A control device, a control method for a charging pile, and a control system

Abstract

The present invention relates to the field of charging piles, and provides a control device, a control method and a system for a charging pile. The control device includes: a total power detection unit, which is used to detect the total power used by the circuit network where the charging pile is located; a communication unit, which is used to send the total power used to a terminal that is communicatively connected to the control device, so that the terminal determines the charging power of the charging pile according to the total power used. The present application detects the total power used by the circuit network where the charging pile is located by a power detection unit, so as to prevent the total power used from increasing to a level greater than the rated power of the circuit network due to the use of the charging pile, causing the circuit breaker to trip, or even causing an electricity safety accident.

Description

Technical Field

[0001] The present invention relates to the field of charging piles, and in particular to a control device, a control method and a system for a charging pile. Background Art

[0002] As the number of electric vehicles increases, some users will choose to install and use home charging piles at home. At the same time, due to the large power consumption of high-power household appliances used in the home, such as air conditioners, washing machines, dryers, electric water heaters, etc., when they are used at the same time, the power consumption will be very large, exceeding the upper limit of the power supply of the household distribution line, causing the circuit breaker to trip, and even causing power safety accidents. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a control device that can ensure charging safety when using a charging pile.

[0004] To solve the above problems, the present invention provides the following technical solutions:

[0005] In a first aspect, an embodiment of the present application provides a control device, the control device comprising:

[0006] A total power detection unit, used to detect the total power used by the circuit network in which the charging pile is located;

[0007] The communication unit is used to send the total power used to a terminal that is communicatively connected to the control device, so that the terminal determines the charging power of the charging pile according to the total power used.

[0008] In some embodiments, the control device further comprises:

[0009] N branch power detection units, each of which is arranged in a branch in the circuit network, and is used to detect the power of the branch in which it is located; wherein N is a positive integer.

[0010] In some embodiments, the control device further comprises:

[0011] A control unit is connected to the control switch of the branch, and the control unit is used to control the control switch to control the opening and closing of the branch.

[0012] In a second aspect, an embodiment of the present application provides a control method for a charging pile, which is applied to a terminal, wherein the terminal is communicatively connected to the control device, and the method includes:

[0013] Obtaining the total power used by the circuit network in which the charging pile is located, which is sent by the control device;

[0014] Determining the charging power of the charging pile according to the total power used;

[0015] Control the charging pile to charge with the charging power.

[0016] In some embodiments, determining the charging power of the charging pile according to the total power used includes:

[0017] The charging power of the charging pile is determined according to the total power used and the rated power of the circuit network; wherein the total power used plus the charging power is less than the rated power of the circuit network.

[0018] In some embodiments, determining the charging power of the charging pile according to the total power used includes:

[0019] Obtaining the usage time of each branch in the circuit network;

[0020] Obtaining the current time and the estimated charging completion time, and determining the charging time period according to the current time and the estimated charging completion time;

[0021] Sending shutdown information to the control device so that the control unit of the control device controls the branch circuit whose usage time is not in the charging time period to be shut down;

[0022] Obtaining again the total power used by the circuit network in which the charging pile is located;

[0023] The charging power of the charging pile is determined according to the total power used.

[0024] In some implementations, obtaining the usage time of each branch in the circuit network includes:

[0025] Obtaining the usage time of the equipment on each branch in the circuit network;

[0026] The sending the shutoff information to the control device so that the control unit of the control device controls the branch circuit whose usage time is not in the charging time period to be shut off, comprises:

[0027] Sending shutdown information to the control device so that the control unit of the control device controls the branch where the device whose usage time is not in the charging time period is located to be shut down;

[0028] In some embodiments, controlling the charging pile to charge at the charging power includes:

[0029] Acquire the current time and the latest completion time, and determine the optional charging time period according to the current time and the latest completion time;

[0030] Determine the peak electricity price time period, the flat electricity price time period, and the valley electricity price time period;

[0031] Determine the low-valley electricity price charging time according to the optional charging time period and the low-valley electricity price time period;

[0032] Determine the total charging time according to the charging power of the charging pile;

[0033] When the off-peak electricity price charging time is greater than the total charging time, the charging pile is controlled to charge at the charging power during the off-peak electricity price time period.

[0034] In some embodiments, the method further comprises:

[0035] When the total power used is greater than the rated power of the circuit network, controlling the charging pile to stop charging; or,

[0036] Determine shutdown information according to preset rules;

[0037] Send shutdown information to the control device so that the control unit of the control device controls at least one of the N branches of the circuit network to shut down according to the shutdown information, so that the total power used is less than the rated power of the circuit network.

[0038] In a third aspect, an embodiment of the present application provides a control system for a charging pile, the control system comprising: a control device, a terminal and a charging pile; wherein:

[0039] The control device is used to detect the total power used by the circuit network where the charging pile is located, and send the total power used to the terminal;

[0040] The terminal is used to obtain the total power used by the circuit network in which the charging pile is located, which is sent by the control device; determine the charging power of the charging pile according to the total power used; and send the charging power to the charging pile;

[0041] The charging pile is used to receive the charging power sent by the terminal and charge according to the charging power.

[0042] The beneficial effect of the present invention is that the total power used by the circuit network in which the charging pile is located is detected by a power detection unit, so as to prevent the total power used from increasing to greater than the rated power of the circuit network due to the use of the charging pile, causing the circuit breaker to trip, or even causing an electricity safety accident. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a structural schematic diagram of a control device provided in an embodiment of the present application.

[0044] Figure 2 It is a network diagram of a circuit network provided in an embodiment of the present application.

[0045] Figure 3 It is a flow chart of a control method of a charging pile provided in an embodiment of the present application.

[0046] Figure 4 It is a structural schematic diagram of a control system of a charging pile provided in an embodiment of the present application.

[0047] Figure 5 It is a structural schematic diagram of a control device of a charging pile provided in an embodiment of the present application.

[0048] Figure 6 It is a structural diagram of a terminal provided in an embodiment of the present application.

[0049] Figure 7 It is a structural block diagram of a computer-readable storage medium provided in an embodiment of the present application. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0051] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0052] For the convenience of describing the first direction and the second direction in the embodiment of the present application, the first direction is the up-down direction in the drawings, the second direction is the front-back direction in the drawings, and the third direction is the left-right direction in the drawings. The x-axis arrow direction is referred to as the "up" direction in the following text, the y-axis arrow direction is referred to as the "back" direction in the following text, and the z-axis arrow direction is referred to as the "right" direction in the following text, which is not limited to the actual application of the present application.

[0053] See also Figure 1 , Figure 1 Schematic diagram of a control device provided in an embodiment of the present application. Figure 1 As shown, the control device 1 includes: a total power detection unit 11 and a communication unit 14 .

[0054] In some implementations, the total power detection unit 11 is used to detect the total power used by the circuit network in which the charging pile is located.

[0055] In some embodiments, the communication unit 14 is used to send the total power used to a terminal that is communicatively connected to the control device, so that the terminal determines the charging power of the charging pile according to the total power used.

[0056] Optionally, the communication unit 14 may be a wireless communication unit, such as a Bluetooth communication unit, so that the control device 1 can perform wireless communication with the terminal.

[0057] Optionally, the communication unit 14 may be a communication port, into which a connecting line may be inserted, so that the control device 1 performs wired communication with the terminal.

[0058] Optionally, the total power detection unit 11 may detect the total power used by the circuit network in which the charging pile is located by detecting the total current of the circuit network in which the charging pile is located.

[0059] Furthermore, when the total power detection unit 11 detects the total power used by the circuit network where the charging pile is located by detecting the total current of the circuit network where the charging pile is located, the power in the steps executed by the terminal in the specification can also be replaced by current.

[0060] In some embodiments, the control device 1 further includes N branch power detection units 12, each of which is disposed in a branch in the circuit network, and is used to detect the power of the branch; wherein N is a positive integer.

[0061] In some embodiments, the circuit network includes P branches; wherein P is a positive integer and P is greater than or equal to N.

[0062] Optionally, the branch of the circuit network described in the embodiment of the present application does not include the branch where the charging pile is located.

[0063] In some implementations, the number of branch power detection units 12 is equal to the number of branches of the circuit network, that is, each branch is provided with a branch power detection unit 12 .

[0064] In some embodiments, the control device 1 further includes: a control unit 15, wherein the control unit 15 is connected to a control switch of the branch, and the control unit 15 is used to control the control switch to control the opening and closing of the branch.

[0065] Optionally, each branch includes a control switch. When the circuit network includes P branches, the control unit 15 can control the control switch of any one of the P branches to control any one of the branches to be opened or closed.

[0066] In some embodiments, the control device further includes a device body 14 , on which operation buttons are provided for a user to operate the control device.

[0067] See also Figure 2 , Figure 2 is a network diagram of a circuit network provided in an embodiment of the present application. Figure 2 As shown, the circuit network includes a power supply end, a main air switch, a charging pile, a total power detection unit 11 and N branches.

[0068] In some embodiments, the power supply end may be a power supply grid.

[0069] In some embodiments, after the total power used by the circuit network is greater than the rated switch of the circuit network, the main air switch will trip to protect the circuit.

[0070] In some embodiments, the charging pile can be used to charge devices such as electric vehicles or intelligent robots.

[0071] In some embodiments, Figure 2 As shown, the circuit network includes a first branch 21, a second branch 22, ..., and an Nth branch 23.

[0072] In some embodiments, each branch includes a branch power detection unit, an air switch, and a control switch belonging to a control device.

[0073] Further, Figure 2 Each branch circuit includes an electrical device, but Figure 2 This is just an example, and whether each branch includes electrical equipment is determined by actual usage.

[0074] In some embodiments, Figure 2 The air switch in the circuit breaker can be replaced by other circuit breakers, and this application does not limit it.

[0075] See also Figure 3 , Figure 3 is a flow chart of a control method for a charging pile provided in an embodiment of the present application. The method is applied to a terminal, and the terminal is connected to the control device for communication, such as Figure 3 As shown, the method 100 includes steps 110 to 130 .

[0076] Step 110: Obtain the total power used by the circuit network in which the charging pile is located, which is sent by the control device.

[0077] Step 120: Determine the charging power of the charging pile according to the total power used.

[0078] In some embodiments, step 120 includes the following steps.

[0079] (1) Determining the charging power of the charging pile according to the total power used and the rated power of the circuit network; wherein the total power used plus the charging power is less than the rated power of the circuit network.

[0080] Specifically, the circuit network has a rated power. When the total power used by the circuit network is greater than the rated power, a circuit breaker of the circuit network, such as a main air switch, may trip, and even cause an electrical safety accident.

[0081] In some embodiments, the step of determining the charging power of the charging pile according to the total power used and the rated power of the circuit network includes the following steps.

[0082] (1.1) Determine the remaining available power based on the total power used and the rated power of the circuit network.

[0083] (1.2) When the remaining available power is greater than or equal to the rated power of the charging pile, the charging power of the charging pile is determined to be the rated power of the charging pile.

[0084] (1.3) When the remaining available power is less than the rated power of the charging pile, the charging power of the charging pile is determined to be the remaining available power.

[0085] Through the above method, when the remaining available power is sufficient, the charging pile is controlled to charge at the rated power; when the remaining available power is insufficient, the charging pile is controlled to charge at the remaining available power, thereby preventing the situation where the total power used by the charging pile exceeds the rated power of the charging network due to the large rated power of the charging pile, thereby ensuring the charging safety of the charging pile.

[0086] In some embodiments, because when the total power used is equal to the rated power, any new electrical equipment used by the user will cause the total power used to exceed the rated power, which is not safe. Therefore, a certain amount of reserved power can be reserved for the charging network. At this time, the remaining available power = rated power - total power used - reserved power.

[0087] In some embodiments, step 120 includes the following steps.

[0088] (1) Obtaining the usage time of each branch in the circuit network.

[0089] In some embodiments, the usage time of each branch refers to the usage time period of each branch. For example, assuming Figure 2 The usage time of the first branch 21 in is from 00:00 to 24:00, which means that the first branch 21 needs to be used all day long. Figure 2 The usage time of the second branch road 22 is 14:00 to 16:00, which means that the second branch road is only used from 2 pm to 4 pm and is not used during the rest of the time.

[0090] Optionally, the use of the branch means that the power supply end supplies power to the branch, and the branch is opened, and at this time, the control switch in the branch is closed.

[0091] Optionally, the branch is not in use means that the power supply end does not supply power to the branch, and the branch is turned off, and at this time, the control switch in the branch is disconnected.

[0092] In some implementations, the use time of each branch may be obtained by recording the opening time and closing time of each branch.

[0093] In some implementations, the power of each branch may be recorded, and when the branch power is greater than a preset power, the branch is considered to be in use, so as to obtain statistics on the use time of each branch.

[0094] In some embodiments, the usage time of each branch may be input by the user.

[0095] (2) Obtaining the current time and the estimated charging completion time, and determining the charging time period according to the current time and the estimated charging completion time.

[0096] In some implementations, the estimated charging completion time is the current time plus a preset time.

[0097] Optionally, the terminal can also communicate with the device to be charged, such as the vehicle to be charged, to obtain the current power of the vehicle, determine the amount of power required to be charged according to the current power of the vehicle, and determine the preset time according to the amount of power required to be charged and the rated power of the charging pile.

[0098] (3) Sending shutdown information to the control device so that the control unit of the control device controls the branch whose usage time is not in the charging time period to be shut down.

[0099] (4) Obtaining again the total power used by the circuit network in which the charging pile is located.

[0100] Specifically, after the branch whose usage time is not in the charging time period is controlled to be turned off, the total power used by the circuit network will change, so it is necessary to obtain the total power used by the circuit network where the charging pile is located again.

[0101] (5) Determine the charging power of the charging pile according to the total power used.

[0102] In some implementations, the specific steps for determining the charging power of the charging pile according to the total power used can be referred to the introduction in the above part of the specification, which will not be repeated here.

[0103] In some embodiments, it is necessary to refer to a preset time when calculating the estimated charging completion time, and the preset time is calculated by the rated power of the charging pile. After determining the charging power of the charging pile, if the charging power is less than the rated power, the estimated charging completion time will be shorter than the actual charging completion time. In this case, when the charging power determined in step (5) is less than or equal to the rated power, after executing step (5), the estimated charging completion time can be recalculated based on the charging power determined in step (5), and then the process returns to execute step (2).

[0104] In some embodiments, when the charging power determined in step (5) is equal to the rated power, the charging pile is controlled to operate at the rated power.

[0105] In some embodiments, when the charging power determined in step (5) is not equal to the rated power and there is no switchable branch in the charging time period recalculated from the charging power determined in step (5), the charging pile is controlled to operate at the charging power determined in step (5).

[0106] Through the above method, not only can charging safety be guaranteed, but also the charging pile can be ensured to work at maximum power.

[0107] In some implementations, obtaining the usage time of each branch in the circuit network includes:

[0108] Obtaining the usage time of the equipment on each branch in the circuit network;

[0109] The sending the shutoff information to the control device so that the control unit of the control device controls the branch circuit whose usage time is not in the charging time period to be shut off, comprises:

[0110] The shutdown information is sent to the control device, so that the control unit of the control device controls the branch where the device whose usage time is not in the charging time period is located to be shut down.

[0111] Specifically, the devices used by certain branches may not be fixed. For example, a refrigerator may always use the same branch, but devices such as mobile phone chargers may use different branches. Therefore, the present application can analyze the electrical devices connected to each branch to determine the specific type of the electrical devices. For example, it can analyze whether the electrical device is a refrigerator or a light bulb. After the analysis is completed, the usage time of the corresponding device can be obtained according to the specific type of each electrical device.

[0112] In some implementations, a correspondence table between the power of electrical equipment and the equipment type may be established, the branch power may be detected by a branch power detection unit of the control device, and the specific type of the electrical equipment on the branch may be determined based on the detected branch power.

[0113] Through the above method, the control of the charging pile can be more intelligent, reducing the possibility of closing the branch that the user is using.

[0114] In some embodiments, step 120 includes the following steps.

[0115] (1) Obtaining a current time and a latest completion time, and determining an optional charging time period according to the current time and the latest completion time.

[0116] In some embodiments, the latest completion time is the latest time for charging completion set by the user, that is, the charging pile needs to fully charge the device to be charged before the latest completion time, or charge it to a preset power level.

[0117] (2) Determine the peak electricity price time period, the flat electricity price time period, and the valley electricity price time period.

[0118] Specifically, the peak-valley electricity price is also called the "time-of-use electricity price". It is an electricity price system that calculates electricity charges according to peak electricity consumption and valley electricity consumption. Peak electricity consumption generally refers to electricity consumption when electricity users are concentrated and power supply is tight, such as during the day, and the charging standard is higher; valley electricity consumption generally refers to electricity consumption when there are fewer electricity users and power supply is sufficient, such as at night, and the charging standard is lower. The implementation of peak-valley electricity prices is conducive to encouraging electricity users to stagger electricity consumption time and make full use of equipment and energy.

[0119] (3) Determine the low-valley electricity price charging time according to the optional charging time period and the low-valley electricity price time period.

[0120] (4) Determine the total charging time according to the charging power of the charging pile.

[0121] (5) When the off-peak electricity price charging time is greater than the total charging time, control the charging pile to charge at the charging power during the off-peak electricity price time period.

[0122] In some embodiments, controlling the charging pile to charge with the charging power during the off-peak electricity price time period refers to controlling the charging pile to charge with the charging power during an overlapping time period of the off-peak electricity price time period and an optional charging time period.

[0123] In some embodiments, when the valley electricity price charging time is greater than the total charging time, the charging pile is controlled to charge at the charging power during the overlapping time period of the valley electricity price time period and the optional charging time period so that the charging time is equal to the total charging time.

[0124] In some embodiments, if the total charging time is greater than the valley electricity price charging time, the first charging time is obtained by subtracting the valley electricity price charging time from the total charging time, and the flat electricity price charging time is determined according to the optional charging time period and the flat electricity price time period. When the first charging time is less than or equal to the flat electricity price charging time, the charging pile is controlled to charge for the first charging time at the charging power within the overlapping time period of the flat electricity price time period and the optional charging time period.

[0125] In some embodiments, when the first charging time is greater than the flat-rate electricity price charging time, the flat-rate electricity price charging time is subtracted from the first charging time to obtain the second charging time, and the charging pile is controlled to charge for the first charging time at the charging power during the overlapping time period of the flat-rate electricity price time period and the optional charging time period, and the charging pile is controlled to charge for the second charging time at the charging power during the overlapping time period of the peak electricity price time period and the optional charging time period.

[0126] Exemplarily, the current time is defined as 17:00, and the latest charging completion time is 6:00 the next day. The optional charging time period is 17:00-6:00, and the daily peak electricity price time periods are 7:00-11:00 and 19:00-23:00; the flat electricity price time period is 11:00-19:00; the valley electricity price time period is 23:00-7:00 the next day. At this time, the overlapping time period of the valley electricity price time period and the optional charging time period is 23:00-6:00 the next day, and the valley electricity price charging time is 7 hours. When the total charging time is less than or equal to 7 hours, for example, 6 hours, the charging pile is controlled to charge at the charging power in the valley electricity price time period, that is, the charging pile is controlled to charge in the overlapping time period of the valley electricity price time period and the optional charging time period, from 23:00 to 6:00 the next day, for a total charging time of 6 hours.

[0127] Exemplarily, when the total charging time is greater than 7 hours, for example, 8 hours, the charging pile is controlled to charge at the charging power during the valley electricity price time period, that is, the charging pile is controlled to charge for 7 hours from 23:00 to 6:00 the next day, which is the overlapping time period of the valley electricity price time period and the optional charging time period, and the charging pile is controlled to charge for 1 hour from 19:00 to 23:00, which is the overlapping time period of the flat electricity price time period and the optional charging time period.

[0128] Step 130: Control the charging pile to charge with the charging power.

[0129] In some embodiments, the control method of the charging pile provided in the present application further includes:

[0130] (1) When the total power used is greater than the rated power of the circuit network, the charging pile is controlled to stop charging.

[0131] (2) Alternatively, the shutdown information is determined according to a preset rule.

[0132] (3) Sending shutdown information to the control device so that the control unit of the control device controls at least one of the N branches of the circuit network to shut down according to the shutdown information, so that the total power used is less than the rated power of the circuit network.

[0133] In some embodiments, when the total power used is greater than the rated power of the circuit network, there is a risk of tripping or even fire. At this time, you can choose to control the charging pile to stop charging to reduce the total power used. After the total power used plus the charging power of the charging pile is less than the rated power, restart the charging process.

[0134] In some implementations, when the total power used is greater than the rated power of the circuit network, some branches may be shut down to reduce the total power used.

[0135] Optionally, the user can set a closable / non-closable label for each branch on the terminal APP, and each branch can also be set with a usage time or the terminal can automatically count the usage time based on usage information. When the total power used is greater than the rated power of the circuit network, the preset rule can be to shut down the branch whose label is closable and the usage time does not include the current time.

[0136] See also Figure 4 , Figure 4 Schematic diagram of a control system of a charging pile provided in an embodiment of the present application. Figure 4 As shown, the control system 200 of the charging pile includes a control device 210 , a terminal 220 and a charging pile 230 .

[0137] In some implementations, the control device 210 is used to detect the total power used by the circuit network in which the charging pile is located, and send the total power used to the terminal.

[0138] In some embodiments, the terminal 220 is used to obtain the total power used by the circuit network in which the charging pile is located, which is sent by the control device; determine the charging power of the charging pile according to the total power used; and send the charging power to the charging pile.

[0139] In some embodiments, the charging station 230 is used to receive the charging power sent by the terminal and charge according to the charging power.

[0140] See also Figure 5 , Figure 5 Schematic diagram of the structure of a control device for a charging pile provided in an embodiment of the present application. The device is applied to a terminal, and the terminal is connected to the control device for communication, such as Figure 5 As shown, the control device 300 of the charging pile includes an acquisition unit 310 , a determination unit 320 and a control unit 330 .

[0141] The acquisition unit 310 is used to acquire the total power used by the circuit network in which the charging pile is located, which is sent by the control device.

[0142] The determination unit 320 is configured to determine the charging power of the charging pile according to the total power used.

[0143] The control unit 330 is used to control the charging pile to charge with the charging power.

[0144] The contents of the remaining units can be found in the description of the control method of the charging pile in the manual, which will not be repeated here.

[0145] Please refer to Figure 6 , Figure 6 Schematic diagram of a terminal structure provided by an embodiment of the present application. Figure 6 As shown, the terminal 400 includes: one or more processors 410 and a memory 420, Figure 6 A processor 410 is taken as an example.

[0146] In some implementations, the processor 410 and the memory 420 may be connected via a bus or other means. Figure 6 The example of connecting through bus is taken in the following.

[0147] In some embodiments, the processor 410 is used to obtain the total power used by the circuit network in which the charging pile is located, which is sent by the control device; determine the charging power of the charging pile according to the total power used; and control the charging pile to charge with the charging power.

[0148] In some embodiments, the memory 420 is a non-volatile computer-readable storage medium that can be used to store non-volatile software programs, non-volatile computer executable programs and modules, such as program instructions / modules of the terminal control method in the embodiment of the present application. The processor 410 executes various functional applications and data processing of the terminal by running the non-volatile software programs, instructions and modules stored in the memory 420, that is, the terminal control method of the above method embodiment is implemented.

[0149] In some embodiments, the memory 420 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function; the data storage area may store data created according to the use of the terminal, etc. In addition, the memory 420 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some embodiments, the memory 420 may optionally include a memory remotely arranged relative to the processor 410, and these remote memories may be connected to the controller via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0150] In some implementations, one or more modules are stored in the memory 420, and when executed by one or more processors 410, the terminal control method in any of the above method embodiments is executed, for example, the above described Figure 3 Method steps 110 to 130 in.

[0151] Please refer to Figure 7 , Figure 7 The computer-readable storage medium 500 stores a program code 510, which can be called by a processor to execute the terminal control method described in the above method embodiment.

[0152] The computer-readable storage medium 500 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read-only memory), an EPROM, a hard disk, or a ROM. Optionally, the computer-readable storage medium includes a non-transitory computer-readable storage medium. The computer-readable storage medium 500 has storage space for program codes that execute any method steps in the above-mentioned control method. These program codes can be read from or written to one or more computer program products. The program code can be compressed, for example, in an appropriate form.

