CN206790156U - Power supply circuit and contact lenses cleaning appts - Google Patents
Power supply circuit and contact lenses cleaning appts Download PDFInfo
- Publication number
- CN206790156U CN206790156U CN201720503795.7U CN201720503795U CN206790156U CN 206790156 U CN206790156 U CN 206790156U CN 201720503795 U CN201720503795 U CN 201720503795U CN 206790156 U CN206790156 U CN 206790156U
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- Prior art keywords
- circuit
- power supply
- charging
- controller
- supply circuit
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Abstract
The utility model provides a kind of power supply circuit and contact lenses cleaning appts, is related to field of circuit technology, wherein, power supply circuit includes：Charging circuit, storing up electricity circuit and controller；The input of controller is connected with charging circuit output end, to control charging circuit to work；The input of charging circuit is used to connect external power supply, is charged with receiving outer power voltage；The output end of charging circuit is also connected with storing up electricity circuit, and the electricity of charging is stored in storing up electricity circuit；The output end of controller is used to connect battery spring seat.By the power supply circuit, contact lenses cleaning appts in the prior art can be alleviated and be often suitable only for using at home, can not meet the problem of the needs of cleaning contact lenses when user is outgoing.
Description
Technical field
Field of circuit technology is the utility model is related to, more particularly, to a kind of power supply circuit and contact lenses cleaning appts.
Background technology
To take attractive in appearance and action convenience into account, increasing myopia population starts contact lens wear.It is but stealthy
The time of lens wear too long when, cornea easily has the phenomenon of anoxic, and causes the injury of cornea, therefore, works as stealth
After the lens wear regular hour, it is necessary to cleaned, for reusing.
The traditional cleaning way of contact lenses is rubbed with hand, and many people are because application method is improper and nail is oversize, warp
Often result in eyeglass damage；Because finger has impurity in cleaning process, often feel to be difficult thoroughly to clean up.In such case
Under, contact lenses cleaning appts arise at the historic moment.
Built-in power supply circuit in contact lens cleaning device, to provide supply voltage to contact lens cleaning device, so that its
Realize the cleaning function to contact lenses.But existing power supply circuit is often suitable only for using at home, can not meet user
The demand of cleaning contact lenses when outgoing.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of power supply circuit and contact lenses cleaning appts, can
Alleviate contact lenses cleaning appts power supply circuit in the prior art to be often suitable only for using at home, can not meet clear when user is outgoing
The problem of washing the demand of contact lenses.
In a first aspect, the utility model embodiment provides a kind of power supply circuit, including：Charging circuit, storing up electricity circuit with
And controller；
The input of controller is connected with charging circuit output end, to control charging circuit to work；
The input of charging circuit is used to connect external power supply, is charged with receiving outer power voltage；
The output end of charging circuit is also connected with storing up electricity circuit, and the electricity of charging is stored in storing up electricity circuit；
The output end of controller is used to connect battery spring seat.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, charging circuit specifically includes：Charging chip, charged state display circuit；
The input of charging chip is used to connect external power supply, is charged with receiving outer power voltage；Charged state
Display circuit is connected with charging chip, to realize the charging indication function of charging circuit.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, in addition to：Power input interface circuit；
The input of charging circuit connects external power supply by power input interface circuit；
The input of power input interface circuit is connected with USB data line；
The output end of power input interface circuit and the input of charging circuit connect.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, in addition to working condition display circuit；
Working condition display circuit is connected with controller, to show the working condition of power supply circuit.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, in addition to：Buzz circuit, to prompt the working condition of power supply circuit；
Buzz circuit includes：Buzzer drive circuit and buzzer；
Buzzer is connected by buzzer drive circuit with controller.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, in addition to：Firmware programs circuit；
Firmware programs circuit is connected with controller, to carry out firmware download and data interaction.
With reference in a first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, its
In, in addition to：Button inputting circuits；
Button inputting circuits are connected with controller, to control the working condition of controller；Working condition includes：Charge shape
State, stop charged state, resting state.
