CN219777886U - Continuous working time length detection device for battery - Google Patents
Continuous working time length detection device for battery Download PDFInfo
- Publication number
- CN219777886U CN219777886U CN202320764820.2U CN202320764820U CN219777886U CN 219777886 U CN219777886 U CN 219777886U CN 202320764820 U CN202320764820 U CN 202320764820U CN 219777886 U CN219777886 U CN 219777886U
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- current sensor
- battery
- hall current
- singlechip
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000005355 Hall effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model discloses a device for detecting continuous working time of a battery, which comprises a detection system for detecting a product to be detected, wherein the product to be detected is formed by connecting a battery pack and an electric appliance load, the detection system comprises a Hall current sensor and a singlechip with an ADC (analog to digital converter) arranged in a power supply circuit in series, one input end of the Hall current sensor is connected with the anode of the battery pack, the other input end of the Hall current sensor is divided into two paths, one path of the Hall current sensor is connected with the anode of the load, the other path of the Hall current sensor is sequentially connected with a voltage dividing resistor R1 and a voltage dividing resistor R2, the output end of the Hall current sensor is connected with one input end of the singlechip, and the voltage dividing resistor R1 and the voltage dividing resistor R2 are connected with the other input end of the singlechip. According to the utility model, not only is the detection test of the continuous working time of the built-in battery of the product unnecessary to be manually attended, but also the charge and discharge performance of the built-in battery of the product to be detected can be detected, and the utility model provides references for saving energy and reducing consumption of the product and prolonging the working time according to the monitoring of the running power consumption of the product.
Description
Technical Field
The utility model relates to the technical field of battery capacity or charge-discharge performance detection, in particular to a device for detecting continuous working time length of a battery.
Background
The method for testing the continuous working time of the built-in battery of the existing product is to manually count time, manually observe and judge the time of shutdown of the product. The method has the problems that labor is required, and the statistics data are inaccurate due to misjudgment of shutdown time of the product in manual duty.
The battery capacity tester calculates the battery capacity by discharging with a fixed current, but the battery power supply is not constant voltage output, and when the power supply voltage changes, the actual working current of the electric appliance also changes synchronously, so the nominal capacity of the battery cannot represent the actual capacity of the battery.
Disclosure of Invention
In order to solve the technical defects, the utility model aims to provide a device for detecting the continuous working time of a battery, which can accurately detect the actual capacity of the battery in real time under the condition that the power supply voltage output of the battery changes, so as to obtain the continuous working time of the battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the detection system comprises a Hall current sensor and a singlechip, wherein the Hall current sensor is connected in series inside a power supply circuit, one input end of the Hall current sensor is connected with the anode of the battery, the other input end of the Hall current sensor is divided into two paths, one path is connected with the anode of the load, the other path is sequentially connected with a divider resistor R1 and a divider resistor R2, the output end of the Hall current sensor is connected with one input end of the singlechip, and the divider resistor R1 and the divider resistor R2 are connected with the other input end of the singlechip; the output end of the singlechip is connected with the Bluetooth serial port transparent transmission module, current and voltage data are respectively output to the mobile phone Bluetooth and the computer through the Bluetooth serial port transparent transmission module, the shutdown time of the load of the electrical appliance is recorded and judged according to the current and voltage data, and the detection of the continuous working time of the battery is completed.
Further, the hall current sensor is an ACS712.
The singlechip carries out information transmission through asynchronous serial communication ports RXD and TXD and a Bluetooth serial port transparent transmission module.
When the product to be detected is not electrified, the Hall current sensor outputs a reference voltage, after the product to be detected is electrified, current passes through the Hall current sensor, according to the Hall effect, the Hall current sensor can superimpose voltage in linear proportional relation with the input current on the basis of the reference voltage, the value of the voltage measured by the singlechip subtracts the reference voltage, and the excess part is divided by the sensitivity coefficient to obtain the current intensity of the input end, namely the working current of the product to be detected;
the voltage of the positive electrode of the electric appliance load is measured by a singlechip after passing through voltage dividing resistors R1 and R2, and the output voltage of the built-in battery of the product to be detected can be obtained according to the voltage dividing ratio;
the asynchronous serial communication ports RXD and TXD of the singlechip are connected with the Bluetooth serial port transparent transmission module, so that current and voltage data output by the battery can be sent to the Bluetooth of the mobile phone.
The utility model uses the hall current sensor ACS712 and the singlechip with the built-in ADC to realize the measurement of the current and voltage data output by the battery, then the data is transmitted to the mobile phone Bluetooth through the Bluetooth serial port transparent transmission module or is transmitted to the computer through the Bluetooth serial port transparent transmission module, the shutdown time of the product is judged according to the voltage and current data, and the detection of the continuous working time of the battery power supply of the product under the unattended condition is realized.
