CN104865484B - A kind of hub of megawatt wind generating set cable detecting device and detection method - Google Patents
A kind of hub of megawatt wind generating set cable detecting device and detection method Download PDFInfo
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- CN104865484B CN104865484B CN201410065449.6A CN201410065449A CN104865484B CN 104865484 B CN104865484 B CN 104865484B CN 201410065449 A CN201410065449 A CN 201410065449A CN 104865484 B CN104865484 B CN 104865484B
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Abstract
The invention discloses a kind of hub of megawatt wind generating set cable detecting device and detection method, including AC/DC change-over circuits and wheel hub cable detection circuit, the wheel hub cable detection circuit includes proximity switch cable detection circuit, position switch cable detection circuit and motor braking cable detection circuit.Detection method comprises the following steps：Prepare and debugged device；Proximity switch cable detects；Position switch cable detects；Motor braking cable detects.The present invention relatively rapid can detect to cable, simple to operate, and accuracy rate is high, solves and erroneous judgement, situation of failing to judge occurs because of pen meter of universal meter loose contact or stitch point mistake, and safe, operating voltage is less than the 36V safe voltages of national regulation；AC/DC power supplys have perfect short circuit, excessively stream, overvoltage, lightning protection performance；All exposed terminals do insulation processing inside device；Apparatus housing Seal Design has dustproof and waterproof performance.
Description
Technical field
The present invention relates to technical field of measurement and test, particularly a kind of wind generator unit wheel hub cable detecting device and detection side
Method.
Background technology
Hub of megawatt wind generating set cable uses harting plugs, inductive switch, position switch connected mode,
Cable line footpath is thicker, heavier, and after the completion of the assembling of inductive switch, position switch, wiring, need to dismantle plug, can examine.
At present, wind-powered electricity generation final assembly producer is substantially all using traditional method of inspection, and two are connected using harting plugs
End line cable, measured and checked by universal meter；Plug need to be removed using inductive switch, position switch connection cables, checks wire size mark
Know.This mode efficiencies are relatively low, and easily missing inspection situation occur, larger quality risk be present.Existing detection method is not being entered
In the case of row dismounting plug, can not butted line connection checked that and need two people to be operated, loss is high, to employee
Ability to work has particular/special requirement.
In the prior art, the utility model of Application No. 200820023712.5 provides a kind of Bi Jianuo OMNI-800 and knitted
Machine visits latitude cable detecting device, it is characterised in that:Including AC/DC power modules U, resistance R, light emitting diode D, power outlet A,
Power outlet B, the wherein power input of AC/DC power modules are through switching the external 220V AC powers of K, and its power output end is just
Pole meets power outlet A through light emitting diode D, and negative pole meets power outlet B through resistance R.During work, it will be inserted by probing latitude cable both sides
Head inserts in power outlet A and power outlet B corresponding to the device respectively, if light emitting diode D is bright, loom is visiting latitude cable just
Often, otherwise loom visits latitude cable there have been failure, thus very easily tells the quality that loom visits latitude cable, structure
Simply, detection is quick accurate, and operating efficiency is high.A kind of cable detection dress of the disclosure of the invention of Application No. 201210098353.0
Put and method, cable detecting device include：Be connected to tested cable both ends a main side equipment and one from end equipment；
The main side equipment and described include from end equipment：Switch arrays, current source, data transtation mission circuit, data receiver circuit,
With detector, controller and man-machine interface；It is described also to include from end equipment：Forward direction detection circuit and inverse detection circuit.This hair
The bright detection that cable short circuit, line sequence, open circuit can be realized in the case where not possessing PERCOM peripheral communication guarantee, does not require tested cable
There is common ground point in both ends, can be not only used for cable detection when cable both ends before laying cable are in same position, it is also possible to
Cable detection when cable both ends are in diverse location during laying cable or after cable has been laid, all behaviour
Make be completed by an operating personnel.Utility model《Cable detecting device》（CN2819230）Disclose a kind of cable detection
Device, including be at least used to connecting all the way the electric cable connection circuit of tested cable, one be used for detection cable path, open circuit and short
Line state detects circuit and at least one display circuit for being used to indicate testing result, and the state detection circuit is micro- including one
Processor.Multicore cable is connected by electric cable connection circuit, by the judgement and control of the microprocessor, realized to industrial electro
Cable carries out the Non-Destructive Testing of the failures such as short circuit, open circuit, and the display and event of normal operating conditions are carried out by the display circuit
The alarm of barrier state, clearly display the line number of circuit break and short circuit.Utility model《A kind of cable detecting device》
（CN202453454U）A kind of cable detecting device is disclosed, including：For producing pumping signal, and pass through cable under test
Excitation module of the one end towards transmitting pumping signal in the cable under test；For being connect by the first end face of the cable under test
Feedback signal is received, and calculates the detection module of the current phase difference between the feedback signal and the pumping signal；It is described anti-
Feedback signal is signal caused by return after the second end face of the pumping signal arrival cable under test；For according to the inspection
Ripple module calculates the current phase difference obtained and preset normalized phase is poor, judges whether the cable under test length changes
Detection module.
