Electrode self-adjusting charging box suitable for low-light environment

Abstract

The invention relates to the technical field of charging boxes, in particular to an electrode self-adjusting charging box suitable for a low-light environment, which can carry out large-scale simultaneous charging, meets fault tolerance under a low-light condition, can be charged by randomly placing a positive electrode and a negative electrode, has high reliability and dual power supply redundancy design, and needs to meet the requirement of simultaneously charging 144 batteries at most. The charging speed can be controlled, and the power supply can be cut off by one key in emergency. And battery health degree detection, battery charging state display, and fast charging and slow charging distinguishing display of battery charging can be carried out. And the charging data can be visualized. Moreover, the power supply voltages and currents are the same, and all concentrated rechargeable batteries have the same power supply capability.

Description

Technical Field

[0001] The present invention relates to the technical field of charging boxes, and particularly to an electrode self-adjusting charging box applicable to low-light environments. Background Art

[0002] The military has issued a large number of devices using 18650 batteries, which need to be charged simultaneously on a large scale. When charging, there will be a situation where it is difficult to identify the positive and negative electrodes of the batteries due to poor lighting conditions.

[0003] Chinese Patent Publication No.: CN220457153U discloses a military-civilian dual-purpose charger adapted to charge different models of batteries, including a charger body, a display area opened above the front of the charger body; a charging socket for connecting an adapted charging wire harness is opened on the right side of the top surface of the charger body; further including: a battery seat installation bin is opened below the front of the charger body, and contact-type contacts are fixedly installed at equal distances on the inner bottom surface of the battery seat installation bin; among them, a battery seat body is installed inside the battery seat installation bin below the charger body; among them, limiting side plates for connecting with the battery seat installation bin are fixedly installed on the left and right sides of the front of the battery seat body; thus, the above technical solution has the following problems: in the case of poor lighting conditions where it is difficult to identify the positive and negative electrodes of the batteries, it is difficult to efficiently complete the rapid placement of a large number of batteries, and it does not consider determining whether the charging is qualified according to the monitoring data of the power change parameters of the batteries and the number of batteries to be charged in the charging box body, and does not consider regulating the charging box in case of charging abnormalities, which affects the charging efficiency of the batteries. Summary of the Invention

[0004] Therefore, the present invention provides an electrode self-adjusting charging box applicable to low-light environments to overcome the problems in the prior art that in the case of poor lighting conditions where it is difficult to identify the positive and negative electrodes of the batteries, it is difficult to efficiently complete the rapid placement of a large number of batteries, and it does not consider determining whether the charging is qualified according to the monitoring data of the power change parameters of the batteries and the number of batteries to be charged in the charging box body, and does not consider regulating the charging box in case of charging abnormalities, which affects the charging efficiency of the batteries.

[0005] To achieve the above object, the present invention provides an electrode self-adjusting charging box applicable to low-light environments, including:

[0006] A box body, on the inner sidewall of the box body, there are several groups of slide rails, and a charging layer is installed on each group of slide rails;

[0007] A central control mechanism, which includes several central control groups arranged on the upper surface of the charging layer, each central control group includes an electrode regulation unit for automatically switching the direction of the current flowing through the battery to be charged and a power supply regulation unit for power supply, and the electrode regulation unit is also used to obtain the power growth rate of each battery to be charged and the number of batteries to be charged in the box body;

[0008] A temperature control mechanism, which includes a number of cooling fans arranged on the surface of the box body;

[0009] An analysis mechanism, which is respectively connected to the central control mechanism and the temperature control mechanism, is used to determine the power change parameter based on the power growth rate of each battery to be charged, and determine whether the charging is qualified in combination with the number of batteries to be charged in the box body, and determine the processing method for charging anomalies based on the power growth difference amount in the case of determining charging anomalies, including adjusting the power supply power of the power supply control unit based on the power change deviation amount, or adjusting the rotation speed of each cooling fan based on the power difference deviation amount.

