Earthquake emergency alarm bulb lamp

Abstract

The utility model discloses a kind of earthquake emergency alarm bulb, it includes lamp body, lamp panel, control circuit board and power supply battery;Lamp body includes sequentially connected lamp holder, shell, connecting seat and lampshade, the end of shell near lamp holder forms multiple heat dissipation outlets, and the side wall of connecting seat forms multiple heat dissipation inlets;Lamp panel and control circuit board are set in lamp body and lamp panel and control circuit board are respectively mounted at the two ends of connecting seat;Power supply battery is installed in shell, and control circuit board is provided with the vent of the communication heat dissipation outlet and heat dissipation inlet;Control circuit board is connected with lamp holder, lamp panel and power supply battery respectively, and control circuit board is provided with three-axis acceleration sensor module.The utility model is easy to install, with earthquake alarm function, and can be used as ordinary lamp.

Description

Technical Field

[0001] This utility model relates to the field of lighting fixtures, and in particular to an earthquake emergency alarm bulb lamp. Background Technology

[0002] Existing earthquake alarm lights are generally bulky (using existing emergency lighting structures), requiring wall mounting, which is quite troublesome; moreover, they cannot be used as ordinary lights under normal circumstances.

[0003] In view of the above problems, it is necessary to study an earthquake emergency alarm bulb lamp that is easy to install, has an earthquake alarm function, and can be used as a regular lamp. Utility Model Content

[0004] The purpose of this utility model is to provide an earthquake emergency alarm bulb lamp that is easy to install, has an earthquake alarm function, and can also be used as a regular lamp.

[0005] To achieve the above objectives, the solution of this utility model is: An earthquake emergency alarm bulb includes a lamp body, a lamp board, a control circuit board, and a power supply battery. The lamp body includes a lamp head, a housing, a connecting base, and a lamp shade connected in sequence. The housing and the connecting base are hollow structures. The end of the housing near the lamp head forms multiple heat dissipation outlets, and the side wall of the connecting base forms multiple heat dissipation inlets. The lamp board and the control circuit board are disposed in the lamp body and are respectively mounted at both ends of the connecting base. The lamp board is near the lamp shade, the power supply battery is installed in the housing, and the control circuit board is near the power supply battery and has a vent connecting the heat dissipation outlets and heat dissipation inlets. The control circuit board has a main power module connecting the lamp head, the lamp board, and the power supply battery. The control circuit board also has a control module, a triaxial acceleration sensor module, and an alarm module. The control module is connected to the power supply battery, the triaxial acceleration sensor module, the alarm module, and the lamp board respectively. The triaxial acceleration sensor module is located on the side of the control circuit board away from the lamp board.

[0006] The lamp panel is equipped with a normal lighting circuit, an indicator circuit, and an emergency lighting circuit arranged in series. The main power supply module includes an AC input circuit, a normal lighting power supply circuit, and an emergency lighting power supply circuit. The two AC input terminals of the AC input circuit are connected to the two AC terminals of the lamp holder. The two AC input terminals of the normal lighting power supply circuit are respectively connected to the two AC output terminals of the AC input circuit, and the output terminal of the normal lighting power supply circuit is connected to the positive terminal of the normal lighting circuit. The normal lighting power supply circuit adopts an AC-DC conversion circuit. The emergency lighting power supply circuit includes an emergency management chip U3, resistors R3, R4, and R5, capacitors C2 and C4, and the BAT pin of the emergency management chip U3 is connected to the positive terminal of the power supply battery. The GND pin of the emergency management chip U3 is connected to the negative terminal of the power supply battery and the negative terminal of the emergency lighting circuit. The GND pin of the emergency management chip U3 is connected to ground GND2. The ACL pin and ACN pin of the emergency management chip U3 are connected to the two AC output terminals of the AC input circuit through resistors R3 and R4, respectively. The ACN pin of the emergency management chip U3 is also connected to ground GND2 through capacitor C2. The VCC pin of the emergency management chip U3 is connected to ground GND2 through capacitor C4 and is also connected to the negative terminal of the normal lighting power supply circuit and the positive terminal of the indicator circuit. The LED pin of the emergency management chip U3 is connected to the negative terminal of the indicator circuit and the positive terminal of the emergency lighting circuit through resistor R5.

[0007] The control circuit board also includes an emergency switch module and a light-off detection module; the control terminal of the emergency switch module is connected to the control module, the input terminal of the emergency switch module is connected to the positive terminal of the power supply battery, and the output terminal of the emergency switch module is connected to the positive terminal of the emergency lighting circuit; the input terminal of the light-off detection module is connected to the negative terminal of the normal lighting circuit, and the output terminal of the light-off detection module is connected to the control module.

