Smart car watch key
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Catalog 1. Document modification record 3 2. Document purpose and control 4 2.1 purpose 4 2.2 Document modification control 4 3. Smart watch key standard 3.1 hardware configuration 5 3.2 Smart Watch solution 5 3.3 Smart watch key solution5 3.4 System operation logic 6 3.5 Technical parameter6 3.6 Design stack diagram 6 3.7 Hardware block diagram 7 3.8 Important components 7 3.9 Important note 8 4. DV experiment requirements 8 5. Note description 9
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The first version of the specification is released, and AOD engineers will be responsible for modifying and updating the document according to actual needs 2. Document purpose and control 2.1 purpose This specification defines the smart car watch key based on automobile market demand. include module design requirements, product performance description, design experiment requirements, system logic, etc 2.2 Document modification control Any modification and update of the content and format of the specification must be approved by AOD system engineer The document does not limit the appearance (round or square watch), the size description in the document is the existing smart watch key, and the appearance structure can be customized according to customer requirements 3. Smart watch key standard Smart watch key, round screen full touch design, dial diameter is about 45mm. Car key part Bluetooth + car key chip (high and low frequency way) design. It has the functions of smart watch on the market, such as exercise mode, sedentary reminder, sleep monitoring, message reminder, heart rate monitoring, call reminder, etc. Display screen
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Through the high and low frequency module, the car watch key has all the functions of the car key: short press to lock and unlock, long press to up and down window and open the tailgate, search for the car, etc. 3.1 Hardware configuration Material Bottom cover Face cover Watchband Watch buckle color PC+PA30%plastic Glass panel TPU(customizable watchband) stainless steel Black (optional) Heart rate: dual photoelectric heart rate sensor Calculating the number of steps: 3-axis gravity sensor Display: 1.28 inch LCD color screen TP: Full touch operation Bluetooth: Bluetooth 5.0 Battery: polymer lithium battery about 200 mAh, with protection cover Support system: above Android 6.0, IOS 9.0 3ATM Waterproof rating: 3ATM 3.2 Smart watch functional specifications Heart rate monitoring: It can record heart the whole day heart rate automatic, and measure and analyze the heart rate indicators at any time. A variety of sports modes: walking, running, cycling, mountain climbing, playing badminton, swimming, indoor running Sleep management: record sleep information and provide sleep report Information push function: call reminder (support rejection and silence), wechat information view, SMS information view. App timing reminder: silent alarm clock / schedule reminder / sedentary reminder /
drinking reminder Weather information: display the weather condition of the day (automatic update time of Bluetooth connection) Others: search for mobile phone, screen will light up when you lift your wrist. 3.3 Smart key function specification PKE function It can replace the car key, realize the remote control door unlock, lock, opening the trunk door, searching the car, etc PEPS function It can replace the car key to realize keyless entry and keyless start. The watch key
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can be started in the front and rear areas of the car, and supports the immo function. Low power reminder function When the power is lower than 20%, the low power reminder (vibration and screen display) will be given every other fixed period of time; when the power is lower than 10%, the watch will be closed and the PKE and PEPS functions will be retained, Charging with mobile devices 3.4 System operation logic Power button Power button Short press: wake up the screen, and then press to return to the dial Long press: press 3 seconds for any page to turn off Sport mode: short press to stop / Keep moving Key function: in the state of off / lock screen, press and hold two times to lock the vehicle,and press and hold three times to unlock the vehicle Sliding logic 1 . Slide right to left to enter the app list 2 Slide left to right to return 3 Slide status bar from up to bottom 4 Slide the message from bottom to top 5 Press and hold the main interface for 3 seconds to switch the dial Dial switch 1. In the main dial UI interface state, press and hold the dial for 3 seconds to enter the dial thumbnail, and slide left to switch the dial UI 2.The setting sequence of dial is fixed and does not cycle 3. The watch can store a total of 11 dials for UI use. By default, 6 dials are available for customers to switch, and up to 5 dials can be added to the app dial market. These 5 dials UI can be replaced by customers.
