CN218349519U

CN218349519U - Anti-interference electromagnetic field sensor probe

Info

Publication number: CN218349519U
Application number: CN202222870103.6U
Authority: CN
Inventors: 高昊; 刘利华; 余良英; 刘波
Original assignee: Wuhan Bihai Yuntian Technology Co ltd
Current assignee: Wuhan Bihai Yuntian Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-20
Anticipated expiration: 2032-10-26

Abstract

The utility model provides an anti-interference electromagnetic field sensor probe, relate to sensor technical field, including sensor main part and probe main part, the inside bottom surface of sensor main part is equipped with coupling spring, probe main part bottom surface is equipped with connecting sleeve, the connecting sleeve bottom surface is connected with the connecting spring top surface, be equipped with the wire between probe main part outer wall and the inner wall, the connection of wire bottom is equipped with the circular telegram wire, circular telegram wire bottom and the inside electric connection of sensor main part, probe main part accessible connecting spring's shrink pushes down probe main part to the inside storage of sensor main part when not detecting the use, prevent that probe main part from receiving external magnetic field interference and physical damage when not using, protect probe main part, sensor main part is inside to be connected with probe main part through connecting spring, probe main part is inside to set up winding wire and to be connected with the circular telegram wire, make the wire circular telegram produce the little magnetic field and combine together with the shielding layer on sensor main part surface and realize whole anti-electromagnetic field interference's effect.

Description

Anti-interference electromagnetic field sensor probe

Technical Field

The utility model relates to a sensor technology field especially relates to an anti-interference electromagnetic field sensor probe.

Background

According to the temperature sensor disclosed in the Chinese patent No. CN211824802U, the temperature sensor comprises a shell, an optical fiber sheath, a fiber filament, an optical fiber sleeve and an optical fiber Bragg grating, wherein the left side of the optical fiber Bragg grating is provided with the rest parts of a grid region part, the grid region part is positioned in the shell, the optical fiber penetrates through the optical fiber sleeve, a layer of the fiber filament is arranged outside the optical fiber sleeve, the fiber filament is wrapped by the optical fiber sheath, the temperature sensor has the advantages of simple and reliable structure and the like, the environmental adaptability is excellent, the temperature sensor can normally work for a long time in the environment of a strong electromagnetic field and the like, the temperature sensor is corrosion-resistant and moisture-resistant, meanwhile, a sensing signal is a central wavelength value modulated by the optical fiber Bragg grating, and the temperature sensor can realize remote measurement due to a non-intensity value.

The above-mentioned comparison documents and the prior art have the following technical problems:

1. the sensor probe which is used at any time and measured at any time is exposed to the outside air after actual measurement is finished, and is easily interfered by an external electromagnetic field and physically impacted, so that the service life and the precision of the sensor probe are reduced;

2. the single shielding coating cannot shield the external electromagnetic field with larger intensity, which is not beneficial to practical use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the shielding effect is not good and the sensor probe is difficult for retrieving among the prior art, and the anti-interference electromagnetic field sensor probe that proposes.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides an anti-interference electromagnetic field sensor probe, includes sensor main part and probe main part, the inside bottom surface of sensor main part is equipped with coupling spring, probe main part bottom surface is equipped with connecting sleeve, the connecting sleeve bottom surface is connected with the connecting spring top surface, be equipped with the wire between probe main part outer wall and the inner wall, the connection of wire bottom is equipped with the circular telegram wire, circular telegram wire bottom and the inside electric connection of sensor main part.

Preferably, an I-shaped limiting groove is formed in the top surface of the sensor main body, an elastic rubber ring is embedded in the I-shaped limiting groove in a clamped mode, and the inner wall of the elastic rubber ring abuts against the outer wall of the connecting sleeve.

Preferably, the connecting sleeve and the probe body are integrally formed, the reflecting grooves are formed in the outer portion of the connecting sleeve and are distributed in a linear uniform array mode along the surface of the probe body.

Preferably, the outer wall and the inner wall of the sensor main body are both coated with shielding coatings, the thickness of each shielding coating is 2mm +/-10%, and the sensor main body and the probe main body are both of spherical structures.

Preferably, the connecting sleeve penetrates through the top surface of the sensor body, and the electrifying lead penetrates through the bottom surface of the connecting sleeve.

Preferably, the vertical central line of the sensor body and the vertical central line of the probe body are coincident with each other, and the metal wire is wound in a cavity between the inner wall and the outer wall of the probe body in a rotating mode.

Preferably, the bottom end of the probe main body is electrically connected with the inner wall of the sensor main body through a connecting sleeve, and the outer surface of the probe main body is polished by sand paper.

