CN215677090U

CN215677090U - Magnetic sensor protection device

Info

Publication number: CN215677090U
Application number: CN202122215703.4U
Authority: CN
Inventors: 朱怡
Original assignee: Sichuan Huacan Electronic Co ltd
Current assignee: Sichuan Huacan Electronic Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-01-28
Anticipated expiration: 2031-09-13

Abstract

The application provides a magnetic sensor protection device belongs to magnetic sensor technical field. The magnetic sensor protection device comprises a mounting assembly, a damping assembly and a heat dissipation assembly. The mounting assembly comprises an upper cover and a lower cover, the damping assembly comprises a first elastic piece, a mounting seat, a second elastic piece and a magnetic sensor body, the mounting seat is slidably mounted in the upper cover and the lower cover and fixedly connected with a piston end of the first elastic piece, a piston end of the second elastic piece is fixedly connected with an arc-shaped clamping plate, the heat dissipation assembly comprises heat dissipation fins and heat conduction blocks, and the heat conduction blocks are fixedly connected with the tops of the heat dissipation fins. This device can carry out each position buffering shock attenuation to the magnetic sensor body, has effectively cushioned the range of rocking of magnetic sensor body, can make inside gas circulation and inside thermal derivation simultaneously, and then makes the temperature steady between upper cover and the lower cover, prevents that inside high temperature from causing negative effects.

Description

Magnetic sensor protection device

Technical Field

The application relates to the field of magnetic sensors, in particular to a magnetic sensor protection device.

Background

The magnetic sensor is a device which converts the magnetic property change of a sensitive element caused by external factors such as magnetic field, current, stress strain, temperature, light and the like into an electric signal to detect corresponding physical quantity in this way, and the magnetic sensor is widely used in modern industry and electronic products to sense the magnetic field intensity to measure physical parameters such as current, position, direction and the like. At present, magnetic sensor protection device can not carry out diversified buffering shock attenuation to magnetic sensor, and the inside radiating effect of protection device is not good simultaneously, can influence magnetic sensor's use if the high temperature.

SUMMERY OF THE UTILITY MODEL

In order to compensate for above not enough, the application provides a magnetic sensor protection device, aims at improving protection device and can not diversely cushion the not good problem of shock attenuation and radiating effect.

The embodiment of the application provides a magnetic sensor protection device, which comprises an installation assembly, a damping assembly and a heat dissipation assembly.

The mounting assembly comprises an upper cover and a lower cover, the upper cover is detachably mounted on the lower cover, circulation holes are formed in the surfaces of the upper cover and the lower cover, a mounting groove is formed in the bottom of the lower cover, heat dissipation holes are formed in the side wall of the lower cover, and the heat dissipation holes are communicated with the mounting groove.

Damping component is including first elastic component, mount pad, second elastic component and magnetic sensor body, first elastic component install in the interior top of upper cover with the internal surface of lower cover, mount pad slidable mounting in the upper cover with in the lower cover and with the piston end fixed connection of first elastic component, the second elastic component install in the inner wall of mount pad, the piston end fixed connection of second elastic component has the arc splint, the magnetic sensor body install in the mount pad and pass through the arc splint are fixed.

The heat dissipation assembly comprises heat dissipation fins and a heat conduction block, the heat dissipation fins are arranged in the mounting grooves, the heat conduction block is fixedly connected to the tops of the heat dissipation fins, and one end of the heat conduction block extends into the lower cover.

In the implementation process, the installation seat, the first elastic piece and the second elastic piece are arranged, so that the magnetic sensor can be subjected to buffering and shock absorption at each position, meanwhile, through the arrangement of the heat conduction block, the heat dissipation fins, the first elastic piece and the mounting seat, the heat conduction block can lead out the internal heat and dissipate the heat through the heat dissipation fins, meanwhile, when the transverse movement is used for buffering and damping, the first elastic piece drives the mounting seat to contract and reset, and the inner space between the upper cover and the lower cover generates negative pressure circularly through the movement of the mounting seat, thereby fully circulating the internal and external air, through the arrangement, the device can buffer and damp the magnetic sensor body in each direction, effectively buffer the shaking amplitude of the magnetic sensor body, simultaneously can lead the internal air to circulate and lead out the internal heat, thereby stabilizing the temperature between the upper cover and the lower cover and preventing the negative influence caused by overhigh internal temperature.

In a specific embodiment, the bottom of upper cover is provided with the inserted bar, the groove has been seted up to the one end of inserted bar, accomodate the inner wall in groove and install first spring, accomodate inslot slidable mounting has the gag lever post, gag lever post fixed connection in the one end of first spring, the L shape groove has been seted up to the one end of lower cover, L shape groove one end slides and runs through there is the ejector pin, the second spring is installed to the one end in L shape groove, the one end fixed cup of second spring connect in the outer wall of ejector pin.

