CN219893490U

CN219893490U - LED panel light with power failure emergency function

Info

Publication number: CN219893490U
Application number: CN202321160881.4U
Authority: CN
Inventors: 董雷
Original assignee: Guangdong Practical Smart Lighting Co ltd
Current assignee: Guangdong Practical Smart Lighting Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-10-24
Anticipated expiration: 2033-05-12

Abstract

The utility model provides an LED panel lamp with a power failure emergency function, which comprises a rectifier, a first LED driver, an LED lamp module and a power failure emergency module, wherein the power failure emergency module comprises a mains supply detection module, a storage battery, a control unit, a second LED driver and a first switch circuit; the direct current output end of the rectifier is electrically connected with the first LED driver and the storage battery respectively; the first LED driver is electrically connected with the LED lamp module; the storage battery is respectively and electrically connected with the second LED driver and the control unit, and the second LED driver is electrically connected with the LED lamp module through the first switch circuit; the control unit is respectively connected with the mains supply detection module and the first switch circuit in an electric signal manner; the control unit is used for controlling the first switch circuit to be conducted after the commercial power detection module detects that the alternating current power supply is powered off, so that the storage battery is used for supplying power to the LED lamp module.

Description

LED panel light with power failure emergency function

Technical Field

The utility model relates to the technical field of LED lamps, in particular to an LED panel lamp with a power failure emergency function.

Background

Along with the continuous breakthrough of LED (Light Emitting Diode) technology, the LED lamp is widely applied to various different scenes such as industrial plants, ports and wharfs, production workshops, super suppliers, sports casinos, warehouses and the like. The LED panel lamp is a high-grade LED illumination lamp, and is widely applied to the fields of ceiling decoration illumination, wall decoration illumination and the like because of the characteristics of energy conservation, uniform illumination, soft light, comfort, no brightness loss and the like, and most offices are provided with the LED panel lamp for illumination at present.

Most of the LED panel lamps in the market at present do not have the power failure emergency function, that is, when the power supply of the commercial power fails and the LED panel lamps cannot continue to work, normal work and life can be affected, and when an emergency situation occurs (for example, when a fire disaster occurs), life safety of a user can be endangered.

Disclosure of Invention

The LED panel lamp with the power failure emergency function can continue to work under the condition of power failure of the commercial power, so that the normal work and life safety of a user are ensured.

The utility model provides an LED panel lamp with a power failure emergency function, which comprises a rectifier, a first LED driver, an LED lamp module and a power failure emergency module, wherein the power failure emergency module comprises a mains supply detection module, a storage battery, a control unit, a second LED driver and a first switch circuit;

the alternating current input end of the rectifier is used for being electrically connected with an alternating current power supply, and the direct current output end of the rectifier is electrically connected with the first LED driver and the storage battery respectively; the first LED driver is electrically connected with the LED lamp module;

the storage battery is respectively and electrically connected with the second LED driver and the control unit, the second LED driver is electrically connected with the LED lamp module through the first switch circuit, and the first switch circuit is used for connecting or disconnecting the second LED driver and the LED lamp module; the commercial power detection module is used for being electrically connected with the alternating current power supply to detect whether the alternating current power supply is powered off or not; the control unit is respectively connected with the commercial power detection module and the first switch circuit in an electric signal manner; the control unit is used for controlling the first switch circuit to be conducted after the commercial power detection module detects that the alternating current power supply is powered off, so that the second LED driver is electrically connected with the LED lamp module, and the storage battery is used for supplying power to the LED lamp module.

Further, the LED lamp module comprises a plurality of LED lamp sub-modules, the first switch circuit comprises a plurality of sub-switch circuits, and the plurality of sub-switch circuits are electrically connected with the second LED driver; the plurality of sub-switch circuits are respectively in one-to-one correspondence with the plurality of LED lamp sub-modules, and each sub-switch circuit is electrically connected with the corresponding LED lamp sub-module; the control unit is respectively connected with a plurality of sub-switch circuits in an electric signal mode, and can control all the sub-switch circuits to be conducted simultaneously, so that all the LED lamp sub-modules are turned on simultaneously, or control part of the sub-switch circuits to be conducted, so that part of the LED lamp sub-modules are turned on.

