CN115066168B

CN115066168B - Computer room server rack cooling system

Info

Publication number: CN115066168B
Application number: CN202210995662.1A
Authority: CN
Inventors: 舒小勇
Original assignee: Nantong Huarui Software Technology Co ltd
Current assignee: Nantong Huarui Software Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-01
Anticipated expiration: 2042-08-19
Also published as: CN115066168A

Abstract

The invention discloses a cooling system for a cabinet of a computer room server, which comprises a cabinet body, wherein the inner wall of the cabinet body is horizontally and fixedly connected with a heat insulator, the upper end of the heat insulator is in contact connection with a heat conduction mounting plate, a structural assembly is thermally mounted at the upper end of the heat conduction mounting plate, the upper end of the heat insulator is uniformly provided with a plurality of longitudinal sliding cavities in multiple rows, a plurality of first dry flow channels and a plurality of second dry flow channels are longitudinally arranged in the heat insulator from top to bottom, and the plurality of first dry flow channels and the plurality of sliding cavities are distributed in a staggered manner. The structural component is conducted to the airtight cavity through the heat conduction mounting plate and the heat conduction block, the volume of the airtight cavity is changed to a corresponding degree through the change of the air temperature of the airtight cavity, the sliding plug is pushed to move downwards, and the communication area of the communication groove and the first branch flow channel and the communication area of the communication groove and the second branch flow channel are changed correspondingly, so that the self-adaptive adjustment of the flow rate of cold water is realized, heat dissipation with different strengths is carried out in a targeted manner, and the heat dissipation is uniform.

Description

Computer room server rack cooling system

Technical Field

The invention relates to the technical field of computer servers, in particular to a cooling system for a cabinet of a computer room server.

Background

Servers in a computer room can continuously generate heat in the working process, if heat dissipation is not timely, heat accumulation can be caused, and internal components of the servers run out. In order to ensure the normal work of the server, the traditional technology adopts an air cooling or water cooling mode for heat dissipation, the air cooling mode needs a filter screen for dust filtration, and the filter screen needs to be cleaned at the later stage, but the purity of air entering the cabinet cannot be completely ensured; the water cooling mode conducts heat generated by the server to the heat conducting plate, cold water is introduced into a bent flow channel in the heat conducting plate, the heat conducts to water and is carried away by water, continuous heat dissipation is achieved, dust is prevented from entering the water cooling mode compared with the air cooling mode, however, heat generated by each internal structure of the water cooling mode is different in different working states due to the fact that the server comprises a CPU, a hard disk, a memory, a system and the like, the inner diameter of the flow channel passing through each position cannot be designed according to the heat generated by the internal structure in different working states, heat dissipation of each position is uneven, and therefore improvement is needed.

To this end, we propose a computer room server cabinet cooling system to solve the above problems.

Disclosure of Invention

The present invention is directed to a computer room server cabinet cooling system that solves the problems set forth in the background.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a computer room server rack cooling system, includes the cabinet body, the horizontal fixedly connected with insulator of internal wall of cabinet, the upper end contact of insulator is connected with the heat conduction mounting panel, the structure subassembly is installed to the upper end heat of heat conduction mounting panel, vertical multirow sliding chamber has evenly been seted up to the upper end of insulator, vertically seted up a plurality of first dry runners and a plurality of second dry runner in the insulator from top to bottom, it is a plurality of first dry runner and multirow sliding chamber dislocation distribution, it is a plurality of the correspondence of second dry runner sets up in the below that corresponds row sliding chamber, each the airtight sliding connection of inner bottom end of sliding chamber has the sliding plug, the sliding plug is the first spring of common fixedly connected with of inner bottom end of sliding chamber, the interior top surface of sliding chamber inlays and is equipped with the heat conduction piece with insulator up end parallel and level, form airtight chamber between heat conduction piece and the sliding plug, the inner wall in sliding chamber communicates respectively has first branch runner and second branch runner, and first branch runner and second branch runner all are L shape, first branch runner and second branch runner are equipped with first branch runner, the one end that the sliding chamber was kept away from with first branch runner, second branch runner respectively with first branch runner, second branch runner is equipped with first branch runner, the second branch runner intercommunication of second branch runner, the axis is close to be close to the same water channel, the axis of second branch water channel intercommunication.

Preferably, the left ends of the first main flow channels are communicated with each other and communicated with an inflow pipe, the left ends of the second main flow channels are communicated with each other and communicated with an outflow pipe, and the inflow pipe and the outflow pipe are connected with a water cooling device together.

