CN203630212U - USB volt-ammeter - Google Patents
USB volt-ammeter Download PDFInfo
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- CN203630212U CN203630212U CN201320848629.2U CN201320848629U CN203630212U CN 203630212 U CN203630212 U CN 203630212U CN 201320848629 U CN201320848629 U CN 201320848629U CN 203630212 U CN203630212 U CN 203630212U
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- module
- usb
- sampling
- volometer
- electric current
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Abstract
The utility model is suitable for the technical field of measurement technologies, and provides a USB volt-ammeter. The USB volt-ammeter comprises a volt-ammeter shell, wherein the volt-ammeter shell includes an MCU processing module, a sampling module, a display module, and a power supply management module which are disposed on a circuit board in the volt-ammeter shell; the MCU processing module is connected with the sampling module and the display module, and is used for controlling the sampling module to carry out data sampling, and processing the sampled data, and sending the sampled data to the display module; the power supply management module is connected with the MCU processing module, the sampling module, and the display module; and a USB male connector and a USB female connector are disposed on the volt-ammeter shell, the USB male connector is connected with the power supply management module, and the USB female connector is connected with the sampling module. With the USB volt-ammeter, the voltage value and the current value of an electrical appliance can be measured conveniently. The USB volt-ammeter is simple in structure, light in weight, and convenient to carry.
Description
Technical field
The utility model belongs to surveying instrument technical field, relates in particular to USB volometer.
Background technology
At present, need to test the power of household electrical appliance time, the general multimeter that uses is measured, or uses the socket that has power Presentation Function.Multimeter need to be connected on test pencil respectively on both positive and negative polarity in the time measuring, and is adjusted to corresponding gear and measures, and uses multimeter measurement to need some associative skills, and some trouble that operates.There is the socket of power Presentation Function can only measure the electric current and the voltage that are connected on the electrical equipment in socket, do not there is versatility.
Therefore, there is defect in prior art, needs to improve.
Utility model content
Technical problem to be solved in the utility model is to provide USB volometer, is intended to solve existing equipment and can not measures easily the electric current and voltage value of electrical equipment.
The utility model is achieved in that USB volometer, comprises electric current and voltage watch shell, comprises the MCU processing module, sampling module, display module and the power management module that are laid on circuit board in described electric current and voltage watch shell; Described MCU processing module is connected with described display module with described sampling module respectively, carries out the sampling of data and sends to described display module after the data processing sampling for controlling sampling module; Described power management module is connected with display module with described MCU processing module, sampling module respectively; Described electric current and voltage watch shell is provided with:
Can with the USB male joint of externally fed equipment connection, described USB male joint is connected with described power management module, is described MCU processing module, sampling module and display module power supply;
The USB female joint that can be connected with product to be detected, described USB female joint is connected with described sampling module.
Described USB volometer, wherein, described sampling module comprises voltage sample module and current sample module.
Described USB volometer, wherein, described display module comprises voltage display module and electric current display module.
Described USB volometer, wherein, described display module is made up of LED charactron.
Described USB volometer, wherein, also comprises memory module in described electric current and voltage watch shell, and described memory module is connected with described MCU processing module, for storage voltage current data.
Described USB volometer, wherein, in described electric current and voltage watch shell, also comprise communication module, described communication module is connected with described MCU processing module, for sending transfer instruction or the data of described MCU processing module are sent to described MCU processing module.
Described USB volometer, wherein, described USB volometer also comprises: dismountable USB public access head capsule cap.
Described USB volometer, wherein, is also provided with screening glass on described electric current and voltage watch shell, and described screening glass edge is combined on described electric current and voltage watch shell and above described display module.
Compared with prior art, beneficial effect is the utility model: be connected with the electrical equipment that needs measuring voltage current value by USB female joint, can measure easily the electric current and voltage value of electrical equipment, and described volometer be simple in structure, light, easy to carry.
Accompanying drawing explanation
Fig. 1 is the each functional module annexation of the USB volometer figure that the utility model embodiment provides;
Fig. 2 is the Facad structure figure of the USB volometer that provides of the utility model embodiment;
Fig. 3 is the structural drawing on the contrary of volometer in Fig. 2;
Fig. 4 is the USB volometer inner structure schematic diagram that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in Fig. 1, Fig. 2, for the utility model one preferred embodiment, a kind of USB volometer, comprise electric current and voltage watch shell 200, in described electric current and voltage watch shell 200, comprise the MCU processing module 101, sampling module 102, display module 103 and the power management module 104 that are laid on circuit board 100.Described MCU processing module 101 is connected with described display module 103 with described sampling module 102 respectively, carries out the sampling of data and sends to described display module 103 after the data processing sampling for controlling sampling module 102.Described power management module 104 is connected with MCU processing module 101, sampling module 102 and display module 103 respectively, is each module assignment electric energy.When sampling module 102 is received trigger pip, the product of needs test is carried out to electric current and voltage data sampling.Described electric current and voltage watch shell 200 be provided with can with the USB male joint of externally fed equipment connection 202 and the USB female joint 201 that can be connected with product to be detected.Described USB male joint 202 is connected with described power management module 104, then USB male joint 202 is received on computer or portable power source, gives inner modules and needs the product of test to power.USB female joint 201 is connected with described sampling module 102, and USB female joint 201 is connected in the product that needs test and can carries out the test of voltage and current.
Combine with above-described embodiment, described sampling module 102 comprises voltage sample module and current sample module.Shown in Fig. 3, be the structure figure of USB volometer one embodiment, USB volometer also comprises that a dismountable USB public access shell cap 204.
Combine with above-mentioned each embodiment, as shown in Figure 4, described display module 103 is made up of LED charactron, comprises voltage display module 1031 and electric current display module 1032, shows respectively measuring voltage and current data.On described electric current and voltage watch shell 200, be also provided with screening glass 203, described screening glass 203 edges are combined on described electric current and voltage watch shell 200 and above described display module 103.
Combine with above-mentioned each embodiment, in described electric current and voltage watch shell 200, also comprise memory module 105, described memory module 105 is connected with described MCU processing module 101, for storing the voltage, the current data that measure.
Combine with above-mentioned each embodiment, in described electric current and voltage watch shell 200, also comprise communication module 106, described communication module 106 is connected with described MCU processing module 101, for sending transfer instruction to described MCU processing module 101 or the data of described MCU processing module 101 being sent.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1.USB volometer, comprises electric current and voltage watch shell, it is characterized in that, comprises the MCU processing module, sampling module, display module and the power management module that are laid on circuit board in described electric current and voltage watch shell; Described MCU processing module is connected with described display module with described sampling module respectively, carries out the sampling of data and sends to described display module after the data processing sampling for controlling sampling module; Described power management module is connected with display module with described MCU processing module, sampling module respectively; Described electric current and voltage watch shell is provided with:
Can with the USB male joint of externally fed equipment connection, described USB male joint is connected with described power management module, is described MCU processing module, sampling module and display module power supply;
The USB female joint that can be connected with product to be detected, described USB female joint is connected with described sampling module.
2. USB volometer according to claim 1, is characterized in that, described sampling module comprises voltage sample module and current sample module.
3. USB volometer according to claim 1, is characterized in that, described display module comprises voltage display module and electric current display module.
4. USB volometer according to claim 1, is characterized in that, described display module is made up of LED charactron.
5. USB volometer according to claim 1, is characterized in that, in described electric current and voltage watch shell, also comprises memory module, and described memory module is connected with described MCU processing module, for storage voltage current data.
6. USB volometer according to claim 1, it is characterized in that, in described electric current and voltage watch shell, also comprise communication module, described communication module is connected with described MCU processing module, for sending transfer instruction or the data of described MCU processing module are sent to described MCU processing module.
7. USB volometer according to claim 1, is characterized in that, described USB volometer also comprises: dismountable USB public access head capsule cap.
8. USB volometer according to claim 1, is characterized in that, on described electric current and voltage watch shell, is also provided with screening glass, and described screening glass edge is combined on described electric current and voltage watch shell and above described display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848629.2U CN203630212U (en) | 2013-12-20 | 2013-12-20 | USB volt-ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320848629.2U CN203630212U (en) | 2013-12-20 | 2013-12-20 | USB volt-ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203630212U true CN203630212U (en) | 2014-06-04 |
Family
ID=50816674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320848629.2U Expired - Fee Related CN203630212U (en) | 2013-12-20 | 2013-12-20 | USB volt-ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203630212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974176A (en) * | 2016-05-03 | 2016-09-28 | 深圳市格劳瑞电子有限公司 | USB Type-C volt ammeter and detection method thereof |
-
2013
- 2013-12-20 CN CN201320848629.2U patent/CN203630212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974176A (en) * | 2016-05-03 | 2016-09-28 | 深圳市格劳瑞电子有限公司 | USB Type-C volt ammeter and detection method thereof |
| CN105974176B (en) * | 2016-05-03 | 2019-03-01 | 深圳市格劳瑞电子有限公司 | A kind of USB Type-C volometer and its detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140604 Termination date: 20211220 |