CN108919074A - A kind of arc fault detection device of photovoltaic DC-to-AC converter - Google Patents
A kind of arc fault detection device of photovoltaic DC-to-AC converter Download PDFInfo
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- CN108919074A CN108919074A CN201810839977.0A CN201810839977A CN108919074A CN 108919074 A CN108919074 A CN 108919074A CN 201810839977 A CN201810839977 A CN 201810839977A CN 108919074 A CN108919074 A CN 108919074A
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of arc fault detection devices of photovoltaic DC-to-AC converter,Its structure includes detection warning device,Detection block,Fixing bolt,Engaging lug,Wire barrel,Photovoltaic inversion body,Control panel,Detection warning device is mounted on inside detection block,Detection block bottom is vertical at the top of photovoltaic inversion body to be connect,It is welded on the left of engaging lug right end and photovoltaic inversion body bottom end,Wire barrel rear end is vertical with photovoltaic inversion body front end to be connect,Fixing bolt is in turn connected into rectangle structure and is arranged at the top of photovoltaic inversion body,Control panel bottom is vertical at the top of photovoltaic inversion body right end to be connect,The device can carry out malfunction elimination to it by the variation of photovoltaic DC-to-AC converter electric current,The order of accuarcy of detection can be increased in this way,Simultaneously when photovoltaic DC-to-AC converter breaks down,The device being capable of automatic alarm,The convenience used can be increased in this way.
Description
Technical field
The present invention relates to photovoltaic DC-to-AC converter processing technology field, the arc fault of specifically a kind of photovoltaic DC-to-AC converter is examined
Survey device.
Background technique
In field of photovoltaic power generation, photovoltaic panel is typically installed at building roof, through moisture, wire insulation damage,
The reasons such as terminals loosening can generate direct-current arc phenomenon.Direct-current arc can generate high temperature open fire, and then cause fire.Thus exist
Field of photovoltaic power generation, photovoltaic DC-to-AC converter need to increase arc detection apparatus or support arc-detection function.
The arc fault detection device of photovoltaic DC-to-AC converter is carrying out in use, photovoltaic DC-to-AC converter can not break down again at present
When alarm automatically, the use value of equipment can be reduced in this way.
Summary of the invention
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of arc fault inspection of photovoltaic DC-to-AC converter
Survey device.
The present invention adopts the following technical scheme that realize：A kind of arc fault detection device of photovoltaic DC-to-AC converter, structure
Including detecting warning device, detection block, fixing bolt, engaging lug, wire barrel, photovoltaic inversion body, control panel, the detection report
Alarm device is mounted on inside detection block, and the detection block bottom is vertical at the top of photovoltaic inversion body to be connect, and the engaging lug is right
End is welded on the left of photovoltaic inversion body bottom end, and the wire barrel rear end is vertical with photovoltaic inversion body front end to be connect, described solid
Determine bolt and be in turn connected into rectangle structure to be arranged at the top of photovoltaic inversion body, the control panel bottom and photovoltaic inversion body
Vertical connection at the top of right end；The detection warning device is by monitoring device, control device, driving device, right puller system, alarm
Device, left puller system, intermediate gearing composition；The control device left end is vertical with monitoring device right end to be connect, described
It is fixedly connected on the left of control device right end and driving device bottom end, the driving device left end side and intermediate gearing bottom
Right end is sequentially connected, and is meshed on the right side of intermediate gearing top left trailing flank and Zola's power the bottom of the device, institute
It states and is connected to warning device left end bottom at the top of left puller system right end, the right puller system bottom left end and intermediate transmission fill
Top set portion right end trailing flank is meshed, and is connected to warning device right end bottom at the top of the right puller system left end.
As optimization, the monitoring device is by photovoltaic DC-to-AC converter anode connector, photovoltaic DC-to-AC converter positive terminal, current sense
Device, conducting wire, monitoring lamp group are at the photovoltaic DC-to-AC converter anode connector is wired to current sensor cathode, the electricity
Flow sensor anode is wired to monitoring lamp cathode, and the monitoring lamp anode is by being wired to photovoltaic inversion
Device positive terminal.
