CN104597413A - Testing device and method for nominal capacity of power bank - Google Patents
Testing device and method for nominal capacity of power bank Download PDFInfo
- Publication number
- CN104597413A CN104597413A CN201510025371.XA CN201510025371A CN104597413A CN 104597413 A CN104597413 A CN 104597413A CN 201510025371 A CN201510025371 A CN 201510025371A CN 104597413 A CN104597413 A CN 104597413A
- Authority
- CN
- China
- Prior art keywords
- charger baby
- module
- capacity
- voltage
- acquisition module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a testing device for nominal capacity of a power bank. The device comprises a micro-processing module, a communication module, an external power supply module, an A/D acquiring module, an extra discharging circuit and a D/ A conversion module; the micro-processing module is respectively connected with the communication module, the A/ D acquiring module and the D/ A conversion module; the external power supply module is respectively connected with the communication module, the A/ D acquiring module and the extra discharging circuit; the extra discharging circuit is respectively connected with the D/ A conversion module and the A/ D acquiring module. The invention further provides a testing method for the nominal capacity of the power bank. With the adoption of the device and method, the power bank can be used as a normal power supply for supplying power to the outside while performing constant current testing, and therefore, the electricity energy can be saved.
Description
Technical field
The present invention relates to a kind of proving installation and method of charger baby nominal capacity.
Background technology
Current main flow charger baby is on the market all that lithium cell charging is precious, but because charger baby there is no clear and definite codes and standards at present, in addition threshold is lower, technology content is not high, any manufacturer (certainly comprising mountain vallage manufacturer) can enter into this industry, causes charger baby market occurring a lot of empty mark capacity.
And the method that general charger baby volumetric standards detects is using the rated current of charger baby as constant-current discharge volume test, namely under the condition of environment temperature (20 DEG C scholar 5 DEG C), to being full of electric charger baby with rated current constant-current discharge to final voltage, although this detection method can detect the capacity of charger baby more accurately, but be adopt directly to allow charger baby constant-current discharge in testing process, cause the waste of the energy.
Summary of the invention
One of the technical problem to be solved in the present invention, is the proving installation providing a kind of charger baby nominal capacity, enough ensures that charger baby can regard normal power source supplying power for outside again while constant current test, has saved electric energy.
One of the present invention is achieved in that a kind of proving installation of charger baby nominal capacity, comprise micro treatment module, communication module, supplying power for outside module, A/D acquisition module, extra discharge circuit and D/A modular converter, described micro treatment module connects described communication module, A/D acquisition module and D/A modular converter respectively, described supplying power for outside module connects described communication module, A/D acquisition module and extra discharge circuit respectively, and described extra discharge circuit connects described D/A modular converter and A/D acquisition module respectively.
Further, described extra discharge circuit comprises interface USB1, metal-oxide-semiconductor, resistance R1, resistance R2 and operational amplifier OP3, the output terminal of described operational amplifier is connected to the grid of described metal-oxide-semiconductor by resistance R1, the drain electrode of described metal-oxide-semiconductor is connected to the VCC pin of interface USB1, the source electrode of described metal-oxide-semiconductor is in parallel with the negative input end of described operational amplifier OP3 afterwards by resistance R2 ground connection, the positive input terminal of described operational amplifier OP3 connects described D/A modular converter and A/D acquisition module respectively, described A/D acquisition module and supplying power for outside module is connected respectively between the drain electrode of described metal-oxide-semiconductor and the VCC pin of described interface USB1.
Further, described supplying power for outside module comprises interface USB3, resistance R3 and interface USB4, the VCC pin of described interface USB3 is connected described A/D acquisition module and communication module respectively with after the VCC pins in parallel of described interface USB4, and the VCC pin of described interface USB3 is connected described extra discharge circuit and A/D acquisition module with after the VCC pins in parallel of described interface USB4 respectively by resistance R3.
The technical problem to be solved in the present invention two, is the method for testing providing a kind of charger baby nominal capacity, enough ensures that charger baby can regard normal power source supplying power for outside again while constant current test, has saved electric energy.
