CN216599382U - Box structure of vector frequency converter - Google Patents
Box structure of vector frequency converter Download PDFInfo
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- CN216599382U CN216599382U CN202122771376.0U CN202122771376U CN216599382U CN 216599382 U CN216599382 U CN 216599382U CN 202122771376 U CN202122771376 U CN 202122771376U CN 216599382 U CN216599382 U CN 216599382U
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Abstract
The utility model is suitable for the technical field of vector frequency converters, and provides a box body structure of a vector frequency converter, which comprises a box body shell, wherein the front surface of the box body shell is fixedly connected with a limiting frame, the position, close to the top, of the outer surface of the limiting frame is provided with a limiting hole, the front surface of the box body shell is hinged with a box door, the box door is internally provided with a mounting groove, a connecting rod is arranged in the mounting groove, and the inner end surface of the connecting rod is fixedly connected with a limiting rod. The vector frequency converter is provided with the box body shell, the vector frequency converter is installed in the box body shell, after long-time work is carried out, hot air in the box body is driven to be discharged by starting the exhaust fan, meanwhile, the vector frequency converter is provided with the air holes, so that the air inlet device is convenient, the air circulation effect is achieved, further, in order to improve the heat dissipation effect, the air inlet fan is arranged, the efficiency of the air inlet device is improved, and the heat dissipation effect of the device is further improved.
Description
Technical Field
The utility model belongs to the technical field of vector frequency converters, and particularly relates to a box body structure of a vector frequency converter.
Background
The vector frequency converter technology is generated based on a DQ axis theory, and the basic idea of the vector frequency converter technology is to decompose the current of a motor into a D axis current and a Q axis current, wherein the D axis current is an exciting current, and the Q axis current is a moment current, so that the exciting current and the moment current of an alternating current motor can be separately controlled, the alternating current motor has the control characteristic similar to that of a direct current motor, the vector frequency converter technology is an ideal control theory designed for the alternating current motor, and the control characteristic of the alternating current motor is greatly improved. However, this control theory is not only applied to ac asynchronous motors, but also used in large quantities by dc variable frequency motors (BLDC, i.e. permanent magnet synchronous motors).
After the existing vector frequency converter is produced, the vector frequency converter can be directly used after being simply packaged, a large amount of high temperature can be generated in a box shell due to long-time use of the vector frequency converter, the service life of the device can be prolonged due to the long-time high temperature, and meanwhile, a large amount of dust can be drifted to the inside of the device due to the heat dissipation process, so that internal elements are damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a box body structure of a vector frequency converter, aiming at solving the problems that after the existing vector frequency converter is produced, the vector frequency converter can be simply packaged and directly handled, a large amount of high temperature can be generated in a box body shell after the existing vector frequency converter is used for a long time, the service life of a device can be reduced due to the long-time high temperature, and meanwhile, a large amount of dust can fall into the device in the heat dissipation process to cause damage to internal elements.
The utility model is realized in such a way, the box body structure of the vector frequency converter comprises a box body shell, wherein a limiting frame is fixedly connected to the front surface of the box body shell, a limiting hole is formed in the position, close to the top, of the outer surface of the limiting frame, a box door is hinged to the front surface of the box body shell, a mounting groove is formed in the box door, a connecting rod is arranged in the mounting groove, a limiting rod is fixedly connected to the inner end face of the connecting rod, the handle is pulled to drive the limiting rod to slide along the limiting hole by pulling the handle, so that a spring is driven to compress, namely the limiting rod is separated from the limiting hole, the door is opened, the handle is pulled when the door is closed, so that the spring is compressed, after the box door is closed, the handle is loosened, the limiting rod is pushed by the spring to enter the limiting hole, so that the box door is closed;
a first filter screen frame is embedded in the upper surface of the box body shell, a first filter screen is arranged in the first filter screen frame, and an exhaust fan is fixedly connected to the top in the box body shell;
the bleeder vent has been seted up to box shell symmetry surface, the internal surface that box shell is located the bleeder vent position is seted up flutedly, one of them fixedly connected with air inlet fan in the recess, another be provided with second screen frame in the recess, be provided with the second filter screen in the second screen frame, install the vector converter to the box shell in, carry out long-time work back, through starting the air discharge fan, drive box internal hot air and get rid of, be provided with the bleeder vent simultaneously, make things convenient for air admission device, play the effect of circulation of air, further in order to promote the radiating effect, it is provided with the air inlet fan, the air inlet fan plays the efficiency that promotes air admission device, and then hoisting device's radiating effect.
