Marine 24V lead-acid storage battery intelligent charger

Abstract

The invention relates to the technical field of ship chargers, and discloses a ship 24V lead-acid storage battery intelligent charger, which comprises a box body, an adjusting mechanism, a fixing structure, a power supply module, a rectification module, a connection interface and a controller, and is characterized in that the power supply module is electrically connected with the rectification module and the connection interface; a displacement opening is formed in one side wall of the box, the fixing structure is located on the side, provided with the displacement opening, outside the box, and the output end of the adjusting mechanism penetrates through the displacement opening to be in driving connection with the fixing structure. Universal wheels are arranged at the bottom of the box body; the controller is electrically connected with the adjusting mechanism, the power module and the rectifier module, and is used for controlling the rectifier module to block electric power backflow of an external electric power system when the power module is communicated with the external electric power system; and the controller is used for controlling the adjusting mechanism to drive the fixing structure, so that the box body moves out of the mounting position through the universal wheels by taking the fixing structure as a fulcrum. According to the technical scheme, a user can conveniently pull out the box body from a narrow installation position for comprehensive overhaul, and daily maintenance of the user is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of ship chargers, in particular to a ship-used 24V lead-acid battery intelligent charger. Background Art

[0002] Boats and ships are a general term for various vessels. A ship is a means of transportation that can sail or anchor in waters for transportation or operations. It has different technical performance, equipment and structural types according to different usage requirements.

[0003] Ships are man-made vehicles that mainly operate in geographical waters. In addition, civilian ships are generally called ships, military ships are called warships, and small ships are called boats or boats. They are generally called ships or boats. The interior mainly includes accommodation space, support structure and drainage structure, and has a propulsion system that uses external or self-contained energy. The appearance is generally a streamlined envelope that is conducive to overcoming fluid resistance. The materials are constantly updated with the advancement of science and technology. In the early days, they were natural materials such as wood, bamboo, and hemp. In modern times, they are mostly steel, aluminum, fiberglass, acrylic and various composite materials.

[0004] Ship chargers are designed for shipboard power systems. They are usually used to charge shipboard battery packs or other devices that require direct current (DC) power. Among them, lead-acid battery chargers are often used to provide power for ship engine starting systems, lighting systems, navigation equipment, etc. Existing ship lead-acid battery chargers are difficult to disassemble after being fixed in the cabin to ensure stability, resulting in inconvenience in daily maintenance. Summary of the invention

[0005] The main purpose of the invention is to provide a marine 24V lead-acid battery intelligent charger, aiming to solve the problem of inconvenient daily maintenance of the marine lead-acid battery charger.

[0006] To achieve the above purpose, the technical solution proposed by the present invention is:

[0007] A marine 24V lead-acid battery intelligent charger comprises a box, an adjustment mechanism, a fixing structure, a power module, a rectifier module, a connection interface and a controller, wherein the power module, the rectifier module and the adjustment mechanism are all arranged in the box, the connection interface and the fixing structure are all arranged outside the box, the power module is electrically connected to the rectifier module and the connection interface respectively, and the connection interface is used to connect an external cable so that the power module is electrically connected to an external power system; a displacement port is opened on one side wall of the box, and the fixing structure is located on a side of the box where the displacement port is arranged. The output end of the adjustment mechanism drives and connects to the fixed structure through the displacement port, and the box is used to be fixed to the installation position in the cabin through the fixed structure; a universal wheel is arranged at the bottom of the box; the controller is electrically connected to the adjustment mechanism, the power module and the rectifier module respectively, and the controller is used to control the rectifier module to block the backflow of power from the external power system when the power module is connected to the external power system; the controller is also used to control the adjustment mechanism to drive the fixed structure so that the box is moved out of the installation position through the universal wheel with the fixed structure as the fulcrum.

[0008] Preferably, an inspection port is provided on a side of the box body away from the displacement port, and an openable and closable door is provided at the inspection port; a accommodating space is formed in the box body, and the power module, the rectifier module and the adjustment mechanism are all arranged in the accommodating space, and the accommodating space is respectively connected to the inspection port and the displacement port; the connection interface is located between the inspection port and the displacement port.

