Circuit board of industrial instrument electronic screen
By designing movable and positionable fan components and mesh structures on the circuit boards of industrial instrument electronic screens, the problems of poor heat dissipation in high-heat areas and easy dust accumulation on fans are solved, achieving efficient heat dissipation and extending fan life.
Patent Information
- Application Number
- CN202422818979.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing industrial instrument electronic screen circuit boards have poor heat dissipation in areas with high heat, and the fans are easily covered by dust, resulting in low heat dissipation efficiency and shortened service life.
A structure including a slide, a slider, a positioning component, a fan assembly, and a mesh plate is designed. The fan assembly can be moved and positioned to a high-heat location, and exchanges air with the outside through the ventilation slot. The mesh plate isolates dust, improves heat dissipation efficiency, and extends the fan's lifespan.
It achieves efficient heat dissipation in areas with high heat output, improves heat dissipation efficiency, and prevents dust from entering through the mesh plate, extending the service life of the fan assembly.
Smart Images

Figure CN223472476U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of circuit board, concretely is the circuit board of industrial instrument electronic screen. BACKGROUND
[0002] The circuit board of industrial instrument electronic screen is one of the core components of industrial instrument, it is responsible for processing and display various industrial data, and the circuit board is usually composed of multiple electronic components, including microprocessor, memory, input output interface, power management circuit etc., these components are connected together through printed circuit board (PCB), form a complete circuit system, on the circuit board of industrial instrument electronic screen, microprocessor is the most important part, it is responsible for executing various calculation and control task, memory is used to store program and data, input output interface is used for communicating with external device, and power management circuit is responsible for providing stable power supply, and the circuit board of industrial instrument electronic screen provides reliable data processing and display function for industrial production through advanced technology and innovative design.
[0003] The existing circuit board of industrial instrument electronic screen is widely applied, and a fan assembly is usually used to cool the circuit board when using the circuit board, but most of the components on the circuit board do not emit heat, only a small part of the components emit large heat, the fan directly covers the whole circuit board in the prior art, cannot concentrate on cooling the position with high heat on the circuit board, and the fan of the existing device is exposed, is easily covered by dust, reduces the service life of the fan, therefore, the circuit board of industrial instrument electronic screen is provided for the above problems. SUMMARY
[0004] The utility model discloses an industrial instrument electronic screen's circuit board, to solve the problem that the position with high heat of the existing circuit board cannot be cooled effectively and the fan of the heat dissipation device is easily covered by dust in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] The circuit board of industrial instrument electronic screen, including circuit board body, the inside four corners of circuit board body are all set up with the installation hole that penetrates from up to down circuit board body, the inside of installation hole is equipped with screw, the lower of circuit board body is equipped with the wind box, the inside bottom end four corners of wind box are all fixedly connected with the vertical setting screw cylinder, the front and back two sides of wind box are all set up with the horizontal setting and the sliding slot that penetrates with wind box, the inside of sliding slot is connected with the sliding block that slides, the sliding block one side is installed with the positioning assembly, two the sliding block between fixedly connected with the fan assembly that is located in the inside of wind box, the left and right two sides of wind box are symmetrically set up with the ventilation groove that penetrates with wind box.
[0007] Preferably, the positioning assembly comprises a positioning cylinder fixedly connected to one side of the sliding block, a sliding plate slidably connected to the inside of the positioning cylinder, a limiting rod fixedly connected to one side of the sliding plate, a limiting spring arranged on the outside of the limiting rod, and a connecting plate fixedly connected to the end of the limiting rod away from the sliding plate, and the connecting plate is fixedly connected to symmetrically arranged positioning pins on the side close to the limiting rod.
[0008] Preferably, the screw is screw-connected to the inside of the threaded cylinder, the number of the positioning holes is multiple, the positioning holes are evenly distributed on the front and back sides of the bellow, the number of the ventilation grooves is multiple, the ventilation grooves are evenly distributed on the left and right sides of the bellow, the limiting rod penetrates through the positioning cylinder and is slidably connected with the positioning cylinder, one end of the limiting spring is fixedly connected with the sliding plate, the end of the limiting spring away from the sliding plate is fixedly connected with the inside of the positioning cylinder, and the outer diameter of the positioning pin is smaller than the inner diameter of the positioning hole.
[0009] Preferably, the positioning hole is provided with a clamping groove arranged on the front and back sides of the bellow, the clamping groove is provided with a clamping frame on the inside, one side of the ventilation groove is provided with a mesh plate arranged on the inside of the bellow, and the mesh plate is fixedly connected to symmetrically arranged baffle plates on the front and back ends.
[0010] Preferably, the clamping groove and the clamping frame are connected in a clamping manner, the side of the mesh plate close to the ventilation groove is tightly attached to the inside of the bellow, and the baffle plates are inserted into the gap between the threaded cylinder and the inner wall of the bellow.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、In the utility model, the sliding groove, the sliding block, the positioning hole, the positioning assembly, the positioning cylinder, the sliding plate, the limiting rod, the limiting spring, the connecting plate, the positioning pin, the fan assembly and the ventilation groove are arranged, when the circuit board body is installed, the connecting plate is pulled, the limiting spring is compressed, the positioning pin is separated from the positioning hole, then the connecting plate is moved to make the sliding block slide, until the fan assembly is vertically aligned with the position of the component with larger heat dissipation on the circuit board body, the connecting plate is released, the movement and positioning of the fan assembly are completed, the positioning assembly and the sliding groove are arranged, the fan assembly can be moved and positioned, the wind power of the fan assembly can be concentrated to heat the position with higher heat, and the heat dissipation efficiency is improved.
[0013] 2. The utility model discloses a card slot, card frame, net board and baffle are set up, when installing the circuit board body, the baffle is inserted between the gap between the screw drum and the inner wall of the wind box, the installation of net board is completed, and the card frame is inserted into the inside of the card slot, and the wind box can only pass through the ventilation flue and the outside air exchange, when using the electronic screen, the fan assembly is started, and the fan assembly drives the air flow in the inside of the wind box, and the hot air in the inside of the wind box is discharged through the ventilation flue, and the outside cold air enters the inside of the wind box through the ventilation flue and the net board, and the net board can isolate dust in the air, prevents dust too much and reduces the service life of the fan assembly. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic diagram of the utility model;
[0015] Figure 2 It is the circuit board body installation structure schematic diagram of the utility model;
[0016] Figure 3 It is the net board installation structure schematic diagram of the utility model;
[0017] Figure 4 It is the utility model Figure 3 It is the structure schematic diagram of A place of the utility model;
[0018] Figure 5 It is the positioning cylinder section structure schematic diagram of the utility model.
[0019] In the drawing: 1, circuit board body; 2, mounting hole; 3, screw; 4, wind box; 5, screw drum; 6, sliding slot; 7, sliding block; 8, positioning hole; 9, positioning assembly; 91, positioning cylinder; 92, sliding plate; 93, limiting rod; 94, limiting spring; 95, connecting plate; 96, positioning pin; 10, fan assembly; 11, ventilation flue; 12, card slot; 13, card frame; 14, net board; 15, baffle. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.
[0021] In the description of the utility model, need understanding is, the orientation word such as " before, after, top, bottom, left, right " " horizontal, vertical, perpendicular, horizontal " and " top, bottom " and so on indicated orientation or positional relationship usually is based on the orientation or positional relationship shown in drawing, just is for the convenience of describing the utility model and simplifying description, under the condition without making opposite declaration, these orientation words do not indicate and suggest the device or element indicated must have specific orientation or with specific orientation structure and operation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation word " inside, outside " refers to the inside and outside relative to the contour of each component.
[0022] In addition, it needs to be explained that the use of "first", "second" and other words to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning if no further declaration, therefore can not be understood as the restriction of the protection scope of the utility model.
