CN105974247A - System and method for testing conductive slip ring - Google Patents
System and method for testing conductive slip ring Download PDFInfo
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- CN105974247A CN105974247A CN201610581294.0A CN201610581294A CN105974247A CN 105974247 A CN105974247 A CN 105974247A CN 201610581294 A CN201610581294 A CN 201610581294A CN 105974247 A CN105974247 A CN 105974247A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a system and a method for testing a conductive slip ring, wherein a stator of a first conductive slip ring and a stator of a second conductive slip ring are both connected to a platform, and rotors of the two conductive slip rings are oppositely arranged and connected through a connector; the rotor of one conductive slip ring is driven to rotate by a driving motor, and the rotor of the other conductive slip ring rotates synchronously; the driving motor is positioned on the platform; the input end of the converter is connected with a power grid, the output end of the converter is connected with a stator of the first conductive slip ring, rotors of the two conductive slip rings are connected through an electric connecting line, and a stator of the second conductive slip ring is connected with the power grid; the converter controller outputs a pulse width modulation signal to control the converter to respectively output different test currents to load the first conductive slip ring and the second conductive slip ring; the test equipment tests temperature rise data and communication quality data of the first conductive slip ring and the second conductive slip ring under different test current loads. The whole system consumes little electric energy and can be used for the performance test of a high-power conductive slip ring.
Description
Technical field
The present invention relates to equipment technical field of measurement and test, particularly relate to a kind of conducting slip ring test system and
Method.
Background technology
Conducting slip ring on Wind turbines is pitch control mechanism and the crucial portion of electromotor in Wind turbines
Part, plays control signal and the function of electric energy transmission under blower fan rotation status, is to realize two relatively
The control signal of rotating mechanism and the power transmitting device of electric current transmission, can be that blower fan provides control signal,
The electric energy of blower fan can also be exported, be the core component of whole blower fan.
Along with the development of wind generating technology, the power of Wind turbines is the most increasing, wind power pitch-controlled system
Power increases the most therewith.The electric energy used in impeller is required for being transmitted by conducting slip ring, therefore, leads
The capacity of electric slip ring is the most increasing.In order to ensure the safety of running of wind generating set, design at conducting slip ring
Or need during type selecting that conducting slip ring is carried out band and carry checking.
In prior art, carry out loading the mode being all to use energy expenditure generally for small-sized conducting slip ring,
But, high power conductive slip ring is continued to use the load mode of energy expenditure can consume huge energy,
Volume and the caloric value of load are huge.
Therefore, those skilled in the art need to provide the test system and method for a kind of conducting slip ring, it is possible to right
High power conductive slip ring carries out performance test, and will not consume huge energy.
Summary of the invention
In order to solve the above technical problem that prior art exists, the present invention provides a kind of conducting slip ring
Test system, it is possible to realize small-power and the performance test of high power conductive slip ring, and will not disappear
Consume huge energy, save the energy.
The embodiment of the present invention provides the test system of a kind of conducting slip ring, for two conductions of test simultaneously
Slip ring；This system includes: current transformer, inverter controller, platform and test equipment；
Said two conducting slip ring is respectively as follows: the first conducting slip ring and the second conducting slip ring；
The stator of described first conducting slip ring and the stator of the second conducting slip ring are both connected to described platform
On, the rotor of described first conducting slip ring and the rotor of the second conducting slip ring is oppositely arranged and by connect
Device links together；
The rotor of one of them conducting slip ring rotates by driving motor to drive, another conducting slip ring
Synchronous rotary followed by rotor；Described driving motor is positioned on described platform；
The input of described current transformer connects electrical network, and it is sliding that the outfan of described current transformer connects the first conduction
The stator of ring, passes through between rotor and the rotor of described second conducting slip ring of described first conducting slip ring
Electrical connecting wires connects, and the stator of described second conducting slip ring connects described electrical network, so that electric energy feedback is given
Described electrical network；
Described inverter controller, controls described current transformer for output pulse width modulated signal and exports respectively
Different test electric currents loads to described first conducting slip ring and the second conducting slip ring；
Described test equipment, be used for testing described first conducting slip ring and the second conducting slip ring described not
With test current load time temperature rise data and communication quality data.