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ON / OFF screen:
1. Press the power button for 3 seconds to turn on the screen and enter the UI of the main interface 2. When the watch system is turned on by default, screen will light up when you lift your wrist. 3. The watch can be set for 5 seconds to 10 seconds without any operation information screen. After 5 seconds, the system will return to the main interface 4. In the motion mode to turned off screen, and the screen will stay in the motion state interface without logic returning to the main interface 5. The watch will not turn off the screen after the stopwatch and heart rate start. It will turn off after 5 seconds once stop 3.5 Technical parameter Watch weight: 50g (head 30g / strap 20g) Display screen: 1.28 "(TFT screen), 240 (R.G.B)*240 Working temperature: - 10 ~ 60 Working humidity: 0 ~ 95%; atmospheric pressure: 86 ~ 106kpa. Screen brightness: 250~300cd/
Service time: normal standby time 25 days, normal use time about 7 days Charging mode: magnetic suction charging stand, Voltage 5V, current 1a-2.1a,full charged in 1.1 hour Operation mode: full touch operation Wireless connection: connect watch through mobile App Bluetooth Screen + TP cable PCB board screen Vibrating motor Heart rate sensor Polymer battery Rechargeable thimble
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3.6 Important components NO Project important materials key LCD Power management 1ChipPatch MCU_NCF29A1 23D inductorAntenna_X-12702-029 3 High frequency ceramic antennaOnboard antenna 433Mhz 1 Power chipPatch transfer IC_BQ24045 2Power chip: Patch power IC_RT9073A-33GQZ 3battery402324HV-200mAh 4Battery conversion chipBattery conversion ICLSF0204RUTRUQFN,2.0*1.7mm 5Battery charging chipRecharge IC_SGM40561-4.35YTDE8G/
TR_22 0.75mm Display: TFT screen, resolutionResolution 240(R.G.B)*240 1.28"
MCU(BLE) Bluetooth chipC77540_NRF52840 Touch module GH301-PCBA module Vibration motor Cylindrical core motor _4*3*7 G-sensor Sensor Acceleration sensorKX023-1025 1 2 3 4 5 7 8 3.7 Important note 1The interior space of the watch case is designed by stacking the size of the components, and the appearance can be designed separately 2The bottom shell and cover of the watch are of glue sealing design, and the designed waterproof grade is 30 meter 3Smart key function, fully simulate the high and low frequency design scheme of car key, safe and reliable, low power consumption 4When the watch is in low voltage, a prompt will pop up on the screen to meet the priority of using the smart key. When the power is lower than 10%, the watch function will enter the off state automatic. 5The screen and touch panel are fully designed to avoid light leakage and save the internal space of the product
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6The matching mode and logic of the watch are the same as the original car key;
4. DV Important requirements of experiment test temperature 60 test time -48h test temperature -10test time 48H High temperature operation Low temperature operation Free-drop Vibration test Drop test of transport package Constant damp heat test Thermal Shock temperature variation surface process Drop height: 1m; the ground that accepts the drop: concrete floor or steel plate: temperature: room temperature. Falling direction: each sample has several spatial axes, and each drop is along a spatial axis direction (that is, aiming at the ground with one side of the shell) According to GB / t2423.10 test FC, the DUT is not power and vibrates in three mutually perpendicular directions After pretreated according to GB / T 4857.2 for 4 h, it was dropped according to GB / T 4857.5 and table 6 of the standard aTest time21 days bTest conditions471962%
Test temperatureHigh temperature 50Low temperature-10 Conversion time: < 30s; number of cycles: 170 The temperature holding time depends on the weight of the sample Divided into 30min (less than 0.68kg)60min0.68kg~4.53kg a) The test time was 21 cycles bTest conditions: high temperature 55 , low temperature - 10 RCA paper tape wear resistance 150 cycles Hundred grid test 4B Cosmetics resistance test (household detergent / soapy water /
sunscreen / Hand Cream / orange juice / tea / Cola / artificial sweat) Alcohol resistance 150 cycles Test method: according to GB / T 2423.17: salt spray Test time48H According to the standard of GB / t30106-2013 / iso22810:2010, the waterproof is up to 30 meters Salt spray performance Waterproof performance Electrostatic immunity According to Q / JQ 3627.10-2015, strength requirements L1: contact discharge 4KV, air discharge 6kV L2contact discharge6KVair discharge8KV L3contact discharge8KVair discharge15KV L4contact discharge15KVair discharge25KV Charge/discharge test Guarantee battery life for 2 years Key high / low frequency test Use a spectrum analyzer to test the high frequency 433.92MHz. 5. Note description 1) The watch has a waterproof rating of 30 meters, suitable for swimming in pools and shallows, not suitable for diving, and does not support sauna;
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2) After soaking in water, you need to wipe it clean with a soft cloth before you can operate the touch screen and charge;
3) The watch is compatible with seawater, casual and alkaline solutions. Aggressive liquids such as chemical reagents are not waterproof;
4) Corresponding certification can be made according to customer requirements, such as CE FCC ROHS GB4943, etc.;
5) The watch charging stand extension cable is a USB interface, which can be charged using the mobile phone charging stand, computer USB port, and power bank;
6) A mobile phone charging head with a rated output voltage of 5V and a current of 2A can be used for charging;
END
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FCCCaution Thisdevicecomplieswithpart15oftheFCCRules.Operationissubje followingtwoconditions:(1) Thisdevicemaynotcause thisd evice must acceptanyinterferencereceived,includinginterferencethatmay causeundesiredoperation. ctt othe harmfulinterference,and(2) AnyChangesormodifi compliance couldvoidtheuse r'sauthoritytooperatetheequipment. cationsnotexpre sslya pprovedbythepartyr esponsiblefor gyand,if itsforaClass not uctions,maycause harmfulinterference theFCCRules .Theselimitsaredesignedto ticularinstall ation.Ifthisequipmentdoescause Note: Thisequip ment hasbeentestedandfoundtocomplywiththelim Bdigitaldevice,pursu anttopart15of providereasonableprotec tiona gainstharmfulinterfere nceinaresidentialinstallation. Thisequi pmentgeneratesusesandcanradiateradiofrequencyener installedandusedinaccordancewiththeinstr torad iocommunications.However,thereisnoguaranteethatinterferencewillnot occurinapar radio ortelevisionrece ption,which canbedeterminedbyturnin andon,theuserisencouragedtotr followingm easures:
-Reorientorrelocatetherec
-Increasetheseparationbetw eentheequipment andrec eiver.
-Connecttheequi pmentintoanoutletonacircuitdifferentfromthattowhichthe receiverisconnected.
-Consultthedea leroranexperie ncedrad io/TVtechnicianf orhel p. harmfulinterferenceto gtheequipmentoff erencebyoneormoreofthe ytocorrecttheinterf eivingantenna. This equipmentcom plieswithFCC uncontrolledenviro nment. radiation exposure limits setfor thfo ran FCC ID: 2AXCOWY2-TF