CN207817043U - In-built electrical pool electronic product uses electrical test circuit - Google Patents
In-built electrical pool electronic product uses electrical test circuit Download PDFInfo
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- CN207817043U CN207817043U CN201820008327.7U CN201820008327U CN207817043U CN 207817043 U CN207817043 U CN 207817043U CN 201820008327 U CN201820008327 U CN 201820008327U CN 207817043 U CN207817043 U CN 207817043U
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
Electrical test circuit is used the utility model discloses a kind of in-built electrical pool electronic product, it is with sequentially connected current testing circuit, electronic product interface, test switch, power circuit, battery powered switch, internal battery, operating mode control unit detects the state on electronic product interface, when detect be not inserted into plug on electronic product interface when, implement normal electricity consumption pattern, the disconnection of control test switch, control battery powered switch conduction；When detecting insertion current testing circuit on electronic product interface, examinations pattern, control test switch conduction, control battery powered switch disconnection；The utility model utilizes the existing interface of mobile phone, can be realized under conditions of not changing cell phone appearance and is detected to mobile phone complete machine electric current；Have that circuit is simple simultaneously, advantage of low cost, versatile.
Description
Technical field
The utility model is related to current detection circuit more particularly to it is a kind of can to built-in battery type electronic product carry out electricity consumption
The test circuit of detection.
Background technology
Since the mobile electronic products such as current phone are higher and higher to appearance requirement, many middle and high end mobile phones are in order to meet hand
Battery is set as built-in non-removable structure by light, the thin design requirement of machine.Non-removable internal battery meets appearance
Design requirement, but the mobile phone after being completed can not carry out testing current.Existing test method and mobile phone port are not
Can meet the needs of complete machine testing current.
Therefore, how in existing mobile phone test environment, under conditions of not changing cell phone appearance, by existing to mobile phone
Some interfaces, design is a kind of to disclosure satisfy that the test circuit of mobile phone complete machine current detecting is industry technical problem urgently to be resolved hurrily.
Utility model content
The utility model is the above problem of the prior art to be solved, propose it is a kind of can to built-in battery type electronic product into
The test circuit of row electrical testing.
In order to solve the above technical problems, the utility model proposes technical solution be a kind of design in-built electrical pool electronics production
Product use electrical test circuit, have and are arranged in the pluggable testing current electricity on electronic product interface of electronics external
Road, and be arranged inside electronic product test switch, battery powered switch, operating mode control unit, wherein test open
Pass is serially connected between electronic product interface and power circuit, and battery powered switch is serially connected between power circuit and internal battery；
Operating mode control unit detect electronic product interface on state, when detect be not inserted into plug on electronic product interface when,
Implement normal electricity consumption pattern, the disconnection of control test switch, control battery powered switch conduction；When detecting on electronic product interface
When being inserted into current testing circuit, examinations pattern, control test switch conduction, control battery powered switch disconnect.
When the operating mode control unit detects insertion OTG plugs on electronic product interface, implement OTG connection moulds
Formula, control test switch disconnects, controls battery powered switch conduction, and feeds back an OTG identification signal.
The current testing circuit plug is multiplexed the same multiplexing PIN foot in the electronic product interface with OTG plugs,
3.8V voltages are exported to multiplexing PIN foot when current testing circuit is inserted into, are grounded multiplexing PIN foot when OTG plugs are inserted into；When
When being inserted into ordinary plug or being not inserted into any plug, multiplexing PIN foot is hanging；Operating mode control unit detection multiplexing PIN foot
Voltage value is inserted into the type of equipment to differentiate.
The operating mode control unit has 1.8V power ends, OTG identifications end, diode, the 100th seven to the first
111 resistance, wherein 1.8V power ends connect the anode of diode by the 107th resistance and OTG identifies end, two poles
The cathode of pipe connects the multiplexing PIN foot；The 108th resistance and the 109th electricity are concatenated between multiplexing PIN foot and ground
The tie point of resistance, the 108th resistance and the 109th resistance connects the Enable Pin of the test switch；Be multiplexed PIN foot with
The 110th resistance of concatenation and the 111st resistance between ground, the 110th resistance and the 111st resistance
Tie point connects the Enable Pin of the battery powered switch；Test switch and battery powered switch use load switch；The survey
The Enable Pin high level that runin is closed is effective, and the Enable Pin low level of the battery powered switch is effective.
A delay capacitor is concatenated between the Enable Pin and ground of the battery powered switch.
Two-way TVS pipe is concatenated between multiplexing PIN foot and the ground.
It is lower margin that the electronic product interface, which uses Micro USB sockets, the 5th PIN foot, and the 4th PIN foot is described
It is multiplexed PIN foot.
Compared with prior art, the utility model utilizes the existing interface of mobile phone, under conditions of not changing cell phone appearance
It can be realized and mobile phone complete machine electric current is detected；Have that circuit is simple simultaneously, advantage of low cost, versatile.
Description of the drawings
Fig. 1 is the functional block diagram of the utility model preferred embodiment；
Fig. 2 is the circuit diagram of the utility model preferred embodiment；
Fig. 3 is each PIN foot definition figure of OTG plugs；
Fig. 4 is each PIN foot definition figure of testing current plug.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is described in further detail the utility model.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model is not used to limit the utility model.
Electrical test circuit is used the utility model discloses a kind of in-built electrical pool electronic product, referring to the original shown in Fig. 1
Block diagram is managed, the wherein existing parts of electronic product are：Internal battery, power circuit（All use electrical zero portions in electronic product
Part, that is, do the object of complete machine testing current）, electronic product interface.The purport of the utility model is will be by some switches
Switching, power circuit is separated with internal battery, is connect with the current testing circuit of electronics external, is then carried out whole
Electromechanical current test, to solve the defect that the prior art is inconvenient to test.
Described in Fig. 1, current testing circuit has setting pluggable on electronic product interface in electronics external
Current testing circuit, and the test switch that is arranged inside electronic product, battery powered switch, operating mode control is single
Member, wherein test switch be serially connected between electronic product interface and power circuit, battery powered switch be serially connected in power circuit with
Between internal battery；Operating mode control unit detects the state on electronic product interface, when detecting on electronic product interface
When being not inserted into plug, implement normal electricity consumption pattern, the disconnection of control test switch, control battery powered switch conduction；When detecting
When being inserted into current testing circuit on electronic product interface, examinations pattern, control test switch conduction, control battery powered are opened
Shutdown is opened.Self-evident, current testing circuit needs one testing current plug of connection that can be connected with electronic product interface
It connects.
OTG（The abbreviation of On-The-Go）It is the technology that developed recently gets up, is mainly used in a variety of different equipment or shifting
The connection of dynamic equipment room, carries out data exchange.In order to which when being inserted into OTG plugs, electronic product can use internal battery normal power supply,
Simultaneously and be inserted into OTG equipment（Such as Pad, mobile phone, consumer devices, digital camera, video camera, printer）It carries out
Data exchange, the operating mode control unit also needs whether be inserted into OTG plugs on detection electronic product interface, as insertion OTG
When plug, implement OTG connection modes, control test switch disconnects, control battery powered switch conduction, and to the control of electronic product
One OTG identification signal of system feedback processed.The control system of electronic product obtains the identification signal sides OTG and passes through electronic product interface
Data exchange is carried out with OTG equipment.
In the preferred embodiment, the current testing circuit plug is multiplexed with OTG plugs in the electronic product interface
The same multiplexing PIN foot exports 3.8V voltages to multiplexing PIN foot when current testing circuit is inserted into, makes when OTG plugs are inserted into
It is multiplexed PIN foot ground connection；When being inserted into ordinary plug or being not inserted into any plug, multiplexing PIN foot is hanging；Operating mode control unit
The voltage value of detection multiplexing PIN foot is to differentiate the type for being inserted into equipment.
Referring to Fig. 2 shows preferred embodiment circuit diagram, the operating mode control unit have 1.8V power ends,
OTG identifies end（EINTO_IDDIG）, diode D501, the 107th to the 111st resistance, wherein 1.8V power ends
Identify that end, the cathode of diode connect the multiplexing PIN by the anode and OTG of the 107th resistance R107 connection diodes
Foot（4th PIN foot of Micro USB sockets）；The 108th resistance R108 and the 100th is concatenated between multiplexing PIN foot and ground
The tie point of 09 resistance R109, the 108th resistance and the 109th resistance connects the Enable Pin of the test switch；
The 110th resistance R110 and the 111st resistance R111, the 110th resistance are concatenated between multiplexing PIN foot and ground
The Enable Pin of the battery powered switch is connected with the tie point of the 111st resistance；Test switch and battery powered switch
Using load switch；The Enable Pin high level of the test switch is effective, and the Enable Pin low level of the battery powered switch has
Effect.A delay capacitor C112 is concatenated between the Enable Pin and ground of the battery powered switch.Between multiplexing PIN foot and the ground
Concatenate two-way TVS pipe T111.The electronic product interface use Micro USB sockets, the 5th PIN foot be lower margin, the 4th
PIN foot is the multiplexing PIN foot.