According to the technical scheme, the detection test of the continuous working time of the built-in battery of the product is free from manual duty, the built-in battery of the product to be detected can be subjected to charge and discharge performance detection, and the reference is provided for energy conservation and consumption reduction of the product and the increase of the working time according to the monitoring of the running power consumption of the product.
Drawings
The technical features of the present utility model will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic circuit diagram of the present utility model.
In the attached figure 1, 1 is an electric appliance load, 2 is a battery pack, 3 is a Hall current sensor, 4 is a singlechip with an ADC (analog to digital converter), 5 is a Bluetooth serial port transparent transmission module, 6 is a mobile phone Bluetooth, and 7 is a computer.
Description of the embodiments
Referring to fig. 1, in one embodiment of the present utility model, a device for detecting the continuous operation time length of a battery is disclosed, wherein the real-time monitoring of the operation current of a product to be detected is realized by using a hall current sensor 3 and a peripheral circuit; the voltage output by the built-in battery pack 2 of the product to be detected is monitored in real time by using the singlechip 4 with the built-in ADC, the singlechip 4 transmits measurement data to an upper computer (or a mobile phone) through the Bluetooth serial port transparent transmission module 5, and computer software (or manpower) judges the shutdown time of the product according to the voltage and current data, so that the detection of the continuous working time of the battery power supply of the product under the unattended condition is realized.
In specific implementation, the current measuring end of the ACS712 is connected in series to the main power supply circuit of the electrical appliance to be tested, as shown in the figure, pins 1 and 2 of the ACS712 are connected with the positive electrode of the battery, pins 3 and 4 of the ACS712 are connected with the positive electrode of the load, and other parts of the product to be tested are kept as they are. When the product to be detected is not electrified, the pin 7 of the ACS712 outputs 2.5V voltage, when the product is electrified, current passes through the Hall current sensor, according to the Hall effect, the pin 7 of the ACS712 superimposes voltage in linear proportional relation with input current on the basis of 2.5V reference voltage, the voltage is measured by a singlechip with an ADC (analog to digital converter), the reference voltage is subtracted by 2.5V, and the excess part is divided by the sensitivity coefficient to obtain the current intensity of the input end, namely the working current of the product to be detected;
the voltage of the positive electrode of the electric load 1 is measured by a singlechip 4 with an ADC (analog to digital converter) after passing through voltage dividing resistors R1 and R2, and the output voltage of a built-in battery of a product to be detected can be obtained according to the voltage dividing ratio;
the asynchronous serial communication ports RX and TX of the singlechip are connected with the Bluetooth serial transparent transmission module 5, so that current and voltage data output by the battery can be sent to the Bluetooth of the mobile phone.
The Bluetooth of the mobile phone or the computer judges the shutdown time of the product according to the received voltage and current data, and the obtained shutdown time is compared with the startup time to obtain the working time, so that the detection of the continuous working time of the battery power supply of the product under the unattended condition is realized.
Claims (3)
1. The utility model provides a battery continuous operation duration detection device, includes a detecting system who is used for detecting the product of waiting to examine, wait to examine the product and adopt a group battery and with electric appliance load connection to form, its characterized in that: the detection system comprises a Hall current sensor and a singlechip, wherein the Hall current sensor and the singlechip are connected in series in a power supply circuit, one input end of the Hall current sensor is connected with the anode of the battery pack, the other input end of the Hall current sensor is divided into two paths, one path of the Hall current sensor is connected with the anode of the load, the other path of the Hall current sensor is sequentially connected with a voltage dividing resistor R1 and a voltage dividing resistor R2, the output end of the Hall current sensor is connected with one input end of the singlechip, and the voltage dividing resistor R1 and the voltage dividing resistor R2 are connected with the other input end of the singlechip; the output end of the singlechip is connected with the Bluetooth serial port transparent transmission module, current and voltage data are respectively output to the mobile phone Bluetooth and the computer through the Bluetooth serial port transparent transmission module, the shutdown time of the load of the electrical appliance is recorded and judged according to the current and voltage data, and the detection of the continuous working time of the battery is completed.
2. The battery continuous operation time length detection device according to claim 1, wherein: the hall current sensor is an ACS712 model.
3. The battery continuous operation time length detection device according to claim 1, wherein: the singlechip carries out information transmission through asynchronous serial communication ports RXD and TXD and a Bluetooth serial port transparent transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320764820.2U CN219777886U (en) | 2023-04-10 | 2023-04-10 | Continuous working time length detection device for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320764820.2U CN219777886U (en) | 2023-04-10 | 2023-04-10 | Continuous working time length detection device for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219777886U true CN219777886U (en) | 2023-09-29 |
Family
ID=88132913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320764820.2U Active CN219777886U (en) | 2023-04-10 | 2023-04-10 | Continuous working time length detection device for battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219777886U (en) |
-
2023
- 2023-04-10 CN CN202320764820.2U patent/CN219777886U/en active Active
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