CN206820494U - A kind of charging wire of charging wire electric quantity indicating device and powered amount instruction - Google Patents
A kind of charging wire of charging wire electric quantity indicating device and powered amount instruction Download PDFInfo
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- CN206820494U CN206820494U CN201720432067.1U CN201720432067U CN206820494U CN 206820494 U CN206820494 U CN 206820494U CN 201720432067 U CN201720432067 U CN 201720432067U CN 206820494 U CN206820494 U CN 206820494U
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- electric quantity
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Abstract
The utility model discloses a kind of charging wire electric quantity indicating device and the charging wire of powered amount instruction, the electric quantity indicating device includes cell voltage sampler, voltage comparator device and electric quantity display device, the cell voltage sampler is independently arranged on the cradle of internal battery, will be drawn outside the voltage of the internal battery；The cell voltage sampler includes the built-in connection end being connected with the electrode of internal battery and the cell voltage being arranged on the cradle obtains end；The voltage comparator device and the electric quantity display device are integrally installed, can be with the cell voltage sampler socket connection；During grafting, the voltage comparator device obtains end lotus root with the cell voltage by the cradle and connect；The electric quantity display device is connected with voltage comparator device, and the electricity of the internal battery is indicated.The utility model when fixing electric quantity display device in no position, can show battery electric quantity for the product of internal battery.
Description
Technical field
Battery capacity indication field is the utility model is related to, is referred to more particularly to a kind of charging wire electric quantity indicating device and carried charge
The charging wire shown.
Background technology
As long as being related to internal battery product at present, battery electric quantity, which is shown, to be all integrated in product sheet, still, some productions
Product, according to the design needs, the position of electric quantity indicating device can be placed without place, now, to show battery electric quantity, can only borrow
Outside device is helped to realize it.
The disclosure of background above technology contents is only used for auxiliary and understands design of the present utility model and technical scheme, and it is not
The prior art of present patent application is necessarily belonged to, shows the applying date of the above in present patent application in no tangible proof
In the case of disclosed, above-mentioned background technology should not be taken to evaluate the novelty and creativeness of the application.
Utility model content
The utility model purpose is to propose one kind, to solve the production of some internal batteries existing for above-mentioned prior art
Product, when fixing electric quantity display device in no position, the technical problem of battery electric quantity can not be shown.
Therefore, the utility model proposes a kind of charging wire electric quantity indicating device, including cell voltage sampler, voltage ratio
Compared with device and electric quantity display device, the cell voltage sampler is independently arranged on the cradle of internal battery, by institute
State and draw outside the voltage of internal battery；The cell voltage sampler includes the built-in connection end being connected with the electrode of internal battery
End is obtained with the cell voltage being arranged on the cradle；The voltage comparator device and the electric quantity display device are integral
Installation, can be with the cell voltage sampler socket connection；During grafting, the voltage comparator device by the cradle with
The cell voltage obtains end lotus root and connect；The electric quantity display device is connected with voltage comparator device, to the electricity of the internal battery
Amount is indicated.
Preferably, the voltage comparator device includes socket connection end, and the socket connection end is obtained with the cell voltage
Take end to be connected, socket connection end is provided with voltage regulation unit.
Preferably, the electric quantity display device includes LED indicating members, and the LED indicating members include aobvious for being classified
The multiple LEDs being connected in parallel to each other shown.
Preferably, the voltage comparator device includes comparing unit, and the comparing unit includes being used to be classified that compared
This multiple comparator in parallel；The output end of the comparator is connected with the LED；The first of the comparator compare end with
The socket connection end is connected.
Preferably, the voltage comparator device includes partial pressure unit, the partial pressure unit include for Multilevel partial-pressure that
Multiple divider resistances of this series connection；The input of the partial pressure unit is connected with the output end of the voltage regulation unit；The partial pressure
The output end of resistance is held compared with the first of the comparator to be connected.
In addition, the utility model additionally provides a kind of charging wire of powered amount instruction, including charging wire body, and it is arranged on
As above any described voltage comparator device and the electric quantity display device on the charging wire body.
Preferably, the charging wire body includes the first joint and the second joint, and connection first joint and the
The connecting line of two joints, the voltage comparator device and the electric quantity display device are arranged on first joint by pcb board
Or on second joint.
Preferably, the LED of the electric quantity display device exposes to first joint or second joint.
Preferably, the LED of the electric quantity display device is embedded in first joint or second joint, described
Connecting line is provided with light pipe, and the light pipe is connected with the LED.
Preferably, first joint is USB joint or lightning joints.
The beneficial effect that the utility model is compared with the prior art includes：The utility model for internal battery product,
When fixing electric quantity display device in no position, battery electric quantity can be shown, electric quantity indicating device of the present utility model turns without AD
Parallel operation, MCU components, it is possible to realize the instruction of electricity, cost is low, and reliability is high；Product is shown in no electricity, by outer
The charging wire in portion can realize the instruction of electricity.
Brief description of the drawings
Fig. 1 is the electric quantity indicating device block diagram of the utility model embodiment one.
Fig. 2 is the electric quantity indicating device schematic diagram of the utility model embodiment one.
Fig. 3 is the circuit diagram of the electric quantity indicating device of the utility model embodiment one.
Fig. 4 is the charging wire schematic diagram one of the utility model embodiment one.
Fig. 5 is the charging wire schematic diagram two of the utility model embodiment one.
Fig. 6 is the charging wire schematic diagram three of the utility model embodiment one.
Embodiment
It is the accurate definition for the technical term that hereinafter will appear from below for ease of accurate understanding：
With reference to embodiment and compare accompanying drawing the utility model is described in further detail.It should be emphasized that
It is, what the description below was merely exemplary, rather than in order to limit the scope of the utility model and its application.
With reference to the following drawings, non-limiting and nonexcludability embodiment will be described, wherein identical reference represents
Identical part, unless stated otherwise.
Embodiment one：
In the present embodiment, there is provided a kind of charging wire electric quantity indicating device, as shown in figure 1, including cell voltage sample fill
Put 1, voltage comparator device 2 and electric quantity display device 3；
The either product of which internal battery charging, can all there is cell-charging seat, the present apparatus is exactly that CB common battery fills
Electric seat (commonly utilizing MICRO-USB seats), the both positive and negative polarity of battery is directly drawn into and then the charging in outside from cradle
Battery capacity indication is carried out on line.
Cell voltage sampler 1 as shown in Figure 2 is independently arranged on the cradle 5 of internal battery 4, by internal battery
Draw outside 4 voltage；Cell voltage sampler 1 includes the built-in connection end being connected with the electrode of internal battery 4 and is arranged on to fill
Cell voltage on electric seat 5 obtains end 6；
As shown in Fig. 2 voltage comparator device 2 and electric quantity display device 3 are integrally installed, can be with cell voltage sampler
1 socket connection；During grafting, voltage comparator device 2 obtains the lotus root of end 6 with cell voltage by cradle 5 and connect；Electric quantity display device 3
It is connected with voltage comparator device 2, the electricity of internal battery 4 is indicated.
As shown in figure 3, it is the circuit diagram of electric quantity indicating device, as shown in FIG., when the grafting of cell voltage sampler 1 connects
After connecing, the socket connection end of voltage comparator device 2 obtains the lotus root of end 6 with cell voltage by cradle 5 and connect, voltage comparator device 2
It is provided with voltage regulation unit 21 (stable-pressure device i.e. in figure) at socket connection end, stable-pressure device is stable at certain by the battery of battery
On individual magnitude of voltage, voltage regulation unit 21 can be voltage-stablizer, voltage-regulator diode etc..
The output end of voltage regulation unit 21 is connected with partial pressure unit 22, and partial pressure unit 22 includes the string each other for Multilevel partial-pressure
Multiple divider resistances of connection；The input of partial pressure unit 22 is connected with the output end of voltage regulation unit 21；The output end of divider resistance
Hold and be connected compared with the first of the comparator, in the present embodiment, divider resistance includes the first divider resistance R5, the second partial pressure electricity
R6, the 3rd divider resistance R7, the 4th divider resistance R8, the 5th divider resistance R9 are hindered, by above-mentioned 5 resistance, to voltage regulation unit
The voltage of 21 outputs carries out level Four partial pressure.
What is be connected with partial pressure unit 22 also has comparing unit 23, and comparing unit 23 carries out 4 grades of samplings to cell voltage, the
Between one divider resistance R5 and the second divider resistance R6, i.e., the first divider resistance R5 1 end or the second divider resistance R6 2 ends connect
Then the second of first comparator U1-A compares end；Between the second divider resistance R6 and the 3rd divider resistance R7, i.e., second point
Piezoresistance R6 1 end or the 3rd divider resistance R7 2 ends are connected to the second of the second comparator U1-B and compare end；In the 3rd partial pressure
Between resistance R7 and the 4th divider resistance R8, i.e., the 3rd divider resistance R7 1 end or the 4th divider resistance R8 2 ends are connected to
The second of three comparator U1-C compares end；Between the 4th divider resistance R8 and the 5th divider resistance R8, i.e. the 4th divider resistance
R8 1 end or the 5th divider resistance R8 2 ends are connected to the second of the 4th comparator U1-D and compare end.In some of the present embodiment
In alternative embodiments, the number of the divider resistance of partial pressure unit 22 can be configured according to actual conditions, each divider resistance that
This partial pressure is arranged in series.
