CN107037357A - A kind of full-automatic circuit breaker chassis mechanical endurance test system and method - Google Patents
A kind of full-automatic circuit breaker chassis mechanical endurance test system and method Download PDFInfo
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- CN107037357A CN107037357A CN201710401415.3A CN201710401415A CN107037357A CN 107037357 A CN107037357 A CN 107037357A CN 201710401415 A CN201710401415 A CN 201710401415A CN 107037357 A CN107037357 A CN 107037357A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a kind of full-automatic circuit breaker chassis mechanical endurance test system, including：Touch-screen, is used as the input for setting test parameters and control mode；PLC core processing units, for exporting the first control command signal；PLC data signals are handled；Servo controller, for being controlled according to switching value output signal and the first control command signal to servomotor, sends the second control command signal；Servomotor, exports for the angular displacement being converted into the second control command signal on motor reel or angular speed, controls the position of circuit breaker chassis test product；Torque sensor, for gathering the moment of torsion that servomotor is output on circuit breaker chassis test product；AD conversion unit, for the moment of torsion electric signal to be converted into PLC data signals；On-off signal unit, for the position state signal of the circuit breaker chassis test product to be converted into location status data signal；Switch amount output unit, for output signal switching value output signal.
Description
Technical field
The present invention relates to high-voltage switch gear testing equipment field, and more particularly, to a kind of full-automatic chassis of circuit breaker
Vehicle device tool service life experiment system and method.
Background technology
It is high-tension switch cabinet to carry out 1000 mechanical endurance tests to high-voltage central-positioned switch cubicle inner breaker chassis vehicle
One must do type approval test project, while being also to verify high-tension switch cabinet stab contact, a kind of research hand of chassis vehicle reliability
Section.The Large scale construction transformation of power distribution network during with national " 13 ", the quality to distribution net equipments such as high-tension switch cabinets is got over
More to pay attention to, the experiment is also listed in an important sampling examination project of examination high-tension switch cabinet product quality.
At present, the Basic practice of domestic Ge Jia experiment stations and switch cubicle manufacturing firm is all by way of manpower manual
The insertion of 1000 times is carried out to circuit breaker chassis with hand arm and experiment examination and product research is extracted out, this mode is main
The problem of be that time-consuming, laborious many, inefficiency, the quality because of personnel, sense of responsibility, skilled operation degree etc. are also easy in addition
Unstable human factor causes test effect undesirable.
Therefore, with the increase year by year of high-tension switch cabinet production-type test amount and sampling observation workload, one is urgently needed
Full-automatic circuit breaker chassis mechanical endurance test system is planted, must not be fast and efficiently to circuit breaker chassis machinery with solution
The problem of life-span is tested.
The content of the invention
The invention provides a kind of full-automatic circuit breaker chassis mechanical endurance test system and method, solving can not be fast
It is speed, efficient the problem of test circuit breaker chassis mechanical life.
In order to solve the above problems, according to an aspect of the invention, there is provided a kind of full-automatic chassis of circuit breaker vehicle device
Tool service life experiment system, the system includes：Touch-screen, PLC core processing units, servo controller, servomotor, moment of torsion are passed
Sensor, AD conversion unit, On-off signal unit and switch amount output unit,
The touch-screen, is connected with the PLC core processing units, for being used as setting test parameters and control mode
Input；
The PLC core processing units, respectively with the output end of the On-off signal unit and AD conversion unit, and
The input of switch amount output unit is connected, at the input setting to location status data signal and touch-screen
Reason, exports the first control command signal；PLC data signals are handled；
The servo controller, respectively with the output end and institute of the switch amount output unit and PLC core processing units
The input for stating servomotor is connected, for the switching value output signal that is exported according to the switch amount output unit and described
First control command signal is controlled to the servomotor, sends the second control command signal；
The servomotor, for the angular displacement being converted into the second control command signal on motor reel or angle speed
Degree output, controls the position of circuit breaker chassis test product；
The torque sensor, is connected with the output end of the servomotor and the input of AD conversion unit respectively,
Moment of torsion telecommunications is converted to for gathering the moment of torsion that the servomotor is output on circuit breaker chassis test product, and by the moment of torsion
Number output is to AD conversion unit；
The AD conversion unit, is connected with the input of the PLC core processing units, for by the moment of torsion telecommunications
PLC data signals number are converted into, and are exported to PLC core processing units；
The On-off signal unit, is connected with the input of the PLC core processing units, for by the open circuit
The position state signal of device chassis vehicle test product is converted into location status data signal and exported to PLC core processing units；
The switch amount output unit, for obtaining output switch parameter letter according to the result of PLC core processing units
Number.
