Telematics Box HQT401

Telematics Box HQT401

Telematics box, as the so-called t-box, vehicle black box or smart box, is being widely used in fields such as insurance, periodic tenancy, fleet management, driver behavior management, electric vehicle remote management, and stolen vehicle recovery (SVR). The tbox makes a very important role in the whole telematics system.

In-house designed, developed and manufactured by Hopechart, the t-box HQT401 comes with GPS and GNSS positioning module, 4G LTE module, Wi-Fi hotspot, Bluetooth, internal battery, CAN Bus and RS232 ports. As the tbox HQT401 adopts design of vehicular gauge, it can stand extreme working environment and conditions. The tbox can realize vehicle remote tracking and monitoring, vehicle control, security detection and warning, vehicle remote diagnostics and breakdown call. Like our other tbox or tachograph products, the HQT401 can be also work together with the double Din Android multimedia screen.

II.Scope of application of Vehicle Tbox 4G LTE:

Vehicle location monitoring, vehicle status monitoring, vehicle control, firmware upgrade, B-CALL, CAN Bus tachograph, remote diagnostics, driving behavior analysis, hotspot share, wireless communication, information encryption, vehicle anti-theft.

III.Summary of Vehicle Tbox 4G LTE

The Tbox 4G LTE can be installed under the dashboard, under the seat of driver and in the trunk. It can be fixed with screws, Velcro or by customized method. Adaptively powered by vehicle power 12V or 24V, it can interact with vehicle via CAN interface.Tbox has been integrated with MCU, data storage module, GNSS module, wireless communication module, and CAN transceiver module. Meanwhile, the preserved interfaces support extension of external devices, such as infotainment screen, and all kinds of sensors.
Tbox System Block Diagram
Tbox System Block Diagram

 

Ⅳ. Function & feature of Vehicle Tbox 4G LTE

Category

Function

Description

Time & date

Time & date

Provide time and date (accurate to 1ms)

Automatic self-check

Automatic time correction, error less than 5s per day

Positioning

 

Support GPS/BD positioning and A-GPS, accuracy 5m. Support mobile base tower positioning.

Communication

Mobile telecom

FDD-LTE/ TDD-LTE/ TD-SCDMA/ UMTS/ EDGE/ GSM/ EVDO/ CDMA

SMS

Support parameter inquiry and setup by sending SMS order.

Multi-platform connection

Support connection with two or more platforms. Support sending different data to different platforms.

BT

Bluetooth 4.0 BLE, for data communication

Data gathering

CAN data gathering

Can gather vehicle data through 3 channels of high speed CAN

Audio signal gathering

With noise suppression feature, support external passive MIC, support audio monitoring

Voltage gathering

Gather and report main battery voltage and backup battery capacity

Data storage

Real-time data storage

The collected real-time data can be saved into the Tbox internal storage medium based on interval of 10ms. These data can be readout on computer.

Datarecovering

 

If network disconnects, the real-time data will be

saved into the local storage medium and be resent to

the monitoring platform once network recovers.

Independent operation

 

Tbox can continue to work when external power cuts off. The data of the first 30 minutes after power cuts off can be guaranteed to be sent to the platform.

Driver behavior

 

Analyzing driver behavior in real time, the device will report the events to the back-office platform once detecting bad driving behavior, including harsh acceleration, harsh turn, harsh deceleration and cornering without light.

Device management

Power management

Five modes: working mode, monitoring mode, sleep

mode, off mode, storage mode

Self-check

When being powered on and used, device will automatically check status of GPS and network and display the status by LED indicators.

Device control

Support remote and local program upgrading, parameter configuration and etc.

Data interaction

USB

Data export, parameter configuration and local upgrading, communication with display screen.

RS232

Parameter configuration, connection with external sensors.

CAN

Communication withCAN Bus and vehicle body.

Support ISO 11898and SAE J1939.

Hardware encryption

 

Support SM3, SM4, universal symmetric algorithm and asymmetric algorithm.

OTA

 

Support upgrading other ECUs of vehicle, which need to be confirmed with ECU manufacturers.

B-CALL

 

Support breakdown call

Wi-Fi

 

Provide Wi-Fi hotspot

V. Definition of Interface

Main interface
Main interface

PIN

Function

Remark

 

PIN

Function

Remark

1

KL15

ACC signal

21

Spare

 

2

IG_ON

 

22

Charging signal

Highlevel wakeup

3

GND

 

23

Charging signal

Low level wakeup

4

Digital signal 1

 

24

Spare

 

5

MIC OUT GND

 

25

MIC OUT

Can be connected to IHU

6

MIC IN

Micro input

26

MIC IN GND

 

7

Digital Signal 2

 

27

Spare

 

8

LINE OUT

 

28

LINE OUT -

 

9

Speaker +

 

29

Speaker -

 

10

BTN GND

 

30

BTN

 

11

Digital Signal 3

 

31

BTN CONN

 

12

Spare

 

32

24V/ 12V output

 

13

5V power

500mA output

33

Spare

 

14

RS232_RX1

 

34

RS232_TX1

 

15

RS232_TX2

 

35

RS232_RX2

 

16

Spare

 

36

Spare

 

17

CAN3_H

Conform to CAN2.0B

37

CAN3_L

Conform to CAN2.0B

18

CAN2_L

Conform to CAN2.0B

38

CAN2_H

Conform to CAN2.0B

19

CAN1_H

Conform to CAN2.0B, support CAN wakeup

39

CAN1_L

Conform to CAN2.0B, support CAN wakeup

20

KL30

Power

40

KL31

GND

 

 

VI. Appearance of Vehicle Tbox 4G LTE

Dimension: 138mm*78mm*30mmWeight: max. 400g (with battery)Material of housing: ABS+PC

VII. Product quality design of Vehicle Tbox 4G LTE

Design life: no less than 5 years or 200,000 kmMTBF: no less than 8000h12MIS: 50Production quality target: below 200 PPM
 

Appendix.Positioning & networking of Vehicle Tbox 4G LTE

1)Positioning feature

No.

Item

Spec

1

Cold start time

≤35S (in open environment)

2

Reacquisition time

≤1S (in open environment)

3

Hot start time

<1.5S (in open environment)

4

Static drift

<10m

5

Positioning accuracy

5m (in open environment)

6

Acquisition sensitivity

-150dBm

7

Tracking sensitivity

-160dBm

8

A-GPS

Support

2)Networking features

 

No.

Item

Spec

1

Communication mode

FDD-LTE/TDD-LTE/TD-SCDMA/UMTS/EDGE/ GSM/EVDO/CDMA;

2

Range of band

LTE-TDD Quad-band Band 38/39/40/41;

LTE-FDD Tri-band Band 1/3/8;

TD-SCDMA Dual-band Band 34/39;

UMTS Dual-band Band 1/8;

GSM Dual-band B3/B8;

EVDO BC0;

3

Maximum transmitting power

Class 4 (2 W) for GSM900

Class 1 (1 W) for GSM1800

Class E2 (0.5 W) for EDGE900

Class E2 (0.4 W) for EDGE1800

Class 3 (0.25 W) for TD-LTE/FDD-LTE/TD-SCDMA/UMTS

4

Receive sensitivity

Acquisition -158dBm

Tracking -162dBm

5

RF impedance

50Ω 

 

 

: +86-571-88963823
fax: +86-571-89775594
: info@hopechart.com
address: No. 3, Xiyuan 6th Rd, West Lake Hi-Tech Park, Hangzhou, China
 



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