CN109038790B - Emergency device for ship lamp - Google Patents
Emergency device for ship lamp Download PDFInfo
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- CN109038790B CN109038790B CN201810780594.0A CN201810780594A CN109038790B CN 109038790 B CN109038790 B CN 109038790B CN 201810780594 A CN201810780594 A CN 201810780594A CN 109038790 B CN109038790 B CN 109038790B
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- 239000003990 capacitor Substances 0.000 claims description 63
- 238000001514 detection method Methods 0.000 claims description 61
- 230000005669 field effect Effects 0.000 claims description 17
- 238000005286 illumination Methods 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
- B63B2045/005—Arrangements or adaptations of signalling or lighting devices comprising particular electric circuits
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
An emergency device for ship lamps belongs to the technical field of ship lighting electric equipment. The power supply circuit is connected with the battery feed protection circuit, the first battery, the second battery and the AC/DC power supply circuit respectively. The advantages are that: the risk of manual maintenance in place is reduced, the reliability is improved, and human resources can be saved.
Description
Technical Field
The invention belongs to the technical field of ship lighting electric equipment, and particularly relates to an emergency device for ship lamps.
Background
Most of lamps used in ship illumination initially adopt fluorescent lamps, but due to short service life, low light efficiency, large heating value and power consumption, with the emergence of new energy sources in recent years, the fluorescent lamps are gradually replaced by LED lamps which are environment-friendly, energy-saving, long in service life and strong in vibration and impact resistance. The emergency lighting device for ship illumination is used for ensuring that the standby battery can output effective voltage when ship electricity encounters emergency power failure, realizing continuous illumination of the lamp and further ensuring normal operation of the ship. At present, most of existing LED emergency devices in the market adopt a structure that a battery is directly connected to an LED module, and on-off of ship electricity is judged through a comparator, so that emergency lighting is realized. The defect of the structure is that the protection circuit is completely dependent on the setting in the battery, has poor reliability, cannot be automatically maintained and consumes manpower.
In view of the above, the applicant has devised advantageously, and the technical solutions described below are produced in this context.
Disclosure of Invention
The invention aims to provide the lighting emergency device for the ship lamp, which has the advantages of small volume, good reliability, convenience in installation and long service life.
The invention aims at achieving the purpose, namely an emergency device for a ship lamp, which is characterized in that: including central controller, first battery power detection circuit, second battery power detection circuit, battery feed protection circuit, control loop power supply circuit, outage signal detection circuit, AC/DC power supply circuit, emergent output circuit, first battery charge control circuit, second battery charge control circuit, first battery, second battery and LED module, central controller respectively with first battery power detection circuit, second battery power detection circuit, battery feed protection circuit, control loop power supply circuit, outage signal detection circuit, emergent output circuit, first battery charge control circuit and second battery charge control circuit connect, control loop power supply circuit be connected with battery feed protection circuit, first battery, second battery and AC/DC power supply circuit respectively, first battery connect emergent output circuit, first battery charge control circuit and first battery power detection circuit, second battery connect emergent output circuit, second battery charge control circuit and second battery power detection circuit, emergent output circuit connect the LED module, AC/DC power supply circuit connect outage signal detection circuit, first battery charge control circuit and second battery charge control circuit.
In a specific embodiment of the present invention, the emergency output circuit includes a battery selection circuit, a boost circuit and a power selection circuit, where the battery selection circuit and the power selection circuit are respectively connected to the central controller, the boost circuit is connected to the battery selection circuit, the power selection circuit, the first battery and the second battery, the power selection circuit is connected to the LED module, and the central controller determines whether emergency lighting is needed through the power selection circuit according to the detected signal, and determines whether emergency lighting is performed by the first battery or the second battery through the battery selection circuit.
