CN108572701A - Embedded industrial computer - Google Patents

Abstract

The present invention relates to built-in industrial computers, including：One shell (10) comprising：One detachable mounting plate (12) and a head cover (115), it is parallel with detachable mounting plate (12)；One hard disk (20) is located in the shell (10) and is parallel to the detachable mounting plate (12)；One mounting bracket (30) is fixedly connected by a plurality of columns (31) with the head cover (115), and the mounting bracket (30) is parallel to the head cover (115)；With a damper mechanism (40), wherein the hard disk (20) is connect by the damper mechanism (40) with the mounting bracket (30)；Wherein, the damper mechanism (40) realizes the vibration damping of full degree of freedom by cylindricality wirerope or strip steel disc.

Description

Embedded industrial computer

technical field

The invention relates to the technical field of industrial computers, in particular to embedded industrial computers.

Background technique

Industrial Personal Computer (IPC), or industrial computer, that is, industrial control computer, is a general term for tools that use a bus structure to detect and control production processes, electromechanical equipment, and process equipment. The industrial computer has important computer attributes and characteristics, such as computer CPU, hard disk, memory, peripherals and interfaces, as well as operating system, control network and protocol, computing power, and friendly man-machine interface.

Embedded industrial computer, or box PC (Box PC) is a widely used industrial computer. Embedded industrial computers are usually installed on a DIN rail or wall, equipment casing and other objects. When in use, the embedded industrial computer is in a harsh vibration environment, and the hard drive (Hard Drive Disk, HDD for short) in it receives a strong shock. The anti-vibration of hard disk is an important research topic. Chinese patent application documents CN 201489822 U and CN 201285656Y disclose the anti-vibration technology of the hard disk in the prior art.

Contents of the invention

One of the purposes of the present invention is to provide an embedded industrial computer, the hard disk of which has a simple anti-vibration structure, convenient installation and good anti-vibration effect.

One aspect of the present invention provides an embedded industrial computer, comprising:

A housing, which includes:

a removable mounting plate, and

a top cover parallel to the removable mounting plate;

a hard disk, which is located in the casing and parallel to the detachable mounting plate;

a mounting bracket, which is fixedly connected to the top cover through a plurality of columns, and the mounting bracket is parallel to the top cover; and

A vibration damping mechanism, wherein the hard disk is fixedly connected to the mounting bracket through the vibration damping mechanism;

Among them, the vibration damping mechanism realizes vibration damping with full degrees of freedom through cylindrical steel cables or strip steel sheets.

The embedded industrial computer realizes full-degree-of-freedom vibration reduction through a cylindrical steel cable or a long steel sheet, and has a simple structure, convenient installation, and good shock resistance.

In a schematic implementation of the embedded industrial computer, the vibration damping mechanism includes four vibration damping units, which are respectively fixed at the four corners of the hard disk, and each vibration damping unit includes:

A first connector, fixedly connected to the hard disk, including a first through hole and a second through hole parallel to the hard disk;

A second connecting piece, which is fixedly connected to the mounting bracket, includes a third through hole and a fourth through hole parallel to the mounting bracket, wherein the first through hole is perpendicular to the third through hole; and

A cylindrical steel cable, which successively passes through the first through hole, the third through hole, the second through hole and the fourth through hole, wherein the cylindrical steel cable includes a four parts of the same length.

The installation between the cylindrical steel cable and the first connecting piece and the second connecting piece is simple. A single cylindrical steel cable is bent in the first direction, the second direction and the third direction, which realizes all-round stiffness and damping, reduces the natural frequency of the hard disk, and reduces the vibration of the hard disk in the high frequency range. Its structure It is simple, and can achieve vibration reduction in all degrees of freedom, and has a good vibration reduction effect.

In another exemplary embodiment of the embedded industrial computer, the first through holes in two adjacent vibration damping units are perpendicular to each other. The elasticity of the entire damping mechanism in the second direction and the third direction is more uniform, reducing the difference in shock resistance performance of the damping mechanism in the second direction and the third direction.

In another exemplary embodiment of the embedded industrial computer, the diameter of the cylindrical steel cable is 0.8 mm-1.6 mm, and the length of the part of the cylindrical steel cable between the first connector and the second connector is 30mm-40mm, the distance between the first connecting piece and the second connecting piece is 18mm-25mm, the distance between the first through hole and the second through hole and the distance between the third through hole and the fourth through hole The distance between them is equal and is 6mm-10mm, the lengths of the first through hole, the third through hole, the second through hole and the fourth through hole are all 10mm-15mm, and the mass of the hard disk is 35g-500g . When the parameters of each component of the vibration damping mechanism take the above range, the vibration damping effect is very obvious.

In yet another exemplary embodiment of the embedded industrial computer, the distance between adjacent vibration-damping units is 40 mm-80 mm, and the materials of the first connector and the second connector of each vibration-damping unit are the same for aluminum. The distance between adjacent damping units is moderate, which is convenient for installation and improves the isotropy of the seismic performance. The aluminum connecting piece is light in weight, which reduces the impact of the connecting piece itself on the seismic performance.

In yet another exemplary embodiment of the embedded industrial computer, the vibration damping mechanism includes:

A hard disk installation plate, which is fixedly connected with the hard disk, wherein the hard disk is located between the hard disk installation plate and the installation bracket,

An annular elastic arm, which includes a long strip steel plate surrounding the side of the hard disk, and is installed and connected with the hard disk mounting plate,

A first arcuate elastic arm, which includes a strip-shaped steel plate bent towards the annular elastic arm, the two ends of the first arcuate elastic arm are fixedly connected to the mounting bracket, and the middle part of the first arcuate elastic arm is fixedly connected to the annular elastic arm; and

A second arcuate elastic arm, which includes a strip-shaped steel plate bent towards the annular elastic arm, the two ends of the second arcuate elastic arm are fixedly connected to the mounting bracket, and the middle part of the second arcuate elastic arm is fixedly connected to the annular elastic arm;

Wherein, the first arcuate elastic arm and the second arcuate elastic arm are parallel and respectively located on opposite sides of the annular elastic arm.

