CN213342829U - Bimodulus printed circuit board adds tin tool for fire control - Google Patents
Bimodulus printed circuit board adds tin tool for fire control Download PDFInfo
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- CN213342829U CN213342829U CN202021845887.1U CN202021845887U CN213342829U CN 213342829 U CN213342829 U CN 213342829U CN 202021845887 U CN202021845887 U CN 202021845887U CN 213342829 U CN213342829 U CN 213342829U
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Abstract
The utility model belongs to the technical field of fire control equipment production, concretely relates to fire control is with bimodulus printed circuit board tin adding tool, add tin tool board and include the tool plate body, the shape of tool plate body is the same with the shape of printed circuit board, and tool plate body thickness is 1.5-2mm, set up on the tool plate body and annotate tin mouth and the poroid tin mouth of annotating corresponding with the forceful electric power contact with the strip that the forceful electric power wiring of base plate B face is identical; the jig plate body is also provided with positioning holes which are in one-to-one correspondence with the substrate mounting holes and the grounding contact holes. The utility model discloses in, through designing a tin adding tool board, through set up on tin adding tool board with corresponding forceful electric power contact hole of forceful electric power wiring and forceful electric power wiring groove, make things convenient for the workman to add tin more evenly on the forceful electric power wiring, completion that can be rapid simultaneously according to the position of trompil and fluting is to the work of forceful electric power wiring tin adding.
Description
Technical Field
The utility model belongs to the technical field of fire control controlgear produces, particularly, relate to a fire control is with bimodulus printed circuit board adds tin tool.
Background
In the field of fire fighting, a fire control box is an important device installed on a fire site, a water pump control system, an audible and visual alarm circuit and a sound generating device are arranged in the fire control box and can be used for receiving signals of fire smoke, open fire and the like detected by a detector, a large number of circuit boards are installed in the fire control box, the wiring in the fire control box is very disordered due to the fact that strong electricity and weak electricity are involved in the fire control box, the assembling process is complex, the production efficiency and the later maintenance efficiency of the fire control box are greatly influenced, strong electricity wiring is arranged on the circuit boards, the strong electricity wiring can only be widened due to the limitation of the production process, a tin plating layer needs to be added on the widened wiring, in the prior art, the tin plating layer is manually added, but due to different technical levels of personnel, the processed tin plating layer is uneven and not attractive, affecting the stability of the circuit board.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a fire control is with bimodulus printed circuit board adds tin tool to solve prior art and adopt artifical increase tin coating, exist because personnel's technical level differs, the tin coating that processes out is inhomogeneous also pleasing to the eye, influences the stability scheduling problem of circuit board.
In order to solve the problems, the utility model provides a fire control is with bimodulus printed circuit board tin adding tool, add tin tool board and include the tool plate body, the shape of tool plate body is the same with the shape of printed circuit board, tool plate body thickness is 1.5-2mm, seted up on the tool plate body and annotated tin mouth with the strong current wiring identical strip of base plate B face and the poroid notes tin mouth corresponding with the strong current contact; the jig plate body is also provided with positioning holes which are in one-to-one correspondence with the substrate mounting holes and the grounding contact holes.
Further, the tool plate body is a ceramic plate or a bakelite plate.
Furthermore, four corners of the jig plate body are provided with rounded corners of R2.
The utility model has the advantages that: the technical proposal of the utility model is that strong current wiring is arranged on the B surface of the circuit board, tin with a layer of 1-2mm is added on the strong current wiring to increase the wiring capacity, thereby satisfying the heavy current of bearing strong current; this design sets up weak current and forceful electric power on same circuit board, has reduced the complexity of fire hose assembly, and it is more reasonable to set up the wiring through the circuit board printing, also makes things convenient for the maintenance and the maintenance in later stage simultaneously.
The utility model discloses in, through designing a tin adding tool board, through set up on tin adding tool board with corresponding forceful electric power contact hole of forceful electric power wiring and forceful electric power wiring groove, make things convenient for the workman to add tin more evenly on the forceful electric power wiring, completion that can be rapid simultaneously according to the position of trompil and fluting is to the work of forceful electric power wiring tin adding.
The utility model discloses in, when adding tin tool board and adopting pottery, set the ceramic plate to 1.5mm, can fix the B face at the base plate with the ceramic plate, also not demolish behind the tin, this design can enough increase the shielding and insulating effect of circuit board forceful electric power, also can increase the holistic intensity of circuit board and improve machining efficiency.
Drawings
In the drawings:
fig. 1 is a schematic view of a side a of a printed circuit board according to the present invention;
fig. 2 is a schematic B-side view of the printed circuit board of the present invention;
FIG. 3 is a schematic view of the tin adding jig of the present invention;
FIG. 4 is a schematic side view of the tin adding jig of the present invention;
in the figure, 0 is a substrate, 1 is a strong current contact hole, 2 is a weak current wiring, 3 is a mounting hole, 4 is a strong current wiring, 5 is a weak current contact hole, 6 is a grounding contact hole, 7 is a jig plate body, 8 is a positioning hole, 9 is a hole-shaped tin injection port, 10 is a strip-shaped tin injection port, and 11 is a tin coating.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1: as shown in fig. 1 to 3, a fire-fighting dual-mode printed circuit board comprises a substrate 0, wherein circuits are etched on both the front and back surfaces of the substrate 0, the substrate 0 is divided into an a surface and a B surface, contact holes for plugging electrical elements are simultaneously formed in the substrate 0, weak current wiring 2 is etched on the a surface of the substrate 0, and strong current wiring 4 is etched on the B surface of the substrate 0; the width of the line of the strong current wiring 4 is 4mm-6mm, and the width of the weak current wiring 2 is 2 mm; a tin coating layer 11 with the thickness of 1-2mm is welded on the strong current wiring 4, and the tin coating layer 11 covers the whole strong current wiring 4; a weak current contact hole 5 is formed in the weak current wiring 2, and a strong current contact hole 1 is formed in the strong current wiring 4; the diameter of the weak current contact hole 5 is slightly smaller than the width of the weak current wiring 2, and the diameter of the strong current contact hole 1 is slightly smaller than the width of the strong current wiring 4. The weak current contact hole 5 is used for installing and using a weak current alarm switch, a water pump switch, a communication component and an alarm acquisition wiring socket, and the strong current contact hole 1 is used for installing a power supply input cable, a terminal power supply output cable and a solenoid valve power supply output cable.
In this embodiment, ground contact hole 6 has been seted up to the left side below of base plate A face, and ground contact hole 6 has two, and two ground contact holes 6 enclose into isosceles triangle with the base plate boundary, and ground contact hole 6 passes through bolted connection on the shell, and this design makes the circuit board automatic just connect the control box shell when fixed to in the control box, and this is the installation standard requirement of control box shell ground connection.
In another embodiment, a tin adding jig plate used in cooperation with the fire-fighting dual-mode printed circuit board comprises a jig plate body 7, wherein the shape of the jig plate body 7 is the same as that of the printed circuit board, the thickness of the jig plate body 7 is 1.5-2mm, and strip-shaped tin injection ports 10 matched with the strong electric wiring 4 on the surface B of the substrate and hole-shaped tin injection ports 9 corresponding to the strong electric contact holes 1 are formed in the jig plate body 7; the jig plate body 7 is further provided with positioning holes 8 which correspond to the mounting holes 3 of the substrate and the grounding contact holes 6 one by one.
The jig plate body 7 is a ceramic plate or an bakelite plate. The four corners of the jig plate body 7 are provided with rounded corners of R2.
The processing mode is as follows: set up the weak current wiring at printed circuit board's base plate A face, arrange the strong current wiring at printed circuit board's B face, accomplish production after through the etching, then will the utility model discloses the tool that adds tin of record passes through the locating hole and fixes the B face at the base plate, then inserts the electrical component that needs the installation on the A face to fix through the adhesive tape, then use tin bar and tin rifle cooperation to melt the strip notes tin mouth and the poroid notes tin mouth of seting up on the tool plate body with the tin bar in, accomplish the process that increases the tin-plated layer on the strong current wiring. And then the subsequent mounting of the electric element on the B surface of the substrate is completed.
Or, the positioning hole is communicated with the grounding contact hole, other small plug-in holes corresponding to the surface B of the substrate are reserved on the tin adding plate body, meanwhile, heat dissipation paste is arranged on the non-strong electric wiring, the strong electric contact hole and the weak point contact upper diagram on the surface B of the substrate, the jig plate body of the tin adding jig is fixed with the substrate, then the plug-in components on the surface A of the substrate are welded and fixed in a tin adding mode according to the method, the plug-in components needing to be installed on the surface B of the substrate are directly installed on the jig plate body, and the jig plate body and the substrate are enabled to be integrally used.
The foregoing detailed description has provided for the present application and the principles and embodiments of the present application can be illustrated by specific examples, which are provided only for the purpose of facilitating understanding of the method and the core concept of the present application, and persons skilled in the art may change the embodiments and application scope according to the concept of the present application.
Claims (3)
1. The utility model provides a fire control is with bimodulus printed circuit board adds tin tool, adds tin tool board and includes the tool plate body, and the shape of tool plate body is the same with printed circuit board's shape, and tool plate body thickness is 1.5-2mm, its characterized in that: the jig plate body is provided with a strip-shaped tin injection port matched with the strong current wiring of the surface B of the substrate and a hole-shaped tin injection port corresponding to the strong current contact; the jig plate body is also provided with positioning holes which are in one-to-one correspondence with the substrate mounting holes and the grounding contact holes.
2. The fire-fighting dual-mode printed circuit board tin adding jig as defined in claim 1, wherein: the tool plate body is a ceramic plate or an bakelite plate.
3. The fire-fighting dual-mode printed circuit board tin adding jig as defined in claim 1, wherein: four apex angles of the jig plate body are provided with rounded corners of R2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021845887.1U CN213342829U (en) | 2020-08-30 | 2020-08-30 | Bimodulus printed circuit board adds tin tool for fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021845887.1U CN213342829U (en) | 2020-08-30 | 2020-08-30 | Bimodulus printed circuit board adds tin tool for fire control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213342829U true CN213342829U (en) | 2021-06-01 |
Family
ID=76101110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021845887.1U Active CN213342829U (en) | 2020-08-30 | 2020-08-30 | Bimodulus printed circuit board adds tin tool for fire control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213342829U (en) |
-
2020
- 2020-08-30 CN CN202021845887.1U patent/CN213342829U/en active Active
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