CN214014136U - Frequency conversion box of compressor, compressor and refrigeration equipment - Google Patents
Frequency conversion box of compressor, compressor and refrigeration equipment Download PDFInfo
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- CN214014136U CN214014136U CN202022874048.9U CN202022874048U CN214014136U CN 214014136 U CN214014136 U CN 214014136U CN 202022874048 U CN202022874048 U CN 202022874048U CN 214014136 U CN214014136 U CN 214014136U
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Abstract
The utility model provides a frequency conversion box of compressor, including frequency conversion box body, frequency conversion lid and protection frame. The frequency conversion box body and the frequency conversion lid are provided with openings, and the frequency conversion box body and/or the frequency conversion lid are provided with self-locking structures, and the opening of the frequency conversion lid faces the opening of the frequency conversion box body and is clamped into the frequency conversion box body through the self-locking structures. The protection frame is connected in the side that the frequency conversion box body was kept away from to the frequency conversion lid, and the frequency conversion lid passes through the casing fixed connection of protection frame and compressor. The ratio of the projection area of the protective frame on the variable-frequency box body to the projection area of the variable-frequency box cover on the variable-frequency box body is 1: 4-1: 6. The vibration of compressor passes through the protection frame and transmits to middle medium frequency conversion lid, and the retransmission reaches the frequency conversion box body, and the vibration energy is consumed by the frequency conversion lid, effectively reduces the influence of vibration to the frequency conversion box body. On the other hand, the area of contact of protection frame and converter lid reduces, has effectively reduced the vibration of compressor and has transmitted to the converter lid through the protection frame to the noise abatement.
Description
Technical Field
The utility model relates to a refrigeration plant technical field, concretely relates to frequency conversion box, compressor and refrigeration plant of compressor.
Background
At present, due to the higher and higher requirements on energy conservation and environmental protection, frequency conversion equipment is applied more and more. The frequency conversion equipment is provided with a frequency conversion control panel, and the frequency conversion control panel is an electric control equipment which applies a frequency conversion technology and a microelectronic technology and controls the alternating current motor by changing the frequency mode of a motor working power supply of the frequency conversion compressor. The frequency conversion board needs to be installed in the frequency conversion box, and the box body of the frequency conversion box is connected with the shell of the compressor through the protection frame.
Traditional frequency conversion box is usually that the protection frame is installed in a side of box body, and for the stability of guaranteeing the installation, the protection frame extends to in the box body and installs with the inner wall cooperation of box body, and the overall dimension of protection frame is close with frequency conversion box overall dimension, and the protection frame is big with the area of contact of box body, and the vibration that compressor housing produced easily transmits to the box body from the protection frame, leads to the box body to produce the vibration to produce the noise, produce resonance even and lead to the internal frequency conversion board of box to drop and damage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a remedy the not enough of above-mentioned at least one technique, provide frequency conversion box, compressor and the refrigeration plant of compressor, solve among the prior art vibration that the compressor housing produced and easily transmit to the technical problem of frequency conversion box.
In a first aspect, the utility model provides a frequency conversion box of a compressor, which comprises a frequency conversion box body, a frequency conversion box cover and a protection frame;
the variable frequency box body and the variable frequency box cover are both provided with openings, a self-locking structure is arranged on the variable frequency box body and/or the variable frequency box cover, and the opening of the variable frequency box cover faces the opening of the variable frequency box body and is clamped into the variable frequency box body through the self-locking structure;
the protection frame is connected to the side face, far away from the variable-frequency box body, of the variable-frequency box cover, and the variable-frequency box cover is fixedly connected with the shell of the compressor through the protection frame; the ratio of the projection area of the protective frame on the variable-frequency box body to the projection area of the variable-frequency box cover on the variable-frequency box body is 1: 4-1: 6.
In a second aspect, the present invention provides a compressor, including the inverter box of the compressor of the first aspect.
