CN208255849U - self-powered liquid crystal writing device - Google Patents
self-powered liquid crystal writing device Download PDFInfo
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- CN208255849U CN208255849U CN201820293361.3U CN201820293361U CN208255849U CN 208255849 U CN208255849 U CN 208255849U CN 201820293361 U CN201820293361 U CN 201820293361U CN 208255849 U CN208255849 U CN 208255849U
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- liquid crystal
- self
- powered
- module
- crystal writing
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Abstract
The utility model provides a kind of self-powered liquid crystal writing device.The self-powered liquid crystal writing device includes the self-powered module for the energy of the nonelectrical energy in ambient enviroment to be converted to electric energy, for being converted from the power module of the provided electric energy of power supply module, and the liquid crystal writing module of Palingraphia and display is realized using the electric energy of power module.The utility model has the advantages that structure is simple and environmentally-friendly, can bring good usage experience.
Description
Technical field
The utility model relates to liquid crystal writing technical fields, and in particular to a kind of self-powered liquid crystal writing device.
Background technique
With the development of technology, liquid crystal writing device is widely used in many necks such as education, teaching and routine work
Domain.The liquid crystal film that liquid crystal writing device is used to write and show wipes the written trace on liquid crystal film still without expending electric power
It need to be realized by consuming the erasing circuit of electric energy.Liquid crystal writing device is typically all to pass through what traditional power supply was powered, example
Such as, electric energy is provided by battery apparatus.But such power supply mode is that user brings inconvenience: being supplied when using battery
When electric, replacement battery is would have to whenever battery capacity is used up, power-off that is cumbersome and be easy to causeing liquid crystal writing device, and
And battery is a kind of the pollution sources seriously polluted to be caused to environment.
Therefore, existing liquid crystal writing device must provide electric energy by battery apparatus, cannot achieve self-energizing.
Utility model content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of self-powered liquid crystal
Writing device overcomes the liquid crystal writing device of the prior art to be unable to the defect of self-energizing, with simple and environmentally-friendly excellent of structure
Point can bring good usage experience.
The utility model provides a kind of self-powered liquid crystal writing device, which includes self-powered module, power module
And liquid crystal writing module, in which:
Self-powered module is used to for the energy of the nonelectrical energy in ambient enviroment being converted to electric energy, and power module will be for that will confess
The electric energy that electric module provides is converted to the available electric energy of liquid crystal writing module, and liquid crystal writing module is for Palingraphia and display.
There is provided the content of the present invention is some concepts introduced in simplified form in the following detailed description.This is practical new
Type content is not intended to identify the key features or essential features of theme claimed, is intended to be used to limit required
The range of the theme of protection.
Detailed description of the invention
Fig. 1 is the functional block diagram of an embodiment of the present invention self-powered liquid crystal writing device；
Fig. 2 is the functional block diagram of an embodiment of the present invention power module；
Fig. 3 is the functional block diagram of another embodiment of the utility model power module；
Fig. 4 is the functional block diagram of an embodiment of the present invention liquid crystal writing module.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1, an embodiment of the present invention self-powered liquid crystal writing device 1 includes self-powered module 10, power supply
Module 20 and liquid crystal writing module 30, self-powered module 10 and power module 20 are electrically connected, power module 20 and liquid crystal writing
Module 30 is electrically connected.
Self-powered module 10 is used to the energy of the nonelectrical energy in ambient enviroment being converted to electric energy, and defeated to power module 20
Electric current out.Specifically, self-powered module 10 can be the hand-operated electricity generation device with rocking bar, realize mechanical energy by manual operation
To the conversion of electric energy, self-powered module 10 can also be solar energy circuit board, be converted into electric energy using solar energy.Self-powered module
10 energy conversion techniques used and its device can be the prior art, be also possible to occur after present utility model application day
New technology, it is which kind of energy conversion technique and its dress used by self-powered module 10 that the utility model, which is not intended to limit,
It sets.
Self-powered module 10 had both been can be set in structure in self-powered liquid crystal writing device 1, can also be used as one
Independent component is detachably connected with self-powered liquid crystal writing device 1 again, and the utility model is without limitation.
Power module 20 is used to convert the available electric energy of liquid crystal writing module 30 for the electric energy that self-powered module 10 provides.
As shown in Fig. 2, an embodiment of the present invention power module 20 includes rectification unit 202, Power Management Unit 204
And the over-voltage detection being electrically connected with Power Management Unit 204 and protection location 206 and energy-storage units 208, rectification unit 202 with
Over-voltage detection and protection location 206 are electrically connected.
Rectification unit 202 is used to fix the polarity that self-powered module 10 exports electric current, output ripple direct current, it is ensured that confession
The safety that electro-hydraulic crystalline substance writing device 1 uses.
Power Management Unit 204 is used to manage charging, the power supply process of power module 20, it is ensured that the peace of power module 20
Entirely, it works normally.
Over-voltage detection and protection location 206 are used to filter out the arteries and veins more than the circuit pressure resistance limit set in power module 20
Dynamic voltage, prevents Current Voltage from carrying range beyond circuit.
Energy-storage units 208 are for storing electric energy and providing electric energy for liquid crystal writing module 30.Energy-storage units 208 specifically may be used
To be rechargeable batteries.
As shown in figure 3, in other embodiments, power module 20 can also include state indication unit 210, state
Indicating unit 210 is used to indicate the working condition of power module 20, and state indication unit 210 and Power Management Unit 204 are electrically
Connection.The working condition of power module 20 includes but is not limited to the states such as charging, normal work, exception and not enough power supply.State
The indicating mode of indicating unit 210 includes but is not limited to the forms such as sound and light.Specifically, state indication unit 210 can be adopted
Issue the light of different colours in varied situations with LED light to indicate the state of power module 20.
Power module 20 can also include interface unit 212, and interface unit 212 is for connecting external power supply charging.
Specifically, interface unit 220 and Power Management Unit 204 are electrically connected, interface unit 220 can be USB interface,
Lightning interface or common circular hole interface.Interface unit 220 can guarantee device 1 in broken battery and self-powered module
10 still have the ability of normal work when can not power again.
Each unit can use the prior art in power module 20, can also go out using after present utility model application day
Existing new technology, it is which kind of technology and its dress used by each unit in power module 20 that the utility model, which is not intended to limit,
It sets.
Liquid crystal writing module 30 is for Palingraphia and display.
As shown in figure 4, an embodiment of the present invention liquid crystal writing module 30 includes writing display unit 302 and erasing
Unit 304, writing unit 302 and erasing unit 304 are electrically connected.
Display unit 302 is write for writing and showing writing.Writing display unit 302 specifically can be liquid crystal writing
Screen.
Unit 304 is wiped to be used to utilize the writing on electric energy erasing writing unit 302.Erasing unit 304 specifically can be
Interlock circuit and its component with writing on erasing liquid crystal display.The erasing mode of unit 304 is wiped either all erasings
Mode, be also possible to the mode of selective erase.
In liquid crystal writing module 30 each unit can use the prior art, can also using present utility model application day it
The new technology occurred afterwards, it is used by each unit in liquid crystal writing module 30 that the utility model is not intended to limit for which kind of technology
And its device.
In conclusion self-powered liquid crystal writing device provided by the utility model is easy to use, by the way that self-powered mould is arranged
Block provides electric energy, therefore will not bring cumbersome step because of circumscripted power line effect length activity, or because needing to change battery
And it stops working, while not needing to change battery can also be to environmental beneficial.Therefore scheme provided by the utility model compares existing skill
Have the advantages that for art environmental protection, it is simple and easy-to-use, so as to provide good user experience.
It should be understood that preferred embodiment above is only to illustrate the technical solution of the utility model, rather than to limit
It is fixed, it will be understood by those skilled in the art that can modify to technical solution documented by above preferred embodiment, or to it
Middle some technical characteristics are equivalently replaced；And all such modifications and replacement, it all should belong to right appended by the utility model and want
The protection scope asked.
Claims (8)
1. a kind of self-powered liquid crystal writing device, which is characterized in that the self-powered liquid crystal writing device include self-powered module,
Power module and liquid crystal writing module, in which:
The self-powered module is used to the energy of the nonelectrical energy in ambient enviroment being converted to electric energy；The self-powered module is hand
Shake power generator or solar panel；
The power module is used to the electric energy that the self-powered module provides being converted to the available electricity of liquid crystal writing module
Energy；
The liquid crystal writing module is for Palingraphia and display.
2. self-powered liquid crystal writing device as described in claim 1, which is characterized in that the self-powered module in structure with
The self-powered liquid crystal writing device is detachably connected.
3. such as the described in any item self-powered liquid crystal writing devices of claim 1-2, which is characterized in that the power module includes
Rectification unit, Power Management Unit and the over-voltage detection and protection location that are electrically connected with the Power Management Unit and energy storage list
Member, the rectification unit and the over-voltage detection and protection location are electrically connected.
4. self-powered liquid crystal writing device as claimed in claim 3, which is characterized in that the power module includes state instruction
Unit, the state indication unit are used to indicate the working condition of the power module, the state indication unit and the electricity
Source control unit is electrically connected.
5. self-powered liquid crystal writing device as claimed in claim 3, which is characterized in that the power module includes interface list
Member, the interface unit electrically connect for connecting external power supply charging, the interface unit with the Power Management Unit
It connects.
6. self-powered liquid crystal writing device as claimed in claim 5, which is characterized in that the interface unit be USB interface,
Lightning interface or common circular hole interface.
7. such as the described in any item self-powered liquid crystal writing devices of claim 1-2, which is characterized in that the liquid crystal writing module
Including writing display unit and erasing unit, the writing display unit and the erasing unit are electrically connected.
8. self-powered liquid crystal writing device as claimed in claim 7, which is characterized in that the writing display unit is liquid crystal book
Write screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293361.3U CN208255849U (en) | 2018-03-02 | 2018-03-02 | self-powered liquid crystal writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293361.3U CN208255849U (en) | 2018-03-02 | 2018-03-02 | self-powered liquid crystal writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255849U true CN208255849U (en) | 2018-12-18 |
Family
ID=64608868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820293361.3U Active CN208255849U (en) | 2018-03-02 | 2018-03-02 | self-powered liquid crystal writing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255849U (en) |
-
2018
- 2018-03-02 CN CN201820293361.3U patent/CN208255849U/en active Active
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