Energy-saving method and device for base station test

Abstract

The embodiment of the invention provides an energy-saving method and device for base station testing, and the method comprises the steps: carrying out the microwave rectification of a microwave signal of a base station, and obtaining a plurality of DC signals; and combining the plurality of direct-current electric signals to obtain a combined direct-current electric signal, adjusting parameters of the combined direct-current electric signal, and outputting the combined direct-current electric signal to realize electric energy recovery of the base station test. Through the method and the device, the problem that a large amount of electric energy is wasted in base station testing in the prior art is solved, and the effect of saving energy and reducing consumption in the base station testing process is achieved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of base station testing, and more specifically, to an energy-saving method and device for base station testing. Background Art

[0002] When the base station is working, part of the power is supplied to the internal components, and the other part is radiated in the form of microwaves. The internal components consume power to generate heat, and the radiated part needs to be connected to a load to absorb it. Figure 1 This is a schematic diagram of the principle of the microwave load connection method for base station testing in the related technology, such as Figure 1 As shown in the figure, the traditional method of testing base stations is to connect a microwave load to each RF port to absorb microwave energy and convert it into heat. As a result, the electricity consumption of the base station is eventually converted into heat dissipation, resulting in huge waste. If the radiated microwaves can be recycled, the electricity consumption of base station testing can be significantly reduced. For products other than base stations, mainly power products, there are effective energy-saving test solutions. The core is to recycle the electric energy output by the product and reintegrate it into the power grid after parameter conversion, thereby greatly reducing the waste of electric energy into heat. However, this type of product mainly involves DC-DC or AC-DC conversion technology in the field of electric energy, and does not involve microwave technology.

[0003] One way to recycle microwave energy is to convert microwaves into electrical energy first, which is microwave rectification technology. The parameters of related research have long been limited and cannot meet the needs of base station transmission signals. Related products are also immature and no one has tried to apply them to base station testing. Therefore, the problem of large amounts of electrical energy wasted during base station testing has not been solved. Summary of the invention

[0004] The embodiments of the present application provide a method and device for energy saving in base station testing, so as to at least solve the problem of large amount of electric energy waste in base station testing in the related art.

[0005] According to one embodiment of the present application, there is provided an energy-saving method for base station testing, comprising: performing microwave rectification on a microwave signal of the base station to obtain a plurality of direct current signals; combining the plurality of direct current signals to obtain a combined direct current signal, and performing parameter adjustment on the combined direct current signal and outputting the combined direct current signal to achieve energy recovery for the base station testing.

[0006] According to another embodiment of the present application, an energy-saving device for base station testing is provided, including: a rectifier module, used to perform microwave rectification on the microwave signal of the base station to obtain multiple direct current signals; a transformer module, used to combine the multiple direct current signals to obtain a combined direct current signal, perform parameter adjustment on the combined direct current signal and output it, so as to realize energy recovery for the base station test.

[0007] This application provides an energy-saving method for base station testing, which performs microwave rectification on microwave signals of base stations to obtain multiple DC signals; performs circuit combination processing on multiple DC signals to obtain a combined DC signal, and performs parameter adjustment on the combined DC signal and outputs it, so as to realize power recovery of base station testing. This solves the problem of a large amount of power waste in base station testing in related technologies, and achieves the effect of energy saving and consumption reduction in the base station testing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the principle of a microwave load connection method for base station testing in the related art;

[0009] Figure 2 is a flow chart of a method for energy saving of a base station test according to an embodiment of the present application;

[0010] Figure 3 is a structural block diagram of an energy-saving device for base station testing according to an embodiment of the present application;

[0011] Figure 4 is a structural block diagram of an energy-saving device for base station testing according to an embodiment of the present application;

[0012] Figure 5 is a structural block diagram of a transformer module according to an embodiment of the present application;

[0013] Figure 6 It is a structural schematic diagram of a DC recovery energy-saving device for base station testing according to an embodiment of the scenario of the present application;

[0014] Figure 7 It is a schematic diagram of the working principle of the rectifier module according to an embodiment of the present application scenario;

[0015] Figure 8 It is a structural schematic diagram of an AC recovery energy-saving device for base station testing according to an embodiment of the scenario of the present application;

