阅读说明：本技术 一种高频逆变电源功率调节方法及调节系统 (High-frequency inverter power supply power adjusting method and adjusting system ) 是由 李平 赵东明 刘艳 胡文庆 于 2020-06-30 设计创作，主要内容包括：本发明提供了一种高频逆变电源功率调节方法及调节系统,通过判断高频逆变电源对应的实时输出功率与负载对应的实时需求功率的比值是否大于第一预设比例；若是,降低所述高频逆变电源对应的所述实时输出功率至预设数值,并将所述母线与电能存储装置连接,以向所述电能存储装置充电；若否,判断所述高频逆变电源对应的所述实时输出功率与所述负载对应的所述实时需求功率的比值是否大于第二预设比例；若是,降低所述高频逆变电源对应的所述实时输出功率至预设数值；若否,升高所述高频逆变电源对应的所述实时输出功率至预设数值,并将所述母线与所述电能存储装置连接,所述电能存储装置向所述母线放电。本申请根据负载的需求功率实时调节电源的功率。(The invention provides a power regulation method and a power regulation system for a high-frequency inverter power supply, which are characterized in that whether the ratio of real-time output power corresponding to the high-frequency inverter power supply to real-time required power corresponding to a load is greater than a first preset ratio or not is judged; if so, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, and connecting the bus with an electric energy storage device to charge the electric energy storage device; if not, judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset ratio or not; if so, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value; if not, increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, connecting the bus with the electric energy storage device, and discharging electricity from the electric energy storage device to the bus. The power of the power supply is adjusted in real time according to the required power of the load.)

1. A power regulation method for a high-frequency inverter power supply is characterized by comprising the following steps:

calculating the real-time output power of the high-frequency inverter power supply;

calculating the real-time required power of the load on the bus;

judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a first preset proportion or not;

if so, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, and connecting the bus with an electric energy storage device to charge the electric energy storage device;

if not, judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset ratio or not;

if so, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value;

if not, increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, connecting the bus with the electric energy storage device, and discharging electricity from the electric energy storage device to the bus.

2. The power conditioning method for the high-frequency inverter power supply according to claim 1, wherein the calculating the real-time output power of the high-frequency inverter power supply comprises the steps of:

detecting a real-time voltage value of the high-frequency inverter power supply;

detecting the real-time current value of the high-frequency inverter power supply;

and calculating the real-time output power of the high-frequency inverter power supply according to the real-time voltage value and the real-time current value.

3. The power conditioning method for the high-frequency inverter power supply according to claim 1, wherein the step of calculating the real-time required power of the load on the bus comprises the steps of:

detecting a real-time voltage value of the load;

detecting a real-time current value of the load;

and calculating the real-time required power of the load according to the real-time voltage value and the real-time current value.

4. The power conditioning method for the high-frequency inverter power supply according to claim 1, further comprising, before said calculating the real-time output power of the high-frequency inverter power supply, the steps of:

calculating the real-time output power of the high-frequency inverter power supply;

and setting the first preset proportion and the second preset proportion according to the real-time output power, wherein the first preset proportion and the second preset proportion are both larger than 1, and the first preset proportion is larger than the second preset proportion.

5. The power regulation method for the high-frequency inverter power supply according to claim 1, wherein the step of decreasing/increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value comprises the steps of:

calculating the real-time required power A of the load;

acquiring the second preset proportion p;

calculating a first preset value M according to the real-time required power A and the second preset proportion p, wherein M is A x p;

and reducing/increasing the real-time output power of the high-frequency inverter power supply to the preset value M.

6. A power conditioning system for a high frequency inverter power supply, said system comprising:

the high-frequency inverter power supply is used for providing electric energy;

the bus is used for receiving the electric energy of the high-frequency inverter power supply and supplying power to a load; the bus is connected with the load;

the electric energy storage device is used for discharging electricity to the bus or receiving the charge of the bus; the electrical energy storage device is connected with the bus;

the controller is used for calculating the real-time output power of the high-frequency inverter power supply and the real-time required power of the load on the bus, judging whether the ratio of the real-time output power to the real-time required power is larger than a first preset proportion and/or judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset proportion or not, and controlling the high-frequency inverter power supply and/or the electric energy storage device;

if the ratio of the real-time output power to the real-time required power is judged to be larger than a first preset ratio, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, and connecting the bus with the electric energy storage device to charge the electric energy storage device;

if the ratio of the real-time output power to the real-time required power is judged to be larger than a first preset ratio, judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset ratio;

if the ratio of the real-time output power to the real-time required power is judged to be larger than a second preset ratio, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value;

and if the ratio of the real-time output power to the real-time required power is judged to be not larger than a second preset ratio, increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, connecting the bus with the electric energy storage device, and discharging the electric energy storage device to the bus.

7. The high frequency inverter power conditioning system of claim 6, wherein the system comprises: and the first current detector is used for detecting the real-time current of the high-frequency inverter power supply and is respectively connected with the high-frequency inverter power supply and the controller.

8. The high frequency inverter power conditioning system of claim 6, wherein the system comprises: and the first voltage detector is used for detecting the real-time voltage of the high-frequency inverter power supply and is respectively connected with the high-frequency inverter power supply and the controller.

9. The high frequency inverter power conditioning system of claim 7, wherein the system comprises: and the second current detector is used for detecting the real-time current of the load, and the first current detector is respectively connected with the load and the controller.

10. The high frequency inverter power conditioning system of claim 8, wherein the system comprises: and the second voltage detector is used for detecting the real-time voltage of the load, and the first voltage detector is respectively connected with the load and the controller.

Technical Field

The invention belongs to the technical field of high-frequency inverter power supplies, and particularly relates to a power adjusting method and a power adjusting system of a high-frequency inverter power supply.

Background

The high-frequency inverter power supply has the dual functions of a power supply and an inverter, and can supply power to a load on one hand and properly adjust the output power of the high-frequency inverter power supply according to the needs of a user on the other hand, so that different power requirements of the load are met.

The load access on the bus has no certain criterion, and is usually switched on and off at any time according to the needs of users. Due to uncertainty of connection of the load on the bus and instability of power requirements of the load, sometimes the output power of the high-frequency inverter power supply cannot completely meet the power requirements of the load, and at the moment, the power of the high-frequency inverter power supply needs to be properly adjusted to meet diversified power requirements of the load.

Disclosure of Invention

In order to solve the above problems, the present invention provides a power regulation method for a high-frequency inverter power supply, comprising the steps of:

calculating the real-time output power of the high-frequency inverter power supply;

calculating the real-time required power of the load on the bus;

judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a first preset proportion or not;

if so, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, and connecting the bus with an electric energy storage device to charge the electric energy storage device;

if not, judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset ratio or not;

if so, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value;

if not, increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, connecting the bus with the electric energy storage device, and discharging electricity from the electric energy storage device to the bus.

Preferably, the calculating the real-time output power of the high-frequency inverter power supply comprises the steps of:

detecting a real-time voltage value of the high-frequency inverter power supply;

detecting the real-time current value of the high-frequency inverter power supply;

and calculating the real-time output power of the high-frequency inverter power supply according to the real-time voltage value and the real-time current value.

Preferably, the calculating the real-time required power of the load on the bus comprises the steps of:

detecting a real-time voltage value of the load;

detecting a real-time current value of the load;

and calculating the real-time required power of the load according to the real-time voltage value and the real-time current value.

Preferably, before the calculating the real-time output power of the high-frequency inverter power supply, the method further comprises the steps of:

calculating the real-time output power of the high-frequency inverter power supply;

and setting the first preset proportion and the second preset proportion according to the real-time output power, wherein the first preset proportion and the second preset proportion are both larger than 1, and the first preset proportion is larger than the second preset proportion.

Preferably, the step of decreasing/increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value includes the steps of:

calculating the real-time required power A of the load;

acquiring the second preset proportion p;

calculating the first preset numerical value M according to the real-time required power A and the second preset proportion p, wherein M is A x p;

and reducing/increasing the real-time output power of the high-frequency inverter power supply to the preset value M.

The invention also provides a power regulation system of the high-frequency inverter power supply, which comprises:

the high-frequency inverter power supply is used for providing electric energy;

the bus is used for receiving the electric energy of the high-frequency inverter power supply and supplying power to a load; the bus is connected with the load;

the electric energy storage device is used for discharging electricity to the bus or receiving the charge of the bus; the electrical energy storage device is connected with the bus;

the controller is used for calculating the real-time output power of the high-frequency inverter power supply and the real-time required power of the load on the bus, judging whether the ratio of the real-time output power to the real-time required power is larger than a first preset proportion and/or judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset proportion or not, and controlling the high-frequency inverter power supply and/or the electric energy storage device;

if the ratio of the real-time output power to the real-time required power is judged to be larger than a first preset ratio, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, and connecting the bus with the electric energy storage device to charge the electric energy storage device;

if the ratio of the real-time output power to the real-time required power is judged to be larger than a first preset ratio, judging whether the ratio of the real-time output power corresponding to the high-frequency inverter power supply to the real-time required power corresponding to the load is larger than a second preset ratio;

if the ratio of the real-time output power to the real-time required power is judged to be larger than a second preset ratio, reducing the real-time output power corresponding to the high-frequency inverter power supply to a preset value;

and if the ratio of the real-time output power to the real-time required power is judged to be not larger than a second preset ratio, increasing the real-time output power corresponding to the high-frequency inverter power supply to a preset value, connecting the bus with the electric energy storage device, and discharging the electric energy storage device to the bus.

Preferably, the system comprises: and the first current detector is used for detecting the real-time current of the high-frequency inverter power supply and is respectively connected with the high-frequency inverter power supply and the controller.

Preferably, the system comprises: and the first voltage detector is used for detecting the real-time voltage of the high-frequency inverter power supply and is respectively connected with the high-frequency inverter power supply and the controller.

Preferably, the system comprises: and the second current detector is used for detecting the real-time current of the load, and the first current detector is respectively connected with the load and the controller.

Preferably, the system comprises: and the second voltage detector is used for detecting the real-time voltage of the load, and the first voltage detector is respectively connected with the load and the controller.

Compared with the prior art, the invention has the following beneficial effects:

(1) the real-time output power of the high-frequency inverter power supply and the real-time required power of the load are subjected to proportional calculation, and the power regulation of the high-frequency inverter power supply is controlled according to the comparison between the proportion and a preset value, so that the real-time output power of the high-frequency inverter power supply can meet the real-time required power of the load, and the normal work of the load is ensured; on the other hand, the dynamic balance between the real-time output power of the high-frequency inverter power supply and the real-time required power of the load can be avoided, and the waste proportion of the real-time output power of the high-frequency inverter power supply is reduced;

(2) setting two preset proportions aiming at the real-time output power of the high-frequency inverter power supply and the real-time required power of a load, and classifying and controlling the power regulation condition of the high-frequency inverter power supply aiming at the comparison between the ratio of the real-time output power and the real-time required power and the two preset proportions; on one hand, the high-frequency inverter power supply can be adjusted to different degrees according to the proportion of the high-frequency inverter power supply and the low-frequency inverter power supply, and on the other hand, the high-frequency inverter power supply can be controlled in a targeted manner according to different proportions of the high-frequency inverter power supply and the low-frequency inverter power supply;

(3) when the power of the high-frequency inverter power supply is adjusted, redundant electric energy on the high-frequency inverter power supply can be stored in the electric energy storage device, and when the electric energy provided by the high-frequency inverter power supply is insufficient, the electric energy stored in the electric energy storage device is released to a load, so that the utilization efficiency of the energy is improved; on one hand, the waste of the electric energy output by the high-frequency inverter power supply is avoided, on the other hand, the stored electric energy can be supplemented to the high-frequency inverter power supply under the condition that the output power of the high-frequency inverter power supply is insufficient, and the burden of the high-frequency inverter power supply is reduced;

(4) the voltage detection equipment and the current detection equipment are adopted to respectively detect the voltage and the current of the high-frequency inverter power supply, so that the output power of the high-frequency inverter power supply can be monitored in real time, and the working state of the high-frequency inverter power supply can be conveniently known in real time; the relation between the required power of the load on the bus and the output power of the high-frequency inverter power supply is conveniently researched in the follow-up process;

(5) the voltage detection equipment and the current detection equipment are adopted to respectively detect the voltage and the current of the load on the bus, so that the required power of the load on the bus can be monitored in real time, and the working state of the load can be known in real time conveniently; the method is convenient for researching the relation between the required power of the load on the bus and the output power of the high-frequency inverter power supply in the follow-up process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic flow chart of an embodiment 1 of a power regulation method for a high-frequency inverter power supply according to the present invention;

fig. 2 is a schematic flow chart of an embodiment 2 of a power regulation method for a high-frequency inverter power supply according to the present invention;

fig. 3 is a schematic flow chart of embodiment 3 of a power regulation method for a high-frequency inverter provided by the invention;

fig. 4 is a schematic flow chart of an embodiment 4 of a power regulation method for a high-frequency inverter provided by the invention;

fig. 5 is a schematic structural diagram of a power conditioning system of a high-frequency inverter power supply provided by the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.