CN211670764U - Frequency conversion control cabinet - Google Patents
Frequency conversion control cabinet Download PDFInfo
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- CN211670764U CN211670764U CN201922306590.1U CN201922306590U CN211670764U CN 211670764 U CN211670764 U CN 211670764U CN 201922306590 U CN201922306590 U CN 201922306590U CN 211670764 U CN211670764 U CN 211670764U
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- control cabinet
- variable frequency
- subassembly
- frequency control
- copper bar
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Abstract
The utility model provides a variable frequency control cabinet, its include the movable cabinet body and install respectively in the internal portion of cabinet and mutual electric connection's electric control assembly, electrolytic capacitor subassembly, SCR subassembly, IGBT subassembly, alternating current reactor, main circuit breaker, input copper bar and output copper bar, the order of input to output of variable frequency control cabinet is: input copper bar the main circuit breaker alternating current reactor SCR subassembly electrolytic capacitor subassembly IGBT subassembly the output copper bar, the utility model discloses direct the taking of variable frequency control cabinet is directly arranged electrolytic capacitor subassembly, SCR subassembly, IGBT subassembly etc. to the cabinet body, if the system breaks down can directly change SCR subassembly, IGBT subassembly etc. it is very convenient to maintain.
Description
Technical Field
The utility model relates to a variable frequency control cabinet especially relates to a variable frequency control cabinet with converter unit.
Background
The frequency converter is an electric 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.
The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like; the frequency converter adjusts the voltage and frequency of an output power supply by opening and closing an internal Insulated Gate Bipolar Transistor (IGBT), provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation, and in addition, the frequency converter has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like; with the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
In practical application, the frequency converter unit is usually integrated into a frequency conversion control cabinet, and the frequency conversion control cabinet is usually composed of a frequency converter unit with a lower Protection level and a cabinet body with a higher IP Protection (Ingress Protection) level, so as to meet the requirements of the actual salt spray level and pollution level.
However, in the maintenance and replacement problems of the frequency converter unit, the frequency converter unit is usually required to be detached from the frequency conversion control cabinet and then maintained, which is very inconvenient.
Therefore, it is necessary to design a new frequency conversion control cabinet to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a easy maintenance's variable frequency control cabinet.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a variable frequency control cabinet, include the movable cabinet body and install respectively in the internal portion of cabinet and mutual electric connection's electric control subassembly, electrolytic capacitor subassembly, SCR subassembly, IGBT subassembly, alternating current reactor, main circuit breaker, input copper bar and output copper bar, the order of input to output of variable frequency control cabinet is: the input copper bar, the main circuit breaker, the alternating current reactor, the SCR assembly, the electrolytic capacitor assembly, the IGBT assembly and the output copper bar.
As the utility model discloses further modified technical scheme, main circuit breaker adopts horizontal reactor, and the business turn over line is invertd.
As a further improved technical scheme of the utility model, the frequency conversion control cabinet adopts the mode that liquid cooling radiator and air-water heat exchanger combined together.
As the utility model discloses further modified technical scheme, the frequency conversion control cabinet business turn over line mode is for advancing down and go out.
As a further improved technical scheme of the utility model, the electrical control subassembly is located the internal upper portion of cabinet.
As the utility model discloses further modified technical scheme, the IGBT subassembly alternating current reactor with main circuit breaker locates the internal middle part of cabinet.
As a further improved technical scheme of the utility model, the input copper bar the output copper bar with the geomantic omen heat exchanger is located the internal lower part of cabinet.
As a further improved technical scheme of the utility model, the input copper bar with the output copper bar is located the relative both sides of geomantic omen heat exchanger.
Compared with the prior art, the variable frequency control cabinet directly arranges the electrolytic capacitor assembly, the SCR assembly, the IGBT assembly and the like into the cabinet body, and can directly replace the SCR assembly, the IGBT assembly and the like if the system fails, so that the maintenance is very convenient; meanwhile, the whole frequency converter unit is relatively arranged to the cabinet body, and the structural cost is reduced due to the fact that the using amount of structural metal plates, copper bars and the like is reduced.
Drawings
Fig. 1 is a front view of the frequency conversion control cabinet of the present invention.
Fig. 2 is a schematic structural diagram of the variable frequency control cabinet of the present invention.
Detailed Description
Referring to fig. 1 and 2, the present invention discloses a variable frequency control cabinet 100, which includes a movable cabinet 10, and an electrical control assembly 21, an electrolytic capacitor assembly 22, an SCR (thyristor) assembly 23, an IGBT (insulated gate bipolar transistor) assembly 24, an ac reactor 25, a main circuit breaker 26, an input copper bar 27, an output copper bar 28, and a wind-water heat exchanger 29, which are respectively installed inside the cabinet 10 and electrically connected to each other.
