CN209046311U - A kind of touch electric quantity of lithium battery display - Google Patents
A kind of touch electric quantity of lithium battery display Download PDFInfo
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- CN209046311U CN209046311U CN201821912791.5U CN201821912791U CN209046311U CN 209046311 U CN209046311 U CN 209046311U CN 201821912791 U CN201821912791 U CN 201821912791U CN 209046311 U CN209046311 U CN 209046311U
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- lithium battery
- capacitance touch
- power supply
- electricity
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Abstract
The utility model discloses a kind of touch electric quantity of lithium battery displays, including lithium battery power supply, electrical measurement module, electricity quantity display module and trigger module；The trigger module uses capacitance touch module；The lithium battery power supply is connected with electrical measurement module, electricity quantity display module and capacitance touch module respectively, and the electrical measurement module is connected with electricity quantity display module and capacitance touch module；The electrical measurement module is used to measure the effective electricity of lithium battery power supply；The electricity quantity display module is used to show the remaining effective electricity of lithium battery power supply；The capacitance touch module is used to control the opening and closing of electrical measurement module.The utility model replaces traditional mechanical switch by using capacitance touch module, without carrying out the position selection of mechanical switch on lithium battery group device and opening up, lithium battery group device can be directly encapsulated into, when needing to observe remaining capacity, only condenser type touch modules need to be touched across the shell of lithium battery group device.
Description
Technical field
The utility model relates to technical field of lithium batteries, especially a kind of touch electric quantity of lithium battery display.
Background technique
Currently, more and more products need to improve energy, lithium battery with battery with the continuous development of China's science and technology
It is big with its capacity, there is application in many fields the advantages that long service life, but lithium battery power supply is most of in tradition application
It is all encapsulated in lithium battery group device, such as battery of electric bicycle, electrocar battery etc., when needing to observe remaining capacity
When, it generally requires and presses trigger switch (conventional using mechanical switch), electricity quantity display module can be according to current lithium electricity
The electricity of pond power supply is shown with LED light, since lithium battery group device is usually all sealing, the position of trigger switch
Bad choosing.
Utility model content
The utility model in view of the deficiencies of the prior art, devises a kind of touch electric quantity of lithium battery display, by adopting
Traditional mechanical switch is replaced with condenser type touch modules, without carrying out the position selection of mechanical switch on lithium battery group device
And open up, it can be directly encapsulated into lithium battery group device, it, only need to be across lithium battery group device when needing to observe remaining capacity
Shell touches condenser type touch modules.
Realize that above-mentioned purpose the technical solution of the utility model is a kind of touch electric quantity of lithium battery display, including lithium
Battery supply, electrical measurement module, electricity quantity display module and trigger module；The trigger module uses capacitance touch module；
The lithium battery power supply is connected with electrical measurement module, electricity quantity display module and capacitance touch module respectively, institute
Electrical measurement module is stated to be connected with electricity quantity display module and capacitance touch module；
The lithium battery power supply is for providing power supply；
The electrical measurement module is used to measure the effective electricity of lithium battery power supply；
The electricity quantity display module is used to show the remaining effective electricity of lithium battery power supply；
The capacitance touch module is used to control the opening and closing of electrical measurement module.
Further, the capacitance touch module include model ADA01AL single channel capacitance touch module I C,
Touch end, first resistor and first capacitor, the 1st pin OUT and electrical measurement mould of the single channel capacitance touch module I C
Block is connected, the 2nd pin VSS ground connection of the single channel capacitance touch module I C, the single channel capacitance touch module I C
The 3rd pin TOUCH be connected respectively with first resistor and first capacitor, the other end of the first resistor is connected with end is touched,
The other end of the first capacitor is connected with the 2nd pin VSS of single channel capacitance touch module I C and the earth respectively, the list
The 4th foot OPI and the 6th foot OP2 and the earth of channel capacitor formula touch modules IC is connected, the single channel capacitance touch module I C
The 5th foot be connected with lithium battery power supply, the 6th foot of single channel capacitance touch module I C ground connection.
It further, further include linear voltage stabilization module, the linear voltage stabilization module is surveyed with lithium battery power supply and electricity respectively
It measures module to be connected, the linear voltage stabilization module is used to carry out pressure stabilizing to the voltage of lithium battery power supply, and the voltage after pressure stabilizing is defeated
Enter electrical measurement module.
Further, the model LT3060 of the linear voltage stabilization module.
Further, the electrical measurement module uses DS2788 independent type electric meter IC, and DS2788 stand alone type
Voltameter IC includes the open-drain output driver of 5 absorbable 30mA electric currents, and the open-drain output driver is for directly driving
The electricity quantity display module of connection shows the effective electricity of lithium battery power supply.
