Split type cesium optical pump magnetometer

Abstract

The utility model belongs to the technical field of cesium optical pump magnetometers, and particularly relates to a split type cesium optical pump magnetometer, which comprises a data acquisition and processing module, and is characterized in that a connecting line I is mounted on the surface of one side of the data acquisition and processing module, and an electronic component module is mounted at one end, far away from the data acquisition and processing module, of the connecting line I; a second connecting line is installed on the surface of the side, away from the first connecting line, of the electronic assembly module. The components of the device adopt a split design, are connected through a connecting line, are convenient to install on an unmanned aerial vehicle, can simultaneously collect by a plurality of cesium optical pump probes, have the characteristics of high sensitivity, good stability, high precision and the like, can separate cesium optical pump signal generation from signal conversion, and can connect a plurality of cesium optical pump signal units by using one signal conversion unit. The method achieves the centralized transmission and control of cesium optical pump data, and plays an important role in the fields of military affairs, geophysical exploration and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cesium optical pumping magnetometer technical field, specifically relates to a split type 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 the field such as aviation magnetic survey, ocean monitoring, geological exploration, earthquake prediction, even medical health system.The 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] It is found that the publication (announcement) No.: CN206400084U discloses a new cesium optical pumping magnetometer pump source device, and the technical scheme in the prior art discloses "including cesium lamp filled with buffer gas, lamp holder, positioning seat, positioning nut, non-magnetic shielding sleeve, heating wire, non-magnetic screw lamp column and radio frequency excitation coil, etc.

[0004] In the prior art, the cesium lamp excitation modularization is adopted, but due to the complex structure of the existing device cesium optical pumping magnetometer, it is not suitable for aviation magnetic force detection, and multiple cesium optical pumping magnetometers cannot simultaneously collect data.

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

[0006] To solve the problems in the background art, the utility model provides a split type cesium optical pumping magnetometer, the device components adopt split type design, are connected by connecting line, are convenient for installing on unmanned aerial vehicle, can simultaneously collect multiple cesium optical pumping probes, have high sensitivity, good stability, high precision and other characteristics, can separate cesium optical pumping signal generation and signal conversion, connect multiple cesium optical pumping signal units with a signal conversion unit, achieve centralized transmission and control of cesium optical pumping data, and have important role in military, geophysical prospecting and other fields.

[0007] To achieve the above object, the utility model provides the following technical scheme: a split cesium optical pumping magnetometer, including data acquisition processing module, one side surface of data acquisition processing module is installed with connecting wire no.

[0008] As a split cesium optical pumping magnetometer of the utility model preferably, connecting wire no. It is four groups and is symmetrically distributed on one side surface of data acquisition processing module.

[0009] As a split cesium optical pumping magnetometer of the utility model preferably, cesium optical pumping probe is built -in with self -excited cesium optical pumping sensor, can reach 2pT / Hz 1 / 2 magnitude.

[0010] As a split cesium optical pumping magnetometer of the utility model preferably, the measurement accuracy of cesium optical pumping probe reached 1pT.

[0011] As a split cesium optical pumping magnetometer of the utility model preferably, cesium optical pumping probe can reach 10 to 85 degrees of working angle in north and south two directions.

[0012] Compared with prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses, part adopts split design, is connected through connecting wire, is convenient for installing on unmanned plane, can multiple cesium optical pumping probes gather simultaneously, through unmanned plane can reach the area of data acquisition work of person, car, ship, has high sensitivity, stability is good, high accuracy etc.

[0014] 2、The utility model discloses, can separate cesium optical pumping signal generation and signal conversion, with a signal conversion unit connects multiple cesium optical pumping signal units, reaches the centralized transmission and control of cesium optical pumping data, has important role in military, geophysical prospecting etc. DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is cesium optical pumping probe physical connection diagram in the utility model;

[0018] In the drawings:

[0019] 1, data acquisition processing module;

[0020] 2, connection line one;

[0021] 3, electronic component module;

[0022] 4, connection line two;

[0023] 5, cesium optical pumping probe;

[0024] 6, power interface. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment 1

[0027] As shown in Figs. 1-2 ;

[0028] A split cesium optical pumping magnetometer, comprising a data acquisition processing module 1, a connection line one 2 is installed on one side surface of the data acquisition processing module 1, an electronic component module 3 is installed on one end of the connection line one 2 away from the data acquisition processing module 1, a connection line two 4 is installed on one side surface of the electronic component module 3 away from the connection line one 2, a cesium optical pumping probe 5 is installed on one end of the connection line two 4 away from the electronic component module 3, and a power interface 6 is further arranged on one side surface of the data acquisition processing module 1.

[0029] In the present embodiment: because of the data acquisition processing module 1, the connection line one 2 is installed on one side surface of the data acquisition processing module 1, the electronic component module 3 is installed on one end of the connection line one 2 away from the data acquisition processing module 1, the connection line two 4 is installed on one side surface of the electronic component module 3 away from the connection line one 2, the cesium optical pumping probe 5 is installed on one end of the connection line two 4 away from the electronic component module 3, and the power interface 6 is further arranged on one side surface of the data acquisition processing module 1, a split design is adopted, which is convenient for installation on a unmanned aerial vehicle, multiple cesium optical pumping probes 5 can be used for simultaneous collection, and the device has the characteristics of high sensitivity, good stability, high precision, etc.

