CN210004194U - lamp strip for preventing short circuit of plug - Google Patents
lamp strip for preventing short circuit of plug Download PDFInfo
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- CN210004194U CN210004194U CN201920776459.9U CN201920776459U CN210004194U CN 210004194 U CN210004194 U CN 210004194U CN 201920776459 U CN201920776459 U CN 201920776459U CN 210004194 U CN210004194 U CN 210004194U
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Abstract
The utility model relates to a lamp area of avoiding plug short circuit, including the LED flexible printed circuit board, the components and parts that include the LED lamp of welding on the circuit board, the insulating resin of outer parcel, its characterized in that, the LED flexible printed circuit board be single face circuit board, or double-sided circuit board, be provided with the power plug contact on the little board of LED flexible line, the position of contact adopts dislocation design from top to bottom, makes the interval distance between the contact increase, when the plug inserts the circuit board contact, the plug off normal can not lead to two adjacent contacts of plug connection and short circuit yet, has avoided short circuit to catch fire and cross color.
Description
Technical Field
The utility model relates to a circuit board and LED lamp area field thereof, concretely relates to avoid lamp area of plug short circuit.
Background
In the traditional lamp strip, positive and negative metal contacts which are in contact conduction with a circuit board and a power plug are arranged in vertical rows, when an externally-connected plug is in contact with the contacts, the contacts are easily inserted in a left-right mode to cause the positive and negative electrodes to be in short circuit and to be in fire, and the lamp strip is very dangerous, particularly a double-color or multi-color lamp strip, the circuit board is provided with more than three contacts, the interval between the contacts is smaller, and the short circuit, the fire and the color are more easily caused to be mixed.
In order to overcome above defect and not enough, the utility model discloses dislocation design about the contact on the circuit board adopts makes the interval distance between the contact strengthen, and when the circuit board contact was inserted to the plug, the plug off normal can not lead to two adjacent contacts of plug connection and short circuit yet, has avoided the short circuit to catch fire and has mixed the look.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a lamp area of avoiding plug short circuit, including the LED flexible printed circuit board, the components and parts that include the LED lamp of welding on the circuit board, the insulating resin of outer parcel, its characterized in that, the LED flexible printed circuit board be single face circuit board, or double-sided circuit board, be provided with the power plug contact on the LED flexible printed circuit board, the position of contact adopts upper and lower dislocation design, makes the interval distance between the contact increase, when the plug inserted the circuit board contact, the plug off normal also can not lead to two adjacent contacts of plug connection and short circuit, has avoided short circuit to catch fire and cross color.
The utility model provides a lamp strip for avoiding plug short circuit, which comprises an LED flexible circuit board, a component welded on the circuit board and containing an LED lamp, and an insulating resin wrapped outside, and is characterized in that the LED flexible circuit board is a single-sided circuit board or a double-sided circuit board, the LED flexible circuit board is provided with a positive and negative main line from head to tail, and an auxiliary line circuit of the welding lamp, the main lines of the circuit board for the single-color lamp strip are or group positive electrodes and or group negative electrodes, the main lines of the circuit board for the double-color lamp strip are or group positive electrodes and two or two groups negative electrodes, the main lines of the circuit board for the three-color lamp strip are or group positive electrodes and three or three groups negative electrodes, the lines of the four-color lamp strip are or group positive electrodes and four or four groups of negative electrodes, the circuit board is designed periodically, the lamp strip can be cut at a cutting position between periods, the lamp strip can be cut at the cutting position, two or three or four groups of positive and negative electrodes are designed to avoid the plug contacts from being staggered when the plug contacts are inserted into the adjacent plug contacts, the plug contacts are designed to be staggered, the plug contacts are staggered, the plug contacts are designed to avoid the plug contacts, the plug contacts to be staggered, the plug contacts, the.
According to the best mode of the invention, the lamp strips for avoiding short circuit of plug is characterized in that the contacts are arranged on the front component surface of the circuit board or on the back surface of the circuit board, or on the part of the front surface and on the part of the back surface.
According to the utility model discloses an preferred embodiment, avoid lamp area of plug short circuit characterized in that LED flexible printed circuit board, in cycle scissors position department, be provided with the shear line, still set up group's fishplate bar solder joints, a plurality of fishplate bar solder joints are linear arrangement, the fishplate bar solder joint is 2 or 3 or 4 or 5 for foot periodic replacement welded connection uses when needing the maintenance, welded connection uses when perhaps being used for the extension to connect.