[0009] Preferably, an installation groove and a wiring groove are provided on one of the side walls of the box body located between the inspection port and the displacement port, one end of the wiring groove is connected to the side wall of the box body where the displacement port is set, and the other end of the wiring groove is connected to the installation groove, and the connection interface is set in the installation groove.

[0010] Preferably, the adjustment mechanism includes a linear motor, a shell and a connecting mechanism, the linear motor and the shell are arranged in parallel and spaced apart, and the output end of the linear motor is arranged facing the shell; the shell is provided with a connecting groove facing the output end of the linear motor, the connecting groove extends along the inspection port toward the displacement port, and the connecting structure is arranged in the connecting groove; the output end of the linear motor is connected to the connecting structure, and the end of the connecting structure away from the inspection port passes through the displacement port to drive and connect to the fixed structure; the controller is electrically connected to the linear motor, and the controller is used to control the linear motor to drive the connecting mechanism to slide along the connecting groove, so that the connecting structure pushes the box with the fixed structure as a fulcrum.

[0011] Preferably, the connecting structure includes an electric-controlled telescopic rod, a sliding column and an articulated shaft, the output end of the linear motor is connected to the electric-controlled telescopic rod, the output end of the electric-controlled telescopic rod and one end of the sliding column are hinged through the articulated shaft, and the end of the sliding column away from the electric-controlled telescopic rod is connected to the fixed structure; the sliding column and the electric-controlled telescopic rod are arranged in parallel, and the articulated shaft is arranged vertically; the controller is electrically connected to the electric-controlled telescopic rod, and the controller is used to control the electric-controlled telescopic rod and the linear motor to drive the sliding column respectively, and the box is moved out of the installation position through the connection, so that the box is rotated through the articulated shaft to show the connection interface.

[0012] Preferably, the fixing structure comprises a fixing seat, a connecting column, a first fixing plate, a second fixing plate, a fixing bolt and a fastening nut, one end of the connecting column is rotatably connected to the adjustment mechanism through the connecting column; the first fixing plate is arranged at one end of the connecting column away from the fixing seat, the first fixing plate is provided with a first connecting through hole along the plate thickness; the second fixing plate is provided with a second connecting through hole and a threaded through hole, the connecting column passes through the second connecting through hole, the second fixing plate is located between the fixing seat and the first fixing plate, and a clamping space is formed between the first fixing plate and the second fixing plate; the first connecting through hole and the threaded through hole are coaxially arranged; the fastening nut is located on the side of the first fixing plate away from the second fixing plate, the fixing bolt is used to threadably connect the threaded through hole, and then sequentially pass through the clamping space and the first connecting through hole, so that the fixing bolt and the fastening nut are threadedly connected; the first fixing plate and the second fixing plate are used to limit any protrusion in the cabin to the clamping space, and the protrusion is fixed to the clamping space by threading the fixing bolt and the fastening nut, so that the box body is fixed in the installation position.

[0013] Preferably, a fixing groove is formed at one end of the fixing seat facing the connecting column, a ball bearing is fixed in the fixing groove, and the connecting column is detachably fixedly connected to the ball bearing at one end away from the first fixing plate, and the connecting column is used to be rotatably connected to the fixing seat through the ball bearing.

[0014] Preferably, a rectangular through hole is provided at the top of the box body, the rectangular through hole is connected to the accommodating space, a heat dissipation fan is arranged in the rectangular through hole; and a dust cover is arranged on a side of the rectangular through hole away from the accommodating space.

[0015] Preferably, a handle is also provided at the top of the box.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] The rectifier module can prevent the battery in the external power system from flowing backwards, effectively protecting the charger. The space inside the cabin is small, and through the coordination of the adjustment mechanism and the fixed structure, the user can pull the box out from the narrow installation position for comprehensive inspection, which facilitates the user's daily maintenance of the charger. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of an embodiment of a marine 24V lead-acid battery intelligent charger of the present invention;

[0020] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0021] Figure 3 It is a structural diagram of the adjustment mechanism;

[0022] Figure 4 It is a structural diagram of a fixed structure.

