CN116995684B - Intelligent high-voltage power grid electricity-shaking prevention device - Google Patents

Abstract

The present invention relates to the technical field of anti-electrical swaying, and provides an intelligent high-voltage power grid anti-electrical swaying device, comprising a charging component, an anti-electrical swaying boosting component and a power grid, and an electric swaying detection device connected in series at a power grid port; the charging component controls an energy storage control system through a control system to charge an energy storage system; the control system comprises a control single-chip microcomputer, a boosting control system, an energy storage control system and a signal receiving module, the signal receiving module is electrically connected to the electric swaying detection device, and the signal receiving module receives a signal and feeds it back to the control single-chip microcomputer; through the cooperation of the control system, the boosting device and the energy storage system, the voltage is controlled to be transmitted to the power grid at the same frequency and rated amplitude as the power grid, and when the power grid returns to normal, the electric swaying system automatically exits, reducing the damage to the energy storage battery pack, while strengthening the protection of the power grid.

Description

An intelligent high-voltage power grid anti-sway device

Technical Field

One or more embodiments of the present specification relate to the field of anti-electrical sway technology, and in particular, to an intelligent high-voltage power grid anti-electrical sway device.

Background Art

"Electricity sway" refers to the phenomenon of short-term voltage fluctuations or short-term power outages in the power grid caused by lightning strikes, short circuits or other reasons. The grid voltage temporarily drops or the voltage is interrupted within 1.5 seconds and then returns to normal. The basic types of electricity sway generated in the power supply system are: voltage sag, short-term power outage, and voltage flicker. For example, the patent number is CN202010545934.9, and the patent name is "A Chinese patent for an anti-electricity sway device". It describes "a new type of anti-electricity sway device designed using a voltage acquisition unit, a controller, a converter, an inverter, an energy storage unit, a switching switch and a storage unit, which solves the problem that when the power grid shakes, the AC contactor will be released, causing economic losses and safety hazards." The structure and method described in it have poor actual effects when used, and cannot respond in time when an electric shake occurs, causing damage to some electrical appliances, and even dangerous situations, which cannot meet the requirements of the existing technology.

Summary of the invention

In view of this, an object of one or more embodiments of this specification is to propose an intelligent high-voltage power grid anti-power sway device to solve the problem.

Based on the above purpose, one or more embodiments of this specification provide an intelligent high-voltage power grid anti-electrical sway device, including: a charging component, an anti-electrical sway boost component and a power grid, and an electric sway detection device connected in series at the power grid port.

The charging component controls the energy storage control system to charge the energy storage system through the control system.

The control system includes a control single chip microcomputer, a boost control system, an energy storage control system and a signal receiving module. The signal receiving module is electrically connected to the power shaking detection device, and the signal receiving module receives the signal and feeds it back to the control single chip microcomputer.

The anti-electrical shaking boost component detects the electric shaking in the power grid through the electric shaking detection device, and the boost control system in the control system controls the boost device, and controls the energy storage system through the energy storage control system, and transmits the voltage with the same frequency and rated amplitude as the power grid to the power grid to keep the power grid constant and stable.

The energy storage system provides electrical energy for the boost device.

Preferably, the energy storage system comprises: an energy storage battery pack, the energy storage battery pack is electrically connected to the power input port, and the energy storage battery pack is electrically connected to the power output port.

Preferably, the energy storage control system includes: an energy storage detection unit, the energy storage detection unit is electrically connected to the energy storage battery pack, and the energy storage detection unit is electrically combined with a control single chip computer, the control single chip computer is electrically connected to an energy storage control switch, and the energy storage control switch is electrically connected to a power grid, and the energy storage control switch is electrically connected to an electric energy input port.

Preferably, the boost control system includes: a voltage detection device, which is connected to the power grid to detect the constant voltage of the power grid, and the voltage detection device is electrically connected to the control microcontroller, and the control microcontroller is electrically connected to the voltage signal transmission module.

Preferably, the voltage boosting device comprises: a voltage signal input module, the voltage signal input module is electrically connected to the voltage signal transmission module, the voltage signal input module feeds back the signal to the microprocessor, and the microprocessor transmits the original voltage information to the voltage intensity storage;

Among them, when the power shake occurs, the power shake voltage change information is fed back by the microprocessor to the voltage difference comparison, and the microprocessor retrieves the voltage data stored in the voltage intensity storage and feeds it back to the voltage difference comparison to compare the voltage data. The comparison result is retrieved by the microprocessor to control the boost circuit to keep the grid voltage stable.

Preferably, the power output port is electrically connected to a boost circuit.

Preferably, when the power output port outputs power, a direct current conversion circuit outputs an alternating current circuit and a voltage boost circuit is used.

