CN205750686U - A computer main chassis assembly for preventing dust accumulation - Google Patents

Abstract

The utility model relates to a quick-witted case technical field especially relates to a prevent computer case subassembly of laying dust. The utility model discloses a prevent computer case subassembly of laying dust, including the casing, the casing is provided with backplate and curb plate, still includes induced draft fan, power supply module and the air supply fan that has positive and negative rotation function, and the air supply fan is provided with a plurality ofly, and each air supply fan sets up in the curb plate of casing side by side, and induced draft fan sets up in the backplate of casing; the power supply assembly comprises a power supply fan with a positive and negative rotation function, and the power supply fan is arranged on the back plate and arranged above the exhaust fan. The utility model discloses a prevent computer case subassembly of laying dust avoids the internal laying dust of case shell, avoids air supply fan laying dust simultaneously, and the radiating efficiency is high, the stable performance.

Description

A computer main chassis assembly for preventing dust accumulation

technical field

The utility model relates to the technical field of cabinets, in particular to a computer main cabinet assembly for preventing dust accumulation.

Background technique

With the advancement of technology, desktop computers are used by more and more families or offices. Desktop computers are generally equipped with a computer case. There are a large number of electrical components in the desktop computer case. These electrical components will dissipate a lot of heat during work. To reduce the heat, the computer case is also provided with a cooling fan to cool down the computer. However, although the air entering the computer case can cool the computer, it also brings the dust in the air into the computer case, making the computer use for a period of time. , a large amount of dust will be deposited in the computer case, and the dust will also cause damage to some electrical components and performance degradation. It is very troublesome to open the case regularly and remove it. If the heat is not discharged from the computer case in time, it will seriously affect the performance and performance of the computer computer lifespan.

In addition, the chassis of desktop computers is generally installed in the corner under the desk, which is bulky and difficult to move. There are no wheels and handles, which is very inconvenient; moreover, most existing desktop computers use built-in heat dissipation. The hot air discharged by the cooling fan is not easy to disperse, and the hot air will quickly increase the temperature of the surrounding air, which will cause the air entering the chassis to be hot air, which greatly reduces the cooling performance of the chassis.

Utility model content

The purpose of this utility model is to provide a computer main case assembly for preventing dust accumulation according to the deficiencies of the prior art, so as to avoid dust accumulation inside the chassis shell and avoid dust accumulation in the air supply fan, with high heat dissipation efficiency and stable performance .

In order to achieve the above object, a computer main case assembly for preventing dust accumulation of the present utility model includes a case shell, the case shell is provided with a back plate and side plates, and also includes an exhaust fan, a power supply assembly and a forward and reverse function. There are multiple air supply fans, each air supply fan is arranged side by side on the side plate of the chassis casing, and the exhaust fan is arranged on the backplane of the chassis casing; the power supply assembly includes a power supply fan with forward and reverse functions, the power supply The fan is arranged on the backboard and above the exhaust fan.

Preferably, there are four blowing fans.

Preferably, the power supply assembly also includes a power supply housing, a PCB board and a heat-conducting silica gel, one side of the PCB board is provided with several electronic components, and the other side of the PCB board passes through the heat-conducting silica gel and the heat-conducting silica gel of the power supply housing. The inner wall is connected; the power supply casing is installed on the chassis casing and arranged above the air supply fan, and the power supply fan is installed on the power supply casing and arranged above the PCB board; the electronic components include a transformer, and the transformer and thermal silica gel are respectively arranged on Both sides of the PCB board.

Preferably, the transformer includes a skeleton part and a copper sheet winding, and an accommodating cavity for accommodating the copper sheet winding is provided inside the skeleton part, and the copper sheet winding is arranged in the accommodating cavity; the copper sheet winding includes a plurality of stacked copper The ring piece, the copper ring piece is provided with a ring part and a lead-out end part, the ring part is arranged inside the accommodating cavity, and the lead-out end part is interference-connected to the PCB board.

Preferably, there are two, three, four or five copper windings, and each copper winding is arranged side by side along the width direction of the copper ring.

Preferably, the transformer further includes a shielding spacer, and the shielding spacer is arranged between the PCB board and the frame member.

Preferably, ventilation gaps are provided at the ends of the frame members.

