CN218470861U - Composite probe for near-field detection of electromagnetic field - Google Patents
Composite probe for near-field detection of electromagnetic field Download PDFInfo
- Publication number
- CN218470861U CN218470861U CN202222544874.6U CN202222544874U CN218470861U CN 218470861 U CN218470861 U CN 218470861U CN 202222544874 U CN202222544874 U CN 202222544874U CN 218470861 U CN218470861 U CN 218470861U
- Authority
- CN
- China
- Prior art keywords
- detection
- probe
- electromagnetic field
- field
- detection line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a compound probe for electromagnetic field near field detection relates to the electromagnetic field measurement field, include: an electromagnetic field probe for detecting an electromagnetic field signal; the detection rod is positioned below the electromagnetic field probe; the SMA joint is positioned below the detection rod; the detection line connects SMA and connects coil spring, is located one side of detection line, the beneficial effects of the utility model: the exploration line is rolled up, when a longer exploration line is needed, the exploration line is pulled by hands, and after exploration is finished, the exploration line is automatically rolled up, so that near-field exploration on an electromagnetic field of a large-sized part is greatly facilitated.
Description
Technical Field
The utility model relates to an electromagnetic field measurement field specifically is a compound probe for electromagnetic field near field detection.
Background
The near field is a phenomenon that the distance around an object is smaller than the radiation wavelength and is between the object and a transition region of a radiation space, and the approach detection of an electromagnetic field is generally to detect whether a chip or an integrated circuit has a fault or not and radiate the electromagnetic field.
In actual operation, the same electric field probe and the same magnetic field probe are required to respectively detect an interference source, the operation is complicated, and a patent application No. 202011154645.2 discloses a composite probe for electromagnetic field approach detection, wherein a back-to-ground coplanar waveguide is formed by an upper copper foil layer and a lower copper foil layer and a feeder line mechanism, the back-to-ground coplanar waveguide and an electromagnetic probe are respectively and electrically connected to transmit signals, and meanwhile, a middle copper foil layer forms a shielding layer, so that mutual interference of the two signals is effectively prevented, and harmful harmonics generated by a parallel shift mode and a boundary capacitance effect are effectively inhibited in designing an air bridge structure and an over-control fence structure.
However, since the spectrometer has a certain weight, the detected signal is connected to the spectrometer through the detection line for reading, and when some large-sized parts are detected in a near field, the moving of the spectrometer is cumbersome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to solve the problem, a composite probe for near-field detection of electromagnetic fields is provided.
In order to achieve the above purpose, the utility model provides a following technical scheme: a composite probe for near field detection of electromagnetic fields comprising:
an electromagnetic field probe for detecting an electromagnetic field signal;
the detection rod is positioned below the electromagnetic field probe;
the SMA joint is positioned below the detection rod;
probe wire, connecting SMA joint
A coil spring positioned at one side of the detection line;
the utility model discloses a rotary detection device, including coil spring, fixed main shaft, detection line fixed rotating shaft, detection line winding, fixed shell, two backup pads, the centre of two backup pads, the upper and lower fixed mounting respectively of rotary main shaft has spacing shell.
As a further aspect of the present invention: the electromagnetic field probe comprises an electric field probe and a magnetic field probe, the electromagnetic field probe is in the shape of a sphere, the electric field probe is made of metal wires in a circular ring structure, the magnetic field probe is made of metal wires in a T shape, and electromagnetic field detection signals are transmitted inside the detection rod.
As a further aspect of the present invention: the utility model discloses a quick-witted, including rotatory main shaft, one side fixed mounting that the outside fixed mounting of rotatory main shaft has the detection line spacing collar, one side fixed mounting that the detection line spacing collar was kept away from to the fixed pivot of detection line has the plastics double-screw bolt, and one side fixed mounting of plastics double-screw bolt has the silica gel spare, plastics double-screw bolt threaded connection has the detection line locking cap.
As a further aspect of the present invention: and through holes with the same diameter as the diameter of the detection wire are formed in the plastic studs and the silicon rubber pieces.
As a further aspect of the present invention: the inside of detection line locking cap has seted up the screw, and has seted up the through-hole with the junction of screw, the inside through-hole diameter of detection line locking cap is the same with silica gel spare outside diameter.
As a further aspect of the present invention: the spring fixing rotating shaft and the detection line fixing rotating shaft penetrate through the supporting plate.
As a further aspect of the present invention: the inner diameter of the detection wire limiting ring is the same as the diameter of the detection wire.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the exploration wire is wound on the outer side of the rotating main shaft by arranging the spiral spring, the limiting shell, the supporting plate, the rotating main shaft, the spring fixing rotating shaft, the exploration wire limiting ring, the exploration wire fixing rotating shaft, the fixing shell, the exploration wire fixing cap, the plastic stud and the silica gel piece, when a longer exploration wire is needed, the exploration wire is pulled and pulled by hands, and after the exploration is finished, the exploration wire is automatically wound, so that the near-field exploration on the electromagnetic field of a large-sized piece is greatly facilitated;
2. through setting up electric field probe, magnetic field probe, detection stick, SMA joint, electromagnetic field probe, design electric field probe and magnetic field probe respectively in the both sides of ball shape electromagnetic field probe, more make things convenient for near field detection, design an SMA joint simultaneously, pass through the same transmission of gauge wire with two strands of signal lines, the rolling is in the outside of rotating main shaft for it is more convenient to survey.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the installation of the coil spring of the present invention;
FIG. 3 is a schematic structural view of the electric field probe and the magnetic field probe of the present invention;
fig. 4 is a cross-sectional view of the lead wire fixing cap of the present invention;
fig. 5 is an enlarged schematic view of part a of the present invention.
In the figure: 1. an electric field probe; 2. a magnetic field probe; 3. a probing rod; 4. an SMA joint; 5. a detection line; 6. a coil spring; 7. a limiting shell; 8. a support plate; 9. rotating the main shaft; 10. the spring fixes the rotating shaft; 11. a detection wire limiting ring; 12. The detection line fixes the rotating shaft; 13. fixing the housing; 14. a probe wire fixing cap; 15. a plastic stud; 16. a silicone member; 17. An electromagnetic field probe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
As shown in fig. 1 to 4, the composite probe for electromagnetic field near field detection is configured such that a fixing housing 13 is mounted on one side of a support plate 8, a limiting shell 7 and a rotating spindle 9 are mounted between the support plates 8, and the limiting shell 7 can limit a detection wire 5 when the detection wire 5 is wound on the rotating spindle 9. The fixed pivot 10 of spring is fixedly installed to one side that rotatory main shaft 9 is close to fixed shell 13, and the completion of the fixed pivot 12 of detection line is accomplished to the opposite side of rotatory main shaft 9, and the innermost circle of coil spring 6 is fixed in the outside of the fixed pivot 10 of spring, and the terminal fixing on fixed shell 13 inner wall in the outside of coil spring 6, and when rotatory main shaft 9 was rotatory, drive coil spring 6 and the stiff end of the fixed pivot 10 of spring and rotate. When the large-scale part is subjected to near field detection of an electromagnetic field, the electromagnetic field probe 17 is required to perform near detection to find the electromagnetic field radiated by the internal radiation source, but the frequency spectrograph connected with the detection line 5 is heavy, the frequency spectrograph needs to be connected with a power line, and the operation of moving the frequency spectrograph is complex. Through the outside with the rolling of survey line 5 at rotating main shaft 9, when needing longer survey line 5, only need pull survey line 5, and then rotating main shaft 9 rotates, and drive the fixed pivot 10 of spring and the fixed pivot 12 of survey line and rotate, thereby coil spring 6 takes place deformation, after surveying, as long as loosen survey line 5, coil spring 6 resets with the stiff end of the fixed pivot 10 of spring, thereby drive the fixed pivot 10 of spring and the 9 counter rotations of rotating main shaft, the automatic shrink of survey line 5.
The fixed installation of the detection line limiting ring 11 is completed on the outer side of the rotary main shaft 9, the detection line 5 penetrates through the detection line limiting ring 11 to realize limiting, the plastic stud 15 is installed on one side of the detection line fixing rotary shaft 12, as shown in fig. 5, the silica gel piece 16 is installed on one side of the plastic stud 15, the detection line penetrates through the plastic stud 15 and the silica gel piece 16, and the detection line fixing cap 14 is in threaded connection with the plastic stud 15 to complete the fixing of the detection line 5. The detection line fixing cap 14 is internally provided with a screw hole and a through hole, the screw hole is fixedly connected with the thread on the outer side of the plastic stud 15, and the detection line 5 is fixed through the frictional contact between the through hole and the silica gel piece 16.
An electric field probe 1 and a magnetic field probe 2 are respectively arranged on two sides in an electromagnetic field probe 17 of the sphere, the electric field probe 1 is a metal wire with a circular ring structure, the magnetic field probe 2 is a metal wire with a T-shaped structure, the magnetic field detection principle and the electric field detection principle are both based on the prior art, a detection rod 3 is fixedly arranged below the electromagnetic field probe 17, signals detected by the electric field probe 1 and the magnetic field probe 2 are respectively connected with a back-covered coplanar waveguide in the detection rod 3 through electrical connection to realize signal transmission, an SMA connector 4 is designed below the detection rod 3, and the SMA connector 4 is used for transmitting radio frequency signals to external analysis equipment to analyze the radio frequency signals to obtain electric field parameters and magnetic field parameters. One end of the detection wire 5 is connected with the SMA connector 4, and the other end is connected with the frequency spectrograph, so that a detected signal is detected.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A composite probe for near field detection of electromagnetic fields, comprising:
an electromagnetic field probe (17) for detecting an electromagnetic field signal;
the detection rod (3) is positioned below the electromagnetic field probe (17);
the SMA joint (4) is positioned below the detection rod (3);
a detection wire (5) connected with the SMA joint (4)
A coil spring (6) located on one side of the detection line (5);
its characterized in that, inboard one end fixedly connected with spring fixed rotating shaft (10) of coil spring (6), one side fixedly connected with rotary main shaft (9) of coil spring (6) are kept away from in spring fixed rotating shaft (10), and one side fixedly connected with detection line fixed rotating shaft (12) of rotary main shaft (9), detection line (5) rolling is in the outside of detection line fixed rotating shaft (12), terminal fixedly connected with fixed shell (13) in the outside of coil spring (6), there are backup pad (8), two in the both sides of rotary main shaft (9) fixed mounting respectively the centre of backup pad (8), the upper and lower side difference fixed mounting of rotary main shaft (9) has spacing shell (7).