[0008] The emergency switch module includes a MOSFET M1, a transistor Q1, resistors R6, R8, R23, and R24. The source of MOSFET M1 and the first end of resistor R23 are connected to the input terminal of the emergency switch module. The drain of MOSFET M1 is connected to the output terminal of the emergency switch module through resistor R6. The gate of MOSFET M1 and the second end of resistor R23 are connected to the collector of transistor Q1. The base of transistor Q1 is connected to the first end of resistor R24 ​​and the first end of resistor R8. The emitter of transistor Q1 and the second end of resistor R24 ​​are connected to ground GND2. The second end of resistor R8 is connected to the output terminal of the emergency switch module.

[0009] The light-off detection module includes resistor R16, resistor R17, capacitor C21, and Zener diode D2. The first end of resistor R16 is connected to the input terminal of the light-off detection module. The second end of resistor R16, the first end of resistor R17, the first end of capacitor C21, and the negative terminal of Zener diode D2 are connected to the output terminal of the light-off detection module. The second end of resistor R17, the second end of capacitor C21, and the positive terminal of Zener diode D2 are connected to ground GND2.

[0010] The control circuit board also includes a battery detection module. The input terminal of the battery detection module is connected to the positive terminal of the power supply battery, and the output terminal of the battery detection module is connected to the control module. The battery detection module includes resistors R25 and R26. The first end of resistor R25 is connected to the input terminal of the battery detection module, the second end of resistor R25 and the first end of resistor R26 are connected to the output terminal of the battery detection module, and the second end of resistor R26 is connected to ground GND2.

[0011] The alarm module includes a buzzer B1, a diode D3, a capacitor C11, a transistor Q2, resistors R9 and R10. The first terminal of the buzzer B1, the negative terminal of the diode D3, and the first terminal of the capacitor C11 are connected to the positive terminal of the power supply battery. The second terminal of the buzzer B1, the positive terminal of the diode D3, and the second terminal of the capacitor C11 are connected to the collector of the transistor Q2. The base of the transistor Q2 is connected to the first terminals of resistors R9 and R10. The emitter of the transistor Q2 and the second terminal of resistor R9 are connected to ground GND2. The second terminal of resistor R10 is connected to the control module.

[0012] The normal lighting power supply circuit includes a constant current driver chip U1, a rectifier bridge BD1, resistors R1, R2, RS1, RS2, inductors L1 and L2, and capacitors EC1 and EC2. The two AC input terminals of the rectifier bridge BD1 are connected to the two AC output terminals of the normal lighting power supply circuit. The positive output terminal of the rectifier bridge BD1 is connected to the first terminal of inductor L1. The second terminal of inductor L1, the first terminal of capacitor EC1, the VIN pin of the constant current driver chip U1, the first terminal of capacitor EC2, and the first terminal of resistor R2 are connected to the positive output terminal of the normal lighting power supply circuit. The negative output terminal of the current bridge BD1, the second terminal of capacitor EC1, the GND pin of the constant current driver chip U1, the first terminal of resistor R1, the first terminal of resistor RS1, and the first terminal of resistor RS2 are connected to ground GND3. The EN pin of the constant current driver chip U1 and the first terminal of resistor R1 are connected to the PW1 signal. The CS pin of the constant current driver chip U1 is connected to the second terminals of resistor RS1 and resistor RS2. The DRAIN pin of the constant current driver chip U1 is connected to the first terminal of inductor L2. The second terminals of inductor L2, capacitor EC2, and resistor R2 are connected to ground GND1.

[0013] The triaxial accelerometer module includes a triaxial accelerometer U4, resistors R2, R13, R14, R18, R19, and R21, and capacitors C1, C5, and C10. The SDO pin of the triaxial accelerometer U4 is connected to ground GND2 via resistor R13. The VDD pin of the triaxial accelerometer U4 is connected to ground GND2 via parallel capacitors C5 and C10. The NC1 pin of the triaxial accelerometer U4 is connected to ground GND2 via resistor R18. The INT1 and INT2 pins of the triaxial accelerometer U4 are connected to the control module. The VCC pin of the triaxial accelerometer U4 is connected to the control power supply VCC. The VCC pin of U4 is connected to ground GND2 via capacitor C1; the GND pin of the triaxial accelerometer U4 is connected to ground GND2; the CSB pin of the triaxial accelerometer U4 is connected to the first end of resistor R21 and then to the control module; the second end of resistor R21 and the first end of resistor R19 are connected to the control power supply VCC; the NC2 pin of the triaxial accelerometer U4 is connected to the second end of resistor R19; the SCL pin of the triaxial accelerometer U4 and the first end of resistor R2 are connected to the control module; the SDA pin of the triaxial accelerometer U4 and the first end of resistor R14 are connected to the control module; the second ends of resistor R2 and the second ends of resistor R14 are connected to the control power supply VCC, which is provided by the power supply battery.