With reference to Fig. 2,3,4, the operation principle of the utility model Three models is described in detail.
Normal electricity consumption pattern：4th PIN foot of generic USB plug is hanging, and electronic product interface is inserted into and is not inserted into
The 4th PIN foot of USB plug（It is multiplexed PIN foot）State is constant, and voltage is all 1.5-1.8V.The voltage is that 1.8V power supplys pass through
R107, D501 supply.At this time, test switch（U100）Because of its Enable Pin（EN）For low level（1.2V or more is high level）And
It disconnects, battery powered switch（U101）Because of its Enable Pin（EN）For low level（1.2V or less is low level）And it is connected.In-built electrical
Pond is through battery powered switch electron product power supply, electronic product normal work.
OTG connection modes：As shown in figure 3, the 4th PIN foot of OTG plugs is ground connection, when electronic product interface is inserted into OTG
When plug, multiplexing PIN foot ground connection, diode D501 conductings, OTG identifications end（EINTO_IDDIG）Voltage is pulled low（About 0.3V）,
An OTG identification signal is sent out, electronic product has recognized the insertion of OTG equipment, and data exchange is carried out by electronic product interface.
Test switch U100 is disconnected because its Enable Pin EN is low level, and battery powered switch is led because its Enable Pin EN is low level
It is logical.Internal battery is through battery powered switch electron product power supply, electronic product normal work.
Detection pattern：As shown in figure 4, the external 3.8V DC power supplies of testing current plug, when being inserted into testing current plug,
Multiplexing PIN foot is 3.8V, diode D501 cut-offs, OTG identifications end（EINTO_IDDIG）Voltage is 1.8V, electronic product identification
It is not OTG equipment to be inserted into equipment.Test switch U100 is connected because its Enable Pin EN is high level, battery powered switch
U101 is disconnected because its Enable Pin EN is high level.Internal battery, which is disconnected, no longer powers, external power supply through electronic product interface,
The power supply of switch U100 electron products is tested, electronic product normal work can be measured accurately under each pattern of electronic product at this time
Operating current, complete complete machine testing current.
It may be noted that in the preferred embodiment, a delay electricity is concatenated between the Enable Pin and ground of the battery powered switch
Hold C112.Under normal electricity consumption pattern, test switch disconnects, and battery powered switch conduction, internal battery is switched through battery powered
It powers to power circuit, it is low level to be multiplexed PIN foot at this time.When being inserted into testing current plug, multiplexing PIN foot is 3.8V, is surveyed
Runin pass is connected at once, and external 3.8V powers to power circuit, and battery powered switch does not turn off, and internal battery continues
Power supply；Then the 3.8V in multiplexing PIN foot charges to delay capacitor C112, and battery powered switch just breaks after a bit of time of charging
It opens, is individually powered by external 3.8V power supplys.Thereby design can improve the electrical stability of electronic product.Adjust the capacitance of C112
I.e. adjustable delay duration.
Above example is by way of example only, non-to provide constraints.It is any without departing from the application spirit and scope, and to it
The equivalent modifications of progress or change, shall be included in the scope of claims of this application.
Claims (7)
1. a kind of in-built electrical pool electronic product uses electrical test circuit, it is characterised in that：With setting in electronics external
The pluggable current testing circuit on electronic product interface, and the test switch, the battery that are arranged inside electronic product supply
Electric switch, operating mode control unit, wherein test switch is serially connected between electronic product interface and power circuit, battery powered
Switch is serially connected between power circuit and internal battery；
Operating mode control unit detects the state on electronic product interface, and plug is not inserted on electronic product interface when detecting
When, implement normal electricity consumption pattern, the disconnection of control test switch, control battery powered switch conduction；When detecting that electronic product connects
When being inserted into current testing circuit on mouth, examinations pattern, control test switch conduction, control battery powered switch disconnect.
2. in-built electrical pool electronic product as described in claim 1 uses electrical test circuit, it is characterised in that：The Working mould
When formula control unit detects insertion OTG plugs on electronic product interface, implementation OTG connection modes, the disconnection of control test switch,
Battery powered switch conduction is controlled, and feeds back an OTG identification signal.
3. in-built electrical pool electronic product as claimed in claim 2 uses electrical test circuit, it is characterised in that：The electric current is surveyed
Examination circuit plug is multiplexed the same multiplexing PIN foot in the electronic product interface with OTG plugs, when current testing circuit is inserted into
When to multiplexing PIN foot export 3.8V voltages, make when OTG plugs are inserted into multiplexing PIN foot ground connection；It does not insert when insertion ordinary plug or
When entering any plug, multiplexing PIN foot is hanging；The voltage value of operating mode control unit detection multiplexing PIN foot is to differentiate that insertion is set
Standby type.
4. in-built electrical pool electronic product as claimed in claim 3 uses electrical test circuit, it is characterised in that：The Working mould
Formula control unit has 1.8V power ends, OTG identifications end, diode（D501）, the 107th to the 111st resistance,
Wherein 1.8V power ends pass through the 107th resistance（R107）The anode and OTG for connecting diode identify end, the moon of diode
Pole connects the multiplexing PIN foot；The 108th resistance is concatenated between multiplexing PIN foot and ground（R108）With the 109th resistance
（R109）, the tie point of the 108th resistance and the 109th resistance connects the Enable Pin of the test switch；It is multiplexed PIN
The 110th resistance is concatenated between foot and ground（R110）With the 111st resistance（R111）, the 110th resistance and
The tie point of 111 resistance connects the Enable Pin of the battery powered switch；Test switch and battery powered switch use
Load switch；The Enable Pin high level of the test switch is effective, and the Enable Pin low level of the battery powered switch is effective.
5. in-built electrical pool electronic product as claimed in claim 4 uses electrical test circuit, it is characterised in that：The battery supplies
A delay capacitor is concatenated between the Enable Pin of electric switch and ground（C112）.
6. in-built electrical pool electronic product as claimed in claim 5 uses electrical test circuit, it is characterised in that：The multiplexing
Two-way TVS pipe is concatenated between PIN foot and ground（T111）.
7. in-built electrical pool electronic product as claimed in claim 6 uses electrical test circuit, it is characterised in that：The electronics production
It is lower margin that product interface, which uses Micro USB sockets, the 5th PIN foot, and the 4th PIN foot is the multiplexing PIN foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008327.7U CN207817043U (en) | 2018-01-03 | 2018-01-03 | In-built electrical pool electronic product uses electrical test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820008327.7U CN207817043U (en) | 2018-01-03 | 2018-01-03 | In-built electrical pool electronic product uses electrical test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207817043U true CN207817043U (en) | 2018-09-04 |
Family
ID=63329018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820008327.7U Withdrawn - After Issue CN207817043U (en) | 2018-01-03 | 2018-01-03 | In-built electrical pool electronic product uses electrical test circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207817043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942125A (en) * | 2018-01-03 | 2018-04-20 | 硕诺科技（深圳）有限公司 | In-built electrical pool electronic product uses electrical test circuit and its control method |
-
2018
- 2018-01-03 CN CN201820008327.7U patent/CN207817043U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942125A (en) * | 2018-01-03 | 2018-04-20 | 硕诺科技（深圳）有限公司 | In-built electrical pool electronic product uses electrical test circuit and its control method |
| CN107942125B (en) * | 2018-01-03 | 2024-04-16 | 英望科技(山东)有限公司 | Power utilization testing circuit of built-in battery type electronic product and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Two road 518000 Guangdong city of Shenzhen province Nanshan District Xili Kan industrial building D No. 11 501 Patentee after: INONE TECHNOLOGY (SHENZHEN) Co.,Ltd. Address before: Shenzhen Nanshan District City, Guangdong province 518000 Dengliang road hancon center 503 Patentee before: XOLO TECHNOLOGY (SHENZHEN) Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 253000 No. 6596, Dongfanghong East Road, Yuanqiao Town, economic and Technological Development Zone, De Zhou City, Shandong Province (e-n-303-46, Dezhou Zhongyuan science and technology innovation and entrepreneurship Park) Patentee after: Yingwang Technology (Shandong) Co.,Ltd. Address before: 518000 Room 501, building D, No. 11, Xili Dakan industrial Second Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: INONE TECHNOLOGY (SHENZHEN) Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180904 Effective date of abandoning: 20240416 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180904 Effective date of abandoning: 20240416 |