The installation among the annular elastic arm, the first arcuate elastic arm and the second arcuate elastic arm is simple. The ring-shaped elastic arm, the first bow-shaped elastic arm and the second bow-shaped elastic arm can bend in the first direction, the second direction and the third direction, that is, realize all-round stiffness and damping, reduce the natural frequency of the hard disk, and reduce the For vibration in the high-frequency band, the structure is simple, and vibration reduction can be realized in all degrees of freedom, and the vibration reduction effect is good.

In yet another exemplary embodiment of the embedded industrial computer, the hard disk installation board includes:

a mounting plate main body, which is parallel to the hard disk,

a first extension, which extends vertically from the main body of the mounting plate to the side of the hard disk, and

A second extension, which extends vertically from the main body of the mounting plate to the side of the hard disk, and the first extension and the second extension are respectively located on opposite sides of the hard disk;

The ring spring arm consists of:

a first elastic arm segment that loops from the first extension to the second extension, and

a second elastic arm section, which circles from the first extension to the second extension,

Wherein, the first elastic arm section and the second elastic arm section are respectively located on opposite sides of the hard disk, the first elastic arm section and the second elastic arm section are installed and connected with the first extension part, and the first elastic arm section and the second elastic arm section The segment is mounted in connection with the second extension. The hard disk mounting plate and the annular elastic arm have a simple structure and are easy to install.

In yet another exemplary embodiment of the embedded industrial computer, the embedded industrial computer also includes:

Two first fasteners, the first elastic arm section and the second elastic arm section are installed and connected with the first extension part through the first fastener, and each first fastener includes a first screw and a first a rubber ring disposed on the inner side of the first screw, and

Two second fasteners, the first elastic arm section and the second elastic arm section are installed and connected with the second extension part through the second fastener, and each second fastener includes a second screw and a second The rubber ring is arranged on the inner side of the second screw. The first rubber ring and the second rubber ring do not limit the degree of freedom of rotation of the hard disk, and can weaken the vibration response of the three degrees of freedom of rotation.

In yet another exemplary embodiment of the embedded industrial computer, the vibration damping mechanism includes:

A third extension part, which extends from the middle part of the first arcuate elastic arm toward the first elastic arm segment, and is mounted and connected with the first elastic arm segment;

A fourth extending portion extends from the middle of the second arcuate elastic arm toward the second elastic arm segment, and is mounted and connected with the second elastic arm segment. The first arcuate elastic arm is installed and connected with the first elastic arm section through the third extension part, and the second arcuate elastic arm is installed and connected with the second elastic arm section through the fourth extension part, the connection structure is simple and the installation is convenient.

In yet another exemplary embodiment of the embedded industrial computer, the thickness of the annular elastic arm, the first arcuate elastic arm, the second arcuate elastic arm, the third extension and the fourth extension is 0.2mm-0.6mm. The elongated steel sheet of this thickness has good vibration damping performance.

Description of drawings

The above characteristics, technical features, advantages and implementation methods of the present invention will be further described in a clear and understandable manner through the description of the preferred embodiment and in conjunction with the accompanying drawings, wherein:

Fig. 1 is a schematic diagram of the three-dimensional structure of an embedded industrial computer provided by an embodiment of the present invention;

Fig. 2 is the vibration response curve in the first direction of the embedded industrial computer provided by an embodiment of the present invention;

Fig. 3 is the vibration response curve in the second direction of the embedded industrial computer provided by an embodiment of the present invention;

Fig. 4 is the vibration response curve of the embedded industrial computer provided by an embodiment of the present invention in the third direction;

Fig. 5 is a schematic diagram of the three-dimensional structure of an embedded industrial computer provided by an embodiment of the present invention.

Label description:

10 housing

11 Case body

111 First side wall

112 Second side wall

113 Third side wall

114 fourth side wall

115 top cover

12 Removable mounting plate

20 hard drives

30 Mounting bracket

31 columns

40 Vibration damping mechanism

41 Damping unit

42 First connector

421 First through hole

422 Second through hole

43 Second connector

431 Third through hole

432 Fourth through hole

44 HDD mounting plate

440 Mounting plate body

441 First Extension

442 Second extension

45 ring elastic arm

451 First elastic arm section

452 Second elastic arm section

46 First bow-shaped elastic arm

461 Third extension

47 Second bow elastic arm

471 The Fourth Extension

50 Column Steel Cable

61 first fastener

611 First screw

612 The first rubber ring

62 Second Fastener

D1 first direction

D2 second direction

D3 third direction

L11, L21, L31, L41, L51, L61, L71, L81, L91 Environmental vibration excitation curve

L12, L22, L32, L42, L52, L62, L72, L82, L92 vibration response curves

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

The figures discussed below and the various embodiments used to describe the principles of the disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the disclosure. Those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged device. The various innovative teachings of the present application will be described with reference to exemplary, non-limiting embodiments.

In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

In order to make the drawing concise, each drawing only schematically shows the parts related to the present invention, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked.

In this application document, "parallel" includes absolute parallel and substantially parallel within an error range; "perpendicular" includes absolute perpendicular and substantially perpendicular within an error range.

