CN212056774U - LED filament lamp - Google Patents
LED filament lamp Download PDFInfo
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- CN212056774U CN212056774U CN202020695169.4U CN202020695169U CN212056774U CN 212056774 U CN212056774 U CN 212056774U CN 202020695169 U CN202020695169 U CN 202020695169U CN 212056774 U CN212056774 U CN 212056774U
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Abstract
The utility model discloses a LED filament lamp, characteristics are including lamp body, drive power supply and the module of charging, are provided with the emergent luminescence unit that is used for realizing the LED filament of main illumination and is used for realizing emergency lighting in the lamp body, and the LED filament is connected with drive power supply, and emergent luminescence unit is connected with the module of charging, is provided with control circuit in the drive power supply, when the commercial power outage, charges the module through control circuit control and realizes emergency lighting for emergent luminescence unit power supply. The LED filament lamp has the advantages that the structure is simple, so that the LED filament lamp has the function of emergency lighting; the LED lamp filament is responsible for main lighting under the normal power-on condition, the emergency light-emitting unit is responsible for emergency lighting after power-off, and the two light-emitting units respectively undertake the light-emitting tasks under different conditions, so that the service life of the whole lamp is long.
Description
Technical Field
The utility model relates to a LED lamp especially relates to a LED filament lamp.
Background
The LED filament lamp utilizes the LED lamp strip to replace a tungsten filament in the original incandescent lamp, has the advantages of energy conservation, environmental protection, long service life and the like of the conventional LED lamp, realizes 360-degree full-angle light emission, has the shape of returning to the ancient, is simple to assemble, and is deeply popular in the market. LED filament lamp on the existing market can only satisfy normal commercial power illumination usually, in case the electric wire netting outage appears, must cause inconvenience to the user.
Disclosure of Invention
The utility model aims to solve the technical problem that a LED filament lamp that simple structure, have emergency lighting function is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a LED filament lamp, includes lamp body, drive power supply and the module of charging, the lamp body in be provided with the emergent luminescence unit that is used for realizing the LED filament of main illumination and is used for realizing emergency lighting, the LED filament with drive power supply be connected, emergent luminescence unit with the module of charging be connected, drive power supply in be provided with control circuit, when the commercial power outage, through control circuit control the module of charging do emergent luminescence unit power supply realize emergency lighting.
The control circuit comprises a fuse, a rectifier bridge, an active capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a linear constant current chip, a voltage stabilizing diode, a first passive capacitor, a second passive capacitor and an emergency detection control chip;
the first pin of the fuse is connected with the live wire connecting end on the lamp shell, the second pin of the fuse is connected with the first pin of the rectifier bridge, the second pin of the rectifier bridge is connected with the zero wire connecting end on the lamp shell, the third pin of the rectifier bridge is grounded, the common end formed by connecting the fourth pin of the rectifier bridge with the anode of the polar capacitor and the first pin of the first resistor is connected with the anode of the LED filament, the common end formed by connecting the cathode of the polar capacitor, the second pin of the first resistor, the second pin of the linear constant current chip and the first pin of the second resistor is grounded, the second pin of the second resistor is connected with the third pin of the linear constant current chip, and the first pin of the linear constant current chip is connected with the anode of the voltage stabilizing diode, the common end formed by connecting the cathode of the LED filament with the cathode of the voltage stabilizing diode is connected with the anode of the diode, the common end formed by connecting the cathode of the diode with the anode of the charging module and the first pin of the second electrodeless capacitor is connected with the sixth pin of the emergency detection control chip, the common end formed by connecting the cathode of the charging module with the second pin of the second electrodeless capacitor is connected with the fifth pin of the emergency detection control chip, the first pin of the emergency detection control chip is connected with the zero line connecting end on the lamp housing, the eighth pin of the emergency detection control chip is connected with the live line connecting end on the lamp housing, the first pin of the emergency detection control chip is connected with the first pin of the second electrodeless capacitor, and the second pin of the second electrodeless capacitor is connected with the fourth pin, the fourth pin and the fifth pin of the emergency detection control chip, The common end formed by connecting the anodes of the voltage stabilizing diodes is grounded, the common end formed by connecting the third pin of the emergency detection control chip with the first pin of the fourth resistor is connected with the first pin of the third resistor, the common end formed by connecting the second pin of the third resistor with the second pin of the fourth resistor is connected with the anode of the emergency light-emitting unit, and the cathode of the emergency light-emitting unit is grounded.
The control circuit is simple in structure, and the specific working principle is as follows: when 85-265Vac voltage is normally input between a live wire and a zero line, alternating current is converted into positive half-cycle current through a rectifier bridge, the positive half-cycle current is relatively smooth through an active capacitor, a main lighting loop is formed by an LED filament, a voltage stabilizing diode, a linear constant current chip and a second resistor, a charging management loop between a fifth pin (BATN) and a sixth pin (BATP) on an emergency detection control chip is opened, a third pin (EN) on the emergency detection control chip outputs low level, an emergency light-emitting unit is not bright, the positive half-cycle current forms a charging loop through the LED filament, the diode, the emergency detection control chip and a charging module, and when the charging module is fully charged, the emergency detection control chip controls to disconnect the connection relationship between the linear constant current chip and the charging module, so that overcharging is prevented; when the impedance between the live wire and the zero line is larger than 600K (namely the wall switch is closed), the internal switch is cut off, the third pin (EN) on the emergency detection control chip outputs low level, and the emergency light-emitting unit does not work; when the impedance between the live wire and the zero line is less than 500K, a discharge management loop between a fifth pin (BATN) and a sixth pin (BATP) on the emergency detection control chip is opened, a third pin (EN) on the emergency detection control chip outputs high level, and the emergency light-emitting unit emits light; when the discharging voltage of the charging module is detected to be lower than the design standard, the discharging loop is disconnected, and over-discharging is prevented.
The model of the linear constant current chip is SM2082 GA.
The model of the emergency detection control chip is QW 2886L.
The lamp body include the lamp holder, set up the lamp holder on insulating casing and setting be in insulating casing on the printing opacity cover, the LED filament setting be in the printing opacity cover in, the module of charging with drive power supply set up insulating casing in, emergent luminescence unit including the level setting be in insulating casing in SMD lamp pearl board, the up end cloth of SMD lamp pearl board be equipped with SMD lamp pearl. Above-mentioned LED filament lamp simple structure, safe in utilization, SMD lamp pearl board level sets up, and its upper end face cloth is equipped with SMD lamp pearl for when emergency lighting, the light accessible printing opacity cover that SMD lamp pearl launches outwards transmits away.
The charging module is a rechargeable battery or a super capacitor. Simple structure and low cost.
The light-transmitting cover is filled with heat dissipation gas. The whole lamp can be rapidly cooled, and the service life of the whole lamp can be prolonged.
Compared with the prior art, the utility model has the advantages of: the LED lamp filament lamp has a simple structure, the LED lamp filament for realizing main illumination and the emergency light-emitting unit for realizing emergency illumination are respectively arranged in the lamp shell, and when the mains supply is powered off, the charging module is controlled by the control circuit to supply power to the emergency light-emitting unit so as to realize emergency illumination, so that the LED lamp filament lamp has the function of emergency illumination; the LED lamp filament is responsible for main lighting under the normal power-on condition, the emergency light-emitting unit is responsible for emergency lighting after power-off, and the two light-emitting units respectively undertake the light-emitting tasks under different conditions, so that the service life of the whole lamp is long.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic view of the exploded structure of the present invention;
fig. 3 is a circuit structure of the middle control circuit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 3, an LED filament lamp includes a lamp housing 1, a driving power supply 2 and a charging module BT, an LED filament 4 for implementing main lighting and an emergency light-emitting unit 5 for implementing emergency lighting are provided in the lamp housing 1, the LED filament 4 is connected to the driving power supply 2, the emergency light-emitting unit 5 is connected to the charging module BT, a control circuit is provided in the driving power supply 2, and when a mains supply is powered off, the charging module BT is controlled by the control circuit to supply power to the emergency light-emitting unit 5 to implement emergency lighting.
