CN110729877A - Pressure-resistant and impact-resistant frequency converter - Google Patents
Pressure-resistant and impact-resistant frequency converter Download PDFInfo
- Publication number
- CN110729877A CN110729877A CN201911045955.8A CN201911045955A CN110729877A CN 110729877 A CN110729877 A CN 110729877A CN 201911045955 A CN201911045955 A CN 201911045955A CN 110729877 A CN110729877 A CN 110729877A
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- Prior art keywords
- protective
- frequency converter
- welded
- pressure
- base
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The invention discloses a pressure-resistant and impact-resistant frequency converter, which comprises a base, wherein a protective support is welded at the top end of the base, a top frame is welded at the top end of the protective support, a protective box is arranged at the top end of the base through a bolt, the protective box is positioned in the protective support, and a frequency converter is arranged in the protective box through a bolt, the pressure intensity can be buffered by utilizing a spring column arranged at the bottom end of the top frame when the whole top frame is stressed and excessively deformed, so that the impact force is prevented from directly acting on the surface of the protective box to damage the frequency converter in the protective box, when the protective support is subjected to deformation displacement caused by excessively strong pressure, a limiting rotating shaft can be extruded, so that the pressure intensity is transferred to a supporting rod, the supporting rod is moved to an installation column, and the pressure is buffered by utilizing the spring arranged on the surface of the top end of the installation column, so, the situation that the whole device is damaged and broken due to overhigh instant pressure intensity is avoided.
Description
Technical Field
The invention relates to the field of frequency converters, in particular to a pressure-resistant and impact-resistant frequency converter.
Background
A Variable-frequency Drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology to control an ac motor by changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
Most of frequency converters are installed on equipment or ground, and the shell of the frequency converter is used for protecting electronic components inside the frequency converter.
However, the existing frequency converter has the following disadvantages:
1. the existing frequency converter has poor protection effect, and the top end of the existing frequency converter can be damaged after being impacted or pressed, so that the existing frequency converter cannot be normally used.
2. The existing frequency converter cannot face to strong instant impact force, and the side surface of the existing frequency converter is easy to break and damage after being impacted.
Disclosure of Invention
The invention aims to provide a pressure-resistant and impact-resistant frequency converter, which solves the problems that the existing frequency converter in the background technology has poor protection effect, the top end of the existing frequency converter can be damaged after being impacted or pressed, the existing frequency converter can not face strong instant impact force, and the whole device is easy to break and damage after being impacted on the side face of the existing frequency converter.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a resistance to compression converter that shocks resistance, includes the base, base top welding protective cradle, the welding of protective cradle top has the roof-rack, the protective housing is installed to base top bolt, the protective housing is located protective cradle, the converter is installed to the inside bolt of protective housing, the linking frame is installed to converter both sides bolt, linking frame one end bolt is installed the bracing piece, mutual welding between bracing piece and the protective housing inner wall, protective cradle skin weld has spacing pivot, spacing pivot skin weld has branch, the welding of branch bottom has the buckle frame, the welding of base top has the erection column, the spring is installed to erection column top surface bolt, spring top buckle is installed in the buckle frame.
Preferably, the roof-rack top is inlayed and is had the earial drainage clamshell, the earial drainage clamshell makes for the arc metal sheet, the spring post is installed to roof-rack bottom bolt, the spring post bottom supports and leans on in protective housing top surface, through the earial drainage clamshell of roof-rack top is inlayed, and the pressure that will be used in whole device top sideslips to the pressure of pressure release is facilitated, is used for resisting as to the pressure on whole device top, simultaneously through the spring post of roof-rack bottom bolt installation, can cushion pressure when whole roof-rack atress excessively warp, thereby avoids impact force direct action on protective housing surface, causes the damage to the inside converter of protective housing.
Preferably, the stop lever is installed to the protective bracket internal rotation, and the stop lever through the protective bracket internal rotation installation is convenient for keep out the striking that comes from the protective bracket side, avoids the direct striking of foreign object to the condition appearance on protective housing surface.
Preferably, base bottom surface mosaic has the mount pad, the pressfitting has the rubber slab between mount pad and the base, and through the mount pad of base bottom surface mosaic, the convenience is fixed whole device, and simultaneously through the rubber slab of pressfitting between mount pad and the base, the impact resistance that just does benefit to through the elasticity of rubber slab adds whole device.
Preferably, a box door is installed on the surface of one side of the protective box through bolts, and maintenance and replacement of the frequency converter in the protective box are facilitated through the box door installed on the surface of one side of the protective box through bolts.
Preferably, the protection box inner wall pressfitting has the cotton shock attenuation of bubble cotton silk floss, and the cotton shock attenuation of bubble through the protection box inner wall pressfitting is continuous, does benefit to the impact resistance effect and the crushing resistance that improve the protection box.