Preferably, the first main flow channel and the second main flow channel have the same inner diameter, and the inner diameter of the first main flow channel is larger than that of the first branch flow channel.

Preferably, when the gas temperature in the airtight cavity is 25 ℃, the first spring is at the original length, and the communicating groove is located above the first branch flow passage and the second branch flow passage.

Preferably, the inner wall of the sliding cavity is symmetrically and fixedly connected with two limiting blocks, the upper end of one limiting block is embedded with a pressure sensor, and the pressure sensor is in signal connection with a controller; the utility model discloses a heat conduction mounting panel, including the heat conduction mounting panel, the heat conduction mounting panel upper end symmetric connection has two initiative blocks, each wear to be equipped with the threaded rod in the initiative block, set up in the initiative block and supply threaded rod pivoted to lead to the groove, the both ends of threaded rod all with the inner wall fixed connection of the cabinet body, each the right side of initiative block uses the bearing to rotate and is connected with first gear, first gear and threaded rod threaded connection, the upper end fixed mounting of heat conduction mounting panel has the motor, motor and controller electric connection, the coaxial fixedly connected with second gear of output of motor, and the second gear simultaneously with two first gear engagement.

Preferably, the upper end of the heat-conducting mounting plate is provided with a groove in sliding connection with each driving block, and the inner bottom surface of the groove and the lower end of each driving block are fixedly connected with at least one second spring; four kerbs that are the rectangle and distribute are seted up to the lower extreme of heat conduction mounting panel, sliding connection has the installation piece in the kerb, the upper end of installation piece and the interior top end fixedly connected with third spring of kerb, the gyro wheel is installed to one side of installation piece, the gyro wheel groove that at least three groups of confession gyro wheels were placed is seted up to the upper end of heat conduction mounting panel.

Preferably, the third spring has a spring constant greater than that of the second spring.

Compared with the prior art, the invention has the beneficial effects that:

1. the structural component is conducted to the airtight cavity through the heat conduction mounting plate and the heat conduction block, the volume of the airtight cavity is changed to a corresponding degree through the change of the air temperature of the airtight cavity, the sliding plug is pushed to move downwards, and the communication areas of the communication groove, the first branch flow channel and the second branch flow channel are changed correspondingly, so that the self-adaptive adjustment of the flow rate of cold water is realized, heat dissipation with different strengths is performed in a targeted manner, and the heat dissipation is uniform;

2. when the heat dissipation capacity of the current position is insufficient, the air pressure can be sensed through the pressure sensor, the controller drives the second gear through the control motor, the two first gears rotate synchronously, and then displacement is carried out in the process of continuously rotating on the threaded rod, the heat dissipation position is changed, the heat dissipation pressure is reduced, and overheating is avoided.

Drawings

Fig. 1 is a schematic rear perspective structural view of a cooling system for a server cabinet of a computer room according to the present invention;

FIG. 2 is a front sectional view of a cooling system for a rack of a computer room server according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a top sectional view of a cooling system for a rack of a computer room server according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C;

FIG. 7 is a cross-sectional view of the front side of the junction of the thermal insulator and the heat-conducting mounting plate of the cooling system of the computer room server cabinet according to the present invention;

fig. 8 is an enlarged schematic view of the structure at D in fig. 7.

In the figure: the heat-insulating cabinet comprises a cabinet body 1, a heat insulator 2, a sliding cavity 3, a first spring 4, a sliding plug 5, a communicating groove 6, a heat-conducting block 7, a first branch flow passage 8, a second branch flow passage 9, a first dry flow passage 10, a second dry flow passage 11, an inflow pipe 12, an outflow pipe 13, a water cooling device 14, a heat-conducting mounting plate 15, a structural component 16, a groove 17, a second spring 18, a driving block 19, a threaded rod 20, a first gear 21, a motor 22, a second gear 23, a limiting block 24, a pressure sensor 25, a bottom groove 26, a third spring 27, a mounting block 28, a roller 29 and a roller groove 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, a computer room server cabinet cooling system, includes the cabinet body 1, the horizontal fixedly connected with insulator 2 of the 1 inner wall of the cabinet body, the upper end contact of insulator 2 is connected with heat conduction mounting panel 15, structural component 16 is installed to the upper end heat of heat conduction mounting panel 15, and the heat installation here is: the heat-generating surface of the structural component 16 is coated with a heat-conductive paint, and the heat-conductive paint is brought into contact with the heat-conductive mounting plate 15, and the structural component 16 is fixedly mounted on the heat-conductive mounting plate 15.

