Wireless communication test platform
By designing a wireless communication testing platform, the problem of the lack of a testing platform for power modules and combiner box intelligent detection units was solved. This enabled real-time monitoring of data such as power, current, and temperature, as well as testing of wireless communication efficiency, ensuring the stable operation of photovoltaic power plants.
Patent Information
- Application Number
- CN202423241500.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing technologies lack dedicated testing platforms for power modules and combiner box intelligent testing units, making it impossible to collect and test wireless communication data.
Design a wireless communication test platform, including a power module, a wireless communication module, a junction box intelligent detection unit, a power supply module, and a communication line, to achieve data transmission and testing through an RS485 communication line and an antenna.
It enables real-time monitoring of data such as power, current, and temperature of power modules and combiner box intelligent detection units, as well as testing of wireless communication efficiency, ensuring the normal operation of photovoltaic power plants.
Smart Images

Figure CN223626004U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of testing device technology, and in particular to a wireless communication testing platform. Background Technology
[0002] The primary function of a power module is to provide a stable power supply for various electronic devices and to offer multiple protection functions. The intelligent detection unit for combiner boxes plays a multifaceted role in photovoltaic (PV) systems. It can monitor data such as power consumption, current, voltage, and temperature at the combiner box level in real time, and feed the monitoring results back to maintenance personnel to help identify and address problems promptly, ensuring the normal operation of the PV power station. As products, power modules and intelligent detection units for combiner boxes require testing. Customers require wireless communication for data collection from these components. However, existing technologies lack dedicated testing platforms for power modules and intelligent detection units for combiner boxes. Therefore, this paper proposes a wireless communication testing platform to address the shortcomings of existing technologies. Utility Model Content
[0003] The purpose of this invention is to provide a wireless communication testing platform to solve the problem that there is no dedicated testing platform for power modules and combiner box intelligent testing units in the existing technology.
[0004] The technical solution of this utility model is: a wireless communication test platform, comprising: a power supply module, a wireless communication module, a junction box intelligent detection unit, a first power supply module, a second power supply module, and a third power supply module; the voltage of the first power supply module is adjustable, and its output terminal is connected to the input terminal of the power supply module; the output terminal of the second power supply module is connected to the input terminal of the wireless communication module.
[0005] The output terminal of the power module is connected to the input terminal of the intelligent detection unit of the combiner box, and the voltage signal output port of the power module is connected to the voltage signal collection port of the intelligent detection unit of the combiner box through a data transmission line.
[0006] The intelligent detection unit of the combiner box is equipped with multiple current sensors, the current of the third power supply module is adjustable, and the output terminal of the third power supply module is connected in series with multiple current sensors.
[0007] The wireless communication module is connected to the intelligent detection unit of the combiner box via a communication line.
[0008] Preferably, the first power supply module includes a first circuit breaker and a DC regulated adjustable power supply. One end of the first circuit breaker is connected to the mains power, and the other end is connected to the DC regulated adjustable power supply. The output end of the DC regulated adjustable power supply is connected to the input end of the power supply module.
[0009] Preferably, the second power supply module includes a second circuit breaker and a switching power supply. One end of the second circuit breaker is connected to the mains power, and the other end is connected to the switching power supply. The output terminal of the switching power supply is connected to the input terminal of the wireless communication module.
[0010] Preferably, the third power supply module includes a third circuit breaker and a stable switching power supply. One end of the third circuit breaker is connected to the mains power, and the other end is connected to the stable switching power supply. The output terminal of the stable switching power supply is connected in series with multiple current sensors.
[0011] Preferably, both the wireless communication module and the intelligent detection unit of the combiner box are equipped with RS485 interfaces, and the two are connected via an RS485 communication cable.
[0012] Preferably, the wireless communication module is provided with an SMA antenna interface for connecting an antenna.
[0013] Preferably, multiple power supply modules, wireless communication modules, and combiner box intelligent detection units are provided, and the number of power supply modules, wireless communication modules, and combiner box intelligent detection units are the same. Each combiner box intelligent detection unit is connected to one power supply module and one wireless communication module. The output terminal of the stable switching power supply is connected in series with multiple current sensors of multiple combiner box intelligent detection units.
