CN210780514U - Water-cooling heat dissipation structure of frequency converter - Google Patents
Water-cooling heat dissipation structure of frequency converter Download PDFInfo
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- CN210780514U CN210780514U CN201922112252.4U CN201922112252U CN210780514U CN 210780514 U CN210780514 U CN 210780514U CN 201922112252 U CN201922112252 U CN 201922112252U CN 210780514 U CN210780514 U CN 210780514U
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Abstract
A frequency converter water-cooling heat dissipation structure is arranged in a box body of a container, and a power device of a frequency converter is arranged in the box body and comprises a radiator provided with a fan and a water-cooling plate arranged on the power device; the water cooling plate is provided with a water cooling pipeline which is a water cooling pipe arranged on the surface of the water cooling plate, and the water cooling pipe is arranged in a snake shape from bottom to top; the water cooling pipe is provided with a horizontal first pipe section and a vertical second pipe section; the first pipe sections are provided with an even number and are mutually attached in pairs to form pipe groups; and the adjacent pipe groups are spaced and connected through a second pipe section to form a guide groove with an open front side. The water-cooling heat dissipation structure of the frequency converter enables cooling water in the water-cooling pipe to be easier to dissipate heat into a space in the box body through the water-cooling pipe arranged on the surface of the water-cooling plate and to be discharged out of the box body, so that the temperature of cooling liquid flowing back to a radiator can be reduced, the water-cooling heat dissipation structure does not need to be provided with a cooling water tank, and the cooling liquid can be guaranteed to be wholly circulated in a lower temperature state.
Description
Technical Field
The utility model belongs to the electrical equipment field especially relates to a converter water-cooling heat radiation structure.
Background
In order to change the power frequency of the motor operation, and thus change the rotation speed of the motor, and control the operation of the motor, an inverter is required for power control. However, the mining motor has large power, and the used frequency converter also needs to adopt a high-power specification.
Because the work place needs to be changed frequently, the frequency converter is installed in the container, and the vehicle-mounted transportation is convenient to carry out. The high-power frequency converter has huge heat productivity, and a water-cooling heat dissipation device needs to be arranged for heat dissipation in an aligned mode. The existing water-cooling heat dissipation device has limited heat dissipation performance, and can increase the total amount of circulating cooling liquid by being equipped with a cooling water tank, fully disperse the heat absorbed by the cooling liquid and prevent the continuous temperature rise of the cooling liquid. However, the space of the container is limited, the cooling water tank cannot be arranged in the container, and the container needs to be separately equipped and transported, so that the convenience of transportation and use of the frequency converter is limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the limited problem of the convenience of the water cooling plant heat dispersion of current converter poor, transportation and use, provide a converter water-cooling heat radiation structure that heat dispersion is strong, the integrated level is high and be convenient for transportation.
In order to achieve the above object, the utility model discloses a technical scheme be:
a frequency converter water-cooling heat dissipation structure is arranged in a box body of a container, and a power device of a frequency converter is arranged in the box body and comprises a radiator provided with a fan and a water-cooling plate arranged on the power device;
the water cooling plate is provided with a water cooling pipeline, one end of the water cooling pipeline is connected with a water inlet of the radiator through a first circulating pipeline, the other end of the water cooling pipeline is connected with a water outlet of the radiator through a second circulating pipeline,
the second circulation pipeline is provided with a delivery pump, the power device is positioned on the front side of the radiator, the radiator is positioned at the rear end of the box body, and an end plate at the rear end of the box body is provided with a heat exhaust port;
the water cooling pipeline is a water cooling pipe arranged on the surface of the water cooling plate, and the water cooling pipe is arranged in a snake shape from bottom to top;
the water cooling pipe is provided with a horizontal first pipe section and a vertical second pipe section;
the first pipe sections are provided with an even number and are mutually attached in pairs to form pipe groups; and the adjacent pipe groups are spaced and connected through a second pipe section to form a guide groove with an open front side.
Preferably, a cooling space is provided between the power device and the heat sink.
Preferably, the water cooling plate is located on a side wall of one side of the power device.