Vertical multirow sliding chamber 3 has evenly been seted up to the upper end of insulator 2, vertically seted up a plurality of first dry runners 10 and a plurality of second in the insulator 2 from top to bottom and done runner 11, a plurality of first dry runners 10 and multirow sliding chamber 3 staggered distribution, a plurality of second is done runner 11 and is corresponded the setting and be arranged the below of sliding chamber 3, the airtight sliding connection of inner bottom end in each sliding chamber 3 has sliding plug 5, it should be said that, sliding plug 5's main part adopts the heat conduction post, glue the fixed seal circle at the surface of heat conduction post and make it and sliding chamber 3 airtight sliding connection.

The sliding plug 5 and the inner bottom end of the sliding cavity 3 are fixedly connected with a first spring 4, the inner top surface of the sliding cavity 3 is embedded with a heat conducting block 7 which is flush with the upper end surface of the heat insulator 2, an airtight cavity is formed between the heat conducting block 7 and the sliding plug 5, the inner wall of the sliding cavity 3 is respectively communicated with a first branch flow channel 8 and a second branch flow channel 9, the first branch flow channel 8 and the second branch flow channel 9 are L-shaped, one ends of the first branch flow channel 8 and the second branch flow channel 9, which are far away from the sliding cavity 3, are respectively communicated with the first main flow channel 10 and the second main flow channel 11, as the first main flow channel 10 and the sliding cavity 3 are distributed in a staggered mode, the relatively longer part in the first branch flow channel 8 is obliquely arranged, the ends, which are close to each other, of the first branch flow channel 8 and the second branch flow channel 9 are positioned on the same axis, namely the relatively shorter ends of the first branch flow channel 8 and the second branch flow channel 9 are horizontally arranged, the water in the sliding plug 5 is provided with a communicating groove 6, the left ends of the plurality of the first branch flow channels 10 are communicated with each other with an inflow pipe 12, the second branch flow channel 11, and the left end of the second branch flow channel 11 is communicated with an outflow pipe 13, and the water cooling device 13, which is connected with the water cooling device 13, which is not connected with the water cooling device, and the water cooling device.

The inner diameters of the first main flow channel 10 and the second main flow channel 11 are the same, the inner diameter of the first main flow channel 10 is larger than that of the first branch flow channel 8, correspondingly, the inner diameter of the second main flow channel 11 is larger than that of the second branch flow channel 9, and the inner diameters of the first branch flow channel 8 and the second branch flow channel 9 are the same, so that the flow demand is met. When the temperature of the gas in the airtight cavity is 25 ℃, the temperature of 25 ℃ can be considered as room temperature, the first spring 4 is in the original length, and the communicating groove 6 is positioned above the first branch flow passage 8 and the second branch flow passage 9.

In the invention, when the server is not in a working state, the air temperature in the airtight cavity is 25 ℃, the first spring 4 is in the original length, the communicating groove 6 is staggered with the first branch flow channel 8 and the second branch flow channel 9 under the supporting force of the first spring 4, but the communicating groove 6 is in a position to be communicated with the first branch flow channel 8 and the second branch flow channel 9;

when the server is in a working state, heat generated by the structural components 16 of the server is conducted to the heat conduction mounting plate 15, the heat conduction mounting plate 15 is conducted to air inside the airtight cavity through the heat conduction blocks 7 at all positions, the volume of the air is in positive correlation with the temperature, and the coefficient of body expansion is 3.676 × 10^ -3, so that the air temperature inside the airtight cavity is gradually increased, the air gradually overcomes the elasticity of the first spring 4 downwards and the sliding friction force (the sliding friction force is negligible) of the inner wall of the sliding cavity 3 of the sliding plug 5 to gradually move downwards, the downward movement distance is in direct proportion to the communication area (flow rate) of the air temperature inside the airtight cavity/the communication groove 6 and the first branch flow channel 8/the second branch flow channel 9, the cold water flow rate of the part with the maximum heat productivity is correspondingly maximum, and the heat dissipation capacity is also maximum, and the corresponding heat dissipation capacity is adjusted according to the heat productivity of each structural component 16 of the server in different working states.

The water cooling principle is that the water cooling device 14 introduces cold water into each first main flow channel 10 through the inflow pipe 12, the communicating groove 6 can dissipate heat through the cold water when being communicated with the first branch flow channel 8 and the second branch flow channel 9, finally flows into the second main flow channel 11, and enters the water cooling device 14 through the outflow pipe 13 for circulating cooling.

