CN213938680U

CN213938680U - Heat dissipation device and electronic equipment

Info

Publication number: CN213938680U
Application number: CN202022929799.6U
Authority: CN
Inventors: 谭治国
Original assignee: Shenzhen Invt Electric Co Ltd
Current assignee: Shenzhen Invt Electric Co Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-10
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a heat abstractor and electronic equipment relates to radiator technical field, and its heat abstractor uses with the cooperation of power device, include: the cooling structure comprises a case, a water-cooling heat dissipation structure and an air-cooling heat dissipation structure; a partition board is arranged in the case to divide the case into a first case body and a second case body; the water cooling heat dissipation structure comprises a water cooling plate, and the water cooling plate is arranged in the second box body and fixed on the partition plate; the power device is arranged in the first box body, fixed on the partition plate and attached to the water cooling plate through the hollow structure; the air-cooled heat dissipation structure comprises a fan assembly arranged at the top end of the case. The utility model provides a heat abstractor's radiating effect just dwindles the heat abstractor complete machine size, reducees the assembly degree of difficulty.

Description

Heat dissipation device and electronic equipment

Technical Field

The utility model relates to a radiator technical field specifically relates to a heat abstractor and electronic equipment.

Background

High-power electronic components in electronic equipment such as frequency converters generate a large amount of heat during operation, and if the heat cannot be effectively dissipated, the temperature rise seriously affects the normal operation of the electronic components.

The related art heat dissipation structure has disadvantages: 1. the radiator has overlarge volume and is troublesome to assemble; 2. the heat sink is continuously enlarged as the power increases; 3. along with the rise of power, the loss also becomes larger, besides the radiator becomes larger, the air inlet and outlet area also becomes larger, so that the volume of the whole machine becomes larger, and finally a series of cost rises are caused, such as the cost of a chassis, a cabinet and an installation site becomes larger, and the cost of transportation and the like rises.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat abstractor and electronic equipment aims at solving the radiator volume among the electronic equipment such as current converter too big, the assembly is more troublesome and complete machine volume grow scheduling problem.

In order to solve the technical problem, the utility model provides a heat abstractor uses with the power device cooperation, and it includes: the cooling structure comprises a case, a water-cooling heat dissipation structure and an air-cooling heat dissipation structure; a partition board is arranged in the case and divides the case into a first case body and a second case body; the water-cooling heat dissipation structure comprises a water-cooling plate, the water-cooling plate is arranged in the second box body, and the power device is fixed on the partition plate and is attached to the water-cooling plate through the hollow structure; the air-cooled heat dissipation structure comprises a fan assembly arranged at the top end of the case.

In a further scheme, two slideways are arranged on the side plate of the second box body, and the water cooling plate slides into the slideways through the top of the second box body and is fixed on the partition plate.

In a further scheme, a water inlet channel and a water outlet channel are arranged in the water cooling plate, and a water inlet end and a water outlet end are arranged at the bottom of the second box body; the water inlet of the water inlet channel is communicated with the water inlet end through an extended water inlet pipe, and the water outlet of the water outlet channel is communicated with the water outlet end through an extended water outlet pipe.

In a further scheme, the water-cooling heat dissipation structure still includes a drainage box, drainage box locates just be located in the second box the water-cooling plate is close to chassis bottom's one end, drainage box perpendicular to the direction of baffle sets up in order to collect the condensate water that the water-cooling plate produced, drainage box through a drain pipe with locate the drainage end of second bottom of the case is linked together.

In a further scheme, water baffles are respectively arranged on the outer sides of the water inlet extension pipe and the water outlet extension pipe, and the water baffles are fixed on the partition plate and used for shielding the water inlet extension pipe and the water outlet extension pipe.

In a further aspect, the fan assembly includes a first fan assembly and a second fan assembly; the first fan assembly comprises a plurality of first fans and a protective cover, the first fans are arranged at the top of the first box body side by side, the protective cover is arranged above the first fans, and a first air channel is formed in the first box body; the second fan assembly comprises a plurality of second fans, the second fans are arranged on the top of the second box body side by side, and a second air channel is formed in the second box body.

The utility model also provides an electronic equipment, including power device, it is right still to include power device carries out radiating heat abstractor, heat abstractor is as above heat abstractor.

