CN106646059A - Low-voltage electric device reliability testing device and system - Google Patents
Low-voltage electric device reliability testing device and system Download PDFInfo
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- CN106646059A CN106646059A CN201611251543.6A CN201611251543A CN106646059A CN 106646059 A CN106646059 A CN 106646059A CN 201611251543 A CN201611251543 A CN 201611251543A CN 106646059 A CN106646059 A CN 106646059A
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
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- 230000008569 process Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 2
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- 238000009781 safety test method Methods 0.000 description 1
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Classifications
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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
- G01R31/003—Environmental or reliability tests
-
- 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
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
Abstract
The invention discloses a device and a system for testing the reliability of a low-voltage electric device, which are used for detecting the reliability of the low-voltage electric device under a rotating working condition. The reliability testing device for the low-voltage electric appliance is used for applying a testing dynamic load to a low-voltage electric appliance test piece and comprises a support and a walking device. The bracket comprises an annular guide rail with a horizontal axis; the walking device is used for installing a low-voltage apparatus test piece to be tested, is connected to the annular guide rail and can walk along the annular guide rail. The reliability testing device and system for the low-voltage electric device can simulate the working condition of rotation of the impeller and test the reliability of the low-voltage electric device.
Description
Technical field
The invention belongs to Wind turbines electricity consumption device reliability test technical field, more particularly to a kind of low-voltage electrical part can
By system safety testing device and system.
Background technology
In wind generator system, the frame for movement and electrical system in cabin or impeller is carried out away from ground to it
Maintenance/safeguard relatively difficult, and climbing pylon has certain danger for operating personnel.Also, to electricity generation system
Maintenance/maintenance may need to shut down, shutdown can then reduce the production capacity of electricity generation system.Therefore, cabin or leaf should as far as possible be ensured
The reliability of each components and parts or link in frame for movement and electrical system in wheel, the reliability overall so as to improve electricity generation system
Property.
For some predictable bad conditions, precautionary measures, such as critical component or system can be made in the design phase
Redundancy Design etc..However, the operating condition of wind generator system has its particularity, some are in the general machine of other field
Then it is possible that new problem when used in wind generator system, those skilled in the art should send out as far as possible tool/electrical equipment
The factor that now system reliability may be impacted, and take measures to judge whether to need to take counter-measure.
The content of the invention
The embodiment of the present invention provides a kind of low-voltage electrical part RTA reliability test assembly and system, under can detecting rotation operating mode
The reliability of low-voltage electrical part.
First aspect, there is provided a kind of low-voltage electrical part RTA reliability test assembly, for applying to test to low-voltage electrical apparatus test specimen
Dynamic loading, it includes support and running gear.Support includes the ring-shaped guide rail that axis horizontal is arranged；Running gear is treated for installation
The low-voltage electrical apparatus test specimen of test, is connected to ring-shaped guide rail and can walk along ring-shaped guide rail.
In the first possible implementation, running gear includes thering is the driver part that can produce rotational motion, drives
Dynamic component and ring-shaped guide rail abutting contact, the active force that can be produced by abutting contact when driver part is rotated drives walking dress
Put.
With reference to above-mentioned possible implementation, in second possible implementation, abutting contact for engagement contact or
Tangent contact.
With reference to above-mentioned possible implementation, in the third possible implementation, when the driver part of running gear
When being tangent contact between ring-shaped guide rail, driver part includes roller, rotary surface and the tangent contact of ring-shaped guide rail of roller.
With reference to above-mentioned possible implementation, in the 4th kind of possible implementation, the rotary surface of roller cuts vertical
V-shaped on face, ring-shaped guide rail has the guide part with rotary surface shape adaptation.
With reference to above-mentioned possible implementation, in the third possible implementation, the rotary surface of roller is around useful
In the annulus of increase frictional resistance.
With reference to above-mentioned possible implementation, in the 5th kind of possible implementation, low-voltage electrical part reliability testing
Device also includes slewing equipment, and slewing equipment has axially vertical rotating part, and support is directly or indirectly fixed on rotating part.
With reference to above-mentioned possible implementation, in the 6th kind of possible implementation, low-voltage electrical part reliability testing
Device also includes the vibrating device with vibration section, and support is arranged at vibration section.
A kind of second aspect, there is provided low-voltage electrical part reliability test system, for testing dynamic loading under low-voltage electrical apparatus examination
The reliability of part, including test device, control device and driving means.Test device is illustrated by any one in first aspect
Low-voltage electrical part RTA reliability test assembly, for installing low-voltage electrical part to be tested, low-voltage electrical part has execution circuit
And control circuit；Control device is used to send test signal to control circuit, and can receive the feedback signal of execution circuit；Drive
Device can drive the running gear in test device to rotate.
In the first possible implementation, control device includes PLC module, and PLC module includes input interface and defeated
Outgoing interface, output interface is used to connect the control circuit of low-voltage electrical part to be tested, and input interface is used to connect low-voltage electrical apparatus
The execution circuit of part.
With reference to above-mentioned possible implementation, in second possible implementation, PLC module is fixed on running gear
On.
With reference to above-mentioned possible implementation, in the third possible implementation, driving means at least include frequency conversion
The motor of device and drive gear transmission component and roller, the rotating speed that computer capacity passes through Frequency Converter Control motor.
Low-voltage electrical part RTA reliability test assembly and system that the present invention is provided, can be by running gear in perpendicular
The operating mode that interior rotation simulated impeller is rotated, to the low-voltage electrical part to be tested being arranged on running gear dynamic loading is applied.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to make needed for the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can be obtaining other according to these accompanying drawings
Accompanying drawing.
The structural representation of low-voltage electrical part RTA reliability test assemblies of the Fig. 1 to be provided according to one embodiment of the invention；
Fig. 2 is partial enlarged view I in Fig. 1；
Fig. 3 is running gear structural front view in Fig. 1；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the sectional view of roller and ring-shaped guide rail matching part；
The structural representation of low-voltage electrical part reliability test systems of the Fig. 6 to be provided according to one embodiment of the invention.
Wherein：
100- supports, 110- bases, 120- risers, 130- ring-shaped guide rails, guide pass in 131-, 132- outer guides face；
200- running gears, 210- installing plates, 220- tensioning member, 230- rollers, 240- gear-driven assemblies；
700- relays, 800-PLC modules.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the following detailed description, it is proposed that many details, to provide complete understanding of the present invention.But
It is, it will be apparent to those skilled in the art that the present invention can be thin in some in not needing these details
Implement in the case of section.The description of embodiment is used for the purpose of below providing to the present invention by illustrating the example of the present invention
Be better understood from.The present invention is never limited to any concrete structure set forth below and configuration, but without departing from the present invention
Spirit on the premise of cover any modification of part, part and connected mode, replacement and improve.
Additionally, described feature, structure or characteristic can be combined in one or more enforcements in any suitable manner
In example.In the following description, there is provided many details fully understand so as to be given to embodiments of the invention.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the application in detail.
The Operation Conditions of wind generator system are complex, and operation process is related to impeller rotation, driftage and blade and becomes oar
Deng action, above action may cause the vibration of each equipment or produce dynamic load(loading) to some equipment.For example, wind-power electricity generation
Vane change device in unit impeller includes motor and transmission device, typically there is relay, contactor in the control circuit of motor
Deng low-voltage electrical apparatus, this part electric elements is arranged in impeller in physical cabling and rotates with impeller.Touching in low-voltage electrical apparatus
Head is driven by armature more, and armature is driven by the electromagnetic force and/or spring force of solenoid.Low-voltage electrical part when impeller rotates
The key element such as armature or contact can be subject to the dynamic loadings such as centrifugal force, may be to the magnetic force and spring force in low-voltage electrical part
Interfere.The present invention provide low-voltage electrical part RTA reliability test assembly and system, can wind-driven generator simulation group impeller
Rotation operating mode, can apply test dynamic loading to low-voltage electrical apparatus test specimen, and to the contact of low-voltage electrical part under the dynamic loading operating mode
The stability of closed/open is tested.
