CN109324295B - Electric quantity display correction module and method - Google Patents
Electric quantity display correction module and method Download PDFInfo
- Publication number
- CN109324295B CN109324295B CN201811181852.XA CN201811181852A CN109324295B CN 109324295 B CN109324295 B CN 109324295B CN 201811181852 A CN201811181852 A CN 201811181852A CN 109324295 B CN109324295 B CN 109324295B
- Authority
- CN
- China
- Prior art keywords
- electric quantity
- value
- power
- quantity value
- control unit
- 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.)
- Active
Links
- 238000012937 correction Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 238000003860 storage Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The invention relates to an electric quantity display correction module and a method, wherein the electric quantity display correction module comprises the following components: a first detection unit for detecting an output voltage of the battery; and a second detection unit for detecting a load energization time; the battery output voltage value detected by the first detection unit corresponds to a first electric quantity value, and the load power-on time value detected by the second detection unit corresponds to a second electric quantity value; the control unit is used for carrying out preliminary correction on the first electric quantity value according to the second electric quantity value or carrying out preliminary correction on the second electric quantity value according to the first electric quantity value so as to obtain a first residual electric quantity value. The invention can accurately detect the residual electric quantity value and is convenient for popularization and application.
Description
Technical Field
The invention relates to an electric quantity display correction module and method.
Background
In the conventional battery power estimation method, the voltage of the battery is gradually reduced with the increase of the discharge time under the condition of constant current discharge by utilizing the discharge characteristic of the battery. According to this correspondence, the remaining capacity of the battery can be approximately reflected by measuring the voltage. The disadvantage of this approach is that the accuracy is not high and a series of problems are brought about that affect the user experience.
Disclosure of Invention
The invention relates to an electric quantity display correction module and method, which can accurately display the residual electric quantity of a battery, are convenient for the accurate display of the electric quantity, and can effectively solve the technical problems in the background technology.
The invention is realized by the following technical scheme:
An electrical quantity display correction module, comprising: a first detection unit for detecting an output voltage of the battery; and
A second detection unit for detecting a load energization time; the battery output voltage value detected by the first detection unit corresponds to a first electric quantity value, and the load power-on time value detected by the second detection unit corresponds to a second electric quantity value;
Also included is a method of manufacturing a semiconductor device,
And the control unit is used for carrying out preliminary correction on the first electric quantity value according to the second electric quantity value or carrying out preliminary correction on the second electric quantity value according to the first electric quantity value so as to obtain a first residual electric quantity value.
By adopting the technical scheme, the battery output voltage detected by the first detection unit is correspondingly output to the control unit as a first electric quantity value, the second detection unit detects the power-on time of the load and correspondingly outputs the power-on time of the load as a second electric quantity value to the control unit, and the control unit carries out preliminary correction on the first electric quantity value according to the second electric quantity value or carries out preliminary correction on the second electric quantity value according to the first electric quantity value so as to obtain a first residual electric quantity value. The obtained first residual electric quantity value is a preliminarily corrected residual electric quantity value, and compared with the first electric quantity value or the second electric quantity value, the first residual electric quantity value is more accurate, and the residual electric quantity can be displayed more accurately and reliably to a certain extent by considering the fact that the residual electric quantity cannot be accurately reflected due to the fact that the output voltage of the battery is simply referred to or the load power-on time is simply referred to.
As a further improvement of the invention, a third detection unit for detecting the real-time power of the load is also included; and the control unit corrects the load real-time power value again according to the first residual electric quantity value to obtain a second residual electric quantity value. By adopting the technical scheme, the third detection unit detects the real-time load power, can serve as another reference factor and serve as a correction factor of the residual electric quantity, the residual electric quantity can be corrected more accurately, and because the output voltage of the battery is influenced by the size of the load to a great extent and the power-on time of the load is influenced by the size of the power of the load to a certain extent, the real-time load power is introduced into the reference, and the residual electric quantity can be corrected accurately.
As a further development of the invention, the second residual electrical quantity value is displayed by a display unit, which is electrically connected to the control unit. By adopting the technical scheme, the second residual electric quantity value is displayed through the display unit, so that the reference of a user is facilitated.
