Handheld cesium optical pump magnetometer

Abstract

The utility model provides a handheld cesium optical pump magnetometer, which relates to the technical field of cesium optical pump magnetometers, and comprises a handheld terminal, a display screen is arranged on the surface of the handheld terminal, keys are arranged on the surface of the handheld terminal, a connecting line is arranged at the top end of the handheld terminal, a cesium optical pump probe is arranged at one end of the connecting line, and the cesium optical pump probe is arranged at the other end of the connecting line. The handheld terminal is internally provided with a differential satellite receiver, the handheld terminal is connected with the cesium optical pump probe, namely, the handheld magnetometer integrating display control and a cesium optical pump assembly is formed, the operation mode is simple and easy to use, the interface is visual and clear, the access of the double-channel cesium optical pump probe is supported, the detection efficiency can be effectively improved, the RTK differential positioning function is supported, and the application range is wide. Grid dotting is not needed, centimeter-level positioning can be rapidly carried out, the method is suitable for efficient detection of complex terrains, the size and the burial depth of a target are recognized through gradient magnetic field differences of the target, a high-performance processor is embedded, and one-key mapping of magnetic field data of a target area is supported.

Description

TECHNICAL FIELD

[0001] The utility model relates to cesium optical pumping magnetometer technical field especially relates to a hand -held cesium optical pumping magnetometer. BACKGROUND

[0002] Cesium optical pumping magnetometer is a kind of high-precision measuring instrument, is a kind of quantum magnetometer, is widely used in aviation magnetic survey, ocean monitoring, geological exploration, earthquake prediction, even medical and health system and other fields, its principle is that the hyperfine structure energy level of cesium light will appear Zeeman splitting phenomenon under the action of external magnetic field, the frequency between Zeeman sub-energy level is accurately determined, the size of external magnetic field can be calculated, cesium optical pumping magnetometer has wide application value in geophysical prospecting and military field, and has very important application value and prospect;

[0003] Chinese patent publication No. CN206400084U discloses a new type of cesium optical pumping magnetometer pump source device, including cesium lamp filled with buffer gas, lamp holder, positioning seat, locating nut, non-magnetic shielding sleeve, heating wire, non-magnetic screw lamp column and radio frequency excitation coil;Cesium lamp is a spherical structure with tail, the tail end of cesium lamp is fixed by sticking on the non-magnetic screw lamp column through heat-conducting glue;The heating wire adopts double-twisted structure, and the heating wire is installed in the positioning seat to realize non-magnetic noise heating;Non-magnetic screw lamp column is installed on the positioning seat, and the excitation position of cesium lamp is adjusted by changing the screwing depth;The locating nut is installed on the non-magnetic screw lamp column to fix the position of the cesium lamp adjusted in place;Radio frequency coil is wound on the outer thread of lamp holder, and electric field is generated to excite cesium lamp;

[0004] In this existing design, although the non-magnetic leakage heating of cesium lamp can be realized, the magnetic noise caused by probe heating is eliminated;The designed new type of cesium lamp heating structure can realize rapid and effective heat conduction of cesium lamp, improve the heating efficiency;The designed pump source structure can reduce the light noise caused by instrument vibration, improve the light source anti-interference performance, and reduce the radiation noise of pump source. The utility model is designed, the cesium lamp excitation module is modularized, can be individually connected as pump source module to different cesium optical pumping magnetometer system, has the advantages of light source stability, no heating magnetic noise, strong anti-interference ability and small radiation noise, but traditional magnetometer usually needs to be connected with multiple devices to complete data acquisition and processing, increases the complexity and carrying inconvenience of equipment;

[0005] Therefore, a hand -held cesium optical pumping magnetometer is designed to solve the above problems. Utility model content

[0006] The utility model aims at solving the technical problems in the above background.

[0007] The utility model discloses a following technical scheme: a kind of handheld cesium optical pumping magnetometer, including handheld terminal, the surface of handheld terminal is provided with display screen, the surface of handheld terminal is provided with button, the top of handheld terminal is provided with connecting line, the one end of connecting line is provided with cesium optical pumping probe, the inside of handheld terminal is provided with differential satellite receiver.

[0008] As a kind of handheld cesium optical pumping magnetometer of the utility model preferably, the display screen is daylight readable high-definition screen.

[0009] As a kind of handheld cesium optical pumping magnetometer of the utility model preferably, the size of cesium optical pumping probe is 146*61.5mm, the length of connecting line is 1000~2000mm.

[0010] As a kind of handheld cesium optical pumping magnetometer of the utility model preferably, the number of connecting line has two groups, and two groups connecting line are symmetrically distributed at the top of handheld terminal respectively.

[0011] As a kind of handheld cesium optical pumping magnetometer of the utility model preferably, handheld terminal, display screen, cesium optical pumping probe and differential satellite receiver are made of non-magnetic material.

[0012] As a kind of handheld cesium optical pumping magnetometer of the utility model preferably, the surface of handheld terminal is provided with chamfer.

[0013] As a kind of handheld cesium optical pumping magnetometer of the utility model preferably, the size of handheld terminal is 250*150*65mm.

