CN106774239A - A kind of Portable engineering vehicle vehicle-mounted ECU detection means - Google Patents
A kind of Portable engineering vehicle vehicle-mounted ECU detection means Download PDFInfo
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- CN106774239A CN106774239A CN201611042650.8A CN201611042650A CN106774239A CN 106774239 A CN106774239 A CN 106774239A CN 201611042650 A CN201611042650 A CN 201611042650A CN 106774239 A CN106774239 A CN 106774239A
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
A kind of Portable engineering vehicle vehicle-mounted ECU detection means of the invention, including：Main processor modules, power management module, power module, display module, input module, output module, key control module and communication interface modules;Power module, display module, input module, output module, communication interface modules and key control module are connected with main processor modules, communication interface modules is also connected by the key control module with the output module, and power management module is powered for power module.The present invention not only can be with output signal drive control device port, can also receive and detect the input signal of controller, and possess CAN, RS232 communication function, support various flexible easily power supply modes, with small volume, the congruent feature of portable, low in energy consumption, input/output function, be particularly suitable for production test scene it is a series of without complete testing conditions in the environment of, whether diagnosis Vehicle Controller function normal, quickly positions failure.
Description
Technical field
The present invention relates to engineering truck Vehicle Controller detection field, more particularly to a kind of portable, low-power consumption, suitable debugging
Onsite application, the various input interfaces of offer, the engineering truck vehicle-mounted ECU detection means of various output signals.
Background technology
Engineering truck controller is the control axis of engineering truck, is the heart of Full Vehicle System, and the quality of its performance is directly
Whether determine vehicle normal work, therefore judge engineering truck controller performance quality and occur in engineering truck controller
Its failure is positioned during failure to be accomplished by by means of specific detection means.Can be right in laboratory conditions on current domestic and international market
Testing equipment numerous and complicated, vdiverse in function, powerful that the engineering truck controller not dispatched from the factory is detected, but they are most
With volume it is big, power consumption is high, high cost feature, is typically due to the reasons such as not portable, power supply is difficult, cost is high, do not apply to
The controller under industry control site environment is had been mounted in detection.Therefore, a kind of portable, low-power consumption, low cost are designed, is fitted
Idea for the engineering truck controller detection means at the simple and crude industry control scene of condition is arisen at the historic moment.
The content of the invention
Multiinputoutput function is provided simultaneously with it is an object of the invention to design a kind of portable, low-power consumption, low cost
Engineering truck controller detection means, to be carried out to the input/output port of engineering truck controller in occasions such as industry control scenes
Functional test, judge controller whether normal work, quickly position guilty culprit.
The technical solution for realizing the object of the invention is：A kind of Portable engineering vehicle vehicle-mounted ECU detection means, bag
Include：Main processor modules, power management module, power module, display module, input module, output module, key control module
And communication interface modules；
The power module, display module, input module, output module, communication interface modules and key control module
It is connected with the main processor modules, the communication interface modules also passes through the key control module and the output module
Connection, the power management module is powered for power module.
As a further improvement, the input module includes digital-quantity input interface, frequency quantity input interface and simulation
Amount input interface；The output module includes digital-quantity output interface, frequency quantity output interface and analog output interface circuit；Institute
Stating power management module includes controller power source output supply, reset control and external sensor power supply circuit；The communication
Interface module includes CAN interface module, RS232 multi-protocols serial port module and its matching and protection circuit；
The simulated measurement input circuit includes analog quantity current input circuit, analog quantity resistance input circuit and analog quantity
Voltage input circuit.
As a further improvement, the digital input circuit includes that P-channel enhancement type metal-oxide-semiconductor, the first N-channel are enhanced
Metal-oxide-semiconductor, the first pull-up resistor, the second pull-up resistor, the first pull down resistor, the second pull down resistor [Rdown2], the first diode,
Second diode, the first electric capacity, first resistor, Pull_UP interfaces, Pull_Down interfaces, DigitalIN interfaces, CPU_IO connect
Mouth, power Vcc and power supply Vbat；
Drain D and the power Vcc connection of P-channel enhancement type metal-oxide-semiconductor, the source S of P-channel enhancement type metal-oxide-semiconductor are sequentially connected in series
The drain D of the second pull-up resistor, the first diode, the first pull down resistor and the enhanced metal-oxide-semiconductor of the first N-channel, a N
The source S ground connection of channel enhancement metal-oxide-semiconductor；
The positive pole of first diode and the second pull-up resistor are connected, the grid G and Pull_ of P-channel enhancement type metal-oxide-semiconductor
UP interfaces are connected, and the first pull-up resistor is provided between the grid G and power Vcc of the P-channel enhancement type metal-oxide-semiconductor；
Grid G and Pull_Down the interfaces connection of the enhanced metal-oxide-semiconductor of the first N-channel, the enhanced MOS of the first N-channel
The grid G of pipe is also grounded by the second pull down resistor；
The negative pole connection of power supply Vbat and the second diode, the positive pole of second diode passes through the first capacity earth；
Digital IN interfaces pass sequentially through first resistor, the positive pole of the negative pole of the first diode and the second diode and
CPU_IO interfaces are connected.
As a further improvement, the analog quantity current input circuit includes power supply Vsense, power Vcc, CPU_
Analog_In interfaces, high precision sampling resistance, the second electric capacity and the 3rd diode；
Power supply Vsense connects CPU_Analog_In interfaces, the power supply Vsense and the CPU_Analog_In interfaces
Between and be connected to three road circuits, circuit one is the circuit being grounded by high precision sampling resistance, and circuit two is by the second electric capacity
The circuit of ground connection, circuit three is the circuit being directly connected with power Vcc by the 3rd diode, the negative pole of the 3rd diode
Connected with power Vcc.
As a further improvement, the analog quantity resistance input circuit includes power Vcc, CPU_Analog_In interfaces, treats
Measuring resistance Rin, high precision sampling resistance, the 3rd electric capacity and the 4th diode；
CPU_Analog_In interfaces are grounded by testing resistance, the CPU_Analog_In interfaces and testing resistance it
Between respectively and be connected to three road circuits, circuit one is concatenation and the circuit of power Vcc, and circuit two is the electricity by the 3rd capacity earth
Road, circuit three is the circuit being directly connected with power Vcc by the 4th diode, the negative pole and power supply of the 4th diode
Vcc is connected；
As a further improvement, the analog quantity voltage input circuit includes power Vcc, voltage interface to be measured, CPU_
Analog_In interfaces, pull-up resistor, pull down resistor, bleeder circuit, the 5th diode and the 4th electric capacity；
Voltage interface to be measured is by potential-divider network and the connection of CPU_Analog_In interfaces, voltage interface to be measured and partial pressure net
Two-way circuit is provided between network, circuit one is the circuit for being sequentially connected in series pull-up resistor, switch and power Vcc, and circuit two is
It is sequentially connected in series switch, pull down resistor and the circuit being grounded；Two-way electricity is provided between CPU_Analog_In interfaces and potential-divider network
Road, circuit one is the circuit being connected with power Vcc by the 5th diode, the negative pole and the power supply of the 5th diode
Vcc is connected, and circuit two is the circuit by the 4th capacity earth；
As a further improvement, the frequency quantity output circuit include power supply Vbat, I/O interface, comparing unit CCU6,
Power Switch, second resistance, 3rd resistor, the 6th diode and EMI Filter；
The comparing unit CCU6 and Power Switch is connected, and the Power Switch include Control Logic
And the second enhanced metal-oxide-semiconductor of N-channel, the grid G of the Control Logic and the enhanced metal-oxide-semiconductor of the second N-channel connects
Connect, between the comparing unit CCU6 and Power Switch and be connected to a second resistance, another termination of the second resistance
Ground, drain D and power supply the Vbat connection of the enhanced metal-oxide-semiconductor of the second N-channel, source S is sequentially connected in series 3rd resistor, EMI
Filter and I/O interfaces, between the 3rd resistor and EMI Filter and are connected to the 6th diode, the described 6th 2
The plus earth of pole pipe.
As a further improvement, the detection means has been internally integrated BootLoader software function modules.
As a further improvement, the main processor modules are Infineon processor C166.
Compared with prior art, its remarkable advantage is the present invention：The present invention not only can be with output signal drive control device end
Mouthful, the input signal of controller can also be received and detect, and possess CAN, RS232 communication function, support various flexibly convenient
Power supply mode, such as portable power source, notebook computer USB interface, Switching Power Supply, with small volume, portable, low in energy consumption, defeated
Enter output function congruence feature, be particularly suitable for the production tests such as engineering truck controller erecting bed, outfield debugging and show
It is a series of without complete testing conditions in the environment of, whether diagnosis Vehicle Controller function normal, quickly positions failure.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the invention.
Fig. 2 is digital input circuit figure.