Preferably, the first circulation pipeline is connected with the top end of the water-cooling pipe, and the second circulation pipeline is connected with the bottom end of the water-cooling pipe.
Preferably, the water inlet is arranged at the top end of the radiator, and the water outlet is arranged at the bottom end of the radiator.
Preferably, a plurality of water cooling plates are connected in series between the first circulation pipeline and the second circulation pipeline, the water cooling pipes of adjacent water cooling plates are connected through connecting pipes, and two ends of each connecting pipe are connected with the rear ends of the pipe groups of the corresponding water cooling pipes.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the frequency converter water-cooling heat radiation structure is arranged on the surface of the water-cooling plate through the water-cooling pipe, cooling water in the water-cooling pipe can more easily emit heat to the space in the box body, the cooling water is blown to the air outlet after being guided by the fan and is discharged out of the box body, the temperature of the cooling liquid flowing back to the radiator can be reduced, the working pressure of the fan for cooling the cooling liquid in the radiator is reduced, the temperature of the cooling liquid leaving the radiator is lower, the cooling liquid can be recycled to the water-cooling plate again, the heat of a power device is radiated, the water-cooling heat radiation structure is not required to be provided with a cooling water tank, the cooling liquid can be ensured to be wholly circulated in a lower temperature state, the heat radiation efficiency is improved, the number of parts required by the whole water-cooling heat radiation structure is reduced, the frequency converter water-cooling heat radiation.
2. Two double-phases of the first horizontal pipe section lean on in the water-cooling pipe, the vertical second pipe section is located at the rear side, the water-cooling pipe is in a comb shape, when air flow flows backward and forward along the surface of the water-cooling pipe, the first pipe sections lean on each other in pairs can guide the air flow, the air flow can enter tooth grooves of comb teeth more easily, the air flow can flow to a fan only through the second pipe section, the blocking of the water-cooling pipe to the air flow is reduced, the smooth flowing of the air flow is ensured, the fan can attract more air flows flowing through the surface of the water-cooling pipe, the air flows are discharged out of a box body, the heat dissipation speed of the water-cooling pipe is increased, the temperature of cooling liquid flowing back to the radiator is further reduced, the working pressure of the fan for cooling and dissipating heat of the radiator.
3. Set up cooling space between power device and the radiator, make the air in this space directly be taken away by the fan more easily and send to form the negative pressure fast in cooling space, thereby accelerate the attraction to water-cooling plate surface air, take away the heat that the water-cooling plate distributed away rapidly, improve the radiating efficiency.
4. The water-cooling board is arranged on the side face of the power device, so that the rear surface of the power device is aligned to the fan, and heat emitted from the rear surface of the power device can be quickly taken away by the fan, so that the heat dissipation speed of the power device is increased, and the heat dissipation efficiency is improved.
5. The second circulation pipeline that sends into the coolant liquid is connected to the water-cooling tube bottom, makes the coolant liquid flow from bottom to top in the water-cooling tube, can promote the bubble in the water-cooling tube for the bubble come-up makes the bubble discharge water-cooling tube, avoids the bubble to occupy the water-cooling tube inner space, guarantees that the coolant liquid can fully contact and the heat exchange with the water-cooling tube pipe wall, guarantees the radiating effect of coolant liquid.
6. The water inlet and the water outlet are respectively arranged at the top end and the bottom end of the radiator, so that the vertical flowing distance of the cooling liquid in the radiator is maximized, the flowing time of the cooling liquid in the radiator is prolonged, the cooling liquid in the radiator can be cooled and dissipated by the air flow of the fan, the temperature of the cooling liquid leaving the radiator is reduced to a lower level, and the heat dissipation effect is improved.
7. The water-cooling plates are connected in series, so that the water-cooling plates can fully cover a plurality of positions of the power device, and the power device can be fully cooled and radiated by water. The connecting pipe is connected at the rear end simultaneously, makes the water-cooled tube after the polyphone wholly throw away into the broach dress, guarantees its guide effect to the air current, reduces the resistance to the air current, and the air current smoothly flows out, guarantees the radiating effect.
