CN212748030U

CN212748030U - Vibration sensor

Info

Publication number: CN212748030U
Application number: CN202021857542.8U
Authority: CN
Inventors: 阳金华; 左彭; 黄超
Original assignee: Shenzhen Dayu Technology Co ltd
Current assignee: Shenzhen Dayu Technology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-19
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a vibration sensor belongs to sensor technical field. A vibration sensor comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a shell, the inner bottom of the shell is fixedly connected with a base, the top in the shell is elastically connected with a mass block corresponding to the base through a first spring, the corresponding surfaces of the mass block and the base are fixedly connected with electric conductors, a guide sliding device is arranged between the mass block and the inner wall of the shell, the outer wall of the shell is fixedly connected with a plurality of uniformly distributed annular heat dissipation plates, and the outer wall of the shell is provided with a continuous heat dissipation device matched with the annular heat dissipation plates; the utility model discloses the heat that the long-time operation of sensor that can significantly reduce sent to higher heat dispersion in addition, thereby promoted the life of sensor.

Description

Vibration sensor

Technical Field

The utility model relates to a sensor technical field especially relates to a vibration sensor.

Background

With the high-speed development of information technology and the wide application of computer technology, developed countries increasingly attach importance to the synchronous development of information acquisition means from the middle of the 70 s of the 20 th century, and the sensor application technology is one of the important foundations of modern measurement and control system engineering.

Through the retrieval, chinese patent is granted No. CN208688649U, discloses a vibration sensor, including the casing, connect the base in the middle of the bottom of casing, connect first electric conductor on the base, all connect the support bolster in the bottom symmetry both sides of casing, connect first spring at the top in the casing, connect the quality piece at the lower extreme of first spring, connect the second electric conductor in the below of quality piece, the second electric conductor with first electric conductor corresponds the setting, all connect the spliced pole on the mutual symmetrical both sides face of quality piece, all connect correspondingly in the below of every spliced pole the upper end of support bolster, connect the bottom plate in the below of casing. The utility model has the advantages that: the utility model discloses simple structure makes the second electric conductor take place up-and-down motion through the vibration, makes the circuit intercommunication frequency between second electric conductor and the first electric conductor judge the vibration frequency of measurand object, and internally mounted buffer has effectively slowed down the influence of vibrations to the sensor moreover. The vibration sensor in the above patent has the following disadvantages: after the sensor is used for a long time, the sliding block and the guide groove generate heat due to high-frequency friction, so that the sliding resistance of the sliding block is increased, and the accuracy of the sensor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that vibration sensor generates heat easily for long-time use among the prior art, and the vibration sensor who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vibration sensor, includes the bottom plate, the upper end fixedly connected with casing of bottom plate, the interior bottom fixedly connected with base of casing, the top has the quality piece that corresponds with the base position through first spring elastic connection in the casing, the equal fixedly connected with electric conductor of corresponding face of quality piece and base, be equipped with direction slider between the inner wall of quality piece and casing, a plurality of evenly distributed's of outer wall fixedly connected with annular heating panel of casing, the outer wall of casing be equipped with annular heating panel complex last heat abstractor.

Preferably, the guiding and sliding device comprises guiding grooves arranged on the inner wall of the periphery of the shell, four sliding blocks and four connecting columns are arranged inside the guiding grooves, the side walls of the sliding blocks are provided with idler wheels which are abutted against the inner wall of the guiding grooves, the sliding blocks are fixedly connected with the mass block through the connecting columns, and the sliding blocks are elastically connected with the inner bottom of the guiding grooves through the second springs.

Preferably, last heat abstractor establishes the first drum at a plurality of annular heating panel outer walls including the cover, the left and right sides of first drum is equipped with air inlet duct and air-out groove respectively, the left side of first drum sets up the second drum that corresponds with air inlet duct position, fixed mounting has radiator fan in the second drum, pass through rubber hose fixed connection and intercommunication between second drum and the air inlet duct, the second drum passes through damper and is connected with the bottom plate.

Preferably, the damping mechanism comprises a buffering sleeve fixedly connected to the upper end of the bottom plate, a supporting rod is slidably connected to the inner wall of the upper end of the buffering sleeve, the supporting rod is fixedly connected to the lower end of the second cylinder, and the supporting rod is elastically connected to the inner bottom of the buffering sleeve through a third spring.

Preferably, the left ends of the air outlet groove and the second cylinder are both fixedly provided with dust screens.

Preferably, the heat dissipation fan is a silent fan.