In a third aspect, the present invention provides a refrigeration apparatus comprising the compressor of the second aspect.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
the utility model provides a frequency conversion box of compressor divide into frequency conversion box body and frequency conversion lid with the frequency conversion box, and the frequency conversion lid passes through the protection frame to be connected with the casing of compressor for the frequency conversion box is connected with the protection frame by original directness, becomes to be connected with the protection frame after passing through the frequency conversion lid again. The vibration of compressor passes through the protection frame and transmits to middle medium frequency conversion lid, and the retransmission reaches the frequency conversion box body, and the vibration energy is consumed by the frequency conversion lid, effectively reduces the influence of vibration to the frequency conversion box body. On the other hand, the ratio of the projection area of the protective frame on the variable-frequency box body to the projection area of the variable-frequency box cover on the variable-frequency box body is 1: 4-1: 6, the contact area of the protective frame and the variable-frequency box cover is reduced, vibration of the compressor is effectively reduced and transmitted to the variable-frequency box cover through the protective frame, and therefore noise is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a frequency conversion box according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a schematic structural diagram of a variable frequency box body according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a variable frequency box body according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a cover of a frequency conversion box according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cover of a frequency conversion box according to an embodiment of the present invention.
Description of reference numerals:
10-a frequency conversion box body, 11-a first buckle, 12-a second card slot, 13-a positioning card slot and 14-a limiting block;
20-a frequency conversion box cover, 21-a first clamping groove, 22-a second buckle and 23-a positioning buckle;
30-a protective frame; 40-frequency conversion board.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The description in the present application relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The embodiment of the first aspect of the present invention provides a frequency conversion box of a compressor, as shown in fig. 1 and 2, including a frequency conversion box body 10, a frequency conversion box cover 20 and a protection frame 30. The frequency conversion box body 10 and the frequency conversion box cover 20 are both provided with openings, and the frequency conversion box body 10 and/or the frequency conversion box cover 20 are provided with self-locking structures, and the opening of the frequency conversion box cover 20 faces the opening of the frequency conversion box body 10 and is clamped into the frequency conversion box body 10 through the self-locking structures. The protection frame 30 is connected to the side face of the inverter box cover 20 far away from the inverter box body 10, and the inverter box cover 20 is fixedly connected with the shell of the compressor through the protection frame 30. The ratio of the projection area of the protection frame 30 on the variable frequency box body 10 to the projection area of the variable frequency box cover 20 on the variable frequency box body 10 is 1:4 to 1: 6.
The appearance profile of frequency conversion box body 10 and frequency conversion lid 20 all can be the cube such as cuboid or square on the whole, and this cube all includes four sides, a bottom surface, and frequency conversion box body 10 fixed connection protection frame 30, and the connected mode can be threaded connection or welding. As shown in fig. 3 and 4, a clamping seat is disposed on the bottom surface of the variable frequency box 10, a variable frequency plate 40 can be mounted on the clamping seat, an elastic buckle can be disposed on the bottom surface of the variable frequency box 10 as needed, and the elastic buckle fixedly clamps the variable frequency plate 40 on the clamping seat on the bottom surface of the variable frequency box 10. Of course, the inverter box may be configured in other shapes according to the shape design of the inverter board 40 in the inverter box body 10.
The protection frame 30 may be fixedly connected to the shell of the compressor by screws, and the opening of the inverter box body 10 faces the opening of the inverter box cover 20 and is inserted into the inverter box cover 20. The frequency conversion box body 10 and the frequency conversion box cover 20 are provided with self-locking structures, and the frequency conversion box body 10 and the frequency conversion box cover 20 are detachably connected through the self-locking structures. The frequency conversion box body 10 and the frequency conversion box cover 20 can be made of plastic materials, the matching gap between the plastic and the plastic is small, and the plastic has high damping performance and is not easy to transmit vibration.
In order to reduce the transmission of vibration to the variable frequency box 10, the contact area between the protection frame 30 and the box cover should be made as small as possible, in this embodiment, the ratio of the projection area of the protection frame 30 on the variable frequency box 10 to the projection area of the variable frequency box cover 20 on the variable frequency box 10 is 1:4 to 1: 6. The protection frame 30 transmits the vibration to the intermediate medium frequency conversion box cover 20, the frequency conversion box cover 20 transmits the vibration to the frequency conversion box body 10, the protection frame 30 needs to support the weight of the frequency conversion box body 10 and the frequency conversion box cover 20, and therefore the protection frame 30 needs to have higher strength. The protective frame 30 may be made of metal, and the protective frame 30 may be made of low carbon steel in consideration of cost.
Divide into frequency conversion box body 10 and frequency conversion lid 20 with the frequency conversion box, frequency conversion lid 20 is connected with the casing of compressor through protection frame 30 for the frequency conversion box is connected with protection frame 30 by original directness, becomes to be connected with protection frame 30 after passing through frequency conversion lid 20 transition. The vibration of compressor passes through protection frame 30 and transmits to middle medium frequency conversion lid 20, transmits again to frequency conversion box body 10, and the vibration energy is consumed by frequency conversion lid 20, effectively reduces the influence of vibration to frequency conversion box body 10. On the other hand, the ratio of the projection area of the protection frame 30 on the variable frequency box body 10 to the projection area of the variable frequency box cover 20 on the variable frequency box body 10 is 1: 4-1: 6, the contact area of the protection frame 30 and the variable frequency box cover 20 is reduced, vibration of the compressor is effectively reduced and transmitted to the variable frequency box cover 20 through the protection frame 30, and therefore noise is reduced.
Optionally, as shown in fig. 3-6, in a specific implementation manner of the embodiment of the present invention, the self-locking structure includes a first buckle 11, a first card slot 21 matching with the first buckle 11, a second buckle 22, and a second card slot 12 matching with the second buckle 22. The first buckle 11 and the second clamping groove 12 are arranged on two opposite surfaces of the variable frequency box body 10. The second buckle 22 and the first clamping groove 21 are arranged on two opposite surfaces of the frequency converter cover 20. The first buckle 11 is arranged on the inner wall of the variable frequency box body 10, and the variable frequency box cover 20 is provided with a first clamping groove 21 corresponding to the first buckle 11. The second buckle 22 is arranged on the outer wall of one side of the frequency conversion box cover 20, which is opposite to the side provided with the first clamping groove 21, and the second clamping groove 12 is arranged on the frequency conversion box body 10. Two buckle structures are arranged to ensure the stability of connection between the frequency conversion box body 10 and the frequency conversion box cover 20. Frequency conversion box body 10 passes through self-locking structure joint with frequency conversion lid 20, and is difficult not hard up between frequency conversion box body 10 and the frequency conversion lid 20, can prevent effectively that frequency conversion box body 10 and frequency conversion lid 20 from separating in long-term vibration environment.
Optionally, as shown in fig. 2, in another specific implementation manner of the embodiment of the present invention, the self-locking structure further includes a positioning buckle 23 and a positioning slot 13. The positioning buckle 23 is arranged on the frequency conversion box cover 20, the positioning clamping groove 13 is matched with the positioning buckle 23, and the positioning clamping groove 13 is arranged on the frequency conversion box body 10. Because the opening of the frequency conversion box body 10 faces the opening of the frequency conversion box cover 20 and is inserted into the frequency conversion box cover 20, a part of the side surfaces of the frequency conversion box body 10 and the frequency conversion box cover 20 can be overlapped. The positioning buckle 23 is arranged on any side face of the frequency conversion box cover 20, the positioning clamping groove 13 is arranged on the side face of the frequency conversion box body 10 and corresponds to the position of the positioning buckle 23, the positioning clamping groove 13 is a U-shaped groove, and the U-shaped opening faces the positioning buckle 23 on the frequency conversion box cover 20. The positioning clamping groove 13 and the positioning buckle 23 are arranged to facilitate the installation of the frequency conversion box body 10 and the frequency conversion box cover 20.
As shown in fig. 4 and fig. 6, a limiting block 14 can be disposed on the inner wall of the right side surface of the frequency conversion box body 10 as required, a limiting groove can be correspondingly disposed on the frequency conversion plate 40, and the frequency conversion plate 40 can be positioned through the limiting block 14, so as to facilitate the installation of the frequency conversion plate 40.
Alternatively, as shown in fig. 5, in another specific implementation manner of the embodiment of the present invention, the protection frame 30 is connected between the center of the side surface of the cover 20 of the frequency converter and the boundary of the side surface. The protection frame 30 is installed at the right upper corner of the ground of the inverter box cover 20, so that the upper and lower weights of the inverter box cover 20 are not consistent, and the left and right weights are not consistent. The left and right sides, the upper and the lower sides of the frequency conversion box cover 20 are not symmetrical, so that resonance between the frequency conversion box cover 20 and the shell of the compressor can be effectively prevented.
Optionally, in a specific implementation manner of the embodiment of the present invention, a rubber pad (not shown in the figure) is disposed between the protection frame 30 and the cover 20. The compressor vibrates, and the inevitable relative friction that can produce between the converter lid 20 of metal protection frame 30 and plastics sets up the rubber pad and can play certain buffering and guard action between protection frame 30 and converter lid 20, reduces the impact of protection frame 30 to converter lid 20, prevents that protection frame 30 from rubbing protection frame 30.
Based on the same inventive concept, embodiments of the second aspect of the present invention provide a compressor, including the inverter box of the compressor of the first aspect. The casing of compressor is connected to the less protection frame 30 of frequency conversion box accessible structure, and the produced noise of compressor is littleer, and the frequency conversion box of split type design also is difficult to produce resonance with the casing, can effectively prolong the life of frequency conversion box to frequency conversion board 40 in the protection frequency conversion box body 10.
Based on the same technical concept, embodiments of the third aspect of the present invention provide a refrigeration apparatus, including the compressor of the embodiments of the second aspect. In refrigeration plant, the casing of compressor passes through the protection frame 30 that the volume is littleer to be connected with the frequency conversion box, and split type design is taken to the frequency conversion box, and the compressor is difficult for taking place resonance, and the noise is littleer, and refrigeration plant's life is longer, and the silence effect is better.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A frequency conversion box of a compressor is connected to the compressor and is characterized by comprising a frequency conversion box body, a frequency conversion box cover and a protection frame;
the variable frequency box body and the variable frequency box cover are both provided with openings, a self-locking structure is arranged on the variable frequency box body and/or the variable frequency box cover, and the opening of the variable frequency box cover faces the opening of the variable frequency box body and is clamped into the variable frequency box body through the self-locking structure;
the protection frame is connected to the side face, far away from the variable-frequency box body, of the variable-frequency box cover, and the variable-frequency box cover is fixedly connected with the shell of the compressor through the protection frame; the ratio of the projection area of the protective frame on the variable-frequency box body to the projection area of the variable-frequency box cover on the variable-frequency box body is 1: 4-1: 6.
2. The inverter box of a compressor according to claim 1, wherein the self-locking structure comprises a first snap, a first snap groove matched with the first snap, a second snap and a second snap groove matched with the second snap;
the first buckle and the second clamping groove are arranged on two opposite surfaces of the variable-frequency box body;
the second buckle and the first clamping groove are arranged on two opposite surfaces of the frequency conversion box cover.
3. The inverter box of a compressor according to claim 2, wherein the self-locking structure further comprises a positioning buckle and a positioning slot;
the positioning buckle is arranged on the frequency conversion box cover, the positioning clamping groove is matched with the positioning buckle, and the positioning clamping groove is arranged on the frequency conversion box body.
4. The inverter box of a compressor according to claim 1, wherein the protection frame is connected between a center of a side of the inverter box cover and the side boundary.
5. The inverter box of a compressor according to claim 1, wherein a rubber pad is disposed between the protection frame and the inverter box cover.
6. A compressor, characterized by comprising the inverter box of the compressor according to any one of claims 1 to 5.
7. A refrigeration apparatus, comprising the compressor of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022874048.9U CN214014136U (en) | 2020-12-04 | 2020-12-04 | Frequency conversion box of compressor, compressor and refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022874048.9U CN214014136U (en) | 2020-12-04 | 2020-12-04 | Frequency conversion box of compressor, compressor and refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214014136U true CN214014136U (en) | 2021-08-20 |
Family
ID=77309439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022874048.9U Active CN214014136U (en) | 2020-12-04 | 2020-12-04 | Frequency conversion box of compressor, compressor and refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214014136U (en) |
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2020
- 2020-12-04 CN CN202022874048.9U patent/CN214014136U/en active Active
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