CN218474603U

CN218474603U - System for magnetic field detection

Info

Publication number: CN218474603U
Application number: CN202123158665.XU
Authority: CN
Inventors: 蔡宾
Original assignee: Beijing Weici Technology Co ltd
Current assignee: Beijing Weici Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2023-02-14
Anticipated expiration: 2031-12-15

Abstract

The present disclosure provides a system for magnetic field detection, comprising: a cabinet; a first separator, a second separator, and a third separator. The first partition plate, the second partition plate and the third partition plate are all made of electromagnetic shielding materials. The magnetic field detection device is arranged in the first interval, the shunt device is arranged in the second interval, and the calculation device is arranged in the third interval. The heat dissipation assembly is at least partially arranged in a mounting opening of a wall of the cabinet which limits the second interval and the fourth interval; and the isolation transformer and the power protection module are arranged in the fourth interval. The first partition plate, the second partition plate and the third partition plate form effective electromagnetic shielding between the magnetic field detection equipment and other electric components in the system, so that the magnetic field detection equipment is prevented from being subjected to electromagnetic interference of other electric components, and the reliability of magnetic field detection of the system is improved.

Description

System for magnetic field detection

Technical Field

The present application relates to the field of magnetic field detection, and more particularly to a system for magnetic field detection.

Background

Magnetic images such as Magnetocardiography (MCG), magnetoencephalography (MEG) are images of magnetic fields generated by organs of the human body using very sensitive sensors, and images of magnetic fields generated by electrical activity of the heart in the cardiac cycle are recorded non-invasively over the chest, taking the magnetocardiogram as an example.

One of the mainstream methods for making magnetocardiograms is the use of magnetic field detection based on atomic magnetometers, which is inexpensive and requires little maintenance, making a wide range of applications of MCGs possible. In an actual product, a set of master control system needs to be provided for the atomic magnetometer to control the magnetic field detection of the atomic magnetometer.

In the electrical field, a main body of a main control system is a closed or semi-closed cabinet provided with a series of electric equipment, the main control system is used as common electric equipment, the main control system is generally used for supplying power or controlling the electric equipment, and the main control system is used for controlling one or a group of electric equipment so as to meet the normal working requirement of the equipment. However, due to the innovativeness and uniqueness of the atomic magnetometer, there is no main control system that can be adapted to the atomic magnetometer and simultaneously load other components related to the atomic magnetometer, and the existing main control system cannot realize stacking of the atomic magnetometer or increase of functional devices.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the present disclosure, there is provided a system for magnetic field detection, characterized by comprising: a cabinet having a storage space formed therein; the first partition board is arranged in the cabinet and used for dividing the storage space into a first chamber and a second chamber which are arranged along a first direction; the second partition plate is arranged in the first chamber and used for dividing the first chamber into a first section and a second section which are arranged along the second direction; the third partition plate is arranged in the second compartment and used for partitioning the second compartment into a third section and a fourth section which are arranged along the second direction, wherein the first direction is vertical to the second direction, and the first partition plate, the second partition plate and the third partition plate are all made of electromagnetic shielding materials; the magnetic field detection device is arranged in the first interval; the computing equipment is arranged in the third interval; the power supply protection module is arranged in the fourth interval and is used for being connected with an external network power supply; the shunt equipment is arranged in the second interval, is respectively and electrically connected with the power supply protection module, the magnetic field detection equipment and the computing equipment, and is configured to respectively transmit the electric energy of the external network power supply to the magnetic field detection equipment and the computing equipment; and the heat dissipation assembly is at least partially arranged in the mounting opening of the cabinet wall for limiting the second interval and the mounting opening of the cabinet wall for limiting the fourth interval.

In some embodiments, the magnetic field detection device comprises: a plurality of sensor controllers arranged along a second direction line; and the data collector is arranged in one end area of the first interval, which is adjacent to the second interval.

