CN209471198U - A kind of static parameter test device for automobile dynamo governor - Google Patents
A kind of static parameter test device for automobile dynamo governor Download PDFInfo
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- CN209471198U CN209471198U CN201920157788.5U CN201920157788U CN209471198U CN 209471198 U CN209471198 U CN 209471198U CN 201920157788 U CN201920157788 U CN 201920157788U CN 209471198 U CN209471198 U CN 209471198U
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Abstract
The utility model relates to the field of test technology of automobile dynamo governor, specifically disclose a kind of static parameter test device for automobile dynamo governor, wherein, it include: master controller, human-computer interaction mechanism, signal generating circuit, generator analog circuit and analog quantity acquisition circuit, human-computer interaction mechanism, signal generating circuit, generator analog circuit and analog quantity acquisition circuit are communicated to connect with master controller, and generator analog circuit and analog quantity acquisition circuit can connect dynamo governor to be detected；Signal generating circuit is for working signal needed for generating dynamo governor；Generator analog circuit is used to simulate the working condition of generator；Master controller handles analog signals to obtain signal to be shown for handling working signal needed for dynamo governor.Static parameter test device provided by the utility model for automobile dynamo governor can comprehensively realize the static parameter test to dynamo governor.
Description
Technical field
The utility model relates to the field of test technology of automobile dynamo governor, more particularly to one kind to be used for automobile generating
The static parameter test device of machine adjuster.
Background technique
Adjuster static test be in order to which whether the parameter of the parameter and design of verifying automobile dynamo governor coincide, and
The quality of adjuster is tested in the case where being detached from generator.
Domestic existing automobile dynamo governor tester function is few at present, and the testing time is long.External test equipment
Operation interface and explanation are all the use habits that English and price height do not meet Chinese.
Due to static tester cannot completely simulated automotive dynamo governor be mounted on the working condition on generator, because
This portioned product is still needed to be installed on generator and be tested.
Summary of the invention
The utility model aims to solve at least one of the technical problems existing in the prior art, provides a kind of for automobile hair
The static parameter test device of regulex, to solve the problems of the prior art.
As the one aspect of the utility model, a kind of static parameter test dress for automobile dynamo governor is provided
Set, wherein the static parameter test device for automobile dynamo governor include: master controller, human-computer interaction mechanism,
Signal generating circuit, generator analog circuit and analog quantity acquisition circuit, the human-computer interaction mechanism, signal generating circuit, hair
Motor simulation circuit and analog quantity acquisition circuit are communicated to connect with the master controller, the generator analog circuit and described
Analog quantity acquisition circuit can connect dynamo governor to be detected；
The signal generating circuit is for working signal needed for generating dynamo governor；
The generator analog circuit is used to simulate the working condition of generator；
The analog quantity acquisition circuit is used to acquire the analog signals of the dynamo governor；
The master controller is described for being sent to after handling working signal needed for the dynamo governor
Generator analog circuit, and the analog signals are handled to obtain signal to be shown；
The human-computer interaction mechanism provides the running parameter of the master controller for showing the signal to be shown
The window of setting.
Preferably, the generator analog circuit includes load load and power circuit, the load load
Connect with the master controller with the power circuit, the load load and the power circuit can with it is described
Dynamo governor connection, the load load can be under the control of the master controller to the dynamo governor
Offered load, the power circuit can power under the control of the master controller to the dynamo governor.
Preferably, the operating mode of the power circuit includes constant voltage mode and follow the mode, and the power circuit can
Constant operating voltage is exported to the dynamo governor under constant voltage mode, and the power generation can be followed under follow the mode
The output of machine regulator voltage and operating voltage needed for the dynamo governor.
Preferably, the power circuit includes switching power circuit and DC power supply circuit, the DC power supply circuit
Input terminal is connect with the switching power circuit, and the output end of the DC power supply circuit is connect with the dynamo governor,
The input terminal of the switching power circuit connects alternating current, and the alternating current can be converted into directly by the switching power circuit
Constant voltage output is flowed, it is defeated that the DC constant voltage can be converted into direct current variable voltage by the DC power supply circuit
Out.
Preferably, working signal needed for the dynamo governor includes FR, IG, L, S, C, RVC, LIN/BSS and PS
Signal.
Preferably, the analog quantity acquisition circuit includes analog acquisition unit and AD conversion unit, the analog quantity
Acquisition unit is connect with the AD conversion unit, and the AD conversion unit is connect with the master controller, the analog quantity
Acquisition unit is connect with the dynamo governor, and the analog acquisition unit is used to acquire the mould of the dynamo governor
Analog quantity signal, the AD conversion unit are used to carry out analog-to-digital conversion to the analog signals to obtain digital quantity signal.
Preferably, the analog quantity acquisition circuit further includes rail-to-rail amplifier, the input terminal of the rail-to-rail amplifier and institute
Dynamo governor connection is stated, the output end of the rail-to-rail amplifier connects with the master controller and AD conversion unit respectively
It connects.
Preferably, the human-computer interaction mechanism includes display module and driving circuit, the driving circuit and the master control
Device connection processed, the display module are connect with the driving circuit, and the driving circuit can be in the control of the master controller
The display of the lower driving display module.
Preferably, the static parameter test device for automobile dynamo governor further includes communication interface, described
Communication interface and the master controller communicate to connect, and the communication interface can be realized the logical of the master controller and host computer
Letter.
Preferably, the master controller includes single-chip microcontroller.
Static parameter test device provided by the utility model for automobile dynamo governor generates electricity by signal
Working signal needed for road generates dynamo governor to be detected, master controller are sent after handling working signal
To generator analog circuit, test of the automatically controlled realization to dynamo governor is simulated by generator, passes through analog acquisition electricity
Road can acquire the analog signals of dynamo governor, i.e. data after the test of acquisition dynamo governor, master controller is logical
It crosses after handling analog signals and is sent to human-computer interaction mechanism and shows, it is provided by the utility model this to be used for vapour
The static parameter test device of vehicle dynamo governor solves the deficiency of existing test product, is capable of providing automobile current generator tune
It saves device and works normally all signals needed, and static survey can be carried out to automobile dynamo governors most on the market
Examination, therefore there is advantage applied widely.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural frames of the static parameter test device provided by the utility model for automobile dynamo governor
Figure.
Fig. 2 is the specific implementation of the static parameter test device provided by the utility model for automobile dynamo governor
Mode structural block diagram.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It should be noted that the English paraphrase used in following specific embodiments is as follows:
L:Indicator Lamp, indicator light end；IG:Ignition, firing tip；F:Field, excitation winding end；S:
Voltage Sense, battery voltage induction end；FR:Field regulation, generator output state feedback end；W:
Waveform, it is believed that number output end；RVC:Remote Voltage Control, remote voltage control terminal；LRC:Load
Response Control, load response control；LIN/BSS:communication, communication ends；PS:Phase signal,
Phase signals end.
As the one aspect of the utility model, a kind of static parameter test dress for automobile dynamo governor is provided
It sets, wherein as shown in Figure 1, the static parameter test device 100 for automobile dynamo governor includes: master controller
110, human-computer interaction mechanism 120, signal generating circuit 130, generator analog circuit 140 and analog quantity acquisition circuit 150, it is described
Human-computer interaction mechanism 120, signal generating circuit 130, generator analog circuit 140 and analog quantity acquisition circuit 150 with it is described
Master controller 110 communicates to connect, the generator analog circuit 140 and the analog quantity acquisition circuit 150 can connect to
The dynamo governor 200 of detection；
The signal generating circuit 130 is for working signal needed for generating dynamo governor 200；
The generator analog circuit 140 is used to simulate the working condition of generator；
The analog quantity acquisition circuit 150 is used to acquire the analog signals of the dynamo governor 200；
The master controller 110 after handling working signal needed for the dynamo governor 200 for sending
The extremely generator analog circuit 140, and the analog signals are handled to obtain signal to be shown；
The human-computer interaction mechanism 120 provides the work of the master controller 110 for showing the signal to be shown
Make the window of parameter setting.
Static parameter test device provided by the utility model for automobile dynamo governor generates electricity by signal
Working signal needed for road generates dynamo governor to be detected, master controller are sent after handling working signal
To generator analog circuit, test of the automatically controlled realization to dynamo governor is simulated by generator, passes through analog acquisition electricity
Road can acquire the analog signals of dynamo governor, i.e. data after the test of acquisition dynamo governor, master controller is logical
It crosses after handling analog signals and is sent to human-computer interaction mechanism and shows, it is provided by the utility model this to be used for vapour
The static parameter test device of vehicle dynamo governor solves the deficiency of existing test product, is capable of providing automobile current generator tune
It saves device and works normally all signals needed, and static survey can be carried out to automobile dynamo governors most on the market
Examination, therefore there is advantage applied widely.
It should be noted that the window that the human-computer interaction mechanism is capable of providing the running parameter setting of master controller should
It is interpreted as, when needing the running parameter to master controller to be configured, the defeated of parameter can be carried out by human-computer interaction mechanism
The operation such as enter or modify.
Specifically, as shown in Fig. 2, the generator analog circuit 140 includes load load 141 and power circuit
142, the load load 141 and the power circuit 142 are connect with the master controller 110, the load load
Circuit 141 and the power circuit 142 can connect with the dynamo governor 200, and the load load 141 can
To 200 offered load of dynamo governor under the control of the master controller 110, the power circuit 142 can be
It powers under the control of the master controller 110 to the dynamo governor 200.
It should be understood that the generator analog circuit 140 is capable of the output voltage and excitation of simulated automotive generator
Electric current.
Further specifically, the load load 141 includes the end F load load, which is used for mould
The exciting current of quasi- automobile current generator, control F load the load current for applying 0-10A to the end adjuster F, realize and apply to the end F
The function of Constant Current Load.
Specifically, the operating mode of the power circuit 142 includes constant voltage mode and follow the mode, the power circuit
142 can export constant operating voltage to the dynamo governor under constant voltage mode, and can follow under follow the mode
Operating voltage needed for the dynamo governor voltage output and the dynamo governor.
Specifically, as shown in Fig. 2, the power circuit 142 includes switching power circuit 1421 and DC power supply circuit
1422, the input terminal of the DC power supply circuit 1422 is connect with the switching power circuit 1421, the DC power supply circuit
1422 output end is connect with the dynamo governor 200, and the input terminal of the switching power circuit 1421 connects alternating current,
The alternating current can be converted into DC constant voltage output, the DC power supply circuit by the switching power circuit 1421
1422 can be converted into the DC constant voltage output of direct current variable voltage.
It should be understood that the power circuit 142 is used for the output voltage of simulated automotive generator, by master controller control
The DC voltage of DC power supply circuit output 0-36V processed.From BUCK circuit transformations, there is constant pressure and follow two kinds of Working moulds
Formula.Under constant voltage mode, DC power supply circuit output voltage is steady state value；Under follow the mode, DC power supply circuit output voltage with
With automobile dynamo governor voltage, the duty ratio of adjustment PWM1_O realizes the function by the acquisition end F state and in real time.
Since power circuit 142 has follow the mode, it is thus possible to voltage needed for quick output generator adjuster,
So as to improve test speed.
It should be noted that working signal needed for the dynamo governor 200 include FR, IG, L, S, C, RVC,
LIN/BSS and PS signal.
It should be understood that the signal generating circuit 130 for generate above-mentioned FR, IG, L, S, C, RVC, LIN/BSS and
PS signal.
Specifically, FR signal applies pull-up resistor or pull down resistor to FR for selecting.LIN/BSS signal generates electricity
Road, when exporting LIN signal, master controller works under LIN mode, generates LIN signal；When exporting BSS signal, master controller work
Make under GPIO mode, for simulating BSS signal.
It should be noted that the LIN/BSS signal generating circuit: being made of, prop up single-chip microcontroller and LIN/BSS interface chip
Hold BSS1/BSS2/BSS3/BSS4/LINA1/LINA2/LINA3/LINA4/ LINB1/LINB2/LINB3/LINB4/LINC/
The communications protocol such as LIND1/LIND2/LINE, baud rate support 9600bps/12000bps/19200bps, LIN interface version branch
Hold 1.3,2.0,2.1.
RVC signal generating circuit, RVC signal are frequency, the adjustable pwm signal of duty ratio.The form of output circuit can be with
Open-drain output, pull-up 12V output are selected, pull-up B+ exports three kinds of forms.
L signal generation circuit, the 2W light bulb and test L which is used to simulate the end L are to B+ and to GNDPWR overcurrent
Defencive function.It can test whether the end L has the end the L defencive function of output function and detection automobile dynamo governor whether complete
It is good.
PS signal generating circuit, can externally provide a three-phase frequency is poor 120 degree of the square wave letter of 0-10KHz adjustable phase
Number, PWM1P, PWM1N, PWM2P, PWM2N, PWM3P, PWM3N.Wherein PWMxP/PWMxN is the complementary PWM letter with dead zone
Number, it is generated by master controller.
Concrete meaning about each working signal is referred to English paraphrase above, and details are not described herein again.
Specifically, the analog quantity acquisition circuit 150 includes analog acquisition unit and AD conversion unit, the simulation
Amount acquisition unit is connect with the AD conversion unit, and the AD conversion unit is connect with the master controller, the simulation
Amount acquisition unit is connect with the dynamo governor, and the analog acquisition unit is for acquiring the dynamo governor
Analog signals, the AD conversion unit are used to carry out analog-to-digital conversion to the analog signals to obtain digital quantity signal.
