CN112985725A

CN112985725A - Electronic component vibrations test bench

Info

Publication number: CN112985725A
Application number: CN202110205464.6A
Authority: CN
Inventors: 袁敏
Original assignee: Yancheng Institute of Technology
Current assignee: Yancheng Institute of Technology
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-06-18
Anticipated expiration: 2041-02-24
Also published as: CN112985725B

Abstract

The invention discloses an electronic element vibration test workbench which comprises a housing, an impact cylinder, a support, a spring, a vibration motor, a top plate, a pressing plate and a carrying grid, wherein the impact cylinder is cylindrical, a water inlet and a water outlet are formed in two ends of the impact cylinder, a water pump is installed on the water inlet, the water pump is installed on a side plate at the water inlet, and the size of water flow injected by the water pump is adjustable. The support mid-mounting has the bottom plate, installs the cylinder on the bottom plate, and the telescopic link and the limiting plate detachably of cylinder are connected, but a joint strikes a section of thick bamboo. The impact barrel is supported on the housing through a fixed seat and a spring. The vibrating motors are arranged on the side plate of the impact cylinder. The pressing plate is matched with the top plate, the carrying grids are multiple, and electronic elements can be placed in the cavity. The invention sets various sine vibration modes, can simulate the vibration by utilizing the irregularity of water flow through the water pump and the impact cylinder and changing the water injection pressure, and can also simulate other random vibration scenes, and the test efficiency is higher.

Description

Electronic component vibrations test bench

Technical Field

The invention relates to the field of electronic element detection, in particular to an electronic element vibration test workbench.

Background

Electronic components are basic elements in electronic circuits, typically individually packaged, and have two or more leads or metal contacts. The electronic components are interconnected to form an electronic circuit having a specific function, such as: amplifiers, radio receivers, oscillators, etc., one of the common ways to connect electronic components is soldering to a printed circuit board. The working stability of electronic components is related to the ambient temperature and humidity, and is also influenced by vibration, such as automobiles, generator sets, trains, air conditioning units and the like, and the vibration test is used for simulating various vibration environmental influences of products in the transportation, installation and use environments and determining whether the products can bear various environmental vibrations.

The existing vibration test mainly uses a vibration motor as a power source, is close to the working environment of large-scale fixed equipment with a motor, and mainly detects the resonance frequency of a product structure, namely sinusoidal vibration. But the detection effect is not good for the oscillation, such as the vibration generated by ships, airplanes and vehicles and other random vibration.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the electronic element vibration test workbench which is simple in structure, is provided with a rotatable base, is fixed on a table top and the like through a sucker, can rotate and adjust the height of a projector, is provided with a storage battery, and meets the use requirement.

In order to achieve the purpose, the invention is realized by the following technical scheme: an electronic component vibration test workbench comprises

The cover casing is square, the bottom and the top of the cover casing are provided with openings, the top of the front side and the top of the back side of the cover casing are provided with horizontal bending plates,

the impact cylinder is cylindrical, a water inlet and a water outlet are formed in two ends of the impact cylinder, side plates are respectively mounted on two end faces of the impact cylinder, and the area of each side plate is larger than the sectional area of the impact cylinder; the water outlet is provided with a water outlet valve, the water inlet is provided with a water pump, the water pump is arranged on a side plate at the water inlet, the size of water flow injected by the water pump can be adjusted,

the support comprises four vertical rods and a horizontal rod connected with the vertical rods, the support is positioned in the housing, the middle part of the support is provided with a bottom plate, the bottom plate is provided with an air cylinder, a telescopic rod of the air cylinder is detachably connected with a limiting plate, the upper surface of the limiting plate is provided with an arc-shaped plate, the radius of the arc-shaped plate is the same as that of the outer wall of the impact cylinder, the arc-shaped plate can be clamped with the impact cylinder,

the front side and the rear side of the impact cylinder are respectively fixedly connected with a horizontally arranged support plate, a plurality of springs are arranged between the support plate and a top bending plate of the housing, the impact cylinder is supported on the housing through a fixed seat and the springs,

a plurality of vibration motors which are arranged on the side plate of the impact cylinder,

the top plate is fixedly connected with the upper part of the impact cylinder, the top plate is rectangular, four sides of the top plate are turned over downwards,

the pressing plate is L-shaped and is matched with the top plate, the tail end of the pressing plate is hinged on the base, the base is fixedly connected on the housing, the pressing plate can be buckled on the top plate and can also be rotated to loosen the top plate,

a plurality of loading grids which are strip-shaped and are evenly distributed on the top plate, a plurality of separated chambers are arranged in each loading grid, electronic elements can be placed in the chambers,

further, the front and rear portions of the housing are provided with notches for weight reduction and observation of the interior.