One of the present invention is achieved in that a kind of method of testing of charger baby nominal capacity, need provide the proving installation of charger baby nominal capacity, and comprise the steps:
Step 10, mobile terminal is connected to communication module, charger baby is connected to extra discharge circuit, and will be connected to supplying power for outside module by charging terminal, and when charger baby starts to discharge, mobile terminal starts timing;
Step 20, microprocessor controls A/D acquisition module gather discharge current and the voltage of supplying power for outside module, according to the discharge current gathered, microcontroller controls the discharge current of extra discharge circuit by D/A modular converter, makes the discharge current I of charger baby constant;
The discharge current I of collection and voltage are sent to mobile terminal by communication module by step 30, microcontroller;
Step 40, mobile terminal receive discharge current I and voltage, and calculate the capacity of charger baby.
Further, described step 40 is specially further:
Step 41, mobile terminal receive discharge current I and voltage, select the capacity calculating charger baby fast then to enter step 42, otherwise enter step 43;
Step 42, when in limiting time, when voltage difference is less than stop voltage, record this time point T1, now voltage drop V
t, wherein charger baby total voltage is V, then calculate the capacity C 1=((V-2V of charger baby fast
t) * T1/V
t+ T1+T1) * I, and be uploaded to cloud platform;
Step 43, by the time charger baby constant-current discharge are complete, and the time used is T, then calculate the capacity C 2=T*I of charger baby, and is uploaded to cloud platform.
Further, described method of testing also comprises:
Step 50, to compare calculating charger baby capacity with the nominal capacity of charger baby, draw the capacity conversion ratio of charger baby, mobile terminal interconnection network, uploads data on capacity conversion ratio and cloud platform and compares, and in the comparison information of mobile terminal display with other charger baby.
Tool of the present invention has the following advantages: a kind of proving installation of charger baby nominal capacity and method, enough ensure that charger baby can regard normal power source supplying power for outside again while constant current test, save electric energy, reduced the cost of enterprise, and provide the capacity that two kinds of methods carry out measuring charger baby.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the theory diagram of apparatus of the present invention.
Fig. 2 is the circuit diagram of apparatus of the present invention.
Fig. 3 is the inventive method connection diagram.
Embodiment
As depicted in figs. 1 and 2, the proving installation of charger baby nominal capacity of the present invention, comprise micro treatment module, communication module, supplying power for outside module, A/D acquisition module, extra discharge circuit and D/A modular converter, described micro treatment module connects described communication module, A/D acquisition module and D/A modular converter respectively, described supplying power for outside module connects described communication module, A/D acquisition module and extra discharge circuit respectively, and described extra discharge circuit connects described D/A modular converter and A/D acquisition module respectively.
As shown in Figure 2, extra discharge circuit in apparatus of the present invention comprises interface USB1, metal-oxide-semiconductor, resistance R1, resistance R2 and operational amplifier OP3, the output terminal of described operational amplifier is connected to the grid of described metal-oxide-semiconductor by resistance R1, the drain electrode of described metal-oxide-semiconductor is connected to the VCC pin of interface USB1, the source electrode of described metal-oxide-semiconductor is in parallel with the negative input end of described operational amplifier OP3 afterwards by resistance R2 ground connection, the positive input terminal of described operational amplifier OP3 connects described D/A modular converter and A/D acquisition module respectively, described A/D acquisition module and supplying power for outside module is connected respectively between the drain electrode of described metal-oxide-semiconductor and the VCC pin of described interface USB1.
As shown in Figure 2, in apparatus of the present invention, supplying power for outside module comprises interface USB3, resistance R3 and interface USB4, the VCC pin of described interface USB3 is connected described A/D acquisition module and communication module respectively with after the VCC pins in parallel of described interface USB4, the VCC pin of described interface USB3 is connected described extra discharge circuit and A/D acquisition module with after the VCC pins in parallel of described interface USB4 respectively by resistance R3, wherein, be connected to the pin 28 of described A/D acquisition module chips ADC0809 by resistance R11 after the VCC pin of described interface USB3 and the VCC pins in parallel of described interface USB4, the VCC pin of described interface USB3 is connected with the pin 27 of described A/D acquisition module chips ADC0809 by resistance R3 and resistance R10 with after the VCC pins in parallel of described interface USB4.