[0014] The control circuit board also has a voltage regulator module. The input terminal of the voltage regulator module is connected to the positive terminal of the power supply battery, and the output terminal of the voltage regulator module outputs control power Vcc. The voltage regulator module includes a voltage regulator chip U5, a capacitor C17, and a capacitor C18. The Vin pin of the voltage regulator chip U5 and the first end of the capacitor C18 are connected to the input terminal of the voltage regulator module. The Vout pin of the voltage regulator chip U5 and the first end of the capacitor C17 are connected to the output terminal of the voltage regulator module. The GND terminal of the voltage regulator chip U5, the second end of the capacitor C18, and the second end of the capacitor C17 are connected to the ground terminal GND2.

[0015] With the above solution, the earthquake emergency alarm bulb of this utility model can be easily installed by simply connecting the lamp head to the existing lamp holder. When the light switch controlling the lamp holder's power is turned on or off, the earthquake emergency alarm bulb will light up or turn off accordingly, thus functioning as a regular lamp. Specifically, when the light switch is on, the lamp head is connected to mains power, which powers the lamp board through the mains power module, causing the lamp board to light up. Simultaneously, the mains power also charges the battery through the mains power module. When the light switch is off, the lamp head is disconnected from the mains power, the lamp board turns off, and the battery is not charged. The control module, triaxial accelerometer module, and alarm module on the control circuit board are powered by the battery. The control module uses the triaxial accelerometer module to detect the displacement and acceleration of the three axes in three-dimensional space to determine if an earthquake has occurred. When the control module detects an earthquake, it controls the alarm module to sound an alarm, thus achieving the earthquake alarm function.

[0016] Furthermore, when the light panel of the earthquake emergency alarm bulb of this utility model is lit, external air enters the space between the light panel and the control circuit board from the heat dissipation outlet of the connector, and then flows through the vent of the control circuit board to the heat dissipation outlet of the outer shell and out through the heat dissipation outlet, thereby forming a stable convection to effectively dissipate the heat of the light panel, effectively preventing the light panel from overheating and affecting the working accuracy of the triaxial acceleration sensor module; and the triaxial acceleration sensor module is located on the side of the control circuit board away from the light panel, which also prevents excessive heat from the light panel from being conducted to the triaxial acceleration sensor module and affecting the working accuracy of the triaxial acceleration sensor module. Attached Figure Description

[0017] Figure 1 This is an exploded view of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the structure of this utility model.

[0019] Figure 3 This is a cross-sectional view of the present invention.

[0020] Figure 4 This is a circuit diagram illustrating the connection principle of the lamp board, control circuit board, and power supply battery of this utility model.

[0021] Label Explanation: Lamp body 1, lamp holder 11, outer shell 12, heat dissipation outlet 121, connector 13, heat dissipation inlet 131, lamp cover 14. Lamp board 2, normal lighting circuit 21, indicator circuit 22, emergency lighting circuit 23. Control circuit board 3, vent 301, Main power module 31, AC input circuit 311, normal lighting power supply circuit 312, emergency lighting power supply circuit 313. Control module 32, Triaxial accelerometer module 33, Alarm module 34, Emergency switch module 35, Lights off detection module 36, Battery detection module 37, Regulated power supply module 38, Power supply battery 4. Detailed Implementation

[0022] To further explain the technical solution of this utility model, the following detailed description is provided through specific embodiments.

[0023] like Figures 1 to 4 As shown, this utility model discloses an earthquake emergency alarm bulb lamp, which includes a lamp body 1, a lamp board 2, a control circuit board 3, and a power supply battery 4; wherein, the lamp body 1 includes a lamp head 11, a housing 12, a connecting seat 13, and a lamp cover 14 connected in sequence. The lamp head 11, housing 12, connecting seat 13, and lamp cover 14 can be connected by snap-fit ​​connection and / or riveting. The lamp head 11 can be an existing screw-type lamp head or a bayonet-type lamp head. The housing 12 and the connecting seat 13 are both hollow structures. The end of the housing 12 near the lamp head 11 forms multiple heat dissipation outlets 121, and the side wall of the connecting seat 13 forms multiple heat dissipation inlets 131; the lamp board 2 and the control circuit board 3 are disposed inside the lamp body 1, and the lamp board 2... The control circuit board 3 is installed at both ends of the connector 13; the lamp plate 2 is adjacent to the lamp cover 14, the power supply battery 4 is installed in the housing 12, the control circuit board 3 is adjacent to the power supply battery 4 and the control circuit board 3 is provided with a vent 301 that connects the heat dissipation outlet 121 and the heat dissipation inlet 131; the control circuit board 3 is provided with a main power module 31 that connects the lamp head 11, the lamp plate 2 and the power supply battery 4, the control circuit board 3 is also provided with a control module 32, a triaxial acceleration sensor module 33 and an alarm module 34, the control module 32 is connected to the power supply battery 4, the triaxial acceleration sensor module 33, the alarm module 34 and the lamp plate 2 respectively, and the triaxial acceleration sensor module 33 is located on the side of the control circuit board 3 away from the lamp plate 2.

