Electronic circuit board with protective shell
By designing a protective shell structure with heat-conducting plates and heat dissipation fins on the circuit board, the problem of poor heat dissipation in existing circuit boards is solved, achieving effective heat dissipation and extending the service life of the circuit board.
Patent Information
- Application Number
- CN202422693158.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-05
AI Technical Summary
The existing circuit board protective casing has poor heat dissipation, resulting in excessively high circuit board temperatures and easy damage.
An electronic circuit board with a protective shell was designed, including a protective shell and a cover, with a heat-conducting plate and heat dissipation fins inside. Heat is conducted through the heat-conducting plate and dissipated through heat dissipation holes. Stable fixation is achieved by combining a slot and a spring structure.
This improves the heat dissipation efficiency of the circuit board and extends its service life.
Smart Images

Figure CN223515169U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit board technology, specifically to an electronic circuit board with a protective shell. Background Technology
[0002] Circuit boards generally refer to circuit boards. Circuit boards are also known as ceramic circuit boards, circuit boards, PCB boards, aluminum-based boards, high-frequency boards, thick copper boards, ultra-thin circuit boards, and printed circuit boards. Circuit boards make circuits miniaturized and more intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Some existing circuit boards are protected by external protective shells, but most of these protective shells have poor heat dissipation, which can easily lead to the circuit board overheating and damage. Utility Model Content
[0003] The purpose of this invention is to provide an electronic circuit board with a protective housing to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] An electronic circuit board with a protective housing includes a protective outer shell and a protective cover. The protective cover includes a cover body disposed on the top of the protective outer shell. The top of both the left and right sides of the protective outer shell are provided with slots. An installation assembly is disposed in the inner cavity of the protective outer shell. The circuit board body is disposed on the top of the installation assembly. Heat dissipation holes are provided at equal intervals on both the front and rear sides of the protective outer shell. Wiring ports are provided at both ends of both the front and rear sides of the protective outer shell.
[0006] The mounting assembly includes a heat-conducting plate disposed within the inner cavity of the protective housing. The sidewall of the heat-conducting plate is fixedly connected to the inner wall of the protective housing. An L-shaped fixing seat is fixedly connected to the left side of the top of the heat-conducting plate. A slot is formed on the right side of the top of the heat-conducting plate. A guide rod is disposed within the inner cavity of the slot. The left and right ends of the guide rod are fixedly connected to the inner walls of the slot on both sides, respectively. An L-shaped movable seat is slidably connected to the surface of the guide rod. The other end of the L-shaped movable seat extends to the outside of the slot. The circuit board body is disposed between the L-shaped fixing seat and the L-shaped movable seat. An extension plate is fixedly connected to the top of the L-shaped movable seat. A telescopic spring is sleeved on the outside of the guide rod. Heat dissipation fins are fixedly connected to the bottom of the heat-conducting plate.
[0007] As a preferred embodiment of this utility model, the right end of the telescopic spring is fixedly connected to the slotted surface, and the left end of the telescopic spring is fixedly connected to the surface of the L-shaped movable seat.
[0008] As a preferred embodiment of this utility model, the cover has mounting cavities on both the left and right sides, and the top of each mounting cavity has a sliding groove, and the interior of each mounting cavity has a crossbar.
[0009] As a preferred embodiment of this utility model, the two ends of the two crossbars are fixedly connected to the inner walls of the two sides of the mounting cavity, and sliding blocks are slidably connected to the surfaces of the two crossbars, and reset springs are sleeved on the surfaces of the two crossbars.
[0010] As a preferred embodiment of this utility model, the opposite ends of the two reset springs are fixedly connected to the inner walls of the two mounting cavities, the opposite ends of the two reset springs are fixedly connected to the surfaces of the two sliding blocks, and the top ends of the two sliding blocks are fixedly connected to a toggle block.