Referring to figs. 1 to Fig. 5, Fig. 1 is the low-voltage electrical part RTA reliability test assembly that provided according to one embodiment of the invention
Structural representation, Fig. 2 be Fig. 1 in partial enlarged view I, Fig. 3 be Fig. 1 in the front view of running gear 200, Fig. 4 for Fig. 3 a left side
View, Fig. 5 is the sectional view of roller and ring-shaped guide rail matching part.
Low-voltage electrical part RTA reliability test assembly includes support 100 and running gear 200.Axis is provided with support 100
The ring-shaped guide rail 130 of level.Running gear 200 is used to install low-voltage electrical apparatus test specimen to be tested, is movably connected to annular and leads
Can walk on rail 130 and in perpendicular along ring-shaped guide rail 130, the operating mode that simulated impeller is rotated can be tried low-voltage electrical apparatus
Part applies dynamic loading (centrifugal force).
Support 100 includes base 110 and riser 120.Riser 120 is connected to base 110, and on riser 120 great circle is provided with
Hole, the circumferential surface sections of big hole are provided with ring-shaped guide rail 130.Base 110 is Rectangular Plate Structure, can be horizontally set on ground when using
On face.The brace for increasing intensity is provided between riser 120 and base 110.
Ring-shaped guide rail 130 has two interior guide pass 131 and two outer guide faces 132.Two interior guide pass 131 are formed and cut
Guide part of the face in " ∧ " shape, and the guide part is predominantly located in inside the big hole on riser 120, two of " ∧ " guide part
End is extended outside the hole of big hole, i.e., protrude from respectively outside the plate face of riser 120." ∧ " guide part protrudes from riser 120
Two collar flanges of part formation outside plate face, the diameter with diameter greater than big hole on riser 120 of two collar flanges,
And outer circumference surface is formed with, outer circumference surface is outer guide face 132.Ring-shaped guide rail 130 can be it is integrally formed with riser 120,
Can also refill to be assigned on riser 120 after preprocessing shaping.
Running gear 200 includes that the driver part and installing plate 210 of rotational motion, driver part in the present embodiment can be produced
Including motor (not shown), gear-driven assembly 240 and two rollers 230.Roller 230 is used for and leads in ring-shaped guide rail 130
The abutting contact of rail level 131, the i.e. rotary surface of roller 230 are tangent with interior guide pass 131.Roller 230 can be by supporting when rotating
It is abutted against the active force driving running gear for touching generation, i.e., is driven by stiction therebetween.Installing plate 210
Side be used to that low-voltage electrical part to be tested to be installed, opposite side is used to install motor, gear-driven assembly 240 and roller 230.
When in use, four tensioning member 220 can be installed on installing plate 210, for the outer guide face 132 with ring-shaped guide rail 130
Coordinated, running gear 200 be tensioned, make to have between roller 230 and ring-shaped guide rail 130 enough stiction and
Prevent running gear 200 from coming off from guide rail.
Installing plate 210 is rectangular slab in this enforcement, and the side of installing plate 210 is provided with for installing low-voltage electrical apparatus to be tested
The installing rack (not shown) of part, opposite side is provided with the support for installing driver part.Multiple installing holes are provided with support
And axle, for installing motor, two rollers 230 and gear-driven assembly 240.
Roller 230 is the revolving body with rotary surface, and rotary surface is made up of and in roller 230 two inclined anchor rings
V-shaped on longitudinal section, the rotary surface can be adapted to " ∧ " shape guide part of ring-shaped guide rail 130.Two inclinations of roller 230
Anchor ring on be provided with multiple annular grooves, have the annulus for increasing frictional resistance, and the ring body of annulus around (set) in annular groove
Protrude from anchor ring.Annulus can be made up of rubber, with elastic and larger coefficient of friction, when roller 230 is attached to ring-shaped guide rail
When 130, its periphery coordinates with " ∧ " the shape guide part of ring-shaped guide rail 130, and annulus can increase to guide rail spigot surface and roller
Pressure and stiction between periphery.The periphery of roller 230 is " V " shape, when roller 230 is ridden in ring-shaped guide rail 130
" ∧ " shape guide part when, two incline and symmetrical interior guide pass 131 can make roller 230 carry out self-centering, and limit
Axial float of the roller 230 in ring-shaped guide rail 130.
