CN211240207U

CN211240207U - LED lamp protection circuit and LED lamp adopting same

Info

Publication number: CN211240207U
Application number: CN201921754636.XU
Authority: CN
Inventors: 覃佐聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-08-11
Anticipated expiration: 2029-10-18

Abstract

The utility model provides a LED lamp protection circuit and adopt LED lamp of this circuit. The LED lamp protection circuit includes: the circuit comprises an electromagnetic filter circuit, a PTC control circuit, a switching circuit, a PWM and constant current circuit, a rectification filter circuit, an overload protection monitoring circuit, a relay switch and an LED; the output end of the electromagnetic filter circuit is electrically connected with the input end of the PTC circuit, the input end of the PTC circuit is electrically connected with the output end of the PTC control circuit, the PTC circuit is electrically connected with the switching circuit, and the switching circuit is electrically connected with the rectifying filter. The utility model provides a LED lamp protection circuit which has the advantages that after the power is off, the LED lamp can not be slightly lightened due to the induced electricity; after the power is off, the lamp panel is separated from the power supply, so that the lamp panel is prevented from being damaged by lightning stroke, the LED and the TVS do not work, and the service life of elements is prolonged; the phenomenon that the lamp panel is slightly bright after the power is off is also solved, and the high-voltage pulse is monitored in real time in the bidirectional TVS during the power-on work, so that the lamp panel is protected.

Description

LED lamp protection circuit and LED lamp adopting same

Technical Field

The utility model relates to a LED illumination field especially relates to a LED lamp protection circuit and adopt LED lamp of this circuit.

Background

The existing LED lamp is expensive, and the lightning stroke of the outdoor LED lamp is easy to cause the LED lamp beads to be broken and damaged and not to be bright; the lamp panel has a slight-bright phenomenon when the LED lamp with the 0-10 dimming non-separate power supply is dimmed to 0, which seriously influences the service life of the LED lamp, and the LED lamp is a key part of the lamp, so that the defect that the lamp panel has the slight-bright phenomenon after the LED lamp is damaged by lightning stroke and the brightness of the non-separate lamp is dimmed to 0 is overcome.

Therefore, it is necessary to provide a protection circuit for an LED lamp and an LED lamp using the same to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED lamp protection circuit has solved LED lamp pearl and has not been damaged by thunderbolt voltage and the problem that the lamps and lanterns of adjusting luminance still brightly a little after transferring 0.

In order to solve the technical problem, the utility model provides a LED lamp protection circuit includes: the circuit comprises an electromagnetic filter circuit, a PTC control circuit, a switching circuit, a PWM and constant current circuit, a rectification filter circuit, an overload protection monitoring circuit, a relay switch and an LED; the output end of the electromagnetic filter circuit is electrically connected with the input end of the PTC circuit, the input end of the PTC circuit is electrically connected with the output end of the PTC control circuit, the PTC circuit is electrically connected with the switching circuit, the switching circuit is electrically connected with the rectification filter circuit and the PWM & constant current circuit, the overload protection monitoring circuit is arranged between the rectification filter circuit and the PWM & constant current circuit, and the relay switch is arranged between the rectification filter circuit and the LED.

The utility model also provides a LED lamp, include magnetic filter circuit, PTC control circuit, switching circuit, PWM & constant current circuit, rectification filtering, overload protection monitoring circuit, relay switch and LED, LED lamp protection circuit still includes: a waterproof lamp cap; the top of the mounting plate is fixed at the bottom of the waterproof lamp cap; the LED lamp is arranged in the center of the bottom of the mounting plate; the mounting groove is formed in the bottom of the mounting disc; the protective cover is arranged at the bottom of the mounting disc; the groove is formed in the surface of the protective cover; the rotating ring is arranged on the outer surface of the waterproof lamp holder; a label layer disposed on top of the surface of the protective cover.

Preferably, the bottom of the mounting disc is provided with an electrical connection groove, and the mounting disc is electrically connected with the input end of the LED lamp through the electrical connection groove.

Preferably, the mounting groove is an annular groove, the outer side of the inner wall of the mounting groove is an internal thread surface, an external thread surface is arranged at the top of the outer surface of the protective cover, and the protective cover is in threaded connection with the internal thread surface on the mounting groove through the external thread surface.

