CN209806163U - Novel circuit board structure convenient to heat dissipation - Google Patents

Abstract

The utility model discloses a novel circuit board structure convenient to heat dissipation, including fixed plate, fixed orifices, louvre, supporting seat, circuit board body, fixing bolt, connecting block, inlet, motor, cooling tube, liquid outlet, flabellum, connecting hole, first draw-in groove, screw hole, fixture block, second draw-in groove, rubber pad and through-hole. The cooling liquid forms a flowing circulation mode from the liquid inlet, the cooling pipe and the liquid outlet by using cooling liquid supply equipment, so that part of heat generated by the circuit board body can be absorbed by the cooling liquid in the cooling pipe, and the heat in the circuit board body is exhausted to the outside through the heat dissipation holes by matching with fan blade air blowing; the lead wire penetrates through the inside of the connecting hole, the clamping block is clamped in the first clamping groove, the clamping block and the connecting block are fixed through the screw, and the rubber pad is arranged in the second clamping groove in the surface of the clamping block, so that the lead wire penetrating through the connecting hole can be fixed under the extrusion action of the rubber pad.

Description

A New Circuit Board Structure for Heat Dissipation

technical field

The utility model relates to a circuit board structure, in particular to a novel circuit board structure convenient for heat dissipation, and belongs to the technical field of circuit board applications.

Background technique

The names of the circuit boards are: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin Thin circuit boards and printed circuit boards, etc.; circuit boards make circuits miniaturized and intuitive, and play an important role in mass production of fixed circuits and optimizing the layout of electrical appliances. Circuit boards can be called printed circuit boards or printed circuit boards. The English name is FPC circuit board; circuit board, also known as flexible circuit board, is a highly reliable and excellent flexible printed circuit board made of polyimide or polyester film as the base material.

In the prior art, when the circuit board is installed inside the case, it is relatively simple, and the lead wires extending on the surface of the circuit board are generally placed freely. The contact point of the board will fall off, and when the circuit board is in use, the components on its surface will generate a lot of heat. When the heat is too large, it may cause damage to the components and reduce its service life. Therefore, in view of the above problems, a novel circuit board structure that facilitates heat dissipation is proposed.

Utility model content

The purpose of this utility model is to provide a new circuit board structure that is convenient for heat dissipation in order to solve the above problems.

The utility model achieves the above object through the following technical solutions, a novel circuit board structure that is convenient for heat dissipation, including a fixed structure, a circuit board body, a support seat and a heat dissipation structure installed sequentially from outside to inside;

Both sides of the support seat are fixedly connected with fixing plates, and the upper surface of the fixing plate is provided with fixing holes; the circuit board body is arranged on the top of the support seat, and the circuit board body is fixed by Bolts are fixedly connected to the top of the support seat;

The fixing structure includes a connecting block, a first clamping slot, a clamping block and a second clamping slot, the connecting block is fixedly connected to one side of the support seat, and a connecting hole is opened on the upper surface of the connecting block, so that The first card slot is opened on the outer side of the connecting block, and the connecting hole communicates with the inside of the first card slot; the inner wall of the first card slot is provided with a threaded hole, and the card block The second card slot is opened on one side, and a rubber pad is fixed inside the second card slot, through holes are opened at both ends of one side of the card block, and the card block is connected to the The blocks are fixedly connected by bolts;

The heat dissipation structure includes a heat dissipation hole, a liquid inlet, a motor, a cooling pipe, and a liquid outlet. The two ends of the support seat, the cooling pipe is fixed inside the support seat, and the liquid inlet and the liquid outlet are connected to the inside of the cooling pipe; the motor is fixed On the side wall of the support seat, and the end of the output shaft of the motor is sleeved with fan blades;

Through the mutual cooperation of the motor, the cooling pipe and the heat dissipation hole, the cooling liquid is circulated and output from the liquid inlet and the liquid outlet to the inside of the cooling pipe by using the delivery device, and then passed through The motor drives the fan blades to rotate to discharge the heat generated by the circuit board body from the cooling holes to the outside, thereby achieving the purpose of heat dissipation.

Preferably, there are two fixing plates, which are symmetrically distributed on both sides of the support seat.

Preferably, the inside of the support base is a hollow structure, and the heat dissipation holes are evenly distributed on one side of the support base.

Preferably, the cooling pipe is in an annular structure, and its top is attached to the bottom of the circuit board body.

Preferably, both the first clamping slot and the clamping block have a rectangular structure, and the dimensions between them match.

Preferably, the second clamping slots are arc-shaped and equidistantly distributed on the sides of the clamping block.

