CN202153043U - Circuit structure for driving chip of air conditioner display screen - Google Patents
Circuit structure for driving chip of air conditioner display screen Download PDFInfo
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- CN202153043U CN202153043U CN2011202259262U CN201120225926U CN202153043U CN 202153043 U CN202153043 U CN 202153043U CN 2011202259262 U CN2011202259262 U CN 2011202259262U CN 201120225926 U CN201120225926 U CN 201120225926U CN 202153043 U CN202153043 U CN 202153043U
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- display screen
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- circuit structure
- air conditioner
- air
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Abstract
The utility model discloses a circuit structure for a driving chip of an air conditioner display screen. Compared with the prior art, according to the display screen, hardware design of the schematic diagram of a new display screen can be fast finished simply by performing addition and reduction on the original diagram of the display screen. No new identification circuits are needed to be added on a main control board, driving procedures of a main chip are not needed to be added, development period can be shortened, development difficulty is reduced, and compatibility of a display board is improved, thereby effectively reducing failure rate of the integral air conditioner controller caused by incompatibility. Simultaneously examination of the display screen is facilitated, and dark light caused by current leakage of light-emitting diodes (LEDs) is effectively avoided. By adopting a unified design, performance of electronic control parts is maximized, and interference resistance of the display screen can be improved greatly. Simultaneously the software is adopted to control display gray level so that driving current is reduced, and service life of the device is prolonged.
Description
Technical field
The utility model relates to the air-conditioner field, exactly is meant a kind of circuit structure of air-conditioning display screen drive chip.
Background technology
Along with the quick raising of resident living level, also more and more to the demand of air-conditioning.Along with the continuous increase of different style air-conditionings, thing followed display screen component kind and quantity also can get more and more, and the cycle of exploitation is shorter and shorter.At present, the ununified design of logic function has caused the logic of present different display screens incompatible in the development process of display screen, needs corresponding different drivers.Because the scheme disunity, the antijamming capability of display screen also exists than big-difference.In order to adapt to the development of modern technologies, the deisgn approach of electronic product can reach the purpose of quick switching, quick design through different combinations, and the design of display board does not also have concrete modular arrangement at present in modularization, generalization.On the driver of master chip, to write different programs like this, on master control borad, then need increase the selection circuit of the different display screens of identification for the display screen of Different Logic.According to existing scheme; In design, exist the design cycle long, complicated circuit, anti-interference is poor, detection is consuming time, incompatible etc. is unfavorable for the shortcoming of development and Design; On master control borad, then need increase the identification circuit of different display screens, will increase recognizer in the master chip program.In practical operation, increase device consumption, strengthened the hand labor amount.And, in use also can increase the fraction defective of air conditioner owing to the reason of device itself and the uncertain factor in the production.
The utility model content
To above-mentioned defective; The technical problem that the utility model solves is to provide a kind of circuit structure of air-conditioning display screen drive chip; In the design of display screen, introduce the modularized design notion, make newly-designed display screen unified logic, can effectively overcome the above problems.
In order to solve above technical problem, the circuit structure of the air-conditioning display screen drive chip that the utility model provides comprises remote control receiving element, communication unit, control converting unit and led display unit,
Said remote control receiving element is used to respond the also instruction of converting users remote controller;
Said communication unit, the instruction of the user's remote controller that receives according to the remote control receiving element, the state that is used for stablizing the output signal of single-chip microcomputer and controls display screen;
Said control converting unit is used to receive the output signal of single-chip microcomputer, and the output signal conversion of single-chip microcomputer is output as data signal;
Said led display unit according to data signal, is used to drive the functional indicator light of lighting the display screen correspondence.
Preferably, said communication unit is provided with communication interface, and said communication interface is six unified core wire interfaces.
Preferably, said led display unit is provided with six LED lights.
The circuit structure of the air-conditioning display screen drive chip that the utility model provides, compared with prior art, can be according to the display screen of this case design; Only need on former figure basis, to accept or reject, can accomplish the hardware designs of new display screen schematic diagram fast, on master control borad, need not to increase new identification circuit; The driver of master chip also need not to increase, and can shorten the construction cycle, reduces development difficulty; Increase the compatibility of display board; Effectively reduce because of the incompatible air-conditioner controller complete machine fault rate that causes, also made things convenient for the inspection of display screen simultaneously, and stopped effectively that the LED leakage current causes secretly bright.Because adopt unified design, automatically controlled part maximizing performance makes the anti-interference of display screen also can significantly improve.Adopt the software control display gray scale simultaneously, reduce drive current, prolong device lifetime.