In this application document, the shapes of the detachable mounting plate, top cover, hard disk, mounting bracket, elongated steel plate, mounting plate main body, first extension, second extension, third extension, fourth extension, etc. Both length and width are greater than thickness. The face formed by the length and width is larger than the other faces. In this application document, the detachable mounting plate, top cover, hard disk, mounting bracket, strip-shaped steel plate, mounting plate main body, first extension, second extension, third extension, fourth extension, etc. A part is "parallel" or "perpendicular" in the sense that the plane formed by its length and width is "parallel" or "perpendicular" to other parts. The detachable mounting plate, the top cover, the hard disk, the mounting bracket, the long steel plate, the main body of the mounting plate, the first extension, the second extension, the third extension, the fourth extension, etc. are “parallel” or "Perpendicular" means "parallel" or "perpendicular" to the planes formed by the length and width of each other.

The invention provides an embedded industrial computer, including:

A housing, which includes:

a removable mounting plate, and

a top cover parallel to the removable mounting plate;

a hard disk, which is located in the casing and parallel to the detachable mounting plate;

a mounting bracket, which is fixedly connected to the top cover through a plurality of columns, and the mounting bracket is parallel to the top cover; and

A vibration damping mechanism, wherein the hard disk is connected to the mounting bracket through the vibration damping mechanism;

Among them, the vibration damping mechanism realizes vibration damping with full degrees of freedom through cylindrical steel cables or strip steel sheets.

FIG. 1 is a schematic diagram of the three-dimensional structure of an embedded industrial computer provided by an embodiment of the present invention. As can be seen from FIG. 1 , the embedded industrial computer includes: a casing 10 , a hard disk 20 , a mounting bracket 30 and a shock absorbing mechanism 40 .

The housing 10 includes a housing main body 11 and a detachable mounting plate 12 . The housing main body 11 has an opening (not marked), which matches with the detachable mounting plate 12 . The detachable mounting plate 12 is mounted together with the casing main body 11 through the opening. The housing body 11 includes a first side wall 111 , a second side wall 112 , a third side wall 113 , a fourth side wall 114 , and a top cover 115 . The first side wall 111 , the second side wall 112 , the third side wall 113 and the fourth side wall 114 are sequentially connected end to end to form the opening. The top cover 115 is adjacent to the first side wall 111 , the second side wall 112 , the third side wall 113 and the fourth side wall 114 and is opposite to the opening. The top cover 115 is parallel to the detachable mounting plate 12 .

The hard disk 20 is located in the casing 10 and parallel to the detachable mounting plate 12 . The shape of the hard disk 20 is that the top surface and the bottom surface are much larger than the four sides. The parallelism and perpendicularity between the hard disk and other components in this application document refer to the parallelism and perpendicularity between the top surface or the bottom surface of the hard disk and other components. The direction perpendicular to the hard disk 20 is a first direction D1, and the directions parallel to the hard disk 20 are a second direction D2 and a third direction D3. The second direction D2 is perpendicular to the third direction D3. In an exemplary embodiment, the first direction D1 is the thickness direction of the hard disk, the second direction D2 is the length direction of the hard disk, and the third direction D3 is the width direction of the hard disk.

The mounting bracket 30 is fixedly connected to the top cover 115 through a plurality of columns 31 . The mounting bracket 30 is parallel to the top cover 115 . In an exemplary embodiment, the mounting bracket 30 is a metal sheet, which is flat. Column 31 can be selected as 4. One end of each column 31 is fixed to the inner wall of the top cover 115 , and the other end is perpendicular to and fixedly connected to the mounting bracket 30 .

The hard disk 20 is connected to the mounting bracket 30 through the vibration damping mechanism 40 . In the embodiment shown in FIG. 1 , the vibration damping mechanism 40 realizes vibration damping in all degrees of freedom (including the first direction D1 , the second direction D2 and the third direction D3 ) through the cylindrical steel cable. The installation bracket 30 , the shock absorbing mechanism 40 and the hard disk 20 can all be installed into the casing 10 through the opening. The vibration damping mechanism realizes the vibration damping of full degrees of freedom through the cylindrical steel cable, and its structure is simple, easy to install, and has good anti-seismic effect.

In an exemplary embodiment, the damping mechanism 40 includes four damping units 41 respectively fixed to four corners of the hard disk 20 . Each damping unit 41 includes:

A first connecting member 42 is fixedly connected to the hard disk 20, including a first through hole 421 and a second through hole 422 parallel to the hard disk 20;

A second connector 43, which is fixedly connected to the mounting bracket 30, includes a third through hole 431 and a fourth through hole 432 that are parallel to the mounting bracket, wherein the first through hole 421 is perpendicular to the third through hole 431 ;and

A cylindrical steel cable 50, which successively passes through the first through hole 421, the third through hole 431, the second through hole 422 and the fourth through hole 432, wherein the cylindrical steel cable 50 includes a and the four parts with the same length between the second connecting piece 43 .

Both the first through hole 421 and the second through hole 422 of the first connecting member 42 are parallel to the top surface or the bottom surface of the hard disk 30 . The third through hole 431 and the fourth through hole 432 of the second connecting member 43 are parallel to the mounting bracket 30 , and the plane where the first through hole 421 and the second through hole 422 are located is parallel to the third through hole 431 and the fourth through hole 432 on the plane. The first through hole 421 is perpendicular to the third through hole 431 and the fourth through hole 432 , and the second through hole 422 is perpendicular to the third through hole 431 and the fourth through hole 432 . A single cylindrical steel cable 50 passes through the first through hole 421 , the third through hole 431 , the second through hole 422 and the fourth through hole 432 successively. The cylindrical steel cable 50 includes four sections of equal length located between the first connector 42 and the second connector 43 . That is to say, the part of the cylindrical steel cable 50 between the first through hole 421 and the third through hole 431, the part of the cylindrical steel cable 50 between the third through hole 431 and the second through hole 422, the cylindrical steel cable The part of the cable 50 between the second through hole 422 and the fourth through hole 432 and the part of the cylindrical steel cable 50 between the fourth through hole 432 and the first through hole 421 have the same length. The installation between the cylindrical steel cable 50 and the first connecting piece 42 and the second connecting piece 43 is simple. A single cylindrical steel cable 50 is bent in the first direction D1, the second direction D2 and the third direction D3, which realizes all-round stiffness and damping, reduces the natural frequency of the hard disk, and reduces the frequency of the hard disk in the high frequency band. The vibration is simple in structure, and can realize vibration reduction in all degrees of freedom, and the vibration reduction effect is good.

