CN212901391U - LED power self-locking protection device - Google Patents
LED power self-locking protection device Download PDFInfo
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- CN212901391U CN212901391U CN202021775121.0U CN202021775121U CN212901391U CN 212901391 U CN212901391 U CN 212901391U CN 202021775121 U CN202021775121 U CN 202021775121U CN 212901391 U CN212901391 U CN 212901391U
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- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 10
- 230000001012 protector Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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Abstract
The utility model relates to a LED technical field discloses a LED power auto-lock protection device, the on-line screen storage device comprises a base, the upper end of base is equipped with the PCB board, and the upper end of PCB board is equipped with a plurality of LED light sources of group, the outside of LED light source is provided with the lamp shade, the lamp shade is arc form and both ends are connected with the fixture block, the top both sides at the base are fixed to the fixture block joint, the inner wall of base is equipped with the LED power, and the upper end of LED power is equipped with the installation cavity, be provided with protection mechanism in the installation cavity. The utility model discloses a protection machanism who sets up, first electro-magnet lose the adsorption affinity to the movable contact spring, and second electro-magnet intercommunication, the second electro-magnet possesses the adsorption affinity to the movable contact spring this moment, just can make the rotor plate rotatory on articulated seat, makes static contact and movable contact piece on the second electro-magnet laminate mutually at last, and energy supply uses to the LED light source, realizes auto-lock safeguard function, avoids the trouble to enlarge, reduces the loss.
Description
Technical Field
The utility model relates to a LED technical field especially relates to a LED power auto-lock protection device.
Background
With the development of the technology, the LED lamp has wide application, wherein an LED driving power supply plays a key role, the LED driving power supply is a power supply converter which converts power supply into specific voltage and current to drive the LED to emit light, and the LED driving power supply comprises an IC control chip and the like, has good constant current output in the use process, stably protects the LED from emitting light, has short service life and low power consumption, and is widely applied to various fields.
The existing LED driving power supply has certain defects when in use, can not effectively protect the damage caused by overload short circuit of a circuit, and through retrieval, Chinese patent No. CN210801086U discloses a LED power supply self-locking protection device, which comprises a base, wherein the upper end of the base is provided with a PCB (printed Circuit Board), the upper end of the PCB is provided with a plurality of groups of LED light sources, the inner wall of the base is provided with an LED power supply, the upper end of the LED power supply is provided with an installation cavity, the upper end wall of the installation cavity is fixedly provided with a first electromagnet, the bottom of the first electromagnet is adsorbed with a magnet sheet, the bottom of the magnet sheet is fixedly connected with a first movable contact sheet, the bottom of the installation cavity is provided with a first static contact sheet under the first movable contact sheet, the inner wall of a first limiting block is vertically inserted with a first supporting rod, and the outer wall of the first supporting rod is sleeved with a first spring.
The prior LED power supply self-locking protection device has the following defects: set up two overload protection wares and carried out work, wasted the resource to overhaul LED and need examine simultaneously whether two overload protection wares are in normal condition, increased the detection degree of difficulty, reduced detection efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a LED power auto-lock protection device, protection mechanism through setting up, first electro-magnet loses the adsorption affinity to the movable contact spring, and second electro-magnet intercommunication, the second electro-magnet possesses the adsorption affinity to the movable contact spring this moment, just can make the rotor plate rotatory on articulated seat, make the static contact and the movable contact plate on the second electro-magnet laminate mutually at last, energy supply uses to the LED light source, realize auto-lock safeguard function, avoid the trouble to enlarge, reduce the advantage of loss, it sets up two overload protection ware and carries out work to have solved current LED power auto-lock protection device, the resource has been wasted, and whether examining two overload protection ware and being in normal condition simultaneously to LED overhauing, the detection degree of difficulty has been increased, the problem of detection efficiency has been reduced.
According to the utility model discloses LED power auto-lock protection device, the on-line screen storage device comprises a base, the upper end of base is equipped with the PCB board, and the upper end of PCB board is equipped with a plurality of LED light sources of group, the outside of LED light source is provided with the lamp shade, the lamp shade is arc form and both ends are connected with the fixture block, the top both sides at the base are fixed to the fixture block joint, the inner wall of base is equipped with the LED power, and the upper end of LED power is equipped with the installation cavity, be provided with protection mechanism in the installation cavity.
Further, protection mechanism is including setting up first electro-magnet and the second electro-magnet in the installation cavity, first electro-magnet all overlaps with the both sides in opposite directions of second electro-magnet and is equipped with fixed cover.
Further, the bottom of fixed cover is provided with the bracing piece, the end of bracing piece extends to on the diapire of installation cavity.
Furthermore, a static contact piece is arranged on one side of the first electromagnet, which is opposite to the second electromagnet, and the diameter of the static contact piece is larger than the diameter of the cross section of the first electromagnet and the diameter of the cross section of the second electromagnet.
Further, be provided with articulated seat on the diapire of installation cavity, the bottom of articulated seat is connected with the LED power, and the upper portion of articulated seat articulates there is the rotor plate.