Preferably, described test equipment includes: processor, be arranged within the first conducting slip ring
One group of temperature sensor and be arranged on second group of temperature sensor within the second conducting slip ring；
Described processor, leads for gathering the temperature acquisition described first of described first group of temperature sensor
The temperature rise data of electric slip ring；And the temperature gathering described second group of temperature sensor obtains described second
The temperature rise data of conducting slip ring.
Preferably, described test equipment also includes: communication main station communicates with at least following two slave station:
First communication slave station and the second communication slave station
Described communication main station is led to described first through described first conducting slip ring by the first communication line
Believer in a certain religion station is attached；
Described communication main station is led to described second through described second conducting slip ring by the second communication line
Believer in a certain religion station is attached；
Described communication main station, for sending control instruction to described communication slave station；
Described communication slave station, for responding described control instruction；
Described processor, for testing the signal of communication on described first communication line and the second order wire
Signal of communication on road, and by described signal of communication being analyzed the communication obtaining the first conducting slip ring
Qualitative data and the communication quality data of the second conducting slip ring.
Preferably, described current transformer includes: commutator and inverter；
The input of described commutator connects described electrical network；
The outfan of described commutator connects the input of described inverter；
The outfan of described inverter connects the stator of described first conducting slip ring.
Preferably, described current transformer also includes: Boost circuit, filter capacitor and wave filter；
The input of described Boost circuit connects the outfan of described commutator；
Described filter capacitor is connected in parallel on the outfan of described Boost circuit；
The outfan of described Boost circuit connects the input of described inverter；
The outfan of described inverter connects described wave filter；
The outfan of described wave filter connects the stator of described first conducting slip ring.
Preferably, also include: isolating transformer；
Described isolating transformer is connected between described electrical network and current transformer；
The armature winding of described isolating transformer and secondary windings use angle-star connected mode.
Preferably, also include: main breaker, current transformer rectification side chopper and current transformer outlet side are disconnected
Road device；
One end of described main breaker connects described electrical network, and the other end of described main breaker connects described
The input of isolating transformer；
One end of described current transformer rectification side chopper connects the outfan of described transformator, described unsteady flow
The other end of device rectification side chopper connects the input of described current transformer；
One end of described current transformer outlet side chopper connects the outfan of described inverter, described inversion
The other end of device outlet side chopper connects the stator of described first conducting slip ring.
The embodiment of the present invention also provides for the method for testing of a kind of conducting slip ring, and the system described in utilization is to leading
Electric slip ring is tested, including:
The different test electric currents that current transformer output conducting slip ring needs are controlled by inverter controller；
Described driving motor is utilized to drive the rotor of a conducting slip ring to rotate；
Gather described first conducting slip ring and the second conducting slip ring when described different test current load
Temperature rise data and communication quality data；
Described temperature rise data and communication quality data are analyzed, obtain the test result of conducting slip ring.
Preferably, the temperature rise when described different test current load of described first conducting slip ring is gathered
Data, particularly as follows:
Capture setting is led in the temperature acquisition first of first group of temperature sensor of described first conducting slip ring
The temperature rise data of electric slip ring；
Gather described second conducting slip ring temperature rise data when described different test current load, tool
Body is:
Capture setting is led in the temperature acquisition second of second group of temperature sensor of described second conducting slip ring
The temperature rise data of electric slip ring.
Preferably, described first conducting slip ring of described collection is when described different test current load
Communication quality data, particularly as follows:
The signal of communication on the first communication line between collection communication main website and the first communication slave station；Institute
State the first communication line by described first conducting slip ring；
Gather described second conducting slip ring communication quality number when described different test current load
According to, particularly as follows:
Signal of communication in collection communication main website and the second communication direct second communication line of slave station；Institute
State the second communication line by described second conducting slip ring；
Described communication main station is for sending control instruction to described communication slave station, and described communication slave station is used for
Described control instruction is responded.
Compared with prior art, the present invention at least has the advantage that
There is provided electric current by current transformer for conducting slip ring, conducting slip ring again by current feedback to electrical network, whole
The electric energy of individual system consumption is little, such that it is able to carry out performance test for powerful conducting slip ring.Separately
Outward, inverter controller can control the test electric current that current transformer output is different, thus it is sliding to emulate conduction
Ring real work scene, makes conducting slip ring realize the performance test when different current load.And lead to
Cross adapter to be linked together by the rotor of two conducting slip rings, can realize two conductions sliding simultaneously
The performance test of ring.Result according to performance test can instruct design and the type selecting of conducting slip ring.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below by right
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only some embodiments described in the application, skill common for this area
From the point of view of art personnel, on the premise of not paying creative work, it is also possible to obtain it according to these accompanying drawings
Its accompanying drawing.
