CN215180735U - Charging and discharging detection system for lithium battery of electric bicycle - Google Patents
Charging and discharging detection system for lithium battery of electric bicycle Download PDFInfo
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- CN215180735U CN215180735U CN202023295845.8U CN202023295845U CN215180735U CN 215180735 U CN215180735 U CN 215180735U CN 202023295845 U CN202023295845 U CN 202023295845U CN 215180735 U CN215180735 U CN 215180735U
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Abstract
The utility model discloses a charging and discharging detection system for electric bicycle lithium cell relates to lithium cell charging and discharging technical field, including power module, charger, charging parameter detection module, electronic load, PC software control module and storage module, parallel connection between charging parameter detection module and charger, the lithium cell, the output of lithium cell and the output electric connection of electronic load, the output of electronic load and PC software control module's output electric connection. The utility model discloses a parameter when charging parameter detection module carries out real-time detection and takes notes the lithium cell and charges when charging to the lithium cell, can in time preserve the data parameter and record in the storage module and preserve when setting for discharge current and the discharge cutoff voltage to discharging of lithium cell through electronic load, PC software control module, not only easy and simple to handle, and reduced the detection cost, the detection personnel of being convenient for simultaneously carry out the comparison to data statistics.
Description
Technical Field
The utility model relates to a lithium cell detects technical field, concretely relates to charging and discharging detection system for electric bicycle lithium cell.
Background
With the development of lithium batteries, more and more lithium batteries are applied to electric bicycles, and according to social investigation, the quantity of electric bicycles currently kept in the society is close to 3 hundred million, but the electric bicycles are convenient for daily travel, meanwhile, thinking about the energy utilization rate of the electric bicycles is also brought about, and the energy-saving problem is particularly prominent in the face of huge using groups. The existing lithium battery detection system is complex in structure and not beneficial to operation, meanwhile, effective recording and storage can not be carried out on detection data, and data statistics can not be carried out by inconvenient detection personnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a charging and discharging detecting system for electric bicycle lithium cell to solve the current lithium cell detecting system who proposes in the above-mentioned background art, the structure is complicated to be unfavorable for the operation, can not carry out effectual record to the measured data simultaneously and preserve, and inconvenient measurement personnel carry out the statistics of data problem
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a charging and discharging detection system for electric bicycle lithium cell, includes power module, charger, charging parameter detection module, electronic load, PC software control module and storage module, power module's output and the input electric connection of charger, the output of charger and the input electric connection of lithium cell, parallel connection between charging parameter detection module and charger, the lithium cell, the output of lithium cell and the output electric connection of electronic load, the output of electronic load and PC software control module's output electric connection, PC software control module's output and storage module's input electric connection.
Preferably, the charger charges the lithium battery, and the charging parameter detection module is used for detecting the lithium battery in real time and recording parameters of the lithium battery during charging.
Preferably, the electronic load discharges the lithium battery, the electronic load is used for setting the cut-off voltage and the discharge current of the lithium battery, and the PC software control module is used for detecting the lithium battery in real time and recording the parameters of the lithium battery during charging.
Preferably, the PC software control module monitors the battery discharge state data and transmits the data to the storage module for data storage.
Compared with the prior art, the utility model provides a charge and discharge detecting system for electric bicycle lithium cell possesses following beneficial effect:
the utility model discloses a parameter when charging parameter detection module carries out real-time detection and record lithium cell when charging to the lithium cell, through electronic load, PC software control module can in time preserve the data parameter and record in the storage module and preserve when setting for discharge current and the discharge cutoff voltage of discharging to the discharging of lithium cell, derive the data parameter of preserving again, not only easy and simple to handle, and reduced the detection cost, the detection personnel of being convenient for simultaneously carry out the comparison to data statistics.
Drawings
Fig. 1 is a block diagram of a charging and discharging detection system for a lithium battery of an electric bicycle according to the present invention;
fig. 2 is a flowchart illustrating the operation of the charging and discharging detection system for the lithium battery of the electric bicycle according to the present invention;
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 and 2, a charging and discharging detection system for an electric bicycle lithium battery comprises a power module, a charger, a charging parameter detection module, an electronic load, a PC software control module and a storage module, wherein the output end of the power module is electrically connected with the input end of the charger, the output end of the charger is electrically connected with the input end of the lithium battery, the charging parameter detection module is connected with the charger and the lithium battery in parallel, the output end of the lithium battery is electrically connected with the output end of the electronic load, the output end of the electronic load is electrically connected with the output end of the PC software control module, and the output end of the PC software control module is electrically connected with the input end of the storage module.
The charger charges the lithium battery, the charging parameter detection module is used for detecting the lithium battery in real time and recording parameters of the lithium battery during charging, and the charging parameter detection module is used for detecting and recording parameters of current, power, electric energy consumption and the like in the charging process of the battery in real time.
The electronic load discharges the lithium battery, the electronic load is used for setting the cut-off voltage and the discharge current of the lithium battery, and the PC software control module is used for detecting the lithium battery in real time and recording the parameters of the lithium battery during charging.
The PC software control module monitors the discharge state data of the battery, transmits the data to the storage module for data storage, compares the data with the recording parameters of the detection personnel, and compares the statistical parameters to obtain the total discharge energy consumption of the battery.
When the charging and discharging of the lithium battery are detected:
the method comprises the following steps of firstly controlling the detection environment temperature, wherein different environment temperatures can influence the charge and discharge capacity of the lithium battery, the environment temperature needs to be controlled in the charge and discharge process of the lithium battery, the environment temperature is controlled to be 20 +/-5 ℃, the wind speed of the tested surrounding environment is controlled to be within 0.5m/s, the test environment is controlled, and the influence of the test environment on test data is further reduced;
and selecting the lithium battery with the production date within half a year to reduce the influence of battery attenuation on test data, wherein in order to ensure the activity of the lithium battery, the total charging and discharging times are as follows: the method comprises the following steps of carrying out 100% charging for 3 times and 100% discharging for 2 times, setting a discharging current and a discharging cut-off voltage recommended by a manufacturer according to a specification of the lithium battery, carrying out multi-round charging and discharging pretreatment on the battery, effectively maintaining the activity of the lithium battery, and reducing the influence of the activity of the lithium battery on test data;
then in the charging process, if the charger has an indicator light, the charging process is carried out until the indicator light indicates full charge, if the charger does not have the indicator light, the charging process time is calculated according to the capacity of the battery and the output current of the charger, and the charging process needs to be carried out on the whole vehicle;
and finally, in the discharging process, when the lithium battery is charged to a saturated state, the lithium battery is taken out, the discharging current and the discharging cut-off voltage recommended by a manufacturer are set according to the specification of the lithium battery, the lithium battery is discharged, the energy for discharging the battery is stored, in addition, even if the electronic load has voltage compensation, the line loss of a connecting line connected with the electronic load under the discharging current still needs to be recorded, the influence on data is reduced, the energy loss on the discharging connecting line is scientifically calculated, the influence of the line loss on the discharging data is effectively reduced, the data parameters stored in the memory are recorded by adopting the data parameters recorded in the discharging parameter recording, the Excel format can be timely stored through the electronic load, the PC software and the memory, and the statistics and comparison of the data parameters are carried out, so that the total discharging energy consumption of the battery is obtained.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a charging and discharging detection system for electric bicycle lithium cell, includes power module, charger, charging parameter detection module, electronic load, PC software control module and storage module, its characterized in that: the output of power module and the input electric connection of charger, the output of charger and the input electric connection of lithium cell, parallel connection between charging parameter detection module and charger, the lithium cell, the output of lithium cell and the output electric connection of electronic load, the output of electronic load and the output electric connection of PC software control module, the output of PC software control module and the input electric connection of storage module.
2. The system of claim 1, wherein the system comprises: the charger charges the lithium battery, and the charging parameter detection module is used for detecting the lithium battery in real time and recording parameters of the lithium battery during charging.
3. The system of claim 1, wherein the system comprises: the electronic load discharges the lithium battery, the electronic load is used for setting the cut-off voltage and the discharge current of the lithium battery, and the PC software control module is used for detecting the lithium battery in real time and recording the parameters of the lithium battery during charging.
4. The system of claim 1, wherein the system comprises: and the PC software control module monitors the discharge state data of the battery and transmits the data to the storage module for data storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023295845.8U CN215180735U (en) | 2020-12-30 | 2020-12-30 | Charging and discharging detection system for lithium battery of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023295845.8U CN215180735U (en) | 2020-12-30 | 2020-12-30 | Charging and discharging detection system for lithium battery of electric bicycle |
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| Publication Number | Publication Date |
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| CN215180735U true CN215180735U (en) | 2021-12-14 |
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| CN202023295845.8U Active CN215180735U (en) | 2020-12-30 | 2020-12-30 | Charging and discharging detection system for lithium battery of electric bicycle |
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| CN (1) | CN215180735U (en) |
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