CN111642111B

CN111642111B - Bidirectional spiral runner water-cooling heat dissipation device

Info

Publication number: CN111642111B
Application number: CN202010510814.5A
Authority: CN
Inventors: 戴晨光
Original assignee: Wuxi Lianyi Locomotive Accessories Manufacturing Co ltd
Current assignee: Wuxi Lianyi Locomotive Accessories Manufacturing Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-23
Anticipated expiration: 2040-06-08
Also published as: CN111642111A

Abstract

The invention relates to a bidirectional spiral runner water-cooling heat dissipation device, which comprises a cooling main board, a runner and a cover board, wherein an auxiliary cooling board is fixedly connected onto the cover board, a containing cavity is arranged in the auxiliary cooling board, the containing cavity is arranged in a direction parallel to the cooling main board, saltpeter is placed in the containing cavity, an electromagnetic valve for plugging a water outlet and a blocking plate for plugging a feeding port are arranged on the auxiliary cooling board, a pushing block is connected into the containing cavity in a sliding manner, a driving device for driving the pushing block to move is arranged on the auxiliary cooling board, a baffle plate for covering a through groove is connected onto the auxiliary cooling board in a sliding manner, a first pushing cylinder for pushing the baffle plate to move is fixedly connected onto the auxiliary cooling board, a temperature sensor is fixedly connected into the containing cavity, and a controller for controlling the driving device and driving the first pushing cylinder is fixedly connected onto the, the temperature controller is electrically connected with the controller. The invention has the function of improving the heat dissipation effect of the heat dissipation device.

Description

Bidirectional spiral runner water-cooling heat dissipation device

Technical Field

The invention relates to the technical field of water-cooling heat dissipation devices, in particular to a bidirectional spiral runner water-cooling heat dissipation device.

Background

At present, power devices such as IGBT, power diode, power resistor, SiC-IGBT and the like are widely applied to industries such as wind power, solar energy, rail transit, automobiles and the like. Particularly in the rail transit industry, due to the rapid development of the high-power alternating-current transmission technology, the high-power device is increasingly widely applied, and the heat dissipation problem is increasingly prominent. The water-cooling heat dissipation device can solve the heat dissipation problem of power devices with power consumption of 10kW and above, and is widely applied to the rail transit industry. The existing water-cooling heat dissipation device is a substrate with a water flow channel arranged inside, lateral edges on two sides of the substrate are provided with water connectors which are communicated with the water flow channel and are parallel to the surface of the substrate, and the surface of the substrate is provided with a power device for heat dissipation of the power device.

At present, chinese patent with publication number CN107396600A discloses a bidirectional spiral flow channel water-cooling heat dissipation device, which comprises a cooling main board, a brazing plate, and a cover plate; the cooling main board is provided with a bidirectional spiral flow channel which is centrosymmetric and the symmetric center of which is smoothly communicated, the cover plate is provided with two water connectors which are vertical to the surface of the cover plate, and the water connectors are respectively communicated with two ends of the flow channel; the cover plate and the cooling main plate are provided with a plurality of mounting threaded holes. The heat dissipation device can solve the problem that the heat dissipation of the heat dissipation device is uneven.

The heat dissipation of the heat dissipation device is mainly realized by the heat transfer between the condensed water in the flow channel and an external object, however, the temperature of the condensed water is continuously increased along with the continuous flow of the condensed water in the flow channel, the temperature difference between the corresponding condensed water and the external object is reduced, and the heat dissipation effect of the heat dissipation device is also reduced; meanwhile, the actually used cooling water is usually river water or sea water, the normal temperature of the river water and the sea water is 20 ℃, although the temperature is lower, the temperature is still higher compared with that of ice or other substances with lower temperature, and the cooling effect on the substances needing to be cooled is poorer, so that the heat dissipation effect of the heat dissipation device still needs to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a bidirectional spiral flow channel water-cooling heat dissipation device which has the function of improving the heat dissipation effect of the heat dissipation device.