With reference in a first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, its
In, controller is STC15W204s single-chip microcomputers.
With reference in a first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect, its
In, power input interface circuit is on-board mini USB interface.
Second aspect, the utility model provide a kind of contact lenses cleaning appts, including：On-board spring loaded contact probe with
And power supply circuit as described in relation to the first aspect；
On-board spring loaded contact probe is connected with the battery spring seat in power supply circuit.
The technical scheme that the utility model embodiment provides brings following beneficial effect：The utility model embodiment is carried
Include for power supply circuit：Charging circuit, storing up electricity circuit and controller；Wherein, the input of controller exports with charging circuit
End connection, to control charging circuit to work；The input of charging circuit is used to connect external power supply, to receive outer power voltage
Charged；The output end of charging circuit is also connected with storing up electricity circuit, and the electricity of charging is stored in storing up electricity circuit；Control
The output end of device is used to connect battery spring seat.In the power supply circuit that the utility model embodiment is provided, controller control is filled
Circuit works, so that charging circuit is charged by connected external power supply, and charge capacity is stored in into storing up electricity
In circuit, in case of need.When user goes out, can be coordinated by controller in the power supply circuit and battery spring seat
The voltage of output is operated cleaning appts, alleviates and is often suitable only for using at home in the prior art, can not meet user
When outgoing the problem of the demand of cleaning contact lenses.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram for power supply circuit that the utility model embodiment one provides；
Fig. 2 is a kind of schematic diagram for power supply circuit that the utility model embodiment two provides；
Fig. 3 is the circuit of the charging circuit in a kind of power supply circuit that the utility model embodiment two provides and storing up electricity circuit
Figure；
Fig. 4 is the partial circuit diagram in a kind of power supply circuit that the utility model embodiment two provides；
Fig. 5 is the circuit of the power input interface circuit in a kind of power supply circuit that the utility model embodiment two provides
Figure；
Fig. 6 is a kind of schematic diagram for contact lenses cleaning appts that the utility model embodiment three provides.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
It is often suitable only for using at home in view of existing contact lenses cleaning appts power supply circuit, can not meets with open air
The demand of cleaning contact lenses when going out.Based on this, the utility model embodiment provides a kind of power supply circuit and contact lenses
Cleaning appts, contact lenses cleaning appts power supply circuit in the prior art can be alleviated and be often suitable only for using at home, can not be met
When user is outgoing the problem of the demand of cleaning contact lenses.
Embodiment one：
The utility model embodiment provides a kind of power supply circuit, and shown in Figure 1, the power supply circuit includes：Charging circuit
11st, storing up electricity circuit 12, controller 13 and battery spring seat 14.
Wherein, the input of controller 13 is connected with the output end of charging circuit 11, to control charging circuit 11 to work；Charging
The input of circuit 11 is used to connect external power supply, is charged with receiving outer power voltage；The output end of charging circuit 11
Also it is connected with storing up electricity circuit 12, the electricity of charging is stored in storing up electricity circuit 12；The output end of controller 13 is used to connect
Battery spring seat 14.
When specific implementation, controller 13 controls charging circuit 11 to work, so that charging circuit 11 with it by connecting
The external power supply connect is charged, and charge capacity is stored in storing up electricity circuit 12, in case of need.When user goes out
When, by controller 13 in the power supply circuit and battery spring seat 14 voltage of output can be coordinated to make contact lenses cleaning appts
It is operated, alleviates usual contact lenses cleaning appts in the prior art and be only suitable for using at home, can not meet that user goes out
When cleaning contact lenses demand the problem of.
Embodiment two：
The utility model embodiment provides a kind of power supply circuit, and referring to shown in Fig. 2, Fig. 3, Fig. 4, the power supply circuit includes：
Power input interface circuit 21, charging circuit 22, storing up electricity circuit 23, controller 24, working condition display circuit 25, firmware programs
Circuit 26, buzz circuit 27, button inputting circuits 28 and battery spring seat 29.