[0023] Please refer to Figures 1-5 The utility model provides a technical scheme:
[0024] The circuit board of industrial instrument electronic screen includes circuit board body 1, the inside four corners of circuit board body 1 are all set up mounting hole 2 from top to bottom and penetrate circuit board body 1, the inboard of mounting hole 2 is equipped with screw 3, the lower of circuit board body 1 is equipped with wind box 4, the inboard bottom end four corners of wind box 4 are all fixedly connected with the vertically arranged screw cylinder 5, the front and back sides of wind box 4 are all set up the horizontal arrangement and with the sliding slot 6 of wind box 4 penetration, the inboard sliding connection of sliding slot 6 is equipped with sliding block 7, the upper and lower sides of sliding slot 6 are symmetrically equipped with the positioning hole 8 set up in the front and back sides of wind box 4, the one side of sliding block 7 is equipped with positioning assembly 9, the fan assembly 10 of being located inboard of wind box 4 is fixedly connected between two sliding blocks 7, the left and right sides of wind box 4 are symmetrically set up and with the ventilation groove 11 of wind box 4 penetration, the setting of sliding slot 6 and sliding block 7 makes fan assembly 10 can move according to demand.
[0025] The positioning assembly 9 comprises a positioning cylinder 91 fixedly connected to one side of the sliding block 7, a sliding plate 92 slidably connected to the inside of the positioning cylinder 91, a limiting rod 93 fixedly connected to one side of the sliding plate 92, a limiting spring 94 arranged on the outside of the limiting rod 93, a connecting plate 95 fixedly connected to the end of the limiting rod 93 away from the sliding plate 92, a pair of positioning pins 96 fixedly connected to the side of the connecting plate 95 close to the limiting rod 93, and the positioning assembly 9 is arranged to position the fan assembly 10, so that the fan assembly 10 can concentrate the wind power to the position with high heat to improve the heat dissipation efficiency. The screw 3 is screw-connected to the inside of the threaded cylinder 5, the number of the positioning holes 8 is multiple, the positioning holes 8 are evenly distributed on the front and back sides of the wind box 4, the number of the ventilation grooves 11 is multiple, the ventilation grooves 11 are evenly distributed on the left and right sides of the wind box 4, the limiting rod 93 penetrates through the positioning cylinder 91 and is slidably connected with the positioning cylinder 91, one end of the limiting spring 94 is fixedly connected with the sliding plate 92, the other end of the limiting spring 94 away from the sliding plate 92 is fixedly connected to the inside of the positioning cylinder 91, the outer diameter of the positioning pin 96 is smaller than the inner diameter of the positioning hole 8, the multiple positioning holes 8 can position the fan assembly 10 to multiple positions, the outside of the positioning hole 8 is provided with a clamping groove 12 arranged on the front and back sides of the wind box 4, the inside of the clamping groove 12 is provided with a clamping frame 13, one side of the ventilation groove 11 is provided with a mesh plate 14 arranged inside the wind box 4, a pair of baffle plates 15 are fixedly connected to the front and back ends of the mesh plate 14, the mesh plate 14 can isolate dust in the air, preventing too much dust from reducing the service life of the fan assembly 10, the clamping groove 12 and the clamping frame 13 are connected in a clamping manner, the side of the mesh plate 14 close to the ventilation groove 11 is tightly attached to the inside of the wind box 4, the baffle plates 15 are inserted into the gap between the threaded cylinder 5 and the inner wall of the wind box 4, and the clamping frame 13 allows the wind box 4 to exchange air with the outside only through the ventilation groove 11.
[0026] Work flow: before use, the device is powered on, need to install the circuit board body 1, first, the baffle 15 is inserted between the threaded cylinder 5 and the inner wall of the wind box 4 gap, complete the installation of the screen plate 14, then the circuit board body 1 is placed at the top of the wind box 4, and the mounting hole 2 is vertically aligned with the threaded cylinder 5, the screw 3 is inserted into the inside of the mounting hole 2 and screwed into the inside of the threaded cylinder 5, the installation of the wind box 4 is completed, the next step is to adjust the position of the fan assembly 10 according to the position of the larger heat dissipation components on the circuit board body 1, pull the connecting plate 95, the connecting plate 95 moves to drive the limiting rod 93 and the sliding plate 92 to slide in the positioning cylinder 91, the limiting spring 94 is compressed, the positioning pin 96 is disengaged from the positioning hole 8, then move the connecting plate 95, the sliding block 7 slides in the sliding groove 6 until the fan assembly 10 is vertically aligned with the position of the larger heat dissipation components on the circuit board body 1, loosen the connecting plate 95, the limiting spring 94 resets the limiting rod 93 and the sliding plate 92 to slide in the positioning cylinder 91 until the positioning pin 96 is inserted into the inside of the positioning hole 8, the movement and positioning of the fan assembly 10 are completed, the positioning assembly 9 and the sliding groove 6 enable the fan assembly 10 to move and position, so that the fan assembly 10 can concentrate the wind power to the position with high heat dissipation, improving the heat dissipation efficiency, then insert the clamping frame 13 into the clamping groove 12, so that the wind box 4 can only exchange air with the outside through the ventilation slot 11, finally, the wind box 4 is installed in the industrial instrument electronic screen, the device can be used normally, when using the electronic screen, start the fan assembly 10, the fan assembly 10 drives the air flow in the wind box 4, the hot air in the wind box 4 is discharged through the ventilation slot 11, and the outside cold air enters the wind box 4 through the ventilation slot 11 and the screen plate 14, the screen plate 14 can isolate dust in the air, preventing too much dust from reducing the service life of the fan assembly 10.