As an improvement, the airtight cavity in the invention can be filled with expansion liquid to replace air, the volume of the expansion liquid is gradually increased along with the increase of the temperature, the expansion principle is the same as that of the air, but the heat conductivity coefficient is increased, and the cold water flow is favorable for taking away heat.

The inner wall of the sliding cavity 3 is symmetrically and fixedly connected with two limiting blocks 24, the descending distance of the sliding plug 5 is limited, the sliding plug 5 is prevented from blocking the first branch flow channel 8 and the second branch flow channel 9 again, the upper end of one limiting block 24 is embedded with a pressure sensor 25, and the pressure sensor 25 is in signal connection with a controller;

two initiative blocks 19 of heat conduction mounting panel 15 upper end symmetric connection, wear to be equipped with threaded rod 20 in each initiative block 19, it supplies threaded rod 20 pivoted to open in the initiative block 19 leads to the groove, initiative block 19 does not influence the rotation of threaded rod 20, threaded rod 20's both ends all with the inner wall fixed connection of the cabinet body 1, the right side of each initiative block 19 uses the bearing to rotate and is connected with first gear 21, first gear 21 and threaded rod 20 threaded connection, the upper end fixed mounting of heat conduction mounting panel 15 has motor 22, motor 22 and controller electric connection, the coaxial fixedly connected with second gear 23 of motor 22's output, and second gear 23 meshes with two first gear 21 simultaneously.

The upper end of the heat conduction mounting plate 15 is provided with a groove 17 which is connected with each driving block 19 in a sliding way, and the inner bottom surface of the groove 17 and the lower end of the driving block 19 are fixedly connected with at least one second spring 18; four bottom grooves 26 which are in rectangular distribution are formed in the lower end of the heat conduction mounting plate 15, a mounting block 28 is connected in the bottom groove 26 in a sliding mode, a third spring 27 is fixedly connected to the upper end of the mounting block 28 and the inner top end of the bottom groove 26, a roller 29 is mounted on one side of the mounting block 28, at least three groups of roller grooves 30 for the roller 29 to be placed are formed in the upper end of the heat conduction mounting plate 15, and the number of each group of roller grooves 30 is four correspondingly. The elastic coefficient of the third spring 27 is greater than that of the second spring 18, so that after the third spring 27 is compressed, the second spring 18 is also compressed correspondingly, and the groove 17 provides a space for the heat-conducting mounting plate 15 to move upwards.

In the present invention, the portion of the heat insulator 2 that is in contact with the heat conducting mounting plate 15 does not conduct heat, so the sliding plug 5 blocks the first branch flow passage 8 and the second branch flow passage 9;

however, when the water cooling heat dissipation capacity at the position is insufficient, that is, the temperature inside the airtight cavity exceeds a threshold value, the communication area of the communication groove 6 in the sliding plug 5 with the first branch flow passage 8 and the second branch flow passage 9 is the largest, the flow rate is also the largest, the pressure sensor 25 is extruded by the sliding plug 5 through the air pressure, the pressure sensor 25 converts a pressure signal into an electric signal and sends the electric signal to the controller, when the pressure value exceeds an upper limit, the controller starts the motor 22, the motor 22 is synchronously engaged with the two first gears 21 through the second gear 23, the rotating speeds of the two first gears 21 are the same, the two first gears 21 rotate on the threaded rod 20 and simultaneously drive the driving block 19 to move, the driving block 19 drives the heat conduction mounting plate 15 to integrally move under the effect of the groove 17, in the moving process, the roller 29 gradually rolls out of the roller groove 30, the second spring 18 and the third spring 27 are compressed, so that the roller 29 is in contact with the upper surface of the heat insulator 2, a gap is formed between the heat conduction mounting plate 15 and the heat insulator 2 under the compression of the third spring 27, and the sliding friction between the heat conduction mounting plate 15 and the heat insulator 2 is avoided, the rolling friction is changed, the mechanical loss is reduced until the roller 29 is positioned in another group of roller grooves 30, the second spring 18 and the third spring 27 can recover to be original lengths, a distance sensor can be arranged inside the cabinet body 1 to realize the opening, closing and steering of the motor 22 through a controller, so that the heat is dissipated when the cabinet body is moved to the current position, the position with insufficient heat dissipation capacity is continuously dissipated, the heat is used for next heat dissipation, and the heat dissipation is circulated to avoid the overheating phenomenon.

