CN210442751U

CN210442751U - Computer heat dissipation device for electronic information engineering laboratory

Info

Publication number: CN210442751U
Application number: CN201921905971.5U
Authority: CN
Inventors: 刘静; 陈志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-05-01
Anticipated expiration: 2029-11-07

Abstract

The utility model provides a computer heat dissipation device for an electronic information engineering laboratory, which comprises a bottom shell, wherein the front side of the bottom shell is fixedly connected with a protective shell, and heat exchange mechanisms are arranged inside the bottom shell and the protective shell; a control switch is arranged on the left side of the bottom shell, and the control switch is commonly and electrically connected with the heat dissipation mechanism and the heat exchange mechanism; the left side of the bottom shell is connected with a USB plug through a wire, and the USB plug is in common electric connection with the control switch. Through the setting of first drive mechanism, through opening control switch, make micro motor and miniature pump start, first pivot drives three other second pivots through first drive mechanism this moment and rotates to make four fans only need one to use a micro motor can rotate simultaneously, greatly reduced heat abstractor's power consumption in the use, effectively improved heat abstractor's radiating effect.

Description

Computer heat dissipation device for electronic information engineering laboratory

Technical Field

The utility model belongs to the technical field of the computer, more specifically say, in particular to electronic information engineering laboratory computer heat abstractor.

Background

The computer is commonly called as computer, is a modern electronic computing machine for high-speed computation, can perform numerical computation and logic computation, and also has the function of storage and memory. The intelligent electronic device can be operated according to a program, and can automatically process mass data at a high speed.

As in application No.: CN201721842769.3 the utility model provides a computer heat sink. The computer heat sink comprises a fan; the side wall of the base is provided with a first sliding chute; the inner wall of the base is provided with a second sliding chute; a slider; the sliding mechanism is fixedly connected with the sliding block and is in sliding connection with the first sliding groove; the supporting mechanism comprises a first supporting pipe, a second limiting knob and a third supporting pipe; the air draft mechanism comprises a water storage ring, a water filling port and a radiating fin, and the water storage ring is connected with the third supporting tube; the top surface of the water storage ring is provided with the water filling port, and the heat radiating fin is arranged in the water storage ring; and a control mechanism. The utility model provides a computer heat abstractor combines side suction type and end blowing formula as an organic whole, can change hot-blast cold wind into and carry out the circulation heat dissipation.

Based on the search discovery of the above patent, the notebook computer usually needs to be cooled by an auxiliary cooling device during a long-time use process, so that the normal operation of the notebook computer can be ensured. The heat dissipation device in the above patent has the following disadvantages in the practical use process, such as: 1. the heat dissipation device in the patent lacks an effective transmission mechanism, so that the fan can be driven by four motors when rotating, the energy consumption of the heat dissipation device in the use process is greatly improved, and the heat dissipation effect of the heat dissipation device is poor because the motors can generate heat when operating; 2. although the heat abstractor suction opening department in the above-mentioned patent has set up the retaining ring that has certain radiating effect, nevertheless because the inside water of retaining ring can not carry out effectual circulation heat dissipation, the event makes the retaining ring will generate heat and still can lose the radiating effect after using a period, and then has leaded to the hot-blast inside phenomenon of notebook computer that just directly is taken into by the fan after the heat dissipation of the notebook computer side blow off, greatly reduced heat abstractor's practicality.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a computer heat dissipation device for an electronic information engineering laboratory is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an electronic information engineering laboratory computer heat abstractor to solve the heat abstractor in the above-mentioned patent and still have following not enough in the use of reality, if: 1. the heat dissipation device in the patent lacks an effective transmission mechanism, so that the fan can be driven by four motors when rotating, the energy consumption of the heat dissipation device in the use process is greatly improved, and the heat dissipation effect of the heat dissipation device is poor because the motors can generate heat when operating; 2. although the heat abstractor suction opening department in the above-mentioned patent has set up the retaining ring that has certain radiating effect, nevertheless because the inside water of retaining ring can not carry out effectual circulation heat dissipation, the event makes the retaining ring will generate heat and still can lose the radiating effect after using a period, and then has leaded to the hot-blast phenomenon inside the notebook computer that just directly is taken into by the fan after the heat dissipation of the notebook computer side blow off, greatly reduced heat abstractor's the problem of practicality.

