CN218919728U - Electrical control cabinet of frequency converter - Google Patents
Electrical control cabinet of frequency converter Download PDFInfo
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- CN218919728U CN218919728U CN202222533523.5U CN202222533523U CN218919728U CN 218919728 U CN218919728 U CN 218919728U CN 202222533523 U CN202222533523 U CN 202222533523U CN 218919728 U CN218919728 U CN 218919728U
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Abstract
The utility model discloses an electric control cabinet for a frequency converter, which comprises a cabinet body, a frequency converter, a hot air discharge device, a cold air inlet device, an air area isolation plate, a heat exchanger and a plurality of electric elements, wherein the frequency converter is arranged on one side of the cabinet body; the cold air inlet device is used for bringing cold air outside the cabinet body into the cabinet body; the wind area isolation board is used for forming different ventilation areas in the cabinet body. Through above-mentioned switch board, can effectively solve the internal heat dissipation problem of cabinet, not reduce the waterproof, dustproof performance of cabinet body simultaneously.
Description
Technical Field
The utility model relates to the technical field of control cabinets, in particular to an electric control cabinet for a frequency converter.
Background
In the field of industrial control, the frequency converter electrical control cabinet is widely applied to various motor control places and is very common control equipment. The frequency converter electrical control cabinet mainly comprises electrical components such as a switch, a frequency converter, a relay, a contactor, a button and the like, most of the prior electrical control cabinets are compact in internal space design, various internal components are arranged in disorder, and meanwhile, the control cabinet is usually very airtight in design for having the functions of rain prevention, dust prevention and the like. However, the frequency converter in the frequency converter electrical control cabinet is an element with larger heating value, and the defect that a large amount of heat generated by the frequency converter in the control cabinet is difficult to dissipate, so that the temperature in the control cabinet is high when the environment temperature is higher, and the stable operation of various electrical elements in the control cabinet is seriously threatened, so that the problem of overheat damage of the electrical elements in the control cabinet often occurs.
In the prior art, ventilation and heat dissipation in the cabinet are generally carried out in a mode of additionally installing an axial flow fan on a side surface of a control cabinet, and the following problems exist in the mode:
firstly, the problem of convective heat exchange of air in the electric control cabinet cannot be well solved by directly adding a plurality of axial fans, and the heat dissipation effect is poor;
secondly, the arrangement of the electrical elements in the control cabinet is disordered, and part of the electrical elements sensitive to temperature also work in a high-temperature environment;
thirdly, the axial fan is additionally arranged on the opening of the control cabinet body, so that the waterproof and dustproof performances of the control cabinet are reduced, rainwater and dust can enter the control cabinet along with the axial fan, and the reliability of equipment is greatly reduced.
Therefore, how to provide a frequency converter electrical control cabinet for solving the problem of heat dissipation in the cabinet body without reducing the waterproof and dustproof performances of the cabinet body is a technical problem to be solved by the technicians in the field.
Disclosure of Invention
The utility model provides an electric control cabinet for a frequency converter, which is used for solving the technical problems of poor heat dissipation and waterproof and dustproof performances of a cabinet body in the prior art.
In order to achieve the above object, the utility model provides an electrical control cabinet for a frequency converter, comprising a cabinet body, a frequency converter, a hot air discharge device, a cold air inlet device, a wind zone isolation board, a heat exchanger and a plurality of electrical components, wherein one side of the cabinet body is provided with the frequency converter, the hot air discharge device is arranged on one side wall of the cabinet body and communicated with the cabinet body and the frequency converter, one side wall of the cabinet body far away from the hot air discharge device is provided with the cold air inlet device, the other side of the cabinet body is provided with the plurality of electrical components, the other side wall of the cabinet body is provided with the heat exchanger, the wind zone isolation board is arranged between the frequency converter and the plurality of electrical components,
the hot air discharge device is used for discharging the heat of the frequency converter out of the cabinet body;
the cold air inlet device is used for bringing cold air outside the cabinet body into the cabinet body;
the wind area isolation plate is used for forming different ventilation areas in the cabinet body.