It should be noted that the pressure sensor 25 may be replaced by a temperature sensor for monitoring the temperature of the spool 5, and the above-mentioned object is still achieved after the temperature of the spool 5 exceeds a threshold value.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a computer room server rack cooling system, includes the cabinet body (1), its characterized in that: the cabinet body (1) inner wall level fixedly connected with insulator (2), the upper end contact of insulator (2) is connected with heat conduction mounting panel (15), structural component (16) are installed to the upper end heat of heat conduction mounting panel (15), vertical multirow smooth chamber (3) have evenly been seted up to the upper end of insulator (2), vertically seted up a plurality of first dry runners (10) and a plurality of second dry runner (11) about in insulator (2), it is a plurality of first dry runner (10) and multirow smooth chamber (3) dislocation distribution, it is a plurality of second dry runner (11) correspond and set up in the below that corresponds row smooth chamber (3), each the interior bottom end airtight sliding connection of smooth chamber (3) has smooth plug (5), the common fixedly connected with first spring (4) of interior bottom end of smooth plug (5) and smooth chamber (3), the interior top surface of smooth chamber (3) inlays and is equipped with heat conduction block (7) with insulator (2) up end parallel and level, between smooth block (7) and smooth chamber (5) first smooth chamber (3) form first smooth chamber (9) and second runner (9) respectively and second runner (8) are a second runner (9) and a second runner (8) and a runner (9) and a runner (8) are all to be a heat conduction block (7) that a second runner (9) intercommunication is a parallel and level, and a second runner (9) are mutually, the second main flow channel (11) is communicated, one ends, close to each other, of the first branch flow channel (8) and the second branch flow channel (9) are located on the same axis, and a communicating groove (6) is horizontally arranged in the sliding plug (5); the left ends of the first main flow channels (10) are communicated with each other and communicated with an inflow pipe (12), the left ends of the second main flow channels (11) are communicated with each other and communicated with an outflow pipe (13), and the inflow pipe (12) and the outflow pipe (13) are connected with a water cooling device (14) together.

2. The computer room server cabinet cooling system of claim 1, wherein: the inner diameters of the first main flow channel (10) and the second main flow channel (11) are the same, and the inner diameter of the first main flow channel (10) is larger than that of the first branch flow channel (8).

3. The computer room server cabinet cooling system of claim 1, wherein: when the temperature of the gas in the airtight cavity is 25 ℃, the first spring (4) is in the original length, and the communicating groove (6) is positioned above the first branch flow channel (8) and the second branch flow channel (9).

4. The computer room server cabinet cooling system of claim 1, wherein: the inner wall of the sliding cavity (3) is symmetrically and fixedly connected with two limiting blocks (24), the upper end of one limiting block (24) is embedded with a pressure sensor (25), and the pressure sensor (25) is connected with a controller in a signal mode; heat conduction mounting panel (15) upper end symmetric connection has two initiative pieces (19), each wear to be equipped with threaded rod (20) in initiative piece (19), set up in initiative piece (19) and supply threaded rod (20) pivoted to lead to the groove, the both ends of threaded rod (20) all with the inner wall fixed connection of the cabinet body (1), each the right side of initiative piece (19) uses the bearing to rotate and is connected with first gear (21), first gear (21) and threaded rod (20) threaded connection, the upper end fixed mounting of heat conduction mounting panel (15) has motor (22), motor (22) and controller electric connection, the coaxial fixedly connected with second gear (23) of output of motor (22), and second gear (23) mesh with two first gear (21) simultaneously.

5. The computer room server cabinet cooling system of claim 4, wherein: the upper end of the heat conduction mounting plate (15) is provided with a groove (17) which is connected with each driving block (19) in a sliding way, and the inner bottom surface of the groove (17) and the lower end of each driving block (19) are fixedly connected with at least one second spring (18); four kerfs (26) that are the rectangle and distribute are seted up to the lower extreme of heat conduction mounting panel (15), sliding connection has installation piece (28) in kerfs (26), the upper end of installation piece (28) and the interior top end fixedly connected with third spring (27) of kerfs (26), gyro wheel (29) are installed to one side of installation piece (28), at least three groups of gyro wheel grooves (30) that supply gyro wheel (29) to place are seted up to the upper end of heat conduction mounting panel (15).

6. The computer room server cabinet cooling system of claim 5, wherein: the spring constant of the third spring (27) is greater than the spring constant of the second spring (18).