SUMMERY OF THE UTILITY MODEL
Therefore, the corner connector of the LED slot lamp, which is convenient to assemble and good in heat dissipation effect, is needed to solve the problems in the prior art.
In order to solve the prior art problem, the utility model discloses a corner connector of LED wire casing lamp, including the body, the body is including first link and the second link that has predetermined contained angle, first link and second link bottom respectively are provided with two at least elasticity and electrocute the device, and the elasticity that corresponds the electrical property on first link and the second link electrocute the device mutual electricity and be connected.
As a further improvement of the utility model: the two sides of the body are provided with clamping grooves positioned at the top or the middle part. The body bottom is provided with the groove of stepping down, elasticity electrocute device sets up in the groove of stepping down. The elastic electric shock device is an elastic sheet.
The utility model has the advantages that: the utility model discloses owing to set up elasticity electric shock device bottom the first link and the second link of corner connector, the corner connector can follow light trough light-emitting port card and go into the light trough in with the circuit board electrical contact, corner connector convenient assembling, the circuit board can be attached at the light trough diapire simultaneously, the heat dissipation is good.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions thereof, the present invention will be described in detail with reference to the accompanying drawings and detailed description. The above-mentioned positional relationships, such as up, down, inside, outside, top, bottom, etc., described in the present patent application are only described by referring to the positions of the related components shown in the drawings attached to the present specification, and do not represent absolute limitations to the protection scope of the present invention.
Refer to fig. 1 and 2. An LED wire slot lamp comprises two U-shaped lamp slots 1 which are arranged to form a preset included angle, LED lamp belts 2 which are arranged in the two lamp slots 1, corner connectors 3 which electrically connect the LED lamp belts in the two lamp slots, a light-diffusing plate 4 which covers a light outlet of the lamp slot 1 and a fixing piece 5 which fixes the two lamp slots. The preset included angle refers to the included angle of the central lines of the two lamp grooves 1, the included angle can be greater than 0 degree and less than 180 degrees or greater than 180 degrees and less than 360 degrees, and does not include 180 degrees, wherein the commonly used included angle is 90 degrees, 30 degrees, 45 degrees or 60 degrees.
Refer to fig. 3. U-shaped light trough 1 includes diapire 11 and the lateral wall 12 that is located diapire 11 both sides, lateral wall 12 inboard is close to light-emitting department and is provided with along first card strip 131 and the second card strip 132 that 1 length direction of light trough extends, first card strip 131, second card strip 122 and lateral wall 12 surround into opening towards the inboard mounting groove 13 of lateral wall 12, first card strip 131 is located the second card strip 132 outside.
Refer to fig. 4. The LED strip 2 includes a circuit board 21, a plurality of LED beads 22 soldered on the front surface of the circuit board 21, and at least two conductive strips 23 extending along the length direction of the circuit board 21. The conductive strips 23 are electrically connected with the power circuit in the circuit board 21 and protrude from the surface of the circuit board 21. When the LED lamp beads 22 are arranged in only one row, the LED lamp beads 22 are arranged along the center of the circuit board 21, and the conductive strips 23 are positioned on two sides of the LED lamp beads 22; when the LED lamp beads 22 have multiple columns, the LED lamp beads 22 and the conductive strips 23 are arranged at intervals. When the LED strip 2 has only one loop, two bus bars 23 are provided, including a positive current bus bar and a negative current bus bar; when the LED light strip has multiple loops, the conductive strips 23 may be three or more, and include positive and negative current conductive strips of the multiple loops; when a control signal is further included in the LED strip, the conductive strip 23 further includes a signal line conductive strip. The conductive strips 23 are spaced apart from the side of the circuit board 21 by a predetermined distance as spacers 24, which prevents the conductive strips 23 from making electrical contact with the troffer 1.
Refer to fig. 5 and 6. The corner connector 3 comprises a body 31, the body is provided with a first connecting end 3a and a second connecting end 3b, the included angle between the first connecting end 3a and the second connecting end 3b is the same as the installation included angle between the two lamp grooves 1, a yielding groove 32 is arranged at the bottom of the corner connector 3, and at least two elastic electric shock devices 33 corresponding to the conductive strips 23 are respectively arranged in the yielding groove 32 and positioned on the first connecting end 3a and the second connecting end 3 b. The elastic contact devices 33 with the same electrical property on the first connection end 3a and the second connection end 3b are electrically connected with each other. That is, when the bus bar 2 on the LED strip includes the positive and negative current bus bars and the signal line bus bar, the elastic electric shock device 33 also includes the positive and negative elastic electric shock devices and the signal line elastic electric shock devices, and the positive and negative elastic electric shock devices and the signal elastic electric shock devices in the first connection end 3a are electrically connected to the positive and negative elastic electric shock devices and the signal line elastic electric shock devices in the second connection end 3b, respectively. The elastic electric shock device 33 can be a spring, a marble driven by the spring, or a shrapnel as shown in fig. 6, the utility model discloses preferred is the shrapnel, and the structure is simpler like this. The elastic electric contact device 33 is arranged in the yielding groove 32, on one hand, the LED lamp beads 22 on the circuit board 21 can be yielded, and on the other hand, the elastic electric contact device 33 can be prevented from being electrically contacted with the lamp groove 1. The body 31 is further provided with a clamping groove 34 on two sides thereof, wherein the clamping groove 34 is matched with the second clamping strip 132, and the clamping groove 34 can be arranged on the top of two sides of the body 31 or in the middle of two sides of the body.
Refer to fig. 1 to 3. The utility model discloses an installation mode is: firstly, circuit boards 21 of two sections of LED lamp belts are respectively installed on the bottom walls 11 of two sections of lamp grooves 1 in an upward mode, and the circuit boards 21 can be fixed on the bottom walls 11 of the lamp grooves in a bonding agent or screw or clamping mode; then, at the connection position of the two sections of LED lamp strips, the bottom of the corner connector 3 faces downwards, the corner connector 3 is pressed into the lamp trough 1 downwards from the light outlet of the lamp trough 1, the edge of the abdication groove 32 at the bottom of the corner connector 3 is pressed on the isolation part 24 of the circuit board 21, the elastic electric shock device 33 at the first connection end 3a of the corner connector 3 is electrically contacted with the conductive strip 23 on one section of LED lamp strip circuit board 21, the elastic electric shock device 33 at the second connection end 3b is electrically contacted with the conductive strip 23 on the other end of the LED lamp strip circuit board 21, and the second clamping strips 132 on the side wall of the lamp trough 1 are clamped into the clamping grooves 34 on the two sides of the corner connector 3 to fix the corner connector 3 in the lamp trough 1; and finally, the light diffusion plate 4 is clamped into the mounting grooves 13 of the two side walls.
The second clamping strip 132 is a clamping strip for forming the lower side of the mounting groove 13 and is also a clamping strip for clamping the corner connector 3, so that the structure of the lamp trough 1 is simpler. Of course, the side wall 12 of the light trough may be separately provided with a clamping strip for clamping the corner connector 3. The corner connector 3 can directly abut against the lower side of the second clamping strip 132 by using the top of the body 31, and a clamping groove 34 matched with the second clamping strip 132 can be arranged at the top or the middle of the two sides of the body 31, so that the matching precision of the second clamping strip 132 and the body 31 of the corner connector 3 can be controlled more easily.
The utility model discloses because first link and the second link bottom at the corner connector set up elasticity electric shock device, set up the busbar in the front of LED lamp area circuit board, set up the joint at the light trough lateral wall the card strip of corner connector, the corner connector can follow the light trough and go out the light mouth card and go into in the light trough with the circuit board electrical contact, corner connector convenient assembling, the circuit board can paste and attach at the light trough diapire simultaneously, the heat dissipation is good.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.