CN210959195U - Dustproof heat dissipation type casing - Google Patents

Abstract

The utility model discloses a dustproof heat dissipation type casing, including bottom plate, circuit board, heat dissipation casing and wind channel check valve, wherein: the heat dissipation device comprises a base plate, a circuit board and a heat dissipation shell, and is characterized in that connecting holes are correspondingly formed in the base plate, the circuit board and the heat dissipation shell, a heat dissipation fan is arranged on the circuit board and electrically connected with the circuit board, air outlets are formed in the heat dissipation shell, and air duct check valves are arranged at the positions, corresponding to the air outlets, of the outer wall of the heat dissipation shell. The utility model discloses a setting up of wind channel check valve and baffle can be when carrying out the heat dissipation to the casing, prevents inside dust and the mosquito gets into the casing, can protect the vent, avoids inside dust and mosquito directly enter into the device, and then can avoid causing the influence to the use of circuit board.

Description

A dust-proof and heat-dissipating case

technical field

The utility model belongs to the technical field of casings, in particular to a dust-proof and heat-dissipating type casing.

Background technique

The chassis of traditional electronic components is generally made of metal materials, which can provide effective protection for electronic components. With the widespread popularity of electronic components, the application of chassis has also penetrated into every corner of our lives. However, the traditional heat dissipation case has the following problems: First, during the long-term operation of electronic components, the electronic components and circuit boards will inevitably generate a large amount of heat, which will lead to a decrease in the operating efficiency of the equipment over a long period of time. Second, if the traditional heat dissipation case is punched for heat dissipation, although the heat dissipation effect is improved, a new problem arises at the same time, that is, the dust will fall on the electronic components through the heat dissipation holes, and the time It is also easy to cause problems such as short circuit of equipment.

At present, the chassis of electronic components cannot take into account both heat dissipation and dust prevention.

Utility model content

The purpose of this utility model is to provide a dust-proof and heat-dissipating type casing to solve the above-mentioned technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a dust-proof and heat-dissipating type casing, comprising a bottom plate, a circuit board, a heat-dissipating casing and an air duct check valve, wherein:

The bottom plate, the circuit board and the heat dissipation shell are all provided with connection holes correspondingly;

A cooling fan is provided on the circuit board, and the cooling fan is electrically connected to the circuit board;

The cooling shell is provided with air outlet holes, and the outer wall of the cooling shell is provided with an air duct check valve corresponding to the air outlet holes;

The outer wall of the heat dissipation shell is provided with a ventilation opening passing through the shell, and a baffle plate is provided at the outer wall of the heat dissipation shell corresponding to the ventilation opening;

The baffle extends outward to form an inverted "U"-shaped structure, and the length of the inner side of the lower end of the baffle is equal to the length of the vent.

Preferably, the ventilation port is a rectangular through-hole structure, and the ventilation port array is disposed on the heat dissipation housing.

Preferably, the air duct check valve includes an exhaust cylinder, an air hole, a connecting plate, a self-covering plate and a hinge column, and the exhaust cylinder is provided with an air hole and the position and shape of the air hole and the air outlet are the same. Correspondingly, the self-covering plate is movably arranged on the exhaust cylinder through the hinge column, and the self-covering plate can rotate relative to the exhaust cylinder through the hinge column.

Preferably, the connecting plate is fixedly connected to the heat dissipating housing, the outlet end of the exhaust cylinder is arranged at an angle of 17 degrees, and the self-cover plate is arranged at the outlet end of the exhaust cylinder at an angle of 17 degrees.

Preferably, the connection holes are provided with threads, and the bottom plate, the circuit board and the heat dissipation housing can be fixedly connected by connecting bolts.

Preferably, the bottom plate, the circuit board and the heat dissipation shell are correspondingly provided with connection notches.

The technical effects and advantages of the utility model: the dust-proof and heat-dissipating type casing can achieve the effect of radiating heat inside the casing through the cooling fan and the ventilation opening, which can effectively improve the heat dissipation rate of the device and prevent the circuit board inside the casing from Overheating is damaged, and at the same time, the setting of the air duct check valve can prevent dust and mosquitoes from entering the inside of the casing while dissipating heat. Inverted "U"-shaped structure, the baffle can protect the vents, and can play a certain role in dust prevention, preventing dust from directly entering the device, thereby avoiding the impact of dust on the use of the circuit board.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the internal concrete structure schematic diagram of the utility model;

Fig. 3 is the explosion schematic diagram of the utility model;

Fig. 4 is the concrete structural schematic diagram of the air duct check valve of the present invention;

FIG. 5 is a schematic diagram of the specific structure of the ventilation opening and the baffle plate of the present invention.