Compared with the prior art, the utility model provides a vibration sensor possesses following beneficial effect:

1. this vibrations sensor, at the gliding in-process of quality piece downwards, the quality piece can drive the sliding block through the spliced pole and slide downwards in the guide way, the guide way can be effectually prescribe a limit to the position of quality piece with the sliding block, and the gyro wheel of sliding block lateral wall then can reduce and the guide way between the frictional resistance, thereby make the precision of sensor higher, and reduce the heat that produces when sliding block and guide way slide, and the second spring then can cushion the vibrations that the quality piece received.

2. This vibrations sensor, at the gliding in-process of crossing of sliding block, the sliding block passes through the casing conduction with the heat that the slip produced and gives annular heating panel, and radiator fan then can blow the intake stack, the heat that the cooling wind can be on the annular heating panel is discharged from the air-out groove, thereby realize the good heat dissipation of casing, rubber hose can cushion the vibrations that radiator fan sent, and bracing piece and third spring then can further cushion the vibrations that radiator fan sent, prevent that vibrations from causing detection error to the sensor.

Drawings

Fig. 1 is a schematic structural diagram of a vibration sensor according to the present invention;

fig. 2 is a schematic structural diagram of a portion a in fig. 1 of a vibration sensor according to the present invention;

fig. 3 is a schematic structural diagram of a vibration sensor shown in fig. 1 at B.

In the figure: 1. a base plate; 2. a housing; 3. a base; 4. a mass block; 5. an electrical conductor; 6. a first spring; 7. a guide groove; 8. a slider; 9. connecting columns; 10. a roller; 11. a second spring; 12. an annular heat dissipation plate; 13. a first cylinder; 14. an air inlet groove; 15. an air outlet groove; 16. a second cylinder; 17. a heat radiation fan; 18. a dust screen; 19. a rubber hose; 20. a buffer sleeve; 21. a support bar; 22. and a third spring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, a vibration sensor comprises a base plate 1, a housing 2 is fixedly connected to the upper end of the base plate 1, a base 3 is fixedly connected to the inner bottom of the housing 2, a mass block 4 corresponding to the base 3 is elastically connected to the inner top of the housing 2 through a first spring 6, electric conductors 5 are fixedly connected to the corresponding surfaces of the mass block 4 and the base 3, a guiding sliding device is arranged between the mass block 4 and the inner wall of the housing 2, the guiding sliding device comprises guiding grooves 7 arranged on the inner wall of the periphery of the housing 2, sliding blocks 8 are arranged inside the four guiding grooves 7, rollers 10 abutting against the inner wall of the guiding grooves 7 are arranged on the side walls of the four sliding blocks 8, the four sliding blocks 8 are fixedly connected to the mass block 4 through connecting posts 9, the four sliding blocks 8 are elastically connected to the inner bottom of the guiding grooves 7 through second springs 11, and in the process that the mass, quality piece 4 can drive sliding block 8 through spliced pole 9 and slide down in guide way 7, guide way 7 can be effectual prescribe a limit to the position of quality piece 4 with sliding block 8, and the gyro wheel 10 of sliding block 8 lateral wall then can reduce and the guide way 7 between the frictional resistance, thereby make the precision of sensor higher, and reduce the heat that produces when sliding block 8 and guide way 7 slide, and second spring 11 then can cushion the vibrations that quality piece 4 received.

The outer wall of the shell 2 is fixedly connected with a plurality of evenly distributed annular heat dissipation plates 12, the outer wall of the shell 2 is provided with a continuous heat dissipation device matched with the annular heat dissipation plates 12, the continuous heat dissipation device comprises a first cylinder 13 sleeved on the outer walls of the annular heat dissipation plates 12, the left side and the right side of the first cylinder 13 are respectively provided with an air inlet groove 14 and an air outlet groove 15, the left side of the first cylinder 13 is provided with a second cylinder 16 corresponding to the air inlet groove 14, a heat dissipation fan 17 is fixedly installed in the second cylinder 16, the heat dissipation fan 17 is a silent fan, the second cylinder 16 is fixedly connected and communicated with the air inlet groove 14 through a rubber hose 19, the second cylinder 16 is connected with the bottom plate 1 through a damping mechanism, in the sliding process of the sliding block 8, the sliding block 8 conducts heat generated by sliding to the annular heat dissipation plates 12 through the shell 2, and the heat dissipation fan 17 blows air to, the heat dissipating wind discharges the heat of the annular heat dissipating plate 12 from the air outlet slot 15, so that the housing 2 can dissipate heat well, and the rubber hose 19 can buffer the vibration generated by the heat dissipating fan 17.