Fig. 3 is analog quantity current input circuit figure.
Fig. 4 is analog quantity resistance input circuit figure.
Fig. 5 is analog quantity voltage input circuit figure.
Fig. 6 is frequency quantity output circuit figure.
Specific embodiment
With reference to accompanying drawing, a kind of Portable engineering vehicle vehicle-mounted ECU detection means of the invention, including：Main processor modules,
Power management module, power module, display module, input module, output module, key control module and communication interface mould
Block；
The power module, display module, input module, output module, communication interface modules and key control module
It is connected with the main processor modules, the communication interface modules also passes through the key control module and the output module
Connection, the power management module is powered for power module.
The input module includes digital-quantity input interface, frequency quantity input interface and analog input interface；It is described
Output module includes digital-quantity output interface, frequency quantity output interface and analog output interface circuit；The communication interface modules
Including CAN interface module, RS232 multi-protocols serial port module and its matching and protection circuit；
The simulated measurement input circuit includes analog quantity current input circuit, analog quantity resistance input circuit and analog quantity
Voltage input circuit.
The digital input circuit includes P-channel enhancement type metal-oxide-semiconductor, the enhanced metal-oxide-semiconductor of the first N-channel, the first pull-up
Resistance Rup1, the second pull-up resistor Rup2, the first pull down resistor Rdown1, the second pull down resistor Rdown2, the first diode D1,
Second diode D2, the first electric capacity C1, first resistor R1, Pull_UP interface, Pull_Down interfaces, Digital IN interfaces,
CPU_IO interfaces, power Vcc and power supply Vbat；
Drain D and the power Vcc connection of P-channel enhancement type metal-oxide-semiconductor, the source S of P-channel enhancement type metal-oxide-semiconductor are sequentially connected in series
The leakage of the second pull-up resistor Rup2, the first diode D1, the first pull down resistor Rdown1 and the enhanced metal-oxide-semiconductor of the first N-channel
Pole D, the source S ground connection of the enhanced metal-oxide-semiconductor of the first N-channel；
The positive pole of the first diode D1 and the second pull-up resistor Rup2 are connected, the grid G of P-channel enhancement type metal-oxide-semiconductor
With the connection of Pull_UP interfaces, the first pull-up electricity is provided between the grid G and power Vcc of the P-channel enhancement type metal-oxide-semiconductor
Resistance Rup1；
Grid G and Pull_Down the interfaces connection of the enhanced metal-oxide-semiconductor of the first N-channel, the enhanced MOS of the first N-channel
The grid G of pipe is also grounded by the second pull down resistor Rdown2；
The negative pole connection of power supply Vbat and the second diode D2, the positive pole of the second diode D2 passes through the first electric capacity C1
Ground connection；
Digital IN interfaces pass sequentially through first resistor R1, the negative pole of the first diode D1 and the second diode D2's
Positive pole and CPU_IO interfaces are connected.
The analog quantity current input circuit includes power supply Vsense, power Vcc, CPU_Analog_In interfaces, high accuracy
Sampling resistor Rs1, the second electric capacity C2 and the 3rd diode D3；
Power supply Vsense connects CPU_Analog_In interfaces, the power supply Vsense and the CPU_Analog_In interfaces
Between and be connected to three road circuits, circuit one is the circuit being grounded by high precision sampling resistance Rs1, and circuit two is by the second electricity
Hold the circuit of C2 ground connection, circuit three is the circuit being directly connected with power Vcc by the 3rd diode D3, the 3rd diode
Negative pole and the power Vcc connection of D3.
The analog quantity resistance input circuit includes power Vcc, CPU_Analog_In interfaces, testing resistance Rin, high-precision
Degree sampling resistor Rs2, the 3rd electric capacity C3 and the 4th diode D4；
CPU_Analog_In interfaces are grounded by testing resistance Rin, the CPU_Analog_In interfaces and electricity to be measured
Respectively and three road circuits are connected between resistance Rin, circuit one is concatenation Rs2 and the circuit of power Vcc, and circuit two is by the 3rd electricity
Hold the circuit of C3 ground connection, circuit three is the circuit being directly connected with power Vcc by the 4th diode D4, the 4th diode
Negative pole and the power Vcc connection of D4.
The analog quantity voltage input circuit includes power Vcc, voltage interface to be measured, CPU_Analog_In interfaces, pull-up
Resistance Rup, pull down resistor Rdown, bleeder circuit, the 5th diode D5 and the 4th electric capacity C4；
Voltage interface to be measured is by potential-divider network and the connection of CPU_Analog_In interfaces, voltage interface to be measured and partial pressure net
Two-way circuit is provided between network, circuit one is the circuit for being sequentially connected in series pull-up resistor Rup, switch and power Vcc, circuit two
It is the circuit for being sequentially connected in series switch, pull down resistor Rdown and be grounded；Set between CPU_Analog_In interfaces and potential-divider network
There is two-way circuit, circuit one is the circuit being connected with power Vcc by the 5th diode D5, the negative pole of the 5th diode D5
It is connected with the power Vcc, circuit two is the circuit being grounded by the 4th electric capacity C4.
The frequency quantity output circuit includes power supply Vbat, I/O interface, comparing unit CCU6, Power Switch, second
Resistance R2,3rd resistor R3, the 6th diode D6 and EMI Filter；
The comparing unit CCU6 and Power Switch is connected, and the Power Switch include Control Logic
And the second enhanced metal-oxide-semiconductor of N-channel, the grid G of the Control Logic and the enhanced metal-oxide-semiconductor of the second N-channel connects
Connect, between the comparing unit CCU6 and Power Switch and be connected to a second resistance R2, second resistance R2's is another
End ground connection, the enhanced metal-oxide-semiconductor of the second N-channel drain D and power supply Vbat connection, source S be sequentially connected in series 3rd resistor R3,
EMI Filter and I/O interfaces, between the 3rd resistor R3 and EMI Filter and are connected to a 6th diode D6, institute
State the plus earth of the 6th diode D6.
The detection means has been internally integrated BootLoader software function modules.
The main processor modules are Infineon processor C166.
Further detailed description is done to the present invention with reference to embodiment.
Embodiment
A kind of Portable engineering vehicle vehicle-mounted ECU detection means of the present invention, is related to the multiple work(such as signal output, signal input
Energy module, it is adaptable to engineering truck Vehicle Controller detection field.
The present invention includes：Main processor modules, power management module, power module, display module, input module, output
Module, key control module and communication interface modules；Power module, display module, input module, output module, communication connect
Mouth mold block and key control module are connected with main processor modules, and communication interface modules also passes through the key control module
It is connected with output module, power management module is powered for power module.
Input module includes digital-quantity input interface, frequency quantity input interface and analog input interface；Output module
Including digital-quantity output interface, frequency quantity output interface and analog output interface circuit；Power management module includes controller electricity
Source output is supplied, reset control and external sensor power supply circuit；Power management module realizes the power supply to whole controller
Management, realizes that incoming level is changed ,+5V, the supply voltage of+3.3V needed for also exportable controller internal circuit, and+6V
PWM/ digital quantities drive the upper pull-up voltage of output.
Communication interface modules includes CAN interface module, RS232 multi-protocols serial port module and its matching and protection electricity
Road, with stronger antijamming capability.
Display module is used to show high/low, frequency quantity frequency, the analog quantity currency of the digital quantity of input/output.
Key control module can be used to control CAN, RS232, digital output, analog output, frequency quantity output etc. defeated
Go out signal unlatching whether, when engineering truck controller to be measured need not detect above-mentioned signal, can be filled by button disconnection detection
The corresponding output put, reduces system power dissipation, lifts operational efficiency.The output of output module is enabled by key control module control
System, realization is exported on demand, closes unwanted output function, reduces system power dissipation.
Simulated measurement input circuit includes analog quantity current input circuit, analog quantity resistance input circuit and analog quantity voltage
Input circuit, analog input interface supports voltage, electric current, the resistance value of detection input.
Fig. 2 is digital input circuit, supports that software merit rating is pull-up input/drop-down input, is respectively used to engineering truck
Controller low level/high level output is detected.Digital-quantity input interface supports that it is height to select in the way of software programming
Level input is effectively or low level input is effective.
Digital input circuit includes P-channel enhancement type metal-oxide-semiconductor, the enhanced metal-oxide-semiconductor of the first N-channel, the first pull-up resistor
Rup1, the second pull-up resistor Rup2, the first pull down resistor Rdown1, the second pull down resistor Rdown2, the first diode D1, second
Diode D2, the first electric capacity C1, first resistor R1, Pull_UP interface, Pull_Down interfaces, Digital IN interfaces, CPU_
I/O interface, power Vcc and power supply Vbat；
Drain D and the power Vcc connection of P-channel enhancement type metal-oxide-semiconductor, the source S of P-channel enhancement type metal-oxide-semiconductor are sequentially connected in series
The leakage of the second pull-up resistor Rup2, the first diode D1, the first pull down resistor Rdown1 and the enhanced metal-oxide-semiconductor of the first N-channel
Pole D, the source S ground connection of the enhanced metal-oxide-semiconductor of the first N-channel；
The positive pole of the first diode D1 and the second pull-up resistor Rup2 are connected, the grid G of P-channel enhancement type metal-oxide-semiconductor and
Pull_UP interfaces are connected, and the first pull-up resistor Rup1 is provided between the grid G and power Vcc of P-channel enhancement type metal-oxide-semiconductor；
Grid G and Pull_Down the interfaces connection of the enhanced metal-oxide-semiconductor of the first N-channel, the enhanced metal-oxide-semiconductor of the first N-channel
Grid G is also grounded by the second pull down resistor Rdown2；The negative pole connection of power supply Vbat and the second diode D2, the second diode
The positive pole of D2 is grounded by the first electric capacity C1；Digital IN interfaces pass sequentially through first resistor R1, the first diode D1 it is negative
Pole and positive pole and CPU_IO the interfaces connection of the second diode D2.
Pull_UP interfaces and Pull_Down interfaces are respectively the GPIO for accessing CPU, are enabled as pullup/pulldown and switched,
Software design patterns Pull_UP interfaces, Pull_Down interfaces output low level, can open pull-up switch, and closing pulls down switch, will
Circuit is configured to pull-up output, is used to detect the digital quantity input of Low level effective；Software design patterns Pull_UP interfaces, Pull_
Down interfaces export high level, can open and pull down switch, and close pull-up switch, and circuit is configured into drop-down output, are used to examine
Survey the effective digital quantity input of high level.
Analog quantity current input circuit as shown in Figure 3, the analog quantity current input circuit includes power supply Vsense, power supply
Vcc, CPU_Analog_In interface, high precision sampling resistance Rs1, the second electric capacity C2 and the 3rd diode D3；Power supply Vsense
Connection CPU_Analog_In interfaces, between power supply Vsense and the CPU_Analog_In interfaces and are connected to three road circuits, electricity
The circuit that Lu Yiwei is grounded by high precision sampling resistance Rs1, circuit two is the circuit being grounded by the second electric capacity C2, circuit three
Directly to pass through the circuit that the 3rd diode D3 is connected with power Vcc, negative pole and the power Vcc connection of the 3rd diode D3.Survey
Magnitude of voltage of the electric current to be measured by Rs1 two ends after Rs1 is measured, and then is calculated current value to be measured.
Analog quantity resistance input circuit as shown in Figure 4, the analog quantity resistance input circuit includes power Vcc, CPU_
Analog_In interfaces, testing resistance Rin, high precision sampling resistance Rs2, the 3rd electric capacity C3 and the 4th diode D4；CPU_
Analog_In interfaces are grounded by testing resistance Rin, between the CPU_Analog_In interfaces and testing resistance Rin respectively
And three road circuits are connected to, circuit one is concatenation Rs2 and the circuit of power Vcc, and circuit two is the electricity being grounded by the 3rd electric capacity C3
Road, circuit three is the circuit being directly connected with power Vcc by the 4th diode D4, the negative pole and electricity of the 4th diode D4
Source Vcc is connected；Testing resistance Rin connects after accessing circuit with Rs2, the magnitude of voltage at measurement testing resistance two ends, and then calculates
To testing resistance value.
Analog quantity voltage input circuit as shown in Figure 5, the analog quantity voltage input circuit includes power Vcc, voltage to be measured
Interface, CPU_Analog_In interfaces, pull-up resistor Rup, pull down resistor Rdown, bleeder circuit, the 5th diode D5 and
Four electric capacity C4；Voltage interface to be measured is by potential-divider network and the connection of CPU_Analog_In interfaces, voltage interface to be measured and partial pressure net
Two-way circuit is provided between network, circuit one is the circuit for being sequentially connected in series pull-up resistor Rup, switch and power Vcc, circuit two
It is the circuit for being sequentially connected in series switch, pull down resistor Rdown and be grounded；Set between CPU_Analog_In interfaces and potential-divider network
There is two-way circuit, circuit one is the circuit being connected with power Vcc by the 5th diode D5, the negative pole of the 5th diode D5
It is connected with the power Vcc, circuit two is the circuit being grounded by the 4th electric capacity C4；The circuit it can be opened by software design patterns
With closing, potential-divider network can carry out partial pressure to input voltage, and the magnitude of voltage for making it into CPU analog acquisitions port is being allowed
In the range of, widen the voltage range that can be sampled.