Test system embodiment one schematic diagram of the conducting slip ring that Fig. 1 provides for the present invention；
Test system embodiment two schematic diagram of the conducting slip ring that Fig. 2 a provides for the present invention；
The internal structure schematic diagram of the current transformer that Fig. 2 b provides for the present invention；
The schematic diagram of the testing conductive slip ring communication quality that Fig. 3 provides for the present invention；
The flow chart of the conducting slip ring method of testing that Fig. 4 provides for the present invention；
Fig. 5 loads test schematic diagram for the conducting slip ring that the present invention provides.
Drawing reference numeral illustrates:
100-current transformer；200-inverter controller；300-platform；400-tests equipment；First conduction
Slip ring-501；Second conducting slip ring-502；301-adapter；302-drives motor；303-electrical connecting wires；
401-processor；402-communication main station；403-first communicates slave station；404-second communicates slave station；405-
Third communication slave station；101-commutator；102-inverter；103-wave filter；104-Boost rises piezoelectricity
Road；105-discharge resistance；106-pre-charge circuit；K1-main breaker；K2-current transformer rectification side open circuit
Device；K3-current transformer outlet side chopper.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of protection of the invention.
System embodiment one:
Seeing Fig. 1, this figure is test system embodiment one schematic diagram of the conducting slip ring that the present invention provides.
The test system of the conducting slip ring that the present embodiment provides, for two conducting slip rings of test simultaneously；
This system includes: current transformer 100, inverter controller 200, platform 300 and test equipment 400；
Two conducting slip rings are respectively as follows: the first conducting slip ring 501 and the second conducting slip ring 502；
The stator of the first conducting slip ring 501 and the stator of the second conducting slip ring 502 are both connected on platform,
The rotor of the first conducting slip ring 501 and the rotor of the second conducting slip ring 502 is oppositely arranged and by connect
Device links together；
The rotor of one of them conducting slip ring rotates by driving motor 302 to drive, and another conducts electricity sliding
Synchronous rotary followed by the rotor of ring；Motor 302 is driven to be positioned on platform 300；
It should be noted that drive motor 302 that conducting slip ring can be driven to rotate, rotating speed can meet
The rated speed of 0-conducting slip ring.Can be by regulation rotating speed simulation conducting slip ring in every speed condition
Under performance when carrying out dynamic load.
The input of current transformer 100 connects electrical network, and it is sliding that the outfan of current transformer 100 connects the first conduction
The stator of ring 501, between rotor and the rotor of the second conducting slip ring 502 of the first conducting slip ring 501
Being connected by electrical connecting wires, the stator of the second conducting slip ring 502 connects electrical network, so that electric energy feedback is given
Electrical network；Whole system forms the circulation of a closed loop.
It is understood that this test system can carry out performance test to two conducting slip rings simultaneously,
For the agility tested, the model of two conducting slip rings simultaneously tested is preferably identical.
From figure 1 it appears that conducting slip ring is only as the part in supply access, not
Consume a lot of energy, whole supply access again by back electrical energy to electrical network, electrical network only all parts carries
For the electric energy consumed, resistive load does not consumes a large amount of electric energy, therefore this test system consumption
Electric energy little, it is easy to provide bigger test electric current to conducting slip ring.
Inverter controller 200, controls current transformer 100 for output pulse width modulated signal and exports respectively
Different test electric currents loads to the first conducting slip ring 501 and the second conducting slip ring 502；
It is understood that the pulse-width signal that inverter controller 200 can be exported by regulation
PWM accurately control current transformer output electric current, this electric current can simulate different test electric currents and
Different higher harmonic component, thus emulate electric power disturbed test.
Test equipment 400, for testing the first conducting slip ring 501 and the second conducting slip ring 502 not
With test current load time temperature rise data and communication quality data.
