CN207156979U - Charging cabinet - Google Patents

Abstract

Disclosed is a charging cabinet, which is provided with a fire-fighting system inside. By using detectors in the fire-fighting system to monitor the environmental data of the charging cabinet, an early warning signal is sent according to the monitored data and the opening of a fire extinguisher is controlled. The present disclosure can realize fire warning and high-efficiency fire extinguishing, and improve the safety of the charging cabinet.

Description

charging cabinet

technical field

The utility model relates to the technical field of charging equipment, in particular to a charging cabinet.

Background technique

Electric vehicles are being used more and more widely. But the battery life of electric vehicles is affected by battery capacity and charging time. Currently there are services that use automated charging cabinets for battery replacement. Due to the long-term provision of charging and replacement services in the charging cabinet, the environment, temperature and other characteristics in the charging cabinet will change, causing certain fire hazards. Since the automatic charging cabinet is unattended, it cannot be found and rescued in time when a fire occurs, which may easily cause loss of life and property.

Utility model content

In view of this, the utility model provides a charging cabinet, which can realize fire warning and high-efficiency fire extinguishing, and improve the safety of the charging cabinet.

The present disclosure provides a charging cabinet, including:

Control panel for human-computer interaction;

The cabinet body is provided with a plurality of battery compartments, and the battery compartment is provided with a charging plug, which is suitable for being connected to the battery for charging;

A plurality of chargers are arranged in the cabinet and are respectively connected to different battery compartments;

The control system includes a main control board and a lock control board, the lock control boards are respectively arranged on the back of different battery compartments, and are suitable for controlling the opening and closing of the corresponding battery compartments;

fire protection systems, including detectors and extinguishers;

Wherein, the detector is adapted to monitor the environmental data of the charging cabinet, send an early warning signal and control the activation of the fire extinguisher according to the environmental data.

Preferably, the cabinet includes a first space, a second space and a third space arranged sequentially from top to bottom;

Wherein, the control panel and the main control board are arranged in the first space, the charger and the detector are arranged in the second space, and the battery compartment and the lock control board are arranged in the third space.

Preferably, the battery compartment is configured as an inclined accommodating cavity, wherein the outer end surface of the battery compartment is higher than the inner end surface of the battery compartment.

Preferably, a plurality of battery compartments are arranged in a matrix.

Preferably, multiple pairs of the fire extinguishers are arranged between two adjacent rows of battery compartments, and the fire extinguishers of the adjacent fire extinguishers are arranged opposite to each other.

Preferably, the fire extinguishing openings of adjacent fire extinguishers in the longitudinal direction are oppositely arranged.

Preferably, the control system further includes a communication control board, which is suitable for external interaction.

Preferably, a cabinet door is provided on the back of the cabinet, and the cabinet door is provided with an air intake grille, which is suitable for exhausting air.

Preferably, the fire protection system also includes:

A power supply, the power supply supplies power to the fire fighting system.

Preferably, the charging cabinet further includes:

A fan is arranged in the cabinet and is suitable for dissipating heat from the charging cabinet;

The moving wheels are arranged at the bottom of the cabinet and are suitable for moving the charging cabinet.

Preferably, the battery structure includes a pressure relief valve. When the battery fails, the pressure relief valve is automatically ejected to discharge gas. When the fire system detector detects the gas, it will alarm and transmit fault data.

The disclosure provides a charging cabinet, which is provided with a fire-fighting system. By using a detector in the fire-fighting system to monitor the environmental data of the charging cabinet, an early warning signal is sent according to the monitored data and the fire extinguisher is controlled to be turned on. The present disclosure can realize fire warning and high-efficiency fire extinguishing, and improve the safety of the charging cabinet.

Description of drawings

Through the following description of the embodiments of the utility model with reference to the accompanying drawings, the above-mentioned and other purposes, features and advantages of the utility model will be more clear, in the accompanying drawings:

Fig. 1 is a three-dimensional schematic diagram 1 of a charging cabinet according to an embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram II of the charging cabinet according to the embodiment of the present invention;

Fig. 3 is the schematic diagram of the fire-fighting system of the utility model embodiment;

Fig. 4 is a control flow chart of the fire protection system of the embodiment of the present invention.

Detailed ways

The utility model is described below based on examples, but the utility model is not limited to these examples. In the following detailed description of the present utility model, some specific details are described in detail. Those skilled in the art can fully understand the present invention without the description of these detailed parts. In order to avoid obscuring the essence of the present invention, well-known methods, procedures, processes, components and circuits have not been described in detail.