2. The composite probe for the near-field detection of the electromagnetic field according to claim 1, wherein the electromagnetic field probe (17) comprises an electric field probe (1) and a magnetic field probe (2), the electromagnetic field probe (17) is in the shape of a sphere, the electric field probe (1) adopts a metal wire with a circular ring structure, the magnetic field probe (2) adopts a metal wire with a T-shaped structure, and the electromagnetic field detection signal is transmitted inside the detection rod (3).
3. The composite probe for the near-field detection of the electromagnetic field according to claim 1, wherein a detection line limiting ring (11) is fixedly mounted on the outer side of the rotating main shaft (9), a plastic stud (15) is fixedly mounted on one side, away from the detection line limiting ring (11), of the detection line fixing rotating shaft (12), a silica gel piece (16) is fixedly mounted on one side of the plastic stud (15), and a detection line fixing cap (14) is in threaded connection with the plastic stud (15).
4. The composite probe for the near-field detection of the electromagnetic field according to claim 3, wherein through holes with the diameter the same as that of the detection line (5) are formed in the plastic stud (15) and the silicon rubber piece (16).
5. The composite probe for the near-field detection of the electromagnetic field according to claim 1, wherein the probe wire fixing cap (14) is internally provided with a screw hole, a through hole is formed at the joint of the probe wire fixing cap and the screw hole, and the diameter of the through hole in the probe wire fixing cap (14) is the same as the diameter of the outer side of the silica gel piece (16).
6. Composite probe for the near field detection of electromagnetic fields according to claim 1 characterized in that the spring fixed spindle (10) and the detection line fixed spindle (12) both run through the inside of the support plate (8).
7. Composite probe for electromagnetic field near field detection according to claim 1 characterized in that the inner diameter of the wire spacing collar (11) is the same as the diameter of the wire (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222544874.6U CN218470861U (en) | 2022-09-26 | 2022-09-26 | Composite probe for near-field detection of electromagnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222544874.6U CN218470861U (en) | 2022-09-26 | 2022-09-26 | Composite probe for near-field detection of electromagnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218470861U true CN218470861U (en) | 2023-02-10 |
Family
ID=85143907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222544874.6U Active CN218470861U (en) | 2022-09-26 | 2022-09-26 | Composite probe for near-field detection of electromagnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218470861U (en) |
-
2022
- 2022-09-26 CN CN202222544874.6U patent/CN218470861U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205120270U (en) | Wireless detecting system | |
| CN106353579A (en) | Device and method for integrated monitoring of cable current, conductor temperature and internal partial discharge | |
| CN206146997U (en) | Integrated monitoring devices is put in cable electric current, conductor temperature , built -in office | |
| CN105842545A (en) | Three dimensional omnidirectional electromagnetic field probe and electromagnetic detection device | |
| CN218470861U (en) | Composite probe for near-field detection of electromagnetic field | |
| CN206804797U (en) | The extra-high video sensor of external intelligence for GIS partial discharge detection | |
| CN201917634U (en) | Wiring rod for ultrahigh frequency partial discharge detection | |
| CN214252474U (en) | Intelligent sensor for cable partial discharge live detection | |
| CN205691672U (en) | Three-dimensional omnidirectional's emf probe and ipping coil primary means | |
| CN211043557U (en) | Signal coupling antenna for ultrahigh frequency partial discharge sensor and sensor | |
| CN210720637U (en) | Cable joint partial discharge monitoring sensor and cable joint partial discharge monitoring system | |
| CN202916306U (en) | Broadband current test caliper device | |
| CN108535609B (en) | PCB antenna and external acoustic-electric composite sensor for GIS insulation defect detection | |
| CN216595272U (en) | Electronic voltage optical current combined transformer | |
| WO2021013249A1 (en) | Partial discharge detection sensor and manufacturing method therefor | |
| CN210534264U (en) | Partial discharge detection sensor | |
| CN210071169U (en) | LC resonance-based cable intermediate joint temperature measuring device and cable intermediate joint | |
| CN209673940U (en) | Sensor for GIS device defects detection | |
| CN110940377A (en) | Built-in cable joint internal temperature and humidity measuring system | |
| CN111755896A (en) | High-temperature radiation-resistant waterproof TNC cable socket based on PEEK | |
| CN209728057U (en) | A kind of inductance measurement device | |
| CN202119867U (en) | Built-in coupler for measuring GIS partial discharge | |
| CN214427491U (en) | Portable analytical equipment of power equipment based on artificial intelligence | |
| CN218330300U (en) | Cable joint temperature on-line monitoring device | |
| JP2004170172A (en) | Electric field and magnetic field sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |