CN209486512U - Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set - Google Patents
Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set Download PDFInfo
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- CN209486512U CN209486512U CN201920312734.1U CN201920312734U CN209486512U CN 209486512 U CN209486512 U CN 209486512U CN 201920312734 U CN201920312734 U CN 201920312734U CN 209486512 U CN209486512 U CN 209486512U
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Abstract
The utility model provides a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set, comprising: the function terminal interface module for connecting with electric-controlled parts to be measured；For power supply to be converted to the isolation pressure regulation current limliting module of variable voltage, variable current；Fictitious load module；For acquiring the detection instrumentation module of feedback parameter；Pressure regulation current limliting module output end linkage function terminal interface module input is isolated, function terminal interface module output end connects electric-controlled parts input terminal, electric-controlled parts output end connects fictitious load module, instrumentation module connection fictitious load module and main control module are detected, the control terminal of pressure regulation current limliting module, function terminal interface module, fictitious load module and electric-controlled parts is isolated in main control module connection.The utility model can do the test of the defencive functions such as under-voltage, over-voltage, switch to electric bus electric-controlled parts online, dramatically improve electric bus electric-controlled parts for maintenance feasibility, efficiency and versatility, reduce costs.
Description
Technical field
The utility model relates to a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench sets, belong to electric car
Maintenance conditions technical field.
Background technique
Increasingly serious with the energy and environmental problem, the big state of each automobile production all will be more and more in the world
Electric car puts goods on the market.One important feature of electric car is exactly to have high voltage power circuit, the electricity in performance loop
Pressure even can achieve 700V or more.So while considering electric car to our bring environmental benefits, logistics support
Maintenance and high-voltage safety problem equally can not be ignored.
Therefore, how quickly and accurately to overhaul and protect the safety of related personnel to have become the emphasis of our concerns.It is related
Component once breaks down, and on-the-spot test maintenance is cumbersome, and substantially Electric Transit casts anchor because of electric fault and shows on road
Success rate actual count is quickly repaired less than 5% in field, and public transport especially requires stringent as city operations carrier element.
Power system of electric automobile is generally by high-tension battery, driving motor, DC-DC (DC to DC module), DC-AC
The composition such as (direct current delivers flow module) high voltage components.It is all directly to replace in the case where 98% after these high voltage components break down
Change completely new equipment, other 2% the case where be to do simple maintenance (such as: replacement plug, fuse).For simplified overhauling
Electric-controlled parts, the prior art cannot test the specific parameter of each single item, without parameters number magnitude, can not accurately sentence
Disconnected is specifically the damage of that functional unit.It does not know whether quality reaches technical parameter requirement after maintenance, is just installed to electronic public affairs
It hands over vehicle risk larger, is easy to appear secondary failure.
Utility model content
Technical problem to be solved by the utility model is: how real-time, accurately and efficiently to electric bus electric-controlled parts
It repairs.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is to provide a kind of electric bus electric-controlled parts
Four-in-one closed loop maintenance test bench set, it is characterised in that: include:
Function terminal interface module for being connect with all kinds of electric-controlled parts to be measured of electric bus；
For power supply to be converted to variable voltage, variable current and the isolation tune for being supplied to the function terminal interface module
Press current limliting module；
For simulating the fictitious load module of the load of electric-controlled parts to be measured；
For acquiring the detection instrumentation module of the feedback parameter of the fictitious load module；
The isolation pressure regulation current limliting module output end linkage function terminal interface module input, function terminal interface module
Output end connects electric-controlled parts input terminal to be measured, and electric-controlled parts output end to be measured connects fictitious load module, detects instrument
Module connects fictitious load module and main control module, and main control module is also connected with isolation pressure regulation current limliting module, function terminal interface mould
The control terminal of block, fictitious load module and electric-controlled parts to be measured.
Preferably, the isolation pressure regulation current limliting module includes sequentially connected input module, adjustable transformer, isolation boosting
Transformer, current limliting module, rectification filtering module and output module, adjustable transformer connects main control module by voltage regulating module, main
Control module is also connected with current limliting module, and rectification filtering module is also connected with residual charge release module.
It is highly preferred that connection input module powered by utility power, provides power to the adjustable transformer, the master control mould
Block is set according to voltage, the current parameters of measuring technology data, is adjusted the isolation boosting by the voltage regulating module and is become
Depressor realize voltage adjust, by the current limliting module realize current regulation, the rectification filtering module to after adjusting voltage,
Electric current is rectified, is filtered, and the output voltage for being limited electric current needed is exported from output module；When each power-off
Afterwards, residual charge present in circuit is discharged by residual charge release module.
Preferably, the voltage regulating module is that stepper motor rotates voltage regulating module or manual voltage regulation module.
It is highly preferred that the current limliting module is RS485 automatic current limiting module or manually adjusts current limliting module.
It is highly preferred that the residual charge release module is resistance.
Preferably, the function terminal interface module includes main platform, and 4 class function terminals are integrated on main platform and are connect
Mouthful, it is respectively as follows:
For detecting the DC-DC interface of DC-DC electric-controlled parts；
For detecting the DC-AC interface of DC-AC electric-controlled parts；
For detecting the warm wind defrosting interface of warm-air drier, defroster；
For detecting the electronic pressure of inflating pump adjustable frequency motor, power assistance pump for steering adjustable frequency motor, Frequency Conversion Compressor
Contracting machine interface.
Preferably, the DC-AC electric-controlled parts include inflating pump variable frequency drives, power assistance pump for steering variable frequency drives, sky
Adjust variable frequency drives.
Preferably, the fictitious load module includes input port and output port, between input port and output port
The detection instrumentation module is connected, output port connects resistive load and inductive load.
It is highly preferred that the output port is equipped with the negative of the connection type for adjusting the resistive load and inductive load
Carry adjustment module.
Preferably, the detection instrumentation module includes voltmeter, ammeter, frequency meter.
Preferably, input power is converted to variable voltage, variable current to function end by the isolation pressure regulation current limliting module
Sub-interface module, and then power input is provided for electric-controlled parts to be measured connection；The fictitious load module be adjustable as with to
The matched load of actual loading of the electric-controlled parts of survey on electric bus measures the mould by the detection instrumentation module
Corresponding detection parameters in quasi- load blocks；The main control module automatically adjusts the isolation pressure regulation current limliting module and the simulation
The parameter of load blocks obtains function terminal interface module, electric-controlled parts to be measured and the feedback signal for detecting instrumentation module, into
And judge which functional unit damage electric-controlled parts to be measured are specifically, to accurately repair.
It is highly preferred that the detecting step for the DC-DC electric-controlled parts is as follows:
Step 1: the input terminal linkage function terminal interface module of DC-DC electric-controlled parts to be measured, output end are connected into mould
Quasi- load blocks, control terminal connect main control module；
Step 2: loading system operating voltage 15-30V is worked normally, if the result of detection instrumentation module measurement is 15-
Then it is judged as qualified within the scope of 30V, is otherwise determined as unqualified, and records actual value；
Step 3: load 350-710V supplies electricity to DC-DC electric-controlled parts input terminal, according to detection instrumentation module measurement
As a result judge:
If occurring input voltage under-voltage protection within the scope of 400 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value；
If occurring input voltage overvoltage protection within the scope of 700 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value；
Step 4: n times enable signal is sent by main control module, simulates vehicle start-up course, test DC-DC electric-controlled parts
Repeat switch machine number, according to the data record number of success and the frequency of failure of detection instrument module feedback, if number of success
Equal to the n times of transmission, then it is judged as qualified, is otherwise determined as unqualified, and records actual value；N is positive integer；
It is corresponding to measure according to detection project and detection parameters in DC-DC electric-controlled parts standard electrical performance test report, such as
Fruit meets condition and is judged as qualified, is otherwise determined as unqualified, and records actual value；Particular problem is positioned according to actually detected value
Out in which part；
It is as follows for the detecting step of DC-AC electric-controlled parts:
Step 1: the input terminal linkage function terminal interface module of DC-AC electric-controlled parts to be measured, output end are connected into mould
Quasi- load blocks, control terminal connect main control module；
Step 2: load 350-710V supplies electricity to DC-AC electric-controlled parts input terminal, according to detection instrumentation module measurement
As a result judge:
If occurring input voltage under-voltage protection within the scope of 400 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value；
If occurring input voltage overvoltage protection within the scope of 700 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value；
Step 3: inputting frequency 5HZ-50HZ to DC-AC electric-controlled parts, judge the measurement feedback result for detecting instrumentation module
It is whether consistent with input, it is judged as qualified if consistent, is otherwise determined as unqualified, and records actual value；
Step 4: n times enable signal is sent by main control module, simulates vehicle start-up course, test DC-AC electric-controlled parts
Repeat switch machine number, according to the data record number of success and the frequency of failure of detection instrument module feedback, if number of success
Equal to the n times of transmission, then it is judged as qualified, is otherwise determined as unqualified, and records actual value；N is positive integer；
It is corresponding to measure according to detection project and detection parameters in DC-AC electric-controlled parts standard electrical performance test report, such as
Fruit meets condition and is judged as qualified, is otherwise determined as unqualified, and records actual value；Particular problem is positioned according to actually detected value
Out in which part；
It is as follows for the detecting step of warm-air drier or defroster:
Step 1: the input terminal linkage function terminal interface module of warm-air drier to be measured or defroster, output end are connected into mould
Quasi- load blocks, control terminal connect main control module；
Step 2: load 1000V insulation megameter is to the anode of warm-air drier or defroster to shell insulation resistance, cathode pair
Insulation resistance measures between casing insulation resistance, positive and negative anodes, if anode is to shell insulation resistance, cathode to casing insulation
The measurement result of insulation resistance is 200M Ω or more between resistance, positive and negative anodes, then is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value；
Step 3: inputting 300V-700V voltage at the heating power end of warm-air drier or defroster, added by voltmeter measurement
Whether thermal power end output voltage and input are consistent, if unanimously, being judged as qualified, are otherwise determined as unqualified, and record reality
Actual value；
Step 4: being maintained at the heating power end input 300V-700V voltage of warm-air drier or defroster, surveyed by ammeter
The electric current of amount warm-air drier or defroster is then judged as qualified within the scope of 2~8A, is otherwise determined as unqualified, and records reality
Value；
Step 5: being maintained at the heating power end input 300V-700V voltage of warm-air drier or defroster, pass through temperature sensing
Air outlet temperature after device measurement warm-air drier or defroster steady operation is then judged as qualified within the scope of 30 DEG C~65 DEG C, otherwise
It is determined as unqualified, and records actual value；
Step 6: n times enable signal being sent by main control module, simulates vehicle start-up course, tests warm-air drier or defroster portion
The repeat switch machine number of part, according to the data record number of success and the frequency of failure of detection instrument module feedback, if success
Number is equal to the n times sent, then is judged as qualified, is otherwise determined as unqualified, and records actual value；N is positive integer；
It is corresponding to survey according to every detection project and detection parameters in warm-air drier or defroster standard electrical performance test report
Otherwise amount is determined as unqualified if meeting condition is judged as qualified, and record actual value；It is positioned and is had according to actually detected value
Which part is body problem go out in；
For inflating pump adjustable frequency motor, power assistance pump for steering adjustable frequency motor, Frequency Conversion Compressor, hereinafter referred to as wait try
Total member, detecting step it is as follows:
Step 1: the input terminal linkage function terminal interface module wait try total member, output end are connected into fictitious load mould
Block, control terminal connect main control module；
Step 2: load 500V insulation megameter treat try the three-phase windings of total member and casing insulation resistance value respectively into
Row measurement is judged as qualified if measurement result three-phase windings and if being 200M Ω or more to shell insulation resistance, otherwise sentences
It is set to unqualified, and records actual value；
Step 3: frequency 50HZ, voltage 2V are inputted to total member to be measured, if test UV phase, UW phase, the alternate inductance of VW exist
Then it is judged as qualified within the scope of 50ML-90ML, is otherwise determined as unqualified, and records actual value；
Step 4: input frequency 5HZ-50HZ to total member to be measured, judge to detect instrumentation module measurement feedback result whether
It is consistent with input, it is judged as qualified if consistent, is otherwise determined as unqualified, and records actual value；
Step 5: n times enable signal being sent by main control module, simulates vehicle start-up course, tests warm-air drier or defroster portion
The repeat switch machine number of part, according to the data record number of success and the frequency of failure of detection instrument module feedback, if success
Number is equal to the n times sent, then is judged as qualified, is otherwise determined as unqualified, and records actual value；N is positive integer；
It is corresponding to measure according to every detection project and detection parameters in total member standard electrical performance test report to be measured,
If the condition of satisfaction is judged as qualified, otherwise it is determined as unqualified, and records actual value；It is specifically asked according to the positioning of actually detected value
Which inscribe out in part.
Compared with prior art, electric bus electric-controlled parts four-in-one closed loop maintenance test bench set tool provided by the utility model
It has the advantages that:
1, the test of the defencive functions such as under-voltage, over-voltage, switch can be done to 8 kinds of electric-controlled parts of electric bus online；
It 2, being capable of online customized test parameter function: the offline long-time burn-in test of electric-controlled parts, preset times, default
Whether voltage, each function of predetermined current test verifying are normal, utilize defined parameters loading simulation to load, emulate vehicle actual motion
Situation judges-exports whether test verification report is qualified according to feedback data, and accurate judgement is specifically that functional unit damage
It is bad, substantially increase the success rate and reliability of maintenance and detection；
3, it is integrated that the simulation of various sensor signals, load selection simulation, power supply are incorporated, is dramatically improved electronic
The feasibility of bus electric-controlled parts for maintenance, while electric-controlled parts for maintenance efficiency and versatility are improved, it is dropped for public transport company
Low maintenance cost；
4, reduce labor hour consumption, improve public transport effective run time, reduce and be onboard related to high straightening
The risk of stream operation maintenance movement, is no longer limited by the limitation of vehicle physical operating space.
Detailed description of the invention
Fig. 1 is the overall structure frame of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set provided in this embodiment
Figure；
Fig. 2 is the schematic diagram that pressure regulation current limliting module is isolated；
Fig. 3 is function terminal interface module diagram；
Fig. 4 is fictitious load module and the schematic diagram for detecting instrumentation module；
Fig. 5 is the upper computer software surface chart on main control module；
Fig. 6 is DC-DC electric-controlled parts test report figure；
Fig. 7 is DC-AC electric-controlled parts test report figure；
Fig. 8 is warm-air drier, the basic electric performance test report figure of defroster；
Fig. 9 is inflating pump adjustable frequency motor, power assistance pump for steering adjustable frequency motor, the basic electric property of Frequency Conversion Compressor
Test report figure.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.
Fig. 1 is the overall structure frame of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set provided in this embodiment
Figure, the electric bus electric-controlled parts four-in-one closed loop maintenance test bench set include isolation pressure regulation current limliting module, function terminal
Interface module, fictitious load module, detection instrumentation module and main control module.Pressure regulation current limliting module, function terminal interface mould is isolated
Block, electric-controlled parts to be measured, fictitious load module are sequentially connected by cable, detection instrumentation module connection fictitious load module and master
Module is controlled, main control module is also connected with isolation pressure regulation current limliting module, function terminal interface module and fictitious load module.
Wherein, isolation pressure regulation current limliting module is used to alternating current being converted to variable voltage, variable current gives function terminal interface
Module input, function terminal interface module output end are equipped with the interface of the various electric-controlled parts of electric bus, electric control part to be measured
The input terminal of part is connected on the corresponding interface of function terminal interface module, and the output end of electric-controlled parts to be measured connects fictitious load
Module, fictitious load module be adjustable as with the matched load of actual loading of the electric-controlled parts to be measured on electric bus, with
The practical application operating condition of simulation electric-controlled parts to be measured as true as possible.It is measured in fictitious load module by detection instrumentation module
Corresponding detection parameters.Main control module is used to automatically adjust parameter, the parameter of fictitious load module of isolation pressure regulation current limliting module,
The feedback signal of function terminal interface module and the detection data of detection instrumentation module are obtained, and then accuracy of judgement judges electricity to be measured
Which functional unit damage control component is specifically, to easily and accurately repair.
In conjunction with Fig. 2, it includes sequentially connected input module, adjustable transformer, isolation boosting change that pressure regulation current limliting module, which is isolated,
Depressor, current limliting module, rectification filtering module and output module, adjustable transformer are connected upper on main control module by voltage regulating module
Position machine software, upper computer software are also connected with current limliting module, and rectification filtering module is also connected with residual charge release module.
In the present embodiment, Power Entry Module uses alternating current three-phase 380V supply input, and adjustable transformer specification is AC, 0-
500V, isolation boosting transformer specification are AC, 0-1000V, and voltage regulating module is that stepper motor rotates pressure regulation or manual voltage regulation, current limliting
Module is using RS485 automatic current limiting or manually adjusts current limliting.Residual charge release module uses resistance.
By alternating current three-phase 380V supply input, adjustable transformer is provided power to, upper computer software is according to measuring technology
Voltage, the current parameters of data are set, and are rotated by stepper motor and are adjusted (also manually adjustable) isolation boosting transformer
It realizes that voltage is adjusted, current regulation is realized by current limliting module, rectification filtering module carries out voltage, the electric current after adjusting whole
Stream, filtering processing, the high pressure DC output voltage needed (limitation electric current) are exported from output module.After each power-off, electricity
Residual charge present in road is discharged by residual charge release module.
In conjunction with Fig. 3, function terminal interface module includes main platform 1, and 4 class function terminals are integrated on main platform 1 and are connect
Mouthful, it is respectively as follows: DC-DC interface 2, DC-AC interface 3, warm wind defrosting interface 4, motor compressor interface 5.
For pure electric bus, in order to guarantee the safety of high voltage power system, it would be desirable to which emphasis detects 8 kinds of electricity
Component is controlled, this 8 kinds of electric-controlled parts can be divided into 4 classes, be respectively as follows:
1st class: DC-DC, specially DC300V~700V turn DC27.5V~13.5V.
2nd class: DC-AC, including inflating pump variable frequency drives, power assistance pump for steering variable frequency drives, air-conditioning variable frequency drives；
3rd class: warm-air drier, defroster；
4th class: inflating pump adjustable frequency motor, power assistance pump for steering adjustable frequency motor, Frequency Conversion Compressor.
4 class function terminal interfaces in function terminal interface module respectively correspond the detection of above-mentioned 4 class electric-controlled parts.4 classes
The output module of the input terminal connection isolation pressure regulation current limliting module of function terminal interface, the output end of 4 class function terminal interfaces are used
In the connection with electric-controlled parts to be measured.The power supply obtained from the high pressure DC output end of isolation pressure regulation current limliting module passes through cable
Each function terminal interface being connected in function terminal interface module, then couple with electric-controlled parts to be tested and power is provided.
The control terminal 6 of electric-controlled parts to be tested, feedback CAN protocol analyzer 7 and function terminal interface are passed through into electricity
Cable is connected to the upper computer software on main control module, completes the physical connection that test needs.
It is additionally provided with fictitious load battery group 9 on main platform 1, for giving fictitious load module for power supply, and then tests DC
Turn DC charge and discharge data.
In conjunction with Fig. 4, fictitious load module includes input port and output port, is connected between input port and output port
Detect instrumentation module, output port connects resistive load and inductive load, output port can as needed manual setting it is resistive negative
It carries and the connection type of inductive load, such as series, parallel, single-phase, two-phase, three equal.
Being connected to according to wanted test load difference either manually or by output interface needs resistive load and perception to be tested negative
It is loaded into row simulation test, the voltage in test process, current data are detected by voltmeter, ammeter and passes through RS485 mould
Block communications feedback is to host computer software records.
In the present embodiment, resistive load is light bulb, and inductive load is variable-frequency motor, frequency-changeable compressor.Detect instrumentation module
Including voltmeter, ammeter.
In conjunction with Fig. 5, upper computer software passes through feedback CAN protocol analyzer and RS485 module, connection control, acquisition, hair
It send, adjust design parameter, to complete the test of corresponding electric-controlled parts.
Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set provided in this embodiment is in use, needing to test
Electric-controlled parts connected with corresponding function terminal, and corresponding fictitious load is set, host computer sends corresponding test signal,
Then judge whether qualification according to the data of feedback and normal parameter comparison, if unqualified come out fault parameter print-on-alarm.
Illustrate the specific detection method of 4 class electric-controlled parts respectively with four embodiments below.
Embodiment 1
For the 1st class: DC-DC electric-controlled parts carry out analog detection.
Using the utility model electric bus electric-controlled parts four-in-one closed loop maintenance test bench set, by DC-DC electric-controlled parts
It is connected with the closed loop maintenance test bench set, the specific steps are as follows:
1: by the input terminal linkage function terminal interface module of tested DC-DC electric-controlled parts, output end connection simulation
Load blocks.
2: loading system operating voltage 15-30V works normally, if the result of voltmeter measurement is sentenced within the scope of 15-30V
Break as qualification, be otherwise determined as unqualified, and records actual value.
3: load DC high pressure (350-710V) supplies electricity to DC-DC electric-controlled parts input terminal, is surveyed according to voltmeter ammeter
The result of amount:
If occurring input voltage under-voltage protection within the scope of 400 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value.
If occurring input voltage overvoltage protection within the scope of 700 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value.
4: vehicle start-up course (sending 30 enable signals) test repeat switch machine number, root are simulated by upper computer software
The number of success frequency of failure is recorded according to output voltage meter, ammeter feedback data, if being equal to 30 times sent is judged as conjunction
Lattice, are otherwise determined as unqualified, and record actual value.
According to 24 detection projects and detection parameters in the basic electric performance test report of DC-DC assembly, corresponding measurement is such as
Fruit meets condition and is judged as qualified, is otherwise determined as unqualified, and records actual value.It can be oriented specifically according to actual value
Which part is problem go out in, and repeatable verifying.Whether qualified, and print detection if being compared according to acquisition feedback to host computer data
Report, one-time detection report such as Fig. 6.
Embodiment 2
For the 2nd class: (inflating pump variable frequency drives, power assistance pump for steering variable frequency drives, air-conditioning become DC-AC electric-controlled parts
Frequency driver) carry out analog detection.
Using the utility model electric bus electric-controlled parts four-in-one closed loop maintenance test bench set, by DC-DC electric-controlled parts
It is connected with the closed loop maintenance test bench set, the specific steps are as follows:
1: input terminal, control terminal, the output end for being tested total member DC-AC electric-controlled parts pass through with testing stand terminal respectively
Corresponding cable connection is good.
2: load DC high pressure (350-710V) supplies electricity to DC-AC electric-controlled parts input terminal, is surveyed according to voltmeter ammeter
The result of amount:
If occurring input voltage under-voltage protection within the scope of 400 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value.
If occurring input voltage overvoltage protection within the scope of 700 ± 5VDC, it is judged as qualified, is otherwise judged to not conforming to
Lattice, and record actual value.
3: within the scope of DC-AC electric-controlled parts input frequency 5HZ-50HZ, passing through voltmeter, ammeter, frequency meter, measurement
Whether feedback result is consistent with input, is unanimously judged as qualified, is otherwise determined as unqualified, and records actual value.
4: vehicle start-up course (sending 30 enable signals) test repeat switch machine number, root are simulated by upper computer software
Number of success, the frequency of failure are recorded according to output voltage meter, ammeter feedback data, if being equal to 30 times sent is judged as conjunction
Lattice, are otherwise determined as unqualified, and record actual value.
According to 20 detection projects and detection parameters in the basic electric performance test report of DC-AC assembly, corresponding measurement is such as
Fruit meets condition and is judged as qualified, is otherwise determined as unqualified, and records actual value.It can be oriented specifically according to actual value
Which part is problem go out in.And repeatable verifying.Whether qualified, and print detection if being compared according to acquisition feedback to host computer data
Report.One-time detection report such as Fig. 7.
Embodiment 3
For the 3rd class: warm-air drier, defroster carry out analog detection.
Using the utility model electric bus electric-controlled parts four-in-one closed loop maintenance test bench set, by defroster (warm-air drier)
It is connected with the closed loop maintenance test bench set, the specific steps are as follows:
1: the input terminal for being tested total member defroster (warm-air drier), control terminal being passed through with testing stand terminal respectively corresponding
Cable connection is good.
2: load 1000V insulation megameter is to the anode of defroster (warm-air drier) to shell insulation resistance, cathode to shell
Insulation resistance measures between insulation resistance, positive and negative anodes, if anode is to shell insulation resistance, cathode to shell insulated electro
Resistance, the measurement result of insulation resistance is 200M Ω or more between positive and negative anodes, then is judged as qualified, be otherwise determined as it is unqualified,
And record actual value；
3: inputting 300V-700V voltage at the heating power end of defroster (warm-air drier), heating function is measured by voltmeter
Whether rate end output voltage and input are consistent, if unanimously, being judged as qualified, are otherwise determined as unqualified, and record actual value；
4: being maintained at the heating power end input 300V-700V voltage of defroster (warm-air drier), measured by ammeter warm
The electric current of blower or defroster is then judged as qualified within the scope of 2~8A, is otherwise determined as unqualified, and records actual value；
5: being maintained at the heating power end input 300V-700V voltage of defroster (warm-air drier), surveyed by temperature sensor
Air outlet temperature after amount warm-air drier or defroster steady operation is then judged as qualified within the scope of 30 DEG C~65 DEG C, otherwise determines
To be unqualified, and record actual value；
6: vehicle start-up course (sending 20 enable signals) test repeat switch machine number, root are simulated by upper computer software
Number of success, the frequency of failure are recorded according to output voltage meter, ammeter feedback data, if being equal to 20 times sent is judged as conjunction
Lattice, are otherwise determined as unqualified, and record actual value.
It is right according to 12 detection projects and detection parameters in the basic electric performance test report of defroster (warm-air drier) assembly
If should measure the condition of satisfaction is judged as qualified, otherwise it is determined as unqualified, and records actual value.It can be determined according to actual value
Position goes out particular problem and goes out in which part, and repeatable verifying.Whether compared according to acquisition feedback to host computer data qualified, and
Print examining report.One-time detection report such as Fig. 8.
Embodiment 4
For the 4th class: inflating pump adjustable frequency motor, power assistance pump for steering adjustable frequency motor, Frequency Conversion Compressor, it is simple below
Claim to carry out analog detection wait try total member.
It is realized using the utility model electric bus electric-controlled parts four-in-one closed loop maintenance test bench set, it will assembly be tried
Part is connected with the closed loop maintenance test bench set, the specific steps are as follows:
1: by input terminal linkage function terminal interface module, the output end connection fictitious load module, control wait try total member
End processed connects main control module；
2: load 500V insulation megameter treats the three-phase windings for trying total member and casing insulation resistance value is surveyed respectively
Amount is judged as qualified if measurement result three-phase windings and if being 200M Ω or more to shell insulation resistance, is otherwise determined as
It is unqualified, and record actual value；
3: frequency 50HZ, voltage 2V are inputted to total member to be measured, if test UV phase, UW phase, the alternate inductance of VW are in 50ML-
Then it is judged as qualified within the scope of 90ML, is otherwise determined as unqualified, and records actual value；
4: input frequency 5HZ-50HZ to total member to be measured, judge to detect instrumentation module measurement feedback result whether with it is defeated
Enter consistent, be judged as qualified if consistent, be otherwise determined as unqualified, and records actual value；
5: vehicle start-up course (sending 10 enable signals) test repeated priming motor is simulated by upper computer software
Number records number of success, the frequency of failure according to output voltage meter, ammeter feedback data, if being equal to 10 judgements sent
For qualification, otherwise it is determined as unqualified, and records actual value.
It is corresponding according to 13 detection projects and detection parameters in the basic electric performance test report of D adjustable frequency motor assembly
If measurement meets condition and is judged as qualified, otherwise it is determined as unqualified, and records actual value.It can be positioned according to actual value
Which part is particular problem go out in out.And repeatable verifying.Whether qualified, and beat if being compared according to acquisition feedback to host computer data
Print examining report.One-time detection report such as Fig. 9.
The above, the only preferred embodiment of the utility model, it is in any form and substantive not to the utility model
On limitation, it is noted that for those skilled in the art, in the premise for not departing from the utility model method
Under, several improvement and supplement can be also made, these are improved and supplement also should be regarded as the protection scope of the utility model.It is all ripe
Professional and technical personnel is known, in the case where not departing from the spirit and scope of the utility model, when using disclosed above
Technology contents and the equivalent variations of a little variation, modification and evolution made, be the equivalent embodiment of the utility model；Together
When, all substantial technologicals according to the utility model to the variation, modification and evolution of any equivalent variations made by above-described embodiment,
In the range of still falling within the technical solution of the utility model.
Claims (10)
1. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set characterized by comprising
Function terminal interface module for being connect with all kinds of electric-controlled parts to be measured of electric bus；
For power supply to be converted to variable voltage, variable current and the isolation pressure regulation limit for being supplied to the function terminal interface module
Flow module；
For simulating the fictitious load module of the load of electric-controlled parts to be measured；
For acquiring the detection instrumentation module of the feedback parameter of the fictitious load module；
The isolation pressure regulation current limliting module output end linkage function terminal interface module input, the output of function terminal interface module
End connects electric-controlled parts input terminal to be measured, and electric-controlled parts output end to be measured connects fictitious load module, detects instrumentation module
Fictitious load module and main control module are connected, main control module is also connected with isolation pressure regulation current limliting module, function terminal interface module, mould
The control terminal of quasi- load blocks and electric-controlled parts to be measured.
2. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as described in claim 1, it is characterised in that:
The isolation pressure regulation current limliting module includes sequentially connected input module, adjustable transformer, isolation boosting transformer, current limliting mould
Block, rectification filtering module and output module, adjustable transformer connect main control module by voltage regulating module, and main control module is also connected with limit
Flow module, rectification filtering module are also connected with residual charge release module.
3. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as claimed in claim 2, it is characterised in that:
The voltage regulating module is that stepper motor rotates voltage regulating module or manual voltage regulation module.
4. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as claimed in claim 2, it is characterised in that:
The current limliting module is RS485 automatic current limiting module or manually adjusts current limliting module.
5. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as claimed in claim 2, it is characterised in that:
The residual charge release module is resistance.
6. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as described in claim 1, it is characterised in that:
The function terminal interface module includes main platform (1), and 4 class function terminal interfaces are integrated on main platform (1), respectively
Are as follows:
For detecting the DC-DC interface (2) of DC-DC electric-controlled parts；
For detecting the DC-AC interface (3) of DC-AC electric-controlled parts；
Warm wind for detecting warm-air drier, defroster defrosts interface (4)；
For detecting the motor compressor of inflating pump adjustable frequency motor, power assistance pump for steering adjustable frequency motor, Frequency Conversion Compressor
Interface (5).
7. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as claimed in claim 6, it is characterised in that:
The DC-AC electric-controlled parts include inflating pump variable frequency drives, power assistance pump for steering variable frequency drives, air-conditioning variable frequency drives.
8. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as described in claim 1, it is characterised in that:
The fictitious load module includes input port and output port, and the detection instrument is connected between input port and output port
Module, output port connect resistive load and inductive load.
9. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as claimed in claim 8, it is characterised in that:
The output port is equipped with the load regulation module for adjusting the connection type of the resistive load and inductive load.
10. a kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set as described in claim 1, feature exist
In: the detection instrumentation module includes voltmeter, ammeter, frequency meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312734.1U CN209486512U (en) | 2019-03-13 | 2019-03-13 | Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312734.1U CN209486512U (en) | 2019-03-13 | 2019-03-13 | Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209486512U true CN209486512U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312734.1U Expired - Fee Related CN209486512U (en) | 2019-03-13 | 2019-03-13 | Electric bus electric-controlled parts four-in-one closed loop maintenance test bench set |
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| Country | Link |
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| CN (1) | CN209486512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828555A (en) * | 2019-03-13 | 2019-05-31 | 南京扬子公交客运有限公司 | A kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set |
-
2019
- 2019-03-13 CN CN201920312734.1U patent/CN209486512U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828555A (en) * | 2019-03-13 | 2019-05-31 | 南京扬子公交客运有限公司 | A kind of electric bus electric-controlled parts four-in-one closed loop maintenance test bench set |
| CN109828555B (en) * | 2019-03-13 | 2024-01-02 | 南京扬子公交客运有限公司 | Four-in-one closed-loop maintenance test bed for electric control part of electric bus |
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Granted publication date: 20191011 |