The correlative theses retrieved mainly have：《The application and raising of cable detection technology》, low-voltage electrical apparatus, 2010 01
Phase；《Detector for Multi-core Cables designs》, western part of China science and technology, 2 months the 02nd phases of volume 12 in 2013.
Above prior art is not to be returned according to proximity switch, position switch and motor braking line characteristic designed, designed are related
Proximity switch cable, position switch cable and motor braking cable are detected in road, are further improved.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of hub of megawatt wind generating set cable detecting device
And detection method, it relatively rapid can be detected to cable, is solved wheel hub cable in the prior art and is not easy to examine, easily goes out
Now judge by accident, situation of failing to judge the problem of.
The technical scheme is that：The hub of megawatt wind generating set cable detecting device, including AC/DC turn
Circuit and wheel hub cable detection circuit are changed, the wheel hub cable detection circuit includes：For detecting the close of proximity switch cable
Switch cable detection circuit, the position switch cable detection circuit for test position switch cable and for detecting motor braking
The motor braking cable detection circuit of cable；Proximity switch cable detection circuit, position switch cable detection circuit and the electricity
Connected after machine brake cable detection circuit in parallel with AC/DC change-over circuits.
The hub of megawatt wind generating set cable detecting device also includes box body, the MW class wind turbine
Group wheel hub cable detecting device uses integrated integral structure, the proximity switch cable detection circuit, position switch cable
It is integrated on box body to detect circuit, motor braking cable detection circuit and AC/DC change-over circuits.
The proximity switch cable detection circuit includes proximity switch power switch, proximity switch indicator lamp, resistance, two poles
Pipe, proximity switch socket and proximity switch posting.
The position switch cable detection circuit includes position switch power switch, position switch indicator lamp, resistance, two poles
Pipe and position switch socket；The position switch power switch is LS-11 switches, and the position switch socket is that LS-11 is inserted
Seat, the position switch indicator lamp is LS-11 indicator lamps.
Motor braking cable detection circuit include motor braking line power switch, motor braking line indicator lamp, resistance,
Diode, motor braking line socket and motor braking line plug；The motor braking power switch is point driving switch.
Hub of megawatt wind generating set cable detection dress also includes external power supply equipment；The megawatt level wind power generation
Terminals inside machine unit hub cable detecting device use sealing structure using insulation system, shell.
The hub of megawatt wind generating set cable detection method, using above-mentioned hub of megawatt wind generating set
Cable detecting device is detected, and is comprised the following steps：
A, preparation and hub of megawatt wind generating set cable detecting device has been debugged, has accessed AC220V power supplys；
B, proximity switch cable detects：The plug of proximity switch cable is fixed on proximity switch socket, opened close
Switch, DC24V power supplys are connected, the inductive head of proximity switch cable is placed on proximity switch posting, makes DC24V
Power supply forms loop by proximity switch indicator lamp, observes the indicator lamp on the proximity switch on proximity switch indicator lamp and cable
State, obtain corresponding inspection according to the different conditions of the indicator lamp on the proximity switch on proximity switch indicator lamp and cable
Result is surveyed, the indicator lamp on proximity switch on proximity switch indicator lamp and cable is bright, represents that connection is correct；Complete close open
After closing cable detection, proximity switch power switch is closed；
C, position switch cable detects：Position switch cable is inserted into LS-11 socket positions and locked, LS-11 is opened and opens
Close, connect DC12V power supplys, DC12V power supplys is formed loop by LS-11 indicator lamps, observe the state of LS-11 indicator lamps, root
The different conditions of LS-11 indicator lamps obtain corresponding testing result, and when the connection of position switch cable is correct, LS-11 indicator lamps are bright；
After completing the detection of position switch cable, closed position switch；
D, motor braking cable detects：Motor braking cable is connected to motor braking line socket and motor braking line plug
Position is simultaneously locked, and opens motor braking power switch, connects DC12V power supplys, and DC12V power supplys refer to by resistance, motor braking line
A complete electric power loop is formed after showing lamp, motor braking line power switch, diode, observation motor braking line indicator lamp
State, the different conditions of root motor braking line indicator lamp obtain corresponding testing result, when motor braking cable is correct, electricity
Mechanism moving-wire indicator lamp is bright；After completing the detection of motor braking cable, motor braking power switch is closed；
E, all cable plugs or socket are pulled up, completes the detection of hub of megawatt wind generating set cable.
In above-mentioned hub of megawatt wind generating set cable detection method, the specific bag of proximity switch cable detection
Include following flow：
A) hub of megawatt wind generating set cable detecting device power supply is connected, accesses AC220V power supplys；
B) the harting plugs of proximity switch cable are inserted into proximity switch socket；
C) proximity switch power switch is placed in " I " position；
D) inductive head of proximity switch cable is positioned towards switching on posting, on proximity switch indicator lamp and cable
Proximity switch on indicator lamp it is bright, represent that connection is correct；The finger on proximity switch on proximity switch indicator lamp or cable
Show that lamp does not work, represent connection error；
E) proximity switch power switch is placed in " O " position；
F) detection of proximity switch cable is completed；
The position switch cable detection specifically includes following flow：
A) hub of megawatt wind generating set cable detecting device power supply is connected, accesses AC220V power supplys；
B) it is LS-11 sockets by the plug insertion position switch socket of position switch cable, the position switch socket；
C) position switch power switch is placed in " I " position；
D) after position switch indicator lamp is bright, position switch swingle is pulled, position switch indicator lamp is not worked, and the position is opened
It is LS-11 indicator lamps to close indicator lamp；
E) position switch power switch is placed in " O " position；
F) detection of position switch cable is completed.
The motor braking cable detection specifically includes following flow：
A) hub of megawatt wind generating set cable detecting device power supply is connected, accesses AC220V power supplys；
B) plug of cable is inserted into motor braking line socket, the socket of cable is inserted into motor braking line plug；
C) motor braking line power switch is pressed, observes motor braking line indicator lamp：When motor braking cable is correct, electricity
Mechanism moving-wire indicator lamp is bright；During motor braking cable mistake, motor braking line indicator lamp does not work；
D) motor braking line power switch is unclamped；
E) detection of motor braking cable is completed.
The present invention also provides a kind of installation method of hub of megawatt wind generating set cable detecting device, including as follows
Step：
A, material, including the good box body of pre-production, AC220V power outlets, total power switch, power supply indicator are prepared
It is and various components needed for other AC/DC change-over circuits, resistance, diode, connecting line, proximity switch power switch, close
Switch indication light, proximity switch socket, LS-11 switches, LS-11 indicator lamps, LS-11 sockets, motor braking line power switch, electricity
Mechanism moving-wire indicator lamp, motor braking line socket and motor braking line plug；
AC/DC change-over circuits are installed B,：AC220V power outlets, total power switch, power supply indicator are arranged on box body
Side, resistance and diode are installed in box body, connects AC/DC change-over circuits；
Proximity switch cable detection circuit is installed C,：Proximity switch power supply is installed successively on cartridge upper surface top to open
Pass, proximity switch indicator lamp and proximity switch socket, and proximity switch posting is set, proximity switch is connected in box body
Cable detects circuit；
D, position switches cable detection circuit：Install LS-11 switches, LS-11 successively in the middle part of cartridge upper surface
Indicator lamp and LS-11 sockets, position switch cable detection circuit is connected in box body；
Motor braking cable detection circuit is installed E,：Motor braking line power supply is installed successively in cartridge upper surface bottom to open
Pass, motor braking line indicator lamp, motor braking line socket and motor braking line plug, connect motor braking cable in box body
Detect circuit；
F, proximity switch cable is detected into circuit, position switch cable detects circuit and motor braking cable detects circuit simultaneously
It is connected in series after connection with AC/DC change-over circuits；
G, the exposed terminals of tray interior are subjected to insulation processing；Encapsulation process is carried out to box case；Completion megawatt
The installation of grade wind driven generator unit wheel hub cable detecting device.