Preferably, wherein the system also includes：Dismountable circuit breaker chassis test product connecting bushing device and support
Unit,
Dismountable breaker jiggering test product connecting bushing device include：Yielding coupling, bearing group, output shaft
Set, extension rod and connecting bushing, each part are mechanically connected successively in order, and yielding coupling is connected with torque sensor, connection
Axle sleeve is connected with circuit breaker chassis test product, and the circuit breaker chassis that the connecting bushing device adapts to various different models connects
Connection interface；
The carrier unit is three layers of four-column type supporting structure, and top layer and bottom are flat board, and bottom platform is furnished with ten thousand
To wheel, intermediate layer is automatic lifting operating desk, and operating desk is lifted by platform lifting mechanism, and the platform lifting mechanism is
Screw mandrel combination reducing gear equipment.
Preferably, wherein the touch-screen, PLC core processing units, servo controller, servomotor, torque sensor
Unit, On-off signal unit, switch amount output unit, time management control unit and memory cell are located in carrier unit
In interbed operating desk.
Preferably, wherein the test parameters includes：Test number (TN), actuation time, cycle delay time, shake into speed,
The anglec of rotation, action protection time, rotating cycle protection value and force moment protection value.
Preferably, wherein the setting scope of the test number (TN) is 1-99999, the setting scope of service speed is 1-99.9
Circle/point, the setting scope of testing position delay time is 0-9999.9 seconds, and the setting scope of action protection time is 0-999.9
Second, the setting scope of force moment protection value is 1-30NM, and the setting scope of rotating cycle protection value is enclosed for 1-999.9.
Preferably, wherein the system also includes：Judging unit, for judging whether the circuit breaker chassis test product arrives
Up to operating position or testing position.
Preferably, wherein the judging unit specifically for：After execution is shaken or shakes out order, if moment of torsion, rotation
The number of turns or in actuation time at least one be more than setting value, then send failure police；Conversely, circuit breaker chassis test product reaches work
Make position or testing position, perform Next Command.
Preferably, wherein the control mode includes：Automatic control mode and manual control mode.
According to another aspect of the present invention there is provided a kind of full-automatic circuit breaker chassis mechanical endurance test method,
Methods described includes：
Step 1, test parameters and control mode are set, wherein the test parameters includes：Test number (TN), actuation time,
Cycle delay time, shake into speed, the anglec of rotation, action protection time, rotating cycle protection value and force moment protection value；
Step 2, PLC core processing units obtain the first control according to the input of location status data signal and touch-screen and ordered
Make signal；
Step 3, the switch that servo control unit is exported according to the first control command signal and switch amount output unit
Output signal is measured, the second control command signal is obtained；
Step 4, the second control command signal is converted into the angular displacement on motor reel or angular speed by servomotor
Output；
Step 5, the moment of torsion electric signal that the servomotor is output on circuit breaker chassis test product is gathered, and is turned round described
Square electric signal is converted into PLC data signals；
Step 6, the position state signal of the circuit breaker chassis test product is gathered, the position state signal is converted into
Location status data signal is sent to PLC core processing units；
Step 7, judge whether test number (TN) reaches the test number (TN) of setting, if so, then terminate, otherwise, return to step 2.
Preferably, wherein the setting scope of the test number (TN) is 1-99999, the setting scope of service speed is 1-99.9
Circle/point, the setting scope of testing position delay time is 0-9999.9 seconds, and the setting scope of action protection time is 0-999.9
Second, the setting scope of force moment protection value is 1-30NM, and the setting scope of rotating cycle protection value is enclosed for 1-999.9.