[0011] As a preferred embodiment of this utility model, the ends of the two actuating blocks away from the sliding blocks extend to the outside of the mounting cavity through two sliding grooves respectively. The bottom of each of the two sliding blocks is fixedly connected with an L-shaped locking rod. The two L-shaped locking rods are symmetrically arranged, and the other ends of the two L-shaped locking rods extend to the outside of the mounting cavity and are engaged with the two locking grooves.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. In this utility model, by installing the circuit board body on the top of the heat-conducting plate, it is beneficial for the heat-conducting plate to conduct heat to the circuit board body, and the heat is transferred to the heat dissipation fins and dissipated through the heat dissipation holes, thereby improving the heat dissipation efficiency and extending the service life of the circuit board body. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the internal structure of the protective shell of this utility model;
[0016] Figure 3 This is a cross-sectional structural diagram of the protective cover of this utility model;
[0017] Figure 4 This is a cross-sectional structural diagram of the mounting component of this utility model;
[0018] Figure 5 This is an enlarged structural diagram of point A in this utility model.
[0019] In the diagram: 1. Protective outer shell; 2. Protective cover; 201. Cover body; 202. Mounting cavity; 203. Slide groove; 204. Crossbar; 205. Return spring; 206. Sliding block; 207. Actuating block; 208. L-shaped locking rod; 3. Locking slot; 4. Circuit board body; 5. Mounting assembly; 501. Heat-conducting plate; 502. L-shaped fixed seat; 503. L-shaped movable seat; 504. Extension plate; 505. Slot; 506. Guide rod; 507. Telescopic spring; 508. Heat dissipation fins; 6. Heat dissipation hole; 7. Wiring port. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0021] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.
[0022] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0024] For examples, please refer to Figure 1 , Figure 2 , Figure 4 , Figure 5 This utility model provides a technical solution:
[0025] An electronic circuit board with a protective housing includes a protective outer shell 1 and a protective cover 2. The protective cover 2 includes a cover body 201 disposed on the top of the protective outer shell 1. The top of both the left and right sides of the protective outer shell 1 are provided with slots 3. An installation assembly 5 is disposed within the inner cavity of the protective outer shell 1. A circuit board body 4 is disposed on the top of the installation assembly 5. Heat dissipation holes 6 are equidistantly disposed on both the front and rear sides of the protective outer shell 1. Wiring ports 7 are disposed at both ends of both the front and rear sides of the protective outer shell 1. The installation assembly 5 includes a heat-conducting plate 501 disposed within the inner cavity of the protective outer shell 1. The sidewall of the heat-conducting plate 501 is fixedly connected to the inner wall of the protective outer shell 1. An L-shaped... The fixed base 502 and the heat-conducting plate 501 have a slot 505 on the right side of the top. The inner cavity of the slot 505 is provided with a guide rod 506. The left and right ends of the guide rod 506 are fixedly connected to the inner walls of the two sides of the slot 505 respectively. An L-shaped movable seat 503 is slidably connected to the surface of the guide rod 506. The other end of the L-shaped movable seat 503 extends to the outside of the slot 505. The circuit board body 4 is set between the L-shaped fixed base 502 and the L-shaped movable seat 503. An extension plate 504 is fixedly connected to the top of the L-shaped movable seat 503. A telescopic spring 507 is sleeved on the outside of the guide rod 506. A heat dissipation fin 508 is fixedly connected to the bottom of the heat-conducting plate 501.
[0026] like Figure 5 As shown, the right end of the telescopic spring 507 is fixedly connected to the surface of the slot 505, and the left end of the telescopic spring 507 is fixedly connected to the surface of the L-shaped movable seat 503.
[0027] like Figure 1 , Figure 3 As shown, mounting cavities 202 are provided on both the left and right sides of the cover 201. A sliding groove 203 is provided on the top of each mounting cavity 202. A crossbar 204 is provided inside each mounting cavity 202. The two ends of the crossbar 204 are fixedly connected to the inner walls of the two sides of the mounting cavity 202. Sliding blocks 206 are slidably connected to the surfaces of the two crossbars 204. Return springs 205 are sleeved on the surfaces of the two crossbars 204. The opposite ends of the two return springs 205 are fixedly connected to the inner walls of the two mounting cavities 202. One end of each return spring 205 is fixedly connected to the surface of two sliding blocks 206. The top of each sliding block 206 is fixedly connected to a toggle block 207. The ends of the two toggle blocks 207 away from the sliding blocks 206 extend to the outside of the mounting cavity 202 through two sliding grooves 203. The bottom of each sliding block 206 is fixedly connected to an L-shaped locking rod 208. The two L-shaped locking rods 208 are symmetrically arranged. The other ends of the two L-shaped locking rods 208 extend to the outside of the mounting cavity 202 and are engaged with the two locking grooves 3.
[0028] The working process of this utility model is as follows: In use, the extension plate 504 is used to move the L-shaped movable seat 503 away from the L-shaped fixed seat 502, and the circuit board body 4 is placed between the L-shaped fixed seat 502 and the L-shaped movable seat 503. Then, the extension plate 504 is slowly released, and the L-shaped movable seat 503 and the L-shaped fixed seat 502 clamp and fix the circuit board body 4. Then, by pressing the actuating block 207 to both sides, the sliding block 206 and the L-shaped locking rod 208 are driven to move closer to the center, and the cover 201 is placed on the top of the protective shell 1. The L-shaped locking rod 208 is locked into the inside of the slot 3 to complete the fixation of the cover 201. The bottom of the circuit board body 4 is in close contact with the heat-conducting plate 501. The heat-conducting plate 501 can conduct the heat generated by the circuit board body 4 to the heat dissipation fins 508. The heat dissipation fins 508 have a good heat dissipation effect, and the heat is dissipated through the heat dissipation holes 6, which can improve the service life of the circuit board body 4.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An electronic circuit board with a protective housing, comprising a protective outer shell (1) and a protective cover (2), characterized in that: The protective cover (2) includes a cover body (201) set on the top of the protective shell (1), and slots (3) are opened on the top of both the left and right sides of the protective shell (1). An installation component (5) is provided in the inner cavity of the protective shell (1). A circuit board body (4) is provided on the top of the installation component (5). Heat dissipation holes (6) are opened at equal intervals on both the front and rear sides of the protective shell (1). Wiring ports (7) are opened at both ends of both the front and rear sides of the protective shell (1). The mounting assembly (5) includes a heat-conducting plate (501) disposed in the inner cavity of the protective shell (1). The side wall of the heat-conducting plate (501) is fixedly connected to the inner wall of the protective shell (1). An L-shaped fixing seat (502) is fixedly connected to the left side of the top of the heat-conducting plate (501). A slot (505) is provided on the right side of the top of the heat-conducting plate (501). A guide rod (506) is provided in the inner cavity of the slot (505). The left and right ends of the guide rod (506) are fixedly connected to the inner walls of the two sides of the slot (505), respectively. The surface of the guide rod (506) is slidably connected to an L-shaped movable seat (503), the other end of which extends to the outside of the slot (505). The circuit board body (4) is disposed between the L-shaped fixed seat (502) and the L-shaped movable seat (503). An extension plate (504) is fixedly connected to the top of the L-shaped movable seat (503). A telescopic spring (507) is sleeved on the outside of the guide rod (506). A heat dissipation fin (508) is fixedly connected to the bottom of the heat-conducting plate (501).
2. An electronic circuit board with a protective housing according to claim 1, characterized in that: The right end of the telescopic spring (507) is fixedly connected to the surface of the slot (505), and the left end of the telescopic spring (507) is fixedly connected to the surface of the L-shaped movable seat (503).
3. An electronic circuit board with a protective housing according to claim 1, characterized in that: The cover (201) has mounting cavities (202) on both the left and right sides, and the top of each mounting cavity (202) has a sliding groove (203). A crossbar (204) is provided inside each mounting cavity (202).
4. An electronic circuit board with a protective housing according to claim 3, characterized in that: The two ends of the two crossbars (204) are fixedly connected to the inner walls of the two sides of the mounting cavity (202), and the surfaces of the two crossbars (204) are slidably connected with sliding blocks (206), and the surfaces of the two crossbars (204) are fitted with return springs (205).
5. An electronic circuit board with a protective housing according to claim 4, characterized in that: The opposite ends of the two return springs (205) are fixedly connected to the inner walls of the two mounting cavities (202), and the opposite ends of the two return springs (205) are fixedly connected to the surfaces of the two sliding blocks (206). The top ends of the two sliding blocks (206) are fixedly connected to a toggle block (207).
6. An electronic circuit board with a protective housing according to claim 5, characterized in that: The ends of the two actuating blocks (207) away from the sliding block (206) extend to the outside of the mounting cavity (202) through the two sliding grooves (203). The bottom of the two sliding blocks (206) is fixedly connected with an L-shaped locking rod (208). The two L-shaped locking rods (208) are symmetrically arranged. The other ends of the two L-shaped locking rods (208) extend to the outside of the mounting cavity (202) and are engaged with the two locking grooves (3).