In some embodiments, the system further comprises: and the supporting plates are arranged in the first interval in parallel along the second direction, and each supporting plate is used for supporting a corresponding sensor controller or data acquisition unit.

In some embodiments, the system further comprises: a support frame for mounting a plurality of support plates, the support frame comprising: a plurality of support beams extending in a second direction; and a plurality of positioning members each having both ends connected to two of the plurality of support beams for supporting the support plate.

In some embodiments, the shunt device comprises: a splitter for splitting an input of an external power source into a first branch for supplying power to the magnetic field detection device and a second branch for supplying power to the computing device.

In some embodiments, the bifurcating device further comprises: and the circuit filter is arranged on the first branch and used for filtering the electric signal transmitted to the magnetic field detection equipment.

In some embodiments, the bifurcating device further comprises: and the converter is arranged on the first branch and is used for converting the input of the electric signal.

In some embodiments, a heat dissipation assembly comprises: at least one fan for conveying air outside the cabinet to the inside of the cabinet.

In some embodiments, the system further comprises: and the guide plate is arranged between the shunting equipment and the heat dissipation assembly, and is provided with at least one opening which allows airflow generated by at least one fan to enter the first chamber.

In some embodiments, the baffle is disposed obliquely relative to the second baffle.

In some embodiments, the plurality of support plates are hollowed out to allow airflow in the second direction within the first chamber.

In some embodiments, the system further comprises: and the isolation transformer is arranged in the fourth interval and used for isolating the interference of the external network power supply.

In some embodiments, the power protection module comprises: the power supply filter is used for filtering an electric signal input by an external network power supply; and a fuse configured to automatically blow when the circuit is subjected to an overload voltage.

In some embodiments, the system further comprises: and the fourth partition plate is arranged in the fourth interval and used for separating the power protection module from the isolation transformer.

In the embodiment of the disclosure, a first partition, a second partition and a third partition are additionally arranged in a cabinet of an installation system, the first partition is used for separating computing equipment, a power supply module and an isolation transformer from other electric components in the system, the second partition is used for separating a magnetic field detection device from a shunt device, and the third partition is used for separating the power supply module and the isolation transformer from the computer, so that effective electromagnetic shielding is formed between the magnetic field detection device and other electric components in the system, the magnetic field detection device is prevented from being subjected to electromagnetic interference of other electric components, and the reliability of magnetic field detection of the system is improved. In addition, the heat dissipation assembly is arranged at one end of the cabinet far away from the magnetic field detection equipment, so that the electromagnetic interference of the heat dissipation assembly on the magnetic field detection equipment is reduced, and the reliability of the magnetic field detection of the system is further improved.

Drawings

In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope.

FIG. 1 shows a schematic diagram of a system for magnetic field detection according to one embodiment of the present disclosure;

FIG. 2 shows a rear side schematic view of the system shown in FIG. 1;

FIG. 3 shows an internal schematic view of a front side of a cabinet of the system shown in FIG. 1;

FIG. 4 shows an internal schematic view of the back side of the cabinet of the system shown in FIG. 1;

FIG. 5 shows a schematic block diagram of a system for magnetic field detection according to one embodiment of the present disclosure;

FIG. 6 shows a schematic diagram of the internal structure of a system for magnetic field detection according to one embodiment of the present disclosure;

fig. 7 shows a schematic block diagram of a bifurcating device according to one embodiment of the present disclosure.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

According to one aspect of the present disclosure, a system for magnetic field detection is provided. The system for magnetic field detection of the present disclosure will be described in detail below with reference to the accompanying drawings.

FIG. 1 shows a schematic diagram of a system 1 for magnetic field detection according to one embodiment of the present disclosure; FIG. 2 shows a schematic rear side view of the system 1 shown in FIG. 1; FIG. 3 shows an internal schematic view of the front side of cabinet 100 of system 1 shown in FIG. 1; FIG. 4 shows an internal schematic view of the back side of cabinet 100 of system 1 shown in FIG. 1; fig. 5 shows a schematic block diagram of a system 1 for magnetic field detection according to one embodiment of the present disclosure. As shown in fig. 1 to 5, the system 1 includes: cabinet 100, first partition 210, second partition 220, third partition 230, magnetic field detection device, shunt device 500, computing device 610, power protection module 630, and heat sink assembly 700.