Preferably, wherein methods described also includes：
Judge whether the circuit breaker chassis test product reaches operating position or testing position.
Preferably, wherein methods described includes：
After execution is shaken or shakes out order, if moment of torsion, rotating cycle or in actuation time at least one be more than set
Definite value, then send failure police；Conversely, circuit breaker chassis test product reaches operating position or testing position, Next Command is performed.
Preferably, wherein the control mode includes：Automatic control mode and manual control mode.
The beneficial effects of the present invention are：
Technical scheme provides a kind of full-automatic circuit breaker chassis mechanical endurance test system, realizes examination
The automation mechanized operation tested, instead of manpower manual operation, improves the operating efficiency of experiment station and manufacturing firm, saved work
Cost.In addition, the system of the present invention can apply to the high-voltage central-positioned switch cubicle of various models, with stronger practicality
Energy.
Brief description of the drawings
By reference to the following drawings, the illustrative embodiments of the present invention can be more fully understood by：
Fig. 1 is the structure of the full-automatic circuit breaker chassis mechanical endurance test system 100 according to embodiment of the present invention
Schematic diagram；
Fig. 2 is the structure chart 1 of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention；
Fig. 3 is the structure chart 2 of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention；
Fig. 4 is the structure chart 3 of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention；
Fig. 5 is the structure chart 4 of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention；
Fig. 6 is the PLC cores of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention
The schematic diagram of processing unit；
Fig. 7 is the PLC cores of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention
The connection diagram of processing unit, servo controller and servomotor；
Fig. 8 is program schematic diagram of the servo controller according to embodiment of the present invention to the control of velocity of rotation；
Fig. 9 is the SERVO CONTROL of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention
The circuit connection diagram of device；
Figure 10 is to be passed according to the moment of torsion of the full-automatic circuit breaker chassis mechanical endurance test system of embodiment of the present invention
The connection diagram of sensor；And
Figure 11 is the stream of the full-automatic circuit breaker chassis mechanical endurance test method 1100 according to embodiment of the present invention
Cheng Tu.
Embodiment
The illustrative embodiments of the present invention are introduced with reference now to accompanying drawing, however, the present invention can use many different shapes
Formula is implemented, and it is to disclose at large and fully there is provided these embodiments to be not limited to embodiment described herein
The present invention, and fully pass on the scope of the present invention to person of ordinary skill in the field.For showing for being illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements are attached using identical
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has to person of ordinary skill in the field
It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, is appreciated that and it
The linguistic context of association area has consistent implication, and is not construed as Utopian or excessively formal meaning.
Fig. 1 is the structure of the full-automatic circuit breaker chassis mechanical endurance test system 100 according to embodiment of the present invention
Schematic diagram.As shown in figure 1, the full-automatic circuit breaker chassis mechanical endurance test system 100 is used for circuit breaker chassis
Mechanical life is automatically tested, and the system 100 includes：Touch-screen 101, PLC core processing units 102, SERVO CONTROL
Device 103, servomotor 104, torque sensor 105, AD conversion unit 106, switch amount output unit 107 and On-off signal list
Member 108.
Preferably, wherein the system also includes：Dismountable circuit breaker chassis test product connecting bushing device and support
Unit, dismountable breaker jiggering test product connecting bushing device include：Yielding coupling, bearing group, output sleeve,
Extension rod and connecting bushing, each part are mechanically connected successively in order, and yielding coupling is connected with torque sensor, connecting bushing
It is connected with circuit breaker chassis test product, the circuit breaker chassis that the connecting bushing device adapts to various different models connects
Mouthful；The carrier unit is three layers of four-column type supporting structure, and top layer and bottom are flat board, and bottom platform is furnished with universal wheel,
Intermediate layer is automatic lifting operating desk, and operating desk is lifted by platform lifting mechanism, and the platform lifting mechanism is screw mandrel
With reference to reducing gear equipment.In embodiments of the present invention, the touch-screen, PLC core processing units, servo controller,
Servomotor, torque sensor unit, On-off signal unit, switch amount output unit, time management control unit and storage
Unit is located in the intermediate layer operating desk of carrier unit.Fig. 2 is the full-automatic circuit breaker chassis according to embodiment of the present invention
The structure chart 1 of mechanical endurance test system.Fig. 3 is the full-automatic circuit breaker chassis mechanical life according to embodiment of the present invention
The structure chart 2 of pilot system.Fig. 4 is the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention
Structure chart 3.Fig. 5 is the structure chart of the full-automatic circuit breaker chassis mechanical endurance test system according to embodiment of the present invention
4.It is the structure chart of full-automatic circuit breaker chassis mechanical endurance test system as shown in Fig. 2,3,4 and 5, wherein, 1 is open circuit
Device chassis vehicle test product, 2 be connecting bushing, and 3 be extension rod, and 4 be output sleeve, and 5 be bearing group, and 6 be yielding coupling, and 7 be torsion
Square sensor, 8 be platform lifting mechanism, and 9 be reductor, and 10 be servomotor, and 11 be carrier unit.
Preferably, the touch-screen 101 is connected with the PLC core processing units, for being used as setting test parameters
With the input of control mode.Preferably, wherein the test parameters includes：When test number (TN), actuation time, cycle delay
Between, shake into speed, the anglec of rotation, action protection time, rotating cycle protection value and force moment protection value.Preferably, wherein described
The setting scope of test number (TN) is 1-99999, the setting scope of service speed for 1-99.9 circles/point, testing position delay time
Setting scope be 0-9999.9 second, the setting scope of action protection time is 0-999.9 seconds, the setting scope of force moment protection value
For 1-30NM, the setting scope of rotating cycle protection value is enclosed for 1-999.9.Preferably, wherein the control mode includes：Automatically
Control mode and manual control mode.During being automatically brought into operation, circuit breaker chassis is first in after testing position, delay T1
Operating position is reached into order by shaking, testing position is arrived again at by shaking out order after the T2 that is then delayed, whole process is pressed
Repeated according to the test number (TN) of setting.During manual control mode, shaken into by crawl operation and shake out operation.The present invention's
In embodiment, touch-screen uses prestige synthetic fibre TK6100IQ, 10 cun of color touch screens；Touch-screen is powered by 24VDC power supplys；Touch-screen
It is that RS485. PORT COMs are changed to after COM2 with PLC on-link mode (OLM)s, then interface type is changed to RS-485 4W.Table 1 is PLC cores
Heart control unit and the corresponding connecting line relation of touch-screen.
The PLC key control units of table 1 and the corresponding connecting line relation of touch-screen
| Touch-screen | PLC |
| 9pin females | 8pin males |
| 1 | 4 |
| 2 | 7 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
Following parameter (power down holding) can be set by touch-screen：Life test setting number of times (1-99999 times), experiment
Position delay time (0-9999.9 seconds), operating position delay time (0-9999.9 seconds), actuation time protection timing (0-
999.9 seconds), force moment protection value (1-30NM), rotating cycle protection value (1-999.9 circles) and service speed (1-99.9 circles/point).
Data below can be obtained by touch-screen：Above items setup parameter shows that life test has completed number of times, from
In dynamic running, testing position delay time run second, during automatic running, operating position delay time run second, shake into or
Person is shaken out in actuation time time run second, action process, real-time moment values, is shaken into or is shaken out action starting, output shaft is
The number of turns of rotation, real-time operation speed, real-time running state：Automatic mode is run：Shake into process, the process of shaking out, delay is waited,
Real-time running state：Failure, wherein fault cues are：Torque transfinites, rotating cycle transfinites, actuation time transfinites, servomotor
Failure, real-time running state：Manual mode or holding state.
Following operation can be made by touch-screen：Above parameters, manual mode are set, crawl motor is rotated forward or anti-
Turn, manual mode shakes into operation, operating position is automatically stopped in place, manual mode, shakes out operation, testing position is automatic in place
Stop, automatic mode, start automatic running, automatic mode stops automatic running, reset failure, counter O reset and debugging mould
Formula：Adjust servomotor inner parameter.
Preferably, the PLC core processing units 102 are defeated with the On-off signal unit and AD conversion unit respectively
Go out end, and the input of switch amount output unit is connected, and is set for the input to location status data signal and touch-screen
Put and handled, export the first control command signal；PLC data signals are handled.Fig. 6 is according to embodiment of the present invention
Full-automatic circuit breaker chassis mechanical endurance test system PLC core processing units schematic diagram.As shown in fig. 6, at this
In the embodiment of invention, PLC core processing units use Mitsubishi's FX3UC-96MT main frames, additional 1 FX2N-2AD analog quantity
Acquisition module, PLC is powered by 24VDC, and communication port is connected with touch-screen, exportable input high-speed pulse, and processing umber of pulse is reachable
100KHZ, processing time is less than 100ns.Wherein, the high-speed pulse of output is used for running speed and the walking for controlling servomotor
Angle；The high-speed pulse passage of input is the high-speed pulse signal inputted by capturing and coding device, for calculating motor rotation
Angle.
Preferably, the servo controller 103 is defeated with the switch amount output unit and PLC core processing units respectively
Go out end with the input of the servomotor to be connected, the output switch parameter for being exported according to the switch amount output unit is believed
Number and the first control command signal the servomotor is controlled, send the second control command signal.
Preferably, the servomotor 104 is used for the angle being converted into the second control command signal on motor reel
Displacement or angular speed output, control the position of circuit breaker chassis test product.Fig. 7 is according to the full-automatic disconnected of embodiment of the present invention
The connection diagram of the PLC core processing units of road device chassis vehicle mechanical endurance test system, servo controller and servomotor.
As shown in fig. 7, in embodiments of the present invention, servomotor is Delta ECMA-E21315RS, and servo controller is Delta
ASD-B2-1521-B, servo controller, by two cable connections, is that motor driving power supply line and angle are compiled respectively with servomotor
Code device line, servo controller is powered by alternating current 220V power supply, and servo controller is connected with PLC core processing units by a cable
Connect, be PLC core processing units control servo-drive system circuit.The operation principle of servo-drive system is：Servo controller uses position
Coded number is fed back to servo controller by control, angular encoder in real time, and the hair pulse of PLC core processing units and direction are to servo
Controller is operated, and servo controller main power source contactor is connected, and servo controller is enabled and started.The main output of servo controller
Loop is powered, and the umber of pulse that servomotor is set by touch-screen rotates the distance of setting.Motor travel distance and PLC core processings
Unit is relevant to the umber of pulse of servo controller, the motor speed of travel and pulse of the PLC core processing units to servo controller
Frequency is relevant, and pulse frequency is bigger, and motor rotation speed is faster.
Control of the servo controller to rotational angle：Servo controller can be accurately controlled the angle position of servomotor rotation
Put, the electronic gear proportion of servo controller is N/M, wherein, N is relevant with the encoder accuracy of motor, and M and motor turn around needs
The umber of pulse of reception is relevant.Servo controller uses position control mode, and control principle is that pulse adds direction type.Angular encoder
Precision is 160000, with respect to the encoder of type.Electronic gear proportion is set to 16:1, servo controller receives umber of pulse 10000
When servomotor turn around.
Control of the servo controller to velocity of rotation：The velocity of rotation of servo drive control servomotor is according to PLC cores
Heart processing unit is sent to the pulse frequency of servo controller to adjust.Identical umber of pulse, servo are sent under different frequency
Motor can rotate identical angle, but speed is different；The frequency that PLC core processing units send pulse is faster, servomotor
Velocity of rotation is faster.Fig. 8 is program schematic diagram of the servo controller according to embodiment of the present invention to the control of velocity of rotation.
As shown in figure 8, D400 is pulse frequency, D300 is pulse number, and Y1 is pulse delivery outlet, passes through the side of Y000 controlled motors
To, rotating speed=D300*D400*60/10000 circles/point, D300 and D400 are controlled with regard to the stabilization of rotating speed can be maintained.According to Fig. 9
The circuit connection signal of the servo controller of the full-automatic circuit breaker chassis mechanical endurance test system of embodiment of the present invention
Figure.As shown in figure 9, wiring and port definition for each port of servo controller.