Further, the power failure emergency module further comprises a microwave sensor, the microwave sensor is electrically connected with the storage battery, and the control unit is electrically connected with the microwave sensor; the microwave sensor is used for detecting whether a moving object exists near the LED panel lamp or not; when the microwave sensor detects that a moving object exists, the control unit controls all the sub-switch circuits to be simultaneously conducted; when the microwave sensor does not detect the existence of a moving object, the control unit controls a part of the sub-switch circuit to be conducted.

Further, the power failure emergency module further comprises a microwave sensor, the microwave sensor is electrically connected with the storage battery, and the control unit is electrically connected with the microwave sensor; the microwave sensor is used for detecting whether a moving object exists near the LED panel lamp or not; when the microwave sensor detects that a moving object exists, the control unit controls a part of the sub-switch circuit to be conducted; when the microwave sensor does not detect the existence of the moving object, the control unit controls all the sub-switch circuits to be closed at the same time.

Further, the power failure emergency module further comprises a microwave sensor, the microwave sensor is electrically connected with the storage battery, and the control unit is electrically connected with the microwave sensor; the microwave sensor is used for detecting whether a moving object exists near the LED panel lamp or not; when the microwave sensor detects that a moving object exists, the control unit controls all the sub-switch circuits to be simultaneously conducted; when the microwave sensor does not detect the existence of the moving object, the control unit controls all the sub-switch circuits to be closed at the same time.

Further, the power failure emergency module further comprises a second switch circuit, the microwave sensor is electrically connected with the storage battery through the second switch circuit, the second switch circuit is used for connecting or disconnecting the microwave sensor and the storage battery, and the control unit is electrically connected with the second switch circuit; the control unit is used for controlling the second switching circuit to be conducted after the commercial power detection module detects that the alternating current power supply is powered off, and controlling the second switching circuit to be disconnected after the commercial power detection module detects that the alternating current power supply is powered on.

Further, the power failure emergency module further comprises an emergency indicator lamp, and the emergency indicator lamp is electrically connected with the storage battery.

Further, the power failure emergency module further comprises a third switch circuit, the emergency indicator lamp is electrically connected with the storage battery through the third switch circuit, the third switch circuit is used for connecting or disconnecting the emergency indicator lamp and the storage battery, and the control unit is electrically connected with the third switch circuit; the control unit is used for controlling the third switching circuit to be conducted after the commercial power detection module detects that the alternating current power supply is powered off, and controlling the third switching circuit to be disconnected after the commercial power detection module detects that the alternating current power supply is powered on.

Further, the power failure emergency module further comprises an electric quantity detection unit and a fourth circuit, wherein the electric quantity detection unit is electrically connected with the storage battery and is used for detecting the electric quantity of the storage battery; the rectifier is electrically connected with the storage battery through the fourth switch circuit, and the fourth switch circuit is used for connecting or disconnecting the rectifier and the storage battery; the control unit is respectively connected with the electric quantity detection unit and the fourth switch circuit in an electric signal mode; when the electric quantity detection unit detects that the electric quantity of the storage battery reaches a first preset value, the control unit controls the fourth switch circuit to be disconnected; when the electric quantity detection unit detects that the electric quantity of the storage battery is lower than a second preset value, the control unit controls the fourth switch to be turned on, wherein the first preset value is larger than the second preset value.

Further, the control unit is an MCU.

According to the LED panel lamp with the power failure emergency function, the power failure emergency module is arranged and comprises the commercial power detection module, the storage battery, the control unit, the second LED driver and the first switch circuit, wherein the commercial power detection module is used for detecting whether an alternating current power supply is powered off, and when the commercial power detection module detects that the alternating current power supply is powered off, the control unit controls the first switch circuit to be conducted so that the second LED driver is electrically connected with the LED lamp module, and therefore the storage battery is used for supplying power to the LED lamp module, and the emergency power supply function is achieved; when the alternating current power supply is electrified, the storage battery can be charged so as to supply power for the next emergency. The LED panel lamp has a power failure emergency function, and can work continuously under the condition of power failure of the commercial power, so that the normal work and life safety of a user are ensured.