The system that the present embodiment provides, provides electric current by current transformer for conducting slip ring, and conducting slip ring is again
By current feedback to electrical network, the electric energy that whole system consumes is little.It addition, inverter controller is permissible
Control the test electric current that current transformer output is different, thus emulate conducting slip ring real work scene, make to lead
Electric slip ring realizes the performance test when different current load.And by adapter by sliding for two conductions
The rotor of ring links together, and can realize the performance test to two conducting slip rings simultaneously.According to property
The result that can test can instruct design and the type selecting of conducting slip ring.
System embodiment two:
Seeing Fig. 2 a and Fig. 3, this figure is the test system embodiment two of the conducting slip ring that the present invention provides
Schematic diagram.
The test system that the present embodiment provides, wherein, test equipment includes: processor 401, setting
In first group of temperature sensor (not shown) within the first conducting slip ring be arranged on second and lead
Second group of temperature sensor (not shown) within electric slip ring；
It can be seen that the rotor of the first conducting slip ring 501 and the second conducting slip ring 502 from Fig. 2 a
Being linked together by adapter 301 between rotor, platform 300 is provided with driving motor 302.
Processor 401, obtains the first conducting slip ring for gathering the temperature of first group of temperature sensor
Temperature rise data；The temperature being additionally operable to gather second group of temperature sensor obtains the temperature rise of the second conducting slip ring
Data.
It is understood that conducting slip ring includes multiple passage, the temperature tolerance of different passage can be measured
Can, specifically as required temperature sensor can be set at the key position measured, a conducting slip ring
Can arrange multiple temperature sensor, in the present embodiment, the number for temperature sensor does not do concrete limit
Fixed.
It should be noted that the test data of the first conducting slip ring and the second conducting slip ring are individually
Processing, the such as temperature of first group of temperature sensor measurement can characterize the heatproof of the first conducting slip ring
Performance, the temperature of second group of temperature sensor measurement can characterize the heat resistance of the second conducting slip ring.
When measuring temperature, specifically can measure conducting slip ring when different rotating speeds, different loading current
Temperature.
It addition, the test to conducting slip ring not only needs to test its heat resistance, in addition it is also necessary to test it and lead to
Letter quality, therefore, the present embodiment provide test equipment also include: communication main station 402 and at least with
Lower two communication slave stations: the first communication slave station and the second communication slave station；
It is understood that each conducting slip ring needs a corresponding communication main station to communicate with at least one
The communication quality of slave station aptitude test conducting slip ring.
Communication main station 402 by the first communication line through the first conducting slip ring 501 communicate with first from
Station is attached；
Communication main station 402 by the second communication line through the second conducting slip ring 502 communicate with second from
Station is attached；
Communication main station 402, for sending control instruction to each communication slave station；
Communication slave station, for responding control instruction；
Processor 401, the signal of communication on test the first communication line and the second communication line
Signal of communication, and by signal of communication is analyzed obtain the first conducting slip ring communication quality data
Communication quality data with the second conducting slip ring.
It is understood that the first conducting slip ring and the second conducting slip ring can share a communication main station,
Corresponding independent communication main station can also be distinguished.
Wherein communication main station may refer to Fig. 3 with the schematic diagram of the slave station that communicates, and this figure is that the present invention provides
The communication test circuit diagram of conducting slip ring.
Owing to the test of each conducting slip ring is identical, therefore, Fig. 3 with the first conducting slip ring 501 is only
Example is introduced, and the test of the second conducting slip ring is identical, does not repeats them here.
In the present embodiment the communication line in a conducting slip ring be a communication main station and three communication from
The communication line stood.It is understood that conducting slip ring has a lot of passage, if to measure each logical
The communication quality in road, the most each passage is intended to through a communication line, accordingly, it would be desirable to corresponding one
Communication slave station.I.e. one conducting slip ring needs the communication port number of measurement and corresponding communication slave station number
Mesh needs identical.
Fig. 3 includes a communication main station 402 and three slave stations that communicate, the respectively first communication slave station
403, the second communication slave station 404 and third communication slave station 405.
From figure 3, it can be seen that communication main station 403 communicates with first slave station 403, second communicate from
The communication line stood between 404 and third communication slave station 405 through the first conducting slip ring 501, first
Conducting slip ring 501 serves as the effect of wire.Letter is produced when the first conducting slip ring 501 is at loading current
Number interference, the signal of communication that communication main station will necessarily be affected with communicate between slave station, therefore, by examine
Survey signal of communication it may determine that the communication quality of first each passage of conducting slip ring 501.
Communication main station has bus control right, periodically read communication slave station input information and periodically to
Communication slave station sends output information, and communication main station is only made relevant response or response by communication slave station, will collect
Data, state etc. sends communication main station to and performs the instruction that communication main station is sent.
It should be noted that processor 401 detect communication quality specifically can be by signal of communication
Waveform captures, and the communication occurred in Protocol Analysis, data packet analysis etc. are to communication line
Fault is analyzed.
It should be noted that as shown in Figure 2 a, current transformer 100 includes: commutator 101 and inverter
102；
The input of commutator 101 connects electrical network；This electrical network is three-phase alternating current electrical network, such as 380V electricity
Net.Three-phase is respectively L1, L2 and L3.
The outfan of commutator 101 connects the input of inverter 102；
The outfan of inverter 102 connects the stator of the first conducting slip ring 501.
Inverter controller 200 can control inverter 102 and export different electric currents, including humorous
Ripple electric current, output is to conducting slip ring.It is understood that inverter controller 200 exports different
PWM controls the break-make of each switching tube in inverter 102, and then it is defeated to control inverter 102
The electric current gone out.
The current transformer that the present embodiment provides uses the mapping mode of exchange AC-direct current DC-exchange AC, by electricity
The alternating current power supply that net provides is rectified into direct current by three-phase bridge rectifier, is then passed through filtering again by three contraries
The inverter inversion becoming bridge feeds back to electrical network into the alternating current matched with line voltage, frequency.
It addition, this current transformer also includes: filter capacitor C and wave filter 103；
Filter capacitor C is for filtering the interference signal in commutator 101 output signal.
Wave filter 103 is for filtering the interference signal in inverter 102 output signal.
Wherein, as in figure 2 it is shown, the wave filter that can be made up of electric capacity and inductance of wave filter 103.
With continued reference to Fig. 2 a, it addition, native system can also include: isolating transformer T1；
Isolating transformer T1 is connected between electrical network and current transformer 100；
The armature winding of isolating transformer T1 and secondary windings use angle-star connected mode.
It is understood that current transformer can be isolated by isolating transformer T1 with electrical network, and adopt
The impact of higher hamonic wave can be suppressed by angle-star connected mode.The capacity of T1 can be according to the appearance of current transformer
Amount selects, it should meet the requirement of current transformer peak power output.
With continued reference to Fig. 2 a, the test system that the present embodiment provides, also include: main breaker K1, change
Stream device rectification side chopper K2 and current transformer outlet side chopper K3；K1 is the electricity of whole test loop
Source switch, the capacity of K1 to meet the energy expenditure of whole test loop, and leave certain capacity, is surveying
Energy disengagement failure electric current, protection equipment and personal safety time breaking down in examination loop.K2, K3 capacity is preferable
Ground should meet the maximum carrying capacity of tested slip ring, can protect by cut-off loop in the case of stream occurs in test loop
Protect slip ring and the safety of test equipment.
One end of main breaker K1 connects electrical network, and the other end of main breaker K1 connects isolating transformer
The input of T1；
The outfan of one end connection transformer T1 of current transformer rectification side chopper K2, current transformer rectification
The other end of side chopper K2 connects the input of current transformer 100；
One end of current transformer outlet side chopper K3 connects the outfan of inverter, and current transformer outlet side breaks
The other end of road device K3 connects the stator of the first conducting slip ring 501.
During actual test, concrete operating process is as follows:
1, Guan Bi K1.
2, Guan Bi K3, current transformer control circuit is energized.
3, K2 is closed after current transformer self-inspection completes.
4, output current of converter is set according to slip ring load test demand and harmonic components that current transformer sends
Etc. parameter, start current transformer.
5, driving motor speed is set according to slip ring load test demand, starts and drive motor.
6, start test equipment and gather slip ring internal temperature, communication line by the communication quality etc. after slip ring
Test data.
7, experimental data processing analysis, by the slip ring temperature data gathered under the conditions of different loads and dynamic
Power passage injects the signal of communication Treatment Analysis by data such as the communication qualities of slip ring after different harmonic condition,
Slip ring performance is evaluated.
The test system that the present embodiment provides, uses current transformer and conducting slip ring composition loop, is different from
The catabiotic test mode of traditional resistive load.Native system can be conducting slip ring under low consumption
Bigger test electric current is provided.Meet the test request of high power conductive slip ring.And current transformer controls
Device can accurately regulate loading current, and whole test loop is simple and reliable.
It addition, Fig. 2 a 303 is rotor and second conducting slip ring 502 of the first conducting slip ring 501
Electrical connecting wires between rotor.In 303, single line is power line, for transmitting the electric current in loop；Another
Root line is holding wire, tests for communication quality；The first conduction is connected sliding by these two electric wirings
The rotor of ring and the rotor of the second conducting slip ring.From Fig. 2 a it can be seen that the power supply of electrical network is through transformation
Device T1, current transformer the 100, first conducting slip ring the 501, second conducting slip ring 502, feed back to again electrical network,
Form the circulation of a closed loop.The test loop that i.e. the present embodiment provides connects electrical network, and test loop produces
Raw test electric current returns to again the input of current transformer, and therefore, the power supply of this test loop has only to
Thering is provided the electric energy that in test loop, each device is consumed, the energy of consumption is less, easily produces
Bigger test electric current, is suitable for carrying out high power conductive slip ring loading test.This test loop solves
The technical problem that in prior art, energy expenditure is bigger.
It addition, as shown in Figure 2 b, current transformer except include above commutator 101, inverter 102,
Beyond wave filter 103 and filter capacitor C, it is also possible to including: Boost circuit 104；
The input of Boost circuit 104 connects the outfan of commutator 101；
Filter capacitor C is connected in parallel on the outfan of Boost circuit 104；
The outfan of Boost circuit 104 connects the input of inverter 102；
It should be noted that the current transformer that the present embodiment provides has soft start, overvoltage/under-voltage protection, mistake
Stream protection, mistake/underfrequency protection, overload protection, operational factor show (voltage, electric current, output)
Etc. function.
It addition, current transformer 100 can also include discharge resistance 105 and the precharge electricity used in start-up course
Road 106.
Current transformer 100 can also include liquid crystal control panels (not shown), passes through liquid crystal control panels
The parameters such as the regulation output current value of current transformer, active power, reactive power.
Test system based on a kind of conducting slip ring that above example provides, the embodiment of the present invention also carries
For the method for testing of a kind of conducting slip ring, it is described in detail below in conjunction with the accompanying drawings.
Seeing Fig. 4, this figure is the method for testing flow chart of the conducting slip ring that the present invention provides.
The method of testing of the conducting slip ring that the present embodiment provides, utilizes the system of above example to conduction
Slip ring is tested, including:
S401: control the different test electricity that current transformer output conducting slip ring needs by inverter controller
Stream；
It is understood that the PWM that the electric current of current transformer output can be exported by inverter controller
Control.So can accurately simulate electric current during conducting slip ring real work scene.
S402: utilizing and drive motor to drive the rotor of a conducting slip ring to rotate, the rotating speed of rotor is 0-
The rated speed of conducting slip ring；
Owing to the rotor of two conducting slip rings links together, therefore, two conducting slip rings can realize
Synchronous rotary.And rotating speed can regulate, and then rotation during simulation conducting slip ring real work scene
Operating mode.
S403: gather the first conducting slip ring and the second conducting slip ring when different test current load
Temperature rise data and communication quality data；
Gather first conducting slip ring temperature rise data when different test current loads, particularly as follows:
Capture setting is sliding in temperature acquisition first conduction of first group of temperature sensor of the first conducting slip ring
The temperature rise data of ring；
Gather second conducting slip ring temperature rise data when different test current loads, particularly as follows:
Capture setting is sliding in temperature acquisition second conduction of second group of temperature sensor of the second conducting slip ring
The temperature rise data of ring.
Gather first conducting slip ring communication quality data when different test current loads, particularly as follows:
The signal of communication on the first communication line between collection communication main website and the first communication slave station；The
One communication line passes through the first conducting slip ring；
Gather second conducting slip ring communication quality data when different test current loads, particularly as follows:
The signal of communication on the second communication line between collection communication main website and the second communication slave station；The
Two communication lines pass through the second conducting slip ring；
Communication main station is for sending control instruction to communication slave station, and communication slave station is for doing control instruction
Go out response.
S404: be analyzed temperature rise data and communication quality data, obtains the test knot of conducting slip ring
Really.
