CN210244914U

CN210244914U - Lamp strip suitable for LED display screen

Info

Publication number: CN210244914U
Application number: CN201921475763.6U
Authority: CN
Inventors: Zuliang Chen; 陈祖梁; Yubin Li; 李钰彬
Original assignee: Quanzhou Xinrui Photoelectric Technology Co Ltd
Current assignee: Quanzhou Xinrui Photoelectric Technology Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-04-03
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a lamp strip suitable for an LED display screen, which belongs to the technical field of LED display screens and comprises a PCB board and a plurality of lamp beads which are detachably arranged on the PCB board, it is characterized in that the PCB board is provided with a first mounting groove and a second mounting groove, the second mounting groove and the lamp bead are respectively provided with a static contact and a dynamic contact, when the dynamic contact is connected with the static contact, the circuit of the PCB and the lamp bead is conducted, a boss is arranged between the first mounting groove and the second mounting groove, the boss is internally provided with a clamping device for clamping the lamp bead, compared with the traditional LED lamp bead mounting structure, the utility model adopts the movable clamping convex to press the lamp bead when mounting, after the installation is completed, the corresponding state can be kept, so that the condition that the contact is not loosened can not occur on the PCB for installing the LED lamp beads, and meanwhile, the lamp beads are convenient and simple to disassemble and assemble.

Description

Lamp strip suitable for LED display screen

Technical Field

The utility model discloses a lamp strip suitable for LED display screen belongs to LED display screen technical field.

Background

The LED is called a semiconductor light emitting diode, is made of semiconductor materials, and is a light emitting device for directly converting electric energy into light energy and converting electric signals into optical signals, and is characterized by having the advantages of low power consumption, high brightness, bright color, vibration resistance, long service life (normal light emitting for 8-10 ten thousand hours), cold light source and the like, so that the LED light emitting device is real 'green lighting', a lamp decoration product taking the LED as a light source can replace an incandescent lamp in the future and becomes a further revolution of human lighting, the conventional display screen is fixed by an LED patch lamp bead in a mode of clamping two ends, but the LED patch lamp bead is easy to cause loose contact points or insufficient middle stress points to cause poor contact, and the service performance is reduced.

The utility model discloses a utility model patent that the announcement is CN209130603U discloses a LED paster lamp pearl for display screen relates to LED paster lamp pearl field. The LED surface-mounted lamp bead is stably reinforced, so that the using performance is improved. This LED paster lamp pearl for display screen, including supporting fixing device, joint stop device, location reinforcing apparatus, lamp pearl fixing device, the inside fixed mounting who supports fixing device has joint stop device.

Above-mentioned patent all sets up through the both ends of consolidating the direction fixture block with two sets of support direction gyro wheel assorted No. two direction inclined planes, and two sets of support direction gyro wheels all are located the inside of No. two spacing draw-in grooves, when making lamp pearl paster frame toward lamp pearl positioning groove internal motion, consolidate the inside that the frame was consolidated to the fine entering location of direction fixture block, and stable support the fixture block with two sets of reinforcement through two sets of support direction gyro wheels and move to both ends, consolidate lamp pearl paster frame, thereby stability can and performance have been improved, this patent provides a new LED lamp pearl connection structure, with the condition that can not take place the contact and become flexible on guaranteeing LED lamp pearl installation lamp strip, also convenient the dismantlement simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lamp strip suitable for LED display screen in order to solve present LED paster lamp pearl and cause the contact point easily not hard up or middle stress point not enough and lead to contact failure to reduce the problem of performance.

The utility model achieves the purpose through the following technical proposal, and the lamp strip suitable for the LED display screen comprises a PCB board and a plurality of lamp beads which are detachably arranged on the PCB board, it is characterized in that the PCB board is provided with a first mounting groove and a second mounting groove, the second mounting groove and the lamp bead are respectively provided with a static contact and a dynamic contact, when the dynamic contact is connected with the static contact, the circuit of the PCB and the lamp bead is conducted, a boss is arranged between the first mounting groove and the second mounting groove, the boss is internally provided with a clamping device for clamping the lamp bead, the clamping device comprises a movable clamping boss which can move back and forth in the boss, the lamp bead is provided with a clamping groove, the movable clamping protrusion is matched with the clamping groove, the lamp bead is provided with a pressing device, when the lamp beads rotate, the movable clamping protrusions are pressed through the pressing device and are inserted into the clamping grooves.

Through adopting above-mentioned technical scheme, set up block device and press device, insert the lamp pearl in first mounting groove and the second mounting groove on the PCB board, and through rotatory lamp pearl, drive the press device motion and begin to exert the effort to block device, make the protruding center towards the lamp pearl of activity card move, insert in the draw-in groove afterwards, thereby accomplish the lamp pearl assembly, after the lamp pearl is pushed down to the protruding card of activity simultaneously, lie in the contact of static contact on the PCB board and the dynamic contact on the lamp pearl, make the circuit in PCB board and the lamp pearl switch on, compare with traditional LED lamp pearl mounting structure, because adopt the protruding lamp pearl of activity card to press when the installation, also can keep corresponding state after the installation is accomplished, in order to guarantee that LED lamp pearl installs the not hard up condition of contact can not take place on the PCB board, the easy dismounting of lamp pearl is simple simultaneously.

Preferably, the activity card is protruding including the movable block that is L shape and the spring that is located the movable block side, be provided with the guide post on the movable block, the guide post runs through the boss setting.

Through adopting above-mentioned technical scheme, set up the spring, can be when the protruding effort that receives press device of activity card, it can take place deformation and compression, through the spring reset when the protruding effort that loses of activity card, the guide post can play the effect of direction when the protruding removal of activity card, and guide post connection is in the inside of boss simultaneously, and it can avoid the protruding PCB board that falls out of activity card.

Preferably, the movable clamping protrusions are arranged at two sides of the lamp bead symmetrically.

Through adopting above-mentioned technical scheme, it is protruding to set up two activity cards of symmetry for the lamp pearl atress is balanced, so that dynamic contact and static contact completely, avoid taking place the condition that single-point contact leads to luminous fluorescent tube not bright.

Preferably, the matching surface of the movable block and the clamping groove is an inclined surface, and the clamping groove is of an annular through groove structure.

Through adopting above-mentioned technical scheme, the movable block passes through the inclined plane and the draw-in groove cooperation, inserts the draw-in groove when movable block one end and can applys decurrent effort to the lamp pearl to further guarantee the better contact of dynamic contact and static contact, can not take place not hard up.

Preferably, the activity is provided with the press head, press device is including setting up arc section and the pressing section on lamp pearl inner wall.

Through adopting above-mentioned technical scheme, press device comprises the circular arc section and the section of pressing, the section of pressing is vertical face, its central distance to first mounting groove is less than the radius of circular arc section, when the press head supports when pressing the section, the activity card is protruding to insert the draw-in groove under the atress effect this moment, and after continuing to rotate the lamp pearl, press head and circular arc section cooperation, the activity card is protruding to restore to the throne under the effect of spring this moment, the lamp pearl loses the packing force, thereby make dynamic contact and static contact disconnection, and when the next section of pressing was joined in marriage with the press head, the lamp pearl will continue the atress and make next dynamic contact and static contact.

Preferably, an elastic member is arranged in the second mounting groove, and the height of the elastic member is greater than that of the static contact.

Through adopting above-mentioned technical scheme, set up the elastic component, its height is greater than the height of static contact, utilizes the inclined plane cooperation of movable block and draw-in groove to make the lamp pearl exert pressure to the elastic component, the elastic component can exert the counteraction to the lamp pearl when the compression, so that it keeps the trend of upward movement, so dynamic contact is more firm with the contact of static contact.

Preferably, the inner side of the lamp bead is provided with a light-gathering cover.

Through adopting above-mentioned technical scheme, set up the snoot, it can produce the reflection to the light that luminous tube sent and assemble the effect to improve the display brightness of lamp pearl.

Preferably, the lamp beads and the PCB are both provided with radiating fins.

Through adopting above-mentioned technical scheme, set up radiating fin, can improve the radiating effect of PCB board and lamp pearl to prolong its life.

Compared with the prior art, the beneficial effects of the utility model are that:

set up block device and press device, insert the lamp pearl in first mounting groove and the second mounting groove on the PCB board, and through rotating the lamp pearl, drive press device motion and begin to exert the effect to block device, make the protruding center towards the lamp pearl of activity card move, insert in the draw-in groove afterwards, thereby accomplish the lamp pearl assembly, the protruding lamp pearl of activity card is back of pushing down, lie in the laminating of static contact on the PCB board and the dynamic contact on the lamp pearl, make the circuit in PCB board and the lamp pearl switch on, compare with traditional LED lamp pearl mounting structure, because adopt the protruding lamp pearl of activity card to press down when the installation, also can keep corresponding state after the installation is accomplished, in order to guarantee that LED lamp pearl installs the not hard up condition of contact can not take place on the PCB board, the easy dismounting of lamp pearl is simple simultaneously.

Drawings

Fig. 1 is a perspective view of a light bar suitable for an LED display screen of the present invention, which is used for displaying an assembly structure of a lamp bead and a PCB board;

fig. 2 is an internal structure view of a light bar suitable for an LED display screen of the present invention, for displaying the mounting structure of a pressing device and a fastening device;

FIG. 3 is a partially enlarged view of the PCB for showing the mounting structure of the movable snap-in projection and the PCB;

FIG. 4 is a first perspective view of a lamp bead for displaying the identification code and the structure of the heat dissipation fin;

FIG. 5 is a second perspective view of a lamp bead for displaying the structures of the pressing section, the arc section and the dynamic contact;

fig. 6 is a perspective view of the movable clamping protrusion for showing the structure of the movable clamping block, the spring and the pressing head.

Reference numerals: 1. a lamp bead; 2. a PCB board; 3. a light emitting lamp tube; 4. a light-gathering cover; 5. a pressing device; 6. a heat dissipating fin; 7. a clamping device; 8. a static contact; 9. an elastic member; 10. a first mounting groove; 11. a second mounting groove; 12. a boss; 13. the movable clamp is convex; 14. an identification code; 15. a circular arc section; 16. a pressing section; 17. a dynamic contact; 18. a pressing head; 19. a bevel; 20. a movable block; 21. a guide post; 22. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, a light bar suitable for LED display screen, includes a PCB 2 and a plurality of light beads 1 detachably mounted on the PCB 2, at least two sets of light emitting tubes 3 are disposed in the light beads 1, and at least two sets of dynamic contacts 17 are further disposed on the light beads 1, wherein the light emitting tubes 3 are correspondingly coupled with the dynamic contacts 17, so as to control the light emitting tubes 3 corresponding thereto to emit light through different dynamic contacts 17, and the specific structure of the light emitting tubes 3 can be an annular tube structure equidistantly distributed along the height direction of the light beads 1 or a U-shaped tube structure distributed around the center of the light beads 1, the light emitting tubes 3 of the annular structure can keep the same brightness, and the light emitting tubes 3 of the plurality of sets of U-shaped structures are located at the same height, which can provide convenience in mounting, a first mounting groove 10 and a second mounting groove 11 are disposed on the PCB 2, wherein a boss 12 is arranged between the first mounting groove 10 and the second mounting groove 11, the lower end of the lamp bead 1 is inserted into the first mounting groove 10 and the second mounting groove 11, a rotary trigger mechanism is arranged between the lamp bead 1 and the PCB 2, the rotary trigger mechanism is composed of a pressing device 5 and a clamping device 7, the clamping device 7 is arranged in the boss 12 and can move back and forth in the boss 12, the specific structure is a movable clamping projection 13, the movable clamping projection 13 is composed of a movable block 20 and a spring 22, the movable block 20 is L-shaped, the spring 22 is provided with two parts and is symmetrically arranged at two sides of a guide post 21 at the middle part of the movable block 20, the other side of the movable block 20 is provided with a pressing head 18, when the pressing head 18 is pressed, the movable block 20 moves and compresses the spring 22, and can be matched with the lower end of the lamp bead 1 after moving for a certain distance, thereby fix lamp pearl 1 on PCB board 2, dynamic contact 17 contacts with static contact 8 this moment, and the fitting surface of movable block 20 and draw-in groove is inclined plane 19, be provided with elastic component 9 in the second mounting groove 11 simultaneously, it can adopt rubber to make, and certain elasticity has, elastic component 9 highly will be higher than static contact 8's height, utilize the inclined plane 19 cooperation of movable block 20 and draw-in groove, thereby make lamp pearl 1 exert pressure to elastic component 9, elastic component 9 can exert the counteraction to lamp pearl 1 when the compression, so that it keeps the trend of upward movement, so dynamic contact 17 is more firm with static contact 8's laminating, the not hard up condition of contact can not take place, also convenient the dismantlement simultaneously.

The pressing device 5 is arranged on the lamp bead 1 and is provided with a plurality of pressing sections 16 and arc sections 15, the pressing sections 16 are vertical surfaces, the distance from the center of the first mounting groove 10 is smaller than the radius of the arc sections 15, the pressing sections 16 and the arc sections 15 are provided with a plurality of pressing sections 16, the pressing sections 16 correspond to the dynamic contacts 17 on the lamp bead 1 one by one, when the clamping device 7 and the lamp bead 1 are in a separated state, the lamp bead 1 is continuously rotated, the pressing head 18 gradually slides to the pressing sections 16 along the arc sections 15 and applies pressure to the pressing head 18, so that the movable block 20 is pushed to be close to the lamp bead 1 and then is clamped in the clamping groove, thereby fixing the lamp bead 1 is completed, at the moment, the dynamic contacts 17 are in contact with the static contacts 8, the circuit is in a conducting state, and when the lamp bead 1 needs to be dismounted or the lighting of different lighting tubes 3 needs to be adjusted, so that press head 18 from the cooperation with pressing section 16 change into with the cooperation of circular arc section 15, movable block 20 will lose the restriction effect and reset under spring 22's effect this moment, so that lamp pearl 1 is in and to dismantle or can carry out the switching state between the luminous fluorescent tube 3, and still be provided with the identification code 14 corresponding with luminous fluorescent tube 3 on the lamp pearl 1, can make things convenient for the operator to know whether firm with the installation of lamp pearl 1 fast, also can adjust required luminous colour or luminance with each lamp pearl 1 as required, therefore, the clothes hanger is strong in practicability.

Secondly, set up snoot 4 in the inboard of lamp pearl 1, can produce the reflection to the light that luminous tube 3 sent and assemble the effect to improve the display brightness of lamp pearl 1, and all be provided with radiating fin 6 on lamp pearl 1 and the PCB board 2, can dispel the heat to PCB board 2 and the lamp pearl 1 that generate heat for a long time, thereby prolong its life.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A lamp strip suitable for an LED display screen comprises a PCB (2) and a plurality of lamp beads (1) which are detachably mounted on the PCB (2), and is characterized in that a first mounting groove (10) and a second mounting groove (11) are arranged on the PCB (2), a static contact (8) and a dynamic contact (17) are respectively arranged on the second mounting groove (11) and the lamp beads (1), when the dynamic contact (17) is connected with the static contact (8), a circuit of the PCB (2) and the lamp beads (1) is conducted, a boss (12) is arranged between the first mounting groove (10) and the second mounting groove (11), a clamping device (7) used for clamping the lamp beads (1) is arranged in the boss (12), the clamping device (7) comprises a movable clamping convex part (13) which can move back and forth in the boss (12), and a clamping groove is arranged on the lamp beads (1), the movable clamping convex (13) is matched with the clamping groove, a pressing device (5) is arranged on the lamp bead (1), and when the lamp bead (1) rotates, the movable clamping convex (13) is pressed through the pressing device (5) and the movable clamping convex (13) is inserted into the clamping groove.

2. The light bar suitable for the LED display screen of claim 1, wherein the movable clamping protrusion (13) comprises an L-shaped movable block (20) and a spring (22) located on the side surface of the movable block (20), a guide post (21) is arranged on the movable block (20), and the guide post (21) is arranged through the boss (12).

3. The light bar suitable for the LED display screen is characterized in that two movable clamping protrusions (13) are arranged and are symmetrically arranged on two sides of the light bead (1).

4. The light bar suitable for the LED display screen of claim 2, wherein the matching surface of the movable block (20) and the slot is an inclined surface (19), and the slot is of an annular through slot structure.

5. The light bar suitable for the LED display screen is characterized in that a pressing head (18) is arranged on the movable block (20), and the pressing device (5) comprises a circular arc section (15) and a pressing section (16) which are arranged on the inner wall of the lamp bead (1).

6. The light bar suitable for the LED display screen is characterized in that an elastic piece (9) is arranged in the second mounting groove (11), and the height of the elastic piece (9) is greater than that of the static contact (8).

7. The light bar suitable for the LED display screen of claim 1, wherein the inner side of the light bead (1) is provided with a light-gathering cover (4).

8. The light bar suitable for the LED display screen of claim 1, wherein the lamp beads (1) and the PCB (2) are both provided with heat radiating fins (6).