The cabinet 100 may have a rectangular parallelepiped structure, and may specifically include a cabinet door 100, a back panel 120, a top panel 140, a bottom panel 150, and a left side panel 130 and a right side panel 130, where a storage space is formed inside the cabinet 100, and the cabinet door 110 is openably and closably disposed at a front side of the cabinet 100. The first partition 210 is disposed inside the cabinet 100 to partition the storage space into a first compartment 201 and a second compartment 202 arranged in a first direction.

As shown in fig. 1 and 4, the first partition 210 is disposed along a vertical direction, which may be parallel to the left and right side plates 130, and the first direction may be a horizontal direction, i.e., the first partition 210 divides the storage space into left and right compartments. Wherein a first compartment 201 is used to house the magnetic field detection device and shunt device 500 and a second compartment 202 is used to house at least the computing device 610. The second partition 220 is disposed in the first compartment 201, and is used to further divide the first compartment 201 into a first section 201a and a second section 201b arranged along a second direction, where the second partition 220 may be disposed horizontally, and may be parallel to the top plate 120 and the bottom plate 150 of the cabinet 100, and the second direction may be a vertical direction, that is, the second partition 220 divides the first compartment 201 into an upper section 201a and a lower section 201b, which are the first section 201a located above and the second section 201b located below. A third partition 230 is disposed in the second compartment 202 for further dividing the second compartment 202 into a third section 202a and a fourth section 202b arranged along a second direction, wherein the third partition 230 may be disposed horizontally and may be parallel to the top plate 120 and the bottom plate 150 of the cabinet 100, and the second direction may be a vertical direction, that is, the third partition 230 divides the second compartment 202 into an upper section 202a and a lower section 202b, which are the third section 202a located above and the fourth section 202b located below.

The magnetic field detection device is disposed in a first section 201a, and the shunt device 500 is disposed in a second section 201b. The first, second, and

third partitions

210, 220, and 230 are made of an electromagnetic shielding material for attenuating the influence of an electromagnetic field caused by some sources. The first, second and

third spacers

210, 220 and 230 may be made of metal such as copper, aluminum, steel, etc., and ferrite, etc., may be used for a constant and very low frequency magnetic field. At least a portion of the heat dissipation assembly 700 is disposed in a wall of the cabinet 100 defining the second section 201b and the fourth section 202b, that is, the heat dissipation assembly 700 is disposed at an end of the cabinet 100 away from the magnetic field detection device, so that the heat dissipation assembly 700 and the magnetic field detection device are spaced apart by a certain distance, thereby reducing electromagnetic interference of the heat dissipation assembly 700 to the magnetic field detection device. Shunt device 500 is disposed between heat sink assembly 700 and the magnetic field sensing device. As shown in fig. 3, the heat sink assembly 700 may include at least one fan, which may be disposed in a plurality of mounting openings on the bottom plate 150 of the cabinet 100. The fan may be an axial flow fan, the rotating shaft of which may be perpendicular to the bottom plate 150, and the axial flow fan is used to blow air outside the cabinet 100 into the inside of the cabinet 100.