In the implementation process, the upper cover and the lower cover are conveniently disassembled and assembled through the arrangement of the inserted rod, the accommodating groove, the first spring, the limiting rod, the L-shaped groove, the ejector rod and the second spring.

In a specific embodiment, a protective layer is fixedly connected to one side of the arc-shaped clamping plate.

In the implementation process, the arc-shaped clamping plate plays a role in protection when clamping the magnetic sensor body through the arrangement of the protective layer.

In a specific embodiment, the upper cover and the bottom surface of the mounting seat above the upper cover are both provided with wire grooves.

In the implementation process, the wire can be conveniently led out through the wire groove.

In a specific implementation scheme, the second elastic member includes a limiting post, a third spring and a piston rod, the limiting post is mounted on the inner wall of the mounting seat, the third spring is mounted in the limiting post, one end of the piston rod is slidably inserted into the limiting post and is fixedly connected with one end of the third spring, the arc-shaped clamping plate is fixedly connected to one end of the piston rod, and the second elastic member and the first elastic member have the same structure.

In the implementation process, the arc-shaped clamping plate is elastically supported by the arrangement of the limiting column, the third spring and the piston rod.

In a specific embodiment, one end of the piston rod is fixedly connected with a limiting block, and the limiting block is in limiting fit with the limiting column.

In the implementation process, the piston rod is prevented from being separated from the limiting column through the arrangement of the limiting block.

In a specific embodiment, a ventilation screen plate is arranged on the inner top of the installation groove.

In the implementation process, the ventilation screen plate is arranged, so that the mounting groove is isolated, and the heat dissipation effect is not influenced.

In a specific embodiment, one end of the lower cover is provided with a sealing ring, and the sealing ring is fixedly connected to one end of the lower cover.

In the implementation process, the sealing ring is arranged, so that the sealing effect is achieved when the upper cover and the lower cover are installed.

In a specific embodiment, a sliding block is fixedly connected to a side wall of the mounting seat, sliding grooves are formed in inner walls of the upper cover and the lower cover, and the sliding block is slidably mounted in the sliding grooves.

In the implementation process, the sliding groove and the sliding block are arranged, so that the mounting seat can move in a limiting manner when the mounting seat shakes.

In a specific embodiment, the outer walls of the slider and the mounting seat are provided with sealing layers.

In the implementation process, the sealing layer is arranged, so that the gap between the mounting seat and the upper cover and the gap between the mounting seat and the lower cover are sealed, and the gap between the sliding block and the sliding groove is sealed.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a magnetic sensor protection device provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a magnetic sensor protection device according to an embodiment of the present disclosure from another view angle;

fig. 3 is a schematic structural view of a second elastic member according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of an arc splint according to an embodiment of the present disclosure;

FIG. 5 is an enlarged view of the location A in FIG. 1 according to an embodiment of the present disclosure;

fig. 6 is an enlarged view of a position B in fig. 1 according to an embodiment of the present disclosure.

In the figure: 100-mounting the assembly; 110-an upper cover; 111-circulation holes; 112-a plunger; 113-a receiving groove; 114-a first spring; 115-a stop lever; 116-a chute; 117-wire chase; 120-lower cover; 121-mounting grooves; 1211-ventilating screen plate; 122-heat dissipation holes; 123-L-shaped grooves; 124-a top rod; 125-a second spring; 126-sealing ring; 200-a shock absorbing assembly; 210-a first resilient member; 220-a mounting seat; 221-a slider; 222-a sealing layer; 230-a second elastic member; 231-an arc splint; 2311-a protective layer; 232-limiting column; 233-a third spring; 234-a piston rod; 235-a limiting block; 240-a magnetic sensor body; 300-a heat sink assembly; 310-heat dissipation fins; 320-heat conducting block.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a magnetic sensor protection device, which includes a mounting assembly 100, a damping assembly 200, and a heat dissipation assembly 300.