[0023] Description of Figure Numbers:

[0024] 1-box; 11-accommodation space; 12-inspection port; 13-displacement port; 14-door body; 15-camera; 16-electric lock; 17-installation slot; 18-wiring slot; 19-rectangular through hole; 110-cooling fan; 111-dust cover; 112-handle; 113-connection interface;

[0025] 2-adjustment mechanism; 21-linear motor; 22-housing; 23-electrically controlled telescopic rod; 24-sliding column; 25-articulated shaft; 26-connecting slot;

[0026] 3-fixing structure; 31-fixing seat; 32-connecting column; 33-first fixing plate; 34-second fixing plate; 35-fixing bolt; 36-fastening nut; 37-fixing groove; 38-clamping space; 39-first connecting through hole; 310-second connecting through hole; 311-threaded through hole; 312-connecting screw hole; 313-ball bearing;

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] The invention provides a marine 24V lead-acid battery intelligent charger.

[0034] like Figures 1 to 4The marine 24V lead-acid battery intelligent charger shown includes a box 1, an adjustment mechanism, a fixing structure 3, a power module, a rectifier module, a connection interface 113 and a controller. The power module, the rectifier module and the adjustment mechanism are all arranged in the box 1, the connection interface 113 and the fixing structure 3 are all arranged outside the box 1, the power module is electrically connected to the rectifier module and the connection interface 113 respectively, and the connection interface 113 is used to connect an external cable so that the power module is electrically connected to the external power system; a displacement port 13 is opened on one side wall of the box 1, and the fixing structure 3 is located in the box 1. A displacement port 13 is arranged on one side of the outside, and the output end of the adjustment mechanism drives the connection fixed structure 3 through the displacement port 13, and the box body 1 is used to be fixed to the installation position in the cabin through the fixed structure 3; a universal wheel is arranged at the bottom of the box body 1; the controller is electrically connected to the adjustment mechanism, the power module and the rectifier module respectively, and the controller is used to control the rectifier module to block the backflow of power from the external power system when the power module is connected to the external power system; the controller is also used to control the adjustment mechanism to drive the fixed structure 3, so that the box body 1 takes the fixed structure 3 as the fulcrum and moves out of the installation position through the universal wheel.

[0035] The rectifier module can prevent the battery of the external power system from flowing back, effectively protecting the charger; the space inside the cabin is small, and through the coordination of the adjustment mechanism and the fixed structure 3, it is convenient for the user to pull the box 1 out from the narrow installation position for comprehensive inspection, which facilitates the user's daily maintenance of the charger.

[0036] Specifically, the controller includes a charging management chip UC3906; the power module is a 220V industrial frequency transformer; and the rectifier module is a full-bridge rectifier module.

[0037] An inspection port 12 is arranged on a side of the box body 1 away from the displacement port 13, and an openable and closable door 14 is arranged at the inspection port 12; a accommodating space 11 is formed inside the box body 1, and the power module, the rectifier module and the adjustment mechanism are all arranged in the accommodating space 11, and the accommodating space 11 is respectively connected to the inspection port 12 and the displacement port 13; a connection interface 113 is located between the inspection port 12 and the displacement port 13.

[0038] Specifically, the marine 24V lead-acid battery intelligent charger also includes a communicator, a camera 15 and an electric lock 16. The door body 14 is provided with an electric lock 16; the camera 15 is arranged on the top side of the box body 1, and the controller is electrically connected to the communicator, the camera 15 and the electric lock 16. The camera 15 is used to obtain a real-time image of a preset position and send it to the controller; the controller is used to obtain input information; the controller is used to determine real-time face information according to the real-time image, and judge whether the real-time face information belongs to the input information according to the real-time face information and the input information. When the real-time face information does not belong to the input information, the alarm information is sent to the external terminal through the communicator; when the real-time face information belongs to the input information, the alarm information is sent to the external terminal according to the real-time face information. According to the input information and the real-time face information, the level information of the real-time face information is judged. When the level information of the real-time face information is level one, the control adjustment mechanism moves the box 1 out of the installation position and controls the electric lock 16 to open the door 14; when the real-time face information is level two, the control communicator sends the opening information to the external terminal, and executes the steps of controlling the adjustment mechanism to move the box 1 out of the installation position and controlling the electric lock 16 to open the door 14; when the real-time face information is level three, the control communicator sends the prompt information to the external terminal, and when the controller obtains the confirmation information through the communicator, the control adjustment mechanism moves the box 1 out of the installation position and controls the electric lock 16 to open the door 14. Through the settings of the camera 15 and the communicator, the use of the box 1 is intelligently operated, and the first-level user can obtain the use information of the box 1 in real time, which is convenient for recording and avoiding accidental operation.

[0039] Specifically, the input information includes at least one face image input into the controller, a grade mark for each face image, and a maintenance time period.

[0040] Specifically, the controller is also used to obtain the real-time time point after the real-time facial information recognition is passed, and judge whether the real-time time point is within the maintenance time period based on the real-time time point and the maintenance time period. When the real-time time point is within the maintenance time period, the control adjustment mechanism is executed to move the box 1 out of the installation position, and the electric lock 16 is controlled to open the door body 14; when the real-time time point is not within the maintenance time period, a prompt message is sent to the external terminal through the communicator.

[0041] One side wall of the box body 1 between the inspection port 12 and the displacement port 13 is provided with a mounting groove 17 and a wiring groove 18, one end of the wiring groove 18 is connected to the side wall of the box body 1 where the displacement port 13 is provided, and the other end of the wiring groove 18 is connected to the mounting groove 17, and the connection interface 113 is provided in the mounting groove 17. The inspection port 12 is used for the user to check the conditions of the components in the accommodation space 11. After the box body 1 is inserted into the installation space, generally both sides are fitted with the warehouse walls of the components that are close to each other, and the installation groove 17 and the wiring groove 18 are provided to conceal the external cable connection connection interface 113.

[0042] The adjustment mechanism 2 includes a linear motor 21, a housing 22 and a connecting mechanism. The linear motor 21 and the housing 22 are arranged in parallel and spaced apart. The output end of the linear motor 21 is arranged facing the housing 22. The housing 22 is provided with a connecting slot 26 facing the output end of the linear motor 21. The connecting slot 26 extends along the inspection port to the displacement port 13. The connecting structure is arranged in the connecting slot 26. The output end of the linear motor 21 is connected to the connecting structure. The end of the connecting structure away from the inspection port 12 passes through the displacement port 13 to drive the connection to the fixed structure 3. The controller is electrically connected to the linear motor 21. The controller is used to control the linear motor 21 to drive the connecting mechanism to slide along the connecting slot 26, so that the connecting structure pushes the box body 1 with the fixed structure 3 as the fulcrum. The linear motor 21 is equipped with a driving connecting mechanism to move. The arrangement of the wiring slot 18 ensures stability during movement, so as to ensure smooth movement of the box body 1 as a whole.

[0043] The connection structure includes an electric telescopic rod 23, a sliding column 24 and a hinge shaft 25. The output end of the linear motor 21 is connected to the electric telescopic rod 23. The output end of the electric telescopic rod 23 and one end of the sliding column 24 are hinged through the hinge shaft 25. The end of the sliding column 24 away from the electric telescopic rod 23 is connected to the fixed structure 3. The sliding column 24 and the electric telescopic rod 23 are arranged in parallel, and the hinge shaft 25 is arranged vertically. The controller is electrically connected to the electric telescopic rod 23. The controller is used to control the electric telescopic rod 23 and the linear motor 21 to drive the sliding column 24 respectively, and the box 1 is moved out of the installation position through the connection, so that the box 1 rotates through the hinge shaft 25 to show the connection interface 113. The electric telescopic rod 23 can further increase the moving distance. The setting of the hinge shaft 25 can facilitate the turning of the box 1 to expose the connection interface 113, which is convenient for daily maintenance and disassembly and installation of the box 1 to the greatest extent.

[0044] The fixing structure 3 includes a fixing seat 31, a connecting column 32, a first fixing plate 33, a second fixing plate 34, a fixing bolt 35 and a fastening nut 36. One end of the connecting column 32 is rotatably connected to the adjustment mechanism through the connecting column 32; the first fixing plate 33 is arranged at the end of the connecting column 32 away from the fixing seat 31, and the first fixing plate 33 has a first connecting through hole 39 along the plate thickness; the second fixing plate 34 has a second connecting through hole 310 and a threaded through hole 311, and the connecting column 32 passes through the second connecting through hole 310. The second fixing plate is located between the fixing seat 31 and the first fixing plate 33, and the first fixing plate 33 and the second fixing plate 34 are connected. A clamping space 38 is formed between the first fixing plate 33 and the second fixing plate 34; the first connecting through hole 39 and the threaded through hole 311 are coaxially arranged; the fastening nut 36 is located on the side of the first fixing plate 33 away from the second fixing plate 34, and the fixing bolt 35 is used to threadably connect the threaded through hole 311, and then pass through the clamping space 38 and the first connecting through hole 39 in turn, so that the fixing bolt 35 and the fastening nut 36 are threadedly connected; the first fixing plate 33 and the second fixing plate 34 are used to limit any protrusion in the cabin to the clamping space 38, and the protrusion is fixed in the clamping space 38 by threading the fixing bolt 35 and the fastening nut 36, so that the box body 1 is fixed in the installation position.

[0045] Specifically, a connecting screw hole 312 is provided on one side of the fixing seat 31 away from the connecting column 32 ; an external thread is provided on one end of the sliding column 24 away from the hinge shaft 25 , and the sliding column 24 is threadedly connected to the connecting screw hole 312 of the fixing seat 31 through the external thread.

[0046] A fixing groove 37 is formed at one end of the fixing seat 31 facing the connecting column 32, and a ball bearing 313 is fixed in the fixing groove 37. The connecting column 32 is detachably fixed to the ball bearing 313 at one end away from the first fixing plate 34. The connecting column 32 is used for rotationally connecting with the fixing seat 31 through the ball bearing 313.

[0047] A rectangular through hole 19 is provided at the top of the box body 1, the rectangular through hole 19 is connected to the accommodating space 11, a heat dissipation fan 110 is arranged in the rectangular through hole 19, and a dust cover 111 is arranged on the side of the rectangular through hole 19 away from the accommodating space 11. The arrangement of the heat dissipation fan 110 can have a cooling effect on the accommodating space 11, and the arrangement of the dust cover 111 can prevent dust from entering the accommodating space 11.

[0048] A handle 112 is also provided at the top of the box body 1. When the box body 1 is moved out to the installation position, the handle 112 can be provided to assist in rotating the box body 1 to expose the connection interface 113.

[0049] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. Marine 24V lead-acid battery intelligent charger, characterized by: The invention comprises a box, an adjustment mechanism, a fixed structure, a power module, a rectifier module, a connection interface and a controller, wherein the power module, the rectifier module and the adjustment mechanism are all arranged in the box, the connection interface and the fixed structure are all arranged outside the box, the power module is electrically connected to the rectifier module and the connection interface respectively, and the connection interface is used to connect an external cable so that the power module is electrically connected to an external power system; a displacement port is opened on one side wall of the box, the fixed structure is located on a side where the displacement port is arranged outside the box, the output end of the adjustment mechanism drives and connects to the fixed structure through the displacement port, and the box is used to be fixed to an installation position in the cabin through the fixed structure; a universal wheel is arranged at the bottom of the box; the controller is electrically connected to the adjustment mechanism, the power module and the rectifier module respectively, and the controller is used to control the rectifier module to block the power backflow of the external power system when the power module is connected to the external power system; the controller is also used to control the adjustment mechanism to drive the fixed structure so that the box is moved out of the installation position through the universal wheel with the fixed structure as a fulcrum.

2. The marine 24V lead-acid battery intelligent charger according to claim 1, characterized in that: An inspection port is arranged on a side of the box body away from the displacement port, and an openable and closable door is arranged at the inspection port; a storage space is formed in the box body, and the power module, the rectifier module and the adjustment mechanism are all arranged in the storage space, and the storage space is respectively connected to the inspection port and the displacement port; the connection interface is located between the inspection port and the displacement port.

3. The marine 24V lead-acid battery intelligent charger according to claim 2 is characterized in that: An installation groove and a wiring groove are provided on one side wall of the box body between the inspection port and the displacement port, one end of the wiring groove is connected to the side wall of the box body where the displacement port is set, and the other end of the wiring groove is connected to the installation groove, and the connection interface is set in the installation groove.

4. The marine 24V lead-acid battery intelligent charger according to claim 2, characterized in that: The adjustment mechanism includes a linear motor, a shell and a connecting mechanism, the linear motor and the shell are arranged in parallel and at intervals, and the output end of the linear motor is arranged facing the shell; the shell is provided with a connecting groove facing the output end of the linear motor, the connecting groove extends along the inspection port toward the displacement port, and the connecting structure is arranged in the connecting groove; the output end of the linear motor is connected to the connecting structure, and the end of the connecting structure away from the inspection port passes through the displacement port to drive and connect to the fixed structure; the controller is electrically connected to the linear motor, and the controller is used to control the linear motor to drive the connecting mechanism to slide along the connecting groove, so that the connecting structure pushes the box body with the fixed structure as a fulcrum.

5. The marine 24V lead-acid battery intelligent charger according to claim 4, characterized in that: The connection structure includes an electric telescopic rod, a sliding column and an articulated shaft. The output end of the linear motor is connected to the electric telescopic rod. The output end of the electric telescopic rod and one end of the sliding column are hinged through the articulated shaft. The end of the sliding column away from the electric telescopic rod is connected to the fixed structure. The sliding column and the electric telescopic rod are arranged in parallel, and the articulated shaft is arranged vertically. The controller is electrically connected to the electric telescopic rod, and the controller is used to control the electric telescopic rod and the linear motor to drive the sliding column respectively, and the box is moved out of the installation position through the connection, so that the box rotates through the articulated shaft to show the connection interface.

6. The marine 24V lead-acid battery intelligent charger according to any one of claims 2-5, characterized in that: The fixing structure includes a fixing seat, a connecting column, a first fixing plate, a second fixing plate, a fixing bolt and a fastening nut, one end of the connecting column is rotatably connected to the adjustment mechanism through the connecting column; the first fixing plate is arranged at one end of the connecting column away from the fixing seat, the first fixing plate is provided with a first connecting through hole along the plate thickness; the second fixing plate is provided with a second connecting through hole and a threaded through hole, the connecting column passes through the second connecting through hole, the second fixing plate is located between the fixing seat and the first fixing plate, and a clamping space is formed between the first fixing plate and the second fixing plate; the first connecting through hole and the threaded through hole are coaxially arranged; the fastening nut is located on the side of the first fixing plate away from the second fixing plate, the fixing bolt is used to threadably connect the threaded through hole, and then sequentially pass through the clamping space and the first connecting through hole, so that the fixing bolt and the fastening nut are threadedly connected; the first fixing plate and the second fixing plate are used to limit any protrusion in the cabin to the clamping space, and the protrusion is fixed to the clamping space by threading the fixing bolt and the fastening nut, so that the box body is fixed in the installation position.

7. The marine 24V lead-acid battery intelligent charger according to claim 6, characterized in that: The fixing seat has an end facing the connecting column and a fixing groove is formed therein, a ball bearing is fixed in the fixing groove, and the connecting column is detachably fixedly connected to the ball bearing at one end away from the first fixing plate, and the connecting column is used for rotationally connecting with the fixing seat through the ball bearing.

8. The marine 24V lead-acid battery intelligent charger according to any one of claims 2-5, characterized in that: A rectangular through hole is provided at the top of the box body, the rectangular through hole is connected to the accommodating space, a heat dissipation fan is arranged in the rectangular through hole; a dust cover is arranged on a side of the rectangular through hole away from the accommodating space.

9. The marine 24V lead-acid battery intelligent charger according to any one of claims 2-5, characterized in that: A handle is also arranged on the top of the box body.

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