CN209801227U - Portable showcase lamp strip - Google Patents
Portable showcase lamp strip Download PDFInfo
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- CN209801227U CN209801227U CN201921015201.3U CN201921015201U CN209801227U CN 209801227 U CN209801227 U CN 209801227U CN 201921015201 U CN201921015201 U CN 201921015201U CN 209801227 U CN209801227 U CN 209801227U
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- lamp strip
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Abstract
The utility model discloses a convenient type showcase lamp strip, including the lamp strip body, the lamp strip body include at least one PCB board and encapsulate in LED lamp pearl on the PCB board, the utility model discloses still include the shell fragment connector, PCB board both ends all are provided with the connection pad, shell fragment connector both sides all be provided with connect pad complex PCB board slot. The utility model adopts the above structure convenient type showcase lamp strip, through set up the connector between two lamp strip bodies, can be at the nimble length that sets up the lamp strip of scene, and through chooseing for use the constant current source power supply, solved because of the uneven problem of bright dark that the pressure drop leads to, reduced the overload requirement to lamp strip copper foil simultaneously.
Description
Technical Field
The utility model relates to a showcase lamp strip technique especially relates to a convenient type showcase lamp strip.
Background
The existing common showcase light bar in the market takes LED lamp beads as a light source and takes a 12V/24V constant voltage power supply as a drive, the scheme has the advantages that a fixed number of lamp beads (such as 3/6 lamp beads) are connected in series, and unlimited length groups are connected in parallel, so that theoretically, as long as the power supply power is enough, the lamp beads can be connected in random length, the universality of the product and the flexibility in use are improved, but the advantages of the lamp beads cannot be fully exerted in practical application, and other defects are caused, 1, as each group of lamp beads are connected in parallel through limited positive and negative copper foils, the lamp beads are longer along with the connection length, the problems of voltage drop and heating can be caused due to the overload capacity limit of copper wires and impedance, and the voltage drop exceeds 1.5V when the length of the light bar reaches 3 meters in practical application, so that the light brightness at the head and tail positions can; 2. because the LED light source is a non-linear load, small changes in voltage will cause changes in the current index level, therefore, when the LED light source is driven by the constant voltage power supply, the designed voltage is ensured to be the voltage value when the LED light source has the most appropriate current, and the voltage is ensured to be stable and unchanged, but when the LED light source is actually applied, because the voltage drop problem of the connection length can not accurately set the driving voltage and ensure the voltage consistency of different length positions, at the moment, a current-limiting resistor needs to be added in each group of series-connected lamp beads to limit the voltage to be higher than the voltage required by the LED when the voltage drop does not occur at the beginning, the problem of excessive current may be caused, but the setting of the current-limiting resistor is inevitable to consume power, reduce the efficiency of useful work, voltage drop is increased along with the increase of the connection length, the resistor consumes voltage, so that the voltage on the rear LED is insufficient and cannot normally emit light, and the brightness of the head and the tail is further enlarged; 3. the lamp strip connected mode is mostly the pad connection, welds public female seat and connects, and the welding finishes when leaving the factory, is difficult to generally be used for different customer's requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient type showcase lamp strip through set up the connector between two lamp strip bodies, can be at the nimble length that sets up the lamp strip of scene, and through chooseing for use the constant current source power supply, has solved the uneven problem of brightness that leads to because of the pressure drop, has reduced the overload requirement to the lamp strip copper foil simultaneously.
In order to achieve the purpose, the utility model provides a convenient type showcase lamp strip, including the lamp strip body, the lamp strip body include at least one PCB board and encapsulate in LED lamp pearl on the PCB board, the utility model discloses still include the shell fragment connector, PCB board both ends all are provided with the connection pad, shell fragment connector both sides all be provided with connect pad complex PCB board slot.
Preferably, a shear line is arranged between two adjacent PCB boards, and the shear line is positioned between two adjacent connecting bonding pads.
Preferably, the connection pad comprises an anode welding spot and a cathode welding spot, and the PCB slot is provided with an anode slot and a cathode slot corresponding to the anode welding spot and the cathode welding spot respectively.
Preferably, the lamp strip body is electrically connected with the constant current source.
Therefore, the utility model discloses an adopt the convenient type showcase lamp strip of above-mentioned structure, through set up the connector between two lamp strip bodies, can set up the length of lamp strip in the scene is nimble, and through chooseing for use the constant current source power supply, solved because of the uneven problem of brightness that the pressure drop leads to, reduced the overload requirement to lamp strip copper foil simultaneously.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is the utility model discloses an embodiment a PCB board of convenient type showcase lamp strip and shell fragment connector's packaging structure schematic diagram.
Wherein: 1. a PCB board; 2. LED lamp beads; 3. a spring plate connector; 4. a PCB board slot; 5. and connecting the bonding pads.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.
FIG. 1 is a schematic diagram showing an assembly structure of a PCB and a spring plate connector of a portable showcase light bar according to an embodiment of the present invention, as shown in FIG. 1, the structure of the present invention comprises a light bar body including at least one PCB 1 and LED lamp beads 2 encapsulated on the PCB 1, the PCB 1 is arranged in a linear arrangement, the present invention further comprises a spring plate connector 3, both ends of the PCB 1 are provided with connection pads 5, the connection pads 5 are electrically connected with the LED lamp beads 2, both sides of the spring plate connector 3 are provided with PCB slots 4 matched with the connection pads 5, a shear line is arranged between two adjacent PCB 1, the shear line is located between two adjacent connection pads 5, and the connection pads 5 include an anode solder joint and a cathode solder joint, the PCB slots 4 are provided with an anode slot and a cathode slot respectively corresponding to the positions of the anode solder joint and the cathode solder joint, can confirm lamp strip length according to the on-the-spot condition during the use, cut short PCB board 1 along the shear line through using the scissors promptly, the connection pad 5 that will be located its end inserts the PCB board slot 4 that is located 3 one sides of shell fragment connector again, when noticing to insert, anodal solder joint corresponds anodal slot, the negative pole solder joint corresponds the negative pole slot, it is same, 3 opposite side PCB board slots 4 of shell fragment connector are pegged graft another lamp strip that cuts, realize nimble installation in order to adapt to on-the-spot size, need not to be equipped with the electric iron specially, instrument materials such as soldering tin and professional, the operation is more convenient.
Preferably, lamp strip body and constant current source electric connection, it is unanimous to have guaranteed the electric current of each lamp pearl of flowing through from this, thereby guarantee luminance unanimously, it makes the pressure drop because of connecting length and causing to have solved parallelly connected lamp strip, and the uneven problem of brightness that leads to, increase along with the length increase of connecting the lamp pearl because of the electric current, so it is not high to light strip copper line overload requirement, can design lamp strip size littleer on the one hand, on the other hand has reduced power and the heat of consuming on the lamp strip copper, need not current-limiting resistor, overall efficiency is higher, basically, power output's power is useful work, it can neglect to consume on the circuit.
Therefore, the utility model discloses an adopt the convenient type showcase lamp strip of above-mentioned structure, through set up the connector between two lamp strip bodies, can set up the length of lamp strip in the scene is nimble, and through chooseing for use the constant current source power supply, solved because of the uneven problem of brightness that the pressure drop leads to, reduced the overload requirement to lamp strip copper foil simultaneously.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a convenient type showcase lamp strip, includes the lamp strip body, the lamp strip body include at least one PCB board and encapsulate in LED lamp pearl on the PCB board, its characterized in that: the PCB is characterized by further comprising an elastic sheet connector, wherein connecting bonding pads are arranged at two ends of the PCB, and PCB slots matched with the connecting bonding pads are arranged on two sides of the elastic sheet connector.
2. The portable showcase light bar of claim 1, wherein: a shear line is arranged between every two adjacent PCB boards and is positioned between every two adjacent connecting bonding pads.
3. The portable showcase light bar of claim 1, wherein: the PCB board slot is provided with an anode slot and a cathode slot corresponding to the anode welding spot and the cathode welding spot respectively.
4. The portable showcase light bar of claim 1, wherein: the lamp strip body is electrically connected with the constant current source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015201.3U CN209801227U (en) | 2019-07-02 | 2019-07-02 | Portable showcase lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015201.3U CN209801227U (en) | 2019-07-02 | 2019-07-02 | Portable showcase lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801227U true CN209801227U (en) | 2019-12-17 |
Family
ID=68817769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921015201.3U Active CN209801227U (en) | 2019-07-02 | 2019-07-02 | Portable showcase lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209801227U (en) |
-
2019
- 2019-07-02 CN CN201921015201.3U patent/CN209801227U/en active Active
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