Further, the electricity quantity display module includes second resistance and LED light, the second resistance and LED light and lithium
Battery power source is connected, and the LED light is connected with second resistance and electrical measurement module.
Further, the lithium battery power supply, electrical measurement module, electricity quantity display module and capacitance touch module are sealed
In lithium battery group device.
Compared with prior art, the utility model has the advantage that is with beneficial effect,
1. traditional mechanical switch is replaced by using capacitance touch module, without carrying out machine on lithium battery group device
It the position selection of tool switch and opens up, lithium battery group device can be directly encapsulated into, it, only need to be every when needing to observe remaining capacity
The shell of lithium battery group device, touch condenser type touch modules.
Detailed description of the invention
Fig. 1 is a kind of block diagram representation of touch electric quantity of lithium battery display of the utility model；
Fig. 2 is a kind of circuit diagram of touch electric quantity of lithium battery display of the utility model；
Fig. 3 is the circuit diagram that this uses key switch in the prior art.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, a kind of touch electric quantity of lithium battery display, including lithium battery power supply, electrical measurement module, electricity
Measure display module and trigger module；It further include linear voltage stabilization module, the model LT3060 of the linear voltage stabilization module, the line
Property Voltage stabilizing module be connected respectively with lithium battery power supply and electrical measurement module, the linear voltage stabilization module be used for lithium battery power supply
Voltage carry out pressure stabilizing, and by the voltage input electrical measurement module after pressure stabilizing；The trigger module uses capacitance touch mould
Block, the capacitance touch module include the single channel capacitance touch module I C of model ADA01AL, touch end, the first electricity
Resistance and first capacitor, the single channel capacitance touch module I C of ADA01AL be specific to LED light application and design, it is interior
Set powerful capacitor induction type touch algorithm, can have a medium, such as glass, acrylic, plastics, ceramics insulation blocking feelings
Touch function is realized under condition, it is highly-safe, and application circuit is simple, and peripheral components are few, easy to process, at low cost, Yi Jikang
Power supply disturbance is good；The 1st pin OUT's and DS2788 independent type electric meter IC of the single channel capacitance touch module I C
PIO pin is connected, the 2nd pin VSS ground connection of the single channel capacitance touch module I C, the single channel capacitance touch mould
The 3rd pin TOUCH of block IC is connected with first resistor and first capacitor respectively, the other end and the touch end phase of the first resistor
Even, the other end of the first capacitor is connected with the 2nd pin VSS of single channel capacitance touch module I C and the earth respectively, institute
The 4th foot OPI and the 6th foot OP2 and the earth for stating single channel capacitance touch module I C are connected, the single channel capacitance touch mould
The 5th foot of block IC is connected with lithium battery power supply, the 6th foot ground connection of the single channel capacitance touch module I C；The lithium battery
Power supply is connected with electrical measurement module, electricity quantity display module and capacitance touch module respectively, the electrical measurement module and electricity
Amount display module is connected with capacitance touch module；The lithium battery power supply is for providing power supply；The electrical measurement module is used
In the effective electricity of measurement lithium battery power supply；The electricity quantity display module is used to show the remaining effective electricity of lithium battery power supply；
The capacitance touch module is used to control the opening and closing of electrical measurement module；The lithium battery power supply, electrical measurement module, electricity
Display module and capacitance touch module are encapsulated in lithium battery group device.
The electrical measurement module uses DS2788 independent type electric meter IC, and the DS2788 independent type electric meter IC packet
Include the open-drain output driver of 5 absorbable 30mA electric currents, respectively LED1 pin, LED2 pin, LED3 pin, LED4 pin
With LED5 foot, DS2788 independent type electric meter IC is used to measure the electricity of chargeable lithium ion battery (Li+) and Li+ polymer battery
Pressure, temperature and electric current, estimate the available power of battery；The open-drain output driver is used to directly drive 3-5 LED of connection
Lamp shows the effective electricity of lithium battery power supply.LED1 pin, LED2 pin, LED3 pin, LED4 pin and LED5 foot
Electric current can be directly sucked in, it is only necessary to which LED light electric current is arranged in a second resistance, to save space and cost.The electricity
Measuring display module includes second resistance and LED light, and the second resistance is connected with LED light and the lithium battery energy, the LED light
It is connected with second resistance and electrical measurement module.
