CN220290413U

CN220290413U - Lamp box

Info

Publication number: CN220290413U
Application number: CN202321872271.7U
Authority: CN
Inventors: 张祖鹏
Original assignee: Shanghai Tielan Intelligent Technology Co ltd
Current assignee: Shanghai Senergy Information Technology Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-01-02
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a lamp box, which comprises an access port of an external secondary power distribution cabinet, a lamp box intelligent module and a multifunctional ammeter, wherein the access port of the external secondary power distribution cabinet is connected with the multifunctional ammeter, and the multifunctional ammeter is connected with the lamp box intelligent module.

Description

Lamp box

Technical Field

The utility model belongs to the field of lamp box advertisements, and particularly relates to a lamp box.

Background

In the current life, an LED static advertising lamp box (short for lamp box) is often located in a station and a large-scale market with complex environment, such as a railway station, a subway station, a shopping center and other places with large passenger flow, and various faults can cause the lamp box to be extinguished and not work normally, and even cause more serious safety problems. Meanwhile, the number of the lamp boxes in the station is large, the distribution area is wide and scattered, a plurality of workers are needed to check whether the lamp boxes have obvious potential safety hazards one by one every other time period in the past, the state of the lamp boxes is judged to be normal in time, specific operation parameters of the lamp boxes are not explicitly referenced (such as current real-time change, voltage real-time change, lamp box real-time power, lamp box power consumption, whether cable leakage occurs, whether the inside of the lamp boxes is high-temperature or not, and the like), and the specific health state of the lamp boxes is not known. A great deal of manpower and material resources are consumed, and the obtained effect is not very good.

The prior art has the following problems:

1. time and effort are consumed, and energy consumption is difficult to compare with parameter histories of the lamp box

The electricity quantity used by the lamp box needs to be checked on site, so that the energy consumption analysis and comparison of the electricity consumption cannot be well displayed, and the time and effort are consumed;

the working current and the working voltage of the lamp box require working personnel to go to the site to use a universal meter to measure and calculate, so that the historical values are difficult to compare in energy consumption, and the time and the labor are consumed;

2. the prior art has the functional defects that:

the environment temperature in the lamp box cannot be monitored in real time, and the safety problems such as fire disaster and the like can be caused by the fact that the temperature is too high;

the display brightness of the lamp box cannot be automatically adjusted by external ambient illuminance;

the water accumulation in the lamp box cannot be monitored in real time, and excessive water accumulation can cause a series of safety problems such as leakage of the lamp box, damage of components and the like;

the smoke concentration in the lamp box cannot be monitored in real time, and the smoke concentration is monitored to prevent fire;

3. the technology is not realized:

without protective measures, the lamp box is in leakage, overheat, overcurrent and overvoltage, and cannot automatically start the protective measures, and for the parameters, a protective threshold value can be set in a self-defined manner;

the automatic switch function is not arranged on site, and the lamp box is turned on and off at fixed time and fixed point;

without a remote timing switch technology, a worker cannot remotely command and operate the lamp box in an office, and manpower and material resources cannot be effectively saved.

Disclosure of Invention

In order to solve the problems, the utility model provides a lamp box, which comprises the following specific technical scheme:

the utility model provides a lamp house, includes access opening and lamps and lanterns of outside second grade switch board, still includes lamp house intelligent module, multi-functional ammeter is connected to the access opening of outside second grade switch board, and multi-functional ammeter connects lamp house intelligent module.

As a further improvement, it is characterized in that: the lamp box intelligent module is connected with the internet of things platform.

The 4G card and the wired LAN are supported in the aspect of docking the lamp box intelligent module with the platform of the Internet of things; the RS-485 and Modbus protocols are supported in terms of device communication connections. The lamp box intelligent module technology has the advantages that: all communication parameters, safety parameters and the like in the lamp box are integrated together and are uniformly managed by the lamp box intelligent module, the platform of the Internet of things only needs to interact with the lamp box intelligent module, and then the lamp box intelligent module issues instructions of the platform.

As a further improvement, it is characterized in that: the back of the multifunctional ammeter is connected with a 24V direct current power supply converter.

Converting 220V alternating current into 0-24V direct current, and providing the direct current for the lamp.

As a further improvement, it is characterized in that: and the back of the 24V direct current power supply converter is connected with a dimming power supply.

The RS-485 signal is transmitted between the lamp box intelligent module and the dimming power supply, so that an instruction is given to the dimming power supply through the lamp box intelligent module, and the voltage is controlled to increase or decrease the brightness of the lamp.

As a further improvement, it is characterized in that: the lamp box intelligent modules are connected in series with the input interface of the multifunctional ammeter.

The lamp box intelligent module needs to integrate unified management parameters and control, when the lamp box is powered off, the lamp box intelligent module can also control the lamp box to be started, so that a power line of the lamp box intelligent module is connected in series with an input interface of an ammeter, and two devices are connected through an RS-485 interface Modbus protocol for reading the parameters and controlling the ammeter switch.

As a further improvement, it is characterized in that: and the dimming power supply is in communication connection with the lamp box intelligent module.

