CN211790927U - Battery replacing cabinet structure - Google Patents

Abstract

The utility model discloses a trade battery cabinet structure, including setting up the battery in trading the battery cabinet main part, the battery loops through first AD DC conversion module, first relay with commercial power interface and is connected, commercial power interface passes through second AD DC conversion module and is connected with output device, the battery loop through second relay connection, DC step-down module with output device connects, is used for do after commercial power outage of commercial power interface output device supplies power. Through setting up the battery in trading the battery cabinet main part, connect through first AD DC conversion module, first relay and commercial power interface, under normal condition, the commercial power through commercial power interface output charges, and under the commercial power outage, second relay connection, DC step-down module with output device connects, is used for do after the commercial power outage of commercial power interface output device power supply improves the operational reliability who trades the electricity cabinet.

Description

A switch cabinet structure

technical field

The utility model relates to the technical field of a power exchange cabinet structure, in particular to a power exchange cabinet structure.

Background technique

Battery swapping is the development trend of the electric vehicle industry. Now there are many companies on the market that have entered this industry, and the device that implements battery swapping is called a battery swapping cabinet. Most of the existing power exchange cabinets are smart power exchange cabinets.

Intelligent power exchange cabinets are also called shared power exchange cabinets, shared battery cabinets, power exchange stations, and battery exchange stations. As the name suggests, they are used for battery replacement. In the past, when people's electric vehicles were out of power, they needed to find a place with a ground plug to connect the electric vehicles to the power supply to charge.

This traditional charging method is not only inconvenient, but for people who need time, finding a place to charge is a very troublesome problem and requires a lot of time. And if it is an emergency, many people can accept or actively help charging for moral reasons, but long-term and frequent charging, for the power provider, on the one hand, affects normal life, on the other hand, causes power loss and causes economic losses. It is very convenient for takeaway and express delivery workers to have a stable power supply, and it is also a good news for ordinary citizens to be able to charge their electric vehicles when using them. With the power exchange cabinet, when the user uses the power exchange cabinet, he only needs to scan with his mobile phone to replace the fully charged battery with the dead battery. This not only saves user time, improves work efficiency, but is also very convenient and fast to use.

However, the existing power exchange cabinets also have many deficiencies. For example, the charging method is to use the mains connection for charging, but after the mains fails or the power exchange cabinet fails, the entire power exchange cabinet cannot be charged normally, and the outside world cannot scan the code through the mobile phone due to the lack of power. Open, very inconvenient to use.

Utility model content

The purpose of the utility model is to provide a power exchange cabinet structure, so that the power exchange cabinet can still be used normally after the mains power is interrupted, and the reliability of the device is improved.

In order to solve the above technical problems, the embodiment of the present invention provides a power exchange cabinet structure, including a battery arranged in the main body of the power exchange cabinet, and the battery and the mains interface pass through the first AD/DC conversion module, the first relay connection, the mains interface is connected to the output device through the second AD/DC conversion module, the battery is connected to the output device through the second relay and the DC/DC step-down module in sequence, and is used in the mains The output device is powered after the mains of the electrical interface is powered off.

Wherein, it also includes a PCB control module arranged between the first AD/DC conversion module and the first relay, and the PCB control module is used to connect and control the cabinet door lock and charging indicator light of the power exchange cabinet main body and the working state of the cooling fan, the PCB control module is connected through a first relay and controls the opening or closing of the cabinet door lock.

Wherein, it also includes a relay signal detection device arranged between the second AD/DC conversion module and the output device, and the relay signal detection device sends the mains signal of the mains interface to the connected first a relay, the second relay and the third relay.

Wherein, it also includes an anti-backflow protection module connected to the battery, which is used to prevent the conflict between the mains and the battery after the mains of the mains interface is restored.

Wherein, it also includes a relay automatic control device connected with the first relay, the second relay and the third relay, which controls the working state of the first relay and the third relay to be the same, and is the same as that of the first relay and the third relay. The working state of the second relay is reversed.

Wherein, it also includes a power detection module connected to the battery for detecting the remaining power of the battery and displaying it through the display screen of the output device.

It also includes an alarm device connected to the battery and the power detection module, and sends an alarm signal to a designated person when the power of the battery is lower than a threshold.

