CN216253305U

CN216253305U - Intelligent electrodeless constant-current constant-temperature chip self-adaptive LED overvoltage protection device

Info

Publication number: CN216253305U
Application number: CN202122146341.8U
Authority: CN
Inventors: 雷本高
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-08
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an intelligent electrodeless constant-current constant-temperature chip self-adaptive LED overvoltage protection device which comprises an aluminum substrate matched with a lamp to mount a light source, a rectifier bridge stack arranged on the aluminum substrate, a high PF correction stroboflash removal electrolytic capacitor, a discharge resistor, a wire-wound inductive resistor, a piezoresistor, an LED lamp and the like. According to the overvoltage protection device of the intelligent electrodeless constant-current constant-temperature chip self-adaptive LED, the circuit combination of a rectifier bridge stack, a discharge resistor, an electrolytic capacitor, a wire-wound inductive resistor, a piezoresistor and the like is carried out on a circuit board, and the output direct current is subjected to AC/AC bridge rectification and is matched with the intelligent electrodeless constant-current constant-temperature chip to automatically and intelligently adjust the power of the LED to provide stable current for an LED lamp, so that the LED lamp is ensured to have current stability, the LED lamp is effectively subjected to over-temperature protection, the working current of the intelligent adaptive overvoltage protection LED lamp is not damaged, the service life of the LED lamp is prolonged, and the manufacturing cost of the LED lamp is reduced.

Description

Intelligent electrodeless constant-current constant-temperature chip self-adaptive LED overvoltage protection device

Technical Field

The utility model relates to the technical field of lighting lamps, in particular to an intelligent electrodeless constant-current constant-temperature chip which has the advantages of self-adapting and automatic adjustment of LED stable current and has a protection device capable of realizing automatic current stabilization by the intelligent electrodeless constant-temperature chip with overvoltage and constant-current protection.

Background

When the LED lamp is used, the LED lamp is provided with running energy through power output current, so that the LED lamp can be used for illumination, when the traditional LED lamp is used for supplying electric energy through the current limiting resistor connected in series with the lamp beads, the LED lamp is damaged due to overhigh junction temperature caused by poor current stability, the lamp beads do not have an overvoltage protection function, the service life of the LED lamp is prolonged, the heat dissipation cost of the lamp is high during heat dissipation, and the manufacturing cost of the lamp is increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the intelligent electrodeless constant-current constant-temperature chip self-adaptive LED overvoltage protection device, which has the advantages that the circuit board is subjected to rectifier bridge stack, stroboflash electrolytic capacitor, discharge resistor, wire-wound inductive resistor and piezoresistor circuit combination, AC (alternating current) input is rectified by a bridge type to output direct current, and the intelligent electrodeless constant-current constant-temperature chip is matched to provide electric energy for an LED lamp, so that the current stability of the LED lamp is ensured, the LED lamp is effectively protected against over-temperature, the safe current is automatically adjusted, the working current of the overvoltage protection LED lamp is not damaged, the service life of the LED lamp is prolonged, and the manufacturing cost of the LED lamp is reduced.

The technical scheme adopted by the utility model for realizing the purpose is as follows: an intelligent electrodeless constant-current constant-temperature chip self-adaptive LED overvoltage protection device comprises an aluminum substrate matched with a lamp to mount a light source, a rectifier bridge stack arranged on the aluminum substrate, a high PF correction stroboflash removal electrolytic capacitor, a discharge resistor, a wire winding inductive resistor and a piezoresistor, wherein an LED lamp is arranged on the end surface of the aluminum substrate, and an intelligent electrodeless constant-current constant-temperature chip is arranged on the end surface of the aluminum substrate corresponding to the access end of the LED lamp;

the input ends of the rectifier bridge stack, the bleeder resistor, the wire-wound inductive resistor and the piezoresistor are in power supply connection with the LED lamp through the high PF correction stroboflash-removing electrolytic capacitor after being bridge-rectified, the input end of the rectifier bridge stack is connected with an alternating current AC connecting end, the input end of the LED is connected with an intelligent electrodeless constant-current constant-temperature chip in series to form an overvoltage protection device of the self-adaptive LED, the LED lamp has the advantages that the circuit board is combined with the rectifier bridge stack, the high PF correction stroboflash removal electrolytic capacitor, the bleeder resistor, the wire winding inductive resistor and the piezoresistor circuit, the AC alternating current bridge type rectification output direct current is matched with the intelligent electrodeless constant-current constant-temperature chip to provide electric energy for the LED lamp, the current stability of the LED lamp is ensured, the LED over-temperature protection and the automatic adjustment of safe current are effectively realized, the working voltage and the working current of the LED lamp are protected from being damaged by overvoltage, the service life of the LED lamp is prolonged, and the manufacturing cost of the LED lamp is reduced.

Furthermore, the end face of the aluminum substrate is provided with an installation hole site which is matched with the lamp for installation.

The installation hole positions are matched with the penetration of screws or fixed with the installation positions of the lamp through the penetration of structures such as clamping columns, and the lamp is quickly assembled.

Furthermore, the wire-wound inductive resistor and the voltage-sensitive resistor are arranged in a single-group or multi-group structure according to requirements, and the intelligent electrodeless constant-current constant-temperature chip is connected in parallel with a plurality of groups according to the application requirements of the LED lamps with different powers.

According to the utility model, the intelligent electrodeless constant-current constant-temperature chip is connected with the input end of the LED lamp, the intelligent electrodeless constant-current constant-temperature chip is matched with the series connection of the LED lamp, and the combination of the stroboflash electrolytic capacitor, the discharge resistor, the wire-wound inductive resistor and the piezoresistor circuit is corrected by the high PF through the rectifier bridge stack, so that the steady-state current is effectively provided for the LED lamp, after the current connected to the LED lamp panel is stable, the running temperature of the aluminum substrate cannot generate overhigh temperature, the cost of the lamp on a heat dissipation structure is reduced, the lamp is convenient to manufacture and produce, the junction temperature of the LED lamp is not overhigh, the overvoltage protection is realized during the running of the LED lamp, the voltage cannot be damaged by high voltage during the running of the LED lamp, the anti-surge function of the LED lamp during the working can be improved, the problem of breakdown short circuit failure is inhibited, and the service life of the LED lamp is prolonged.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. an aluminum substrate; 2. correcting a stroboscopic removal electrolytic capacitor by using a high PF; 3. a rectifier bridge stack; 4. a bleeder resistor; 5. a wire wound inductive resistance; 6. a voltage dependent resistor; 7. an LED lamp; 8. an intelligent electrodeless constant-current constant-temperature chip; 9. an Alternating Current (AC) connection terminal; 10. and (6) installing hole sites.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an intelligent electrodeless constant-current constant-temperature chip adaptive LED overvoltage protection device includes an aluminum substrate 1 for mounting a light source in cooperation with a lamp, a high PF correction stroboflash removal electrolytic capacitor 2 disposed on the aluminum substrate 1, a rectifier bridge stack 3, a discharge resistor 4, a wire-wound inductive resistor 5, and a piezoresistor 6, wherein the wire-wound inductive resistor 5 and the piezoresistor 6 are respectively provided with a single group or multiple groups as required, and the intelligent electrodeless constant-current constant-temperature chip 8 can be connected in parallel with multiple groups of current amplification devices to meet various LED applications with different powers.

The LED lamp 7 is arranged on the end face of the aluminum substrate 1, the intelligent electrodeless constant-current constant-temperature chip 8 is arranged on the end face of the aluminum substrate 1 corresponding to the access end of the LED lamp 7, the LED lamp 7 is connected in series through the intelligent electrodeless constant-current constant-temperature chip 8, the working current is output for steady-state processing, and the LED lamp 7 is kept to provide steady-state current when in operation;

the input ends of the rectifier bridge stack 3, the discharge resistor 4, the wire-wound inductive resistor 5 and the piezoresistor 6 and mains supply AC are subjected to bridge rectification and then are subjected to rectification through a high PF to remove the stroboscopic electrolytic capacitor 2 to be in power supply connection with the LED lamp 7, the input end of the rectifier bridge stack 3 is connected with an alternating current AC connecting end 9, the alternating current AC connecting end 9 is electrically connected with the sections through a connecting circuit, and the input end of the LED lamp 7 is connected with an intelligent electrodeless constant-current constant-temperature chip 8.

The end face of the aluminum substrate 1 is provided with a mounting hole position 10 which is matched with a lamp for mounting. When the lamp is assembled, the aluminum substrate 1 is fixed with the installation position of the lamp through the installation hole position 10 in cooperation with the penetration of a screw or the penetration of a structure such as a clamping column, so that the rapid assembly of the lamp is realized.

According to the utility model, the intelligent electrodeless constant-current constant-temperature chip 8 is connected with the input end of the LED lamp 7 in series, and the intelligent application of over-temperature protection, over-current protection and over-voltage protection of the self-adaptive LED lamp is realized through the intelligent electrodeless constant-current constant-temperature chip 8;

the LED lamp 7 has the advantages that stable current work is effectively provided for the input current of the LED lamp 7, after the LED lamp 7 is connected with the stable current, the running temperature of the aluminum substrate 1 cannot generate overhigh temperature, the cost of the lamp on a heat dissipation structure is reduced, the lamp is convenient to manufacture and produce, the overtemperature protection is realized, so that the junction temperature of the LED lamp 7 is not easy to damage due to overhigh temperature, the overvoltage protection is realized during the running of the LED lamp 7, the voltage cannot be damaged by high voltage during the running of the LED lamp 7, the anti-surge function during the running of the LED lamp 7 is improved, the problem of breakdown short circuit failure is solved, and the service life of the LED lamp is prolonged.

And the working power supply of the LED lamp 7 has high power factor correction energy efficiency through the arrangement of the intelligent electrodeless constant-current constant-temperature chip 8.

The PF value can be improved, the vision can be protected without stroboflash, and the effects of dimming the silicon controlled rectifier and saving electric energy can be realized.

And the LED power supply can replace a power supply IC chip to be applied, and the manufacturing cost of the LED power supply is reduced.

The electrodeless constant-current constant-temperature chip 8 is connected with the LED lamp 7 in series to form an over-temperature, over-current, over-voltage, constant-current and constant-power self-adaptive automatic protection circuit, the LED chip of the LED lamp 7 can be effectively protected, and the bridge stack outputs direct current after alternating current bridge rectification to be connected in series with the electrodeless constant-current constant-temperature chip to provide stable working current for the LED.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The utility model provides an electrodeless constant current constant temperature chip self-adaptation LED's of intelligence overvoltage protector, including aluminium base board (1) of cooperation lamps and lanterns installation light source, locate high PF correction on aluminium base board (1) and remove stroboscopic electrolytic capacitor (2), rectifier bridge heap (3), bleeder resistor (4), wire-wound inductive resistor (5), piezo-resistor (6), its characterized in that: an LED lamp (7) is arranged on the end face of the aluminum substrate (1), and an intelligent electrodeless constant-current constant-temperature chip (8) is arranged on the end face of the aluminum substrate (1) corresponding to the access end of the LED lamp (7);

the input ends of the rectifier bridge stack (3), the bleeder resistor (4), the wire-wound inductive resistor (5) and the piezoresistor (6) are rectified in a bridge mode and then are connected with the LED lamp (7) in a power supply mode through the high PF correction stroboflash removing electrolytic capacitor (2), the input end of the rectifier bridge stack (3) is connected with an Alternating Current (AC) connecting end (9), and the input end of the LED lamp (7) is connected with the intelligent electrodeless constant-current constant-temperature chip (8).

2. The overvoltage protection device of the intelligent electrodeless constant-current constant-temperature chip self-adaptive LED according to claim 1, is characterized in that: the end face of the aluminum substrate (1) is provided with an installation hole (10) matched with a lamp for installation.

3. The overvoltage protection device of the intelligent electrodeless constant-current constant-temperature chip self-adaptive LED according to claim 1, is characterized in that: the wire-wound inductive resistor (5) and the piezoresistor (6) are arranged in a single-group or multi-group structure according to requirements, and the intelligent electrodeless constant-current constant-temperature chip (8) is connected in parallel with multiple groups according to the application requirements of the LED lamps with different powers.