The technical purpose of the invention is realized by the following technical scheme:

a bidirectional spiral runner water-cooling heat dissipation device comprises a cooling main board, a runner and a cover board, wherein the runner and the cover board are arranged on the cooling main board, an auxiliary cooling board is fixedly connected onto the cover board and arranged in a direction parallel to the cooling main board, a containing cavity is formed in the auxiliary cooling board and arranged in a direction parallel to the cooling main board, saltpeter is placed in the containing cavity, a through groove communicated with the containing cavity is formed in the side wall of the auxiliary cooling board, a water inlet and a water outlet communicated with the containing cavity are formed in the auxiliary cooling board, a feeding port used for feeding saltpeter is formed in the side wall of the auxiliary cooling board, an electromagnetic valve used for plugging the water outlet and a baffle used for plugging the feeding port are arranged on the auxiliary cooling board, a pushing block is connected into the containing cavity in a sliding mode and can slide into the through groove, be provided with on the supplementary cooling plate and be used for the drive to promote the drive arrangement that the piece removed, sliding connection has the baffle that is used for hiding logical groove on the supplementary cooling plate, fixedly connected with is used for promoting the push cylinder one that the baffle removed on the supplementary cooling plate, hold fixedly connected with temperature sensor in the cavity, fixedly connected with is used for controlling drive arrangement, a push cylinder driven controller on the supplementary cooling plate, temperature controller and controller electric connection.

By adopting the technical scheme, in the process of circulating cooling water in the cooling main board, the containing cavity in the auxiliary cooling board is drained through the external water pipe, the saltpeter is continuously filled into the containing cavity, the saltpeter is gradually dissolved in the water, and a large amount of heat is absorbed and even ice slag and ice cubes can be generated, so that the cooling water in the cooling main board can be cooled, the cooling effect of the cooling main board is favorably improved, the temperature in the containing cavity is continuously increased along with the heat transfer between the cooling main board and the auxiliary cooling board, when the temperature of the containing cavity is increased to a certain degree, the temperature sensor transmits a signal to the controller, the controller firstly drives the baffle to move so that the baffle is separated from the blockage of the through groove, then the driving device is controlled to drive the pushing block to move, the water, the ice slag and the saltpeter in the containing cavity are simultaneously pushed out of the containing cavity, and the influence on the cooling effect of the cooling main board caused by the, this kind of setting can utilize auxiliary cooling plate to cool down the cooling water in the cooling mainboard, can utilize auxiliary cooling plate to reduce the air temperature around the cooling mainboard simultaneously to improve heat abstractor's radiating effect.

The present invention in a preferred example may be further configured to: fixedly connected with connects the piece on the auxiliary cooling board, it is located the below of auxiliary cooling board to connect the piece, it holds the chamber to have seted up on the piece to hold, the accent that holds the chamber is located the below that leads to the groove.

Through adopting above-mentioned technical scheme, the setting of accepting the piece can accept water, ice sediment, ice-cube in the auxiliary cooling board, is favorable to protecting the environment of cooling mainboard side, simultaneously, after ice sediment, ice-cube dissolve, the nitre can appear once more, accepts the piece and is favorable to retrieving the nitre, is favorable to carrying out reuse, resources are saved to the nitre.

The present invention in a preferred example may be further configured to: and the inner wall of the accommodating cavity is fixedly connected with a heat insulation plate.

Through adopting above-mentioned technical scheme, the heat insulating board be provided with do benefit to and weaken the heat transfer that holds the piece and external environment, be favorable to keeping low temperature environment around the whole cooling mainboard, be favorable to maintaining the cooling effect of cooling the mainboard.

The present invention in a preferred example may be further configured to: drive arrangement is including rotating threaded rod, threaded connection in the nut seat of threaded rod on connecting in the auxiliary cooling board, the threaded rod sets up along the face direction that is on a parallel with the auxiliary cooling board, nut seat fixed connection is in promoting the piece, fixedly connected with is used for driving threaded rod pivoted small motor on the auxiliary cooling board, controller and small motor electric connection.

Through adopting above-mentioned technical scheme, when temperature sensor passed to the controller with the signal of telecommunication, the controller started the small-size motor, and the small-size motor drives the threaded rod and rotates, and when the threaded rod rotated, the nut seat slided along the length direction of threaded rod to drive and promote the piece and remove.

The present invention in a preferred example may be further configured to: the driving device comprises a second pushing cylinder fixedly connected to the auxiliary cooling plate, the second pushing cylinder is arranged along the direction parallel to the surface direction of the auxiliary cooling plate, a piston rod of the second pushing cylinder is fixedly connected to the pushing block, and the controller is electrically connected with the second pushing cylinder.

Through adopting above-mentioned technical scheme, when temperature sensor passed to the controller with the signal of telecommunication, the operation of second cylinder of controller control promotion utilizes two pairs of promotion pieces that promote of promotion cylinder to promote.

The present invention in a preferred example may be further configured to: fixedly connected with guide block on the lateral wall that promotes the piece, set up on the inner chamber lateral wall that holds the cavity and be used for the gliding guide way of guide block.

Through adopting above-mentioned technical scheme, the cooperation of guide block and guide way is favorable to improving the stability that promotes the piece and remove, is favorable to promoting the piece and promotes more thoroughly to the material that holds in the cavity, and the reduction holds the impurity residue in the cavity.

The present invention in a preferred example may be further configured to: an observation window is formed in the mouth blocking plate, and observation glass is fixedly connected to the observation window.

Through adopting above-mentioned technical scheme, the setting up of observation window is convenient for the user to holding the cavity and observing, is favorable to the condition that the niter dissolves the cooling in the auxiliary cooling board of real-time observation, and the user of being convenient for selects the quantity of niter.

The present invention in a preferred example may be further configured to: fixedly connected with cushion on the baffle, the laminating of cushion and the cell wall that leads to the groove is contradicted.

Through adopting above-mentioned technical scheme, the cushion can improve the baffle and lead to the leakproofness between the groove, is favorable to improving the baffle to the shutoff effect of leading to the groove notch, avoids holding the water seepage in the cavity.

In summary, the invention includes at least one of the following beneficial technical effects:

1. through the arrangement of the auxiliary cooling plate and the saltpeter, cooling water in the cooling main board can be cooled, meanwhile, the auxiliary cooling plate can be used for reducing the air temperature around the cooling main board, and the heat dissipation effect of the heat dissipation device is improved;

2. through the setting of the bearing block, the environment of the side edge of the cooling main board can be protected, and the saltpeter can be recovered, so that the saltpeter can be recycled, and resources are saved.

Drawings

FIG. 1 is a schematic sectional view of a main cooling plate of embodiment 1;

fig. 2 is a schematic view of the overall structure for embodying the heat dissipating device in embodiment 1;

FIG. 3 is a schematic view of an enlarged view at A of FIG. 2;

FIG. 4 is a schematic view showing a cross-sectional view of an auxiliary cooling plate used in embodiment 1;

fig. 5 is a schematic view of the overall structure for embodying the heat dissipating device in embodiment 2;

fig. 6 is a schematic cross-sectional view for embodying the heat dissipating apparatus in embodiment 2.

In the figure, 1, cooling the main plate; 2. a flow channel; 3. a cover plate; 4. an auxiliary cooling plate; 5. a bearing block; 6. a containing cavity; 7. saltpeter; 8. a through groove; 9. a water inlet; 10. a water outlet; 11. an electromagnetic valve; 12. a throwing port; 13. a mouth guard; 14. an observation window; 15. observing glass; 16. a baffle plate; 17. a first pushing cylinder; 18. an elastic pad; 19. a pushing block; 20. a guide block; 21. a guide groove; 22. a drive device; 221. a threaded rod; 222. a nut seat; 223. a second pushing cylinder; 23. a small-sized motor; 24. a temperature sensor; 25. an accommodating chamber; 26. a heat insulation plate; 27. and a controller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 2, the bidirectional spiral flow channel water-cooling heat dissipation device disclosed by the invention comprises a cooling main board 1, a flow channel 2 (refer to fig. 1) arranged on the cooling main board 1, and a cover plate 3 arranged on the cooling main board 1, wherein an auxiliary cooling plate 4 for improving the cooling effect of a main cooling plate is fixedly connected to the side wall of the cover plate 3.

Referring to fig. 2 and 3, the auxiliary cooling plate 4 is provided in a rectangular parallelepiped shape and is disposed in a direction parallel to the cooling main plate 1. Fixedly connected with accepts piece 5 on auxiliary cooling plate 4, accepts piece 5 and is the setting of cuboid and is located auxiliary cooling plate 4's below.

Referring to fig. 4, set up in the auxiliary cooling board 4 and hold cavity 6, hold cavity 6 and be the cuboid setting, should hold and to have placed niter 7 in the cavity 6. Supplementary cooling plate 4 is seted up and is held logical groove 8 that cavity 6 link up towards on the lateral wall of piece 5, and the notch that leads to groove 8 is the cuboid setting and sets up along the length direction of supplementary cooling plate 4.

Referring to fig. 4, a water inlet 9 and a water outlet 10 which are communicated with the containing cavity 6 are formed in the upper side wall of the auxiliary cooling plate 4, the water inlet 9 and the water outlet 10 are both arranged in a circular shape, and an electromagnetic valve 11 for plugging the water outlet 10 is arranged on the auxiliary cooling plate 4.

Referring to fig. 2 and 3, a putting-in opening 12 for putting in the saltpeter 7 is formed in the side wall of the auxiliary cooling plate 4, which is back to the cooling main plate 1, the putting-in opening 12 is in a cuboid shape, and a blocking plate 13 for sealing the putting-in opening 12 is connected to the auxiliary cooling plate 4 in a sliding manner.

Referring to fig. 2 and 3, an observation window 14 is formed on the baffle plate 13, an inner cavity of the observation window 14 is rectangular, and an observation glass 15 for covering the observation window 14 is fixedly connected to the baffle plate 13.

Referring to fig. 2 and 3, a baffle 16 for blocking the through groove 8 is slidably connected to the auxiliary cooling plate 4 in the width direction thereof, and the baffle 16 is provided in a rectangular parallelepiped shape. Fixedly connected with on the lateral wall of auxiliary cooling plate 4 promotes cylinder 17, and the piston rod fixed connection of promoting cylinder 17 is in baffle 16, promotes cylinder 17, and promotion cylinder 17 sets up along the face direction of the auxiliary cooling plate 4 of perpendicular to.

Referring to fig. 2 and 3, an elastic pad 18 is fixedly connected to the surface of the baffle 16, and when the baffle 16 slides and covers the through slot 8, the elastic pad 18 abuts against the side wall of the through slot 8.

Referring to fig. 4, the holding cavity 6 is slidably connected with a pushing block 19, and the pushing block 19 is arranged in a cuboid shape and arranged along the direction parallel to the surface of the auxiliary cooling plate 4. The side wall of the pushing block 19 is abutted against the inner side wall of the containing cavity 6. The push block 19 can slide into the through slot 8.

Referring to fig. 4, a guide block 20 is fixedly connected to a side wall of the pushing block 19, and the guide block 20 is rectangular. Offer on the inner wall that holds cavity 6 and be used for the gliding guide way 21 of guide block 20, the inner chamber of guide way 21 is the cuboid setting and link up with the notch that leads to groove 8.

Referring to fig. 4, the auxiliary cooling plate 4 is provided with a driving device 22 for driving the pushing block 19 to move, and the driving device 22 includes a threaded rod 221 rotatably connected to the auxiliary cooling plate 4 and a nut seat 222 threadedly connected to the threaded rod 221. Wherein, the threaded rod 221 is arranged along the direction parallel to the plate surface of the auxiliary cooling plate 4, and the nut seat 222 is fixedly connected with the side wall of the pushing block 19.

Referring to fig. 4, a small motor 23 for driving the threaded rod 221 to rotate is fixedly connected to the auxiliary cooling plate 4, and an output shaft of the small motor 23 is fixedly connected to an end of the threaded rod 221 through a coupling.

Referring to fig. 2 and 3, a temperature sensor 24 is fixedly connected to the auxiliary cooling plate 4, and a probe of the temperature sensor 24 extends into the containing cavity 6. The controller 27 is electrically connected to the small-sized motor 23. Meanwhile, the controller 27 is electrically connected to the first pushing cylinder 17.

Referring to fig. 2 and 3, the bearing block 5 is provided with a containing cavity 25, the inner cavity of the containing cavity 25 is in a cuboid shape, the cavity opening of the containing cavity 25 is located on the side wall of the bearing block 5 facing the through groove 8, and the inner wall of the containing cavity 25 is fixedly connected with a heat insulation plate 26. The object in the containing cavity 6 can slide into the accommodating cavity 25 under the pushing of the pushing block 19.

The specific implementation process comprises the following steps: in the process that cooling water circulates in the cooling main board 1, the containing cavity 6 in the auxiliary cooling board 4 is drained through an external water pipe, the saltpeter 7 is continuously filled into the containing cavity 6, water is temporarily stopped to be filled into the containing cavity 6 after the containing cavity 6 is filled with water, at the moment, the saltpeter 7 is gradually dissolved in the water, the saltpeter 7 absorbs a large amount of heat in the process of gradually dissolving in the water and even can generate ice slag and ice blocks, the cooling water in the cooling main board 1 is cooled through the heat absorption of dissolution of the saltpeter 7, meanwhile, the air temperature around the cooling main board 1 can be reduced by the auxiliary cooling board 4, and a low-temperature environment is kept around the cooling main board 1; along with cooling mainboard 1 and the heat transfer between the auxiliary cooling board 4, hold the temperature in cavity 6 and constantly rise, and simultaneously, along with the temperature that holds in cavity 6 constantly rises, saltpeter 7 is appeared gradually, also can release a large amount of heat in this in-process, when the temperature that holds cavity 6 risees to a certain extent, temperature sensor 24 passes to controller 27 with the signal, controller 27 drives baffle 16 earlier and removes messenger baffle 16 and break away from the shutoff to logical groove 8, control drive arrangement 22 drives promotion piece 19 and removes afterwards, will hold the water in cavity 6, the ice sediment, saltpeter 7 is released simultaneously and is held cavity 6, avoid the temperature of auxiliary cooling board 4 to rise the cooling effect that influences cooling mainboard 1.

Example 2:

referring to fig. 5, a bidirectional spiral flow passage water-cooling heat dissipation device is different from embodiment 1 in that a driving device 22 includes a second pushing cylinder 223 fixedly connected to an auxiliary cooling plate 4. The second pushing cylinder 223 is disposed parallel to the plate surface of the auxiliary cooling plate 4 and above the auxiliary cooling plate 4, an output shaft of the second pushing cylinder 223 is fixedly connected to a side wall of the pushing block 19 (refer to fig. 6), and the controller 27 is electrically connected to the second pushing cylinder 223.

The specific implementation process comprises the following steps: when the temperature sensor 24 transmits an electric signal to the controller 27, the controller 27 controls the operation of the pushing cylinder two 223, and the pushing block 19 is pushed by the pushing cylinder two 223.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a two-way spiral runner water-cooling heat abstractor, includes cooling mainboard (1), sets up runner (2), apron (3) on cooling mainboard (1), its characterized in that: fixedly connected with auxiliary cooling board (4) on apron (3), auxiliary cooling board (4) set up along the direction that is on a parallel with cooling mainboard (1), it holds cavity (6) to open to be equipped with in auxiliary cooling board (4), it sets up along the direction that is on a parallel with cooling mainboard (1) to hold cavity (6), set up on the bottom surface of auxiliary cooling board (4) and hold logical groove (8) that cavity (6) link up, sliding connection has baffle (16) that are used for hiding logical groove (8) on auxiliary cooling board (4), fixedly connected with is used for promoting baffle (16) to remove the promotion cylinder (17) that breaks away from logical groove mouth on auxiliary cooling board (4), it has nitre (7) to hold to have placed in the cavity (6), set up on auxiliary cooling board (4) and hold cavity (6) and link up water inlet (9) and delivery port (10), a throwing opening (12) for throwing the saltpeter (7) is formed in the side wall of the auxiliary cooling plate (4), an electromagnetic valve (11) for plugging a water outlet (10) and a blocking opening plate (13) for plugging the throwing opening (12) are arranged on the auxiliary cooling plate (4), a pushing block (19) is connected in the containing cavity (6) in a sliding mode along the vertical direction, the pushing block (19) is attached to and slides against the inner wall of the containing cavity (6), a guide block (20) is fixedly connected to the side wall of the pushing block (19), a guide groove (21) for sliding the guide block (20) is formed in the side wall of the inner cavity of the containing cavity (6), the pushing block (19) can slide into the through groove (8), the pushing block (19) is attached to the inner wall of the through groove (8) in a sliding mode, a driving device (22) for driving the pushing block (19) to move is arranged on the auxiliary cooling plate (4), hold fixedly connected with temperature sensor (24) in cavity (6), fixedly connected with is used for controlling drive arrangement (22), controller (27) of promotion cylinder (17) operation on auxiliary cooling board (4), temperature sensor (24) and controller (27) electric connection, it is connected with controller (27) electricity to promote cylinder (17), drive arrangement (22) are connected with controller (27) electricity.

2. The water-cooled heat dissipation device with the bidirectional spiral flow channel as recited in claim 1, wherein: fixedly connected with holds joint block (5) on auxiliary cooling board (4), hold joint block (5) and be located the below of auxiliary cooling board (4), it holds chamber (25) to have seted up on joint block (5), the accent that holds chamber (25) is located the below that leads to groove (8).

3. The water-cooled heat dissipation device with the bidirectional spiral flow channel as recited in claim 2, wherein: and a heat insulation plate (26) is fixedly connected to the inner wall of the accommodating cavity (25).

4. The water-cooled heat dissipation device with the bidirectional spiral flow channel as recited in claim 1, wherein: drive arrangement (22) including rotate threaded rod (221), threaded connection in nut seat (222) of threaded rod (221) on auxiliary cooling board (4), threaded rod (221) set up along the face direction that is on a parallel with auxiliary cooling board (4), nut seat (222) fixed connection in promote piece (19), fixedly connected with is used for driving threaded rod (221) pivoted small motor (23) on auxiliary cooling board (4), controller (27) and small motor (23) electric connection.

5. The water-cooled heat dissipation device with the bidirectional spiral flow channel as recited in claim 1, wherein: drive arrangement (22) include two (223) of push cylinder of fixed connection on supplementary cooling plate (4), two (223) of push cylinder set up along the face direction that is on a parallel with supplementary cooling plate (4), the piston rod fixed connection of two (223) of push cylinder promotes piece (19), controller (27) and two (223) electric connection of push cylinder.

6. The water-cooled heat dissipation device with the bidirectional spiral flow channel as recited in claim 1, wherein: an observation window (14) is formed in the mouth blocking plate (13), and observation glass (15) is fixedly connected to the observation window (14).

7. The water-cooled heat dissipation device with the bidirectional spiral flow channel as recited in claim 1, wherein: an elastic pad (18) is fixedly connected to the baffle (16), and the elastic pad (18) is attached to and abutted against the groove wall of the through groove (8).