[0030] Further,

[0031] As shown in Figs. 1-2 ;

[0032] In an optional embodiment, the connection line one 2 is four groups symmetrically distributed on one side surface of the data acquisition and processing module 1.

[0033] In this embodiment, because the connection line one 2 is four groups symmetrically distributed on one side surface of the data acquisition and processing module 1, this design can simultaneously collect multiple cesium optical pumping probe heads 5, and can separate the signal generation and signal conversion of the cesium optical pumping probe head 5, and connect multiple cesium optical pumping probe head 5 signal units with a signal conversion unit, so as to achieve centralized transmission and control of the cesium optical pumping probe head 5 data.

[0034] Further,

[0035] As shown in Figs. 1-2

[0036] In an optional embodiment, the cesium optical pumping probe head 5 is built-in with a self-excited cesium optical pumping sensor, which can reach the order of 2pT / Hz1 / 2.

[0037] In this embodiment, because the cesium optical pumping probe head 5 is built-in with a self-excited cesium optical pumping sensor, which can reach the order of 2pT / Hz1 / 2, this design is very suitable for application scenarios that require high-precision measurement.

[0038] Further,

[0039] As shown in Fig. 1

[0040] In an optional embodiment, the measurement accuracy of the cesium optical pumping probe head 5 reaches 1pT.

[0041] In this embodiment, because the measurement accuracy of the cesium optical pumping probe head 5 reaches 1pT, it can be applied to scenarios with high precision requirements.

[0042] Further,

[0043] As shown in Fig. 1

[0044] In an optional embodiment, the cesium optical pumping probe head 5 can reach a working angle of 10 to 85 degrees in both the north-south directions.

[0045] In this embodiment, because the cesium optical pumping probe head 5 can reach a working angle of 10 to 85 degrees in both the north-south directions, it has a large working area and can work in the range of 10 to 85 degrees in both the north-south directions, with a small dead zone range and a small turning difference. These technical features make the cesium optical pumping magnetometer not sensitive to attitude changes, and the performance remains stable and unaffected when used in different attitudes.

[0046] ​​​Working principle: because of data acquisition processing module 1, the side surface of data acquisition processing module 1 is provided with connecting line one 2, the end, away from data acquisition processing module 1, of connecting line one 2 is provided with electronic component module 3, the side surface, away from connecting line two 4, of electronic component module 3 is provided with connecting line two 4, the end, away from electronic component module 3, of connecting line two 4 is provided with cesium optical pumping probe 5, the side surface of data acquisition processing module 1 is also provided with power interface 6, adopts split type design, is convenient for installing on unmanned aerial vehicle, can multiple cesium optical pumping probes 5 collect simultaneously, has high sensitivity, good stability, high precision and other characteristics, because connecting line one 2 is four groups of symmetric distribution on the side surface of data acquisition processing module 1, adopts this design, multiple cesium optical pumping probes 5 can collect simultaneously, the cesium optical pumping probe 5 signal generation and signal conversion can be separated, a signal conversion unit is connected with multiple cesium optical pumping probe 5 signal units, reaches the centralized transmission and control of cesium optical pumping probe 5 data, because cesium optical pumping probe 5 is provided with self-excited cesium optical pumping sensor, can reach 2pT / Hz 1 / 2 magnitude, adopts this design, is very suitable for being used in the application scene needing high-precision measurement, because the measurement precision of cesium optical pumping probe 5 reaches 1pT, can be applied to the scene of high-precision demand, because cesium optical pumping probe 5 can reach 10 to 85 degrees of working angle in the south-north direction, has larger working area, the south-north direction can work in the area of 10 to 85 degrees, the dead zone range is very small, and the steering difference is also very small, these technical characteristics make that the cesium optical pumping magnetometer is not sensitive to attitude change, when using in different attitudes, the performance remains stable, is not affected, when using, the self-excited cesium optical pumping sensor utilizes alkali metal 'cesium-133' atom (non-radioactive) under the Zeeman energy level splitting phenomenon of external magnetic field, realizes high-sensitivity magnetic field data measurement through optical magnetic resonance technology, real-time positioning, concentrates the information collected and controls.

[0047] Finally, it should be explained that: the above only preferred embodiments of the utility model have been described, and are not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A split cesium optical pumping magnetometer comprising a data acquisition and processing module (1), characterized in that: One side surface of the data acquisition processing module (1) is provided with a connecting line one (2), one end of the connecting line one (2) away from the data acquisition processing module (1) is provided with an electronic component module (3), one side surface of the electronic component module (3) away from the connecting line one (2) is provided with a connecting line two (4), one end of the connecting line two (4) away from the electronic component module (3) is provided with a cesium optical pumping probe (5), and one side surface of the data acquisition processing module (1) is further provided with a power supply interface (6).

2. The split cesium optical-pumping magnetometer of claim 1, wherein: The connecting line one (2) is four groups of symmetrically distributed on one side surface of the data acquisition processing module (1).

3. The split cesium optical pumping magnetometer of claim 2, wherein: The cesium optical pumping probe (5) is internally provided with a self-excitation type cesium optical pumping sensor, and can reach the order of 2pT / Hz1 / 2.

4. The split cesium optical pumping magnetometer of claim 3, wherein: The measurement accuracy of the cesium optical pumping probe (5) reaches 1pT.

5. The split cesium optical pumping magnetometer of claim 4, wherein: The cesium optical pumping probe (5) can reach a working angle of 10 to 85 degrees in the north-south direction.

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