Preferably, the hot air discharging device is a hot air discharging pipe, an inverted funnel-shaped plastic and an elbow, the inverted funnel-shaped plastic is arranged on the hot air discharging hole of the frequency converter, the inverted funnel-shaped plastic is connected with one end of the hot air discharging pipe, the other end of the hot air discharging pipe extends to the outside of the cabinet body to be connected with the elbow, and the elbow is bent by 90 degrees and is perpendicular to the ground.
Preferably, the cold air inlet device is an axial flow fan.
Preferably, a replaceable filter screen is mounted on the axial flow fan.
Preferably, the wind area isolation plate is made of heat insulation materials.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses an electric control cabinet of a frequency converter, which comprises a cabinet body, a frequency converter, a hot air discharge device, a cold air inlet device, a wind area isolation plate, a heat exchanger and a plurality of electric elements, wherein one side of the cabinet body is provided with the frequency converter, the hot air discharge device is arranged on one side wall of the cabinet body and is communicated with the cabinet body and the frequency converter, one side wall of the cabinet body, which is far away from the hot air discharge device, is provided with the cold air inlet device, the other side of the cabinet body is provided with the plurality of electric elements, the other side wall of the cabinet body is provided with the heat exchanger, and the wind area isolation plate is arranged between the frequency converter and the plurality of electric elements, wherein the hot air discharge device is used for discharging heat of the frequency converter out of the cabinet body; the cold air inlet device is used for bringing cold air outside the cabinet body into the cabinet body; the wind area isolation plate is used for forming different ventilation areas in the cabinet body. Through above-mentioned switch board, can effectively solve the internal heat dissipation problem of cabinet, not reduce the waterproof, dustproof performance of cabinet body simultaneously.
Drawings
Fig. 1 shows a schematic structural diagram of an electrical control cabinet for a frequency converter according to an embodiment of the present utility model;
in the figure, 1, a hot air discharge pipe; 2. an axial flow fan; 3. a frequency converter; 4. a heat exchanger; 5. a plurality of electrical components; 6. a wind zone separator; 7. a cabinet body; 8. inverted funnel-shaped plastic; 9. and (5) an elbow.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The utility model provides an electric control cabinet of a frequency converter, which comprises a cabinet body, a frequency converter, a hot air discharge device, a cold air inlet device, a wind area isolation plate, a heat exchanger and a plurality of electric elements, wherein one side of the cabinet body is provided with the frequency converter, the hot air discharge device is arranged on one side wall of the cabinet body and is communicated with the cabinet body and the frequency converter, one side wall of the cabinet body, which is far away from the hot air discharge device, is provided with the cold air inlet device, the other side of the cabinet body is provided with the plurality of electric elements, the other side wall of the cabinet body is provided with the heat exchanger, the wind area isolation plate is arranged between the frequency converter and the plurality of electric elements,
the hot air discharge device is used for discharging the heat of the frequency converter out of the cabinet body;
the cold air inlet device is used for bringing cold air outside the cabinet body into the cabinet body;
the wind area isolation plate is used for forming different ventilation areas in the cabinet body.
In order to guarantee the internal heat dissipation of cabinet and prevent that the rainwater from flowing backward, in some embodiments of this application, hot-blast discharging equipment is hot-blast discharge pipe, falls funnel-shaped plastics and elbow, install on the hot-blast discharge hole of converter and fall funnel-shaped plastics, fall funnel-shaped plastics and connect the one end of hot-blast discharge pipe, the other end of hot-blast discharge pipe extends to the cabinet external connection the elbow, the elbow is buckled 90 perpendicular to ground.
In order to ensure that cold air enters the cabinet body, in some embodiments of the application, the cold air entering device is an axial flow fan.
In order to prevent rainwater and dust from entering the control cabinet and facilitate later cleaning, in some embodiments of the application, a replaceable filter screen is arranged on the axial flow fan.
In order to avoid that the heat generated by the frequency converter affects other electrical components in the cabinet, in some embodiments of the application, the wind zone insulation board is made of heat insulation material.