The utility model discloses electronic information engineering laboratory computer heat abstractor's purpose and efficiency are reached by following specific technological means:

a computer heat dissipation device for an electronic information engineering laboratory comprises a bottom shell, wherein a protective shell is fixedly connected to the front side of the bottom shell, and heat exchange mechanisms are arranged inside the bottom shell and the protective shell; the bottom shell is internally provided with a heat dissipation mechanism, and the heat dissipation mechanism is provided with a first transmission mechanism; the inside of the protective shell is also provided with a blowing mechanism, and the blowing mechanism is connected with the heat exchange mechanism through a second transmission mechanism; a control switch is arranged on the left side of the bottom shell, and the control switch is commonly and electrically connected with the heat dissipation mechanism and the heat exchange mechanism; the left side of the bottom shell is connected with a USB plug through a wire, and the USB plug is in common electric connection with the control switch.

Further, the drain pan still includes that roof, air outlet, rectangle frame cushion, circular cushion, aspiration channel, baffle, air inlet through-hole and first round type prop up the piece, the drain pan top is equipped with the roof, and the roof up end has seted up the air outlet, the inside baffle that is equipped with of drain pan, and the baffle up end has seted up air inlet through-hole, the roof up end is equipped with rectangle frame cushion and circular cushion, and circular cushion is located roof up end central point, the drain pan right side is connected with rather than the communicating aspiration channel in inside, and is equipped with the inlet scoop on the aspiration channel, baffle up end fixedly connected with is three first round type props up the piece.

Further, the protective housing still includes protective housing roof and pivot piece, protective housing upper portion is equipped with the protective housing roof, and has all seted up the bar blow vent on protective housing and the protective housing roof, the inboard bottom of protective housing face fixedly connected with pivot piece.

Further, heat dissipation mechanism still includes micro motor, first pivot, second pivot, fan and first bearing, micro motor installs at the baffle up end, and micro motor rotates through first pivot and is connected with the fan, the quantity of second pivot is three altogether, and every the equal fixedly connected with fan in second pivot upper end, every second pivot lower extreme all is equipped with first bearing, and first bearing fixed connection is inside first round type piece, first pivot outer peripheral face and three be connected through the transmission of first drive mechanism between the second pivot outer peripheral face.

Further, heat transfer mechanism still includes snakelike heat exchange tube, water tank, heat absorbing fin, filler pipe, sealed lid, miniature pump and second circle type prop up piece, snakelike heat exchange tube is installed at the baffle up end, and is equipped with the heat absorbing fin on the snakelike heat exchange tube, water tank and miniature pump all pass through the support mounting inside the protective housing, and the water tank leads to pipe and is connected with miniature pump water inlet end, miniature pump water outlet end leads to pipe and is connected with snakelike heat exchange tube one end, and the snakelike heat exchange tube other end leads to pipe and is connected with the water tank, both ends face all is equipped with the fin about the water tank, and water tank left end face front side fixedly connected with second circle type prop up piece, the water tank right side is equipped with the filler pipe, and the.

Furthermore, first drive mechanism still includes first action wheel, first from driving wheel and first belt, first action wheel sets up at first pivot peripheral face, first quantity from the driving wheel is three, and three first from driving wheel sets up respectively at three second pivot peripheral face, first action wheel and three first follow is connected through three first belt transmission between the driving wheel altogether.

Furthermore, the blowing mechanism further comprises a third rotating shaft, a blowing fan blade and a second bearing, the second bearing is arranged at the right end of the third rotating shaft, the second bearing is fixedly connected inside the second ring-shaped supporting block, the blowing fan blade is arranged on the outer peripheral face of the third rotating shaft, the third rotating shaft is connected with the micro water pump through a second transmission mechanism in a transmission mode, and when the blowing mechanism and the protective shell are in an installation state, the third rotating shaft is connected with the rotating shaft supporting block in a rotating mode.

