CN110162012A - Entrucking carries T-BOX control device, system and method after a kind of - Google Patents
Entrucking carries T-BOX control device, system and method after a kind of Download PDFInfo
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- CN110162012A CN110162012A CN201910447443.8A CN201910447443A CN110162012A CN 110162012 A CN110162012 A CN 110162012A CN 201910447443 A CN201910447443 A CN 201910447443A CN 110162012 A CN110162012 A CN 110162012A
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Abstract
The invention discloses a kind of rear entruckings to carry T-BOX control device, system and method, including rear entrucking carries T-BOX unit, relay box, and rear dress T-BOX unit is arranged independently of one another with relay box and the two is connected；Wherein, rear entrucking carries T-BOX unit and is internally provided with T-BOX-RS232 control unit and T-BOX-MCU control unit, and T-BOX-MCU control unit is connect with T-BOX-RS232 control unit；Relay box is internally provided with RELAY-RS232 control unit, driving protection location, RELAY-MCU control unit and relay unit RELAY, RELAY-RS232 control unit and successively connect with RELAY-MCU control unit, driving protection location and relay unit RELAY.A kind of rear entrucking provided by the invention carries T-BOX control device, system and method, rear entrucking can be effectively improved and carry the anti-interference communicated between T-BOX and relay box, and it is not necessary that relay box is directly installed in above PCB, the available space for being conducive to reduce PCB effectively improves rear entrucking and carries T-BOX, relay box, vehicle device reliability of operation.
Description
Technical field
The present invention relates to mobile unit technical fields more particularly to a kind of rear entrucking to carry T-BOX control device, system and side
Method.
Background technique
As experience requirements of the user to automobile are higher and higher, remotely controlled by cell phone application door switch, whistle flashing light,
It is more and more extensive to open the applications such as air-conditioning, starting engine, vehicle location.Afterwards entrucking carry T-BOX (Telematics BOX, far
Journey message handler) pass through the data for reading automobile ECU (Electronic Control Unit electronic control unit) unit,
Acquire the bus data of automobile and Reverse Turning Control carried out to proprietary protocol, realize from vehicle device --- after rear entrucking carries T-BOX---
The overall applicability of platform service system --- cell phone application.Wherein after entrucking carry T-BOX data control then require by control after
Electric appliance (RELAY) switches over, and it is because planner is obtained from depot that preceding dress T-BOX, which does not need relay box control,
Vehicle proprietary protocol, but this automobile proprietary protocol is that depot will not open, so developing this client's body if necessary
Function is tested, then entrucking carries the scheme of T-BOX+ relay control after can only introducing.
Currently, entrucking load T-BOX control system is mainly the following type after existing:
The first: is by the way that relay box on-line equipment on the pcb board that rear entrucking carries T-BOX, is cut by relay box
Above the control signal end for the exterior strands that signal after changing is given to automobile by the output terminal of PCB；
Second: the outer lines of automobile are given to by output terminal by the IO output signal that rear entrucking carries the PCB of T-BOX
The signal input part of the relay box of beam；
The third: passing through Darlington transistor isolation drive by the IO output signal that rear entrucking carries the PCB of T-BOX, then pass through
Output terminal is given to the signal input part of the relay box of the exterior strands of automobile.
But for the first design scheme: the relay box at the end PCB directly exports I/O signal by the MCU of PCB, opens
Relay box is closed, so that the signal after being switched by relay box is exported to automotive wire bundle, but this signal is highly susceptible to vapour
The interference of vehicle external signal, and plug-in unit relay box is sufficiently bulky, it is many using the signal of control, and quantity is also very much,
Output end I/O pin wire rod is also very much, while being easy to occupy the existing space of PCB；Even if using the relay box of patch, but
It is that price is also very expensive.
Second of design scheme: it is externally controlled using the IO that rear entrucking carries the PCB of T-BOX, because of the power supply system of automobile
Complexity, this scheme is highly susceptible to automobile external interference, and the main MCU of PCB is easily caused to damage, and because relay
Box realizes that function is more, then it is more to need to control signal, then output end I/O pin wire rod is also many and later period installation interface also very
It is more, it is easy to maloperation.
