CN205230563U - Touch LCD of low -power consumption - Google Patents
Touch LCD of low -power consumption Download PDFInfo
- Publication number
- CN205230563U CN205230563U CN201520875394.5U CN201520875394U CN205230563U CN 205230563 U CN205230563 U CN 205230563U CN 201520875394 U CN201520875394 U CN 201520875394U CN 205230563 U CN205230563 U CN 205230563U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- power consumption
- pin
- resistance
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a touch LCD of low -power consumption, this LCD cooperates step -down converter circuit to come the low -power consumption of implementation system through increase T1's MSP430G2101's low power consumption control ware circuit low -power consumption MCU. After increasing T1's MSP430G2101's low power consumption control ware circuit, the system can periodic shutdown comes sparingly consumption, and it awakens the signal up and is provided by MSP430G2101's low power consumption control ware circuit. Simultaneously, various state information are also preserved by MSP430G2101's low power consumption control ware circuit, and LED status indicator lamp is also driven by the low power consumption control ware circuit that original drive becomes by MSP430G2101. The stand -by power consumption is reduced by original 300mW to be controlled to 90mW.
Description
Technical field
The utility model relates to display technology field, relates to a kind of low-power consumption touch type liquid crystal display specifically.
Background technology
Liquid crystal display applications is widely, almost ubiquitous, plays an important role in the social production life of people.In recent years, along with the development of mobile Internet and highlighting of energy problem, people wish that the power consumption of liquid crystal display reduces further, and current liquid crystal display power consumption is still relatively high, therefore, need a kind of circuit to reduce the power consumption of display.In order to realize low-power consumption, when the most direct method of one is non-loaded, direct power cutoff shuts down completely.But if doing so, comprise display state, error condition, operator scheme and drive pin status information etc. to lose completely.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of low-power consumption touch type liquid crystal display.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of low-power consumption touch type liquid crystal display, it comprises LCDs, display screen is touch, LCDs inside is provided with pcb board, in circuit on pcb board, be electrically connected with low consumption circuit, this low consumption circuit comprises the low power consumption control device circuit that model is MSP430G2101, the 1# pin of described low power consumption control device circuit, 2# pin, 3# pin is respectively connected with the resistance in 475 Europe, the other end connecting luminous diode of three resistance, described pcb board is also provided with the step-down controller circuit that model is TPS54231D, the inductor L1 of 330 μ H is electrically connected with between the 5# pin of described step-down controller circuit and the 1# pin of low power consumption control device circuit, 10 kilo-ohms of resistance R4, the other end of described resistance R4 is also connected with the resistance R5 in 1 Europe, the other end of resistance R5 connects the first N-type field effect transistor Q1, the 12# pin of the grid electrical connection low power consumption control device circuit of described N-type field effect transistor Q1, the 12# pin of described low power consumption control device circuit also connects 100 kilo-ohms of resistance R9, the other end of resistance R9 is electrically connected the second N-type field effect transistor Q2, the source electrode of the second N-type field effect transistor Q2 connects the 10# pin of low power consumption control device circuit.
Further, the electric capacity C13 of 0.1 μ F is connected with between the 1# pin of described step-down controller circuit and 5# pin, 2# pin connects the electric capacity C1 of 10 μ F, the electric capacity C2 of 0.1 μ F, electric capacity C1, the other end ground connection of electric capacity C2, the 4# pin of step-down controller circuit connects the electric capacity C3 of 0.01 μ F, electric capacity C3 other end ground connection, the 7# pin of step-down controller circuit is connected with the electric capacity C4 of 0.1 μ F, electric capacity C4 other end ground connection, the two ends of electric capacity C4 are parallel with the resistance R1 of 76.8 kilo-ohms of series connection, the electric capacity C5 of 2700pF, the ground connection of the electric capacity C5 other end, the 8# pin of described step-down controller circuit connects 10 kilo-ohms of resistance R2, 3.3 kilo-ohms of resistance R3, the resistance R2 other end connects inductor L1, resistance R4, the electric capacity C6 of 40 μ F, the electric capacity C7 of 0.1 μ F, described electric capacity C6, the other end of electric capacity C7 is connected, be connected with the negative pole end of resistance R3 after connecting, the positive terminal of diode connects, the other end of diode connects the 5# pin of step-down controller circuit.
