CN111600347A - A remote control system for sharing lithium battery - Google Patents
A remote control system for sharing lithium battery Download PDFInfo
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- CN111600347A CN111600347A CN202010368266.7A CN202010368266A CN111600347A CN 111600347 A CN111600347 A CN 111600347A CN 202010368266 A CN202010368266 A CN 202010368266A CN 111600347 A CN111600347 A CN 111600347A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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Abstract
本发明公开了一种共享锂电池的远程控制系统，包括充电模块、放电模块、断路模块和控制模块；还包括存储模块、电流采样模块、电流比较模块、第一异常报警模块、数据显示模块、无线通信模块、温度检测模块、温度比较模块、第二异常报警模块、散热模块、漏电监测模块和短路监测模块。本发明通过电流采样模块和电流比较模块，对放电模块恒流放电的实时电流值进行实时的监测，保证了锂电池测试结果的准确性；并且，一发现实时电流值与预设电流值不匹配时，第一异常报警模块则会发出电流异常报警，及时提醒维护人员，避免造成较大损失。
The invention discloses a remote control system for sharing lithium batteries, comprising a charging module, a discharging module, a circuit breaking module and a control module; and further comprising a storage module, a current sampling module, a current comparison module, a first abnormal alarm module, a data display module, Wireless communication module, temperature detection module, temperature comparison module, second abnormal alarm module, heat dissipation module, leakage monitoring module and short circuit monitoring module. The present invention uses the current sampling module and the current comparison module to monitor the real-time current value of the constant-current discharge of the discharge module in real time, so as to ensure the accuracy of the lithium battery test result; and, once it is found that the real-time current value does not match the preset current value When the current abnormality occurs, the first abnormal alarm module will issue an abnormal current alarm to remind maintenance personnel in time to avoid causing large losses.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a remote control system for sharing lithium batteries.
Background
Along with the progress of the society, the sharing electric vehicle is more and more popularized, so the charging cabinet of the lithium battery used by the sharing electric vehicle is put in each area, and a user can conveniently and timely replace the lithium battery of the sharing electric vehicle. Since the capacity of a lithium battery is degraded after a plurality of charging and discharging operations, it is necessary to periodically test the capacity of the lithium battery. At present, the traditional charging cabinet only has a charging function and no discharging function, and the battery capacity of the lithium battery cannot be tested. Therefore, when the battery capacity of the lithium battery is to be tested, the lithium battery is recovered from a release point of the charging cabinet to a manufacturer or a test point and then tested by the traditional method. However, this method is time consuming, costly and affects the normal use of the user.
The existing mode is to perfect and improve the charging cabinet, the lithium battery is charged and discharged through the charging module and the discharging module, and the control module calculates the discharging time and the battery capacity, so that the battery replacing cabinet has the function of testing the battery capacity, and the problems of long time consumption, high cost and influence on normal use of a user, which are caused by the fact that the lithium battery in the charging cabinet needs to be recycled to a manufacturer or a test point for testing, in the traditional battery replacing cabinet are solved.
However, the discharging condition of the discharging module is unclear, and when the discharging module discharges at a constant current, a fault or an abnormality occurs, so that the test result of the lithium battery is inaccurate, and the subsequent normal use and maintenance work of the lithium battery is influenced; and the parameters of the discharging module in fault or abnormity cannot be known, and the staff still needs to perform detailed investigation under the condition of knowing the fault or abnormity, which wastes a large amount of unnecessary time.
Disclosure of Invention
The object of the present invention is to overcome the disadvantages of the prior art, such as: in the prior art, the discharging condition of a discharging module is unclear, and when the discharging module discharges at a constant current, a fault or an abnormality occurs, so that the test result of the lithium battery is inaccurate, and the subsequent normal use and maintenance work of the lithium battery are influenced; and the parameters of the discharging module in fault or abnormity cannot be known, and the staff still needs to perform detailed investigation under the condition of knowing the fault or abnormity, which wastes a large amount of unnecessary time.
The purpose of the invention is realized by the following technical scheme:
a remote control system for sharing a lithium battery comprises a charging module, a discharging module, a circuit breaking module and a control module; the device also comprises a storage module, a current sampling module, a current comparison module, a first abnormity alarm module, a data display module, a wireless communication module, a temperature detection module, a temperature comparison module, a second abnormity alarm module, a heat dissipation module, an electric leakage monitoring module and a short circuit monitoring module;
the charging module is connected with the control module and is used for charging the lithium battery;
the discharging module is connected with the control module and is used for carrying out constant current discharging on the lithium battery according to a preset current value;
the circuit breaking module is connected with the control module and used for enabling the lithium battery to be powered off;
the storage module is respectively connected with the control module, the current comparison module and the temperature comparison module; the storage module is used for storing a preset current value discharged by the discharge module and a temperature threshold value of the lithium battery; the storage module respectively sends a preset current value and a preset temperature threshold value to the current comparison module and the temperature comparison module under the control of the control module;
the current sampling module is connected with the current comparison module, and the current sampling module collects a real-time current value of the discharge module during constant current discharge and sends the real-time current value to the current comparison module;
the current comparison module is connected with the control module, the control module controls the current comparison module to act, and the current comparison module sends a current comparison result to the control module;
the first abnormity alarm module is connected with the current comparison module, and when the real-time current value is not matched with the preset current value, the first abnormity alarm module gives out abnormity alarm;
the data display module is connected with the control module;
the wireless communication module is connected with the control module, and the control module is connected with a remote terminal network through the wireless communication module;
the electric leakage monitoring module is connected with the control module and is used for monitoring whether the lithium battery generates electric leakage or not;
the short circuit monitoring module is connected with the control module and is used for monitoring whether the lithium battery is short-circuited or not;
the voltage sampling module is connected with the voltage comparison module, and the voltage comparison module is respectively connected with the third abnormal alarm module, the storage module and the control module; wherein,
the voltage sampling module is used for sampling the real-time voltage value of the charging module and sending the real-time voltage value to the voltage comparison module when the charging module performs constant-voltage charging on the lithium battery;
the storage module is also used for storing a preset voltage value when the charging module carries out constant voltage charging on the lithium battery;
and the voltage comparison module compares the real-time voltage value with a preset voltage value and sends a voltage comparison result to the control module, when the real-time voltage value is not matched with the preset voltage value, the voltage comparison module drives the third abnormal alarm module to send an abnormal alarm, and the control module controls the circuit breaking module to break the lithium battery.
The system further comprises a lithium battery capacity detection module, a capacity comparison module and a fourth abnormity alarm module, wherein the capacity comparison module is respectively connected with the lithium battery capacity detection module, the fourth abnormity alarm module, the storage module and the control module; wherein,
the lithium battery capacity detection module is used for detecting the capacity of the lithium battery in real time when the real-time current value is not matched with the preset current value, obtaining the real-time capacity value of the lithium battery and sending the real-time capacity value to the capacity comparison module;
the storage module is also used for storing the lithium battery capacity thresholds in different discharge periods;
and the capacity comparison module compares the real-time capacity value of the lithium battery with the capacity threshold value of the lithium battery, sends a capacity comparison result to the control module, and drives the fourth abnormity alarm module to send an abnormity alarm when the real-time capacity value of the lithium battery is not matched with the capacity threshold value of the lithium battery.
Furthermore, the current sampling module is connected with the current comparison module sequentially through a first signal amplifying circuit, a first signal filtering circuit and a first analog-to-digital conversion circuit.
Furthermore, the data display module adopts an LCD.
Further, the wireless communication module adopts a 4G communication circuit, a 5G communication circuit or a Bluetooth communication circuit.
Further, the storage module adopts a mobile hard disk.
Furthermore, the first abnormity alarm module, the third abnormity alarm module and the fourth abnormity alarm module all adopt acousto-optic alarm circuits.
The invention has the beneficial effects that: one innovation point of the scheme is that the real-time current value of constant-current discharging of the discharging module is monitored in real time through the current sampling module and the current comparison module, so that the accuracy of a lithium battery test result is ensured; and when the current value is not matched with the preset current value in the first occurrence, the first abnormal alarm module can send out abnormal current alarm to remind maintenance personnel in time, so that great loss is avoided.
One innovation point of the scheme is that the current comparison result, the temperature comparison result, the real-time current value and the real-time temperature value are displayed through the data display module, so that a tester can know the specific condition of the lithium battery in time, and relevant test data are visualized; and the wireless communication module is used for sending the relevant test data to the remote terminal, so that the wireless transmission of the relevant test data is realized.
One innovation point of the scheme is that in the process of testing the lithium battery, when the third abnormal alarm device gives an abnormal alarm, the capacity of the lithium battery is actually detected through the lithium battery capacity detection module and the capacity comparison module, once the real-time capacity value of the lithium battery is found to be not matched with the lithium battery capacity threshold value in the corresponding discharge time period, the fourth abnormal alarm module gives an abnormal alarm to directly prompt maintenance personnel that the lithium battery capacity is failed, the maintenance personnel can make a judgment in time and do not need to check whether the discharge module is failed or the lithium battery capacity is failed; a large amount of emergency time is saved, and unnecessary time and cost waste or safety accidents are avoided.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic diagram of a connection of a memory module according to an embodiment of the invention.
Fig. 3 is a schematic diagram of the connection between the current sampling module and the current comparing module according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating a connection between a temperature detection module and a temperature comparison module according to an embodiment of the invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to fig. 1 to 4, but the scope of the present invention is not limited to the following.
Example (b):
as shown in fig. 1 to 4, in order to solve the problem that the discharging condition of the discharging module in the prior art is unclear, when the discharging module discharges with a constant current, a fault or an abnormality occurs, which may directly cause an inaccurate test result of the lithium battery, and affect subsequent normal use and maintenance work of the lithium battery; and the parameters of the discharging module in fault or abnormity cannot be known, and the staff still needs to perform detailed investigation under the condition of knowing the fault or abnormity, which wastes a large amount of unnecessary time. Therefore, a remote control system for sharing a lithium battery is provided, which comprises a charging module, a discharging module, a circuit breaking module and a control module; the device also comprises a storage module, a current sampling module, a current comparison module, a first abnormity alarm module, a data display module, a wireless communication module, a temperature detection module, a temperature comparison module, a second abnormity alarm module, a heat dissipation module, an electric leakage monitoring module and a short circuit monitoring module;
the charging module is connected with the control module and is used for charging the lithium battery;
the discharging module is connected with the control module and is used for carrying out constant current discharging on the lithium battery according to a preset current value;
the circuit breaking module is connected with the control module and used for enabling the lithium battery to be powered off;
the storage module is respectively connected with the control module, the current comparison module and the temperature comparison module; the storage module is used for storing a preset current value discharged by the discharge module and a temperature threshold value of the lithium battery; the storage module respectively sends a preset current value and a preset temperature threshold value to the current comparison module and the temperature comparison module under the control of the control module;
the current sampling module is connected with the current comparison module, and the current sampling module collects a real-time current value of the discharge module during constant current discharge and sends the real-time current value to the current comparison module;
the current comparison module is connected with the control module, the control module controls the current comparison module to act, and the current comparison module sends a current comparison result to the control module;
the first abnormity alarm module is connected with the current comparison module, and when the real-time current value is not matched with the preset current value, the first abnormity alarm module gives out abnormity alarm;
when the lithium battery is tested, the real-time current value of constant current discharge of the discharge module is monitored in real time through the current sampling module and the current comparison module, so that the accuracy of the test result of the lithium battery is ensured; and when the current value is not matched with the preset current value in the first occurrence, the first abnormal alarm module can send out abnormal current alarm to remind maintenance personnel in time, so that great loss is avoided.
The data display module is connected with the control module;
the wireless communication module is connected with the control module, and the control module is connected with a remote terminal through the wireless communication module.
When the lithium battery is tested, the current comparison result, the temperature comparison result, the real-time current value and the real-time temperature value are displayed through the data display module, so that a tester can know the specific condition of the lithium battery in time, and relevant test data are visualized; the related test data are sent to the remote terminal through the wireless communication module, and wireless transmission and remote acquisition of the related test data are achieved.
In order to solve prior art, the lithium cell generates heat easily when the charge-discharge test, but the radiating effect of the heat radiation structure of lithium cell itself is limited, and the condition that the heat is big enough to harm the internal material of lithium cell can appear, and then causes the lithium cell life-span to shorten, electric capacity to reduce etc.. Therefore, on the basis of the scheme, the temperature detection module is connected with the temperature comparison module;
the temperature detection module is connected with the temperature comparison module, detects the real-time temperature value of the lithium battery and sends the real-time temperature value to the temperature comparison module;
the temperature comparison module is connected with the control module, the control module controls the temperature comparison module to act, and the temperature comparison module sends a temperature comparison result to the control module;
the second abnormity alarm module is connected with the temperature comparison module, and when the real-time temperature value exceeds a temperature threshold value, the second abnormity alarm module gives an abnormity alarm;
the heat dissipation module is connected with the control module, and when the real-time temperature value exceeds a temperature threshold value, the control module controls the heat dissipation module to act to perform emergency heat dissipation on the lithium battery;
when the lithium battery is tested, the real-time temperature value during the lithium battery test is monitored in real time through the temperature detection module and the temperature comparison module, so that the safety of the lithium battery test is ensured; and when the temperature value exceeds the temperature threshold value in the first-time-of-reality process, the second abnormal alarm module can send out abnormal temperature alarm to remind maintenance personnel in time, so that great loss is avoided.
The electric leakage monitoring module is connected with the control module and is used for monitoring whether the lithium battery generates electric leakage or not;
the short circuit monitoring module is connected with the control module and is used for monitoring whether the lithium battery is short-circuited or not;
the voltage sampling module is connected with the voltage comparison module, and the voltage comparison module is respectively connected with the third abnormal alarm module, the storage module and the control module; wherein,
the voltage sampling module is used for sampling the real-time voltage value of the charging module and sending the real-time voltage value to the voltage comparison module when the charging module performs constant-voltage charging on the lithium battery;
the storage module is also used for storing a preset voltage value when the charging module carries out constant voltage charging on the lithium battery;
and the voltage comparison module compares the real-time voltage value with a preset voltage value and sends a voltage comparison result to the control module, when the real-time voltage value is not matched with the preset voltage value, the voltage comparison module drives the third abnormal alarm module to send an abnormal alarm, and the control module controls the circuit breaking module to break the lithium battery.
When the lithium battery is tested, the real-time voltage value of constant-voltage charging of the charging module is monitored in real time through the voltage sampling module and the voltage comparison module, so that the accuracy of the test result of the lithium battery is ensured; and when the voltage value is not matched with the preset voltage value in the first occurrence, the third abnormal alarm module can send out abnormal voltage alarm to remind maintenance personnel in time, so that great loss is avoided.
In the above scheme, when the third abnormal alarm device gives an abnormal alarm, the maintenance personnel cannot know whether the discharge module or the lithium battery capacity itself fails at the first time; maintenance personnel still need to perform careful troubleshooting to determine a specific fault condition, which results in unnecessary time and cost waste.
The system further comprises a lithium battery capacity detection module, a capacity comparison module and a fourth abnormity alarm module, wherein the capacity comparison module is respectively connected with the lithium battery capacity detection module, the fourth abnormity alarm module, the storage module and the control module; wherein,
the lithium battery capacity detection module is used for detecting the capacity of the lithium battery in real time when the real-time current value is not matched with the preset current value, obtaining the real-time capacity value of the lithium battery and sending the real-time capacity value to the capacity comparison module;
the storage module is also used for storing the lithium battery capacity thresholds in different discharge periods;
and the capacity comparison module compares the real-time capacity value of the lithium battery with the capacity threshold value of the lithium battery, sends a capacity comparison result to the control module, and drives the fourth abnormity alarm module to send an abnormity alarm when the real-time capacity value of the lithium battery is not matched with the capacity threshold value of the lithium battery.
In the process of testing the lithium battery, when the third abnormal alarm device gives an abnormal alarm, the capacity of the lithium battery is detected in real time through the lithium battery capacity detection module and the capacity comparison module, and once the real-time capacity value of the lithium battery is found not to be matched with the lithium battery capacity threshold value in the corresponding discharge period, the fourth abnormal alarm module gives an abnormal alarm to directly prompt maintenance personnel that the lithium battery capacity is in fault, the maintenance personnel can make a judgment in time and do not need to find out whether the discharge module is in fault or the lithium battery capacity is in fault; a large amount of emergency time is saved, and unnecessary time and cost waste or safety accidents are avoided.
Further, the temperature detection module adopts a temperature sensor.
Furthermore, the current sampling module is connected with the current comparison module sequentially through a first signal amplifying circuit, a first signal filtering circuit and a first analog-to-digital conversion circuit.
Furthermore, the temperature detection module is connected with the temperature comparison module sequentially through a second signal amplification circuit, a second signal filtering circuit and a second analog-to-digital conversion circuit.
Furthermore, the data display module adopts an LCD.
Further, the wireless communication module adopts a 4G communication circuit, a 5G communication circuit or a Bluetooth communication circuit.
Furthermore, the heat dissipation module adopts a heat dissipation fan and a driving circuit thereof.
Further, the storage module adopts a mobile hard disk.
Furthermore, the first abnormity alarm module, the second abnormity alarm module, the third abnormity alarm module and the fourth abnormity alarm module all adopt sound and light alarm circuits.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
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