CN206178018U - Wearable equipment capable of automatically detecting self circuit current - Google Patents
Wearable equipment capable of automatically detecting self circuit current Download PDFInfo
- Publication number
- CN206178018U CN206178018U CN201621118496.3U CN201621118496U CN206178018U CN 206178018 U CN206178018 U CN 206178018U CN 201621118496 U CN201621118496 U CN 201621118496U CN 206178018 U CN206178018 U CN 206178018U
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- Prior art keywords
- current
- resistor
- equipment
- wearable device
- automatic detection
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- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 18
- 230000005669 field effect Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 16
- 239000004065 semiconductor Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009223 counseling Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Abstract
The utility model discloses a wearable equipment of ability automated inspection self circuit current, including microprocessor, still include in addition: the sampling resistor is connected in series with the main power supply loop of the equipment; a processing unit having an input connected across the sampling resistor and outputting a proportional current; and a first voltage dividing resistor and a second voltage dividing resistor connected in series between the output terminal of the processing part and ground, wherein a node between the first voltage dividing resistor and the second voltage dividing resistor is connected to the input terminal of the microprocessor. According to the wearable equipment provided by the embodiment of the utility model, the self current measurement can be completed without disassembling the machine, and the cost of monitoring the circuit current of the equipment by a production line can be reduced; in the quality inspection process, the reason can be quickly and accurately checked; in the process of product sale and after-sale, the equipment can monitor power consumption at any time, and once overload or low power consumption occurs, a user can be prompted to consult technical support, so that better experience is provided for the user.
Description
Technical field
The utility model is related to a kind of wearable device, more particularly to it is a kind of can automatic detection itself circuital current can
Wearable device.
Background technology
During production and manufacturing intelligent wearable device, operating current be assessment equipment performance important indicator it
One, operating current can feed back the information such as failure, equipment power dissipation.At present, the method for factory's testing equipment circuital current mainly has two
Kind：（1）Circuitry plate is put into into artificial mechanism testing jig, the different mode and gear of manual adjustment, by universal meter and electric current
Voltmeter test circuit plate electric current, so as to judge circuitry plate working condition；（2）The circuit board of equipment is put into into automatic detection
Electric current instrument, instrument automatic detection electric current shows test result, manual identified and decision circuitry plate work feelings in instrument display screen
Condition.
Each equipment is required in process of production testing equipment circuit operation, such as by above-mentioned first method
Apparatus circuit for testing electric current, i.e., artificial operation test, time cost is high, inefficiency.In order to improve efficiency, factory needs purchase
Multiple artificial mechanism testing jigs, universal meter, current voltmeter are put, multiple testers are employed, equipment is so undoubtedly increased
Production cost.Such as by above-mentioned second method apparatus circuit for testing electric current, the relatively above-mentioned first method of efficiency is high, but equipment
After the completion of installing during the situation of test electric current in need, it is necessary to which machine of tearing open just can complete to test current work, cumbersome；Especially
It is that the equipment completed in the face of installation feeds back power consumption greatly in follow-up quality inspection test, but electric current normal feelings during installation test originally
Condition, needs to tear machine test open, is unfavorable for the reason for investigation causes the phenomenon；And being possibly due to assembly problem causes equipment to be torn open after machine
Device current is normal.
Accordingly, it would be desirable to a kind of wearable device of energy automatic detection itself circuital current.
The content of the invention
The purpose of this utility model is the defect in order to overcome prior art to exist, there is provided a kind of energy automatic detection itself electricity
The wearable device of road electric current.In order to realize this purpose, technical solution adopted in the utility model is as follows.
According to the one side of the utility model embodiment, there is provided it is a kind of can automatic detection itself circuital current it is wearable
Equipment, including microprocessor, additionally include：The sampling resistor being connected on the main current supply circuit of equipment；Input is connected across
Sampling resistor two ends simultaneously export the processing component of proportional electric current；And be connected between processing component output end and ground
First voltage grading resistor and the second voltage grading resistor, wherein the input of the microprocessor be connected to the first voltage grading resistor and
Node between second voltage grading resistor.
According to further embodiment, it is preferred that the wearable device of described itself circuital current of energy automatic detection is also
Including the current monitoring controlling switch being connected between the output end of the processing component and the node.
According to another embodiment, it is preferred that the current monitoring controlling switch is transistor, and its control pole is by upper
Pull-up resistor device is connected to the control signal output of the microprocessor.
According to another embodiment, it is preferred that the transistor is mos field effect transistor.
According to yet another embodiment, it is preferred that the current monitoring controlling switch is connected to the first partial pressure electricity
Between resistance device and the node.
