CN213461518U

CN213461518U - Water-cooling power unit for high-voltage four-quadrant frequency converter

Info

Publication number: CN213461518U
Application number: CN202022221938.XU
Authority: CN
Inventors: 张汝建
Original assignee: Jiangsu Yuchuang High Ferro Energy Saving Technology Co ltd
Current assignee: Jiangsu Yuchuang High Ferro Energy Saving Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-15
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a water-cooling power unit for high pressure four-quadrant converter, its technical scheme is: including casing and heat dissipation mechanism, the inner chamber of casing is provided with heat dissipation mechanism, the top of heat dissipation mechanism and shells inner wall's top fixed connection, a water-cooling power unit beneficial effect for high-pressure four-quadrant converter is: through the air exhauster, the suction opening, the ventilation pipe, the exhaust column, go out the tuber pipe, heat dissipation mechanism, cooperation between cooling tube and the blowing pipe is used, carry cold air to air outlet department, the air outlet evenly blows off cold air to unit spare department through the exhaust vent, effectual radiating effect has been reached, when dispelling the heat to four-quadrant converter unit on having solved present market, generally use the water-cooling mode, its shortcoming lies in bulky, the cost is higher, and the radiating effect is not good, then reduced the life of converter, user's demand can not be satisfied, be unfavorable for the problem of market use widely.

Description

Water-cooling power unit for high-voltage four-quadrant frequency converter

Technical Field

The utility model relates to a high-voltage inverter field, concretely relates to water-cooling power unit for high-pressure four-quadrant converter.

Background

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, along with the rapid development of modern power electronic technology and microelectronic technology, a high-voltage high-power frequency conversion speed regulation device is continuously mature, the high-voltage problem which is difficult to solve originally is well solved by device series connection or unit series connection, the high-voltage frequency converter has various types and various classification methods, and the frequency converter can be divided into an AC-AC frequency converter and an AC-DC-AC frequency converter according to the existence of a DC part in an intermediate link; according to the property of a direct current part, the direct current frequency converter can be divided into a current type frequency converter and a voltage type frequency converter; according to the existence of an intermediate low-voltage loop, the frequency converter can be divided into a high-high frequency converter and a high-low high frequency converter; according to the number of output levels, the frequency converter can be divided into two-level, three-level, five-level and multi-level frequency converters, etc.

The prior art has the following defects: when dispelling the heat to four-quadrant converter unit in the existing market, generally use the water-cooling mode, its shortcoming lies in that the volume is too big, and the cost is higher, and the radiating effect is not good, has reduced the life of converter then, has not satisfied the user demand, is unfavorable for market use widely.

Therefore, it is necessary to invent a water-cooled power unit for a high-voltage four-quadrant frequency converter.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a water-cooling power unit for high pressure four-quadrant converter uses through the cooperation of casing with heat dissipation mechanism to solve on the existing market when dispelling the heat to four-quadrant converter unit, generally use the water-cooling mode, its shortcoming lies in bulky, and the cost is higher, and the radiating effect is not good, has reduced the life of converter then, is unfavorable for the problem of marketing use.

In order to achieve the above object, the present invention provides the following technical solutions: a water-cooling power unit for a high-voltage four-quadrant frequency converter comprises a shell and a heat dissipation mechanism, wherein a heat dissipation mechanism is arranged in an inner cavity of the shell, the top of the heat dissipation mechanism is fixedly connected with the top of the inner wall of the shell, an exhaust fan is fixedly connected to the outer side of the shell, an exhaust pipe is communicated with the exhaust end of the exhaust fan, a ventilation pipe is communicated with the outer side of the exhaust pipe, one end, far away from the exhaust pipe, of the ventilation pipe penetrates through the shell and extends into the shell, an exhaust opening is communicated with the outer side of the ventilation pipe, an air outlet pipe is communicated with the air outlet end of the exhaust fan, one end, far away from the exhaust fan, of the air outlet pipe penetrates through the shell and is communicated with the inner wall of the heat dissipation mechanism, a fan is fixedly connected with the top of the inner wall of the heat, the outer side of the blowing pipe is communicated with an air outlet, an air outlet hole is formed in an inner cavity of the air outlet, and a unit element is arranged in the inner cavity of the shell and located at the bottom of the air outlet.