Additionally, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires, throughout the specification and claims, "comprises", "comprises" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive meaning; that is, "including but not limited to" meaning.

In the description of the present utility model, it should be understood that the terms "first", "second" and so on are only used for descriptive purposes, and should not be understood as indicating or implying relative importance. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

Unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral body; It may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

In order to solve the battery life problem of electric vehicles, more and more smart charging cabinets have appeared to realize rapid battery replacement. With the long-term use of the charging cabinet, there are some potential safety hazards in the charging cabinet. Based on the potential safety hazards in the charging cabinet, this disclosure proposes a charging cabinet with a built-in fire protection system, which can realize early fire perception, intelligent judgment, and early detection of fire hazards. Intervene and extinguish the fire efficiently.

Fig. 1 and Fig. 2 are three-dimensional schematic diagrams of a charging cabinet according to an embodiment of the present invention. As shown in FIGS. 1 and 2 , the charging cabinet includes a cabinet body 1 , a control panel 2 , a charger 3 , a control system 4 and a fire protection system 5 . The control panel 2 is suitable for man-machine interaction. The charger 3 is connected to the battery compartment 6, and is controlled by the control system 4 to charge the batteries in the battery compartment. During the charging process of the charging cabinet, overcharging and short circuit may occur, and the environmental data in the charging cabinet will change. The fire protection system 5 judges whether the monitored environmental data exceeds the preset environmental data by monitoring the changed environmental data in the charging cabinet; when exceeding, the fire protection system 5 sends an early warning signal to the control system 4 and controls the fire extinguisher in the fire protection system 5 Fire extinguishing can prevent the occurrence of fire in time and effectively.

Wherein, the cabinet body 1 of the charging cabinet is arranged as three accommodation spaces from top to bottom, namely a first space A, a second space B and a third space C. The first space A is located on the top of the cabinet 1, and the control panel 2 is arranged in the first space A, and its display screen is exposed on the front of the cabinet 1, which is suitable for human-computer interaction. The control panel 2 is an input and output device. In this embodiment, the control panel 2 adopts a liquid crystal display touch screen, which is convenient for users to operate, easy to install, and reduces the occupied area of the cabinet 1 . A plurality of chargers 3 are arranged in the second space B, and are respectively connected to corresponding battery compartments, so as to charge a plurality of batteries at the same time. Charger 3 adopts high-frequency power supply technology and uses advanced intelligent dynamic adjustment charging technology. It adopts constant current, constant voltage, and small constant current intelligent three-stage charging mode, which has the characteristics of high charging efficiency, simple operation, light weight, and small size.

A plurality of battery compartments 6 are arranged in the third space C, and each battery compartment 6 is provided with a charging plug 7, which is suitable for being connected to a battery for charging. A plurality of battery compartments 6 are arranged in a matrix. Each of the battery compartments 6 is set as an accommodating cavity with a certain inclination angle with the cabinet body 1, and the outer end surface of the battery compartment 6 is higher than the inner end surface of the battery compartment 6, that is, the battery compartment 6 is set as a structure with a low inside and a high outside. . The low inside and high outside structure of the battery compartment 6 can make the user have a certain degree of comfort when taking and placing the battery, and at the same time, can also make the battery have a certain stability during the charging process. Furthermore, the accommodating cavity of the battery compartment 6 matches the shape and structure of the battery, which can better accommodate the battery and make the connection between the battery and the connector in the battery compartment 6 more rapid and accurate. A charging plug 7 (not shown in the figure) is also arranged in the battery compartment 6, and the charging plug 7 matches the charging socket on the battery. The battery compartment 6 is arranged in the third space C, close to the ground, which is convenient for the user to replace the battery, and can also lower the center of gravity of the cabinet body 1 so that it can be placed on the ground relatively stably. The charging plug 7 of each battery compartment 6 is connected to the corresponding charger 3 , and the charger 3 is controlled by the control system 4 to charge the battery in the corresponding battery compartment 6 .

The control system 4 includes a main control board 41 , a lock control board 42 and a communication control board 43 . The main control board 41 is arranged in the first space A, and is used to control corresponding control actions in the charging cabinet, including opening of the battery compartment 6, charging of the charger 3, and the like. The communication control board 43 is also arranged in the first space A, and is suitable for interacting with mobile phone APP or server. The communication control panel 43 is divided into a wired communication control panel and a wireless communication control panel. The communication control board 43 used in this embodiment is a control board with an Android system, which has openness and rich hardware, and is convenient for development. The number of lock control plates 42 corresponds to the number of battery compartments 6 one by one, and each lock control plate 42 is arranged on the back of the corresponding battery compartment 6 . The lock control board 42 is an interface expansion board developed for the application of the intelligent express cabinet industry. Its main functions are to realize electric lock control, electric lock state detection, and door magnetic detection. The main control board 41 controls the opening and closing of different battery compartments 6 by controlling different lock control boards 42 .

A schematic diagram of the firefighting system 5 is shown in FIG. 3 . The firefighting system 5 includes a data converter 51 , a detector 52 and a fire extinguisher 53 . The detector 52 is connected with the data converter 51 and the fire extinguisher 53 respectively. In an optional implementation manner, the power supply of the charging cabinet can be used to supply power to the fire protection system 5 to realize the communication function of the data converter 51 and the monitoring and control function of the detector 52 . In another optional implementation, an independent power supply can be set for the fire protection system 5 to facilitate the power supply for the fire protection system. In this way, even if the power supply of the charging cabinet fails, it will not hinder the work of the fire protection system, ensuring safety to the greatest extent. . The power supply in this embodiment adopts a DC 48V power supply, which is converted to the rated working voltage of the detector 52 through the power supply module. The detector 52 is also called a detection controller, and is arranged in the second space B of the cabinet body 1. The detector 52 includes a detection function and a control function. Specifically, the detection function includes a full-cycle fire monitoring function, real-time collection of environmental data, temperature data and flame data, which can detect fire hazards early and issue early warning signals. The control function of the detector 52 includes starting the fire extinguisher 53 in time to extinguish the fire when a fire is detected, so as to eliminate potential safety hazards. The detector model used in this embodiment is Yantai Chuangwei CW1160-02, which is an intelligent detector dedicated to fire prevention and control inside the battery box. It can detect the smoke, special gas, and temperature changes before the thermal runaway caused by internal short circuit, overcharge, overdischarge and external short circuit of the power battery box, and use the proprietary technology (power battery thermal runaway model) to judge the combustion stage in real time. Realize automatic fire warning and manual control through self-contained system; realize early fire perception and intelligent judgment and intervene in advance to achieve efficient fire extinguishing. In an emergency, the detector implements automatic control to extinguish the fire according to the preset logic. The communication bus of the detector 52 is a CAN bus, and the CAN bus data output by the detector 52 can be converted into RS485 bus data through the data converter 51 . CAN bus features: (1) There is no master-slave distinction in data communication. Any node can initiate data communication to any other (one or more) nodes. The information is communicated in 134us; (2) When multiple nodes initiate communication at the same time, the one with the lower priority avoids the one with the higher priority, which will not cause congestion on the communication line; (3) The communication distance can reach up to 10KM (rate is lower than 5Kbps) The rate can reach 1Mbps (communication distance is less than 40M); (4) CAN bus transmission medium can be twisted pair or coaxial cable. The CAN bus is suitable for short-distance communication with large data volume or long-distance small data volume, with high real-time requirements, multi-master and multi-slave or equal nodes. The RS485 bus adopts balanced transmission and differential reception, so it has the ability to suppress common mode interference. In addition, the bus transceiver has high sensitivity and can detect a voltage as low as 200mv, so the transmission signal can be recovered beyond a kilometer. The high speed of the CAN bus and the characteristics of long-distance and small data volume and the characteristics of the long-distance recovery signal of RS485 make it convenient for the charging cabinet to transmit data to the control system 4 when a fire occurs, so that the measurement information and early warning status of the detector 52 , Fire information and other on-site data are sent to the server, and relevant personnel are notified in time for processing. Multiple pairs of fire extinguishers 53 are arranged between two adjacent rows of battery compartments 6 in the third space C, and the fire extinguishing ports of adjacent fire extinguishers 53 are arranged opposite to each other. In this embodiment, two pairs of fire extinguishers 53 are provided, and the fire extinguishing openings of adjacent fire extinguishers 53 in the longitudinal direction are oppositely arranged. The relative arrangement of the fire extinguishing port of the fire extinguisher 53 can quickly extinguish the fire of the charging cabinet. Specifically, the control flow of the fire protection system 5 is shown in Figure 4. First, the detector monitors the environmental data in the charging cabinet; then, it judges whether the monitored environmental data exceeds the preset environmental data; Early warning signal and control the fire extinguisher to extinguish the fire; when it is not exceeded, the detector continues to monitor.