[0024] When using the earthquake emergency alarm bulb of this utility model, the lamp head 11 of the lamp body 1 can be directly connected to the existing lamp holder, making installation very convenient. When the light switch controlling the power supply to the lamp holder is turned on or off accordingly, the earthquake emergency alarm bulb of this utility model will light up or turn off accordingly, thus achieving the use of a regular lamp. Specifically, when the light switch is on, the lamp head 11 of the lamp body 1 is connected to the mains power supply, which supplies power to the lamp board 2 through the main power module 31, causing the lamp board 2 to light up. Simultaneously, the mains power supply also charges the power supply battery 4 through the main power module 31. At this time, the earthquake emergency alarm bulb of this utility model is in the on state. When the light switch is off, the lamp head 11 of the lamp body 1 is disconnected from the mains power supply, the lamp board 2 is off, and the power supply battery 4 is not charged. At this time, the earthquake emergency alarm bulb of this utility model is in the off state. The control module 32, the triaxial accelerometer module 33, and the alarm module 34 of the control circuit board 3 are powered by the power supply battery 4. The control module 32 detects the displacement and acceleration of the three axes in the three-dimensional space through the triaxial accelerometer module 33 to determine whether an earthquake has occurred. When the control module 32 determines that an earthquake has occurred, the control module 32 controls the alarm module 34 to sound an alarm, thereby realizing the earthquake alarm function.

[0025] Furthermore, when the lamp board 2 of the earthquake emergency alarm bulb of this utility model is lit, external air enters the space between the lamp board 2 and the control circuit board 3 through the heat dissipation outlet 121 of the connector 13, and then flows through the vent 301 of the control circuit board 3 to the heat dissipation outlet 121 of the outer casing 12 and flows out from the heat dissipation outlet 121, thereby forming a stable convection to effectively dissipate the heat of the lamp board 2, effectively preventing the lamp board 2 from overheating and affecting the working accuracy of the triaxial acceleration sensor module 33; and the triaxial acceleration sensor module 33 is located on the side of the control circuit board 3 away from the lamp board 2, which also prevents excessive heat from the lamp board 2 from being conducted to the triaxial acceleration sensor module 33 and affecting the working accuracy of the triaxial acceleration sensor module 33.

[0026] In an embodiment of this utility model, the lamp board 2 may be provided with a normal lighting circuit 21, an indicator circuit 22 and an emergency lighting circuit 23 arranged in series; the negative terminal of the emergency lighting circuit 23 can be connected to the ground terminal GND1 through a diode D4.

[0027] In an embodiment of this utility model, the main power supply module 31 includes an AC input circuit 311, a normal lighting power supply circuit 312, and an emergency lighting power supply circuit 313. The two AC input terminals of the AC input circuit 311 are connected to the two AC terminals of the lamp holder 11. The AC input circuit 311 may include a fuse F1, a resistor RD1, and a capacitor C1-1. The first end of the fuse F1 is connected to the first AC input terminal of the AC input circuit 311, and the second end of the fuse F1, the first end of the resistor RD1, and the first end of the capacitor C1-1 are connected to the first AC output of the AC input circuit 311. The second terminal of resistor RD1 and the second terminal of capacitor C1-1 are connected to the second AC input terminal and the second AC output terminal of AC input circuit 311; the two AC input terminals of normal lighting power supply circuit 312 are respectively connected to the two AC output terminals of AC input circuit 311, and the output terminal of normal lighting power supply circuit 312 is connected to the positive terminal of normal lighting circuit 21; normal lighting power supply circuit 312 adopts AC-DC conversion circuit, and normal lighting power supply circuit 312 may include constant current drive chip U1, rectifier bridge BD1, resistor R1, resistor R2, resistor RS1, resistor RS2, and capacitor... Inductor L1, inductor L2, capacitors EC1 and EC2, and constant current driver chip U1 can be a JW19985A constant current driver chip manufactured by Jiewat Microelectronics Co., Ltd. The two AC input terminals of rectifier bridge BD1 are connected to the two AC output terminals of normal lighting power supply circuit 312. The positive output terminal of rectifier bridge BD1 is connected to the first terminal of inductor L1. The second terminal of inductor L1, the first terminal of capacitor EC1, the VIN pin of constant current driver chip U1, the first terminal of capacitor EC2, and the first terminal of resistor R2 are connected to the positive output terminal of normal lighting power supply circuit 312. The negative output terminal of the current bridge BD1, the second terminal of capacitor EC1, the GND pin of the constant current driver chip U1, the first terminal of resistor R1, the first terminal of resistor RS1 and the first terminal of resistor RS2 are connected to ground GND3. The EN pin of the constant current driver chip U1 and the first terminal of resistor R1 are connected to the PW1 signal. The CS pin of the constant current driver chip U1 is connected to the second terminal of resistor RS1 and the second terminal of resistor RS2. The DRAIN pin of the constant current driver chip U1 is connected to the first terminal of inductor L2. The second terminal of inductor L2, the second terminal of capacitor EC2 and the second terminal of resistor R2 are connected to ground GND1.The emergency lighting power supply circuit 313 may include an emergency management chip U3, resistors R3, R4, and R5, capacitors C2 and C4. The emergency management chip U3 can be an M9138 emergency management chip manufactured by Shenzhen Xinmoer Semiconductor Co., Ltd. The BAT pin of the emergency management chip U3 is connected to the positive terminal of the power supply battery 4, the GND pin of the emergency management chip U3 is connected to the negative terminal of the power supply battery 4 and the negative terminal of the emergency lighting circuit 23, and the GND pin of the emergency management chip U3 is connected to ground GND2. The A pin of the emergency management chip U3... The CL and ACN pins are connected to the two AC output terminals of the AC input circuit 311 via resistors R3 and R4, respectively. The ACN pin of the emergency management chip U3 is also connected to ground GND2 via capacitor C2. The VCC pin of the emergency management chip U3 is connected to ground GND2 via capacitor C4 and is also connected to the negative terminal of the normal lighting power supply circuit 312 and the positive terminal of the indicator circuit 22. The LED pin of the emergency management chip U3 is connected to the negative terminal of the indicator circuit 22 and the positive terminal of the emergency lighting circuit 23 via resistor R5. When the light switch is turned on, the lamp head 11 of the lamp body 1 is connected to the mains power. The mains power supplies power to the normal lighting circuit 21 of the lamp board 2 through the AC input circuit 311 and the normal lighting power supply circuit 312, causing the normal lighting circuit 21 to light up. At the same time, the mains power also charges the power supply battery 4 through the AC input circuit 311 and the emergency lighting power supply circuit 313. When the power supply battery 4 is charging, the indicator circuit 22 lights up. When the light switch is turned off, the lamp head 11 of the lamp body 1 is disconnected from the mains power. At this time, the normal lighting circuit 21, the indicator circuit 22, and the emergency lighting circuit 23 of the lamp board 2 are all off, and the power supply battery 4 does not charge. When the mains power is cut off, the emergency management chip U3 of the emergency lighting power supply circuit 313 detects that neither the ACL pin nor the ACN pin is connected to power. At this time, the emergency management chip U3 controls the power supply battery 4 to supply power to the emergency lighting circuit 23, thereby causing the emergency lighting circuit 23 to light up and realize emergency lighting.

[0028] In an embodiment of this utility model, the control circuit board 3 is further provided with an emergency switch module 35 and a light-off detection module 36; the control terminal of the emergency switch module 35 is connected to the control module 32, the input terminal of the emergency switch module 35 is connected to the positive terminal of the power supply battery 4, and the output terminal of the emergency switch module 35 is connected to the positive terminal of the emergency lighting circuit 23; the input terminal of the light-off detection module 36 is connected to the negative terminal of the normal lighting circuit 21, and the output terminal of the light-off detection module 36 is connected to the control module 32; when the control module 32 determines that an earthquake has occurred, the control module 32 controls the alarm module 34 to sound an alarm, and at the same time, the control module 32 also detects whether the earthquake emergency alarm bulb of this utility model is in the off state through the light-off detection module 36. If the earthquake emergency alarm bulb of this utility model is in the off state, the control module 32 controls the emergency switch module 35 to conduct, so that the power supply battery 4 supplies power to the emergency lighting circuit 23, thereby making the emergency lighting circuit 23 light up and realizing emergency lighting. The emergency switch module 35 may include a MOSFET M1, a transistor Q1, resistors R6, R8, R23, and R24. The source of MOSFET M1 and the first end of resistor R23 are connected to the input terminal of the emergency switch module 35. The drain of MOSFET M1 is connected to the output terminal of the emergency switch module 35 through resistor R6. Resistor R6 may be connected in parallel with resistor R7. The gate of MOSFET M1 and the second end of resistor R23 are connected to the collector of transistor Q1. The base of transistor Q1 is connected to the first end of resistor R24 ​​and the first end of resistor R8. The emitter of transistor Q1 and the second end of resistor R24 ​​are connected to ground GND2. The second end of resistor R8 is connected to the output terminal of the emergency switch module 35. When the control module 32 inputs a high-level signal to the control terminal of the emergency switch module 35, the emergency switch module 35 is turned on; when the control module 32 inputs a low-level signal to the control terminal of the emergency switch module 35, the emergency switch module 35 is turned off. The light-off detection module 36 includes resistors R16 and R17, capacitor C21, and Zener diode D2. The first end of resistor R16 is connected to the input terminal of the light-off detection module 36. The second end of resistor R16, the first end of resistor R17, the first end of capacitor C21, and the negative terminal of Zener diode D2 are connected to the output terminal of the light-off detection module 36. The second end of resistor R17, the second end of capacitor C21, and the positive terminal of Zener diode D2 are connected to ground GND2. When the earthquake emergency alarm bulb of this invention is in the off state, the light-off detection module 36 does not output a signal to the control module 32. When the earthquake emergency alarm bulb of this invention is in the on state, the light-off detection module 36 outputs a high-level signal to the control module 32.