As optimization, the control device is by push rod, towed electromagnet, programmable controller, the second conducting wire, power supply group
At the push rod left end is vertical with towed electromagnet right end to be connect, fixed on the left of the push rod right end and driving device bottom end
Connection, the towed electromagnet anode are connected to power cathode by the second conducting wire, and the positive pole passes through the second conducting wire
It is connected to current sensor cathode, the current sensor anode is connected to programmable controller cathode, institute by the second conducting wire
It states programmable controller anode and towed electromagnet cathode is connected to by the second conducting wire.
As optimization, the driving device is connected by the second programmable controller, external power supply, right contact, left contact, anode
End, motor, cathode connecting pin, privates composition are connect, the motor front end is described equipped with anode connection terminal and cathode connecting pin
Cathode connecting pin is connected to the second programmable controller anode by privates, and the second programmable controller cathode passes through
Privates is connected to external power supply anode, and the external power supply cathode is connected on the right side of right contact by privates, described
Right contact top left hand is connected to anode connection terminal, the motor left end side and intermediate gearing bottom by privates
Right end is sequentially connected.
As optimization, the right puller system is by toothed disc, transmission belt, runner, stayed mast, the second runner, pull strap, tooth
Wheel, pulling force gear, stayed mast, elevator, locating wheel, pulling force rope, the second locating wheel, third locating wheel composition, the transmission belt
Both ends are connected respectively to toothed disc and runner front end side, and described stayed mast one end is connected on rear side of runner outer ring, and the other end is solid
On rear side of the second runner outer ring, second runner front end side carries out transmission company by pull strap and gear front end side
It connects, is meshed on the left of the gear on the right side of pulling force gear, described stayed mast one end is connected on front side of pulling force gear bottom end, another
Elevator top is fixed at end, and described pulling force rope one end is connected to elevator bottom end, and the other end is around locating wheel, the second positioning
Wheel, third locating wheel are connected to warning device left end bottom, the toothed disc left end front side and right end at the top of intermediate gearing
Trailing flank is meshed.
As optimization, the warning device is made of alarm, fixed pulley, clamping frame, release link, connecting plate, upper frame, described
Be fixedly connected inside alarm front end side and clamping frame, clamping frame both ends bottom be equipped with fixed pulley, the release link bottom with
Vertical connection at the top of clamping frame both ends, the release link top are fixedly connected with connecting plate bottom, the connecting plate top and upper frame
Bottom welding.
As optimization, the left puller system is by left gear disk, linkage, driving gear, driven gear, compound pulling force
Bar, combined wheels, longitudinal transmission belt, rotating wheel, comprehensive transmission belt, top gear, the second top gear, the first deflecting roller, Zola
Power bar, left elevator, left pulling force rope, the second deflecting roller, third deflecting roller composition, the left gear disk right end front side are passed with intermediate
Dynamic device top left trailing flank is meshed, and the linkage both ends are connected respectively to left gear disk and driving gear front end side
Face, the driving gear top side are meshed with driven gear bottom side, driven gear front end side by compound stayed mast with
Combined wheels front end side is sequentially connected, and the rotating wheel both ends are connected respectively to combined wheels and rotate wheel side, and described turn
Driving wheel front end side is sequentially connected by comprehensive transmission belt with top gear front end side, the top gear bottom side and the
Two top gear top sides are meshed, and described left stayed mast one end is connected on front side of the second top gear bottom end, and the other end is fixed on
Left elevator top, described left pulling force rope one end are connected to left elevator bottom end, and the other end turns to around the second deflecting roller, third
Wheel, the first deflecting roller are connected to fixed pulley bottom inner portion.
As optimization, the intermediate gearing is by driving gear, lateral transmission belt, longitudinal drive rod, right interlocking bar, a left side
Interlocking bar composition, the driving gear front end side face carry out transmission company by lateral transmission belt and longitudinal drive rod bottom end side
It connects, the longitudinal direction drive rod top left hand is meshed with Left-wing Federation's lever right end bottom side, on the right side of the longitudinal direction drive rod top and right
Interlocking bar left end bottom side is meshed.
Beneficial effect
A kind of arc fault detection device of photovoltaic DC-to-AC converter of the present invention is carrying out in use, we pass through current sense
Device detects photovoltaic DC-to-AC converter anode connector and the electric current of photovoltaic DC-to-AC converter positive terminal, when current sensor is according to electric current
Variation when detecting arc fault, programmable controller will control towed electromagnet and turn right stretching, push rod toward moving right,
Together with left contact, the circuit of motor is switched on right contact, and the second programmable controller control motor is rotated, electricity
Machine generates driving torque and drives the rotation of sliding tooth wheel, and driving gear passes through lateral transmission belt and pulls longitudinal drive rod rotation, longitudinal
Drive rod can drive right interlocking bar to rotate together with Left-wing Federation lever simultaneously, and right interlocking bar is able to drive toothed disc rotation, gear
Disk pulls runner rotation by transmission belt, and runner is controlled by the transmission between stayed mast, the second runner, pull strap, gear and drawn
Powershift gear rotates, and for pulling force gear by stayed mast by the past pull-up of elevator, elevator passes through pulling force rope for the past drop-down of clamping frame, the Left-wing Federation
Lever is able to drive the rotation of left gear disk, and left gear disk drives driving gear to rotate by linkage, and it is passive that driving gear passes through
Gear, compound stayed mast, combined wheels, longitudinal transmission belt, rotating wheel, comprehensive transmission belt, the transmission control between top gear the
The rotation of two top gears, for the second top gear by left stayed mast by the past pull-up of left elevator, left elevator passes through left pulling force rope
By clamping frame toward drop-down, such alarm just will do it alarm, can increase the convenience used in this way, and monitoring device can be to light
The curent change of volt inverter is monitored, and control device can connect the electricity of driving device in photovoltaic DC-to-AC converter arc fault
Source works, and intermediate gearing can drive simultaneously right puller system to work with left puller system, right puller system
The Push And Release of warning device can be controlled with left puller system.
Compared with prior art, the beneficial effects of the invention are as follows：The device can pass through the variation of photovoltaic DC-to-AC converter electric current
Malfunction elimination is carried out to it, can increase the order of accuarcy of detection in this way, while when photovoltaic DC-to-AC converter breaks down, it should
Device can automatic alarm, the convenience used can be increased in this way.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural schematic diagram of the arc fault detection device of photovoltaic DC-to-AC converter of the present invention.
Fig. 2 is the structural schematic diagram of present invention detection warning device.
Fig. 3 is the structural schematic diagram of present invention detection warning device refinement.
Fig. 4 is the structural schematic diagram of present invention detection warning device working condition.
In figure：Detect warning device 1, detection block 2, fixing bolt 3, engaging lug 4, wire barrel 5, photovoltaic inversion body 6, control
Panel 7, monitoring device 11, control device 12, driving device 13, right puller system 14, warning device 15, left puller system 16,
Intermediate gearing 17, photovoltaic DC-to-AC converter anode connector 111, photovoltaic DC-to-AC converter positive terminal 112, current sensor 113, conducting wire
114, lamp 115, push rod 121, towed electromagnet 122, programmable controller 123, the second conducting wire 124, power supply 125, the are monitored
Two programmable controllers 131, external power supply 132, right contact 133, left contact 134, anode connection terminal 135, motor 136, cathode
Connecting pin 137, privates 138, toothed disc 141, transmission belt 142, runner 143, stayed mast 144, the second runner 145, pulling force
Band 146, gear 147, pulling force gear 148, stayed mast 149, elevator 1410, locating wheel 1411, pulling force rope 1412, second position
Take turns 1413, third locating wheel 1414, alarm 151, fixed pulley 152, clamping frame 153, release link 154, connecting plate 155, upper frame
156, left gear disk 161, linkage 162, driving gear 163, driven gear 164, compound stayed mast 165, combined wheels 166, vertical
To transmission belt 167, rotating wheel 168, comprehensive transmission belt 169, top gear 1610, the second top gear 1611, the first deflecting roller
1612, left stayed mast 1613, left elevator 1614, left pulling force rope 1615, the second deflecting roller 1616, third deflecting roller 1617, drive
Moving gear 171, lateral transmission belt 172, longitudinal drive rod 173, right interlocking bar 174, Left-wing Federation's lever 175.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of arc fault detection device technical solution of photovoltaic DC-to-AC converter：Its structure
Including detecting warning device 1, detection block 2, fixing bolt 3, engaging lug 4, wire barrel 5, photovoltaic inversion body 6, control panel 7, institute
Detection warning device 1 to be stated to be mounted on inside detection block 2,2 bottom of detection block is vertical with 6 top of photovoltaic inversion body to be connect,
It is welded on the left of 4 right end of engaging lug and 6 bottom end of photovoltaic inversion body, 5 rear end of wire barrel and 6 front end of photovoltaic inversion body
Vertical connection, the fixing bolt 3 are in turn connected into rectangle structure and are arranged in 6 top of photovoltaic inversion body, the control panel 7
Bottom is vertical at the top of 6 right end of photovoltaic inversion body to be connect；The detection warning device 1 by monitoring device 11, control device 12,
Driving device 13, right puller system 14, warning device 15, left puller system 16, intermediate gearing 17 form；The control dress
Set that 12 left ends are vertical with 11 right end of monitoring device to be connect, it is fixed on the left of 12 right end of control device and 13 bottom end of driving device to connect
It connects, 13 left end side of driving device is sequentially connected with 17 bottom right end of intermediate gearing, the intermediate transmission dress
It sets and is meshed on the right side of 17 top left trailing flanks and left 16 bottom end of puller system, be connected at the top of left 16 right end of puller system
15 left end bottom of warning device, the right 14 bottom left end of puller system are mutually nibbled with 17 top right end trailing flank of intermediate gearing
It closes, is connected to 15 right end bottom of warning device at the top of right 14 left end of puller system, the monitoring device 11 is by photovoltaic inversion
Device anode connector 111, photovoltaic DC-to-AC converter positive terminal 112, current sensor 113, conducting wire 114, monitoring lamp 115 form, described
Photovoltaic DC-to-AC converter anode connector 111 is connected to 113 cathode of current sensor, 113 anode of current sensor by conducting wire 114
It is connected to monitoring 115 cathode of lamp by conducting wire 114,115 anode of monitoring lamp is by being connected to photovoltaic inversion by conducting wire 114
Device positive terminal 112, the control device 12 are led by push rod 121, towed electromagnet 122, programmable controller 123, second
Line 124, power supply 125 form, and 121 left end of push rod is vertical with towed 122 right end of electromagnet to be connect, and the push rod 121 is right
It is fixedly connected on the left of end and 13 bottom end of driving device, towed 122 anode of electromagnet is connected to electricity by the second conducting wire 124
125 cathode of source, 125 anode of power supply are connected to 113 cathode of current sensor, the current sense by the second conducting wire 124
113 anode of device is connected to 123 cathode of programmable controller by the second conducting wire 124, and 123 anode of programmable controller passes through
Second conducting wire 124 is connected to towed 122 cathode of electromagnet, and the driving device 13 is by the second programmable controller 131, outside
Power supply 132, right contact 133, left contact 134, anode connection terminal 135, motor 136, cathode connecting pin 137,138 groups of privates
At equipped with anode connection terminal 135 and cathode connecting pin 137, the cathode connecting pin 137 passes through third for 136 front end of motor
Conducting wire 138 is connected to 131 anode of the second programmable controller, and 131 cathode of the second programmable controller passes through privates
138 are connected to 132 anode of external power supply, and 132 cathode of external power supply is connected to right 133 right side of contact by privates 138
Side, right 133 top left hand of contact are connected to anode connection terminal 135,136 left end side of motor by privates 138
Face is sequentially connected with 17 bottom right end of intermediate gearing, the right puller system 14 by toothed disc 141, transmission belt 142,
Runner 143, stayed mast 144, the second runner 145, pull strap 146, gear 147, pulling force gear 148, stayed mast 149, elevator
1410, locating wheel 1411, pulling force rope 1412, the second locating wheel 1413, third locating wheel 1414 form, 142 liang of the transmission belt
End is connected respectively to toothed disc 141 and 143 front end side of runner, after described 144 one end of stayed mast is connected to 143 outer ring of runner
Side, the other end are fixed on rear side of 145 outer ring of the second runner, and the 145 front end side of the second runner passes through pull strap 146 and gear
147 front ends side are sequentially connected, 147 left side of the gear be meshed on the right side of pulling force gear 148, the stayed mast 149
One end is connected on front side of 148 bottom end of pulling force gear, and the other end is fixed on 1410 top of elevator, and described 1412 one end of pulling force rope connects
It is connected to 1410 bottom end of elevator, the other end is connected to report around locating wheel 1411, the second locating wheel 1413, third locating wheel 1414
15 left end bottom of alarm device, 141 left end of the toothed disc front side are meshed with 17 top right end trailing flank of intermediate gearing, institute
It states warning device 15 to be made of alarm 151, fixed pulley 152, clamping frame 153, release link 154, connecting plate 155, upper frame 156, institute
It states and is fixedly connected inside 151 front end side of alarm and clamping frame 153, the 153 both ends bottom of clamping frame is equipped with fixed pulley 152, institute
State it is vertical at the top of 154 bottom of release link and 153 both ends of clamping frame connect, fixed at the top of the release link 154 with 155 bottom of connecting plate
Connection, 155 top of connecting plate are welded with 156 bottom of upper frame, and the left puller system 16 is by left gear disk 161, linkage
162, driving gear 163, driven gear 164, compound stayed mast 165, combined wheels 166, longitudinal transmission belt 167, rotating wheel 168,
Comprehensive transmission belt 169, top gear 1610, the second top gear 1611, the first deflecting roller 1612, left stayed mast 1613, Zuo Sheng
It drops block 1614, left pulling force rope 1615, the second deflecting roller 1616, third deflecting roller 1617 to form, before 161 right end of left gear disk
Side is meshed with 17 top left trailing flank of intermediate gearing, and 162 both ends of linkage are connected respectively to left gear disk 161
With 163 front end side of driving gear, 163 top side of driving gear is meshed with 164 bottom side of driven gear, the driven gear
164 front ends side are sequentially connected by compound stayed mast 165 and 166 front end side of combined wheels, 168 both ends of rotating wheel
Combined wheels 166 and 168 side of rotating wheel are connected respectively to, the 168 front end side of rotating wheel passes through comprehensive transmission belt 169 and top
Gear 1610 front end side in portion's is sequentially connected, and 1610 bottom side of top gear is mutually nibbled with 1611 top side of the second top gear
It closes, described left 1613 one end of stayed mast is connected on front side of 1611 bottom end of the second top gear, and the other end is fixed on left elevator
1614 tops, described left 1615 one end of pulling force rope are connected to left 1614 bottom end of elevator, the other end around the second deflecting roller 1616,
Third deflecting roller 1617, the first deflecting roller 1612 are connected to 152 bottom inner portion of fixed pulley, and the intermediate gearing 17 is by driving
Gear 171, lateral transmission belt 172, longitudinal drive rod 173, right interlocking bar 174, Left-wing Federation's lever 175 form, the driving gear
171 front ends side are sequentially connected by lateral transmission belt 172 and 173 bottom end side of longitudinal drive rod, longitudinal transmission
173 top left hand of bar is meshed with 175 right end bottom side of Left-wing Federation lever, on the right side of longitudinal direction 173 top of drive rod with right interlocking bar
174 left ends bottom side are meshed.
It is carrying out in use, we pass through current sensor 113 to photovoltaic DC-to-AC converter anode connector 111 and photovoltaic DC-to-AC converter
The electric current of positive terminal 112 is detected, and when current sensor 113 detects arc fault according to the variation of electric current, can be compiled
Range controller 123 will control towed electromagnet 122 and turn right stretching, and push rod 121 is toward moving right, right contact 133 and left contact
134 contact, and the circuit of motor 136 is switched on, and the second programmable controller 131 control motor 136 is rotated, motor
136, which generate driving torque, drives driving gear 171 to rotate, and driving gear 171 passes through lateral transmission belt 172 and pulls longitudinal drive rod
173 rotations, longitudinal drive rod 173 can drive right interlocking bar 174 to rotate together with Left-wing Federation lever 175 simultaneously, right interlocking bar 174
It is able to drive the rotation of toothed disc 141, toothed disc 141 pulls runner 143 to rotate by transmission belt 142, and runner 143 passes through stayed mast
144, the second runner 145, pull strap 146, the transmission control pulling force gear 148 between gear 147 rotate, and pulling force gear 148 is logical
Stayed mast 149 is crossed by elevator 1410 toward pull-up, for elevator 1410 by pulling force rope 1412 by the past drop-down of clamping frame 153, the Left-wing Federation is dynamic
Bar 175 is able to drive the rotation of left gear disk 161, and left gear disk 161 drives driving gear 163 to rotate by linkage 162, actively
Gear 163 passes through driven gear 164, compound stayed mast 165, combined wheels 166, longitudinal transmission belt 167, rotating wheel 168, comprehensive biography
Transmission between dynamic band 169, top gear 1610 controls the rotation of the second top gear 1611, and the second top gear 1611 passes through a left side
Stayed mast 1613 by left elevator 1614 toward pull-up, left elevator 1614 by left pulling force rope 1615 by clamping frame 153 toward drop-down, this
Sample alarm 151 just will do it alarm, can increase the convenience used in this way, and monitoring device 11 can be to photovoltaic DC-to-AC converter
Curent change is monitored, and the power supply that control device 12 can connect driving device 13 in photovoltaic DC-to-AC converter arc fault carries out
Work, intermediate gearing 17 can drive right puller system 14 to work with left puller system 16 simultaneously, right puller system
14 can control the Push And Release of warning device 15 with left puller system 16.
The technological progress that the present invention obtains compared with the prior art is：The device can pass through the variation of photovoltaic DC-to-AC converter electric current
Malfunction elimination is carried out to it, can increase the order of accuarcy of detection in this way, while when photovoltaic DC-to-AC converter breaks down, it should
Device can automatic alarm, the convenience used can be increased in this way.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (8)
1. a kind of arc fault detection device of photovoltaic DC-to-AC converter, structure include detection warning device, detection block, fixing bolt,
Engaging lug, wire barrel, photovoltaic inversion body, control panel, it is characterised in that：
The detection warning device is mounted on inside detection block, and the detection block bottom is vertical at the top of photovoltaic inversion body to be connected
It connects, is welded on the left of the engaging lug right end and photovoltaic inversion body bottom end, the wire barrel rear end and photovoltaic inversion body front end
Vertical connection, the fixing bolt are in turn connected into rectangle structure and are arranged at the top of photovoltaic inversion body, the control panel bottom
Portion is vertical at the top of photovoltaic inversion body right end to be connect；
The detection warning device is filled by monitoring device, control device, driving device, right puller system, warning device, Zola's power
It sets, intermediate gearing composition；
The control device left end is vertical with monitoring device right end to be connect, on the left of the control device right end and driving device bottom end
It is fixedly connected, the driving device left end side is sequentially connected with intermediate gearing bottom right end, the intermediate transmission
It is meshed on the right side of device top left trailing flank and Zola's power the bottom of the device, is connected to alarm at the top of the left puller system right end
Device left end bottom, the right puller system bottom left end are meshed with right end trailing flank at the top of intermediate gearing, the right side
Warning device right end bottom is connected at the top of puller system left end.
2. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The monitoring
Device is by photovoltaic DC-to-AC converter anode connector, photovoltaic DC-to-AC converter positive terminal, current sensor, conducting wire, monitoring lamp group at the light
Volt inverter anode connector is wired to current sensor cathode, and the current sensor anode is wired to
Lamp cathode is monitored, the monitoring lamp anode is by being wired to photovoltaic DC-to-AC converter positive terminal.
3. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The control
Device is made of push rod, towed electromagnet, programmable controller, the second conducting wire, power supply, the push rod left end and towed electricity
Magnet right end vertically connects, and is fixedly connected on the left of the push rod right end and driving device bottom end, the towed electromagnet anode
It is connected to power cathode by the second conducting wire, the positive pole is connected to current sensor cathode by the second conducting wire, described
Current sensor anode is connected to programmable controller cathode by the second conducting wire, and the programmable controller anode passes through second
Conducting wire is connected to towed electromagnet cathode.
4. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The driving
Device is by the second programmable controller, external power supply, right contact, left contact, anode connection terminal, motor, cathode connecting pin, third
Conducting wire composition, the motor front end are connected equipped with anode connection terminal and cathode connecting pin, the cathode connecting pin by privates
It is connected to the second programmable controller anode, the second programmable controller cathode is being connected to external power supply just by privates
Pole, the external power supply cathode are connected on the right side of right contact by privates, and the right contact top left hand is led by third
Line is connected to anode connection terminal, and the motor left end side is sequentially connected with intermediate gearing bottom right end.
5. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The right drawing
Power device is by toothed disc, transmission belt, runner, stayed mast, the second runner, pull strap, gear, pulling force gear, stayed mast, lifting
Block, locating wheel, pulling force rope, the second locating wheel, third locating wheel composition, the transmission belt both ends are connected respectively to toothed disc and turn
Front end side is taken turns, described stayed mast one end is connected on rear side of runner outer ring, and the other end is fixed on rear side of the second runner outer ring, described
Second runner front end side is sequentially connected by pull strap and gear front end side, right with pulling force gear on the left of the gear
Side is meshed, and described stayed mast one end is connected on front side of pulling force gear bottom end, and the other end is fixed on elevator top, the pulling force
Rope one end is connected to elevator bottom end, and the other end is connected to a warning device left side around locating wheel, the second locating wheel, third locating wheel
Bottom is held, is meshed on front side of the toothed disc left end with right end trailing flank at the top of intermediate gearing.
6. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1 or 5, it is characterised in that：It is described
Warning device is made of alarm, fixed pulley, clamping frame, release link, connecting plate, upper frame, alarm front end side and clamping frame
Inside is fixedly connected, and clamping frame both ends bottom is equipped with fixed pulley, and the release link bottom is vertical at the top of clamping frame both ends to be connect,
It is fixedly connected at the top of the release link with connecting plate bottom, is welded at the top of the connecting plate with upper frame bottom.
7. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The Zola
Power device is by left gear disk, linkage, driving gear, driven gear, compound stayed mast, combined wheels, longitudinal transmission belt, rotation
Wheel, comprehensive transmission belt, top gear, the second top gear, the first deflecting roller, left stayed mast, left elevator, left pulling force rope, the
Two deflecting rollers, third deflecting roller composition, the left gear disk right end front side are mutually nibbled with intermediate gearing top left trailing flank
Close, the linkage both ends are connected respectively to left gear disk and driving gear front end side, the driving gear top side with passively
Gear bottom side is meshed, and driven gear front end side carries out transmission company by compound stayed mast and combined wheels front end side
It connects, the rotating wheel both ends are connected respectively to combined wheels and rotation wheel side, and rotating wheel front end side passes through comprehensive transmission
Band is sequentially connected with top gear front end side, and the top gear bottom side is meshed with the second top gear top side, institute
It states left stayed mast one end to be connected on front side of the second top gear bottom end, the other end is fixed on left elevator top, Zola's power
Rope one end is connected to left elevator bottom end, and the other end is connected to around the second deflecting roller, third deflecting roller, the first deflecting roller and determines cunning
Take turns bottom inner portion.
8. a kind of arc fault detection device of photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：The centre
Transmission device is made of driving gear, lateral transmission belt, longitudinal drive rod, right interlocking bar, Left-wing Federation's lever, before the driving gear
End side surface is sequentially connected by lateral transmission belt and longitudinal drive rod bottom end side, the longitudinal direction drive rod top left hand and
Left-wing Federation's lever right end bottom side is meshed, and is meshed on the right side of the longitudinal direction drive rod top with right interlocking bar left end bottom side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810839977.0A CN108919074A (en) | 2018-07-27 | 2018-07-27 | A kind of arc fault detection device of photovoltaic DC-to-AC converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810839977.0A CN108919074A (en) | 2018-07-27 | 2018-07-27 | A kind of arc fault detection device of photovoltaic DC-to-AC converter |
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| CN108919074A true CN108919074A (en) | 2018-11-30 |
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| CN201810839977.0A Withdrawn CN108919074A (en) | 2018-07-27 | 2018-07-27 | A kind of arc fault detection device of photovoltaic DC-to-AC converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187247A (en) * | 2019-06-13 | 2019-08-30 | 湖州师范学院 | A kind of arc fault detection systems and detection method of photovoltaic DC-to-AC converter |
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| CN104428968A (en) * | 2012-07-26 | 2015-03-18 | 埃伦贝格尔及珀恩斯根有限公司 | Device for the safe switching of a photovoltaic system |
| CN106154120A (en) * | 2015-03-25 | 2016-11-23 | 台达电子企业管理（上海）有限公司 | The method for detecting arc of photovoltaic DC-to-AC converter, device and photovoltaic DC-to-AC converter |
| CN107026411A (en) * | 2017-05-27 | 2017-08-08 | 国网福建省电力有限公司 | The intelligent protection device and its implementation of a kind of armouring power high voltage equipment internal discharge failure |
| CN107728012A (en) * | 2016-08-11 | 2018-02-23 | Abb瑞士股份公司 | Arc fault detection equipment for direct current electrical bus |
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| CN104428968A (en) * | 2012-07-26 | 2015-03-18 | 埃伦贝格尔及珀恩斯根有限公司 | Device for the safe switching of a photovoltaic system |
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