Beneficial effects of the utility model: the utility model is a computer mainframe box assembly for preventing dust accumulation. It is used to send the cold air outside the chassis shell into the mechanical shell, which is conducive to cooling the electronic components inside the chassis shell; when dust removal is required, control the reverse rotation of the air supply fan to change the air flow inside the chassis shell under normal working conditions Direction, to achieve the effect of dust removal inside the chassis and the blower fan. The power supply fan is used to draw air from the inside of the power supply assembly when it is rotating forward, and has the function of self-dust removal when it is turned over. The utility model relates to a computer mainframe box assembly for preventing dust accumulation, which avoids dust accumulation inside the chassis shell and at the same time avoids dust accumulation in the air supply fan, has high heat dissipation efficiency and stable performance.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a three-dimensional structural schematic diagram of the air supply fan of the present invention.

Fig. 3 is a schematic diagram of an exploded structure of a transformer, a PCB board and a power supply housing of the present invention.

Fig. 4 is a three-dimensional structural schematic diagram of the transformer, the shielding spacer and the PCB board of the present invention.

Fig. 5 is a schematic diagram of the front view structure of the transformer and PCB board of the present invention.

Reference signs include:

0—transformer

1—skeleton

11—accommodating cavity 12—ventilation gap

2—PCB board

3—copper ring piece

31—ring portion 32—leading end

4—shielding spacer 5—power housing 6—thermal silicone

7—chassis shell 71—back plate 72—side plate

81—exhaust fan 82—air supply fan

9—Power Supply Assembly.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in detail.

As shown in Figures 1 to 5, a computer main chassis assembly for preventing dust accumulation of the present utility model includes a chassis casing 7, the chassis casing 7 is provided with a backboard 71 and side panels 72, and also includes an exhaust fan 81, a power supply The assembly 9 and the blower fan 82 with forward and reverse functions, the blower fan 82 is provided with a plurality, each blower fan 82 is arranged side by side on the side plate 72 of the chassis casing 7, and the exhaust fan 81 is arranged on the side plate of the chassis casing 7 The backplane 71 ; the power supply assembly 9 includes a power supply fan with forward and reverse functions, and the power supply fan is arranged on the backplane 71 and arranged above the exhaust fan 81 . The exhaust fan 81 is used to draw air from the inside of the chassis shell 7 to improve the heat dissipation efficiency inside the chassis shell 7. When the air supply fan 82 rotates forward, it is used to send the cold air outside the chassis shell 7 into the mechanical shell, which is beneficial to The electronic components inside the chassis shell 7 cool down; when dust removal is required, the air supply fan 82 is controlled to reverse, and the air flow direction inside the chassis shell 7 is changed under normal working conditions, so as to achieve dust removal inside the chassis and to the air supply fan 82. Effect. Specifically, the forward and reverse rotation of the blower fan 82 and the power fan can be controlled by the control circuit. The power supply fan is used to draw air from the inside of the power supply assembly 9 when it is rotating forward, and has the effect of self-dust removal when it is turned over. The dust-proof main computer case assembly of the utility model avoids dust inside the case shell 7 and the air-supply fan 82 at the same time, has high heat dissipation efficiency and stable performance.

In order to improve the air blowing efficiency, there are four blowing fans 82 .

Preferably, the power supply assembly 9 also includes a power supply housing 5, a PCB board 2 and a heat-conducting silica gel 6, one side of the PCB board 2 is provided with several electronic components, and the other side of the PCB board 2 passes through the heat-conducting The silica gel 6 is connected to the inner wall of the power supply casing 5; the power supply casing 5 is installed on the chassis casing 7 and arranged above the air supply fan 82, and the power supply fan is installed on the power supply casing 5 and arranged above the PCB board 2; The electronic components include a transformer 0 , and the transformer 0 and the heat-conducting silica gel 6 are respectively arranged on both sides of the PCB board 2 . The thermally conductive silica gel 6 improves the heat dissipation efficiency of the PCB board 2 , especially improves the heat dissipation efficiency of the transformer 0 . The power supply assembly 9 of the utility model has high heat dissipation efficiency and stable performance.