It can be appreciated that because the magnetic field sensing device is sensitive to electromagnetic interference, it is desirable to design a system that minimizes the electromagnetic interference that the magnetic field sensing device experiences from other electrical components. In the embodiment of the present disclosure, a first partition 210 and a second partition 220 are additionally disposed in cabinet 100 of the installation system, where first partition 210 is used to separate computing device 610 from other electric components in system 1, and second partition 220 is used to separate magnetic field detection device from shunting device 500, so as to form an effective electromagnetic shield between magnetic field detection device and other electric components in the system, so as to prevent magnetic field detection device from being electromagnetically interfered by other electric components (e.g., shunting device 500, computing device 610, etc.), thereby improving reliability of magnetic field detection of system 1. In addition, the heat dissipation assembly 700 is disposed at an end of the cabinet 100 far away from the magnetic field detection device, so as to reduce electromagnetic interference of the heat dissipation assembly 700 on the magnetic field detection device, thereby further improving reliability of magnetic field detection of the system 1.

The magnetic field detection device of the system 1 comprises: a plurality of sensor controllers 300 and a data collector 400. The plurality of sensor controllers 300 are arranged along the second direction line. The data collector 400 is disposed in an end region of the first section 201a adjacent to the second section 201b. As shown in fig. 4, a plurality of sensor controllers 300 and data collectors 400 may be arranged in a vertical direction within the first section 201a, and each of the sensor controllers 300 and the data collectors 400 may be horizontally disposed. Data collector 400 is disposed at the bottom of first section 201a, that is, data collector 400 is located between sensor controllers 300 and bifurcating device 500, so that sensor controllers 300 are far away from bifurcating device 500, thereby reducing electromagnetic interference of bifurcating device 500 to sensor controllers 300. The data collector 400 may be directly supported by the second barrier 220 or may be supported by an additionally provided support plate.

The magnetic field detection of the present disclosure is realized by a plurality of magnetic field sensors, for example, magnetometer probes, and the target of the magnetic field detection may be a part of a human body, for example, a part of a brain, a heart, and the like. The plurality of magnetometer probes may be electrically connected to the plurality of sensor controllers 300 through connection lines, and the sensor controllers 300 may control the operation of the corresponding magnetometer probes. In operation of the system 1, a plurality of magnetometer probes can be connected to the sensor controller 300 and magnetic field measurements made; in the non-operational state of the system 1, a plurality of magnetometer probes may be detached from the sensor controller 300.

A brief description of the magnetometer probe follows. The magnetometer probe internally comprises: the device comprises a detection light emitting unit, a pumping light emitting unit, an alkali metal gas chamber, a gas chamber heating unit, a magnetic field modulation unit and a light detection unit. The specific operating principle of magnetometer probes is that the alkali metal atoms in the alkali metal gas cell are polarized by a laser (pump light) of a specific frequency. Under the action of an external magnetic field to be detected, alkali metal atoms generate spin Larmor precession, so that the absorption of the alkali metal atoms on detection light is changed, the size of the magnetic field can be obtained by detecting the absorption amount through an optical means, and the measurement of the magnetic field with high sensitivity is realized.

The computing device 610 may be a computer such as a workstation, which is a high-end general-purpose microcomputer. It provides greater performance than personal computers, especially in terms of graphics processing, task parallelism, etc. Workstations are usually computers equipped with high-resolution display screens and large-capacity internal and external memories, and have extremely strong information and high-performance graphics and image processing functions. In this embodiment, the display screen of the workstation may be used to display the generated magnetocardiogram or magnetocardiogram. In some embodiments, the computing device 610 located in the second compartment 202 may also have an electromagnetic shielding enclosure to protect the computing device 610 from external electromagnetic interference.

The power protection module 630 is disposed in the fourth section 202b, and is configured to be connected to an external power source and receive an electrical signal of the external power source. The power protection module 630 includes: box body, power filter and fuse. The power supply filter is used for filtering the electric signals input by the external network power supply. The fuse is adapted to automatically blow when the circuit is subjected to an overload voltage to prevent damage to the consumer within the system 1, and the housing is adapted to receive the power filter and the fuse.

The shunt device is electrically connected to the power protection module 630, the magnetic field detection device and the computing device 610, respectively, and is configured to transmit the electric power of the external power source to the magnetic field detection device and the computing device 610, respectively.

In some embodiments, the system 1 further comprises: an isolation transformer 620. The isolation transformer 620 is disposed in the fourth interval 202b for isolating interference of the external power source. The isolation transformer 620 isolates the external network power supply from the loop of the internal circuit of the system 1, so that high-frequency noise waves in the external network power supply are inhibited from entering the system, and the stability of power supply of the internal circuit of the system 1 is guaranteed. The isolation transformer 620 also suspends the circuit inside the system 1 to the ground, so that the capacitance and current of the system 1 to the ground are small enough, thereby ensuring that the personal safety of a user is protected without causing harm to the human body.

As shown in fig. 3 and 4, the isolation transformer 620 may be disposed at the front side of the fourth section 202b, and the power protection module 630 may be disposed at the rear side of the fourth section 202b and disposed against the back panel 120 of the cabinet 100. In some embodiments, the system 1 may additionally include a fourth partition for separating the power protection module 630 and the isolation transformer 620.

The system 1 for magnetic field detection has the specific working principle that a plurality of magnetometer probes can be placed in an area to be detected to collect magnetic field signal data of human body parts such as the heart or the brain, the collected signals can be transmitted to a signal collector through the sensor controller 300, and the signal collector can preprocess the signal data. The preprocessed signal data is then transmitted to the computing device 610, and the computing device 610 generates a measurement report by generating a magnetocardiogram or magnetoencephalogram using associated image generation software. And the subsequent film reading judgment can be carried out, and a diagnosis report is generated.

Fig. 6 shows a schematic internal structural diagram of a system 1 for magnetic field detection according to an embodiment of the present disclosure. In some embodiments, to facilitate the arrangement of the sensor controller 300 and the data collector 400, the system 1 may further include a plurality of support plates 820, each of the plurality of support plates 820 being horizontally arranged within the first section 201a, each support plate 820 being used to support a corresponding sensor controller 300 or data collector 400. In addition, the system 1 may further include a support frame 800, and the support frame 800 is used for positioning and mounting a plurality of support plates 820. The support bracket 800 may include a plurality of support beams 810 and a plurality of positioning members 820 extending along the second direction. Specifically, as shown in fig. 5, the support frame 800 may include 4 support beams 810 extending in the vertical direction, the four support beams 810 being respectively arranged at positions near four corners of the first compartment 201 in the vertical direction. A plurality of positioning members 820 may be provided in the front-rear direction, and each positioning member 820 may be provided between the front and rear support beams 810, and both ends thereof may be fixedly coupled to the front and rear opposite support beams 810 at the same height, respectively. As shown in fig. 6, the positioning members 820 form a plurality of sets of positioning structures, and each set of positioning structures includes the positioning members 820 located at the left and right sides of the first compartment 201 at the same height. In the subsequent installation process, the left and right edges of each support plate 820 may be respectively overlapped on the positioning members 820 located at the left and right sides of the first compartment 201 at the same height, so that each support plate 820 may be horizontally disposed.

It is understood that the height of the positioning member 820 may be determined by selecting the position at which the positioning member 820 is fixed to the support beam 810, thereby positioning the height of the support plate 820 resting thereon, and in addition, the spacing distance between adjacent two support plates 820 may be determined by setting the spacing between the positioning members 820 adjacent in the vertical direction. In the present embodiment, a design of the supporting bracket 800 is adopted, in which a plurality of positioning members 820 can be disposed at any height of the supporting beam 810, so that flexible installation can be performed according to the size and number of the sensor controller 300. For example, if the sensor controller 300 has a large volume, the distance between two adjacent support plates 820 can be adjusted to be large, i.e., the distance between two adjacent positioning members 820 can be increased. For another example, if the sensor controller 300 has a smaller volume but a larger number, the spacing between two adjacent support plates 820 can be adjusted to be smaller, i.e., the spacing between two adjacent positioning members 820 can be reduced. In some embodiments, both ends of the plurality of spacers 820 may be fixed to the support beam 810 by screws.