As a kind of preferred embodiment, the controller 24 in the utility model embodiment is STC15W204s single-chip microcomputer controls
Coremaking piece, charging circuit 22 specifically include：Charging chip 221 and charged state display circuit 222, charging chip 221 are
TP4056 chargers.
Specifically, the 2nd pin of control chip is connected with the 5th pin of charging chip 221, to control the work of charging circuit 22
Make；4th pin of charging chip 221 and the 8th pin connection external power supply, are charged with receiving outer power voltage；Charging
5th pin of chip 221 is also connected with storing up electricity circuit 23, and the electricity of charging is stored in storing up electricity circuit 23；Control chip
After 221 the 7th pin connection resistance R7, battery spring seat 29 (J2 in such as Fig. 4) is reconnected.
When specific implementation, control chip control charging chip 221 works, so that charging circuit 22 with it by connecting
The external power supply connect is charged, and charge capacity is stored in storing up electricity circuit 23, in case of need.When user goes out
When, by control chip in the power supply circuit and battery spring seat 29 voltage of output can be coordinated to make contact lenses cleaning appts
It is operated, alleviates usual contact lenses cleaning appts in the prior art and be only suitable for using at home, can not meet that user goes out
When cleaning contact lenses demand the problem of.
In addition, the input of charging chip 221 is used to connect external power supply, charged with receiving outer power voltage；
Charged state display circuit 222 is connected with charging chip 221, to realize the charging indication function of charging circuit 22.
In the utility model embodiment, charging chip 221 is TP4056 chargers.TP4056 is a complete single-unit
Lithium ion battery uses the linear charger of constant current/constant voltage, the gelled SOP8 encapsulation of its bottom belt with it is less
Outer member number causes it to turn into the ideal chose of portable use.TP2056 can be adapted to USB power source and adaptor power supplies
Work.
As a result of internal PMOSFET frameworks, plus anti-down charging circuit, so need not outside isolating diode.Heat
Feedback can automatically adjust to charging current, to be subject under the conditions of high-power operation or high environment temperature to chip temperature
Limitation.Charging voltage is fixed on 4.2V, and charging current can carry out outside setting by a resistor, when charging current up to
When being down to setting value 1/10 after to final float charge voltage, TP2056 will terminate charging cycle automatically.
When external input voltage is taken away, battery leakage current is down to 2 by TP2056 automatically into a low current condition
Below μ A.TP2056 can also be placed in shutdown mode when there is power supply, so as to which supply current to be down to 55 μ A, TP2056 other spies
Point include battery temperature detection, undervoltage lockout, it is automatic fill again and two be used to indicating charging, the LED state pins of end.
In the utility model embodiment, charging circuit 22 applies TP2056, therefore can realize to storing up electricity circuit 23,
That is J4 points of two or more important stage of lithium battery is charged, and is specially：Constant-current charge, when battery electric quantity is relatively low, with constant
High current lithium battery is charged, and constant current be no more than lithium battery maximum charging current；Constant-voltage charge, in battery
When electricity is close full electric, charged with constant voltage, constant voltage is no more than the maximum charging voltage of lithium battery.
For TP2056 chargers, the utility model embodiment devises supporting charged state display circuit 222, and this fills
Electricity condition display circuit 222 includes：Light emitting diode D1, D2, resistance R1, R2.Shown in Figure 3, specific connected mode is such as
Under：
The 7th pin connection resistance R1 of charging chip 221 one end, resistance R1 other end connecting luminous diode D1's
Negative electrode；The 6th pin connection resistance R2 of charging chip 221 one end, resistance R2 other end connecting luminous diode D2 the moon
Pole；Light emitting diode D1 and light emitting diode D2 anode are all connected with the 4th pin and the 8th pin of charging chip 221, as filling
The input of circuit 22.The 2nd pin connection resistance R3 of charging chip 221 one end, resistance R3 other end ground connection.