The invention provides a pressure-resistant and impact-resistant frequency converter, which has the following beneficial effects:
(1) according to the invention, the whole device is fixed on equipment or the ground through the mounting seat and the matched bolt, and the protection box is installed through the bolt at the top end of the base, so that the function of protecting the frequency converter can be achieved, the situation that an object with sharp outside or small volume directly contacts the frequency converter is avoided, and when the whole device is subjected to external pressure and impact force, the pressure acting on the top end of the whole device is favorably sideslipped through the force-releasing shell cover embedded at the top end of the top frame, so that the pressure is released for resisting the pressure on the top end of the whole device.
(2) According to the invention, through the spring column arranged on the bottom end of the top frame through the bolt, when the whole top frame is excessively deformed under stress, the pressure is buffered by the spring column, so that the impact force is prevented from directly acting on the surface of the protective box to damage a frequency converter in the protective box, and when the protective bracket is deformed and displaced under the action of the excessive pressure, the limiting rotating shaft is extruded, so that the pressure is transferred to the supporting rod, the supporting rod moves towards the mounting column, and the pressure is buffered by the spring arranged on the surface of the top end of the mounting column through the bolt, so that the impact resistance effect of the whole device is improved, and the situation that the whole device is damaged and broken due to the instantaneous overhigh pressure is avoided.
(3) According to the invention, the stop lever rotationally mounted in the protective bracket is beneficial to resisting the impact from the side surface of the protective bracket and avoiding the situation that a foreign object directly impacts the surface of the protective box, the impact resistance of the whole device is increased by the elasticity of the rubber plate through the rubber plate pressed between the mounting seat and the base, and the impact resistance effect and the pressure resistance of the protective box are improved by the foam damping cotton pressed on the inner wall of the protective box.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear view of the protective case structure of the present invention;
FIG. 3 is a schematic view of the inner wall structure of the protection box of the present invention.
In the figure: 1. a base; 2. a protective box; 3. a protective bracket; 4. a top frame; 5. a force-releasing shell cover; 6. a spring post; 7. a frequency converter; 8. a linking frame; 9. a support bar; 10. a limiting rotating shaft; 11. a strut; 12. a buckle frame; 13. mounting a column; 14. a spring; 15. a rubber plate; 16. a mounting seat; 17. a box door; 18. foam damping cotton; 19. a stop lever.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, a pressure-resistant and impact-resistant frequency converter has a base 1, a protective bracket 3 welded to the top end of the base 1, the top end of the protective bracket 3 is welded with a top frame 4, the top end of the base 1 is provided with a protective box 2 by a bolt, the protective box 2 is positioned in the protective bracket 3, the frequency converter 7 is arranged in the protective box 2 by bolts, the two sides of the frequency converter 7 are provided with connecting frames 8 by bolts, one end of each connecting frame 8 is provided with a support rod 9 by bolts, the supporting rod 9 and the inner wall of the protective box 2 are welded with each other, the surface of the protective bracket 3 is welded with a limiting rotating shaft 10, the surface of the limiting rotating shaft 10 is welded with a supporting rod 11, the bottom end of the supporting rod 11 is welded with a buckle frame 12, the welding of base 1 top has erection column 13, spring 14 is installed to erection column 13 top surface bolt, spring 14 top buckle is installed in buckle frame 12.
Preferably, 4 tops of roof-rack are inlayed and are had the power of letting out clamshell 5, the power of letting out clamshell 5 is made for the arc metal sheet, 4 bottom bolts on the roof-rack install spring post 6, 6 bottoms of spring post lean on in 2 top surfaces of protective housing, through 4 tops of roof-rack inlayed power of letting out clamshell 5, just do benefit to and sideslip the pressure that will act on whole device top to carry out the pressure release, be used for resisting the pressure as for whole device top, simultaneously through the spring post 6 of 4 bottom bolts installations on the roof-rack, can utilize spring post 6 to cushion pressure when whole roof-rack 4 atress excessively warp, thereby avoid the impact force direct action on 2 surfaces of protective housing, cause the damage to 2 inside converters 7 of protective housing.
Preferably, the stop lever 19 is rotatably installed in the protection bracket 3, and the stop lever 19 rotatably installed in the protection bracket 3 is convenient for resisting the impact from the side surface of the protection bracket 3, so that the situation that the foreign object directly impacts the surface of the protection box 2 is avoided.
Preferably, base 1 bottom surface mosaic has mount pad 16, the pressfitting has rubber slab 15 between mount pad 16 and the base 1, and through the mosaic mount pad 16 of base 1 bottom surface, conveniently fix whole device, simultaneously through the rubber slab 15 of pressfitting between mount pad 16 and the base 1, the impact resistance that just does benefit to through the elasticity of rubber slab 15 to add whole device.
Preferably, a box door 17 is installed on the surface of one side of the protection box 2 through bolts, and the box door 17 installed on the surface of one side of the protection box 2 through bolts is convenient for maintaining and replacing the frequency converter 7 in the protection box 2.