In another specific embodiment of the present invention, the first battery charging control circuit includes resistors R1 to R11, a transistor Q1, a transistor Q2, a diode D1, a capacitor C2, and a field effect transistor U1, where the field effect transistor U1 is AO4407, the positive electrode of the diode D1 is connected to one end of the resistor R1, one end of the resistor R2, one end of the resistor R3, one end of the resistor R4, and one end of the resistor R5, the negative electrode of the diode D1 is connected to one end of the resistor R6 and the 1, 2, and 3 pins of the field effect transistor U1, the other end of the resistor R6 is connected to one end of the resistor R11 and the 4 pin of the field effect transistor U1, the other end of the resistor R11 is connected to the collector of the transistor Q2, the base of the transistor Q2 is connected to one end of the resistor R9 and one end of the resistor R10, the other end of the resistor R9 is connected with the collector of the triode Q1, the base of the triode Q1 is connected with one end of the resistor R7 and one end of the resistor R8, the other end of the resistor R7 is connected with the central controller, pins 5, 6, 7 and 8 of the field effect transistor U1 are commonly connected with one end of the capacitor C1 and one end of the capacitor C2, pins 5, 6, 7 and 8 of the field effect transistor U1 are commonly connected with the first battery, the other end of the resistor R1, the other end of the resistor R2, the other end of the resistor R3, the other end of the resistor R4 and the other end of the resistor R5 are commonly connected with a +15V direct current power supply, the other end of the resistor R8 and the emitter of the triode Q1 are commonly connected with a +5V direct current power supply, and the other end of the resistor R10, the emitter of the triode Q2, the other end of the capacitor C1 and the other end of the capacitor C2 are commonly grounded.
In another specific embodiment of the present invention, the battery feed protection circuit includes resistors R12 to R17 and transistors Q3 to Q5, one end of the resistor R12 is connected to the emitter of the transistor Q3 and is commonly connected to the control loop power supply circuit, the other end of the resistor R12 is connected to one end of the resistor R13 and the collector of the transistor Q4, the base of the transistor Q4 is connected to one end of the resistor R14 and one end of the resistor R15, the other end of the resistor R14 is connected to the collector of the transistor Q5, the base of the transistor Q5 is connected to one end of the resistor R16 and one end of the resistor R17, the other end of the resistor R17 is connected to the central controller, the other end of the resistor R13 is connected to the base of the transistor Q3, the collector of the transistor Q3 is commonly connected to the control loop power supply circuit, the emitter of the transistor Q5 and the other end of the resistor R16 are commonly connected to +5v dc power supply, and the other end of the resistor Q4 and the other end of the resistor R15 are commonly grounded.
In still another specific embodiment of the present invention, the control loop power supply circuit includes a diode D2 to a diode D4, a capacitor C3 to a capacitor C6, and a three-terminal voltage stabilizing integrated circuit U2, wherein 7805 is adopted in the three-terminal voltage stabilizing integrated circuit U2, the positive electrode of the diode D2 is connected to the first battery, the positive electrode of the diode D3 is connected to the second battery, the negative electrode of the diode D2 is connected to the negative electrode of the diode D3 and is commonly connected to the battery feed protection circuit, the negative electrode of the diode D4 is connected to one end of the capacitor C3, one end of the capacitor C4, and the 1 pin of the three-terminal voltage stabilizing integrated circuit U2, the positive electrode of the diode D4 is connected to +15v dc power supply, the 3 pin of the three-terminal voltage stabilizing integrated circuit U2, one end of the capacitor C5, and one end of the capacitor C6 commonly output +5v dc voltage, and the other end of the three-terminal voltage stabilizing integrated circuit U2, the other end of the capacitor C3, the other end of the capacitor C4, and the other end of the capacitor C6 are commonly grounded.
In still another specific embodiment of the present invention, the battery selection circuit includes a resistor R18, a resistor R19, a transistor Q6, a diode D5, and a relay U3, where the relay U3 uses HF33F, one end of the resistor R18 is connected to the central controller, the other end of the resistor R18 is connected to one end of the resistor R19 and a base of the transistor Q6, a collector of the transistor Q6 is connected to a negative electrode of the diode D5 and a 2 pin of the relay U3, a 4 pin of the relay U3 is connected to the first battery, a 5 pin of the relay U3 is connected to the second battery, a 3 pin of the relay U3 is connected to the boost circuit, the other end of the resistor R19 and an emitter of the transistor Q6 are commonly connected to a +5v dc power supply, and an anode of the diode D5 is commonly grounded to a 1 pin of the relay U3.
IN a further specific embodiment of the present invention, the power supply selection circuit includes a resistor R20, a resistor R21, a triode Q7, a diode D6, and a relay U4, where the relay U4 uses HF33F, one end of the resistor R20 is connected to the central controller, the other end of the resistor R20 is connected to one end of the resistor R21 and the base of the triode Q7, the collector of the triode Q7 is connected to the negative electrode of the diode D6 and the 2 pin of the relay U4, the 4 pin of the relay U4 is connected to the illumination power supply ac_in+, the 5 pin of the relay U4 is connected to the boost circuit, the 3 pin of the relay U4 is connected to the LED module, the other end of the resistor R21 and the emitter of the triode Q7 are commonly connected to +5v dc power supply, and the positive electrode of the diode D6 and the 1 pin of the relay U4 are commonly grounded.
In a further specific embodiment of the present invention, the boost circuit includes a resistor R22-R26, a triode Q8, a diode D7, an LED driver U5, a capacitor C7-C9, and an inductor L1, where the LED driver U5 uses HD15L05, pin 1 of the LED driver U5 is connected to one end of the inductor L1 and one end of the capacitor C8 and is commonly connected to the battery selection circuit, the other end of the inductor L is connected to pin 3 of the LED driver U5 and the positive electrode of the diode D7, pin 2 of the LED driver U5 is connected to one end of the resistor R24 and the collector of the triode Q8, the base of the triode Q8 is connected to one end of the resistor R25 and one end of the resistor R26, the other end of the resistor R26 is connected to the central controller, the negative electrode of the diode D7 is commonly connected to one end of the capacitor C7 and is commonly connected to the power supply selection circuit, pin 5 of the LED driver U5 is connected to one end of the capacitor C9, pin 5 of the other end of the LED driver U5 is commonly connected to one end of the resistor C5, the other end of the resistor U6 is commonly connected to the other end of the resistor R23 and the resistor R23, and the other end of the resistor R23 is commonly connected to the other end of the resistor R23, and the resistor R8 is commonly connected to the other end of the resistor R23 is connected to the resistor R8.
In still another specific embodiment of the present invention, the first battery power detection circuit includes resistors R27 to R30, capacitors C10 to C12, and a voltage detection chip U6, where CN303 is adopted in the voltage detection chip U6, one end of the resistor R27 is connected to one end of the capacitor C10 and one end of the resistor R28, and is commonly connected to the first battery, the other end of the resistor R27 is connected to one end of the capacitor C11, one end of the resistor R29, and pin 1 of the voltage detection chip U6, pins 3 and 5 of the voltage detection chip U6 are respectively connected to the central controller, pin 6 of the voltage detection chip U6 is connected to one end of the capacitor C12, the other end of the resistor R28, and one end of the resistor R30, pin 4 of the voltage detection chip U6 is commonly connected to a +5v dc power supply, the other end of the capacitor C7, the other end of the capacitor C12, the other end of the capacitor C10, the other end of the resistor R29, the other end of the resistor R30, the other end of the capacitor C11, and the voltage detection chip U2 are commonly grounded.
In still another specific embodiment of the present invention, the power-off signal detection circuit includes resistors R31 to R33 and a transistor Q9, wherein one end of the resistor R31 is connected to the collector of the transistor Q9 and is commonly connected to the central controller, the base of the transistor Q9 is connected to one end of the resistor R32 and one end of the resistor R33, the other end of the resistor R32 is connected to a +15v dc power supply, the other end of the resistor R31 is connected to a +5v dc power supply, and the emitter of the transistor Q9 is commonly grounded to the other end of the resistor R33.
Due to the adoption of the structure, compared with the prior art, the invention has the beneficial effects that: the central controller maintains the battery at regular time, so that the risk of not in place of manual maintenance is reduced, and human resources can be saved; the design structure of the redundant power supply can realize high reliability of the emergency device; the whole volume is smaller, the LED ship lamp can be directly installed into the LED ship lamp, and the service life of the battery is prolonged due to the design of various protection circuits of the battery.
Drawings
Fig. 1 is an electrical schematic block diagram of the present invention.
Fig. 2 is an electrical connection schematic diagram of a first battery charge control circuit according to the present invention.
Fig. 3 is an electrical connection schematic diagram of the battery feed protection circuit and the control loop power supply circuit according to the present invention.
Fig. 4 is a schematic diagram of the electrical connection of the emergency output circuit according to the present invention.
Fig. 5 is an electrical connection schematic diagram of the first battery power detection circuit according to the present invention.
Fig. 6 is an electrical connection schematic diagram of the power-off signal detection circuit according to the present invention.
Fig. 7 is an electrical connection schematic diagram of an AC/DC power circuit according to the present invention.
Detailed Description
In order that the nature and advantages of the invention may be fully understood by the applicant, a detailed description of specific embodiments of the invention will be presented below with reference to the accompanying drawings, but the description of the examples by applicant is not intended to be a limitation, and any variations in form but not substance, according to the inventive concept should be regarded as being within the scope of the invention.
Referring to fig. 1, the invention relates to an emergency device for a marine lamp, which comprises a central controller, a first battery power detection circuit, a second battery power detection circuit, a battery feed protection circuit, a control loop power supply circuit, a power-off signal detection circuit, an AC/DC power supply circuit, an emergency output circuit, a first battery charging control circuit, a second battery charging control circuit, a first battery, a second battery and an LED module, wherein in the embodiment, the central controller adopts a single-chip microcomputer HD15L04. The central controller is respectively connected with the first battery electric quantity detection circuit, the second battery electric quantity detection circuit, the battery feed protection circuit, the control loop power supply circuit, the power-off signal detection circuit, the emergency output circuit, the first battery charging control circuit and the second battery charging control circuit. The control loop power supply circuit is respectively connected with the battery feed protection circuit, the first battery, the second battery and the AC/DC power supply circuit, wherein the battery feed protection circuit is connected with the control loop power supply circuit and is used for cutting off the power supply of the emergency battery when the voltage of the emergency battery is too low so as to realize the feed protection of the emergency battery; the first battery, the second battery and the AC/DC power supply circuit are connected with the control loop power supply circuit and used for ensuring the power supply voltage of each circuit in the emergency device. The first battery is connected with the emergency output circuit, the first battery charging control circuit and the first battery electric quantity detection circuit, the second battery is connected with the emergency output circuit, the second battery charging control circuit and the second battery electric quantity detection circuit, and the emergency output circuit is connected with the LED module. The AC/DC power supply circuit is connected with the power-off signal detection circuit, the first battery charging control circuit and the second battery charging control circuit.
The invention adopts a design structure of a redundant power supply, namely, the emergency battery consists of a first battery and a second battery, when an emergency condition is met, the central controller firstly judges whether the first battery can normally output, and if the first battery fails or is maintained, the second battery is immediately connected to the input end of the booster circuit, so that the emergency device can timely output effective voltage, and emergency illumination is ensured. The invention also has the functions of charge and discharge protection and automatic maintenance, the first and second battery electric quantity detection circuits output the detected voltage to the central controller, and the central controller stops charging the first battery or the second battery when the voltage of the first battery or the second battery is higher than 14.4V according to the built-in program; when the voltage of the first battery or the second battery is lower than 10.8V, the discharge thereof is stopped. The central controller sets the maintenance period of the two batteries to be 30 days after the power is turned on, sets the first battery and the second battery to be automatically maintained every 30 days, fully releases the electric quantity of the first battery and the second battery, and then charges the first battery and the second battery.
Specifically, emergent output circuit include battery selection circuit, boost circuit and power selection circuit, battery selection circuit and power selection circuit connect respectively central controller, boost circuit connect battery selection circuit, power selection circuit, first battery and second battery, power selection circuit connect the LED module. The central controller judges whether emergency lighting is needed or not through the power supply selection circuit according to the detected signals, and judges whether the first battery or the second battery is used for emergency lighting through the battery selection circuit.
Referring to fig. 2, the first battery charge control circuit includes resistors R1 to R11, a transistor Q1, a transistor Q2, a diode D1, a capacitor C2, and a field effect transistor U1, wherein the field effect transistor U1 adopts AO4407, wherein pins 5, 6, 7, and 8 of the field effect transistor U1 are drains, and pin 4 is a gate. Pins 5, 6, 7 and 8 of the field effect transistor U1 are commonly connected to one end of the capacitor C1 and one end of the capacitor C2, and pins 5, 6, 7 and 8 of the field effect transistor U1 are commonly connected to the first battery. The first battery charging control circuit is connected with a P3.3 pin of the singlechip through a resistor R7. The first battery charging control circuit charges the first battery according to a charging signal sent by the singlechip. Specifically, the single chip microcomputer judges whether the first battery needs to be charged according to the output voltage of the first battery detected by the first battery electric quantity detection circuit, if so, the P3.3 pin of the single chip microcomputer outputs high and low levels, and the field effect transistor U1 is conducted by controlling the voltage of the 4 pin of the field effect transistor U1, so that the first battery is charged. The circuit formed by the resistors R1 to R5 is used for preventing damage to components caused by overlarge charging current. The diode D1 is used to prevent the high voltage battery from charging the low voltage battery. The structure of the second battery charging control circuit is the same as that of the first battery charging control circuit, and the second battery charging control circuit is connected with the P3.2 pin of the singlechip. The second battery charging control circuit charges the second battery according to a charging signal sent by the singlechip.
Referring to fig. 3, the battery feed protection circuit includes a resistor R12-R17 and a triode Q3-Q5, and the control loop power supply circuit includes a diode D2-D4, a capacitor C3-C6 and a three-terminal voltage-stabilizing integrated circuit U2, wherein the three-terminal voltage-stabilizing integrated circuit U2 adopts 7805. One end of a resistor R12 is connected with an emitter of a triode Q3 and is commonly connected with a cathode of a diode D2 and a cathode of the diode D3, the other end of the resistor R12 is connected with one end of a resistor R13 and a collector of a triode Q4, a base of the triode Q4 is connected with one end of a resistor R14 and one end of a resistor R15, the other end of the resistor R14 is connected with a collector of a triode Q5, a base of the triode Q5 is connected with one end of a resistor R16 and one end of a resistor R17, the other end of the resistor R17 is connected with a P5.4 pin of the singlechip, the other end of the resistor R13 is connected with the base of the triode Q3, and a collector of the triode Q3 is connected with the cathode of the diode D4, one end of a capacitor C3, one end of a capacitor C4 and 1 pin of a three-terminal voltage stabilizing integrated circuit U2. In the control loop power supply circuit, the positive electrode of the diode D2 is connected with the first battery, and the positive electrode of the diode D3 is connected with the second battery. The positive electrode of the diode D4 is connected with a +15V direct current power supply, and the 3 pin of the three-terminal voltage stabilizing integrated circuit U2, one end of the capacitor C5 and one end of the capacitor C6 jointly output the +5V direct current power supply. The control loop power supply circuit converts the output of +15V or the first and second batteries into +5V voltage to supply power for the singlechip and other circuits. And a 3 pin of the three-terminal voltage-stabilizing integrated circuit U2 is connected with the emitter of the triode Q5 to form a continuous power supply self-locking circuit. When the singlechip judges that the current state is an emergency state, the P5.4 pin of the singlechip outputs a low level, so that the first battery or the second battery is in emergency power supply. In an emergency state, when the voltage of the first or second battery is lower than 10.8V, the singlechip automatically resets all internal parameters, and then the P5.4 pin outputs high level, so that the power supply of the first or second battery is cut off.
Referring to fig. 4, in the emergency output circuit, the battery selection circuit includes a resistor R18, a resistor R19, a triode Q6, a diode D5, and a relay U3, wherein the relay U3 adopts HF33F; the power supply selection circuit comprises a resistor R20, a resistor R21, a triode Q7, a diode D6 and a relay U4, wherein the relay U4 adopts HF33F; the booster circuit comprises a resistor R22-R26, a triode Q8, a diode D7, an LED driver U5, a capacitor C7-C9 and an inductor L1, wherein the LED driver U5 adopts HD15L05. In the battery selection circuit, one end of a resistor R18 is connected with a P3.7 pin of the singlechip, the other end of the resistor R18 is connected with one end of a resistor R19 and a base electrode of a triode Q6, a collector electrode of the triode Q6 is connected with a cathode of a diode D5 and a 2 pin of a relay U3, and a 1 pin of the relay U3 is commonly grounded with an anode of the diode D5. The 3 pin and the 4 pin of the relay U3 form a pair of normally closed contacts, wherein the 4 pin is connected with the first battery; and 3 pins and 5 pins of the relay U3 form a pair of normally open contacts, wherein the 5 pins are connected with the second battery. The singlechip enables the P3.7 pin to output high and low levels according to the state of the first battery, thereby controlling whether the coil of the relay U3 is conducted or not, and realizing the battery selection function. In the power supply selection circuit, one end of a resistor R20 is connected with a P3.6 pin of the singlechip, the other end of the resistor R20 is connected with one end of a resistor R21 and a base electrode of a triode Q7, and a collector electrode of the triode Q7 is connected with a cathode of a diode D6 and a 2 pin of a relay U4. The 3 feet and the 4 feet of the relay U4 are a pair of normally closed contacts, wherein the 4 feet are connected with a normal illumination power supply AC_IN+, the 3 feet and the 5 feet of the relay U4 are a pair of normally open contacts, the 5 feet are connected with the negative electrode of the diode D7 and one end of the capacitor C7 IN the booster circuit, and the emergency illumination power supply DC/DC+ is obtained from the booster circuit. And 3 pins of the relay U4 are connected with the anode of the LED module, so that emergency illumination is realized. The singlechip judges the current state according to the detected power-off signal, so that the P3.6 pin outputs high and low levels as a switching signal, and whether the U4 coil of the relay is conducted or not is controlled, and emergency lighting is further realized. In the boost circuit, pin 1 of the LED driver U5 is connected with one end of the inductor L1 and one end of the capacitor C8, and is commonly connected to pin 3 of the relay U3 in the battery selection circuit, the other end of the inductor L is connected with pin 3 of the LED driver U5 and the positive electrode of the diode D7, pin 2 of the LED driver U5 is connected with one end of the resistor R24 and the collector of the triode Q8, the base of the triode Q8 is connected with one end of the resistor R25 and one end of the resistor R26, and the other end of the resistor R26 is connected with the P1.0 pin of the singlechip. One end of a capacitor C9 is connected with a 5 pin of the LED driver U5, one end of a resistor R22 and one end of a resistor R23 are connected with a 6 pin of the LED driver U5, and the two ends are connected with the negative electrode of the LED module together. The singlechip outputs high and low levels through a P1.0 pin so as to control the LED driver U5 to work, and the battery voltage output by the battery selection circuit is amplified by the booster circuit and then is connected to the LED module by the power supply selection circuit, so that the lamp works normally.
Referring to fig. 5, the first battery power detection circuit includes a resistor R27 to a resistor R30, a capacitor C10 to a capacitor C12, and a voltage detection chip U6, wherein CN303 is adopted for the voltage detection chip U6. One end of the resistor R27 is connected to one end of the capacitor C10 and one end of the resistor R28, and is commonly connected to the first battery. The other end of the resistor R27 is connected with one end of the capacitor C11, one end of the resistor R29 and the 1 pin of the voltage detection chip U6, and the 3 pin of the voltage detection chip U6 is connected with the P1.2 pin of the singlechip. And a pin 5 of the voltage detection chip U6 is connected with a pin P1.3 of the singlechip. The voltage detection chip U6 converts the detected electric quantity of the first battery into TTL signals and transmits the TTL signals to the single chip microcomputer, when the output voltage of the first battery is greater than 14.4V, the 3 pins and the 5 pins of the voltage detection chip U6 output high levels, and at the moment, the single chip microcomputer sends out instructions to enable the first battery to stop charging. When the output voltage of the first battery is lower than 10.8V, the 3 pin and the 5 pin of the voltage detection chip U6 output low level, and the singlechip sends out a command to stop discharging the first battery. The method comprises the steps of presetting that when the voltage of a first battery is detected to be lower than 14.4V, the first battery is charged, setting that every 24h is a period from starting, charging the first battery only once in the period, resetting the singlechip after each emergency, resetting internal parameters, and restarting. The second battery electric quantity detection circuit adopts the same structure as the first battery electric quantity detection circuit, and is correspondingly connected with the P1.4 pin and the P1.5 pin of the singlechip.
Referring to fig. 6, the power-off signal detection circuit includes resistors R31 to R33 and a triode Q9, wherein one end of the resistor R31 is connected with a collector of the triode Q9 and is commonly connected with a pin P1.1 of the singlechip. The singlechip judges whether the normal illumination power supply is powered off or not by judging the high and low levels at the P1.1 pin.
Referring to fig. 7, the AC/DC power circuit includes a power module U7, a fuse F1, and a negative temperature coefficient thermistor NTC, wherein the power module U7 employs LH10-10B15. The AC220V alternating current power supply outputs +15V direct current voltage through the power module U7 and is used as a ship electricity normal voltage signal and a charging input voltage of a battery.
Claims (9)
1. An emergency device for a ship lamp is characterized in that: comprises a central controller, a first battery electric quantity detection circuit, a second battery electric quantity detection circuit, a battery feed protection circuit, a control loop power supply circuit, a power-off signal detection circuit, an AC/DC power supply circuit, an emergency output circuit, a first battery charging control circuit, a second battery charging control circuit, a first battery, a second battery and an LED module, wherein the central controller is respectively connected with the first battery electric quantity detection circuit, the second battery electric quantity detection circuit, the battery feed protection circuit, the control loop power supply circuit, the power-off signal detection circuit, the emergency output circuit, the first battery charging control circuit and the second battery charging control circuit, the control loop power supply circuit is respectively connected with the battery feed protection circuit, the first battery, the second battery and the AC/DC power supply circuit, the first battery is connected with the emergency output circuit, the first battery charging control circuit and the first battery electric quantity detection circuit, the second battery is connected with the emergency output circuit, the second battery charging control circuit and the second battery electric quantity detection circuit, the emergency output circuit is connected with the LED module, the AC/DC power supply circuit is connected with the power-off signal detection circuit, the first battery charging control circuit and the second battery charging control circuit, the emergency output circuit comprises a battery selection circuit, a voltage boosting circuit and a power supply selection circuit, the battery selection circuit and the power supply selection circuit are respectively connected with the central controller, the voltage boosting circuit is connected with the battery selection circuit, the power supply selection circuit, the first battery and the second battery, the power supply selection circuit is connected with the LED module, the central controller is connected with the LED module according to the detected signals, whether emergency illumination is needed or not is judged through the power supply selection circuit, and whether emergency illumination is carried out by the first battery or the second battery is judged through the battery selection circuit.
2. The emergency device for ship lamp according to claim 1, wherein the first battery charging control circuit comprises resistors R1 to R11, a transistor Q1, a transistor Q2, a diode D1, a capacitor C2 and a field effect transistor U1, wherein the field effect transistor U1 is AO4407, the positive electrode of the diode D1 is connected to one end of the resistor R1, one end of the resistor R2, one end of the resistor R3, one end of the resistor R4 and one end of the resistor R5, the negative electrode of the diode D1 is connected to one end of the resistor R6 and to pins 1, 2 and 3 of the field effect transistor U1, the other end of the resistor R6 is connected to one end of the resistor R11 and to pins 4 of the field effect transistor U1, the other end of the resistor R11 is connected to the collector of the transistor Q2, the base of the transistor Q2 is connected to one end of the resistor R9 and to one end of the resistor R10, the other end of the resistor R9 is connected to the collector of the transistor Q1, the base of the transistor Q1 is connected to one end of the resistor R7 and to one end of the resistor R7, the other end of the resistor R7 is connected to the other end of the resistor R7 and to the other end of the resistor R5, and the other end of the resistor R1 is connected to the other end of the resistor R7 and to the other end of the resistor C1 and to the other end of the resistor 2 is connected to the other end of the resistor 3, and to the resistor 3, and the common resistor, and the resistor is connected to the other end of the resistor and resistor is connected to the resistor and resistor 2 and the other end 1 and resistor is connected to the resistor 2 and the resistor.
3. The emergency device for ship lamp according to claim 1, wherein the battery feed protection circuit comprises resistors R12 to R17 and transistors Q3 to Q5, one end of the resistor R12 is connected with the emitter of the transistor Q3 and is commonly connected with the control loop power supply circuit, the other end of the resistor R12 is connected with one end of the resistor R13 and the collector of the transistor Q4, the base of the transistor Q4 is connected with one end of the resistor R14 and one end of the resistor R15, the other end of the resistor R14 is connected with the collector of the transistor Q5, the base of the transistor Q5 is connected with one end of the resistor R16 and one end of the resistor R17, the other end of the resistor R17 is connected with the central controller, the other end of the resistor R13 is connected with the base of the transistor Q3, the collector of the transistor Q3 is commonly connected with the emitter of the transistor Q5 and the other end of the resistor R16 to +5v dc power supply, and the other end of the resistor R15 is commonly grounded.
4. The emergency device for the ship lamp according to claim 1, wherein the control loop power supply circuit comprises diodes D2 to D4, capacitors C3 to C6 and a three-terminal voltage stabilizing integrated circuit U2, wherein 7805 is adopted in the three-terminal voltage stabilizing integrated circuit U2, the positive electrode of the diode D2 is connected with the first battery, the positive electrode of the diode D3 is connected with the second battery, the negative electrode of the diode D2 is connected with the negative electrode of the diode D3 and is commonly connected with the battery feed protection circuit, the negative electrode of the diode D4 is connected with one end of the capacitor C3, one end of the capacitor C4 and the 1 pin of the three-terminal voltage stabilizing integrated circuit U2 and is commonly connected with the battery feed protection circuit, the positive electrode of the diode D4 is connected with +15v dc power supply, the 3 pin of the three-terminal voltage stabilizing integrated circuit U2, one end of the capacitor C5 and one end of the capacitor C6 commonly output +5v dc voltage, and the other end of the three-terminal voltage stabilizing integrated circuit U2, the other end of the capacitor C3, the other end of the capacitor C4 and the other end of the capacitor C6 commonly connect with the ground.