Preferably, the position of the limiting rod is matched with the position of the limiting hole, and the outer surface of the limiting rod is in sliding connection with the inner surface of the limiting hole.
Preferably, the outer end face of the connecting rod is fixedly connected with a handle, and the handle is positioned outside the box door.
Preferably, the outer surface of the connecting rod is provided with a spring, the spring is in a compression arrangement, and the spring is positioned in the mounting groove.
Preferably, the inner surface of the box door is matched with the position of the limiting frame.
Preferably, the second filter screen frame is fixedly connected with the box body shell through fastening screws, and the first filter screen frame is fixedly connected with the top of the box body shell through fastening screws.
Compared with the prior art, the utility model has the beneficial effects that:
1. the box body structure of the vector frequency converter is provided with the box body shell, the vector frequency converter is installed in the box body shell, hot air in the box body is driven to be discharged by starting the exhaust fan after long-time work is carried out, meanwhile, the air vent is arranged, the air inlet device is convenient, the air circulation effect is achieved, further, in order to improve the heat dissipation effect, the air inlet fan is arranged, the air inlet fan is used for improving the efficiency of the air inlet device, and further the heat dissipation effect of the device is improved.
2. The box body structure of the vector frequency converter is provided with the limiting frame and the handle, the handle is arranged in a matching mode, the handle is pulled to drive the limiting rod to slide along the limiting hole, so that the spring is driven to compress, namely, the limiting rod is separated from the limiting hole, the door is opened, the handle is pulled when the box door is closed, the spring is compressed, the handle is loosened when the box door is closed, the limiting rod is pushed by the spring to enter the limiting hole, the box door is closed, the use is convenient and fast, and the opening and closing convenience is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a box structure of a vector frequency converter according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a box structure of a vector frequency converter according to the present invention;
FIG. 3 is a schematic cross-sectional structural diagram of a box structure of a vector frequency converter according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a case body shell; 11. a limiting frame; 12. a limiting hole; 13. an exhaust fan; 14. air holes are formed; 15. An air inlet fan; 2. a box door; 21. a groove; 22. a connecting rod; 23. a limiting rod; 24. a grip; 25. a spring; 3. a first screen frame; 31. a first filter screen; 4. a second screen frame; 41. and a second filter screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and are not intended to limit the utility model.
Referring to fig. 1-4, the present invention provides a technical solution of a box structure of a vector frequency converter: the utility model provides a box structure of vector converter which characterized in that: the box body comprises a box body shell 1, wherein a limiting frame 11 is fixedly connected to the front surface of the box body shell 1, a limiting hole 12 is formed in the position, close to the top, of the outer surface of the limiting frame 11, a box door 2 is hinged to the front surface of the box body shell 1, a mounting groove 21 is formed in the box door 2, a connecting rod 22 is arranged in the mounting groove 21, and a limiting rod 23 is fixedly connected to the inner end face of the connecting rod 22; a first filter screen frame 3 is embedded in the upper surface of the box body shell 1, a first filter screen 31 is arranged in the first filter screen frame 3, and an exhaust fan 13 is fixedly connected to the top in the box body shell 1; the symmetrical outer surface of the box body shell 1 is provided with air holes 14, the inner surface of the box body shell 1, which is positioned at the positions of the air holes 14, is provided with grooves, one of the grooves is fixedly connected with an air inlet fan 15, the other groove is internally provided with a second filter screen frame 4, and the second filter screen frame 4 is internally provided with a second filter screen 41.
In this embodiment, it is provided with box shell 1, install the vector converter to box shell 1 in, carry out long-time work back, through starting air discharge fan 13, drive the box in the hot air and get rid of, be provided with bleeder vent 14 simultaneously, make things convenient for the air admission device, play the effect of circulation of air, further in order to promote the radiating effect, it is provided with air inlet fan 15, air inlet fan 15 plays the efficiency that promotes the air admission device, and then the radiating effect of hoisting device.
Furthermore, the inner surface of the box door 2 is matched with the position of the limiting frame 11, the limiting rod 23 is matched with the position of the limiting hole 12, the outer surface of the limiting rod 23 is connected with the inner surface of the limiting hole 12 in a sliding mode, the outer end face of the connecting rod 22 is fixedly connected with the handle 24, and the handle 24 is located outside the box door 2.
As shown in fig. 4, in the present embodiment, the working position of the limiting rod 23 is limited, after the door 2 is closed, the handle 24 is released, that is, the limiting rod 23 is locked with the limiting hole 12 in a sliding manner, and the handle 24 is disposed outside the device, so that the user can directly hold the device conveniently.