Further, described first N-type field effect transistor Q1 source electrode, grid connect the two ends of the electric capacity C8 of 1 μ F, and electric capacity C8 connects 10 kilo-ohms of resistance R6, resistance R6 other end ground connection.
Further, the grid of described second N-type field effect transistor Q2 is also connected with the electric capacity C12 of 2.2 μ F, the other end ground connection of electric capacity C12.
Further, the VCC of described low power consumption control device circuit holds between pin 1, earth terminal pin 14 and is connected with the electric capacity C9 of 0.01 μ F, the electric capacity C10 of 40 μ F, the VCC of described low power consumption control device circuit holds the 40 kilo-ohms of resistance R7, the electric capacity C11 of 2.2 μ F, the 10 kilo-ohms of resistance R10 that are connected with series connection between pin 1, pin 9, and the VCC of described low power consumption control device circuit holds the resistance R8 being connected with 10 kilo-ohms between pin 1, pin 8.
Relative to prior art, the beneficial effects of the utility model are: the utility model coordinates step-down controller circuit to realize the low-power consumption of system by the low power consumption control device circuit low-power consumption MCU increasing the MSP430G2101 of T1.After increasing the low power consumption control device circuit of the MSP430G2101 of T1, system can periodically shut down to save power consumption, and its wake-up signal is provided by the low power consumption control device circuit of MSP430G2101.Meanwhile, various status information is also preserved by the low power consumption control device circuit of MSP430G2101, and LED state pilot lamp is also become from original driving and driven by the low power consumption control device circuit of MSP430G2101.Stand-by power consumption is reduced to about 90mW by original 300mW.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model low power consumption control device circuit and step-down controller circuit connection diagram.
Fig. 2 is step-down controller circuit enlarged drawing in Fig. 1.
Fig. 3 is circuit enlarged drawing on the right side of step-down controller circuit in Fig. 1.
Fig. 4 is low power consumption control device circuit enlarged drawing in Fig. 1.
Fig. 5 is circuit enlarged drawing on the right side of low power consumption control device circuit in Fig. 1.
Mark in accompanying drawing: step-down controller circuit 1, low power consumption control device circuit 2.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Please refer to accompanying drawing 1 ~ 5, a kind of low-power consumption touch type liquid crystal display of the present utility model, it comprises LCDs, display screen is touch, LCDs inside is provided with pcb board, in circuit on pcb board, be electrically connected with low consumption circuit, this low consumption circuit comprises the low power consumption control device circuit 2 that model is MSP430G2101, the 1# pin of described low power consumption control device circuit 2, 2# pin, 3# pin is respectively connected with the resistance in 475 Europe, the other end connecting luminous diode of three resistance, described pcb board is also provided with the step-down controller circuit 1 that model is TPS54231D, the inductor L1 of 330 μ H is electrically connected with between the 5# pin of described step-down controller circuit 1 and the 1# pin of low power consumption control device circuit 2, 10 kilo-ohms of resistance R4, the other end of described resistance R4 is also connected with the resistance R5 in 1 Europe, the other end of resistance R5 connects the first N-type field effect transistor Q1, the 12# pin of the grid electrical connection low power consumption control device circuit 2 of described N-type field effect transistor Q1, the 12# pin of described low power consumption control device circuit 2 also connects 100 kilo-ohms of resistance R9, the other end of resistance R9 is electrically connected the second N-type field effect transistor Q2, the source electrode of the second N-type field effect transistor Q2 connects the 10# pin of low power consumption control device circuit 2.The electric capacity C13 of 0.1 μ F is connected with between the 1# pin of described step-down controller circuit 1 and 5# pin, 2# pin connects the electric capacity C1 of 10 μ F, the electric capacity C2 of 0.1 μ F, electric capacity C1, the other end ground connection of electric capacity C2, the 4# pin of step-down controller circuit 1 connects the electric capacity C3 of 0.01 μ F, electric capacity C3 other end ground connection, the 7# pin of step-down controller circuit 1 is connected with the electric capacity C4 of 0.1 μ F, electric capacity C4 other end ground connection, the two ends of electric capacity C4 are parallel with the resistance R1 of 76.8 kilo-ohms of series connection, the electric capacity C5 of 2700pF, the ground connection of the electric capacity C5 other end, the 8# pin of described step-down controller circuit 1 connects 10 kilo-ohms of resistance R2, 3.3 kilo-ohms of resistance R3, the resistance R2 other end connects inductor L1, resistance R4, the electric capacity C6 of 40 μ F, the electric capacity C7 of 0.1 μ F, described electric capacity C6, the other end of electric capacity C7 is connected, be connected with the negative pole end of resistance R3 after connecting, the positive terminal of diode connects, the other end of diode connects the 5# pin of step-down controller circuit 1.Described first N-type field effect transistor Q1 source electrode, grid connect the two ends of the electric capacity C8 of 1 μ F, and electric capacity C8 connects 10 kilo-ohms of resistance R6, resistance R6 other end ground connection.The grid of described second N-type field effect transistor Q2 is also connected with the electric capacity C12 of 2.2 μ F, the other end ground connection of electric capacity C12.The VCC of described low power consumption control device circuit 2 holds between pin 1, earth terminal pin 14 and is connected with the electric capacity C9 of 0.01 μ F, the electric capacity C10 of 40 μ F, the VCC of described low power consumption control device circuit 2 holds the 40 kilo-ohms of resistance R7, the electric capacity C11 of 2.2 μ F, the 10 kilo-ohms of resistance R10 that are connected with series connection between pin 1, pin 9, and the VCC of described low power consumption control device circuit 2 holds the resistance R8 being connected with 10 kilo-ohms between pin 1, pin 8.
The utility model coordinates step-down controller circuit to realize the low-power consumption of system by the low power consumption control device circuit low-power consumption MCU increasing the MSP430G2101 of T1.After increasing the low power consumption control device circuit of the MSP430G2101 of T1, system can periodically shut down to save power consumption, and its wake-up signal is provided by the low power consumption control device circuit of MSP430G2101.Meanwhile, various status information is also preserved by the low power consumption control device circuit of MSP430G2101, and LED state pilot lamp is also become from original driving and driven by the low power consumption control device circuit of MSP430G2101.Stand-by power consumption is reduced to about 90mW by original 300mW.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a low-power consumption touch type liquid crystal display, it comprises LCDs, display screen is touch, LCDs inside is provided with pcb board, it is characterized in that: in the circuit on pcb board, be electrically connected with low consumption circuit, this low consumption circuit comprises the low power consumption control device circuit (2) that model is MSP430G2101, the 1# pin of described low power consumption control device circuit (2), 2# pin, 3# pin is respectively connected with the resistance in 475 Europe, the other end connecting luminous diode of three resistance, described pcb board is also provided with the step-down controller circuit (1) that model is TPS54231D, the inductor L1 of 330 μ H is electrically connected with between the 5# pin of described step-down controller circuit (1) and the 1# pin of low power consumption control device circuit (2), 10 kilo-ohms of resistance R4, the other end of described resistance R4 is also connected with the resistance R5 in 1 Europe, the other end of resistance R5 connects the first N-type field effect transistor Q1, the 12# pin of grid electrical connection low power consumption control device circuit (2) of described N-type field effect transistor Q1, the 12# pin of described low power consumption control device circuit (2) also connects 100 kilo-ohms of resistance R9, the other end of resistance R9 is electrically connected the second N-type field effect transistor Q2, the source electrode of the second N-type field effect transistor Q2 connects the 10# pin of low power consumption control device circuit (2).
2. a kind of low-power consumption touch type liquid crystal display according to claim 1, it is characterized in that: the electric capacity C13 being connected with 0.1 μ F between the 1# pin of described step-down controller circuit (1) and 5# pin, 2# pin connects the electric capacity C1 of 10 μ F, the electric capacity C2 of 0.1 μ F, electric capacity C1, the other end ground connection of electric capacity C2, the 4# pin of step-down controller circuit (1) connects the electric capacity C3 of 0.01 μ F, electric capacity C3 other end ground connection, the 7# pin of step-down controller circuit (1) is connected with the electric capacity C4 of 0.1 μ F, electric capacity C4 other end ground connection, the two ends of electric capacity C4 are parallel with the resistance R1 of 76.8 kilo-ohms of series connection, the electric capacity C5 of 2700pF, the ground connection of the electric capacity C5 other end, the 8# pin of described step-down controller circuit (1) connects 10 kilo-ohms of resistance R2, 3.3 kilo-ohms of resistance R3, the resistance R2 other end connects inductor L1, resistance R4, the electric capacity C6 of 40 μ F, the electric capacity C7 of 0.1 μ F, described electric capacity C6, the other end of electric capacity C7 is connected, be connected with the negative pole end of resistance R3 after connecting, the positive terminal of diode connects, the other end of diode connects the 5# pin of step-down controller circuit (1).
3. a kind of low-power consumption touch type liquid crystal display according to claim 1, is characterized in that: described first N-type field effect transistor Q1 source electrode, grid connect the two ends of the electric capacity C8 of 1 μ F, and electric capacity C8 connects 10 kilo-ohms of resistance R6, resistance R6 other end ground connection.
4. a kind of low-power consumption touch type liquid crystal display according to claim 1, is characterized in that: the grid of described second N-type field effect transistor Q2 is also connected with the electric capacity C12 of 2.2 μ F, the other end ground connection of electric capacity C12.
5. a kind of low-power consumption touch type liquid crystal display according to claim 1, it is characterized in that: the VCC of described low power consumption control device circuit (2) holds between pin 1, earth terminal pin 14 and is connected with the electric capacity C9 of 0.01 μ F, the electric capacity C10 of 40 μ F, the VCC of described low power consumption control device circuit (2) holds the 40 kilo-ohms of resistance R7, the electric capacity C11 of 2.2 μ F, the 10 kilo-ohms of resistance R10 that are connected with series connection between pin 1, pin 9, and the VCC of described low power consumption control device circuit (2) holds the resistance R8 being connected with 10 kilo-ohms between pin 1, pin 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875394.5U CN205230563U (en) | 2015-11-05 | 2015-11-05 | Touch LCD of low -power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875394.5U CN205230563U (en) | 2015-11-05 | 2015-11-05 | Touch LCD of low -power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205230563U true CN205230563U (en) | 2016-05-11 |
Family
ID=55905611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520875394.5U Active CN205230563U (en) | 2015-11-05 | 2015-11-05 | Touch LCD of low -power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205230563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166546A (en) * | 2018-09-30 | 2019-01-08 | 广州小鹏汽车科技有限公司 | A kind of display screen circuit and the middle control screen system including display screen circuit |
-
2015
- 2015-11-05 CN CN201520875394.5U patent/CN205230563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166546A (en) * | 2018-09-30 | 2019-01-08 | 广州小鹏汽车科技有限公司 | A kind of display screen circuit and the middle control screen system including display screen circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103198809B (en) | LED (Light Emitting Diode) backlight source and liquid-crystal display equipment | |
| CN205230563U (en) | Touch LCD of low -power consumption | |
| CN102510605B (en) | Novel LED (light emitting diode) driving circuit and drive method | |
| CN204652745U (en) | A kind of constant current driver circuit for LED | |
| CN204993996U (en) | On -vehicle LED drive circuit based on single chip microcomputer control | |
| CN204268235U (en) | There is the LED backlight of arbitrary source drive circuit | |
| CN203086369U (en) | PFC boost circuit | |
| CN203327330U (en) | Mobile phone LCD backlight energy-saving drive circuit | |
| CN202758591U (en) | Backlight LED driving output circuit and television set | |
| CN206004961U (en) | A kind of Internet of Things light fixture constant-current driving control circuit | |
| CN202444676U (en) | Light-emitting diode (LED) driving control circuit | |
| CN204482100U (en) | A kind of White LED Drive | |
| CN203756489U (en) | Intelligent multifunctional water pump control protector | |
| CN204290681U (en) | A kind of frequency converter control panel of optimization | |
| CN203573623U (en) | Low power consumption control system of liquid crystal display backlight source | |
| CN206807828U (en) | A kind of conversion equipment | |
| CN204116957U (en) | A kind of SCM Based infrared detection circuit that tracks | |
| CN218213697U (en) | Structure for improving antistatic performance of backlight module | |
| CN203617916U (en) | Simplified switching power supply | |
| CN202930009U (en) | Liquid crystal display driving circuit | |
| CN202929343U (en) | Projector | |
| CN204088385U (en) | A kind of OLED auxiliary electrode | |
| CN201682672U (en) | Light-emitting diode driving device | |
| CN103592293A (en) | Water quality tester and control method thereof | |
| CN202677796U (en) | Backlight control circuit of liquid crystal television |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |