CN216159898U

CN216159898U - Magnetoelectric sensor capable of working in high-temperature environment

Info

Publication number: CN216159898U
Application number: CN202121268737.3U
Authority: CN
Inventors: 董成彦
Original assignee: Huai'an Yingzhi Electromechanical Co ltd
Current assignee: Huai'an Yingzhi Electromechanical Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-04-01
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to the technical field of magnetoelectric sensors, and discloses a magnetoelectric sensor capable of working in a high-temperature environment. This magnetoelectric sensor that can work in high temperature environment, through pressing down the tight nut of screw-down, it is inside that the tight nut is fixed in the right-hand member of third casing, be located the inside of fixed dog and pressure pad, it warp along with the increase of both ends pressure to glue the piece, thereby it is tight to press from both sides the sensor lead wire that passes through from the center, and simultaneously, the deformation of gluing the piece also outwards expands and compresses tightly with the cavity inner wall of third casing, played, and make wiring boat connecting portion be located the inside of second casing, under the circumstances of sneaking into combustible explosive gas in the third casing has been guaranteed, the sensor lead wire that is connected by the right-hand member of wiring boat connecting portion ignites the back of igniting, the spark of its production can not flee in other casings, can only be in inside from giving birth to going out, thereby the purpose of preventing burning has been reached.

Description

Magnetoelectric sensor capable of working in high-temperature environment

Technical Field

The utility model relates to the technical field of magnetoelectric sensors, in particular to a magnetoelectric sensor capable of working in a high-temperature environment.

Background

The magnetoelectric sensor converts the input motion speed into an induced potential in a coil and outputs the induced potential by utilizing the principle of electromagnetic induction. The sensor directly converts the mechanical energy of a measured object into an electric signal to be output, does not need an external power supply during working, and is a typical passive sensor. The output power of the sensor is large, so that the secondary instrument circuit is greatly simplified.

The traditional magnetoelectric sensor mostly adopts an aviation connector for connecting the sensor with an external lead wire, and does not have the functions of flame resistance, explosion resistance and the like, so that the magnetoelectric sensor capable of working in a high-temperature environment is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the magnetoelectric sensor capable of working in a high-temperature environment, which has the advantages of flame resistance and the like and solves the problem of no flame resistance.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a can be in magnetoelectric sensor of work in high temperature environment, includes first casing, the inside swing joint of first casing has epoxy stopping material one, the inside swing joint of epoxy stopping material one has permanent magnet, the left side of first casing is provided with the probe structure, the right-hand member fixedly connected with second casing of first casing, the inside swing joint of second casing has wiring boat connecting portion, the right-hand member of second casing is provided with connection structure, the inside mounting structure that is provided with of right-hand member of connection structure.

Furthermore, the probe structure includes the probe body, the right-hand member fixed connection of probe body is in the left side of first casing, the inner wall of probe body is seted up flutedly, the inside fixedly connected with winding of recess, the inside swing joint of probe body has the iron core, the inside fixedly connected with epoxy stopping material two in the left side of probe body.

Further, connection structure includes the third casing, the inner wall fixedly connected with of third casing glues the piece, first through-hole has been seted up to the inside of gluing the piece, the right side fixedly connected with of gluing the piece compresses tightly the pad, the bell mouth has been seted up to the inside that compresses tightly the pad, the fixed dog of inside fixedly connected with of third casing, spacing hole has been seted up to the inside of fixed dog.

Further, the mounting structure comprises a compression nut, the compression nut is arranged on the right side of the third shell, a mounting plug is fixedly connected to the left side of the compression nut, a second through hole is formed in the mounting plug, a sensor lead is movably connected to the inside of the second through hole, and a mounting hole is formed in the compression nut.

Further, the inside swing joint of bell mouth has the installation stopper, the inside swing joint of first through-hole has the sensor lead wire, the inside fixed mounting in spacing hole has wiring boat connecting portion.

Furthermore, the inside swing joint of mounting hole has the sensor lead wire, permanent magnet's left end fixed connection has the iron core, the right-hand member fixedly connected with sensor lead wire of wiring boat connecting portion, permanent magnet's right-hand member fixedly connected with wiring boat connecting portion.

The utility model has the beneficial effects that:

1. this magnetoelectric sensor that can work in high temperature environment, through pressing down the tight nut of screw-down, it is inside that the tight nut is fixed in the right-hand member of third casing, be located the inside of fixed dog and pressure pad, it warp along with the increase of both ends pressure to glue the piece, thereby it is tight to press from both sides the sensor lead wire that passes through from the center, and simultaneously, the deformation of gluing the piece also outwards expands and compresses tightly with the cavity inner wall of third casing, played, and make wiring boat connecting portion be located the inside of second casing, under the circumstances of sneaking into combustible explosive gas in the third casing has been guaranteed, the sensor lead wire that is connected by the right-hand member of wiring boat connecting portion ignites the back of igniting, the spark of its production can not flee in other casings, can only be in inside from giving birth to going out, thereby the purpose of preventing burning has been reached.

2. The magnetoelectric sensor capable of working in a high-temperature environment has an explosion-proof function by filling the space between the iron core and the first shell with the epoxy resin filling material I and filling the interior of the probe body with the epoxy resin filling material II, and is used for various industrial occasions with flammable and explosive hazardous gases.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a perspective view of the structure of the present invention;

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

FIG. 3 is a schematic view of the connection structure of the present invention;

fig. 4 is a schematic view of the installation structure of the present invention.

Description of reference numerals: 1. a first housing; 2. filling a first epoxy resin; 3. a permanent magnet; 4. a probe structure; 41. a probe body; 42. a groove; 43. a winding; 44. an iron core; 45. epoxy resin filler II; 5. a second housing; 6. a wire connection aerial connection part; 7. a connecting structure; 71. a third housing; 72. gluing blocks; 73. a first through hole; 74. a compression pad; 75. a tapered hole; 76. fixing a stop block; 77. a limiting hole; 8. a mounting structure; 81. a compression nut; 82. installing a plug; 83. a second through hole; 84. a sensor lead; 85. and (7) installing holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, a magnetoelectric sensor capable of working in a high temperature environment includes a first housing 1, an epoxy resin filler 2 is movably connected inside the first housing 1, a permanent magnet 3 is movably connected inside the epoxy resin filler 2, a probe structure 4 is arranged on the left side of the first housing 1, a second housing 5 is fixedly connected to the right end of the first housing 1, a wiring navigation connection portion 6 is movably connected inside the second housing 5, a connection structure 7 is arranged on the right end of the second housing 5, and a mounting structure 8 is arranged inside the right end of the connection structure 7.

Probe structure 4 includes probe body 41, the right-hand member fixed connection of probe body 41 is in the left side of first casing 1, recess 42 is seted up to the inner wall of probe body 41, the inside fixedly connected with winding 43 of recess 42, the inside swing joint of probe body 41 has iron core 44, the inside fixedly connected with epoxy filler two 45 in the left side of probe body 41, fill epoxy filler one 2 in the space through between iron core 44 and first casing 1, it has epoxy filler two 45 to annotate in the inside of probe body 41, explosion-proof function has all been played, be used for various industrial occasions that have inflammable, explosive hazardous gas to exist.

The connecting structure 7 comprises a third shell 71, a rubber block 72 is fixedly connected to the inner wall of the third shell 71, a first through hole 73 is formed in the rubber block 72, a pressing pad 74 is fixedly connected to the right side of the rubber block 72, a tapered hole 75 is formed in the pressing pad 74, a fixed stop 76 is fixedly connected to the inside of the third shell 71, a limiting hole 77 is formed in the fixed stop 76, a pressing nut 81 is pressed and screwed, the pressing nut 81 is fixed to the inside of the right end of the third shell 71 and is located inside the fixed stop 76 and the pressing pad 74, the rubber block 72 deforms along with the increase of pressure at two ends, so that a sensor lead 84 passing through the center is clamped, meanwhile, the deformation of the rubber block 72 also expands outwards to be pressed against the inner wall of the cavity of the third shell 71, the connecting portion 6 is located inside the second shell 5, and the situation that combustible explosive gas is mixed in the third shell 71 is ensured, after the sensor lead 84 connected with the right end of the wiring navigation connecting part 6 is ignited, the generated sparks cannot jump out of other shells and can only be self-generated and self-extinguished in the shell, so that the purpose of flame resistance is achieved.

The mounting structure 8 includes a compression nut 81, the compression nut 81 is disposed on the right side of the third housing 71, a mounting plug 82 is fixedly connected to the left side of the compression nut 81, a second through hole 83 is disposed in the mounting plug 82, a sensor lead 84 is movably connected to the inside of the second through hole 83, and a mounting hole 85 is disposed in the compression nut 81.