[0027] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. Printed circuit board for industrial instrumentation electronic screens, comprising a printed circuit board body (1), characterized in that: The line board body (1) is provided with mounting holes (2) penetrating the line board body (1) from top to bottom at four corners, and screws (3) are arranged in the mounting holes (2); a wind box (4) is arranged below the line board body (1), vertical threaded cylinders (5) are fixedly connected to the wind box (4) at four corners of the bottom end of the inside of the wind box (4); sliding grooves (6) penetrating the wind box (4) are arranged horizontally on the front and back sides of the wind box (4); sliding blocks (7) are slidingly connected in the sliding grooves (6); positioning holes (8) are symmetrically arranged on the front and back sides of the wind box (4); positioning assemblies (9) are arranged on one side of the sliding blocks (7); a fan assembly (10) is fixedly connected between the sliding blocks (7) on the inside of the wind box (4); and ventilation grooves (11) penetrating the wind box (4) are symmetrically arranged on the left and right sides of the wind box (4).
2. The industrial instrument electronic screen's wiring board according to claim 1, characterized in that: The positioning assembly (9) comprises a positioning cylinder (91) fixedly connected to one side of the sliding block (7), a sliding plate (92) slidingly connected to the inside of the positioning cylinder (91), a limiting rod (93) fixedly connected to one side of the sliding plate (92), a limiting spring (94) arranged on the outside of the limiting rod (93), and a connecting plate (95) fixedly connected to the end of the limiting rod (93) away from the sliding plate (92), wherein the connecting plate (95) is fixedly connected to symmetrically-arranged positioning pins (96) on the side close to the limiting rod (93).
3. The industrial instrument electronic screen's wiring board according to claim 2, characterized in that: The screw (3) is screw-connected to the inside of the threaded cylinder (5); the number of the positioning holes (8) is multiple, and the positioning holes (8) are uniformly distributed on the front and back sides of the wind box (4); the number of the ventilation grooves (11) is multiple, and the ventilation grooves (11) are uniformly distributed on the left and right sides of the wind box (4); the limiting rod (93) penetrates the positioning cylinder (91) and is slidingly connected with the positioning cylinder (91); one end of the limiting spring (94) is fixedly connected with the sliding plate (92), and the other end of the limiting spring (94) is fixedly connected with the inside of the positioning cylinder (91); and the outer diameter of the positioning pin (96) is smaller than the inner diameter of the positioning hole (8).
4. The industrial instrument electronic screen's wiring board according to claim 1, characterized in that: The positioning hole (8) is provided with a clamping groove (12) arranged on the front and back sides of the wind box (4); the clamping groove (12) is provided with a clamping frame (13); the ventilation groove (11) is provided with a mesh plate (14) arranged on the inside of the wind box (4); and the mesh plate (14) is fixedly connected to symmetrically-arranged baffle plates (15) at the front and back ends.
5. The industrial instrument electronic screen's wiring board according to claim 4, characterized in that: The clamping groove (12) and the clamping frame (13) are connected in a clamping manner; the side of the mesh plate (14) close to the ventilation groove (11) is tightly attached to the inside of the wind box (4); and the baffle plate (15) is inserted into the gap between the threaded cylinder (5) and the inner wall of the wind box (4).