Furthermore, the second transmission mechanism further comprises a second driving wheel, a second driven wheel and a second belt, the second driving wheel is arranged on the rotating shaft of the micro water pump, the second driven wheel is arranged at the left end of the third rotating shaft, and the second driven wheel is in transmission connection with the second driving wheel through the second belt.

Compared with the prior art, the utility model discloses following beneficial effect has:

through the setting of first drive mechanism, through opening control switch, make micro motor and miniature pump start, first pivot drives three other second pivots through first drive mechanism this moment and rotates to make four fans only need one to use a micro motor can rotate simultaneously, greatly reduced heat abstractor's power consumption in the use, effectively improved heat abstractor's radiating effect.

Through heat exchange mechanism's setting, under the effect of fin, carry out quick effective heat dissipation with the inside thermal water that has that gets into of water tank, then the rotation through miniature pump pivot, make the second action wheel drive the second through the second belt and rotate from the driving wheel simultaneously, thereby make the third pivot drive the fan blade of blowing rotate, and then make fin and water tank obtain further radiating action, at last under miniature pump's circulation, the water after will dispelling the heat is carried once more inside the heat transfer of carrying out next round of snakelike heat exchange tube, thereby the hot-blast phenomenon of just directly being taken into notebook computer by the fan after the heat dissipation of having avoided the side of the computer to blow off, heat abstractor's practicality has been improved greatly.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is the structure schematic diagram of the present invention after removing the top plate and the top plate of the protective casing.

Fig. 3 is a schematic structural diagram of the heat dissipation mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the first transmission mechanism of the present invention.