The intelligent lamp box module needs to remotely adjust the light of the lamp in the lamp box. The selected dimming power supply is a Modbus protocol supporting an RS-485 interface, the dimming power supply is in communication connection with the module, the Internet of things platform sends an instruction to the lamp box intelligent module through the ModbusTCP/RTU protocol, and the module receives the instruction through a 4G wireless network or a LAN port, so that the instruction is sent to the dimming power supply, and the brightness of the lamp is adjusted.

As a further improvement, it is characterized in that: the intelligent lamp box module is externally connected with a temperature sensor.

The temperature change in the lamp box is monitored in real time, parameters are uploaded to the intelligent lamp box module through the Modbus protocol, and the excessively high or excessively low temperature is problematic, so that the normal use of the lamp box is not facilitated. And when the threshold is reached, a signal of 0 is sent to power off the contactor through the DI interface, and the lamp box intelligent module executes alarming operation to inform staff of processing the problem.

As a further improvement, it is characterized in that: the intelligent lamp box module is externally connected with a water immersion sensor.

And the water leakage condition is judged by detecting the change of the resistance. When water penetrates into the resistive sensor, the magnitude of the internal resistance of the sensor is changed, thereby generating an electrical signal, which is transmitted to the reading device for processing. And uploading the lamp box intelligent module through a Modbus protocol, and setting a water logging threshold in the lamp box intelligent module. When the threshold value is reached, the contactor is powered off by sending a signal of 0 through the DI interface, and the lamp box intelligent module gives an alarm to inform staff of processing the problem.

As a further improvement, it is characterized in that: the lamp box intelligent module is externally connected with a smoke sensor.

The smoke concentration in the lamp box is monitored in real time, the data value is uploaded to the module through the Modbus protocol, the value is 0 and unchanged, the value is 1, the lamp box is used for indicating that a fire disaster occurs in the lamp box, the intelligent lamp box module can execute a power-off instruction and send out a primary alarm, and workers can obtain the site situation at the first time of the platform and quickly process the problem.

The utility model has the beneficial effects that: according to the lamp box, the intelligent lamp box module is in butt joint with the platform of the Internet of things, so that the condition of lamp box parameters can be checked remotely, and the lamp box can be controlled.

Convenience: staff can directly look over lamp house state (electric current, voltage, power, total power consumption) through the thing networking platform of computer in the office, need not go to the scene, practiced thrift manpower and materials to a great extent.

Safety: the lamp box intelligent module provides a threshold value of the power parameter, smoke feeling, humidity, water immersion and the like, and once the lamp box parameter reaches the threshold value, the module cuts off the power of the lamp box and gives an alarm to the platform. The staff is required to go to the field investigation problem. The intelligent lamp box management mode greatly increases the safety of lamp box use.

Remote control and timing control: through lamp house intelligent module, can be on the platform remote adjustment lamp house luminance and control switch. The lighting box can be automatically opened and closed at a certain time. The energy consumption is reduced and the service life of the lamp box is prolonged.

Drawings

FIG. 1 is a circuit diagram of a conventional LED advertising light box in the market;

FIG. 2 is a circuit diagram of the structure of the present utility model;

FIG. 3 is an I-V curve of an LED power supply.

Description of the embodiments

The present utility model will be further described in detail with reference to the drawings and examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The traditional common LED advertising lamp box has the structure shown in figure 1, and supplies power to the internal lamp tube through the 24V power converter, so that the brightness of the lamp tube cannot be regulated, various power parameters and safety parameters cannot be monitored, and the function is single.

The embodiment provides a lamp box, concrete circuit structure is as shown in fig. 2, including the access port and the lamps and lanterns of outside second grade switch board, still include lamp box intelligent object 1, multi-functional ammeter 2 is connected to the access port of outside second grade switch board, lamp box intelligent object 1 is connected to multi-functional ammeter 2, the thing networking platform is connected to lamp box intelligent object 1, 24V DC power supply converter 3 is connected at the multi-functional ammeter 2 back, 24V DC power supply converter 3 is connected at the back and is dimmed power supply 4, later connects lamps and lanterns, and lamps and lanterns are the LED board generally, lamp box intelligent object 1 is in multi-functional ammeter 2's input interface establishes ties, connects 24V DC power supply converter 3 on the circuit, dimming power supply 4 and lamp box intelligent object 1 communication connection, external temperature sensor 5, water sensor 6, smoke transducer 7 and luminance sensor 8 of lamp box intelligent object 1.

In this embodiment, the multifunctional ammeter 2 is an ARCM310 single-phase ammeter with an RS-485 interface acrel, the current, the voltage, the leakage current and the cable temperature of the upper power supply are calculated, real-time power and active total electric energy are calculated, and the data are connected into a lamp box intelligent module. Built-in over/under voltage protection function, overload protection function, over temperature protection function and leakage protection function. When the data detected by the product reaches a protection value, an audible and visual alarm is sent out, and the brake can be opened for protection. The Modbus-RTU protocol of the RS-485 interface is used for transmitting data to the lamp box intelligent module 1, the intelligent module 1 is used for converting and uploading the data to the Internet of things platform, so that various power parameter values of the lamp box and thresholds of safety protection measures can be seen remotely, meanwhile, an instruction can be given to set the thresholds and a remote control switch instruction can be given through the Internet of things platform, the lamp box is powered off in a certain time period, and energy consumption is reduced.

In this embodiment, 220V ac is converted into 0-24V dc, and then connected to the dimming power supply 4, and then connected to the lamp, so that the voltage can be controlled by adjusting the dimming power supply 4, and further the brightness of the lamp (i.e. LED board) is changed, and the dimming power supply 4 is connected to the lamp box intelligent module 1, so that the brightness of the lamp can be remotely controlled.

The intelligent lamp box module 1 is connected to temperature sensor 5, water logging sensor 6, smoke transducer 7 and luminance sensor 8, can carry out real-time supervision to temperature, water logging, smog, the ambient illuminance in the lamp house, and then knows the situation in the lamp house in real time. The smoke concentration in the lamp box is monitored, the data value is uploaded to the intelligent lamp box module 1 through the Modbus protocol, the value is 0, no change exists, the value is 1, the lamp box intelligent module 1 can execute a power-off instruction and send out a primary alarm, workers can obtain the site situation at the first time of the Internet of things platform, and the problem is rapidly solved; the water immersion sensor 6 detects the change of the resistance to determine the water level. When water penetrates into the resistive sensor, the magnitude of the internal resistance of the sensor is changed, thereby generating an electrical signal, which is transmitted to the reading device for processing. And uploading the lamp box intelligent module 1 through a Modbus protocol, and setting a water logging threshold in the lamp box intelligent module 1. When the threshold value is reached, a signal of 0 is sent through the DI interface to power off the contactor, and the lamp box intelligent module 1 gives an alarm to inform staff of processing the problem; the temperature change in the lamp box is monitored, parameters are uploaded to the intelligent lamp box module 1 through the Modbus protocol, and the excessive high or the excessive low temperature is problematic, so that the normal use of the lamp box is not facilitated. The light box intelligent module 1 is provided with an over-high threshold value and an over-low threshold value, when the threshold value is reached, a signal of 0 is sent through the DI interface to power off the contactor, the light box intelligent module 1 executes alarming operation, and staff is informed of processing problems; the brightness of the environment at the lamp box body can be known through ambient illuminance monitoring, and then an instruction is issued to the lamp box intelligent module 1 through the internet of things platform according to the brightness, so that the dimming power supply is controlled again, and the brightness of the lamp is controlled.

The user can conveniently see the current real-time lamp box electric parameter data through the mobile phone client or the computer webpage. When ammeter or sensor data are unusual, can send alarm information to the platform through lamp house intelligent object 1, lamp house intelligent object 1 can cut off the ammeter upper end power supply through DO interface contact disconnection simultaneously.

According to the lamp box, the lamp box intelligent module is in butt joint with the platform of the Internet of things, so that a series of parameters of the lamp box can be remotely checked, and the lamp box can be controlled and adjusted in real time.

Staff can directly look over lamp house state (electric current, voltage, power, total power consumption) through the thing networking platform of computer in the office, need not go to the scene, practiced thrift manpower and materials to a great extent, brought very big facility.

The lamp box intelligent module provides a threshold value of the power parameter, smoke feeling, humidity, water immersion and the like, and once the lamp box parameter reaches the threshold value, the module cuts off the power of the lamp box and gives an alarm to the platform. The staff is required to go to the field investigation problem. The intelligent lamp box management mode greatly increases the safety of lamp box use.

Through lamp house intelligent module, can be on the platform remote adjustment lamp house luminance and control switch. The lighting box can be automatically opened and closed at a certain time. The energy consumption is reduced and the service life of the lamp box is prolonged.

Claims

1. The utility model provides a lamp house, includes the access mouth and the lamps and lanterns of outside second grade switch board, its characterized in that: still include lamp house intelligent module, multi-functional ammeter is connected to the access opening of outside second grade switch board, and multi-functional ammeter connects lamp house intelligent module.

2. A light box as defined in claim 1, wherein: the lamp box intelligent module is connected with the internet of things platform.

3. A light box as defined in claim 1, wherein: the back of the multifunctional ammeter is connected with a 24V direct current power supply converter.

4. A light box according to claim 3, characterized in that: and the back of the 24V direct current power supply converter is connected with a dimming power supply.

5. A light box as defined in claim 1, wherein: the lamp box intelligent modules are connected in series with the input interface of the multifunctional ammeter.

6. A light box as defined in claim 4, wherein: and the dimming power supply is in communication connection with the lamp box intelligent module.

7. A light box as defined in claim 1, wherein: the intelligent lamp box module is externally connected with a temperature sensor.

8. A light box as defined in claim 1, wherein: the intelligent lamp box module is externally connected with a water immersion sensor.

9. A light box as defined in claim 1, wherein: the lamp box intelligent module is externally connected with a smoke sensor.