Specifically, the analog quantity acquisition circuit 150 further includes rail-to-rail amplifier, the input terminal of the rail-to-rail amplifier with
The dynamo governor 200 connects, the output end of the rail-to-rail amplifier respectively with the master controller and analog-to-digital conversion list
Member connection.
It should be noted that the analog signal of acquisition is converted into digital signal and handed over by the analog quantity acquisition circuit 150
It is handled by master controller and is shown.The signal that various analog signals are converted into 0 ~ 3.3V is sent to monolithic using rail-to-rail amplifier
Machine and 16 A/D chips carry out analog-to-digital conversion.
Specifically, the human-computer interaction mechanism 120 includes display module and driving circuit, the driving circuit and the master
Controller connection, the display module are connect with the driving circuit, and the driving circuit can be in the control of the master controller
The display of the system lower driving display module.
Preferably, the display module includes touch screen.
Specifically, as shown in Fig. 2, the static parameter test device 100 for automobile dynamo governor further includes
Communication interface 160, the communication interface 160 are communicated to connect with the master controller 110, and the communication interface 160 can be realized
The communication of the master controller 110 and host computer 300.
Specifically, the communication interface 160 includes ethernet interface circuit and USB and RS232 circuit.Ethernet interface
Circuit is used to complete and the ethernet communication of host computer 200, uses MODBUS TCP communication agreement.USB and RS232 circuit is used for
Completion is communicated with host computer 200, and USB can be invented serial ports, use MODBUS RTU communication protocol.
What is needed is, it is generally the case that the static parameter test device for automobile dynamo governor does not need
Test function can be realized under the control instruction of host computer 200, but when the test mode for needing to monitor generator adjustment state
And when recording test data, host computer can carry out realization test function by way of sending control instruction to master controller,
Host computer can carry out data analysis to batch testing result, so as to guide rear after obtaining monitor state and record data
Continuous test.
Preferably, the master controller 110 includes single-chip microcontroller.
Specifically, the master controller 110 is specifically by 32 STM32F407 ARM chips, reference circuit, AD circuits, SPI
Storage circuit, reset circuit and power circuit composition, are responsible for all kinds of sub-circuits of control, data acquisition, test function, number
According to functions such as transmission, human-computer interactions.STM32F407 program is using FREERTOS, LWIP, FREE MODBUS as platform construction.
The survey that the static parameter test device provided by the utility model for automobile dynamo governor is realized below
Examination process includes:
The first step, leak electricity current test.
Second step, saturation voltage drop test.Apply all signals needed for working normally, B+ electricity to automobile dynamo governor
The voltage value that source output is set and the load current value set to the application of the end F, test the pressure drop of adjuster power tube.
Third step, soft start function test.Disconnect automotive regulator PS signal, monitor the end F waveform duty cycle whether there is or not
Soft start function.
4th step adjusts voltage tester.The adjusting voltage value for testing automobile dynamo governor is adjusted to automobile current generator
Device applies all signals needed for working normally, and B+ power generation circuit uses pid algorithm Auto-matching tune according to the waveform at the end F
Voltage value is saved, can be rapidly completed and adjust voltage value test.
5th step, BSS/LIN test.Different instruction testings obtains different adjusting voltage values, and reads adjuster
Information, including error identification position, generator ID and classic code.
6th step, LRC time test.Apply all signals needed for working normally to automobile dynamo governor, is adjusting
It saves to apply suddenly after device works normally and be fully loaded with, the time required to the detection end F duty ratio transforms to 100% state from PWM state.
7th step, S, which is disconnected, adjusts voltage tester: the adjuster of calibration tape S point, disconnects S signal, tests adjusting electricity at this time
Pressure value is that S disconnects adjusting voltage value.
8th step, RVC voltage tester.Test adjusting voltage of the automobile dynamo governor under different duty signal
Value.
9th step, the functional test of the end L；Test automobile dynamo governor end L's turns on/off lamp function, L bright light pressure drop function
Energy, high low pressure alarm function, L output function and the end L overcurrent protection function.
Tenth step, FR functional test.Test whether the end FR function is normal, and whether duty ratio follows F duty ratio and change, and
Determine that the relationship at the end FR and F is in the same direction or reversed.
11st step, W functional test.W frequency is tested, it is whether qualified with setting value comparison, judge W output signal whether just
Often.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of static parameter test device for automobile dynamo governor, which is characterized in that described to be used for automobile generating
The static parameter test device of machine adjuster includes: master controller, human-computer interaction mechanism, signal generating circuit, generator simulation
Circuit and analog quantity acquisition circuit, the human-computer interaction mechanism, signal generating circuit, generator analog circuit and analog acquisition
Circuit is communicated to connect with the master controller, and the generator analog circuit and the analog quantity acquisition circuit can connect
Dynamo governor to be detected；
The signal generating circuit is for working signal needed for generating dynamo governor；
The generator analog circuit is used to simulate the working condition of generator；
The analog quantity acquisition circuit is used to acquire the analog signals of the dynamo governor；
The master controller is for being sent to the power generation after handling working signal needed for the dynamo governor
Machine analog circuit, and the analog signals are handled to obtain signal to be shown；
The human-computer interaction mechanism provides the running parameter setting of the master controller for showing the signal to be shown
Window.
2. the static parameter test device according to claim 1 for automobile dynamo governor, which is characterized in that institute
Stating generator analog circuit includes load load and power circuit, the load load and the power circuit with
The master controller connection, the load load and the power circuit can be connect with the dynamo governor,
The load load can be under the control of the master controller to the dynamo governor offered load, the power supply
Circuit can power under the control of the master controller to the dynamo governor.
3. the static parameter test device according to claim 2 for automobile dynamo governor, which is characterized in that institute
The operating mode for stating power circuit includes constant voltage mode and follow the mode, and the power circuit can be under constant voltage mode to described
Dynamo governor exports constant operating voltage, and can follow under follow the mode the dynamo governor voltage output with
Operating voltage needed for the dynamo governor.
4. the static parameter test device according to claim 2 for automobile dynamo governor, which is characterized in that institute
Stating power circuit includes switching power circuit and DC power supply circuit, and the input terminal of the DC power supply circuit and the switch are electric
Source circuit connection, the output end of the DC power supply circuit are connect with the dynamo governor, the switching power circuit
Input terminal connects alternating current, and the alternating current can be converted into DC constant voltage output, institute by the switching power circuit
The DC constant voltage can be converted into the output of direct current variable voltage by stating DC power supply circuit.
5. the static parameter test device according to claim 1 for automobile dynamo governor, which is characterized in that institute
Working signal needed for stating dynamo governor includes FR, IG, L, S, C, RVC, LIN/BSS and PS signal.
6. the static parameter test device according to claim 1 for automobile dynamo governor, which is characterized in that institute
Stating analog quantity acquisition circuit includes analog acquisition unit and AD conversion unit, the analog acquisition unit and the modulus
Converting unit connection, the AD conversion unit are connect with the master controller, the analog acquisition unit and the power generation
The connection of machine adjuster, the analog acquisition unit are used to acquire the analog signals of the dynamo governor, the modulus
Converting unit is used to carry out analog-to-digital conversion to the analog signals to obtain digital quantity signal.
7. the static parameter test device according to claim 6 for automobile dynamo governor, which is characterized in that institute
Stating analog quantity acquisition circuit further includes rail-to-rail amplifier, and the input terminal and the dynamo governor of the rail-to-rail amplifier connect
It connects, the output end of the rail-to-rail amplifier is connect with the master controller and AD conversion unit respectively.
8. the static parameter test device according to claim 1 for automobile dynamo governor, which is characterized in that institute
Stating human-computer interaction mechanism includes display module and driving circuit, and the driving circuit is connect with the master controller, the display
Module is connect with the driving circuit, and the driving circuit can drive the display module under the control of the master controller
Display.
9. the static parameter test device as claimed in any of claims 1 to 8 for automobile dynamo governor,
It is characterized in that, the static parameter test device for automobile dynamo governor further includes communication interface, the communication
Interface and the master controller communicate to connect, and the communication interface can be realized the communication of the master controller and host computer.
10. the static parameter test device according to claim 1 for automobile dynamo governor, which is characterized in that
The master controller includes single-chip microcontroller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920157788.5U CN209471198U (en) | 2019-01-29 | 2019-01-29 | A kind of static parameter test device for automobile dynamo governor |
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| CN201920157788.5U CN209471198U (en) | 2019-01-29 | 2019-01-29 | A kind of static parameter test device for automobile dynamo governor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596928A (en) * | 2019-01-29 | 2019-04-09 | 无锡市朗迪测控技术有限公司 | A kind of static parameter test device for automobile dynamo governor |
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2019
- 2019-01-29 CN CN201920157788.5U patent/CN209471198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596928A (en) * | 2019-01-29 | 2019-04-09 | 无锡市朗迪测控技术有限公司 | A kind of static parameter test device for automobile dynamo governor |
| CN109596928B (en) * | 2019-01-29 | 2024-03-22 | 无锡市朗迪测控技术有限公司 | Static parameter testing device for automobile generator regulator |
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