CN213126736U - Fan frequency converter - Google Patents
Fan frequency converter Download PDFInfo
- Publication number
- CN213126736U CN213126736U CN202021764874.1U CN202021764874U CN213126736U CN 213126736 U CN213126736 U CN 213126736U CN 202021764874 U CN202021764874 U CN 202021764874U CN 213126736 U CN213126736 U CN 213126736U
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- Prior art keywords
- frequency converter
- buffer
- fan
- fan frequency
- shell
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a fan frequency converter, including the shell of fan frequency converter, the shell bottom is provided with elastic base, be provided with buffer between shell and the elastic base, buffer has four, sets up respectively on four corners of the shell bottom of fan frequency converter; the buffer device comprises a buffer cylinder, compressed gas is filled in the buffer cylinder, a piston rod is installed in the buffer cylinder in a sealing mode, the top of the piston rod is fixedly installed at the bottom of the shell, a sealing piston is fixedly installed at the bottom of the piston rod, and the sealing piston is installed in the buffer cylinder in a sealing mode; the utility model discloses in utilize the piston rod to promote sealed piston to extrude nitrogen gas downwards and offset and reduce the vibrations of fan converter, effectively reduced the vibrations of fan converter, make the fan converter can use for a long time, and then show the fault incidence that has reduced the fan converter, improved the life of fan converter.
Description
Technical Field
The utility model relates to a wind power equipment field of being correlated with specifically is a fan converter.
Background
Motors matched with fans in various mechanical and electrical equipment in various industries in China account for about 60 percent of the motor loading amount in China, and the consumed electric energy accounts for about one third of the total electricity generation amount in China; particularly, most of the fans have the phenomenon that a trolley is pulled by a large horse in the using process, and the flow, pressure, temperature and the like of gas need to be regulated frequently due to changes in production, process and the like; many units still adopt the lagging mode of adjusting the opening degree of a damper or a valve to adjust the flow, pressure, temperature and the like of the gas; the requirement of the process and the working condition on the gas flow regulation is actually met by artificially increasing the resistance and at the cost of wasting electric energy and money, and the laggard regulation mode wastes precious energy, has poor regulation precision, is difficult to meet the requirements of modern industrial production, service and the like, and has serious negative effect.
The appearance of the variable frequency speed regulator brings a revolution to an alternating current speed regulation mode. Along with the continuous improvement and development of the frequency conversion technology in the last ten years. The variable frequency speed regulation performance is gradually perfect, and the variable frequency speed regulation system is widely applied to alternating current speed regulation in different fields, brings considerable economic benefit for enterprises, and promotes the automation process of industrial production; the fan frequency converter is a special frequency converter customized for various fans; the variable frequency speed regulation is the best efficient speed regulation scheme, can realize stepless speed regulation of the fan, can conveniently form a closed-loop control system, and can realize constant pressure or constant flow control.
In the prior art, a conventional installation mode of a fan frequency converter is that a bolt is fixed on an installation plate of a control cabinet, but the frequency converter can cause loosening of internal components due to vibration and frequent faults after the control cabinet works in a high-vibration environment and is used for a short time; the fan frequency converter can generate great noise due to vibration; therefore, the development of the vibration-proof device of the fan frequency converter, which has the advantages of good vibration-proof effect, obvious noise reduction function, simple structure and looseness prevention, has very important significance.
Therefore, the inventor provides the fan frequency converter by integrating various factors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan converter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fan frequency converter comprises a shell of the fan frequency converter, wherein an elastic base is arranged at the bottom of the shell, four buffering devices are arranged between the shell and the elastic base and are respectively arranged on four corners of the bottom of the shell of the fan frequency converter; the buffer device comprises a buffer cylinder, compressed gas is filled in the buffer cylinder, a piston rod is installed in the buffer cylinder in a sealing mode, the top of the piston rod is fixedly installed at the bottom of the shell, a sealing piston is fixedly installed at the bottom of the piston rod, and the sealing piston is installed in the buffer cylinder in a sealing mode.
When in work: when the fan converter began the during operation, the fan converter can produce vibrations because of work, at this moment, can effectively reduce the vibrations of fan converter through the buffer that fan converter shell bottom set up, and concrete process is: when the fan frequency converter can produce vibrations because of work, the shaking force can transmit the piston rod through the shell of fan frequency converter, and the piston rod promotes sealed piston and extrudees nitrogen gas downwards and offsets and reduce the vibrations of fan frequency converter, has effectively reduced the vibrations of fan frequency converter, makes the fan frequency converter can use for a long time, and then is showing the fault incidence who has reduced the fan frequency converter, has improved the life of fan frequency converter.
As a further aspect of the present invention: the compressed gas is nitrogen, so that the piston rod is pushed to extrude the nitrogen downwards to the sealing piston to offset and reduce the vibration of the fan frequency converter.
As a further aspect of the present invention: the fan frequency converter is characterized in that a buffer spring is arranged in the buffer cylinder, the bottom of the buffer spring is fixedly arranged on the inner wall of the bottom in the buffer cylinder, and the top of the buffer spring is fixedly arranged on the sealing piston at the bottom of the piston rod, so that the buffer spring is extruded by the piston rod to further offset and reduce the vibration of the fan frequency converter.
As a further aspect of the present invention: elastic base is by being no less than two-layer sound absorbing layer and being no less than two-layer buffer layer and be the complex of form in turn and form, the outside of outmost buffer layer is provided with the steel sheet on the elastic base, and the fan converter of easy to assemble is convenient for disperse elastic base local pressure, prevents that elastic base from being pressed the deformation.
As a further aspect of the present invention: the sound absorption layer is made of raw materials of a porous foam board with hard texture, the porous foam board is light in weight, the weight of the elastic base is convenient to reduce, the sound absorption layer has a good noise absorption effect, and noise reduction is convenient.
As a further aspect of the present invention: the buffer layer is made by elastic rubber as raw and other materials, has certain elasticity, conveniently further reduces the vibrations of fan converter, further reduces the noise that fan converter produced because of vibrations.
As a further aspect of the present invention: be provided with the detection door on the shell, the detection door passes through hinge movable mounting on the shell, install the handle on the detection door, conveniently open the inside components and parts of detection door detection and maintenance fan converter, the maintenance of being convenient for.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides a fan frequency converter, the structure sets up ingenious and arrange rationally, the utility model discloses well utilize the piston rod to promote sealing piston and extrude nitrogen gas downwards and offset and reduce the vibrations of fan frequency converter, effectively reduced the vibrations of fan frequency converter, make the fan frequency converter can long-term use, and then show the fault incidence who has reduced the fan frequency converter, improved the life of fan frequency converter.
2. The utility model discloses the buffer spring bottom fixed mounting of further design is on the inner wall of bottom in buffer cylinder, and buffer spring's top fixed mounting is on the sealed piston of piston rod bottom, is convenient for utilize the piston rod to extrude buffer spring further offset and reduce the vibrations of fan converter.
3. The utility model discloses the elastic base of further design is alternate form complex by being no less than two-layer sound-absorbing layer and being no less than two-layer buffer layer and forms, the outside of the last outermost buffer layer of elastic base is provided with the steel sheet, and the fan converter of easy to assemble is convenient for disperse elastic base local pressure, prevents that elastic base from being pressed the deformation.
4. The utility model discloses be provided with on the shell of further design and detect the door, it passes through hinge movable mounting on the shell to detect the door, install the handle on detecting the door, conveniently open and detect the door and detect and maintain the inside components and parts of fan converter, the maintenance of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a fan frequency converter.
Fig. 2 is a sectional view of a buffering device in a fan frequency converter.
Fig. 3 is an enlarged view of a point a in the fan frequency converter.
In the figure: 1. an elastic base; 2. a buffer device; 3. a housing; 4. a detection gate; 41. a handle; 42. a hinge; 5. a buffer cylinder; 6. a piston rod; 7. a sealing piston; 8. a buffer spring; 9. a steel plate; 10. a sound absorbing layer; 11. a buffer layer.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a fan frequency converter includes a housing 3 of the fan frequency converter, an elastic base 1 is disposed at the bottom of the housing 3, a buffer device 2 is disposed between the housing 3 and the elastic base 1, and four buffer devices 2 are disposed at four corners of the bottom of the housing 3 of the fan frequency converter; the buffer device 2 comprises a buffer cylinder 5, compressed gas is filled in the buffer cylinder 5, a piston rod 6 is hermetically installed in the buffer cylinder 5, the top of the piston rod 6 is fixedly installed at the bottom of the shell 3, a sealing piston 7 is fixedly installed at the bottom of the piston rod 6, and the sealing piston 7 is hermetically installed in the buffer cylinder 5; the compressed gas is nitrogen, so that the piston rod 6 is used for pushing the nitrogen to extrude downwards to the sealing piston 7 to offset and reduce the vibration of the fan frequency converter; a buffer spring 8 is arranged in the buffer cylinder 5, the bottom of the buffer spring 8 is fixedly arranged on the inner wall of the bottom in the buffer cylinder 5, and the top of the buffer spring 8 is fixedly arranged on a sealing piston 7 at the bottom of the piston rod 6, so that the piston rod 6 is used for extruding the buffer spring 8 to further resist and reduce the vibration of the fan frequency converter; the elastic base 1 is formed by alternately compounding at least two sound absorption layers 10 and at least two buffer layers 11, and a steel plate 9 is arranged outside the outermost buffer layer 11 on the elastic base 1, so that a fan frequency converter is convenient to mount, the local pressure of the elastic base 1 is convenient to disperse, and the elastic base 1 is prevented from being pressed and deformed; the sound absorption layer 10 is made of a porous foam board with hard texture as a raw material, and the porous foam board is light in weight, so that the weight of the elastic base 1 is conveniently reduced, a good noise absorption effect is achieved, and noise reduction is facilitated; the buffer layer 11 is made of elastic rubber, has certain elasticity, and is convenient for further reducing the vibration of the fan frequency converter and further reducing the noise of the fan frequency converter caused by the vibration; be provided with on the shell 3 and detect door 4, it passes through hinge 42 movable mounting on shell 3 to detect door 4, install handle 41 on detecting door 4, conveniently open and detect door 4 and detect and maintain the inside components and parts of fan converter, the maintenance of being convenient for.
The utility model discloses a theory of operation is: when in work: the utility model discloses to prior art not enough and defect, provide a brand-new fan converter mounting means, when the fan converter began the during operation, the fan converter can produce vibrations because of work, at this moment, can effectively reduce the vibrations of fan converter through buffer 2 that 3 bottoms of fan converter shell set up, and concrete process is: when the fan frequency converter vibrates due to work, vibration force is transmitted to the piston rod 6 through the shell 3 of the fan frequency converter, and the piston rod 6 pushes the sealing piston 7 to extrude nitrogen downwards to counteract and reduce the vibration of the fan frequency converter; meanwhile, the piston rod 6 is utilized to downwards extrude the buffer spring 8 to further counteract and reduce the vibration of the fan frequency converter; in addition, as the elastic base 1 is formed by alternately compounding at least two sound absorption layers 10 and at least two buffer layers 11, the vibration of the fan frequency converter can be further effectively reduced, and the noise generated by the fan frequency converter due to the vibration can be absorbed and reduced; effectively reduced the vibrations and the noise of fan converter, made the fan converter can use for a long time, and then showing the fault incidence who has reduced the fan converter, improved the life of fan converter.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A fan frequency converter comprises a shell (3) of the fan frequency converter and is characterized in that an elastic base (1) is arranged at the bottom of the shell (3), a buffer device (2) is arranged between the shell (3) and the elastic base (1), and four buffer devices (2) are arranged and are respectively arranged on four corners of the bottom of the shell (3) of the fan frequency converter; the buffer device (2) comprises a buffer cylinder (5), compressed gas is filled in the buffer cylinder (5), a piston rod (6) is installed in the buffer cylinder (5) in a sealing mode, the top of the piston rod (6) is fixedly installed at the bottom of the shell (3), a sealing piston (7) is fixedly installed at the bottom of the piston rod (6), and the sealing piston (7) is installed in the buffer cylinder (5) in a sealing mode.
2. A blower frequency converter according to claim 1, wherein the compressed gas is nitrogen.
3. The fan frequency converter according to claim 1, characterized in that a buffer spring (8) is arranged in the buffer cylinder (5), the bottom of the buffer spring (8) is fixedly installed on the inner wall of the bottom in the buffer cylinder (5), and the top of the buffer spring (8) is fixedly installed on the sealing piston (7) at the bottom of the piston rod (6).
4. The fan frequency converter according to claim 1, characterized in that the elastic base (1) is formed by alternately compounding not less than two sound absorption layers (10) and not less than two buffer layers (11), and a steel plate (9) is arranged outside the outermost buffer layer (11) on the elastic base (1).
5. The fan frequency converter according to claim 4, characterized in that the sound absorption layer (10) is made of a hard-textured cellular foam board.
6. A fan frequency converter according to claim 4, characterized in that the damping layer (11) is made of elastic rubber.
7. The fan frequency converter according to any one of claims 1 to 6, wherein a detection door (4) is arranged on the housing (3), the detection door (4) is movably mounted on the housing (3) through a hinge (42), and a handle (41) is mounted on the detection door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764874.1U CN213126736U (en) | 2020-08-21 | 2020-08-21 | Fan frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764874.1U CN213126736U (en) | 2020-08-21 | 2020-08-21 | Fan frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126736U true CN213126736U (en) | 2021-05-04 |
Family
ID=75655159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021764874.1U Expired - Fee Related CN213126736U (en) | 2020-08-21 | 2020-08-21 | Fan frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213126736U (en) |
-
2020
- 2020-08-21 CN CN202021764874.1U patent/CN213126736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |