CN212064475U - Circuit board with flame retardant property - Google Patents
Circuit board with flame retardant property Download PDFInfo
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- CN212064475U CN212064475U CN201921783064.8U CN201921783064U CN212064475U CN 212064475 U CN212064475 U CN 212064475U CN 201921783064 U CN201921783064 U CN 201921783064U CN 212064475 U CN212064475 U CN 212064475U
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- circuit board
- retardant
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- flame
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Abstract
The utility model discloses a circuit board with fire behaviour, including circuit board protective housing, screw thread limiting plate, threaded rod, thread tightening stopper, circuit board, fire-retardant board, nonwoven screen cloth, silica gel hygroscopic layer, components and parts fire-retardant shell, paper membrane, fire retardant, housing, stitch fixed column, bracing piece and fire-retardant bottom plate. The utility model has the advantages that: this device plays the fire-retardant effect of circuit board when burning through fire-retardant board, play the effect of putting out a fire when components and parts on to the circuit board burn through components and parts fire-proof shell, prevent that the burning of single components and parts from leading to the effect of igniting of burning components and parts to components and parts around it simultaneously, play the effect of protection components and parts, this device has dehumidification housing structure, can play dampproofing effect to the circuit board through this structure, not only have moisture absorption dampproofing effect, can also play the installation work to the circuit board through the housing, instrument such as screw and screwdriver need not during the installation, and is swift convenient, be favorable to the dismantlement of circuit board, maintenance work.
Description
Technical Field
The utility model relates to a circuit board specifically is a circuit board with fire behaviour, belongs to circuit board application technical field.
Background
The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout.
When the circuit board is in use, the temperature of components and parts can be increased due to improper use of electronic components on the circuit board, the circuit board is easy to burn due to accumulation of the temperature of the components and parts, the components and parts and the circuit board are damaged, corresponding instruments can be burnt, the heating conditions of different electronic components are different, some components and parts generate heat easily, the high temperature can be transmitted to the components and parts around the components and parts, and the damage of the components and parts is increased. Accordingly, a circuit board having flame retardant properties has been proposed to address the above problems.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a circuit board with flame retardant properties to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a circuit board with fire behaviour, including circuit board, components and parts fire-retardant shell and dehumidification housing structure, the equal fixed mounting of the upper and lower both sides face of circuit board has fire-retardant board, the fixed surface of fire-retardant board installs components and parts fire-retardant shell, the dehumidification housing structure is installed in the side grafting of circuit board.
Preferably, dehumidification housing structure includes circuit board protective housing, screw thread limiting plate, threaded rod, thread fixing stopper, non-woven fabrics and silica gel hygroscopic layer, the inner chamber roof fixedly connected with non-woven fabrics of circuit board protective housing, the inside packing of non-woven fabrics has the silica gel hygroscopic layer, the equal fixedly connected with threaded rod in four corners of circuit board protective housing, threaded connection has screw thread limiting plate and thread fixing stopper on the flank of thread of threaded rod.
Preferably, the flame-retardant shell of the component comprises a paper film, a flame retardant, a housing, pin fixing columns, supporting rods and a flame-retardant bottom plate, wherein the upper surface of the circuit board is fixedly connected with the flame-retardant bottom plate, the pin fixing columns are fixedly mounted on the flame-retardant bottom plate, one ends of the supporting rods are fixedly connected to two sides of the flame-retardant bottom plate, the housing is fixedly connected to the other ends of the two supporting rods, the paper film is fixedly connected to the upper wall of an inner cavity of the housing, and the flame retardant is filled in the paper film.
Preferably, the number of the pin fixing columns is determined by the number of pins of the correspondingly mounted component.
Preferably, the number of the component flame-proof cases is determined by the number of components mounted on the circuit board.
Preferably, the thread fixing plug is installed below the thread limiting plate.
The utility model has the advantages that:
1. this device plays the fire-retardant effect of circuit board when the burning through fire-retardant board, plays the effect of putting out a fire when components and parts on to the circuit board burn through components and parts fire prevention shell, prevents simultaneously that the burning of single components and parts from leading to the effect of igniting of burning components and parts to its components and parts on every side, plays the effect of protection components and parts.
2. This device has dehumidification housing structure, can play dampproofing effect to the circuit board through this structure, not only has the dampproofing effect of moisture absorption, can also play installation work to the circuit board through the housing, does not need instrument such as screw and screwdriver during the installation, and is swift convenient, is favorable to the dismantlement of circuit board, maintenance work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is the internal structure schematic diagram of the flame-proof shell of the component.
In the figure: 1. the circuit board protective housing, 2, screw thread limiting plate, 3, threaded rod, 4, thread fixing stopper, 5, circuit board, 6, fire-retardant board, 7, non-woven fabrics, 8, silica gel hygroscopic layer, 9, components and parts fire-retardant shell, 901, paper membrane, 902, fire retardant, 903, housing, 904, stitch fixed column, 905, bracing piece, 906, fire-retardant bottom plate.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a circuit board with flame retardant property includes a circuit board 5, a device flame-retardant shell 9 and a dehumidifying cover structure, wherein flame-retardant plates 6 are fixedly mounted on both upper and lower side surfaces of the circuit board 5, the device flame-retardant shell 9 is fixedly mounted on the surface of the flame-retardant plates 6, and the dehumidifying cover structure is inserted into the side surface of the circuit board 5.