[0016] Fig. 9 It is a structural diagram of an energy-saving device for DC recovery and storage in a base station test according to an embodiment of the scenario of the present application. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0018] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0019] In the relevant technology, the electricity consumption of the base station is eventually converted into heat dissipation, resulting in huge waste. If the radiated microwaves can be recycled, the electricity consumption of the base station test can be significantly reduced. For products other than base stations, such as the power recovery solution of power supply products, the power output of the product is recovered and reincorporated into the power grid after parameter conversion, thereby greatly reducing the waste of power to heat. However, this type of product mainly involves DC-DC or AC-DC conversion technology in the field of electric energy, and does not involve microwave technology. In addition, in order to recover energy, liquid cooling is often used in large data centers to use waste heat to heat urban facilities. Using this solution can also indirectly utilize the heat generated by microwave loads. However, the overall planning and deployment is very complicated. In recent years, the research on microwave rectifier devices has made rapid progress and is expected to be used in base station testing to convert microwave energy into DC and then recycle it. How to combine microwave rectification technology with power supply technology and develop suitable high-power devices to reduce power waste without changing the working state of the base station during base station testing is a problem that needs to be solved.

[0020] In this embodiment, a method for energy saving of base station testing is provided. Figure 2 is a flow chart of a method for energy saving of a base station test according to an embodiment of the present application, such as Figure 2 As shown, the process includes the following steps:

[0021] Step S202, performing microwave rectification on the microwave signal of the base station to obtain a plurality of direct current signals;

[0022] In an exemplary embodiment, before performing microwave rectification on the microwave signal of the base station, the method further includes: when the power of the microwave signal reaches a preset maximum power value, performing power division processing on the microwave signal.

[0023] In the actual implementation process, when the power of the microwave signal is relatively small, there is no need to perform power division processing on the microwave signal. When the power of the microwave signal reaches a preset maximum power value, the microwave signal is subjected to power division processing, wherein the specific size of the preset maximum power value is determined according to actual conditions, that is, whether power division is required is determined according to actual needs, especially the power range of the hardware equipment for microwave rectification of the microwave signal. If the power requirement of the microwave signal cannot be met, power division is required.

[0024] Step S204, combining the multiple DC signals to obtain a combined DC signal, adjusting parameters of the combined DC signal and outputting the combined DC signal to achieve energy recovery for base station testing.

[0025] In an exemplary embodiment, the combined DC signal is parameter adjusted and outputted, including: adjusting the combined DC signal parameters according to input parameters of the base station power supply to obtain a first DC output current, and transmitting the first DC output current to the base station power supply.

[0026] In the actual implementation process, the combined DC signal is adjusted to the first DC output current that can be transmitted to the base station power supply, which is mainly the adjustment of the voltage. For example, transformer components, boost circuits, buck circuits, etc. can be used for processing so that the voltage value can meet the range of the working voltage value of the base station power supply. In order to better recycle electric energy, in the actual implementation process, it is also necessary to partially transform the base station power supply and the power grid to receive the recycled electric energy. The specific transformation will not be repeated here, as long as the recycled electric energy can be received.

[0027] In an exemplary embodiment, the combined DC power signal is parameter adjusted and output, and the method further includes: inverting the combined DC power signal to obtain an AC output current, and transmitting the AC output current to a test grid for base station testing.

[0028] In the actual implementation process, the combined DC power signal can be inverted using existing mature products, such as different types of inverters, which can be customized in different models to meet the input and output parameter matching requirements. Specifically, the combined DC power signal can be converted into AC power with parameters consistent with the mains power, so that the AC power obtained after the inversion process can be incorporated into the power grid of the test environment.

[0029] In an exemplary embodiment, adjusting parameters of the combined DC signal and outputting the combined DC signal further includes: adjusting parameters of the combined DC signal according to input parameters of the battery to obtain a second DC output current, and transmitting the second DC output current to the battery for storage.

[0030] In the actual implementation process, the parameters of the combined DC signal are adjusted and output to the battery, mainly the voltage is adjusted, and a DC signal that meets the battery input parameter requirements is obtained and stored in the battery. When electricity is needed, the battery can be used to power different electrical appliances.