From the above, it can be seen that one or more embodiments of the present specification provide an intelligent high-voltage power grid anti-electrical sway device, which, through the cooperation of a control system, a boost device and an energy storage system, realizes voltage control to transmit a voltage with the same frequency and rated amplitude as the power grid to the power grid. When the power grid returns to normal, the electric sway system automatically exits to reduce damage to the energy storage battery pack and at the same time strengthen the protection of the power grid.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate one or more embodiments of the present specification or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of the present specification. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic diagram of an energy storage control system of this specification;

FIG2 is a schematic diagram of a power sloshing control system of this specification;

FIG3 is a schematic diagram of the overall system connection structure of this specification.

Markings in the figure:

1. Control system; 11. Control single chip microcomputer; 12. Energy storage detection unit; 13. Energy storage control switch; 14. Signal receiving module; 15. Voltage detection device; 16. Voltage signal transmission module; 2. Energy storage control system; 3. Energy storage system; 31. Power input port; 32. Energy storage battery pack; 33. Power output port; 4. Electricity shaking detection device; 5. Boosting device; 51. Voltage signal input module; 52. Microprocessor; 53. Voltage intensity storage; 54. Voltage difference comparison; 55. Boosting circuit.

DETAILED DESCRIPTION

In order to make the objectives, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below in conjunction with specific embodiments.

It should be noted that, unless otherwise defined, the technical terms or scientific terms used in one or more embodiments of this specification should be understood by people with ordinary skills in the field to which this disclosure belongs. The "first", "second" and similar words used in one or more embodiments of this specification do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Embodiment 1:

As shown in FIG. 1 and FIG. 3 , a smart high-voltage power grid anti-electrical sway device is provided, comprising: a charging component, an anti-electrical sway boost component and a power grid, and an electric sway detection device 4 connected in series at a power grid port.

The charging component controls the energy storage control system 2 to charge the energy storage system 3 through the control system 1.

The energy storage system 3 includes: an energy storage battery group 32 , wherein the energy storage battery group 32 is electrically connected to the power input port 31 , and the energy storage battery group 32 is electrically connected to the power output port 33 .

The energy storage control system 2 includes: an energy storage detection unit 12, the energy storage detection unit 12 is electrically connected to the energy storage battery pack 32, and the energy storage detection unit 12 is electrically combined with the control microcontroller 11, the control microcontroller 11 is electrically connected to the energy storage control switch 13, and the energy storage control switch 13 is electrically connected to the power grid, and the energy storage control switch 13 is electrically connected to the power input port 31.

The energy storage system 3 charges the energy storage battery group 32 when the power grid is operating normally, and monitors the storage energy of the energy storage battery group 32 through the storage energy detection unit 12 .

In summary, when this method is used, the energy storage battery pack 32 is kept fully charged during actual use.

Embodiment 2:

As shown in Figures 1-3, an intelligent high-voltage power grid anti-electrical sway device is provided, including: a charging component, an anti-electrical sway boost component and a power grid, and an electric sway detection device 4 connected in series at the power grid port.

The charging component controls the energy storage control system 2 to charge the energy storage system 3 through the control system 1.

The energy storage system 3 includes: an energy storage battery group 32 , wherein the energy storage battery group 32 is electrically connected to the power input port 31 , and the energy storage battery group 32 is electrically connected to the power output port 33 .

The control system 1 includes a control single chip microcomputer 11 , a boost control system, an energy storage control system 2 and a signal receiving module 14 . The signal receiving module 14 is electrically connected to the power shaking detection device 3 , and the signal receiving module 14 receives the signal and feeds it back to the control single chip microcomputer 11 .

The anti-electrical shaking boost component detects the electric shaking in the power grid through the electric shaking detection device 4, and the boost control system in the control system 1 controls the boost device 5, and controls the energy storage system 3 through the energy storage control system 2, and transmits the voltage with the same frequency and rated amplitude as the power grid to the power grid to keep the power grid constant and stable.

The energy storage system 3 provides electrical energy for the boost device 5 .

The boost control system includes: a voltage detection device 15 , which is connected to the power grid to detect the constant voltage of the power grid, and the voltage detection device 15 is electrically connected to the control microcontroller 11 , and the control microcontroller 11 is electrically connected to the voltage signal transmission module 16 .

The boost control system provides timely feedback when the voltage of the power grid fluctuates based on the monitoring status of the voltage detection device 15, thereby avoiding the situation in the prior art where the boost is not timely due to the difference between the detection process and the boost process.

The boost device 5 includes: a voltage signal input module 51, the voltage signal input module 51 is electrically connected to the voltage signal transmission module 16, the voltage signal input module 51 feeds back the signal to the microprocessor 52, and the microprocessor 52 transmits the original voltage information to the voltage intensity storage 53 for storage;

Among them, when the power shake occurs, the power shake voltage change information is fed back by the microprocessor 52 to the voltage difference comparison 54, and the microprocessor 52 retrieves the voltage data stored in the voltage intensity storage 53 and feeds it back to the voltage difference comparison 54 to compare the voltage data. The comparison result is retrieved by the microprocessor 52 to control the boost circuit 55 to keep the grid voltage stable.