In the installation method of above-mentioned hub of megawatt wind generating set cable detecting device, the proximity switch cable
Detect circuit, position switch cable detection circuit, motor braking cable detection circuit and AC/DC change-over circuits it is integrated
On box body；When proximity switch cable detection circuit is installed, megawatt level wind power generation is arranged on one piece of 40mm × 40mm iron block
The back side of the cartridge upper surface shell of machine unit hub cable detecting device.
Above-mentioned hub of megawatt wind generating set cable detecting device relatively rapid can detect to cable, operation letter
It is single, harting plugs need to be only connected to fixed position, locking, accuracy rate is high, solves because of pen meter of universal meter contact not
Good or stitch point is wrong and erroneous judgement, situation of failing to judge occurs.
Present invention is mainly applied to the inspection of hub of megawatt wind generating set cable, is not easy to examine to solve wheel hub cable
The problem of testing, realize the purpose for improving checkability, reducing quality risk.The present invention uses semi-automatic test mode, i.e.,：
Using diode unilateral conduction principle, measure loop is determined, detection means is formed, tested cable plug is arranged on corresponding plug
Position, it can carry out detecting cable connection correctness, the degree of accuracy is up to 100%.In addition, situation can be turned on/off according to indicator lamp,
Cable connectivity problem point is judged, to rectify and improve in time.
The present invention key point be：According to proximity switch, position switch, motor braking line self-characteristic, design is related to return
Road, realize the purpose that cable connection checks；Principle thinking is turned on using diode individual event, and passes through the correlators such as power supply, resistance
Part forms loop, to realize the purpose of cable connection inspection.
In summary, the present invention is using integrated integrated apparatus design, only need during use external AC220V power supplys,
Tested cable, realize that the inspection of polytype cable can be completed to examine operation in same device；Accuracy rate is high, fortune
Detected with the device, eliminate and judged by accident caused by pen meter of universal meter loose contact or stitch point mistake, misjudge phenomenon, accuracy rate is high
Up to 100%；It is simple to operate, harting plugs need to be only connected to correspondence position locking, operate detection means shift knob,
And trigger test device, you can pass through LED light（Including various indicator lamps above）The state of turning on/off is judged；Peace
Quan Xinggao, power input are configured with power switch, security insurance, and operating voltage is less than the 36V safe voltages of national regulation；
AC/DC power supplys have perfect short circuit, excessively stream, overvoltage, lightning protection performance；All exposed terminals are done inside the present apparatus
Insulation processing；The design of present apparatus casing sealing has dustproof and waterproof performance.
Brief description of the drawings
Fig. 1 is that the profile of the hub of megawatt wind generating set cable detecting device in the embodiment of the present invention and structure are shown
It is intended to；
Fig. 2 is the proximity switch cable overhaul flow chart in the embodiment of the present invention；
Fig. 3 is the position switch cable overhaul flow chart in the embodiment of the present invention；
Fig. 4 is the motor braking cable overhaul flow chart in the embodiment of the present invention；
Fig. 5 is the hub of megawatt wind generating set cable detecting device piece electrical principle in the embodiment of the present invention
Figure.
In figure：1st, box body, 2, AC220V power outlets, 3, total power switch, 4, power supply indicator, 5, proximity switch power supply
Switch, 6, proximity switch indicator lamp, 7, proximity switch socket, 8, proximity switch posting, 9, LS-11 switches, 10, LS-11 refers to
Show lamp, 11, LS-11 sockets, 12, motor braking line power switch, 13, motor braking line indicator lamp, 14, motor braking line inserts
Seat, 15, motor braking line plug.
Embodiment
The hub of megawatt wind generating set cable detecting device uses integrated integral structure, accesses AC220V
Power supply, DC ± 12V or DC ± 24V voltages are converted into by AC/DC power circuits, be carried in resistance, diode, button switch,
Between tested cable, succinct circuit structure is formed to complete to work to the state-detection for being tested wheel hub cable.The MW class
Wind generator unit wheel hub cable detecting device meets these points requirement：The degree of accuracy is high；It is simple to operate；It is safe；Device
Integration.