Referring to fig. 1, 2, 5 and 6, the mounting assembly 100 includes an upper cover 110 and a lower cover 120, the upper cover 110 is detachably mounted on the lower cover 120, an insertion rod 112 is disposed at the bottom of the upper cover 110, an accommodating groove 113 is disposed at one end of the insertion rod 112, a first spring 114 is disposed on an inner wall of the accommodating groove 113, a limiting rod 115 is slidably mounted in the accommodating groove 113, the limiting rod 115 is fixedly connected to one end of the first spring 114, an L-shaped groove 123 is disposed at one end of the lower cover 120, a top rod 124 slidably penetrates through one end of the L-shaped groove 123, a second spring 125 is mounted at one end of the L-shaped groove 123, one end of the second spring 125 is fixedly connected to an outer wall of the top rod 124, in this embodiment, the upper cover 110 and the lower cover 120 are conveniently detached and mounted through the arrangement of the insertion rod 112, the accommodating groove 113, the first spring 114, the limiting rod 115, the L-shaped groove 123, the top rod 124 and the second spring 125, a circular hole 111 is disposed on the surfaces of the upper cover 110 and the lower cover 120, wire casing 117 has all been seted up on the bottom surface of mount pad 220 of upper cover 110 and top, it needs to explain, through the setting of wire casing 117, it is convenient in wearing out of wire, mounting groove 121 has been seted up to the bottom of lower cover 120, ventilation otter board 1211 is installed at the interior top of mounting groove 121, it needs to explain, through the setting of ventilation otter board 1211, play the effect of keeping apart to mounting groove 121, do not influence radiating effect simultaneously, louvre 122 has been seted up to the lateral wall of lower cover 120, louvre 122 communicates in mounting groove 121, the one end of lower cover 120 is provided with sealing washer 126, sealing washer 126 fixed connection is in the one end of lower cover 120, when specifically setting up, through the setting of sealing washer 126, when installing upper cover 110 and lower cover 120, play sealed effect.

Referring to fig. 1, 3, 4 and 6, the damper assembly 200 includes a first elastic member 210, a mounting seat 220, a second elastic member 230 and a magnetic sensor body 240, the first elastic member 210 is installed on the inner top of the upper cover 110 and the inner surface of the lower cover 120, the mounting seat 220 is slidably installed in the upper cover 110 and the lower cover 120 and fixedly connected to the piston end of the first elastic member 210, the side wall of the mounting seat 220 is fixedly connected to a sliding block 221, the inner walls of the upper cover 110 and the lower cover 120 are provided with a sliding slot 116, the sliding block 221 is slidably installed in the sliding slot 116, in this embodiment, through the arrangement of the sliding slot 116 and the sliding block 221, when the slider is shaken, the movement of the mounting seat 220 is limited, the outer walls of the sliding block 221 and the mounting seat 220 are both provided with a sealing layer 222, in this application, through the arrangement of the sealing layer 222, the gap between the mounting seat 220 and the upper cover 110 and the lower cover 120 is sealed, the gap between the sliding block 221 and the sliding groove 116 is sealed, the second elastic member 230 is installed on the inner wall of the installation seat 220, the piston end of the second elastic member 230 is fixedly connected with the arc-shaped clamping plate 231, the second elastic member 230 comprises a limiting column 232, a third spring 233 and a piston rod 234, the limiting column 232 is installed on the inner wall of the installation seat 220, the third spring 233 is installed in the limiting column 232, one end of the piston rod 234 is inserted in the limiting column 232 in a sliding manner and is fixedly connected with one end of the third spring 233, the arc-shaped clamping plate 231 is fixedly connected with one end of the piston rod 234, the second elastic member 230 is identical in structure with the first elastic member 210, in the application, the limiting column 232, the third spring 233 and the piston rod 234 are arranged to play an elastic supporting role for the arc-shaped clamping plate 231, one end of the piston rod 234 is fixedly connected with the limiting block 235, the limiting block 235 is in limiting fit with the limiting column 232, through the setting of stopper 235, prevent that piston rod 234 from breaking away from in the spacing post 232, one side fixedly connected with inoxidizing coating 2311 of arc splint 231 when specifically setting up, through inoxidizing coating 2311's setting, plays the effect of protection when arc splint 231 carries out the centre gripping to magnetic sensor body 240, and magnetic sensor body 240 installs in mount pad 220 and fixes through arc splint 231.

Referring to fig. 1, the heat dissipation assembly 300 includes heat dissipation fins 310 and a heat conduction block 320, the heat dissipation fins 310 are installed in the installation grooves 121, the heat conduction block 320 is fixedly connected to the tops of the heat dissipation fins 310, and one end of the heat conduction block 320 extends into the lower cover 120.

