CN207540793U - A kind of diesel locomotive does resistance experimental rig - Google Patents
A kind of diesel locomotive does resistance experimental rig Download PDFInfo
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- CN207540793U CN207540793U CN201721753430.6U CN201721753430U CN207540793U CN 207540793 U CN207540793 U CN 207540793U CN 201721753430 U CN201721753430 U CN 201721753430U CN 207540793 U CN207540793 U CN 207540793U
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Abstract
A kind of diesel locomotive does resistance experimental rig, including load system and TT＆C system, load system is made of load resistance cabinet, and the input terminal of load resistance cabinet is connect with locomotive rectifier cabinet out-put supply, and the output terminal of load resistance cabinet does the load of resistance experiment as diesel locomotive；TT＆C system includes console, industrial personal computer, main control PLC, display device and analogue collection module, and industrial personal computer and main control PLC are each provided at console, and display device and analogue collection module are electrically connected with console.The utility model carries out load test by the way of dry resistance experiment to diesel locomotive, it can realize and multiple status datas are measured, disclosure satisfy that the section of DF4B (2430Kw), DF4D (2900Kw), DF5 (1210Kw), DF7 (1470Kw) and DF8B (3100Kw) diesel locomotive repaiies the locomotive load experimental performance experiment of regulation.
Description
Technical field
The utility model is related to a kind of Weight detectors of diesel locomotive, and in particular to a kind of diesel locomotive does resistance experiment
Device.
Background technology
The diesel engine of railway locomotive after maintenance, is needing to carry out locomotive load experiment, examines the items of diesel engine
Break-in condition after thermal parameter and mechanical friction, to ensure working performance and reliability in diesel engine utilization.It carries out at present
Locomotive load experiment in, the mode of load has water resistance and dry two kinds of resistance, is continuously adjusted although water resistance can be realized, meets experiment
It is required that but water resistance need to consume a large amount of water, and take up a large area, need to add in electrolyte when doing high current, it is usually industrial
Salt, containing a large amount of salinity in the water vapour generated in the heating process to water, not only can environmental pollution, but also to experiment
Equipment is corroded, and can also influence the health of operating personnel.Dry resistance is born using the resistance band on locomotive as the main generator of diesel engine
It carries, takes up an area less, it is environmentally safe, it is easy to operate, there is promotional value.
Such as application number CN01201682.9, the utility model patent of entitled " shifting dry resistance test vehicle operation table " discloses
A kind of shifting dry resistance test vehicle operation table, for dry resistance equipment of the centralized Control as tested locomotive load, including:
General supply, power autonomous, control device, protection circuit and field regulator, it is characterised in that control device be equipped with supervisory instrument,
Indicator light, stacked switch and autoalarm, the control output end being made of combinational circuit and the dry electricity for belonging to external component
The controlled terminal connection of equipment is hindered, with an output terminal of circuit is protected to connect, supervisory instrument contains the input terminal of autoalarm
There are the multiple indicating meters being connected respectively with the various electric quantity signal sensors and non-electric charge quantity signalling sensor of tested locomotive;
Indicator light contains shows overcurrent, differential, ground fault instruction respectively, and alternating current and direct current power supply instruction, testing stand working condition refers to
Show, the on off operating mode of each contactor indicates many indicator lights.Although this patent proposes a kind of dry resistance test vehicle, but for specific
How to carry out the adjusting of resistance value and do not related to meeting the needs of different automobile types experiment.
For another example document " design [D] the Southwest Jiaotong Universitys of the yellow brave novel dry ash yard of Xiang diesel locomotives,
2002. " refer to a kind of dry ash yard, are grouped by energy dissipating portion, detection sensor part, computer system management processing unit
Into locomotive dry ash yard being transformed, and utilize technique of computer measurement and control, PWM technologies and weighted resistor technology using IGBT（Digital skill
Art）Dry ash yard is controlled.But the method and structure are more complicated, therefore still need to improve.
Utility model content
A kind of the problem of the utility model is detected for Current internal combustion engines vehicle dry ash yard, it is proposed that internal combustion engine
Vehicle does resistance experimental rig, easily carries out load test to the diesel locomotive after repair, disclosure satisfy that DF4B (2430Kw), DF4D
The section of (2900Kw), DF5 (1210Kw), DF7 (1470Kw) and DF8B (3100Kw) diesel locomotive repair the locomotive load examination of regulation
Test performance test.
Used technological means is the utility model in order to solve the above problem：A kind of diesel locomotive does resistance experimental rig,
Including load system and TT＆C system, load system is made of load resistance cabinet, input terminal and the locomotive rectification of load resistance cabinet
Cabinet out-put supply connects, and the output terminal of load resistance cabinet does the load of resistance experiment as diesel locomotive；TT＆C system includes control
Platform, industrial personal computer, main control PLC, display device and analogue collection module, industrial personal computer and main control PLC are each provided at console, display dress
It puts and is electrically connected with analogue collection module with console.