The electric control assembly 21 is arranged at the upper part in the cabinet body 10, and the IGBT assembly 24, the alternating current reactor 25 and the main circuit breaker 26 are arranged at the middle part in the cabinet body 10; the input copper bar 27, the output copper bar 28 and the wind-water heat exchanger 29 are arranged at the lower part in the cabinet body 10; the input copper bar 27 and the output copper bar 28 are positioned at two opposite sides of the wind-water heat exchanger 20.
Compare in the converter unit integration among the conventional art to the variable frequency control cabinet, the utility model discloses variable frequency control cabinet 100 directly takes the structural style of directly arranging electrolytic capacitor subassembly 22, SCR subassembly 23, IGBT subassembly 24 etc. in the cabinet body 10, and the order of input to the output of variable frequency control cabinet 100 is: the input copper bar 27, the main circuit breaker 26, the alternating current reactor 25, the SCR assembly 23, the electrolytic capacitor assembly 22, the IGBT assembly 24 and the output copper bar 28, if the system fails, the SCR assembly 23, the IGBT assembly 24 and the like can be directly replaced, and the maintenance is very convenient; meanwhile, the whole frequency converter unit is relatively arranged to the cabinet body 10, so that the use amount of structural metal plates, copper bars and the like is reduced, and the structural cost is reduced.
The mode of wire inlet and outlet of the variable frequency control cabinet 10 is that the wire enters and exits from the bottom, the main circuit breaker 26 adopts a horizontal reactor, and the wire inlet and outlet are inverted; the frequency conversion control cabinet 100 adopts a mode of combining a liquid cooling radiator and an air-water heat exchanger for heat dissipation, and the heat dissipation efficiency is high and constant. The utility model discloses frequency conversion control cabinet 100's IP protection level is IP55, and the outer salt fog level of cabinet 250H, the interior salt fog level of cabinet 72H.
The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical people in the related art, for example, the descriptions of the directions such as "front", "back", "left", "right", "up", "down", etc., although the present specification has described the present invention in detail with reference to the above embodiments, the ordinary skilled in the art should understand that the technical people in the related art can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a variable frequency control cabinet which characterized in that: including the movable cabinet body and install respectively in internal portion of cabinet and mutual electric connection's electric control subassembly, electrolytic capacitor subassembly, SCR subassembly, IGBT subassembly, alternating-current reactor, main circuit breaker, input copper bar and output copper bar, the order of input to output of variable frequency control cabinet is: the input copper bar, the main circuit breaker, the alternating current reactor, the SCR assembly, the electrolytic capacitor assembly, the IGBT assembly and the output copper bar.
2. The variable frequency control cabinet according to claim 1, characterized in that: the main breaker adopts a horizontal reactor, and the incoming and outgoing lines are inverted.
3. The variable frequency control cabinet according to claim 1, characterized in that: the frequency conversion control cabinet adopts a mode of combining a liquid cooling radiator and an air-water heat exchanger.
4. The variable frequency control cabinet according to claim 1, characterized in that: and the wire inlet and outlet mode of the variable frequency control cabinet is that the variable frequency control cabinet enters and exits from the bottom.
5. The variable frequency control cabinet according to claim 1, characterized in that: the electrical control assembly is arranged at the upper part in the cabinet body.
6. The variable frequency control cabinet according to claim 1, characterized in that: the IGBT component, the alternating current reactor and the main circuit breaker are arranged in the middle of the cabinet body.
7. The variable frequency control cabinet according to claim 3, characterized in that: the input copper bar, the output copper bar and the wind-water heat exchanger are arranged at the lower part in the cabinet body.
8. The variable frequency control cabinet according to claim 3, characterized in that: the input copper bar and the output copper bar are positioned on two opposite sides of the wind-water heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306590.1U CN211670764U (en) | 2019-12-19 | 2019-12-19 | Frequency conversion control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922306590.1U CN211670764U (en) | 2019-12-19 | 2019-12-19 | Frequency conversion control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211670764U true CN211670764U (en) | 2020-10-13 |
Family
ID=72735669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922306590.1U Active CN211670764U (en) | 2019-12-19 | 2019-12-19 | Frequency conversion control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211670764U (en) |
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2019
- 2019-12-19 CN CN201922306590.1U patent/CN211670764U/en active Active
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