CN111342524A - Mobile lighting device - Google Patents

Abstract

The invention discloses a mobile lighting device which comprises a vehicle-mounted generator set, a lithium ion battery pack, a lighting load and an automatic control system, wherein the vehicle-mounted generator set is connected with the lithium ion battery pack through a first power line and can charge the lithium ion battery pack, the lithium ion battery pack is connected with the lighting load through a second power line and can provide power for the lighting load, the automatic control system is connected with the vehicle-mounted generator set through a first control line and is connected with the lighting load through a second control line, a timing module is arranged in the automatic control system, the automatic control system automatically opens and closes the lighting load through the time set by the timing module, and meanwhile, a starting loop of the vehicle-mounted generator set is cut off or connected. The mobile lighting device is powered by the lithium ion battery pack for lighting at night, can avoid noise generation and pollution emission, is energy-saving and environment-friendly, has long maintenance period, is convenient and stable to operate, and prolongs the service life.

Description

A mobile lighting device

technical field

The present invention relates to a mobile lighting device, in particular to a mobile lighting device powered by a vehicle-mounted lithium-ion battery pack.

Background technique

At present, with the improvement of mining technology and mining efficiency, it is often necessary to carry out construction operations at night. In workplaces without electric lighting, lighting equipment is required for night work, such as coal mining areas, power plant maintenance operation areas, etc. The night lighting equipment uses a vehicle-mounted generator to supply power to the lighting. During construction at night, the diesel generator set works all the time, and the energy consumption is very large. Due to its large vibration and unstable voltage during operation, the life of the lamps is shortened, and the diesel engine Working at full load all the time, the failure rate is high, and the maintenance period is short, which increases the cost and reduces the service life. In addition, diesel generator sets are noisy when working at night, and the pollution and emissions are very serious, which has a serious impact on the lives of surrounding residents. Therefore, there is an urgent need for a mobile lighting device that is energy-saving, environmentally friendly, easy to operate and stable.

SUMMARY OF THE INVENTION

In view of this, the main purpose of the present invention is to provide a mobile lighting device that is energy-saving, environmentally friendly, convenient and stable to use.

In order to achieve the above object, the present invention provides a mobile lighting device, which includes a vehicle-mounted generator set, a lithium-ion battery pack, a lighting load and an automatic control system, wherein the vehicle-mounted generator set is connected to the lithium-ion battery pack through a first power line, and can charge the lithium-ion battery pack, the lithium-ion battery pack is connected to the lighting load through a second power line, and can provide power for the lighting load, and the automatic control system is connected to the vehicle-mounted vehicle through a first control line A generator set, the automatic control system is connected to the lighting load through a second control line, the automatic control system is provided with a timing module, and the automatic control system automatically turns off the lighting load through the time set by the timing module, At the same time, the starting circuit of the vehicle-mounted generator set is turned on, or the automatic control system automatically turns on the lighting load through the time set by the timing module, and simultaneously cuts off the start-up circuit of the vehicle-mounted generator set.

The mobile lighting device further includes a battery management system, the battery management system is connected to the lithium-ion battery pack through a third control line, the battery management system is connected to the vehicle-mounted generator set through a fourth control line, and the battery management system Through interactive communication with the automatic control system through a data line, the battery management system can respectively control the opening and closing of the discharge circuit of the lithium-ion battery pack and the charging circuit of the vehicle-mounted generator set.

The lithium-ion battery pack is provided with a power monitoring circuit and a voltage monitoring circuit, and the voltage monitoring circuit and the power monitoring circuit are connected to the battery management system through another data line.

The lithium-ion battery pack is provided with a temperature sensor for monitoring the temperature of the battery, and the temperature sensor is connected to the battery management system.

The automatic control system is provided with a manual module, which controls and cuts off the starting circuit of the vehicle-mounted generator set.

The automatic control system is provided with an emergency module, and the vehicle-mounted generator set is connected to the lighting load through a third power line and can supply power to the lighting load.

A rectifier is provided on the third power line.

An alarm is provided on the lithium-ion battery pack.

The battery management system and the automatic control system are connected with a display screen, which is used to display the remaining power, voltage, temperature and current time of the lithium-ion battery in real time.

The lighting loads are LED lamps.

The mobile lighting device of the present invention is charged by the on-board generator set to the lithium-ion battery pack during the day, and powered by the lithium-ion battery pack for lighting at night. Short working time, long maintenance period, stable voltage after the lamp is powered by lithium-ion battery, prolonging the life of the lamp, convenient and stable operation, prolonging the service life and reducing the cost.

Description of drawings

Fig. 1 is the structural principle block diagram of the mobile lighting device of the present invention;

FIG. 2 is a structural principle block diagram of another embodiment of the mobile lighting device of the present invention;

FIG. 3 is a structural principle block diagram of another embodiment of a mobile lighting device according to the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 , the mobile lighting device of the present invention includes an on-board generator set 1 , a lithium-ion battery pack 2 , a lighting load 3 and an automatic control system 4 , wherein the on-board generator set 1 is connected to the lithium-ion battery pack 2 through a first power line p1 , and can charge the lithium-ion battery pack 2, the lithium-ion battery pack 2 is connected to the lighting load 3 through the second power line p2, and can provide power for the lighting load 3, and the automatic control system 4 is connected to the vehicle-mounted generator set 1 through the first control line c1. , the automatic control system 4 is connected to the lighting load 3 through the second control line c2, the automatic control system 4 is provided with a timing module 40, and through the time set by the timing module 40, the automatic control system 4 controls to turn off the lighting load 3, and at the same time automatically controls The system 4 connects the starting circuit of the on-board generator set 1 , or the automatic control system 4 controls the lighting load 3 to be turned on, and at the same time, the automatic control system 4 cuts off the starting circuit of the on-board generator set 1 .

In the mobile lighting device of the present invention, the timing module 40 in the automatic control system 4 sets the time through the program. During the daytime, the automatic control system 4 automatically turns off the lighting load 3 through the second control line c2, while the automatic control system 4 automatically switches off the lighting load 3 through the first control line c2. The control line c1 is connected to the starting circuit of the on-board generator set 1, and the on-board generator set 1 charges the lithium-ion battery pack 2 through the power line p1. When working at night, the automatic control system 4 cuts off the starting circuit of the on-board generator set 1 through the first control line c1, and at the same time the automatic control system 4 automatically turns on the lighting load 3 through the second control line c2, and the lithium-ion battery pack 2 is the lighting load 3. Electricity and lighting.

As shown in FIG. 2 , in order to enable the mobile lighting device of the present invention to be effectively and intelligently controlled, the mobile lighting device further includes a battery management system 5 , and the battery management system 5 is connected to the lithium-ion battery pack 2 through the third control line c3 . The system 5 is connected to the vehicle-mounted generator set 1 through the fourth control line c4, and the battery management system 5 and the automatic control system 4 communicate with each other through the data line d1.

When the mobile lighting device of the present invention works during the day, the automatic control system 4 automatically turns off the lighting load 3 through the second control line c2, and the automatic control system 4 connects the starting circuit of the vehicle-mounted generator set 1 through the first control line c1, and at the same time automatically controls The system 4 transmits the time signal to the battery management system 5 through the data line d1, and the battery management system 5 controls the lithium-ion battery pack 2 to disconnect the discharge circuit through the third control line c3 according to the time signal. The control line c4 closes the charging circuit of the on-board generator set 1, and the on-board generator set 1 charges the lithium-ion battery pack 2 through the power line p1. When the lithium-ion battery pack 2 is fully charged, the battery management system 5 disconnects the charging circuit of the on-board generator set 1 through the fourth control line c4, and at the same time the battery management system 5 transmits the full charge signal to the automatic control system 4 through the data line d1, and automatically The control system 4 cuts off the starting circuit of the vehicle-mounted generator set 1 through the control line c1, so as to prevent the vehicle-mounted generator set 1 from working all the time.

When the mobile lighting device of the present invention works at night, the automatic control system 4 automatically turns on the lighting load 3 through the second control line c2, and the automatic control system 4 cuts off the starting circuit of the on-board generator set 1 through the first control line c1 to prevent the on-board generator set. 1 start; at the same time, the automatic control system 4 transmits the time signal to the battery management system 5 through the data line d1, and the battery management system 5 controls the lithium-ion battery pack 2 to close the discharge circuit through the third control line c3 according to the time signal, and the lithium-ion battery The group 2 supplies power to the lighting load 3 through the power line p2 to provide lighting for the construction site.

The lithium-ion battery pack 2 in the present invention is provided with a power monitoring circuit 20 and a voltage monitoring circuit 21. The voltage monitoring circuit 21 and the power monitoring circuit 20 are connected to the battery management system 5 through another data line d2. The power monitoring circuit 20 and the voltage monitoring circuit 20 are connected to the battery management system 5. The circuit 21 can monitor the power and voltage of the single battery respectively, and transmit the monitoring data to the battery management system 5 through the data line d2. When the power and voltage of the lithium-ion battery pack 2 are lower than a certain value during the power supply process, the battery management system 5 controls the lithium-ion battery pack 2 to disconnect the discharge circuit through the third control line c3, so that the lithium-ion battery pack 2 no longer performs power supply work . The lithium-ion battery pack 2 in the present invention is further provided with a temperature sensor 22, and the temperature sensor 22 is connected to the battery management system 5 through the data line d2. , the battery management system 5 controls the lithium-ion battery pack 2 to disconnect the discharge circuit through the third control line c3, so that the lithium-ion battery pack 2 no longer supplies power. When the lithium-ion battery pack 2 is charging, the temperature of the lithium-ion battery is too high for some reason, the battery management system 5 disconnects the charging circuit of the on-board generator set 1 through the fourth control line c4, and the battery management system 5 It is transmitted to the automatic control system 4 through the data line d1, and the automatic control system 4 cuts off the starting circuit of the on-board generator set 1 through the control line c1, so that the on-board generator set 1 stops running, and the lithium-ion battery pack 2 is no longer charged.

Since the lithium-ion battery pack 2 or the on-board generator set 1 or other components in the present invention may be at a certain time during the day or night, since the timing module 40 of the automatic control system 4 is a fixed time period and time set by the program Therefore, the automatic control system 4 in the present invention is also provided with a manual module 41, as shown in FIG. Manual control cuts off the starting circuit of the on-board generator set 1, so that the on-board generator set 1 stops working immediately, and the on-board generator set 1 or the lithium-ion battery pack 2 is repaired. When the fault is eliminated, the automatic mode can be activated, that is, the timing module is activated, and the mobile lighting device enters the automatic operation mode, automatically continues charging and ends charging.

As shown in FIG. 3 , an emergency module 42 is also provided in the automatic control system 4 of the present invention, and the on-board generator set 1 is connected to the lighting load 3 through the third power line p3. When the lithium-ion battery pack 2 supplies power to the lighting load 3 at night When a fault occurs, the emergency module 42 is activated, and the automatic control system 4 connects the power supply circuit of the on-board generator set 1 through the first control line c1, so that the on-board generator set 1 supplies power to the lighting load 3 through the third power line p3 to provide emergency lighting. At the same time, the battery management system 5 controls the lithium-ion battery pack 2 to disconnect the discharge circuit. After the fault is eliminated, restart the timing module, and the mobile lighting device enters the automatic operation mode, and continues to be powered and illuminated by the lithium-ion battery pack 2, or maintenance is performed during the day. In the present invention, the lithium ion battery pack 2 can be provided with an alarm 23, and when the lithium ion battery pack 2 fails, the alarm device 23 gives an alarm, so as to make workers respond in time.

If the lighting load 3 in the present invention needs DC power supply, a rectifier 6 (as shown in FIG. 3 ) can be set on the third power line p3 to rectify the AC power output by the on-board generator set 1. If the lighting load 3 needs AC power supply, An inverter (not shown in the figure) may be provided on the second power line p2. The mobile lighting device of the present invention also includes a display screen 7, which is respectively connected to the battery management system 5 and the automatic control system 4 through a data cable for displaying the remaining power, voltage, temperature and current time of the lithium-ion battery in real time. The lighting load in the present invention can be an LED lamp, and the battery management system in the present invention is a commercially available product, which is not repeated here.

The mobile lighting device of the present invention can be installed on a flatbed trolley and can move freely. The on-board generator set is driven by a diesel motor. Since the mobile lighting device is powered by a lithium-ion battery pack for lighting at night, the on-board generator set does not work, which can avoid noise and pollution. Emissions, energy saving and environmental protection. During the day, the on-board generator set only needs to charge the lithium-ion battery pack for 3-5 hours to be fully charged, and it will not be in working condition all the time. Therefore, the on-board generator set has a long maintenance period, prolongs the service life and reduces the cost. Since the mobile lighting device of the present invention can move freely, it can be used in working environments such as mining and construction sites to provide lighting for construction sites, and can also be used in shelter hospitals to provide temporary power for equipment and instruments.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (10)

1. A mobile lighting device, characterized in that it comprises an on-board generator set, a lithium-ion battery pack, a lighting load and an automatic control system, and the on-board generator set is connected to the lithium-ion battery pack through a first power line, and can Charge the lithium-ion battery pack, the lithium-ion battery pack is connected to the lighting load through a second power line, and can provide power for the lighting load, and the automatic control system is connected to the vehicle-mounted generator set through a first control line , the automatic control system is connected to the lighting load through a second control line, the automatic control system is provided with a timing module, the automatic control system automatically turns off the lighting load through the time set by the timing module, and simultaneously connects to the lighting load. The starting circuit of the on-board generator set is connected, or the automatic control system automatically turns on the lighting load through the time set by the timing module, and at the same time cuts off the starting circuit of the on-board generator set. 2 . The mobile lighting device according to claim 1 , wherein the mobile lighting device further comprises a battery management system, the battery management system is connected to the lithium-ion battery pack through a third control wire, and the battery management system The on-board generator set is connected through a fourth control line, and the battery management system and the automatic control system communicate with each other through a data line. The battery management system can respectively control the opening and closing of the discharge circuit of the lithium-ion battery pack. and the charging circuit of the on-board generator set. 3 . The mobile lighting device of claim 2 , wherein the lithium-ion battery pack is provided with a power monitoring circuit and a voltage monitoring circuit, and the voltage monitoring circuit and the power monitoring circuit are connected to the battery through another data line. 4 . management system. 4. The mobile lighting device according to claim 1 or 2, wherein the lithium-ion battery pack is provided with a temperature sensor for monitoring battery temperature, and the temperature sensor is connected to the battery management system. 5 . The mobile lighting device according to claim 1 or 2 , wherein a manual module is arranged in the automatic control system, and the manual module controls to cut off the starting circuit of the vehicle-mounted generator set. 6 . 6 . The mobile lighting device according to claim 2 , wherein an emergency module is provided in the automatic control system, and the vehicle-mounted generator set is connected to the lighting load through a third power line and can supply power to the lighting load. 7 . 7. The mobile lighting device according to claim 6, wherein a rectifier is provided on the third power line. 8. The mobile lighting device according to claim 1 or 2, wherein an alarm is provided on the lithium ion battery pack. 9 . The mobile lighting device according to claim 2 , wherein the battery management system and the automatic control system are connected with a display screen, and the display screen is used to display the remaining power, voltage and temperature of the lithium-ion battery in real time. 10 . and the current moment. 10. The mobile lighting device of claim 1, wherein the lighting load is an LED lamp.

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