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RTL8309N

HST-2027DAR

F71869ED

MK25Q40 SOP-8

MK25Q40WSIG SOP-8

ET8215

ET8131

ET9513C

ET9515

ET9562

ET1202

ET8202

ET9818

ANX701AANX

ET3895

ET9519

ET9523C

ET9528

ET9611

GSL7001F CSM Optical Fingerprint Chip

Zhaoyi Innovation focused on exhibiting the GSL7001 optical fingerprint identification solution. This solution uses CMOS sensing technology, which is the first large pixel, single-chip, thread focusing solution pioneered by Zhaoyi. It adopts a unique thread-type 3P lens design and is equipped with a large pixel size sensor chip. The focal length can be fine-tuned, which is more convenient to adapt to. Different screens and structures effectively enhance the competitiveness of the solution and provide customers with the ultimate experience of fingerprint recognition under the OLED screen.

GSL7001F CSM Optical Fingerprint Chip

Another solution highlighted is Zhaoyi's new GSL7253 TFT large-area optical fingerprint identification solution. This solution adopts TFT based sensor technology, and cooperates with ROIC and Gate IC developed by Zhaoyi to form a high-performance fingerprint identification system, with a thickness of only 0.3mm, supports high scanning, and has large area, high security and recognition speed. Fast and so on.

Zhang Yi, Marketing Manager of Zhaoyi's Sensor Business Department, said that Zhaoyi's GSL7253 TFT large-area optical fingerprint recognition solution can correspond to the scene of multi-finger simultaneous recognition, upgrade single-point recognition to large-area recognition, and then expand to the size of the entire display panel. And improve the user experience in a variety of ways, such as blind pressing to unlock, unlocking without a fixed location, and using methods that provide higher security and broader scenarios, such as multi-finger simultaneous recognition.

With the increasing demand of the ready-to-wear market in recent years, small garment manufacturers have developed very rapidly, and the demand for small ironing systems is increasing. Most of the original small ironing machines are manually controlled equipment, which requires high operating experience for operators. Due to the different operating levels of operators, product quality problems often occur and the damage rate is very high. In order to meet the needs of users, we have designed the ironing control system by ourselves.

1. Overall system requirements

The control machine adopts ATMEL89C51 to form a stand-alone control system. Each ironing process is roughly divided into the following steps: mold clamping, hot pressing (2 times), upper steam injection, air extraction, lower steam injection, mold opening, etc. Sometimes there may be different execution times of a work step in a process, the system should flexibly adjust the start time and length of each work step execution. The system should also have a temperature control system so that the ironing temperature can be controlled as required to avoid burning the fabric.

The ironing machine adopts AT89C51 as the main controller and DMF50174 as the display module, which can realize the storage and modification of 10 ironing programs, and can arbitrarily change the operating parameters according to the different processes and fabrics, and can display the ironing program in a graphic way. parameter settings. The system is also equipped with a temperature control system, which uses TLC549 serial A/D converter and linear temperature sensor to achieve temperature acquisition and control. The system can control the temperature valve according to the preset temperature range in the ironing program. During the ironing process, the system graphically displays the parameter settings of each solenoid valve on the LCD screen, and indicates the current system running process with a highlighted scan line.

2. Overall system design

2.1 Solenoid valve control part

Each working step of the ironing machine is controlled by different control valves. The system has: mold clamping valve, pressure valve, steam injection valve, steam extraction valve, temperature control valve and other valves. In order to facilitate expansion, the system has reserved Sufficient expansion space, the system uses P1 port as the control port, and also expands a 74LS377 for backup, which can control up to 16 solenoid valves to meet the system requirements.

Each control valve of this system is an AC solenoid valve. In order to avoid electromagnetic interference, the photoelectric isolation method is adopted.

2.2 Temperature Control Section

In order to control the temperature, a temperature acquisition part is designed, which uses the resistance temperature sensor PT100 and TI's A/D converter TLC549 with serial control to realize the temperature acquisition.

The TLC549 provides an on-chip system clock, which typically operates at 4MHz and requires no external components. The on-chip system clock makes the operation of the internal device independent of the serial input/output timing and allows the TLC549 to work as required by many software and hardware. The I/O CLOCK together with the internal system clock enables high-speed data transfer and conversion speeds of 40,000 conversions per second for the TLC549.

Other features of the TLC549 include general-purpose control logic, on-chip sample-and-hold circuits that can operate automatically or under microprocessor control, high-speed converters with differential high-impedance reference inputs, and easy ratiometric conversion. Scaling and circuits that are isolated from logic and power noise. The design of the entire switched capacitor successive approximation converter circuit allows conversions to be achieved in less than 17 μs with a maximum total error of ±0.5 least significant bits (LSB).

2.3 LCD display part

The system is equipped with a membrane keyboard for modifying the control program and setting the system. For the convenience of operation, the system adopts an independent liquid crystal display system, which can display the system temperature, the status of each control valve, and the operating status of the system in real time.

The system adopts the advanced dot-matrix liquid crystal display module DMF50174NB-FW from Japan's OPTREX company, and also uses the SED1330 liquid crystal display ADM2209EARU controller produced by Japan's SEIKO EPSON company.

DMF50174NB-FW liquid crystal display module has the characteristics of high sensitivity, high reliability, low power consumption, long life and high brightness. It is 320×240 dot matrix. The module has two display modes of characters and graphics, and the display font is 8×8 dot matrix, which fully meets the requirements of industrial production.

SED1330 is an advanced character and graphic liquid crystal display controller, which is the most powerful one in its kind. It has the following features:

?SED1330 is not only suitable for 8080 series MPU interface, but also suitable for M6800 series MPU interface, it sets two pins SEL1 and SEL2 in the interface part, as the interface function conversion setting of MPU.

?SED1330 is equipped with a powerful I/O buffer in the interface part of the MPU, which avoids the status inspection items of general controllers. The MPU can access the SED1330 at any time without asking about the "busy" flag.

?SED1330 has a rich set of instructions, and the instructions have more parameters, up to 10 parameters. The SED1330 instruction can not only realize the synthesis and display of the contents of the two display areas according to different logical relationships, but also the contents of the three display areas can be synthesized and displayed. Through composite display, it is possible to realize mixed display of character graphics, display of character text characteristics, flickering display, and half-tone display.

? The display data sent by SED1330 to the LCD module is transmitted in a 4-bit parallel manner, thus greatly improving the ability to control the dot matrix LCD device.

3. System software design

The system software adopts modular design and is divided into the following parts: LCD control module, parameter setting module, ten separate ironing program setting and parameter display modules, machine running status display module and temperature acquisition, control and display module.

To sum up, the ironing machine control system designed and implemented in this paper has high practical value. At the same time, the functions and usage of DMF50174 liquid crystal display, SED1330 liquid crystal display controller and serial A/D converter TLC549 are introduced. This system has been used in Shanghai Weijie Garment Equipment Factory. After a long period of actual testing, the system performance is good.

XRT5894IV-F

BLM21PG300SH1D

GRM219R60J226ME47D

VCC1B3D50M000

L6202

IPB04CN10NGANBRUCH

LM741J/883

M27C512-15F6

556136-2

MGSF2N02ELT1G

SN54F32J

BZG03C15-TR

MAX3031EEUE+

U4944 (RS#278-1458)

ET9639M OVP with VBUS_DET detection function, built-in 200V surge protection tube CSP12

ET9540 OVP with FLAG output, built-in 100V surge protection tube CSP12

ET9640 OVP with extremely low internal resistance, built-in 100V surge protection tube DFN10

ET9552 OVP with FLAG output, built-in 100V surge protection tube, off time 50ns CSP12

ET9553M OVP with VBUS_DET detection function, built-in 100Vsurge protection tube, off time 50ns CSP12

ET9650 15mΩ low internal resistance OVP with FLAG output, built-in 100V surge protection tube

MAX707ESA+T

TEFT4300

5962-9761501QDA

ADCMP563BCPZ-R2

FDS8984

NRF24L01P

MT8888CN

LH0002H

74HCT4066PW

GRM155R61A564KE15D

LQP15MN1N3W02D

MC34164D-3R2G

ES1D-E3/5AT

54HC4060FK

MPC8377CVRAGD

ET9612

ET9539

ET9639M

ET9540

ET9640

MM1414CVBE, TSSOP20

AO4410

AO4435

TMP86FH09

AO4407

SS2150

LTV817XB-V, LTV817XC-V, LTV-817S1-TA, LTV-817X-C, LTV814STA1-V, LTV-816S, LTV-702VM, LTV702VM-V, LTV702VS-V, 4N28, LTV702FS-V, LTV-826M, 4N27S-TA1, LTV-826S-TA, 4N28M, 4N28S, LTV826S-V, LTV-4N26, LTV-827M, LTV817S-V, LTV-819-1S, LTV-819-2M, LTV-851M, LTV-851S- TA1, 4N25, LTV-817X-B, 4N25S-TA1-V, LTV817-V, LTV-824, LTV817STA1-V, LTV-733S, LTV-824HS, 4N26S, LTV-733HM, LTV-733H, 4N26S-TA1, LTV-724FS-TA1, LTV-724FS, LTV824M-V, LTV-817S-TP-A, LTV-814M, CNY17-1S, LTV847M-V, CNY17F-3, LTV814-V, CNY17-1S-TA1, CNY17F- 3STA1-V, CNY17-2S-TA1, LTV-816-BT,

UVR1H221MPD1TD, NICHICON

TPC817S1C

MK25Q40 SOP-8

TMP86FH09

MK25Q40WSIG SOP-8

MK25Q40ATIG SOP-8

MK25Q40BSSIG SOP-8

ET9552

ET9553M

ET9650

TPS62067DSGR

SN74ALS244CDWR

IDT74FCT162245CTPA

ET9632H

ET9632L

HT8272SOP16/SOP8

HT8277SOP8/SOT23-6/DFN-8

RH7901SOT23-5

RH7901ASOT23-5

ERA21A5C1H101JD01

VS6CWQ06FNM3

DPF80C200HB

TPS51100DGQ

PIC12F629-I/SN

40V470UF10

AD5204BZ10

EEEHC1H100P

MC100EL01D

RH7902SOT23-6

RH7902ASOT23-6

FP6601Q SOT23-8

NT6008BSOT23-8

NT6008BMT8SOT23-8

0739270004

STTH1210DI

HY62WT081ED70C

ACF451832-472-TD01

0312005.HXP

MAX708ESA-TG

MC74VHC1GT32DFT2

HCNW137300E

74LVTH162245MEA

PTH05020WAH

14*9*5-2MH-0.7-5A

TDA2006

NT6008DMT8SOT23-8

NT6008DMT8SOT23-8

LB1256

QS3R861Q

IRFM064

LM95245CIM/NOPB

PI2PCIE2214ZHE

2N5245

1703076

ET9630L

ET9902

ET9918B

ET9531

MK25Q40ATIG SOP-8

MK25Q40BSSIG SOP-8

IRFI4321PBF

LXT905PC

2N3994

TZMB8V2-GS08

FM25H20-DG

BDX54BG

AD7677AASTRL

TC4424AVOA

HCNW137

BZX84C3V3LT1G

SN74AHC1G04DCKR

HIN213CA

FP6601QS6SOT23-6

UP9616PVDFN6x5-8LJ/VDFN5x6-10L

UP9616QVDFN6x5-8L

NT3885DFN5x6-14L

ET9630

HSMP-4890-TR1G

M5M82C55AFP2

BB439E6327

2N3906TA

FM25L512DG

CRCW2010150KFKEF

1N4148WS

M22-7131442

216T9NGBGA13FH

MAX253ESA+T

MAX706TESA+

BF908, 215

TLV5619QDW

IDT74FCT244CTPY

IDT74FCT244CTPY

ECS-300-20-3X-TR

0810-0103

SPX3819M5-L-3-3

TLP521-2GB

ANX6585D

ANX6585

ANX6585A

ES7134

ES7144

ES7145

ES7148

2961105/REL-MR-24DC/21

74VCX162244GX

MAX708ESA-TG

MAX3079EESD+T

FM25H20-DG

5-554720-2

ES7149

ES7154

ES7210

ES7241

ES7242

ES7243

ES8156

ES8218

ES8311

ES8312

ES8316

ES8323S

ES8374

ES8388

ES8396

850F100KE

XC3S1600E-4FGG320C

HI201HS-5

593D476X9016D2TE3

TPS75433QPWP

1N5822-E3/54

MFR4 150K 1%_MAX1697UEUT+T

293D105X9020A2TE3

G2995F1U

SN74AHCT574DBR

AD585AQ

554808-1

GM76C256CLLFW70

74VCX32244G

MC78FC30HT1

CD4503BPW

NM93C06EN

HMC194MS8TR

967558-1

74LVXC3245MTC

2N3994

BK/GMA-1.5A

TPS2819DBVR

B66421GX187

BCM5228BA4KPB

SMCJ28A

DG212CJ

MCP2510-E/SO

LM158J/883

MAX811MEUS

TLC274CDR

BZW5033B

ANX6585AAD

M40-6204146

ADSP21062KS-160

SA36-11SRWA

JANTX1N4246

MC10138L

S506-250-R (RS#537-1638)

PEB2075N V1.3

ANX6585DAD

ANX6585AAD

SIR496DP-T1-GE3(RS#814-1285)

C06BL851X-5UN-X0T

DAC7802KP

SAB82532HV3.2A

TLP5212

SIA445EDJ-T1-GE3 (RS#787-9285)

B32522C106K

XTR105U

BC856

CAT25020VI-G

SN74HC04NSR

ADV7180WBCPZ

AUIRFR4105Z

LM22675MRX

L7805CD2T

American Zhaolong

CT3052

CT3083

CT357

CT817

QG2310421Y-08M-7H

AYF330935

AYF532435

ADS25C80F, TO-220F

MMBT5551, NPN, SOT-23, 0.6A/160V

ME75N80C, N-enhancement-MOSFET, 80V/75A, TO-220

5962-9154502MQA(ATV2500H-25DM/883)

B72220S141K101

FTSH-130-04-LD

27963-26T9

HMC253QS24

BFR93.

MC423145DW

SN74AS873ADW

MA4P7104F-1072T

TPS7350QPW

SN74HC374NSR

ADG884BCPZ-REEL7

SN74LVC1G34DBVT

CK05BX680K

MAX3042BESE+

BZT03C160

DS26LV31W-QML

GTXO-83V/GN 19.20MHZ

SP3232EEA

SP3232EEA

CS630

IRF640NS TO-263

CS630A4H

IRF630NS TO-263

SP2306 SOT23-5

SP6801 SOT23-6

SP6901A SOT23-6

BL8310 SOP-8/SOT23-6?

Switching Regulator, LM2575S-5, 1A, TO-263

Switching Regulator, LM2576S-ADJ, 3A, TO-263

ETA6085 ESOP8

ETA6093 ESOP8

ATmega16A-AU TQFP44

AYF333935

LM5008MMX

Optocoupler TLP521-1 DIP4

With zero-crossing optocoupler MOC3041M DIP6

Schottky diode, SS24, SR240, 40V/2A

ETA6002 ESOP8

LF356MX

LV8548MC

UC3846DWTR

LM321MFX

ETA2822E8A ESOP8

ETA6002E8A ESOP8

Bridge stack D10XB60 600V/10A

Rectifier diode 1N4004 M4 1A/400V SMA

CT3021

CT3041

CT3061

CT181

CT185

Touch MCU HOLTEK BS83B12-3 SSOP20

LCD Driver HT1621 SSOP48

AYF332135?

MAX1818EUT18-T

XRT5894IV-F

BL8325B SOP-8

BL8329B SOP-8

BL8335 TSOT23-8

BL8322 ESOP-8

BL6322 ESOP-8

BL6336 ESOP-8

MC2101A ESOP-8

MC2103A ESOP-8

SP3001 ESOP-8

SP6033 ESOP-8/T0252-5

SP6505 ESOP-8

SP6504 SOP-8

SP8005 SOP-6

SP8006 SOP-6

SP8007 DIP-7

NSi6112 SOP-8

NSi6116 SOP-8

NSi6312 SOP-8

NSi6316 SOP-8

GS92A3 TQFN23-4x4

SP1205 ESOP-8

SP1538 ESOP-8

SP1201 SOT23-6

SP1208 SOT23-6

SP1542 SOP-8

SP1506 SOP-8

SP1543 T0263-5

SX1308 SOT23-6

SP5280 SOT23-6

SP5280B SOT23-6

BL5802A SOT23-6

BL5802B SOT23-6

BL5802C SOT23-6

SP4054 SOT23-5

SP4055 SOT23-5

SP4056 SOP-8

SP4010 SOP-8

SP4010B ESOP-8

ANX6913ABK

RH6015C SOT23-6

RH6030 SOT23-6

288-0805-3.16K-RC

MAX3077EESA

222262901103

SN74LS126ADR

BAR64-05WE6327

3-822472-4

ANG5KP30A

AD8138AR

MAX811SEUS

AD648JNZ