Tensioning member 220 includes connection bar assembly and directive wheel.One end of connection bar assembly has elbow to be formed " L "
Shape, directive wheel is rotatably connected to the elbow end；The other end of connection bar assembly is vertically connected on installing plate 210.
The quantity of tight component 220 is four, is separately positioned on four angles of installing plate 210, and the guiding of four tensioning member 220
The axis of wheel is parallel.When using, four 220 points of tensioning member are two groups, and every group of quantity is two, and is located at riser respectively
120 both sides, the periphery per the directive wheel in group bears against with two outer guide faces 132 of ring-shaped guide rail 130 and contacts, and carries
For the required during circular motion centripetal force on ring-shaped guide rail 130 of running gear 200.Connection bar assembly includes branch sleeve, bullet
Spring (not shown) and connecting shaft, spring is arranged in sleeve and connecting shaft is pulled into installing plate 210.The circumference of one end of connecting shaft
Handle is provided with face, two cannelures and a circumferential slot are provided with branch sleeve, circumferential slot connects two cannelures, shape
Into the groove system of " h " shape.Wherein, a cannelure has opening in an end of branch sleeve, is available for connecting shaft insertion connection
Handle is passed through during sleeve.The dismounting of connecting shaft can be easy in the groove system of " h " shape.
When in use, running gear 200 is installed on ring-shaped guide rail 130, and two rollers 230 straddle ring-shaped guide rail
On 130 " ∧ " shape guide part, on the directive wheel of four tensioning member 220 and the outer guide face 132 of ring-shaped guide rail 130.Relay
Device 700 and PLC module 800 can be fixed on the installing plate 210 of running gear 200.In the side of base 110, slip ring 500 is set,
Make slip ring 500 coaxial with ring-shaped guide rail 130, and power line and holding wire are accessed by slip ring the motor on running gear 200,
Relay 700 and PLC module 800.Rigidity can be carried out by connecting rod (not shown) between running gear 200 and slip ring 500
Connection, drives slip ring to rotate when rotating running gear 200 by connecting rod；The cable drive that can also be only relied on therebetween is slided
Ring is rotated.
Running gear 200 along ring-shaped guide rail 130 turn round in perpendicular when, can make relay 700 be subject to centrifugation masterpiece
With simulating the operating mode of impeller mesolow electrical part.Can be sent to relay 700 by PLC module 800 in turning course
Test signal, and judged whether according to the feedback signal of relay 700 working properly, thereby judge its reliability.
Running gear 200 quality itself is less, and the power needed in turning course is less, can save energy.
In an alternative embodiment, support 100 can be arranged on slewing equipment.Slewing equipment has base and rotating part,
Rotating part is disc-shaped structure, and its axis vertical is arranged, and can be around own axes relative to base rotation.Electricity is set in base
Machine and gear transmission structure, to drive rotating part to rotate.Running gear 200 can be simultaneously driven when in use in perpendicular
Rotate and the rotating part of slewing equipment is rotated in horizontal plane, can be while simulated impeller revolution and the operating mode gone off course.
In an alternative embodiment, support 100 can be arranged on vibrating device.Vibrating device has vibration section, Neng Gouti
For level, the vibration in vertical or other directions, for wind-driven generator simulation group blade the vibration that the operating modes such as oar cause is become.Vibration
The vibration in portion is driven by exciting device, and exciting device can be ultrasonic wave excitation device, electromagnetic exciting device or inertial excitation dress
Put, using the teaching of the invention it is possible to provide the vibration with predetermined amplitude and frequency.When using, running gear 200 can be simultaneously driven in perpendicular
Interior rotation and the vibration section vibration of vibrating device, can be while simulated impeller revolution and the operating mode vibrated.
In an alternative embodiment, the periphery of roller 230 is cylinder, correspondingly the matched guide rail of ring-shaped guide rail 130
Face is shaped as inner cylinder face.
