CN203722278U - Charger with current and voltage detection and display functions - Google Patents
Charger with current and voltage detection and display functions Download PDFInfo
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- CN203722278U CN203722278U CN201320834825.4U CN201320834825U CN203722278U CN 203722278 U CN203722278 U CN 203722278U CN 201320834825 U CN201320834825 U CN 201320834825U CN 203722278 U CN203722278 U CN 203722278U
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000007599 discharging Methods 0.000 claims description 4
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- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a charger with current and voltage detection and display functions. The charger comprises a conversion module, a DC module, an MCU control module and a display module. The conversion module is electrically connected to an input terminal of an MCU control module via the DC module, and an output terminal of an MCU control module is electrically connected to the display module. A voltage detection unit, a current detection unit and a processing unit are arranged on the MCU control module. When the charger is connected to a power supply with no load, the voltage detection unit can detect a DC voltage at a USB output terminal of the DC module in real time, a user can check visually if the DC voltage output by the charger is within a safe range, and thus the charger can remind the user to pay attention to personal safety and to avoid injury caused by electric shocks. When the charger charges a device being charged, the current detection unit can detect the load capacity of the charger, and the display module can display the size of the current passing through the device, so that the user can know the approximate charging time of the device.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to a kind of charger of belt current voltage detecting Presentation Function.
Background technology
Occurred on the market at present various chargers, its most of charger is to adopt alternating current to be converted into direct current, then this direct current is inputed in charging device it is charged.But in use there is following defect in existing these chargers: when being only charges to charger, connect with the mains when Light Condition, outer surface by charger is the working condition that cannot see it, therefore cannot understand in time and will control direct voltage in safe range, and then there will be shock hazard, cause body safety hazard; In addition, cannot know that charger passes through the magnitude of current size of charging device, be not only easy to cause the damage of several chargers or charging device, and user need to check that charging device just can determine whether to have charged at any time, waste time and energy, to user, brought very large inconvenience.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of charger of belt current voltage detecting Presentation Function, the danger that this charger not only can effectively avoid user to be shocked by electricity, and can determine charging interval of charging device.
For achieving the above object, the utility model provides a kind of charger of belt current voltage detecting Presentation Function, comprises for alternating current being transferred to galvanic modular converter, direct current module, MCU control module and display module, described modular converter is electrically connected to the input of MCU control module by direct current module, the output of described MCU control module is electrically connected to display module, described MCU control module is provided with voltage detection unit, current detecting unit and processing unit, described direct current module is provided with USB output, the input of described voltage detection unit and current detecting unit is all electrically connected to the USB output of direct current module, the output of described voltage detection unit and current detecting unit is electrically connected to the input of processing unit respectively, the output of described processing unit is electrically connected to display module.
Wherein, described charger also comprises alarm module, and the output of described processing unit is also electrically connected to alarm module.
Wherein, in described MCU control module, be also provided with input for detection of the battery detection unit of charging device battery charging and discharging capacity, the output of described battery detection unit is electrically connected to processing unit.
Wherein, described alarm module is LED light and/or acoustical generator.
Wherein, described display module is LED display module or LCD display module.
The beneficial effects of the utility model are: compared with prior art, the charger of the belt current voltage detecting Presentation Function that the utility model provides, the MCU control module of this charger is provided with voltage detection unit, when charger is connected with the mains zero load, voltage detection unit can detect the direct voltage of the USB output of direct current module in real time, and be presented on display module, user can see that the direct voltage of charger output is whether in safe range intuitively, measuring ability can remind user to watch out for personal safety in time, is not subject to the injury of shock hazard; Further, in MCU control module, be also provided with current detecting unit, when this charger charges to charging device, current detecting unit can detect charger load-bearing capacity, display module can demonstrate the size of current that charging device passes through, and can know about charging interval of charging device; User can show result according to this, efficiently solves user and need to check at any time that charging device just can determine whether the problem of having charged.The utlity model has simple in structure, reasonable in design, be widely used, use safety, simple operation, highly versatile and operating efficiency high.
Accompanying drawing explanation
Fig. 1 is the block diagram of the charger of belt current voltage detecting Presentation Function of the present utility model.
Main element symbol description is as follows:
10, modular converter 11, MCU control module
12, display module 13, alarm module
14, direct current module 15, charging device
111, voltage detection unit 112, current detecting unit
113, processing unit 114, battery detection unit
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, the charger of belt current voltage detecting Presentation Function of the present utility model, comprises for alternating current AC being transferred to galvanic modular converter 10, direct current module 14, MCU control module 11 and display module 12, modular converter 10 is electrically connected to the input of MCU control module 11 by direct current module 14, the output of MCU control module 11 is electrically connected to display module 12, MCU control module 11 is provided with voltage detection unit 111, current detecting unit 112 and processing unit 113, direct current module 14 is provided with USB output (not shown), the input of voltage detection unit 111 and current detecting unit 112 is all electrically connected to the USB output of direct current module 14, the output of voltage detection unit 111 and current detecting unit 112 is electrically connected to the input of processing unit 113 respectively, the output of processing unit 113 is electrically connected to display module 12.
Situation compared to prior art, the charger of the belt current voltage detecting Presentation Function that the utility model provides, the MCU control module 11 of this charger is provided with voltage detection unit 111, when charger is connected with the mains zero load, voltage detection unit 111 can detect the direct voltage of the USB output of direct current module 14 in real time, and be presented on display module 12, user can see that the direct voltage of charger output is whether in safe range intuitively, measuring ability can remind user to watch out for personal safety in time, is not subject to the injury of shock hazard; Further, in MCU control module 11, be also provided with current detecting unit 112, when this charger charges to charging device 15, current detecting unit 112 can detect charger load-bearing capacity, display module 12 can demonstrate the size of current that charging device 15 passes through, and can know about charging interval of charging device 15; User can show result according to this, efficiently solves user and need to check at any time that charging device just can determine whether the problem of having charged.The utlity model has simple in structure, reasonable in design, be widely used, use safety, simple operation, highly versatile and operating efficiency high.And MCU control module 11 is prior art in the utility model, can be single-chip microcomputer, chip, controller etc., can purchase on the market available.
In the present embodiment, charger also comprises alarm module 13, and the output of processing unit 113 is also electrically connected to alarm module 13, and alarm module 13 is LED light and/or acoustical generator.If it is not in safe range that voltage detection unit 111 detects the direct voltage of charger output, after processing unit 113 will be processed this detection information, send in alarm module 13, if alarm module 13 LED light will be glimmered, if acoustical generator, will sound the alarm, if both combinations, alarm scope can increase.By setting up alarm module 13, can remind timely in user's charger or charging device and occur situation, can at once carry out alarm, can be by regulating the volume of alarm, user, more remote apart from charger, also can learn fault, at once fault is processed, this type of alarm can reduce the failure rate of charger and charging device 15, has improved both useful life.
In the present embodiment, be also provided with input for detection of the battery detection unit 114 of charging device 15 battery charging and discharging capacity in MCU control module 11, the output of battery detection unit 114 is electrically connected to processing unit 113.Battery detection unit 114 detects charging device 15 battery charging and discharging capacity in real time, as the battery capacity of the various charging devices such as mobile phone, mini panel computer, and transfer in processing unit 113,113 pairs of battery capacities of processing unit and the size of current of passing through by charging device, can calculate charging device charges the saturated general time, user can be when the charging interval arrives, stop charging, this mode, give user a comparatively accurate charging interval, facilitated use, also saved the time.
In the present embodiment, display module 12 is LED display module or LCD display module.Certainly display module 12 can also be charactron display module, if the change to display module 12 types so also can be appreciated that simple change of the present utility model or conversion, all falls in protection range of the present utility model.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (5)
1. a charger for belt current voltage detecting Presentation Function, is characterized in that, comprises for alternating current being transferred to galvanic modular converter, direct current module, MCU control module and display module, described modular converter is electrically connected to the input of MCU control module by direct current module, the output of described MCU control module is electrically connected to display module, described MCU control module is provided with voltage detection unit, current detecting unit and processing unit, described direct current module is provided with USB output, the input of described voltage detection unit and current detecting unit is all electrically connected to the USB output of direct current module, the output of described voltage detection unit and current detecting unit is electrically connected to the input of processing unit respectively, the output of described processing unit is electrically connected to display module.
2. the charger of belt current voltage detecting Presentation Function according to claim 1, is characterized in that, described charger also comprises alarm module, and the output of described processing unit is also electrically connected to alarm module.
3. the charger of belt current voltage detecting Presentation Function according to claim 1, it is characterized in that, in described MCU control module, be also provided with input for detection of the battery detection unit of charging device battery charging and discharging capacity, the output of described battery detection unit is electrically connected to processing unit.
4. the charger of belt current voltage detecting Presentation Function according to claim 2, is characterized in that, described alarm module is LED light and/or acoustical generator.
5. the charger of belt current voltage detecting Presentation Function according to claim 1, is characterized in that, described display module is LED display module or LCD display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834825.4U CN203722278U (en) | 2013-12-18 | 2013-12-18 | Charger with current and voltage detection and display functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320834825.4U CN203722278U (en) | 2013-12-18 | 2013-12-18 | Charger with current and voltage detection and display functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722278U true CN203722278U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320834825.4U Expired - Fee Related CN203722278U (en) | 2013-12-18 | 2013-12-18 | Charger with current and voltage detection and display functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212415A (en) * | 2018-11-28 | 2019-01-15 | 重庆欧锐特科技有限公司 | A kind of detection system with voltage regulator circuit |
-
2013
- 2013-12-18 CN CN201320834825.4U patent/CN203722278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212415A (en) * | 2018-11-28 | 2019-01-15 | 重庆欧锐特科技有限公司 | A kind of detection system with voltage regulator circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151119 Address after: 300381, No. 3, gate 6, Golden Garden, No. 502 Hongqi South Road, Tianjin, Nankai District Patentee after: Qi Xiaoyi Address before: 518000 Guangdong city of Shenzhen province Futian District Furong Luhong Bay gardens B1808 Patentee before: Lai Yongguang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20191218 |