[0010] Further, the power supply control unit includes a redundant power supply group for power supply and a control panel connected to the redundant power supply group for controlling the supply current;

[0011] The electrode control unit is connected to the power supply control unit and includes a hierarchical circuit board;

[0012] A number of battery compartments for carrying batteries to be charged are evenly arranged on the upper surface of the hierarchical circuit board;

[0013] An ADC sampling chip for determining the electrode polarity, a first relay and a second relay for controlling the flow direction of the charging current, and an STM32 chip for controlling the operation of each relay based on the electrode polarity are arranged on the lower surface of the hierarchical circuit board. The STM32 chip controls the operation of the first relay and the second relay through a MOS tube;

[0014] The electrode control unit obtains the power growth rate and the number of batteries to be charged of each battery to be charged through the STM32 chip.

[0015] Further, the analysis mechanism is used to determine the power change parameter based on the power growth rate of each battery to be charged, including obtaining the power change parameter by solving the average value of the power growth rates of each battery to be charged.

[0016] Further, the analysis mechanism is used to determine whether the charging is qualified based on the power change parameter and the number of batteries to be charged in the box body, including:

[0017] If the power change parameter is less than or equal to the first preset power change parameter, it is determined that the charging is qualified, and the central control mechanism is controlled to continue charging each battery to be charged with the current operating parameters;

[0018] If the power change parameter is less than or equal to the second preset power change parameter and greater than the first preset power change parameter, it is determined whether the charging is qualified in combination with the number of batteries to be charged in the box body;

[0019] If the power change parameter is greater than the second preset power change parameter, it is determined that the charging is abnormal, and the processing method for the charging abnormality is determined based on the power increase difference;

[0020] The analysis mechanism is used to determine whether the charging is qualified in combination with the number of batteries to be charged in the box;

[0021] If the number of batteries to be charged in the box is less than or equal to the preset number of batteries, it is determined that the charging is abnormal, and the processing method for the charging abnormality is determined based on the power increase difference;

[0022] If the number of batteries to be charged in the box is greater than the preset number of batteries, the supply current is adjusted to the corresponding value based on the number of batteries to be charged in the box.

[0023] Further, the supply current is adjusted to the corresponding value based on the number of batteries to be charged in the box, where

[0024] The increase amplitude of the supply current is proportional to the number of batteries to be charged.

[0025] Further, the analysis mechanism is used to determine the processing method for the charging abnormality based on the power increase difference, including:

[0026] Used to determine the power increase difference;

[0027] Calculate the variance of the power increase speed of each battery to be charged to obtain the power increase difference;

[0028] If the power increase difference is less than or equal to the first preset power increase difference, the supply power of the power supply control unit is adjusted based on the power change deviation;

[0029] If the power increase difference is less than or equal to the second preset power increase difference and greater than the first preset power increase difference, the rotation speed of each cooling fan is adjusted based on the power difference deviation;

[0030] If the power increase difference is greater than the second preset power increase difference, the first preset power change parameter and the second preset power change parameter are adjusted to the corresponding values based on the fullness ratio parameter, and it is re-determined whether the charging is qualified according to the adjusted preset power change parameter.

[0031] Further, the supply power of the power supply control unit is adjusted based on the power change deviation, where:

[0032] The increase amplitude of the supply power is proportional to the power change deviation.

[0033] Further, the rotation speed of each cooling fan is adjusted based on the power difference deviation, where

[0034] The increase amplitude of the rotation speed of the cooling fan is directly proportional to the power difference deviation.

[0035] Furthermore, based on the fullness ratio parameter, the first preset power change parameter and the second preset power change parameter are adjusted to corresponding values, where

[0036] the increase amplitudes of the first preset power change parameter and the second preset power change parameter are directly proportional to the fullness ratio parameter.

[0037] Compared with the prior art, the beneficial effects of the present invention are as follows: large-scale simultaneous charging can be carried out, fault tolerance under low-light conditions can be satisfied at the same time, charging can be carried out by placing the positive and negative electrodes randomly, high reliability is possessed at the same time, dual-power supply redundancy design is adopted, and the requirement of simultaneously charging up to 144 batteries needs to be met. The charging speed can be controlled, and the power supply can be cut off with one key in case of emergency. The battery health can be detected, the battery charging status can be displayed, and the difference between fast charging and slow charging of the battery can be displayed. And the charging data is visualized. Moreover, the supply voltages are the same, the currents are the same, and all the centrally charged batteries have the same power supply capacity. Description of the Drawings

[0038] Figure 1 It is a schematic structural diagram of the electrode self-adjusting charging box according to an embodiment of the present invention;

[0039] In the figure: 1. Box body; 11. Slide rail; 12. Charging layer. Detailed Embodiments

[0040] In order to make the objectives and advantages of the present invention clearer and more understandable, the present invention will be further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] The preferred embodiments of the present invention will be described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the present invention and do not limit the protection scope of the present invention.

[0042] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0043] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it 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, and it can be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] Please refer to Figure 1 as shown, which are respectively the structural schematic diagrams of the electrode self-regulating charging box according to the embodiments of the present invention; an electrode self-regulating charging box applicable to low-light environments according to an embodiment of the present invention includes:

[0045] A box body, on the inner side wall of which there are several groups of slide rails, and a charging layer is installed on each group of slide rails;

[0046] A central control mechanism, which includes several central control groups arranged on the upper surface of the charging layer. Each central control group includes an electrode control unit for automatically switching the direction of the current flowing through the battery to be charged and a power supply control unit for power supply. The electrode control unit is also used to obtain the power growth rate of each battery to be charged and the number of batteries to be charged in the box body;

[0047] A temperature control mechanism, which includes several heat dissipation fans arranged on the surface of the box body;

[0048] An analysis mechanism, which is respectively connected to the central control mechanism and the temperature control mechanism, and is used to determine the power change parameter based on the power growth rate of each battery to be charged, and to determine whether the charging is qualified in combination with the number of batteries to be charged in the box body, and to determine the processing method for charging anomalies based on the power growth difference amount in the case of determining charging anomalies, including adjusting the power supply power of the power supply control unit based on the power change deviation amount, or adjusting the rotation speed of each heat dissipation fan based on the power difference deviation amount.

[0049] Specifically, the power supply control unit includes a redundant power supply group for power supply and a control panel connected to the redundant power supply group for controlling the supply current;

[0050] The connection between the electrode control unit and the power supply control unit includes a hierarchical circuit board;

[0051] On the upper surface of the hierarchical circuit board, there are several battery compartments for carrying the batteries to be charged evenly;

[0052] On the lower surface of the hierarchical circuit board, there are an ADC sampling chip for determining the electrode polarity, a first relay and a second relay for controlling the charging current flow direction, and an STM32 chip for controlling the operation of each relay based on the electrode polarity. The STM32 chip controls the operation of the first relay and the second relay through MOS transistors;

[0053] The electrode control unit obtains the power growth rate and the number of batteries to be charged of each battery to be charged through the STM32 chip.

[0054] Specifically, the ADC sampling chip is used to determine the electrode polarity, including: detecting the battery polarity through the remaining tiny power voltage of the battery to be charged. If no voltage is detected, it is determined that the positive and negative electrode sequence is abnormal, and the first relay and the second relay are controlled to reverse the power supply polarity, and the voltage is detected again. If there is still no voltage, it is determined that there is no battery. If there is voltage, it is determined that the power supply polarity reversal is correct, and the control panel is determined to perform charging, which will not be elaborated here.

[0055] Specifically, the analysis mechanism is used to determine the power change parameter based on the power growth rate of each battery to be charged, including obtaining the power change parameter by solving the average value of the power growth rates of each battery to be charged.

[0056] Specifically, the analysis mechanism is used to determine whether the charging is qualified based on the power change parameter and the number of batteries to be charged in the box, including:

[0057] If the power change parameter is less than or equal to the first preset power change parameter, it is determined that the charging is qualified, and the central control mechanism is controlled to continue charging each battery to be charged with the current operating parameters;

[0058] If the power change parameter is less than or equal to the second preset power change parameter and greater than the first preset power change parameter, it is determined whether the charging is qualified in combination with the number of batteries to be charged in the box;

[0059] If the power change parameter is greater than the second preset power change parameter, it is determined that the charging is abnormal, and the processing method for the charging abnormality is determined based on the power growth difference;

[0060] The analysis mechanism is used to determine whether the charging is qualified in combination with the number of batteries to be charged in the box;

[0061] If the number of batteries to be charged in the box is less than or equal to the preset number of batteries, it is determined that the charging is abnormal, and the processing method for the charging abnormality is determined based on the power growth difference;

[0062] If the number of batteries to be charged in the box is greater than the preset number of batteries, the supply current is adjusted to the corresponding value based on the number of batteries to be charged in the box.

[0063] Specifically, the supply current is adjusted to the corresponding value based on the number of batteries to be charged in the box, where

[0064] The increase amplitude of the supply current is proportional to the number of batteries to be charged.

[0065] Specifically, the analysis mechanism is used to determine the processing method for charging anomalies based on the power growth difference, including:

[0066] Used to determine the power growth difference;

[0067] Calculate the variance of the power growth rate of each battery to be charged to obtain the power growth difference;

[0068] If the power growth difference is less than or equal to the first preset power growth difference, adjust the power supply of the power supply control unit based on the power change deviation;

[0069] If the power growth difference is less than or equal to the second preset power growth difference and greater than the first preset power growth difference, adjust the rotation speed of each cooling fan based on the power difference deviation;

[0070] If the power growth difference is greater than the second preset power growth difference, adjust the first preset power change parameter and the second preset power change parameter to corresponding values based on the fullness ratio parameter, and re-determine whether the charging is qualified according to the adjusted preset power change parameter.

[0071] Specifically, adjust the power supply of the power supply control unit based on the power change deviation, where:

[0072] The increase amplitude of the power supply is proportional to the power change deviation.

[0073] Specifically, adjust the rotation speed of each cooling fan based on the power difference deviation, where,

[0074] The increase amplitude of the rotation speed of the cooling fan is proportional to the power difference deviation.

[0075] Specifically, adjust the first preset power change parameter and the second preset power change parameter to corresponding values based on the fullness ratio parameter, where,

[0076] The increase amplitude of the first preset power change parameter and the second preset power change parameter is proportional to the fullness ratio parameter.

[0077] Specifically, compare the power change parameter with the adjusted first preset power growth difference and the second preset power growth difference;

[0078] If the power change parameter is less than or equal to the adjusted first preset power change parameter, determine that the charging is qualified, and control the central control mechanism to continue to use the current operating parameters to complete the charging of each battery to be charged;

[0079] If the power change parameter is less than or equal to the adjusted second preset power change parameter and greater than the adjusted first preset power change parameter, determine whether the charging is qualified in combination with the number of batteries to be charged in the box;

[0080] If the power change parameter is greater than the adjusted second preset power change parameter, adjust the rotation speed of each cooling fan based on the power difference deviation.

[0081] Specifically, under the condition that the analysis mechanism completes the adjustment of the rotation speed of the cooling fan, compare the adjusted rotation speed of the cooling fan with the preset maximum rotation speed. If the adjusted rotation speed of the cooling fan is less than or equal to the preset maximum rotation speed, use the adjusted rotation speed of the cooling fan as the operating parameter of the temperature control mechanism; if the adjusted rotation speed of the cooling fan is greater than the preset maximum rotation speed, use the preset maximum rotation speed as the operating parameter of the temperature control mechanism, and adjust the power supply power to 1.11 times the initial power supply power.

[0082] So far, the technical solution of the present invention has been described in combination with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or replacements to the relevant technical features, and the technical solutions after these changes or replacements will all fall within the protection scope of the present invention.

[0083] The above are only the preferred embodiments of the present invention and are not used to limit the present invention; for those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electrode self-regulating charging box applicable to low-light environments, characterized in that, Including: A box body, on the inner side wall of which there are several groups of slide rails, and a charging layer is installed on each group of slide rails; A central control mechanism, which includes several central control groups arranged on the upper surface of the charging layer. Each central control group includes an electrode control unit for automatically switching the direction of the current flowing through the battery to be charged and a power supply control unit for supplying power. The electrode control unit is also used to obtain the power growth rate of each battery to be charged and the number of batteries to be charged in the box body; A temperature control mechanism, which includes several cooling fans arranged on the surface of the box body; An analysis mechanism, which is respectively connected to the central control mechanism and the temperature control mechanism, is used to determine the power change parameter based on the power growth rate of each battery to be charged, and determine whether the charging is qualified in combination with the number of batteries to be charged in the box body. And in the case of determining charging abnormality, determine the processing method for charging abnormality based on the power growth difference amount, including adjusting the power supply power of the power supply control unit based on the power change deviation amount, or adjusting the rotation speed of each cooling fan based on the power difference deviation amount.

