CN217335179U - Battery distribution charging module - Google Patents

Abstract

The utility model relates to a battery distribution and charging module, which is used to supply a power distribution and output. The battery distribution and charging module comprises a solar battery group, a power storage pool, an electric energy management device and an energy storage device. The solar battery group is a The light energy is converted into the electric energy, the power storage battery is electrically connected to the solar battery pack, and is used to receive and temporarily store the electric energy, and the power management device is electrically connected to the electric energy storage battery and is used for control For the split output of the electric energy, the energy storage device is electrically connected to the power management device and the power storage battery, and is controlled by the power management device for split charging and controlled by the power management device. Shunt power supply.

Description

Battery distribution charging module

technical field

The utility model relates to an energy storage component distribution electric energy storage module of a parking column system, which relates to charge-discharge control and shunt charging of the energy storage component, so as to prolong the life of the battery and the use time of the parking column system.

Background technique

At present, the automation of on-street parking management is becoming more and more intensive. The most common method is to set up a parking recognition device around the parking grid, and then use the image to identify the vehicle license plate number in the parking grid to calculate the parking time and cost. However, , The previous parking identification devices are connected to the general commercial power as the driving power. If it is a single parking lot, only the license plate identification device can be installed at the vehicle entrance and exit to manage.

However, if it is a general roadside parking space, in order to manage each parking space, a parking column with a parking identification device must be installed in each parking space. Frequent charging and discharging will cause adverse effects of over-discharge or over-charging of energy storage components. In personnel deployment, energy storage components must be replaced frequently, which will be a great burden on personnel deployment.

If the above-mentioned parking column is to be installed in the form of a power distribution circuit, the current available method is to use the solar battery pack as the source of electricity, and the battery that stores the electricity will suffer from frequent charging and discharging or frequent overcharging, which will lead to the life of the stored electricity being shortened. Influence, and if the battery is frequently replaced, it will cause trouble in the operation.

Therefore, how to provide a battery life that can prolong the battery life of a parking post using a solar battery pack as a power source, so that the operator does not need to perform frequent replacement operations, will be the focus and focus of this case.

SUMMARY OF THE INVENTION

One of the purposes of the present invention is a battery distribution charging module that can prolong the battery life of the parking post.

Another purpose of the present invention is a battery distribution and charging module that can reduce the need for operators to frequently replace batteries.

This creation is a battery distribution and charging module, which provides a power distribution output parking post device. The battery distribution and charging module includes a solar battery pack, a power storage pool, an energy management device, and an energy storage device. The solar energy The battery pack is for converting light energy into the electrical energy, the power storage battery is electrically connected to the solar battery pack, and is used to receive and temporarily store the electrical energy, and the power management device is electrically connected to the power storage battery, And for controlling the split output of the electric energy, the energy storage device is electrically connected to the power management device and the power storage battery, and is controlled by the power management device for split charging, and receives the electric energy. The management device controls the shunt power supply parking column device.

A battery distribution and charging module of the present invention temporarily stores electric energy through a power storage battery, and diverts it to an energy storage device for charging to avoid overcharging of the power. It can be effectively extended and can reduce the frequent replacement of batteries by operators to achieve the above purpose.

Description of drawings

1 is a block diagram of a first preferred embodiment of a battery distribution and charging module of the present case;

FIG. 2 is a circuit diagram of an energy storage device of the battery distribution charging module of FIG. 1;

Fig. 3 is the circuit diagram when the energy storage unit of the energy storage device of Fig. 2 is precharged;

4 is a circuit diagram of a switched and charging circuit of the energy storage unit of the energy storage device of FIG. 2 when it needs to be charged;

5 is a block diagram of a power management device according to a first preferred embodiment of a battery distribution and charging module of the present application;

6 is a circuit diagram of an energy storage device of the battery distribution charging module of FIG. 5; and

FIG. 7 is a circuit diagram of the energy storage device of FIG. 6 when only one set of energy storage units is left for charging.

Detailed ways

The present invention creates a battery distribution and charging module, as shown in FIG. 1 , in this example, it provides an electric energy shunt output to a parking column body 1 to manage and identify a parking state of a vehicle in at least one parking compartment, and the battery is distributed and charged. The module 2 includes a solar battery pack 21, a power storage pool 22, a power management device (BMS) 23 and an energy storage device 24, wherein a solar battery pack 21 is used to convert the light energy of solar energy into the electrical energy, The power storage battery 22 is electrically connected to the solar battery group 21 and is used for receiving and temporarily storing electrical energy. The power management device 23 is electrically connected to the power storage battery 22 and is used to control the shunt output of the electrical energy. The energy storage device 24 is a The power management device 23 and the power storage battery 22 are electrically connected, and the power management device 23 controls the shunt charging, and the power management device 23 controls the shunt power supply to the parking post device 10 .

In this example, the battery distribution and charging module 2 further includes a signal transmission controller 25. The signal transmission controller 25 is used by the power management device 23 to transmit power control signals to the parking column device 10 through UART, RS232, RS485 or TCP/IP. On the other hand, the battery distribution and charging module 2 may further include a power converter 26 for performing step-up/step-down modulation of the power transmitted by the switching power management device 23 and outputting the power to the parking post device 10 . In this example, the power storage battery 22 is a super capacitor as an example, and for those skilled in the art, it can also be replaced by a lithium-ion battery.

Referring to FIG. 2 together, in this example, the energy storage device 24 includes a charging circuit 241 , a discharging circuit 242 , a plurality of energy storage units 243 and a plurality of multiplexers 244 , and the charging circuit 241 has a plurality of first charging circuits terminal 2411 and a plurality of second charging terminals 2412, the discharge circuit 242 has a plurality of first discharging terminals 2421 and a plurality of second discharging terminals 2422, and the plurality of energy storage units 243 respectively have two connecting terminals 2431, 2432, the connecting terminal 2431 Each of the first charging terminals 2411 and each of the first discharging terminals 2421 are respectively electrically connected, and the multiplexers 244 are respectively electrically connected to each of the second charging terminals 2412 and each of the second discharging terminals 2422 and the corresponding storage terminals 2412 . The other connecting end 2432 of the energy unit, wherein the multiplexer 244 is controlled by the power management device 23 and makes each energy storage unit 243 conduct with the charging circuit 241, or conduct with the discharging circuit 242, or conduct non-conduction Pass.

In addition, the actual number of energy storage units 243 is 15 groups used alternately. For the convenience of description, three groups are taken as an example in this example. When the first group of energy storage units 243 (A) and the discharge circuit (red line) 242 are in conduction When discharged to the parking column device 10, the energy storage units 243 (B) and (C) are non-conductive, and as shown in FIG. 3, when the energy storage unit 243 (A) of the parking column device 10 is precharged , the energy storage unit 243(B) is switched to be in conduction with the discharge circuit 242 and is discharged to the parking column device 10. As shown in FIG. 4, when the energy storage unit 243(A) discharged to the parking column device 10 needs to be charged The switched and charging circuit 241 is turned on and charged, and so on.

The present invention creates another embodiment of a battery distribution and charging module. Referring to FIG. 1 and FIG. 5 together, the power management device 23 includes a battery charging detection unit 231 , a battery protection unit 232 , a power query unit 233 , A battery monitoring and maintenance unit 234 and a circuit switch unit 235, the battery charging detection unit 231 is for detecting the charging state of the energy storage unit 243 shown, the battery protection unit 232 is for protecting the energy storage unit 243, The power query unit 233 is for querying the power of the energy storage unit 243 , the battery monitoring and maintenance unit 234 is for monitoring and maintaining the energy storage unit 243 , and the circuit switch unit 235 is for controlling the multiplexer 244 In order to switch the conduction state and conduction loop of each energy storage unit 243 .

Referring to FIG. 6 together, the battery monitoring and maintenance unit 234 is disposed on the charging circuit 241 and the discharging circuit 242, and is used to detect whether the power of the charging circuit 241 and the discharging circuit 242 is stable. When the battery monitoring and maintenance unit 234 detects the discharging circuit When the power of 242 is unstable, it means that the power of the energy storage unit 243 (A) is about to be exhausted, and it is determined that the energy storage unit 243 (A) discharged to the parking column device 10 needs to be charged, and the circuit switch unit 235 controls the multiplexer 244, in order to switch the energy storage unit 243 to be charged and the electrical circuit 241 to conduct, the next group of energy storage units 243 (B) are discharged, and when the next group of energy storage units 243 (B) are discharged, because there is a voltage difference relationship, the battery is fully charged at 4.2V, and the rated discharge voltage is 3.6V. The battery monitoring and maintenance unit 234 will balance the power supply and switch the first group of energy storage units 243(A) to charging. When the battery monitoring and maintenance unit 234 When the 234 detects that the energy storage unit 243 of the charging circuit 241 has been charged to the rated capacity, the circuit switch unit 235 controls the multiplexer 244 to switch the energy storage unit 243 that has been charged to the rated capacity to be non-conductive to prevent the battery Overcharge can cause damage.

In this example, when the critical voltage of the energy storage unit 243 is at 10% of the electricity, no matter how many percent it is charged, it is stable when it is discharged to 10%, and the state of sequential charging can still be achieved, as shown in FIG. When the battery charging detection unit 231 determines that the chargeable quantity of the energy storage units 243 is lower than a predetermined amount, for example, only one set of energy storage units 243 (D) is left for charging, the power management device 23 generates and issues a replacement The battery command is sent to the background, and then the relevant personnel will carry out the battery replacement operation.

A battery distribution and charging module of the present invention temporarily stores electric energy through a power storage battery and diverts it to the energy storage device, so that the energy storage unit can be charged evenly, and the electric energy management device controls the charging and discharging of the energy storage device to avoid In this way, the charging life of the energy storage unit can be effectively extended, and the frequent replacement of the battery by the operator can be reduced, and the above-mentioned purpose can be achieved.

The above-mentioned embodiments are only examples for the convenience of description, although any modifications may be made by those skilled in the art, they will not deviate from the scope of protection as claimed in the claims.

Claims (10)

1. A battery distribution and charging module that provides an electric energy shunt output, the battery distribution and charging module comprising: a solar cell group for converting light energy into the electrical energy; an electric power storage battery, which is electrically connected to the solar battery group for receiving and temporarily storing the electric energy; a power management device, which is electrically connected to the power storage battery and is used to control the shunt output of the power; and An energy storage device is electrically connected to the power management device and the power storage battery, and is controlled by the power management device for shunt charging, and controlled by the power management device for shunt power supply. 2. The battery distribution and charging module according to claim 1, further comprising a parking column device for managing and identifying a parking state of a vehicle of at least one parking compartment, the parking column device being electrically connected to the energy storage device, And receive the shunt power supply of the energy storage device. 3. The battery distribution charging module of claim 2, wherein the energy storage device comprises: a charging circuit having a plurality of first charging terminals and a plurality of first charging terminals; a discharge loop having a plurality of first charging terminals and a plurality of second charging terminals; a plurality of energy storage units, respectively having two connecting ends, one of the connecting ends is electrically connected to each of the first charging ends and each of the first charging ends, respectively; and A plurality of multiplexers are respectively electrically connected to each of the first charging terminals and each of the second charging terminals and the other connection terminals of the corresponding energy storage units, and the multiplexers are controlled by the power management device Control and make each of the energy storage units conduct with the charging circuit, or conduct with the discharging circuit, or conduct non-conduction. 4. The battery distribution and charging module according to claim 3, wherein when at least one of the energy storage units is in conduction with the discharge circuit and is discharged to the parking post device, at least another of the energy storage units is non-conductive, when the energy storage units discharged to the parking column device body are precharged, at least another of the energy storage units is switched to be conductive with the discharge circuit and discharged to the parking column device, When the energy storage units discharged to the parking post device need to be charged, they are switched to be in conduction with the charging circuit and are charged. 5. The battery distribution charging module of claim 4, wherein the power management device comprises: a battery charging detection unit for detecting the charging state of the energy storage units; a battery protection unit for protecting the energy storage units; an electric quantity inquiry unit for inquiring the electric quantity of the energy storage units; A battery monitoring and maintenance unit for monitoring and maintaining the energy storage units; and A circuit switch unit is used to control the multiplexers to switch the conduction state and the conduction loop of the energy storage units. 6 . The battery distribution charging module of claim 5 , wherein the battery monitoring and maintenance unit is disposed on the charging circuit and the discharging circuit, and is used to detect whether the power of the charging circuit and the discharging circuit is stable. 7 . 7. The battery distribution charging module according to claim 6, wherein when the battery monitoring and maintenance unit detects that the voltage and current of the discharge circuit are unstable, it determines that the energy storage units discharged to the parking column device need to be charged, and The multiplexers are controlled by the circuit switch unit to switch the energy storage units to be charged and the charging circuit to be turned on, and the battery monitoring and maintenance unit detects that the energy storage units of the charging circuit have been charged When the rated capacity is reached, the circuit switching unit controls the multiplexers to switch the energy storage units charged to the rated capacity to be non-conductive. 8 . The battery distribution and charging module according to claim 5 , wherein when the battery charging detection unit determines that the chargeable quantity of the energy storage units is lower than a predetermined quantity, the power management device generates and issues a battery replacement command. 9 . . 9. The battery distribution charging module of claim 1, wherein the power reservoir is a supercapacitor or a lithium-ion battery. 10. The battery distribution charging module of claim 2, further comprising: a signal transmission controller for the power management device to transmit power control signals to the parking post device through UART, RS232, RS485 or TCP/IP; and A power converter is electrically connected to the power management device and the parking post device, and the power converter is used to perform step-up/step-down modulation for the power transmitted by the power management device and output to the parking post device.

Images