It is that this is pressed using the circuit diagram of key switch when needing to observe remaining capacity in the prior art as shown in Figure 3
Key switch SW once, electricity quantity display module can be shown according to the electricity of current lithium battery power supply with LED light, due to lithium electricity
Pond group device is usually all sealing, therefore the bad choosing in position of trigger switch.
Working principle: when needing to observe remaining capacity, the touch end of single channel capacitance touch module I C is touched with hand,
The 1st foot OUT output pin of single channel capacitance touch module I C exports high level, then the PIO of DS2788 independent type electric meter IC
Pin detects rising edge, and then the LED light for controlling corresponding remaining capacity is lit, after the delay display several seconds, LED light automatic extinguishing
It goes out.Traditional mechanical switch is replaced by using capacitance touch module, without carrying out mechanical switch on lithium battery group device
Position selection and open up, lithium battery group device can be directly encapsulated into, when needing to observe remaining capacity, only need to across lithium electricity
The shell of pond group device touches condenser type touch modules, easy to operate.
To the model of each device in addition to doing specified otherwise, the model of other devices does not limit the utility model embodiment
System, as long as completing the device of above-mentioned function.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of touch electric quantity of lithium battery display, including lithium battery power supply, electrical measurement module, electricity quantity display module and touching
Send out module；It is characterized in that, the trigger module uses capacitance touch module；
The lithium battery power supply is connected with electrical measurement module, electricity quantity display module and capacitance touch module respectively, the electricity
Measurement module is connected with electricity quantity display module and capacitance touch module；
The lithium battery power supply is for providing power supply；
The electrical measurement module is used to measure the effective electricity of lithium battery power supply；
The electricity quantity display module is used to show the remaining effective electricity of lithium battery power supply；
The capacitance touch module is used to control the opening and closing of electrical measurement module.
2. a kind of touch electric quantity of lithium battery display according to claim 1, which is characterized in that the capacitance touch
Module includes the single channel capacitance touch module I C of model ADA01AL, touches end, first resistor and first capacitor, described
The 1st pin OUT of single channel capacitance touch module I C is connected with electrical measurement module, the single channel capacitance touch module
The 2nd pin VSS of IC is grounded, the 3rd pin TOUCH of the single channel capacitance touch module I C respectively with first resistor and the
One capacitor is connected, and the other end of the first resistor is connected with touch end, the other end of the first capacitor respectively with single channel
The 2nd pin VSS of capacitance touch module I C with the earth be connected, the 4th foot OPI of the single channel capacitance touch module I C and
6th foot OP2 is connected with the earth, and the 5th foot of the single channel capacitance touch module I C is connected with lithium battery power supply, the single-pass
The 6th foot of road capacitance touch module I C is grounded.
3. a kind of touch electric quantity of lithium battery display according to claim 1, which is characterized in that further include linear voltage stabilization
Module, the linear voltage stabilization module are connected with lithium battery power supply and electrical measurement module respectively, and the linear voltage stabilization module is used for
Pressure stabilizing carried out to the voltage of lithium battery power supply, and by the voltage input electrical measurement module after pressure stabilizing.
4. a kind of touch electric quantity of lithium battery display according to claim 3, which is characterized in that the linear voltage stabilization mould
The model LT3060 of block.
5. a kind of touch electric quantity of lithium battery display according to claim 1, which is characterized in that the electrical measurement mould
Block uses DS2788 independent type electric meter IC, and the DS2788 independent type electric meter IC includes 5 absorbable 30mA electric currents
Open-drain output driver, the open-drain output driver is used to directly drive the electricity quantity display module of connection, to lithium battery power supply
Effective electricity shown.
6. a kind of touch electric quantity of lithium battery display according to claim 5, which is characterized in that the electricity shows mould
Block includes second resistance and LED light, and the second resistance is connected with LED light and the lithium battery energy, the LED light and the second electricity
Resistance is connected with electrical measurement module.
7. a kind of touch electric quantity of lithium battery display according to claim 1, which is characterized in that the lithium battery
Source, electrical measurement module, electricity quantity display module and capacitance touch module are encapsulated in lithium battery group device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821912791.5U CN209046311U (en) | 2018-11-20 | 2018-11-20 | A kind of touch electric quantity of lithium battery display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821912791.5U CN209046311U (en) | 2018-11-20 | 2018-11-20 | A kind of touch electric quantity of lithium battery display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046311U true CN209046311U (en) | 2019-06-28 |
Family
ID=67043035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821912791.5U Active CN209046311U (en) | 2018-11-20 | 2018-11-20 | A kind of touch electric quantity of lithium battery display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209046311U (en) |
-
2018
- 2018-11-20 CN CN201821912791.5U patent/CN209046311U/en active Active
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