CN212786378U - High-voltage variable-frequency heat dissipation air duct system - Google Patents
High-voltage variable-frequency heat dissipation air duct system Download PDFInfo
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- CN212786378U CN212786378U CN202021532716.3U CN202021532716U CN212786378U CN 212786378 U CN212786378 U CN 212786378U CN 202021532716 U CN202021532716 U CN 202021532716U CN 212786378 U CN212786378 U CN 212786378U
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- air duct
- dissipation air
- frequency conversion
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Abstract
The utility model discloses a high-voltage frequency conversion heat dissipation air channel system, which belongs to the technical field of frequency converter heat dissipation and comprises a frequency conversion chamber, a high-voltage frequency converter arranged in the frequency conversion chamber, a heat dissipation fan arranged at the top of the high-voltage frequency converter, a heat dissipation air channel and an air inlet arranged on the wall of the frequency conversion chamber; the section of the heat dissipation air channel is trapezoidal, the left side and the right side of the heat dissipation air channel are respectively provided with a movable baffle B and a movable baffle A, and a wind pressure transmitter is arranged on the inner wall of the heat dissipation air channel and communicated with a wind pressure display screen arranged on the wall of the frequency conversion chamber. The utility model discloses a set up the wind channel that looses the heat into angle-adjustable's trapezoidal wind channel, can adjust wind channel cross sectional area, can adjust the wind pressure in the wind channel, make the discharge that the heat is faster, reduce converter cooling fan fault rate simultaneously, make the operation of whole frequency conversion system more stable.
Description
Technical Field
The utility model belongs to the technical field of the converter heat dissipation technique and specifically relates to a high-pressure frequency conversion heat dissipation wind channel system for the cooling system of high-power high-pressure frequency conversion.
Background
At present, high-voltage frequency conversion has wide application prospects in various industrial fields, air duct heat dissipation is a common heat dissipation means of the high-voltage frequency converter, and a heat dissipation air duct system comprises a frequency conversion chamber, a frequency converter, a heat dissipation fan, a heat dissipation air duct and an air inlet; the heat generated by the frequency converter is discharged out of the frequency conversion chamber through the heat dissipation fan and the heat dissipation air duct, and the outside normal-temperature air enters the frequency conversion chamber through the air inlet to ensure the operating temperature of the frequency converter.
At present, the section of a heat dissipation air duct is mostly rectangular, the air pressure in the air duct is large and cannot be adjusted, and a heat dissipation fan has large running resistance and is very easy to damage; during the equipment downtime maintenance period, the air outlet of the air duct is easy to get into dust, which affects the service life of the equipment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a high-pressure frequency conversion heat dissipation wind channel system sets up the heat dissipation wind channel of adjustable wind pressure, can adjust the wind channel inner area, makes the discharge that the heat is faster, reduces converter cooling fan fault rate simultaneously, makes whole frequency conversion system operation more stable.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a high-voltage frequency conversion heat dissipation air duct system comprises a frequency conversion chamber, a high-voltage frequency converter arranged in the frequency conversion chamber, a heat dissipation fan arranged at the top of the high-voltage frequency converter, a heat dissipation air duct and an air inlet arranged on the wall of the frequency conversion chamber; the section of the heat dissipation air channel is trapezoidal, the left side and the right side of the heat dissipation air channel are respectively provided with a movable baffle B and a movable baffle A, and a wind pressure transmitter is arranged on the inner wall of the heat dissipation air channel and communicated with a wind pressure display screen arranged on the wall of the frequency conversion chamber.
The utility model discloses technical scheme's further improvement lies in: the baffle A can move inwards and outwards.
The utility model discloses technical scheme's further improvement lies in: the baffle B can move inwards and outwards.
The utility model discloses technical scheme's further improvement lies in: the wind pressure transmitter can measure the wind pressure change in the heat dissipation air duct.
The utility model discloses technical scheme's further improvement lies in: the wind pressure display screen can show the wind pressure change in the heat dissipation air duct.
The utility model discloses technical scheme's further improvement lies in: when the equipment is stopped for maintenance, the air duct can be closed by adjusting the positions of the baffle A and the baffle B, and external dust is prevented from entering the inside of the frequency converter.
