CN213900787U

CN213900787U - Power-free LED lamp strip

Info

Publication number: CN213900787U
Application number: CN202023204480.3U
Authority: CN
Inventors: 陈伟中
Original assignee: Ruiwei Global Technology Shenzhen Co ltd
Current assignee: Ruiwei Global Technology Shenzhen Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-08-06
Anticipated expiration: 2030-12-26

Abstract

The utility model relates to a power-free LED lamp area belongs to the technical field of LED lamps and lanterns, it includes the cowling panel, the first draw runner of cowling panel one side fixedly connected with, cowling panel one side is provided with a plurality of LED lamp plates, first spout has all been seted up to every LED lamp plate one side, every LED lamp plate is kept away from the equal fixedly connected with second draw runner of first spout one side, all the welding has a plurality of LED emitting diode on every LED lamp plate, be provided with first butt joint piece and the second butt joint piece that has elasticity can electrically conduct on the first draw runner, be provided with third butt joint piece and the fourth butt joint piece that has elasticity can electrically conduct in the corresponding first recess of LED lamp plate, be provided with fifth butt joint piece and the sixth butt joint piece that has elasticity can electrically conduct on the second draw runner, the utility model discloses it increases or reduces the effect of LED lamp plate according to actual need to have the mode through pegging graft.

Description

Power-free LED lamp strip

Technical Field

The utility model belongs to the technical field of the technique of LED lamps and lanterns and specifically relates to a power LED lamp area exempts from is related to.

Background

Because the LED can only be conducted in a single direction and has nonlinear volt-ampere characteristics, the 220V alternating current of the mains supply cannot be directly adopted for power supply, and the mains supply needs to be converted into stable direct current for power supply by using a power supply. The power supply comprises a rectifier bridge, constant-current or constant-voltage control and other electronic components. The existing LED lamp belt comprises a lamp belt and a power line, wherein one end of the power line is a mains supply plug, the other end of the power line is a power output connector matched with the lamp belt, and an LED power source of the LED lamp belt is integrally molded on the power line in an injection molding mode.

At present, chinese patent with publication number CN 209262742U discloses a power-free LED strip, which includes a flexible circuit board, LEDs welded on the circuit board, a sheath covering the circuit board and the LEDs, and positive and negative power lines extending along the length direction of the strip; the lamp strip can be divided into a plurality of sections of shearable units, each shearable unit comprises at least one LED series unit formed by connecting LEDs in series, the plurality of sections of shearable units are connected to the positive and negative power supply lines in parallel, and a patch bridge stack, the LED series units and a constant-temperature constant-current control chip are sequentially connected in series on a circuit board in each shearable unit. Because the utility model discloses but all be connected with paster bridge rectifier, LED series unit and constant temperature constant current control chip in the unit is cuted to every section. Therefore, each shearable unit can independently provide stable low-voltage direct current for the LED, no power supply needs to be additionally arranged, the LED lamp strip can be infinitely prolonged, and the use is convenient.

The above prior art solutions have the following drawbacks: when the user uses, must make as required length in advance, just will restrict length in the mill, change size, length by oneself when inconvenient later stage uses.

SUMMERY OF THE UTILITY MODEL

In order to carry out size, length change according to actual need when can using in the later stage, this application provides a exempt from power LED lamp area.

The application provides a exempt from power LED lamp area adopts following technical scheme:

a power-free LED lamp strip comprises a rectifying plate, wherein a positive lead and a negative lead are fixedly connected to one side of the rectifying plate, a first slide bar is fixedly connected to one side of the rectifying plate, which is far away from the positive lead, the rectifying plate is provided with a plurality of LED lamp panels corresponding to one side of the first slide bar, one side of each LED lamp panel is provided with a first chute, each first chute is arranged along the length direction of the LED lamp panel, one side of each LED lamp panel, which is far away from the first chute, is fixedly connected with a second slide bar, each LED lamp panel is welded with a plurality of LED light-emitting diodes, a first abutting block and a second abutting block which are elastic and conductive are arranged on the first slide bar, a third abutting block and a fourth abutting block which are elastic and conductive are arranged in the first grooves of the LED lamp panels corresponding to the first grooves, a fifth abutting block and a sixth abutting block which are elastic and conductive are arranged on the second slide bar, the third abutting block can abut against the first abutting block, the third abutting block can abut against the fifth abutting block, the fourth abutting block can abut against the second abutting block, and the fourth abutting block can abut against the sixth abutting block.

Through adopting above-mentioned scheme, during the user uses, can be through in inserting first recess with first draw runner, it realizes fixing to flow board and LED lamp plate to insert the second draw runner in the second recess, make first butt piece and third butt piece butt, second butt piece and fourth butt piece butt, the third butt piece butt of fifth butt piece and another LED lamp plate, the fourth butt piece butt of sixth butt piece and another LED lamp plate, when the user needs to increase luminance, just can prolong the LED lamp plate through the mode of pegging graft.

Preferably, a first groove and a second groove are formed in one side of the first sliding strip, which is far away from the rectifying plate, a first abutting block is connected in a sliding manner in the first groove corresponding to the first sliding strip, a second abutting block is connected in a sliding manner in the second groove corresponding to the first sliding strip, a third groove and a fourth groove are formed in the position, corresponding to the first sliding groove, of the LED lamp panel, a third abutting block is connected in a sliding manner in the third groove corresponding to the LED lamp panel, a fourth abutting block is connected in a sliding manner in the fourth groove corresponding to the LED lamp panel, a fifth groove and a sixth groove are formed in the second sliding strip, a fifth abutting block is connected in a sliding manner in the fifth groove corresponding to the second sliding strip, a sixth abutting block is connected in a sliding manner in the sixth groove corresponding to the second sliding strip, a first spring is fixedly connected to one side, which is close to the rectifying plate, of each first spring is fixedly connected to the other end of each first sliding strip, and the first spring can apply a stress to the first abutting block and the second abutting block, which are far away from the rectifying plate, the third abutting block and the fourth abutting block are fixedly connected with second springs on one side close to the LED lamp panel, the two second springs are respectively arranged in a third groove and a fourth groove corresponding to the LED lamp panel, the other end of each second spring is fixedly connected with the LED lamp panel, the second springs can provide stress for the third abutting block and the fourth abutting block to be far away from the LED lamp panel, a third spring is fixedly connected on one side of the fifth abutting block and one side of the sixth abutting block close to the third abutting block, the other ends of the two third springs are respectively fixedly connected with the LED lamp panel corresponding to the fifth groove and the sixth groove, the third springs can provide the force for the fifth abutting block and the sixth abutting block to be far away from the LED lamp panel, a first cambered surface and a second cambered surface are respectively arranged on one side of the first abutting block and the second abutting block far away from the rectifying plate, a third cambered surface and a fourth cambered surface are respectively arranged on one side of the third abutting block and the fourth abutting block far away from the LED lamp panel, and a fifth cambered surface and a sixth cambered surface are respectively arranged on one side, away from the LED lamp panel, of the fifth abutting block and the sixth abutting block.

By adopting the above scheme, when the user uses, when passing through first draw runner and first spout sliding connection with the LED lamp plate, first cambered surface and third cambered surface butt, second cambered surface and fourth cambered surface butt, first cambered surface, second cambered surface, third cambered surface and fourth cambered surface can make the user make first butt piece and third butt piece butt, second butt piece and fourth butt piece butt more conveniently.

Preferably, the LED lamp plate corresponds the inside both sides position department of first spout and has seted up flexible groove, the LED board corresponds every flexible trench position department sliding connection and has the inserted block, inclined plane has been seted up at two inserted block tops, the inclined plane is close to the slope of one side and sets up downwards to two inserted blocks each other by inserted block top, the equal fixedly connected with expanding spring of one end that two inserted blocks kept away from each other, expanding spring sets up in every flexible inslot portion, the equal fixed connection in the flexible trench position department of the one end that two expanding spring kept away from each other corresponds to the LED lamp plate, expanding spring can give two power that the inserted block is close to each other, first draw runner and second draw runner correspond every inserted block position department and have seted up the slot, the inserted block can be pegged graft in the slot.

Through adopting above-mentioned scheme, when the user used, the user can make LED lamp plate can be fixed with another LED lamp plate in inserting the slot through inserting the grafting piece, also can make LED lamp plate and cowling panel fixed, prevents that the cowling panel from deviating from the LED lamp plate.

Preferably, the LED lamp plate is close to first spout position department and has seted up first draw-in groove, and first draw-in groove sets up around the LED lamp plate, and the LED lamp plate is close to first draw-in groove position department and has seted up the second draw-in groove, and the second draw-in groove sets up around the LED lamp plate, and common joint has the sealing strip in adjacent first draw-in groove and the second draw-in groove, and the sealing strip corresponds first draw-in groove and second draw-in groove position department fixedly connected with draw-in strip, and the draw-in strip can the joint in first draw-in groove and second draw-in groove.

Through adopting above-mentioned scheme, the user can be through with the sealing strip joint in first draw-in groove and second draw-in groove, make whole circuit board leakproofness better, prevent to cause danger because of the steam gets into the short circuit that takes place.

Preferably, the sealing strip is kept away from card strip one side and is close to sealing strip one end position department fixedly connected with pull ring.

By adopting the scheme, when the sealing strip is used by a user, the sealing strip can be pulled out more conveniently by the pull ring.

Preferably, a first through hole is formed in the second sliding strip, a threaded hole is formed in the position, corresponding to the first sliding groove, of the LED lamp panel, the threaded hole is communicated with the first through hole, a second through hole is formed in the position, corresponding to the first through hole, of the sealing strip, a fixing bolt is connected to the inner thread of the threaded hole, and the fixing bolt can penetrate through the first through hole and the second through hole.

By adopting the scheme, when a user uses the LED lamp panel, the LED lamp panel and the other LED lamp panel can be connected more tightly through the fixing bolt.

Preferably, the cross section of the clamping strip is T-shaped.

Through adopting above-mentioned scheme, when the user used, the T type can make the sealing between sealing strip and a plurality of LED lamp plate inseparabler, is difficult for deviating from.

Preferably, the heat-shrinkable film is sleeved on the peripheries of the rectifying plate and the LED lamp panels.

Through adopting above-mentioned scheme, when the user used, during the pyrocondensation membrane can prevent that steam from entering into the circuit board, can prevent the artificial circuit board that damages simultaneously.

To sum up, the utility model discloses following beneficial effect has:

1. the LED lamp panels can be increased or decreased by a user according to actual needs in a plug-in mode;

2. the user can realize the sealing to the circuit board through the sealing strip.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a protruded rectifying plate and an LED lamp panel in the embodiment of the present application;

FIG. 3 is a cross-sectional view of an embodiment of the present application highlighting a first card slot and a second card slot;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a cross-sectional view of a protruding anchor stud according to an embodiment of the present application;

FIG. 6 is a schematic circuit diagram of a highlighted rectifier bridge of the embodiment of the application;

FIG. 7 is a schematic circuit diagram of a thermostatic and constant-current control chip according to an embodiment of the present application.

In the figure, 1, a rectifying plate; 11. a positive electrode lead; 111. a negative electrode lead; 12. a first slide bar; 121. a first groove; 1211. a first abutment block; 1212. a first arc surface; 122. a second groove; 1221. a second abutment block; 1222. a second arc surface; 123. a first spring; 2. an LED lamp panel; 21. a first chute; 211. a third groove; 2111. a third abutment block; 2112. a third cambered surface; 212. a fourth groove; 2121. a fourth abutment block; 2122. a fourth arc surface; 22. a second slide bar; 221. a fifth groove; 2211. a fifth abutment block; 2212. a fifth cambered surface; 222. a sixth groove; 2221. a sixth abutment block; 2222. a sixth arc surface; 223. a second spring; 224. a third spring; 23. an LED light emitting diode; 24. a telescopic groove; 241. an insertion block; 242. a bevel; 243. a tension spring; 244. a slot; 25. a threaded hole; 251. a first through hole; 252. a second through hole; 253. fixing the bolt; 26. a first card slot; 261. a second card slot; 262. a sealing strip; 263. clamping the strip; 265. a pull ring; 3. a heat-shrinkable film; 4. a constant temperature and constant current control chip; 41. a rectifier bridge.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses power-free LED lamp area, as shown in fig. 1 and fig. 2, including cowling panel 1, 1 one side fixedly connected with positive wire 11 and negative pole wire 111 of cowling panel, 11 one side fixedly connected with first draw runner 12 of positive wire are kept away from to cowling panel 1, 1 right side sliding connection of cowling panel has a plurality of LED lamp plates 2, first spout 21 has all been seted up to 2 one sides of every LED lamp plate, the length direction setting of LED lamp plate 2 is all followed to every first spout 21, the equal fixedly connected with second draw runner 22 in 21 one side of first spout is kept away from to every LED lamp plate 2. A plurality of LED light emitting diodes 23 are welded to each LED lamp panel 2. When the user uses, be connected LED lamp plate 2 with cowling panel 1 through first spout 21, assemble different LED lamp plates 2 in proper order through second draw runner 22 and first spout 21 according to actual need afterwards.

As shown in fig. 2 and 4, a first groove 121 and a second groove 122 are formed in one side of the first sliding strip 12, which is far away from the rectifying plate 1, the first sliding strip 12 is connected with a first abutting block 1211 made of a conductive material in a sliding manner corresponding to the inside of the first groove 121, a first arc face 1212 is formed in one side of the first abutting block 1211, which is far away from the first sliding strip 12, the first sliding strip 12 is connected with a second abutting block 1221 made of a conductive material in a sliding manner corresponding to the inside of the second groove 122, a second arc face 1222 is formed in one side of the second abutting block 1221, which is far away from the first arc face 1212, and a first spring 123 is fixedly connected to one side of the first abutting block 1211, which is far away from the second arc face 1222, and to one side of the second abutting block 1221, which is far away from the second arc face 1222. The other end of each first spring 123 is fixedly connected to the first slide bar 12, and the first spring 123 can apply a force to the first abutting block 1211 and the second abutting block 1221 away from the rectifying plate 1. A third groove 211 and a fourth groove 212 are formed in the LED lamp panel 2 corresponding to the inner position of the first sliding slot 21, the third groove 211 is formed corresponding to the first groove 121, the fourth groove 212 is formed corresponding to the second groove 122, a third abutting block 2111 made of a conductive material is slidably connected to the LED lamp panel 2 corresponding to the third groove 211, a third arc surface 2112 is formed on one side of the third abutting block 2111 away from the third groove 211, a fourth abutting block 2121 made of a conductive material is slidably connected to the LED lamp panel 2 corresponding to the fourth groove 212, a fourth arc surface 2122 is formed on one side of the fourth abutting block 2121 away from the fourth groove 212, a second spring 223 is fixedly connected to one side of the third abutting block 2111 away from the third arc surface 2112 and one side of the fourth abutting block 2121 away from the fourth arc surface 2122, the two second springs 223 are respectively arranged in the third groove 211 and the fourth groove 212 corresponding to the LED lamp panel 2, and the other ends of the two second springs 223 are fixedly connected to the LED lamp panel 2, the second spring 223 can apply a force to the third and fourth abutment blocks 2111 and 2121 away from the LED lamp panel 2. A fifth groove 221 and a sixth groove 222 are formed in the position, corresponding to the second slide bar 22, of the LED lamp panel 2, the fifth groove 221 corresponds to the third groove 211, and the sixth groove 222 corresponds to the fourth groove 212. The LED lamp panel 2 corresponds the inside sliding connection of fifth recess 221 and has fifth butt piece 2211, fifth butt piece 2211 is kept away from second draw runner 22 one side and has been seted up fifth cambered surface 2212, the inside sliding connection of LED lamp panel 2 corresponds sixth recess 222 has sixth butt piece 2221, sixth butt piece 2221 is kept away from second draw runner 22 one side and has been seted up sixth cambered surface 2222, fifth butt piece 2211 is kept away from fifth cambered surface 2212 one side and sixth butt piece 2221 and is kept away from the equal fixedly connected with third spring 224 in sixth cambered surface 2222 one side, two third spring 224 other ends are fixed connection respectively in the inside of corresponding fifth recess 221 and sixth recess 222 of LED lamp panel 2, third spring 224 can give fifth butt piece 2211 and sixth butt piece 2221 the power of keeping away from LED lamp panel 2. When the user uses, when the cowling panel 1 passes through first draw runner 12 and first recess 121 cooperation, in the motion process, first butt 1211 and second butt block 1221 contract respectively in first recess 121 and second recess 122 because of the effect of first spring 123, accomplish the fixed back of cowling panel 1 and LED lamp plate 2 at last, first butt 1211 and third butt block 2111 butt, second butt block 1221 and fourth butt block 2121 butt. When the two LED lamp panels 2 are combined, the third abutting block 2111 abuts against the fifth abutting block 2211, and the fourth abutting block 2121 abuts against the sixth abutting block 2221.

As shown in fig. 1 and 5, the LED board has telescopic slots 24 corresponding to two inner sides of the first sliding slot 21, the LED board has an insertion block 241 corresponding to each telescopic slot 24, the tops of the two insertion blocks 241 have inclined surfaces 242, and the inclined surfaces 242 are inclined and downwardly disposed from the top of the insertion block 241 to a side where the two insertion blocks 241 are close to each other. The equal fixedly connected with expanding spring 243 of the one end that two plug blocks 241 kept away from each other, expanding spring 243 set up inside every flexible groove 24, and the equal fixed connection in the corresponding flexible groove 24 position department of the one end that two expanding spring 243 kept away from each other, expanding spring 243 can give two plug blocks 241 the power that is close to each other. The first slide bar 12 and the second slide bar 22 are provided with a slot 244 at a position corresponding to each insertion block 241, and the insertion block 241 can be inserted into the slot 244. During the use of user, with LED lamp plate 2 and cowling panel 1 through first draw runner 12 and first spout 21 sliding connection, peg graft in flexible groove 24 back when plug block 241, the spring shrink, LED lamp plate 2 and cowling panel 1 accomplish fixedly.

As shown in fig. 5, a first through hole 251 is formed in the second slide bar 22, a threaded hole 25 is formed in a position of the LED lamp panel 2 corresponding to the first sliding groove 21, and the threaded hole 25 and the first through hole 251 are connected. A fixing bolt 253 is screwed into the threaded hole 25, and the fixing bolt 253 can be disposed through the first through hole 251. When the user uses, can fix LED lamp plate 2 through fixing bolt 253 after making up LED lamp plate 2 each other and prevent to drop, cause danger.

As shown in fig. 3 and 5, a first clamping groove 26 is provided at a position where the LED lamp panel 2 is close to the first sliding groove 21, the first clamping groove 26 is provided around the LED lamp panel 2, a second clamping groove 261 is provided at a position where the LED lamp panel 2 is close to the first sliding bar 12, and the second clamping groove 261 is provided around the LED lamp panel 2. Sealing strips 262 are clamped in the adjacent first clamping groove 26 and the second clamping groove 261 together, a second through hole 252 is formed in the position, corresponding to the first through hole 251, of the sealing strips 262, and the fixing bolt 253 can penetrate through the second through hole 252. The sealing strip 262 is fixedly connected with a clamping strip 263 at the position corresponding to the first clamping groove 26 and the second clamping groove 261, and the section of the clamping strip 263 is T-shaped. The clamping strip 263 can be clamped in the first clamping groove 26 and the second clamping groove 261, and one side of the sealing strip 262 far away from the clamping strip 263 is close to one end of the sealing strip 262 and is fixedly connected with a pull ring 265. The peripheries of the rectifying plate 1 and the LED lamp panels 2 are sleeved with a thermal shrinkage film 3 (refer to fig. 1). During the use of the user, after pegging graft LED lamp plate 2 through first spout 21 and second draw runner 22, make up sealing strip 262 through second draw-in groove 261, first draw-in groove 26 and card strip 263, can prevent that steam from entering into the junction between the adjacent LED lamp plate 2, take place the short circuit, pyrocondensation membrane 3 can improve the leakproofness of circuit board, prevents simultaneously by artificial destruction.