The working mode of the electric control cabinet for the frequency converter according to the embodiment of the application will be described below with reference to fig. 1, and as shown in fig. 1, two ventilation areas are provided in the cabinet body 7, the two ventilation areas are separated by the wind area partition 6, one ventilation area is provided with the frequency converter 3, and the other ventilation area is provided with a plurality of electric elements 5. The reverse funnel-shaped plastic 8 is fixedly arranged on the hot air discharge hole of the frequency converter 3, hot air is directly discharged out of the cabinet body 7 through the hot air discharge pipe 1, and a downward 90-degree elbow 9 is arranged at one end of the hot air discharge pipe 1 extending out of the cabinet body 7, so that rainwater is prevented from flowing backwards. An axial flow fan 2 is arranged below the ventilation area of the frequency converter 3, external cold air is fed into the cabinet body 7, a replaceable filter screen is arranged on the axial flow fan 2, rainwater and dust are prevented from entering the cabinet body 7, and later cleaning is facilitated. The heat exchanger 4 is arranged in the ventilation area with smaller heating value, heat is radiated with the outside through the heat exchanger 4, and air convection with the outside is avoided while heat radiation is guaranteed, so that rainwater and dust are effectively prevented from entering the cabinet body 7.
Through the application of the technical scheme, the frequency converter electrical control cabinet comprises a cabinet body, a frequency converter, a hot air discharge device, a cold air inlet device, a wind area isolation plate, a heat exchanger and a plurality of electrical elements, wherein the frequency converter is arranged on one side in the cabinet body, the hot air discharge device is arranged on one side wall in the cabinet body and is communicated with the cabinet body and the frequency converter, the cold air inlet device is arranged on one side wall, far away from the hot air discharge device, in the cabinet body, the plurality of electrical elements are arranged on the other side wall in the cabinet body, the heat exchanger is arranged on the other side wall in the cabinet body, the wind area isolation plate is arranged between the frequency converter and the plurality of electrical elements, and the hot air discharge device is used for discharging heat of the frequency converter out of the cabinet body; the cold air inlet device is used for bringing cold air outside the cabinet body into the cabinet body; the wind area isolation plate is used for forming different ventilation areas in the cabinet body. Through above-mentioned switch board, can effectively solve the internal heat dissipation problem of cabinet, not reduce the waterproof, dustproof performance of cabinet body simultaneously.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (5)
1. The utility model provides a converter electrical control cabinet, its characterized in that includes the cabinet body, converter, hot-blast discharging equipment, cold wind entering equipment, wind district division board, heat exchanger and a plurality of electrical components, the internal one side of cabinet sets up the converter, hot-blast discharging equipment sets up in the internal one side lateral wall of cabinet and intercommunication the cabinet is external with the converter, the internal one side lateral wall of keeping away from the hot-blast discharging equipment of cabinet sets up cold wind entering equipment, the internal opposite side of cabinet sets up a plurality of electrical components, the internal opposite side lateral wall of cabinet sets up heat exchanger, the wind district division board sets up in between converter and a plurality of electrical components, wherein,
the hot air discharge device is used for discharging the heat of the frequency converter out of the cabinet body;
the cold air inlet device is used for bringing cold air outside the cabinet body into the cabinet body;
the wind area isolation plate is used for forming different ventilation areas in the cabinet body.
2. The control cabinet according to claim 1, wherein the hot air discharging device is a hot air discharging pipe, an inverted funnel-shaped plastic and an elbow, the inverted funnel-shaped plastic is installed on the hot air discharging hole of the frequency converter, the inverted funnel-shaped plastic is connected with one end of the hot air discharging pipe, the other end of the hot air discharging pipe extends to the outside of the cabinet body to be connected with the elbow, and the elbow is bent by 90 degrees to be perpendicular to the ground.
3. The control cabinet of claim 1, wherein the cold air inlet device is an axial fan.
4. A control cabinet according to claim 3, characterized in that a replaceable screen is mounted on the axial fan.
5. The control cabinet of claim 1, wherein the wind zone insulation panels are made of a thermally insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533523.5U CN218919728U (en) | 2022-09-23 | 2022-09-23 | Electrical control cabinet of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222533523.5U CN218919728U (en) | 2022-09-23 | 2022-09-23 | Electrical control cabinet of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218919728U true CN218919728U (en) | 2023-04-25 |
Family
ID=86012896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222533523.5U Active CN218919728U (en) | 2022-09-23 | 2022-09-23 | Electrical control cabinet of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218919728U (en) |
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2022
- 2022-09-23 CN CN202222533523.5U patent/CN218919728U/en active Active
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