Preferably, the torque sensor 105 output end respectively with the servomotor and the input of AD conversion unit
End is connected, and is changed for gathering the moment of torsion that the servomotor is output on circuit breaker chassis test product, and by the moment of torsion
For moment of torsion electric signal output to AD conversion unit.
Preferably, the AD conversion unit 106 is connected with the input of the PLC core processing units, for by institute
State moment of torsion electric signal and be converted into PLC data signals, and export to PLC core processing units.In embodiments of the present invention, turn round
Square sensor is the model JN-DN-30NM of Bangbu Sensitive Object product, and output signal is 4-20mA, and correspondence torsion is
0-200NM, resolution ratio is 0.1NM.Figure 10 is to be tried according to the full-automatic circuit breaker chassis mechanical life of embodiment of the present invention
The connection diagram of the torque sensor of check system.
Preferably, the On-off signal unit 108 is connected with the input of the PLC core processing units, is used for
The position state signal of the circuit breaker chassis test product is converted into location status data signal to export to PLC core processing lists
Member.Wherein described position state signal includes：The position of circuit breaker chassis test product and on off state.Because breaker itself has
Mechanical interlocking relation, breaker can not shake into or shake out under "on" position, therefore we must gather the switch of breaker
Status signal., it is necessary to judge whether the chassis vehicle of breaker is true in place, for investigating after the setting number of turns or angle is rotated
The reliability and fitness of chassis vehicle auxiliary switch part.VS1 breakers routinely, directly can navigate from 58 pins of breaker
Sky, which is plugged, connects fuse number.Table 2 is breaker aviation contact pin and the corresponding relation of PLC core processing unit input points.Such as the institute of table 2
Show, including：In-place closing, testing position in place with the operating position corresponding breaker aviation contact pin of three kinds of signals and PLC in place
The corresponding relation of core processing unit input point.Wherein, connection wiring is inserted in aviation, can insert connecting line with special 58 pin aviation,
3 meters of ratios of length are convenient.
The corresponding relation of the breaker aviation contact pin of table 2 and PLC core processing unit input points
Preferably, the switch amount output unit 107 is used to be obtained according to the result of PLC core processing units and switched
Measure output signal switching value output signal.
Preferably, wherein the system also includes：Judging unit, for judging whether the circuit breaker chassis test product arrives
Up to operating position or testing position.Preferably, wherein the judging unit specifically for：Order is shaken into or shakes out in execution
Afterwards, if moment of torsion, rotating cycle or in actuation time at least one be more than setting value, send failure police；Conversely, breaker bottom
Jiggering test product reaches operating position or testing position, performs Next Command.
In design, the chassis vehicle that a product type for testing ABB using the system is VD4/P-12 is set：It is defeated
Go out rotating speed：30 circles/point, force moment protection value：20NM, testing position delay time：80 seconds, operating position delay time 80 seconds,
Motor action guard time：45 seconds, number of times was set：1000 times.
Test result is：Actual rotation Lap Time：20 circles, actual act time：40 seconds, actual torque such as following table：
It is concluded that：Operate steadily reliable, reach the target of desired design.
Figure 11 is the stream of the full-automatic circuit breaker chassis mechanical endurance test method 1100 according to embodiment of the present invention
Cheng Tu.As shown in figure 11, the full-automatic circuit breaker chassis mechanical endurance test method 1100 is used for chassis of circuit breaker vehicle device
Tool life test automation mechanized operation, instead of manpower manual operation, improves the operating efficiency of experiment station and manufacturing firm, save
Labour cost.Furthermore it is possible to the high-voltage central-positioned switch cubicle applied to various models, with stronger practical performance.It is described
Full-automatic circuit breaker chassis mechanical endurance test method 1100 sets test parameters since step 1101 place in step 1101
And control mode, wherein the test parameters includes：Test number (TN), actuation time, cycle delay time, shake into speed, rotation
Angle, action protection time, rotating cycle protection value and force moment protection value.Preferably, wherein the setting model of the test number (TN)
Enclose for 1-99999, the setting scope of service speed for 1-99.9 circles/point, the setting scope of testing position delay time is 0-
9999.9 seconds, the setting scope of action protection time was 0-999.9 seconds, and the setting scope of force moment protection value is 1-30NM, rotation
The setting scope of number of turns protection value is enclosed for 1-999.9.Preferably, wherein the control mode includes：Automatic control mode and hand
Dynamic control mode.
Preferably, in step 1102, PLC core processing units are obtained according to the input of location status data signal and touch-screen
Take the first control command signal.
Preferably, in step 1103, servo control unit is according to the first control command signal and output switch parameter list
The switching value output signal of member output, obtains the second control command signal.
Preferably, in step 1104, the second control command signal is converted into the angle on motor reel by servomotor
Displacement or angular speed output.
Preferably, in step 1105, the moment of torsion telecommunications that the servomotor is output on circuit breaker chassis test product is gathered
Number, and the moment of torsion electric signal is converted into PLC data signals.
Preferably, in step 1106, the position state signal of the circuit breaker chassis test product is gathered, by the position shape
State signal is converted into location status data signal and sent to PLC core processing units.
Preferably, in step 1107, judge whether test number (TN) reaches the test number (TN) of setting, if so, then terminate, it is no
Then, return to step 1102.
Preferably, wherein methods described also includes：
Judge whether the circuit breaker chassis test product reaches operating position or testing position.
Preferably, wherein methods described includes：
After execution is shaken or shakes out order, if moment of torsion, rotating cycle or in actuation time at least one be more than set
Definite value, then send failure police；Conversely, circuit breaker chassis test product reaches operating position or testing position, Next Command is performed.
A kind of full-automatic circuit breaker chassis mechanical endurance test system 100 of embodiments of the invention is another with the present invention's
A kind of full-automatic circuit breaker chassis mechanical endurance test method 1100 of one embodiment is corresponding, will not be repeated here.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
What subsidiary Patent right requirement was limited, except the present invention other embodiments disclosed above equally fall the present invention's
In the range of.
Normally, all terms used in the claims are all solved according to them in the usual implication of technical field
Release, unless clearly defined in addition wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example in described device, component etc. is construed to, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate order, unless explicitly stated otherwise.
Claims (13)
1. a kind of full-automatic circuit breaker chassis mechanical endurance test system, it is characterised in that the system includes：Touch-screen,
PLC core processing units, servo controller, servomotor, torque sensor, AD conversion unit, On-off signal unit and open
Output unit is measured in pass,
The touch-screen, is connected with the PLC core processing units, for as setting the defeated of test parameters and control mode
Enter end；
The PLC core processing units, respectively with the output end of the On-off signal unit and AD conversion unit, and switch
The input of amount output unit is connected, and sets and handles for the input to location status data signal and touch-screen, defeated
Go out the first control command signal；PLC data signals are handled；
The servo controller, respectively with the output end of the switch amount output unit and PLC core processing units and described watching
The input for taking motor is connected, for the switching value output signal exported according to the switch amount output unit and described first
Control command signal is controlled to the servomotor, sends the second control command signal；
The servomotor, it is defeated for the angular displacement being converted into the second control command signal on motor reel or angular speed
Go out, control the position of circuit breaker chassis test product；
The torque sensor, is connected with the output end of the servomotor and the input of AD conversion unit, is used for respectively
The moment of torsion that the servomotor is output on circuit breaker chassis test product is gathered, and it is defeated that the moment of torsion is converted into moment of torsion electric signal
Go out to AD conversion unit；
The AD conversion unit, is connected with the input of the PLC core processing units, for the moment of torsion electric signal to be turned
Change PLC data signals into, and export to PLC core processing units；
The On-off signal unit, is connected with the input of the PLC core processing units, for by the breaker bottom
The position state signal of jiggering test product is converted into location status data signal and exported to PLC core processing units；
The switch amount output unit, is opened for obtaining switching value output signal according to the result of PLC core processing units
Measure output signal in pass.
2. system according to claim 1, it is characterised in that the system also includes：Dismountable circuit breaker chassis
Test product connecting bushing device and carrier unit,
Dismountable breaker jiggering test product connecting bushing device include：Yielding coupling, bearing group, output sleeve,
Extension rod and connecting bushing, each part are mechanically connected successively in order, and yielding coupling is connected with torque sensor, connecting bushing
It is connected with circuit breaker chassis test product, the circuit breaker chassis that the connecting bushing device adapts to various different models connects
Mouthful；
The carrier unit is three layers of four-column type supporting structure, and top layer and bottom are flat board, and bottom platform is furnished with universal wheel,
Intermediate layer is automatic lifting operating desk, and operating desk is lifted by platform lifting mechanism, and the platform lifting mechanism is screw mandrel
With reference to reducing gear equipment.
3. system according to claim 2, it is characterised in that the touch-screen, PLC core processing units, SERVO CONTROL
Device, servomotor, torque sensor unit, On-off signal unit, switch amount output unit, time management control unit and deposit
Storage unit is located in the intermediate layer operating desk of carrier unit.
4. system according to claim 1, it is characterised in that the test parameters includes：Test number (TN), actuation time,
Cycle delay time, shake into speed, the anglec of rotation, action protection time, rotating cycle protection value and force moment protection value.
5. system according to claim 4, it is characterised in that the setting scope of the test number (TN) is 1-99999, operation
The setting scope of speed be 1-99.9 circles/point, the setting scope of testing position delay time is 0-9999.9 seconds, during action protection
Between setting scope be 0-999.9 second, the setting scope of force moment protection value is 1-30NM, the setting scope of rotating cycle protection value
Enclosed for 1-999.9.
6. system according to claim 1, it is characterised in that the system also includes：Judging unit, it is described for judging
Whether circuit breaker chassis test product reaches operating position or testing position.
7. system according to claim 6, it is characterised in that the judging unit specifically for：Execution shake into or
Shake out after order, if moment of torsion, rotating cycle or in actuation time at least one be more than setting value, send failure police；Conversely,
Circuit breaker chassis test product reaches operating position or testing position, performs Next Command.
8. system according to claim 1, it is characterised in that the control mode includes：Automatic control mode and manually
Control mode.
9. a kind of full-automatic circuit breaker chassis mechanical endurance test method, it is characterised in that methods described includes：
Step 1, test parameters and control mode are set, wherein the test parameters includes：Test number (TN), actuation time, cycle
Delay time, shake into speed, the anglec of rotation, action protection time, rotating cycle protection value and force moment protection value；
Step 2, PLC core processing units obtain the first control command letter according to the input of location status data signal and touch-screen
Number；
Step 3, the switching value that servo control unit is exported according to the first control command signal and switch amount output unit is defeated
Go out signal, obtain the second control command signal；
Step 4, the angular displacement or angular speed that the second control command signal is converted on motor reel by servomotor are exported；
Step 5, the moment of torsion electric signal that the servomotor is output on circuit breaker chassis test product is gathered, and the moment of torsion is electric
Signal is converted into PLC data signals；
Step 6, the position state signal of the circuit breaker chassis test product is gathered, the position state signal is converted into position
Status number signal is sent to PLC core processing units；
Step 7, judge whether test number (TN) reaches the test number (TN) of setting, if so, then terminate, otherwise, return to step 2.
10. method according to claim 9, it is characterised in that the setting scope of the test number (TN) is 1-99999, behaviour
Make the setting scope of speed for 1-99.9 circles/point, the setting scope of testing position delay time is 0-9999.9 seconds, action protection
The setting scope of time is 0-999.9 seconds, and the setting scope of force moment protection value is 1-30NM, the setting model of rotating cycle protection value
Enclose and enclosed for 1-999.9.
11. method according to claim 9, it is characterised in that methods described also includes：
Judge whether the circuit breaker chassis test product reaches operating position or testing position.
12. method according to claim 11, it is characterised in that methods described includes：
After execution is shaken or shakes out order, if moment of torsion, rotating cycle or in actuation time at least one be more than setting value,
Then send failure police；Conversely, circuit breaker chassis test product reaches operating position or testing position, Next Command is performed.
13. method according to claim 9, it is characterised in that the control mode includes：Automatic control mode and manually
Control mode.
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| CN201710401415.3A CN107037357B (en) | 2017-05-31 | 2017-05-31 | Full-automatic breaker chassis vehicle mechanical life test system and method |
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| CN107037357B (en) | 2024-03-15 |
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