Furthermore, both sides of the upper part of the rotating sheet are provided with movable contact pieces, and the movable contact pieces are inclined towards one side of the rotating sheet.
Furthermore, the upper portion of the fixed sleeve is provided with a conducting rod, and two ends of the conducting rod are respectively connected with the first electromagnet or the second electromagnet and the PCB.
Furthermore, two one sides that fixed cover carried on the back mutually all are provided with the end cap, one side and the penetrating port interference fit in fixed cover middle part of end cap are connected.
Furthermore, the inside one side of end cap is provided with the fixed slot, the one end of first electro-magnet or second electro-magnet all extends to on the diapire of fixed slot.
Furthermore, connecting columns are arranged on two sides of the rotating sheet, and one ends of the connecting columns are connected with the movable contact pieces.
Compared with the prior art, the utility model beneficial effect who has is:
1. through the arranged protection mechanism, when the overload phenomenon occurs to a circuit, the overload protector starts and disconnects a circuit switch, at the moment, because the first electromagnet loses electric connection, the first electromagnet loses adsorption force on the movable contact piece, the second electromagnet is communicated, at the moment, the second electromagnet has adsorption force on the movable contact piece, the rotating piece can rotate on the hinge seat, and finally, the static contact piece and the movable contact piece on the second electromagnet are attached to supply energy to an LED light source for use, so that the self-locking protection function is realized, the fault expansion is avoided, and the loss is reduced;
2. through articulated seat, rotor, movable contact spring, the wire on the electro-magnet, conducting rod, PCB board, the LED light source that set up realize the circuit intercommunication, guarantee that the LED light source can normally give out light to all set up overload protection ware on the circuit of first electro-magnet and second electro-magnet respectively, in order to guarantee the normal operating of circuit, after overload protection ware opens circuit, protection machanism starts another circuit, thereby makes LED light source work can not interrupt.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a self-locking protection device for an LED power supply according to the present invention;
FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;
fig. 3 is a schematic view illustrating a connection between a fixing sleeve and a plug in the self-locking protection device for an LED power supply according to the present invention;
fig. 4 is the utility model provides a structural schematic diagram of end cap among LED power auto-lock protection device.
In the figure: 1-base, 2-PCB board, 3-LED light source, 4-lampshade, 5-fixture block, 6-LED power supply, 7-installation cavity, 8-first electromagnet, 9-second electromagnet, 10-static contact, 11-movable contact, 12-rotating piece, 13-hinged seat, 14-fixed sleeve, 15-conductive rod, 16-support rod, 17-plug and 18-fixed groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-4, the preferred embodiment of the present invention is shown.
The utility model provides a LED power auto-lock protection device, the on-line screen storage device comprises a base 1, the upper end of base 1 is equipped with PCB board 2, and the upper end of PCB board 2 is equipped with a plurality of LED light sources 3 of group, the outside of LED light source 3 is provided with lamp shade 4, lamp shade 4 is arc form and both ends are connected with fixture block 5, fixture block 5 joint is fixed in the top both sides of base 1, lamp shade 4 is the joint on base 1, convenient to detach carries out the change to LED light source 3, the inner wall of base 1 is equipped with LED power 6, and the upper end of LED power 6 is equipped with installation cavity 7, be provided with protection mechanism in installation cavity 7, protection mechanism can realize auto-lock safeguard function, avoid.
In this embodiment, the protection mechanism includes a first electromagnet 8 and a second electromagnet 9 disposed in the installation cavity 7, two opposite sides of the first electromagnet 8 and the second electromagnet 9 are both sleeved with a fixed sleeve 14, a bottom end of the fixed sleeve 14 is provided with a support rod 16, a tail end of the support rod 16 extends to a bottom wall of the installation cavity 7, one opposite side of the first electromagnet 8 and the second electromagnet 9 is provided with a static contact 10, diameters of the static contact 10 are both larger than cross-sectional diameters of the first electromagnet 8 and the second electromagnet 9, a hinge seat 13 is disposed on the bottom wall of the installation cavity 7, a bottom end of the hinge seat 13 is connected with the LED power source 6, an upper portion of the hinge seat 13 is hinged with a rotating plate 12, two upper portions of the rotating plate 12 are both provided with a movable contact plate 11, the movable contact plates 11 are both inclined toward one side of the rotating plate 12, an upper portion of the fixed sleeve 14 is provided with a conductive rod 15, two ends of the conductive rod 15 are respectively connected with the first electromagnet 8 or, when the overload phenomenon appears in the circuit, overload protector starts and breaks off the circuit switch, at this moment, because first electro-magnet 8 loses the electricity and connects, first electro-magnet 8 loses the adsorption affinity to movable contact spring 11, and second electro-magnet 9 intercommunication, second electro-magnet 9 possesses the adsorption affinity to movable contact spring 11 this moment, just can make rotor 12 rotatory on articulated seat 13, make static contact 10 and movable contact spring 11 on the second electro-magnet 9 laminate mutually at last, energy supply to LED light source 3 uses, realize auto-lock safeguard function, avoid the trouble to enlarge, reduce the loss.
In this embodiment, two one sides that fixed cover 14 carried on the back mutually all are provided with end cap 17, one side of end cap is connected with the through-hole interference fit at fixed cover 14 middle part, inside one side of end cap 17 is provided with fixed slot 18, the one end of first electro-magnet 8 or second electro-magnet 9 all extends to on the diapire of fixed slot 18, the both sides of rotor 12 all are provided with the spliced pole, the one end of spliced pole is connected with movable contact 11, thereby guarantee 11 maximize degree slopes of movable contact, area of contact is the biggest when making movable contact 11 adsorb with static contact 10 mutually.
When the technical scheme is used, the circuit communication is realized through the hinged seat 13, the rotating piece 12, the movable contact piece 11, the conducting wire on the electromagnet, the conducting rod 15, the PCB board 2 and the LED light source 3, the normal light emitting of the LED light source 3 is ensured, the overload protectors are respectively arranged on the circuits of the first electromagnet 8 and the second electromagnet 9, so as to ensure the normal operation of the circuit, after the overload protector is broken, the protection mechanism starts the other circuit, so that the work of the LED light source 3 cannot be interrupted, when the overload phenomenon occurs on the circuit, the overload protector starts and disconnects the circuit switch, at the moment, the first electromagnet 8 in the protection mechanism loses the electric connection, the first electromagnet 8 loses the adsorption force on the movable contact piece 11, the second electromagnet 9 is communicated, at the moment, the second electromagnet 9 has the adsorption force on the movable contact piece 11, so that the rotating piece 12 can rotate on the hinged seat 13, and finally, the static contact piece 10 and the movable contact piece 11 on the second electromagnet 9 are attached to supply energy to the LED light source 3 for use, so that the self-locking protection function is realized, the fault expansion is avoided, and the loss is reduced.
In this embodiment, the whole operation process can be controlled by a computer, and PLC and the like are added to realize automatic operation control, and in each operation link, signal feedback can be performed by setting a sensor to realize sequential execution of steps, which are conventional knowledge of the current automatic control, and are not repeated in this embodiment.
The details of the present invention are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a LED power auto-lock protection device which characterized in that: the LED lamp comprises a base, the upper end of base is equipped with the PCB board, and the upper end of PCB board is equipped with a plurality of LED light sources of group, the outside of LED light source is provided with the lamp shade, the lamp shade is arc form and both ends are connected with the fixture block, the fixture block joint is fixed in the top both sides of base, the inner wall of base is equipped with the LED power, and the upper end of LED power is equipped with the installation cavity, be provided with protection mechanism in the installation cavity.
2. The LED power supply self-locking protection device of claim 1, wherein: protection mechanism is including setting up first electro-magnet and the second electro-magnet in the installation cavity, first electro-magnet all overlaps with the both sides in opposite directions of second electro-magnet and is equipped with fixed cover.
3. The LED power supply self-locking protection device of claim 2, wherein: the bottom of fixed cover is provided with the bracing piece, the end of bracing piece extends to on the diapire of installation cavity.
4. The LED power supply self-locking protection device of claim 3, wherein: and one sides of the first electromagnet and the second electromagnet, which are opposite to each other, are provided with static contacts, and the diameters of the static contacts are larger than the diameters of the sections of the first electromagnet and the second electromagnet.
5. The LED power supply self-locking protection device of claim 4, wherein: be provided with articulated seat on the diapire of installation cavity, the bottom of articulated seat is connected with the LED power, and the upper portion of articulated seat articulates there is the rotor plate.
6. The LED power supply self-locking protection device of claim 5, wherein: and movable contact pieces are arranged on two sides of the upper part of the rotating piece and are inclined towards one side of the rotating piece.
7. The LED power supply self-locking protection device of claim 6, wherein: the upper portion of fixed cover is provided with the conducting rod, the both ends of conducting rod are connected first electro-magnet or second electro-magnet and PCB board respectively.
8. The LED power supply self-locking protection device of claim 7, wherein: two one side that fixed cover carried on the back mutually all is provided with the end cap, one side and the penetrating port interference fit in fixed cover middle part of end cap are connected.
9. The self-locking protection device for the LED power supply according to claim 8, wherein: the inside one side of end cap is provided with the fixed slot, the one end of first electro-magnet or second electro-magnet all extends to on the diapire of fixed slot.
10. The self-locking protection device for the LED power supply according to claim 9, wherein: connecting columns are arranged on two sides of the rotating sheet, and one ends of the connecting columns are connected with the movable contact spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775121.0U CN212901391U (en) | 2020-08-20 | 2020-08-20 | LED power self-locking protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775121.0U CN212901391U (en) | 2020-08-20 | 2020-08-20 | LED power self-locking protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212901391U true CN212901391U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021775121.0U Expired - Fee Related CN212901391U (en) | 2020-08-20 | 2020-08-20 | LED power self-locking protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212901391U (en) |
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2020
- 2020-08-20 CN CN202021775121.0U patent/CN212901391U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |