CN216356442U - High-efficient heat sink is used to high-voltage inverter - Google Patents
High-efficient heat sink is used to high-voltage inverter Download PDFInfo
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- CN216356442U CN216356442U CN202122616814.6U CN202122616814U CN216356442U CN 216356442 U CN216356442 U CN 216356442U CN 202122616814 U CN202122616814 U CN 202122616814U CN 216356442 U CN216356442 U CN 216356442U
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Abstract
The utility model discloses a high-efficiency cooling device for a high-voltage frequency converter, which comprises a high-voltage frequency conversion chamber, an air inlet pipe, an air outlet pipe and a water-cooling air cooler, wherein the high-voltage frequency conversion chamber is internally provided with an inlet wire power supply cabinet, a bypass cabinet, a functional unit cabinet, a control cabinet and a transformer cabinet; the efficient cooling device for the high-voltage frequency converter is simple in structure, convenient and practical, cold air is directly conveyed into the cabinet body through the air inlet fan, and meanwhile, the temperature in the cabinet body is quickly cooled through the quick air circulation of the exhaust fan, so that the cooling speed of the high-voltage frequency converter is improved.
Description
Technical Field
The utility model belongs to the technical field of cooling, and particularly relates to a high-efficiency cooling device for a high-voltage frequency converter.
Background
The high-voltage frequency converter has extremely high reliability requirements in the industrial production fields of electric power, chemical industry, coal mine, metallurgy, petrifaction, cement, steel and the like; during production, various reliability indexes affecting the high-voltage frequency converter exist, wherein ventilation and heat dissipation and dust are important links, a large amount of heat is dissipated to ensure the normal work of equipment, a heat dissipation and ventilation scheme is optimized, reasonable design and calculation are carried out, the high-efficiency heat dissipation of the equipment is realized, and the reliability of the equipment is necessary to be improved; the traditional high-voltage frequency converter cooling and ventilating modes comprise a natural cooling mode, a forced air cooling mode and an air-conditioning cooling mode, the former two cooling modes have poor effect, more dust is in the air under an exposed environment, the high-voltage frequency converter is greatly damaged after long-term use, and the air-conditioning cooling mode mainly has high power consumption and high use cost; the air-water cooling system is a closed circulation cooling solution, hot gas of the high-voltage frequency converter enters air-water cooling equipment through an air pipe (a partition plate) to be cooled, and then is conveyed to the indoor high-voltage frequency conversion chamber to be cooled again, but the mode needs to cool the high-voltage frequency conversion chamber in advance, the high-voltage frequency converter cannot be cooled directly, and the cooling effect is slow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a high-efficiency cooling device for a high-voltage frequency converter, which has a simple structure, is convenient and practical, directly conveys cold air into a cabinet body through an air inlet fan, and simultaneously rapidly cools the temperature in the cabinet body through the rapid air circulation of an exhaust fan, thereby improving the heat dissipation speed of the high-voltage frequency converter.
A high-efficiency cooling device for a high-voltage frequency converter comprises a high-voltage frequency conversion chamber, an air inlet pipe, an air outlet pipe and a water-cooling air cooler, wherein an inlet wire power supply cabinet, a bypass cabinet, a functional unit cabinet, a control cabinet and a transformer cabinet are arranged in the high-voltage frequency conversion chamber; the high-voltage frequency conversion cabinet is characterized by further comprising a dispersing transverse pipe and a concentrating transverse pipe which are arranged in the high-voltage frequency conversion chamber, wherein the dispersing transverse pipe is connected between a gas outlet of a water-cooling air cooler and a gas inlet pipe, the concentrating transverse pipe is connected between a gas inlet of the water-cooling air cooler and a gas outlet pipe, each of the functional unit cabinet, the control cabinet and the transformer cabinet comprises a cabinet body and a cabinet door arranged on the cabinet body, the top and the bottom of the cabinet body are respectively provided with an exhaust fan and an air inlet fan, the exhaust fans are matched with the gas outlet pipe, the end, close to the gas outlet pipe, of the cabinet door is provided with an exhaust hole group, one end, far away from the gas outlet pipe, of the cabinet door is provided with a plurality of fan filters, the cabinet door is provided with an air guide shell, the fan filters are arranged in the air guide shell, a gas guide opening is arranged on the air guide shell, a gas guide pipe is connected with an air guide pipe, and the air guide pipe is arranged in the cabinet body, the two ends of the air duct are respectively connected with a sealing cover and a connecting intubation tube; still including the controller, outlet duct and cabinet body junction and high-pressure frequency conversion indoor all are provided with temperature sensor, controller electric connection temperature sensor.