According to the best mode of the invention, lamp strips for avoiding short circuit of plug are characterized in that the welding spots of the connecting plate are arranged on the front component surface of the circuit board or on the back surface of the circuit board or on the part of the front surface, and the other part of the connecting plate is on the back surface.
The details of or more embodiments of the invention are set forth in the accompanying drawings and the description below.
Drawings
The features, objects, and advantages of the present invention will become more apparent from the reading of the specification in conjunction with the following drawings, a brief description of which follows.
Fig. 1 is a single-sided circuit board of a monochromatic light strip, and adjacent contacts are in -position shifted from top to bottom .
Fig. 2 is a schematic plan view of a two-color lamp strip single-sided circuit board, and adjacent contacts adopt upper lower offset design.
Fig. 3 is a plan view of a three-color lamp strip single-sided circuit board, and adjacent contacts adopt upper lower offset design.
Fig. 4 is a three-color lamp strip single-sided circuit board, wherein an anode contact and a three-cathode contact adopt upper lower staggered design, and the three-cathode contact is arranged on the same vertical row.
Fig. 5 is a schematic plan view of a four-color lamp strip single-sided circuit board, and adjacent contacts adopt upper lower offset design.
Fig. 6 is a schematic front plane view of a three-color lamp strip single-sided circuit board, wherein the welding points of the connecting plate are arranged on the element surface on the front surface of the circuit board, the plug contacts are arranged on the back surface of the circuit board, and the adjacent contacts adopt upper lower staggered design.
Fig. 7 is a schematic back plane view of a three-color lamp strip single-sided circuit board, wherein the welding points of the connecting plate are arranged on the element surface on the front surface of the circuit board, the plug contacts are arranged on the back surface of the circuit board, and the adjacent contacts adopt upper lower staggered design.
Fig. 8 is a schematic plan view of a monochrome light strip double-sided circuit board, and adjacent contacts are designed to be staggered from the upper contacts to the lower contacts .
Fig. 9 is a schematic plan view of a two-color lamp strip double-sided circuit board, and adjacent contacts adopt upper lower offset design.
Fig. 10 is a schematic plan view of a three-color lamp strip double-sided circuit board, wherein adjacent contacts are arranged in a staggered manner below .
Fig. 11 is a schematic plan view of a three-color lamp strip double-sided circuit board, in which an anode contact and a three-cathode contact are staggered from top to bottom in at , and the three-cathode contacts are arranged on the same vertical row.
Fig. 12 is a schematic plan view of a four-color lamp strip double-sided circuit board, wherein adjacent contacts are arranged on in a staggered manner under .
Fig. 13 is three-color lamp area single-sided circuit board, and dislocation design under on is taken to adjacent contact, the naked lamp area plane sketch of three-color behind the SMT paster welding LED lamp.
Fig. 14 is three-color lamp area double-sided circuit board, and the positive pole contact takes to go up lower dislocation design with three negative pole contacts, and three negative pole contacts are on arranging with is erect, the naked lamp area plane sketch of three-color behind the SMT paster welding LED lamp.
Fig. 15 is a schematic cross-sectional view of a bare strip encapsulated to avoid a plug short.
Detailed Description
The present invention will be described in detail below by taking preferred embodiments as examples.
It will be understood by those skilled in the art that the following descriptions are only illustrative and descriptive of preferred embodiments and are not limiting on the claims of the present invention.
, and manufacturing of circuit board
1, manufacturing of single-sided circuit board
The manufacturing method comprises the steps of manufacturing a single-sided light strip circuit board by adopting a traditional circuit board manufacturing process and carrying out processes of screen printing of circuit ink, etching, film stripping, resistance welding, character and OSP (organic solderability preservative) oxidation prevention and the like on a single-sided flexible copper-clad plate, manufacturing the single-sided light strip circuit board shown in figure 1 according to different engineering design data, arranging positive and negative main line devices from head to tail and an auxiliary line circuit of a welding lamp on the single-sided light strip circuit board, arranging a bonding pad 3 for welding elements on the auxiliary line circuit, periodically designing the circuit board, designing a shearing position 4 in the period, enabling the manufactured light strip to be used by shearing at a shearing position, arranging two connecting plate welding spots 2 and two staggered positive and negative electrode contacts 1 at the periodic shearing position, and enabling the positive and negative electrode contacts 1 to be staggered under on to enable the distance between the contacts to be separated, and avoiding the situation that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to.
Or the double-color lamp strip single-sided circuit board is manufactured as shown in fig. 2, the double-color lamp strip single-sided circuit board is provided with two positive pole main lines and two negative pole main lines from head to tail, and an auxiliary line circuit of a welding lamp, a welding disc 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip manufactured by the method can be used by being sheared at a scissor position, three connecting plate welding spots 2 and three staggered positive and negative pole contacts 1 are arranged at the periodic scissor position, wherein the positive pole contacts 1 and the negative pole contacts 2 are arranged, and the pole contacts 1 are staggered under upper , so that the distance between the contacts is pulled open, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to deviation when the plug is inserted into the contacts is.
Or the three-color lamp strip single-sided circuit board is manufactured as shown in fig. 3, three positive electrode main lines and three negative electrode main lines from head to tail are arranged on the three-color lamp strip single-sided circuit board, an auxiliary line circuit of a welding lamp is arranged, a welding pad 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip manufactured by the three-color lamp strip single-sided circuit board can be used by being sheared at a scissor position, four connecting plate welding points 2 and four staggered positive and negative electrode contacts 1 are arranged at the periodic scissor position, wherein the number of the positive electrode contacts 1 and the number of the negative electrode contacts 3 are respectively, and the contacts 1 adopt a staggered design of upper lower part, so that the distance between the contacts is pulled apart, and the phenomenon that a plug is connected with two adjacent contacts.
Or the three-color lamp strip single-sided circuit board is manufactured as shown in fig. 4, the three-color lamp strip single-sided circuit board is provided with positive main lines and negative main lines from head to tail and an auxiliary line circuit for welding a lamp, a welding pad 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip used for manufacturing can be sheared and used in a scissor position, four connecting plate welding points 2 and four staggered positive and negative contacts 1 are arranged at the periodic scissor position, wherein positive contacts and three negative contacts are arranged, the positive contacts and the three negative contacts are in a staggered design from on , and the three negative contacts are arranged on the same vertical row, so that the distance between the contacts is pulled, and the situation that the positive plug and the negative contact plug are connected and short-circuited due to offset when the plug is inserted into the contacts is avoided (as shown in.
Or the four-color lamp strip single-sided circuit board shown in fig. 5 is manufactured, the four-color lamp strip single-sided circuit board is provided with positive main lines and negative main lines from head to tail, and an auxiliary line circuit of a welding lamp, the auxiliary line circuit is provided with a pad 3 for welding elements, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip manufactured by the four-color lamp strip single-sided circuit board can be used by being sheared at a scissor position, five fishplate bar welding spots 2 and five staggered positive and negative contacts 1 are arranged at the periodic scissor position, wherein the positive contacts 1 and the negative contacts 4 are arranged, and the contacts 1 adopt a staggered design of upper lower part, so that the distance between the contacts is pulled apart, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to deviation when the plug.
Or the three-color lamp strip single-sided circuit board is manufactured as shown in fig. 6 and 7, three positive main lines and three negative main lines from head to tail and an auxiliary line circuit of a welding lamp are arranged on the three-color lamp strip circuit board, a pad 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip used for manufacturing can be cut off and used in a scissor position, four fishplate bar welding points 2 are arranged on the front side of the circuit board, namely the element surface (as shown in fig. 6), four staggered positive and negative contacts 1 are arranged on the back side of the circuit board, wherein the positive contacts and the negative contacts three, and the adjacent contacts 1 are staggered from above (as shown in fig. 7), so that the distance of the contacts is pulled apart, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to offset when the plug is inserted into the contacts is avoided (as shown in fig. 6.
2. Double-sided circuit board manufacturing method
The method comprises the steps of adopting a traditional circuit board manufacturing process, carrying out line printing ink silk-screen printing, etching, film stripping, solder resisting, character and OSP anti-oxidation on a single-sided soft copper-clad plate to manufacture a single-sided circuit board, then coating glue on the back surface of the circuit board, and punching a through hole 2.1 and a through hole 1.1 (shown in figures 8, 9, 10, 11 and 12) at a position where a double-layer circuit needs to be conducted by using a designed and manufactured die on a punching machine.