The beneficial effects of the utility model are:

1. The utility model is provided with a cooling pipe inside the support seat, and the cooling liquid is formed into a circulating mode of flow from the liquid inlet, the cooling pipe and the liquid outlet by using the cooling liquid supply equipment, so that the heat generated by the circuit board body can be partially It is absorbed by the cooling liquid inside the cooling pipe, and then cooperates with the blowing of the fan blades to discharge the internal heat to the outside through the cooling holes, which enhances the cooling effect;

2. The utility model is provided with a connection block on the surface of the support seat, the lead wire can be passed through the inside of the connection hole, and then the block is engaged in the first slot, and the block and the connection block are fixed by using screws , because the rubber pad is installed inside the second slot on the surface of the block, under the extrusion of the rubber pad, the lead wire passing through the connection hole can be fixed, avoiding the easy loosening of the contact point between the lead wire and the circuit board body and shedding phenomenon.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a partial sectional view of the utility model;

Fig. 3 is the enlarged schematic view of the structure at A in Fig. 1;

Fig. 4 is a schematic diagram of the block structure of the utility model.

In the figure: 1. Fixing plate, 2. Fixing hole, 3. Cooling hole, 4. Support seat, 5. Circuit board body, 6. Fixing bolt, 7. Connection block, 8. Liquid inlet, 9. Motor, 10 , cooling pipe, 11, liquid outlet, 12, fan blade, 13, connection hole, 14, first slot, 15, threaded hole, 16, block, 17, reset chamber, 18, rubber pad, 19, through hole.

Detailed ways

In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model embodiment will be clearly and completely described below in conjunction with the accompanying drawings in the utility model embodiment, Apparently, the embodiments described below are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on the The orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a reference to the utility model. limits.

Please refer to Figure 1-4, a new type of circuit board structure that is convenient for heat dissipation, including a fixed structure, a circuit board body 5, a support seat 4 and a heat dissipation structure installed sequentially from outside to inside;

Both sides of the support seat 4 are fixedly connected with a fixed plate 1, and the upper surface of the fixed plate 1 has a fixed hole 2; the circuit board body 5 is arranged on the top of the support seat 4, and the The circuit board body 5 is affixed to the top of the support seat 4 through a fixing bolt 6;

The fixing structure includes a connecting block 7, a first clamping slot 14, a clamping block 16 and a second clamping slot 17, and the connecting block 7 is fixedly connected to one side of the supporting base 4, and the top of the connecting block 7 There is a connection hole 13 on the surface, and the first card slot 14 is set on the outer side of the connection block 7, and the connection hole 13 and the first card slot 14 communicate with each other; the first card slot 14 There is a threaded hole 15 on the inner wall of the block 16, and the second card slot 17 is opened on one side of the block 16, and a rubber pad 18 is fixed inside the second block 17, and the block 16 Both ends of one side are provided with through holes 19, and the clamping block 16 and the connecting block 7 are fixedly connected by bolts;

The heat dissipation structure includes a heat dissipation hole 3, a liquid inlet 8, a motor 9, a cooling pipe 10, and a liquid outlet 11. The liquid outlets 11 are respectively affixed to the two ends of the support base 4, the cooling pipe 10 is affixed to the inside of the support base 4, and the liquid inlet 8 and the liquid outlet 11 are both It communicates with the inside of the cooling pipe 10; the motor 9 is fixed on the side wall of the support base 4, and the end of the output shaft of the motor 9 is sleeved with a fan blade 12;

Through the mutual cooperation of the motor 9, the cooling pipe 10 and the heat dissipation hole 3, the cooling liquid is sent from the liquid inlet 8 and the liquid outlet 11 to the cooling pipe 10 using a feeding device. The internal circulation is output, and then the fan blade 12 is driven to rotate by the motor 9 to discharge the heat generated by the circuit board body 5 from the heat dissipation hole 3 to the outside, thereby achieving the purpose of heat dissipation.

The number of the fixing plates 1 is two, and they are symmetrically distributed on both sides of the support base 4, which is convenient for fixing the support base 4 inside the chassis; the inside of the support base 4 is a hollow structure, and the heat dissipation The holes 3 are evenly distributed on one side of the support seat 4, which is convenient for the installation of its internal structure; the cooling pipe 10 is a ring structure, and its top and the bottom of the circuit board body 5 are attached to each other, which is convenient for the circuit board. The heat on the surface of the plate body 5 is poured into the inside of the cooling pipe 10; the first clamping groove 14 and the clamping block 16 are both rectangular structures, and the dimensions between the two are matched to facilitate the clamping block 16 It is fixed inside the first clamping slot 14 by screws, so that the rubber pad 18 fixes the lead wires; the second clamping slot 17 is an arc-shaped structure, and is equidistantly distributed on the side of the clamping block 16, It is convenient to engage the second locking groove 17 on the surface of the lead wire.

