CN212377855U - Rechargeable fire-fighting emergency lamp adopting two-bus power supply communication - Google Patents
Rechargeable fire-fighting emergency lamp adopting two-bus power supply communication Download PDFInfo
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- CN212377855U CN212377855U CN202021574841.0U CN202021574841U CN212377855U CN 212377855 U CN212377855 U CN 212377855U CN 202021574841 U CN202021574841 U CN 202021574841U CN 212377855 U CN212377855 U CN 212377855U
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Abstract
The utility model relates to an adopt chargeable fire control emergency lighting apparatus of two bus power supply communications belongs to fire control safety technical field. The lamp comprises a face frame (1), a PC board (2), a circuit board (3), a battery (4), a middle shell (5) and a lower shell (6); the face frame (1) and the lower shell (6) form a shell structure, and bolts are arranged on two sides of the shell structure; the battery (4) is arranged in the middle shell (5), and the battery (4) is connected with the circuit board (3) through an external interface; the circuit board (3) is embedded into the middle shell (5) and is vertical to the face frame (1); the battery (4) is also provided with a battery charging circuit in a matching way. The fire-fighting emergency sign lamp adopts two buses for power supply and communication, can be charged, and can work normally if the front end of the fire-fighting emergency sign lamp has an electrical fault as long as a battery in the lamp does not have a fault.
Description
Technical Field
The utility model relates to an adopt chargeable fire control emergency lighting apparatus of two bus power supply communications belongs to fire control safety technical field.
Background
Under the prior art, the fire emergency evacuation sign lamp can provide illumination or guide directions for evacuation and escape of people, and is particularly suitable for large crowd gathering places, such as a fire control room, a fire pump room and a self-contained generator room. Meanwhile, the evacuation sign lamp also needs to ensure the illumination of normal illumination.
The fire-fighting evacuation lamp manufacturers mostly adopt a centralized power supply mode, all illuminating lamps and evacuation indicating lamps are connected with an emergency illumination centralized power supply through two buses, the emergency illumination centralized power supply supplies power for the evacuation indicating lamps in a centralized mode, if the emergency illumination centralized power supply loses power from a main power supply and a standby power supply, an input power supply is smaller than a working power supply, the evacuation indicating lamps are turned off and cannot work. The centralized power supply type mainly means that a standby power supply of system lamps adopts a centralized power supply for supplying power, batteries are not arranged in the lamps, namely the batteries in the lamps are centralized to form a large power supply for supplying power to the lamps, the occurrence of the centralized power supply provides great convenience for the detection and maintenance work of a power supply of a common fire emergency evacuation lamp, but the centralized power supply also has the fatal defects that the power supply has larger volume and needs to provide a larger space position for installation, most importantly, when the power supply or a circuit and the like have faults, the fire emergency lamps of one area or even the whole building can be influenced, the emergency standby time cannot meet the requirements if the power supply or the circuit and the like, and the fire emergency evacuation area is painted black when the fire emergency evacuation area has an accident. The lead-acid storage battery is adopted as the standby power supply of the centralized power supply type system, the battery has larger volume, stronger corrosivity and limited service life, particularly, the service life of domestic products is only 3-5 years generally, if the maintenance is not good, the service life is shorter, generally about 2 years, and any battery in one group of batteries breaks down, the whole group of batteries is replaced.
Chinese patent with patent publication No. CN205909148U discloses an LED lamp with emergency lighting function, which includes a lamp housing, a battery, a driving power supply, a first LED lamp group and a second LED lamp group are disposed in the lamp housing, the first LED lamp group and the second LED lamp group both include a plurality of LED lamps, and the plurality of LED lamps of the second LED lamp group are connected in parallel; the first LED lamp group is connected with a driving power supply, and the driving power supply is connected with a mains supply; the battery is one, and this battery connection second LED banks, establishes control circuit in the lamp body, and when the commercial power outage, the control battery is for second LED banks power supply. The first LED lamp group is powered by mains supply and used for normal illumination, and the plurality of LED lamps of the second LED lamp group are connected in parallel.
The emergency lighting device can be directly powered by a single battery when the mains supply is powered off, has the function of emergency lighting, can reasonably and completely utilize the power of the battery, is more energy-saving and environment-friendly, and has a simple circuit structure; however, two sets of LED lamps need to be arranged in the patent, and the lamp structure is adapted to the two sets of LED lamps, so that the manufacturing cost is relatively increased due to the complex structure, and the cost is further increased due to the fact that the lamp structure is connected with the commercial power.
Therefore, the development of a rechargeable fire-fighting emergency lamp adopting two buses for power supply communication is urgent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of proposing among the above-mentioned background problem, provide a but adopt two bus power supply communication's chargeable fire control emergency lighting apparatus, it adopts two bus power supply communication, but chargeable, if the emergent sign lamps and lanterns of fire control take place electrical fault in the front end, as long as the battery does not break down in the lamps and lanterns, homoenergetic normal work.
The purpose of the utility model is realized like this: a rechargeable fire-fighting emergency lamp adopting two buses for power supply and communication comprises a face frame, a PC board, a circuit board, a battery, a middle shell and a lower shell;
the face frame and the lower shell form a shell structure, and bolts are arranged on two sides of the shell structure;
the battery is arranged in the middle shell, and the battery is connected with the circuit board through an external interface;
the circuit board is embedded in the middle shell and is vertical to the face frame;
the battery is also provided with a battery charging circuit in a matching way.
The battery charging circuit is connected with the battery, and the battery charging circuit adopts constant current or constant voltage to charge the single battery and the boost discharge controller.
The controller provides charging current, an NMOS power tube is arranged in a booster circuit of the controller, and an inductor, a Schottky diode and a capacitor are matched and arranged outside to complete boost output.
The circuit board is a rectangular circuit board structure.
The surface frame is a stainless steel surface frame, the battery is a lithium battery, the middle shell is a plastic shell, and the lower shell is a metal lower shell.
The lamp further comprises a power input and two bus communication circuits.
The power input is two power lines, and the two bus communication circuits transmit and receive data through the power lines.
The input voltage of the power supply input is DC24V or DC 36V.
Compared with the prior art, the utility model relates to an adopt chargeable fire control emergency lighting apparatus of two bus power supply communications has following advantage:
1. the lithium battery is adopted, so that the service life is long, and the lithium battery is safe, environment-friendly and portable;
2. the surface of the lamp adopts a stainless steel structure, so that the structure is reasonable, stable and attractive;
3. two buses are adopted for power supply communication, if the front end has an electrical fault, the lamp can work normally as long as a battery in the lamp does not have a fault, even if a certain lamp has a fault, the problem of the certain lamp is only solved, and the evacuation of the whole building is not influenced; the concentrated power supply type system has strict requirements, safe voltage is required to be adopted, the protection level of the lamp is higher, and the protection level of the lamp is required to reach IP65, because in case of fire, a power supply line has the possibility of electric shock easily caused by spraying, but in case of fire with the power supply type system, because a battery in the lamp supplies power in an emergency mode, the voltage of the power supply line is zero, electric shock accidents obviously cannot happen, and safety is guaranteed;
4. the cost of the centralized power supply type system is high, the battery capacity is limited when a customer actually selects the type, the number of configurable lamps is too small, and if the number of the lamps is too large, a plurality of centralized power supplies are required to be selected; the utility model adopts two buses for power supply and communication, thereby reducing the cost and having flexible configuration;
to sum up, the utility model relates to an adopt chargeable fire control emergency lighting apparatus of two bus power supply communications safer, rational in infrastructure, the safety risk is little.
Drawings
Fig. 1 is a schematic structural view of the rechargeable fire-fighting emergency lamp using two-bus power supply communication of the present invention.
Fig. 2 is a schematic circuit diagram of a rechargeable fire-fighting emergency lamp using two-bus power supply communication according to the present invention.
Wherein: 1. a face frame; 2. a PC board; 3. a circuit board; 4. a battery; 5. a middle housing; 6. a lower housing.
Detailed Description
The invention is described below with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-2, a rechargeable fire-fighting emergency lamp adopting two buses for power supply and communication comprises a face frame 1, a PC board 2, a circuit board 3, a battery 4, a middle shell 5 and a lower shell 6;
the face frame 1 and the lower shell 6 form a shell structure, and bolts are arranged on two sides of the shell structure;
the battery 4 is arranged in the middle shell 5, and the battery 4 is connected with the circuit board 3 through an external interface;
the circuit board 3 is embedded in the middle shell 5 and is vertical to the face frame 1;
the battery 4 is also provided with a battery charging circuit in a matching way.
The battery charging circuit is connected with the battery 4, and the battery charging circuit adopts constant current or constant voltage to charge a single battery and a boost discharge controller.
The controller provides charging current, an NMOS power tube is arranged in a booster circuit of the controller, and an inductor, a Schottky diode and a capacitor are matched and arranged outside to complete boost output.
The circuit board 3 is a rectangular circuit board structure.
The face frame 1 is a stainless steel face frame, the battery 4 is a lithium battery, the middle shell 5 is a plastic shell, and the lower shell 6 is a metal lower shell.
In this embodiment, the circuit of the rechargeable fire emergency lamp using two-bus power supply communication of the present invention further includes a power input, a two-bus communication circuit, a battery charging circuit, a voltage reduction circuit, an MCU control circuit, a light source driving circuit, a light source failure detection circuit, and an infrared receiving circuit;
the power supply input is two power lines, the input voltage is DC24V or DC36V, and the two bus communication circuits send and receive data through the power lines.
The battery charging circuit is a lithium battery charging circuit, a controller for charging and boosting discharging a single lithium battery by adopting constant current/constant voltage is used, the controller can provide 1000mA charging current, an NMOS power tube is arranged in the boosting circuit, 5V boosting output can be completed only by an inductor, a Schottky diode and a small amount of capacitors outside, when an output end is connected to a load, the controller can provide a 5V voltage stabilizing source, and the driving capability can reach 1A. The booster circuit utilizes the storage of energy by the inductor and obtains an output voltage higher than the input voltage through the common discharge effect of the inductor and the input end power supply. The battery can be plugged and used without external keys.
The two bus communication circuits can communicate with a background or a fire-fighting evacuation centralized power control cabinet through a power line to receive or send data.
The voltage reduction circuit reduces the input voltage DC24V or 36V into DC 5V or 3.3V, and supplies power to the MCU, the infrared circuit and the light source driving circuit.
The infrared receiving circuit can receive commands such as infrared transmission communication and control sent by an external encoder to the lamp.
The MCU control circuit controls the on and off of the light source, and meanwhile, the light source fault detection circuit real-timely detects the working state (such as normal, open circuit, short circuit and the like) of the light source and feeds monitoring information back to the MCU, and the MCU judges and reports the received information; under the normal power supply state, a green light emitting diode, namely a main electric indicator lamp in the circuit is normally on; when the circuit is charged, a red light emitting diode, namely a charging indicator lamp, in the circuit is always on.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides an adopt chargeable fire control emergency lighting apparatus of two bus power supply communications which characterized in that: the lamp comprises a face frame (1), a PC board (2), a circuit board (3), a battery (4), a middle shell (5) and a lower shell (6);
the face frame (1) and the lower shell (6) form a shell structure, and bolts are arranged on two sides of the shell structure;
the battery (4) is arranged in the middle shell (5), and the battery (4) is connected with the circuit board (3) through an external interface;
the circuit board (3) is embedded into the middle shell (5) and is vertical to the face frame (1);
the battery (4) is also provided with a battery charging circuit in a matching way.
2. The rechargeable fire-fighting emergency lamp adopting the two-bus power supply communication as claimed in claim 1, wherein: the battery charging circuit is connected with the battery (4), and the battery charging circuit adopts constant current or constant voltage to charge a single battery and a boost discharge controller.
3. A rechargeable fire-fighting emergency light fitting adopting two buses for power supply communication according to claim 2, characterized in that: the controller provides charging current, an NMOS power tube is arranged in a booster circuit of the controller, and an inductor, a Schottky diode and a capacitor are matched and arranged outside to complete boost output.
4. The rechargeable fire-fighting emergency lamp adopting the two-bus power supply communication as claimed in claim 1, wherein: the circuit board (3) is a rectangular circuit board structure.
5. The rechargeable fire-fighting emergency lamp adopting the two-bus power supply communication as claimed in claim 1, wherein: the face frame (1) is a stainless steel face frame, the battery (4) is a lithium battery, the middle shell (5) is a plastic shell, and the lower shell (6) is a metal lower shell.
6. The rechargeable fire-fighting emergency lamp adopting the two-bus power supply communication as claimed in claim 1, wherein: the lamp further comprises a power input and two bus communication circuits.
7. The rechargeable fire-fighting emergency lamp adopting two-bus power supply communication as claimed in claim 6, wherein: the power supply input is two power lines, and the two bus communication circuits send and receive data through the power lines.
8. The rechargeable fire-fighting emergency lamp adopting two-bus power supply communication as claimed in claim 7, wherein: the input voltage of the power supply input is DC24V or DC 36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574841.0U CN212377855U (en) | 2020-08-03 | 2020-08-03 | Rechargeable fire-fighting emergency lamp adopting two-bus power supply communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574841.0U CN212377855U (en) | 2020-08-03 | 2020-08-03 | Rechargeable fire-fighting emergency lamp adopting two-bus power supply communication |
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| CN212377855U true CN212377855U (en) | 2021-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103731A1 (en) * | 2021-12-10 | 2023-06-15 | 舒继锋 | Multi-master power supply and communication system, method and device |
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- 2020-08-03 CN CN202021574841.0U patent/CN212377855U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103731A1 (en) * | 2021-12-10 | 2023-06-15 | 舒继锋 | Multi-master power supply and communication system, method and device |
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