Placing a plurality of coils of flat wires on a pay-off stand of a wire covering machine, positioning and arranging the flat wires through a spacing rod die arranged on the wire covering machine, attaching surfaces to the glue-coated surface of the single-sided circuit board punched with the through hole 2.1, attaching surfaces to the glue-coated surface of the back cover film, aligning and covering the flat wires on through a covering wheel, baking and curing to manufacture the lamp strip circuit board of the double-sided circuit.
According to different engineering design data, a monochromatic light strip double-sided circuit board shown in fig. 8 is manufactured, groups of positive and negative main lines from head to tail and an auxiliary line circuit of a welding lamp are arranged on the monochromatic light strip circuit board, a welding pad 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the manufactured light strip can be cut off at a scissor position for use, two fishplate bar welding points 2 and two staggered positive and negative contacts 1 are arranged at the periodic scissor position, the positive and negative contacts 1 adopt a staggered design of upper lower, the distance of the contacts is pulled, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to deviation when the plug is inserted into the contacts is avoided (as shown in fig. 8).
Or a double-sided circuit board of the double-color lamp strip as shown in fig. 9 is manufactured, the double-color lamp strip circuit board is provided with two groups of positive main lines and negative main lines from head to tail, and an auxiliary line circuit of a welding lamp, the auxiliary line circuit is provided with a pad 3 for welding elements, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip for manufacturing can be used by being sheared at a scissor position, three connecting plate welding spots 2 and three staggered positive and negative contacts 1 are arranged at the periodic scissor position, wherein the positive contacts 1 and the negative contacts 2 are arranged, and the positive contacts 1 adopt a staggered design of upper lower part, so that the distance between the contacts is pulled open, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to deviation when the plug is inserted into the contacts is avoided (as shown.
Or a three-color lamp strip double-sided circuit board as shown in fig. 10 is manufactured, three groups of positive main lines and three groups of negative main lines from head to tail and an auxiliary line circuit of a welding lamp are arranged on the three-color lamp strip circuit board, a welding pad 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip used for manufacturing can be sheared and used in a scissor position, four connecting plate welding points 2 and four staggered positive and negative contacts 1 are arranged at the periodic scissor position, wherein the number of the positive contacts is 1, the number of the negative contacts is 3, and the contacts 1 adopt a staggered design of upper lower part, so that the distance between the contacts is pulled apart, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to offset when the plug is inserted.
Or the three-color lamp strip single-sided circuit board is manufactured as shown in fig. 11, the three-color lamp strip single-sided circuit board is provided with positive main lines and negative main lines from head to tail, and an auxiliary line circuit of a welding lamp, the auxiliary line circuit is provided with a pad 3 for welding elements, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip used for manufacturing can be sheared and used in a scissor position, four connecting plate welding points 2 and four staggered positive and negative contacts 1 are arranged at the periodic scissor position, wherein positive contacts and three negative contacts are arranged, the positive contacts and the three negative contacts adopt a staggered design from on , and the three negative contacts are arranged on the same vertical row, so that the distance between the contacts is pulled, and the situation that the positive plug and the negative contact plug are connected and short-circuited due to offset when the plug is inserted into the contacts is avoided (as shown in fig.
Or a four-color lamp strip double-sided circuit board as shown in fig. 12 is manufactured, a positive main line group and a negative main line four group from head to tail and an auxiliary line circuit of a welding lamp are arranged on the four-color lamp strip circuit board, a welding pad 3 for welding elements is arranged on the auxiliary line circuit, the circuit board is periodically designed, a scissor position 4 is designed in a period, the lamp strip which is used for manufacturing the four-color lamp strip can be cut off and used in a scissor position, five fishplate bar welding spots 2 and five staggered positive and negative contacts 1 are arranged at the periodic scissor position, wherein the positive contacts 1 and the negative contacts 4 are arranged, and the contacts 1 adopt a staggered design of upper lower part, so that the distance between the contacts is pulled apart, and the phenomenon that a plug is connected with two adjacent contacts to be short-circuited or cross-colored due to offset when the plug is.
