Lithium battery charging and replacing system for forklift

Abstract

The utility model provides a lithium battery charging and replacing system for a forklift. The lithium battery charging and replacing system comprises a cabinet body; the front surface of the cabinet body is concavely provided with the charging cabins with open grids, and the charging cabins are vertically and uniformly distributed along the front surface of the cabinet body; the charger sets are arranged in the rear side of the cabinet body and matched with the charging bins one by one, the lithium batteries are placed in the charging bins so as to be charged by the charger sets, microswitches electrically connected with the control system are installed on the rear portions of the inner sides of the charging bins, and the microswitches are triggered when the lithium batteries are placed in place; according to the utility model, the open charging cabin is arranged on the front surface of the cabinet body and is matched with the microswitch and other structures, so that a battery can be quickly inserted into the charging cabin and fed back during charging, the operation is convenient, all modules are reasonable in layout, the charging and maintenance operations are convenient, the appearance is attractive and simple, and the practicability is good; the technical problems that in the prior art, charging operation is inconvenient, safety is poor, and module layout rationality is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery charging cabinet technical field especially relates to a lithium battery charge -changing system for forklift. BACKGROUND

[0002] With the development of science and technology, lithium battery has become an indispensable part of the market, in recent years, the current lithium battery expands to the field such as electric bicycle, electric vehicle, lithium battery has the advantages of high voltage, high energy ratio, long cycle life, fast charging speed.

[0003] Chinese patent CN202021957991.X discloses a kind of lithium battery safety charging cabinet, including charging cabinet, several drawers are arranged from top to bottom in charging cabinet, the middle part of drawer is provided with baffle, the inside of drawer is located on the side of baffle and is provided with B6 balance charger, the other side is used to place lithium battery, the position close to B6 balance charger interface on baffle is provided with communication hole, sand hopper mounting plate is horizontally arranged below the top of charging cabinet, and sand hopper mounting plate is provided with fire extinguishing mechanism, smoke sensor and temperature sensor.

[0004] However, the charging cabinet in prior art still has problems such as inconvenient charging operation, poor safety, and lack of module layout rationality. UTILITY MODEL CONTENT

[0005] The utility model aims at the deficiency of prior art, provides a kind of lithium battery charge -changing system for forklift, by setting open type charging bin in the front of cabinet body, cooperate with microswitch and guide column structure, battery can be quickly inserted into charging bin and get feedback when charging, it is convenient to operate, charger group and control system etc. module are hiddenly arranged in the rear side of cabinet body, cooperate with the cabinet door opened in rear side to facilitate maintenance, each module is rationally distributed, charging and maintenance operation are convenient, appearance is simple and elegant, and practicality is good, solve the problems such as inconvenient charging operation, poor safety, lack of module layout rationality and other technical problems in prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of lithium battery charge -changing system for forklift, including: cabinet body;Charging bin, the front of cabinet body is recessed to the inside and is provided with open grid charging bin, charging bin is evenly distributed along the vertical direction of the front of cabinet body;And charger group, charger group is set to the inside of the rear side of cabinet body and is matched with charging bin one by one, lithium battery is placed in charging bin to be charged by charger group, the inside rear portion of charging bin is installed with microswitch electrically connected with control system, lithium battery is placed in position and then triggers microswitch.

[0008] As preferred, 5 charging bins are arranged along the vertical direction of the cabinet body.

[0009] As a preferred option, a rear door is provided on the back of the cabinet to facilitate routine maintenance of the charging unit and other components.

[0010] As a preferred option, an emergency stop switch is also installed at the top front of the cabinet.

[0011] As a preferred option, a fire extinguisher is also installed on the cabinet.

[0012] Preferably, each charging compartment is equipped with a display screen on the cabinet above it. The display screen is electrically connected to the control system and displays the voltage, current, charging temperature, battery SOC, and charging abnormality information during the charging process.

[0013] Preferably, a fire extinguishing device is provided on the inner top of the charging compartment, and the top of the charging compartment has an opening and is detachably covered by a sheet metal part, on which the fire extinguishing device is installed.

[0014] Preferably, the fire extinguishing device is a thermal aerosol.

[0015] Preferably, a guide post is provided on the inner bottom of the charging compartment to guide the lithium battery in and out of the compartment in a horizontal sliding manner.

[0016] Preferably, the rear side of the charging compartment is equipped with a male discharge port that is electrically connected to the charger assembly, and the rear of the lithium battery is equipped with a female connector that is compatible with the male discharge port.

[0017] Preferably, a heat dissipation structure is provided on the inner top surface of the cabinet, which includes a fan installed on the top surface and a heat dissipation vent on the top surface at the position of the matching fan.

[0018] As a preferred option, the inner wall of the cabinet is also equipped with a main control board and a DC module.

[0019] As a preferred option, casters are installed at the bottom of the cabinet to fix its position.

[0020] The beneficial effects of this utility model are as follows:

[0021] (1) This utility model has an open charging compartment set on the front of the cabinet, which is combined with a micro switch and a guide column structure. When charging, the battery can be quickly inserted into the charging compartment and feedback can be obtained. The operation is convenient. The charger group and control system modules are hidden on the back of the cabinet. The cabinet door is opened on the back for maintenance. The layout of each module is reasonable, and the charging and maintenance operations are convenient. The appearance is beautiful and simple, and the practicality is good.

[0022] (2) By setting a micro switch, when the battery is inserted into the battery compartment, the micro switch is triggered and a contact mark appears on the display screen, indicating that the battery is inserted in place. If no contact mark appears, the battery needs to be reinserted.

[0023] (3) This utility model provides a guide post at the bottom of the charging compartment that matches the groove at the bottom of the battery, which facilitates the battery to slide quickly into the charging compartment, plays a guiding and positioning role, and can limit the placement of the battery to ensure alignment and connection with the charger, thus ensuring charging stability and efficiency.

[0024] (4) This utility model is equipped with a fire extinguishing device in each charging compartment, which can automatically extinguish the fire in the event of a charging accident. The fire extinguishing device is set as a thermal aerosol, and each charging compartment is equipped with 10g of aerosol. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the main structure of the present utility model. Figure 1 ;

[0026] Figure 2 This is an exploded view of the overall structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the main structure of the present utility model. Figure 2 ;

[0028] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0029] Figure 5 This is a partial structural schematic diagram of the present invention. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] Example 1

[0034] like Figures 1-2 As shown, a lithium battery charging and swapping system for forklifts includes: a cabinet 1; a charging compartment 21, wherein the front of the cabinet 1 has an inwardly recessed charging compartment 21 with open grids, and the charging compartments 21 are evenly distributed vertically along the front of the cabinet 1; and a charger assembly 22, wherein the charger assembly 22 is disposed inside the rear side of the cabinet 1 and is matched with the charging compartment 21 one by one. The lithium battery is placed in the charging compartment 21 for charging by the charger assembly 22. A micro switch 3 electrically connected to the control system is installed on the inner rear side of the charging compartment 21. When the lithium battery is placed in the correct position, the micro switch 3 is triggered.

[0035] Preferably, each charging compartment 21 is equipped with a display screen 5 on the cabinet 1 above it. The display screen 5 is electrically connected to the control system and displays the voltage, current, charging temperature, battery SOC, and charging abnormality information during the charging process.

[0036] In this embodiment, by setting a micro switch 3, when the battery is inserted into the battery compartment 21, the micro switch 3 is triggered, and a contact mark appears on the display screen 5, indicating that the battery is inserted in place. If no contact mark appears, the battery needs to be reinserted or removed.

[0037] As a preferred embodiment, the inner wall of the cabinet 1 is also equipped with a main control board 11 and a DC module 12.

[0038] This embodiment features a control system that displays voltage, temperature, and SOC during charging. The charging cabinet incorporates an intelligent charging management system with functions including voltage, current, charging temperature, battery SOC, and display of charging anomalies. Additionally, a three-color warning light will flash to alert the user to address the issue promptly in case of a charging anomaly.

[0039] Preferably, five charging compartments 21 are arranged vertically along the cabinet 1.

[0040] As a preferred option, a rear door is provided on the rear side of the cabinet 1 to facilitate routine maintenance of the charger assembly 22, etc.

[0041] In this embodiment, the charger group 22 and control system modules are hidden on the rear side of the cabinet 1, and a cabinet door is opened on the rear side for maintenance. The layout of each module is reasonable, charging and maintenance operations are convenient, the appearance is beautiful and simple, and the practicality is good.

[0042] Preferably, the rear side of the charging compartment 21 is equipped with a male discharge port 24 that is electrically connected to the charger assembly 22, and the rear of the lithium battery is provided with a female connector that is adapted to be plugged into the male discharge port 24.

[0043] Preferably, the bottom of the cabinet 1 is equipped with casters 8, which fix the position of the cabinet 1.

[0044] The charging and swapping system of this utility model has a charging cabinet with dimensions of 600*450*1582mm and a weight of approximately 94kg.

[0045] Example 2

[0046] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0047] As a preferred option, such as Figure 2 As shown, an emergency stop switch 41 is also installed on the top front of cabinet 1.

[0048] As a preferred option, a fire extinguisher 42 is also installed on cabinet 1.

[0049] Preferably, a fire extinguishing device 6 is provided on the inner top of the charging compartment 21, and an opening is provided on the top of the charging compartment 21 and a mounting sheet metal part 25 is detachably covered from the top, on which the fire extinguishing device 6 is installed.

[0050] Preferably, the fire extinguishing device is a thermal aerosol.

[0051] In this embodiment, a fire extinguishing device 6 is installed in each charging compartment 21, which can automatically extinguish the fire in the event of a charging accident. The fire extinguishing device 6 is a thermal aerosol, and each charging compartment is equipped with 10g of aerosol.

[0052] As a preferred option, such as Figures 4-5 As shown, a heat dissipation structure is provided on the inner top surface of the cabinet 1. The heat dissipation structure includes a fan 71 installed on the top surface and a heat dissipation vent 72 opened on the top surface to match the position of the fan 71.

[0053] Example 3

[0054] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0055] As a preferred option, such as Figure 2 As shown, a guide post 23 is provided on the inner bottom of the charging compartment 21, which guides the lithium battery to slide horizontally in and out of the compartment.

[0056] In this embodiment, by providing a guide post 23 at the bottom of the charging compartment 21 that matches the groove at the bottom of the battery, the battery can be quickly slid into the charging compartment 21, which serves as a guide and positioning function, and can limit the placement of the battery to ensure alignment and connection with the charger, thereby ensuring charging stability and efficiency.

[0057] In this embodiment, an open charging compartment 21 is set on the front of the cabinet 1. With the help of a micro switch 3 and a guide post 23, the battery can be quickly inserted into the charging compartment and feedback can be obtained during charging, making the operation convenient.

[0058] Work process:

[0059] Connect the power supply; open the back door, connect the power cord to the external circuit breaker, and then push the circuit breaker upwards (for first-time use); close the back door, go to the front to check if each display screen is displaying normally, and then insert the batteries one by one from top to bottom; when you hear a "click" sound when the switch is inserted and a charging icon appears on the display screen, it means that the battery has been inserted and started charging; when the battery is fully charged, the battery icon will show green and 100%, indicating that the battery is fully charged; remove the batteries.

[0060] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lithium battery charging and replacing system for a forklift, characterized in that, It includes: Cabinet body (1); Charging bin (21), the front of the cabinet body (1) is inwardly recessed to have an open grid charging bin (21), the charging bin (21) is vertically and uniformly distributed along the front of the cabinet body (1); And Charger group (22), the charger group (22) is arranged inside the rear side of the cabinet body (1) and matches the charging bin (21) one by one, the lithium battery is placed in the charging bin (21) to be charged by the charger group (22), the inner side rear part of the charging bin (21) is provided with a micro switch (3) electrically connected with the control system, the lithium battery is placed in place to trigger the micro switch (3).

2. The lithium battery charging and replacing system for a forklift according to claim 1, characterized in that, The front top of the cabinet body (1) is also provided with an emergency stop switch (41).

3. The lithium battery charge changing system for a forklift according to claim 1, characterized in that, The cabinet body (1) is also provided with a fire extinguisher (42).

4. The lithium battery charge changing system for a forklift according to claim 1, characterized by, The display screen (5) is arranged above each charging bin (21) and is electrically connected with the control system, which displays the voltage, current, charging temperature, battery SOC and charging abnormal information in the charging process.

5. The lithium battery charge changing system for a forklift according to claim 1, characterized in that, The inner top of the charging bin (21) is provided with a fire extinguishing device (6), the top of the charging bin (21) is provided with an opening and is detachably capped from the upper part with a mounting sheet metal part (25), the mounting sheet metal part (25) is provided with the fire extinguishing device (6).

6. The lithium battery charge changing system for a forklift according to claim 1, characterized by, The inner bottom of the charging bin (21) is provided with a guide column (23), which guides the horizontal sliding of the lithium battery into and out of the bin.

7. The lithium battery charge changing system for a forklift according to claim 1, characterized by, The rear side of the charging bin (21) is provided with a discharge port male head (24) electrically connected with the charger group (22), and the rear part of the lithium battery is provided with a female head matched with the discharge port male head (24).

8. The lithium battery charge changing system for a forklift according to claim 1, characterized by, The inner top of the cabinet body (1) is provided with a heat dissipation structure, which includes a fan (71) mounted on the top surface and a heat dissipation port (72) matched with the fan (71) and opened on the top surface.

9. The lithium battery charge changing system for a forklift according to claim 1, characterized in that, The inner side wall of the cabinet body (1) is also provided with a main control board (11) and a DC module (12).

10. The lithium battery charge changing system for a forklift according to claim 1, characterized in that, The bottom of the cabinet body (1) is provided with a form wheel (8), which fixes the position of the cabinet body (1).

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