Mainboard heat dissipation system based on temperature sensing control and control method
Technical Field
The invention relates to the field of computer equipment, in particular to a mainboard cooling system based on temperature sensing control and a control method.
Background
The computer mainboard is connected by hundreds of microcircuits, and is small in size, and the microcircuits generating pulse current are distributed on the mainboard, so that a large amount of heat can be generated due to continuous high-load operation calculation processing in the use process. However, the heat dissipation performance of the existing computer motherboard is insufficient, so that after the computer works for a long time, the motherboard is blocked due to poor heat dissipation effect, and the service life of the computer motherboard is greatly reduced.
Disclosure of Invention
The invention aims to provide a mainboard heat dissipation system based on temperature sensing control and a control method, which solve the problems that the heat dissipation performance of the traditional computer mainboard is insufficient, so that after a computer works for a long time, the mainboard is blocked due to poor heat dissipation effect, and the service life of the computer mainboard is greatly shortened.
In order to achieve the purpose, the invention provides a mainboard heat dissipation system based on temperature sensing control, which comprises a mainboard frame, wherein the mainboard frame is connected with a fan frame through a support rod, a mounting hole is formed in the fan frame, a heat dissipation fan is fixed in the mounting hole, a frame body is fixed on one surface, close to the mainboard frame, of the fan frame, the mounting hole is formed in the frame body, a plurality of heat dissipation fins are inserted in the frame body, a gap is formed between every two adjacent heat dissipation fins, a heat dissipation branch pipe is fixed on the surface of each heat dissipation fin, a liquid inlet pipe and a liquid outlet pipe which are mutually communicated are further arranged between the mainboard frame and the fan frame, one end of each heat dissipation branch pipe is communicated with the liquid inlet pipe, and the other end of each heat dissipation branch pipe is communicated with the liquid outlet pipe.
Preferably, the radiating branch pipe is composed of a plurality of U-shaped pipes communicated end to end.
Preferably, a clamping groove matched with the heat dissipation branch pipe is formed on the heat dissipation sheet, and at least part of the heat dissipation branch pipe is clamped in the clamping groove.
Preferably, the liquid inlet pipe and the liquid outlet pipe are respectively and at least partially fixed at the lower ends of the radiating fins.
Preferably, the motherboard frame is connected with the lower end of the radiating fin through a silica gel pad.
Preferably, a plurality of inserting grooves are formed in the frame body at intervals, and at least part of the radiating fins are inserted into the inserting grooves.
Preferably, a plurality of heat dissipation holes are formed in the surface of the mainboard frame.
Preferably, the mainboard cooling system further comprises a cooling liquid tank, one end of the cooling liquid tank is communicated with the liquid outlet pipe through a first pipe, and the other end of the cooling liquid tank is communicated with the liquid inlet pipe through an absorption pump and a second pipe.
Preferably, a first electromagnetic valve and a first temperature sensor are respectively arranged in the second pipe and close to the liquid inlet pipe; a second electromagnetic valve and a second temperature sensor are respectively arranged in the first pipe and close to the liquid outlet pipe; and a PLC plate is fixed on the cooling liquid tank.
The invention also provides a control method of the mainboard heat dissipation system, which comprises the following steps:
when the temperature signal acquired by the first temperature sensor or the second temperature sensor is greater than a first threshold value, the first electromagnetic valve, the second electromagnetic valve and the suction pump are controlled to be opened simultaneously through the PLC board;
when the temperature signal collected by the first temperature sensor or the second temperature sensor is smaller than a second threshold value, the first electromagnetic valve, the second electromagnetic valve and the suction pump are controlled to be closed simultaneously through the PLC board.
According to the technical scheme, the invention provides a mainboard heat dissipation system based on temperature sensing control, which comprises a mainboard frame, wherein the mainboard frame is connected with a fan frame through a support rod, a mounting hole is formed in the fan frame, a heat dissipation fan is fixed in the mounting hole, a frame body is fixed on one surface, close to the mainboard frame, of the fan frame, the mounting hole is formed in the frame body, a plurality of heat dissipation fins are inserted in the frame body, a gap is formed between every two adjacent heat dissipation fins, a heat dissipation branch pipe is fixed on the surface of each heat dissipation fin, a liquid inlet pipe and a liquid outlet pipe which are mutually communicated are further arranged between the mainboard frame and the fan frame, one end of each heat dissipation branch pipe is communicated with the liquid inlet pipe, and the other end of each heat dissipation branch pipe is communicated with the liquid outlet pipe; the main board is arranged on the main board frame, heat emitted by the main board is absorbed and discharged through the cooling fan, the contact area between the cooling fins and the heat can be increased, the absorption effect is improved, meanwhile, the cooling branch pipes are arranged on each cooling fin, so that when cooling liquid circulates in the liquid inlet pipe and the liquid outlet pipe, one part of the cooling liquid enters the cooling branch pipes, part of the heat on the cooling fins is taken away, and the cooling fins can be rapidly cooled; the mainboard heat dissipation system solves the problems that the heat dissipation performance of the existing computer mainboard is insufficient, so that after the computer works for a long time, the mainboard is blocked due to poor heat dissipation effect, and the service life of the computer mainboard is greatly shortened.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a block diagram of a motherboard heat dissipation system provided by the present invention;
FIG. 2 is a disassembled view of the heat dissipation system of the motherboard provided by the invention;
fig. 3 is a side view of the motherboard heat dissipation system provided by the present invention.
