PCB assembly of intelligent valve positioner

Abstract

The utility model relates to the field of PCBs, in particular to a PCB assembly of an intelligent valve positioner, which comprises a first PCB, the upper surface and the lower surface of one side of the first PCB are both provided with assembling columns, one side of the first PCB is fixedly connected with limiting columns in a rectangular array, the surfaces of the limiting columns are fixedly connected with a second PCB in a sleeved mode, and the second PCB is fixedly connected with the upper surface of the first PCB in a sleeved mode. The PCB assembly comprises a first PCB, a second PCB, an assembling column and a limiting column, the surface of the first PCB is provided with a circuit connecting piece, one end of the limiting column is fixedly connected with a clamping column, and the surface of the clamping column is sleeved with a display module. Therefore, double-layer design of the control mainboard of the intelligent valve positioner is achieved, the size of the control mainboard can be reduced, multi-circuit layout is achieved, electromagnetic interference among circuits is reduced, gaps exist between the first PCB and the second PCB through the assembly columns and the limiting columns, heat dissipation is facilitated, and meanwhile cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of PCB board, concretely to a kind of PCB board assembly of intelligent valve positioner. BACKGROUND

[0002] Intelligent valve positioner is based on microprocessor technology, using digital technology for data processing, decision generation and two-way communication Intelligent process control instrument, without manual calibration, can automatically detect the zero point of the regulating valve it carries, full program, friction coefficient, automatically set control parameters, electronic components in intelligent valve positioner need to be installed on PCB board, PCB board is the carrier of electrical interconnection of electronic components.

[0003] The existing PCB board assembly of intelligent valve positioner is mostly single-layer PCB board in actual use, which can easily lead to limited circuit layout, weak electromagnetic interference suppression capability, and difficulty in heat dissipation due to limited space in the shell during the operation of the intelligent valve positioner. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a kind of PCB board assembly of intelligent valve positioner.

[0005] The utility model provides a kind of PCB board assembly of intelligent valve positioner, including first PCB board, the upper surface and the lower surface of one side of first PCB board are all provided with assembling column, the one side of first PCB board is rectangular array fixedly connected with limiting post, the surface of limiting post is fixedly sleeved with second PCB board, the surface of first PCB board is installed with circuit connecting piece, one end of circuit connecting piece is installed with connection control piece.

[0006] Preferably, one end of the limiting post is fixedly connected with a clamping column, the surface of the clamping column is sleeved with a display module, both sides of the front of the display module are fixedly connected with mounting pieces, a rotating rod penetrates through the inside of the mounting pieces, a protective plate is fixedly connected to the lower surface of the rotating rod, a rubber plate is fixedly connected to the inside of the protective plate.

[0007] Preferably, the lower edge of the inside of the rubber plate is fixedly connected with a magnetic strip A, one side of the magnetic strip A is magnetically connected with a magnetic strip B, one side of the magnetic strip B is fixedly connected to the lower edge of the front of the display module.

[0008] Preferably, the upper surface and the lower surface of one side of the second PCB board are both provided with fixing holes, a threaded column penetrates through the inside of the fixing hole, the surface of the threaded column is screw-connected to the inside of one end of the assembling column.

[0009] Preferably, the surface of the limiting column is threadedly connected with a limiting cap which is attached to the surface of the second PCB.

[0010] Compared with the related art, the utility model has the advantages of:

[0011] 1. By the first PCB, the second PCB, the assembly column and the limiting column, the control mainboard of the intelligent valve positioner is designed in double layers, so that the volume is reduced, multi-line layout is realized, electromagnetic interference between circuits is reduced, the gap between the first PCB and the second PCB is formed by the assembly column and the limiting column, heat dissipation is facilitated, and cost is reduced.

[0012] 2. By the protective plate, the protective plate, the magnetic strip A and the magnetic strip B, the display module is protected, external stains or impact forces are reduced, direct impact on the display module is avoided, the display module is protected, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a whole structure schematic view of the utility model;

[0014] Fig. 2 It is a first PCB and a second PCB structure schematic view of the utility model;

[0015] Fig. 3 It is a protective plate and structure schematic view of the utility model;

[0016] Fig. 4 It is a whole split structure schematic view of the utility model.

[0017] Reference signs in the drawing: 1, first PCB; 2, assembly column; 3, limiting column; 4, second PCB; 5, circuit connecting piece; 6, clamping column; 7, display module; 8, mounting piece; 9, rotating rod; 10, protective plate; 11, rubber plate; 12, magnetic strip A; 13, magnetic strip B; 14, fixing hole; 15, threaded column; 16, limiting cap; 17, connection control piece. DETAILED DESCRIPTION

[0018] The utility model will be further described below in combination with the drawings and embodiments.

[0019] Please refer to Figs. 1 to 4The utility model provides a kind of PCB board assembly of intelligent valve positioner, including first PCB board 1, the upper surface and the lower surface of one side of first PCB board 1 are provided with assembling column 2, one side of first PCB board 1 is rectangular array fixedly connected with limiting post 3, second PCB board 4 is fixedly sleeved on the surface of limiting post 3, circuit connecting piece 5 is installed on the surface of first PCB board 1, connecting control piece 17 is installed in one end of circuit connecting piece 5, by the setting of first PCB board 1 and second PCB board 4, connect with second PCB board 4 using assembling column 2, let there be gap between first PCB board 1 and second PCB board 4, form double-layer design, can reduce volume, reduce interference, improve heat dissipation, reduce cost.

[0020] Especially worth mentioning is that one end of limiting post 3 is fixedly connected with clamping column 6, display module 7 is sleeved on the surface of clamping column 6, mounting piece 8 is fixedly connected on the two sides of the front of display module 7, rotating rod 9 is penetrated in the inside of mounting piece 8, protective plate 10 is fixedly connected on the lower surface of rotating rod 9, rubber plate 11 is fixedly connected on the inside of protective plate 10, protective plate 10 can block external stains, and rubber plate 11 is elastic and protects display module 7.

[0021] The lower edge of the inside of rubber plate 11 is fixedly connected with magnetic strip A 12, one side of magnetic strip A 12 is magnetically connected with magnetic strip B 13, one side of magnetic strip B 13 is fixedly connected on the lower edge of the front of display module 7, the setting of magnetic strip A 12 and magnetic strip B 13 is convenient for fixing protective plate 10 with display module 7 and is convenient for opening and closing.

[0022] In addition, the upper surface and the lower surface of one side of second PCB board 4 are provided with fixed hole 14, threaded column 15 is penetrated in the inside of fixed hole 14, and the inside of one end of assembling column 2 is screw-connected on the surface of threaded column 15.Second PCB board 4 and assembling column 2 are installed together using threaded column 15 to prevent second PCB board 4 from falling off.

[0023] The surface of limiting post 3 is screw-connected with limiting cap 16, the surface of limiting cap 16 is attached with second PCB board 4, and limiting cap 16 is convenient for reinforcing second PCB board 4.

[0024] The above only is the embodiment of the utility model, and the patent range of the utility model is not limited by this, and equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A PCB assembly for a smart valve positioner, the PCB assembly comprising: Including first PCB board (1), the upper surface and the lower surface of one side of the first PCB board (1) are provided with assembly column (2), one side of the first PCB board (1) is rectangular array fixedly connected with limiting column (3), the surface of the limiting column (3) is fixedly sleeved with second PCB board (4), the surface of the first PCB board (1) is installed with circuit connecting piece (5), one end of the circuit connecting piece (5) is installed with connection control part (17).

2. A PCB assembly for a smart valve positioner according to claim 1, wherein, One end of the limiting column (3) is fixedly connected with clamping column (6), the surface of the clamping column (6) is sleeved with display module (7), the two sides of the front of the display module (7) are fixedly connected with mounting piece (8), the inside of the mounting piece (8) is penetrated with rotating rod (9), the surface of the rotating rod (9) is fixedly connected with the lower of guard plate (10), the inner side of the guard plate (10) is fixedly connected with rubber plate (11).

3. A PCB assembly for a smart valve positioner according to claim 2, wherein, The lower edge of the inner side of the rubber plate (11) is fixedly connected with magnetic strip A (12), one side of the magnetic strip A (12) is magnetically connected with magnetic strip B (13), one side of the magnetic strip B (13) is fixedly connected with the lower edge of the front of the display module (7).

4. The PCB assembly of a smart valve positioner according to claim 1, wherein, The upper surface and the lower surface of one side of the second PCB board (4) are both provided with fixed hole (14), the inside of the fixed hole (14) is penetrated with threaded column (15), the surface of the threaded column (15) is screw connected in the inside of one end of assembly column (2).

5. The PCB assembly of a smart valve positioner according to claim 1, wherein, The surface of the limiting column (3) is screw connected with limiting cap (16), the surface of the limiting cap (16) is attached with second PCB board (4).

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