CN219395097U

CN219395097U - Lamp control circuit and emergency lamp

Info

Publication number: CN219395097U
Application number: CN202223148627.0U
Authority: CN
Inventors: 叶兵; 刘江; 杨海全
Original assignee: Zhaoqing Yingyou Lighting Technology Co ltd
Current assignee: Zhaoqing Yingyou Lighting Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-07-21
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a lamp control circuit and an emergency lamp, which comprise a mains supply conversion module, wherein the input end of the mains supply conversion module is connected with mains supply, and the output end of the mains supply conversion module outputs power supply voltage; the device comprises a main control module and a battery module, wherein the main control module comprises a power supply end and a charging end, one end of the battery module is electrically connected with the charging end of the main control module, and the other end of the battery module is grounded; the filtering synergy module comprises a COMS boosting DC/DC controller U1 and an inductor L1, one end of the inductor L1 is electrically connected with the output end of the mains supply conversion module, the other end of the inductor L1 is electrically connected with the input end of the COMS boosting DC/DC controller U1, and the output end of the COMS boosting DC/DC controller U1 is electrically connected with the power supply end of the main control module; the COMS boosting DC/DC controller U1 in the filtering synergistic module can enable the power supply voltage of the main control module to obtain low output ripple and high efficiency in a large range, can be matched with various loads, and ensures the stability of a lamp control circuit.

Description

Lamp control circuit and emergency lamp

Technical Field

The utility model relates to the technical field of lamp control, in particular to a lamp control circuit and a emergency lamp.

Background

The emergency lamp is a general name of a lamp for emergency illumination, and is used for automatically starting illumination to guide people to evacuate after a normal illumination power supply is cut off; the control circuit of the emergency lamp generally comprises a mains supply conversion module and a main control module, wherein the mains supply conversion module is used for converting 220V alternating current mains supply into a plurality of direct current voltages, such as 5V or 3.7V power supply voltage, so as to supply power for the main control module; the main control module is electrically connected with the lamp source load, the output currents corresponding to different loads are different, and the output ripple and the efficiency of the power supply voltage of the main control module can be influenced by the different output currents; however, in the lamp control circuit of the existing emergency lamp, the power supply voltage of the main control module is directly supplied by the mains supply conversion module, so that different loads have influence on the output ripple and the output efficiency of the power supply voltage.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provide a lamp control circuit and an emergency lamp which can enable the power supply voltage of a main control module to obtain low output ripple and high efficiency in a large range.

According to an embodiment of the utility model, a lamp control circuit includes: the input end of the commercial power conversion module is connected with commercial power, and the output end of the commercial power conversion module outputs power supply voltage; the device comprises a main control module and a battery module, wherein the main control module comprises a power supply end and a charging end, one end of the battery module is electrically connected with the charging end of the main control module, and the other end of the battery module is grounded; the filtering synergy module comprises a COMS boosting DC/DC controller U1 and an inductor L1, one end of the inductor L1 is electrically connected with the output end of the mains supply conversion module, the other end of the inductor L1 is electrically connected with the input end of the COMS boosting DC/DC controller U1, and the output end of the COMS boosting DC/DC controller U1 is electrically connected with the power supply end of the main control module.

The lamp control circuit provided by the embodiment of the utility model has at least the following beneficial effects: the COMS boosting DC/DC controller U1 in the filtering synergistic module can enable the power supply voltage of the main control module to obtain low output ripple and high efficiency in a large range, can be matched with various loads, and ensures the stability of a lamp control circuit.

According to the emergency lamp provided by the embodiment of the utility model, the main control module comprises the emergency lamp chip U1, the emergency lamp chip U1 comprises a VDD pin and a relay pin which plays a role of a switch, the power supply end of the main control module is the VDD pin of the emergency lamp chip U1, the filtering and boosting module comprises a triode Q1, a resistor R1 and a resistor R2, one end of the resistor R1 is electrically connected with the relay pin of the emergency lamp chip U1, the other end of the resistor R1 is electrically connected with the base electrode of the triode Q1 and one end of the resistor R2 respectively, the collector electrode of the triode Q1 is electrically connected with the output end of the COMS boosting DC/DC controller U1 respectively, and the emitter electrode of the triode Q1 and the other end of the resistor R2 are grounded respectively.

According to the emergency lamp provided by the embodiment of the utility model, the emergency lamp further comprises a charging protection module, the charging protection module comprises a charging chip U2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a triode Q2 and a triode Q3, the emergency lamp chip U1 comprises a B+ pin electrically connected with the battery module, the charging end of the main control module is the B+ pin of the emergency lamp chip U1, one end of the resistor R3 is electrically connected with the B+ pin of the emergency lamp chip U1, the other end of the resistor R3 is electrically connected with one end of the resistor R4 and the base of the triode Q2 respectively, the collector of the triode Q2 is electrically connected with the base of the triode Q3 and one end of the resistor R6 respectively through a series resistor R5, the other end of the resistor R6 and the collector of the triode Q3 are electrically connected with the output end of the commercial power conversion module respectively, the emitter of the triode Q3 is electrically connected with the VCC pin of the charging chip U2 and one end of the resistor R8 respectively through a series resistor R7, and the other end of the resistor R8 is electrically connected with the BAT pin of the charging chip U2 respectively.

According to the emergency lamp provided by the embodiment of the utility model, the emergency lamp further comprises an AC detection module, the emergency lamp chip U1 comprises an AC-CHACK pin for detecting current, the AC detection module comprises a resistor R9, a resistor R10 and a capacitor C1, one end of the resistor R9 and one end of the resistor R10 are respectively and electrically connected with the AC-CHACK pin of the emergency lamp chip U1, the other end of the resistor R9 is respectively and electrically connected with one end of the mains supply conversion module and one end of the capacitor C1, and the other end of the resistor R10 and the other end of the capacitor C1 are respectively grounded.

According to the emergency lamp provided by the embodiment of the utility model, the main control module comprises a driving unit 21, the emergency lamp chip U1 comprises PWM pins, the driving unit 21 comprises a triode Q4, a triode Q5, a triode Q6, a resistor R11, a resistor R12, a resistor R13, a resistor R14 and an optocoupler U3, the PWM pins of the emergency lamp chip U1 are electrically connected with the base electrode of the triode Q4 through a series resistor R11, the collector electrode of the triode Q4 is electrically connected with the base electrode of the triode Q5 through a series resistor R1, the emitter electrode of the triode Q4 is grounded, the collector electrode of the triode Q5 is respectively electrically connected with an external lamp source and one end of the resistor R13, the other end of the resistor R13 is electrically connected with the collector electrode of the triode Q6, the base electrode of the triode Q6 is electrically connected with the output end of the optocoupler U3 through a series resistor R14, and the input end of the optocoupler U3 is electrically connected with the input end of the commercial power conversion module.

According to the emergency lamp provided by the embodiment of the utility model, the main control module comprises an overload idle unit, the emergency lamp chip U1 comprises an idle pin and an overload pin, the overload idle unit comprises a resistor R15, a resistor R16, a resistor R17 and a resistor R18, one end of the R16 is electrically connected with the positive electrode of an external power supply, the other end of the R16 is respectively electrically connected with the idle pin of the emergency lamp chip U1 and one end of the resistor R17, the overload pin of the emergency lamp chip U1 is respectively electrically connected with the negative electrode of the external power supply and one end of the resistor R18 through a series resistor R15, and the other end of the resistor R17 and the other end of the resistor R18 are respectively grounded.

