CN212970252U - Circuit board with good heat dissipation - Google Patents

Abstract

The utility model discloses a circuit board with good heat dissipation, which comprises a shell, wherein a support plate is welded at the bottom of the shell, a first groove is arranged inside the support plate, a fourth through hole is arranged at the center of the lower surface of the shell, the inner side wall of the shell is in threaded connection with radiating fins which are uniformly arranged at equal intervals, the temperature inside the shell is converted into a signal through a temperature sensor and is transmitted to a controller, when the temperature inside the shell is overhigh, the switch group is electrified through the controller, so that a motor is started, the fan blades are driven to rotate through the motor, the heat dissipation is carried out on the inside of the shell, the user does not need to manually electrify the fan blades, and the user can conveniently observe the temperature value inside the shell through the arrangement of the controller, so that the circuit board is convenient for the user to use, and the circuit board is used by combining the, the circuit board is better dispelled the heat, avoids the circuit board to receive the damage because of high temperature.

Description

Circuit board with good heat dissipation

Technical Field

The utility model relates to a circuit board cooling device technical field specifically is a circuit board that the heat dissipation is good.

Background

As is known, a conductive pattern formed by making a printed circuit, a printed element, or a combination of both on an insulating material in a predetermined design is generally called a printed circuit. And a conductive pattern on the insulating substrate that provides electrical connection between the components is called a printed wiring. Thus, the finished board of the printed circuit or the printed circuit is called a printed circuit board, also called a printed board or a printed circuit board, the board which is provided with a plurality of small parts in the electric appliance is called a circuit board, the circuit board is a provider for electrical connection of electronic components, the circuit board adopting the PCB has the main advantages of greatly reducing errors of wiring and assembly, improving the automation level and the production labor rate, the pressing in the production and processing of the PCB is one of the important steps, and the pressing of the inner layer circuit board of the PCB is to respectively press PP films and aluminum foils on two sides of the inner layer circuit board to form a multilayer circuit board; the invention is disclosed in China: CN210694763U discloses a circuit board heat dissipation mechanism, which can discharge a part of heat dissipated from a circuit board through a heat dissipation ring on a heat dissipation cover and then discharge the heat through fan blades on a fan by using a heat dissipation cover, so as to achieve dual heat dissipation effects, thereby improving the heat dissipation effect of the main body of the heat dissipation mechanism, increasing the service life of the circuit board, and being beneficial to people, but having certain problems; the device is used for discharging heat through the fan, but the fan needs a user to electrify the device, and the device is inconvenient for the user to observe the heat dissipated from the circuit board and use the heat, so that the device can not radiate the circuit board better, and the circuit board is damaged due to high temperature easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a circuit board that the heat dissipation is good.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a circuit board with good heat dissipation comprises a shell, a support plate welded at the bottom of the shell, a first groove arranged inside the support plate, the center of the lower surface of the shell is provided with a fourth through hole, the inner side wall of the shell is in threaded connection with radiating fins which are uniformly arranged at equal intervals, two supporting rods are symmetrically welded on two sides of the inner bottom wall of the shell, sleeves are welded on the tops of the supporting rods, the outer side wall of the sleeve is provided with a motor, the output shaft of the motor penetrates through the inside of the sleeve and is fixedly connected with a rotating shaft, the outer side wall of the rotating shaft is welded with fan blades which are arranged at equal intervals and in a circumferential manner, the inner top wall of the shell is provided with a temperature sensor, the controller is installed to the lateral wall of casing, the second through-hole of equidistance align to grid is seted up to the upper surface of casing, two first through-holes have been seted up to the lateral wall symmetry of casing.

Preferably, the upper surface threaded connection of casing has the second filter screen, the casing is close to the lateral wall symmetry threaded connection of first through-hole has two first filter screens, two third through-holes have been seted up to the lower surface symmetry of backup pad.

Preferably, the outer side wall of the controller is fixedly connected with a switch group, the signal output end of the temperature sensor is in signal connection with the signal input end of the controller through a wire, the electrical output end of the controller is in electrical connection with the electrical input end of the switch group through a wire, and the electrical output end of the switch group is respectively in electrical connection with the electrical input ends of the two motors through wires.

Preferably, the inside symmetry threaded connection of backup pad has two threaded rods, the one end of threaded rod is rotated through the bearing and is connected with the grip block, the inside wall fixedly connected with conducting strip of grip block.