The working principle of the magnetic sensor protection device is as follows: when the magnetic sensor body 240 shakes due to environmental influences, the second elastic member 230 can buffer the lateral shake of the magnetic sensor body 240, thereby reducing the shaking amplitude of the magnetic sensor, and simultaneously buffering the vertical shaking of the magnetic sensor body 240 through the first elastic member 210, when the vertical shaking is buffered, because the mounting base 220 slides with the upper cover 110 and the lower cover 120 in a sealing manner, when the mounting base 220 drives the first elastic member 210 to contract, the space between the upper cover 110 and the lower cover 120 is enlarged to generate negative pressure to suck external air into the interior, when the mounting base 220 is reset under the supporting force of the first elastic member 210, the internal space between the upper cover 110 and the lower cover 120 is compressed, and then the gas is discharged, the gas circulation flow is completed, and meanwhile, the internal heat is conducted out and transmitted to the radiating fins 310 through the heat conducting block 320, so that the radiating effect is further improved.

It should be noted that the specific model specification of the magnetic sensor body 240 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the magnetic sensor body 240 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A magnetic sensor protection device is characterized by comprising

The mounting assembly (100) comprises an upper cover (110) and a lower cover (120), the upper cover (110) is detachably mounted on the lower cover (120), circulation holes (111) are formed in the surfaces of the upper cover (110) and the lower cover (120), a mounting groove (121) is formed in the bottom of the lower cover (120), heat dissipation holes (122) are formed in the side wall of the lower cover (120), and the heat dissipation holes (122) are communicated with the mounting groove (121);

the shock absorption assembly (200) comprises a first elastic piece (210), a mounting seat (220), a second elastic piece (230) and a magnetic sensor body (240), wherein the first elastic piece (210) is mounted on the inner top of the upper cover (110) and the inner surface of the lower cover (120), the mounting seat (220) is slidably mounted in the upper cover (110) and the lower cover (120) and fixedly connected with a piston end of the first elastic piece (210), the second elastic piece (230) is mounted on the inner wall of the mounting seat (220), an arc-shaped clamping plate (231) is fixedly connected with the piston end of the second elastic piece (230), and the magnetic sensor body (240) is mounted in the mounting seat (220) and fixed through the arc-shaped clamping plate (231);

the heat dissipation assembly (300) comprises heat dissipation fins (310) and heat conduction blocks (320), the heat dissipation fins (310) are installed in the installation grooves (121), the heat conduction blocks (320) are fixedly connected to the tops of the heat dissipation fins (310), and one ends of the heat conduction blocks (320) extend into the lower cover (120).

2. The magnetic sensor protection device according to claim 1, wherein an insertion rod (112) is disposed at the bottom of the upper cover (110), a receiving groove (113) is formed at one end of the insertion rod (112), a first spring (114) is mounted on an inner wall of the receiving groove (113), a limiting rod (115) is slidably mounted in the receiving groove (113), the limiting rod (115) is fixedly connected to one end of the first spring (114), an L-shaped groove (123) is formed at one end of the lower cover (120), a top rod (124) penetrates through one end of the L-shaped groove (123) in a sliding manner, a second spring (125) is mounted at one end of the L-shaped groove (123), and one end of the second spring (125) is fixedly sleeved on an outer wall of the top rod (124).

3. The magnetic sensor protector according to claim 2, characterized by a shield (2311) fixedly attached to one side of the arc clamp plate (231).

4. The magnetic sensor protector according to claim 1, wherein the top cover (110) and the top mount (220) each have a slot (117) formed in a bottom surface thereof.

5. The magnetic sensor protection device according to claim 1, wherein the second elastic member (230) comprises a limiting post (232), a third spring (233) and a piston rod (234), the limiting post (232) is mounted on an inner wall of the mounting seat (220), the third spring (233) is mounted in the limiting post (232), one end of the piston rod (234) is slidably inserted into the limiting post (232) and fixedly connected with one end of the third spring (233), the arc-shaped clamping plate (231) is fixedly connected to one end of the piston rod (234), and the second elastic member (230) and the first elastic member (210) have the same structure.

6. The magnetic sensor protection device according to claim 5, wherein a limit block (235) is fixedly connected to one end of the piston rod (234), and the limit block (235) is in limit fit with the limit post (232).

7. The magnetic sensor protector of claim 1, wherein a ventilation screen (1211) is mounted on the top of the mounting groove (121).

8. The magnetic sensor protector of claim 1, wherein the lower cover (120) is provided with a sealing ring (126) at one end, and the sealing ring (126) is fixedly connected to one end of the lower cover (120).

9. The magnetic sensor protection device according to claim 1, wherein a sliding block (221) is fixedly connected to a side wall of the mounting base (220), a sliding groove (116) is formed in inner walls of the upper cover (110) and the lower cover (120), and the sliding block (221) is slidably mounted in the sliding groove (116).

10. A magnetic sensor protection device according to claim 9, characterized in that the outer walls of the slider (221) and the mounting seat (220) are provided with a sealing layer (222).