Further, the outer surface of the connecting rod 22 is provided with a spring 25, the spring 25 is in a compression arrangement, and the spring 25 is positioned in the mounting groove 21.
As shown in fig. 4, in the present embodiment, the spring 25 is provided to return the stopper rod 23 and to define the operating position of the spring 25.
Further, the second filter screen frame 4 is fixedly connected with the box body shell 1 through fastening screws, and the first filter screen frame 3 is fixedly connected with the top of the box body shell 1 through fastening screws
As shown in fig. 2, in the present embodiment, the second screen frame 4 and the first screen frame 3 are provided to prevent dust from entering the device, so as to ensure the safety of the use of the working elements in the device, and at the same time, the device is easy to disassemble and maintain, thereby greatly improving the convenience of the device.
The working principle and the using process of the utility model are as follows: the device is provided with a box body shell 1, a vector frequency converter is arranged in the box body shell 1, after long-time work is carried out, hot air in the box body is driven to be discharged by starting an exhaust fan 13, meanwhile, air holes 14 are arranged, the air inlet device is convenient to achieve the effect of air circulation, further, in order to improve the heat dissipation effect, an air inlet fan 15 is arranged, the efficiency of the air inlet device is improved by the air inlet fan 15, the heat dissipation effect of the device is further improved, the working position of a limiting rod 23 is limited by a limiting hole 12, after a box door 2 is closed, a handle 24 is loosened, namely, the limiting rod 23 is locked with the limiting hole 12 in a sliding mode, the handle 24 is arranged outside the device, and a user can conveniently and directly hold the device, wherein the arrangement of a second filter screen frame 4 and a first filter screen frame 3 plays a role in preventing dust from entering the device, the use safety of working elements in the device is ensured, and meanwhile, the disassembly and maintenance are easy, greatly improving the use convenience of the device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a box structure of vector converter which characterized in that: the box body comprises a box body shell (1), wherein a limiting frame (11) is fixedly connected to the front surface of the box body shell (1), a limiting hole (12) is formed in the position, close to the top, of the outer surface of the limiting frame (11), a box door (2) is hinged to the front surface of the box body shell (1), a mounting groove (21) is formed in the box door (2), a connecting rod (22) is arranged in the mounting groove (21), and a limiting rod (23) is fixedly connected to the inner end face of the connecting rod (22);
a first screen frame (3) is embedded in the upper surface of the box body shell (1), a first screen (31) is arranged in the first screen frame (3), and an exhaust fan (13) is fixedly connected to the top in the box body shell (1);
bleeder vent (14) have been seted up to box shell (1) symmetrical surface, the internal surface that box shell (1) is located bleeder vent (14) position is seted up flutedly, one of them fixedly connected with air inlet fan (15) in the recess, another be provided with second screen frame (4) in the recess, be provided with second filter screen (41) in second screen frame (4).
2. The box structure of a vector frequency converter according to claim 1, characterized in that: the position of the limiting rod (23) is matched with the position of the limiting hole (12), and the outer surface of the limiting rod (23) is connected with the inner surface of the limiting hole (12) in a sliding mode.
3. The box structure of a vector frequency converter according to claim 1, characterized in that: the outer end face of the connecting rod (22) is fixedly connected with a handle (24), and the handle (24) is located outside the box door (2).
4. The box structure of a vector frequency converter according to claim 1, characterized in that: the connecting rod (22) surface is provided with spring (25), spring (25) are the compression setting, and spring (25) are located mounting groove (21).
5. The box structure of a vector frequency converter according to claim 1, characterized in that: the inner surface of the box door (2) is matched with the position of the limiting frame (11).
6. The box structure of a vector frequency converter according to claim 1, characterized in that: the second filter screen frame (4) is fixedly connected with the box body shell (1) through fastening screws, and the first filter screen frame (3) is fixedly connected with the top of the box body shell (1) through fastening screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122771376.0U CN216599382U (en) | 2021-11-12 | 2021-11-12 | Box structure of vector frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122771376.0U CN216599382U (en) | 2021-11-12 | 2021-11-12 | Box structure of vector frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216599382U true CN216599382U (en) | 2022-05-24 |
Family
ID=81644781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122771376.0U Active CN216599382U (en) | 2021-11-12 | 2021-11-12 | Box structure of vector frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216599382U (en) |
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2021
- 2021-11-12 CN CN202122771376.0U patent/CN216599382U/en active Active
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