Fig. 5 is a schematic structural view of the heat exchange mechanism, the blowing mechanism and the second transmission mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a bottom case; 101. a top plate; 102. an air outlet; 103. a rectangular frame rubber pad; 104. a circular rubber pad; 105. an air suction pipe; 106. a partition plate; 107. an air inlet through hole; 108. a first hoop-type bolster; 2. a protective shell; 201. a protective shell top plate; 202. a rotating shaft support block; 3. a control switch; 4. a USB plug; 5. a heat dissipation mechanism; 501. a micro motor; 502. a first rotating shaft; 503. a second rotating shaft; 504. a fan; 505. a first bearing; 6. a heat exchange mechanism; 601. a serpentine heat exchange tube; 602. a water tank; 603. a heat absorbing sheet; 604. a heat sink; 605. a water feeding pipe; 606. a sealing cover; 607. a micro water pump; 608. a second loop-shaped support block; 7. a first transmission mechanism; 701. a first drive wheel; 702. a first driven wheel; 703. a first belt; 8. a blowing mechanism; 801. a third rotating shaft; 802. a blower blade; 803. a second bearing; 9. a second transmission mechanism; 901. a second drive wheel; 902. a second driven wheel; 903. a second belt.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides an electronic information engineering laboratory computer heat abstractor, including drain pan 1, the front side of drain pan 1 is fixedly connected with protective housing 2, protective housing 2 still includes protective housing roof 201 and pivot brace 202, protective housing 2 upper portion is equipped with protective housing roof 201, and has all seted up the bar blow vent on protective housing 2 and protective housing roof 201, and the inboard bottom face of protective housing 2 is fixedly connected with pivot brace 202; a heat exchange mechanism 6 is arranged in the bottom shell 1 and the protective shell 2; the heat dissipation mechanism 5 is further installed inside the bottom shell 1, the heat dissipation mechanism 5 further includes three micro motors 501, first rotating shafts 502, second rotating shafts 503, fans 504 and first bearings 505, the micro motors 501 are installed on the upper end face of the partition plate 106, the micro motors 501 are rotatably connected with the fans 504 through the first rotating shafts 502, the number of the second rotating shafts 503 is three, the upper end of each second rotating shaft 503 is fixedly connected with a fan 504, the lower end of each second rotating shaft 503 is provided with a first bearing 505, the first bearings 505 are fixedly connected inside the first round support blocks 108, and the peripheral faces of the first rotating shafts 502 are in transmission connection with the peripheral faces of the three second rotating shafts 503 through first transmission mechanisms 7; the heat dissipation mechanism 5 is provided with a first transmission mechanism 7, the first transmission mechanism 7 further comprises a first driving wheel 701, three first driven wheels 702 and first belts 703, the first driving wheel 701 is arranged on the outer peripheral surface of the first rotating shaft 502, the number of the first driven wheels 702 is three, the three first driven wheels 702 are respectively arranged on the outer peripheral surfaces of the three second rotating shafts 503, the first driving wheel 701 and the three first driven wheels 702 are in transmission connection through the three first belts 703, and the other three second rotating shafts 503 are driven to rotate through the first transmission mechanism 7, so that the four fans 504 can rotate simultaneously only by using one micro motor 501, and the energy consumption of the heat dissipation device in the use process is greatly reduced; the inside of the protective shell 2 is also provided with a blowing mechanism 8, the blowing mechanism 8 further comprises a third rotating shaft 801, a blowing fan blade 802 and a second bearing 803, the right end of the third rotating shaft 801 is provided with the second bearing 803, the second bearing 803 is fixedly connected inside a second ring-shaped supporting block 608, the outer peripheral surface of the third rotating shaft 801 is provided with the blowing fan blade 802, the third rotating shaft 801 is in transmission connection with the micro water pump 607 through a second transmission mechanism 9, the second transmission mechanism 9 further comprises a second driving wheel 901, a second driven wheel 902 and a second belt 903, the second driving wheel 901 is arranged on the rotating shaft of the micro water pump 607, the second driven wheel 902 is arranged at the left end of the third rotating shaft 801, and the second driven wheel 902 is in transmission connection with the second driving wheel 901 through the second belt 903; when the blowing mechanism 8 and the protective shell 2 are in an installation state, the third rotating shaft 801 is rotatably connected with the rotating shaft support block 202; the blowing mechanism 8 is connected with the heat exchange mechanism 6 through a second transmission mechanism 9; the left side of the bottom shell 1 is provided with a control switch 3, and the control switch 3 is commonly and electrically connected with the heat dissipation mechanism 5 and the heat exchange mechanism 6; the left side of the bottom shell 1 is connected with a USB plug 4 through a wire, and the USB plug 4 is in common electrical connection with the control switch 3.

Wherein, bottom shell 1 still includes roof 101, air outlet 102, rectangle frame cushion 103, circular cushion 104, aspiration channel 105, baffle 106, air inlet hole 107 and first round type prop up piece 108, bottom shell 1 top is equipped with roof 101, and roof 101 up end has seted up air outlet 102, the inside baffle 106 that is equipped with of bottom shell 1, and air inlet hole 107 has been seted up to baffle 106 up end, roof 101 up end is equipped with rectangle frame cushion 103 and circular cushion 104, and circular cushion 104 is located roof 101 up end central point, bottom shell 1 right side is connected with rather than inside communicating aspiration channel 105, and be equipped with the inlet scoop on the aspiration channel 105, baffle 106 up end fixedly connected with three first round type prop up piece 108.