Preferably, the foam damping cotton 18 is pressed on the inner wall of the protection box 2, and the foam damping cotton 18 pressed on the inner wall of the protection box 2 is beneficial to improving the impact resistance and the pressure resistance of the protection box 2.
It should be noted that, when working, the whole device is fixed on the equipment or ground through the mounting base 16 and the bolt, the protective box 2 installed through the bolt on the top end of the base 1 can play a role of protecting the frequency converter 7, and avoid the situation that the external sharp or small object directly contacts the frequency converter 7, when the whole device is subject to the external pressure and the impact force, the pressure acting on the top end of the whole device can be conveniently sideslipped through the releasing shell cover 5 embedded on the top end of the top frame 4, so as to release the pressure, and is used for resisting the pressure on the top end of the whole device, meanwhile, the spring column 6 installed through the bolt on the bottom end of the top frame 4 can buffer the pressure intensity when the whole top frame 4 is excessively deformed by the force, thereby avoiding the impact force directly acting on the surface of the protective box 2 and causing damage to the frequency converter 7 inside the protective box 2, when the protective bracket 3 is deformed and displaced by too strong pressure, the limit rotating shaft 10 is extruded, thereby shifting the pressure to the strut 11, moving the strut 11 toward the mounting post 13, thereby buffering the pressure with the spring 14 bolted to the top surface of the mounting post 13, thereby improving the impact resistance effect of the whole device, avoiding the situation that the whole device is damaged and broken due to overhigh instant pressure intensity, meanwhile, the stop lever 19 rotationally mounted in the protective bracket 3 is beneficial to resisting the impact from the side surface of the protective bracket 3 and avoiding the occurrence of the condition that foreign objects directly impact the surface of the protective box 2, the rubber plate 15 pressed between the mounting seat 16 and the base 1 is beneficial to increasing the impact resistance of the whole device through the elasticity of the rubber plate 15, the foam damping cotton 18 pressed on the inner wall of the protective box 2 is beneficial to improving the impact resistance and the pressure resistance of the protective box 2.
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 (6)
1. The utility model provides a frequency converter that resistance to compression is anti-impact, includes base (1), its characterized in that: the protective frame (3) is welded at the top end of the base (1), an upper frame (4) is welded at the top end of the protective frame (3), a protective box (2) is installed on the top end of the base (1) through bolts, the protective box (2) is located in the protective frame (3), a frequency converter (7) is installed on the internal bolts of the protective box (2), linking frames (8) are installed on two sides of the frequency converter (7) through bolts, a supporting rod (9) is installed on one end of each linking frame (8) through bolts, the supporting rod (9) and the inner wall of the protective box (2) are welded with each other, a limiting rotating shaft (10) is welded on the surface of the protective frame (3), a supporting rod (11) is welded on the surface of the limiting rotating shaft (10), a buckle frame (12) is welded at the bottom end of the supporting rod (11), a mounting column (13) is welded at the top, the top end of the spring (14) is arranged in the buckle frame (12) in a buckling mode.
2. The frequency converter of claim 1, wherein: roof-rack (4) top is inlayed and is had stress relief clamshell (5), stress relief clamshell (5) are made for the arc metal sheet, spring post (6) are installed to roof-rack (4) bottom bolt, spring post (6) bottom is supported and is leaned on in protective housing (2) top surface.
3. The frequency converter of claim 1, wherein: and a stop lever (19) is rotatably arranged in the protective bracket (3).
4. The frequency converter of claim 1, wherein: the base (1) bottom surface inlay has mount pad (16), pressfitting has rubber slab (15) between mount pad (16) and base (1).
5. The frequency converter of claim 1, wherein: and a box door (17) is mounted on the surface of one side of the protective box (2) through bolts.
6. The frequency converter of claim 1, wherein: the inner wall of the protective box (2) is pressed with foam damping cotton (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045955.8A CN110729877A (en) | 2019-10-30 | 2019-10-30 | Pressure-resistant and impact-resistant frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045955.8A CN110729877A (en) | 2019-10-30 | 2019-10-30 | Pressure-resistant and impact-resistant frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110729877A true CN110729877A (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911045955.8A Withdrawn CN110729877A (en) | 2019-10-30 | 2019-10-30 | Pressure-resistant and impact-resistant frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110729877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112751492A (en) * | 2020-12-29 | 2021-05-04 | 上海昌郓机电有限公司 | Three-phase grid-connected inverter adopting optical fiber transmission |
-
2019
- 2019-10-30 CN CN201911045955.8A patent/CN110729877A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112751492A (en) * | 2020-12-29 | 2021-05-04 | 上海昌郓机电有限公司 | Three-phase grid-connected inverter adopting optical fiber transmission |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200124 |
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| WW01 | Invention patent application withdrawn after publication |