[0153] In summary, the present application provides a control device, a control method and a system for a charging pile, wherein the control device includes: a total power detection unit for detecting the total power used by the circuit network in which the charging pile is located; and a communication unit for sending the total power used to a terminal that is communicatively connected to the control device, so that the terminal determines the charging power of the charging pile according to the total power used. The present application detects the total power used by the circuit network in which the charging pile is located by a power detection unit, so as to prevent the total power used from increasing to a level greater than the rated power of the circuit network due to the use of the charging pile, causing the circuit breaker to trip, or even causing an electricity safety accident.

[0154] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A control method for a charging pile, characterized in that: Applied to a terminal, the terminal is communicatively connected with a control device, and the method comprises: Obtain the total power used by the circuit network of the charging pile sent by the control device; Determining the charging power of the charging pile according to the total power used; The determining the charging power of the charging pile according to the total power used includes: Determining the remaining available power according to the total power used and the rated power of the circuit network; When the remaining available power is greater than or equal to the rated power of the charging pile, determining the charging power of the charging pile to be the rated power of the charging pile; When the remaining available power is less than the rated power of the charging pile, determining the charging power of the charging pile to be the remaining available power; Controlling the charging pile to charge at the charging power; The determining the charging power of the charging pile according to the total power used includes: Obtaining the usage time of each branch in the circuit network; Obtaining the current time and the estimated charging completion time, and determining the charging time period according to the current time and the estimated charging completion time; Sending shutdown information to the control device so that the control unit of the control device controls the branch circuit whose usage time is not in the charging time period to be shut down; Obtaining again the total power used by the circuit network in which the charging pile is located; Determining the charging power of the charging pile according to the total power used; The obtaining of the usage time of each branch in the circuit network includes: Determine the equipment type of the equipment on each branch according to the branch power on each branch; Obtaining the usage time of the equipment on each branch in the circuit network according to the equipment type of the equipment on each branch; wherein the usage time of the equipment on each branch refers to the usage time period of the equipment on each branch every day; according to the corresponding relationship table between the power and equipment type of the electric equipment, detecting the branch power to determine the specific type of the electric equipment on the branch, so as to obtain the usage time of the corresponding equipment according to the specific type of each electric equipment; The sending the shutoff information to the control device so that the control unit of the control device controls the branch circuit whose usage time is not in the charging time period to be shut off, comprises: Sending shutdown information to the control device so that the control unit of the control device controls the branch where the device whose usage time is not in the charging time period is located to be shut down; The determining the charging power of the charging pile according to the total power used includes: Obtaining the current time and the latest completion time, and determining an optional charging time period according to the current time and the latest completion time; Determine the peak electricity price time period, the flat electricity price time period, and the valley electricity price time period; Determine the low-valley electricity price charging time according to the optional charging time period and the low-valley electricity price time period; Determine the total charging time according to the charging power of the charging pile; When the off-peak electricity price charging time is greater than the total charging time, the charging pile is controlled to charge at the charging power during the off-peak electricity price time period.

2. The method according to claim 1, characterized in that The determining the charging power of the charging pile according to the total power used includes: The charging power of the charging pile is determined according to the total power used and the rated power of the circuit network; wherein the total power used plus the charging power is less than the rated power of the circuit network.

3. The method according to claim 1, characterized in that The method further comprises: When the total power used is greater than the rated power of the circuit network, controlling the charging pile to stop charging; or, Determine shutdown information according to preset rules; Send shutdown information to the control device so that the control unit of the control device controls at least one of the N branches of the circuit network to shut down according to the shutdown information, so that the total power used is less than the rated power of the circuit network.

4. A control system for a charging pile, characterized in that: The control system includes: a control device, a terminal and a charging pile; wherein, The control device is used to detect the total power used by the circuit network where the charging pile is located, and send the total power used to the terminal; The terminal is used to execute the control method of the charging pile according to any one of claims 1 to 3; The charging pile is used to receive the charging power sent by the terminal and charge according to the charging power.

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