When the utility model is in use, the electrical components appearing in the application are all externally connected to the power supply and the control switch. First, the support base 4 is fixed at the installation position inside the cabinet by the fixing plate 1, and then the circuit board body 5 is fixed by The screw is fixed on the top of the support base 4, and the side of the support base 4 is provided with a connection block 7, the lead wire can be passed through the inside of the connection hole 13, and then the clamp block 16 is engaged in the inside of the first clamping groove 14. By using The screw fixes the clamping block 16 and the connecting block 7. Since the rubber pad 18 is installed inside the second draw-in groove 17 on the surface of the clamping block 16, under the extrusion of the rubber pad 18, the lead wire passing through the connecting hole 13 can be Squeeze and fix, avoiding the phenomenon that the contact point between the lead wire and the circuit board body 5 is prone to loosening and falling off;

By using the cooling liquid supply equipment to make the cooling liquid flow from the liquid inlet 8, the cooling pipe 10 and the liquid outlet 11, the heat generated by the circuit board body 5 can be partially absorbed by the cooling liquid inside the cooling pipe 10, and then Cooperate with the motor 9 to drive the fan blades 12 to blow air to discharge the internal heat to the outside through the cooling holes 3, thereby enhancing the cooling effect.

What motor 9 adopts is the DK12C model provided by Xiuweier home building materials franchise store and its related supporting power supply and circuit.

The circuits, electronic components and modules involved are all existing technologies, which can be realized by those skilled in the art. Needless to say, the content protected by the utility model does not involve the improvement of software and methods.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of the required equivalent requirements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it still can Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model .

Claims (6)

1. A new type of circuit board structure that facilitates heat dissipation, characterized in that: it includes a fixed structure, a circuit board body (5), a support seat (4) and a heat dissipation structure installed sequentially from outside to inside; Both sides of the support seat (4) are fixedly connected with fixing plates (1), and the upper surface of the fixing plate (1) is provided with fixing holes (2); the circuit board body (5) is located on The top of the support seat (4), and the circuit board body (5) is fixedly connected to the top of the support seat (4) by fixing bolts (6); The fixing structure includes a connection block (7), a first card slot (14), a card block (16) and a second card slot (17), and the connection block (7) is fixed on the support seat (4) On one side of the connecting block (7), a connecting hole (13) is opened on the upper surface of the connecting block (7), the first card slot (14) is opened on the outer side of the connecting block (7), and the connecting hole (13) communicates with the inside of the first card slot (14); the inner wall of the first card slot (14) is provided with a threaded hole (15), and one side of the card block (16) is provided with The second card slot (17), a rubber pad (18) is fixed inside the second card slot (17), and through holes (19) are opened at both ends of one side of the card block (16) , and the clamping block (16) is fixedly connected to the connecting block (7) by bolts; The heat dissipation structure includes a heat dissipation hole (3), a liquid inlet (8), a motor (9), a cooling pipe (10) and a liquid outlet (11), and the heat dissipation hole (3) is opened on the support base ( 4), the liquid inlet (8) and the liquid outlet (11) are respectively fixed on the two end faces of the support seat (4), and the cooling pipe (10) is fixed on the The inside of the support seat (4), and the liquid inlet (8) and the liquid outlet (11) are connected to the inside of the cooling pipe (10); the motor (9) is fixed on the On the side wall of the support seat (4), and the end of the output shaft of the motor (9) is sleeved with a fan blade (12); Through the cooperation of the motor (9), the cooling pipe (10) and the heat dissipation hole (3), it is realized that the cooling liquid is sent from the liquid inlet (8) to the liquid outlet by using the feeding device. The port (11) circulates to the inside of the cooling pipe (10), and then drives the fan blade (12) to rotate through the motor (9) to dissipate the heat generated by the circuit board body (5) from the cooling hole (3) Discharge to the outside, in order to achieve the purpose of heat dissipation. 2. A new circuit board structure that facilitates heat dissipation according to claim 1, characterized in that: the number of the fixing plates (1) is two, and they are symmetrically distributed on both sides of the support base (4) . 3. A new circuit board structure that facilitates heat dissipation according to claim 1, characterized in that: the inside of the support seat (4) is a hollow structure, and the heat dissipation holes (3) are evenly distributed on the support seat (4) side profile. 4. A new type of circuit board structure that facilitates heat dissipation according to claim 1, characterized in that: the cooling pipe (10) is a ring structure, and its top and the bottom of the circuit board body (5) are attached to each other . 5. A new type of circuit board structure that facilitates heat dissipation according to claim 1, characterized in that: the first slot (14) and the block (16) are both rectangular structures, and between them size matches. 6. A new circuit board structure that facilitates heat dissipation according to claim 1, characterized in that: the second card slot (17) is an arc-shaped structure, and is equidistantly distributed on the sides of the card block (16). side.