Drawings
FIG. 1 is a side view structural diagram of the frequency converter water-cooling heat dissipation structure of the present invention installed in a box body and opened with a side plate;
fig. 2 is a three-dimensional structure diagram of the water-cooling heat dissipation structure of the frequency converter of the present invention;
in the above figures: 1. a box body; 11. a heat exhaust port; 2. a power device; 3. a heat sink; 31. a water inlet; 32. a water outlet; 4. a water-cooling plate; 41. a water-cooled tube; 41a, a first pipe section; 41b, a second pipe section; A. a tube set; 5. a fan; 61. a first circulation line; 62. a second circulation line; 7. a delivery pump; 8. a cooling space; 9. and (4) connecting the pipes.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, the utility model provides a converter water-cooling heat radiation structure installs in the box 1 of container, is provided with the power device 2 of converter in the box 1, and power device 2 is dispelled the heat by water-cooling heat radiation structure and is cooled down.
The frequency converter water-cooling heat dissipation structure comprises a radiator 3 provided with a fan 5 and a water-cooling plate 4 arranged on the power device 2.
The water cooling plate 4 is provided with a water cooling pipeline, one end of the water cooling pipeline is connected with the water inlet 31 of the radiator 3 through a first circulation pipeline 61, and the other end of the water cooling pipeline is connected with the water outlet 32 of the radiator 3 through a second circulation pipeline 62.
The second circulation line 62 is provided with a delivery pump 7 for powering the circulation of the cooling liquid.
The power device 2 is positioned at the front side of the radiator 3, the radiator 3 is positioned at the rear end of the box body 1, and the heat exhaust opening 11 is arranged on the end plate at the rear end of the box body 1.
The radiator 2 is a hollow structure in a grid shape, and the structure itself is the existing heat dissipation device, which is not the invention point of the present application.
The coolant contained in the radiator 2 flows out into the second circulation pipe 62 through the liquid outlet, and the delivery pump 7 pumps the coolant in the second circulation pipe 62 into the water cooling pipe of the water-cooled panel 4.
Because the heat that power device 2 work produced is transferred to on the water-cooling board 4, the coolant liquid that flows in the water-cooling pipeline then takes away the heat on the water-cooling board 4 to the realization is to the cooling heat dissipation of power device 2.
The coolant after absorbing heat leaves the water cooling line and flows back to the radiator 2 through the first circulation line 61.
The fan 5 blows air in the box body 1 to the radiator 2, cools down and radiates cooling liquid in the radiator 2, and sends heat out of the box body 1 through the heat exhaust port 11.
The water cooling pipeline is a water cooling pipe 41 arranged on the surface of the water cooling plate 4, so that the water cooling pipe 41 can be in contact with the air in the box body 1, and after the cooling liquid flowing in the water cooling pipe 41 absorbs the heat on the water cooling plate 4, a part of heat can be radiated to the air in the box body 1.
The heat in the air in the box body 1 can be attracted by the fan 5 and blown to the radiator 2, and is finally discharged out of the box body 1 through the heat discharging port 11, so that the heat radiating speed of the power device 2 is accelerated, the temperature of the cooling liquid flowing back to the radiator 2 after heat absorption is reduced, the radiator 2 blown by the received air flow can quickly reduce the temperature of the cooling liquid to a lower temperature, and the cooling liquid can be circulated to the water cooling plate 4 for heat absorption and cooling.
The water-cooling tubes 41 are arranged in a serpentine shape from bottom to top, the distribution area of the water-cooling tubes 41 on the surface of the water-cooling plate 4 is increased, and the cooling liquid can fully absorb the heat of each position on the water-cooling plate 4.
The water cooling tube 41 is provided with a horizontal first tube section 41a and a vertical second tube section 41 b.
An even number of first tube sections 41a are provided, and each two first tube sections constitute a tube group a. Two first pipe sections 41a in the same pipe group a abut against each other, and the front ends of the two first pipe sections 41 communicate.
The tube groups A are arranged in parallel one by one from bottom to top, and adjacent tube columns A are directly provided with intervals and connected through a second tube section 41b, thereby forming a guide groove structure with an open front side.
The second pipe section 41b connects the rear ends of two adjacent first pipe sections 41a of the two pipe strings a.
The front ends of two first pipe sections 41 in the same pipe group A are communicated, and the rear ends of two adjacent first pipe sections 41a of two pipe columns A are communicated through a second pipe section 41b, so that the serpentine arrangement of the water cooling pipes 41 is maintained.
When the air in the case 1 is sucked by the fan 5 and flows backward, the air flows over the surface of the water-cooled plate 4. The tube group A consisting of the two first tube sections 41a attached to each other can be used as a guide bar to guide airflow to a guide groove structure between the tube groups A, so that the airflow is concentrated and accelerated, and heat emitted by the water cooling tube 41 is taken away quickly. The air flow entering the inverted groove structure can flow through the water-cooling tube 41 only by passing through the second tube section 41b, and then continuously flows backwards along the surface of the water-cooling plate 4, so that the resistance of the air flow flowing through the water-cooling tube 41 is small, and the air flow can be quickly carried away with heat.
In order to enhance the suction effect of the fan 5 on the air in the case 1, a cooling space 8 is provided between the power device 2 and the radiator 3.
In order to further accelerate the natural heat dissipation speed of the power device 2, the water cooling plate 4 is arranged on the side wall of one side of the power device 2, the rear surface of the power device 2 directly faces the fan 5, and the fan 5 can directly suck away the heat emitted from the rear surface of the power device 2.
The water cooling plate 4 is located at the side part, so that the air flow can more easily flow backwards along the surface of the water cooling plate 4, and the heat emitted by the water cooling plate 4 and the water cooling tubes 41 on the water cooling plate 4 is quickly taken away.
If air remains in the water-cooling tube 41, the air bubbles occupy the space inside the water-cooling tube 41, and the space does not come into contact with the coolant, thereby reducing the efficiency of heat exchange of the coolant and affecting the heat radiation performance.
In order to prevent air from remaining in the water cooling tubes 41, the first circulation line 61 is connected to the top ends of the water cooling tubes 41, and the second circulation line 62 is connected to the bottom ends of the water cooling tubes 41.
The second circulation pipeline 62 feeds the cooling liquid from the bottom end of the water-cooling pipe 41, so that the cooling liquid flows in the water-cooling pipe 41 from bottom to top, bubbles in the water-cooling pipe 41 are pushed to flow upwards, and the bubbles have certain buoyancy, so that the bubbles are further ensured to flow upwards and leave the water-cooling pipe 41 from the top end along with the cooling liquid.
In order to sufficiently lower the temperature of the coolant in the radiator 3 for circulation again, a water inlet 31 is provided at the top end of the radiator 3 and a water outlet 32 is provided at the bottom end of the radiator 3.
The coolant liquid gets into by 3 tops of radiator, and the backward flows, flows out by the bottom, makes the coolant liquid vertical flow's in radiator 3 distance maximize to dwell longer time as far as possible in the coolant liquid, abundant give off the heat in the coolant liquid, and the quick fan 5 that blows away by, improvement radiating efficiency.
In order to further increase the distribution area of the water-cooling heat dissipation, a plurality of water-cooling plates 4 are connected in series between the first circulation pipe 61 and the second circulation pipe 62.
The water-cooled tube 41 of adjacent water-cooled panel 4 links to each other through connecting pipe 9, the nest of tubes A rear end that corresponds water-cooled tube 41 is all connected at the both ends of connecting pipe 9, make on water-cooled panel 4 the nest of tubes A of water-cooled tube 41 bottom and another water-cooled panel 4 adjacent below go up between the nest of tubes A on water-cooled tube 41 top constitute the guide slot structure, connecting pipe 9 is located the rear side, whole after the combination of a plurality of water-cooled tubes 41 polyphone, throw and be the broach structure, it is lower to guarantee that the resistance that the air current flows through, thereby take away the heat fast, and the heat dissipation efficiency is.