The charged state display circuit 222 is mainly realized by dichromatic LED D1, D2, when charging circuit 22 is in non-
Under charged state, bi-colour LED is in OFF state, when charging circuit 22 is in charging and underfill state, bi-colour LED
A light emitting diode light, when charging circuit 22 be in be full of electricity condition, another light emitting diode of bi-colour LED
Light.By the charged state display circuit 222, situation about charging can be intuitively shown to user.
In the utility model embodiment, in addition to：Power input interface circuit 21.
The input of charging circuit 22 connects external power supply by power input interface circuit 21；Power input interface circuit
21 input is connected with USB data line；The output end of power input interface circuit 21 is connected with the input of charging circuit 22.
As a kind of preferred embodiment, the power input interface circuit 21 is on-board mini USB interface, as shown in figure 5, user can be with
Power supply circuit is charged with general USB data line or USB charging wires.
In the utility model embodiment, power supply circuit also includes working condition display circuit 25, buzz circuit 27, firmware
Programmed circuit 26, button inputting circuits 28.
Specifically, working condition display circuit 25 is connected with controller 24, to show the working condition of power supply circuit.Buzzing
Circuit 27, for prompting the working condition of power supply circuit；Buzz circuit 27 includes：Buzzer drive circuit 271 and buzzer
272；Buzzer 272 is connected by buzzer drive circuit 271 with controller 24.Firmware programs circuit 26 connects with controller 24
Connect, to carry out firmware download and data interaction.Button inputting circuits 28 are connected with controller 24, to control the work of controller 24
State；Working condition includes：Charged state, stop charged state, resting state.
As a kind of preferred embodiment, the controller 24 in the utility model embodiment is STC15W204s single-chip microcomputer controls
Coremaking piece.Shown in Figure 4, specific circuit connecting mode is as follows：
Working condition display circuit 25 includes：Light emitting diode D3, resistance R4；Resistance R4 one end connection control chip
1st pin, other end connecting luminous diode D3 anode；Light emitting diode D3 minus earth.
When power supply circuit is in normal working condition, the light emitting diode in the working condition display circuit 25 becomes
Bright, when power supply circuit is stopped, the light emitting diode extinguishes, thus can remind the work of user's power supply circuit exactly
Make state.
Buzzer drive circuit 271 specifically includes：Resistance R5 and triode Q1；Resistance R5 one end connection single-chip microcomputer control
3rd pin of coremaking piece, other end connecting triode Q1 base stage；Triode Q1 grounded emitter, colelctor electrode connection buzzing
2nd pin of device 272；The 1st pin connection resistance R6 of buzzer 272 one end, resistance R6 other end connection single-chip microcomputer control
2nd pin of coremaking piece.
Buzzer drive circuit 271 and buzzer 272, buzz circuit 27 is formed, is controlled by square wave and drives passive honeybee
Ring device 272 sends predetermined sound, the state of indicating circuit work.
3rd pin of firmware programs circuit 26 and the 5th pin of control chip connect；Draw the 4th of firmware programs circuit 26
6th pin of pin and control chip connects.The peculiar DLL of application control chip, production can very easily pass through firmware
Programmed circuit 26 carries out firmware download and data interaction to control chip.
Button inputting circuits 28 are key switch S1, and its one end connects the 8th pin of control chip, and other end ground connection should
With the special pin of the interrupting input of control chip, realize that key control circuit work functions and triggering wake up control chip dormancy mould
Formula function.
The various voltage ranges of power supply circuit are as follows in the utility model embodiment：
Operating voltage range 3.3V~4.2V；External input voltage scope 4.2V~5.5V；Battery saving mode voltage range
2.5V~4.2V；Under-voltage protection voltage range 2.5V~3.3V.
In the power supply circuit that the utility model embodiment is provided, onboard lithium battery storing up electricity circuit 23 is configured with, logical
Overcharge circuit 22 to its it is fully charged in the case of, user can carry with, and just can be repeatedly cleaning appts without externally fed
Power supply, user is easily carried out the cleaning process of contact lenses with contact lenses cleaning appts when going out, substantially increase use
Experience at family.