In an alternative embodiment, roller 230 can also be gear, and ring-shaped guide rail 130 can also be gear ring, can be by the two
The abutting contact of the flank of tooth forms engagement contact, realizes motion of the gear on ring-shaped guide rail 130.
The embodiment of the present invention additionally provides a kind of low-voltage electrical part reliability test system, for testing dynamic loading under low pressure
The reliability of electrical equipment test specimen.With reference to Fig. 6, Fig. 6 is the low-voltage electrical part reliability testing that provided according to one embodiment of the invention
The structural representation of system.Reliability test system 1 includes test device 30, control device and driving means, for test after
Reliability of the electrical equipment 700 under rotation operating mode.In the present embodiment, test device 30 is illustrated in aforementioned any one embodiment
Low-voltage electrical part RTA reliability test assembly, (can for installing low-voltage electrical part (relay 700) to be tested and PLC module
Programmed logic controller).Control device includes computer 900 and PLC module 800；Driving means include frequency converter 10 and motor
20。
Test device 30 is used to install low-voltage electrical part to be tested and PLC module 800, in the present embodiment, low-voltage electrical apparatus
For relay 700, the relay includes contact circuit and electromagnetic coil circuit, and contact circuit is execution circuit, solenoid electricity
Road is control circuit.For normally open contact and its coil, when no power in coil circuit, contact circuit is off；
When the coil is energized, contact circuit is in closure state.For normally closed interlock and its coil, when no power in coil circuit,
Contact circuit is in closure state；When the coil is energized, contact circuit is off.
In control device, PLC module 800 includes input interface and output interface, and output interface connects low tension to be tested
The control circuit of device, input interface connects the execution circuit of low-voltage electrical part.Also have between PLC module 800 and computer 900
Communication connection, can be real-time on-line joining process, computer 900 can to PLC module 800 send real-time test signal and connect and
The feedback signal of PLC module 800 is received in storage.PLC module 800 can send the test signal of computer 900 to be tested low
Piezoelectricity device, and receive by the feedback signal of low-voltage electrical apparatus to be tested.PLC module 800 is fixed on running gear, can reduce by
The wiring drawn in test device 30, the channel quantity needed for so as to reduce slip ring.In an alternative embodiment, can also be without arranging
Computer 900, PLC module 800 itself has memory cell, and can prestore control program, and the data to obtaining in test are carried out
Storage, can equally perform control function.In other alternative embodiments, can be performed with substituting PLC module 800 with single-chip microcomputer
Control function.
Driving means include frequency converter 10 and motor 20, and motor 20 is used for 230 turns of drive gear transmission component 240 and roller
It is dynamic.Frequency converter 10 can control frequency by computer 900, so as to carry out frequency-adjustable speed-adjustable to motor 20.Can be according to impeller actual speed
The Rational Rotation Speed of running gear in conversion the system, it is ensured that low-voltage electrical part to be tested has the linear speed suitable with actual condition
Degree.
During test, the rotating speed of the regulation motor 20 of frequency converter 10 is controlled by computer 900 first, make row in test device 30
The speed of walking apparatus 200 reaches predetermined value.Again test signal is sent to PLC module 800 by computer 900, such as make relay
Coil obtains electric signal；Simultaneous computer 900 receives the feedback signal that PLC module 800 is obtained, i.e., in relay in contact circuit
Corresponding " on "/"off" signal.When the contact of relay is that the test signal that normally open contact and PLC module 800 send is
When making relay coil obtain electric signal, feedback signal should be stable " on " signal, if feedback signal in test process
The middle signal for occurring disconnecting, then show that the performance of the relay under the operating mode is unreliable.
In an alternative embodiment, while making slewing equipment be in rotary state so that low-voltage electrical part to be tested is in
Under horizontal rotation and the vertically complex conditions of revolution, can be while wheel rotation and driftage in wind-driven generator simulation group running
Operating mode.
Low-voltage electrical part RTA reliability test assembly and system that the present invention is provided, the operating mode that can be rotated with simulated impeller, survey
The reliabilities of the low-voltage electrical part under the operating mode such as examination relay.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement all should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
The protection domain of requirement is defined.
Claims (12)
1. a kind of low-voltage electrical part RTA reliability test assembly, it is characterised in that for applying test dynamic load to low-voltage electrical apparatus test specimen
Lotus, including：
Support (100), it includes the ring-shaped guide rail (130) that axis horizontal is arranged；And
Running gear (200), for installing low-voltage electrical apparatus test specimen to be tested, is connected to the ring-shaped guide rail (130) and energy edge
Ring-shaped guide rail (130) walking.
2. low-voltage electrical part RTA reliability test assembly according to claim 1, it is characterised in that the running gear
(200) include having and can produce the driver part of rotational motion, the driver part and the ring-shaped guide rail (130) are against connecing
Touch, the active force that can be produced by the abutting contact when driver part is rotated drives the running gear (200).
3. low-voltage electrical part RTA reliability test assembly according to claim 2, it is characterised in that the abutting contact is to nibble
Splice grafting is touched or tangent contact.
4. low-voltage electrical part RTA reliability test assembly according to claim 3, it is characterised in that when the running gear
(200) when being tangent contact between driver part and the ring-shaped guide rail (130), the driver part includes roller (230),
The rotary surface of the roller (230) and the tangent contact of the ring-shaped guide rail (130).
5. low-voltage electrical part RTA reliability test assembly according to claim 4, it is characterised in that the roller (230)
Rotary surface is V-shaped on longitudinal section, and the ring-shaped guide rail (130) is with the guiding with the rotary surface shape adaptation
Portion.
6. low-voltage electrical part RTA reliability test assembly according to claim 4, it is characterised in that the roller (230)
Rotary surface is wound with the annulus for increasing frictional resistance.
7. according to the arbitrary described low-voltage electrical part RTA reliability test assembly of claim 1-6, it is characterised in that also including revolution
Device, the slewing equipment has axially vertical rotating part, and the support (100) is directly or indirectly fixed on the revolution
Portion.
8. the low-voltage electrical part RTA reliability test assembly according to claim 1-6, it is characterised in that also include that there is vibration
The vibrating device in portion, the support (100) is arranged at the vibration section.
9. a kind of low-voltage electrical part reliability test system, it is characterised in that low-voltage electrical apparatus test specimen under for testing dynamic loading
Reliability, including：
Test device, the test device is the low-voltage electrical part reliability testing dress in claim 1-8 described in any one
Put, for installing low-voltage electrical part to be tested, the low-voltage electrical part has execution circuit and control circuit；
Control device, for sending test signal to the control circuit, and can receive the feedback signal of the execution circuit；With
And
Driving means, can at least drive the running gear (200) in the test device to rotate.
10. low-voltage electrical part reliability test system according to claim 9, it is characterised in that the control device bag
Include PLC module, the PLC module includes input interface and output interface, the output interface is used to connecting to be tested described
The control circuit of low-voltage electrical part, the input interface is used to connect the execution circuit of the low-voltage electrical part.
11. low-voltage electrical part reliability test systems according to claim 10, it is characterised in that the PLC module is consolidated
On the running gear (200).
12. low-voltage electrical part reliability test systems according to claim 11, it is characterised in that the driving means are extremely
Include the motor of frequency converter and drive gear transmission component and roller less, computer capacity is by motor described in the Frequency Converter Control
Rotating speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611251543.6A CN106646059B (en) | 2016-12-29 | 2016-12-29 | Low-voltage electric device reliability testing device and system |
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|---|---|---|---|
| CN201611251543.6A CN106646059B (en) | 2016-12-29 | 2016-12-29 | Low-voltage electric device reliability testing device and system |
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| CN106646059B CN106646059B (en) | 2020-02-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081825A (en) * | 2019-05-30 | 2019-08-02 | 常州工学院 | A kind of fixed bellows laser displacement inspecting device and its detection method |
| CN111404058A (en) * | 2020-04-22 | 2020-07-10 | 商兆惠 | Formula of book switch board |
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