Grid-connected metering box convenient to monitor

Abstract

The utility model relates to the technical field of grid-connected metering boxes, in particular to a grid-connected metering box convenient to monitor. Comprising a box body, a monitoring assembly used for monitoring parameters of the grid-connected metering box is installed in the box body, a control assembly used for controlling the grid-connected metering box is installed in the box body, and a heat dissipation assembly used for adjusting the temperature of the grid-connected metering box is installed in the box body. The box body is internally provided with a dehumidification assembly used for adjusting the humidity of the grid-connected metering box. According to the utility model, through the arrangement of the monitoring assembly, electrical parameters and environmental parameters of the grid-connected metering box can be monitored in real time, and when the grid-connected metering box is abnormal, a worker can maintain the grid-connected metering box in time, so that the grid-connected metering box is not easy to damage, and the working efficiency is improved. The rapid diagnosis and elimination of faults are facilitated, and the stable operation of the grid-connected metering box is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the grid -connected metering box technical field, especially related to a grid -connected metering box convenient to monitor. BACKGROUND

[0002] The grid -connected metering box is a kind of device for the metering electric energy, it can measure the consumption of electric energy in real time, to realize the metering and charging of electric energy. It is the total body of the necessary metering appliance and auxiliary equipment for metering electric energy, including electric energy meter, metering voltage, current transformer and its secondary circuit, electric energy metering screen, cabinet, box etc. Grid -connected metering box is usually used in photovoltaic power generation system, as the distribution equipment connected between photovoltaic power generation system and step-up transformer or load, for electric energy conversion, distribution and control, and can be installed with metering, protection and other functional components, to protect, meter the total amount of photovoltaic power generation, facilitate fault maintenance management, improve the safety and economic benefit of power generation system.

[0003] The existing grid -connected metering box only provides basic electric energy metering function, lacks comprehensive monitoring capability to voltage, current, power factor and other parameters, so that when grid -connected metering box is abnormal, staff cannot maintain grid -connected metering box in time, so that grid -connected metering box is prone to damage. Therefore, we need to propose a kind of grid -connected metering box convenient to monitor to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of grid -connected metering box convenient to monitor, by the setting of monitoring component, the electrical parameter and environmental parameter of grid -connected metering box can be monitored in real time, when grid -connected metering box is abnormal, staff can maintain grid -connected metering box in time, so that grid -connected metering box is not prone to damage, is favorable to the rapid diagnosis and exclusion of fault, guarantee the stable operation of grid -connected metering box, to solve the problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of grid -connected metering box convenient to monitor, including box, the monitoring component for monitoring the parameter of grid -connected metering box is installed in the box, the control component for controlling grid -connected metering box is installed in the box, the heat dissipation component for temperature regulation of grid -connected metering box is installed in the box, the dehumidification component for humidity regulation of grid -connected metering box is installed in the box, the dehumidification component, heat dissipation component and monitoring component are electrically connected with control component;

[0006] The monitoring assembly comprises a current sensor, a voltage sensor, a temperature sensor and a humidity sensor, the current sensor and the voltage sensor are both installed on the inner wall of one end of the box body, the temperature sensor and the humidity sensor are both installed on the inner walls of two sides of the box body, and the current sensor, the voltage sensor, the temperature sensor and the humidity sensor are all electrically connected with the control assembly.

[0007] Further, the heat dissipation assembly comprises a ventilation hole, the ventilation hole is arranged on the bottom of the box body, and a dust screen is arranged on the ventilation hole.

[0008] Further, the heat dissipation assembly further comprises a heat dissipation fan, the heat dissipation fan is installed in the ventilation hole, and the heat dissipation fan is electrically connected with the control assembly.

[0009] Further, the dehumidification assembly comprises a dehumidifier, the dehumidifier is installed on the inner wall of one side of the box body, and the dehumidifier is electrically connected with the control assembly.

[0010] Further, the control assembly comprises a main control board, the main control board is installed on the inner wall of one end of the box body, and the main control board is electrically connected with the current sensor, the voltage sensor, the temperature sensor, the humidity sensor, the heat dissipation fan and the dehumidifier.

[0011] Further, the control assembly further comprises a multifunctional display screen, and the multifunctional display screen is electrically connected with the main control board.

[0012] Further, support columns are arranged around the bottom of the box body, and fixing pads are arranged at the bottom ends of the support columns.

[0013] The box body has the advantages that:

[0014] The monitoring assembly can be used for monitoring the electrical parameters and the environmental parameters of the grid-connected metering box in real time, the grid-connected metering box can be maintained in time when the grid-connected metering box is abnormal, the grid-connected metering box is not prone to damage, and the stable operation of the grid-connected metering box can be ensured.