Preferably, the air duct comprises a plurality of positioning pipes and a telescopic bending pipe which are alternately arranged and connected, and an annular tearing indentation is arranged on each positioning pipe.
Preferably, a plurality of adjusting shutters are arranged on the dispersing transverse pipes, each adjusting shutter comprises a frame shell and a connecting rod, each frame shell is provided with an adjusting motor and is hinged with a plurality of adjusting blades, each adjusting blade comprises a rotating shaft movably connected to the frame shell, blades are fixed on the rotating shaft, a power rod of each adjusting motor is connected with the rotating shaft of one adjusting blade, and the blades of the adjusting blades are movably connected with the connecting rods; the controller is electrically connected with the adjusting motor.
Preferably, a plurality of hooks are connected to one side surface of the frame shell, and an elastic ring is arranged on one side surface of the frame shell connected with the hooks.
Preferably, the elastic ring is a foam ring or a silica gel ring.
Preferably, be provided with spacing frame on the cabinet door, the exhaust vent group sets up in spacing frame, be provided with fixed frame in the spacing frame, the parcel has the filter screen on the fixed frame.
Has the advantages that:
(1) the efficient cooling device for the high-voltage frequency converter is simple in structure, convenient and practical, cold air is directly conveyed into the cabinet body through the air inlet fan, and meanwhile, the temperature in the cabinet body is quickly cooled through the quick air circulation of the exhaust fan, so that the cooling speed of the high-voltage frequency converter is improved.
(2) According to the high-efficiency cooling device for the high-voltage frequency converter, the air guide pipe is used for conveying and cooling at a fixed point, so that local airflow of equipment is accelerated, the effect of locally improving the cooling speed is achieved, and the condition that the upper part and the lower part or some narrow parts of the equipment are too slow in heat dissipation and poor in heat dissipation is avoided.
Drawings
FIG. 1 is a schematic structural view of a cooling device;
FIG. 2 is a schematic diagram of a transformer cabinet;
FIG. 3 is a schematic view of a cabinet door;
FIG. 4 is a schematic structural view of a positioning tube;
FIG. 5 is a schematic view of the structure of the adjustment blind;
FIG. 6 is a schematic structural view of a frame shell;
1-high voltage frequency conversion chamber, 2-transformer cabinet, 21-cabinet body, 22-cabinet door, 23-exhaust fan, 24-exhaust hole group, 25-fan filter, 26-air inlet fan, 27-limit frame, 28-fixing frame, 29-filter screen, 210-air guide shell, 211-air guide port, 212-air guide tube, 213-positioning tube, 214-telescopic bending tube, 215-annular tearing indentation, 216-sealing cover, 217-connecting insertion tube, 3-air inlet tube, 4-air outlet tube, 5-dispersing transverse tube, 6-concentrating transverse tube, 7-adjusting shutter, 71-frame shell, 72-adjusting blade, 73-connecting rod, 74-rotating shaft, 75-blade, 76-adjusting motor, 77-hook, 78-elastic ring, 8-water cooling air cooler.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1; a high-efficiency cooling device for a high-voltage frequency converter comprises a high-voltage frequency conversion chamber 1, an air inlet pipe 3, an air outlet pipe 4 and a water-cooling air cooler 8, wherein an inlet wire power supply cabinet, a bypass cabinet, a functional unit cabinet, a control cabinet and a transformer cabinet 2 are arranged in the high-voltage frequency conversion chamber 1, an air inlet of the water-cooling air cooler 8 penetrates through the wall body of the high-voltage frequency conversion chamber 1 and is communicated with the air outlet pipe 4, the air outlet pipe 4 is respectively communicated with the tops of the functional unit cabinet, the control cabinet and the transformer cabinet 2, an air outlet of the water-cooling air cooler 8 penetrates through the wall body of the high-voltage frequency conversion chamber 1 and is communicated with the air inlet pipe 3, and the air inlet pipe 3 is respectively communicated with the bottoms of the functional unit cabinet, the control cabinet and the transformer cabinet 2; the high-voltage frequency conversion cabinet is characterized by further comprising a dispersing transverse pipe 5 and a concentrating transverse pipe 6 which are arranged in the high-voltage frequency conversion chamber 1, wherein the dispersing transverse pipe 5 is connected between an air outlet of a water-cooling air cooler 8 and an air inlet pipe 3, the concentrating transverse pipe 6 is connected between an air inlet of the water-cooling air cooler 8 and an air outlet pipe 4, each of the functional unit cabinet, the control cabinet and the transformer cabinet 2 comprises a cabinet body 21 and a cabinet door 22 arranged on the cabinet body 21, the top and the bottom of the cabinet body 21 are respectively provided with an exhaust fan 23 and an air inlet fan 26, the exhaust fan 23 is matched with the air outlet pipe 4, the air inlet fan 26 is matched with the air inlet pipe 3, one end of the cabinet door 22 close to the air outlet pipe 4 is provided with an exhaust hole group 24, one end of the cabinet door 22 far away from the air outlet pipe 4 is provided with a plurality of fan filters 25, the fan filters 22 are provided with an air guide shell 210, the fan filters 25 are arranged in the air guide shell 210, the air guide shell 210 is provided with an air guide hole 211, the air guide port 211 is connected with an air guide tube 212, the air guide tube 212 is arranged in the cabinet body 21, and two ends of the air guide tube 212 are respectively connected with a sealing cover 216 and a connecting intubation tube 217; the high-voltage frequency conversion cabinet also comprises a controller, wherein temperature sensors are arranged at the joint of the air outlet pipe 4 and the cabinet body 21 and in the high-voltage frequency conversion chamber 1, and the controller is electrically connected with the temperature sensors; the gas-guide tube 212 comprises a plurality of positioning tubes 213 and telescopic bending tubes 214 which are alternately arranged and connected, and the positioning tubes 213 are provided with annular tearing indentations 215; a plurality of adjusting shutters 7 are arranged on the horizontal dispersing pipe 5, each adjusting shutter 7 comprises a frame shell 71 and a connecting rod 73, each frame shell 71 is provided with an adjusting motor 76 and is hinged with a plurality of adjusting blades 72, each adjusting blade 72 comprises a rotating shaft 74 movably connected to the frame shell 71, a blade 75 is fixed on each rotating shaft 74, a power rod of each adjusting motor 76 is connected with the rotating shaft 74 of one adjusting blade 72, and the blades 75 of the adjusting blades 72 are movably connected with the connecting rods 73; the controller is electrically connected with the adjusting motor 76; a plurality of hooks 77 are connected to one side surface of the frame shell 71, and an elastic ring 78 is arranged on one side surface of the frame shell 71 connected with the hooks 77; the elastic ring 78 is a foam ring or a silica gel ring; the cabinet door 22 is provided with a limiting frame 27, the exhaust hole group 24 is arranged in the limiting frame 27, a fixing frame 28 is arranged in the limiting frame 27, and the fixing frame 28 is wrapped with a filter screen 29.
Cold air is guided into the dispersing transverse pipes 5 through the air outlets by the water-cooling air coolers 8, the cold air is guided into the air inlet pipes 3 through the dispersing transverse pipes 5, meanwhile, the cold air is guided into the high-voltage frequency conversion chamber 1 through the adjusting shutters 7, the cold air entering the air inlet pipes 3 is accelerated to be guided into the cabinet body 21 through the air inlet fans 26, the cold air is guided into the cabinet body 21 and then is dispersed to cool elements in the cabinet body 21, meanwhile, hot air in the cabinet body 21 is guided into the air outlet pipe 4 through the exhaust fans 23 at the top of the cabinet body 21, and the hot air guided out of the air outlet pipe 4 is concentrated through the concentrating transverse pipe 6 and is exhausted; the cold air in the high-voltage frequency conversion chamber 1 is guided into the air guide shell 210 through the fan filter 25, the cold air enters the positioning pipe 213 through the air guide port 211, the direction of the positioning pipe 213 is adjusted through the telescopic bending pipe 214, so that the positioning pipe 213 can be cooled according to the hot point of the equipment fan, the annular tearing indentation 215 is torn through pressing, the cold air can be guided out through the torn opening, and the aim of cooling at multiple points is fulfilled to improve the cooling effect; dust is filtered through the filter screen 29, so that the dust in the high-voltage frequency conversion chamber 1 is difficult to enter the cabinet body 21, the temperature of gas exhausted from the cabinet body 21 is sensed through the temperature sensor, when the temperature is too high, the rotating shaft 74 is controlled to rotate through the adjusting motor 76, the rotating shaft 74 drives the blades 75 to rotate, the blades 75 in the adjusting blades 72 are driven to rotate simultaneously through the connecting rod 73, the blades 75 in the adjusting blades 72 are matched to control the reduction of the gas output of the adjusting shutter 7, and cold air is concentrated to the cabinet body 21 so as to ensure the cooling efficiency of the cabinet body 21; the power of the air supply fan 26 is not changed, for example, the amount of cold air introduced into the cabinet 21 on the same air inlet pipe 3 is disordered by changing the power of the air supply fan 26, so that it is difficult to adjust the air supply speed of each cabinet 21 to the same value; the air outlet quantity of the adjusting shutter 7 is controlled to improve the air inlet quantity of the cabinet body 21, the hook 77 is hung in a hole formed in the horizontal dispersion pipe 5, the hole is used for installing the adjusting shutter 7, and the frame shell 71 is ensured not to shake when the frame shell 71 is hung on the horizontal dispersion pipe 5 through the elasticity of the elastic ring 78; the temperature in the high-voltage frequency conversion chamber 1 is ensured by adjusting the shutter 7, and the temperature in the high-voltage frequency conversion chamber 1 is sensed by the temperature sensor.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the utility model, without departing from the spirit and scope of the utility model.
Claims (6)
1. A high-efficiency cooling device for a high-voltage frequency converter comprises a high-voltage frequency conversion chamber (1), an air inlet pipe (3), an air outlet pipe (4) and a water-cooling air cooler (8), wherein an inlet wire power supply cabinet, a bypass cabinet, a functional unit cabinet, a control cabinet and a transformer cabinet (2) are arranged in the high-voltage frequency conversion chamber (1), an air inlet of the water-cooling air cooler (8) penetrates through the wall of the high-voltage frequency conversion chamber (1) and is communicated with the air outlet pipe (4), the air outlet pipe (4) is respectively communicated with the tops of the functional unit cabinet, the control cabinet and the transformer cabinet (2), an air outlet of the water-cooling air cooler (8) penetrates through the wall of the high-voltage frequency conversion chamber (1) and is communicated with the air inlet pipe (3), and the air inlet pipe (3) is respectively communicated with the bottoms of the functional unit cabinet, the control cabinet and the transformer cabinet (2); the method is characterized in that: still violently manage (5) and violently manage (6) with concentrating including the dispersion that sets up in high-pressure frequency conversion room (1), the dispersion is violently managed (5) and is connected between water-cooling air-cooler (8) gas outlet and intake pipe (3), violently manage (6) and connect between water-cooling air-cooler (8) air inlet and outlet duct (4) concentrating, functional unit cabinet, switch board and transformer cabinet (2) are all including the cabinet body (21) and set up cabinet door (22) on the cabinet body (21), cabinet body (21) top and bottom are provided with exhaust fan (23) and air inlet fan (26) respectively, exhaust fan (23) and outlet duct (4) cooperation, air inlet fan (26) and inlet duct (3) cooperation, exhaust vent group (24) have been seted up to cabinet door (22) one end that is close to outlet duct (4), cabinet door (22) are kept away from one end of outlet duct (4) and are provided with a plurality of fan filter (25), the cabinet door (22) is provided with an air guide shell (210), the fan filter (25) is arranged in the air guide shell (210), the air guide shell (210) is provided with an air guide opening (211), the air guide opening (211) is connected with an air guide pipe (212), the air guide pipe (212) is arranged in the cabinet body (21), and two ends of the air guide pipe (212) are respectively connected with a sealing cover (216) and a connecting intubation tube (217); the temperature control cabinet is characterized by further comprising a controller, wherein temperature sensors are arranged at the joint of the air outlet pipe (4) and the cabinet body (21) and in the high-voltage frequency conversion chamber (1), and the controller is electrically connected with the temperature sensors.
2. The high-efficiency cooling device for the high-voltage frequency converter according to claim 1, wherein: the air duct (212) comprises a plurality of positioning pipes (213) and a telescopic bending pipe (214) which are alternately arranged and connected, and an annular tearing indentation (215) is arranged on each positioning pipe (213).
3. The high-efficiency cooling device for the high-voltage frequency converter according to claim 1 or 2, wherein: the dispersing horizontal pipe (5) is provided with a plurality of adjusting shutters (7), each adjusting shutter (7) comprises a frame shell (71) and a connecting rod (73), each frame shell (71) is provided with an adjusting motor (76) and a plurality of adjusting blades (72) in hinged connection, each adjusting blade (72) comprises a rotating shaft (74) movably connected to the frame shell (71), each rotating shaft (74) is fixedly provided with a blade (75), a power rod of each adjusting motor (76) is connected with the rotating shaft (74) of each adjusting blade (72), and the blades (75) of the adjusting blades (72) are movably connected with the connecting rods (73); the controller is electrically connected with the adjusting motor (76).
4. The high-efficiency cooling device for the high-voltage frequency converter according to claim 3, wherein: a plurality of hooks (77) are connected to one side face of the frame shell (71), and elastic rings (78) are arranged on one side face of the frame shell (71) connected with the hooks (77).
5. The efficient cooling device for the high-voltage frequency converter according to claim 4, wherein: the elastic ring (78) is a foam ring or a silica gel ring.
6. The efficient cooling device for the high-voltage frequency converter according to claim 5, wherein: be provided with spacing frame (27) on cabinet door (22), exhaust vent group (24) set up in spacing frame (27), be provided with fixed frame (28) in spacing frame (27), the parcel has filter screen (29) on fixed frame (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616814.6U CN216356442U (en) | 2021-10-29 | 2021-10-29 | High-efficient heat sink is used to high-voltage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122616814.6U CN216356442U (en) | 2021-10-29 | 2021-10-29 | High-efficient heat sink is used to high-voltage inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216356442U true CN216356442U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122616814.6U Active CN216356442U (en) | 2021-10-29 | 2021-10-29 | High-efficient heat sink is used to high-voltage inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216356442U (en) |
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2021
- 2021-10-29 CN CN202122616814.6U patent/CN216356442U/en active Active
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