Portable externally-hung lead-acid battery charging control box
By designing a portable external lead-acid battery charging control box with integrated protocol conversion and safety protection functions, the charging compatibility issue of lead-acid battery systems at foreign airports is solved, charging support for multiple types of battery systems is achieved, and work efficiency and user experience are improved.
Patent Information
- Application Number
- CN202422548972.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The lead-acid battery systems in foreign airports are not compatible with foreign charging equipment, causing charging problems. Mobile lithium-ion charging vehicles cannot directly charge the lead-acid battery systems, affecting work efficiency and user experience.
A portable external lead-acid battery charging control box is designed, which integrates protocol conversion function and European standard charging head. It contains EVCC module and BMS control module to realize protocol conversion and safety protection. It is equipped with Anderson connector and LCD display, and supports charging of multiple types of battery systems.
It improves the charging compatibility and working efficiency of lead-acid battery systems, enhances user experience, meets the charging needs of different types of battery systems, and ensures charging safety and reliability.
Smart Images

Figure CN223309616U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of control box design, and in particular relates to a portable external lead-acid battery charging control box. Background Art
[0002] Lead-acid batteries are currently the main power supply for airport power equipment. With the continuous development of lithium battery technology, most equipment is being updated from lead-acid batteries to lithium batteries.
[0003] In foreign airports, there are still many power systems that are mainly based on lead-acid batteries. The charging equipment on foreign sites are all European standard charging piles, and the corresponding charging connectors are European standard connectors, which cannot match the corresponding charging connectors and therefore cannot meet actual needs.
[0004] In addition, in the application scenario, a mobile lithium battery charging vehicle is equipped for the lithium battery system. When the lithium battery system needs to be charged, the mobile lithium battery charging vehicle can directly charge the lithium battery system. However, the mobile lithium battery charging vehicle cannot directly charge the power equipment of the lead-acid battery system, which causes certain troubles for airport management personnel. Utility Model Content
[0005] In order to overcome the above-mentioned technical problems existing in the prior art, an embodiment of the utility model provides a portable external lead-acid battery charging control box, which integrates a protocol conversion function and a European standard charging head in the control box, thereby allowing foreign airports to charge battery systems of different system types with compatibility, improving user experience and work efficiency.
[0006] In order to achieve the above-mentioned objectives, an embodiment of the present utility model provides a portable external lead-acid battery charging control box, including a box body, a CCS2 charging input connector is provided on the box body, a protocol conversion unit and a safety protection unit are fixedly provided in the box body, the protocol conversion unit is connected to the CCS2 charging input connector, the safety protection unit is connected to the protocol conversion unit, and the safety protection unit is connected to the charging output connector; a display unit is also fixedly provided on the box body, connected to the safety protection unit, for providing a user interaction interface, and the user interaction interface displays dynamic information of the charging process.
[0007] Preferably, the protocol conversion unit includes an EVCC module and a BMS control module that are electrically connected, the EVCC module is used to convert the European standard communication protocol into the national standard communication protocol, and the BMS control module is used to control the charging and discharging of the battery.
[0008] Preferably, the safety protection unit includes a DC relay, a shunt, a capacity regulating switch and a voltage and current acquisition harness.
[0009] Preferably, the charging output connector includes a cable connected to the safety protection unit, and an Anderson connector connected to the cable.
[0010] Preferably, the box body includes a shell and a shell cover, the shell includes an opening, the CCS2 charging input connector and the display unit are arranged in the opening, the shell cover is matched with the opening and is used to cover the opening, and the Anderson connector extends to the outside of the shell through the cable.
[0011] Preferably, the shell and the shell cover are axially connected, and a lock buckle matching the shell cover is provided on the shell.
[0012] Preferably, the display unit is a 4.3-inch liquid crystal display screen.
[0013] Preferably, a mounting bracket is provided on the outside of the box body, and the box body is fixed on the mobile charging vehicle through the mounting bracket.
[0014] Preferably, the mounting bracket is detachably connected to the mobile charging vehicle, and the mounting bracket is detachably connected to the box body.
[0015] Preferably, the CCS2 charging input connector is provided with an electronic lock, and the electronic lock is used to lock the charging connector when the charging connector of the mobile charging vehicle is connected to the CCS2 charging input connector.
[0016] Through the technical solution provided by the utility model, the utility model has at least the following technical effects:
[0017] By designing a charging control box with protocol conversion function and compatible plug connector, it is applied to the lead-acid battery system in foreign airport scenarios to assist in providing compatible charging services, thereby greatly improving the coverage of charging functions, improving work efficiency and enhancing user experience.
[0018] Other features and advantages of the embodiments of the present invention will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the following detailed description, they are used to explain the embodiments of the present invention, but do not constitute a limitation of the embodiments of the present invention. In the accompanying drawings:
[0020] Figure 1 This is a structural diagram of a portable external lead-acid battery charging control box provided by an embodiment of the utility model;
[0021] Figure 2This is a schematic structural diagram of a safety protection unit provided by an embodiment of the present utility model;
[0022] Figure 3 This is a schematic structural diagram of a portable external lead-acid battery charging control box provided by the second embodiment of the present utility model;
[0023] Figure 4 This is a structural diagram of a portable external lead-acid battery charging control box provided in the third embodiment of the present utility model.
[0024] Description of Reference Numerals
[0025] Box body 10, shell 11, opening 111, shell cover 12, lock 121, mounting bracket 13, CCS2 charging input connector 20, protocol conversion unit 30, EVCC module 31, BMS control module 32, safety protection unit 40, DC relay 41, shunt 42, capacity adjustment switch 43, voltage and current collection harness 44, charging output connector 50, cable 51, Anderson connector 52, display unit 60 DETAILED DESCRIPTION
[0026] The following describes the specific implementation of the embodiment of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention and is not intended to limit the embodiment of the present invention.
[0027] The terms "system" and "network" in the embodiments of the present invention can be used interchangeably. "Multiple" refers to two or more. In view of this, "multiple" can also be understood as "at least two" in the embodiments of the present invention. "And / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / ", unless otherwise specified, generally indicates that the previous and next associated objects are in an "or" relationship. In addition, it should be understood that in the description of the embodiments of the present invention, words such as "first" and "second" are only used to distinguish the purpose of description, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating or implying order.
[0028] See Figure 1, a portable external lead-acid battery charging control box provided by an embodiment of the present utility model includes a box body 10, a CCS2 charging input connector 20 is provided on the box body 10, a protocol conversion unit 30 and a safety protection unit 40 are fixedly provided in the box body 10, the protocol conversion unit 30 is connected to the CCS2 charging input connector 20, the safety protection unit 40 is connected to the protocol conversion unit 30, and the safety protection unit 40 is connected to the charging output connector 50; a display unit 60 is also fixedly provided on the box body 10, connected to the safety protection unit 40, for providing a user interaction interface, and the user interaction interface displays dynamic information of the charging process.
[0029] In an embodiment of the present invention, a lead-acid battery charging control box capable of performing protocol conversion and charge and discharge control is designed, thereby providing compatibility functional support for charging different types of batteries in airports, meeting the actual needs of enterprises.
[0030] In an embodiment of the present invention, the protocol conversion unit 30 includes an electrically connected EVCC module 31 and a BMS control module 32. The EVCC module 31 is used to convert the European standard communication protocol into the national standard communication protocol. The BMS control module 32 is used to control the charging and discharging of the lead-acid battery of the mobile charging vehicle.
[0031] During the application process, the EVCC (Electric Vehicle Charging Controller) module converts the European standard communication protocol of the external battery system into the national standard communication protocol, giving it more compatible charging communication capabilities to meet the charging needs in foreign airport scenarios.
[0032] See Figure 2 In the embodiment of the present utility model, the safety protection unit 40 includes a DC relay 41, a shunt 42, a capacity adjustment switch 43 and a voltage and current acquisition harness 44.
[0033] During the implementation process, the above-mentioned components can effectively detect various signals such as charging current, voltage, and electrical temperature, achieving comprehensive detection of the entire battery system charging process to ensure the reliability and safety of charging. If there is an abnormality during the charging process, the power supply can be immediately cut off and the charging work can be stopped. When the battery system is fully charged to the set value, the power can also be automatically cut off to achieve a safety protection function.
[0034] In the embodiment of the present invention, the charging output connector 50 includes a cable 51 connected to the safety protection unit 40 and an Anderson connector 52 connected to the cable 51 .
[0035] In the embodiment of the present invention, an Anderson connector matching the lead-acid battery is configured. This connector corresponds to the model of the airport lead-acid battery system, thereby connecting with the lead-acid battery system to achieve charging and transmission.
[0036] See Figure 3 In an embodiment of the present utility model, the box body 10 includes a shell 11 and a shell cover 12. The shell 11 includes an opening 111. The CCS2 charging input connector 20 and the display unit 60 are arranged in the opening 111. The shell cover 12 is matched with the opening 111 and is used to cover the opening 111. The Anderson connector 52 extends to the outside of the shell 11 through the cable 51.
[0037] In an embodiment of the present invention, in order to prevent the control box from being affected by rain, illegal operation, etc. when used in an external environment, an opening 111 is provided on the housing 11, and the CCS2 charging input connector 20 and the display unit 60 are arranged at the opening 111. At the same time, a housing cover 12 matching the opening 111 is provided. The housing cover 12 covers the opening 111, so that when the control box is not in use, the CCS2 charging input connector 20 and the display unit 60 can be protected from external influences, thereby increasing their service life.
[0038] Further preferably, in an embodiment of the present utility model, the housing 11 and the housing cover 12 are axially connected, and a lock 121 matching the housing cover 12 is provided on the housing 11 .
[0039] By providing the lock buckle 121 , the operation manager can close and lock the control box when the control box is not in use, thereby further improving the safety of the control box.
[0040] Preferably, in the embodiment of the present invention, the display unit 60 is a 4.3-inch liquid crystal display screen.
[0041] During the implementation process, the dynamic information of the entire charging process of the charging control box, such as charging voltage, current, temperature, power and time, can be visually displayed through the LCD screen, allowing users to intuitively understand the overall charging status and make certain judgments, thereby improving the user experience.
[0042] However, in actual application, since the mobile charging vehicle needs to be moved anywhere according to actual needs, if the control box is frequently moved, it will have a great impact on the technicians and reduce work efficiency.
[0043] To solve the above technical problems, please see Figure 4In the embodiment of the present utility model, a mounting bracket 13 is provided on the outside of the box body 10 , and the box body 10 is fixed on a mobile charging vehicle (not shown) through the mounting bracket 13 .
[0044] In actual application, the box body 10 is fixed to the mobile charging vehicle through the mounting bracket 13, thereby allowing the portable external lead-acid battery charging control box provided by the embodiment of the utility model to be carried with the mobile charging vehicle, meeting any charging needs of the entire airport scene and improving the user experience.
[0045] Preferably, in the embodiment of the present utility model, the mounting bracket 13 is detachably connected to the mobile charging vehicle, and the mounting bracket 13 is detachably connected to the box body 10 .
[0046] Furthermore, in an embodiment of the present invention, an electronic lock (not shown) is provided on the CCS2 charging input connector 20 , and the electronic lock is used to lock the charging connector when the charging connector of the mobile charging vehicle is connected to the CCS2 charging input connector 20 .
[0047] In the embodiment of the present invention, a portable external lead-acid battery charging control box is designed to provide a compatible charging solution for charging different types of batteries at the airport, greatly increasing the fault tolerance rate and improving the user experience. At the same time, the operation is flexible and convenient, thereby improving work efficiency.
[0048] The above describes in detail the optional implementation methods of the embodiment of the present invention in conjunction with the accompanying drawings. However, the embodiment of the present invention is not limited to the specific details in the above implementation methods. Within the technical concept of the embodiment of the present invention, the technical solution of the embodiment of the present invention can be subjected to various simple modifications, and these simple modifications all fall within the protection scope of the embodiment of the present invention.
[0049] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. To avoid unnecessary repetition, the embodiments of the present utility model will not further describe various possible combinations.
[0050] In addition, the various implementations of the embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the embodiments of the present invention, they should also be regarded as the contents disclosed in the embodiments of the present invention.
Claims
1. A portable external lead-acid battery charging control box, comprising a box body, characterized in that: A CCS2 charging input connector is provided on the box body, and a protocol conversion unit and a safety protection unit are fixedly provided in the box body, the protocol conversion unit is connected to the CCS2 charging input connector, the safety protection unit is connected to the protocol conversion unit, and the safety protection unit is connected to the charging output connector; A display unit is also fixedly provided on the box body and connected to the safety protection unit for providing a user interaction interface, wherein the user interaction interface displays dynamic information of the charging process.
2. A portable external lead-acid battery charging control box according to claim 1, characterized in that: The protocol conversion unit includes an EVCC module and a BMS control module that are electrically connected. The EVCC module is used to convert the European standard communication protocol into the national standard communication protocol. The BMS control module is used to control the charging and discharging of the battery.
3. A portable external lead-acid battery charging control box according to claim 1, characterized in that: The safety protection unit includes a DC relay, a shunt, a capacity regulating switch and a voltage and current acquisition harness.
4. A portable external lead-acid battery charging control box according to claim 1, characterized in that: The charging output connector includes a cable connected to the safety protection unit and an Anderson connector connected to the cable.
5. A portable external lead-acid battery charging control box according to claim 4, characterized in that: The box body includes a shell and a shell cover. The shell includes an opening. The CCS2 charging input connector and the display unit are arranged in the opening. The shell cover is matched with the opening and is used to cover the opening. The Anderson connector extends to the outside of the shell through the cable.
6. A portable external lead-acid battery charging control box according to claim 5, characterized in that: The shell body and the shell cover are axially connected, and a lock buckle matching the shell cover is provided on the shell body.
7. The portable external lead-acid battery charging control box according to claim 1, characterized in that: The display unit is a 4.3-inch liquid crystal display screen.
8. The portable external lead-acid battery charging control box according to claim 1, characterized in that: A mounting bracket is provided on the outside of the box body, and the box body is fixed on the mobile charging vehicle through the mounting bracket.
9. The portable external lead-acid battery charging control box according to claim 8, characterized in that: The mounting bracket is detachably connected to the mobile charging vehicle, and the mounting bracket is detachably connected to the box body.
10. The portable external lead-acid battery charging control box according to claim 1, characterized in that: The CCS2 charging input connector is provided with an electronic lock, which is used to lock the charging connector of a mobile charging vehicle when it is connected to the CCS2 charging input connector.