The orientations of the first through holes 421 in different damping units 41 may be the same or different. In an exemplary embodiment, the first through holes 421 in all the damping units 41 are parallel to each other. In another exemplary embodiment, the first through holes 421 in two adjacent damping units 41 are perpendicular to each other. In this way, among the four vibration-damping units 41 , any two adjacent vibration-damping units 41 have the same structure as the other after being rotated 90 degrees around the first direction D1 . The elasticity of the entire damping mechanism 40 in the second direction D2 and the third direction D3 is more uniform, reducing the difference in shock resistance of the damping mechanism 40 in the second direction D2 and the third direction D3.

In an exemplary embodiment, the diameter of the cylindrical steel cable 50 is 0.8 mm-1.6 mm, and the length of the part of the cylindrical steel cable 50 between the first connector 42 and the second connector 43 is 30 mm-1.6 mm. 40 mm (the lengths of the four parts are all the same), the distance between the first connector 42 and the second connector 43 is 18 mm-25 mm, the distance between the first through hole 421 and the second through hole 422 and The distance between the third through hole 431 and the fourth through hole 432 is equal and is 6 millimeters to 10 millimeters, and the lengths of the first through hole 421, the third through hole 431, the second through hole 422 and the fourth through hole 432 are equal. 10mm-15mm, the mass of the hard disk is 35g-500g. The material of the cylindrical steel cable 50 is stainless steel 301 (SUS301) or X12CrNi17. The vibration-damping effect of the vibration-damping mechanism 40 has a lot to do with the specific parameters of its components. The inventor has conducted a large number of tests on the embedded industrial computer shown in Fig. 1 . When the parameters of the various components of the vibration damping mechanism 40 are in the above-mentioned ranges, the vibration damping effect is very obvious. This application document presents Figures 2-4 to illustrate the vibration damping effect. Fig. 2 is a vibration response curve of the embedded industrial computer in the first direction D1 provided by an embodiment of the present invention. FIG. 3 is a vibration response curve of the embedded industrial computer in the second direction D2 provided by an embodiment of the present invention. Fig. 4 is a vibration response curve of the embedded industrial computer in the third direction D3 provided by an embodiment of the present invention. Combining with Figures 1-4, it can be seen that the ordinate A of the vibration response curve is acceleration, the unit is g (acceleration of gravity), and the abscissa F is frequency, the unit is Hz (Hertz). In Fig. 2, the curve L11 is the 1g environmental vibration excitation curve, the curve L21 is the 2g environmental vibration excitation curve, and the curve L31 is the 4g environmental vibration excitation curve. Each environmental vibration excitation curve is divided into two parts, the first stage in which the frequency and vibration acceleration excitation gradually rises from 0, and the second stage in which the acceleration excitation remains constant as the frequency increases. In Fig. 2, the curve L12 is the vibration response curve of 1g, the curve L22 is the vibration response curve of 2g, and the curve L32 is the vibration response curve of 4g. Comparing the curve L11 and the curve L12, it can be seen that under the excitation of 1 g of environmental vibration, the peak of the vibration response is located near 40 Hz, which is 20 Hz lower than the peak of the traditional vibration response of 60 Hz (usually 60-100 Hz). Comparing the curve L21 and the curve L22, it can be seen that under the excitation of 2g environmental vibration, the peak of the vibration response is located near 30Hz, which is 30Hz lower than the peak of the traditional vibration response of 60Hz (usually 60-100Hz). Comparing the curve L31 and the curve L32, it can be seen that under the excitation of 4g environmental vibration, the peak of the vibration response is located near 15Hz, which is 45Hz lower than the peak of the traditional vibration response of 60Hz (usually 60-100Hz). It can be seen that, compared with the traditional structure, the embedded industrial computer provided by the present invention reduces the frequency corresponding to the peak of the vibration response, that is to say, reduces the natural frequency of the system. The greater the environmental vibration excitation, the greater the reduction of the natural frequency. In this way, the vibration response of the embedded industrial computer in the high frequency stage (such as 60-100Hz) is greatly reduced. The acceleration of the response in the first direction D1 can even be up to 25% of the excitation. At low frequencies, the amplitude of the peaks of the vibration response is also reduced. For example, the amplitude of the response peak corresponding to the vibration excitation of 4g in Fig. 2 is less than 3g.

In Fig. 3, the curve L41 is the excitation curve of the 0.5g environment vibration, the curve L51 is the environment vibration excitation curve of 1g, and the curve L61 is the environment vibration excitation curve of 2g. In Fig. 3, the curve L42 is the vibration response curve of 0.5g, the curve L52 is the vibration response curve of 1g, and the curve L62 is the vibration response curve of 2g. It can be seen that, compared with the traditional structure, the embedded industrial computer provided by the present invention reduces the frequency corresponding to the peak of the vibration response, that is to say, reduces the natural frequency of the system. The greater the environmental vibration excitation, the greater the reduction of the natural frequency. In this way, the vibration response of the embedded industrial computer in the high frequency stage (such as 60-100Hz) is greatly reduced. The acceleration of the response in the second direction D2 is even less than 10% of the excitation. At low frequencies, the amplitude of the peaks of the vibration response is also reduced. For example, the amplitude of the response peak corresponding to the vibration excitation of 2g in Fig. 3 does not exceed 0.5g.

In Fig. 4, the curve L71 is the excitation curve of the 0.5g environment vibration, the curve L81 is the environment vibration excitation curve of 1g, and the curve L91 is the environment vibration excitation curve of 2g. In Fig. 3, the curve L72 is the vibration response curve of 0.5g, the curve L82 is the vibration response curve of 1g, and the curve L92 is the vibration response curve of 2g. It can be seen that, compared with the traditional structure, the embedded industrial computer provided by the present invention reduces the frequency corresponding to the peak of the vibration response, that is to say, reduces the natural frequency of the system. The greater the environmental vibration excitation, the greater the reduction of the natural frequency. In this way, the vibration response of the embedded industrial computer in the high frequency stage (such as 60-100Hz) is greatly reduced. The acceleration of the response in the third direction D3 is even less than 10% of the excitation. For example, the amplitude of the response peak corresponding to the vibration excitation of 2g in Fig. 4 does not exceed 0.5g.

Comparing Fig. 3 and Fig. 4, it can be known that the embedded industrial computer provided by the present invention has almost the same vibration response curves at the same frequency in the second direction D2 and the third direction D3. This also proves that the elasticity of the entire vibration damping mechanism 40 in the second direction D2 and the third direction D3 is uniform, and the difference of the vibration resistance of the vibration damping mechanism 40 in the second direction D2 and the third direction D3 is small.

The frequency of the peak of the vibration response curve shown in Figure 2-4 is shown in the table below:

In an exemplary embodiment, the distance between adjacent damping units 41 is 40mm-80mm, and the first connecting member 42 and the second connecting member 43 of each damping unit are made of aluminum. The distance between adjacent damping units is moderate, which is convenient for installation and improves the isotropy of the seismic performance. The aluminum connecting piece is light in weight, which reduces the impact of the connecting piece itself on the seismic performance.

The parameter of the sample corresponding to Fig. 2-4 is: the diameter of cylindrical steel cable 50 is 1 millimeter, and the length of the part of cylindrical steel cable 50 between the first connector 42 and the second connector 43 is 30 millimeters (four The length of each part is the same), the distance between the first connecting part 42 and the second connecting part 43 is 18 mm, the distance between the first through hole 421 and the second through hole 422 and the distance between the third through hole 431 and the first through hole 431 and the first through hole 431 are the same. The distances between the four through holes 432 are equal and 7.8 millimeters, the lengths of the first through hole 421, the third through hole 431, the second through hole 422 and the fourth through hole 432 are all 10 millimeters, and the mass of the hard disk is 70 grams. . The material of the cylindrical steel cable 50 is stainless steel 301 (SUS301) or X12CrNi17. The distance between adjacent damping units 41 is 65mm.

Fig. 5 is a schematic diagram of the three-dimensional structure of an embedded industrial computer provided by an embodiment of the present invention. The structure of the embedded industrial computer shown in Figure 5 is similar to the structure of the embedded industrial computer shown in Figure 1, the difference is that the structure of the vibration damping mechanism is different, and the rest are the same, refer to Figure 1. in particular,

The embedded industrial computer includes: a casing 10 , a hard disk 20 , a mounting bracket 30 and a shock absorbing mechanism 40 .

The housing 10 includes a housing main body 11 and a detachable mounting plate 12 . The housing main body 11 has an opening (not marked), which matches with the detachable mounting plate 12 . The detachable mounting plate 12 is mounted together with the casing main body 11 through the opening. The housing body 11 includes a first side wall 111 , a second side wall 112 , a third side wall 113 , a fourth side wall 114 , and a top cover 115 . The first side wall 111 , the second side wall 112 , the third side wall 113 and the fourth side wall 114 are sequentially connected end to end to form the opening. The top cover 115 is adjacent to the first side wall 111 , the second side wall 112 , the third side wall 113 and the fourth side wall 114 and is opposite to the opening. The top cover 115 is parallel to the detachable mounting plate 12 .

The hard disk 20 is located in the casing 10 and parallel to the detachable mounting plate 12 . The shape of the hard disk 20 is that the top surface and the bottom surface are much larger than the four sides. The parallelism and perpendicularity between the hard disk and other components in this application document refer to the parallelism and perpendicularity between the top surface or the bottom surface of the hard disk and other components. The direction perpendicular to the hard disk 20 is a first direction D1, and the directions parallel to the hard disk 20 are a second direction D2 and a third direction D3. The second direction D2 is perpendicular to the third direction D3. In an exemplary embodiment, the first direction D1 is the thickness direction of the hard disk, the second direction D2 is the length direction of the hard disk, and the third direction D3 is the width direction of the hard disk.

The mounting bracket 30 is fixedly connected to the top cover 115 through a plurality of columns 31 . The mounting bracket 30 is parallel to the top cover 115 . In an exemplary embodiment, the mounting bracket 30 is a metal sheet, which is flat. Column 31 can be selected as 4. One end of each column 31 is fixed to the inner wall of the top cover 115 , and the other end is perpendicular to and fixedly connected to the mounting bracket 30 .

The hard disk 20 is connected to the mounting bracket 30 through the vibration damping mechanism 40 . In the embodiment shown in FIG. 5 , the vibration damping mechanism 40 realizes vibration damping in all degrees of freedom (including the first direction D1 , the second direction D2 and the third direction D3 ) through the elongated steel sheet. The installation bracket 30 , the shock absorbing mechanism 40 and the hard disk 20 can all be installed into the casing 10 through the opening. The vibration damping mechanism realizes vibration damping with full degrees of freedom through long steel sheets, and has a simple structure, convenient installation, and good anti-seismic effect.

In an exemplary embodiment, the damping mechanism 40 includes:

A hard disk mounting plate 44, which is fixedly connected with the hard disk 20, wherein the hard disk 20 is located between the hard disk mounting plate 44 and the mounting bracket 30,

An annular elastic arm 45, which includes a strip-shaped steel plate surrounding the side of the hard disk 20, and is installed and connected with the hard disk mounting plate 44,

A first arcuate elastic arm 46, which includes a strip-shaped steel plate bent towards the annular elastic arm 45, the two ends of the first arcuate elastic arm 46 are fixedly connected with the mounting bracket 30, the middle part of the first arcuate elastic arm 46 is connected to the annular elastic arm 45 is fixedly connected; and

A second arcuate elastic arm 47, which includes a strip-shaped steel plate bent towards the annular elastic arm 45, the two ends of the second arcuate elastic arm 47 are fixedly connected with the mounting bracket 30, the middle part of the second arcuate elastic arm 47 is connected to the annular elastic Arm 45 is fixedly connected;

Wherein, the first arcuate elastic arm 46 and the second arcuate elastic arm 47 are parallel and respectively located on opposite sides of the annular elastic arm 45 .

The aforementioned elongated steel plate refers to a steel plate whose thickness is smaller than the width and whose width is smaller than the length. It is straight or bent or curved in the length direction to form parts of different shapes. The surface formed by the length and width of the elongated steel plate is larger than the other surfaces of the elongated steel plate. In this application document, the parallel or perpendicularity between the elongated steel plate and other components means that the plane formed by its length and width is parallel or perpendicular to the other components.

The direction perpendicular to the hard disk 20 is the first direction D1. The directions parallel to the hard disk 20 are the second direction D2 and the third direction D3. The second direction D2 is perpendicular to the third direction D3. In an exemplary embodiment, the first direction D1 is the thickness direction of the hard disk, the second direction D2 is the length direction of the hard disk, and the third direction D3 is the width direction of the hard disk.

The annular elastic arm 45 is formed by bending a long steel plate in the length direction, that is, the surface formed by its length and width is bent. Viewed from the first direction D1 , the annular elastic arm 45 is rectangular, and the stacked hard disk mounting plate 44 and hard disk 20 are located within the rectangular circle of the annular elastic arm 45 . The annular elastic arm 45 surrounds the side of the hard disk 20 and the hard disk mounting plate 44 . The annular elastic arm 45 is installed and connected with the hard disk mounting plate 44 from the side. The annular elastic arm 45 provides elastic deformation and vibration damping in the second direction D2 and the third direction D3.

Both the first bow-shaped elastic arm 46 and the second bow-shaped elastic arm 47 are bent out of a long steel plate in the length direction, that is, the surface formed by the length and width of the two bends. Its bending direction is toward the annular elastic arm 45 , that is, the bending is along the first direction D1. Both ends of the first arcuate elastic arm 46 are fixedly connected to the mounting bracket 30 (for example, with screws), and the middle part of the first arcuate elastic arm 46 is bent toward the annular elastic arm 45 and fixedly connected to the annular elastic arm 45 . Similarly, both ends of the second arcuate elastic arm 47 are fixedly connected to the mounting bracket 30 (for example, with screws), and the middle part of the second arcuate elastic arm 47 bends toward the annular elastic arm 45 and is fixedly connected to the annular elastic arm 45 . The first arcuate elastic arm 46 and the second arcuate elastic arm 47 are parallel and located on opposite sides of the annular elastic arm 45 respectively, both of which can provide elastic deformation and vibration buffering in the first direction D1, and both can uniformly Undertake vibration damping in the first direction.

It can be seen from the above description that the vibration damping mechanism 40 can achieve vibration damping with full degrees of freedom through the annular elastic arm 45 , the first arcuate elastic arm 46 and the second arcuate elastic arm 47 formed by the elongated steel sheet. The installation among the annular elastic arm 45 , the first arcuate elastic arm 46 and the second arcuate elastic arm 47 is simple. The annular elastic arm 45, the first arcuate elastic arm 46 and the second arcuate elastic arm 47 can all be bent in the first direction D1, the second direction D2 and the third direction D3, that is, realize all-round stiffness and damping, and reduce the hard disk The natural frequency of the hard disk reduces the vibration of the hard disk in the high-frequency band. Its structure is simple, and it can realize vibration reduction in all degrees of freedom, and the vibration reduction effect is good.

In an exemplary embodiment, the hard disk mounting plate 44 includes:

A mounting plate main body 440, which is parallel to the hard disk 20,

a first extension 441, which extends vertically from the mounting plate main body 440 to the side of the hard disk 20, and

A second extension 442, which extends vertically from the mounting plate main body 440 to the side of the hard disk 20, the first extension 441 and the second extension 442 are respectively located on opposite sides of the hard disk 20;

Ring elastic arm 45 comprises:

a first elastic arm segment 451, which surrounds from the first extension 441 to the second extension 442, and

a second elastic arm section 452, which surrounds from the first extension part 441 to the second extension part 442,

Wherein, the first elastic arm section 451 and the second elastic arm section 452 are respectively located on opposite sides of the hard disk 20, the first elastic arm section 451 and the second elastic arm section 452 are mounted and connected to the first extension part 441, and the first elastic arm section The segment 451 and the second elastic arm segment 452 are mounted and connected with the second extension part 442 .

5, in this embodiment, the mounting plate main body 440 is parallel to and fixedly connected to the hard disk 20, that is to say, the length and width of the mounting plate main body 440 are parallel to the length and width of the hard disk 20. . The mounting plate main body 440 has two extending portions respectively extending from opposite sides of the mounting plate main body 440 along the first direction D1 and located on two opposite sides of the hard disk 20 . Both the first extension part 441 and the second extension part 442 are used for fixed connection with the annular elastic arm 45 . Both the first extension portion 441 and the second extension portion 442 are perpendicular to the main body portion 440 of the mounting plate and the hard disk 20 , and parallel to the annular elastic arm 45 .

