CN215010038U - Noise-reducing and shock-absorbing frequency converter device - Google Patents
Noise-reducing and shock-absorbing frequency converter device Download PDFInfo
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- CN215010038U CN215010038U CN202121585448.6U CN202121585448U CN215010038U CN 215010038 U CN215010038 U CN 215010038U CN 202121585448 U CN202121585448 U CN 202121585448U CN 215010038 U CN215010038 U CN 215010038U
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Abstract
The utility model belongs to the technical field of frequency converters, in particular to a noise-reducing and shock-absorbing frequency converter device, which comprises a frequency converter shell, an electronic element, a shock-absorbing element and a sound-absorbing board arranged inside the frequency converter shell, wherein the side wall of the frequency converter shell is provided with a bracket, the electronic element is arranged at the bottom of the frequency converter shell, one end of the shock-absorbing element is connected with the bracket, and the other end of the shock-absorbing element is connected with the bottom of the frequency converter shell; damping element is equipped with damping spring, lower spring pad, goes up spring pad, piston rod, spring holder, inside damping spring was arranged in to the piston rod, damping spring's bottom and lower spring pad are connected, damping spring's top and last spring pad are connected, the utility model provides a current high-voltage inverter components and parts lose easily when vibrations, bad noise generation to lead to the problem of the great shortening of high-voltage inverter's life.
Description
Technical Field
The utility model belongs to the technical field of the converter, concretely relates to shock-absorbing converter device of making an uproar falls.
Background
The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device. With the rapid development of modern power electronic technology and microelectronic technology, high-voltage high-power variable-frequency speed regulation devices are continuously mature, and the high-voltage problem which is difficult to solve originally is solved well in recent years by device series connection or unit series connection.
The circuit topology is a circuit topology developed in recent years and mainly comprises an input transformer, a power unit and a control unit. The modular design is adopted, and the problem of high voltage is solved by adopting a method of mutually connecting power units in series, so that the modular high-voltage alternating-current motor can be directly driven, an output transformer is not needed, and a filter in any form is not needed. Since not all power cells output power with the difference of the load ratio, the harmonics cannot cancel each other out. Thus, below rated load, the harmonics increase very quickly. For the same reason, the starting torque is smaller, the motor jitter is larger, and the noise is higher. Because contain most semiconductor components and parts among the high-voltage inverter, these components and parts damage more easily when vibrations to lead to the great shortening of life of high-voltage inverter, so design a section vibration/noise reduction's high-voltage inverter is especially important.
Chinese patent with application number CN201821435773.2 discloses a frequency converter capable of reducing noise and eliminating noise, which comprises a frequency converter shell, the inner wall of the frequency converter shell is provided with an silencing layer, the silencing layer comprises two or more layers of silencing sheets, a silencing cavity is formed between the silencing sheets and the silencing sheet, a sealing partition plate with a plurality of vertical arrangement with the silencing sheets is arranged in the silencing cavity, the sealing partition plate is annular and is connected with two adjacent silencing sheets along the inner edge and the outer edge respectively, a silencing partition plate is arranged between the two adjacent sealing partition plates, and the silencing partition plate and the sealing partition plate are arranged in parallel. The utility model discloses a noise that the converter produced in the course of the work can be eliminated.
However, the high-voltage inverter in the above prior art includes many semiconductor devices, and these devices are more easily damaged when vibrating, so that the service life of the high-voltage inverter is greatly shortened.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model provides a vibration-reducing converter device of making an uproar falls for solve current high-voltage inverter components and parts and damage easily, produce the noise when vibrations, thereby lead to the problem of the great shortening of life of high-voltage inverter.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the vibration absorption plate comprises a frequency converter shell, an electronic element, a vibration absorption element and a sound absorption plate arranged in the frequency converter shell, wherein a support is arranged on the side wall of the frequency converter shell, the electronic element is arranged at the bottom of the frequency converter shell, one end of the vibration absorption element is connected with the support, and the other end of the vibration absorption element is connected with the bottom of the frequency converter shell;
the damping element is provided with a damping spring, a lower spring pad, an upper spring pad, a piston rod and a spring seat, the piston rod is arranged inside the damping spring, the bottom of the damping spring is connected with the lower spring pad, and the top of the damping spring is connected with the upper spring pad.
The frequency converter shell is connected with the shock absorption element, the shock absorption spring in the shock absorption element can effectively filter and absorb shock generated by the frequency converter, vibration generated by the frequency converter in working can be effectively reduced, and the sound absorption board can absorb noise generated by the frequency converter in working, so that the purposes of eliminating shock of the frequency converter and noise generated are achieved.
Furthermore, mounting seats are arranged at two ends of the damping element, one of the two mounting seats is connected with the bottom of the shell of the frequency converter, and the other of the two mounting seats is connected with the bracket.
Further, one end of the spring seat is connected with the mounting seat, and the other end of the spring seat is connected with the damping spring.
Furthermore, the bottom and the side wall of the frequency converter shell are also provided with silencing cavities, and the sound-absorbing boards are arranged in the silencing cavities.
Further, the frequency converter shell is also provided with a ventilation opening.
The ventilation opening keeps the air circulation in the frequency converter, and the heat generated in the working process of the frequency converter flows out along with the air to achieve the heat dissipation effect.
Further, the frequency converter further comprises a mounting bottom plate, and the upper surface of the mounting bottom plate is connected with the frequency converter shell.
The mounting base plate is convenient for on the one hand with converter fixed mounting at the workplace, and the other side can play dampproofing effect, alleviates moist environment to electronic component's in the converter influence.
Compared with the prior art, the utility model, following beneficial effect has:
1. the shell of the frequency converter is connected with the damping element, and a damping spring in the damping element can effectively filter and absorb the vibration generated by the frequency converter, so that the vibration generated by the frequency converter in the working process can be effectively reduced, and the aim of damping is fulfilled;
2. the shell of the frequency converter is provided with a silencing cavity, and an acoustic board is placed in the silencing cavity and can absorb noise generated in the working process of the frequency converter to achieve the purpose of noise reduction.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a noise-reducing and shock-absorbing frequency converter device according to the present invention;
fig. 2 is a schematic right view of an embodiment of a noise-reducing and shock-absorbing frequency converter device according to the present invention;
fig. 3 is a cross-sectional view of C-C in fig. 2.
Reference numerals in the drawings of the specification include:
the vibration-damping device comprises a frequency converter shell 1, a ventilation opening 101, an electronic element 102, a support 103, a sound-damping cavity 104, a mounting base plate 2, a vibration-damping element 3, a vibration-damping spring 301, a lower spring pad 302, an upper spring pad 303, a piston rod 304, a mounting seat 305, a spring seat 306 and a sound-absorbing plate 4.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-3, a noise-reducing and shock-absorbing frequency converter device comprises a frequency converter shell 1, an electronic component 102, a shock-absorbing component 3 and a sound-absorbing board 4 installed inside the frequency converter shell 1, wherein a bracket 103 is arranged on the side wall of the frequency converter shell 1, the electronic component 102 is arranged at the bottom of the frequency converter shell 1, one end of the shock-absorbing component 3 is connected with the bracket 103, and the other end of the shock-absorbing component 3 is connected with the bottom of the frequency converter shell 1;
the damping element 3 is provided with a damping spring 301, a lower spring pad 302, an upper spring pad 303, a piston rod 304 and a spring seat 306, the piston rod 304 is arranged inside the damping spring 301, the bottom of the damping spring 301 is connected with the lower spring pad 302, and the top of the damping spring 301 is connected with the upper spring pad 303.
The frequency converter shell 1 is connected with the damping element 3, the damping spring 301 in the damping element 3 can effectively filter and absorb the vibration generated by the frequency converter, the vibration generated by the frequency converter in the work can be effectively reduced, and the sound-absorbing board 4 can absorb the noise generated in the work of the frequency converter, so that the purposes of eliminating the vibration of the frequency converter and the generated noise are achieved.
The damping element 3 is provided with mounting seats 305 at both ends, one of the two mounting seats 305 being connected to the bottom of the frequency converter housing 1 and the other of the two mounting seats 305 being connected to the bracket 103.
Example two:
as a further improvement of the previous embodiment, as shown in fig. 1-3, a noise-reducing and vibration-damping frequency converter device includes a frequency converter housing 1, an electronic component 102, a vibration-damping component 3, and a sound-absorbing board 4 installed inside the frequency converter housing 1, wherein a support 103 is provided on a side wall of the frequency converter housing 1, the electronic component 102 is disposed at the bottom of the frequency converter housing 1, one end of the vibration-damping component 3 is connected with the support 103, and the other end of the vibration-damping component 3 is connected with the bottom of the frequency converter housing 1;
the damping element 3 is provided with a damping spring 301, a lower spring pad 302, an upper spring pad 303, a piston rod 304 and a spring seat 306, the piston rod 304 is arranged inside the damping spring 301, the bottom of the damping spring 301 is connected with the lower spring pad 302, and the top of the damping spring 301 is connected with the upper spring pad 303.
The frequency converter shell 1 is connected with the damping element 3, the damping spring 301 in the damping element 3 can effectively filter and absorb the vibration generated by the frequency converter, the vibration generated by the frequency converter in the work can be effectively reduced, and the sound-absorbing board 4 can absorb the noise generated in the work of the frequency converter, so that the purposes of eliminating the vibration of the frequency converter and the generated noise are achieved.
