TWI672976B - Led lamp with power failure lighting function - Google Patents

Abstract

The LED fluorescent tube power-off lighting device of the invention comprises at least a control circuit system and is provided with electricity The source detection (single-chip bidirectional) loop has the function of detecting the power supply. When the power failure is detected, the signal can be sent to the battery control circuit to be operated by the battery supply LED lamp to provide the function of power failure illumination; or The fire detection circuit is used to detect the state inside the building. When there is an abnormal fire source or smoke, the LED lamp can be activated at appropriate time to generate appropriate escape lighting use.

Description

LED fluorescent tube power failure lighting device

The invention relates to an LED fluorescent tube power-off lighting device, in particular to a power detection (single-chip bidirectional) circuit of a control circuit system for detecting the state of the power supply, when a power failure is detected (switching to off with the switch) When the message is different, the signal can be sent to the battery control loop, and the battery module can be used to supply power to the LED tube to start the operation. When the power is cut off, the power supply can be immediately provided to improve the use of the LED tube. efficacy.

According to the LED power-off lighting device, such as the invention No. I548171 LED fluorescent tube power-off lighting device, the transmitting device is inserted into the power socket to detect the power state, and then the transmitting module circuit is set, when the power failure is detected, The signal is sent to the receiving module circuit of the control circuit system in the lamp tube to activate the charging and discharging control circuit, and the battery module supplies power to the LED lamp to start the operation, and has the function of power failure lighting. However, the foregoing prior art must insert the transmitting module in the socket, and then set the receiving module to receive the signal in the lamp tube. There is a short time difference in the process, and the shortcoming of the LED tube operation cannot be started in time.

For this reason, the inventors have accumulated years of research experience in related lighting devices, and have studied the problems of the prior inventions and invented the case.

The purpose of the present invention is to provide an LED lighting device as a home lighting device. When a power failure signal is detected, a signal can be sent to the battery control circuit for supply by the battery module. The power supply is given to the LED tube, which illuminates and operates, and has the usual illumination as a general illumination, but it is immediately used as a power-off illumination when the power is cut off, thereby improving the LED lamp tube power-off lighting device for improving the performance of the LED tube.

For the purpose of the foregoing, the LED fluorescent tube power-off lighting device of the present invention comprises at least a control circuit system, including a power supply stabilization loop, and adopts a full voltage circuit design, so that the present invention can be applied to a power supply voltage of 100 volts to 240 volts. Volt, even higher; the power detection loop is designed by a single-chip bidirectional loop, which can detect the state of the power supply by the power detection loop, when there is a power outage, and by detecting the power supply The state of the live line and the ground line to determine whether it is in a power outage state, and when it is detected that the power outage power supply is in a power outage state, a signal battery control loop can be issued, and the battery module can be supplied with power to the LED tube, and The bright LED tube operates to improve the performance of the LED tube as an emergency power-off lighting.

In the LED fluorescent tube power-off lighting device of the present invention, the control circuit system can be further provided with a fire detection circuit, which has the function of detecting abnormal fire and smoke, and can detect the signal when a fire occurs in the building. It is transmitted to the battery control circuit, and the battery module supplies power to the LED tube, and activates the operation of the LED tube for emergency lighting purposes, thereby improving the performance of the LED tube.

1‧‧‧Control circuit system

10‧‧‧Power Stabilization Circuit

11‧‧‧Power detection loop

12‧‧‧Battery Control Circuit

13‧‧‧ battery module

14‧‧‧Fire detection circuit

2‧‧‧LED fluorescent tube

20‧‧‧LED tube

21a, 21b‧‧‧ Closed components

22‧‧‧Heat components

23‧‧‧Transparent lampshade

1 is a schematic view showing the internal configuration of an LED fluorescent tube according to Embodiment 1 of the present invention.

2 is a schematic view showing the internal configuration of an LED fluorescent tube according to Embodiment 2 of the present invention.

Figure 3 is a view of the LED fluorescent tube of the present invention.