Fig. 7 shows a schematic block diagram of a bifurcating device 500 according to an embodiment of the present disclosure. Bifurcating device 500 comprises: a splitter 510. The splitter 510 is used to split the input of the external power source into a first branch 501 and a second branch 502, the first branch 501 being used to supply power to the magnetic field detection device and the second branch 502 being used to supply power to the computing device 610. The external power source may be, for example, a 220v ac power grid. As shown in fig. 6, the power supply line is shunted inside the shunt device 500, wherein the voltage supplied to the magnetic field detection device is 19v dc, and the voltage supplied to other electrical appliances such as the computing device 610 is 220v ac. The splitter 510 may be, for example, a conductive terminal array, which may include a first port connected to the first branch 501 and a second port connected to the second branch 502. In this embodiment, the ability of the shunting device 500 and other consumer devices to resist electromagnetic crosstalk may be increased in the form of shunt power.

Since the two branches have different power supply requirements, the shunting device 500 may further include an ac-dc converter 530 for converting a portion of the ac power input from the external power source into 19 vdc power. The ac-dc converter 530 also rejects a portion of the electromagnetic crosstalk during the process of converting 220v ac voltage to 19v dc voltage. In this embodiment, the ac-dc converter 530 may be a switching power supply.

Bifurcating device 500 may further include: a circuit filter 520. A circuit filter 520 is provided on the first branch 501 for filtering the electrical signal transmitted to the magnetic field detection device. As shown in fig. 6, a circuit filter 520 is connected to a line 501 for supplying power to the magnetic field detection device, and electromagnetic crosstalk of other power supply lines transmitted through the terminal block can be effectively filtered by the circuit filter 520.

In the embodiment of the disclosure, the anti-electromagnetic crosstalk capability of the power supply is ensured by three means of circuit shunting, filtering by the circuit filter 520, voltage conversion by the shunting device 500 and the like through the wiring terminal block.

The heat sink assembly 700 of the system of the present disclosure is described in detail below with continued reference to fig. 3. The heat dissipation assembly 700 may include a plurality of fans, and a plurality of mounting openings are disposed on the bottom plate 150 of the cabinet 100, and each fan is disposed in a corresponding one of the mounting openings. The system 1 may further include a baffle 900, wherein the baffle 900 is disposed between the bifurcating device 500 and the heat dissipating assembly 700, and at least one opening 901 is disposed on the baffle 900, and the opening 901 allows an airflow generated by at least one fan to enter the first compartment 201.

Specifically, the cooling fan blows external cold air into the inside of the cabinet, and enters the middle of the flow guide 900 and the splitter 500 through the opening 901 on the flow guide 900, and the airflow is guided to the back plate 120 through the flow guide 900, then flows upward along the back plate 120, and is discharged through the heat dissipation holes 121 of the back plate 120. The guide plate 900 can be obliquely arranged, and one side of the guide plate, which is close to the cabinet door 110, is lower than one side of the guide plate, which is close to the back plate 120, so that the guide plate 900 can guide the airflow generated by the fan to the vicinity of the back plate 120, the air pressure in the vicinity of the back plate 120 is lower than the air pressure in the vicinity of the cabinet door 110, and the air in the front side flows to the back side through the gaps between the devices in the compartment, so that the airflow can flow in the gaps between the devices, and the heat generated by the devices is taken away.

In some embodiments, the plurality of support plates 820 are hollow in the middle to allow airflow in the second direction within the first compartment 201. In some embodiments, a plurality of heat dissipation holes 121 are formed in the back plate 120 of the cabinet 100, so that the airflow flowing in the compartment is finally dissipated from the plurality of heat dissipation holes 121, and in addition, the heat dissipation holes 121 on the back plate 120 are only distributed at the upper end of the back plate 120, thereby preventing the insufficient heat dissipation capability caused by the airflow loss.

It will be understood that in this specification, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like, indicate an orientation or positional relationship or dimension based on that shown in the drawings, and that such terms are used for convenience of description only and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting to the scope of this application.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

This description provides many different embodiments or examples that can be used to implement the present application. It should be understood that these various embodiments or examples are purely exemplary and are not intended to limit the scope of protection of the present application in any way. Those skilled in the art can conceive of various changes or substitutions based on the disclosure of the specification of the present application, which are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope defined by the appended claims.

Claims

1. A system for magnetic field sensing, comprising:

a cabinet having a storage space formed therein;

the first partition board is arranged in the cabinet and used for dividing the storage space into a first chamber and a second chamber which are arranged along a first direction;

the second partition plate is arranged in the first chamber and used for dividing the first chamber into a first section and a second section which are arranged along a second direction;

a third partition plate disposed in the second compartment, for partitioning the second compartment into a third section and a fourth section arranged along a second direction, wherein the first direction and the second direction are perpendicular to each other, and the first partition plate, the second partition plate, and the third partition plate are made of electromagnetic shielding material;

the magnetic field detection device is arranged in the first interval;

the computing equipment is arranged in the third interval;

the power protection module is arranged in the fourth interval and is used for being connected with an external network power supply;

the shunt device is arranged in the second interval, is respectively and electrically connected with the power supply protection module, the magnetic field detection device and the computing device, and is configured to respectively transmit electric energy of an external network power supply to the magnetic field detection device and the computing device; and

and the heat dissipation assembly is at least partially arranged in the mounting opening of the cabinet wall for limiting the second interval and the mounting opening of the cabinet wall for limiting the fourth interval.

2. The system of claim 1, wherein the magnetic field detection device comprises:

a plurality of sensor controllers arranged in line along the second direction; and

and the data acquisition unit is arranged in an end area of the first interval, which is adjacent to the second interval.

3. The system of claim 2, further comprising:

and the supporting plates are arranged in the first interval in parallel along the second direction, and each supporting plate is used for supporting the corresponding sensor controller or data collector.

4. The system of claim 3, further comprising:

a support frame for seating the plurality of support plates, the support frame comprising:

a plurality of support beams extending along the second direction; and

a plurality of spacers, each spacer having both ends connected to two of the plurality of support beams for supporting the support plate.

5. System according to any one of claims 1 to 4, characterized in that said bifurcating device comprises:

a splitter to split an input of an external power source into a first branch to supply power to the magnetic field detection device and a second branch to supply power to the computing device.

6. The system of claim 5, wherein the bifurcating device further comprises:

and the circuit filter is arranged on the first branch and used for filtering the electric signal transmitted to the magnetic field detection equipment.

7. The system of claim 6, wherein the bifurcating device further comprises:

and the converter is arranged on the first branch and used for converting the input of the electrical signal.

8. The system of any one of claims 1 to 4, wherein the heat dissipation assembly comprises:

at least one fan for conveying air outside the cabinet to the interior of the cabinet.

9. The system of claim 8, further comprising:

the air guide plate is arranged between the branching equipment and the heat dissipation assembly, and at least one opening is formed in the air guide plate and allows airflow generated by the at least one fan to enter the first chamber.

10. The system of claim 9,

the baffle is disposed obliquely relative to the second baffle.

11. The system of claim 3,

the supporting plates are hollow in the middle to allow airflow to flow in the first chamber along the second direction.

12. The system of any one of claims 1 to 4, further comprising:

and the isolation transformer is arranged in the fourth interval and used for isolating the interference of the external network power supply.

13. The system of any one of claims 1 to 4, wherein the power protection module comprises:

the power filter is used for filtering the electric signals input by the external network power supply; and

a fuse configured to automatically blow when the circuit is subjected to an overload voltage.

14. The system of claim 12, further comprising:

and the fourth partition plate is arranged in the fourth interval and used for separating the power protection module from the isolation transformer.