According to the wearable device of itself circuital current of the energy automatic detection of the utility model embodiment, by such electricity
Road is designed, and equipment completes current measurement by need not tearing machine open.In process of production, producing line is reduced to circuitry current monitoring
Cost；In later stage quality check process, in the face of circuit board installation before electric current be it is normal and installation after the completion of the abnormal feelings of electric current
Condition, is conducive to quick and investigates reason exactly；During in production marketing and after sale, equipment can at any time carry out power consumption monitoring,
Once there is the low situation of overload or power consumption, user's Counseling Technique can be pointed out to support, more preferable body can be provided the user
Test.
The utility model is specifically described below in conjunction with accompanying drawing and by embodiment, wherein identical or essentially identical
Part using identical reference indicate.
Description of the drawings
Fig. 1 is the office according to the wearable device of the energy automatic detection of the utility model one embodiment itself circuital current
Portion's circuit theory diagrams；
Fig. 2 is the knot according to the wearable device of the energy automatic detection of the utility model one embodiment itself circuital current
Structure block diagram.
Specific embodiment
As shown in figure 1, being according to the wearable of the energy automatic detection of the utility model one embodiment itself circuital current
The local circuit schematic diagram of equipment, basically illustrates the current monitoring element circuit part increased in wearable device.By surveying
The voltage of the internal sampling resistor R1 of amount, calculates the electric current by sampling resistor R1.Because sampling resistor R1 is to be connected on
In circuit, for example, the main current supply circuit of equipment is connected on, therefore the electric current for passing through sampling resistor R1 is exactly circuital current.
When an electric current passes through it, the resistor R1 two ends being connected on main current supply circuit form voltage drop, are taken by being connected across
The processing component at sample resistor R1 two ends（Terminal 2 and 3）, such as chip ZXCT1008, after testing after amplification conversion, according to for example
10mV：The ratio of 100uA, is converted into proportional current output.First voltage grading resistor R2 and the second voltage grading resistor R3 are connected on
The output end of processing component（That is terminal 1）Between ground, node A between the first voltage grading resistor and the second voltage grading resistor with
The microprocessor of wearable device（MCU）AD inputs connection；Proportional current is produced through resistor R2 and R3 on resistor R3
The voltage-to-ground Va of raw voltage, i.e. node A, the AD inputs of the MCU of wearable device, wearable device are accessed by TOMCU
MCU according to the voltage Va for measuring, according to formula：I=(100*Va)/(R1*R3), tries to achieve main current supply circuit resistors in series R1
Electric current, and itself circuital current；And can be shown or communication module is transferred to terminal device and shows by driving wearable device
Result of calculation.
It is also to have power loss in view of current monitoring circuit, and relative power consumption requires very strict wearable device
It is difficult to tolerate；Therefore in one embodiment, current monitoring controlling switch can be in circuit set, it is connected to the place
Between the output end 1 and the node A of reason part.In the embodiment shown in fig. 1, the current monitoring controlling switch is connected to
Between the first voltage grading resistor R2 and the node A.In one embodiment, it is described to switch as transistor, its control pole
The control signal output of the microprocessor is connected to by pullup resistor, further the transistor is metal oxidation
Thing semiconductor field effect transistor（That is metal-oxide-semiconductor）, its source S and drain D are connected respectively to resistor R2 and node A.Work as equipment
When needing monitoring current, MCU output monitoring signals（High level）CTRL pin are given, high level signal is defeated through current-limiting resistor R16
Enter metal-oxide-semiconductor, metal-oxide-semiconductor is opened, current monitoring circuit work；When equipment does not need monitoring current, MCU outputs stop monitoring signals
（Low level）Metal-oxide-semiconductor is input into through current-limiting resistor R16 to CTRL pin, low level signal, metal-oxide-semiconductor is closed, current monitoring circuit
Do not work.The intelligent opening for realizing current monitoring circuit is set by such, unnecessary power wastage is reduced.
By such circuit design, equipment completes current measurement by need not tearing machine open.In process of production, reduce producing
Cost of the line to circuitry current monitoring；In later stage quality check process, electric current is normal and installs before circuit board installation
After the completion of the abnormal situation of electric current, be conducive to quick and accurate investigation reason；During in production marketing and after sale, equipment
Power consumption monitoring can be at any time carried out, once there is overload or the low situation of power consumption, user's Counseling Technique can be pointed out to support, can be with
Provide the user preferably experience.
As shown in Fig. 2 being according to the wearable of the energy automatic detection of the utility model one embodiment itself circuital current
The structured flowchart of equipment.Wherein current monitoring controlling switch 202 is according to master chip 200（That is MCU）Instruction control electric current monitoring
Whether is the work of unit 204；Current monitoring unit 204 is used to carry out the monitoring of circuital current, and monitoring result is input to master
Chip 200；Lithium battery 206 is used to be whole equipment system power supply；Display screen 208 is used to show the numeral that master chip 200 is exported
Signal message；Heart rate sensor 210 is used to detect user's heart rate；Motion sensor 212 is used to detect user movement situation；Storage
Unit 214 is used for the data of storage device.The each architecture logic relation of wearable device is：Master chip 200 is according to touch key-press 216
Input or device systems default situation control heart rate sensor 210, motion sensor 212, memory cell 214, display screen
208 and the work of motor 218；Institute's gathered data is input to master chip 200 by heart rate sensor 210, motion sensor 212；
Data input of the memory cell 214 according to required for the signal that master chip 200 is exported is by master chip is to master chip；Master chip 200
Current monitoring controlling switch 202, and then by the work of current monitoring controlling switch control electric current monitoring unit 204, such as electric current
Monitoring result is simultaneously input to master chip by the signal of Monitoring and Controlling switch output "ON", current monitoring unit observation circuit electric current
200；As current monitoring controlling switch exports the signal of "Off", then current monitoring unit 204 is not monitored to circuital current；Lithium
Battery charging management 220 is charged to lithium battery 206, and lithium battery 206 is powered through current monitoring unit 204 to equipment.
The utility model is illustrated above by specific embodiment, but the utility model is not limited to these tools
The embodiment of body.It will be understood by those skilled in the art that various modifications, equivalent, change can also be made to the utility model
Etc..But, these conversion, all should be within protection domain of the present utility model without departing from spirit of the present utility model.
In addition, some terms that present specification and claims are used, such as " first ", " second " etc., are not limit
System, it is only for be easy to description.Additionally, " one embodiment ", " another embodiment " described in above many places etc. is represented
Different embodiment, naturally it is also possible to completely or partially combine it in one embodiment.
Claims (5)
1. a kind of wearable device of energy automatic detection itself circuital current, including microprocessor, it is characterised in that also include：
The sampling resistor being connected on the main current supply circuit of equipment；
Input is connected across sampling resistor two ends and exports the processing component of proportional electric current；And
The first voltage grading resistor and the second voltage grading resistor being connected between processing component output end and ground, wherein micro- place
The input of reason device is connected to the node between the first voltage grading resistor and the second voltage grading resistor.
2. as claimed in claim 1 can automatic detection itself circuital current wearable device, it is characterised in that also include：
The current monitoring controlling switch being connected between the output end of the processing component and the node.
3. as claimed in claim 2 can automatic detection itself circuital current wearable device, it is characterised in that：The electric current
Monitoring and Controlling switch is transistor, and its control pole is connected to the control signal output of the microprocessor by current-limiting resistor
End.
4. as claimed in claim 3 can automatic detection itself circuital current wearable device, it is characterised in that：The crystal
Manage as mos field effect transistor.
5. as claimed in claim 2 can automatic detection itself circuital current wearable device, it is characterised in that：The electric current
Monitoring and Controlling switch is connected between first voltage grading resistor and the node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118496.3U CN206178018U (en) | 2016-10-11 | 2016-10-11 | Wearable equipment capable of automatically detecting self circuit current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621118496.3U CN206178018U (en) | 2016-10-11 | 2016-10-11 | Wearable equipment capable of automatically detecting self circuit current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178018U true CN206178018U (en) | 2017-05-17 |
Family
ID=58677530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621118496.3U Expired - Fee Related CN206178018U (en) | 2016-10-11 | 2016-10-11 | Wearable equipment capable of automatically detecting self circuit current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206178018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188064A (en) * | 2018-09-26 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of electric voltage observation circuit and voltage monitor |
| CN109900990A (en) * | 2019-03-19 | 2019-06-18 | 广东乐芯智能科技有限公司 | A kind of wearable device complete machine current test method |
-
2016
- 2016-10-11 CN CN201621118496.3U patent/CN206178018U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109188064A (en) * | 2018-09-26 | 2019-01-11 | 郑州云海信息技术有限公司 | A kind of electric voltage observation circuit and voltage monitor |
| CN109900990A (en) * | 2019-03-19 | 2019-06-18 | 广东乐芯智能科技有限公司 | A kind of wearable device complete machine current test method |
| WO2020186762A1 (en) * | 2019-03-19 | 2020-09-24 | 广东乐芯智能科技有限公司 | Overall current test method for wearable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170517 Termination date: 20211011 |