Description of drawings
Fig. 1 is the circuit diagram of the circuit structure of air-conditioning display screen drive chip in the utility model;
Fig. 2 be in the utility model among Fig. 1 led display unit circuit diagram;
Fig. 3 is first instance graph of the circuit structure of air-conditioning display screen drive chip in the utility model;
Fig. 4 is second instance graph of the circuit structure of air-conditioning display screen drive chip in the utility model.
The specific embodiment
For the technical scheme that those skilled in the art can understand the utility model better and provided, set forth below in conjunction with specific embodiment.
See also Fig. 1, Fig. 2, Fig. 1 is the circuit diagram of the circuit structure of air-conditioning display screen drive chip in the utility model; Fig. 2 be in the utility model among Fig. 1 led display unit circuit diagram.
The circuit structure of the air-conditioning display screen drive chip that the utility model provides comprises remote control receiving element A, communication unit B, control converting unit C and led display unit D,
Remote control receiving element A is used to respond the also instruction of converting users remote controller;
Communication unit B, the instruction of the user's remote controller that receives according to remote control receiving element A, the state that is used for stablizing the output signal of single-chip microcomputer and controls display screen;
Control converting unit C, be used to receive the output signal of single-chip microcomputer, and the output signal conversion of single-chip microcomputer is output as data signal;
Led display unit D according to data signal, is used to drive the functional indicator light of lighting the display screen correspondence.
Communication unit B is provided with communication interface, and communication interface is six unified core wire interfaces.Led display unit D is provided with six LED lights.
In Fig. 1, chip pin 1 is confirmed the concussion frequency through connecting pull down resistor R7, and pin two is the data input pin, at the rising edge clock input serial data, begins from low level.Pin 3 is the clock input pin, reads serial data at rising edge, trailing edge output serial data, and pin 4 is rising or trailing edge initialization serial ports interface for sheet selects pin, waits for subsequently receiving instruction.Pin SEG1-SEG10 is the section output of chip.COM1-COM6 is the position output of chip, pin one 8 sections of being/bit multiplex output pin.VCC connection+5V power supply.R1-R3 is the current-limiting protection resistance of chip mouth 2, chip mouth 3, chip mouth 4.R4-R6 is the pull-up resistor of chip mouth 2, chip mouth 3, chip mouth 4, and C2-C4 is the filter capacitor of chip mouth 2, chip mouth 3, chip mouth 4.C8-C13 is the filter capacitor of COM1-COM6 position output.Chip mouth increase filter capacitor in chip for driving can effectively improve the anti-interference effect of display screen and the stability of air-conditioning system.C6, E4 and C7 are the filter capacitor between chip mouth 7 pin and 21 pin VDD and ground, and lead+5V input connects E1 and C1 filter capacitor with ground, the stability of raising power supply.R8 is for receiving a protective resistance of data output, and C14 is the filter capacitor of data output, and E3, C5 are for receiving the filter capacitor of a power supply, and R9 is for receiving an input voltage overcurrent protection resistance.CN1 for unified six core wire interfaces (CLK).
In Fig. 2; Indicator lamp adopts common cathode LED light emitting diode; Wherein define A1-H1 and the A2-H2 output demonstration LED light for two charactrons, A6-H6 is that powerful output shows LED light, and A5-H5 is that the output of running indicator shows LED light; A4-H4 is that the output of wait lamp shows LED light; A3-H3 shows LED light for the output of sleep lamp, and LED light L1, LED light L2, LED light L3, LED light L4, LED light L5 and LED light L6 connect the COM1-COM6 position delivery outlet of chip for driving, and A-H connects the SG8-SG1 hop count outlet of chip for driving.Program output high level is promptly lighted LED, while software control pulse gray scale (PWM), and the drive current of reduction display screen component improves its working life.
Fig. 3 is first instance graph of the circuit structure of air-conditioning display screen drive chip in the utility model; Operation, regularly, sleep shows that inside all has 5 LED lamps to show; Wherein running indicator is selected D5-H5 among Fig. 2; Wait lamp is selected the D4-H4 among Fig. 2, and the sleep lamp is selected the D3-H3 among Fig. 2, and charactron is chosen as A1-H1 and the A2-H2 among Fig. 2.