As shown in fig. 3 and 7, the first abutting block 1211 is electrically connected to the rectifier bridge 41 (see fig. 6), the first abutting block 1211 is electrically connected to the positive terminal of the rectifier bridge 41, and the second abutting block 1221 is electrically connected to the negative terminal of the rectifier bridge 41. A plurality of LED emitting diodes 23 on same LED lamp plate 2 establish ties each other, and the one end electricity of all LED emitting diodes 23 on same LED lamp plate 2 is connected in third butt piece 2111, and the LED emitting diode 23 on same LED lamp plate 2 is kept away from third butt piece 2111 one end electricity and is connected in fifth butt piece 2211, and fifth butt piece 2211 electricity is connected with the OUT pin of constant temperature constant current control chip 4. The fourth abutment block 2121 is electrically connected to the GND pin and the REXT pin of the thermostatic control chip 4, and the fourth abutment block 2121 is electrically connected to the sixth abutment block 2221. When the user uses, peg graft LED lamp plate 2 and cowling panel 1, connect the back with a plurality of LED lamp plates 2 again, first butt piece 1211 and third butt piece 2111 intercommunication, second butt piece 1221 and fourth butt piece 2121 intercommunication, a plurality of LED emitting diode 23 on same LED lamp plate 2 receive electricity, and constant temperature constant current control chip 4 receives electricity. Fifth butt joint piece 2211 communicates with third butt joint piece 2111 on another LED lamp plate 2, and sixth butt joint piece 2221 communicates with fourth butt joint piece 2121 on another LED lamp plate 2, makes a plurality of LED emitting diode 23 on another LED lamp plate 2 get electric, makes constant temperature constant current control chip 4 on another LED lamp plate 2 get electric.

The implementation principle in this application embodiment power LED lamp area exempts from is: when the user uses, be connected LED lamp plate 2 with cowling panel 1 through first spout 21, assemble different LED lamp plates 2 in proper order through second draw runner 22 and first spout 21 according to actual need afterwards. When the user cooperated commutator plate 1 with first recess 121 on first draw runner 12 and the LED lamp plate 2, in the motion process, first butt 1211 and second butt 1221 contract respectively in first recess 121 and second recess 122 because of the effect of first spring 123, accomplish fixed back of commutator plate 1 and LED lamp plate 2 at last, first butt 1211 and third butt 2111 butt, second butt 1221 and fourth butt 2121 butt, grafting piece 241 can peg graft in slot 244. After two LED lamp panels 2 are combined, the third abutting block 2111 and the fifth abutting block 2211 are abutted, the fourth abutting block 2121 and the sixth abutting block 2221 are abutted, the inserting block 241 is inserted into the inserting slot 244, and the LED lamp panel 2 and the rectifying plate 1 are fixed. After combining cowling panel 1 and LED lamp plate 2, can fix LED lamp plate 2 and another LED lamp plate 2 through fixing bolt 253, prevent that LED lamp plate 2 and another LED lamp plate 2 from deviating from, cause danger. The user then makes up sealing strip 262 through second draw-in groove 261, first draw-in groove 26 and card strip 263, locates the cowling panel 1 and LED lamp plate 2 periphery with the cover of pyrocondensation membrane 3 and encapsulates simultaneously. Sealing strip 262 can prevent that steam from entering into the junction between LED lamp plate 2, takes place the short circuit, and pyrocondensation membrane 3 can improve the leakproofness of circuit board, prevents simultaneously by artificial destruction.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a exempt from power LED lamp area which characterized in that: the LED lamp comprises a rectifying plate, wherein a positive lead and a negative lead are fixedly connected to one side of the rectifying plate, a first slide bar is fixedly connected to one side of the rectifying plate, which is far away from the positive lead, a plurality of LED lamp panels are arranged on one side of the rectifying plate, which corresponds to the first slide bar, a first slide groove is formed in one side of each LED lamp panel, each first slide groove is arranged along the length direction of the LED lamp panel, a second slide bar is fixedly connected to one side of each LED lamp panel, which is far away from the first slide groove, a plurality of LED light-emitting diodes are welded on each LED lamp panel, a first abutting block and a second abutting block which are elastic and conductive are arranged on each first slide bar, a third abutting block and a fourth abutting block which are elastic and conductive are arranged in the corresponding first grooves of the LED lamp panels, a fifth abutting block and a sixth abutting block which are elastic and conductive are arranged on each second slide bar, the third abutting block can abut against the first abutting block, and the fifth abutting block can abut against the fifth abutting block, the fourth abutting block can abut against the second abutting block, and the fourth abutting block can abut against the sixth abutting block.