As a further improvement of the present invention, the power supply device further includes a storage unit for storing the output voltage value and the first electric quantity value index table, and for storing the power-on time value and the second electric quantity value index table, the storage unit being electrically connected with the control unit. By adopting the technical scheme, the storage unit is favorable for storing each index table, and is convenient for more quickly calling out each residual electricity value.
As a further development of the invention, the first detection unit, the second detection unit, the third detection unit and the control unit are integrated on a control board. Each detection unit and each control unit are integrated on a control board or a circuit board, so that the whole detection unit and the control unit can be conveniently replaced and maintained.
As a further improvement of the present invention, the control board is electrically connected to the battery. By adopting the technical scheme, the control panel is electrically connected with the battery, so that each parameter of the battery can be conveniently detected.
As a further improvement of the present invention, the control board is electrically connected to a main circuit board to which a load is connected. Through adopting above-mentioned technical scheme, connect the load on the main circuit board, the control panel sets up with main circuit board separately, the maintenance of the control panel of being convenient for is changed.
As a further improvement of the invention, the load real-time power is the main circuit board real-time power. By adopting the technical scheme, the load real-time power is the main circuit board real-time power, and the load real-time power can be reflected by detecting the main circuit board real-time power, so that the method is more efficient and convenient.
An electric quantity correction method adopting the electric quantity display correction module according to any one of the technical schemes comprises the following steps:
A. The first detection unit detects the output voltage value of the battery and feeds the output voltage value back to the control unit, and the control unit obtains a first electric quantity value according to a prestored index table;
B. The second detection unit detects a load power-on time value and feeds the load power-on time value back to the control unit, and the control unit obtains a second electric quantity value according to a prestored index table;
C. The control unit performs preliminary correction on the first electric quantity value according to the second electric quantity value or performs preliminary correction on the second electric quantity value according to the first electric quantity value to obtain a first residual electric quantity value. By adopting the technical scheme, the first residual electric quantity value is more accurate relative to the first electric quantity value or the second electric quantity value, and the residual electric quantity of the battery can be conveniently reflected in real time.
As a further improvement of the invention, the method further comprises the steps of,
D. the third detection unit detects the load real-time power value and feeds the load real-time power value back to the control unit, and the control unit corrects the load real-time power value again according to the first residual power value and the load real-time power value to obtain a second residual power value. By adopting the technical scheme, compared with the first residual electric quantity value, the second residual electric quantity value is more accurate, and the residual electric quantity of the battery can be reflected more accurately.
The electric quantity display correction module can be applied to an integrated machine, and the integrated machine is used on a mobile information cart for ward round in a hospital. The battery, the main board and the display are integrated. The electric quantity display correction module can enable the electric quantity display of the all-in-one machine to be more accurate.
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a control board of an electric quantity display correction module according to an embodiment of the invention.
Fig. 2 is a schematic diagram of another angle structure of a control board of the power display correction module according to an embodiment of the invention.
Fig. 3 is a graph of discharge versus power on time for one embodiment of the present invention.
Fig. 4 is a schematic diagram of a connection principle between an electric quantity display correction module and a main circuit board and between the electric quantity display correction module and a battery according to an embodiment of the invention.
Fig. 5 is a schematic diagram of an electric quantity display correction flow according to an embodiment of the invention.
In the figure: 1-main chip, 2-potentiometer one, 3-potentiometer two, 4-first sensing interface, 5-mainboard power supply interface, 6-second sensing interface, 7-switch interface, 8-battery power supply interface, 9-charging interface, 10-buzzer, 11-communication interface, 12-capacitor, 13-temperature and humidity sensor, 14-line driver/receiver, 15-switch type buck regulator.
Detailed Description
The following drawings and preferred embodiments are provided to further illustrate the technical means and effects adopted to achieve the preset purpose of the present invention, and the detailed description of the specific embodiments, structures, features and effects according to the present invention is given below.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
An electrical quantity display correction module, comprising:
a first detection unit for detecting an output voltage of the battery; and
A second detection unit for detecting a load energization time;
The battery output voltage value detected by the first detection unit corresponds to a first electric quantity value, and the load power-on time value detected by the second detection unit corresponds to a second electric quantity value;
Also included is a method of manufacturing a semiconductor device,
And the control unit is used for carrying out preliminary correction on the first electric quantity value according to the second electric quantity value or carrying out preliminary correction on the second electric quantity value according to the first electric quantity value to obtain the electric quantity control unit.
