CN214338177U - Emergency lighting centralized power supply - Google Patents

Abstract

The utility model discloses an emergency lighting centralized power supply, it includes the cabinet body and a plurality of lamps and lanterns group, the internal a plurality of terminal that is equipped with of cabinet, the charger, switching power supply, the main control board, a plurality of circuit board and battery, the input of charger is connected through corresponding terminal and external circuit electricity, the output of charger loops through switching power supply and main control board and battery electricity and is connected, the battery is connected with a plurality of lamps and lanterns electricity respectively, the input and the main control board electricity of circuit board are connected, the output and the corresponding lamps and lanterns electricity of circuit board are connected, the outside of the cabinet body is equipped with the display screen, the display screen is connected with the main control board electricity. The utility model has the advantages that: the emergency lighting evacuation system controller is combined with the centralized power supply to realize centralized control and centralized power supply of the emergency lighting lamps; the DC24V is used for safe voltage output, is safe and reliable, provides concentrated power supply, and avoids secondary electric shock accidents in the transmission process of a line.

Description

Emergency lighting centralized power supply

Technical Field

The utility model belongs to the technical field of the relevant technique of emergency lighting and specifically relates to indicate an emergency lighting centralized power supply.

Background

Illumination that is enabled due to a power failure for normal illumination is referred to as emergency illumination. Emergency lighting differs from general lighting in that it includes: standby lighting, evacuation lighting and safety lighting. The conversion time is determined according to actual engineering and relevant specification. Emergency lighting is an important safety facility for modern public and industrial buildings, which is closely related to personal safety and building safety. When a fire or other disasters happen to a building and the power supply is interrupted, emergency lighting plays an important role in evacuation of personnel, fire rescue work, important production, continuous operation of work or necessary operation and disposal.

The traditional centralized power supply for emergency lighting generally adopts AC220V and AC380V high-voltage output modes, and is easy to cause secondary accidents when a fire disaster happens; the inverter has high failure occurrence rate and reduced reliability. In addition, the traditional centralized power supply for emergency lighting generally does not require or pay attention to the protection level, and has poor adaptability to the application occasions with poor environment and high requirements. For example, in a basement with high humidity, the power supply is prone to dewing due to too low protection level, and the service life is shortened. Meanwhile, the efficiency of the emergency lighting centralized power supply is generally low, and energy waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art emergency lighting centralized power supply and take place the not enough of secondary electric shock accident in line transmission process, provide one kind and can avoid taking place the emergency lighting centralized power supply of secondary electric shock accident in the line transmission process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an emergency lighting centralized power supply, it includes the cabinet body and a plurality of lamps and lanterns group, the internal a plurality of terminal, charger, switching power supply, main control panel, a plurality of circuit board and battery of being equipped with of cabinet, the input of charger is connected through corresponding terminal and external circuit electricity, the output of charger loops through switching power supply and main control panel and is connected with the battery electricity, the battery is connected with a plurality of lamps and lanterns electricity respectively, the input and the main control panel electricity of circuit board are connected, the output and the corresponding lamps and lanterns electricity of circuit board are organized and are connected, the outside of the cabinet body is equipped with the display screen, the display screen is connected with the main control panel electricity, the circuit board is total two, the total four of output of circuit board.

The cabinet is internal to be equipped with a plurality of terminal, charger, switching power supply, main control panel, a plurality of circuit board and battery, the input of charger is connected with the external circuit electricity through corresponding terminal, the output of charger loops through switching power supply and main control panel and battery electricity and is connected, the battery is connected with a plurality of lamps and lanterns group electricity respectively, the input and the main control panel electricity of circuit board are connected, the output and the corresponding lamps and lanterns group electricity of circuit board are connected, the outside of the cabinet body is equipped with the display screen, the display screen is connected with the main control panel electricity, total two of circuit board, the total four of output of circuit board. The emergency lighting evacuation system controller is combined with the centralized power supply to realize centralized control and centralized power supply of the emergency lighting lamps; the display screen is connected with the main control panel, has a voice broadcasting function, provides good man-machine interaction, and realizes data acquisition and display and issuing of various commands; the input of the two circuit boards is connected with the main control board, eight power supply circuits are output in total to be connected with the lamp set, each power supply circuit is independent, and when a certain circuit fails, the normal work of other circuits is not influenced; the switch power supply and the charger input AC220V voltage, the output is connected with the main control panel, the charger charges the battery through the main control panel, the switch power supply provides DC24V safe voltage for the lamps and lanterns through the battery, safe and reliable, when providing the concentrated power supply, has reached the purpose that can avoid taking place the secondary electric shock accident in the circuit transmission process.

Preferably, the lamp set is formed by sequentially connecting a plurality of emergency lamps in series. In this scheme, twenty centralized power supply emergency lamps and lanterns can be connected to every power supply circuit at most, and a centralized power supply can connect 180 centralized power supply emergency lamps and lanterns at most, and the practicality is strong.

Preferably, the terminal, the charger, the switching power supply, the main control board, the circuit board and the battery are sequentially distributed in the cabinet body from top to bottom, and are detachably connected with the cabinet body. The design makes the area of the cabinet body little, and the maintainer of being convenient for overhauls.

Preferably, an access door is arranged on the side face of the cabinet body, and the access door is hinged with the cabinet body, so that an access person can conveniently access the access door; the display screen can realize carrying out whole functional test to the emergent lamps and lanterns of concentrated power supply when self-defining, avoids numerous and diverse manual test and maintenance work, the display screen is installed on the access door, does benefit to the maintainer and operates relevant action through the display screen when overhauing, avoids making a round trip to walk about, shortens maintenance time, improves maintenance efficiency.

As preferred, be equipped with the wind channel in the lateral wall of the cabinet body, the one end in wind channel is located the top of the cabinet body and is equipped with air intake one, the wind channel is linked together through air intake one and the inside of the cabinet body, the other end in wind channel is located the bottom of the cabinet body and is equipped with the drain pipe, the wind channel is linked together through the outside of drain pipe and the cabinet body, be equipped with semiconductor refrigerating plant on the wind channel, semiconductor refrigerating plant cover is located on the wind channel, and can dismantle with the wind channel and be connected, be equipped with the exhaust fan on the lateral wall of the cabinet body, the exhaust fan can be dismantled with the lateral wall of the cabinet body and be connected, the exhaust fan is located between semiconductor refrigerating plant and the drain pipe, be equipped with air intake two on the exhaust fan, the exhaust fan is linked together through the inside of air intake two and wind channel. When the internal humidity of cabinet is great, cause the power dewfall easily, the life-span reduces, can bring certain influence even for the circuit, so when ambient humidity is great, it is very necessary to carry out the dehumidification operation to the internal portion of cabinet, the exhaust fan passes through the internal moisture of air intake extraction cabinet this moment, under semiconductor refrigerating plant's effect, the moisture meets the condensation in the wind channel and forms the water droplet to discharge from the drain pipe, the air is discharged through the exhaust fan simultaneously, the purpose of dehumidification has been reached.

Preferably, the inner side wall of the cabinet body is provided with a groove matched with the semiconductor refrigerating device, and the outer side wall of the semiconductor refrigerating device is provided with a plurality of uniformly distributed fins. Semiconductor refrigerating plant makes the moisture condense into the water droplet in to the wind channel internal refrigeration in, gives off the heat to the outside, can give off the heat to the cabinet internal through the fin, heats the internal air of cabinet for it volatilizees through the heating still to be detained at the internal moisture of cabinet, thereby can accelerate getting rid of the moisture, and dehumidification effect is good.

Preferably, the air duct is provided with an electric four-way valve, the inner side wall of the cabinet body is provided with a third air inlet corresponding to the two positions of the air inlet, the air duct is respectively communicated with the second air inlet, the third air inlet and the drain pipe through the electric four-way valve, and the cabinet body is internally provided with a humidity sensor. Under general conditions, the equipment can generate a large amount of heat after running for a long time or in a high-temperature environment, at the moment, the electric four-way valve closes one end of the air duct, which is communicated with the first air inlet, and opens the third air inlet, and the exhaust fan sequentially passes through the second air inlet and the third air inlet to extract high-temperature gas in the cabinet body, so that the temperature in the cabinet body is reduced, and the inside of the cabinet body is well radiated; the equipment is in the humid environment, when humidity sensor senses that the humidity in the cabinet body reaches the set value, the electric four-way valve opens one end of the air channel communicated with the first air inlet and closes the third air inlet, the exhaust fan sequentially passes through the second air inlet and the first air inlet to extract air with certain humidity in the cabinet body, under the action of the semiconductor refrigerating device, moisture meets condensation in the air channel and is condensed into water drops, the water drops are discharged from the drain pipe, meanwhile, the air is discharged through the exhaust fan, and the purpose of dehumidification is finally achieved.

The utility model has the advantages that: the emergency lighting evacuation system controller is combined with the centralized power supply to realize centralized control and centralized power supply of the emergency lighting lamps; the DC24V is used for safe voltage output, so that the device is safe and reliable, and avoids secondary electric shock accidents in the transmission process of a circuit while providing centralized power supply; 4-8 power supply loops are provided, each power supply loop is independent, and when a certain loop breaks down, the normal work of other loops is not influenced; each power supply loop can be connected with 20 centralized power supply emergency lamps at most, and one centralized power supply can be connected with 180 centralized power supply lamps at most; the 7-inch display screen has a voice broadcasting function, and good human-computer interaction is realized; the centralized power supply emergency lamp can be subjected to all functional tests in a self-defined and timed manner, and complicated manual testing and maintenance work is avoided; overhauling by maintainers; the maintenance efficiency is improved; not only can radiate heat, but also can dehumidify, and the dehumidifying effect is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a front view of FIG. 1 with the access door removed;

FIG. 3 is a schematic structural view of the cabinet with air ducts disposed therein;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a circuit diagram of a main control chip;

FIGS. 6 and 7 are circuit diagrams of 3-way RS485 communication circuit of the communication expansion control chip;

FIG. 8 is a diagram of a switching power supply DC output interface and switching circuit;

FIG. 9 is a diagram of a charger DC output interface and switching circuit;

FIG. 10 is a battery interface and battery charge and discharge switching circuit diagram;

FIG. 11 is a relay output circuit diagram;

FIG. 12 is a circuit diagram of the display RS23 power-on and power-supply interface;

FIG. 13 is a circuit diagram of the DC/DC converter DC24V-DC12V-DC 5V-DC3.3V;

FIG. 14 is a circuit diagram of a 2-way fire alarm signal detection circuit;

FIG. 15 is a switching power supply output current detection circuit;

FIG. 16 is a circuit board power switching circuit;

FIG. 17 is an AC input voltage measurement circuit;

FIG. 18 is an AC input current measurement circuit;

FIG. 19 is a circuit diagram of a loop power supply and communication circuit-connected centralized power supply fixture;

FIG. 20 is a 4-way AC power monitoring circuit;

FIG. 21 is a circuit diagram of the DC/DC converter DC24V-DC 5V-DC3.3V.

In the figure: 1. the intelligent cabinet comprises a cabinet body, 2 terminals, 3 chargers, 4 switching power supplies, 5 main control boards, 6 circuit boards, 7 batteries, 8 display screens, 9 access doors, 10 air ducts, 11 air inlets I, 12 drain pipes, 13 semiconductor refrigerating devices, 14 exhaust fans, 15 air inlets II, 16 grooves, 17 fins, 18 electric four-way valves, 19 air inlets III and 20 humidity sensors.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, an emergency lighting centralized power supply includes a cabinet 1 and a plurality of lamp sets, the cabinet 1 is internally provided with a plurality of terminals 2, a charger 3, a switching power supply 4, a main control board 5, a plurality of circuit boards 6 and batteries 7, an input end of the charger 3 is electrically connected with an external circuit through the corresponding terminals 2, an output end of the charger 3 is electrically connected with the batteries 7 through the switching power supply 4 and the main control board 5 in sequence, the batteries 7 are electrically connected with the plurality of lamp sets respectively, an input end of the circuit board 6 is electrically connected with the main control board 5, an output end of the circuit board 6 is electrically connected with the corresponding lamp set, a display screen 8 is arranged on the outer side of the cabinet 1, the display screen 8 is electrically connected with the main control board 5, as shown in fig. 2, the circuit boards 6 have two total, and the total four output ends of the circuit boards 6 are provided. The lamp set is formed by sequentially connecting a plurality of emergency lamps in series. The terminal 2, the charger 3, the switching power supply 4, the main control board 5, the circuit board 6 and the battery 7 are sequentially distributed in the cabinet body 1 from top to bottom, and are detachably connected with the cabinet body 1.

As shown in figure 1, the side of the cabinet body 1 is provided with an access door 9, the access door 9 is hinged with the cabinet body 1, and the display screen 8 is installed on the access door 9.

As shown in fig. 3 and 4, an air duct 10 is disposed in a side wall of the cabinet 1, one end of the air duct 10 is located at the top of the cabinet 1 and is provided with a first air inlet 11, the air duct 10 is communicated with the inside of the cabinet 1 through the first air inlet 11, the other end of the air duct 10 is located at the bottom of the cabinet 1 and is provided with a drain pipe 12, the air duct 10 is communicated with the outside of the cabinet 1 through the drain pipe 12, a semiconductor refrigerating device 13 is disposed on the air duct 10, the semiconductor refrigerating device 13 is sleeved on the air duct 10 and is detachably connected with the air duct 10, an exhaust fan 14 is disposed on a lateral wall of the cabinet 1, the exhaust fan 14 is detachably connected with a lateral wall of the cabinet 1, the exhaust fan 14 is disposed between the semiconductor refrigerating device 13 and the drain pipe 12, a second air inlet 15 is disposed on the exhaust fan 14, and the exhaust fan 14 is communicated with the inside of the air duct 10 through the second air inlet 15.

As shown in fig. 3 and 4, a groove 16 matched with the semiconductor refrigerating device 13 is provided on the inner side wall of the cabinet 1, and a plurality of fins 17 are uniformly distributed on the outer side wall of the semiconductor refrigerating device 13. An electric four-way valve 18 is arranged on the air duct 10, an air inlet III 19 corresponding to the position of the air inlet II 15 is arranged on the inner side wall of the cabinet body 1, the air duct 10 is respectively communicated with the air inlet II 15, the air inlet III 19 and the drain pipe 12 through the electric four-way valve 18, and a humidity sensor 20 is arranged in the cabinet body 1.

Fig. 5 to 21 show schematic circuit diagrams, fig. 5 to 18 show schematic diagrams of the main control board 5, wherein fig. 11 shows a fire alarm relay circuit diagram, a fault relay circuit diagram, an operation relay circuit diagram and a mains supply disconnection relay circuit diagram in sequence from top to bottom, and fig. 19 to 21 show schematic circuit boards. The emergency lighting evacuation system controller is combined with the centralized power supply to realize centralized control and centralized power supply of the emergency lighting lamps; the display screen 8 is connected with the main control panel 5, has a voice broadcasting function, provides good human-computer interaction, and realizes data acquisition and display and issuing of various commands; the running state and the fault of the emergency lamp are automatically and effectively tested and checked in real time; the recording of events and the retrieval of history can be realized; a log may be displayed. Historical events can be viewed on a screen and imported into a computer; the automatic detection is performed at regular time, and the detection period can be performed on the emergency function of the lamp according to the set time; the battery 7 is maintained at regular time, and the service life of the battery 7 can be prolonged by charging and discharging the battery 7 according to set time; the emergency lamp is communicated with the emergency lamp through an RS485 bus, so that the operation is simple and the cost is low; when the controller receives an external fire signal, an emergency state is triggered; the switch power supply 4 and the charger 3 input AC220V voltage, the output is connected with the main control panel 5, the charger 3 charges the battery 7 through the main control panel 5, the switch power supply 4 provides DC24V safe voltage for the lamp through the battery 7, safety and reliability are realized, and secondary electric shock accidents in the line transmission process are avoided while centralized power supply is provided.

The input of the two circuit boards is connected with the main control board 5, eight power supply circuits are totally output to be connected with the lamp set, each power supply circuit is mutually independent, when a certain circuit breaks down, the normal work of other circuits is not influenced, in the scheme, each power supply circuit can be connected with twenty centralized power supply emergency lamps at most, one centralized power supply can be connected with 180 centralized power supply emergency lamps at most, and the practicability is high.

Under general conditions, the equipment can generate a large amount of heat after running for a long time or in a high-temperature environment, at the moment, the electric four-way valve 18 closes one end of the air duct 10, which is communicated with the first air inlet 11, opens the third air inlet 19, and the exhaust fan 14 sequentially passes through the second air inlet 15 and the third air inlet 19 to extract high-temperature gas in the cabinet body 1 so as to reduce the temperature in the cabinet body 1 and enable the interior of the cabinet body 1 to be well radiated; the equipment is in under the humid environment, when humidity sensor 20 senses that the humidity in the cabinet body 1 reaches the set value, electric four-way valve 18 opens the one end that is linked together with air intake one 11 on the wind channel 10, close air intake three 19, exhaust fan 14 loops through air intake two 15 and air intake one 11 and extracts the air that contains certain humidity in the cabinet body 1, under the effect of semiconductor refrigerating plant 13, the moisture meets the condensation in wind channel 10 and forms the water droplet, and discharge from drain pipe 12, the air is discharged through exhaust fan 14 simultaneously, meanwhile, semiconductor refrigerating plant 13 gives off the heat to the outside, can accelerate heat dissipation to the cabinet body 1 in through fin 17, heat the air in the cabinet body 1, make the moisture that still stays in the cabinet body 1 volatilize through the heating, thereby can accelerate the elimination of moisture, except that wet effectual.

Claims (7)

1. An emergency lighting centralized power supply is characterized by comprising a cabinet body (1) and a plurality of lamp sets, wherein the cabinet body (1) is internally provided with a plurality of terminals (2), a charger (3), a switching power supply (4), a main control panel (5), a plurality of circuit boards (6) and a battery (7), the input end of the charger (3) is electrically connected with an external circuit through the corresponding terminals (2), the output end of the charger (3) is electrically connected with the battery (7) through the switching power supply (4) and the main control panel (5) in sequence, the battery (7) is electrically connected with the plurality of lamp sets respectively, the input end of the circuit board (6) is electrically connected with the main control panel (5), the output end of the circuit board (6) is electrically connected with the corresponding lamp sets, a display screen (8) is arranged on the outer side of the cabinet body (1), and the display screen (8) is electrically connected with the main control panel (5), the number of the circuit boards (6) is two, and the number of the output ends of the circuit boards (6) is four.

2. The centralized power supply for emergency lighting according to claim 1, wherein the lamp set comprises a plurality of emergency lamps connected in series.

3. The centralized power supply for emergency lighting according to claim 1 or 2, wherein the terminal (2), the charger (3), the switching power supply (4), the main control board (5), the circuit board (6) and the battery (7) are sequentially distributed in the cabinet body (1) from top to bottom, and are detachably connected with the cabinet body (1).

4. The centralized power supply for emergency lighting according to claim 1 or 2, wherein an access door (9) is arranged on the side surface of the cabinet body (1), the access door (9) is hinged with the cabinet body (1), and the display screen (8) is installed on the access door (9).

5. The centralized power supply for emergency lighting according to claim 1, wherein an air duct (10) is arranged in the side wall of the cabinet body (1), one end of the air duct (10) is located at the top of the cabinet body (1) and is provided with a first air inlet (11), the air duct (10) is communicated with the inside of the cabinet body (1) through the first air inlet (11), the other end of the air duct (10) is located at the bottom of the cabinet body (1) and is provided with a drain pipe (12), the air duct (10) is communicated with the outside of the cabinet body (1) through the drain pipe (12), a semiconductor refrigerating device (13) is arranged on the air duct (10), the semiconductor refrigerating device (13) is sleeved on the air duct (10) and is detachably connected with the air duct (10), an exhaust fan (14) is arranged on the outer side wall of the cabinet body (1), and the exhaust fan (14) is detachably connected with the outer side wall of the cabinet body (1), the exhaust fan (14) is located between the semiconductor refrigerating device (13) and the drain pipe (12), a second air inlet (15) is formed in the exhaust fan (14), and the exhaust fan (14) is communicated with the inside of the air duct (10) through the second air inlet (15).

6. The centralized power supply for emergency lighting according to claim 5, wherein the inner side wall of the cabinet body (1) is provided with a groove (16) matched with the semiconductor refrigerating device (13), and the outer side wall of the semiconductor refrigerating device (13) is provided with a plurality of uniformly distributed fins (17).

7. The emergency lighting centralized power supply according to claim 5 or 6, wherein an electric four-way valve (18) is arranged on the air duct (10), a third air inlet (19) corresponding to the second air inlet (15) is arranged on the inner side wall of the cabinet body (1), the air duct (10) is respectively communicated with the second air inlet (15), the third air inlet (19) and the drain pipe (12) through the electric four-way valve (18), and a humidity sensor (20) is arranged in the cabinet body (1).

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