2. A power-free LED strip as claimed in claim 1, wherein: a first groove and a second groove are arranged on one side of the first sliding strip away from the rectifying plate, a first abutting block is connected in a sliding manner in the first groove corresponding to the first sliding strip, a second abutting block is connected in a sliding manner in the second groove corresponding to the first sliding strip, a third groove and a fourth groove are arranged on the LED lamp panel corresponding to the inner position of the first sliding groove, a third abutting block is connected in a sliding manner in the third groove corresponding to the LED lamp panel, a fourth abutting block is connected in the fourth groove corresponding to the LED lamp panel, a fifth groove and a sixth groove are arranged on the second sliding strip, a fifth abutting block is connected in a sliding manner in the fifth groove corresponding to the second sliding strip, a sixth abutting block is connected in a sliding manner in the sixth groove corresponding to the second sliding strip, a first spring is fixedly connected to one side of the first abutting block and the second abutting block close to the rectifying plate, the other end of each first spring is fixedly connected to the first sliding strip, and the first spring can apply force to the first abutting block and the second abutting block away from the rectifying plate, the third abutting block and the fourth abutting block are fixedly connected with second springs on one side close to the LED lamp panel, the two second springs are respectively arranged in a third groove and a fourth groove corresponding to the LED lamp panel, the other end of each second spring is fixedly connected with the LED lamp panel, the second springs can provide stress for the third abutting block and the fourth abutting block to be far away from the LED lamp panel, a third spring is fixedly connected on one side of the fifth abutting block and one side of the sixth abutting block close to the third abutting block, the other ends of the two third springs are respectively fixedly connected with the LED lamp panel corresponding to the fifth groove and the sixth groove, the third springs can provide the force for the fifth abutting block and the sixth abutting block to be far away from the LED lamp panel, a first cambered surface and a second cambered surface are respectively arranged on one side of the first abutting block and the second abutting block far away from the rectifying plate, a third cambered surface and a fourth cambered surface are respectively arranged on one side of the third abutting block and the fourth abutting block far away from the LED lamp panel, and a fifth cambered surface and a sixth cambered surface are respectively arranged on one side, away from the LED lamp panel, of the fifth abutting block and the sixth abutting block.

3. A power-free LED strip as claimed in claim 1, wherein: the LED lamp plate corresponds the inside both sides position department of first spout and has seted up flexible groove, the LED board corresponds every flexible trench position department sliding connection and has the inserted block, inclined plane has been seted up at two inserted block tops, the inclined plane is close to the slope and sets up downwards to two inserted blocks each other by inserted block top, the equal fixedly connected with expanding spring of one end that two inserted blocks kept away from each other, expanding spring sets up in every flexible inslot, the equal fixed connection of one end that two expanding spring kept away from each other corresponds flexible trench position department in the LED lamp plate, expanding spring can give two power that inserted block is close to each other, first draw runner and second draw runner correspond every inserted block position department and have seted up the slot, the inserted block can be pegged graft in the slot.

4. A power-free LED strip as claimed in claim 1, wherein: the LED lamp plate is close to first spout position department and has seted up first draw-in groove, and first draw-in groove sets up around the LED lamp plate, and the LED lamp plate is close to first draw-in groove position department and has seted up the second draw-in groove, and the second draw-in groove sets up around the LED lamp plate, and common joint has the sealing strip in adjacent first draw-in groove and the second draw-in groove, and the sealing strip corresponds first draw-in groove and second draw-in groove position department fixedly connected with card strip, and the card strip can the joint in first draw-in groove and second draw-in groove.

5. A power-free LED strip as claimed in claim 4, wherein: one side of the sealing strip, which is far away from the clamping strip, is close to one end of the sealing strip and is fixedly connected with a pull ring.

6. A power-free LED strip as claimed in claim 4, wherein: first through-hole has been seted up on the second draw runner, and the LED lamp plate corresponds first spout position department and sets up threaded hole, and screw hole and first through-hole intercommunication, sealing strip correspond first through-hole position department and have seted up the second through-hole, and screw hole female connection has fixing bolt, and fixing bolt can pass first through-hole, the setting of second through-hole.

7. A power-free LED strip as claimed in claim 4, wherein: the cross section of the clamping strip is T-shaped.

8. A power-free LED strip as claimed in claim 1, wherein: the peripheral cover of cowling panel and a plurality of LED lamp plate is equipped with pyrocondensation membrane.