Wherein, the heat exchange mechanism 6 further comprises a serpentine heat exchange tube 601, a water tank 602, heat absorbing fins 603, heat radiating fins 604, a water adding tube 605, a sealing cover 606, a micro water pump 607 and a second ring-shaped support block 608, the serpentine heat exchange tube 601 is installed on the upper end surface of the partition 106, the heat absorbing fins 603 are arranged on the serpentine heat exchange tube 601, the water tank 602 and the micro water pump 607 are both installed inside the protective shell 2 through a bracket, the water tank 602 is connected with the water inlet end of the micro water pump 607 through a water pipe, the water outlet end of the micro water pump 607 is connected with one end of the serpentine heat exchange tube 601 through a water pipe, the other end of the serpentine heat exchange tube 601 is connected with the water tank 602 through a water pipe, the upper and lower end surfaces of the water tank 602 are both provided with the heat radiating fins 604, the front side of the left end surface of the water tank 602 is, the sealing cap 606 is removed and water is added through the water-adding pipe 605.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the notebook computer is firstly placed on the upper part of the bottom shell 1, and the rectangular frame rubber pad 103 and the circular rubber pad 104 are arranged, so that the bottom of the notebook computer and the upper part of the bottom shell 1 have better sealing performance, thereby avoiding the phenomenon that cold air generated by the heat dissipation mechanism 5 is blown to the outside and improving the heat dissipation efficiency of the heat dissipation mechanism 5; then, the USB plug 4 is inserted into a USB interface on the notebook computer, so that the heat dissipation device is connected to the notebook computer, and then the control switch 3 is turned on to start the micro motor 501 and the micro water pump 607, at this time, the first rotating shaft 502 drives the other three second rotating shafts 503 to rotate through the first transmission mechanism 7, so that the four fans 504 can rotate simultaneously by using only one micro motor 501, thereby greatly reducing the energy consumption of the heat dissipation device in the using process, and effectively improving the heat dissipation effect of the heat dissipation device;

the heat in the notebook computer is forced to be discharged by the rotation of the four fans 504, then the hot air discharged from the heat dissipation holes on the side surfaces of the notebook computer is sucked into the bottom case 1 through the air suction opening on the air suction pipe 105, the heat in the hot air is transmitted to the water in the serpentine heat exchange pipe 601 under the action of the serpentine heat exchange pipe 601 and the heat absorption fins 603, then the water with heat in the serpentine heat exchange pipe 601 is conveyed to the inside of the water tank 602 through the micro water pump 607, the water with heat entering the inside of the water tank 602 is rapidly and effectively dissipated by the action of the heat dissipation fins 604, then the rotation of the rotating shaft of the micro water pump 607 enables the second driving wheel 901 to drive the second driven wheel 902 to rotate through the second belt 903, so that the third rotating shaft 801 drives the blowing fan blades 802 to rotate, and further the heat dissipation fins 604 and the water tank 602 obtain a further heat dissipation effect, finally, under the circulating action of the micro water pump 607, the water after heat dissipation is conveyed to the inside of the snake-shaped heat exchange tube 601 again for next heat exchange, so that the phenomenon that hot air blown out of the side face of the computer is directly brought into the inside of the notebook computer by a fan after heat dissipation is avoided, and the practicability of the heat dissipation device is greatly improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an electronic information engineering laboratory computer heat abstractor which characterized in that: the heat exchanger comprises a bottom shell (1), wherein a protective shell (2) is fixedly connected to the front side of the bottom shell (1), and heat exchange mechanisms (6) are installed inside the bottom shell (1) and the protective shell (2); a heat dissipation mechanism (5) is further installed inside the bottom shell (1), and a first transmission mechanism (7) is arranged on the heat dissipation mechanism (5); the inside of the protective shell (2) is also provided with a blowing mechanism (8), and the blowing mechanism (8) is connected with the heat exchange mechanism (6) through a second transmission mechanism (9); the control switch (3) is installed on the left side of the bottom shell (1), and the control switch (3) is in common electrical connection with the heat dissipation mechanism (5) and the heat exchange mechanism (6); the left side of the bottom shell (1) is connected with a USB plug (4) through a wire, and the USB plug (4) is in common electric connection with the control switch (3).

2. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: the bottom shell (1) further comprises a top plate (101), an air outlet (102), a rectangular frame rubber mat (103), a round rubber mat (104), an air suction pipe (105), a partition plate (106), an air inlet through hole (107) and a first round supporting block (108), the top of the bottom shell (1) is provided with the top plate (101), an air outlet (102) is arranged on the upper end surface of the top plate (101), a clapboard (106) is arranged inside the bottom shell (1), an air inlet through hole (107) is arranged on the upper end surface of the clapboard (106), a rectangular frame rubber mat (103) and a round rubber mat (104) are arranged on the upper end surface of the top plate (101), the round rubber pad (104) is positioned at the central part of the upper end surface of the top plate (101), the right side of the bottom shell (1) is connected with an air suction pipe (105) communicated with the inside of the bottom shell, and an air suction opening is arranged on the air suction pipe (105), and three first round supporting blocks (108) are fixedly connected to the upper end face of the partition plate (106).

3. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: protective housing (2) still include protective housing roof (201) and pivot piece (202), protective housing (2) upper portion is equipped with protective housing roof (201), and has all seted up the bar blow vent on protective housing (2) and protective housing roof (201), protective housing (2) inboard bottom face fixedly connected with pivot piece (202).

4. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: heat dissipation mechanism (5) still include micro motor (501), first pivot (502), second pivot (503), fan (504) and first bearing (505), install at baffle (106) up end micro motor (501), and micro motor (501) rotates through first pivot (502) and is connected with fan (504), the quantity of second pivot (503) is three altogether, and every equal fixedly connected with fan (504) in second pivot (503) upper end, every second pivot (503) lower extreme all is equipped with first bearing (505), and inside first bearing (505) fixed connection was in first round type piece (108), first pivot (502) outer peripheral face and three be connected through first drive mechanism (7) transmission between second pivot (503) outer peripheral face.

5. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: the heat exchange mechanism (6) further comprises a snake-shaped heat exchange tube (601), a water tank (602), heat absorbing fins (603), heat radiating fins (604), a water feeding tube (605), a sealing cover (606), a micro water pump (607) and a second ring-shaped supporting block (608), the snake-shaped heat exchange tube (601) is installed on the upper end face of the partition plate (106), the heat absorbing fins (603) are arranged on the snake-shaped heat exchange tube (601), the water tank (602) and the micro water pump (607) are installed inside the protective shell (2) through supports, the water tank (602) is connected with the water inlet end of the micro water pump (607) through a water pipe, the water outlet end of the micro water pump (607) is connected with one end of the snake-shaped heat exchange tube (601) through a water pipe, the other end of the snake-shaped heat exchange tube (601) is connected with the water tank (602) through a water pipe, the heat radiating fins (604) are arranged on the, the right side of the water tank (602) is provided with a water adding pipe (605), and the upper part of the water adding pipe (605) is provided with a sealing cover (606).

6. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: the first transmission mechanism (7) further comprises a first driving wheel (701), three first driven wheels (702) and three first belts (703), wherein the first driving wheel (701) is arranged on the peripheral surface of the first rotating shaft (502), the number of the first driven wheels (702) is three, the number of the first driven wheels (701) is three, the number of the first driven wheels (702) is three, and the first driven wheels (702) are in transmission connection with each other through the three first.

7. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: blowing mechanism (8) still include third pivot (801), fan blade (802) and second bearing (803) blow, third pivot (801) right-hand member is equipped with second bearing (803), and second bearing (803) fixed connection is inside second circle type prop up piece (608), third pivot (801) outer peripheral face is equipped with fan blade (802) of blowing, and is connected through second drive mechanism (9) transmission between third pivot (801) and miniature water pump (607), works as when being in installation status between blowing mechanism (8) and protective housing (2), third pivot (801) are connected with pivot prop up piece (202) rotation.

8. The heat sink for computer in electronic information engineering laboratory according to claim 1, wherein: the second transmission mechanism (9) further comprises a second driving wheel (901), a second driven wheel (902) and a second belt (903), the second driving wheel (901) is arranged on a rotating shaft of the miniature water pump (607), the second driven wheel (902) is arranged at the left end of the third rotating shaft (801), and the second driven wheel (902) is in transmission connection with the second driving wheel (901) through the second belt (903).