[0014] Compared with the prior art, the advantages of this utility model are:
[0015] This utility model discloses a wireless communication test platform. The intelligent detection unit of the combiner box transmits the voltage signal collected from the power module and the current data detected by the current sensor to the wireless communication module via an RS485 communication line. The wireless communication module then transmits the information collected from the intelligent detection unit of the combiner box to the wireless base station via an antenna. The DC regulated adjustable power supply and the stable switching power supply provide the test platform with a simulated voltage and current signal to perform functional tests on the power module and the intelligent detection unit of the combiner box, and at the same time, can also test the transmission efficiency of the wireless communication module. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0017] Figure 1 This is a circuit diagram of a wireless communication test platform described in this embodiment.
[0018] Figure 2 for Figure 1 Enlarged structural diagram at point A;
[0019] Figure 3 for Figure 1 Enlarged structural diagram at point B;
[0020] Figure 4 for Figure 1 A magnified structural diagram at point C.
[0021] The components include: 1. Power supply module, 2. Wireless communication module, 3. Combiner box intelligent detection unit, 4. First circuit breaker, 5. DC regulated adjustable power supply, 6. Second circuit breaker, 7. Switching power supply, 8. Third circuit breaker, 9. Stable switching power supply, and 10. Current sensor. Detailed Implementation
[0022] The present invention will be further described in detail below with reference to specific embodiments:
[0023] In the description of the utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.
[0024] like Figure 1 As shown, a wireless communication test platform includes: a power module 1 (such as...) Figure 2 (as shown), wireless communication module 2 (as shown) Figure 3 (as shown), combiner box intelligent detection unit 3 (such as) Figure 4 As shown), there are a first power supply module, a second power supply module, and a third power supply module. In this embodiment, there are seven power supply modules 1, seven wireless communication modules 2, and seven intelligent detection units 3 in the combiner box. The number of power supply modules 1, wireless communication modules 2, and intelligent detection units 3 is the same. Each intelligent detection unit 3 is connected to one power supply module 1 and one wireless communication module 2. The first power supply module supplies power to all seven power supply modules 1 simultaneously, the second power supply module supplies power to all seven wireless communication modules 2 simultaneously, and the seven power supply modules 1 supply power to the seven intelligent detection units 3 in the combiner box.
[0025] Furthermore, the voltage of the first power supply module is adjustable, and its output is connected to the input of the power supply module 1; the output of the second power supply module is connected to the input of the wireless communication module 2; the output of the power supply module 1 is connected to the input of the combiner box intelligent detection unit 3, and the voltage signal output port of the power supply module 1 is connected to the voltage signal collection port of the combiner box intelligent detection unit 3 via a data transmission line; the combiner box intelligent detection unit 3 is equipped with multiple current sensors 10, the current of the third power supply module is adjustable, and the output of the third power supply module is connected in series with multiple current sensors 10. In this embodiment, the current sensors 10 are Hall current sensors; in this embodiment, the output of the stable switching power supply 9 is connected in series with 20 current sensors 10 from 7 combiner box intelligent detection units 3. The wireless communication module 2 is connected to the combiner box intelligent detection unit 3 via a communication line.
[0026] The first power supply module includes a first circuit breaker 4 and a DC regulated adjustable power supply 5. One end of the first circuit breaker 4 is connected to the mains power, and the other end is connected to the DC regulated adjustable power supply 5. The output terminal of the DC regulated adjustable power supply 5 is connected to the input terminal of the power supply module 1. The DC regulated adjustable power supply 5 converts the AC220V mains power into DC0V-1500V to supply the power supply module 1. In this embodiment, the operating voltage of the power supply module 1 is DC300V-1500V. The power supply module 1 converts the DC300V-1500V voltage into DC5V to power the intelligent detection unit 3 of the combiner box.
[0027] The second power supply module includes a second circuit breaker 6 and a switching power supply 7. One end of the second circuit breaker 6 is connected to the mains power, and the other end is connected to the switching power supply 7. The output terminal of the switching power supply 7 is connected to the input terminal of the wireless communication module 2. The switching power supply 7 converts AC220V to DC12V to supply power to the wireless communication module 2.
[0028] The third power supply module includes a third circuit breaker 8 and a stable switching power supply 9. One end of the third circuit breaker 8 is connected to the mains power, and the other end is connected to the stable switching power supply 9. Multiple current sensors 10 are connected in series at the output terminal of the stable switching power supply 9. The stable switching power supply 9 can provide an adjustable current of 0A-30A.
[0029] Both the wireless communication module 2 and the combiner box intelligent detection unit 3 are equipped with RS485 interfaces and are connected via an RS485 communication cable. The combiner box intelligent detection unit 3 transmits the voltage signal collected from the power module 1 and the current data detected by the current sensor 10 to the wireless communication module 2 via the RS485 communication cable. In this embodiment, the wireless communication module 2 is a LORA slave data acquisition device; the wireless communication module 2 is equipped with an SMA antenna interface for connecting an antenna, and the wireless communication module then transmits the information collected from the combiner box intelligent detection unit 3 to the LORA wireless base station via the antenna.
[0030] In this embodiment, the DC regulated adjustable power supply 5 and the stable switching power supply 9 provide the test platform with a simulated voltage and current signal, which performs functional tests on the power module 1 and the combiner box intelligent detection unit 3, and also tests the transmission efficiency of the wireless communication module 2.
[0031] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and therefore, all changes falling within the meaning and scope of the equivalents of the claims are intended to be included within this utility model.
Claims
1. A wireless communication testing platform, characterized in that, include: Power supply module, wireless communication module, combiner box intelligent detection unit, first power supply module, second power supply module, third power supply module; The voltage of the first power supply module is adjustable, and its output terminal is connected to the input terminal of the power supply module; the output terminal of the second power supply module is connected to the input terminal of the wireless communication module. The output terminal of the power module is connected to the input terminal of the intelligent detection unit of the combiner box, and the voltage signal output port of the power module is connected to the voltage signal collection port of the intelligent detection unit of the combiner box through a data transmission line. The intelligent detection unit of the combiner box is equipped with multiple current sensors, the current of the third power supply module is adjustable, and the output terminal of the third power supply module is connected in series with multiple current sensors. The wireless communication module is connected to the intelligent detection unit of the combiner box via a communication line.
2. The wireless communication test platform according to claim 1, characterized in that: The first power supply module includes a first circuit breaker and a DC regulated adjustable power supply. One end of the first circuit breaker is connected to the mains power, and the other end is connected to the DC regulated adjustable power supply. The output end of the DC regulated adjustable power supply is connected to the input end of the power supply module.
3. The wireless communication testing platform according to claim 1, characterized in that: The second power supply module includes a second circuit breaker and a switching power supply. One end of the second circuit breaker is connected to the mains power, and the other end is connected to the switching power supply. The output end of the switching power supply is connected to the input end of the wireless communication module.
4. The wireless communication testing platform according to claim 1, characterized in that: The third power supply module includes a third circuit breaker and a stable switching power supply. One end of the third circuit breaker is connected to the mains power, and the other end is connected to the stable switching power supply. The output terminal of the stable switching power supply is connected in series with multiple current sensors.
5. A wireless communication testing platform according to claim 1, characterized in that: Both the wireless communication module and the intelligent detection unit of the combiner box are equipped with RS485 interfaces, and the two are connected via an RS485 communication cable.
6. The wireless communication testing platform according to claim 1, characterized in that: The wireless communication module is equipped with an SMA antenna interface for connecting an antenna.
7. A wireless communication testing platform according to claim 4, characterized in that: The power supply module, wireless communication module, and combiner box intelligent detection unit are all provided in multiple quantities, and the number of power supply modules, wireless communication modules, and combiner box intelligent detection units are the same. Each combiner box intelligent detection unit is connected to one power supply module and one wireless communication module respectively. The output terminal of the stable switching power supply is connected in series with multiple current sensors of multiple combiner box intelligent detection units.