Preferably, the number of the grooves is four, and the four grooves are uniformly distributed at the bottom of the surface of the protective cover.

Preferably, the surface of the rotating ring is provided with a concave structure, and the rotating ring is made of insulating rubber.

Preferably, still include rings, the bottom of rings is provided with the power, be provided with lock power screw on the power to the bottom of power is provided with the heat dissipation lamp body, be provided with the waterproof screw of metal on the heat dissipation lamp body, and the bottom of heat dissipation lamp body sets up the LED lamp plate, be provided with the aluminium base board screw of lock on the LED lamp plate to the inside of LED lamp plate is provided with toughened glass, toughened glass with be provided with waterproof rubber ring between the LED lamp plate to be provided with clamping ring and lock clamping ring screw on the toughened glass.

Compared with the prior art, the utility model provides a LED lamp protection circuit has following beneficial effect:

the LED lamp does not slightly brighten due to induction electricity after the power is turned off; after the power is off, the lamp panel is separated from the power supply, so that the lamp panel is prevented from being damaged by lightning stroke, the LED and the TVS do not work, and the service life of elements is prolonged; the real time high voltage pulse of control of two-way TVS when the work of switching on electricity, protection lamp plate.

Drawings

FIG. 1 is a block diagram of a prior art circuit configuration of a power reference circuit;

fig. 2 is a block diagram of a circuit structure of a first embodiment of an LED lamp protection circuit provided by the present invention;

fig. 3 is a schematic structural diagram of a second embodiment provided by the present invention;

FIG. 4 is a schematic structural view of the whole shown in FIG. 3;

fig. 5 is a schematic structural diagram of a third embodiment provided by the present invention;

fig. 6 is a three-dimensional exploded view of the whole body shown in fig. 5.

Reference numbers in the figures: 1. waterproof lamp holder, 2, mounting disc, 3, LED lamp, 4, mounting groove, 5, protection casing, 6, recess, 7, swivel ring, 8, label layer, 9, rings, 10, power, 11, lock power screw, 12, heat dissipation lamp body, 13, metal waterproof screw, 14, LED lamp plate, 15, lock aluminium base board screw, 16, toughened glass, 17, waterproof rubber ring, 18, clamping ring, 19, lock clamping ring screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a block diagram of a circuit structure of a first embodiment of an LED lamp protection circuit according to the present invention; fig. 2 is a circuit diagram of the whole shown in fig. 1. An LED lamp protection circuit comprising: the method comprises the following steps: the circuit comprises an electromagnetic filter circuit, a PTC control circuit, a switching circuit, a PWM and constant current circuit, a rectification filter circuit, an overload protection monitoring circuit, a relay switch and an LED; the output end of the electromagnetic filter circuit is electrically connected with the input end of the PTC circuit, the input end of the PTC circuit is electrically connected with the output end of the PTC control circuit, the PTC circuit is electrically connected with the switching circuit, the switching circuit is electrically connected with the rectification filter circuit and the PWM & constant current circuit, the overload protection monitoring circuit is arranged between the rectification filter circuit and the PWM & constant current circuit, and the relay switch is arranged between the rectification filter circuit and the LED.

By installing the relay switch, the relay switch is switched on after 220v is powered on, and after the 220v main switch is switched off, the relay switch is switched off, so that the lamp panel is not burnt due to the fact that the lamp panel is not switched on when lightning strike occurs, and the relay switch is also switched off after the dimming lamp is adjusted to be 0, so that the lamp panel is not slightly bright.

K1 is normally open relay, K1 actuation after the LED power circular telegram, the lamp plate gets the electricity and lights, if there is the thunderbolt because of having Z1, two-way TVS of Z2 absorb, the damage of thunderbolt to the lamp plate has been reduced, LED power is closed the electricity back, because of K1 is normally open relay, so the lamp plate power supply line breaks off, if there is thunderbolt or high-voltage pulse like this, can not damage the lamp plate, the slightly bright phenomenon of lamp plate after having closed the electricity has also been solved, LED lamp 2 times's life has been increased at least.

1. The LED lamp does not slightly brighten due to induction electricity after the power is turned off;

2. after the power is off, the lamp panel is separated from the power supply, so that the lamp panel is prevented from being damaged by lightning stroke, the LED and the TVS do not work, and the service life of elements is prolonged;

3. the real time high voltage pulse of control of two-way TVS when the work of switching on electricity, protection lamp plate.