Claims (6)
1. A frequency converter water-cooling heat dissipation structure is arranged in a box body (1) of a container, and a power device (2) of a frequency converter is arranged in the box body (1), and is characterized by comprising a radiator (3) provided with a fan (5) and a water-cooling plate (4) arranged on the power device (2);
a water cooling pipeline is arranged on the water cooling plate (4), one end of the water cooling pipeline is connected with a water inlet (31) of the radiator (3) through a first circulating pipeline (61), the other end of the water cooling pipeline is connected with a water outlet (32) of the radiator (3) through a second circulating pipeline (62),
a delivery pump (7) is mounted on the second circulating pipeline (62), the power device (2) is positioned on the front side of the radiator (3), the radiator (3) is positioned at the rear end of the box body (1), and a heat exhaust opening (11) is formed in an end plate at the rear end of the box body (1);
the water cooling pipeline is a water cooling pipe (41) arranged on the surface of the water cooling plate (4), and the water cooling pipe (41) is arranged in a snake shape from bottom to top;
the water cooling pipe (41) is provided with a horizontal first pipe section (41a) and a vertical second pipe section (41 b);
the number of the first pipe sections (41a) is even, and every two first pipe sections are mutually attached to form a pipe group (A); the adjacent tube groups (A) are spaced apart from each other and connected to each other by a second tube section (41b) to form a guide groove having an open front side.
2. The frequency converter water-cooling heat dissipation structure of claim 1, wherein a cooling space (8) is provided between the power device (2) and the heat sink (3).
3. The frequency converter water-cooling heat dissipation structure of claim 1, wherein the water-cooling plate (4) is located on a side wall of one side of the power device (2).
4. The frequency converter water-cooling heat dissipation structure of claim 1, wherein the first circulation pipeline (61) is connected to the top end of the water-cooling pipe (41), and the second circulation pipeline (62) is connected to the bottom end of the water-cooling pipe (41).
5. The frequency converter water-cooling heat dissipation structure of claim 1, wherein the water inlet (31) is disposed at the top end of the heat sink (3), and the water outlet (32) is disposed at the bottom end of the heat sink (3).
6. The frequency converter water-cooling heat dissipation structure of claim 1, wherein a plurality of water-cooling plates (4) are connected in series between the first circulation pipeline (61) and the second circulation pipeline (62), the water-cooling tubes (41) of adjacent water-cooling plates (4) are connected through a connecting pipe (9), and both ends of the connecting pipe (9) are connected to the rear ends of the tube groups (A) of the corresponding water-cooling tubes (41).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922112252.4U CN210780514U (en) | 2019-11-29 | 2019-11-29 | Water-cooling heat dissipation structure of frequency converter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922112252.4U CN210780514U (en) | 2019-11-29 | 2019-11-29 | Water-cooling heat dissipation structure of frequency converter |
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| CN210780514U true CN210780514U (en) | 2020-06-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367820A (en) * | 2020-11-30 | 2021-02-12 | 重庆电子工程职业学院 | Generator data transmission device and method based on industrial Internet of things |
| CN113844779A (en) * | 2021-10-13 | 2021-12-28 | 杭州中欣晶圆半导体股份有限公司 | Device for effectively reducing ammonia water volatilization in SC1 and operation method |
| CN117881170A (en) * | 2024-03-13 | 2024-04-12 | 东莞市隆慧电子科技有限公司 | Water-cooling radiator of frequency converter |
-
2019
- 2019-11-29 CN CN201922112252.4U patent/CN210780514U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367820A (en) * | 2020-11-30 | 2021-02-12 | 重庆电子工程职业学院 | Generator data transmission device and method based on industrial Internet of things |
| CN112367820B (en) * | 2020-11-30 | 2022-07-22 | 重庆电子工程职业学院 | Generator data transmission device and method based on industrial Internet of things |
| CN113844779A (en) * | 2021-10-13 | 2021-12-28 | 杭州中欣晶圆半导体股份有限公司 | Device for effectively reducing ammonia water volatilization in SC1 and operation method |
| CN117881170A (en) * | 2024-03-13 | 2024-04-12 | 东莞市隆慧电子科技有限公司 | Water-cooling radiator of frequency converter |
| CN117881170B (en) * | 2024-03-13 | 2024-06-04 | 东莞市隆慧电子科技有限公司 | Water-cooling radiator of frequency converter |
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