As shown in Figures 1 to 5, the hub of megawatt wind generating set cable detecting device（I.e. Fig. 2 is into Fig. 4
Frock）, including box body 1, AC/DC change-over circuits, proximity switch cable detection circuit, position switch cable detection circuit and motor
Brake cable detects circuit；The side installation AC220V power outlets 2 of box body, total power switch 3, power supply indicator 4, described connect
Turn after nearly switch cable detection circuit, position switch cable detection circuit and motor braking cable detection circuit in parallel with AC/DC
Change circuit connected in series.The proximity switch cable detection circuit, position switch cable detection circuit, motor braking cable detection circuit
It is integrated on box body with AC/DC change-over circuits.
The proximity switch cable detection circuit includes resistance, diode, proximity switch power switch 5, proximity switch and referred to
Show lamp 6, proximity switch socket 7 and proximity switch posting 8.
The position switch cable detection circuit includes resistance, diode, LS-11 switches 9, the and of LS-11 indicator lamps 10
LS-11 sockets 11.
The motor braking cable detection circuit includes resistance, diode, motor braking line power switch 12, motor braking
Line indicator lamp 13, motor braking line socket 14 and motor braking line plug 15；The motor braking power switch is point driving switch.
Proximity switch power switch, proximity switch indicator lamp, proximity switch socket are installed successively on cartridge upper surface top
With proximity switch posting；LS-11 switches, LS-11 indicator lamps and LS-11 sockets are installed successively in the middle part of cartridge upper surface；
Cartridge upper surface bottom is installed by motor braking line power switch, motor braking line indicator lamp, motor braking line socket and electricity successively
Mechanism moving-wire plug.
Proximity switch cable detects：Using the principle of proximity switch, it is arranged on megawatt with one piece of 40mm × 40mm iron block
The back side of the cartridge upper surface shell cap of grade wind driven generator unit wheel hub cable detecting device.Fixed tested cable
Harting plugs, DC24V power supplys are connected, when the inductive head of tested cable is placed on proximity switch posting, 24V power supplys warp
Cross proximity switch indicator lamp and form loop, proximity switch indicator lamp is bright with the indicator lamp on the proximity switch on cable, represents
Connection is correct, and detailed schematic is as shown in Figure 2.The different shapes of the indicator lamp on proximity switch on proximity switch indicator lamp and cable
State represents the difference the problem of point being likely to occur.
Position switch cable detects：Position switch cable is inserted into LS-11 socket positions and locked, connects DC12V power supplys,
When cable connection is correct, LS-11 indicator lamps are bright.Detailed schematic is as shown in Figure 3.
Motor braking cable detects：Motor braking line plug and the electricity motor braking cable being connected in apparatus of the present invention
Mechanism moving-wire socket position is simultaneously locked, and connects DC12V power supplys, DC12V power supplys are by resistance, motor braking line indicator lamp, crawl
Switch（That is motor braking line power switch）, constitute a complete electric power loop after diode, motor braking cable is correct
Without mistaking, point driving switch is pressed, motor braking line indicator lamp is bright.Detailed schematic is as shown in Figure 4.
Proximity switch indicator lamp, LS-11 indicator lamps, motor braking line indicator lamp are LED.
The present invention uses integrated design and external power supply equipment, and 220VAC voltages are realized extremely by AC/DC change-over circuits
24VDC or 12VDC conversion, the detection of wheel hub cable is further realized by interlock circuit；By connecting 24V conversion electric powers,
According to proximity switch characteristic, associated loop is designed, realizes the detection of proximity switch cable；By connecting 12V conversion electric powers, according to
Normally closed/normally opened characteristic of position switch, interlock circuit is designed, realizes the detection of position switch cable；By connecting 12V conversion electricity
Source, according to motor braking cable characteristic, associated loop is designed, realizes the detection of motor braking cable.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., be all contained within protection scope of the present invention.