2. The electrode self-adjusting charging box applicable to low-light environments according to claim 1, wherein The power supply control unit includes a redundant power supply group for supplying power and a control panel connected to the redundant power supply group for controlling the supply current; The connection between the electrode control unit and the power supply control unit includes a hierarchical circuit board; On the upper surface of the hierarchical circuit board, there are several battery compartments for carrying the batteries to be charged evenly; On the lower surface of the hierarchical circuit board, there are an ADC sampling chip for determining the electrode polarity, a first relay and a second relay for controlling the charging current flow direction, and an STM32 chip for controlling the operation of each relay based on the electrode polarity. The STM32 chip controls the operation of the first relay and the second relay through MOS transistors; The electrode control unit obtains the power growth rate and the number of batteries to be charged of each battery to be charged through the STM32 chip.

3. The electrode self-adjusting charging box applicable to low-light environments according to claim 2, wherein The analysis mechanism is used to determine the power change parameter based on the power growth rate of each battery to be charged, including obtaining the power change parameter by solving the average value of the power growth rates of each battery to be charged.

4. The electrode self-regulating charging box applicable to low-light environments according to claim 3, wherein The analysis mechanism is used to determine whether the charging is qualified based on the power change parameter and the number of batteries to be charged in the box body, including: If the power change parameter is less than or equal to the first preset power change parameter, it is determined that the charging is qualified, and the central control mechanism is controlled to continue charging each battery to be charged with the current operating parameters; If the power change parameter is less than or equal to the second preset power change parameter and greater than the first preset power change parameter, it is determined whether the charging is qualified in combination with the number of batteries to be charged in the box body; If the power change parameter is greater than the second preset power change parameter, it is determined that the charging is abnormal, and the processing method for charging abnormality is determined based on the power growth difference amount; The analysis mechanism is used to determine whether the charging is qualified in combination with the number of batteries to be charged in the box body; If the number of batteries to be charged in the box body is less than or equal to the preset number of batteries, it is determined that the charging is abnormal, and the processing method for charging abnormality is determined based on the power growth difference amount; If the number of batteries to be charged in the box body is greater than the preset number of batteries, the supply current is adjusted to the corresponding value based on the number of batteries to be charged in the box body.

5. The electrode self-adjusting charging box applicable to low-light environments according to claim 4, characterized in that, Adjust the supply current to the corresponding value based on the number of batteries to be charged in the box body, where The increase amplitude of the supply current is proportional to the number of batteries to be charged.

6. The electrode self-adjusting charging box applicable to low-light environments according to claim 5, characterized in that The analysis mechanism is used to determine the processing method for charging anomalies based on the power increase difference amount, including: Used to determine the power increase difference amount; Calculate the variance of the power increase speed of each battery to be charged to obtain the power increase difference amount; If the power increase difference amount is less than or equal to the first preset power increase difference amount, adjust the power supply of the power supply control unit based on the power change deviation amount; If the power increase difference amount is less than or equal to the second preset power increase difference amount and greater than the first preset power increase difference amount, adjust the rotation speed of each cooling fan based on the power difference deviation amount; If the power increase difference amount is greater than the second preset power increase difference amount, adjust the first preset power change parameter and the second preset power change parameter to corresponding values based on the fullness ratio parameter, and re-determine whether the charging is qualified according to the adjusted preset power change parameter.

7. The electrode self-adjusting charging box applicable to low-light environments according to claim 6, characterized in that Adjust the power supply of the power supply control unit based on the power change deviation amount, where: The increase amplitude of the power supply is proportional to the power change deviation amount.

8. The electrode self-adjusting charging box applicable to low-light environments according to claim 7, characterized in that Adjust the rotation speed of each cooling fan based on the power difference deviation amount, where The increase amplitude of the rotation speed of the cooling fan is proportional to the power difference deviation amount.

9. The electrode self-adjusting charging box applicable to low-light environments according to claim 8, characterized in that Adjust the first preset power change parameter and the second preset power change parameter to corresponding values based on the fullness ratio parameter, where The increase amplitude of the first preset power change parameter and the second preset power change parameter is proportional to the fullness ratio parameter.

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