Micro treatment module: control A/D acquisition module gathers the data of supplying power for outside module, obtains supplying power for outside electric current; Controlled the discharge current of extra discharge circuit according to the supplying power for outside electric current obtained by D/A modular converter, ensure that charger baby carries out constant-current discharge under the test condition of rated current; Control communication module and the sparking voltage of charger baby and current data are sent to mobile phone;
Communication module: adopt PL2302 chip to carry out usb communication, is responsible for sending data to mobile phone, can charges when being connected to mobile phone to mobile phone.
Supplying power for outside module: can connect multiple equipment, powers to the equipment connected; By adding sampling resistor R3 and gathering the pressure reduction at two ends, total supply current can be obtained.
Then the data collected are sent to micro treatment module by A/D acquisition module: be responsible for voltage POWER_AD0 and POWER_AD1 gathering sampling resistor two ends in supplying power for outside module, and the controlled discharge voltage EXTRA_AD2 in extra discharge circuit.
Extra discharge circuit: according to the characteristic of amplifier, by the magnitude of voltage of micro treatment module controlled discharge voltage EXTRA_AD2, just can the sparking voltage of controlled discharge resistance R2, thus change the discharge current of extra discharge circuit.Wherein the resistance of discharge resistance R2 can design according to side circuit.
D/A modular converter: be responsible for the control voltage input output of micro treatment module being converted into extra discharge circuit, amplifier OP1 coordinates DAC0832 to export negative voltage.Amplifier OP2 makees phase inverter, makes output be positive voltage.Amplifier OP3 compares device, controls metal-oxide-semiconductor IRF540(and metal-oxide-semiconductor Q1, conducting as shown in fig. 1), thus controls the discharge current of extra discharge circuit.
As shown in Figure 2, USB1 is the USB interface being connected to charger baby, and USB2 is the USB interface being connected to terminal, USB3 and USB4 is the USB interface of carrying out supplying power for outside.
As shown in Figure 1 to Figure 3, the method for testing of charger baby nominal capacity of the present invention, need provide the proving installation of charger baby nominal capacity, and comprise the steps:
Step 10, mobile terminal is connected to communication module, charger baby is connected to extra discharge circuit, and will be connected to supplying power for outside module by charging terminal, and when charger baby starts to discharge, mobile terminal starts timing;
Step 20, microprocessor controls A/D acquisition module gather discharge current and the voltage of supplying power for outside module, according to the discharge current gathered, microcontroller controls the discharge current of extra discharge circuit by D/A modular converter, makes the discharge current I of charger baby constant;
The discharge current I of collection and voltage are sent to mobile terminal by communication module by step 30, microcontroller;
Step 40, mobile terminal receive discharge current I and voltage, and calculate the capacity of charger baby.
Step 40 comprises the steps:
Step 41, mobile terminal receive discharge current I and voltage, select the capacity calculating charger baby fast then to enter step 42, otherwise enter step 43;
Step 42, when in limiting time, when voltage difference is less than stop voltage, record this time point T1, now voltage drop V
t, wherein charger baby total voltage is V, then calculate the capacity C 1=((V-2V of charger baby fast
t) * T1/V
t+ T1+T1) * I, and be uploaded to cloud platform;
Step 43, by the time charger baby constant-current discharge are complete, and the time used is T, then calculate the capacity C 2=T*I of charger baby, and is uploaded to cloud platform.
Step 50, to compare calculating charger baby capacity with the nominal capacity of charger baby, draw the capacity conversion ratio of charger baby, mobile terminal interconnection network, uploads data on capacity conversion ratio and cloud platform and compares, and in the comparison information of mobile terminal display with other charger baby.
According to the nominal capacity of user's input, the actual capacity that two stages detect is converted to the capacity conversion ratio of this charger baby, the capacity conversion ratio according to charger baby carries out a series of assessment display to detected charger baby.The assessment of same nominal capacity: show the situations such as the rank under this nominal capacity of this charger baby (all brands); Assessment in this brand: show the situations such as the rank of this charger baby in this brand; The assessment of brand: according to the testing result of all brands, shows the situations such as this brand ranking.
Wherein, cloud platform is: preserve the information that mobile terminal APP uploads at every turn; According to the capacity conversion ratio data of charger baby, calculate the ranking of this charger baby under same nominal capacity, the ranking in this brand, the ranking of this brand in all brands.
Tool of the present invention has the following advantages: a kind of proving installation of charger baby nominal capacity and method, enough ensure that charger baby can regard normal power source supplying power for outside again while constant current test, save electric energy, reduced the cost of enterprise, and provide the capacity that two kinds of methods carry out measuring charger baby.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (6)
1. the proving installation of a charger baby nominal capacity, it is characterized in that: comprise micro treatment module, communication module, supplying power for outside module, A/D acquisition module, extra discharge circuit and D/A modular converter, described micro treatment module connects described communication module, A/D acquisition module and D/A modular converter respectively, described supplying power for outside module connects described communication module, A/D acquisition module and extra discharge circuit respectively, and described extra discharge circuit connects described D/A modular converter and A/D acquisition module respectively.
2. the proving installation of a kind of charger baby nominal capacity according to claim 1, it is characterized in that: described extra discharge circuit comprises interface USB1, metal-oxide-semiconductor, resistance R1, resistance R2 and operational amplifier OP3, the output terminal of described operational amplifier is connected to the grid of described metal-oxide-semiconductor by resistance R1, the drain electrode of described metal-oxide-semiconductor is connected to the VCC pin of interface USB1, the source electrode of described metal-oxide-semiconductor is in parallel with the negative input end of described operational amplifier OP3 afterwards by resistance R2 ground connection, the positive input terminal of described operational amplifier OP3 connects described D/A modular converter and A/D acquisition module respectively, described A/D acquisition module and supplying power for outside module is connected respectively between the drain electrode of described metal-oxide-semiconductor and the VCC pin of described interface USB1.
3. the proving installation of a kind of charger baby nominal capacity according to claim 1, it is characterized in that: described supplying power for outside module comprises interface USB3, resistance R3 and interface USB4, the VCC pin of described interface USB3 is connected described A/D acquisition module and communication module respectively with after the VCC pins in parallel of described interface USB4, and the VCC pin of described interface USB3 is connected described extra discharge circuit and A/D acquisition module with after the VCC pins in parallel of described interface USB4 respectively by resistance R3.
4. a method of testing for charger baby nominal capacity, is characterized in that: need provide the proving installation as described in any one of claims 1 to 3, and comprise the steps:
Step 10, mobile terminal is connected to communication module, charger baby is connected to extra discharge circuit, and will be connected to supplying power for outside module by charging terminal, and when charger baby starts to discharge, mobile terminal starts timing;
Step 20, microprocessor controls A/D acquisition module gather discharge current and the voltage of supplying power for outside module, according to the discharge current gathered, microcontroller controls the discharge current of extra discharge circuit by D/A modular converter, makes the discharge current I of charger baby constant;
The discharge current I of collection and voltage are sent to mobile terminal by communication module by step 30, microcontroller;
Step 40, mobile terminal receive discharge current I and voltage, and calculate the capacity of charger baby.
5. the method for testing of a kind of charger baby nominal capacity according to claim 4, is characterized in that: described step 40 is specially further:
Step 41, mobile terminal receive discharge current I and voltage, select the capacity calculating charger baby fast then to enter step 42, otherwise enter step 43;
Step 42, when in limiting time, when voltage difference is less than stop voltage, record this time point T1, now voltage drop V
t, wherein charger baby total voltage is V, then calculate the capacity C 1=((V-2V of charger baby fast
t) * T1/V
t+ T1+T1) * I, and be uploaded to cloud platform;
Step 43, by the time charger baby constant-current discharge are complete, and the time used is T, then calculate the capacity C 2=T*I of charger baby, and is uploaded to cloud platform.
6. the method for testing of a kind of charger baby nominal capacity according to claim 4, is characterized in that: described method of testing also comprises:
Step 50, to compare calculating charger baby capacity with the nominal capacity of charger baby, draw the capacity conversion ratio of charger baby, mobile terminal interconnection network, uploads data on capacity conversion ratio and cloud platform and compares, and in the comparison information of mobile terminal display with other charger baby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025371.XA CN104597413A (en) | 2015-01-19 | 2015-01-19 | Testing device and method for nominal capacity of power bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025371.XA CN104597413A (en) | 2015-01-19 | 2015-01-19 | Testing device and method for nominal capacity of power bank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104597413A true CN104597413A (en) | 2015-05-06 |
Family
ID=53123321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510025371.XA Pending CN104597413A (en) | 2015-01-19 | 2015-01-19 | Testing device and method for nominal capacity of power bank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104597413A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041580Y (en) * | 2007-05-30 | 2008-03-26 | 广州蓝奇电子实业有限公司 | A high-precision battery detection device |
| CN102023283A (en) * | 2009-09-16 | 2011-04-20 | 徐先 | On-line measuring method for capacity of accumulator |
| CN102854474A (en) * | 2012-09-25 | 2013-01-02 | 深圳市泰昂能源科技股份有限公司 | Online detection method for actual capacity of storage batteries |
| CN102904304A (en) * | 2012-10-16 | 2013-01-30 | 江苏玖宇实业有限公司 | Capacity detection system of storage battery |
| CN103257322A (en) * | 2013-05-23 | 2013-08-21 | 无锡商业职业技术学院 | Battery electric quantity real-time remote detection device for electric vehicle |
| CN104237797A (en) * | 2014-08-13 | 2014-12-24 | 中国测试技术研究院电子研究所 | Detection system and detection method of battery capacity of super capacitor |
-
2015
- 2015-01-19 CN CN201510025371.XA patent/CN104597413A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201041580Y (en) * | 2007-05-30 | 2008-03-26 | 广州蓝奇电子实业有限公司 | A high-precision battery detection device |
| CN102023283A (en) * | 2009-09-16 | 2011-04-20 | 徐先 | On-line measuring method for capacity of accumulator |
| CN102854474A (en) * | 2012-09-25 | 2013-01-02 | 深圳市泰昂能源科技股份有限公司 | Online detection method for actual capacity of storage batteries |
| CN102904304A (en) * | 2012-10-16 | 2013-01-30 | 江苏玖宇实业有限公司 | Capacity detection system of storage battery |
| CN103257322A (en) * | 2013-05-23 | 2013-08-21 | 无锡商业职业技术学院 | Battery electric quantity real-time remote detection device for electric vehicle |
| CN104237797A (en) * | 2014-08-13 | 2014-12-24 | 中国测试技术研究院电子研究所 | Detection system and detection method of battery capacity of super capacitor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106646256B (en) | Battery capacity calculating method | |
| CN102005795B (en) | Electric quantity detecting device for rechargeable battery | |
| CN202548240U (en) | Automated test platform for photovoltaic grid-connected micro-inverter | |
| CN102944849A (en) | Rapid battery capacity detecting method for lithium ion batteries | |
| US9018896B2 (en) | Method and system for determining whether a portable device is charging | |
| CN103545882A (en) | Battery in-situ test method and device and battery charge system | |
| CN104535851B (en) | The quick determination method and system that a kind of Mobile terminal charger is extracted | |
| CN104330638A (en) | Identifying method and system for original charging cable | |
| CN202196398U (en) | Power supply managing circuit of charging/ communication multiplex interface and digital electronic product | |
| CN105510833A (en) | Storage battery health status detection method, device and system | |
| CN204302347U (en) | Microcomputer-recognized intelligent universal meter | |
| CN103078363A (en) | Battery cell identification circuit and identification method thereof | |
| CN202798035U (en) | Charging mode detection circuit and mobile terminal | |
| CN103454509B (en) | Mobile phone charging detection system and method | |
| CN202025832U (en) | Charging battery and charging system | |
| CN206331096U (en) | A kind of constant voltage constant current charging aging testing system | |
| CN103633705A (en) | Terminal and method of precisely acquiring battery voltage by discharging during charging | |
| CN102253346A (en) | Method and device for automatically testing battery charging | |
| CN204258343U (en) | A kind of lithium battery group monitor and repairing device with multi-string battery | |
| CN209709702U (en) | A kind of charging control circuit, electronic equipment | |
| CN204389654U (en) | Based on the battery electric quantity detection system that cell resistance is followed the tracks of | |
| CN104597413A (en) | Testing device and method for nominal capacity of power bank | |
| CN205921407U (en) | Electronic equipment | |
| CN102135583A (en) | Automatic detecting device for detecting short circuit unusualness of internal circuit and shell of optical module | |
| CN102175906A (en) | Voltage detection method and charging device using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150506 |
|
| WD01 | Invention patent application deemed withdrawn after publication |