In an optional embodiment, when there are multiple longitudinal enclosed spaces in the third space C of the charging cabinet, for each fire extinguisher 53 provided in each enclosed space, a detector 52 needs to be installed in each enclosed space , for monitoring the environmental data in the confined space and controlling the switch of the fire extinguisher 53 .

Preferably, the charging cabinet is also provided with a cabinet door 8 , a fan 9 and moving wheels 10 . The cabinet door 8 is arranged on the back of the cabinet body 1, which is convenient for installation and maintenance personnel of the charging cabinet to perform maintenance. The cabinet door 8 is provided with an air intake grille, which is suitable for ventilation and heat dissipation. The fan 9 is arranged on both sides of the cabinet door 8, and the fan 9 is mainly used for air extraction. After closing the cabinet door 8, the fan 9 is close to the detector 52, which is convenient for the detector 52 to measure accurately. The charging cabinet can also be controlled in linkage with the fan 9. When the detector 52 detects a fire, the control fan 9 is closed, and the charger 3 and the power supply are disconnected. After the fan 9 stops, the fire extinguisher 53 starts to put out the fire. The moving wheels 10 are arranged at the bottom of the cabinet body 1 and are suitable for moving the charging cabinet.

Preferably, the battery structure also includes a pressure relief valve, which exists in conjunction with the fire protection system. When the battery fails, the pressure relief valve on the battery will automatically push out, discharge gas, and be detected by the detector of the fire protection system, alarm and transmit fault data ; Under normal circumstances, the pressure relief valve is closed, and it will be opened automatically only when a fault occurs.

The disclosure provides a charging cabinet, which is provided with a fire-fighting system. By using a detector in the fire-fighting system to monitor the environmental data of the charging cabinet, an early warning signal is sent according to the monitored data and the fire extinguisher is controlled to be turned on. The present disclosure can realize fire warning and high-efficiency fire extinguishing, and increases the safety protection of the charging cabinet.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. a kind of charging cabinet, including：

Control panel, for man-machine interaction；

Cabinet, multiple battery compartments are provided with, charging plug is provided with the battery compartment, is charged suitable for being connected with battery；

Multiple chargers, it is arranged in the cabinet, is connected respectively from different battery compartments；

Control system, including master control borad and lock control plate, the lock control plate are respectively arranged at the back side of different battery compartments, suitable for control The opening and closing of battery compartment corresponding to system；

Fire-fighting system, including detector and fire extinguisher；

Wherein, the detector is suitable to the environmental data for monitoring the charging cabinet, and pre-warning signal is sent according to the environmental data And control the startup of fire extinguisher.

2. charging cabinet according to claim 1, it is characterised in that the cabinet includes first set gradually from top to bottom Space, second space and the 3rd space；

Wherein, the control panel and master control borad are arranged at first space, and the charger and detector are arranged at described Second space, the battery compartment and lock control plate are arranged at the 3rd space.

3. charging cabinet according to claim 1, it is characterised in that the battery compartment is arranged to inclined accommodating cavity, its Described in battery compartment outer face be higher than the battery compartment inner face.

4. charging cabinet according to claim 3, it is characterised in that multiple battery compartments are into matrix arrangement.

5. charging cabinet according to claim 4, it is characterised in that be provided with multipair institute between two adjacent row battery compartments Fire extinguisher is stated, the fire access of adjacent fire extinguisher is oppositely arranged.

6. charging cabinet according to claim 5, it is characterised in that the fire access phase of fire extinguisher adjacent in a longitudinal direction To setting.

7. charging cabinet according to claim 1, it is characterised in that the control system also includes Communication Control plate, is suitable to Externally interact.

8. charging cabinet according to claim 1, it is characterised in that the back of the cabinet is additionally provided with cabinet door, the cabinet Door is provided with air-inlet grille, suitable for air draft.

9. charging cabinet according to claim 1, it is characterised in that the fire-fighting system also includes：

Power supply, the power supply are powered for the fire-fighting system.

10. charging cabinet according to claim 1, it is characterised in that the charging cabinet also includes：

Fan, it is arranged in the cabinet, is suitable for the charging cabinet heat radiation；

Movable pulley, the bottom of the cabinet is arranged at, suitable for the movement charging cabinet.