Further, load resistance cabinet has two or more, and every load resistance cabinet includes more than two resistance bands, every
It is electrically connected by switching between resistance band in load resistance cabinet, is electrically connected between four load resistance cabinets by switching.
Further, load resistance cabinet has four, and 11 road resistance are set in every load resistance cabinet.
Further, the resistance all the way in a load resistance cabinet is matched the single-phase of electric current for being useful for finely tuning major loop and is cut
Wave device.
Further, each load resistance cabinet is equipped with carrying out load resistance cabinet the wind turbine of forced air cooling heat dissipation,
It is electrically connected between wind turbine and TT＆C system.
Further, TT＆C system is further included is used for the electric current for finely tuning major loop in a load resistance cabinet
IGBT controllers.
Further, TT＆C system further includes remote terminal.
The beneficial effects of the utility model are：
1. the utility model carries out load test by the way of dry resistance experiment to diesel locomotive, can realize to rectification
Cabinet output voltage, rectifier cabinet output current, main generator excitation voltage, main generator excitation electric current, exciting current of exciter, survey
Speed generator exciting current, preceding increasing engine oil pressure, increases engine oil pressure, total pressure at expulsion, preceding increasing exhaust temperature at machine oil terminal pressure afterwards
Degree, increasing delivery temperature, cooling water temperature, oil temperature etc. measure afterwards；Equipment working state can be monitored, and had
There is defencive function.
2. the load system of the utility model is made of multiple load resistance cabinets, each load resistance cabinet is using subdivision electricity
Branch path method is hindered, the power that each branch resistance band undertakes is reduced, machine is met by each branch resistance series and parallel of load resistance cabinet
Vehicle load test requirements document, disclosure satisfy that DF4B (2430Kw), DF4D (2900Kw), DF5 (1210Kw), DF7 (1470Kw) and
The section of DF8B (3100Kw) diesel locomotive repaiies the locomotive load experimental performance experiment of regulation.
3. the utility model is led back by being equipped with chopper and IGBT controllers in a load resistance cabinet for finely tuning
The electric current on road realizes more accurate current regulation.
Description of the drawings
Fig. 1 is the utility model principle block diagram；
Fig. 2 is one load resistance cabinet schematic diagram of the utility model embodiment；
Fig. 3 finely tunes schematic diagram for one load resistance of the utility model embodiment；
Fig. 4 is one TT＆C system structure diagram of the utility model embodiment.
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment one
As shown in Figure 1, a kind of diesel locomotive does resistance experimental rig, including load system and TT＆C system, load system by
Load resistance cabinet forms, and the input terminal of load resistance cabinet is connect with locomotive rectifier cabinet out-put supply, the output terminal of load resistance cabinet
The load of resistance experiment is done as diesel locomotive；TT＆C system includes console, industrial personal computer, main control PLC, display device and analog quantity
Acquisition module, industrial personal computer and main control PLC are each provided at console, and display device and analogue collection module are electrically connected with console.
As shown in figure 4, TT＆C system uses centralized configuration, one console of setting is as total operating platform, mainly
By industrial personal computer, PLC-S7200, analogue collection module, IGBT controllers, remote terminal operator control panel composition.Wherein industrial personal computer is made
For the host computer of TT＆C system, man-machine interface is provided；Main control PLC is that equipment control command sends out source and equipment state receives source；
Analogue collection module performs status information of equipment acquisition and parameter feedback, is passed by temperature sensor, voltage sensor, electric current
Sensor etc. acquires each status information.There are audible and visible alarm device and emergency stop button on console, but experimental rig appearance is different
Often or when failing alarm is provided, and main power source can be cut off rapidly by pressing emergency stop button.
Load resistance cabinet has four：Load resistance cabinet 1, load resistance cabinet 2, load resistance cabinet 3, load resistance cabinet 4, every
Load resistance cabinet includes more than two resistance bands, is electrically connected between the resistance band in every load resistance cabinet by switching, four
It is electrically connected between platform load resistance cabinet by switching.
As shown in Fig. 2, 11 road resistance of setting in every load resistance cabinet, are composed in series per road resistance using two sections of resistance
Centre tap outlet method, one section of 2.3 Ω of resistance/246A, two sections of 1.6 Ω of resistance/246A, maximum amount electric current are 250A.Often
The load of platform load resistance cabinet reduces the power undertaken of each branch resistance band, every electricity using subdivision resistance branch method
The maximum current for hindering branch is 250A, and the connection in series-parallel between resistance is realized by switch, and flexible modulation reaches the resistance value of needs,
Power gear can be made more to segment, meet the requirement of different locomotive tests.
Each load resistance cabinet is equipped with carrying out load resistance cabinet the axial flow blower of the 5KW of forced air cooling heat dissipation,
It is electrically connected between wind turbine and TT＆C system, industrial personal computer controls the start and stop of wind turbine, and analogue collection module is to each transportation work style temperature
It measures and shows, console can carry out alarm when collected wind turbine abnormal signal.
Resistance all the way in load resistance cabinet 4 matches the single-phase chopper for the electric current for being useful for fine tuning major loop.Such as Fig. 3 institutes
Show, single-phase chopper is configured in load resistance cabinet for finely tuning load resistance, main circuit current is realized by the fine tuning of resistance
Fine tuning.IGBT controllers are additionally provided in this load resistance cabinet, the fine tuning of main circuit current is realized using IGBT controllers.It is single
Phase chopper and IGBT controllers form the fine tuning branch in load resistance cabinet 4.
It is adopted between industrial personal computer and main control PLC, between main control PLC and remote terminal, between industrial personal computer and IGBT controllers
It is communicated with RS485 buses and data transmission.Industrial personal computer is also connect with a display screen, is communicated using RS422 buses
And data transmission.
Above-described embodiment further relates to a kind of diesel locomotive and does resistance test method, is provided by load system for diesel locomotive negative
Load, TT＆C system carry out operation and control and gathered data is tested to carry out dry resistance to diesel locomotive, and wherein load system is by loading
Resistor box forms, and by accessing locomotive rectifier cabinet out-put supply, meets locomotive by each branch resistance series and parallel of load resistance cabinet
The test requirements document of load；TT＆C system sends out control instruction, gathered data information, receiving device work shape according to control requirement
State.
Equipped with two or more, every load resistance cabinet using subdivision resistance branch method, is reduced every load resistance cabinet
The power that a branch resistance band undertakes, the maximum current of every resistance branch is 250A.
By the way of forced air cooling heat dissipation, every load resistance cabinet radiates load resistance cabinet equipped with wind turbine, surveys
Control system is measured and is shown to each transportation work style temperature, and wind turbine start and stop are controlled.
In a load resistance cabinet wherein resistance is used to finely tune the electricity of major loop equipped with single-phase chopper all the way all the way
Stream.
TT＆C system uses centralized configuration, is grasped in the console of TT＆C system equipped with industrial personal computer as man-machine interface
Make, send out order and reception state data equipped with main control PLC, operational order and status data are shown equipped with display device
Show, the status data of diesel locomotive is acquired by analogue collection module.
TT＆C system is additionally included in the electric current for being used to finely tune major loop in a load cabinet equipped with IGBT controllers, and maximum is adjusted
Current 250A.
When the dry resistance experiment for carrying out diesel locomotive, operating personnel send out equipment control command in console, by industrial personal computer
It is communicated by RS485 and send order into main control PLC, then corresponding control command is performed by subordinate's element by main control PLC.Subordinate
Executive component only receives the order that main control PLC is sent, and corresponding equipment is controlled after explanation.It can be according to test technology requirement pair
Testing stand load system is controlled, and testing stand ancillary equipment is controlled；It can be according to different subjects（DF4B、
DF4D、DF5、DF7、DF8B）Carry out experiment selection.Status signal (digital-to-analog) in I/O acquisition screen cabinets is sent to main control PLC,
It is sent by main control PLC by RS485 communications to industrial personal computer, industrial personal computer will include after signal processing in man-machine interface（Such as voltage, electricity
Stream information and warning message etc.）.Analogue collection module acquires the status signal (current/voltage) of locomotive, send to main control PLC,
It is sent by main control PLC by RS485 communications to industrial personal computer, industrial personal computer will include after signal processing in man-machine interface；Remote terminal
Operating personnel observe each status information of locomotive (temperature/pressure) write operation screen by operator control panel and are sent through RS485 communications to master control
PLC is sent by RS485 communications to industrial personal computer by main control PLC, and industrial personal computer will include after signal processing in man-machine interface（If any
Alarm generates, will display alarm information on the display apparatus）.
Specifically such as confirm locomotive rectifier cabinet out-put supply when doing resistance experiment to DF4B progress locomotive loads, close R1-R4 tetra-
Each 11 branch resistances of a load resistance cabinet and when observing man-machine interface current and reaching the requirement of DF4B load tests, stop closing each
Branch resistance, analogue collection module are acquired the status data of each 11 branches of each load resistance cabinet, determine every
A load resistance cabinet is in the operating temperature of permission.
When doing resistance experiment to DF4D progress locomotive loads, locomotive rectifier cabinet out-put supply is confirmed, close R1-R4 tetra- and load
Each seven branch resistances of resistor box and when observing man-machine interface current and reaching the requirement of DF4B load tests, stop closing each branch electricity
Resistance, analogue collection module are acquired the status data of each seven branches of each load resistance cabinet, determine each load electricity
Cabinet is hindered in the operating temperature of permission.
When doing resistance experiment to DF8B progress locomotive loads, locomotive rectifier cabinet out-put supply is confirmed, close R1-R3 tri- and load
Each ten branch resistances of resistor box and when observing man-machine interface current and reaching the requirement of DF4B load tests, stop closing each branch electricity
Resistance, analogue collection module are acquired the status data of each ten branches of three load resistance cabinets, determine each load electricity
Cabinet is hindered in the operating temperature of permission.
When doing resistance experiment to DF7, DF5 progress locomotive load, confirm locomotive rectifier cabinet out-put supply, close R1-R4 tetra-
Each 11 branch resistances of load resistance cabinet and observe man-machine interface current reach DF4B load tests requirement when, stop close each
Road resistance, analogue collection module are acquired the status data of each 11 branches of each load resistance cabinet, determine each
Load resistance cabinet is in the operating temperature of permission.
Above example is only for illustration of the utility model rather than limitation to the utility model, related technical field
Technical staff in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes or convert, because
This all equivalent technical solution should also belong to the scope of protection of the utility model, and the scope of protection of the utility model should be by
Each claim limits.
Claims (7)
1. a kind of diesel locomotive does resistance experimental rig, including load system and TT＆C system, it is characterised in that：Load system is by bearing
Resistor box composition is carried, the input terminal of load resistance cabinet is connect with locomotive rectifier cabinet out-put supply, and the output terminal of load resistance cabinet is made
The load of resistance experiment is done for diesel locomotive；TT＆C system is adopted including console, industrial personal computer, main control PLC, display device and analog quantity
Collect module, industrial personal computer and main control PLC are each provided at console, and display device and analogue collection module are electrically connected with console.
2. diesel locomotive as described in claim 1 does resistance experimental rig, it is characterised in that：Load resistance cabinet has two or more,
Every load resistance cabinet includes more than two resistance bands, is electrically connected between the resistance band in every load resistance cabinet by switch
It connects, is electrically connected between four load resistance cabinets by switching.
3. diesel locomotive as claimed in claim 2 does resistance experimental rig, it is characterised in that：Load resistance cabinet has four, every
11 road resistance of setting in load resistance cabinet.
4. diesel locomotive as claimed in claim 2 does resistance experimental rig, it is characterised in that：One in a load resistance cabinet
Road resistance matches the single-phase chopper for the electric current for being useful for fine tuning major loop.
5. diesel locomotive as claimed in claim 2 does resistance experimental rig, it is characterised in that：Each load resistance cabinet is equipped with
There is the wind turbine that forced air cooling heat dissipation is carried out to load resistance cabinet, be electrically connected between wind turbine and TT＆C system.
6. diesel locomotive as claimed in claim 5 does resistance experimental rig, it is characterised in that：TT＆C system is further included mounted on one
It is used to finely tune the IGBT controllers of the electric current of major loop in platform load resistance cabinet.
7. diesel locomotive as described in claim 1 does resistance experimental rig, it is characterised in that：TT＆C system further includes long-range end
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753430.6U CN207540793U (en) | 2017-12-15 | 2017-12-15 | A kind of diesel locomotive does resistance experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753430.6U CN207540793U (en) | 2017-12-15 | 2017-12-15 | A kind of diesel locomotive does resistance experimental rig |
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| Publication Number | Publication Date |
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| CN207540793U true CN207540793U (en) | 2018-06-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817109A (en) * | 2017-12-15 | 2018-03-20 | 株洲中车电气科技有限公司 | A kind of dry resistance test method of diesel locomotive and device |
| RU219104U1 (en) * | 2023-04-03 | 2023-06-28 | Евгений Евгеньевич Шпаков | Mobile rheostat station for testing the diesel generator set of a diesel locomotive |
-
2017
- 2017-12-15 CN CN201721753430.6U patent/CN207540793U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817109A (en) * | 2017-12-15 | 2018-03-20 | 株洲中车电气科技有限公司 | A kind of dry resistance test method of diesel locomotive and device |
| RU219104U1 (en) * | 2023-04-03 | 2023-06-28 | Евгений Евгеньевич Шпаков | Mobile rheostat station for testing the diesel generator set of a diesel locomotive |
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