The method that the present embodiment provides, provides electric current by current transformer for conducting slip ring, and conducting slip ring is again
By current feedback to electrical network, the electric energy that whole system consumes is little.It addition, inverter controller is permissible
Control the test electric current that current transformer output is different, thus emulate conducting slip ring real work scene, make to lead
Electric slip ring realizes the performance test when different current load.And by adapter by sliding for two conductions
The rotor of ring links together, and can realize the performance test to two conducting slip rings simultaneously.According to property
The result that can test can instruct design and the type selecting of conducting slip ring.
Based on the above-mentioned method of testing loading slip ring, slip ring loads test and can perform conducting slip ring
Carry out the communication quality test under the conditions of temperature rise test, different loads, different electrical power under different load conditions
Communication quality test under harmonic condition, slip ring overload measurement etc..By temperature collect module and communication test
The temperature rise under a variety of experimental conditions of monitoring of equipment slip ring and communication quality, be evaluated slip ring performance, for
Slip ring type selecting, optimization provide data support.
It addition, see Fig. 5, this figure is that the conducting slip ring that the present invention provides loads test schematic diagram.
From figure 5 it can be seen that the test system utilizing the present invention to provide can realize conducting slip ring not
Testing with the temperature rise under loading condition, the communication quality test under the conditions of different loads, the various harmonic wave of power supply contains
Communication quality test under Liang and the overload measurement of conducting slip ring.By the above test number to conducting slip ring
According to analysis, the design of conducting slip ring can be optimized, there is good directive significance.
The above, be only presently preferred embodiments of the present invention, not makees the present invention any pro forma
Limit.Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention.Any
Those of ordinary skill in the art, without departing under technical solution of the present invention ambit, may utilize above-mentioned
Technical solution of the present invention is made many possible variations and modification, or amendment by the method disclosed and technology contents
Equivalent embodiments for equivalent variations.Therefore, every content without departing from technical solution of the present invention, according to this
The technical spirit of invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, the most still belongs to
In the range of technical solution of the present invention is protected.
Claims (10)
1. the test system of a conducting slip ring, it is characterised in that sliding for test two conduction simultaneously
Ring；This system includes: current transformer, inverter controller, platform and test equipment；
Said two conducting slip ring is respectively as follows: the first conducting slip ring and the second conducting slip ring；
The stator of described first conducting slip ring and the stator of the second conducting slip ring are both connected to described platform
On, the rotor of described first conducting slip ring and the rotor of the second conducting slip ring is oppositely arranged and by connect
Device links together；
The rotor of one of them conducting slip ring rotates by driving motor to drive, another conducting slip ring
Synchronous rotary followed by rotor；Described driving motor is positioned on described platform；
The input of described current transformer connects electrical network, and it is sliding that the outfan of described current transformer connects the first conduction
The stator of ring, passes through between rotor and the rotor of described second conducting slip ring of described first conducting slip ring
Electrical connecting wires connects, and the stator of described second conducting slip ring connects described electrical network, so that electric energy feedback is given
Described electrical network；
Described inverter controller, controls described current transformer for output pulse width modulated signal and exports respectively
Different test electric currents loads to described first conducting slip ring and the second conducting slip ring；
Described test equipment, be used for testing described first conducting slip ring and the second conducting slip ring described not
With test current load time temperature rise data and communication quality data.
The test system of conducting slip ring the most according to claim 1, it is characterised in that described survey
Examination equipment includes: processor, is arranged on first group of temperature sensor within the first conducting slip ring and sets
Put in second group of temperature sensor within the second conducting slip ring；
Described processor, leads for gathering the temperature acquisition described first of described first group of temperature sensor
The temperature rise data of electric slip ring；And the temperature gathering described second group of temperature sensor obtains described second
The temperature rise data of conducting slip ring.
The test system of conducting slip ring the most according to claim 2, it is characterised in that described survey
Examination equipment also includes: communication main station communicates with at least following two slave station: the first communication slave station and second
Communication slave station；
Described communication main station is led to described first through described first conducting slip ring by the first communication line
Believer in a certain religion station is attached；
Described communication main station is led to described second through described second conducting slip ring by the second communication line
Believer in a certain religion station is attached；
Described communication main station, for sending control instruction to described communication slave station；
Described communication slave station, for responding described control instruction；
Described processor, for testing the signal of communication on described first communication line and the second order wire
Signal of communication on road, and by described signal of communication being analyzed the communication obtaining the first conducting slip ring
Qualitative data and the communication quality data of the second conducting slip ring.
4. according to the test system of the conducting slip ring described in any one of claim 1-3, it is characterised in that
Described current transformer includes: commutator and inverter；
The input of described commutator connects described electrical network；
The outfan of described commutator connects the input of described inverter；
The outfan of described inverter connects the stator of described first conducting slip ring.
The test system of conducting slip ring the most according to claim 4, it is characterised in that described change
Stream device also includes: Boost circuit, filter capacitor and wave filter；
The input of described Boost circuit connects the outfan of described commutator；
Described filter capacitor is connected in parallel on the outfan of described Boost circuit；
The outfan of described Boost circuit connects the input of described inverter；
The outfan of described inverter connects described wave filter；
The outfan of described wave filter connects the stator of described first conducting slip ring.
The test system of conducting slip ring the most according to claim 4, it is characterised in that also include:
Isolating transformer；
Described isolating transformer is connected between described electrical network and current transformer；
The armature winding of described isolating transformer and secondary windings use angle-star connected mode.
The test system of conducting slip ring the most according to claim 4, it is characterised in that also include:
Main breaker, current transformer rectification side chopper and current transformer outlet side chopper；
One end of described main breaker connects described electrical network, and the other end of described main breaker connects described
The input of isolating transformer；
One end of described current transformer rectification side chopper connects the outfan of described transformator, described unsteady flow
The other end of device rectification side chopper connects the input of described current transformer；
One end of described current transformer outlet side chopper connects the outfan of described inverter, described inversion
The other end of device outlet side chopper connects the stator of described first conducting slip ring.
8. the method for testing of a conducting slip ring, it is characterised in that utilize any one of claim 1-7
Conducting slip ring is tested by described system, including:
The different test electric currents that current transformer output conducting slip ring needs are controlled by inverter controller；
Described driving motor is utilized to drive the rotor of a conducting slip ring to rotate；
Gather described first conducting slip ring and the second conducting slip ring when described different test current load
Temperature rise data and communication quality data；
Described temperature rise data and communication quality data are analyzed, obtain the test result of conducting slip ring.
The method of testing of conducting slip ring the most according to claim 8, it is characterised in that gather institute
State first conducting slip ring temperature rise data when described different test current load, particularly as follows:
Capture setting is led in the temperature acquisition first of first group of temperature sensor of described first conducting slip ring
The temperature rise data of electric slip ring；
Gather described second conducting slip ring temperature rise data when described different test current load, tool
Body is:
Capture setting is led in the temperature acquisition second of second group of temperature sensor of described second conducting slip ring
The temperature rise data of electric slip ring.
The method of testing of conducting slip ring the most according to claim 8, it is characterised in that described
Gather described first conducting slip ring communication quality data when described different test current load, tool
Body is:
The signal of communication on the first communication line between collection communication main website and the first communication slave station；Institute
State the first communication line by described first conducting slip ring；
Gather described second conducting slip ring communication quality number when described different test current load
According to, particularly as follows:
Signal of communication in collection communication main website and the second communication direct second communication line of slave station；Institute
State the second communication line by described second conducting slip ring；
Described communication main station is for sending control instruction to described communication slave station, and described communication slave station is used for
Described control instruction is responded.
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| CN201610581294.0A CN105974247B (en) | 2016-07-21 | 2016-07-21 | System and method for testing conductive slip ring |
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| CN201610581294.0A CN105974247B (en) | 2016-07-21 | 2016-07-21 | System and method for testing conductive slip ring |
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| CN106918756A (en) * | 2017-04-28 | 2017-07-04 | 北京航天控制仪器研究所 | The special running-in test device of conducting slip ring |
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| CN109459630A (en) * | 2018-10-15 | 2019-03-12 | 中国电子科技集团公司第十四研究所 | A kind of device of measured power conducting slip ring transmission performance |
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| CN110361624A (en) * | 2019-07-22 | 2019-10-22 | 深圳市奋达科技股份有限公司 | A kind of circuit and method detecting rotary connector |
| CN112198378A (en) * | 2020-09-07 | 2021-01-08 | 上海联影医疗科技股份有限公司 | Slip ring fault detection device and method |
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| CN105974247B (en) | 2018-08-28 |
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