The utility model provides a LED lamp protection circuit's theory of operation as follows:

Second embodiment:

referring to fig. 3 and 4 of the second embodiment, the second embodiment of the present invention further provides another LED lamp.

The LED lamp can comprise the electromagnetic filter circuit, the PTC control circuit, the switching circuit, the PWM & constant current circuit, the rectifying filter circuit, the overload protection monitoring circuit, the relay switch and the LED.

The LED lamp includes:

a waterproof lamp holder 1;

the top of the mounting disc 2 is fixed at the bottom of the waterproof lamp holder 1;

the LED lamp 3 is arranged in the center of the bottom of the mounting plate 2;

the mounting groove 4 is formed in the bottom of the mounting disc 2;

the protective cover 5 is arranged at the bottom of the mounting disc 2;

the groove 6 is formed in the surface of the protective cover 5;

the rotating ring 7 is arranged on the outer surface of the waterproof lamp holder 1;

a label layer 8, said label layer 8 being arranged on top of the surface of said shield 5.

The bottom of the mounting disc 2 is provided with an electrical connection groove, and the mounting disc 2 is electrically connected with the input end of the LED lamp 3 through the electrical connection groove.

The mounting groove 4 is an annular groove, the outer side of the inner wall of the mounting groove 4 is an internal thread surface, the top of the outer surface of the protective cover 5 is provided with an external thread surface, and the protective cover 5 is in threaded connection with the internal thread surface on the mounting groove 4 through the external thread surface.

Four grooves 6 are arranged, and the four grooves 6 are uniformly distributed at the bottom of the surface of the protective cover 5.

The surface of the rotating ring 7 is provided with an inward concave structure, and the rotating ring 7 is made of insulating rubber.

Through the outside at LED lamp 3 be provided with transparent construction's protection casing 5, protection casing 5 adopts the preparation of rubber material, certain elastic action has, under the great environment of inclement weather or sand blown by the wind, the external debris that are kicked up can not direct with LED lamp 3's surface contact, both can ensure irradiant permeability through protection casing 5, simultaneously when the seal structure between protection casing 5 and the mounting disc 2 can effectually prevent rainwater weather, the rainwater is direct and reduces LED lamp 3's surface contact with LED lamp 3's surface contact, improve the life-span that LED lamp 3 used, simultaneously through the structure that is provided with recess 6 and the structure of swivel becket 7, the convenience is to protection casing 5 installation and dismantlement.

When the protective cover 5 needs to be installed, the LED lamp 3 is preferentially installed on the installation disc 2, the installation disc 2 is connected with an external power line through the sealed waterproof lamp holder 1, one hand holds the rotating ring 7, the other hand holds the groove 6 below the protective cover 5, and the protective cover 5 is twisted, so that the protective cover 5 and the installation disc 2 are fixedly connected through a threaded structure;

when the protection casing 5 is demolishd from the top of mounting disc 2 as required, only need reverse rotation protection casing 5 for protection casing 5 is demolishd from mounting disc 2, with convenient installation and the dismantlement to LED lamp 3, and mounting structure is simple, has the safeguard effect when using in the great area of rainfall or the great area of wind-force level, prolongs the life of LED lamp 3, improves city LED lamp 3's safety in utilization.

In another optional manner of this embodiment, the LED lamp may not include the electromagnetic filter circuit, the PTC control circuit, the switching circuit, the PWM & constant current circuit, the rectification filter circuit, the overload protection monitoring circuit, the relay switch, and the LED. The elements that light LED lamp constitutes only need satisfy when using in the great area of rainfall or the great area of wind level have the protective effect, prolong the life of LED lamp 3, improve the effect of city LED lamp 3's safety in utilization.

Compared with the prior art, the utility model provides a LED lamp has following beneficial effect:

the protective cover 5 with a transparent structure is arranged outside the LED lamp 3, the protective cover 5 is made of rubber materials and has a certain elastic effect, in bad weather or in an environment with large wind and sand, the sundries raised outside cannot directly contact the surface of the LED lamp 3, the light permeability can be ensured through the protective cover 5, meanwhile, the sealing structure between the protective cover 5 and the mounting disc 2 can effectively prevent rainwater from directly contacting the surface of the LED lamp 3 in rainy days, thereby reducing the service life of the LED lamp 3, prolonging the service life of the LED lamp 3, meanwhile, the installation and the disassembly of the protective cover 5 are convenient through the structure of the groove 6 and the structure of the rotating ring 7, the LED lamp has a protection effect when used in areas with large rainfall or areas with large wind level, the service life of the LED lamp 3 is prolonged, and the use safety of the LED lamp 3 in cities is improved.

The third embodiment:

it is right to combine below fig. 5 and fig. 6 the utility model provides a third embodiment to explain further, a LED lamp still includes rings 9, rings 9's bottom is provided with power 10, be provided with lock power screw 11 on the power 10 to the bottom of power 10 is provided with heat dissipation lamp body 12, be provided with metal waterproof screw 13 on the heat dissipation lamp body 12 to the bottom of heat dissipation lamp body 12 sets up LED lamp plate 14, be provided with lock aluminium base board screw 15 on the LED lamp plate 14 to the inside of LED lamp plate 14 is provided with toughened glass 15, toughened glass 15 with be provided with waterproof rubber ring 17 between the LED lamp plate 14 to be provided with clamping ring 18 and lock clamping ring screw 19 on the toughened glass 15.

The surface of the lampshade is provided with a radiating structure, so that the heat radiation of the LED during use is ensured, the service life of the LED is prolonged, and the inside of the lampshade is provided with a waterproof structure, so that the normal use of the LED is ensured.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An LED lamp protection circuit, comprising:

the circuit comprises an electromagnetic filter circuit, a PTC control circuit, a switching circuit, a PWM and constant current circuit, a rectification filter circuit, an overload protection monitoring circuit, a relay switch and an LED;

the output end of the electromagnetic filter circuit is electrically connected with the input end of the PTC circuit, the input end of the PTC circuit is electrically connected with the output end of the PTC control circuit, the PTC circuit is electrically connected with the switching circuit, the switching circuit is electrically connected with the rectification filter circuit and the PWM & constant current circuit, the overload protection monitoring circuit is arranged between the rectification filter circuit and the PWM & constant current circuit, and the relay switch is arranged between the rectification filter circuit and the LED.

2. An LED lamp comprising the electromagnetic filter circuit, the PTC control circuit, the switching circuit, the PWM & constant current circuit, the rectifying filter, the overload protection monitoring circuit, the relay switch, and the LED of claim 1, wherein the LED lamp further comprises:

a waterproof lamp cap;

the top of the mounting plate is fixed at the bottom of the waterproof lamp cap;

the LED lamp is arranged in the center of the bottom of the mounting plate;

the mounting groove is formed in the bottom of the mounting disc;

the protective cover is arranged at the bottom of the mounting disc;

the groove is formed in the surface of the protective cover;

the rotating ring is arranged on the outer surface of the waterproof lamp holder;

a label layer disposed on top of the surface of the protective cover.

3. The LED lamp of claim 2, wherein the bottom of the mounting plate has electrical connection slots formed therein, and the mounting plate is electrically connected to the input end of the LED lamp through the electrical connection slots.

4. The LED lamp of claim 2, wherein the mounting groove is an annular groove, the outer side of the inner wall of the mounting groove is an internal thread surface, the top of the outer surface of the protective cover is provided with an external thread surface, and the protective cover is in threaded connection with the internal thread surface on the mounting groove through the external thread surface.

5. The LED lamp of claim 2, wherein the number of the grooves is four, and four grooves are uniformly distributed on the bottom of the surface of the protective cover.

6. The LED lamp of claim 2, wherein the surface of the rotating ring is provided with a concave structure, and the rotating ring is made of insulating rubber.

7. The LED lamp according to claim 2, further comprising a hanging ring, wherein a power supply is arranged at the bottom of the hanging ring, power locking screws are arranged on the power supply, a heat dissipation lamp body is arranged at the bottom of the power supply, metal waterproof screws are arranged on the heat dissipation lamp body, an LED lamp panel is arranged at the bottom of the heat dissipation lamp body, aluminum locking substrate screws are arranged on the LED lamp panel, tempered glass is arranged inside the LED lamp panel, a waterproof rubber ring is arranged between the tempered glass and the LED lamp panel, and a pressing ring and a pressing locking ring screw are arranged on the tempered glass.