Fig. 4 is second instance graph of the circuit structure of air-conditioning display screen drive chip in the utility model; Operation, regularly, sleep shows that inside all has 4 LED lamps to show; Wherein running indicator is selected D5-G5 among Fig. 2; Wait lamp is selected the D4-G4 among Fig. 2, and charactron is chosen as A1-H1 and the A2-H2 among Fig. 2.
The LED light of the corresponding display screen of the output of chip for driving; The function of all LED lights is unique and can not change, and realizes unitizedly, and the position of reserving is satisfied the designing requirement to display screen newly developed basically; Integrated remote control receiver module of while; Need not to increase independent receiving circuit part, and unified six core wires that use of interface, make display screen seem succinctly attractive in appearance.In design, can selectively different functions be accepted or rejected and expand, reach the new needed function of display screen, and driver and master control borad circuit need not change can compatible display screen newly developed.
Compared with prior art, the circuit structure of the air-conditioning display screen drive chip that the utility model provides can be according to the display screen of this case design; Only need on former figure basis, to accept or reject, can accomplish the hardware designs of new display screen schematic diagram fast, on master control borad, need not to increase new identification circuit; The driver of master chip also need not to increase, and can shorten the construction cycle, reduces development difficulty; Increase the compatibility of display board; Effectively reduce because of the incompatible air-conditioner controller complete machine fault rate that causes, also made things convenient for the inspection of display screen simultaneously, and stopped effectively that the LED leakage current causes secretly bright.Because adopt unified design, automatically controlled part maximizing performance makes the anti-interference of display screen also can significantly improve.Adopt the software control display gray scale simultaneously, reduce drive current, prolong device lifetime.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. the circuit structure of an air-conditioning display screen drive chip is characterized in that, comprises remote control receiving element, communication unit, control converting unit and led display unit,
Said remote control receiving element is used to respond the also instruction of converting users remote controller;
Said communication unit, the instruction of the user's remote controller that receives according to the remote control receiving element, the state that is used for stablizing the output signal of single-chip microcomputer and controls display screen;
Said control converting unit is used to receive the output signal of single-chip microcomputer, and the output signal conversion of single-chip microcomputer is output as data signal;
Said led display unit according to data signal, is used to drive the functional indicator light of lighting the display screen correspondence.
2. the circuit structure of air-conditioning display screen drive chip according to claim 1 is characterized in that, said led display unit is provided with six LED lights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202259262U CN202153043U (en) | 2011-06-29 | 2011-06-29 | Circuit structure for driving chip of air conditioner display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202259262U CN202153043U (en) | 2011-06-29 | 2011-06-29 | Circuit structure for driving chip of air conditioner display screen |
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| Publication Number | Publication Date |
|---|---|
| CN202153043U true CN202153043U (en) | 2012-02-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202259262U Expired - Fee Related CN202153043U (en) | 2011-06-29 | 2011-06-29 | Circuit structure for driving chip of air conditioner display screen |
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| CN (1) | CN202153043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237986A (en) * | 2020-01-13 | 2020-06-05 | 广东志高暖通设备股份有限公司 | Air conditioner display device and air conditioner |
-
2011
- 2011-06-29 CN CN2011202259262U patent/CN202153043U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237986A (en) * | 2020-01-13 | 2020-06-05 | 广东志高暖通设备股份有限公司 | Air conditioner display device and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHIGO AIR CONDITIONING?(JIUJIANG)?CO.,?LTD. Free format text: FORMER OWNER: GUANGDONG CHIGO AIR-CODITIONING CO., LTD. Effective date: 20141219 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528244 FOSHAN, GUANGDONG PROVINCE TO: 332000 JIUJIANG, JIANGXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141219 Address after: The 332000 Jiangxi Economic Development Zone of Jiujiang Province Automobile Industrial Park, Shunyi Road No. 20 Patentee after: Chigo Air Conditioner (Jiujiang) Co., Ltd. Address before: 528244 Shengli Industrial Zone, Lishui Town, Nanhai District, Guangdong, Foshan Patentee before: Guangdong Chigo Air-Coditioning Co., Ltd. |
|
| 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: 20120229 Termination date: 20160629 |