Among them, when electric shaking occurs, the information of electric shaking voltage change is fed back to the voltage difference comparison 54 by the processor 52. The boosting device 5 monitors the changes in the power grid and regulates the changes in the power grid to prevent the power grid from being dangerous due to electric shaking, and compares the data when the power grid is fed back to avoid the situation of excessive voltage due to the imbalance of boosting amount when electric shaking occurs in the prior art.

The power output port 33 is electrically connected to the boost circuit 55 .

When the power output port 33 outputs power, it is output to the boost circuit 55 through the direct current conversion circuit.

The power output port 33 cooperates with the direct current to alternating current circuit to achieve the effect of voltage conversion.

Among them, under normal circumstances, the voltage change when the power shake occurs is shown in the following curve 1:

Among them, after adopting the above conversion, the voltage change when the electric shaking occurs is shown in the following curve 2:

As described above, according to the configuration of the control system 1 and the boost device 5 in coordination with the configuration of the energy storage system 3, the boost device 5 can supplement the voltage of the power grid at the moment of power shaking, thereby preventing short-term voltage fluctuations or short-term power outages in the power grid.

It should be noted that the method of one or more embodiments of this specification can be performed by a single device, such as a computer or server. The method of this embodiment can also be applied in a distributed scenario and completed by multiple devices cooperating with each other. In the case of such a distributed scenario, one of the multiple devices can only perform one or more steps in the method of one or more embodiments of this specification, and the multiple devices will interact with each other to complete the described method.

The above is a description of a specific embodiment of the specification. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

For the convenience of description, the above devices are described in terms of functions divided into various modules. Of course, when implementing one or more embodiments of this specification, the functions of each module can be implemented in the same or multiple software and/or hardware.

The apparatus of the above-mentioned embodiment is used to implement the corresponding method in the above-mentioned embodiment, and has the beneficial effects of the corresponding method embodiment, which will not be described in detail here.

Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples. Based on the concept of the present disclosure, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present specification as described above, which are not provided in detail for the sake of simplicity.

While the disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description.

One or more embodiments of this specification are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of one or more embodiments of this specification should be included in the scope of protection of this disclosure.

Claims (1)

1. An intelligent high-voltage power grid anti-interference device, comprising: charging module, prevent shaking electricity subassembly and electric wire netting that steps up to and establish ties in electric wire netting port department's electricity-shaking detection device (4), its characterized in that: the charging assembly controls the energy storage control system (2) to charge the energy storage system (3) through the control system (1);

The control system (1) comprises a control singlechip (11), a boost control system, an energy storage control system (2) and a signal receiving module (14), wherein the signal receiving module (14) is electrically connected with the power-sloshing detection device (3), and the signal receiving module (14) receives a signal and feeds the signal back to the control singlechip (11);

The anti-interference electricity boosting assembly detects the interference electricity condition in the power grid through an interference electricity detection device (4), controls a boosting device (5) through a boosting control system in the control system (1), controls an energy storage system (3) through an energy storage control system (2), and transmits voltage with the same frequency and rated amplitude to the power grid to keep the power grid constant and stable;

the energy storage system (3) provides electric energy for the boosting device (5);

The energy storage battery pack (32), the energy storage battery pack (32) is electrically connected with the electric energy input port (31), and the energy storage battery pack (32) is electrically connected with the electric energy output port (33);

The energy storage control system (2) comprises: the energy storage detection unit (12), the energy storage detection unit (12) is electrically connected with the energy storage battery pack (32), the energy storage detection unit (12) is electrically combined with the control singlechip (11), the control singlechip (11) is electrically connected with the energy storage control switch (13), the energy storage control switch (13) is electrically connected with the power grid, and the energy storage control switch (13) is electrically connected with the electric energy input port (31);

The boost control system includes: the voltage detection device (15), the voltage detection device (15) is connected to the power grid to detect the constant voltage of the power grid, the voltage detection device (15) is electrically connected with the control singlechip (11), and the control singlechip (11) is electrically connected with the voltage signal transmission module (16);

The boosting device (5) comprises: the voltage signal input module (51), the said voltage signal input module (51) is connected with voltage signal transmission module (16) electrically, the said voltage signal input module (51) feeds back the signal to the microprocessor (52), and the microprocessor (52) transmits the primitive voltage information to the voltage intensity storage (53) to store;

When the power interference occurs, the power interference voltage change information is fed back to the voltage difference comparison (54) by the microprocessor (52), the microprocessor (52) is used for calling the voltage data stored in the voltage intensity storage (53) and feeding back the voltage data stored in the voltage difference comparison (54), and the voltage of the power grid is kept stable by the data control boost circuit (55) which is called by the microprocessor (52) as a comparison result;

The electric energy output port (33) is electrically connected with the boost circuit (55);

the electric energy output port (33) outputs the electric energy through the direct current conversion alternating current circuit to the booster circuit (55) when outputting the electric energy.