Preferably, the front surface of the shell is hinged with a door body through a hinge, and a handle is welded on the front surface of the door body.

Preferably, the front surface welding of handle has the fixed block, the second recess has been seted up to the inside of fixed block, the inside wall of second recess articulates there is the buckle, the draw-in groove has been seted up to the front surface of casing.

(III) advantageous effects

Compared with the prior art, the utility model provides a circuit board that heat dissipation is good possesses following beneficial effect:

this circuit board that heat dissipation is good, through temperature sensor with the inside temperature conversion of casing for the signal and transmit to the controller in, when the inside high temperature of casing, switch on to the switch block through the controller, thereby starter motor, it is rotatory to drive the flabellum through the motor, make its inside to the casing dispel the heat, do not need the manual work of user to switch on it, and through the setting of controller, the person of facilitating the use observes the inside temperature value of casing, make this device person of facilitating the use, and this device passes through the combined use of fin and conducting strip, the better dispels the heat to the circuit board, avoid the circuit board to receive the damage because of high temperature.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic circuit diagram of the present invention.

In the figure: 1. a housing; 2. a support plate; 4. a threaded rod; 5. a first filter screen; 6. a first through hole; 7. a second through hole; 8. a second filter screen; 9. a temperature sensor; 10. a sleeve; 11. a fan blade; 12. a motor; 13. a rotating shaft; 14. a support bar; 16. a heat sink; 17. a switch group; 18. a controller; 19. a third through hole; 20. a clamping plate; 21. a heat conductive sheet; 22. a first groove; 23. a door body; 24. a handle; 25. a fixed block; 26. buckling; 27. a card slot; 28. a second groove; 29. and a fourth via.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a circuit board that heat dissipation is good, which comprises a housin 1, casing 1's bottom welding has backup pad 2, first recess 22 has been seted up to backup pad 2's inside, fourth through-hole 29 has been seted up to casing 1's lower surface center department, casing 1's inside wall threaded connection has equidistance align to grid's fin 16, casing 1's interior diapire bilateral symmetry welding has two bracing pieces 14, the top welding of bracing piece 14 has sleeve pipe 10, motor 12 is installed to sleeve pipe 10's lateral wall, motor 12's output shaft runs through in sleeve pipe 10's inside and fixedly connected with pivot 13, pivot 13's lateral wall welding has the flabellum 11 of equidistance circumference range, temperature sensor 9 is installed to casing 1's interior roof, controller 18 is installed to casing 1's lateral wall, equidistant align to grid's second through-hole 7 has been seted.

In this embodiment, specifically: the upper surface threaded connection of casing 1 has second filter screen 8, and casing 1 is close to the lateral wall symmetry threaded connection of first through-hole 6 and has two first filter screens 5, and two third through-holes 19 have been seted up to the lower surface symmetry of backup pad 2, through the setting of second filter screen 8 and first filter screen 5, avoids the dust to fall into second through-hole 7 and first through-hole 6 to prevent that the dust from getting into casing 1's inside.

In this embodiment, specifically: the lateral wall fixedly connected with switch group 17 of controller 18, the signal output part of temperature sensor 9 passes through the signal input part signal connection of wire and controller 18, the electrical output part of controller 18 passes through the electrical input part electric connection of wire and switch group 17, the electrical output part of switch group 17 passes through the wire respectively with the electrical input part electric connection of two motors 12, convert the temperature into the signal and transmit to controller 18 through temperature sensor 9, switch group 17 is switched on through controller 18, control the start and the closing of motor 12 through switch group 17.

In this embodiment, specifically: the inside symmetry threaded connection of backup pad 2 has two threaded rods 4, and the one end of threaded rod 4 is rotated through the bearing and is connected with grip block 20, and the inside wall fixedly connected with conducting strip 21 of grip block 20 through the setting of threaded rod 4 for grip block 20 can remove in first recess 22, thereby carries out the centre gripping to the circuit board and fixes, through the setting of conducting strip 21, improves the radiating effect to the circuit board.

In this embodiment, specifically: the front surface of casing 1 has a door body 23 through the hinge is articulated, and the front surface welding of door body 23 has handle 24, through the setting of door body 23 for protect the circuit board of casing 1 inside, avoid the circuit board to receive the collision, through the setting of handle 24, convenient to use person rotates door body 23.