Preferably, a switch is installed at the top of the shell, and an electrical output end of the switch is electrically connected with an electrical input end of the exhaust fan.

Preferably, the bottom of the shell is fixedly connected with universal wheels, and the number of the universal wheels is two.

Preferably, the outer side of the exhaust fan is fixedly connected with a fixing plate, and one end, far away from the exhaust fan, of the fixing plate is fixedly connected with one side of the shell.

Preferably, the front surface of the shell is rotatably connected with a movable door through a hinge, and the front surface of the movable door is provided with a handle.

Preferably, the front surface of the movable door is provided with a vent hole, and one side of the vent hole close to the movable door is fixedly connected with the movable door.

Preferably, the rear surface of casing is provided with the ventilation net, the one side that the ventilation net is close to the casing is with casing fixed connection.

The utility model has the advantages that:

the utility model discloses an air exhauster, the suction opening, the ventilation pipe, the exhaust column, go out the tuber pipe, heat dissipation mechanism, cooperation between cooling tube and the blowing pipe is used, carry cold air to air outlet department, the air outlet evenly blows off cold air to unit spare department through the exhaust opening, effectual radiating effect has been reached, when dispelling the heat to four-quadrant converter unit on having solved present market, generally use the water-cooling mode, its shortcoming lies in bulky, the cost is higher, and the radiating effect is not good, the life of converter has then been reduced, user's demand has not been satisfied, be unfavorable for the problem of market use widely.

1. The utility model has the advantages that the effect of opening and closing the exhaust fan is achieved by arranging the switch, thereby being convenient for the user to use; through having set up the universal wheel, when the user removes the casing, improved the stability and the flexibility of casing.

2. The utility model has the advantages that through the arrangement of the fixed plate, when the exhaust fan operates, the exhaust fan is fixed, and the stability of the exhaust fan is improved; through having set up the dodge gate, made things convenient for the user to open and close the casing, to the clearance that removes dust of inside unit piece.

3. The utility model has the advantages that the ventilation holes are arranged, so that the internal air is circulated, and the service life of the unit element is prolonged; through having set up the ventilation net, prevent that external dust from entering into in the casing, be favorable to market popularization and use.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a cross-sectional view of the air outlet provided by the present invention;

fig. 3 is a front view of the housing provided by the present invention;

fig. 4 is a rear view of the housing provided by the present invention;

in the figure: 1. a housing; 2. an exhaust fan; 3. an exhaust pipe; 4. a vent pipe; 5. an air suction opening; 6. an air outlet pipe; 7. a heat dissipation mechanism; 8. a fan; 9. a cooling tube; 10. a blowpipe; 11. an air outlet; 12. an air outlet; 13. a unit element; 14. a switch; 15. a universal wheel; 16. a fixing plate; 17. a movable door; 18. a vent hole; 19. a ventilation net.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, referring to fig. 1-4, the utility model provides a water-cooling power unit for high-voltage four-quadrant frequency converter, including casing 1 and heat dissipation mechanism 7, the inner chamber of casing 1 is provided with heat dissipation mechanism 7, the top of heat dissipation mechanism 7 is fixedly connected with the top of the inner wall of casing 1, the outside of casing 1 is fixedly connected with air exhauster 2, the air exhausting end of air exhauster 2 is communicated with exhaust column 3, the outside of exhaust column 3 is communicated with ventilation pipe 4, the end of ventilation pipe 4 far away from exhaust column 3 runs through casing 1 and extends to the inside of casing 1, the outside of ventilation pipe 4 is communicated with air exhausting opening 5, the air exhausting end of air exhauster 2 is communicated with air outlet pipe 6, the end of air outlet pipe 6 far away from air exhauster 2 runs through casing 1 and communicates with the inner wall of heat dissipation mechanism 7, the top of the inner wall of heat dissipation mechanism 7 is fixedly connected with fan 8, the cooling structure is characterized in that a cooling pipe 9 is arranged at the bottom of the inner cavity of the heat dissipation mechanism 7 and located at the fan 8, a blowing pipe 10 is communicated with the bottom of the heat dissipation mechanism 7, an air outlet 11 is communicated with the outer side of the blowing pipe 10, an air outlet 12 is formed in the inner cavity of the air outlet 11, and a unit element 13 is arranged at the bottom of the inner cavity of the shell 1 and located at the air outlet 11.

The utility model discloses a use as follows: when the utility model is used, the shell 1 is moved to a working place through the universal wheel 15, when the unit element 13 in the shell 1 operates, the switch 14 opens the exhaust fan 2, the exhaust fan 2 sucks hot air into the ventilation pipe 4 through the suction opening 5, the ventilation pipe 4 conveys the hot air into the exhaust pipe 3, the exhaust pipe 3 conveys the hot air into the air outlet pipe 6, the air outlet pipe 6 conveys the hot air into the heat dissipation mechanism 7, the fan 8 in the heat dissipation mechanism 7 blows the hot air to the cooling pipe 9, the cooling pipe 9 cools the hot air, the processed cold air is conveyed into the blowing pipe 10, the blowing pipe 10 conveys the cold air to the air outlet 11, the air outlet 11 uniformly blows the cold air to the unit element 13 through the air outlet 12, an effective heat dissipation effect is achieved, the problem that when the four-frequency converter unit is cooled in the current market is solved, generally, a water cooling mode is used, the water cooling mode has the defects of overlarge volume, higher cost and poor heat dissipation effect, so that the service life of the frequency converter is prolonged, the requirements of users cannot be met, and the water cooling mode is not favorable for market popularization and use.

Embodiment 2, the utility model provides a pair of a water-cooling power unit for high-pressure four-quadrant converter, different with embodiment 1 is:

referring to the attached drawing 1 in the specification, the water-cooling power unit for the high-voltage four-quadrant frequency converter of the embodiment comprises a shell 1 and a heat dissipation mechanism 7, universal wheels 15 are fixedly connected to the bottom of the shell 1, the number of the universal wheels 15 is two, a movable door 17 is rotatably connected to the front surface of the shell 1 through hinges, a handle is arranged on the front surface of the movable door 17, a vent hole 18 is formed in the front surface of the movable door 17, one side, close to the movable door 17, of the vent hole 18 is fixedly connected with the movable door 17, a ventilation net 19 is arranged on the rear surface of the shell 1, one side, close to the shell 1, of the ventilation net 19 is fixedly connected with the shell 1, the heat dissipation mechanism 7 is arranged in an inner cavity of the shell 1, the top of the heat dissipation mechanism 7 is fixedly connected with the top of the inner wall of the shell 1, an exhaust, a switch 14 is installed at the top of the casing 1, an electrical output end of the switch 14 is electrically connected with an electrical input end of the exhaust fan 2, a fixing plate 16 is fixedly connected to the outer side of the exhaust fan 2, one end of the fixing plate 16, which is far away from the exhaust fan 2, is fixedly connected with one side of the casing 1, an air exhaust end of the exhaust fan 2 is communicated with an air exhaust pipe 3, the outer side of the air exhaust pipe 3 is communicated with a ventilation pipe 4, one end of the ventilation pipe 4, which is far away from the air exhaust pipe 3, penetrates through the casing 1 and extends into the casing 1, the outer side of the ventilation pipe 4 is communicated with an air exhaust port 5, an air outlet end of the exhaust fan 2 is communicated with an air outlet pipe 6, one end of the air outlet pipe 6, which is far away from the exhaust fan 2, penetrates through the casing 1 and is communicated with the inner wall of the heat dissipation, the bottom of the heat dissipation mechanism 7 is communicated with a blowpipe 10, the outer side of the blowpipe 10 is communicated with an air outlet 11, an air outlet 12 is formed in the inner cavity of the air outlet 11, and a unit element 13 is arranged in the inner cavity of the shell 1 and at the bottom of the air outlet 11.

The implementation scenario is specifically as follows: when the utility model is used, the shell 1 is moved to the working place through the universal wheel 15, the stability and the flexibility of the shell 1 are improved when the user moves the shell 1 by arranging the universal wheel 15, the shell 1 is convenient to be opened and closed by the user by arranging the movable door 17, the internal unit element 13 is cleaned by removing dust, the internal air is circulated by arranging the vent hole 18, the service life of the unit element 13 is prolonged, the external dust is prevented from entering the shell 1 by arranging the ventilation net 19, the market promotion and use are facilitated, when the ventilation pipe 13 in the shell 1 is operated, the switch 14 opens the exhaust fan 2, the effect of opening and closing the exhaust fan 2 is achieved by arranging the switch 14, the use of the user is facilitated, the exhaust fan 2 sucks hot air into the unit element 4 through the air suction port 5, the ventilation pipe 4 conveys the hot air into the air suction pipe 3, the exhaust pipe 3 conveys hot air into the air outlet pipe 6, the air outlet pipe 6 conveys the hot air into the heat dissipation mechanism 7, the exhaust fan 2 is fixed by arranging the fixing plate 16 when running, the stability of the exhaust fan 2 is improved, the fan 8 in the heat dissipation mechanism 7 blows the hot air to the cooling pipe 9, the cooling pipe 9 cools the hot air, the processed cold air is conveyed into the blowing pipe 10, the blowing pipe 10 conveys the cold air to the air outlet 11, the air outlet 11 uniformly blows the cold air to the unit element 13 through the air outlet 12, the effective heat dissipation effect is achieved, the problem that when the four-quadrant converter unit is cooled in the current market is solved, a water cooling mode is generally used, the defects of overlarge volume, high cost and poor heat dissipation effect are solved, and the service life of the converter is further reduced, the requirements of users cannot be met, and the market popularization and the use are not facilitated.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a water-cooling power unit for high pressure four-quadrant converter, includes casing (1) and heat dissipation mechanism (7), its characterized in that: a heat dissipation mechanism (7) is arranged in the inner cavity of the shell (1), and the top of the heat dissipation mechanism (7) is fixedly connected with the top of the inner wall of the shell (1);

the outer side of the shell (1) is fixedly connected with an exhaust fan (2), the exhaust end of the exhaust fan (2) is communicated with an exhaust pipe (3), the outer side of the exhaust pipe (3) is communicated with a ventilation pipe (4), one end, far away from the exhaust pipe (3), of the ventilation pipe (4) penetrates through the shell (1) and extends to the inside of the shell (1), the outer side of the ventilation pipe (4) is communicated with an exhaust opening (5), the air outlet end of the exhaust fan (2) is communicated with an air outlet pipe (6), one end, far away from the exhaust fan (2), of the air outlet pipe (6) penetrates through the shell (1) and is communicated with the inner wall of a heat dissipation mechanism (7), the top of the inner wall of the heat dissipation mechanism (7) is fixedly connected with a fan (8), the inner cavity of the heat dissipation mechanism (7) is provided with a cooling pipe (9) at the bottom of the fan (8), and the bottom, the outer side of the blowing pipe (10) is communicated with an air outlet (11), an air outlet (12) is formed in an inner cavity of the air outlet (11), and a unit element (13) is arranged in the inner cavity of the shell (1) and located at the bottom of the air outlet (11).

2. The water-cooled power unit for the high-voltage four-quadrant frequency converter according to claim 1, characterized in that: switch (14) are installed at the top of casing (1), the electrical property output of switch (14) and the electrical property input electric connection of air exhauster (2).

3. The water-cooled power unit for the high-voltage four-quadrant frequency converter according to claim 1, characterized in that: the bottom fixedly connected with universal wheel (15) of casing (1), the quantity of universal wheel (15) sets up to two.

4. The water-cooled power unit for the high-voltage four-quadrant frequency converter according to claim 1, characterized in that: the outer side of the exhaust fan (2) is fixedly connected with a fixing plate (16), and one end, far away from the exhaust fan (2), of the fixing plate (16) is fixedly connected with one side of the shell (1).

5. The water-cooled power unit for the high-voltage four-quadrant frequency converter according to claim 1, characterized in that: the front surface of the shell (1) is rotatably connected with a movable door (17) through a hinge, and the front surface of the movable door (17) is provided with a handle.

6. The water-cooled power unit for the high-voltage four-quadrant frequency converter according to claim 5, characterized in that: the front surface of the movable door (17) is provided with a vent hole (18), and one side of the vent hole (18) close to the movable door (17) is fixedly connected with the movable door (17).

7. The water-cooled power unit for the high-voltage four-quadrant frequency converter according to claim 1, characterized in that: the rear surface of casing (1) is provided with ventilation net (19), one side and casing (1) fixed connection that ventilation net (19) are close to casing (1).