[0029] In an embodiment of this utility model, the control circuit board 3 is further provided with a battery detection module 37. The input terminal of the battery detection module 37 is connected to the positive terminal of the power supply battery 4, and the output terminal of the battery detection module 37 is connected to the control module 32. The battery detection module 37 includes a resistor R25 and a resistor R26. The first end of the resistor R25 is connected to the input terminal of the battery detection module 37, and the second end of the resistor R25 and the first end of the resistor R26 are connected to the output terminal of the battery detection module 37. The second end of the resistor R26 is connected to the ground terminal GND2. The control module 32 detects the voltage of the power supply battery 4 through the battery detection module 37. If the power supply battery 4 is in an undervoltage state, when the control module 32 determines that an earthquake has occurred and the earthquake emergency alarm bulb of this utility model is in the off state, the control module 32 controls the emergency lighting circuit 23 to light up and controls the alarm module 34 to not alarm, thereby ensuring the emergency lighting function.

[0030] In an embodiment of this utility model, the alarm module 34 may include a buzzer B1, a diode D3, a capacitor C11, a transistor Q2, a resistor R9, and a resistor R10. The first terminal of the buzzer B1, the negative terminal of the diode D3, and the first terminal of the capacitor C11 are connected to the positive terminal of the power supply battery 4. The second terminal of the buzzer B1, the positive terminal of the diode D3, and the second terminal of the capacitor C11 are connected to the collector of the transistor Q2. The base of the transistor Q2 is connected to the first terminals of the resistors R9 and R10. The emitter of the transistor Q2 and the second terminal of the resistor R9 are connected to ground GND2. The second terminal of the resistor R10 is connected to the control module 32. When the control module 32 outputs a high-level signal to input a high-level signal to the second terminal of the resistor R10, the transistor Q2 is turned on, which powers on the buzzer B1 to perform the alarm.

[0031] In this embodiment of the present invention, the triaxial accelerometer module 33 includes a triaxial accelerometer U4, resistors R2, R13, R14, R18, R19, and R21, and capacitors C1, C5, and C10. The SDO pin of the triaxial accelerometer U4 is connected to ground GND2 via resistor R13; the VDD pin of the triaxial accelerometer U4 is connected to ground GND2 via parallel capacitors C5 and C10; the NC1 pin of the triaxial accelerometer U4 is connected to ground GND2 via resistor R18; the INT1 and INT2 pins of the triaxial accelerometer U4 are respectively connected to the control module 32; and the VCC pin of the triaxial accelerometer U4 is connected to the control power supply VCC and the triaxial accelerometer is activated. The VCC pin of the accelerometer U4 is connected to ground GND2 via capacitor C1; the GND pin of the triaxial accelerometer U4 is connected to ground GND2; the CSB pin of the triaxial accelerometer U4 is connected to the first end of resistor R21 and then to control module 32; the second end of resistor R21 and the first end of resistor R19 are connected to control power supply VCC; the NC2 pin of the triaxial accelerometer U4 is connected to the second end of resistor R19; the SCL pin of the triaxial accelerometer U4 and the first end of resistor R2 are connected to control module 32; the SDA pin of the triaxial accelerometer U4 and the first end of resistor R14 are connected to control module 32; the second ends of resistor R2 and the second end of resistor R14 are connected to control power supply VCC, which is provided by power supply battery 4.

[0032] In an embodiment of this utility model, the control circuit board 3 further includes a voltage regulator module 38. The input terminal of the voltage regulator module 38 is connected to the positive terminal of the power supply battery 4, and the output terminal of the voltage regulator module 38 outputs control power Vcc. Specifically, the voltage regulator module 38 may include a voltage regulator chip U5, a capacitor C17, and a capacitor C18. The Vin pin of the voltage regulator chip U5 and the first end of the capacitor C18 are connected to the input terminal of the voltage regulator module 38, the Vout pin of the voltage regulator chip U5 and the first end of the capacitor C17 are connected to the output terminal of the voltage regulator module 38, and the GND terminal of the voltage regulator chip U5, the second end of the capacitor C18, and the second end of the capacitor C17 are connected to the ground terminal GND2.