Two, SMT paster
The method is characterized in that a three-color lamp strip single-sided circuit board is used for welding, four staggered positive and negative contacts 1 are arranged, wherein the positive and negative contacts 1 and the negative contacts 3 are staggered on , the interval of the contacts is pulled apart, the problem that when a plug is inserted into the contacts, the plug is connected with two adjacent contacts in a short circuit or color crosstalk mode is solved, when the plug is inserted into the contacts, the three-color lamp strip is connected with a three-color double-sided circuit board, the three-color positive and negative contacts 1 after the LED lamp is welded by using a three-color lamp strip single-sided circuit board, the three-color positive and negative contacts are staggered on , the negative contacts 1 and the negative contacts 3 are staggered on , the interval of the contacts is pulled apart, the problem that the plug is connected with two adjacent contacts in a short circuit or color crosstalk mode due to deviation is solved, when the plug is inserted into the contacts, the plug is connected with the three positive contacts , the three contacts on , and the three-color plug is connected with the positive contacts of the anode contacts in a vertical plug row , and the negative contacts of the three-color plug is pulled apart from .
Third, wrapping insulating resin
The bare lamp strip pasted with the LED lamp is injected with the insulation resin 8 which is melted by heating through a die arranged on an extruder, the insulation resin 8 is extruded out of the extrusion die to wrap the bare lamp strip, meanwhile, the edge of the circuit board 7 is pressed, and the bare lamp strip which is prevented from being short-circuited by the plug and is manufactured through water cooling and shaping of a water tank as shown in figure 15.
The invention has been described in detail with reference to the specific embodiment of the lamp strip with short-circuit prevention plugs, however, it will be understood by those skilled in the art that the above description is only an example and description of specific embodiments, and is not intended to limit the scope of the invention, especially the scope of the appended claims.
Claims (4)
- A light strip of species for avoiding shorting of plugs, comprising:an LED flexible circuit board;the components and parts which are welded on the circuit board and comprise the LED lamps;an outer-coated insulating resin;the LED flexible circuit board is characterized in that the LED flexible circuit board is a single-sided circuit board or a double-sided circuit board, positive and negative electrode main lines from head to tail and auxiliary line circuits of a welding lamp are arranged on the LED flexible circuit board, the main lines of the circuit board for the monochromatic lamp strips are or groups of positive electrodes and or groups of negative electrodes, the main lines of the circuit board for the double-colored lamp strips are or groups of positive electrodes and two or two groups of negative electrodes, the main lines of the circuit board for the three-colored lamp strips are or groups of positive electrodes and three or three groups of negative electrodes, the main lines of the circuit board for the four-colored lamp strips are or groups of positive electrodes and four or four groups of negative electrodes, the circuit board is periodically designed, shearing positions are designed among the periods, the lamp strips can be sheared at the shearing positions for use, two or three or four or five plug contacts are designed beside the shearing positions, the adjacent contacts are designed to be staggered up and down, the distances of the contacts are pulled apart, the plugs are prevented from short circuit caused by the plug contact connection of two adjacent contacts due to the short circuit, the burning or the serial contacts, or the plug contacts are prevented from being pulled apart from the positive contacts due to the negative contacts due to the plug contacts due to the short circuit.
- 2. A light strip to avoid shorting of plugs as claimed in claim 1, wherein the contacts are disposed on the front component side of the circuit board or on the back side of the circuit board, or portion on the front side and portion on the back side.
- 3. A kind of light strip for avoiding short circuit of plug according to claim 1, wherein said LED flexible printed circuit board has a cut line at the position of periodic scissors, and groups of solder pads are provided, a plurality of solder pads are arranged in a straight line, and 2 or 3 or 4 or 5 solder pads are provided for periodically replacing the solder connection with foot when maintenance is required or for lengthening the solder connection.
- 4. A light strip adapted to avoid shorting of connectors according to claim 3, wherein the solder bumps are disposed on the front component side of the circuit board or on the back side of the circuit board, or portion on the front side and portion on the back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776459.9U CN210004194U (en) | 2019-05-21 | 2019-05-21 | lamp strip for preventing short circuit of plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776459.9U CN210004194U (en) | 2019-05-21 | 2019-05-21 | lamp strip for preventing short circuit of plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210004194U true CN210004194U (en) | 2020-01-31 |
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ID=69308226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920776459.9U Active CN210004194U (en) | 2019-05-21 | 2019-05-21 | lamp strip for preventing short circuit of plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210004194U (en) |
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2019
- 2019-05-21 CN CN201920776459.9U patent/CN210004194U/en active Active
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