Damper includes buffer sleeve 20 of fixed connection in bottom plate 1 upper end, and buffer sleeve 20's upper end inner wall sliding connection has bracing piece 21, the lower extreme fixed connection of bracing piece 21 and second drum 16, through third spring 22 elastic connection between bracing piece 21 and buffer sleeve 20's the interior bottom, bracing piece 21 and third spring 22 can further cushion the vibrations that radiator fan 17 sent, prevent that vibrations from causing detection error to the sensor.

The left ends of the air outlet groove 15 and the second cylinder 16 are both fixedly provided with a dust screen 18.

The working principle is as follows: in the utility model, in the using process, the mass block 4 can elastically slide downwards due to the vibration of the device, so that the two electric conductors 5 are contacted with each other to trigger an electric signal, the principle is the same as that of a comparison file, in the downward sliding process of the mass block 4, the mass block 4 can drive the sliding block 8 to slide downwards in the guide groove 7 through the connecting column 9, the guide groove 7 and the sliding block 8 can effectively limit the position of the mass block 4, the roller 10 on the side wall of the sliding block 8 can reduce the frictional resistance between the roller and the guide groove 7, so that the precision of the sensor is higher, the heat generated when the sliding block 8 slides with the guide groove 7 is reduced, the second spring 11 can buffer the vibration received by the mass block 4, and in the sliding process of the sliding block 8, the heat generated by the sliding block 8 is conducted to the annular heat dissipation plate 12 through the shell 2, the heat dissipation fan 17 blows air to the air inlet slot 14, the heat on the annular heat dissipation plate 12 is discharged from the air outlet slot 15 by the heat dissipation air, so that good heat dissipation of the housing 2 is achieved, the rubber hose 19 can buffer the vibration emitted by the heat dissipation fan 17, and the support rod 21 and the third spring 22 can further buffer the vibration emitted by the heat dissipation fan 17, so as to prevent the sensor from being subjected to detection errors due to the vibration.

The above, 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

1. The utility model provides a vibration sensor, includes bottom plate (1), its characterized in that, the upper end fixedly connected with casing (2) of bottom plate (1), the interior bottom fixedly connected with base (3) of casing (2), the top has quality piece (4) that correspond with base (3) position through first spring (6) elastic connection in casing (2), quality piece (4) and the equal fixedly connected with electric conductor (5) of the corresponding face of base (3), be equipped with direction slider between the inner wall of quality piece (4) and casing (2), the outer wall fixedly connected with a plurality of evenly distributed's of annular heating panel (12) of casing (2), the outer wall of casing (2) is equipped with and lasts heat abstractor with annular heating panel (12) complex.

2. A shock sensor according to claim 1, characterized in that the guiding and sliding means comprise guiding grooves (7) arranged on the inner walls of the periphery of the housing (2), four sliding blocks (8) are arranged inside each of the guiding grooves (7), the side walls of each of the four sliding blocks (8) are provided with rollers (10) which abut against the inner walls of the guiding grooves (7), the four sliding blocks (8) are fixedly connected with the mass block (4) through connecting columns (9), and the four sliding blocks (8) are elastically connected with the inner bottom of the guiding grooves (7) through second springs (11).

3. The vibration sensor according to claim 1, wherein the continuous heat dissipation device comprises a first cylinder (13) sleeved on the outer walls of the plurality of annular heat dissipation plates (12), the left side and the right side of the first cylinder (13) are respectively provided with an air inlet groove (14) and an air outlet groove (15), the left side of the first cylinder (13) is provided with a second cylinder (16) corresponding to the position of the air inlet groove (14), a heat dissipation fan (17) is fixedly installed in the second cylinder (16), the second cylinder (16) is fixedly connected and communicated with the air inlet groove (14) through a rubber hose (19), and the second cylinder (16) is connected with the base plate (1) through a damping mechanism.

4. A shock sensor according to claim 3, wherein the shock absorbing mechanism comprises a buffer sleeve (20) fixedly connected to the upper end of the bottom plate (1), a support rod (21) is slidably connected to the inner wall of the upper end of the buffer sleeve (20), the support rod (21) is fixedly connected to the lower end of the second cylinder (16), and the support rod (21) is elastically connected to the inner bottom of the buffer sleeve (20) through a third spring (22).

5. A vibration sensor according to claim 3, characterized in that the dust screen (18) is fixedly mounted at both the left end of the air outlet groove (15) and the left end of the second cylinder (16).

6. A shock sensor according to claim 3, characterised in that the heat-dissipating fan (17) is a silent fan.