The damping element 3 is provided with mounting seats 305 at both ends, one of the two mounting seats 305 being connected to the bottom of the frequency converter housing 1 and the other of the two mounting seats 305 being connected to the bracket 103.
One end of the spring seat 306 is connected to the mount 305, and the other end of the spring seat 306 is connected to the damper spring 301.
The bottom and the side wall of the frequency converter shell 1 are also provided with a silencing cavity 104, and the sound-absorbing plate 4 is arranged in the silencing cavity 104.
The frequency converter housing 1 is further provided with a ventilation opening 101.
The ventilation opening 101 keeps the air circulation in the frequency converter, so that the heat generated in the working process of the frequency converter flows out along with the air to achieve the heat dissipation effect.
The frequency converter further comprises a mounting base plate 2, and the upper surface of the mounting base plate 2 is connected with the frequency converter shell 1.
Compared with the first embodiment, the mounting base plate in the second embodiment facilitates the fixed mounting of the frequency converter on a working site on one hand, and can play a role in preventing moisture on the other hand, so that the influence of a humid environment on electronic components in the frequency converter is reduced.
The use method of the device comprises the following steps:
first, the frequency converter is fixedly installed at a desired working place through the installation base plate 2, and the electronic component 102 may generate vibration, noise, and heat when the frequency converter is operated. When the frequency converter vibrates, the damping spring 301 in the damping element 3 filters and absorbs the vibration generated by the frequency converter to achieve the purpose of damping; the sound absorption plate 4 is arranged in the sound absorption cavity 104 arranged in the shell 1 of the frequency converter, and can absorb noise generated in the working process of the frequency converter to achieve the purpose of noise reduction; the ventilation opening 101 keeps the air circulation in the frequency converter, so that the heat generated in the working process of the frequency converter flows out along with the air to achieve the heat dissipation effect.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics of the embodiments is not described herein, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a vibration-damping converter device of making an uproar falls which characterized in that: the vibration absorption and vibration reduction device comprises a frequency converter shell (1), an electronic element (102), a vibration absorption element (3) and a sound absorption board (4) installed in the frequency converter shell (1), wherein a support (103) is arranged on the side wall of the frequency converter shell (1), the electronic element (102) is arranged at the bottom of the frequency converter shell (1), one end of the vibration absorption element (3) is connected with the support (103), and the other end of the vibration absorption element (3) is connected with the bottom of the frequency converter shell (1);
damping element (3) are equipped with damping spring (301), spring pad (302) down, go up spring pad (303), piston rod (304), spring holder (306), inside damping spring (301) was arranged in to piston rod (304), the bottom and the spring pad (302) down of damping spring (301) are connected, the top and the last spring pad (303) of damping spring (301) are connected.
2. A noise reducing and vibration damping frequency converter apparatus as claimed in claim 1, wherein: and mounting seats (305) are arranged at two ends of the damping element (3), one of the two mounting seats (305) is connected with the bottom of the frequency converter shell (1), and the other of the two mounting seats (305) is connected with the bracket (103).
3. A noise reducing and vibration damping frequency converter apparatus as claimed in claim 2, wherein: one end of the spring seat (306) is connected with the mounting seat (305), and the other end of the spring seat (306) is connected with the damping spring (301).
4. A noise reducing and vibration damping frequency converter apparatus as claimed in claim 3, wherein: the bottom and the side wall of the frequency converter shell (1) are also provided with a silencing cavity (104), and the sound absorption plate (4) is arranged in the silencing cavity (104).
5. A noise reducing and vibration damping frequency converter device according to claim 4, wherein: the frequency converter shell (1) is also provided with a ventilation opening (101).
6. A noise reducing and vibration damping frequency converter device according to claim 5, wherein: the frequency converter is characterized by further comprising a mounting base plate (2), wherein the upper surface of the mounting base plate (2) is connected with the frequency converter shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585448.6U CN215010038U (en) | 2021-07-13 | 2021-07-13 | Noise-reducing and shock-absorbing frequency converter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585448.6U CN215010038U (en) | 2021-07-13 | 2021-07-13 | Noise-reducing and shock-absorbing frequency converter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215010038U true CN215010038U (en) | 2021-12-03 |
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ID=79126134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121585448.6U Active CN215010038U (en) | 2021-07-13 | 2021-07-13 | Noise-reducing and shock-absorbing frequency converter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215010038U (en) |
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2021
- 2021-07-13 CN CN202121585448.6U patent/CN215010038U/en active Active
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