[0014] Compared with prior art, the utility model has the advantages and positive effects that,

[0015] 1、the utility model discloses, through handheld terminal and cesium optical pumping probe connection, form display control and cesium optical pumping assembly integrated handheld magnetometer, hardware, software technology is completely controllable, operation mode is simple, easy to use, interface is intuitive and clear, supports double -way cesium optical pumping probe access, can effectively improve detection efficiency, support RTK difference positioning function, need not grid dotting, can carry out centimeter level positioning quickly, is suitable for complex terrain's efficient detection.

[0016] 2、the utility model discloses, supports double -end gradient detection mode, and the gradient magnetic field difference of target object is identified target size and buried depth, in -hand terminal embeds high -performance processor, supports target area magnetic field data one -key mapping, and handheld terminal can be through display screen to target area magnetic field data real -time show. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 for the utility model discloses a kind of handheld cesium optical pumping magnetometer's schematic diagram is shown.

[0018] Fig. 2 The utility model provides a kind of principle diagram of hand-held cesium optical pumping magnetometer.

[0019] Legend:

[0020] 1, hand-held terminal;2, display screen;3, button;4, connecting line;5, cesium optical pumping probe;6, differential satellite receiver. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific examples disclosed in the following specification.

[0023] EXAMPLE

[0024] Please refer to Figs. 1-2 The utility model provides a technical scheme: a kind of hand-held cesium optical pumping magnetometer, including hand-held terminal 1, high-performance embedded hardware processing unit, realize the real-time acquisition and processing of magnetic field data, realize one-key mapping by high-efficiency algorithm and satellite positioning, the surface of hand-held terminal 1 is provided with chamfer, the size of hand-held terminal 1 is 250*150*65mm, the surface of hand-held terminal 1 is provided with display screen 2, display screen 2 is sunlight readable high-definition screen, target area magnetic field data is shown in real time by display screen 2, the surface of hand-held terminal 1 is provided with button 3, the top of hand-held terminal 1 is provided with connecting line 4, the number of connecting line 4 is two groups, two groups of connecting line 4 are symmetrically distributed at the top of hand-held terminal 1, the length of connecting line 4 is 1000~2000mm, one end of connecting line 4 is provided with cesium optical pumping probe 5, the size of cesium optical pumping probe 5 is 146*61.5mm, self-excited cesium optical pumping sensor probe utilizes alkali metal 'cesium-133' atom non-radioactive under the Zeeman energy level splitting phenomenon of external magnetic field, high-sensitivity magnetic field data measurement is realized by optical magnetic resonance technology, hand-held terminal 1 is provided with differential satellite receiver 6 inside, high-precision positioning module, support north, GPS\GLONASS etc. Satellite positioning system, plane positioning accuracy 1cm, height positioning accuracy 1.5cm, hand-held terminal 1, display screen 2, cesium optical pumping probe 5 and differential satellite receiver 6 are made of non-magnetic material.

[0025] Working principle: cesium optically pumped probe 5 is set to self-excitation type cesium optically pumped sensor probe utilizes alkali metal 'cesium-133' atom (non-radioactive) under the action of Zeeman energy level splitting phenomenon in external magnetic field, through optical magnetic resonance technology realizes high sensitivity magnetic field data measurement, and through the built-in high-performance embedded hardware processing unit of handheld terminal 1 real-time acquisition and processing of magnetic field data, combined with high efficiency algorithm and satellite positioning system (supporting Beidou, GPS, GLONASS, etc.), realize one key mapping function, adopt handheld terminal 1 to connect cesium optically pumped probe 5, handheld terminal 1 is to convert the optical signal into digital signal, after digital filtering, through serial port to display screen 2, it has the circuit of heating function to each optical part and the circuit of converting electric signal into frequency signal, handheld terminal 1 and display screen 2 are used for displaying data, processing data, magnetic anomaly target identification, etc., simple operation, the interface can be displayed in real time through display screen 2, intuitive and clear.

[0026] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments without departing from the technical solution of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical solution of the present application.

Claims

1. A hand-held cesium optical-pumped magnetometer comprising a hand-held terminal (1), characterized in that: The surface of the handheld terminal (1) is provided with a display screen (2), the surface of the handheld terminal (1) is provided with a button (3), the top end of the handheld terminal (1) is provided with a connecting line (4), one end of the connecting line (4) is provided with a cesium optical pumping probe (5), and the inside of the handheld terminal (1) is provided with a differential satellite receiver (6).

2. The handheld cesium optical pumping magnetometer of claim 1, wherein: The display screen (2) is a sunlight readable high-definition screen.

3. The handheld cesium optical pumping magnetometer of claim 2, wherein: The size of the cesium optical pumping probe (5) is 146*61.5mm, and the length of the connecting line (4) is 1000-2000mm.

4. The handheld cesium optical pumping magnetometer of claim 3, wherein: The number of the connecting line (4) is two groups, and the two groups of the connecting line (4) are symmetrically distributed at the top end of the handheld terminal (1).

5. The handheld cesium optical pumping magnetometer of claim 4, wherein: The handheld terminal (1), the display screen (2), the cesium optical pumping probe (5) and the differential satellite receiver (6) are all made of non-magnetic materials.

6. The handheld cesium optical pumping magnetometer of claim 5, wherein: The surface of the handheld terminal (1) is provided with a chamfer.

7. The handheld cesium optical pumping magnetometer of claim 6, wherein: The size of the handheld terminal (1) is 250*150*65mm.

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