[0015] Other features and advantages of the present application will be described in the following description, and some of them will become apparent from the description, or will be understood from the practice of the present application. The purpose and other advantages of the present application can be achieved and obtained through the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described in the following are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Fig. 1 The overall structure schematic diagram according to the embodiment of the present application is shown.

[0018] Fig. 2 The internal structure schematic diagram of the box according to the embodiment of the present application is shown.

[0019] Fig. 3 The bottom structure schematic diagram of the box according to the embodiment of the present application is shown.

[0020] In the figure: 110, box; 120, box door; 130, handle; 140, support column; 150, fixed pad; 210, current sensor; 220, voltage sensor; 230, temperature sensor; 240, humidity sensor; 310, ventilation hole; 320, cooling fan; 330, dust screen; 410, dehumidifier; 420, main control board; 430, multifunctional display screen. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0022] Please refer to Figs. 1-3 The present application provides a technical solution: a grid-connected metering box convenient to monitor.

[0023] The box 110 is provided with a monitoring assembly for monitoring the parameters of the grid-connected metering box, a control assembly for controlling the grid-connected metering box, a heat dissipation assembly for temperature regulation of the grid-connected metering box, and a dehumidification assembly for humidity regulation of the grid-connected metering box. The dehumidification assembly, the heat dissipation assembly and the monitoring assembly are electrically connected with the control assembly.

[0024] The monitoring assembly comprises a current sensor 210, a voltage sensor 220, a temperature sensor 230 and a humidity sensor 240, the current sensor 210 and the voltage sensor 220 are both mounted on the inner wall of one end of the box body 110, the temperature sensor 230 and the humidity sensor 240 are respectively mounted on the inner walls of two sides of the box body 110, and the current sensor 210, the voltage sensor 220, the temperature sensor 230 and the humidity sensor 240 are all electrically connected with the control assembly.

[0025] In use, the current sensor 210, the voltage sensor 220, the temperature sensor 230 and the humidity sensor 240 can monitor the electrical parameters and environmental parameters of the grid-connected metering box in real time, and when the grid-connected metering box abnormally, the staff can timely maintain the grid-connected metering box, so that the grid-connected metering box is not easy to be damaged, which is beneficial to the rapid diagnosis and elimination of faults and guarantees the stable operation of the grid-connected metering box.

[0026] The voltage sensor and the current sensor both adopt high-precision sensors, and the precision is ±0.1%.

[0027] The temperature sensor and the humidity sensor both adopt digital sensors, and the precision is ±0.5℃ and ±2%RH respectively.

[0028] The heat dissipation assembly comprises a ventilation hole 310, the ventilation hole 310 is arranged on the bottom of the box body 110, and a dust screen 330 is arranged on the ventilation hole 310.

[0029] By arranging the ventilation hole 310, the air can flow freely in and out of the box body 110, effectively reducing the temperature in the box body 110, and avoiding the damage of the parts in the box body 110 due to overheating. By arranging the dust screen 330, the dust and impurities in the outside can be prevented from entering the box body 110, and the parts in the box body 110 are prevented from being affected by the dust and impurities.

[0030] The heat dissipation assembly further comprises a heat dissipation fan 320, the heat dissipation fan 320 is mounted in the ventilation hole 310, and the heat dissipation fan 320 is electrically connected with the control assembly.

[0031] By arranging the heat dissipation fan 320, the air flow speed of the box body 110 is increased, so that the heat dissipation speed of the box body 110 is improved. By monitoring the temperature in the box body 110 through the temperature sensor 230, when the temperature in the box body 110 exceeds the set value, the heat dissipation fan 320 starts, so that the heat dissipation efficiency of the box body 110 is improved.

[0032] The dehumidification assembly comprises a dehumidifier 410, the dehumidifier 410 is mounted on the inner wall of one side of the box body 110, and the dehumidifier 410 is electrically connected with the control assembly.

[0033] By setting the dehumidifier 410, the humidity in the box body 110 is reduced, the humidity in the box body 110 is prevented from being too large, the humidity in the box body 110 is maintained within a suitable range, and the parts in the box body 110 are not easily damaged by moisture. The humidity in the box body 110 is monitored by the humidity sensor 240, and when the humidity in the box body 110 exceeds the set value, the dehumidifier 410 is started to reduce the humidity in the box body 110.

[0034] The box body 110 is provided with a box door 120, which is hinged to the box body 110, and the box door 120 is provided with a handle 130.

[0035] By setting the handle 130, the installation of the handle 130 enables maintenance personnel to easily open and close the box door 120 without the need for additional tools or force.

[0036] The control assembly includes a main control board 420 mounted on the inner wall of one end of the box body 110, and the main control board 420 is electrically connected with the current sensor 210, the voltage sensor 220, the temperature sensor 230, the humidity sensor 240, the cooling fan 320 and the dehumidifier 410.

[0037] The control assembly further includes a multifunctional display screen 430 mounted on the box door 120, and the multifunctional display screen 430 is electrically connected with the main control board 420.

[0038] By setting the multifunctional display screen 430, the real-time data and status information of the grid-connected metering box are displayed, and the multifunctional display screen 430 supports touch operation, and users can set parameters and diagnose faults through the touch screen.

[0039] The bottom of the box body 110 is provided with support columns 140 around the periphery, and the bottom end of the support column 140 is provided with a fixed pad 150.

[0040] By setting the support column 140, the box body 110 is stably supported, the weight of the box body 110 is effectively dispersed, and the ground is prevented from being depressed or the box body 110 from being tilted due to the concentration of weight. The fixed pad 150 not only provides stable support for the box body 110, but also protects the ground, avoids scratches or wear caused by direct contact of the box body 110 with the ground, and solves the problems of unstable support and insufficient load bearing.

[0041] Specifically, the internal electrical connection structure of the current sensor 210, the voltage sensor 220, the temperature sensor 230, the humidity sensor 240, the heat dissipation fan 320, the dehumidifier 410, the main control board 420 and the multifunctional display screen 430 is well known to those skilled in the art, and will not be described here. The electrical components appearing in the present application are all externally connected to the power supply when in use.

[0042] The circuits and electrical components and modules involved are all prior art, and those skilled in the art can implement them without further description. The content protected by the present application does not involve improvement of software.

[0043] The control method of the present application is automatically controlled by the controller. The control circuit of the controller can be realized by simple programming by those skilled in the art, and it is common knowledge in the art. Moreover, the present application is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0044] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents. These modifications or replacements do not change the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A grid-tied metering box that facilitates monitoring, characterized by: The utility model provides a kind of integrated metering box, including box (110), monitoring component for monitoring the parameter of grid-connected metering box is installed in the box (110), control component for controlling grid-connected metering box is installed in the box (110), heat dissipation component for temperature regulation of grid-connected metering box is installed in the box (110), dehumidification component for humidity regulation of grid-connected metering box is installed in the box (110), and the dehumidification component, heat dissipation component and monitoring component are electrically connected with control component; The monitoring component includes current sensor (210), voltage sensor (220), temperature sensor (230) and humidity sensor (240), the current sensor (210) and voltage sensor (220) are installed on the inner wall of one end of box (110), the temperature sensor (230) and humidity sensor (240) are installed on the inner wall of both sides of box (110) respectively, and the current sensor (210), voltage sensor (220), temperature sensor (230) and humidity sensor (240) are electrically connected with control component.

2. A grid metering box for ease of monitoring as claimed in claim 1 wherein: The heat dissipation component includes ventilation hole (310), the ventilation hole (310) is opened in the bottom of box (110), and the ventilation hole (310) is provided with dust screen (330).

3. A grid metering box for ease of monitoring as claimed in claim 2 wherein: The heat dissipation component further includes heat dissipation fan (320), the heat dissipation fan (320) is installed in ventilation hole (310), and the heat dissipation fan (320) is electrically connected with control component.

4. A grid metering box for ease of monitoring as claimed in claim 3 wherein: The dehumidification component includes dehumidifier (410), the dehumidifier (410) is installed on the inner wall of one side of box (110), and the dehumidifier (410) is electrically connected with control component.

5. A grid metering box for ease of monitoring as claimed in claim 4 wherein: The control component includes main control board (420), the main control board (420) is installed on the inner wall of one end of box (110), and the main control board (420) is electrically connected with current sensor (210), voltage sensor (220), temperature sensor (230), humidity sensor (240), heat dissipation fan (320) and dehumidifier (410) respectively.

6. A grid metering box for ease of monitoring as claimed in claim 5 wherein: The control component further includes multifunctional display screen (430), and the multifunctional display screen (430) is electrically connected with main control board (420).

7. A grid metering box for ease of monitoring as claimed in claim 6 wherein: The bottom of the box (110) is installed with support column (140) around, and the bottom end of the support column (140) is installed with fixed pad (150).

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