Compared with the prior art, the power exchange cabinet structure provided by the embodiment of the present invention has the following advantages:

In the power exchange cabinet structure provided by the embodiment of the present invention, a battery is arranged in the main body of the power exchange cabinet, the first AD/DC conversion module and the first relay are connected to the mains interface, and in a normal state, the output is output through the mains interface. When the mains power is cut off, the second relay is connected, and the DC/DC step-down module is connected to the output device, so as to supply power to the output device after the mains power supply of the mains interface is cut off. , to improve the operational reliability of the power exchange cabinet.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the structure of a power exchange cabinet provided by the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 , which is a schematic structural diagram of an embodiment of the structure of a power exchange cabinet provided by the present invention.

In a specific embodiment, the structure of the power exchange cabinet includes a battery 40 disposed in the main body of the power exchange cabinet. The battery 40 and the mains interface 10 pass through the first AD/DC conversion module 30 and the first relay in sequence. 20, the mains interface 10 is connected to the output device 50 through the second AD/DC conversion module 11, the battery 40 is connected to the output device 50 through the second relay 41 in turn, and the DC/DC step-down module 42 is connected to the output device 50. , for supplying power to the output device 50 after the mains interface 10 is powered off.

By arranging the battery 40 in the main body of the power exchange cabinet, it is connected to the mains interface 10 through the first AD/DC conversion module 30 and the first relay 20. When the power is cut off, the second relay 41 is connected, and the DC/DC step-down module 42 is connected with the output device 50, so as to supply power to the output device 50 after the power supply of the commercial power interface 10 is cut off, so as to increase the power supply. Operational reliability of the power exchange cabinet.

The power exchange cabinet structure utilizes a group of batteries 40 in the power exchange cabinet cabin to provide emergency power supply for the power exchange cabinet when the mains is interrupted to ensure normal power exchange operations; the device is small in size and simple in installation. It only needs to be connected to the original circuit of the power exchange cabinet, and the original circuit will not be modified or destroyed.

In order to further improve the control of the power exchange cabinet, in one embodiment, the power exchange cabinet structure further includes a PCB control module disposed between the first AD/DC conversion module 30 and the first relay 20, The PCB control module is used to connect and control the cabinet door lock, the charging indicator light and the working state of the cooling fan of the main body of the power exchange cabinet, and the PCB control module is connected through the first relay 20 and controls the opening or closing of the cabinet door lock. closure.

The present invention does not limit the specific circuit structure of the PCB control module.

When the mains is interrupted, the device detects that the mains is interrupted, closes the power supply circuit of the battery 40, and converts the high voltage into the low voltage available for the touch screen, communication module and control module of the power exchange cabinet through the DC step-down module to supply power to these devices. At the same time, the original power supply circuit of these devices is disconnected through the relay, the charging circuit of the used battery 40 is disconnected, and the electromagnetic lock of the cabin door of the used battery 40 compartment is disconnected to ensure that the battery 40 is not taken out during subsequent operations; when the emergency power supply is connected After the connection, the power exchange cabinet communicates with the background normally, and you can open the hatch door for power exchange operations normally by scanning the code and other means;

The emergency power supply does not charge the battery 40 in the power exchange cabinet, but only supplies power to the control module, communication module and touch screen of the power exchange cabinet and the control modules of each battery 40 cabin to ensure the normal opening and closing of the cabin door; when the mains power comes back , the device detects the commercial power signal, cuts off the power supply circuit of the battery 40, closes the charging circuit of the battery 40 and the electromagnetic lock circuit of the cabin door. All power supply and signal circuits of the power exchange cabinet return to operate in the original design mode, the power exchange cabinet operates normally, and all batteries 40 compartments are charged normally.

In order to further improve the utilization efficiency of the equipment and improve the use reliability of the equipment, the power supply of the battery 40 can be switched in time after a mains failure occurs. A relay signal detection device between the AD/DC conversion module 11 and the output device 50, the relay signal detection device sends the mains signal of the mains interface 10 to the connected first relay 20, the second relay Relay 41 and the third relay.

The relay signal detection device sends the mains signal of the mains interface 10 to the connected first relay 20, the second relay 41 and the third relay, so that the corresponding relays can perform corresponding operations to ensure that Operational reliability of the power exchange cabinet.

After the mains power failure, the battery 40 will be used for power supply, but after the mains power is restored, the mains power supply needs to be supplied, but in this process, the power supply of the battery 40 needs to be canceled, so as to avoid the conflict of the power supply at the same time, resulting in current backflow, In order to solve this technical problem, in an embodiment of the present utility model, the power exchange cabinet structure further includes an anti-backflow protection module connected to the battery 40, which is used for connecting the mains interface to the mains interface. After the mains power of 10 is restored, the conflict between the mains power and the power supply of the battery 40 is prevented.

The present invention does not limit the circuit structure of the anti-backflow protection module.

During the use of the power exchange cabinet, the relays for charging the battery 40, the relays for controlling the door locks of the cabinets, and the relays for the output device 50 are used differently. In order to achieve automatic control, improve control efficiency, and avoid the occurrence of commercial power When the power supply occurs at the same time as the battery 40, in one embodiment, the power exchange cabinet structure further includes a relay automatic control device connected to the first relay 20, the second relay 41 and the third relay, and controls all the relays. The working states of the first relay 20 and the third relay are the same, and are opposite to the working states of the second relay 41 .

In this way, all the relays are always in the state of being either powered by the battery 40 or powered by the mains, avoiding operation errors of the equipment due to logic errors, etc., and improving the operation reliability of the equipment.

In order to further improve the maintenance efficiency of the equipment, in an embodiment, the power exchange cabinet structure further includes a power detection module connected to the battery 40 for detecting the remaining power of the battery 40 and passing the output device 50 is displayed on the display.

The remaining power of the battery 40 is detected by the power detection module, and displayed on the display screen of the output device 50, so that the staff and users can obtain the status of the power exchange cabinet in time, which is convenient for quick maintenance.

Furthermore, the power exchange cabinet structure further includes an alarm device connected to the battery 40 and the power detection module, and sends an alarm signal to a designated person when the power of the battery 40 is lower than a threshold.

The alarm device sends an alarm signal to the designated personnel when the power of the battery 40 is lower than the threshold value, and the staff can perform quick maintenance, obtain the urgency of maintenance according to the remaining power, and improve the maintenance efficiency.

The present invention does not limit the alarm mode of the alarm device of the power exchange cabinet structure. It can directly alarm after the mains failure, or alarm under other preset conditions. It can send a short message to the designated maintenance personnel, or By sending the status information to the monitoring personnel, the information can be sent through the GPRS module, and the information can also be sent through other communication modules.

To sum up, the structure of the power exchange cabinet provided by the embodiment of the present invention, by arranging a battery in the main body of the power exchange cabinet, and connecting with the mains interface through the first AD/DC conversion module and the first relay, in a normal state, The mains output is charged through the mains interface, and when the mains is powered off, the second relay is connected, and the DC/DC step-down module is connected to the output device, which is used for charging after the mains interface is powered off. The output device supplies power and improves the operation reliability of the power exchange cabinet.

The structure of the power exchange cabinet provided by the present utility model is described in detail above. The principles and implementations of the present utility model are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range.

Claims (7)

1. The utility model provides a trade battery cabinet structure, its characterized in that, is including setting up the battery in trading the battery cabinet main part, battery and commercial power interface loop through first AD/DC conversion module, first relay connection, commercial power interface passes through second AD/DC conversion module and is connected with output device, the battery loop through second relay connection, DC/DC step-down module with output device connects, is used for do after commercial power outage of commercial power interface output device supplies power.

2. The power distribution cabinet structure of claim 1, further comprising a PCB control module disposed between the first AD/DC conversion module and the first relay, wherein the PCB control module is configured to connect to and control the operating states of a cabinet door lock of the power distribution cabinet body, the charging indicator light, and the heat dissipation fan, and the PCB control module is connected to and controls the opening or closing of the cabinet door lock through the first relay.

3. The power distribution cabinet structure according to claim 2, further comprising a relay signal detection device disposed between the second AD/DC conversion module and an output device, wherein the relay signal detection device transmits the utility signal of the utility interface to the first relay, the second relay, and a third relay connected thereto.

4. The power distribution cabinet structure of claim 3, further comprising a backflow prevention protection module connected to the battery, for preventing a conflict between the utility power and the battery power after the utility power of the utility power interface is restored.

5. The switchgear structure of claim 4, further comprising a relay automatic control device connected to said first relay, said second relay and said third relay, wherein the operating state of said first relay and said third relay is controlled to be the same and opposite to the operating state of said second relay.

6. The cabinet structure of claim 5, further comprising a power detection module connected to the battery for detecting the remaining power of the battery and displaying the remaining power through a display screen of the output device.

7. The cabinet structure of claim 6, further comprising an alarm device connected to the battery and the power detection module, wherein the alarm device sends an alarm signal to a designated person when the power of the battery is lower than a threshold value.

Images