Figure 4 is a cross-sectional view taken along line A-A of Figure 3;

Figure 5 is an exploded view of the LED tube of the present invention.

In order to enable the examiner to fully understand the innovation of the LED fluorescent tube power-off lighting device of the present invention, the present invention at least includes the control circuit system 1 and the LED fluorescent tube 2, as illustrated in Figures 1 to 5 below.

1 is a first embodiment of an LED fluorescent tube power-off lighting device of the present invention. The first embodiment includes at least a control circuit system 1 and a power supply stabilization circuit 10, which adopts a full-voltage circuit design to allow the LED fluorescent lamp of the present invention. The tube can be used for power supply voltages ranging from 100 volts to 240 volts, or even higher. The power supply can be supplied to the subsequent power detection circuit 11 via the power supply stabilization circuit 10. The power detection circuit 11 is designed by a single-chip bidirectional circuit, and the power detection circuit 11 can be used to detect the status of the power supply. The detection method is to determine whether the power is off state by detecting whether the power line and the ground line have a voltage or current state. That is, when an earthquake, fire or other factors occur, the power failure (simulating the power main switch on/off test), since there is no voltage or current at the same time as the live and ground of the power supply, this is different from the general turn-off switch. Simply turn off the light switch. In essence, only the connection between the power line of the LED fluorescent tube and the power feeder is turned off, and the power ground will continue to be connected to the power feeder. Therefore, at this time, the power ground still has a small amount of voltage or Current is present. When the power line and the ground line of the LED fluorescent tube are in a state of no voltage or current, the power detecting circuit 11 detects that the power feeding line is in the state of no external power input, that is, the power source at this time The signal detected by the detection circuit 11 will be judged as a power failure state, and a signal will be sent to the battery control circuit 12, and then the battery control circuit 12 is activated by the battery control circuit 12 to supply the LED lamp 2 to operate. To provide power-off lighting.

FIG. 2 is a second embodiment of the LED fluorescent tube power-off lighting device of the present invention. The second embodiment is derived from the foregoing embodiment 1. The second embodiment includes at least: the control circuit system 1 and the power supply stabilization circuit 10 , adopts full voltage circuit design, so that the LED fluorescent tube of the invention can be It is used in power supply voltages from 100 volts to 240 volts, or even higher. The power supply can be supplied to the subsequent power detection circuit 11 via the power supply stabilization circuit 10. The power detection circuit 11 is designed by a single-chip bidirectional circuit, and the power detection circuit 11 can be used to detect the status of the power supply. The detection method is to determine whether the power is off state by detecting whether the power line and the ground line have a voltage or current state. That is, when an earthquake, fire or other factors occur, the power failure (simulating the power main switch on/off test), since there is no voltage or current at the same time as the live and ground of the power supply, this is different from the general turn-off switch. Simply turn off the light switch. In essence, only the connection between the power line of the LED fluorescent tube and the power feeder is turned off, and the power ground will continue to be connected to the power feeder. Therefore, at this time, the power ground still has a small amount of voltage or Current is present. When the power line and the ground line of the LED fluorescent tube are in a state of no voltage or current, the power detecting circuit 11 detects that the power feeding line is in the state of no external power input, that is, the power source at this time The signal detected by the detection circuit 11 will be judged as a power failure state, and a signal will be sent to the battery control circuit 12, and then the battery control circuit 12 is activated by the battery control circuit 12 to supply the LED lamp 2 to operate. To provide power-off lighting. The control circuit system 1 of the second embodiment is provided with a fire detection circuit 14 having the function of detecting abnormal fire and smoke in the building, and detecting a fire or possibly causing a fire in the building. When the smoke signal is transmitted, the signal can be transmitted to the battery control circuit 1, and the battery module supplies power to the LED tube and activates the operation of the LED tube for emergency lighting purposes, thereby improving the use of the LED tube. efficacy. Of course, when a fire occurs in a building, the LED lamp can be activated for emergency lighting through the operation of the power detecting circuit.

As shown in FIGS. 1 and 2, the battery control circuit 12 can normally charge the battery module 12, and in an emergency, the battery module 13 can be activated to supply power to the LED tube 20 of the LED fluorescent tube 2. And the foregoing control circuit system 1 is properly installed inside the LED fluorescent tube 2, and then After the LED fluorescent lamp 2 is in front of the LED fluorescent lamp 2, the combined heat dissipating component 22 and the transparent lampshade 23 are both closed by a closing element 21a, 21b to complete the assembly of the LED lamp tube (see Figures 4 and 5).

As shown in FIG. 3 to FIG. 5, the LED lamp tube 20 of the present invention is provided on the circuit board by a plurality of LED lamps, and provides home lighting in a normal manner, and functions as an emergency lighting when the power is turned off, and the power detecting circuit 11 of the control circuit system 1 is controlled. The state of the power supply feeder can be detected more quickly, the battery control circuit 12 can be quickly activated, and the battery module 13 can be driven to supply power to the LED lamp 20 to provide emergency power failure illumination, so that the present invention can fully utilize the LED light. The effectiveness of the management is a progressive and innovative component of the case.

The above-described embodiments or drawings are not intended to limit the scope of the invention, and the scope of the invention is to be construed as being limited by the scope of the invention.

Claims (3)

An LED fluorescent tube power-off lighting device comprises at least: a control circuit system comprising a power supply stabilization loop, a power detection loop and a battery control loop; the power supply stabilization loop adopts a design of a full voltage loop, and the power supply can be supplied via the foregoing power supply stabilization loop The power supply detection circuit is designed as a single-chip bidirectional circuit, and the power detection circuit detects the state of the live line and the ground line of the power supply to determine whether it is in a power outage state; the battery control circuit It can control the charging/discharging operation of the battery module, and when the power failure signal is received, the battery module is activated immediately to supply the LED lamp to provide the purpose of power failure lighting; the LED fluorescent tube, the LED tube, and the interior The control circuit system can be installed and installed; the control circuit system is installed inside the LED fluorescent tube, and the combined heat dissipating component and the transparent lamp cover are closed by a closed component before and after the LED fluorescent lamp. The LED fluorescent tube power-off lighting device comprises at least: a control circuit system, comprising a power supply stabilization loop, a power detection loop, a battery control loop and a fire detection loop; the foregoing power stabilization loop adopts a design of a full voltage loop, and the power supply can be powered The power stabilization circuit is supplied to the subsequent loop operation; the power detection loop is designed as a single-chip bidirectional loop, and the power detection loop detects the state of the live line and the ground of the power supply to determine whether it is in a power outage state. The battery control circuit can control the charging/discharging operation of the battery module, and when the power failure signal is received, immediately activate the battery module to supply the LED lamp to provide the purpose of providing power failure lighting; the fire detection circuit, It has the function of detecting abnormal fire and smoke in the building. When detecting the fire of the building or the smoke of the fire that may cause the fire, the battery control circuit can be used to start the supply of the battery module to the LED lamp. Operation as a means of emergency lighting; The LED fluorescent tube is provided with an LED tube, and the inside can be installed and installed for the foregoing control circuit system; the foregoing control circuit system is installed inside the LED fluorescent tube, and the combined heat dissipating component is combined with a closed component before and after the LED fluorescent lamp. The two sides of the transparent lampshade are bolted and closed. The LED fluorescent tube power-off lighting device according to claim 1 or 2, wherein the power detecting circuit is configured to detect whether a power or current state exists in the live line and the ground line of the power supply source to determine whether the power is off. State; when an earthquake, fire or other factors occur, the power line and the ground line of the power supply will have no voltage or current at the same time, that is, the live line and the ground line of the power supply and the power supply line are in a state of no voltage or current. The power detection loop can be judged as a power failure state, and the signal is transmitted to the subsequent battery control circuit to supply power to the LED lamp through the battery module for emergency lighting.