The inside swing joint of bell mouth 75 has installation stopper 82, and the inside swing joint of first through-hole 73 has sensor lead wire 84, and the inside fixed mounting of spacing hole 77 has wiring boat connecting portion 6.

The sensor lead 84 is movably connected inside the mounting hole 85, the iron core 44 is fixedly connected to the left end of the permanent magnet 3, the sensor lead 84 is fixedly connected to the right end of the wiring navigation connecting portion 6, and the wiring navigation connecting portion 6 is fixedly connected to the right end of the permanent magnet 3.

When in use, the compression nut 81 is pressed and screwed, the compression nut 81 is fixed inside the right end of the third shell 71 and is positioned inside the fixed stop 76 and the compression pad 74, the rubber block 72 deforms along with the increase of the pressure at the two ends, so that the sensor lead 84 passing through the center is clamped, meanwhile, the deformation of the rubber block 72 also expands outwards and is pressed against the inner wall of the cavity of the third shell 71, the wiring navigation connecting part 6 is positioned inside the second shell 5, and the purpose of flame prevention is achieved because the spark generated by the sensor lead 84 connected with the right end of the wiring navigation connecting part 6 cannot escape into other shells and can only be automatically generated and extinguished inside under the condition that combustible explosive gas is mixed in the third shell 71, the space between the iron core 44 and the first shell 1 is filled with the epoxy resin filler one 2, the epoxy resin filler two 45 is filled inside the probe body 41, all play the explosion-proof function and are used in various industrial occasions where flammable and explosive dangerous gases exist.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A magnetoelectric sensor operable in a high-temperature environment, comprising a first case (1), characterized in that: the utility model discloses a portable electronic device, including first casing (1), the inside swing joint of first casing (1) has epoxy resin stopping material (2), the inside swing joint of epoxy resin stopping material (2) has permanent magnet (3), the left side of first casing (1) is provided with probe structure (4), the right-hand member fixedly connected with second casing (5) of first casing (1), the inside swing joint of second casing (5) has wiring boat connecting portion (6), the right-hand member of second casing (5) is provided with connection structure (7), the inside mounting structure (8) that is provided with of right-hand member of connection structure (7).

2. The magnetoelectric sensor according to claim 1, wherein: probe structure (4) are including probe body (41), the right-hand member fixed connection of probe body (41) is in the left side of first casing (1), the inner wall of probe body (41) is seted up flutedly (42), the inside fixedly connected with winding (43) of flutedly (42), the inside swing joint of probe body (41) has iron core (44), the inside fixedly connected with epoxy two (45) of left side of probe body (41).

3. The magnetoelectric sensor according to claim 2, wherein: connection structure (7) include third casing (71), inner wall fixedly connected with of third casing (71) glues piece (72), first through-hole (73) have been seted up to the inside of gluing piece (72), the right side fixedly connected with of gluing piece (72) compresses tightly pad (74), bell mouth (75) have been seted up to the inside of compressing tightly pad (74), the inside fixedly connected with fixed stop dog (76) of third casing (71), spacing hole (77) have been seted up to the inside of fixed stop dog (76).

4. A magnetoelectric sensor according to claim 3, wherein: mounting structure (8) include gland nut (81), the right side at third casing (71) is established in gland nut (81), left side fixedly connected with installation stopper (82) of gland nut (81), second through-hole (83) have been seted up to the inside of installation stopper (82), the inside swing joint of second through-hole (83) has sensor lead wire (84), mounting hole (85) have been seted up to the inside of gland nut (81).

5. The magnetoelectric sensor according to claim 4, wherein: the inside swing joint of bell mouth (75) has installation stopper (82), the inside swing joint of first through-hole (73) has sensor lead wire (84), the inside fixed mounting of spacing hole (77) has wiring boat connecting portion (6).

6. The magnetoelectric sensor according to claim 5, wherein: the inside swing joint of mounting hole (85) has sensor lead wire (84), the left end fixedly connected with iron core (44) of permanent magnet (3), the right-hand member fixedly connected with sensor lead wire (84) of wiring boat connecting portion (6), the right-hand member fixedly connected with wiring boat connecting portion (6) of permanent magnet (3).