The dehumidifying housing structure comprises a circuit board protecting shell 1, a threaded limiting plate 2, a threaded rod 3, a threaded fixing plug 4, a non-woven fabric 7 and a silica gel moisture absorption layer 8, wherein the non-woven fabric 7 is fixedly connected to the top wall of an inner cavity of the circuit board protecting shell 1, the silica gel moisture absorption layer 8 is filled in the non-woven fabric 7, the threaded rod 3 is fixedly connected to four corners of the circuit board protecting shell 1, and the threaded limiting plate 2 and the threaded fixing plug 4 are in threaded connection with the threaded surface of the threaded rod 3; the component flame-retardant shell 9 comprises a paper film 901, a flame retardant 902, a housing 903, pin fixing columns 904, supporting rods 905 and a flame-retardant bottom plate 906, wherein the upper surface of the circuit board 5 is fixedly connected with the flame-retardant bottom plate 906, the pin fixing columns 904 are fixedly arranged on the flame-retardant bottom plate 906, one ends of the supporting rods 905 are fixedly connected to two sides of the flame-retardant bottom plate 906, the housing 903 is fixedly connected to the other ends of the two supporting rods 905, the paper film 901 is fixedly connected to the upper wall of the inner cavity of the housing 903, and the flame retardant 902 is filled in the paper film 901; the number of the pin fixing posts 904 is determined by the number of pins of the correspondingly mounted component; the number of the component flame-proof shell 9 is determined by the number of components mounted on the circuit board; the thread fixing plug 4 is arranged below the thread limiting plate 2.
When the utility model is used, firstly, components are fixedly installed on the stitch fixing column 904, the circuit board 5 is inserted in the inner cavity of the circuit board protective shell 1, then the thread limiting plate 2 is rotated, the thread limiting plate 2 is rotated on the threaded rod 3 through the thread of the thread limiting plate 2, the thread limiting plate 2 is used for fixedly clamping the circuit board 5, then the threaded rod 3 is inserted in the mounting hole of the board needing to be provided with the circuit board, finally the thread fixing plug 4 is rotated, the board is fixed through the clamping action between the thread fixing plug 4 and the thread limiting plate 2, thus the mounting work of the circuit board 5 is completed, the space between the circuit board protective shell 1 and the circuit board 5 is subjected to moisture absorption and removal through the silica gel moisture absorption layer 8 in the non-woven fabric 7, when the circuit board 5 is burnt due to overhigh heat, the circuit board 5 is prevented from further burning through the flame retardant, when the components on the circuit board 5 are overheated and burn, the paper film 901 is broken due to burning, the flame retardant 902 in the paper film 901 is sprinkled on the burning components to perform flame retardant operation on the components, and then the flame of the burning components is prevented from igniting the components and the circuit board 5 around the flame retardant device through the cover 903 and the flame retardant bottom plate 906 around the components, so that the components are protected.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A circuit board having flame retardant properties, characterized by: including circuit board (5), components and parts fire prevention shell (9) and dehumidification housing structure, the equal fixed mounting of the upper and lower both sides face of circuit board (5) has fire-retardant board (6), the fixed surface of fire-retardant board (6) installs components and parts fire prevention shell (9), the side of circuit board (5) is pegged graft and is installed dehumidification housing structure.
2. The circuit board with flame retardant property according to claim 1, wherein: the dehumidifying housing structure comprises a circuit board protective housing (1), a thread limiting plate (2), a threaded rod (3), a thread fixing plug (4), a non-woven fabric (7) and a silica gel moisture absorption layer (8), the inner cavity top wall fixedly connected with non-woven fabric (7) of the circuit board protective housing (1), the silica gel moisture absorption layer (8) is filled in the non-woven fabric (7), the threaded rod (3) is fixedly connected with the four corners of the circuit board protective housing (1), and the thread limiting plate (2) and the thread fixing plug (4) are connected to the thread face of the threaded rod (3) in a threaded manner.
3. The circuit board with flame retardant property according to claim 1, wherein: the component flame-retardant shell (9) comprises a paper film (901), a flame retardant (902), a housing (903), pin fixing columns (904), supporting rods (905) and a flame-retardant bottom plate (906), wherein the upper surface of the circuit board (5) is fixedly connected with the flame-retardant bottom plate (906), the pin fixing columns (904) are fixedly mounted on the flame-retardant bottom plate (906), one ends of the supporting rods (905) are fixedly connected to two sides of the flame-retardant bottom plate (906), the housing (903) is fixedly connected to the other end of each supporting rod (905), the paper film (901) is fixedly connected to the upper wall of an inner cavity of the housing (903), and the flame retardant (902) is filled in the paper film (901).
4. A circuit board having flame retardant properties according to claim 3, wherein: the number of the pin fixing columns (904) is determined by the number of pins of the correspondingly mounted component.
5. The circuit board with flame retardant property according to claim 1, wherein: the number of the component flame-proof cases (9) is determined by the number of components mounted on the circuit board.
6. A circuit board having flame retardant properties according to claim 2, wherein: the thread fixing plug (4) is arranged below the thread limiting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783064.8U CN212064475U (en) | 2019-10-23 | 2019-10-23 | Circuit board with flame retardant property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783064.8U CN212064475U (en) | 2019-10-23 | 2019-10-23 | Circuit board with flame retardant property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212064475U true CN212064475U (en) | 2020-12-01 |
Family
ID=73508019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921783064.8U Active CN212064475U (en) | 2019-10-23 | 2019-10-23 | Circuit board with flame retardant property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212064475U (en) |
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2019
- 2019-10-23 CN CN201921783064.8U patent/CN212064475U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210907 Address after: 523000 Room 301, building 1, No. 3, Hengli South Ring Road, Hengli Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN RICO ELECTRONIC Co.,Ltd. Address before: 325804 No. 251, Jianqiao village, Xin'an Township, Cangnan County, Wenzhou City, Zhejiang Province Patentee before: Lin Xige |
|
| TR01 | Transfer of patent right |