CN207518332U - A kind of audio port charging circuit for electronic auscultation device - Google Patents
A kind of audio port charging circuit for electronic auscultation device Download PDFInfo
- Publication number
- CN207518332U CN207518332U CN201721662561.3U CN201721662561U CN207518332U CN 207518332 U CN207518332 U CN 207518332U CN 201721662561 U CN201721662561 U CN 201721662561U CN 207518332 U CN207518332 U CN 207518332U
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- China
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- charging
- audio port
- module
- electronic auscultation
- auscultation device
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Abstract
The utility model provides a kind of audio port charging circuit for electronic auscultation device, it is characterised in that：Including audio port connector, switching switch, charging module and rechargeable battery；The switching switch includes changeover module one and changeover module two；The audio port connector is connect by changeover module one with charging module or electronic auscultation device, rechargeable battery is connect by changeover module two with charging module or electronic auscultation device, to realize that audio port connector, charging module and rechargeable battery form charging path either rechargeable battery, electronic auscultation device and audio port connector composition auscultation access.The charging circuit, without additionally increasing charging interface, can reduce stethoscopic overall volume by the use of audio port connector as charging interface.
Description
Technical field
The utility model is related to the field of medical instrument technology, more specifically to a kind of sound for electronic auscultation device
Frequency mouth charging circuit.
Background technology
Although new advanced medical instrument continues to bring out, stethoscope remains essential basic diagnosis apparatus.With
The development of internet+medical treatment and the propulsion for being classified diagnostic and therapeutic system construction, electronic auscultation device will gradually enter into family and community cures
Institute preferably plays its simple, practical and reliable advantage in tele-medicine.
The standard size of stethoscope diaphragm and the own characteristic of auscultation operation determine that the shape of electronic auscultation device is necessary
It is compact.Current electronic auscultation device existing on the market is often that rechargeable battery charges with USB interface.USB interface although small,
But for requiring for compact electronic auscultation device, no small space is still accounted for.
Utility model content
The purpose of the utility model is to overcome shortcoming and deficiency of the prior art, provide a kind of for electronic auscultation
Device, by the use of audio port connector as charging interface, small audio port charging circuit.
In order to achieve the above object, the utility model is achieved by following technical proposals：One kind is used for electronic auscultation
The audio port charging circuit of device, it is characterised in that：Including audio port connector, switching switch, charging module and rechargeable battery；Institute
It states switching switch and includes changeover module one and changeover module two；The audio port connector by changeover module one and charging module or
Electronic auscultation device connects, and rechargeable battery is connect by changeover module two with charging module or electronic auscultation device, to realize audio
Mouth connector, charging module and rechargeable battery composition charging path either rechargeable battery, electronic auscultation device and audio port connect
Head composition auscultation access.
The utility model charging circuit carries switching switch, charging path can be both switched to, directly using electronic auscultation
The audio port connector that device carries is filled as the input terminal with external power supply, follow-up connection charging module and rechargeable battery to realize
Electricity Functional；Can switch to auscultation access again is sequentially connected rechargeable battery, electronic auscultation device and audio port connector, and audio port connects
Head does not influence body sound acquisition function as signal output end；The utility model charging circuit is utilized what electronic auscultation device carried
Audio port connector is used as charging interface without additionally increasing charging interface, can reduce the volume of electronic auscultation device.
Preferably, the switching switch refers to double-point double-throw switch；The changeover module one refers to movable contact T1, stationary contact
T3 and stationary contact T4；Changeover module two refers to movable contact T2, stationary contact T5 and stationary contact T6；The audio port connector is by cutting
It changes component one and is connect with charging module or electronic auscultation device and referred to, movable contact T1 is connect with audio port connector, and stationary contact T3 is with filling
The signal output end of the input terminal connection of electric module, stationary contact T4 and electronic auscultation device connects；The rechargeable battery passes through
Changeover module two is connect with charging module or electronic auscultation device to be referred to, movable contact T2 is connect with rechargeable battery, stationary contact T5 with
The power input of the output terminal connection of charging module, stationary contact T6 and electronic auscultation device connects.Double-point double-throw switch can will be cut
Component one and changeover module two switching state simultaneously are changed, further improves property easy to use.
Preferably, the charging module includes sequentially connected voltage transformation unit, rectification filtering unit and Charge Management unit.
Preferably, the voltage transformation unit includes transformer U1；Rectification filtering unit is included by field-effect tube Q1, field-effect tube
The rectifier bridge and diode D1 and several shunt capacitances of Q2, field-effect tube Q3 and field-effect tube Q4 compositions；The Charge Management
Unit includes charging management chip U2, light emitting diode D2, resistance R1 and the resistance R2 of model LTC4054；The charging valve
The CHRG pins of reason chip U2 are connect by sequentially connected resistance R1 and light emitting diode D2 with rectification filtering unit；Charging valve
The PROG pins of reason chip U2 are grounded by resistance R2；The VCC pin of charging management chip U2 is connect with rectification filtering unit；It fills
The GND pin ground connection of electric managing chip U2；The BAT pins of charging management chip U2 are the output terminal of the charging module.Charging
Module can be stablized, be reliably achieved charge function.
Compared with prior art, the utility model has the following advantages that and advantageous effect：
1st, the utility model charging circuit be utilized the audio port connector that electronic auscultation device carries be used as charging interface and
Without additionally increasing charging interface, the volume of electronic auscultation device can be reduced；
2nd, the utility model charging circuit is easy to use, can stablize, be reliably achieved charge function.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model charging circuit；
Fig. 2 is the application schematic diagram of the utility model charging circuit；
Fig. 3 is the circuit diagram of charging module in the utility model charging circuit.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
As depicted in figs. 1 and 2, the present embodiment be used for electronic auscultation device audio port charging circuit, including audio port connector,
Switching switch, charging module and rechargeable battery.Switching switch refers to double-point double-throw switch, and double-point double-throw switch includes switch groups
Part one and changeover module two；Changeover module one refers to movable contact T1, stationary contact T3 and stationary contact T4；Changeover module two refers to dynamic touch
Point T2, stationary contact T5 and stationary contact T6.
Movable contact T1 is connect with audio port connector, the input terminal connection of stationary contact T3 and charging module, stationary contact T4 and electricity
The stethoscopic signal output end connection of son, so that audio port connector is connected by changeover module one and charging module or electronic auscultation device
It connects；Movable contact T2 is connect with rechargeable battery, the output terminal connection of stationary contact T5 and charging module, stationary contact T6 and electronic auscultation
The power input connection of device, so that rechargeable battery is connect by changeover module two with charging module or electronic auscultation device.
As the movable contact T1 connection stationary contact T3 of double-point double-throw switch, movable contact T2 connects stationary contact T5, audio simultaneously
Mouth connector, charging module and rechargeable battery composition charging path；Rechargeable battery disconnects the connection with electronic auscultation device, work
In charged state：Charging module input terminal Vin obtains electric energy by audio port connector, and passes through ut pairs of charging module output end vo
Rechargeable battery charges.
As the movable contact T1 connection stationary contact T4 of double-point double-throw switch K1, movable contact T2 connects stationary contact T6 simultaneously, can
Rechargeable battery, electronic auscultation device and audio port connector composition auscultation access.Rechargeable battery disconnects the connection with charging module, work
Make in auscultation state：Rechargeable battery is powered for electronic auscultation device, and body sound signal is exported by electronic auscultation device signal output end
To audio port connector.
The utility model charging circuit carries switching switch, charging path can be both switched to, directly using electronic auscultation
The audio port connector that device carries is filled as the input terminal with external power supply, follow-up connection charging module and rechargeable battery to realize
Electricity Functional；Can switch to auscultation access again is sequentially connected rechargeable battery, electronic auscultation device and audio port connector, and audio port connects
Head does not influence auscultation function as signal output end；The audio that electronic auscultation device carries is utilized in the utility model charging circuit
Mouth connector is used as charging interface without additionally increasing charging interface, can reduce the volume of electronic auscultation device.Double-pole double throw is opened
Property easy to use can be further improved by changeover module one and changeover module two while switching state by closing.Charging module can be used
Charging module existing on the market, suitable for lithium battery.
Embodiment two
The present embodiment for electronic auscultation device audio port charging circuit and embodiment one difference lies in：The present embodiment
In, charging module includes sequentially connected voltage transformation unit, rectification filtering unit and Charge Management unit, as shown in Figure 3.Transformation list
Member includes transformer U1；Rectification filtering unit is included by field-effect tube Q1, field-effect tube Q2, field-effect tube Q3 and field-effect tube Q4
The rectifier bridge and diode D1 of composition and several shunt capacitances；Charge Management unit includes the charging valve of model LTC4054
Manage chip U2, light emitting diode D2, resistance R1 and resistance R2；The CHRG pins of charging management chip U2 pass through sequentially connected electricity
Resistance R1 and light emitting diode D2 is connect with rectification filtering unit；The PROG pins of charging management chip U2 are grounded by resistance R2；
The VCC pin of charging management chip U2 is connect with rectification filtering unit；The GND pin ground connection of charging management chip U2；Charging valve
The BAT pins for managing chip U2 are the output terminal of charging module.Charging module can be stablized, be reliably achieved charge function.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model are modified, are replaced
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (4)
1. a kind of audio port charging circuit for electronic auscultation device, it is characterised in that：Including audio port connector, switching switch,
Charging module and rechargeable battery；The switching switch includes changeover module one and changeover module two；The audio port connector leads to
It crosses changeover module one to connect with charging module or electronic auscultation device, rechargeable battery passes through changeover module two and charging module or electricity
Sub- stethoscope connection, to realize that audio port connector, charging module and rechargeable battery form charging path either chargeable electricity
Pond, electronic auscultation device and audio port connector composition auscultation access.
2. the audio port charging circuit according to claim 1 for electronic auscultation device, it is characterised in that：The switching is opened
Pass refers to double-point double-throw switch；The changeover module one refers to movable contact T1, stationary contact T3 and stationary contact T4；Changeover module second is that
Refer to movable contact T2, stationary contact T5 and stationary contact T6；The audio port connector passes through changeover module one and charging module or electronics
Stethoscope connection refers to that movable contact T1 is connect with audio port connector, the input terminal connection of stationary contact T3 and charging module, stationary contact
The signal output end of T4 and electronic auscultation device connects；The rechargeable battery passes through changeover module two and charging module or electronics
Stethoscope connection refers to that movable contact T2 is connect with rechargeable battery, the output terminal connection of stationary contact T5 and charging module, stationary contact
The power input of T6 and electronic auscultation device connects.
3. the audio port charging circuit according to claim 1 for electronic auscultation device, it is characterised in that：The charging mould
Block includes sequentially connected voltage transformation unit, rectification filtering unit and Charge Management unit.
4. the audio port charging circuit according to claim 3 for electronic auscultation device, it is characterised in that：The transformation list
Member includes transformer U1；Rectification filtering unit is included by field-effect tube Q1, field-effect tube Q2, field-effect tube Q3 and field-effect tube Q4
The rectifier bridge and diode D1 of composition and several shunt capacitances；The Charge Management unit includes filling for model LTC4054
Electric managing chip U2, light emitting diode D2, resistance R1 and resistance R2；The CHRG pins of the charging management chip U2 pass through successively
The resistance R1 and light emitting diode D2 of connection are connect with rectification filtering unit；The PROG pins of charging management chip U2 pass through resistance
R2 is grounded；The VCC pin of charging management chip U2 is connect with rectification filtering unit；The GND pin ground connection of charging management chip U2；
The BAT pins of charging management chip U2 are the output terminal of the charging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662561.3U CN207518332U (en) | 2017-12-04 | 2017-12-04 | A kind of audio port charging circuit for electronic auscultation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721662561.3U CN207518332U (en) | 2017-12-04 | 2017-12-04 | A kind of audio port charging circuit for electronic auscultation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207518332U true CN207518332U (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721662561.3U Active CN207518332U (en) | 2017-12-04 | 2017-12-04 | A kind of audio port charging circuit for electronic auscultation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207518332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784733A (en) * | 2018-06-28 | 2018-11-13 | 上海掌门科技有限公司 | auscultation system and method |
-
2017
- 2017-12-04 CN CN201721662561.3U patent/CN207518332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784733A (en) * | 2018-06-28 | 2018-11-13 | 上海掌门科技有限公司 | auscultation system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181023 Address after: 510640 Guangdong, Guangzhou, Tianhe District five mountain road 381, Chinese workers east one set six houses 407 Co-patentee after: Guangzhou South China University of Technology science and Technology Park Co., Ltd. Patentee after: Tian Xiang Address before: 511458 Guangdong, Guangzhou, Nansha District, 25 South Road, South China Road, Guangzhou, China Patentee before: South China University of Technology |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181130 Address after: 528313 Shunlian Machinery City, 18 Xingye Road, Guanglong Industrial Park, Chencun Town, Shunde District, Foshan City, Guangdong Province, 22 413A Patentee after: Foshan Baibu Tier Medical Technology Co., Ltd. Address before: 510640 Guangdong, Guangzhou, Tianhe District five mountain road 381, Chinese workers east one set six houses 407 Co-patentee before: Guangzhou South China University of Technology science and Technology Park Co., Ltd. Patentee before: Tian Xiang |
|
| TR01 | Transfer of patent right |