In this embodiment, the control circuit includes a fuse FRS, a rectifier bridge DB1, an active capacitor C1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a linear constant current chip U1, a zener diode D2, a diode D1, a first passive capacitor C2, a second passive capacitor C3, and an emergency detection control chip U2;
the first pin of the fuse FRS is connected with the live wire connecting end VL on the lamp shell 1, the second pin of the fuse FRS is connected with the first pin of the rectifier bridge DB1, the second pin of the rectifier bridge DB1 is connected with the zero wire connecting end VN on the lamp shell 1, the third pin of the rectifier bridge DB1 is grounded, the fourth pin of the rectifier bridge DB1 is connected with the anode of the polar capacitor C1 and the common end formed by connecting the first pin of the first resistor R1 with the anode of the LED filament 4, the cathode of the polar capacitor C1, the second pin of the first resistor R1, the common end formed by connecting the second pin of the linear constant current chip U1 and the first pin of the second resistor R2 is grounded, the second pin of the second resistor R2 is connected with the third pin of the linear constant current chip U1, the first pin of the linear chip U1 is connected with the anode of the voltage stabilizing diode D2, the cathode of the LED filament 4 (LED filament 1-85N) is connected with the cathode of the common end of the voltage stabilizing diode D1, the common end formed by connecting the cathode of the diode D1 with the anode of the charging module BT and the first pin of the second electrodeless capacitor C3 is connected with the sixth pin of the emergency detection control chip U2, the common end formed by connecting the cathode of the charging module BT with the second pin of the second electrodeless capacitor C3 is connected with the fifth pin of the emergency detection control chip U2, the first pin of the emergency detection control chip U2 is connected with the zero line connecting end VN on the lamp housing 1, the eighth pin of the emergency detection control chip U2 is connected with the live line connecting end VL on the lamp housing 1, the common end formed by connecting the first pin of the emergency detection control chip U2 with the first pin of the second electrodeless capacitor C3, the second pin of the second electrodeless capacitor C3 with the fourth pin of the emergency detection control chip U2 and the anode of the voltage stabilizing diode D2D1 is grounded, the common end formed by connecting the third pin of the emergency detection control chip U2 with the first pin of the fourth resistor R4 is connected with the first pin of the third resistor R3, the common end formed by connecting the second pin of the third resistor R3 and the second pin of the fourth resistor R4 is connected with the anode of the emergency lighting unit 5, and the cathode of the emergency lighting unit 5 is grounded.
The control circuit is simple in structure, and the specific working principle is as follows: when 85-265Vac voltage is normally input between the live line VL and the zero line VN, alternating current is converted into positive half-cycle current through the rectifier bridge DB1, becomes relatively smooth positive half-cycle current through the active capacitance C1, a main lighting loop is formed by an LED filament 4, a voltage stabilizing diode D2, a linear constant current chip U1 and a second resistor R2, at the moment, a charging management loop between a fifth pin (BATN) and a sixth pin (BATP) on an emergency detection control chip U2 is opened, a third pin (EN) on the emergency detection control chip U2 outputs a low level, an emergency light-emitting unit 5 is not lighted, a positive half-cycle current passes through the LED filament 4, a diode D1, the emergency detection control chip U2 and a charging module BT to form a charging loop, when the charging module BT is fully charged, the emergency detection control chip U2 controls the disconnection of the connection relation between the linear constant current chip U1 and the charging module BT, so that overcharging is prevented; when the impedance between the live wire VL and the zero wire VN is larger than 600K (namely, the wall switch is closed), the internal switch is closed, the third pin (EN) on the emergency detection control chip U2 outputs low level, and the emergency light-emitting unit 5 does not work; when the impedance between the live wire VL and the zero wire VN is less than 500K, a discharge management loop between a fifth pin (BATN) and a sixth pin (BATP) on the emergency detection control chip U2 is opened, a third pin (EN) on the emergency detection control chip U2 outputs high level, and the emergency light-emitting unit 5 emits light; when the discharging voltage of the charging module BT is detected to be lower than the design standard, the discharging loop is disconnected, and over-discharging is prevented.
In this particular embodiment, the linear constant current chip U1 is model SM2082 GA.
In this particular embodiment, the emergency detection control chip U2 is of model QW 2886L.
In this embodiment, the lamp housing 1 includes a lamp cap 101, an insulating casing 102 disposed on the lamp cap 101, and a light-transmitting cover 103 disposed on the insulating casing 102, the LED filament 4 is disposed in the light-transmitting cover 103, the charging module BT and the driving power supply 2 are disposed in the insulating casing 102, the emergency lighting unit 5 includes an SMD lamp bead plate 51 horizontally disposed in the insulating casing 102, and an SMD lamp bead 52 is disposed on an upper end surface of the SMD lamp bead plate 51.
In this embodiment, the charging module BT is a rechargeable battery or a super capacitor.
In this embodiment, the transparent cover 103 is filled with heat dissipation gas.
Claims (7)
1. The utility model provides a LED filament lamp, its characterized in that includes lamp body, drive power supply and the module of charging, the lamp body in be provided with the emergent luminescence unit that is used for realizing the LED filament of main illumination and is used for realizing emergency lighting, the LED filament with drive power supply be connected, emergent luminescence unit with the module of charging be connected, drive power supply in be provided with control circuit, when the commercial power outage, through control circuit control the module of charging do emergent luminescence unit power supply realize emergency lighting.
2. The LED filament lamp of claim 1 wherein the control circuit comprises a fuse, a rectifier bridge, an active capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a linear constant current chip, a zener diode, a first passive capacitor, a second passive capacitor, and an emergency detection control chip;
the first pin of the fuse is connected with the live wire connecting end on the lamp shell, the second pin of the fuse is connected with the first pin of the rectifier bridge, the second pin of the rectifier bridge is connected with the zero wire connecting end on the lamp shell, the third pin of the rectifier bridge is grounded, the common end formed by connecting the fourth pin of the rectifier bridge with the anode of the polar capacitor and the first pin of the first resistor is connected with the anode of the LED filament, the common end formed by connecting the cathode of the polar capacitor, the second pin of the first resistor, the second pin of the linear constant current chip and the first pin of the second resistor is grounded, the second pin of the second resistor is connected with the third pin of the linear constant current chip, and the first pin of the linear constant current chip is connected with the anode of the voltage stabilizing diode, the common end formed by connecting the cathode of the LED filament with the cathode of the voltage stabilizing diode is connected with the anode of the diode, the common end formed by connecting the cathode of the diode with the anode of the charging module and the first pin of the second electrodeless capacitor is connected with the sixth pin of the emergency detection control chip, the common end formed by connecting the cathode of the charging module with the second pin of the second electrodeless capacitor is connected with the fifth pin of the emergency detection control chip, the first pin of the emergency detection control chip is connected with the zero line connecting end on the lamp housing, the eighth pin of the emergency detection control chip is connected with the live line connecting end on the lamp housing, the first pin of the emergency detection control chip is connected with the first pin of the second electrodeless capacitor, and the second pin of the second electrodeless capacitor is connected with the fourth pin, the fourth pin and the fifth pin of the emergency detection control chip, The common end formed by connecting the anodes of the voltage stabilizing diodes is grounded, the common end formed by connecting the third pin of the emergency detection control chip with the first pin of the fourth resistor is connected with the first pin of the third resistor, the common end formed by connecting the second pin of the third resistor with the second pin of the fourth resistor is connected with the anode of the emergency light-emitting unit, and the cathode of the emergency light-emitting unit is grounded.
3. The LED filament lamp of claim 2 wherein the linear constant current chip is model SM2082 GA.
4. An LED filament lamp as in claim 2 wherein said emergency detection control chip is of the type QW 2886L.
5. An LED filament lamp as claimed in claim 1 or 2, wherein said lamp housing comprises a lamp cap, an insulating housing disposed on said lamp cap, and a light-transmitting cover disposed on said insulating housing, said LED filament is disposed in said light-transmitting cover, said charging module and said driving power supply are disposed in said insulating housing, said emergency lighting unit comprises an SMD lamp bead plate horizontally disposed in said insulating housing, and an SMD lamp bead is disposed on an upper end surface of said SMD lamp bead plate.
6. The LED filament lamp of claim 1 or 2 wherein the charging module is a rechargeable battery or a super capacitor.
7. The LED filament lamp of claim 5 wherein the light transmissive cover is filled with a heat sink gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695169.4U CN212056774U (en) | 2020-04-29 | 2020-04-29 | LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695169.4U CN212056774U (en) | 2020-04-29 | 2020-04-29 | LED filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212056774U true CN212056774U (en) | 2020-12-01 |
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ID=73517366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020695169.4U Active CN212056774U (en) | 2020-04-29 | 2020-04-29 | LED filament lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212056774U (en) |
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2020
- 2020-04-29 CN CN202020695169.4U patent/CN212056774U/en active Active
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