In the picture: 1- bottom plate, 2- cooling shell, 3- circuit board, 4- air duct check valve, 5- connecting bolt;

11-connection hole, 12-connection slot;

21- air outlet, 22- vent, 23- baffle;

31- cooling fan;

41-exhaust pipe, 42-air hole, 43-connecting plate, 44-self-covering plate, 45-hinge column.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings 1-5 in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not All examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a dust-proof and heat-dissipating type casing as shown in Figures 1-5, comprising a bottom plate 1, a circuit board 3, a heat-dissipating casing 2 and an air duct check valve 4, wherein:

The bottom plate 1 , the circuit board 3 and the heat dissipation shell 2 are respectively provided with connecting holes 11 , and the connecting holes 11 are provided with threads, and the bottom plate 1 , the circuit board 3 and the heat dissipation shell 2 can pass through the connecting bolts 5 . The fixed connection is convenient for the assembly and later maintenance of the casing. It is only necessary to align the connecting holes set on the bottom plate 1, the circuit board 3 and the heat dissipation shell 2, and then screw the connecting bolts 5 into the connecting holes 11 and tighten them. After the casing is assembled, when the casing needs to be disassembled and repaired, the bottom plate 1, the circuit board 3 and the heat dissipation shell 2 can be separated by loosening the connecting bolt 5, which is convenient for assembly and maintenance.

The circuit board 3 is provided with a cooling fan 31 and the cooling fan 31 is electrically connected to the circuit board 3 , the cooling casing 2 is provided with an air outlet 21 and the outer wall of the cooling casing 2 corresponds to the air outlet 21 An air duct check valve 4 is provided, and the cooling fan 31 can blow the heat inside the casing out of the air outlet 21 to prevent heat accumulation inside the casing and achieve the purpose of dissipating heat inside the casing. 4 It can prevent dust and mosquitoes from entering the inside of the casing while cooling the casing;

The outer wall of the heat dissipation shell 2 is provided with a ventilation port 22 which penetrates the shell, and a baffle plate 23 is disposed on the outer wall of the heat dissipation shell 2 corresponding to the ventilation port 22, and the baffle plate 23 extends outward in an inverted "U" shape. And the length of the inner side of the lower end of the baffle 23 is equal to the length of the vent 22, which can protect the vent 22, and can play a certain dustproof effect to prevent dust from directly entering the casing, thereby preventing dust from being used on the circuit board 3. As a result, in the process of heat dissipation of the circuit board 3, the ventilation opening 22 can prevent dust from entering the inside of the casing while performing normal ventilation.

Specifically, the air vents 22 are rectangular through-hole structures, and the air vents 22 are arranged in the heat dissipation housing 2 in an array.

Specifically, the air duct check valve 4 includes an exhaust cylinder 41, an air hole 42, a connecting plate 43, a self-covering plate 44 and a hinge column 45. The connecting plate 43 can be connected to the The heat dissipation housing 2 is fixedly connected to the outside, the exhaust cylinder 41 is provided with an air hole 42 and the air hole 42 corresponds to the position and shape of the air outlet 21 , and the self-cover plate 44 is movably arranged on the exhaust through the hinge 45 . The air cylinder 41 and the self-covering plate 44 can rotate clockwise relative to the exhaust cylinder 41 through the hinge 45 .

Specifically, the connecting plate 43 is fixedly connected to the heat dissipation housing 2 , the outlet end of the exhaust cylinder 41 is arranged at an angle of 17 degrees, and the self-cover plate 44 is arranged at the outlet end of the exhaust cylinder 41 at an angle of 17 degrees , when the cooling fan 31 dissipates heat inside the casing, the wind generated by the rotation of the cooling fan 31 will blow away the cover plate 44, blowing out the hot air inside the casing through the air hole 42, and dissipating heat inside the casing, and the hot air When the dust is blown out through the air hole 42, the dust will not enter the inside of the casing, and the cooling fan is provided with a PLC controller and a temperature detection module can be set inside the PLC controller. The temperature detection module detects that the temperature inside the casing is too high. At this time, the PLC controller can control the cooling fan 31 to start to dissipate heat inside the casing. When the temperature detection module detects that the temperature inside the casing is lower than a predetermined threshold, the PLC controller can control the cooling fan 31 to turn off to save electricity.

When the cooling fan 31 stops rotating, since the self-cover plate 44 is arranged at an angle of 17 degrees, the self-cover plate 44 can be automatically closed under the action of gravity, which can effectively prevent dust from entering the interior of the casing.

Specifically, the bottom plate 1 , the circuit board 3 and the heat dissipating casing 2 are correspondingly provided with connecting notches 12 , which can facilitate the installation of the position of the casing.

Specifically, devices such as a power interface, a network interface, and a power switch can be provided at the bottom of the base plate 1 or on the left and right sides of the heat dissipation housing according to specific usage conditions.

Working principle: The dust-proof and heat-dissipating casing will generate a lot of heat inside the casing in summer. At this time, the PLC controller will automatically start the cooling fan 31, and the wind generated by the rotation of the cooling fan 31 will blow the self-cover plate 44 open. , the hot air inside the casing is blown out through the air hole 42 to dissipate heat inside the casing, and the hot air is blown out through the air hole 42 while dust will not enter the inside of the casing, and the air vent 22 will play a dustproof role at the same time. The main board is dissipated; when the internal temperature of the casing is lower than the predetermined threshold, the PLC controller can control the cooling fan 31 to close, and the self-cover 44 can be automatically closed under the action of gravity, which can effectively prevent dust from entering the casing and dissipate heat. The air vents 22 provided on the casing 2 can radiate heat to the main board while playing a dustproof role. The utility model can effectively prevent dust from falling onto the circuit board 3 inside the casing from the through holes while ensuring heat dissipation, preventing the Dust accumulation causes problems such as equipment short circuit. In summary, the present invention can prevent dust from entering the inside of the device while enabling normal ventilation and heat dissipation.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (6)

1. A dust-proof and heat-dissipating type casing, comprising a base plate (1), a circuit board (3), a heat-dissipating housing (2) and an air duct check valve (4), characterized in that: The bottom plate (1), the circuit board (3) and the heat dissipation housing (2) are provided with connection holes (11) correspondingly; A cooling fan (31) is provided on the circuit board (3), and the cooling fan (31) is electrically connected to the circuit board (3); An air outlet (21) is provided on the heat dissipation housing (2), and an air duct check valve (4) is provided at the outer wall of the heat dissipation housing (2) corresponding to the air outlet (21); The outer wall of the heat dissipation housing (2) is provided with a ventilation opening (22) penetrating the housing, and a baffle plate (23) is provided on the outer wall of the heat dissipation housing (2) corresponding to the ventilation opening (22); The baffle plate (23) extends outward to form an inverted "U"-shaped structure, and the length of the inner side of the lower end of the baffle plate (23) is equal to the length of the vent (22). 2. A dust-proof and heat-dissipating type casing according to claim 1, characterized in that: the air vents (22) are of a rectangular through-hole structure and an array of the air vents (22) is arranged on the heat-dissipating housing (2). ). 3. A dust-proof and heat-dissipating type casing according to claim 1, characterized in that: the air duct check valve (4) comprises an exhaust cylinder (41), an air hole (42), a connecting plate (43) ), from the cover plate (44) and the hinge column (45), the exhaust cylinder (41) is provided with an air hole (42) and the air hole (42) corresponds to the position and shape of the air outlet (21) , the self-covering plate (44) is movably arranged on the exhaust cylinder (41) through the hinge (45), and the self-covering plate (44) can rotate relative to the exhaust cylinder (41) through the hinge (45) . 4. A dust-proof and heat-dissipating type casing according to claim 3, characterized in that: the connecting plate (43) is fixedly connected to the heat-dissipating housing (2), and the outlet end of the exhaust cylinder (41) is in the shape of a The included angle is 17 degrees, and the self-cover plate (44) is arranged at the outlet end of the exhaust cylinder (41) at an included angle of 17 degrees. 5. A dust-proof and heat-dissipating type chassis according to claim 1, characterized in that: the connecting hole (11) is provided with a thread and the bottom plate (1), the circuit board (3) and the heat-dissipating housing are (2) It can be fixedly connected by connecting bolts (5). 6. A dust-proof and heat-dissipating type casing according to claim 1, characterized in that: the bottom plate (1), the circuit board (3), and the heat-dissipating shell (2) are correspondingly provided with connecting notches (12). ).

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