In a further aspect, the electronic device further includes a capacitor assembly, the capacitor assembly is disposed in the second box and fixed to the partition, the capacitor assembly is electrically connected to the power device, and the capacitor assembly is located between the water-cooling plate and the bottom end of the case.

In a further aspect, the capacitor assembly includes a plurality of rows of capacitors, a plurality of gaps are formed among the plurality of rows of capacitors, and the water inlet extension pipe, the water outlet extension pipe and the water discharge pipe are respectively disposed in different gaps of the plurality of gaps.

In a further scheme, the electronic equipment further comprises a power panel, a control panel, a drive board and a contactor which are arranged in the first box body, the power panel is located on one side, close to the top of the case, of the power device, the control panel is located on one side, away from the partition board, of the power device, the power panel and the control panel are fixed on the partition board, the drive board is located on one side, away from the partition board, of the power panel and fixed on the case, and the contactor is located on one side, away from the side wall of the case, of the power device and fixed on the partition board.

In a further scheme, a first door plate and a second door plate are arranged on one side, opposite to the partition plate, of the first box body, the first door plate is arranged at a position corresponding to the power supply plate, the driving plate, the control plate, the contactor and the power device, and the second door plate is arranged at a position corresponding to the capacitor assembly; and a control panel is arranged on the first door panel so as to control the electronic equipment.

Compared with the prior art, the utility model provides a heat abstractor divides the quick-witted case into first box and second box through the baffle, when realizing the different protection levels of two boxes, sets up the water-cooling board and carries out the water-cooling heat dissipation to power device, and it realizes carrying out the forced air cooling heat dissipation respectively to two boxes simultaneously, and water-cooling and forced air cooling combination carries out radiating mode, promotes heat abstractor's radiating effect and dwindles the heat abstractor complete machine size, lowers the assembly degree of difficulty.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a perspective view of an electronic device according to the present invention;

fig. 2 is another perspective view of the electronic device of the present invention;

fig. 3 is a side view of the electronic device of the present invention, which shows the structural layout of the power supply board and the power devices in the first box;

fig. 4 is an internal structural schematic diagram of the electronic device of the present invention, which shows a structural layout of the drive board and the copper bar assembly in the first box;

fig. 5 is another schematic internal structure diagram of the electronic device of the present invention;

fig. 6 is an exploded view of the electronic device of the present invention;

fig. 7 is an installation diagram of the water-cooling plate of the electronic device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention. Further, in the drawings, structures that are similar or identical are denoted by the same reference numerals.

Referring to fig. 1 to fig. 3 and fig. 6, which show schematic structural diagrams of an electronic device 100 according to the present invention, in the embodiment, the electronic device 100 is a frequency converter. As shown in fig. 1 to 4, the electronic device 100 of the present invention includes a power device 20, and the heat dissipation device cooperates with the power device 20 to dissipate heat of the power device 20. Wherein heat abstractor includes: the heat dissipation device comprises a case 10, a water cooling heat dissipation structure and an air cooling heat dissipation structure. In this embodiment, the housing of the chassis 10 is made of a metal plate, a partition 11 is disposed in the chassis 10, and the partition 11 divides the chassis 10 into a first box 12 and a second box 13; the water-cooling heat dissipation structure comprises a water-cooling plate 41, the water-cooling plate 41 is arranged in the second box body 13 and is fixed on the partition plate 11, and a hollow structure 111 is arranged on the partition plate 11 at a position corresponding to the water-cooling plate 41; the power device 20 is arranged in the first box 12, the power device 20 comprises an IGBT module 21 and a rectifier module 22, the IGBT module 21 and the rectifier module 22 are fixed on the partition plate 11 and the water cooling plate 41 through screws and are attached to the water cooling plate 41 through the hollow structure 111, so that the water cooling and heat dissipation effects are enhanced; the air-cooled heat dissipation structure comprises a fan assembly arranged at the top end of the case so as to perform air-cooled heat dissipation on equipment arranged in the case 10.