Advantageous effects

The utility model discloses in, adopt sensor main part top surface to pass through connecting sleeve and be connected with probe main part, probe main part accessible coupling spring's shrink pushes down probe main part to sensor main part inside when not detecting the use and saves, prevents that probe main part from receiving external magnetic field interference and physical damage when not using, protects probe main part.

The utility model discloses in, adopt the sensor main part inside to be connected with the probe main part through connecting spring, the inside winding wire that sets up of probe main part is connected with the circular telegram wire, makes the wire circular telegram produce the effect that little magnetic field and sensor main part surperficial shielding layer combined together realization whole anti-electromagnetic field disturbed.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is an internal structure diagram of the present invention;

FIG. 3 is a perspective view of the present invention;

fig. 4 is a view of the connecting sleeve split structure of the present invention.

Illustration of the drawings:

1. a sensor body; 2. a probe body; 3. a connecting sleeve; 4. a metal wire; 5. a power-on wire; 6. a connecting spring; 7. an elastic rubber ring; 8. a reflective trough; 9. an I-shaped limiting groove.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-4, an anti-interference electromagnetic field sensor probe comprises a sensor body 1 and a probe body 2, a connecting spring 6 is arranged on the bottom surface inside the sensor body 1, a connecting sleeve 3 is arranged on the bottom surface of the probe body 2, and each element for transmitting an electric signal, such as a signal receiving element and a signal feedback element, is arranged inside the whole sensor body 1 and is used for receiving and transmitting condition data of the external environment detected by the probe body 2 in real time, so that the sensor body 1 can display the value detected by the probe body 2 in real time.

When probe main part 2 uses, whole device realizes shielded effect through the circular telegram of wire 4 and the shielding layer of sensor main part 1, because connecting sleeve 3 bottom surface is connected with coupling spring 6 top surface, be equipped with wire 4 between probe main part 2 outer wall and the inner wall, the connection of wire 4 bottom is equipped with circular telegram wire 5, wire 4 is when the in-service use, 4 threaded winding within ranges of wire are equipped with the magnetic coating with probe main part 2 surface basic position coating, form the simple and easy structure that wire 4 formed the magnetic field around the material that has magnetism, circular telegram wire 5 bottom and the inside electric connection of sensor main part 1, and then probe main part 2 is when carrying out anti external electromagnetic field shielding use, power through circular telegram wire 5 tip inserts, circular telegram wire 4, the impact anti-interference effect to external electromagnetic field is realized to unique magnetic field of probe main part 2 that produces.

When the probe body 2 is not used, the probe body 2 is contracted to be stored in the sensor body 1, at the moment, the anti-interference use of an external electromagnetic field is carried out through the shielding coatings of the inner wall and the outer wall of the sensor body 1, the top surface of the sensor body 1 is provided with an I-shaped limiting groove 9, the elastic rubber ring 7 is embedded in the I-shaped limiting groove 9 in a clamping manner, the inner wall of the elastic rubber ring 7 abuts against the outer wall of the connecting sleeve 3, the outer wall and the inner wall of the sensor body 1 are both coated with the shielding coatings, the thickness of the shielding coatings is 2mm, the sensor body 1 and the probe body 2 are both of a spherical structure, the elastic rubber ring 7 is arranged to seal the connecting position where the connecting sleeve 3 is connected with the sensor body 1, dust or water stain is prevented from entering the sensor body 1, when the probe body 2 is recycled and used, the probe body 2 is pressed, the probe body 2 and the connecting sleeve 3 move downwards, at the moment, the connecting spring 6 contracts, the probe body 2 is continuously pressed to the inside of the sensor body 1, when the probe body 2 is contacted with the elastic rubber ring 7, the elastic rubber ring 7 is propped open, the probe body 2 can conveniently, the probe body 2 can enter the inside of the sensor body 1, the probe body 2, the external force of the external force is limited by the elastic rubber ring 7, and the elastic rubber ring 7 is convenient recycling of the probe body 2, and the probe body 2, so that the probe body can be conveniently.

Other structures in the whole device do, connecting sleeve 3 and probe main part 2 adopt integrated into one piece, 3 outsides of connecting sleeve are equipped with reflection tank 8, and reflection tank 8 is along 2 surperficial sharp uniform array distributions in probe main part, connecting sleeve 3 runs through with 1 top surface of sensor main part, circular telegram wire 5 runs through the vertical central line of sensor main part 1 and coincides mutually with the vertical central line of probe main part 2 with 3 bottom surfaces of connecting sleeve, 4 rotatory windings of wire are arranged in the cavity between 2 inner walls of probe main part and the outer wall, 2 bottoms of probe main part are through connecting

sleeve

3 and 1 inner wall electric connection of sensor main part, 2 external surfaces of probe main part all adopt abrasive paper to polish and handle.

The second embodiment is as follows:

referring to fig. 1-4, the inner wall and the outer wall of the probe body 2 can be coated with shielding coatings to shield the interference of the external electromagnetic field, after the inner wall and the outer wall of the probe body 2 are coated with the shielding coatings, the metal wire 4 and the shielding layers can be simultaneously used for shielding, or the shielding of the external electromagnetic field can be directly carried out by the shielding layers under the condition that the metal wire 4 is not electrified, the electrified metal wire 4 is generally suitable for shielding the interference of a stronger electromagnetic field, and the shielding coatings are generally used for shielding when the electromagnetic field is weak.

The third concrete embodiment:

referring to fig. 1-4, a power supply structure is arranged inside the sensor main body 1 and connected with an electrifying wire 5 for supplying power, and the outer wall of the sensor main body 1 can be formed by assembling a photovoltaic circuit board for supplying power to the inside of the sensor main body 1.

The fourth concrete embodiment:

referring to fig. 1 to 4, the sensor body 1 is directly connected to the probe body 2 through a signal receiving element or directly through a wire line, and is used for receiving and transmitting external signals detected by the probe body 2, and the connection circuit structure of the sensor body 1 and the probe body 2 can be set according to the above functional structure.

The fifth concrete embodiment:

referring to fig. 1-4, the specific type of the sensor body 1 is not limited to the application of the sensor body 1, such as temperature, humidity, light sensitivity, liquid level, etc., the detection value corresponding to the probe body 2 corresponds to the function, for example, when the whole device is used as a temperature sensor, the probe body 2 is used for detecting temperature, and the sensor body 1 receives and displays the detected temperature parameter of the probe body 2 in a feedback manner.

In summary, the following steps:

1. adopt sensor body 1 top surface to be connected with probe body 2 through connecting sleeve 3, probe body 2 accessible connecting spring 6's shrink pushes down probe body 2 to sensor body 1 inside when not detecting the use and saves, prevents that probe body 2 from receiving external magnetic field interference and physical damage when not using, protects probe body 2.

2. The sensor body 1 is connected with the probe body 2 through the connecting spring 6, the wound metal wire 4 is arranged in the probe body 2 and connected with the electrifying conducting wire 5, so that the metal wire 4 is electrified to generate a micro magnetic field, and the micro magnetic field is combined with a shielding layer on the surface of the sensor body 1 to realize the whole anti-electromagnetic field interference effect.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An anti-interference electromagnetic field sensor probe, includes sensor main part (1) and probe main part (2), its characterized in that: sensor main part (1) and probe main part (2) are spherical structure, the inside bottom surface of sensor main part (1) is equipped with connecting spring (6), probe main part (2) bottom surface is equipped with connecting sleeve (3), connecting sleeve (3) bottom surface is connected with connecting spring (6) top surface, be equipped with wire (4) between probe main part (2) outer wall and the inner wall, wire (4) bottom is connected and is equipped with circular telegram wire (5), circular telegram wire (5) bottom and sensor main part (1) inside electric connection, connecting sleeve (3) outside is equipped with reflex groove (8), and reflex groove (8) along probe main part (2) surface straight line uniform array distribution.

2. A tamper resistant electromagnetic field sensor probe as recited in claim 1, wherein: the sensor is characterized in that an I-shaped limiting groove (9) is formed in the top surface of the sensor main body (1), an elastic rubber ring (7) is embedded in the I-shaped limiting groove (9) in a clamped mode, and the inner wall of the elastic rubber ring (7) is abutted to the outer wall of the connecting sleeve (3).

3. A tamper-resistant electromagnetic field sensor probe according to claim 1, wherein: the connecting sleeve (3) and the probe body (2) are integrally formed.

4. A tamper-resistant electromagnetic field sensor probe according to claim 1, wherein: the outer wall and the inner wall of the sensor main body (1) are coated with shielding coatings, and the thickness of each shielding coating is 2mm +/-10%.

5. A tamper-resistant electromagnetic field sensor probe according to claim 1, wherein: the connecting sleeve (3) penetrates through the top surface of the sensor main body (1), and the electrifying lead (5) penetrates through the bottom surface of the connecting sleeve (3).

6. A tamper resistant electromagnetic field sensor probe as recited in claim 1, wherein: the vertical central line of the sensor main body (1) and the vertical central line of the probe main body (2) are mutually overlapped, and the metal wire (4) is wound in a cavity between the inner wall and the outer wall of the probe main body (2) in a rotating mode.

7. A tamper resistant electromagnetic field sensor probe as recited in claim 1, wherein: probe main part (2) bottom is through connecting sleeve (3) and sensor main part (1) inner wall electric connection, probe main part (2) external surface all adopts abrasive paper to polish and handles.