The system further comprises a third detection unit for detecting the real-time power of the load; the control unit corrects the load real-time power value again according to the first residual electric quantity value to obtain a second residual electric quantity value.
Specifically, the first detection unit may be a sensor or a detection circuit for detecting a voltage, the second detection unit may be a sensor or a detection circuit for detecting an energization time, and the third detection unit may be a sensor or a detection circuit for detecting a real-time power of a load.
The second residual electric quantity value is displayed through a display unit, and the display unit is electrically connected with the control unit.
The power supply system further comprises a storage unit for storing the output voltage value and the first electric quantity value index table and for storing the power-on time value and the second electric quantity value index table, and the storage unit is electrically connected with the control unit. The first detection unit, the second detection unit, the third detection unit and the control unit are integrated on a control board. The control board is electrically connected with the battery. The control board is electrically connected with a main circuit board provided with a load. The load real-time power is the real-time power of the main circuit board.
The first index table is shown in the following table:
| battery voltage (V) | Percentage of electric quantity |
| 19 | 100% |
| 18 | 90% |
| 17.1 | 80% |
| 16.4 | 70% |
| 15.7 | 60% |
| 15 | 50% |
| 14.3 | 40% |
| 13.6 | 30% |
| 13 | 20% |
| 12.5 | 10% |
| 12 | 5% |
| 11.5 | 0% |
The second index table is shown in the following table:
| Power-on time (H) | Percentage of electric quantity |
| 0 | 100% |
| 1 | 91% |
| 2 | 82% |
| 3 | 73% |
| 4 | 63% |
| 5 | 53% |
| 6 | 42% |
| 7 | 31% |
| 8 | 20% |
| 9 | 7% |
| 9.5 | 2% |
| 10 | 0% |
An electric quantity display correction module adopting any one of the technical schemes comprises the following steps:
A. The first detection unit detects the output voltage value of the battery and feeds the output voltage value back to the control unit, and the control unit obtains a first electric quantity value according to a first index table stored in advance;
B. The second detection unit detects a load power-on time value and feeds the load power-on time value back to the control unit, and the control unit obtains a second electric quantity value according to a second index table stored in advance;
C. The control unit performs preliminary correction on the first electric quantity value according to the second electric quantity value or performs preliminary correction on the second electric quantity value according to the first electric quantity value to obtain a first residual electric quantity value.
The method also comprises the steps of,
D. The third detection unit detects the load real-time power value and feeds the load real-time power value back to the control unit, and the control unit corrects the load real-time power value again according to the first residual power value and the load real-time power value to obtain a second residual power value.
Specifically, as shown in fig. 1, 2, 4 and 5, in the battery for an all-in-one machine, as shown in fig. 3, a 19V battery is used for power supply, if the design time of constant current power supply is 10 hours, a first index table and a second index table may be stored in a storage unit in advance according to an experience value or an experimental value, if the output voltage value of the battery detected by the first detection unit is 18V, the corresponding first electric quantity value is 80%, the actual residual electric quantity may be lower or higher than 80%, the corresponding second electric quantity value is 82% when the load power-on time detected by the second detection unit is 2 hours, and the control unit comprehensively determines according to the first electric quantity value and the second electric quantity value to obtain the corrected first residual electric quantity value of 81%. In more detail, in one embodiment, the first residual electrical quantity value is an average of the first electrical quantity value and the second electrical quantity value.
If the third detection unit detects that the load real-time power exceeds the preset target power, the power value is reduced based on the first residual power value, and in one embodiment, 1% is taken as an adjustment amount to display a second residual power value, such as 80%. In other embodiments, the adjustment amount is scaled accordingly to the magnitude of the excess power. If the load real-time power is lower than the preset target power, the power value is raised again based on the first residual power value, and in one embodiment, 1% is used as the adjustment value to display the second residual power value, such as 82%.
More specifically, as shown in fig. 1 and 2, the main chip 1 on the control board is a control unit for controlling the distribution of electric quantity curves and the display of electric quantity, and can be used for controlling the on-off of the battery power supply interface 8, the first potentiometer 2 and the second potentiometer 3 are used for adjusting the electric quantity of the battery, the first sensing interface 4 is connected with a first detection unit, the first detection unit can adopt a voltage sensor or a detection circuit for detecting the output voltage of the battery, and the third detection unit can adopt a power sensor or an electric quantity sensor or a detection circuit for detecting the real-time power of the main board, namely the load real-time power. The main board power supply interface 5 is used for connecting a battery to supply power to the control board and supplying power to the main board, the second sensing interface 6 is connected with a second detection unit, the second detection unit can integrate a sensor for detecting the power-on time of a load and a sensor for detecting the voltage change on the main board, the switch interface 7 is used for triggering the battery power supply interface 8 to be electrified for the first time, the battery power supply interface 8 is used for controlling the power supply of each interface, the charging interface 9 is an interface for charging the battery, the buzzer 10 is used for prompting when in starting, the communication interface 11 is used for communicating with the main board or other equipment, the capacitor 12 is connected to the control board, the temperature and humidity sensor 13 is used for sensing the temperature and the humidity of the environment of the control board, the line driver/receiver 14 is used for driving a line, the switch type voltage reducing regulator 15 is a controller for comparing the measured value with the fixed value, generating an output signal according to a certain regulation law to drive the actuator to eliminate the deviation amount after the deviation is obtained, and keeping the parameter near the given value or changing according to a preset rule.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present invention.
Claims (8)
1. The electric quantity display correction module is characterized by comprising:
a first detection unit for detecting an output voltage of the battery; and
A second detection unit for detecting a load energization time;
the battery output voltage value detected by the first detection unit corresponds to a first electric quantity value, and the load power-on time value detected by the second detection unit corresponds to a second electric quantity value;
Also included is a method of manufacturing a semiconductor device,
The control unit is used for carrying out preliminary correction on the first electric quantity value according to the second electric quantity value or carrying out preliminary correction on the second electric quantity value according to the first electric quantity value so as to obtain a first residual electric quantity value; and
A third detection unit for detecting the real-time power of the load; the control unit corrects the first residual electric quantity value again according to the load real-time power to obtain a second residual electric quantity value.
2. The power display correction module according to claim 1, wherein the second remaining power value is displayed by a display unit, and the display unit is electrically connected to the control unit.
3. The power display correction module according to claim 1 or 2, further comprising a storage unit, wherein a first index table of a correspondence relationship between an output voltage value and a first power value and a second index table of a correspondence relationship between a power-on time value and a second power value are stored in the storage unit, and the storage unit is electrically connected to the control unit.
4. The power display correction module according to claim 1 or 2, wherein the first detecting unit, the second detecting unit, the third detecting unit and the control unit are integrated on a control board.
5. The power display correction module of claim 4, wherein the control board is electrically connected to a battery.
6. The power display correction module of claim 4, wherein the control board is electrically connected to a main circuit board to which a load is connected.
7. The power display correction module of claim 6, wherein the load real-time power is a main circuit board real-time power.
8. A method for correcting electric quantity, characterized in that the electric quantity display correction module according to any one of claims 1 to 7 is adopted, comprising the steps of:
A. The first detection unit detects the output voltage value of the battery and feeds the output voltage value back to the control unit, and the control unit obtains a first electric quantity value according to a first index table stored in advance;
B. The second detection unit detects a load power-on time value and feeds the load power-on time value back to the control unit, and the control unit obtains a second electric quantity value according to a second index table stored in advance;
C. The control unit performs preliminary correction on the first electric quantity value according to the second electric quantity value or performs preliminary correction on the second electric quantity value according to the first electric quantity value to obtain a first residual electric quantity value;
D. The third detection unit detects the load real-time power value and feeds the load real-time power value back to the control unit, and the control unit corrects the first residual electric quantity value again according to the load real-time power value to obtain a second residual electric quantity value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181852.XA CN109324295B (en) | 2018-10-11 | 2018-10-11 | Electric quantity display correction module and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811181852.XA CN109324295B (en) | 2018-10-11 | 2018-10-11 | Electric quantity display correction module and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109324295A CN109324295A (en) | 2019-02-12 |
| CN109324295B true CN109324295B (en) | 2024-08-02 |
Family
ID=65262202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811181852.XA Active CN109324295B (en) | 2018-10-11 | 2018-10-11 | Electric quantity display correction module and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109324295B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472135A (en) * | 2015-11-18 | 2016-04-06 | 广东欧珀移动通信有限公司 | Method and device for displaying electric quantity of mobile terminal |
| CN107144795A (en) * | 2017-05-12 | 2017-09-08 | 四川力垦锂动力科技有限公司 | A kind of lithium battery dump energy statistical method used for electric vehicle |
| CN107632263A (en) * | 2017-08-21 | 2018-01-26 | 深圳市中龙通电子科技有限公司 | A kind of method and system that remaining battery power is characterized using magnitude of voltage |
| CN209044041U (en) * | 2018-10-11 | 2019-06-28 | 杭州临安合星智能科技有限公司 | Electricity shows correction module |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980079177A (en) * | 1997-04-30 | 1998-11-25 | 윤종용 | Portable computer and remaining power display method with voltage display function of rechargeable battery |
| CN101153894B (en) * | 2006-09-26 | 2010-09-29 | 鸿富锦精密工业（深圳）有限公司 | Electricity quantity detecting method, electricity quantity detecting system and electronic equipment using the same method |
| CN102879743B (en) * | 2012-09-13 | 2016-01-20 | 东莞市太业电子科技有限公司 | Lithium ion battery residual electric quantity real-time analysis computing method |
| CN103344919B (en) * | 2013-06-26 | 2017-02-15 | 天津市松正电动汽车技术股份有限公司 | Method for calibrating SOC of lithium-ion battery |
| CN106842042A (en) * | 2016-12-28 | 2017-06-13 | 深圳天珑无线科技有限公司 | It is a kind of that method, system and the electronic equipment calibrated are shown to electricity |
| CN107565643B (en) * | 2017-09-22 | 2022-03-01 | 惠州Tcl移动通信有限公司 | Method for starting battery charging based on power consumption detection, storage device and terminal |
-
2018
- 2018-10-11 CN CN201811181852.XA patent/CN109324295B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472135A (en) * | 2015-11-18 | 2016-04-06 | 广东欧珀移动通信有限公司 | Method and device for displaying electric quantity of mobile terminal |
| CN107144795A (en) * | 2017-05-12 | 2017-09-08 | 四川力垦锂动力科技有限公司 | A kind of lithium battery dump energy statistical method used for electric vehicle |
| CN107632263A (en) * | 2017-08-21 | 2018-01-26 | 深圳市中龙通电子科技有限公司 | A kind of method and system that remaining battery power is characterized using magnitude of voltage |
| CN209044041U (en) * | 2018-10-11 | 2019-06-28 | 杭州临安合星智能科技有限公司 | Electricity shows correction module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109324295A (en) | 2019-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101441134B1 (en) | Charging system, electronic apparatus and charging method | |
| CN104967201B (en) | Fast charge method, mobile terminal and the source adapter that can directly charge | |
| US20170288421A1 (en) | Battery charger with gauge-based closed-loop control | |
| EP2568569B1 (en) | Charger | |
| US8203314B2 (en) | Surface temperature dependent battery cell charging system | |
| US10673256B2 (en) | Hub | |
| KR102049164B1 (en) | Power management circuit | |
| US10497995B2 (en) | Fuel cell system and control method of the same | |
| US8427003B2 (en) | Electric power supply device | |
| CN103092238B (en) | Power supply for industrial process-field device | |
| US20160344200A1 (en) | Quick-charging method and system | |
| US20160344199A1 (en) | Charging method and system | |
| US6828764B2 (en) | Regulator circuit and control method thereof | |
| JP5498149B2 (en) | Secondary battery device and vehicle | |
| CN104081624B (en) | Energy storage charging from an adjustable power source | |
| KR20160024963A (en) | A method for controlling air flow in a fuel cell power system | |
| CN212932876U (en) | On-board relay contact detection circuit | |
| US20080238359A1 (en) | Lithium Iron Phosphate Ultra Fast Battery Charger | |
| CN109324295B (en) | Electric quantity display correction module and method | |
| CN100438262C (en) | Battery charging method and apparatus therefor | |
| CN212526411U (en) | Rechargeable lithium battery electric soldering iron device with temperature adjusting, temperature controlling and constant temperature functions | |
| US20070252557A1 (en) | Method of charging a battery, and a corresponding charger and battery | |
| CN206211572U (en) | Charger and charging system | |
| CN105490344B (en) | Charging electric vehicle current control method and its control system | |
| CN209044041U (en) | Electricity shows correction module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |