CN215268047U - High-performance frequency converter with anti-harmonic function - Google Patents
High-performance frequency converter with anti-harmonic function Download PDFInfo
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- CN215268047U CN215268047U CN202121323933.6U CN202121323933U CN215268047U CN 215268047 U CN215268047 U CN 215268047U CN 202121323933 U CN202121323933 U CN 202121323933U CN 215268047 U CN215268047 U CN 215268047U
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Abstract
The utility model discloses a high performance converter with anti harmonic function relates to converter technical field. The utility model discloses a converter body, install in the wave filter body of converter body upside, its characterized in that: two damping mechanisms respectively located the protection shield of converter body both sides, install between converter body and protection shield. The utility model discloses a converter body upside sets up the filter body, can administer the harmonic current that the converter body produced, make the electric wire netting electric current only contain the fundamental wave electric current, set up the fan in protective plate one side, the fan is bloied from the radiating hole department and is dispelled the heat to converter body inside, accelerated the cooling to converter body inside, the life of converter body inner part has been prolonged, set up damper between protective plate and converter body, reduce the damage that causes converter body shell, and the protective plate can prevent that water from getting into this internal of converter from the radiating hole department, thereby the security of converter body has been promoted.
Description
Technical Field
The utility model belongs to the technical field of the converter, especially, relate to a high performance converter with anti harmonic function.
Background
The frequency converter is a power control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor, and the harmonic wave of the frequency converter is that an input power supply needs to be inverted by a high-power diode rectifier (or a transistor/inverter module) in the operation process of the frequency converter; in the inversion process, higher harmonics are generated in an input-output loop; the frequency converter harmonics cause interference to the power supply system, loads and other nearby electrical equipment. Generally speaking, harmonic waves of a frequency converter have no obvious influence on a power system with relatively large capacity; for the power system with small capacity, the interference generated by the harmonic wave of the frequency converter cannot be ignored, and the frequency converter is a pollution to the public power grid.
Most high performance converters on the market all can produce the converter harmonic in the use, and the converter harmonic can reduce power equipment life, influences each electrical components normal work to can appear that the radiating efficiency is poor, the too high condition of temperature in the converter, and the damage appears in the easy bump of converter shell.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high performance converter with anti harmonic function, it is poor to have solved current high performance converter radiating efficiency, and the technical problem that the damage appears in the easy bump of converter shell.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
the utility model provides a high performance converter with anti harmonic function, includes the converter body, installs the filter body in converter body upside, its characterized in that: the two shock absorption mechanisms are respectively positioned on the two sides of the frequency converter body and arranged between the frequency converter body and the protection plates;
the louvre has been seted up to one side that the converter body is close to the protection shield, and the fan has all been installed to the relative inboard of two protection shields, and sliding fit has the plate body between the upper portion of two protection shields, and two spouts have been seted up to the inboard of protection shield, and damper's one end sliding fit is in the spout.
Optionally, the damping mechanism includes a telescopic rod fixed on one side of the protection plate, a rotating shaft fixed on one side of the frequency converter body, a support rod rotationally fitted around the rotating shaft, a sliding block rotationally fitted at one end of the support rod, a first spring fixed between the sliding block and the sliding groove, and a second spring rotationally fitted between the cylinder and the support rod.
Optionally, one end of the telescopic rod is fixedly connected with the rotating shaft, and the sliding block is in sliding fit in the sliding groove.
Optionally, the two damping mechanisms are respectively located at the upper side and the lower side of the fan, and the fan corresponds to the heat dissipation holes.
Optionally, the protection plate is an L-shaped structural plate, and one end of the L-shaped structural plate is slidably fitted in the middle of one side of the plate body.
Optionally, the plate body and the L-shaped structural plates on opposite sides form a U-shaped structural assembly.
The embodiment of the utility model has the following beneficial effect:
the embodiment of the utility model can treat the harmonic current generated by the frequency converter body by arranging the filter body on the upper side of the frequency converter body, so that the grid current only contains fundamental wave current, the characteristics of the frequency converter body are not influenced by a system, the danger of harmonic amplification is avoided, the fan is arranged on one side of the protective plate, the heat dissipation holes are formed in the opposite side of the frequency converter body, the fan blows air from the heat dissipation holes to dissipate heat in the frequency converter body, the cooling of the interior of the frequency converter body is accelerated, the service life of parts in the frequency converter body is prolonged, a damping mechanism is arranged between the protective plate and the frequency converter body, the damping mechanism can play a role of buffering when collision occurs, the damage to the shell of the frequency converter body is reduced, and the protection shield can prevent water from entering the frequency converter body from the radiating hole, thereby improving the safety of the frequency converter body.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an assembled three-dimensional structure of a frequency converter body and a filter body according to an embodiment of the present invention;
fig. 2 is a schematic view of an assembled three-dimensional structure of a protection plate and a fan according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic view of an assembly profile structure of the heat dissipation holes and the damping mechanisms according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
the frequency converter comprises a frequency converter body 1, a filter body 2, a plate body 3, a protection plate 4, a sliding groove 401, a fan 5, a heat dissipation hole 6, a damping mechanism 7, a telescopic rod 701, a first spring 702, a rotating shaft 703, a support rod 704, a second spring 705 and a sliding block 706.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
Referring to fig. 1-4, in the present embodiment, a high performance frequency converter with anti-harmonic function is provided, including: converter body 1, install in the filter body 2 of 1 upside of converter body, its characterized in that: two protection plates 4 respectively positioned at two sides of the frequency converter body 1 and two damping mechanisms 7 arranged between the frequency converter body 1 and the protection plates 4;
one side of the frequency converter body 1 close to the protection plates 4 is provided with heat dissipation holes 6, the opposite inner sides of the two protection plates 4 are provided with fans 5, the upper parts of the two protection plates 4 are in sliding fit with plate bodies 3, the inner sides of the protection plates 4 are provided with two sliding grooves 401, and one ends of the shock absorption mechanisms 7 are in sliding fit in the sliding grooves 401. And the plate body 3 is located on the upper side of the filter body 2.
The application of one aspect of the embodiment is as follows: when the high-performance frequency converter with the anti-harmonic function is used, the filter body 2 is firstly connected in series or in parallel in the main circuit, harmonic current generated by the frequency converter body 1 is detected from a compensation object in real time, a compensation current which is equal to the harmonic current of the frequency converter body 1 in magnitude and opposite in direction is generated by the compensation device, so that the power grid current only contains fundamental wave current, the filter body 2 can track and compensate the harmonic current generated by the frequency converter body 1 with variable frequency and amplitude, the harmonic current generated by the frequency converter body 1 is treated, then the fan 5 on one side of the protection plate 4 is started, the fans 5 on two opposite sides blow from the heat dissipation holes 6 to dissipate heat inside the frequency converter body 1, when the frequency converter body 1 collides, two damping mechanisms 7 between the protection plate 4 and the frequency converter body 1 damp, and opposite ends of the two protection plates 4 are in sliding fit in the plate body 3, then two protection shield 4 protect the both sides of converter body 1 and wave filter body 2, effectively prevent water from getting into from the louvre 6 of converter body 1 both sides when reducing the collision to the use operation to this high performance converter has been accomplished. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.
By arranging the filter body 2 on the upper side of the frequency converter body 1, the harmonic current generated by the frequency converter body 1 can be treated, so that the power grid current only contains fundamental current, the characteristics of the frequency converter body 1 are not influenced by a system, the danger of harmonic amplification is avoided, the fan 5 is arranged on one side of the protective plate 4, the heat dissipation holes 6 are arranged on the opposite side of the frequency converter body 1, the fan 5 blows from the heat dissipation holes 6 to dissipate heat inside the frequency converter body 1, the cooling of the inside of the frequency converter body 1 is accelerated, the service life of parts in the frequency converter body 1 is prolonged, the shock absorption mechanism 7 is arranged between the protection plate 4 and the frequency converter body 1, the shock absorption mechanism 7 can play a role of buffering when collision occurs, the damage to the shell of the frequency converter body 1 is reduced, and the protection shield 4 can prevent water from entering the frequency converter body 1 from the heat dissipation holes 6, thereby improving the safety of the frequency converter body 1.
Referring to fig. 2-3, the damping mechanism 7 of the present embodiment includes a telescopic rod 701 fixed on one side of the protection plate 4, a rotating shaft 703 fixed on one side of the frequency converter body 1, a supporting rod 704 rotatably fitted around the rotating shaft 703, a sliding block 706 rotatably fitted on one end of the supporting rod 704, a first spring 702 fixed between the sliding block 706 and the sliding slot 401, and a second spring 705 rotatably fitted between the telescopic rod 701 and the supporting rod 704. Telescopic link 701 includes the barrel, the body of rod of sliding fit in the barrel, the one end and the 4 fixed connection of protection shield of barrel, the one end and the pivot 703 fixed connection of the body of rod, second spring 705 can play the effect that elasticity resets to bracing piece 704, when the collision takes place, protection shield 4 extrudees to the one side that is close to converter body 1, then the barrel moves to one side of converter body 1, make in the body of rod indentation barrel, then the one end of bracing piece 704 drives slider 706 sliding fit and extrudes first spring 702 in spout 401, bracing piece 704 rotates along the week side of pivot 703 simultaneously, on the contrary the same principle, thereby reach cushioning effect to protection shield 4, make protection shield 4 protect the shell of converter body 1 and reduce the collision.
Referring to fig. 2-3, one end of the telescopic rod 701 of the present embodiment is fixedly connected to the rotating shaft 703, and the sliding block 706 is slidably engaged in the sliding groove 401. The sliding fit of the slider 706 within the channel 401 compresses or decompresses the first spring 702.
Referring to fig. 4, the two damping mechanisms 7 of the present embodiment are respectively located at the upper and lower sides of the fan 5, and the fan 5 corresponds to the heat dissipation holes 6. The fan 5 blows from the heat dissipation hole 6 to dissipate heat inside the frequency converter body 1, and the two damping mechanisms 7 can increase the buffering force of the protection plate 4.
Referring to fig. 4, the protection plate 4 of the present embodiment is an L-shaped structure plate, and one end of the L-shaped structure plate is slidably fitted in the middle of one side of the plate body 3.
Referring to fig. 1, the plate body 3 of the present embodiment and the L-shaped structural plates on two opposite sides form a U-shaped structural assembly. The U-shaped structural component protects the upper side and two sides of the frequency converter body 1 and the filter body 2.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Claims (6)
1. A high-performance frequency converter with an anti-harmonic function, comprising: converter body (1), install in filter body (2) of converter body (1) upside, its characterized in that: the two shock absorption mechanisms (7) are respectively positioned on the two sides of the frequency converter body (1) and the protection plates (4) and arranged between the frequency converter body (1) and the protection plates (4);
one side of the frequency converter body (1) close to the protection plates (4) is provided with heat dissipation holes (6), the opposite inner sides of the two protection plates (4) are provided with fans (5), the upper parts of the two protection plates (4) are in sliding fit with plate bodies (3), the inner sides of the protection plates (4) are provided with two sliding grooves (401), and one ends of the damping mechanisms (7) are in sliding fit in the sliding grooves (401).
2. A high-performance frequency converter with anti-harmonic function according to claim 1, wherein the damping mechanism (7) comprises a telescopic rod (701) fixed to one side of the protection plate (4), a rotating shaft (703) fixed to one side of the frequency converter body (1), a support rod (704) rotatably fitted to the periphery of the rotating shaft (703), a slider (706) rotatably fitted to one end of the support rod (704), a first spring (702) fixed between the slider (706) and the chute (401), and a second spring (705) rotatably fitted between the telescopic rod (701) and the support rod (704).
3. The high-performance frequency converter with the anti-harmonic function according to claim 2, wherein one end of the telescopic rod (701) is fixedly connected with the rotating shaft (703), and the sliding block (706) is in sliding fit in the sliding groove (401).
4. The high-performance inverter with anti-harmonic function according to claim 1, wherein the two damping mechanisms (7) are respectively located at the upper and lower sides of the fan (5), and the fan (5) corresponds to the heat dissipation holes (6).
5. A high-performance inverter having an anti-harmonic function according to claim 1, wherein the protection plate (4) is an L-shaped structure plate, and one end of the L-shaped structure plate is slidably fitted in the middle of one side of the plate body (3).
6. A high-performance frequency converter with anti-harmonic function according to claim 5, characterized in that the plate body (3) and the L-shaped structural plates on the opposite sides form a U-shaped structural assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121323933.6U CN215268047U (en) | 2021-06-15 | 2021-06-15 | High-performance frequency converter with anti-harmonic function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121323933.6U CN215268047U (en) | 2021-06-15 | 2021-06-15 | High-performance frequency converter with anti-harmonic function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215268047U true CN215268047U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121323933.6U Active CN215268047U (en) | 2021-06-15 | 2021-06-15 | High-performance frequency converter with anti-harmonic function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215268047U (en) |
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2021
- 2021-06-15 CN CN202121323933.6U patent/CN215268047U/en active Active
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