Furthermore, adjusting support legs are installed at four corners of the bottom of the housing, and the top plate can be adjusted to be horizontal.

Furthermore, a plurality of reinforcing ribs which are uniformly distributed are arranged between the fixed seat and the impact cylinder.

Furthermore, the left side and the right side of the housing are provided with semicircular notches, and the notches and the impact barrel are separated by a distance, so that the failure of the spring is avoided, and the impact barrel falls.

Furthermore, a binding belt for fixing is arranged at the bottom of the cavity of the object carrying grid.

Furthermore, the top of the object carrying grid is provided with a transparent baffle plate, so that dust is prevented from entering the object carrying grid.

Furthermore, a handle convenient to rotate is arranged on the pressing plate.

The invention provides an electronic component vibration test workbench. Compared with the prior art, the method has the following beneficial effects:

1. the invention is provided with a plurality of vibration motors, can control the starting and the position of the vibration motors, adjust a plurality of sine vibration modes, can simulate the vibration by utilizing the irregularity of water flow through the water pump and the impact cylinder and changing the water injection pressure, can carry out mixed starting and simulate other random vibration scenes,

2. the side surface of the impact cylinder is provided with the plurality of springs, so that the damage of the workbench is avoided and the randomness of vibration is improved by utilizing the flexibility and the buffering property of the springs;

3. according to the invention, the impact cylinder is clamped through the liftable limiting plate, the top plate is fixed through the pressing plate hinged on the base, the work can be stopped quickly, the impact cylinder is stabilized, and the test time is controlled;

3. the invention is provided with a plurality of carrying grids, each carrying grid can be used for placing different electronic elements, and the testing efficiency is higher.

Drawings

FIG. 1 is a schematic top view of a vibration testing table for electronic components according to the present invention;

FIG. 2 is a schematic side view of a vibration testing table for electronic components according to the present invention;

FIG. 3 is a schematic perspective view of a vibration testing table for electronic components according to the present invention;

FIG. 4 is a first schematic perspective view of the vibration testing table for electronic components of the present invention with the carrier and the cover removed;

fig. 5 is a second schematic perspective view of the electronic component vibration testing table of the present invention with the carrier and the housing removed.

In the figure: 1. carrying grids; 2. a water pump; 3. pressing a plate; 4. a base; 5. a housing; 6. vibrating a motor; 7. adjusting the bottom feet; 8. a support plate; 9. a spring; 10. a side plate; 11. a top plate; 12. a support; 13. an impact cylinder; 14. a limiting plate; 15. a cylinder; 16. a water outlet valve; 17. a base plate.

Detailed Description

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

Referring to fig. 1-3, a vibration testing table for electronic devices comprises

A cover 5, the cover 5 is square, the bottom and the top are opened, the top of the front and the back side of the cover 5 is provided with a horizontal bending plate,

referring to fig. 4 and 5, the impact cylinder 13 is a cylinder, the impact cylinder 13 is provided with a water inlet and a water outlet at two ends, two end faces of the impact cylinder 13 are respectively provided with a side plate 10, and the area of the side plate 10 is larger than the sectional area of the impact cylinder 13; the water outlet is provided with a water outlet valve 16, the water inlet is provided with a water pump 2, the water pump 2 is arranged on the side plate 10 at the water inlet, the size of water flow injected by the water pump 2 can be adjusted,

the support 12 comprises four vertical rods and a horizontal rod connected with the vertical rods, the support 12 is positioned in the housing 5, a bottom plate 17 is arranged in the middle of the support 12, an air cylinder 15 is arranged on the bottom plate 17, a telescopic rod of the air cylinder 15 is detachably connected with a limiting plate 14, an arc-shaped plate is arranged on the upper surface of the limiting plate 14, the radius of the arc-shaped plate is the same as that of the outer wall of the impact cylinder 13, the arc-shaped plate can be clamped with the impact cylinder 13,

the front side and the rear side of the impact cylinder 13 are respectively fixedly connected with a horizontally arranged support plate 8, a plurality of springs 9 are arranged between the support plate 8 and a top bending plate of the housing 5, the impact cylinder 13 is supported on the housing 5 through a fixed seat and the springs 9,

a plurality of vibration motors 6, wherein the vibration motors 6 are arranged on the side plate 10 of the impact cylinder 13,

the top plate 11 is fixedly connected with the upper part of the impact cylinder 13, the top plate 11 is rectangular, four sides of the top plate 11 are turned over downwards,

the pressing plate 3 is L-shaped and is matched with the top plate 11, the tail end of the pressing plate 3 is hinged on the base 4, the base 4 is fixedly connected on the housing 5, the pressing plate 3 can be buckled on the top plate 11 and can also be rotated to loosen the top plate 11,

carry thing check 1, it has a plurality ofly to carry thing check 1, for rectangular form, evenly arranges on roof 11, has a plurality of divided cavities in every carries thing check 1, can place electronic component in the cavity.

In practical applications, the front and rear portions of the housing 5 are provided with notches for weight reduction and internal observation.

In practical application, four corners of the bottom of the housing 5 are provided with adjusting support legs, and the adjustable top plate 11 is horizontal.

In practical application, a plurality of reinforcing ribs which are uniformly distributed are arranged between the fixed seat and the impact cylinder 13.

In practical application, semicircular notches are formed in the left side and the right side of the housing 5, and a distance exists between each notch and the corresponding impact barrel 13, so that the phenomenon that the spring 9 fails and the impact barrel 13 falls off is avoided.

In practical application, the bottom of the cavity of the object carrying grid 1 is provided with a binding belt for fixing.

In practical application, the top of the object carrying grid 1 is provided with a transparent baffle plate to prevent dust from entering.

In practical application, a handle convenient to rotate is arranged on the pressing plate 3.

In conclusion, the invention sets various sine vibration modes, can simulate vibration by utilizing the irregularity of water flow and can simulate other random vibration scenes by changing the water injection pressure through the water pump and the impact cylinder, and has higher test efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. An electronic component shakes test table which characterized in that: comprises that

The cover shell (5), the cover shell (5) is square, the bottom and the top are opened, the top of the front and the back side surfaces of the cover shell (5) are provided with horizontal bending plates,

the impact barrel (13) is cylindrical, a water inlet and a water outlet are formed in two ends of the impact barrel (13), side plates (10) are respectively installed on two end faces of the impact barrel (13), and the area of each side plate (10) is larger than the sectional area of the impact barrel (13); the water outlet is provided with a water outlet valve (16), the water inlet is provided with a water pump (2), the water pump (2) is arranged on the side plate (10) at the water inlet, the size of water flow injected by the water pump (2) can be adjusted,

the support (12), the support (12) includes four montants and the horizon bar of connecting the montant, and support (12) are located housing (5), and support (12) mid-mounting has bottom plate (17), installs cylinder (15) on bottom plate (17), and the telescopic link of cylinder (15) is connected with limiting plate (14) detachably, surface mounting has the arc on limiting plate (14), and the radius of arc is the same with the outer wall radius of an impact section of thick bamboo (13), and the arc can joint impact a section of thick bamboo (13),

the front side and the rear side of the impact cylinder (13) are respectively fixedly connected with a horizontally arranged support plate (8), a plurality of springs (9) are arranged between the support plate (8) and a top bending plate of the housing (5), the impact cylinder (13) is supported on the housing (5) through a fixed seat and the springs (9),

a plurality of vibration motors (6), wherein the vibration motors (6) are arranged on the side plate (10) of the impact cylinder (13),

the top plate (11), the top plate (11) is fixedly connected with the upper part of the impact cylinder (13), the top plate (11) is rectangular, four sides of the top plate (11) are turned downwards,

the pressing plate (3) is L-shaped and is matched with the top plate (11), the tail end of the pressing plate (3) is hinged to the base (4), the base (4) is fixedly connected to the housing (5), the pressing plate (3) can be buckled with the top plate (11) and can also be rotated to loosen the top plate (11),

carry thing check (1), it has a plurality ofly to carry thing check (1), for rectangular form, evenly arranges on roof (11), has a plurality of divided cavities in every carries thing check (1), can place electronic component in the cavity.

2. The electronic component vibration testing table as claimed in claim 1, wherein: the front part and the rear part of the housing (5) are provided with notches for reducing weight and observing the internal condition.

3. The electronic component vibration testing table as claimed in claim 1, wherein: adjusting support legs are arranged at four corners of the bottom of the housing (5), and the adjustable top plate (11) is horizontal.

4. The electronic component vibration testing table as claimed in claim 1, wherein: a plurality of reinforcing ribs which are uniformly distributed are arranged between the fixed seat and the impact cylinder (13).

5. An electronic component vibration testing table according to claim 1 or 4, wherein: the left side and the right side of the housing (5) are provided with semicircular notches, and the notches and the impact barrel (13) are separated by a distance, so that the spring (9) is prevented from losing efficacy, and the impact barrel (13) is prevented from falling.

6. The electronic component vibration testing table as claimed in claim 5, wherein: the bottom of the cavity of the object carrying grid (1) is provided with a binding belt for fixing.

7. An electronic component vibration testing table according to claim 1 or 6, wherein: the top of the carrying grid (1) is provided with a transparent baffle plate to prevent dust from entering.

8. The electronic component vibration testing table as claimed in claim 1, wherein: the pressing plate (3) is provided with a handle which can be conveniently rotated.