First comparator, the second comparator, the 3rd comparator, the first of the 4th comparator compare end and socket connection end phase
Even.Be connected in parallel to each other setting between each comparator.Electric quantity display device 3 is connected with the output end of comparing unit 23；Such as Fig. 3 institutes
Show, 4 ends, 6 ends of the second comparator, 8 ends of the 3rd comparator, 10 ends of the 4th comparator of first comparator are compared for second
End；5 ends, 7 ends of the second comparator, 9 ends of the 3rd comparator, 11 ends of the 4th comparator of first comparator are compared for first
End.
Electric quantity display device 3 includes LED indicating members 31, LED indicating members 31 include for classification display each other simultaneously
Multiple LEDs of connection.In the present embodiment, LED is provided with four, including the first LED D1, the second LED D2, the 3rd LED
D3 and the 4th LED D4；In some alternative embodiments of the present embodiment, the number of the LED of LED indicating members 31 can root
It is configured according to actual conditions；LED indicating members 31 also include resistance R1, R2, R3 and R4, resistance R1 1 end and first simultaneously
2 ends of comparator are connected, and resistance R2 1 end is connected with 1 end of the second comparator, resistance R3 1 end and the 14 of the 3rd comparator
End is connected, and resistance R4 1 end is connected with 13 ends of the 3rd comparator.Resistance R1, R2, R3 and R4 2 ends and the K ends of LED connect
Connect, the A ends ground connection of LED.
Cell voltage sampler 1：Internal battery 4, charging socket, i.e., the voltage of battery is drawn out to from interiors of products
Outside carries out corresponding display processing.
Voltage comparator device 2：Including voltage regulation unit 21, comparing unit 23, pcb board；All circuits of this element are all integrated
On a pcb board, wherein, voltage regulation unit 21 is stable on some voltage by the battery of battery, such as：5V；Comparing unit
23 be by cell voltage, samples into 4 grades, i.e., electricity 20% 50% 75% 100%；Voltage corresponding to this 4 grades, it is respectively：
2.8V, 3.3V, 3.8V, 4.1V, from lighting corresponding LED.
Electric quantity display device 3：Show 4 sections of electricity (of course, it is possible to showing more multistage)；Shown from charging wire.
The displaying principle and method of 4 sections of electricity：
According to schematic diagram, it is known that when cell voltage is 2.8V, D4 can be lighted；When cell voltage is 3.3V,
D3, D4 can be lighted；When cell voltage is 3.8V, D2, D3, D4 can be lighted；When cell voltage is 4.1V, D1, D2, D3, D4
It can light；
The obtaining value method of divider resistance：
R9 obtaining value method：R9/ (R5+R6+R7+R8+R9) * 5=2.8 (V).
R8 obtaining value method：(R8+R9)/(R5+R6+R7+R8+R9) * 5=3.3 (V).
R7 obtaining value method：(R7+R8+R9)/(R5+R6+R7+R8+R9) * 5=3.8 (V).
R6 obtaining value method：(R6+R7+R8+R9)/(R5+R6+R7+R8+R9) * 5=4.1 (V).
As shown in figure 4, a kind of charging wire of powered amount instruction is present embodiments provided, including charging wire body, and set
Voltage comparator device as described above 2 and the electric quantity display device 3 on the charging wire body.Charging wire body includes
First joint 7 and the second joint 9, and the connecting line 8 of the connection joint 9 of the first joint 7 and second, the voltage ratio relatively fill
Put 2 and the electric quantity display device 3 first joint 7, the LED 31 of the electric quantity display device 3 are arranged on by pcb board
First joint 7 is exposed to, in some alternative embodiments of the present embodiment, as shown in figure 5, the voltage comparator device 2
It is arranged on the electric quantity display device 3 by pcb board on second joint 9, the LED 31 of the electric quantity display device 3
Expose to second joint 9.
In some alternative embodiments of the present embodiment, as shown in fig. 6, the setting for LED 31, can pass through leaded light
Pipe 32 is arranged on connecting line 8, and LED 31 can be embedded on the first joint 7, be may be implemented in by light pipe 32 on connecting line 8
Electricity is shown.In some alternative embodiments of the present embodiment, the LED 31 of the electric quantity display device 3 is embedded in
In second joint 9, it is attached again by light pipe 32.
In the present embodiment, first joint 7 is USB joint, it is of course also possible to be lightning joints.