As shown in Fig. 6 frequency quantity input circuits, the frequency quantity output circuit includes power supply Vbat, I/O interface, comparing unit
CCU6, Power Switch, second resistance R2,3rd resistor R3, the 6th diode D6 and EMI Filter；
Comparing unit CCU6 and Power Switch connect, the Power Switch include Control Logic and
The grid G connection of the enhanced metal-oxide-semiconductor of the second N-channel, the Control Logic and the enhanced metal-oxide-semiconductor of the second N-channel,
Between the comparing unit CCU6 and Power Switch and it is connected to a second resistance R2, another termination of second resistance R2
Ground, drain D and power supply the Vbat connection of the enhanced metal-oxide-semiconductor of the second N-channel, source S is sequentially connected in series 3rd resistor R3, EMI
Filter and I/O interfaces, between the 3rd resistor R3 and EMI Filter and are connected to a 6th diode D6, described
The plus earth of six diode D6.
By the capture comparison module of comparing unit CCU6, CPU can export different frequency, the PWM ripples of different duty
Shape, PWM cycle opens and shuts off metal-oxide-semiconductor, and then in output end produces the PWM with certain driving force to export.
The present invention is internally integrated BootLoader software function modules, supports by CAN, RS232 bus to detection means
Bottom firmware be updated, without using the Flash programmings such as traditional JTAG mode, without opening detecting device shell, you can
Conveniently and efficiently realize that bottom firmware updates, Function Extension.Main processor modules select Infineon processor C166, working frequency
40MHz, 32 BITBUS network width, with abundant integrated port, without extending out FLASH and RAM by meet demand of system software,
Be conducive to controlling the whole machine cost and system power dissipation of the present apparatus, build input and output peripheral circuit, extension CAN, RS232 communication is total
Line, the input/output port to engineering truck controller carries out Function detection.CAN, RS232 communication bus interface of detection means
CAN signal, RS232 signals can be received and sent, it is docked with CAN, RS232 interface of engineering truck controller, you can
CAN, RS232 communication function to engineering truck controller is detected.
The present invention has digital output function, controls its high/low level of output, is accessed engineering truck controller
Digital quantity input port, you can the digital quantity input function to engineering truck controller is detected；With PWM (Pulse-
Width Modulation pulsewidth modulations) output function, in the way of software is controlled, output frequency and dutycycle are all adjustable
PWM waveform, is accessed the frequency quantity input end mouthful of engineering truck controller, you can the frequency quantity to engineering truck controller is defeated
Enter function to be detected；With analog input function, the corresponding analog output of engineering truck controller is accessed into the present apparatus
Analog input interface, you can the analog output function to engineering truck controller is detected.
Claims (9)
1. a kind of Portable engineering vehicle vehicle-mounted ECU detection means, it is characterised in that including：Main processor modules, power management
Module, power module, display module, input module, output module, key control module and communication interface modules；
The power module, display module, input module, output module, communication interface modules and key control module with
The main processor modules connection, the communication interface modules is also connected by the key control module with the output module
Connect, the power management module is powered for power module.
2. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 1, it is characterised in that described defeated
Entering module includes digital-quantity input interface, frequency quantity input interface and analog input interface；The output module includes number
Word amount output interface, frequency quantity output interface and analog output interface circuit；The communication interface modules includes CAN interface
Module, RS232 multi-protocols serial port module and its matching and protection circuit；
The simulated measurement input circuit includes analog quantity current input circuit, analog quantity resistance input circuit and analog quantity voltage
Input circuit.
3. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 2, it is characterised in that the numeral
Amount input circuit is including on P-channel enhancement type metal-oxide-semiconductor, the enhanced metal-oxide-semiconductor of the first N-channel, the first pull-up resistor [Rup1], second
Pull-up resistor [Rup2], the first pull down resistor [Rdown1], the second pull down resistor [Rdown2], the first diode [D1], the two or two
Pole pipe [D2], the first electric capacity [C1], first resistor [R1], Pull_UP interfaces, Pull_Down interfaces, Digital IN interfaces,
CPU_IO interfaces, power Vcc and power supply Vbat；
Drain D and the power Vcc connection of P-channel enhancement type metal-oxide-semiconductor, the source S of P-channel enhancement type metal-oxide-semiconductor are sequentially connected in series second
Pull-up resistor [Rup2], the first diode [D1], the first pull down resistor [Rdown1] and the enhanced metal-oxide-semiconductor of the first N-channel
Drain D, the source S ground connection of the enhanced metal-oxide-semiconductor of the first N-channel；
Positive pole and the second pull-up resistor [Rup2] connection of first diode [D1], the grid G of P-channel enhancement type metal-oxide-semiconductor
With the connection of Pull_UP interfaces, the first pull-up electricity is provided between the grid G and power Vcc of the P-channel enhancement type metal-oxide-semiconductor
Resistance [Rup1]；
Grid G and Pull_Down the interfaces connection of the enhanced metal-oxide-semiconductor of the first N-channel, the enhanced metal-oxide-semiconductor of the first N-channel
Grid G is also grounded by the second pull down resistor [Rdown2]；
The negative pole connection of power supply Vbat and the second diode [D2], the positive pole of second diode [D2] passes through the first electric capacity
[C1] is grounded；
Digital IN interfaces pass sequentially through first resistor [R1], the negative pole of the first diode [D1] and the second diode [D2]
Positive pole and CPU_IO interfaces connection.
4. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 2, it is characterised in that the simulation
Amount current input circuit includes power supply Vsense, power Vcc, CPU_Analog_In interfaces, high precision sampling resistance [Rs1], the
Two electric capacity [C2] and the 3rd diode [D3]；
Power supply Vsense connects CPU_Analog_In interfaces, between the power supply Vsense and the CPU_Analog_In interfaces
And three road circuits are connected to, circuit one is the circuit being grounded by high precision sampling resistance [Rs1], and circuit two is by the second electric capacity
The circuit of [C2] ground connection, circuit three is the circuit being directly connected with power Vcc by the 3rd diode [D3], the three or two pole
Manage negative pole and the power Vcc connection of [D3].
5. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 2, it is characterised in that the simulation
Amount resistance input circuit include power Vcc, CPU_Analog_In interfaces, testing resistance Rin, high precision sampling resistance [Rs2],
3rd electric capacity [C3] and the 4th diode [D4]；
CPU_Analog_In interfaces are by testing resistance [Rin] ground connection, the CPU_Analog_In interfaces and testing resistance
Respectively and three road circuits are connected between [Rin], circuit one is concatenation [Rs2] and the circuit of power Vcc, and circuit two is by the 3rd
The circuit of electric capacity [C3] ground connection, circuit three is the circuit being directly connected with power Vcc by the 4th diode [D4], the described 4th
Negative pole and the power Vcc connection of diode [D4].
6. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 2, it is characterised in that the simulation
Amount voltage input circuit includes power Vcc, voltage interface to be measured, CPU_Analog_In interfaces, pull-up resistor [Rup], drop-down electricity
Resistance [Rdown], bleeder circuit, the 5th diode [D5] and the 4th electric capacity [C4]；
Voltage interface to be measured is connected by potential-divider network and CPU_Analog_In interfaces, voltage interface to be measured and potential-divider network it
Between be provided with two-way circuit, circuit one is the circuit for being sequentially connected in series pull-up resistor [Rup], switch and power Vcc, and circuit two is
It is sequentially connected in series switch, pull down resistor [Rdown] and the circuit being grounded；Set between CPU_Analog_In interfaces and potential-divider network
There is two-way circuit, circuit one is the circuit being connected with power Vcc by the 5th diode [D5], the 5th diode [D5]
Negative pole is connected with the power Vcc, and circuit two is the circuit being grounded by the 4th electric capacity [C4].
7. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 2, it is characterised in that the frequency
Amount output circuit includes power supply Vbat, I/O interface, comparing unit CCU6, Power Switch, second resistance [R2], the 3rd electricity
Resistance [R3], the 6th diode [D6] and EMI Filter；
The comparing unit CCU6 and Power Switch are connected, the Power Switch include Control Logic and
The grid G connection of the enhanced metal-oxide-semiconductor of the second N-channel, the Control Logic and the enhanced metal-oxide-semiconductor of the second N-channel,
Between the comparing unit CCU6 and Power Switch and be connected to a second resistance [R2], the second resistance [R2] it is another
End ground connection, drain D and power supply the Vbat connection of the enhanced metal-oxide-semiconductor of the second N-channel, source S is sequentially connected in series 3rd resistor
[R3], EMI Filter and I/O interfaces, the 3rd resistor [R3] is and EMIFilter between and is connected to the six or two pole
Pipe [D6], the plus earth of the 6th diode [D6].
8. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 1, it is characterised in that the detection
Device has been internally integrated BootLoader software function modules.
9. a kind of Portable engineering vehicle vehicle-mounted ECU detection means according to claim 1, it is characterised in that the main place
Reason device module is Infineon processor C166.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947125A (en) * | 2017-11-02 | 2018-04-20 | 湖北三江航天万峰科技发展有限公司 | A kind of vehicle-mounted universal controller |
| CN109062113A (en) * | 2018-09-03 | 2018-12-21 | 山海特种装备股份有限公司 | A kind of aircraft air source truck electrical control gear |
| WO2020099453A1 (en) * | 2018-11-14 | 2020-05-22 | Delphi Technologies Ip Limited | Automotive circuit between ecu and powertrain component |
| CN111983437A (en) * | 2020-08-25 | 2020-11-24 | 深圳市旗开电子有限公司 | 5G module product GPIO port test circuit and test method |
| WO2021189282A1 (en) * | 2020-03-25 | 2021-09-30 | 深圳市汇顶科技股份有限公司 | Drive circuit and related chip |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004192277A (en) * | 2002-12-10 | 2004-07-08 | Sumitomo Electric Ind Ltd | Vehicle diagnostic system and vehicle |
| CN202599671U (en) * | 2012-04-16 | 2012-12-12 | 广州市科密汽车制动技术开发有限公司 | Multifunctional portable ABS detector |
| CN202975802U (en) * | 2012-12-19 | 2013-06-05 | 中国船舶重工集团公司第七一六研究所 | Engineering vehicle-mounted controller smart test system based on STM32 processor |
| CN103528618A (en) * | 2013-10-10 | 2014-01-22 | 哈尔滨工业大学 | Signal generating platform for automobile instrument detection and signal generating method of signal generating platform |
| CN103713621A (en) * | 2012-09-29 | 2014-04-09 | 联创汽车电子有限公司 | ECU functional test equipment |
| US20150105972A1 (en) * | 2008-04-14 | 2015-04-16 | Innova Electronics, Inc. | Hand held data retrieval device with fixed solution capability |
-
2016
- 2016-11-24 CN CN201611042650.8A patent/CN106774239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004192277A (en) * | 2002-12-10 | 2004-07-08 | Sumitomo Electric Ind Ltd | Vehicle diagnostic system and vehicle |
| US20150105972A1 (en) * | 2008-04-14 | 2015-04-16 | Innova Electronics, Inc. | Hand held data retrieval device with fixed solution capability |
| CN202599671U (en) * | 2012-04-16 | 2012-12-12 | 广州市科密汽车制动技术开发有限公司 | Multifunctional portable ABS detector |
| CN103713621A (en) * | 2012-09-29 | 2014-04-09 | 联创汽车电子有限公司 | ECU functional test equipment |
| CN202975802U (en) * | 2012-12-19 | 2013-06-05 | 中国船舶重工集团公司第七一六研究所 | Engineering vehicle-mounted controller smart test system based on STM32 processor |
| CN103528618A (en) * | 2013-10-10 | 2014-01-22 | 哈尔滨工业大学 | Signal generating platform for automobile instrument detection and signal generating method of signal generating platform |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947125A (en) * | 2017-11-02 | 2018-04-20 | 湖北三江航天万峰科技发展有限公司 | A kind of vehicle-mounted universal controller |
| CN109062113A (en) * | 2018-09-03 | 2018-12-21 | 山海特种装备股份有限公司 | A kind of aircraft air source truck electrical control gear |
| WO2020099453A1 (en) * | 2018-11-14 | 2020-05-22 | Delphi Technologies Ip Limited | Automotive circuit between ecu and powertrain component |
| WO2021189282A1 (en) * | 2020-03-25 | 2021-09-30 | 深圳市汇顶科技股份有限公司 | Drive circuit and related chip |
| CN111983437A (en) * | 2020-08-25 | 2020-11-24 | 深圳市旗开电子有限公司 | 5G module product GPIO port test circuit and test method |
| CN111983437B (en) * | 2020-08-25 | 2023-09-08 | 深圳市旗开电子有限公司 | 5G module product GPIO port test circuit and test method |
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|---|---|
| CN106774239B (en) | 2018-12-25 |
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