[0033] The above embodiments and figures are not intended to limit the product form and style of this utility model. Any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of this utility model.

Claims

1. An earthquake emergency alarm bulb, characterized in that: Includes the lamp body, lamp panel, control circuit board, and power supply battery; The lamp body includes a lamp head, a housing, a connector, and a lamp shade connected in sequence. The housing and the connector are both hollow structures. The end of the housing near the lamp head forms multiple heat dissipation outlets, and the side wall of the connector forms multiple heat dissipation inlets. The lamp panel and control circuit board are housed within the lamp body, and are respectively mounted on both ends of the connector. The lamp panel is adjacent to the lamp cover, the power supply battery is installed in the housing, the control circuit board is adjacent to the power supply battery, and the control circuit board has a vent connecting the heat dissipation outlet and the heat dissipation inlet. The control circuit board has a main power module connecting the lamp head, the lamp panel, and the power supply battery. The control circuit board also has a control module, a triaxial acceleration sensor module, and an alarm module. The control module is connected to the power supply battery, the triaxial acceleration sensor module, the alarm module, and the lamp panel respectively. The triaxial acceleration sensor module is located on the side of the control circuit board away from the lamp panel.

2. The earthquake emergency alarm bulb lamp as described in claim 1, characterized in that: The lamp panel is equipped with a normal lighting circuit, an indicator circuit, and an emergency lighting circuit arranged in series. The main power module includes an AC input circuit, a normal lighting power circuit, and an emergency lighting power circuit. The two AC input terminals of the AC input circuit are connected to the two AC terminals of the lamp holder. The two AC input terminals of the normal lighting power circuit are respectively connected to the two AC output terminals of the AC input circuit, and the output terminal of the normal lighting power circuit is connected to the positive terminal of the normal lighting circuit. The normal lighting power circuit uses an AC-DC conversion circuit. The emergency lighting power circuit includes an emergency management chip U3, resistors R3, R4, and R5, capacitors C2 and C4. The BAT pin of the emergency management chip U3 is connected to the positive terminal of the power supply battery, and the GND pin of the emergency management chip U3 is connected to... The negative terminal of the power supply battery and the negative terminal of the emergency lighting circuit are connected. The GND pin of the emergency management chip U3 is connected to ground GND2. The ACL and ACN pins of the emergency management chip U3 are connected to the two AC output terminals of the AC input circuit through resistors R3 and R4, respectively. The ACN pin of the emergency management chip U3 is also connected to ground GND2 through capacitor C2. The VCC pin of the emergency management chip U3 is connected to ground GND2 through capacitor C4 and is also connected to the negative terminal of the normal lighting power supply circuit and the positive terminal of the indicator circuit. The LED pin of the emergency management chip U3 is connected to the negative terminal of the indicator circuit and the positive terminal of the emergency lighting circuit through resistor R5.

3. The earthquake emergency alarm bulb lamp as described in claim 2, characterized in that: The control circuit board also includes an emergency switch module and a light-off detection module; the control terminal of the emergency switch module is connected to the control module, the input terminal of the emergency switch module is connected to the positive terminal of the power supply battery, and the output terminal of the emergency switch module is connected to the positive terminal of the emergency lighting circuit; the input terminal of the light-off detection module is connected to the negative terminal of the normal lighting circuit, and the output terminal of the light-off detection module is connected to the control module.

4. The earthquake emergency alarm bulb lamp as described in claim 3, characterized in that: The emergency switch module includes a MOSFET M1, a transistor Q1, resistors R6, R8, R23, and R24. The source of MOSFET M1 and the first end of resistor R23 are connected to the input terminal of the emergency switch module. The drain of MOSFET M1 is connected to the output terminal of the emergency switch module through resistor R6. The gate of MOSFET M1 and the second end of resistor R23 are connected to the collector of transistor Q1. The base of transistor Q1 is connected to the first end of resistor R24 ​​and the first end of resistor R8. The emitter of transistor Q1 and the second end of resistor R24 ​​are connected to ground GND2. The second end of resistor R8 is connected to the output terminal of the emergency switch module.

5. The earthquake emergency alarm bulb lamp as described in claim 3, characterized in that: The light-off detection module includes resistor R16, resistor R17, capacitor C21, and Zener diode D2. The first end of resistor R16 is connected to the input terminal of the light-off detection module. The second end of resistor R16, the first end of resistor R17, the first end of capacitor C21, and the negative terminal of Zener diode D2 are connected to the output terminal of the light-off detection module. The second end of resistor R17, the second end of capacitor C21, and the positive terminal of Zener diode D2 are connected to ground GND2.

6. The earthquake emergency alarm bulb lamp as described in claim 3, characterized in that: The control circuit board also includes a battery detection module. The input terminal of the battery detection module is connected to the positive terminal of the power supply battery, and the output terminal of the battery detection module is connected to the control module. The battery detection module includes resistors R25 and R26. The first end of resistor R25 is connected to the input terminal of the battery detection module, the second end of resistor R25 and the first end of resistor R26 are connected to the output terminal of the battery detection module, and the second end of resistor R26 is connected to ground GND2.

7. The earthquake emergency alarm bulb lamp as described in claim 1 or 3, characterized in that: The alarm module includes a buzzer B1, a diode D3, a capacitor C11, a transistor Q2, resistors R9 and R10. The first terminal of the buzzer B1, the negative terminal of the diode D3, and the first terminal of the capacitor C11 are connected to the positive terminal of the power supply battery. The second terminal of the buzzer B1, the positive terminal of the diode D3, and the second terminal of the capacitor C11 are connected to the collector of the transistor Q2. The base of the transistor Q2 is connected to the first terminals of resistors R9 and R10. The emitter of the transistor Q2 and the second terminal of resistor R9 are connected to ground GND2. The second terminal of resistor R10 is connected to the control module.

8. The earthquake emergency alarm bulb lamp as described in claim 2, characterized in that: The normal lighting power supply circuit includes a constant current drive chip U1, a rectifier bridge BD1, resistors R1, R2, RS1, RS2, inductors L1 and L2, capacitors EC1 and EC2. The two AC input terminals of rectifier bridge BD1 are connected to the two AC output terminals of the normal lighting power supply circuit. The positive output terminal of rectifier bridge BD1 is connected to the first terminal of inductor L1. The second terminal of inductor L1, the first terminal of capacitor EC1, the VIN pin of constant current driver chip U1, the first terminal of capacitor EC2, and the first terminal of resistor R2 are connected to the positive output terminal of the normal lighting power supply circuit. The negative output terminal of rectifier bridge BD1, the second terminal of capacitor EC1, the GND pin of constant current driver chip U1, the first terminal of resistor R1, the first terminal of resistor RS1, and the first terminal of resistor RS2 are connected to ground GND3. The EN pin of constant current driver chip U1 and the first terminal of resistor R1 are connected to the PW1 signal. The CS pin of constant current driver chip U1 is connected to the second terminal of resistor RS1 and the second terminal of resistor RS2. The DRAIN pin of constant current driver chip U1 is connected to the first terminal of inductor L2. The second terminal of inductor L2, the second terminal of capacitor EC2, and the second terminal of resistor R2 are connected to ground GND1.

9. The earthquake emergency alarm bulb lamp as described in claim 1, characterized in that: The triaxial accelerometer module includes a triaxial accelerometer U4, resistors R2, R13, R14, R18, R19, R21, capacitors C1, C5, and C10. The SDO pin of the triaxial accelerometer U4 is connected to ground GND2 via resistor R13. The VDD pin is also connected to ground GND2 via parallel capacitors C5 and C10. The NC1 pin is connected to ground GND2 via resistor R18. The INT1 and INT2 pins are connected to the control module. The VCC pin is connected to the control power supply VCC and is also connected to ground GND2 via capacitor C1. The GND pin of the triaxial accelerometer U4 is connected to... The ground terminal GND2, the CSB pin of the triaxial accelerometer U4, and the first end of resistor R21 are connected to the control module. The second end of resistor R21 and the first end of resistor R19 are connected to the control power supply VCC. The NC2 pin of the triaxial accelerometer U4 is connected to the second end of resistor R19. The SCL pin of the triaxial accelerometer U4 and the first end of resistor R2 are connected to the control module. The SDA pin of the triaxial accelerometer U4 and the first end of resistor R14 are connected to the control module. The second end of resistor R2 and the second end of resistor R14 are connected to the control power supply VCC, which is provided by the power supply battery.

10. The earthquake emergency alarm bulb lamp as described in claim 9, characterized in that: The control circuit board also has a voltage regulator module. The input terminal of the voltage regulator module is connected to the positive terminal of the power supply battery, and the output terminal of the voltage regulator module outputs control power Vcc. The voltage regulator module includes a voltage regulator chip U5, a capacitor C17, and a capacitor C18. The Vin pin of the voltage regulator chip U5 and the first end of the capacitor C18 are connected to the input terminal of the voltage regulator module. The Vout pin of the voltage regulator chip U5 and the first end of the capacitor C17 are connected to the output terminal of the voltage regulator module. The GND terminal of the voltage regulator chip U5, the second end of the capacitor C18, and the second end of the capacitor C17 are connected to the ground terminal GND2.

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