The utility model provides an emergency light, includes lamp control circuit, lamp source and lamp body as above, be equipped with on the lamp body and be used for the installation the mounting hole of lamp source, the lamp source sets up in the mounting hole, the lamp control circuit sets up inside the lamp body, the lamp source with the lamp control circuit electricity is connected.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The following describes the embodiments of the present utility model further with reference to the drawings;

FIG. 1 is a circuit block diagram of a lamp control circuit;

FIG. 2 is a circuit block diagram of a lamp control circuit;

fig. 3 is a structural view of the emergency lamp.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Referring to fig. 1 to 3, a lamp control circuit according to an embodiment of the present utility model includes a mains supply conversion module 10, a main control module 20, a battery module 30, and a filter synergy module 40, wherein an input end of the mains supply conversion module 10 is connected with a mains supply, and an output end of the mains supply conversion module 10 outputs a supply voltage; the main control module 20 comprises a power supply end and a charging end, one end of the battery module 30 is electrically connected with the charging end of the main control module 20, and the other end of the battery module 30 is grounded; the filtering synergy module 40 comprises a COMS boosting DC/DC controller U1 and an inductor L1, wherein the COMS boosting DC/DC controller U1 can adopt a CE8301 chip, one end of the inductor L1 is electrically connected with the output end of the mains supply conversion module 10, the other end of the inductor L1 is electrically connected with the input end of the CE8301 chip, and the output end of the CE8301 chip is electrically connected with the power supply end of the main control module 20; the CE8301 chip in the filtering synergy module 40 can enable the power supply voltage of the main control module 20 to obtain low output ripple and high efficiency in a large range, can be matched with various loads, and ensures the stability of the lamp control circuit.

In some embodiments, the main control module 20 includes an emergency light chip U1, the emergency light chip U1 may employ a YTE1809 chip, the YTE1809 chip includes a VDD pin and a relay pin that plays a role of a switch, the power supply end of the main control module 20 is the VDD pin of the YTE1809 chip, the filter synergy module 40 includes a triode Q1, a resistor R1 and a resistor R2, one end of the resistor R1 is electrically connected to the relay pin of the emergency light chip U1, the other end of the resistor R1 is electrically connected to a base of the triode Q1 and one end of the resistor R2, a collector of the triode Q1 is electrically connected to an output end of the COMS boost DC/DC controller U1, and an emitter of the triode Q1 and the other end of the resistor R2 are grounded; when the commercial power is abnormal, the relay pin of the emergency lamp chip U1 outputs a closing signal to enable the COMS boosting DC/DC controller U1 to be incapable of working, so that the output end of the commercial power conversion module is prevented from outputting an abnormal voltage signal to the main control module; when the mains supply is normal, a relay pin of the emergency lamp chip U1 outputs a conduction signal to enable the COMS boosting DC/DC controller U1 to work normally, so that the power supply voltage output by the mains supply conversion module is filtered and improved, and the stability of the lamp control circuit is ensured.

In some embodiments, the emergency lamp chip U1 further includes an AC detection module 60, the AC detection module 60 includes a resistor R9, a resistor R10, and a capacitor C1, one end of the resistor R9 and one end of the resistor R10 are respectively electrically connected to the AC detection module 60, the other end of the resistor R9 is respectively electrically connected to the mains supply conversion module 10 and one end of the capacitor C1, and the other end of the resistor R10 and the other end of the capacitor C1 are respectively grounded; when the mains supply is disconnected, the AC-CHACK pin detects a low level, and the YTE1809 chip controls the battery module 30 to discharge; when the mains supply is normal, the AC-dock pin detects a high level and the YTE1809 chip controls the charging of the battery module 30.

In some embodiments, the battery charger further comprises a charging protection module 50, the charging protection module 50 comprises a charging chip U2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a triode Q2 and a triode Q3, the charging chip U2 can adopt a BM4054 chip, and the battery module 30 can adopt a lithium battery; the YTE1809 chip comprises a B+ pin electrically connected with the battery module 30, the charging end of the main control module 20 is the B+ pin of the YTE1809 chip, one end of a resistor R3 is electrically connected with the B+ pin of the YTE1809 chip, the other end of the resistor R3 is respectively electrically connected with one end of a resistor R4 and the base of a triode Q2, the collector of the triode Q2 is respectively electrically connected with the base of the triode Q3 and one end of a resistor R6 through a series resistor R5, the other end of the resistor R6 and the collector of the triode Q3 are respectively electrically connected with the output end of the commercial power conversion module 10, the emitter of the triode Q3 is respectively electrically connected with the VCC pin of the BM4054 chip and one end of a resistor R8 through a series resistor R7, and the other end of the resistor R8 is electrically connected with the BAT pin of the BM4054 chip; when the BTV-CHACK pin of the YTE1809 chip detects that the battery partial pressure ratio is higher than a set value, the BM4054 chip turns off the triode Q2, and the battery module 30 stops charging; when the product is in emergency discharge, the product stops discharging when the BTV-CHACK pin of the YTE1809 chip detects that the battery voltage is lower than a set value.

In some embodiments, the main control module 20 includes a driving unit 21, the emergency lamp chip U1 includes a PWM pin, the driving unit 21 includes a triode Q4, a triode Q5, a triode Q6, a resistor R11, a resistor R12, a resistor R13, a resistor R14 and an optocoupler U3, the PWM pin of the emergency lamp chip U1 is electrically connected with a base of the triode Q4 through a series resistor R11, a collector of the triode Q4 is electrically connected with the base of the triode Q5 through a series resistor R1, an emitter of the triode Q4 is grounded, a collector of the triode Q5 is electrically connected with one end of an external light source 70 and one end of the resistor R13, the other end of the resistor R13 is electrically connected with a collector of the triode Q6, the base of the triode Q6 is electrically connected with an output end of the optocoupler U3 through a series resistor R14, and an input end of the optocoupler U3 is electrically connected with an input end of the mains supply conversion module 10; when the external light source switch is ON, the optocoupler U3 drives the Q6 to be conducted and shows that the AC light is ON, and when the external light source switch is OFF, the AC loop is disconnected, the Q6 is closed, and the AC light is not ON.

In some embodiments, the main control module 20 includes an overload idle unit 22, the emergency lamp chip U1 includes an idle pin and an overload pin, the overload idle unit 22 includes a resistor R15, a resistor R16, a resistor R17 and a resistor R18, one end of the resistor R16 is electrically connected with an anode of an external power source, the other end of the resistor R16 is electrically connected with the idle pin of the emergency lamp chip U1 and one end of the resistor R17, the overload pin of the emergency lamp chip U1 is electrically connected with a cathode of an external power source and one end of the resistor R18 respectively through a series resistor R15, and the other end of the resistor R17 and the other end of the resistor R18 are grounded respectively.

The emergency lamp comprises the lamp control circuit, the lamp source 70 and the lamp housing 80, wherein a mounting hole for mounting the lamp source 70 is formed in the lamp housing 80, the lamp source 70 is arranged in the mounting hole, the lamp control circuit is arranged inside the lamp housing 80, and the lamp source 70 is electrically connected with the lamp control circuit.

It will be readily appreciated by those skilled in the art that the above preferred modes can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A lamp control circuit, comprising:

the power supply conversion device comprises a mains supply conversion module (10), wherein the input end of the mains supply conversion module (10) is connected with mains supply, and the output end of the mains supply conversion module (10) outputs power supply voltage;

the device comprises a main control module (20) and a battery module (30), wherein the main control module (20) comprises a power supply end and a charging end, one end of the battery module (30) is electrically connected with the charging end of the main control module (20), and the other end of the battery module (30) is grounded;

the filtering synergy module (40) comprises a COMS boosting DC/DC controller U1 and an inductor L1, one end of the inductor L1 is electrically connected with the output end of the mains supply conversion module (10), the other end of the inductor L1 is electrically connected with the input end of the COMS boosting DC/DC controller U1, and the output end of the COMS boosting DC/DC controller U1 is electrically connected with the power supply end of the main control module (20).

2. The lamp control circuit of claim 1, wherein: the main control module (20) comprises an emergency lamp chip U1, the emergency lamp chip U1 comprises a VDD pin and a relay pin which plays a role of a switch, the power supply end of the main control module (20) is the VDD pin of the emergency lamp chip U1, the filtering synergy module (40) comprises a triode Q1, a resistor R1 and a resistor R2, one end of the resistor R1 is electrically connected with the relay pin of the emergency lamp chip U1, the other end of the resistor R1 is electrically connected with the base electrode of the triode Q1 and one end of the resistor R2 respectively, the collector electrode of the triode Q1 is electrically connected with the output end of the COMS boosting DC/DC controller U1 respectively, and the emitter electrode of the triode Q1 and the other end of the resistor R2 are grounded respectively.

3. The lamp control circuit of claim 2, wherein: still including charging protection module (50), charging protection module (50) including chip U2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, triode Q2 and triode Q3 charge, emergency light chip U1 include with battery module (30) electricity is connected's B+ pin, the charging end of main control module (20) is emergency light chip U1's B+ pin, the one end of resistance R3 is connected with emergency light chip U1's B+ pin electricity, resistance R3's the other end is connected with resistance R4's one end and triode Q2's base electricity respectively, triode Q2's collecting electrode is connected with triode Q3's base and resistance R6's one end electricity respectively through concatenating resistance R5, triode Q3's the other end and triode Q3's collecting electrode respectively with the output electricity of commercial power conversion module (10), triode Q3's projecting pole is connected with chip U2's VCC pin and resistance R8's one end electricity respectively through concatenating resistance R7, resistance R8's the other end is connected with chip U2's electricity that charges.

4. The lamp control circuit of claim 2, wherein: the emergency lamp chip U1 comprises an AC-CHACK pin for detecting current, the AC detection module (60) comprises a resistor R9, a resistor R10 and a capacitor C1, one end of the resistor R9 and one end of the resistor R10 are respectively electrically connected with the AC-CHACK pin of the emergency lamp chip U1, the other end of the resistor R9 is respectively electrically connected with one ends of the mains supply conversion module (10) and the capacitor C1, and the other end of the resistor R10 and the other end of the capacitor C1 are respectively grounded.

5. The lamp control circuit of claim 2, wherein: the main control module (20) comprises a driving unit (21), the emergency lamp chip U1 comprises PWM pins, the driving unit (21) comprises a triode Q4, a triode Q5, a triode Q6, a resistor R11, a resistor R12, a resistor R13, a resistor R14 and an optocoupler U3, the PWM pins of the emergency lamp chip U1 are electrically connected with the base electrode of the triode Q4 through a series resistor R11, the collector electrode of the triode Q4 is electrically connected with the base electrode of the triode Q5 through a series resistor R1, the emitter electrode of the triode Q4 is grounded, the collector electrode of the triode Q5 is electrically connected with one end of an external lamp source (70) and one end of a resistor R13 respectively, the other end of the resistor R13 is electrically connected with the collector electrode of the triode Q6, the base electrode of the triode Q6 is electrically connected with the output end of the optocoupler U3 through a series resistor R14, and the input end of the optocoupler U3 is electrically connected with the input end of the commercial power conversion module (10).

6. The lamp control circuit of claim 2, wherein: the main control module (20) comprises an overload no-load unit (22), the emergency lamp chip U1 comprises no-load pins and overload pins, the overload no-load unit (22) comprises a resistor R15, a resistor R16, a resistor R17 and a resistor R18, one end of the resistor R16 is electrically connected with the positive electrode of an external power supply, the other end of the resistor R16 is electrically connected with the no-load pins of the emergency lamp chip U1 and one end of the resistor R17 respectively, the overload pins of the emergency lamp chip U1 are electrically connected with the negative electrode of the external power supply and one end of the resistor R18 respectively through series resistors R15, and the other end of the resistor R17 and the other end of the resistor R18 are grounded respectively.

7. An emergency lamp, characterized in that: comprising a lamp control circuit as claimed in any one of claims 1 to 6, a lamp source (70) and a lamp housing (80), wherein a mounting hole for mounting the lamp source (70) is formed in the lamp housing (80), the lamp source (70) is arranged in the mounting hole, the lamp control circuit is arranged inside the lamp housing (80), and the lamp source (70) is electrically connected with the lamp control circuit.