5. The emergency device for the ship lamp according to claim 1, wherein the battery selection circuit comprises a resistor R18, a resistor R19, a triode Q6, a diode D5 and a relay U3, wherein the relay U3 adopts HF33F, one end of the resistor R18 is connected with the central controller, the other end of the resistor R18 is connected with one end of the resistor R19 and a base electrode of the triode Q6, a collector electrode of the triode Q6 is connected with a cathode of the diode D5 and a 2 pin of the relay U3, a 4 pin of the relay U3 is connected with the first battery, a 5 pin of the relay U3 is connected with the second battery, a 3 pin of the relay U3 is connected with the boost circuit, the other end of the resistor R19 and an emitter electrode of the triode Q6 are commonly connected with a +5v direct current power supply, and a positive electrode of the diode D5 is commonly connected with a 1 pin of the relay U3.
6. The emergency device for the ship lamp according to claim 1, wherein the power supply selection circuit comprises a resistor R20, a resistor R21, a triode Q7, a diode D6 and a relay U4, wherein the relay U4 adopts HF33F, one end of the resistor R20 is connected with the central controller, the other end of the resistor R20 is connected with one end of the resistor R21 and a base electrode of a triode Q7, a collector electrode of the triode Q7 is connected with a cathode of the diode D6 and a 2 pin of the relay U4, a 4 pin of the relay U4 is connected with an illumination power supply ac_in+, a 5 pin of the relay U4 is connected with the boost circuit, a 3 pin of the relay U4 is connected with the LED module, the other end of the resistor R21 and an emitter electrode of the triode Q7 are commonly connected with a +5v direct current power supply, and a positive electrode of the diode D6 and a 1 pin of the relay U4 are commonly grounded.
7. The emergency device for ship lamp according to claim 1, wherein the boost circuit comprises resistors R22-R26, a triode Q8, a diode D7, an LED driver U5, a capacitor C7-C9 and an inductor L1, wherein the LED driver U5 is HD15L05, pin 1 of the LED driver U5 is connected to one end of the inductor L1 and one end of the capacitor C8 and is commonly connected to the battery selection circuit, the other end of the inductor L is connected to the 3 pin of the LED driver U5 and the positive electrode of the diode D7, pin 2 of the LED driver U5 is connected to one end of the resistor R24 and the collector of the triode Q8, the base of the triode Q8 is connected to one end of the resistor R25 and one end of the resistor R26, the other end of the resistor R26 is connected to the central controller, the negative electrode of the diode D7 is connected to one end of the capacitor C7 and is commonly connected to the power selection circuit, pin 5 of the LED driver U5 is connected to one end of the capacitor C9, the other end of the resistor U5 is commonly connected to the resistor C22 and the other end of the resistor R23, and the other end of the resistor R23 is commonly connected to the other end of the resistor R22 and the resistor R8, and the other end of the resistor R23 is commonly connected to the resistor R4.
8. The emergency device for a ship lamp according to claim 1, wherein the first battery power detection circuit comprises resistors R27 to R30, capacitors C10 to C12 and a voltage detection chip U6, wherein CN303 is adopted as the voltage detection chip U6, one end of the resistor R27 is connected with one end of the capacitor C10 and one end of the resistor R28, and is commonly connected with the first battery, the other end of the resistor R27 is connected with one end of the capacitor C11, one end of the resistor R29 and 1 pin of the voltage detection chip U6, pins 3 and 5 of the voltage detection chip U6 are respectively connected with the central controller, pin 6 of the voltage detection chip U6 is commonly connected with one end of the capacitor C12, the other end of the resistor R28 and one end of the resistor R30, pin 4 of the voltage detection chip U6 is commonly connected with a +5v dc power supply, the other end of the capacitor C7, the other end of the capacitor C12, the other end of the capacitor C10, the other end of the resistor R29, the other end of the resistor R30, the other end of the capacitor C11 and the voltage detection chip U6 are commonly connected with ground.
9. The emergency device for the ship lamp according to claim 1, wherein the power-off signal detection circuit comprises resistors R31 to R33 and a triode Q9, one end of the resistor R31 is connected with a collector of the triode Q9 and is commonly connected with the central controller, a base of the triode Q9 is connected with one end of a resistor R32 and one end of the resistor R33, the other end of the resistor R32 is connected with a +15V direct current power supply, the other end of the resistor R31 is connected with a +5V direct current power supply, and an emitter of the triode Q9 is commonly grounded with the other end of the resistor R33.
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| CN201810780594.0A CN109038790B (en) | 2018-07-17 | 2018-07-17 | Emergency device for ship lamp |
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| CN201810780594.0A CN109038790B (en) | 2018-07-17 | 2018-07-17 | Emergency device for ship lamp |
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