Drawings

Fig. 1 is a schematic structural diagram of an LED panel lamp with a power failure emergency function in an embodiment of the present utility model.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms upper, lower, left, right, front, rear, top, bottom and the like (if any) in the description and in the claims are used for descriptive purposes and not necessarily for describing relative positions of structures in the figures and in describing relative positions of structures. It should be understood that the use of directional terms should not be construed to limit the scope of the utility model as claimed.

As shown in fig. 1, the LED panel light with the power failure emergency function provided by the embodiment of the present utility model includes a rectifier 2, a first LED driver 3, an LED light module 4, and a power failure emergency module 5; the LED lamp module 4 includes a plurality of LED lamps (not shown) for illumination. The power outage emergency module 5 comprises a mains detection module 51, a battery 52, a control unit 53, a second LED driver 54 and a first switching circuit 55.

The ac input end of the rectifier 2 is electrically connected to the ac power source 1 (i.e. the mains supply; of course, the ac power source 1 may be other power sources), and the dc output end of the rectifier 2 is electrically connected to the first LED driver 3 and the storage battery 52, respectively; the first LED driver 3 is electrically connected with the LED lamp module 4.

The storage battery 52 is electrically connected with the second LED driver 54 and the control unit 53, the second LED driver 54 is electrically connected with the LED lamp module 4 through the first switch circuit 55, the first switch circuit 55 plays a role of switching, and the first switch circuit 55 is used for connecting or disconnecting the second LED driver 54 and the LED lamp module 4. The utility power detection module 51 is electrically connected to the ac power source 1 to detect whether the ac power source 1 is powered off (i.e. detect whether the utility power is powered off). The control unit 53 is electrically connected to the mains detection module 51 and the first switching circuit 55, respectively. The control unit 53 is configured to control the first switch circuit 55 to be turned on after the commercial power detection module 51 detects that the ac power supply 1 is turned off (i.e., the commercial power is turned off), so that the second LED driver 54 is electrically connected to the LED lamp module 4, and thereby the storage battery 52 is used to supply power to the LED lamp module 4; and after the commercial power detection module 51 detects that the ac power source 1 is powered on (i.e. after the commercial power is restored), the control unit 53 controls the first switch circuit 55 to be turned off, so as to utilize the ac power source 1 to power the LED lamp module 4.

The rectifiers 2 are configured to convert ac power supplied from the ac power supply 1 into dc power to supply power to the first LED driver 3 and the battery 52 (it should be noted that the number of the rectifiers 2 may be one, and the number of the rectifiers 2 may be two to supply power to the first LED driver 3 and the battery 52 at the same time, and the number of the rectifiers 2 may be two, and the two rectifiers 2 may supply power to the first LED driver 3 and the battery 52, respectively). The first LED driver 3 and the second LED driver 54 are configured to convert an input voltage and current into a specific voltage and current to drive the LED lamp module 4 to work by emitting light (neither commercial power nor a common battery power supply is suitable for directly supplying power to the LEDs); meanwhile, since the supply of power is performed by using the commercial power (i.e., the ac power source 1) in normal operation and the supply of power is performed by using the storage battery 52 in emergency power supply, the supply voltages of the two LED drivers (i.e., the first LED driver 3 and the second LED driver 54) are different, so that the supply voltages need to be adjusted under two working conditions respectively.

Specifically, during normal operation, the ac power source 1 rectifies the current through the rectifier 2 to supply power to the first LED driver 3 and the battery 52, and at this time, the LED lamp module 4 is powered by the ac power source 1 to operate, while the battery 52 is charged. When the mains supply is powered off, the mains supply detection module 51 detects a power-off signal and transmits the power-off signal to the control unit 53, and at this time, the control unit 53 controls the first switch circuit 55 to be turned on, so that the second LED driver 54 is electrically connected with the LED lamp module 4, and the storage battery 52 is used to supply power to the LED lamp module 4.

Specifically, the LED panel light with the power failure emergency function provided in this embodiment, by setting the power failure emergency module 5, the power failure emergency module 5 includes a mains supply detection module 51, a storage battery 52, a control unit 53, a second LED driver 54 and a first switch circuit 55, where the mains supply detection module 51 is used to detect whether the ac power supply 1 is powered off, and when the mains supply detection module 51 detects that the ac power supply 1 is powered off, the control unit 53 controls the first switch circuit 55 to be turned on, so that the second LED driver 54 is electrically connected with the LED lamp module 4, and thereby the storage battery 52 is used to supply power to the LED lamp module 4, so as to implement the emergency power supply function; when the ac power source 1 is energized, the ac power source 1 can charge the battery 52 for the next emergency power supply. Meanwhile, the control unit 53 is supplied with power from the battery 52, so that the control unit 53 can always maintain an operating state. The LED panel lamp has a power failure emergency function, and can work continuously under the condition of power failure of the commercial power, so that the normal work and life safety of a user are ensured.

Further, as shown in fig. 1, in the present embodiment, the LED lamp module 4 includes a plurality of LED lamp sub-modules 41, and each LED lamp sub-module 41 includes at least one LED lamp. The first switch circuit 55 includes a plurality of sub-switch circuits 551, and the plurality of sub-switch circuits 551 are electrically connected to the second LED driver 54 (two sub-switch circuits 551 and the LED lamp sub-module 41 are shown in the figure, and actually more sub-switch circuits 551 are provided); the plurality of sub-switch circuits 551 are respectively in one-to-one correspondence with the plurality of LED lamp sub-modules 41, and each sub-switch circuit 551 is electrically connected with the corresponding LED lamp sub-module 41, that is, each sub-switch circuit 551 can control the on-off of the corresponding LED lamp sub-module 41. The control unit 53 is respectively connected with the plurality of sub-switch circuits 551 through electrical signals, and the control unit 53 can control all the sub-switch circuits 551 to be conducted simultaneously, so that all the LED lamp sub-modules 41 are turned on simultaneously, or control part of the sub-switch circuits 551 to be conducted, so that part of the LED lamp sub-modules 41 are turned on, and the LED panel lamp has a plurality of different working modes, so that different use requirements are met. For example, when the commercial power detection module 51 detects that the ac power supply 1 is powered off, the control unit 53 controls the partial sub-switch circuit 551 to be turned on, so that a part of the LED lamp sub-modules 41 are turned on, thereby saving energy consumption and prolonging the emergency use duration of the LED panel lamp on the premise of meeting the use requirement.

Further, as shown in fig. 1, in the present embodiment, the power outage emergency module 5 further includes a microwave sensor 56, the microwave sensor 56 is electrically connected to the battery 52, and the control unit 53 is electrically connected to the microwave sensor 56. The microwave sensor 56 is a sensor capable of sensing the presence of an object, and the microwave sensor 56 is used to detect whether a moving object is present in the vicinity of the LED panel light. When the commercial power detection module 51 detects that the ac power supply 1 is powered off and the microwave sensor 56 detects that a moving object exists (i.e., when a user is near the LED panel light), the control unit 53 controls all the sub-switch circuits 551 to be turned on simultaneously, so that all the LED lamp sub-modules 41 are turned on simultaneously; when the commercial power detection module 51 detects that the ac power supply 1 is powered off and the microwave sensor 56 does not detect the presence of a moving object (i.e., the user is not near the LED panel light), the control unit 53 controls the partial sub-switch circuit 551 to be turned on, so that a part of the LED lamp sub-module 41 is turned on, further saving energy consumption, and prolonging the emergency use duration of the LED panel light.

As another embodiment, the power outage emergency module 5 further includes a microwave sensor 56, the microwave sensor 56 is electrically connected to the battery 52, and the control unit 53 is electrically connected to the microwave sensor 56. When the commercial power detection module 51 detects that the alternating current power supply 1 is powered off and the microwave sensor 56 detects that a moving object exists, the control unit 53 controls the partial sub-switch circuit 551 to be conducted, so that part of the LED lamp sub-modules 41 are turned on; when the commercial power detection module 51 detects that the ac power supply 1 is powered off and the microwave sensor 56 does not detect that the moving object exists, the control unit 53 controls all the sub-switch circuits 551 to be turned off simultaneously, so that all the LED lamp sub-modules 41 are turned off simultaneously, further energy consumption is saved, and emergency use duration of the LED panel lamps is prolonged.

As another embodiment, the power outage emergency module 5 further includes a microwave sensor 56, the microwave sensor 56 is electrically connected to the battery 52, and the control unit 53 is electrically connected to the microwave sensor 56. When the commercial power detection module 51 detects that the alternating current power supply 1 is powered off and the microwave sensor 56 detects that a moving object exists, the control unit 53 controls all the sub-switch circuits 551 to be turned on simultaneously, so that all the LED lamp sub-modules 41 are turned on simultaneously; when the commercial power detection module 51 detects that the ac power supply 1 is powered off and the microwave sensor 56 does not detect that the moving object exists, the control unit 53 controls all the sub-switch circuits 551 to be turned off simultaneously, so that all the LED lamp sub-modules 41 are turned off simultaneously, further energy consumption is saved, and emergency use duration of the LED panel lamps is prolonged.

Further, as shown in fig. 1, in the present embodiment, the power outage emergency module 5 further includes a second switch circuit 561, the microwave sensor 56 is electrically connected to the battery 52 through the second switch circuit 561, the second switch circuit 561 is used for connecting or disconnecting the microwave sensor 56 and the battery 52, and the control unit 53 is electrically connected to the second switch circuit 561. The control unit 53 is configured to control the second switch circuit 561 to be turned on after the commercial power detection module 51 detects that the ac power supply 1 is turned off, so that the microwave sensor 56 is powered on and operates; and after the commercial power detection module 51 detects that the alternating current power supply 1 is electrified, the second switch circuit 561 is controlled to be disconnected, so that the microwave sensor 56 is powered off and stops working, thereby saving energy consumption and prolonging the service life of the microwave sensor 56.

Further, as shown in fig. 1, in this embodiment, the power outage emergency module 5 further includes an emergency indicator lamp 57, where the emergency indicator lamp 57 is electrically connected to the storage battery 52, and the emergency indicator lamp 57 can be turned on after power outage to remind a user that the power outage has occurred; meanwhile, when the power of the emergency indicator lamp 57 is high and the brightness is high, the emergency indicator lamp 57 can also play a role in auxiliary illumination. The power failure emergency module 5 further includes a third switch circuit 571, the emergency indicator lamp 57 is electrically connected to the battery 52 through the third switch circuit 571, and the third switch circuit 571 is used for connecting or disconnecting the emergency indicator lamp 57 to the battery 52, and the control unit 53 is electrically connected to the third switch circuit 571. The control unit 53 is configured to control the third switch circuit 571 to be turned on after the commercial power detection module 51 detects that the ac power supply 1 is turned off, so that the emergency indicator lamp 57 is turned on and operates; and after the commercial power detection module 51 detects that the ac power source 1 is powered on, the third switch circuit 571 is controlled to be turned off, so that the emergency indicator lamp 57 is powered off and stops working.

Further, as shown in fig. 1, in the present embodiment, the power outage emergency module 5 further includes a power detection unit 58 and a fourth switch circuit 581, wherein the power detection unit 58 is electrically connected to the battery 52, and the power detection unit 58 is configured to detect a power state of the battery 52. The rectifier 2 is electrically connected to the battery 52 through a fourth switching circuit 581, and the fourth switching circuit 581 is used for connecting or disconnecting the rectifier 2 and the battery 52; the control unit 53 is electrically connected to the power detection unit 58 and the fourth switch circuit 581, respectively. When the electric quantity detecting unit 58 detects that the electric quantity of the storage battery 52 reaches the first preset value, the control unit 53 controls the fourth switch circuit 581 to be turned off, so that the storage battery 52 is disconnected from the alternating-current power supply 1, and overcharge of the storage battery 52 is avoided; when the electric quantity detecting unit 58 detects that the electric quantity of the storage battery 52 is lower than the second preset value, the control unit 53 controls the fourth switch circuit 581 to be turned on so as to charge the storage battery 52 by using the alternating current power supply 1, thereby avoiding the shortage of the electric quantity of the storage battery 52; wherein the first preset value is greater than the second preset value.

For example, the first preset value is 90% and the second preset value is 40%. When the amount of electricity of the storage battery 52 reaches 90%, the control unit 53 controls the fourth switch circuit 581 to be turned off; when the amount of electricity of the storage battery 52 is less than 40%, the control unit 53 controls the fourth switch circuit 581 to be turned on.

Further, in the present embodiment, the storage battery 52 may be a rechargeable battery such as nickel-cadmium, nickel-hydrogen, lithium ion, lead storage, iron lithium, etc.

Further, in the present embodiment, the control unit 53 is an MCU (Microcontroller Unit, micro control unit).

According to the LED panel lamp with the power failure emergency function, the power failure emergency module 5 is arranged, the power failure emergency module 5 comprises the commercial power detection module 51, the storage battery 52, the control unit 53, the second LED driver 54 and the first switch circuit 55, wherein the commercial power detection module 51 is used for detecting whether the alternating current power supply 1 is powered off, when the commercial power detection module 51 detects that the alternating current power supply 1 is powered off, the control unit 53 controls the first switch circuit 55 to be conducted so as to enable the second LED driver 54 to be electrically connected with the LED lamp module 4, and therefore the storage battery 52 is used for supplying power to the LED lamp module 4, and the emergency power supply function is achieved; when the ac power source 1 is energized, the ac power source 1 can charge the battery 52 for the next emergency power supply. Meanwhile, the control unit 53 is supplied with power from the battery 52, so that the control unit 53 can always maintain an operating state. The LED panel lamp has a power failure emergency function, and can work continuously under the condition of power failure of the commercial power, so that the normal work and life safety of a user are ensured.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The LED panel light with the power failure emergency function is characterized by comprising a rectifier (2), a first LED driver (3), an LED light module (4) and a power failure emergency module (5), wherein the power failure emergency module (5) comprises a mains supply detection module (51), a storage battery (52), a control unit (53), a second LED driver (54) and a first switch circuit (55);

the alternating current input end of the rectifier (2) is used for being electrically connected with the alternating current power supply (1), and the direct current output end of the rectifier (2) is electrically connected with the first LED driver (3) and the storage battery (52) respectively; the first LED driver (3) is electrically connected with the LED lamp module (4);

the storage battery (52) is electrically connected with the second LED driver (54) and the control unit (53) respectively, the second LED driver (54) is electrically connected with the LED lamp module (4) through the first switch circuit (55), and the first switch circuit (55) is used for connecting or disconnecting the second LED driver (54) and the LED lamp module (4); the commercial power detection module (51) is used for being electrically connected with the alternating current power supply (1) so as to detect whether the alternating current power supply (1) is powered off or not; the control unit (53) is respectively connected with the commercial power detection module (51) and the first switch circuit (55) in an electric signal manner; the control unit (53) is configured to control the first switch circuit (55) to be turned on after the commercial power detection module (51) detects that the ac power supply (1) is powered off, so that the second LED driver (54) is electrically connected with the LED lamp module (4), and thereby the storage battery (52) is used to supply power to the LED lamp module (4).

2. The LED panel lamp with power outage emergency function according to claim 1, wherein said LED lamp module (4) comprises a plurality of LED lamp sub-modules (41), said first switching circuit (55) comprises a plurality of sub-switching circuits (551), a plurality of said sub-switching circuits (551) each being electrically connected with said second LED driver (54); the plurality of sub-switch circuits (551) are respectively in one-to-one correspondence with the plurality of LED lamp sub-modules (41), and each sub-switch circuit (551) is electrically connected with the corresponding LED lamp sub-module (41); the control unit (53) is respectively connected with a plurality of sub-switch circuits (551) in an electric signal mode, and the control unit (53) can control all the sub-switch circuits (551) to be conducted simultaneously so as to enable all the LED lamp sub-modules (41) to be turned on simultaneously, or control part of the sub-switch circuits (551) to be conducted so as to enable part of the LED lamp sub-modules (41) to be turned on.

3. The LED panel light with power outage emergency function according to claim 2, wherein said power outage emergency module (5) further comprises a microwave sensor (56), said microwave sensor (56) being electrically connected to said battery (52), said control unit (53) being electrically connected to said microwave sensor (56); the microwave sensor (56) is used for detecting whether a moving object exists near the LED panel lamp; when the microwave sensor (56) detects that a moving object exists, the control unit (53) controls all the sub-switch circuits (551) to be simultaneously conducted; when the microwave sensor (56) does not detect the presence of a moving object, the control unit (53) controls a part of the sub-switching circuit (551) to be turned on.

4. The LED panel light with power outage emergency function according to claim 2, wherein said power outage emergency module (5) further comprises a microwave sensor (56), said microwave sensor (56) being electrically connected to said battery (52), said control unit (53) being electrically connected to said microwave sensor (56); the microwave sensor (56) is used for detecting whether a moving object exists near the LED panel lamp; when the microwave sensor (56) detects that a moving object exists, the control unit (53) controls a part of the sub-switch circuit (551) to be conducted; when the microwave sensor (56) does not detect the presence of a moving object, the control unit (53) controls all the sub-switching circuits (551) to be turned off simultaneously.

5. The LED panel light with power outage emergency function according to claim 2, wherein said power outage emergency module (5) further comprises a microwave sensor (56), said microwave sensor (56) being electrically connected to said battery (52), said control unit (53) being electrically connected to said microwave sensor (56); the microwave sensor (56) is used for detecting whether a moving object exists near the LED panel lamp; when the microwave sensor (56) detects that a moving object exists, the control unit (53) controls all the sub-switch circuits (551) to be simultaneously conducted; when the microwave sensor (56) does not detect the presence of a moving object, the control unit (53) controls all the sub-switching circuits (551) to be turned off simultaneously.

6. The LED panel lamp with power outage emergency function according to any one of claims 3-5, wherein said power outage emergency module (5) further comprises a second switching circuit (561), said microwave sensor (56) being electrically connected to said battery (52) through said second switching circuit (561), said second switching circuit (561) being for connecting or disconnecting said microwave sensor (56) to said battery (52), said control unit (53) being electrically connected to said second switching circuit (561); the control unit (53) is configured to control the second switching circuit (561) to be turned on after the commercial power detection module (51) detects that the ac power supply (1) is turned off, and control the second switching circuit (561) to be turned off after the commercial power detection module (51) detects that the ac power supply (1) is turned on.

7. The LED panel lamp with power outage emergency function according to claim 1, wherein the power outage emergency module (5) further comprises an emergency indicator lamp (57), the emergency indicator lamp (57) being electrically connected with the battery (52).

8. The LED panel light with power outage emergency function as set forth in claim 7, wherein said power outage emergency module (5) further comprises a third switching circuit (571), said emergency indicator light (57) being electrically connected to said battery (52) through said third switching circuit (571), said third switching circuit (571) being for connecting or disconnecting said emergency indicator light (57) to said battery (52), said control unit (53) being electrically connected to said third switching circuit (571); the control unit (53) is configured to control the third switching circuit (571) to be turned on after the commercial power detection module (51) detects that the ac power supply (1) is turned off, and control the third switching circuit (571) to be turned off after the commercial power detection module (51) detects that the ac power supply (1) is turned on.

9. The LED panel light with the power outage emergency function according to claim 1, wherein the power outage emergency module (5) further comprises a power detection unit (58) and a fourth switch circuit (581), the power detection unit (58) being electrically connected to the battery (52), the power detection unit (58) being configured to detect a power of the battery (52); the rectifier (2) is electrically connected with the storage battery (52) through the fourth switch circuit (581), and the fourth switch circuit (581) is used for connecting or disconnecting the rectifier (2) and the storage battery (52); the control unit (53) is respectively connected with the electric quantity detection unit (58) and the fourth switch circuit (581) in an electric signal mode; when the electric quantity detection unit (58) detects that the electric quantity of the storage battery (52) reaches a first preset value, the control unit (53) controls the fourth switch circuit (581) to be opened; when the electric quantity detection unit (58) detects that the electric quantity of the storage battery (52) is lower than a second preset value, the control unit (53) controls the fourth switch circuit (581) to be conducted, wherein the first preset value is larger than the second preset value.

10. The LED panel light with power outage emergency function as set forth in claim 1, wherein said control unit (53) is an MCU.