CN215121310U

CN215121310U - High temperature resistant PCB circuit board

Info

Publication number: CN215121310U
Application number: CN202121309088.7U
Authority: CN
Inventors: 罗小平
Original assignee: Shenzhen Haihui Shengmaite Technology Co ltd
Current assignee: Shenzhen Haihui Shengmaite Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-10
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a high temperature resistant PCB circuit board, which comprises a substrate layer, a bottom plate and a high temperature resistant layer, and is characterized in that the top end of the substrate layer is fixedly connected with the bottom end of a corrosion resistant insulating layer, the top end of the corrosion resistant insulating layer is fixedly connected with the bottom end of the high temperature resistant layer, the top end of the high temperature resistant layer is fixedly connected with the bottom end of a wear resistant protective layer, the bottom end of the substrate layer is fixedly connected with the top end of a heat conducting layer, the bottom end of the heat conducting layer is fixedly connected with the top end of a heat radiating metal plate, the two ends of the substrate layer are respectively fixedly connected with one side of a clamping fixed block, the other side of the clamping fixed block is respectively movably connected with a long rod, the bottom end of the long rod is respectively fixedly connected with the top end of a rubber cushion block, the bottom end of the rubber cushion block is respectively fixedly connected with the two sides of the top end of the bottom plate, exhaust fans are respectively installed around the top end of the bottom plate, the fixed plate is fixedly connected with the top end of the bottom plate, and the two sides of the bottom plate are respectively provided with air inlet holes, the air inlet is communicated with the bottom end pipeline of the exhaust fan. The utility model discloses simple structure, convenient operation.

Description

High temperature resistant PCB circuit board

Technical Field

The utility model relates to a circuit board technical field particularly, relates to a high temperature resistant PCB circuit board.

Background

The circuit board divides into single-sided board, double-sided board and multilayer circuit board according to the number of piles, and the circuit board is also called the circuit board, and the circuit board makes the circuit miniaturisation and direct-viewing, plays important effect with electrical apparatus overall arrangement to fixed circuit's batch production and optimization, but current circuit board is relatively poor because high temperature resistant performance, after working a period, can cause the damage because of the heat that electronic components produced to the life of circuit board has been shortened, the practicality and the usability of circuit board have been reduced, be unfavorable for people's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant PCB circuit board to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant PCB circuit board comprises a substrate layer, a bottom plate and a high-temperature-resistant layer, and is characterized in that the top end of the substrate layer is fixedly connected with the bottom end of a corrosion-resistant insulating layer, the top end of the corrosion-resistant insulating layer is fixedly connected with the bottom end of the high-temperature-resistant layer, the top end of the high-temperature-resistant layer is fixedly connected with the bottom end of a wear-resistant protective layer, the bottom end of the substrate layer is fixedly connected with the top end of a heat-conducting layer, the bottom end of the heat-conducting layer is fixedly connected with the top end of a heat-radiating metal plate, the two ends of the substrate layer are respectively fixedly connected with one side of a clamping fixing block, the other side of the clamping fixing block is respectively movably connected with a long rod, the bottom ends of the long rods are respectively fixedly connected with the top ends of rubber cushion blocks, the bottom ends of the rubber cushion blocks are respectively fixedly connected with the two sides of the top end of the bottom plate, exhaust fans are respectively installed around the top end of the bottom plate, and the middle part of each exhaust fan is connected with the middle part of a fixing plate in a buckling manner, the fixed plate is fixedly connected with the top end of the bottom plate, and air inlet holes are formed in two sides of the bottom plate respectively.

Further, the filter screen is installed respectively to the inside of inlet port, air exhauster and power electric connection, be equipped with the metal copper wire net in the intermediate layer of heat-conducting layer, the crossing department in both ends of centre gripping fixed block and substrate layer installs shock attenuation gasket, the inlet port with the bottom pipeline intercommunication of air exhauster, the spring is installed to the middle part of stock, the top of spring with centre gripping fixed block fixed connection, the bottom of spring with the middle part fixed connection of stock.

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

the utility model discloses a wear-resisting protective layer can protect the substrate layer not receive wearing and tearing, and when high temperature resistant layer and corrosion-resistant insulating layer can make the circuit board have good high temperature resistance, also have good wear-resisting, corrosion-resistant and antistatic properties. Meanwhile, the long rod and the spring improve the damping capacity of the device, and the exhaust fan cools the bottom end of the device, so that the heat dissipation rate of the circuit board is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic overall cross-sectional view of a high temperature resistant PCB circuit board;

fig. 2 is a schematic plan view of a pin body of a high temperature resistant PCB.

Reference numerals:

1. a wear-resistant protective layer; 2. a high temperature resistant layer; 3. a corrosion-resistant insulating layer; 4. a substrate layer; 5. a heat conductive layer; 6. clamping a fixed block; 7. a long rod; 8. a spring; 9. a rubber cushion block; 10. a base plate; 11. a heat-dissipating metal plate; 12. an exhaust fan; 13. a fixing plate; 14. and (4) air inlet holes.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a high temperature resistant PCB circuit board according to an embodiment of the present invention includes a substrate layer 4, a bottom plate 10 and a high temperature resistant layer 2, and is characterized in that the top end of the substrate layer 4 is fixedly connected to the bottom end of the corrosion-resistant insulating layer 3, the top end of the corrosion-resistant insulating layer 3 is fixedly connected to the bottom end of the high temperature resistant layer 2, the top end of the high temperature resistant layer 2 is fixedly connected to the bottom end of the wear-resistant protective layer 1, the bottom end of the substrate layer 4 is fixedly connected to the top end of the heat conducting layer 5, the bottom end of the heat conducting layer 5 is fixedly connected to the top end of the heat dissipating metal plate 11, two ends of the substrate layer 4 are respectively fixedly connected to one side of the clamping fixing block 6, the other side of the clamping fixing block 6 is respectively movably connected to the long rod 7, the bottom end of the long rod 7 is respectively fixedly connected to the top end of the rubber pad 9, the bottom end of the rubber pad 9 is respectively fixedly connected to two sides of the top end of the bottom plate 10, an exhaust fan 12 is installed around the top end of the bottom plate 10 respectively, the middle of the exhaust fan 12 is connected with the middle of a fixing plate 13 in a buckling mode, the fixing plate 13 is fixedly connected with the top end of the bottom plate 10, and air inlets 14 are formed in the two sides of the bottom plate 10 respectively.

Through the above technical scheme of the utility model, the filter screen is installed respectively to the inside of inlet port 14, air exhauster 12 and power electric connection, be equipped with the metal copper wire net in the intermediate layer of heat-conducting layer 5, the crossing department in both ends of centre gripping fixed block 6 and substrate layer 4 installs shock attenuation gasket, inlet port 14 with the bottom pipeline intercommunication of air exhauster 12, spring 8 is installed to the middle part of stock 7, spring 8's top with 6 fixed connection of centre gripping fixed block, spring 8's bottom with the middle part fixed connection of stock 7.

The working principle is as follows: the wear-resistant protective layer 1 protects the circuit board from being worn, the high-temperature resistant layer 2 enables the circuit board to have good high-temperature resistance, and the corrosion-resistant insulating layer 3 enables the circuit board to be corrosion-resistant and can shield static electricity. The spring 8 and the long rod 7 can weaken potential energy driven by vibration when the circuit board shakes, the heat conducting layer 5 and the heat dissipation metal plate 11 absorb heat of the circuit board, and the heat dissipation of the circuit board can be accelerated by matching with the exhaust fan 12.

In summary, the following steps: the utility model discloses a wear-resisting protective layer can protect the substrate layer not receive wearing and tearing, and when high temperature resistant layer and corrosion-resistant insulating layer can make the circuit board have good high temperature resistance, also have good wear-resisting, corrosion-resistant and antistatic properties. Meanwhile, the long rod and the spring improve the damping capacity of the device, and the exhaust fan cools the bottom end of the device, so that the heat dissipation rate of the circuit board is increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-temperature-resistant PCB circuit board comprises a substrate layer (4), a bottom plate (10) and a high-temperature-resistant layer (2), and is characterized in that the top end of the substrate layer (4) is fixedly connected with the bottom end of a corrosion-resistant insulating layer (3), the top end of the corrosion-resistant insulating layer (3) is fixedly connected with the bottom end of the high-temperature-resistant layer (2), the top end of the high-temperature-resistant layer (2) is fixedly connected with the bottom end of a wear-resistant protective layer (1), the bottom end of the substrate layer (4) is fixedly connected with the top end of a heat conducting layer (5), the bottom end of the heat conducting layer (5) is fixedly connected with the top end of a heat dissipation metal plate (11), the two ends of the substrate layer (4) are respectively fixedly connected with one side of a clamping fixing block (6), the other side of the clamping fixing block (6) is respectively movably connected with a long rod (7), the bottom end of the long rod (7) is respectively fixedly connected with the top end of a rubber cushion block (9), the bottom of rubber cushion (9) respectively with the top both sides fixed connection of bottom plate (10), air exhauster (12) are installed respectively all around on the top of bottom plate (10), the middle part of air exhauster (12) is connected with the middle part buckle of fixed plate (13), fixed plate (13) with the top fixed connection of bottom plate (10), the both sides of bottom plate (10) are equipped with inlet port (14) respectively.

2. The PCB of claim 1, wherein the air inlet holes (14) are respectively provided with a filter screen.

3. The PCB of claim 1, wherein the exhaust fan (12) is electrically connected to a power source.

4. A high temperature resistant PCB board according to claim 1, wherein a metal copper wire mesh is arranged in the interlayer of the heat conducting layer (5).

5. The PCB circuit board of claim 1, wherein shock-absorbing pads are arranged at the intersection of the two ends of the clamping fixed block (6) and the substrate layer (4).

6. The PCB of claim 1, wherein the air inlet (14) is in communication with a bottom conduit of the suction fan (12).

7. The PCB of claim 1, wherein a spring (8) is installed in the middle of the long rod (7), the top end of the spring (8) is fixedly connected with the clamping fixing block (6), and the bottom end of the spring (8) is fixedly connected with the middle of the long rod (7).