The utility model discloses technical scheme's further improvement lies in: the wind pressure transmitter is arranged on the unmovable inner wall of the heat dissipation air duct.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
1. the utility model discloses set up mobilizable baffle B and baffle A in the left and right sides in heat dissipation wind channel, and baffle A and baffle B are to the equal movable regulation lateral wall angle in the inboard outside, the wind pressure change in the wind channel when baffle A and baffle B adjust can be seen to the numerical value through wind pressure changer feedback, can adjust the cross sectional area in wind channel, when the equipment operation, adjust heat dissipation wind channel baffle angle according to the numerical value on the wind pressure display screen, make the discharge that the heat is faster, reduce converter cooling fan fault rate simultaneously, make whole frequency conversion system operation more stable.
2. The utility model discloses a structural design is when equipment is shut down and is overhauld, can close the wind channel through adjustment baffle A6, baffle B7's position, prevents inside outside dust gets into the converter, reduces the fault rate of converter, makes the entire system operation more stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the heat dissipation air duct of the present invention.
The air conditioner comprises a frequency conversion chamber 1, a frequency converter 2, a heat dissipation fan 3, a heat dissipation air channel 4, a heat dissipation air channel 5, an air inlet 6, baffles A and 7, baffles B and 8, an air volume transmitter 9 and an air pressure display screen.
Detailed Description
The novel practical high-voltage variable-frequency heat dissipation air duct system is developed aiming at the problems that the air pressure in the existing rectangular heat dissipation air duct is large and cannot be adjusted, the running resistance of a heat dissipation fan is large, the heat dissipation fan is extremely easy to damage, and during the period of shutdown and overhaul of equipment, the air outlet of the air duct easily enters dust, so that the service life of the equipment is influenced.
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, a high-voltage frequency conversion heat dissipation air duct system includes a frequency conversion chamber 1, a high-voltage frequency converter 2 installed in the frequency conversion chamber 1, a heat dissipation fan 3 installed on the top of the high-voltage frequency converter 2, a heat dissipation air duct 4, and an air inlet 5 arranged on the wall of the frequency conversion chamber 1; the cross-section of heat dissipation wind channel 4 sets up to trapezoidal, and the left and right sides of heat dissipation wind channel 4 sets up baffle B7 and the baffle A6 that can move into, at the interior wall mounting wind pressure changer 8 of heat dissipation wind channel 4, wind pressure changer 8 and the wind pressure display screen 9 intercommunication of installing on the 1 wall of frequency conversion room, on wind pressure display screen 9 is fed back to the signal of wind pressure changer 8.
Baffle A6 inside outside homoenergetic removes, can adjust the angle of the right side wall of heat dissipation wind channel 4 and end lateral wall, can increase or reduce the area of heat dissipation wind channel 4 cross-section, changes the wind pressure in the heat dissipation wind channel 4.
The inward and outward homoenergetic of baffle B7 can be removed, can adjust the angle of the left side wall and the bottom wall of heat dissipation wind channel 4, increase or reduce the area of heat dissipation wind channel 4 cross-section, change the wind pressure in the heat dissipation wind channel 4.
The wind pressure transmitter 8 can measure the air pressure change in the heat dissipation air duct 4, namely the wind pressure change in the heat dissipation air duct 4 when the baffle B7 and the baffle a6 move to adjust the angles between the left and right side walls and the bottom side wall of the heat dissipation air duct 4.
The wind pressure display screen 9 can display the air pressure change in the heat dissipation air duct 4, namely, the wind pressure change in the heat dissipation air duct 4 when the baffle B7 and the baffle a6 adjust the angles of the bottom side walls of the left and right side walls of the heat dissipation air duct 4, so as to provide production reference.
When the equipment is stopped for maintenance, the air channel can be closed by adjusting the positions of the baffle A6 and the baffle B7, so that external dust is prevented from entering the frequency converter 2, the failure rate of the frequency converter is reduced, and the whole system is more stable in operation.
The wind pressure transmitter 8 is installed on the inner wall of the heat dissipation air duct 4, which does not move, and is generally installed on the bottom side wall of the heat dissipation air duct 4. The wind pressure display screen 9 is installed on the wall of the frequency conversion chamber 1 close to the heat dissipation air duct 4, so that the wind pressure transmitter 8 and the wind pressure display screen 9 are conveniently connected, and the wind pressure display screen 9 is easily observed.
The working principle is as follows:
a frequency converter: the frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device.
Heat dissipation of the frequency converter: the temperature of the transformer and the power unit module is very high in the working process of the frequency converter, so that very much heat can be generated, and if the heat cannot be timely removed, the fault rate of the frequency converter can be greatly improved if the frequency converter is in a high-temperature state for a long time.
Frequency conversion chamber: the frequency converter cooling system is a working place of the frequency converter and comprises the frequency converter and a frequency conversion cooling system, wherein the frequency conversion cooling system is divided into an air conditioning system and an air duct system.