In this embodiment, specifically: the front surface welding of handle 24 has fixed block 25, and second recess 28 has been seted up to the inside of fixed block 25, and the inside wall of second recess 28 articulates there is buckle 26, and draw-in groove 27 has been seted up to the front surface of casing 1, through rotating buckle 26 to the inside of draw-in groove 27 for carry out the joint between buckle 26 and the draw-in groove 27, thereby fix the door body 23.

In this embodiment, specifically: the type of the temperature sensor 9 is: JPT 100.

In this embodiment, specifically: the controller 18 is of the type: MH 1210B.

To sum up, the working principle and the working process of the circuit board with good heat dissipation are that when the circuit board is used, a worker inserts the circuit board into the fourth through hole 29 and the third through hole 19, then simultaneously rotates the two threaded rods 4, the clamping plate 20 is driven to horizontally displace by the rotation of the threaded rods 4, so that the circuit board is clamped and fixed by the clamping plate 20, when the temperature generated by the circuit board is too high, the temperature is converted into a signal by the temperature sensor 9 and is conveyed into the controller 18, the switch group 17 is electrified by the controller 18, the motor 12 is started by the switch group 17, the output shaft of the motor 12 drives the rotating shaft 13 to rotate, the fan blades 11 are driven to rotate by the rotation of the rotating shaft 13, so that cold air is blown to the circuit board, the heat dissipation is performed on the circuit board, and the air in the shell 1 is blown out through the second through hole 7, outside cold air enters the inside of the shell 1 through the first through hole 6, so that the circuit board is better cooled, and the cooling effect of the circuit board is improved through the arrangement of the cooling fins 16 and the heat conducting fins 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a circuit board that heat dissipation is good, includes casing (1), its characterized in that: the bottom welding of casing (1) has backup pad (2), first recess (22) have been seted up to the inside of backup pad (2), the lower surface center department of casing (1) has seted up fourth through-hole (29), the inside wall threaded connection of casing (1) has fin (16) of equidistance align to grid, the interior diapire bilateral symmetry welding of casing (1) has two bracing pieces (14), the top welding of bracing piece (14) has sleeve pipe (10), motor (12) is installed to the lateral wall of sleeve pipe (10), the output shaft of motor (12) runs through the inside of sleeve pipe (10) and fixedly connected with pivot (13), the lateral wall welding of pivot (13) has flabellum (11) of equidistance circumference array, temperature sensor (9) are installed to the interior roof of casing (1), controller (18) are installed to the lateral wall of casing (1), the upper surface of the shell (1) is provided with second through holes (7) which are uniformly arranged at equal intervals, and the outer side wall of the shell (1) is symmetrically provided with two first through holes (6).

2. The circuit board with good heat dissipation according to claim 1, wherein: the upper surface threaded connection of casing (1) has second filter screen (8), casing (1) is close to the lateral wall symmetry threaded connection of first through-hole (6) has two first filter screens (5), two third through-holes (19) have been seted up to the lower surface symmetry of backup pad (2).

3. The circuit board with good heat dissipation according to claim 1, wherein: the outer side wall of the controller (18) is fixedly connected with a switch group (17), the signal output end of the temperature sensor (9) is in signal connection with the signal input end of the controller (18) through a lead, the electrical output end of the controller (18) is in electrical connection with the electrical input end of the switch group (17) through a lead, and the electrical output end of the switch group (17) is in electrical connection with the electrical input ends of the motors (12) through leads.

4. The circuit board with good heat dissipation according to claim 1, wherein: the internal symmetrical threaded connection of backup pad (2) has two threaded rods (4), the one end of threaded rod (4) is rotated through the bearing and is connected with grip block (20), the inside wall fixedly connected with heat conduction piece (21) of grip block (20).

5. The circuit board with good heat dissipation according to claim 1, wherein: the front surface of the shell (1) is hinged with a door body (23) through a hinge, and a handle (24) is welded on the front surface of the door body (23).

6. The circuit board with good heat dissipation according to claim 5, wherein: the front surface welding of handle (24) has fixed block (25), second recess (28) have been seted up to the inside of fixed block (25), the inside wall of second recess (28) articulates there is buckle (26), draw-in groove (27) have been seted up to the front surface of casing (1).

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