The third design scheme: the IO output signal that rear entrucking carries the PCB of T-BOX passes through Darlington transistor isolation drive, this
Scheme can protect the main MCU safe operation of PCB, but output end signal pin wire rod can be had a problem in that very by remaining on
More and later period installation interface is also very much, it is easy to maloperation and be disturbed.
Therefore, a kind of rear entrucking load T-BOX control system that can solve the above problem is needed.
Summary of the invention
A kind of rear entrucking provided by the invention carries T-BOX control device, system and method, can effectively improve rear entrucking and carry
The anti-interference of T-BOX and relay box communication, and the available space of PCB can be effectively reduced, it is filled after effectively improving
Vehicle-mounted BOX, relay box, vehicle device reliability of operation.
To achieve the above object, on the one hand, the first embodiment of the present invention provides a kind of rear entrucking load T-BOX control dress
It sets, including rear entrucking carries T-BOX unit, relay box, fills T-BOX unit after described and is arranged independently of one another with the relay box
And the two is connected；Wherein,
Entrucking carries T-BOX unit and is internally provided with T-BOX-RS232 control unit (remote information processor-string after described
Port communications control unit) and T-BOX-MCU control unit (remote information processor-micro process control unit), the T-
BOX-MCU control unit is connect with the T-BOX-RS232 control unit；
The relay box be internally provided with RELAY-RS232 control unit (relay-serial communication control unit),
Protection location, RELAY-MCU control unit (relay-micro process control unit) and relay unit RELAY are driven, it is described
RELAY-RS232 control unit successively with the RELAY-MCU control unit, the driving protection location and the relay
Unit R ELAY connection.
Further, the rear entrucking, which carries, is additionally provided with for being the T-BOX-MCU control unit in T-BOX unit
With the T-BOX-PWR control unit of T-BOX-RS232 control unit power supply；Wherein,
The T-BOX-PWR control unit (remote information processor-power control unit) respectively with the T-BOX-
MCU control unit is connected with the T-BOX-RS232 control unit.
Further, it is additionally provided with inside the relay box for for the RELAY-RS232 control unit, described
The RELAY-PWR control of RELAY-MCU control unit, the driving protection location and relay unit RELAY power supply
Unit (relay-power control unit)；Wherein,
The RELAY-PWR control unit is controlled with the RELAY-RS232 control unit, the RELAY-MCU respectively
Unit processed, the driving protection location are connected with the relay unit RELAY.
On the other hand, the second embodiment of the present invention provide it is a kind of after entrucking carry T-BOX control system, including it is described after
Entrucking carries T-BOX control device, mobile terminal, background service system and vehicle device；
The mobile terminal successively carries T-BOX unit with the rear entrucking in the background service system, the control device
Connection；
The vehicle device is connect with the relay box in the control device；
The vehicle device includes vehicle device ECU unit, and the ECU unit is arranged inside the vehicle device.
Another aspect, a kind of rear entrucking that the third embodiment of the present invention provides carry T-BOX control method, and the method is extremely
Less the following steps are included:
It sends control instruction to the rear entrucking and carries T-BOX unit；
Entrucking carries T-BOX unit and the control instruction is converted to control signal after described, and the control signal is defeated
Out into the relay box；
The control signal is carried out level translation and insulation blocking by the relay box, and it is corresponding to obtain the control signal
I/O signal, and the I/O signal is transmitted to vehicle device；
The vehicle device makes corresponding response according to the I/O signal.
Further, entrucking carries T-BOX unit and the control instruction is converted to control signal after described, and by the control
Signal processed is output in the relay box, specifically:
The T-BOX-MCU control unit in T-BOX unit is carried by entrucking after described to convert the control instruction to pair
The control signal answered, and the control signal is transferred in the relay box by the T-BOX-MCU control unit.
Further, the control signal is carried out level translation and insulation blocking by the relay box, obtains the control
The corresponding I/O signal of signal processed, and the I/O signal is transmitted to the vehicle device, specifically:
The control signal is subjected to electricity by the RS232 chip of RELAY-RS232 control unit in the relay box
Flat turn obtains the corresponding I/O signal of the control signal, by the driving protection location in the relay box to the IO
Signal carries out insulation blocking, and the I/O signal after insulation blocking is transmitted in the vehicle device.
A kind of rear entrucking provided by the invention carries T-BOX control device, system and method, can effectively improve rear entrucking and carry
The anti-interference of T-BOX and relay box communication, to be conducive to improve the reliability and stability of signal transmission；And without inciting somebody to action
Relay box is directly installed in above PCB, is conducive to the available space for reducing PCB；It simultaneously being capable of effective protection by insulation blocking
The component at the end PCB is not damaged, effectively improves rear entrucking and carries BOX, relay box, vehicle device reliability of operation.
Detailed description of the invention
Fig. 1 is that a kind of rear entrucking that first embodiment of the invention provides carries the structural schematic diagram of T-BOX control device；
Fig. 2 is that a kind of rear entrucking that first embodiment of the invention provides carries the structural schematic diagram of T-BOX control system；
Fig. 3 is that a kind of rear entrucking that second embodiment of the invention provides carries the flow diagram of T-BOX control method.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The first embodiment of the present invention:
Please refer to Fig. 1.
It is provided in an embodiment of the present invention it is a kind of after entrucking carry T-BOX control device, including rear entrucking carry T-BOX unit 3, after
Electrical appliance kit 4, rear dress T-BOX unit 3 is arranged independently of one another with relay box 4 and the two is connected；Wherein,
Entrucking carries T-BOX unit 3 and is internally provided with T-BOX-RS232 control unit 303 and T-BOX-MCU control afterwards
Unit 302, T-BOX-MCU control unit 302 are connect with T-BOX-RS232 control unit 303；
Relay box 4 is internally provided with RELAY-RS232 control unit 402, driving protection location 404, RELAY-MCU
Control unit 403 and relay unit RELAY405, RELAY-RS232 control unit 402 successively control with RELAY-MCU single
Member 403, driving protection location 404 are connected with relay unit RELAY405.
In embodiments of the present invention, it is to be understood that the working principle of the embodiment of the present invention are as follows: pass through mobile terminal
1APP assigns the switching control instruction of control instruction, such as control car door, vehicle window, car light, lock and engine etc., backstage
Service system 2 receives the control instruction of mobile terminal 1APP, and control is referred to that being sent to rear entrucking carries in T-BOX unit 3, by rear
Entrucking load T-BOX unit 3 exports control signal and is controlled to relay box 4, to realize to the reversed of 5 proprietary protocol of vehicle device
Control, and then control the state of vehicle device 5.The embodiment of the present invention by mobile terminal 1 respectively with background service system 2, rear entrucking
It carries T-BOX unit 3, relay box 4 and vehicle device 5 to connect, realizes the Reverse Turning Control to 5 proprietary protocol of vehicle device, and in relay box 4
Portion is provided with driving protection location 404, exports related I/O signal to RELAY-MCU control unit 403 and carries out insulation blocking, energy
Enough effectively improve signal transmission anti-interference, while relay box 4 be internally provided with RELAY-RS232 control unit 402 with
And rear entrucking carries T-BOX unit 3 and is provided with T-BOX-RS232 control unit 303, passes through so that rear entrucking carries T-BOX unit 3
The communication modes of RS232 are communicated with relay box 4, and in existing distance, the communication modes of RS232 have high anti-interference
Property, the switching of relay box 4 is not interfered with, so as to further increase the stability and reliability of signal transmission, in turn
Be conducive to entrucking after improving and carry T-BOX unit 3,5 reliability of operation of relay box 4 and vehicle device.
Referring to FIG. 1-2, in embodiments of the present invention, rear entrucking, which carries, is additionally provided with for being T- in T-BOX unit 3
The T-BOX-PWR control unit 301 that BOX-MCU control unit 302 and T-BOX-RS232 control unit 303 are powered；Wherein,
T-BOX-PWR control unit 301 is single with T-BOX-MCU control unit 302 and T-BOX-RS232 control respectively
Member 303 connects；
T-BOX-MCU control unit 302 is connect with T-BOX-RS232 control unit 303.
In embodiments of the present invention, rear entrucking carry T-BOX unit 3 in, by T-BOX-PWR control unit 301 directly to
T-BOX-MCU control unit 302 and T-BOX-RS232 control unit 303 are powered, when after entrucking carry T-BOX unit Unit 3 and connect
Control instruction is received, then rs 232 serial interface signal is exported by T-BOX-MCU control unit 302 and is transformed into T-BOX-RS232 control is single
303, T-BOX-RS232 of member control unit 303 exports RS232 according to the rs 232 serial interface signal that T-BOX-MCU control unit 302 exports
Signal.
Referring to FIG. 1-2, in embodiments of the present invention, it is additionally provided with inside relay box 4 for being RELAY-RS232
What control unit 402, RELAY-MCU control unit 403, driving protection location 404 and relay unit RELAY405 powered
RELAY-PWR control unit 401；Wherein,
RELAY-PWR control unit 401 respectively with RELAY-RS232 control unit 402, RELAY-MCU control unit
403, driving protection location 404 is connected with relay unit RELAY405；
RELAY-RS232 control unit 402 successively with RELAY-MCU control unit 403, driving protection location 404 and
Relay unit RELAY405 connection.
In embodiments of the present invention, in relay box 4, T-BOX- is received by RELAY-RS232 control unit 402
The RS232 signal that RS232 control unit 303 issues realizes level translation by RS232 chip, sends RELAY-MCU control to
Unit 403 processed, RELAY-MCU control unit 403 export related I/O signal and realize insulation blocking to driving protection location 404, and
Related I/O signal after insulation blocking is directly output to relay unit RELAY405.
Please refer to Fig. 1-2:
The second embodiment of the present invention.
The embodiment of the invention provides a kind of rear entruckings to carry T-BOX control system, including rear entrucking carries T-BOX control dress
It sets, mobile terminal 1, background service system 2 and vehicle device 5；
Mobile terminal 1 successively carries T-BOX unit 3 with the rear entrucking in background service system 2, control device and connect；
Vehicle device 5 is connect with the relay box 4 in control device；
Vehicle device 5 includes vehicle device ECU unit 501, and ECU unit 501 is arranged inside vehicle device 5.
In embodiments of the present invention, when vehicle device 5ECU unit 501 receives the signal of relay unit RELAY405 sending
When, then the signal acquisition data issued inside vehicle device 5ECU unit 501 according to relay unit RELAY405, vehicle device 5 is according to institute
The control instruction that the corresponding mobile terminal APP of data is issued is collected, the corresponding state of control instruction is made, to realize long-range control
The function of vehicle device 5 processed.
The implementation of the embodiments of the present invention has the following beneficial effects:
In embodiments of the present invention, the embodiment of the present invention by mobile terminal 1 respectively with background service system 2, rear entrucking
It carries T-BOX unit 3, relay box 4 and vehicle device 5 to connect, realizes the Reverse Turning Control to 5 proprietary protocol of vehicle device, be not necessarily to relay
Box 4 is mounted on PCB, is conducive to the available space for reducing PCB；And relay box 4 is internally provided with driving protection location 404,
Related I/O signal is exported to RELAY-MCU control unit 403 and carries out insulation blocking, be conducive to protect the component at the end PCB not by
Damage, and can significantly reduce the pin wire rod of the end PCB output end signal, moreover it is possible to simplify later period installation interface, reduces and accidentally grasp
Make, additionally it is possible to effectively improve the anti-interference of signal transmission；It is single to be internally provided with RELAY-RS232 control for relay box 4 simultaneously
Member 402 and rear entrucking carry T-BOX unit 3 and are provided with T-BOX-RS232 control unit 303, so that rear entrucking load T-BOX is mono-
Member 3 is communicated by the communication modes of RS232 with relay box 4, and in existing distance, the communication modes of RS232 have
High anti-interference ability does not interfere with the switching of relay box 4, so as to further increase the stability of signal transmission and reliable
Property, and then be conducive to entrucking after improving and carry BOX3,5 reliability of operation of relay box 4 and vehicle device.
The third embodiment of the present invention:
Please refer to Fig. 3.
A kind of rear entrucking provided in an embodiment of the present invention carries T-BOX control method, and this method at least includes the following steps:
S1, control instruction is sent to rear entrucking load T-BOX unit 3；
S2, rear entrucking carry T-BOX unit 3 and control instruction are converted to control signal, and control signal is output to relay
In device box 4；
S3, relay box 4 will control signal and carry out level translation and insulation blocking, obtain the corresponding IO letter of control signal
Number, and I/O signal is transmitted to vehicle device 5；
S4, vehicle device 5 make corresponding response according to I/O signal.
In embodiments of the present invention, insulation blocking is carried out to control signal by driving protection location, can effectively protected
The element for protecting the end PCB is not damaged；Entrucking carries the communication modes between T-BOX unit 3 and relay box 4 and communicates for RS232 afterwards,
Be conducive to entrucking after improving and carry the anti-interference that T-BOX unit 3 and relay box 4 communicate；And it is not necessary that relay box 4 is mounted on
On PCB, be conducive to the available space for increasing PCB, reduce the pin wire rod of the end PCB output end signal, simplifies later period installation interface,
Be conducive to entrucking after improving and carry T-BOX unit 3, relay box 4 and 5 reliability of operation of vehicle device.
As a kind of specific embodiment of the embodiment of the present invention, rear entrucking carries T-BOX unit 3 and is converted to control instruction
Signal is controlled, and control signal is output in relay box 4, specifically:
The T-BOX-MCU control unit 302 in T-BOX, which is carried, by rear entrucking converts corresponding control for control instruction
Signal, and transmitted control signals in relay box 4 by T-BOX-MCU control unit 302.
As a kind of specific embodiment of the embodiment of the present invention, relay box 4 will control signal carry out level translation and
Insulation blocking obtains the corresponding I/O signal of control signal, and I/O signal is transmitted to vehicle device, specifically:
Signal, which will be controlled, by the RS232 chip of RELAY-RS232 control unit 402 in relay box carries out level turn
Change, obtain the corresponding I/O signal of control signal, I/O signal is isolated in the driving protection location 404 by relay box 4
Protection, the I/O signal after insulation blocking is transmitted in vehicle device.
In embodiments of the present invention, it will be controlled by the RS232 chip of RELAY-RS232 control unit 402 in relay box
Signal processed carries out level translation so that rear entrucking carry between T-BOX unit 3 and relay box 4 by the communication modes of RS232 into
Row communication, in existing distance, the communication modes of RS232 are conducive to improve the anti-interference of signal transmission, so as to have
Improve the stability that relay box 4 switches in effect ground；Insulation blocking is carried out to I/O signal by driving protection location, is conducive to improve
The reliability of signal transmission, to be conducive to improve the reliability and accuracy of this control method.
The implementation of the embodiments of the present invention has the following beneficial effects:
In embodiments of the present invention, insulation blocking is carried out by driving 404 pairs of control signals of protection location, it can be effectively
Protect the element at the end PCB not damaged；It is logical for RS232 to carry the communication modes between T-BOX unit 3 and relay box 4 for entrucking afterwards
News are conducive to entrucking after improving and carry the anti-interference that T-BOX unit 3 and relay box 4 communicate；And it is not necessary that relay box is installed
On PCB, be conducive to the available space for increasing PCB, reduce the pin wire rod of the end PCB output end signal, simplifies later period installation and connect
Mouthful, be conducive to entrucking after improving and carry T-BOX unit 3, relay box 4 and 5 reliability of operation of vehicle device.
It is the preferred embodiment of the present invention above, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
Claims (7)
1. entrucking carries T-BOX control device after a kind of, which is characterized in that carry T-BOX unit, relay box, institute including rear entrucking
Dress T-BOX unit is arranged independently of one another with the relay box after stating and the two is connected；Wherein,
Entrucking carries T-BOX unit and is internally provided with T-BOX-RS232 control unit and T-BOX-MCU control list after described
Member；The T-BOX-MCU control unit is connect with the T-BOX-RS232 control unit；
The relay box is internally provided with RELAY-RS232 control unit, driving protection location, RELAY-MCU control list
Member and relay unit RELAY, the RELAY-RS232 control unit successively with the RELAY-MCU control unit, described
Driving protection location is connected with the relay unit RELAY.
2. entrucking carries T-BOX control device after as described in claim 1, which is characterized in that entrucking carries T-BOX unit after described
It is inside additionally provided with for the T-BOX- for the T-BOX-MCU control unit and T-BOX-RS232 control unit power supply
PWR control unit；Wherein,
The T-BOX-PWR control unit is controlled with the T-BOX-MCU control unit and the T-BOX-RS232 respectively
Unit connection.
3. entrucking carries T-BOX control device after as described in claim 1, which is characterized in that also set inside the relay box
Be equipped with for for the RELAY-RS232 control unit, the RELAY-MCU control unit, the driving protection location and
The RELAY-PWR control unit of the relay unit RELAY power supply；Wherein,
The RELAY-PWR control unit is single with the RELAY-RS232 control unit, RELAY-MCU control respectively
First, the described driving protection location is connected with the relay unit RELAY.
4. entrucking carries T-BOX control system after a kind of, which is characterized in that including dress rear as described in any one of claim 1-3
Vehicle-mounted T-BOX control device, mobile terminal, background service system and vehicle device；
The mobile terminal successively carries T-BOX unit with the rear entrucking in the background service system, the control device and connect；
The vehicle device is connect with the relay box in the control device；
The vehicle device includes vehicle device ECU unit, and the ECU unit is arranged inside the vehicle device.
5. it is a kind of after entrucking carry T-BOX control method, which is characterized in that the method in claim 4 it is described it is vehicle-mounted after
It is executed in dress T-BOX control system；The method at least includes the following steps:
It sends control instruction to the rear entrucking and carries T-BOX unit；
Entrucking carries T-BOX unit and the control instruction is converted to control signal after described, and the control signal is output to
In the relay box；
The control signal is carried out level translation and insulation blocking by the relay box, obtains the corresponding IO of the control signal
Signal, and the I/O signal is transmitted to vehicle device；
The vehicle device makes corresponding response according to the I/O signal.
6. entrucking carries T-BOX control method after as claimed in claim 5, which is characterized in that entrucking carries T-BOX unit after described
The control instruction is converted to control signal, and the control signal is output in the relay box, specifically:
By entrucking after described carry the T-BOX-MCU control unit in T-BOX unit convert the control instruction to it is corresponding
Signal is controlled, and the control signal is transferred in the relay box by the T-BOX-MCU control unit.
7. entrucking carries T-BOX control method after as claimed in claim 5, which is characterized in that the relay box is by the control
Signal processed carries out level translation and insulation blocking, obtains the corresponding I/O signal of the control signal, and the I/O signal is transmitted
The extremely vehicle device, specifically:
The control signal level is carried out by the RS232 chip of RELAY-RS232 control unit in the relay box to turn
Change, the corresponding I/O signal of the control signal is obtained, by the driving protection location in the relay box to the I/O signal
Insulation blocking is carried out, the I/O signal after insulation blocking is transmitted in the vehicle device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910447443.8A CN110162012A (en) | 2019-05-27 | 2019-05-27 | Entrucking carries T-BOX control device, system and method after a kind of |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910447443.8A CN110162012A (en) | 2019-05-27 | 2019-05-27 | Entrucking carries T-BOX control device, system and method after a kind of |
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