The utility model provides a heat abstractor divides the quick-witted case into first box and second box through the baffle, when realizing the different protection levels of two boxes, sets up the water-cooling board and carries out the water-cooling heat dissipation to power device, and it realizes carrying out the forced air cooling heat dissipation respectively to two boxes simultaneously, and the water-cooling and forced air cooling combination carries out radiating mode, promotes heat abstractor's radiating effect and reduces the heat abstractor complete machine size, lowers the assembly degree of difficulty.

In this embodiment, as shown in fig. 3 to 4, the electronic device 100 further includes a capacitor assembly 30, the capacitor assembly 30 is disposed in the second housing 13, and penetrates through the hollow structure 111 on the partition 11 and is fixed on the partition 11, and the capacitor assembly 30 is electrically connected to the power device 20; the capacitor assembly 30 is located below the water cooling plate 41 to lower the center of gravity of the device and improve the stability of the device.

In this embodiment, two slide rails 131 are provided on the side plates of the second casing 13, and the water-cooling plate 41 slides into the slide rails 131 through the top of the second casing 13 and is fixed to the partition 11 by screws. Specifically, as shown in fig. 6 and 7, it is slid into the slide 131 in the direction of the arrow in the drawing to achieve quick installation. Based on the design of this structure, conveniently install water cooling plate 41 and improve the compactness of structure.

As shown in fig. 4 and 6, a water inlet channel and a water outlet channel are arranged in the water cooling plate 41, a water inlet 411 and a water outlet 412 are arranged at the bottom of the water cooling plate 41, the water inlet channel is communicated with the water outlet channel and is respectively communicated with the water inlet 411 and the water outlet 412, a water inlet end 132 and a water outlet end 133 are arranged at the bottom of the second box 13, the water inlet 411 of the water inlet channel is communicated with the water inlet end 132 through an extension water inlet pipe, and the water outlet 412 of the water outlet channel is communicated with the water outlet end 133 through an extension water outlet pipe. When the external cooling fluid flows into the water-cooling plate 41 through the water inlet end 132, and flows in the water-cooling plate 41 in a circulating manner and then flows out from the water outlet end 133, the water-cooling plate 41 takes away the heat generated by the power device 20 to perform water-cooling heat dissipation on the power device 20. In addition, because the water inlet 411 and the water outlet 412 are arranged at the bottom of the water cooling plate 41, the water inlet end 132 and the water outlet end 133 are both arranged at the bottom of the second box body 13, and the cooling liquid is input into or output from the water cooling plate 41 in a downward-in and downward-out mode, the size of the surrounding space occupied by the whole machine can be reduced, the cabinet is more convenient to form, and the cooling liquid in the water cooling plate 41 can be drained in winter, so that the water cooling plate 41 is better protected. The water cooling plate 41 is used for dissipating heat of the power device 20, and the technical problem that the electronic equipment 100 is difficult to assemble due to large size of a radiator when the radiator is used for dissipating heat is solved.

As shown in fig. 4, the water-cooling heat dissipation structure further includes a drainage box 42, the drainage box 42 is disposed in the second box 13 and located at one end of the water-cooling plate 41 close to the bottom of the case 10, the drainage box 42 is disposed perpendicular to the direction of the partition 11, the drainage box 42 is fixed on the partition 11 or fixed on the side wall of the case 10, an opening is recessed in a surface of the drainage box 42 close to the water-cooling plate 41, a width of the opening is greater than or equal to a thickness of the water-cooling plate 41 in the direction perpendicular to the partition 11, the drainage box 42 is configured to collect condensed water generated by a temperature difference between cold and hot temperatures at the water-cooling plate 41, a drainage port is disposed at a bottom side of the drainage box 42, and the drainage port is communicated with the drainage end 134 disposed at the bottom of the second box 13 through a drainage pipe 422, so that the condensed water flows out from the drainage pipe 422.

In this embodiment, as shown in fig. 4, the capacitor assembly 30 includes a plurality of rows of capacitors, a plurality of gaps are formed between the plurality of rows of capacitors, the water inlet extension pipe, the water outlet extension pipe and the water outlet pipe 422 are respectively disposed in different gaps of the plurality of gaps formed by the plurality of rows of capacitors in the second box 13, the water inlet extension pipe and the water outlet extension pipe are respectively provided with a water baffle 43 on the outer side, the water baffle 43 is fixed on the partition plate 11 for shielding the water inlet extension pipe and the water outlet extension pipe, and thus the stability of the electrical connection between the capacitor assembly 30 and the power device 20, which is influenced by the dropping of the condensed water into the capacitor assembly 30, is avoided.

In this embodiment, as shown in fig. 5 to 6, the fan assembly includes a first fan assembly 51 and a second fan assembly 52, the first fan assembly 51 includes a plurality of first fans and a protective cover 512, the plurality of first fans are disposed on the top of the first box 12 side by side, and the protective cover 512 is disposed on the plurality of first fans; the second fan assembly 52 includes a plurality of second fans, the plurality of second fans are disposed at the top of the second box 13 side by side, the bottom of the first box 12 is provided with a plurality of mounting holes 127, the mounting holes 127 are used for allowing air to enter while passing through a wire electrically connected to the electronic device 100, the bottom of the second box 13 and the region of the sidewall where the capacitor assembly 30 is disposed are provided with a plurality of air inlet holes 135, when the plurality of first fans and the plurality of second fans operate, a first air channel is formed in the first box 12, and a second air channel is formed in the second box 13 for air cooling and heat dissipation. The top end of the first box 12 is provided with a top plate 128, the top plate 128 is provided with an opening for placing the first fan assembly 51, the first fan assembly 51 penetrates through the opening and is fixed on the top plate 128, a protective cover 512 provided with an air outlet 513 covers the first fan assembly 51 and is fixed on the top plate 128, and the protective grade of the first box 12 is improved by arranging the protective cover 512 to cover the first fan assembly 51.

In the present embodiment, as shown in fig. 4 to 6, the electronic device 100 further includes a power board 121, a driving board 122, a control board 123, and a contactor 1231, and the power board 121, the driving board 122, the control board 123, and the contactor 1231 are all disposed in the first casing 12. In this embodiment, the power board 121 is located on one side of the power device 20 close to the top of the chassis 10, the control board 123 is located on one side of the power device 20 away from the partition 10, the power board 121 and the control board 123 are fixed on the partition 11, an area of the partition 11 for fixing the power board 121 is a hollow structure 111, the driving board 122 is located on one side of the power board 121 away from the partition 11 and fixed on a side wall of the chassis 10, the contactor 1231 is located on one side of the power device 20 away from the side wall of the chassis 10 and fixed on the partition 11, and the contactor 1231 is electrically connected with the power device 20 and the power board 121 to control the magnitude of the main loop current. Based on the design of this structure, power device 20, electric capacity subassembly 30 and contactor 1231 are convenient for carry out the electricity through copper bar subassembly 129 and are connected, power strip 121, drive plate 122, be convenient for carry out the electricity through the wire between control panel 123 and the contactor 1231 and connect, reduce the line length of walking of major loop, the compactness of structure has been promoted, power strip 121, drive plate 122 and contactor 1231 all locate one side that power device 20 is close to quick-witted case 10 top and damage in order to avoid the comdenstion water to instil into when being convenient for radiating, the security of support equipment. It is to be understood that the installation positions of the power board 121, the driving board 122, the control board 123 and the contactor 1231 in the electronic device 100 may be other positions in the case of facilitating the electrical connection and avoiding the dropping of the condensed water, which is not limited herein.

In the present embodiment, as shown in fig. 6, a first door panel 124 and a second door panel 125 are disposed on a side of the first casing 12 opposite to the partition 11, the first door panel 124 is disposed at a position corresponding to the power supply board 121, the driving board 122, the control board 123, the contactor 1231 and the power device 20, and the control panel 126 engaged with the control board 123 is disposed on the first door panel 124 for operating the electronic apparatus 100. The second door panel 125 is provided at a position corresponding to the capacitor assembly 30 when the first door panel 124 is opened so that the power supply board 121, the driving board 122, the control board 123, and the power device 20 are assembled and serviced, and when the second door panel 125 is opened so that the capacitor assembly 30 is assembled and serviced.

Compared with the prior art, the utility model provides a heat abstractor, owing to be used for settling the power strip to quick-witted incasement, a drive plate, the control panel, power device and capacitor assembly protection grade require the difference, divide the machine case into through the baffle and be used for settling the power strip, a drive plate, the first box of control panel and power device and the second box that is used for settling capacitor assembly, the protection grade requirement of first box is higher, when realizing the different protection grade of two boxes, it carries out water-cooling heat dissipation to power device to set up the water-cooling board, realize carrying out the forced air cooling heat dissipation respectively to two boxes simultaneously, water-cooling and forced air cooling make up and carry out radiating mode, promote heat abstractor's radiating effect and reduce the heat abstractor complete machine size, reduce the assembly degree of difficulty.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A heat sink for use with a power device, the heat sink comprising: the cooling structure comprises a case, a water-cooling heat dissipation structure and an air-cooling heat dissipation structure;

a partition board is arranged in the case and divides the case into a first case body and a second case body;

the water-cooling heat dissipation structure comprises a water-cooling plate, the water-cooling plate is arranged in the second box body and fixed on the partition plate, a hollow structure is arranged at a position, corresponding to the water-cooling plate, on the partition plate, the power device is arranged in the first box body, and the power device is fixed on the partition plate and is attached to the water-cooling plate through the hollow structure;

the air-cooled heat dissipation structure comprises a fan assembly arranged at the top end of the case.

2. The heat dissipating device of claim 1, wherein: and two slideways are arranged on the side plate of the second box body, and the water cooling plate slides into the slideways through the top of the second box body and is fixed on the partition plate.

3. The heat dissipating device of claim 1, wherein: a water inlet channel and a water outlet channel are arranged in the water cooling plate, and a water inlet end and a water outlet end are arranged at the bottom of the second box body; the water inlet of the water inlet channel is communicated with the water inlet end through an extended water inlet pipe, and the water outlet of the water outlet channel is communicated with the water outlet end through an extended water outlet pipe.

4. The heat dissipating device of claim 2, wherein: the water-cooling heat dissipation structure further comprises a water drainage box, the water drainage box is arranged in the second box and is located the water cooling plate is close to one end of the bottom of the case, the water drainage box is perpendicular to the direction of the partition plate is arranged to collect condensed water generated by the water cooling plate, and the water drainage box is communicated with the water drainage end of the second bottom of the case through a water drainage pipe.

5. The heat dissipating device of claim 3, wherein: the water inlet extension pipe and the water outlet extension pipe are respectively provided with a water baffle outside and fixed on the partition board for shielding the water inlet extension pipe and the water outlet extension pipe.

6. The heat dissipating device of claim 5, wherein: the fan assembly comprises a first fan assembly and a second fan assembly;

the first fan assembly comprises a plurality of first fans and a protective cover, the first fans are arranged at the top of the first box body side by side, the protective cover is arranged above the first fans, and a first air channel is formed in the first box body;

the second fan assembly comprises a plurality of second fans, the second fans are arranged on the top of the second box body side by side, and a second air channel is formed in the second box body.

7. An electronic device comprising a power device, characterized by further comprising a heat dissipation device for dissipating heat of the power device, wherein the heat dissipation device is the heat dissipation device according to any one of claims 1 to 6.

8. The electronic device of claim 7, wherein: the electronic equipment further comprises a capacitor assembly, the capacitor assembly is arranged in the second box body and fixed on the partition plate, the capacitor assembly is electrically connected with the power device, and the capacitor assembly is located between the water cooling plate and the bottom end of the case.

9. The electronic device of claim 8, wherein: electronic equipment is still including locating power strip, control panel, drive plate and contactor in the first box, the power strip is located power device is close to one side of machine roof portion, the control panel is located power device keeps away from one side of baffle, the power strip and the control panel is fixed in on the baffle, the drive plate is located the power strip is kept away from one side of baffle and is fixed in on the machine case, the contactor is located power device keeps away from one side of machine case lateral wall and is fixed in on the baffle.

10. The electronic device of claim 9, wherein:

a first door plate and a second door plate are arranged on one side, opposite to the partition plate, of the first box body, the first door plate is arranged at a position corresponding to the power supply plate, the driving plate, the control plate, the contactor and the power device, and the second door plate is arranged at a position corresponding to the capacitor assembly;

and a control panel is arranged on the first door panel so as to control the electronic equipment.