Description of the reference numerals
1-motherboard rack 2-heat dissipation holes
3-silica gel pad 4-liquid inlet pipe
5-liquid outlet pipe 6-radiating fin
7-radiating branch pipe 8-frame body
9-plug groove 10-support rod
11-Fan case 12-radiator Fan
13-first tube 14-second tube
15-cooling liquid tank 16-suction pump
17-second electromagnetic valve 18-second temperature sensor
19-first temperature sensor 20-first solenoid valve
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1-3: the invention provides a mainboard heat dissipation system based on temperature sensing control, which comprises a mainboard frame 1, wherein the mainboard frame 1 is connected with a fan frame 11 through a support rod 10, a mounting hole is formed in the fan frame 11, a heat dissipation fan 12 is fixed in the mounting hole, a frame body 8 is fixed on one surface, close to the mainboard frame 1, of the fan frame 11, the mounting hole is positioned in the frame body 8, a plurality of heat dissipation fins 6 are inserted in the frame body 8, a gap is formed between every two adjacent heat dissipation fins 6, a heat dissipation branch pipe 7 is fixed on the surface of each heat dissipation fin 6, a liquid inlet pipe 4 and a liquid outlet pipe 5 which are mutually communicated are further arranged between the mainboard frame 1 and the fan frame 11, one end of each heat dissipation branch pipe 7 is communicated with the liquid inlet pipe 4, and the other end of each heat dissipation branch pipe 7 is communicated with the liquid outlet pipe 5. The main board is arranged on the main board frame, heat emitted by the main board is absorbed and discharged through the cooling fan, the contact area between the cooling fins and the heat can be increased, the absorption effect is improved, meanwhile, the cooling branch pipes are arranged on each cooling fin, so that when cooling liquid circulates in the liquid inlet pipe and the liquid outlet pipe, one part of the cooling liquid enters the cooling branch pipes, part of the heat on the cooling fins is taken away, and the cooling fins can be rapidly cooled; the mainboard heat dissipation system solves the problems that the heat dissipation performance of the existing computer mainboard is insufficient, so that after the computer works for a long time, the mainboard is blocked due to poor heat dissipation effect, and the service life of the computer mainboard is greatly shortened.
In a preferred embodiment of the present invention, in order to increase the contact area between the radiating branch pipes 7 and the radiating fins 6 and improve the radiating effect, the radiating branch pipes 7 are composed of a plurality of U-shaped pipes which are communicated end to end.
In a preferred embodiment of the present invention, in order to enable the heat dissipating branch pipes 7 to effectively remove heat from the heat dissipating fins 6, the heat dissipating fins 6 are formed with clamping grooves which are matched with the heat dissipating branch pipes 7, and the heat dissipating branch pipes 7 are at least partially clamped in the clamping grooves.
In a preferred embodiment of the present invention, for convenience of fixing, the liquid inlet pipe 4 and the liquid outlet pipe 5 are respectively fixed at least partially at the lower end of the heat sink 6.
In a preferred embodiment of the present invention, in order to effectively conduct the heat of the motherboard rack 1 to the heat sink 6, the motherboard rack 1 is connected to the lower end of the heat sink 6 through the silicone pad 3.
In a preferred embodiment of the present invention, in order to facilitate the insertion and installation of the heat sink 6, a plurality of insertion grooves 9 are provided at intervals on the frame body 8, and the heat sink 6 is at least partially inserted into the insertion grooves 9.
In a preferred embodiment of the present invention, in order to improve the heat dissipation performance of the motherboard rack 1, a plurality of heat dissipation holes 2 are formed on the surface of the motherboard rack 1.
In a preferred embodiment of the present invention, the motherboard heat dissipation system further includes a cooling liquid tank 15, one end of the cooling liquid tank 15 is communicated with the liquid outlet pipe 5 through a first pipe 13, and the other end is communicated with the liquid inlet pipe 4 through a suction pump 16 and a second pipe 14. The coolant in the coolant tank 15 can be pumped into the radiating branch pipes 7 by the suction pump 16.
In a preferred embodiment of the present invention, in order to control the circulation of the cooling liquid, a first electromagnetic valve 20 and a first temperature sensor 19 are respectively arranged in the second pipe 14 close to the liquid inlet pipe 4; a second electromagnetic valve 17 and a second temperature sensor 18 are respectively arranged in the first pipe 13 and close to the liquid outlet pipe 5; and a PLC plate is fixed on the cooling liquid tank 15.
The invention also provides a control method of the mainboard heat dissipation system, which comprises the following steps: when the temperature signal acquired by the first temperature sensor 19 or the second temperature sensor 18 is greater than a first threshold value, the first electromagnetic valve 20 and the second electromagnetic valve 17 are controlled to be opened simultaneously through the PLC board; when the temperature signal collected by the first temperature sensor 19 or the second temperature sensor 18 is smaller than the second threshold value, the first electromagnetic valve 20 and the second electromagnetic valve 17 are controlled to be closed simultaneously by the PLC board. For example, the first threshold value may be set to 60 ℃, the second threshold value may be set to 30 ℃, the heat dissipation branch pipes 7, the liquid inlet pipe 4 and the liquid outlet pipe 5 are filled with cooling liquid all the time, when the temperature signal detected by the temperature sensor is greater than 60 ℃, it is proved that certain auxiliary heat dissipation needs to be performed, at this time, the PLC board controls the electromagnetic valve and the suction pump to be opened, circulation of the cooling liquid is performed, heat is effectively taken away, and when the temperature is reduced to below 30 ℃, the PLC board controls the electromagnetic valve and the suction pump to be closed, and the circulation is stopped.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.