The annular elastic arm 45 is composed of two semi-frame steel plates, one of which is the first elastic arm segment 451 and the other is the second elastic arm segment 452 . Both are formed by bending a long steel sheet. One end of the first elastic arm section 451 overlaps with one end of the second elastic arm section 452 and is mounted and connected to the first extension portion 441 . The other end of the first elastic arm section 451 overlaps the other end of the second elastic arm section 452 and is mounted and connected to the second extension portion 442 . The first elastic arm section 451 extends along the left half of the hard disk 20 , and the second elastic arm section 452 extends along the right half of the hard disk 20 , and the two are respectively located on opposite sides of the hard disk 20 . The hard disk mounting plate and the annular elastic arm have a simple structure and are easy to install.

In an exemplary embodiment, the embedded industrial computer also includes:

Two first fasteners 61, the first elastic arm segment 451 and the second elastic arm segment 452 are installed and connected with the first extension part 441 through the first fastener 61, and each first fastener 61 includes a first A screw 611 and a first rubber ring 612, which are arranged on the inner side of the first screw 611, and

Two second fasteners 62, the first elastic arm segment 451 and the second elastic arm segment 452 are installed and connected with the second extension part 442 through the second fastener 62, and each second fastener 62 includes a first Two screws (not marked in the figure) and a second rubber ring (not marked in the figure) are arranged on the inner side of the second screw. It should be noted that in FIG. 5 , due to the display angle, the structure of the second fastener 62 and the second screw and the second rubber ring therein cannot be shown. The structures of the second fastener 62 and the second screw and the second rubber ring therein are the same as those of the first fastener 61 and the first screw 611 and the first rubber ring 612 therein.

Specifically, as can be seen from FIG. 5 , one end of the first elastic arm segment 451 overlaps with one end of the second elastic arm segment 452 . One end of the first elastic arm segment 451 has two first holes (not shown in the figure) at the overlap. One end of the second elastic arm segment 452 also has two second holes (not shown in the figure) at the overlap. The first extension portion 441 has two third holes (not shown in the figure), which pass through the first extension portion 441 in the thickness direction. The first hole, the second hole and the third hole are in one-to-one correspondence. The first screw 611 passes through the first hole, the second hole and the third hole to connect the first elastic arm section 451 and the second elastic arm section 452 to the first extension part 441 . The first rubber ring 612 is sleeved on the inner side of the first screw 611 to separate the head of the first screw 611 from the first elastic arm segment 451 and the second elastic arm segment 452 . The first rubber ring 612 does not restrict the rotational degrees of freedom of the hard disk 20 , and its main function is to weaken the vibration response of the three rotational degrees of freedom. Likewise, the other end of the first elastic arm segment 451 overlaps the other end of the second elastic arm segment 452 . The other end of the first elastic arm segment 451 has two fourth holes (not shown in the figure) at the overlap. The other end of the second elastic arm section 452 also has two fifth holes (not shown in the figure) at the overlap. The second extension part 442 has two sixth holes (not shown in the figure), which pass through the second extension part 442 in the thickness direction. The fourth hole, the fifth hole and the sixth hole correspond one to one. The second screw passes through the fourth hole, the fifth hole and the sixth hole to install and connect the first elastic arm segment 451 and the second elastic arm segment 452 with the second extension part 442 . The second rubber ring is sleeved on the inner side of the second screw, separating the head of the second screw from the first elastic arm section 451 and the second elastic arm section 452 . The second rubber ring does not restrict the rotational degrees of freedom of the hard disk 20, but its main function is to weaken the vibration response of the three rotational degrees of freedom.

In an exemplary embodiment, the damping mechanism 40 includes:

A third extension 461, which extends from the middle of the first arcuate elastic arm 46 toward the first elastic arm section 451, and is mounted and connected with the first elastic arm section 451;

A fourth extension portion 471 extends from the middle of the second arcuate elastic arm 47 toward the second elastic arm segment 452 and is mounted and connected to the second elastic arm segment 452 .

As shown in FIG. 5 , the third extension portion 461 is formed of a long steel sheet, which is perpendicular to the first arcuate elastic arm 46 and extends along the first direction. The third extension portion 461 extends from the middle of the first arcuate elastic arm 46 and is integrated with the first arcuate elastic arm 46 . The third extension part 461 is fixedly connected to the first elastic arm segment 451 through screws (not marked). Likewise, the fourth extending portion 471 is formed of a long steel sheet, which is perpendicular to the second arcuate elastic arm 47 and extends along the first direction. The fourth extending portion 471 extends from the middle of the second arcuate elastic arm 47 and is integrated with the second arcuate elastic arm 47 . The fourth extension portion 471 is fixedly connected to the second elastic arm section 452 through screws (not marked). The first arcuate elastic arm 46 is installed and connected with the first elastic arm section 451 through the third extension part 461, and the second arcuate elastic arm 47 is installed and connected with the second elastic arm section 452 through the fourth extension part 471. The connection structure is simple and the installation is convenient. .

In an exemplary embodiment, the annular elastic arm 45 , the first arcuate elastic arm 46 and the second arcuate elastic arm 47 , the third extension 461 and the fourth extension 471 have a thickness of 0.2mm-0.6mm. The elongated steel sheet of this thickness has good vibration damping performance. In an exemplary embodiment, the materials of the annular elastic arm 45 , the first arcuate elastic arm 46 and the second arcuate elastic arm 47 , the third extension 461 and the fourth extension 471 are all stainless steel 301 (SUS301) or X12CrNi17 .

It should be understood that although this specification is described according to various implementations, not each implementation only includes an independent technical solution. This description of the specification is only for clarity, and those skilled in the art should take the specification as a whole. The technical solutions in the various implementation modes can also be properly combined to form other implementation modes that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible embodiments of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent embodiment or All changes should be included within the protection scope of the present invention.

Claims (10)

1. built-in industrial computer, including：

One shell (10) comprising：

One detachable mounting plate (12), and

One head cover (115), it is parallel with detachable mounting plate (12)；

One hard disk (20) is located in the shell (10) and is parallel to the detachable mounting plate (12)；

One mounting bracket (30) is fixedly connected by a plurality of columns (31) with the head cover (115), the mounting bracket (30) it is parallel to the head cover (115)；With

One damper mechanism (40), wherein the hard disk (20) is connected by the damper mechanism (40) and the mounting bracket (30) It connects；

Wherein, the damper mechanism (40) realizes the vibration damping of full degree of freedom by cylindricality wirerope or strip steel disc.

2. built-in industrial computer according to claim 1, which is characterized in that the damper mechanism (40) subtracts including four Shake unit (41), is individually fixed in four angles of the hard disk (20), and each damper unit (41) includes：

One first connector (42), is fixedly connected with the hard disk (20), includes one first each parallel to the hard disk (20) Through-hole (421) and one second through-hole (422)；

One second connector (43), is fixedly connected with the mounting bracket (30), including each parallel to the mounting bracket (30) a third through-hole (431) and a fourth hole (432), wherein the first through hole (421) is logical perpendicular to the third Hole (431)；With a cylindricality wirerope (50), the first through hole (421), the third through-hole (431), institute are continued to pass through successively State the second through-hole (422) and the fourth hole (432), wherein the cylindricality wirerope (50) includes being located at described first to connect The identical part of four length between part (42) and second connector (43).

3. built-in industrial computer according to claim 2, which is characterized in that in the two neighboring damper unit (41) The first through hole (421) be mutually perpendicular to.

4. built-in industrial computer according to claim 2, which is characterized in that the cylindricality wirerope (50) it is a diameter of 0.8 millimeter -1.6 millimeters, the cylindricality wirerope (50) is between first connector (42) and second connector (43) Part length be 30 millimeters -40 millimeters, the distance between first connector (42) and second connector (43) It is 18 millimeters -25 millimeters, the distance between the first through hole (421) and second through-hole (422) and the third through-hole (431) equal with the distance between the fourth hole (432) and be 6 millimeters -10 millimeters, it is the first through hole (421), described The length of third through-hole (431), second through-hole (422) and the fourth hole (432) is 10 millimeters -15 millimeters, institute The quality for stating hard disk (20) is 35 grams -500 grams.

5. built-in industrial computer according to claim 4, which is characterized in that between the adjacent damper unit (41) Distance is 40 millimeters -80 millimeters, first connector (42) of each damper unit (41) and second connector (43) material is aluminium.

6. built-in industrial computer according to claim 1, which is characterized in that the damper mechanism (40) includes：

One hard disk mounting plate (44), is fixedly connected with the hard disk (20), wherein the hard disk (20) is located at hard disk peace Between loading board (44) and the mounting bracket (30),

One cyclic spring arm (45) comprising one around the hard disk (20) side elongate steel plate, and with the hard disk Mounting plate (44) installation connection,

One first arcuate resilient arm (46) comprising an elongate steel plate being bent towards the cyclic spring arm (45), it is described The both ends of first arcuate resilient arm (46) are fixedly connected with the mounting bracket (30), in the first arcuate resilient arm (46) Portion is fixedly connected with the cyclic spring arm (45)；With

One second arcuate resilient arm (47) comprising an elongate steel plate being bent towards the cyclic spring arm (45), it is described The both ends of second arcuate resilient arm (47) are fixedly connected with the mounting bracket (30), in the second arcuate resilient arm (47) Portion is fixedly connected with the cyclic spring arm (45)；

Wherein, the first arcuate resilient arm (46) is parallel with the second arcuate resilient arm (47) and is located at the annular The opposite both sides of elastic arm (45).

7. built-in industrial computer according to claim 6, which is characterized in that

The hard disk mounting plate (44) includes：

One mounting plate main part (440), is parallel to the hard disk (20),

One first extension (441) extends perpendicularly to the side of the hard disk (20) from the mounting plate main part (440), With

One second extension (442) extends perpendicularly to the side of the hard disk (20) from the mounting plate main part (440), First extension (441) and second extension (442) are located at the opposite both sides of the hard disk (20)；

The cyclic spring arm (45) includes：

One first elastic arm section (451), from first extension (441) around extremely second extension (442), and

One second elastic arm section (452) is surround from first extension (441) to second extension (442),

Wherein, it is opposite to be located at the hard disk (20) for first elastic arm section (451) and second elastic arm section (452) Both sides, first elastic arm section (451) and second elastic arm section (452) are installed with first extension (441) Connection, first elastic arm section (451) and second elastic arm section (452) connect with second extension (442) installation It connects.

8. built-in industrial computer according to claim 7, which is characterized in that the built-in industrial computer further includes：

Two the first fasteners (61), first elastic arm section (451) and second elastic arm section (452) and described first Extension (441) carries out installation connection by first fastener (61), and each first fastener (61) includes one the One screw (611) and one first rubber ring (612) are set to the inside of first screw (611), and

Two the second fasteners (62), first elastic arm section (451) and second elastic arm section (452) and described second Extension (442) carries out installation connection by second fastener (62), and each second fastener (62) includes one the Two-screw and one second rubber ring, are set to the inside of second screw.

9. built-in industrial computer according to claim 7, which is characterized in that the damper mechanism (40) includes：

One third extension (461), from the middle part of the first arcuate resilient arm (46) towards first elastic arm section (451) extend, and install and connect with first elastic arm section (451)；

One the 4th extension (471), from the middle part of the second arcuate resilient arm (47) towards second elastic arm section (452) extend, and install and connect with second elastic arm section (452).

10. built-in industrial computer according to claim 9, which is characterized in that the cyclic spring arm (45), described One arcuate resilient arm (46), the second arcuate resilient arm (47), the third extension (461) and the 4th extension (471) thickness is 0.2 millimeter -0.6 millimeter.