The utility model when fixing electric quantity display device 3 in no position, can show electricity for the product of internal battery 4
Pond electricity, electric quantity indicating device of the present utility model do not have to a/d converter, MCU components, it is possible to the instruction of electricity is realized, into
This is low, and reliability is high；Product is shown in no electricity, the instruction of electricity can be realized by the charging wire of outside.
It would be recognized by those skilled in the art that it is possible that numerous accommodations are made to above description, so embodiment and attached
Figure is intended merely to describe one or more particular implementations.
It is counted as example embodiment of the present utility model although having been described above and describing, those skilled in the art will be bright
In vain, it can be variously modified and replaced, without departing from spirit of the present utility model.Repaiied furthermore it is possible to make many
Change so that particular case is fitted into religious doctrine of the present utility model, without departing from the utility model central concept described here.
So the utility model is not only restricted to specific embodiment disclosed here, but the utility model may also include belonging to this practicality
All embodiments and its equivalent of new scope.
Claims (10)
- A kind of 1. charging wire electric quantity indicating device, it is characterised in that：Including cell voltage sampler, voltage comparator device and electricity Quantity display apparatus, the cell voltage sampler are independently arranged on the cradle of internal battery, by the internal battery Voltage outside draw；The cell voltage sampler includes the built-in connection end being connected with the electrode of internal battery and is arranged on institute The cell voltage stated on cradle obtains end；The voltage comparator device and the electric quantity display device are integrally installed, can be with The cell voltage sampler socket connection；During grafting, the voltage comparator device passes through the cradle and the battery Voltage obtains end lotus root and connect；The electric quantity display device is connected with voltage comparator device, and the electricity of the internal battery is referred to Show.
- 2. charging wire electric quantity indicating device as claimed in claim 1, it is characterised in that：The voltage comparator device includes grafting Connection end, the socket connection end obtain end with the cell voltage and are connected, and socket connection end is provided with voltage regulation unit.
- 3. charging wire electric quantity indicating device as claimed in claim 2, it is characterised in that：The electric quantity display device includes LED Indicating member, the LED indicating members include the multiple LEDs being connected in parallel to each other for classification display.
- 4. charging wire electric quantity indicating device as claimed in claim 3, it is characterised in that：The voltage comparator device includes comparing Unit, the comparing unit include being used to be classified the multiple comparators being connected in parallel to each other compared；The output end of the comparator with The LED is connected；The first of the comparator compares end and is connected with the socket connection end.
- 5. charging wire electric quantity indicating device as claimed in claim 4, it is characterised in that：The voltage comparator device includes partial pressure Unit, the partial pressure unit include the multiple divider resistances being one another in series for Multilevel partial-pressure；The input of the partial pressure unit End is connected with the output end of the voltage regulation unit；The output end of divider resistance end phase compared with the first of the comparator Even.
- A kind of 6. charging wire of powered amount instruction, it is characterised in that：Including charging wire body, and it is arranged on the charging wire body On voltage comparator device as described in claim 1-5 is any and the electric quantity display device.
- 7. the charging wire of powered amount instruction as claimed in claim 6, it is characterised in that：The charging wire body connects including first Head and the second joint, and the connecting line of connection first joint and the second joint, the voltage comparator device and the electricity Quantity display apparatus is arranged on first joint or second joint by pcb board.
- 8. the charging wire of powered amount instruction as claimed in claim 7, it is characterised in that the LED of the electric quantity display device Expose to first joint or second joint.
- 9. the charging wire of powered amount instruction as claimed in claim 7, it is characterised in that the LED of the electric quantity display device It is embedded in first joint or second joint, the connecting line is provided with light pipe, the light pipe and the LED Lamp is connected.
- 10. the charging wire of powered amount instruction as claimed in claim 7, it is characterised in that first joint be USB joint or Lightning joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720432067.1U CN206820494U (en) | 2017-04-21 | 2017-04-21 | A kind of charging wire of charging wire electric quantity indicating device and powered amount instruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720432067.1U CN206820494U (en) | 2017-04-21 | 2017-04-21 | A kind of charging wire of charging wire electric quantity indicating device and powered amount instruction |
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| CN206820494U true CN206820494U (en) | 2017-12-29 |
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| CN201720432067.1U Active CN206820494U (en) | 2017-04-21 | 2017-04-21 | A kind of charging wire of charging wire electric quantity indicating device and powered amount instruction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071556A (en) * | 2019-06-04 | 2019-07-30 | 南京矽力杰半导体技术有限公司 | Battery capacity indication circuit and indicating means |
-
2017
- 2017-04-21 CN CN201720432067.1U patent/CN206820494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071556A (en) * | 2019-06-04 | 2019-07-30 | 南京矽力杰半导体技术有限公司 | Battery capacity indication circuit and indicating means |
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