reasoning process may include：According to fuzzy control rule to the input varible E and EC after Fuzzy processing into
Row fuzzy reasoning obtains the fuzzy value of output variable.It is according to operating experience it is found that appropriate at the initial stage of adjustment process and mid-term Kp
Increase some, to improve response speed.In the later stage of adjustment process, then Kp reductions appropriate, to improve system
Stability.In order to avoid generating integral saturation, answered in control initial stage Ki it is smaller, in adjustment process mid-term, to avoid influencing being
The stability of system, integral action are answered moderate.And in the adjustment process later stage, integral action should be enhanced, to reduce static deviation.Kd values
Selection to adjust dynamic characteristic influence it is very big.At adjustment process initial stage, the differential action is increased, can reduce or even avoid surpassing
It adjusts.Mid-term is being adjusted, process is sensitive to Kd, and Kd should set smaller.In the adjustment process later stage, for disturbance suppression, Kd should also reduce.
According to the above principle, the fuzzy control rule table of each parameters of PID is formulated, table 1 is referred to.
Table 1
Solution modelling process may include being handled the fuzzy output defuzzification of controller using weighted mean method, can obtain
To the exact value of Δ Kp, Δ Ki and Δ Kd.
The special caesium optical pumping detector towards waters day something lost chemical weapons further includes the second light in one of the embodiments,
Learn module 170.Second optical module 170 is set between the caesium absorption chamber 132 and the Photoelectric Detection module 140.
Second optical module 170 by the modulation near infrared signal focusing on the Photoelectric Detection module 140.Described second
Optical module 170 may include the second lens 171 and the second optical filter 172.The modulation near infrared signal passes through described second
Lens 171 focus on the Photoelectric Detection module 140.The modulation near-infrared can be believed by second optical filter 172
Number carry out noise reduction process.Narrow-band pass filter may be used in second optical filter 172.
The special caesium optical pumping detector 10 towards waters day something lost chemical weapons further includes posture in one of the embodiments,
Compensating module 180.The pose compensation module 180 is fixedly installed relative to the magnetic resonance module 130.The pose compensation mould
Block 180 is used to monitor the angle of the circularly polarized light and the tested magnetic field that are exported from first optical module 120.It is described
When special caesium optical pumping detector 10 towards waters day something lost chemical weapons works, it is desirable that the institute exported from first optical module 120
It is more than ± 6 ° to state light path where circularly polarized light and the angle of the tested magnetic field magnetic line, otherwise described towards waters day something lostization
Military special caesium optical pumping detector 10 can enter dead zone, can not work.The pose compensation module 180 may include gyroscope,
Three axis accelerometer and digital compass.The gyroscope and the three axis accelerometer can measure the direction of the circularly polarized light
Variation.The digital compass can measure the tested magnetic field magnetic line direction.The gyroscope, the three axis accelerometer and
The digital compass can also be connect with terminal control module 190.Described can be controlled by the terminal control module 190
The direction of one optical module, 120 output light path, the angle to control the circularly polarized light and the tested magnetic field magnetic line exist
Suitable range.
The signal processing module 150 further includes sequentially connected amplification filter unit in one of the embodiments,
151, self-oscillation unit 153, magnetic resonance frequency measuring unit 154, the amplification filter unit 151 are amplifying the telecommunications
Number.The computing unit 152 can obtain the intensity in the tested magnetic field by calculating.
The self-oscillation unit 153 is also electrically connected with the radio-frequency coil 131.The self-oscillation unit 153 can be with
By the electric signal that amplifies of amplification filter unit 151 input the magnetic resonance frequency measuring unit 154 obtain it is optomagnetic total
Vibration frequency.The frequency in tested magnetic field can be obtained by being calculated by port control modules.
The Photoelectric Detection module 140 includes sequentially connected photodiode 141 and light in one of the embodiments,
Power conversion circuit 142.The photodiode receives after optical signal can be by the photoelectric switching circuit 142 by optical signal
Be converted to electric signal.
132 internal layer of caesium absorption chamber has paraffin coating in one of the embodiments,.The paraffin coating can reduce
Relaxation acts on.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of special caesium optical pumping detector towards waters day something lost chemical weapons, which is characterized in that including detector (20), the spy
Surveying device (20) includes：
Pumping light generation module (110), for exporting near infrared light；
First optical module (120), for the near infrared light to be converted to circularly polarized light；
Magnetic resonance module (130), for generating RF magnetic field, including caesium simple substance, the magnetic resonance module (130) is used for tested
Under the collective effect in magnetic field, the RF magnetic field and the circularly polarized light, so that the caesium simple substance is generated optical magnetic resonance and adjusted with exporting
Near infrared signal processed；
Photoelectric Detection module (140) to receive the modulation near infrared signal, and the modulation near infrared signal is converted into
Electric signal；
Signal processing module (150) is electrically connected with the Photoelectric Detection module (140), to calculate institute by the electric signal
State the intensity in tested magnetic field；
Terminal control module (190), respectively with the pumping light generation module (110), first optical module (120), institute
State magnetic resonance module (130), the Photoelectric Detection module (140), the signal processing module (150) connection；
At least two data storage modules (300) are connect with the terminal control module (190), identical described to store
The intensity data in tested magnetic field；
At least one redundant storage module (310), connect with the terminal control module (190).
2. the special caesium optical pumping detector as described in claim 1 towards waters day something lost chemical weapons, which is characterized in that further include superfluous
Remaining power module (320), the redundant power module (320) connect with the detector (20).
3. the special caesium optical pumping detector as described in claim 1 towards waters day something lost chemical weapons, which is characterized in that further include close
Capsule body (230), the seal casinghousing (230) include internal layer shell (210) and outer casing (220), the internal layer shell
(210) it is set in the outer casing (220), is provided between the internal layer shell (210) and the outer casing (220)
Thermal insulation layer (240), the detector (20) are set in the internal layer shell (210).
4. the special caesium optical pumping detector as described in claim 1 towards waters day something lost chemical weapons, which is characterized in that the magnetic is total
Module of shaking (130), including：
Radio-frequency coil (131), for generating the RF magnetic field；
Caesium absorption chamber (132), for accommodating the caesium simple substance.
5. the special caesium optical pumping detector as claimed in claim 4 towards waters day something lost chemical weapons, which is characterized in that further include temperature
Control module (160) is spent, is electrically connected with the magnetic resonance module (130), for controlling the temperature in the caesium absorption chamber (132)
Degree.
6. the special caesium optical pumping detector as claimed in claim 5 towards waters day something lost chemical weapons, which is characterized in that the temperature
Control module (160) further includes fuzzy controller (161).
7. the special caesium optical pumping detector as claimed in claim 4 towards waters day something lost chemical weapons, which is characterized in that further include the
Two optical modules (170), second optical module (170) are set to the caesium absorption chamber (132) and the Photoelectric Detection mould
Between block (140), the modulation near infrared signal is focused on the Photoelectric Detection module (140).
8. the special caesium optical pumping detector as described in claim 1 towards waters day something lost chemical weapons, which is characterized in that further include appearance
State compensating module (180), the pose compensation module (180) is fixedly installed relative to the magnetic resonance module (130), for supervising
Survey the angle of the circularly polarized light and the tested magnetic field magnetic line that are exported from first optical module (120).
9. the special caesium optical pumping detector as described in claim 1 towards waters day something lost chemical weapons, which is characterized in that the signal
Processing module (150) further includes sequentially connected amplification filter unit (151), self-oscillation unit (153), magnetic resonance frequency survey
Measure unit (154), computing unit (152).
10. such as special caesium optical pumping detector of the claim 1-9 any one of them towards waters day something lost chemical weapons, feature exists
In the Photoelectric Detection module (140) includes sequentially connected photodiode (141) and photoelectric switching circuit (142).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110231656A (en) * | 2019-04-12 | 2019-09-13 | 清华大学 | Waters unexploded magnetic method detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090001979A1 (en) * | 2007-06-27 | 2009-01-01 | Hitachi High-Technologies Corporation | Magnetic field measuring apparatus |
| CN102664914A (en) * | 2012-03-22 | 2012-09-12 | 北京英孚斯迈特信息技术有限公司 | IS/DFS-Image distributed file storage query system |
| CN103852737A (en) * | 2014-03-14 | 2014-06-11 | 武汉理工大学 | Optimized cesium-light-pump weak magnetic detection device |
| CN104181604A (en) * | 2014-09-03 | 2014-12-03 | 上海通用卫星导航有限公司 | Self-excited caesium-133 element optical pumping magnetometer |
| CN204719241U (en) * | 2015-05-03 | 2015-10-21 | 国家海洋局第一海洋研究所 | A kind of aeromagnetics sniffer based on unmanned plane |
| CN206400119U (en) * | 2016-12-23 | 2017-08-11 | 中国船舶重工集团公司第七一五研究所 | A kind of new caesium optical pumping magnetic spy instrument probe device |
-
2017
- 2017-12-29 CN CN201711483124.XA patent/CN108279438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090001979A1 (en) * | 2007-06-27 | 2009-01-01 | Hitachi High-Technologies Corporation | Magnetic field measuring apparatus |
| CN102664914A (en) * | 2012-03-22 | 2012-09-12 | 北京英孚斯迈特信息技术有限公司 | IS/DFS-Image distributed file storage query system |
| CN103852737A (en) * | 2014-03-14 | 2014-06-11 | 武汉理工大学 | Optimized cesium-light-pump weak magnetic detection device |
| CN104181604A (en) * | 2014-09-03 | 2014-12-03 | 上海通用卫星导航有限公司 | Self-excited caesium-133 element optical pumping magnetometer |
| CN204719241U (en) * | 2015-05-03 | 2015-10-21 | 国家海洋局第一海洋研究所 | A kind of aeromagnetics sniffer based on unmanned plane |
| CN206400119U (en) * | 2016-12-23 | 2017-08-11 | 中国船舶重工集团公司第七一五研究所 | A kind of new caesium optical pumping magnetic spy instrument probe device |
Non-Patent Citations (2)
| Title |
|---|
| 张鹏 等: "基于MEMS技术的光泵原子磁力仪发展与应用", 《微纳电子技术》 * |
| 陈永泰 等: "铯光泵弱磁检测电路系统的设计", 《武汉理工大学学报(信息与管理工程版)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231656A (en) * | 2019-04-12 | 2019-09-13 | 清华大学 | Waters unexploded magnetic method detection device |
| US11768309B2 (en) | 2019-04-12 | 2023-09-26 | Tsinghua University | Magnetism detection apparatus for underwater unexploded ordnance and method for controlling the same |
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