Embodiment three：
The utility model embodiment also provides a kind of contact lenses cleaning appts, shown in Figure 6, the contact lenses cleaning appts
Including：Power supply circuit 32 described in on-board spring loaded contact probe 31 and any of the above-described embodiment；Wherein, on-board elastic connecting
Feeler inspection pin 31 is connected with the battery spring seat 321 in the power supply circuit 32.
The specific work process of power supply circuit 32 in the utility model embodiment is same as the previously described embodiments, refers to
Embodiment is stated, will not be repeated here.
The contact lenses cleaning appts that the utility model embodiment provides, have with the power supply circuit that above-described embodiment is provided
Identical technical characteristic, so can also solve identical technical problem, reach identical technique effect.
In the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail embodiment, it will be understood by those within the art that：It is any to be familiar with this skill
For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment
Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic；And these modifications,
Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
The protection domain asked is defined.
Claims (10)
- A kind of 1. power supply circuit, it is characterised in that including：Charging circuit, storing up electricity circuit and controller；The input of the controller is connected with the charging circuit output end, to control the charging circuit to work；The input of the charging circuit is used to connect external power supply, is charged with receiving outer power voltage；The output end of the charging circuit is also connected with the storing up electricity circuit, and the electricity of charging is stored in into the storing up electricity circuit In；The output end of the controller is used to connect battery spring seat.
- 2. power supply circuit according to claim 1, it is characterised in that the charging circuit specifically includes：Charging chip, fill Electricity condition display circuit；The input of the charging chip is used to connect external power supply, is charged with receiving outer power voltage；The charged state display circuit is connected with the charging chip, to realize the charging indication function of the charging circuit.
- 3. power supply circuit according to claim 2, it is characterised in that also include：Power input interface circuit；The input of the charging circuit connects external power supply by the power input interface circuit；The input of the power input interface circuit is connected with USB data line；The output end of the power input interface circuit is connected with the input of the charging circuit.
- 4. power supply circuit according to claim 3, it is characterised in that also including working condition display circuit；The working condition display circuit is connected with the controller, to show the working condition of the power supply circuit.
- 5. power supply circuit according to claim 4, it is characterised in that also include：Buzz circuit, to prompt the power supply electricity The working condition on road；The buzz circuit includes：Buzzer drive circuit and buzzer；The buzzer is connected by the buzzer drive circuit with the controller.
- 6. power supply circuit according to claim 5, it is characterised in that also include：Firmware programs circuit；The firmware programs circuit is connected with the controller, to carry out firmware download and data interaction.
- 7. power supply circuit according to claim 6, it is characterised in that also include：Button inputting circuits；The button inputting circuits are connected with the controller, to control the working condition of the controller；The working condition Including：Charged state, stop charged state, resting state.
- 8. power supply circuit according to claim 2, it is characterised in that the controller is STC15W204s single-chip microcomputers.
- 9. power supply circuit according to claim 3, it is characterised in that the power input interface circuit is that on-board is mini USB interface.
- A kind of 10. contact lenses cleaning appts, it is characterised in that including：On-board spring loaded contact probe and such as claim 1-9 Power supply circuit described in any one；The on-board spring loaded contact probe is connected with the battery spring seat in the power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503795.7U CN206790156U (en) | 2017-05-08 | 2017-05-08 | Power supply circuit and contact lenses cleaning appts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720503795.7U CN206790156U (en) | 2017-05-08 | 2017-05-08 | Power supply circuit and contact lenses cleaning appts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206790156U true CN206790156U (en) | 2017-12-22 |
Family
ID=60710591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720503795.7U Expired - Fee Related CN206790156U (en) | 2017-05-08 | 2017-05-08 | Power supply circuit and contact lenses cleaning appts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206790156U (en) |
-
2017
- 2017-05-08 CN CN201720503795.7U patent/CN206790156U/en not_active Expired - Fee Related
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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: 20171222 Termination date: 20200508 |