CN215397377U

CN215397377U - Electromagnetic shielding lead core device of sensor for rail transit

Info

Publication number: CN215397377U
Application number: CN202121669391.8U
Authority: CN
Inventors: 刘亚军
Original assignee: Zhuzhou Hexin Mould Co ltd
Current assignee: Zhuzhou Hexin Mould Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-04
Anticipated expiration: 2031-07-21

Abstract

The utility model belongs to the technical field of sensors, and relates to a lead core device of a sensor electromagnetic shield for rail transit, which comprises a shell, a cover body and a sensor body, wherein adsorption magnets are arranged at the front end and the rear end of the shell, the cover body is arranged at the right side of the shell, two binding posts are fixedly connected at the left end of the cover body, a spring is fixedly connected at the right end in the cover body, one end, far away from the cover body, of the spring is fixedly connected with a metal contact piece, an equipment bin is arranged at the left side in the cover body, a processor is arranged in the equipment bin, the processor is respectively and electrically connected with the binding posts and the metal contact piece, a battery bin is arranged at the right side in the shell, a button battery is arranged in the battery bin, a battery cover is fixedly clamped at the right end of the shell, and the sensor body is arranged in the shell; this device adopts double-deck lead-shell to make, can have the influence that shields external electromagnetic field and electromagnetic wave caused to the sensor precision, and can play effectual protection to the sensor, increase of service life can adapt the not sensor of equidimension simultaneously and use, has promoted the commonality of device.

Description

Electromagnetic shielding lead core device of sensor for rail transit

Technical Field

The utility model belongs to the technical field of sensors, and particularly relates to a lead core device for electromagnetic shielding of a sensor for rail transit.

Background

Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of train and railway technologies, rail transit presents more and more types, is not only spread over long-distance land transportation, but also widely applied to middle and short-distance urban public transportation, and various sensors are required to be applied to monitoring vehicle operation information in rail transit.

Traditional sensor mostly is bare leaking in the external world, receives electromagnetic interference easily, and temperature and noise also can influence the sensor precision to damage easily, shorten the life of sensor, cause the incident.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lead core device for electromagnetic shielding of a sensor for rail transit, which is used for solving the problems.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an electromagnetic shielding lead core device of a sensor for rail transit, which comprises a shell, a cover body and a sensor body, wherein adsorption magnets are arranged at the front end and the rear end of the shell, the right side of the shell is provided with the cover body, the left end of the cover body is fixedly connected with two binding posts, the right end in the cover body is fixedly connected with a spring, one end, far away from the cover body, of the spring is fixedly connected with a metal contact piece, the left side in the cover body is provided with an equipment bin, a processor is arranged in the equipment bin and is respectively and electrically connected with the binding posts and the metal contact piece, the right side in the shell is provided with a battery bin, a button battery is arranged in the battery bin, the right end of the shell is fixedly clamped with a battery cover, and the sensor body is arranged in the shell.

As a preferred technical scheme of the utility model, the top of the cover body is provided with a working indicator light, a buzzer, a liquid crystal display screen and an adjusting key, so that the working condition of the sensor can be conveniently observed, data can be adjusted, and meanwhile, sound and light alarm can be carried out when the outgoing line is abnormal.

According to the preferable technical scheme, the right end of the cover body is provided with the spiral connector, the corresponding threads are formed in the left side in the shell, and the rubber sealing gasket is fixedly bonded at the right end of the shell, so that the device is convenient to mount and the sealing performance of the device is improved.

According to a preferable technical scheme of the utility model, the shell comprises an inner lead shell and an outer lead shell, a heat insulation cotton layer is arranged on the inner side of the outer lead shell, an electromagnetic shielding net layer is arranged on the inner side of the heat insulation cotton layer, a sound absorption cotton layer is arranged on the inner side of the electromagnetic shielding net layer, a sound insulation board layer is arranged on the inner side of the sound absorption cotton layer, a cushioning cotton layer is arranged on the inner side of the sound insulation board layer, a waterproof layer is arranged on the inner side of the cushioning cotton layer, and a plurality of sound absorption holes are formed in the sound absorption cotton layer.

As a preferred technical scheme of the utility model, the sensor body is respectively electrically connected with the metal contact piece and the button battery, and the outer side of the sensor body can be sleeved with the adapting ring, so that the sensors with different sizes can be conveniently placed.

The utility model has the following beneficial effects: this device adopts double-deck lead shell to make, can have the influence that shields external electromagnetic field and electromagnetic wave caused to the sensor precision, and can play effectual protection, increase of service life to the sensor through the design of the cotton layer of heat preservation, inhale the cotton layer of sound, sound insulation sheet layer, the cotton layer of bradyseism and waterproof layer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

fig. 4 is a sectional view of the case and the cover in the present invention.

In the figure: 1. a housing; 2. a cover body; 3. adsorbing a magnet; 4. a binding post; 5. a screw connector; 6. a rubber gasket; 7. a spring; 8. a metal contact piece; 9. an equipment bin; 10. a processor; 11. a battery compartment; 12. a button cell; 13. a battery cover; 14. an inner lead shell; 15. an outer lead shell; 16. a heat insulation cotton layer; 17. an electromagnetic shielding mesh layer; 18. a sound absorbing cotton layer; 19. a sound insulation board layer; 20. a cushioning cotton layer; 21. a waterproof layer; 22. a sound absorption hole; 23. a sensor body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, a lead core device of sensor electromagnetic shield for track traffic, including casing 1, lid 2 and sensor body 23, casing 1 front and back end all is equipped with adsorption magnet 3, casing 1 right side is equipped with lid 2, lid 2 left end fixedly connected with two terminals 4, right-hand member fixedly connected with spring 7 in the

lid

2, 2 one end fixedly connected with metal contact piece 8 of lid are kept away from to spring 7, equipment compartment 9 has been seted up on the left side in the lid 2, be equipped with treater 10 in the equipment compartment 9, treater 10 respectively with terminal 4 and metal contact piece 8 electric connection, battery compartment 11 has been seted up on the right side in casing 1, be equipped with button cell 12 in the battery compartment 11, casing 1 right-hand member fixed joint has battery cover 13, be equipped with sensor body 23 in the casing 1.

A working indicator lamp, a buzzer, a liquid crystal display screen and an adjusting button are arranged at the top of the cover body 2, so that the working condition of the sensor can be conveniently observed, data can be adjusted, and meanwhile, sound and light alarm can be carried out when the outgoing line is abnormal; the right end of the cover body 2 is provided with a spiral connector 5, the left side in the shell 1 is provided with corresponding threads, and the right end of the shell 1 is fixedly bonded with a rubber sealing gasket 6, so that the device is convenient to mount and the sealing performance of the device is improved; the shell 1 comprises an inner lead shell 14 and an outer lead shell 15, wherein a heat insulation cotton layer 16 is arranged on the inner side of the outer lead shell 15, an electromagnetic shielding net layer 17 is arranged on the inner side of the heat insulation cotton layer 16, a sound absorption cotton layer 18 is arranged on the inner side of the electromagnetic shielding net layer 17, a sound insulation plate layer 19 is arranged on the inner side of the sound absorption cotton layer 18, a cushioning cotton layer 20 is arranged on the inner side of the sound insulation plate layer 19, a waterproof layer 21 is arranged on the inner side of the cushioning cotton layer 20, and a plurality of sound absorption holes 22 are formed in the sound absorption cotton layer 18; sensor body 23 respectively with metal contact piece 8 and button cell 12 electric connection, the adaptation circle can be established to the cover in the sensor body 23 outside, conveniently places the sensor of equidimension not.

Specifically, when the sensor is used, the cover body 2 is taken down by screwing the spiral connector 5, a proper adaptive ring is sleeved outside the sensor according to the size of the sensor, the sensor is placed in the shell 1, wiring is carried out through the wiring terminal 4, and parameters are set through adjusting keys and the liquid crystal display screen after wiring is finished, so that the sensor can be used; this device adopts double-deck lead casing to make, can have the influence that shields external electromagnetic field and electromagnetic wave caused to the sensor precision, and can play effectual protection, increase of service life to the sensor through the design of the cotton layer 16 of heat preservation, inhale the cotton layer 18 of sound, sound insulation sheet layer 19, the cotton layer 20 of bradyseism and waterproof layer 21.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lead core device of sensor electromagnetic shield for track traffic, includes casing (1), lid (2) and sensor body (23), its characterized in that: the front end and the rear end of the shell (1) are respectively provided with an adsorption magnet (3), the right side of the shell (1) is provided with a cover body (2), the left end of the cover body (2) is fixedly connected with two binding posts (4), the right end in the cover body (2) is fixedly connected with a spring (7), one end of the spring (7) far away from the cover body (2) is fixedly connected with a metal contact sheet (8), an equipment bin (9) is arranged at the left side in the cover body (2), a processor (10) is arranged in the equipment bin (9), the processor (10) is respectively electrically connected with the binding post (4) and the metal contact sheet (8), a battery bin (11) is arranged at the right side in the shell (1), a button battery (12) is arranged in the battery bin (11), the sensor is characterized in that a battery cover (13) is fixedly clamped at the right end of the shell (1), and a sensor body (23) is arranged in the shell (1).

2. The lead core device of the electromagnetic shielding of the sensor for the rail transit as claimed in claim 1, wherein: and a working indicator lamp, a buzzer, a liquid crystal display screen and an adjusting button are arranged at the top of the cover body (2).

3. The lead core device of the electromagnetic shielding of the sensor for the rail transit as claimed in claim 1, wherein: the spiral connector (5) is arranged at the right end of the cover body (2), corresponding threads are arranged on the left side in the shell (1), and a rubber sealing gasket (6) is fixedly bonded at the right end of the shell (1).

4. The lead core device of the electromagnetic shielding of the sensor for the rail transit as claimed in claim 1, wherein: casing (1) is including interior lead casing (14) and outer lead casing (15), outer lead casing (15) inboard is equipped with heat preservation cotton layer (16), heat preservation cotton layer (16) inboard is equipped with electromagnetic shielding stratum reticulare (17), electromagnetic shielding stratum reticulare (17) inboard is equipped with inhales cotton layer (18) of sound, it is equipped with sound insulation sheet layer (19) to inhale cotton layer (18) inboard of sound, sound insulation sheet layer (19) inboard is equipped with bradyseism cotton layer (20), bradyseism cotton layer (20) inboard is equipped with waterproof layer (21), it has seted up a plurality of sound holes (22) of inhaling on the cotton layer (18) to inhale the sound.

5. The lead core device of the electromagnetic shielding of the sensor for the rail transit as claimed in claim 1, wherein: the sensor body (23) is electrically connected with the metal contact piece (8) and the button battery (12) respectively, and the outer side of the sensor body (23) can be sleeved with the adapting ring.