In this patent application, the air duct system is adopted as a heat dissipation system
The using method comprises the following steps:
as shown in fig. 1 and 2, the high-voltage frequency conversion heat dissipation air duct system comprises a frequency conversion chamber 1, a frequency converter 2, a heat dissipation fan 3, a heat dissipation air duct 4 and an air inlet 5, wherein a baffle plate B and a baffle plate a are arranged on the left side and the right side of the heat dissipation air duct 4, a wind pressure transmitter 8 is arranged on the inner wall of the heat dissipation air duct 4, and a signal of the wind pressure transmitter 8 is fed back to a wind pressure display screen 9 on the wall of the frequency conversion chamber 1. When the frequency converter 2 operates, the generated heat is pumped to the heat dissipation air duct 4 through the heat dissipation fan 3 and then is discharged out of the frequency conversion chamber 1 through the heat dissipation air duct 4, the frequency conversion chamber 1 is in a negative pressure environment at the moment, and external normal-temperature air enters the chamber through the air inlet 5 to reduce the room temperature. The angles of the baffle plates A6 and B7 are adjusted during the operation of the frequency converter 2, the wind pressure transmitter 8 measures the wind pressure in the radiating air duct 4 at the moment, the wind pressure value is displayed on the wind pressure display screen 9, and the positions of the baffle plates A6 and B7 are adjusted to reach the ideal wind pressure required by the operation of the frequency converter 2 according to the value displayed on the wind pressure display screen 9. When the equipment is stopped and overhauled, the heat dissipation air duct 4 can be closed by adjusting the positions of the baffle A6 and the baffle B7, so that external dust is prevented from entering the frequency converter 2, the failure rate of the frequency converter 2 is reduced, and the whole system is more stable in operation.
To sum up, the utility model discloses a set up the heat dissipation wind channel into angle-adjustable's trapezoidal wind channel, can adjust the cross sectional area in wind channel, can adjust the wind pressure in the wind channel, make the discharge that the heat is faster, reduce converter cooling fan fault rate simultaneously, make whole frequency conversion system operation more stable.
Claims (7)
1. The utility model provides a high-pressure frequency conversion heat dissipation air duct system, includes frequency conversion room (1), installs high-voltage inverter (2) at frequency conversion room (1), installs radiator fan (3) at high-voltage inverter (2) top, heat dissipation wind channel (4) and sets up air intake (5) on frequency conversion room (1) wall, its characterized in that: the cross-section of heat dissipation wind channel (4) sets up to trapezoidal, and the left and right sides in heat dissipation wind channel (4) sets up baffle B (7) that can move and baffle A (6) that can move, at the interior wall mounting wind pressure changer (8) of heat dissipation wind channel (4), wind pressure changer (8) and wind pressure display screen (9) intercommunication at frequency conversion room (1) on the wall.
2. The high-voltage variable-frequency heat dissipation air duct system according to claim 1, characterized in that: the baffle A (6) can move inwards and outwards.
3. The high-voltage variable-frequency heat dissipation air duct system according to claim 1, characterized in that: the baffle B (7) can move inwards and outwards.
4. The high-voltage variable-frequency heat dissipation air duct system according to claim 1, characterized in that: the wind pressure transmitter (8) can measure the wind pressure change in the heat dissipation air duct (4).
5. The high-voltage variable-frequency heat dissipation air duct system according to claim 1, characterized in that: the wind pressure display screen (9) can display the wind pressure change in the heat dissipation air duct (4).
6. The high-voltage variable-frequency heat dissipation air duct system according to claim 1, characterized in that: when the equipment is stopped for maintenance, the heat dissipation air duct (4) can be closed by adjusting the positions of the baffle A (6) and the baffle B (7), and external dust is prevented from entering the frequency converter (2).
7. The high-voltage variable-frequency heat dissipation air duct system according to claim 1, characterized in that: the wind pressure transmitter (8) is arranged on the unmovable inner wall of the heat dissipation air duct (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021532716.3U CN212786378U (en) | 2020-07-29 | 2020-07-29 | High-voltage variable-frequency heat dissipation air duct system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021532716.3U CN212786378U (en) | 2020-07-29 | 2020-07-29 | High-voltage variable-frequency heat dissipation air duct system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212786378U true CN212786378U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021532716.3U Active CN212786378U (en) | 2020-07-29 | 2020-07-29 | High-voltage variable-frequency heat dissipation air duct system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212786378U (en) |
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2020
- 2020-07-29 CN CN202021532716.3U patent/CN212786378U/en active Active
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