Preferably, the transformer 0 includes a skeleton part 1 and a copper sheet winding, and the interior of the skeleton part 1 is provided with an accommodating cavity 11 for accommodating the copper sheet winding, and the copper sheet winding is arranged in the accommodating cavity 11; the copper sheet winding includes multiple A stacked copper ring piece 3, the copper ring piece 3 is provided with a ring portion 31 and a lead-out end portion 32, the ring portion 31 is arranged inside the accommodating cavity 11, and the lead-out end portion 32 is interference-connected to the PCB board 2. The lead-out end 32 of the utility model is conveniently connected with the PCB board 2 and is convenient for assembly. The lead-out end of the copper sheet winding is a part of the copper ring sheet 3, avoiding the connection between the lead-out end 32 and the winding by soldering, reducing the impedance caused by welding, improving the overall performance of the transformer O of the present utility model, and reducing the welding process. Reduced production costs.

In order to realize multi-stage voltage transformation, there are two, three, four or five copper sheet windings, and each copper sheet winding is arranged side by side along the width direction of the copper ring sheet 3 . The parallel arrangement facilitates heat dissipation and improves the reliability of the transformer O of the utility model. Specifically, there are four copper sheet windings, and the four copper sheet windings are arranged at equal intervals.

Preferably, the transformer 0 further includes a shielding spacer 4 , and the shielding spacer 4 is arranged between the PCB board 2 and the frame member 1 . The shielding spacer 4 prevents the winding from interfering with the electronic components located on the other side of the PCB 2, thereby improving the reliability of the transformer 0.

Preferably, ventilation gaps 12 are provided at the ends of the skeleton component 1 . The ventilation gap 12 facilitates the air flow inside the accommodating cavity 11 , and improves the heat dissipation efficiency of the transformer 0 .

To sum up, it can be seen that the utility model has the above-mentioned excellent characteristics, so that it can improve the performance that is not available in the prior art in use, and has practicality, and becomes a product with great practical value.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (7)

1. preventing a host computer box assembly for laying dust, including cabinet housing (7), cabinet housing (7) is provided with backboard (71) With side plate (72), it is characterised in that: also include extractor fan (81), power supply module (9) and there is the air-supply wind of rotating function Fan (82), Air Blast fan (82) is provided with multiple, and each Air Blast fan (82) is juxtaposed on the side plate (72) of cabinet housing (7), Extractor fan (81) is arranged at the backboard (71) of cabinet housing (7)；Power supply module (9) includes the power supply wind with rotating function Fan, power supply fan is arranged at backboard (71) and is arranged in extractor fan (81) top.

A kind of host computer box assembly preventing laying dust the most according to claim 1, it is characterised in that: described Air Blast fan (82) four it are provided with.

A kind of host computer box assembly preventing laying dust the most according to claim 1, it is characterised in that: described power supply module (9) also including power shell (5), pcb board (2) and heat conductive silica gel (6), the side of described pcb board (2) is provided with several electronics Components and parts, the opposite side of pcb board (2) is connected with the inwall of power shell (5) by described heat conductive silica gel (6)；Power shell (5) Being installed on cabinet housing (7) and be arranged in the top of Air Blast fan (82), power supply fan is installed on power shell (5) and is arranged in The top of pcb board (2)；Described electronic devices and components include that transformator (0), transformator (0) are respectively arranged at heat conductive silica gel (6) The both sides of pcb board (2).

A kind of host computer box assembly preventing laying dust the most according to claim 3, it is characterised in that: described transformator (0) skeleton (1) and copper sheet winding are included, the containing cavity (11) being internally provided with for housing copper sheet winding of skeleton (1), Copper sheet winding is arranged at containing cavity (11)；Copper sheet winding includes the copper ring sheet (3) of multiple arranged stacked, and copper ring sheet (3) is provided with Ring portion (31) and extraction end (32), ring portion (31) is arranged at the inside of containing cavity (11), draws end (32) interference and is plugged in Pcb board (2).

A kind of host computer box assembly preventing laying dust the most according to claim 4, it is characterised in that: described copper sheet winding Being provided with two, three, four or five, each copper sheet winding is arranged in juxtaposition along the width of copper ring sheet (3).

A kind of host computer box assembly preventing laying dust the most according to claim 4, it is characterised in that: described transformator (0) also including shielding partition (4), shielding partition (4) is arranged between pcb board (2) and skeleton (1).

A kind of host computer box assembly preventing laying dust the most according to claim 4, it is characterised in that: described skeleton (1) end is provided with ventilation breach (12).