Claims (8)
1. a kind of hub of megawatt wind generating set cable detecting device, including AC/DC change-over circuits and the detection of wheel hub cable
Circuit, it is characterised in that the wheel hub cable detection circuit includes：Proximity switch cable for detecting proximity switch cable is examined
Slowdown monitoring circuit, the position switch cable detection circuit for test position switch cable and the motor for detecting motor braking cable
Brake cable detects circuit；Proximity switch cable detection circuit, position switch cable detection circuit and the motor braking cable
Connected after detection circuit in parallel with AC/DC change-over circuits；
The hub of megawatt wind generating set cable detecting device also includes box body, the MW class wind turbine group wheel
Hub cable detecting device uses integrated integral structure, the proximity switch cable detection circuit, the detection of position switch cable
Circuit, motor braking cable detection circuit and AC/DC change-over circuits are integrated on box body.
2. hub of megawatt wind generating set cable detecting device according to claim 1, it is characterised in that described to connect
Nearly switch cable detection circuit includes proximity switch power switch, proximity switch indicator lamp, resistance, diode, proximity switch and inserted
Seat and proximity switch posting.
3. hub of megawatt wind generating set cable detecting device according to claim 1, it is characterised in that institute's rheme
Switch cable detection circuit is put to insert including position switch power switch, resistance, diode, position switch indicator lamp and position switch
Seat；The position switch power switch is LS-11 switches, and the position switch socket is LS-11 sockets, and the position switch refers to
It is LS-11 indicator lamps to show lamp.
4. hub of megawatt wind generating set cable detecting device according to claim 1, it is characterised in that the electricity
Machine brake cable detection circuit includes motor braking line power switch, motor braking line indicator lamp, resistance, diode, motor system
Moving-wire socket and motor braking line plug；The motor braking power switch is point driving switch.
5. hub of megawatt wind generating set cable detecting device according to claim 1, it is characterised in that also include
External power supply equipment；Terminals inside the hub of megawatt wind generating set cable detecting device are using insulation knot
Structure, shell use sealing structure.
A kind of 6. hub of megawatt wind generating set cable detection method, using million any one of claim 1 to 5
Watt grade wind driven generator unit wheel hub cable detecting device is detected, and is comprised the following steps：
A, preparation and hub of megawatt wind generating set cable detecting device has been debugged, has accessed AC220V power supplys；
B, proximity switch cable detects：The plug of proximity switch cable is fixed on proximity switch socket, opens proximity switch
Power switch, DC24V power supplys are connected, the inductive head of proximity switch cable is placed on proximity switch posting, makes DC24V power supplys
Loop is formed by proximity switch indicator lamp, observes the shape of the indicator lamp on the proximity switch on proximity switch indicator lamp and cable
State, corresponding detection knot is obtained according to the different conditions of the indicator lamp on the proximity switch on proximity switch indicator lamp and cable
Fruit, the indicator lamp on proximity switch on proximity switch indicator lamp and cable is bright, represents that connection is correct；Complete proximity switch line
After cable detection, proximity switch power switch is closed；
C, position switch cable detects：Position switch cable is inserted into LS-11 socket positions and locked, LS-11 switches is opened, connects
Logical DC12V power supplys, make DC12V power supplys form loop by LS-11 indicator lamps, observe the state of LS-11 indicator lamps, root LS-11
The different conditions of indicator lamp obtain corresponding testing result, and when the connection of position switch cable is correct, LS-11 indicator lamps are bright；Complete
After the detection of position switch cable, closed position switch；
D, motor braking cable detects：Motor braking cable is connected to motor braking line socket and motor braking line plug position
And lock, open motor braking power switch, connect DC12V power supplys, DC12V power supplys by resistance, motor braking line indicator lamp,
A complete electric power loop is formed after motor braking line power switch, diode, observes the state of motor braking line indicator lamp,
Corresponding testing result, when motor braking cable is correct, motor are obtained according to the different conditions of motor braking line indicator lamp
Brake line indicator lamp is bright；After completing the detection of motor braking cable, motor braking power switch is closed；
E, all cable plugs or socket are pulled up, completes the detection of hub of megawatt wind generating set cable；
The proximity switch cable detection specifically includes following flow：
A) hub of megawatt wind generating set cable detecting device power supply is connected, accesses AC220V power supplys；
B) the harting plugs of proximity switch cable are inserted into proximity switch socket；
C) proximity switch power switch is placed in " I " position；
D) inductive head of proximity switch cable is positioned towards switching on posting, connecing on proximity switch indicator lamp and cable
Indicator lamp on nearly switch is bright, represents that connection is correct；The indicator lamp on proximity switch on proximity switch indicator lamp or cable
Do not work, represent connection error；
E) proximity switch power switch is placed in " O " position；
F) detection of proximity switch cable is completed；
The position switch cable detection specifically includes following flow：
A) hub of megawatt wind generating set cable detecting device power supply is connected, accesses AC220V power supplys；
B) it is LS-11 sockets by the plug insertion position switch socket of position switch cable, the position switch socket；
C) position switch power switch is placed in " I " position；
D) after position switch indicator lamp is bright, position switch swingle is pulled, position switch indicator lamp does not work, and the position switch refers to
It is LS-11 indicator lamps to show lamp；
E) position switch power switch is placed in " O " position；
F) detection of position switch cable is completed；
The motor braking cable detection specifically includes following flow：
A) hub of megawatt wind generating set cable detecting device power supply is connected, accesses AC220V power supplys；
B) plug of cable is inserted into motor braking line socket, the socket of cable is inserted into motor braking line plug；
C) motor braking line power switch is pressed, observes motor braking line indicator lamp：When motor braking cable is correct, motor system
Moving-wire indicator lamp is bright；During motor braking cable mistake, motor braking line indicator lamp does not work；
D) motor braking line power switch is unclamped；
E) detection of motor braking cable is completed.
7. a kind of installation method of hub of megawatt wind generating set cable detecting device, comprises the following steps：
A, prepare material, including the good box body of pre-production, AC220V power outlets, total power switch, power supply indicator and its
Various components, resistance, diode, connecting line, proximity switch power switch, proximity switch needed for his AC/DC change-over circuits
Indicator lamp, proximity switch socket, LS-11 switches, LS-11 indicator lamps, LS-11 sockets, motor braking line power switch, motor system
Moving-wire indicator lamp, motor braking line socket and motor braking line plug；
AC/DC change-over circuits are installed B,：AC220V power outlets, total power switch, power supply indicator are arranged on to the side of box body
Face, resistance and diode are installed in box body, connects AC/DC change-over circuits；
Proximity switch cable detection circuit is installed C,：Install proximity switch power switch successively on cartridge upper surface top, connect
Nearly switch indication light and proximity switch socket, and proximity switch posting is set, proximity switch cable is connected in box body
Detect circuit；
D, position switches cable detection circuit：Install LS-11 switches, LS-11 instructions successively in the middle part of cartridge upper surface
Lamp and LS-11 sockets, position switch cable detection circuit is connected in box body；
Motor braking cable detection circuit is installed E,：Installed successively in cartridge upper surface bottom motor braking line power switch,
Motor braking line indicator lamp, motor braking line socket and motor braking line plug, the inspection of motor braking cable is connected in box body
Slowdown monitoring circuit；
F, after proximity switch cable being detected into circuit, position switch cable detection circuit and motor braking cable detection circuit in parallel
It is connected in series with AC/DC change-over circuits；
G, the exposed terminals of tray interior are subjected to insulation processing；Encapsulation process is carried out to box case；Complete MW class wind
The installation of power generator group wheel hub cable detecting device.
8. the installation method of hub of megawatt wind generating set cable detecting device according to claim 7, its feature
It is, the proximity switch cable detection circuit, position switch cable detection circuit, motor braking cable detection circuit and AC/
DC change-over circuits are integrated on box body；When installing proximity switch cable detection circuit, with one piece of 40mm × 40mm iron
Block is arranged on the back side of the cartridge upper surface shell of hub of megawatt wind generating set cable detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065449.6A CN104865484B (en) | 2014-02-26 | 2014-02-26 | A kind of hub of megawatt wind generating set cable detecting device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065449.6A CN104865484B (en) | 2014-02-26 | 2014-02-26 | A kind of hub of megawatt wind generating set cable detecting device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104865484A CN104865484A (en) | 2015-08-26 |
| CN104865484B true CN104865484B (en) | 2017-11-14 |
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| CN201410065449.6A Expired - Fee Related CN104865484B (en) | 2014-02-26 | 2014-02-26 | A kind of hub of megawatt wind generating set cable detecting device and detection method |
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| CN104865484A (en) | 2015-08-26 |
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