[0031] Through the above steps, microwave rectification is performed on the microwave signal of the base station to obtain multiple DC signals; the multiple DC signals are combined to obtain a combined DC signal, and the combined DC signal is parameter adjusted and output to achieve power recovery for base station testing. The problem of a large amount of power waste in base station testing in the related art is solved, and the effect of energy saving and consumption reduction in the base station testing process is achieved.

[0032] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases hardware / hardware platform can be a better implementation method. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a software product or a hardware platform. The computer software product is stored in a storage medium (such as ROM / RAM, a disk, or an optical disk), and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0033] In this embodiment, an energy-saving device for base station testing is also provided, which is used to implement the above embodiments and preferred implementation modes, and the descriptions that have been made will not be repeated. As used below, the term "module" can implement a combination of software and / or hardware of a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0034] Figure 3 is a structural block diagram of an energy-saving device for base station testing according to an embodiment of the present application, such as Figure 3 As shown, the energy-saving device 30 includes: a rectifier module 310, which is used to perform microwave rectification on the microwave signal of the base station to obtain multiple DC signals; a transformer module 320, which is used to combine the multiple DC signals to obtain a combined DC signal, adjust the parameters of the combined DC signal and output it to achieve energy recovery for base station testing.

[0035] In an exemplary embodiment, the circuit structure type of the rectifier module 310 includes at least one of the following: a half-rectifier circuit based on a single diode or multiple diodes in series and parallel; a full-wave rectifier circuit based on a single diode or multiple diodes in series and parallel; a voltage doubler rectifier circuit based on a single diode or multiple diodes in series and parallel; a synchronous rectifier circuit based on a power amplifier element or a high electron mobility transistor (GaN High Electron Mobility Transistor, GaN HEMT).

[0036] Figure 4 is a structural block diagram of an energy-saving device for base station testing according to an embodiment of the present application, such as Figure 4 As shown, the energy-saving device 40 includes Figure 3 In addition to all the modules shown, the present invention further includes: a power division module 410, which is used to perform power division processing on the microwave signal when the power of the microwave signal reaches a preset maximum power value.

[0037] In an exemplary embodiment, the structure type of the power division module 410 includes at least one of the following: a microstrip power divider; a cavity power divider.

[0038] Figure 5 is a structural block diagram of a transformer module according to an embodiment of the present application, such as Figure 5 As shown, in an exemplary embodiment, the transformer module 320 includes: a first transformer unit 5101, which is used to adjust the parameters of the combined DC signal according to the input parameters of the base station power supply, obtain the first DC output current, and transmit the first DC output current to the base station power supply.

[0039] In an exemplary embodiment, the transformer module 320 further includes: an inverter unit 5102 for inverting the combined DC signal to obtain an AC output current, and transmitting the AC output current to a test grid for base station testing.

[0040] In an exemplary embodiment, the transformer module 320 further includes: a second transformer unit 5103, configured to adjust parameters of the combined DC signal according to input parameters of the battery, obtain a second DC output current, and transmit the second DC output current to the battery for storage.

[0041] In the actual implementation process, the conversion / adjustment principle of the combined DC signal of the first transformer unit 5101, the inverter unit 5102, and the second transformer unit 5103, as well as the output of the electrical signal obtained after the conversion / adjustment, can be found in the specific description in the above method embodiment, and will not be repeated here.

[0042] In the actual implementation process, the rectifier module and the battery do not need additional power supply, the transformer module (including the inverter unit) also needs to provide power, and the transformer module (including the inverter unit) also needs to set up a communication interface so that its working status can be set and monitored by a computer.

[0043] In an exemplary embodiment, the circuit type of the voltage conversion module 320 includes at least one of the following: a boost circuit, a buck circuit, and a buck-boost circuit.

[0044] In an exemplary embodiment, the operation mode of the voltage transformation module 320 includes at least one of the following: a constant voltage mode, a constant current mode, and a constant resistance mode.

[0045] It should be noted that the above modules can be implemented by software or hardware. For the latter, it can be implemented in the following ways, but not limited to: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0046] For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and exemplary implementation modes, and this embodiment will not be described in detail herein.

[0047] In order to enable those skilled in the art to better understand the technical solution of the present application, it is described below in conjunction with specific scenario embodiments.

[0048] Scenario Example 1

[0049] The embodiment of the scenario of the present application provides an energy-saving device for base station testing, which is suitable for scenarios where it is necessary to reduce the power consumption of base station testing. The device includes a rectifier module, a transformer module, an inverter module, a battery, and a computer required for control, and at the same time, the circuit of the test environment needs to be modified to a certain extent. According to the specific scheme selected, the modules used are different, mainly because the final power recovery method is different. The rectifier module realizes the conversion of microwaves to direct current. The transformer module realizes the voltage conversion of direct current. The inverter module realizes the conversion of direct current to alternating current. The battery is used to store electrical energy. The environmental circuit can be transformed into a mode of DC recovery, AC recovery or battery storage. Among the above components, the rectifier module and the battery do not require additional power supply, and the transformer module and the inverter module also provide power supply. At the same time, the latter two also provide a communication interface, so that their working status can be set and monitored by a computer.

[0050] In the present scenario embodiment, the function of the rectifier module in the present scenario embodiment corresponds to the same function as the rectifier module 310 in the above embodiment, wherein, when the power of the microwave signal reaches the preset maximum power, the function of the rectifier module in the present scenario embodiment also corresponds to the function of the power division module 410 in the above embodiment, that is, in the present scenario embodiment, the power division module can be arranged in the rectifier module as a power divider. The function of the transformer module in the present scenario embodiment corresponds to the same function as the transformer module 320 in the above embodiment, and the function of the inverter unit 5102 in the transformer module 320 in the above embodiment corresponds to the same function as the inverter module in the present scenario embodiment.

[0051] According to different energy recovery methods, this scenario embodiment provides three structural designs of energy-saving devices, as follows:

[0052] Figure 6 is a structural diagram of a DC recovery energy-saving device for base station testing according to an embodiment of the present application scenario, such as Figure 6 As shown in the figure, the mains power is the energy source of the entire test environment, generally AC power, which supplies power to all the devices under test and power modules. The base station power supply supplies power to the base station, generally converting the mains power into the DC power required by the base station. In practice, there may be multiple base station devices running at the same time, and the base station power supply provides unified power supply. In this device, the base station power supply and power grid need to be partially modified to receive the recycled power.

[0053] The base station is the device to be tested, and the base station power supply provides DC power. The RF port of the base station will output a high-power microwave signal, which is transmitted to the rectifier module through the RF cable. A base station has multiple RF ports, corresponding to multiple rectifier modules, which need to be transmitted separately. The rectifier module can convert the microwave signal from the base station into DC output. Figure 7 is a schematic diagram of the working principle of the rectifier module according to the embodiment of the present application scenario, such as Figure 7 As shown, the core of the rectifier module is to first split the high-power signal for rectification and then combine it for output.

[0054] In the actual implementation process, different numbers of rectifier elements can be used inside the rectifier module according to the actual microwave power, and combined with a power divider to support high power. After the microwave signal enters the rectifier module, it first passes through the power divider, and then goes through input matching and filtering, microwave rectification, output matching and filtering on each branch, and finally combined for output. There are many ways to implement the power divider, which can be divided into microstrip and cavity in structure. The number of branches is commonly 2, 4, 8, etc. Figure 7 There are 4 branches in the figure, which are designed according to actual needs. For low-power scenarios, power dividers may not be used. In the actual implementation process, there are also multiple solutions for input matching and filtering, rectification elements, output matching and filtering of microwave rectification in each branch of the rectifier module. The core rectification elements commonly include half-rectification, full-wave rectification, and voltage doubling rectification solutions based on single diodes or multiple diodes in series and parallel, as well as synchronous rectification solutions based on power amplifiers or GaN HEMTs. As long as the conversion of microwave signals to DC signals can be achieved, it is not limited to the specific implementation scheme of microwave rectification.

[0055] The transformer module converts the DC power from the rectifier module into other parameters, mainly adjusting the voltage to match the grid recovery needs, such as Figure 6 As shown, the electric energy returns to the base station power supply and supplies power to the base station again. In addition, the transformer module can be connected to multiple rectifier modules to combine the energy for output. The computer is used to set and monitor the working status of the module. According to the output parameters of the actual base station, the transformer module is adjusted to optimize the efficiency of the entire device. In the actual implementation process, there are mature commercial products for transformer modules, and common ones include boost circuits, buck circuits, buck-boost circuits, etc. based on switching power supplies, which can work in constant voltage, constant current or constant resistance mode.

[0056] In the actual implementation process, if the DC recovery solution is selected: select a suitable rectifier module according to the RF port power and frequency band of the base station to be tested. For example, the frequency band of the rectifier module should match the base station, and the rated power should be greater than the output power of the base station to prevent damage during operation. The outputs of multiple rectifier modules are connected to the transformer module, and the transformer module is adjusted to the appropriate working mode according to actual needs. Generally, it needs to be adjusted to the constant resistance mode to achieve the highest overall conversion efficiency. The transformer module is connected to the base station power supply. The transformer module needs to convert the voltage to parameters that meet the base station input. Generally, 48V to 60V is required.

[0057] Figure 8 is a structural diagram of an AC recovery energy-saving device for base station testing according to an embodiment of the present application scenario, such as Figure 8 As shown, the mains (AC) provides energy for the rectifier system, and the power grid also needs to be modified to realize the recovery and grid connection of AC power. The base station power supply also supplies power to the base station under test, and the base station is the device under test. The rectifier module realizes the conversion of microwave to DC power. The transformer module converts the DC power from the rectifier module into other parameters (for example, the specific parameters mainly include the functional parameters of the inverter module that match the input requirements of the inverter module), which here is to match the input requirements of the subsequent inverter module.

[0058] The inverter module converts the DC output of the transformer module into AC power with parameters consistent with the mains power, and integrates it into the power grid of the test environment. The inverter module can be an existing mature commercial product, such as different types of inverters. The computer is used to set and monitor the working status of the module, and according to the actual work requirements, the entire system (device) can achieve the best efficiency. In the actual implementation process, the inverter module can use an existing mature product, and different models can be customized to match the input and output parameters.

[0059] In the actual implementation process, if the AC recovery solution is selected: select the appropriate rectifier module according to the RF port power and frequency band of the base station to be tested, which is the same as the DC recovery solution. The output of multiple rectifier modules is connected to the transformer module, and the transformer module is adjusted to the appropriate working mode according to the demand. The same as the DC recovery solution. The transformer module is connected to the inverter module. The transformer module needs to convert the voltage to the parameters that meet the input of the inverter module. The output of the inverter module is connected to the power grid of the test environment, which is generally 220V, 50Hz mains.

[0060] Fig. 9 is a structural diagram of a DC recovery and storage energy-saving device for base station testing according to a scenario embodiment of the present application, such as Fig. 9As shown, the mains (AC) provides energy for the rectifier system, and the base station power supply supplies power to the base station to be tested. The base station is the device to be tested. The rectifier module realizes the conversion of microwave to DC. The transformer module converts the DC from the rectifier module into other parameters, mainly adjusting the voltage so that the voltage value can match the input requirements of the subsequent battery. The computer is used to set and monitor the working status of the module and the battery, so that the entire system can achieve the optimal efficiency according to the actual working requirements.

[0061] In the actual implementation process, if the battery recycling solution is selected, the appropriate rectifier module is selected according to the RF port power and frequency band of the base station to be tested, which is the same as the DC recycling solution. The outputs of multiple rectifier modules are connected to the transformer module, and the transformer module is adjusted to the appropriate working mode according to the needs. The transformer module is connected to the battery. The transformer module needs to convert the voltage to the parameters that meet the battery input.

[0062] In the scenario embodiments of the present application, each module is divided according to function. In an actual system, multiple functional modules may be combined into one entity or split into multiple components, such as a rectifier module may be combined with a transformer module, and a transformer module may be combined with an inverter module.

[0063] In the embodiment of the present application scenario, the power divider can be set in the rectifier module, wherein the power divider is not limited to a specific implementation method. Common methods include microstrip power division and cavity power division, and the number of branches can meet the requirements. For low-power scenarios, the power divider may not be used.

[0064] In the scenario embodiments of the present application, three energy recovery schemes are listed with microwave rectification technology as the core technical means. In addition to the above three energy recovery schemes, other energy recovery methods can also be used, for example, connecting to different types of electrical equipment, including adding a new primary transformer module, etc., which are all included in the protection scope of the present application.

[0065] In summary, the present application provides an energy-saving method and device for base station testing. Based on the core microwave rectifier device, the microwave energy of the base station and / or base station products is recycled and utilized. Compared with the existing base station testing method, the waste of electric energy can be reduced without changing the working state of the base station. The embodiment of the present application proposes to connect the RF end of the tested base station to a microwave rectifier module so that the microwave is converted into direct current, and then the electric energy can be recovered using the relevant power conversion technology. Different from the traditional direct connection to the load, it is converted into heat. In the embodiment of the present application, the existing technology is improved so that the microwave rectifier module can be used for the signal transmitted by the base station, mainly the high-power microwave signal. The microwave signal is first divided in the rectifier module, and then combined after being rectified into direct current in each branch, thereby increasing the total power of the rectifier module and realizing the conversion of high-power microwave signals to direct current. The voltage output by the transformer module in the embodiment of the present application can recover electric energy through a variety of schemes. Including: DC recovery: DC power returns to the DC power grid at the power supply end of the base station as input. AC recovery: The DC output selects to connect the inverter module, and the inverter module converts DC power into AC power and merges it into the power grid of the test environment. Battery storage: The DC output is connected to a battery to store the electrical energy converted from microwaves and release it when needed.

[0066] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the principles of the present application shall be included in the protection scope of the present application.

Claims

1. A method for energy saving in base station testing, characterized in that: include: Perform microwave rectification on the microwave signal of the base station to obtain multiple direct current signals; The multiple DC signals are combined to obtain a combined DC signal, and parameters of the combined DC signal are adjusted and output to achieve energy recovery for the base station test.

2. The method according to claim 1, characterized in that: Before performing microwave rectification on the microwave signal of the base station, the method further includes: When the power of the microwave signal reaches a preset maximum power value, power division processing is performed on the microwave signal.

3. The method according to claim 1, characterized in that Parameter adjustment is performed on the combined direct current signal and the combined direct current signal is output, comprising: The combined direct current signal is parameter-adjusted according to input parameters of the base station power supply to obtain a first direct current output current, and the first direct current output current is transmitted to the base station power supply.

4. The method according to claim 1, characterized in that The method further comprises: adjusting parameters of the combined direct current signal and outputting the combined direct current signal; The combined direct current signal is inverted to obtain an alternating current output current, and the alternating current output current is transmitted to a test grid for testing the base station.

5. The method according to claim 1, characterized in that The method further comprises: adjusting parameters of the combined direct current signal and outputting the combined direct current signal; The combined DC signal is parameter-adjusted according to the input parameters of the battery to obtain a second DC output current, and the second DC output current is transmitted to the battery for storage.

6. An energy-saving device for base station testing, characterized in that: include: A rectifier module, used to perform microwave rectification on the microwave signal of the base station to obtain multiple direct current signals; The transformer module is used to combine the multiple DC signals to obtain a combined DC signal, adjust parameters of the combined DC signal and output it, so as to realize power recovery of the base station test.

7. The device according to claim 6, characterized in that Also includes: The power division module is used to perform power division processing on the microwave signal when the power of the microwave signal reaches a preset maximum power value.

8. The device according to claim 6, characterized in that The voltage transformation module comprises: The first transformer unit is used to adjust the parameters of the combined DC power signal according to the input parameters of the base station power supply, obtain the first DC output current, and transmit the first DC output current to the base station power supply.

9. The device according to claim 6, characterized in that The voltage transformation module further includes: The inverter unit is used to invert the combined DC power signal to obtain an AC output current, and transmit the AC output current to a test grid for testing the base station.

10. The device according to claim 6, characterized in that The voltage transformation module further includes: The second transformer unit is used to adjust the parameters of the combined DC power signal according to the input parameters of the battery to obtain a second DC output current, and transmit the second DC output current to the battery for storage.

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