CN107576885A - Device for detecting polarity for metering transformer secondary circuit - Google Patents
Device for detecting polarity for metering transformer secondary circuit Download PDFInfo
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- CN107576885A CN107576885A CN201710731122.1A CN201710731122A CN107576885A CN 107576885 A CN107576885 A CN 107576885A CN 201710731122 A CN201710731122 A CN 201710731122A CN 107576885 A CN107576885 A CN 107576885A
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- transformer secondary
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Abstract
The present invention relates to a kind of mutual inductor testing apparatus, more particularly to a kind of device for detecting polarity for metering transformer secondary circuit.It is an object of the invention to overcome drawbacks described above, it is proposed that a kind of device for detecting polarity for metering transformer secondary circuit, need not go deep into high-voltage metering cubicle working by setting telescopic Press Plier, during detection, security performance is substantially improved.The present invention includes box body, including is fixed on the battery of tray interior, and is symmetricly set on the line roller for being used to store wire of battery both sides and the handle slot for fixing telescopic Press Plier；Two telescopic Press Pliers, including the flexible pars contractilis of the handle portion that is correspondingly arranged with handle slot, control caliper, the jaw for clamping measurement end；Described two handle portion respective sides are all connected with wire, are connected respectively with the both positive and negative polarity of battery after the winding of wire warp roller.
Description
Technical field
The present invention relates to a kind of mutual inductor testing apparatus, more particularly to a kind of polarity for metering transformer secondary circuit
Detection means.
Background technology
For power consumer when handling the business such as industry expands new clothes, mulual inductor malfunction is changed, electric-power metering staff is to ensure
Metering device normal operation to the second loop return wiring situation for measuring PT, CT and mutual inductor polarity newly installed, it is necessary to carry out
Check and test., it is necessary to apply an operating voltage in transformer primary side during polarity test, while make in transformer secondary side
Observed with pointer multimeter, judge whether mutual inductor polarity is correct by the direction of the universal meter beat of pointer.
Conventional polar test pattern needs 2 people's mutual cooperations are common to complete, wherein 1 people operates in transformer primary side,
Another 1 people observes test result in transformer secondary side.Because measuring equipment layout is full in cabinet, operation difficulty is big, detects success rate
It is low.Transformer primary side operating personnel need to get into body inside metering cabinet, due to metering cabinet narrow space, a busbar,
Metering PT, CT is crisscross, and tester inevitably touches a side bus in inspection test procedure, if bus
It is powered that great hidden danger will be caused to personal security.
The content of the invention
It is an object of the invention to overcome drawbacks described above, it is proposed that a kind of polarity for metering transformer secondary circuit is examined
Device is surveyed, need not go deep into high-voltage metering cubicle working by setting telescopic Press Plier, during detection, security performance is substantially improved.
The present invention is realized using following technical scheme：
A kind of device for detecting polarity for metering transformer secondary circuit, including：Box body, including it is fixed on tray interior
Battery, and be symmetricly set on battery both sides be used for store the line roller of wire and for fixing telescopic Press Plier
Handle slot；Two telescopic Press Pliers, including flexible flexible of the handle portion that is correspondingly arranged with handle slot, control caliper
Portion, the jaw for clamping measurement end；Described two handle portion respective sides are all connected with wire, after the winding of wire warp roller respectively with
The both positive and negative polarity connection of battery.
Described, handle portion includes：First stroke handle, first stroke handle one end connect wheel of actively having an effect；It is driven by
Wheels, it is driven by fixing right follower lever on wheels；Second stroke handle, second stroke handle one end connecting bushing are solid on axle sleeve
Fixed left follower lever corresponding with right follower lever；The active have an effect wheel, it is driven be sleeved on by wheels, axle sleeve on axle, actively send out
Wheels is engaged connection by wheels with driven by gear, be connected on the first stroke handle control actively have an effect wheel with it is driven by
Wheels engages the reset controller with separating.
Described, pars contractilis includes multigroup parallel four-bar linkage being hinged successively, parallel four-bar linkage one end and a left side
Follower lever, right follower lever are hinged, and the other end is hinged with jaw, control jaw folding, and pars contractilis side sets tension spring, pulling force
With being connected at the top of handle portion, the other end is connected spring one end with jaw bottom.
When the first stroke handle, the second stroke handle palm effect under close to when, actively have an effect wheel with it is driven by wheels
For engagement, wheel of actively having an effect drives driven stress wheel to rotate, and pars contractilis stretches out under handle portion effect makes jaw clamp survey
Measure primary side busbar；After measurement, the first stroke handle, the second stroke handle are unclamped, under the pulling force effect of tension spring,
Telescopic Press Plier is retracted automatically.
Described, jaw medial surface is fixed for measuring the measuring device with electricity of primary side busbar, the live detection dress
Put and be connected with reset controller by wireless communication apparatus.
When measuring device with electricity detection busbar is powered, reset signal is sent to reset controller, reset controller makes master
Dynamic wheel of having an effect is departed from driven by wheels, and pars contractilis loses handle portion support after disengaging, under the pulling force effect of tension spring, stretches
Contracting formula Press Plier is retracted automatically.
Described, vibrator, range radar, alarm lamp are fixed on the second stroke handle, wire is passed through by battery
Connection power supply.
Range radar is set to be used to detect the distance with object in metering cabinet on second stroke handle, when range radar and cabinet
When interior distance is less than arranges value, alarm lamp alarm, while vibrator vibrates, and prompts staff to keep pacifying with Devices to test
Full distance.
Described, line roller one end is connected with motor output shaft, the rotation of motor control line roller, sets controlled motor to revolve on box body
The folding and unfolding operating key turned.
Folding and unfolding operating key is pressed, wire, two telescopic Press Pliers will be automatically retracted in the presence of the online roller motor of line roller
Handle slot corresponding to insertion.
Described, corresponding first stroke handle, the second stroke handle set card handle device in handle slot, and control is set on box body
Fabrication handle device folding takes bar operating key.
Card handle device is set in handle slot, is easy to fix the first stroke handle, the second stroke handle, presses during use and takes bar
Operating key, card handle device separate with the first stroke handle, the second stroke handle, are easy to take out the first stroke handle, the second stroke hand
Handle.
The beneficial effects of the invention are as follows：
(1) device for detecting polarity of the present invention for metering transformer secondary circuit, is provided with vibrator, ranging
Radar, alarm lamp, when less than range radar setpoint distance, device will send alarm light and vibration reminding, security
It can greatly improve；
(2) device for detecting polarity of the present invention for metering transformer secondary circuit, sets telescopic Press Plier,
It need not go deep into high-voltage metering cubicle working, security performance is substantially improved；
(3) device for detecting polarity of the present invention for metering transformer secondary circuit, it is provided for surveying at jaw
The measuring device with electricity of primary side busbar is measured, measuring device with electricity is connected with reset controller by wireless communication apparatus, is detected
To after charged signal, reset controller makes the active of telescopic Press Plier wheel of having an effect be separated with driven by wheels, and then in pulling force
Actively depart under spring effect with charging equipment, security performance is excellent.
Brief description of the drawings
Fig. 1 is a kind of example structure schematic diagram；
Fig. 2 is A portion structure schematic diagrames；
In figure：1st, box body；2nd, battery；3rd, line roller；4th, handle slot；5th, pars contractilis；6th, jaw；7th, the first stroke hand
Handle；8th, right follower lever；9th, the second stroke handle；10th, left follower lever；11st, reset controller；12nd, parallel four-bar linkage；13、
Tension spring；14th, measuring device with electricity；15th, vibrator；16th, range radar；17th, alarm lamp；18th, card handle device.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1-2, the device for detecting polarity of the present invention for metering transformer secondary circuit includes：Box body
1, including the battery 2 of tray interior is fixed on, and it is symmetricly set on the line roller 3 for being used to store wire of the both sides of battery 2
With the handle slot 4 for fixing telescopic Press Plier；Two telescopic Press Pliers, including the hand being correspondingly arranged with handle slot
The flexible pars contractilis 5 of shank, control caliper, the jaw 6 for clamping measurement end；Described two handle portion respective sides are all connected with leading
Line, the both positive and negative polarity after the winding of wire warp roller 3 respectively with battery 2 are connected.The handle portion includes：First stroke handle 7, the
One stroke handle one end connects wheel of actively having an effect；It is driven by wheels, it is driven by fixing right follower lever 8 on wheels；Second stroke hand
Handle 9, one end connecting bushing of the second stroke handle 9, fixed left follower lever 10 corresponding with right follower lever 8 on axle sleeve；The active
Have an effect wheel, it is driven be sleeved on by wheels, axle sleeve on axle, wheel of actively having an effect with driven is engaged connection by wheels by gear, the
It is connected to control actively have an effect wheel and the driven reset controller 11 for being engaged and being separated by wheels on one stroke handle 7.It is described
Pars contractilis includes multigroup be hinged parallel four-bar linkage 12 successively, the one end of parallel four-bar linkage 12 and left follower lever, it is right from
Lever is hinged, and the other end is be hinged with jaw 6, controls jaw folding, and pars contractilis side sets tension spring 13, tension spring 13 1
With being connected at the top of handle portion, the other end is connected with jaw bottom at end.
The medial surface of jaw 6 is fixed for measuring the measuring device with electricity 14 of primary side busbar, the measuring device with electricity 14
It is connected with reset controller 11 by wireless communication apparatus；Fixed on the second stroke handle vibrator 15, range radar 16,
Alarm lamp 17, connected and powered by wire by battery 2；The one end of line roller 3 is connected with motor output shaft, motor control line roller
3 rotate, the folding and unfolding operating key for setting controlled motor to rotate on box body；Corresponding first stroke handle 7 in the handle slot 4, the
Two stroke handles 9 set card handle device 18, and control card handle device folding is set on box body takes bar operating key.
When the first stroke handle 7, the second stroke handle 9 are close under palm effect, actively have an effect wheel and driven stress
Take turns as engagement, wheel of actively having an effect drives driven stress wheel to rotate, and pars contractilis 5 stretches out under handle portion effect presss from both sides jaw 6
Firmly measure primary side busbar；After measurement, the first stroke handle 7, the second stroke handle 9 are unclamped, in the drawing of tension spring 13
Under power effect, telescopic Press Plier is retracted automatically.
When the detection primary side busbar of measuring device with electricity 14 is powered, reset signal is sent to reset controller 11, is resetted
Controller 11 makes actively to have an effect to take turns by wheels to be departed from driven, and pars contractilis 5 loses handle portion support after disengaging, in tension spring 13
Pulling force effect under, telescopic Press Plier is retracted automatically.
Set range radar 16 to be used to detect the distance with object in metering cabinet on second stroke handle 9, work as range radar
16 with cabinet in distance be less than arranges value when, alarm lamp 17 is alarmed, while vibrator 15 vibrates, prompting staff with it is to be measured
Equipment keeps safe distance.
When equipment is packed up, folding and unfolding operating key is pressed, line roller 3 will automatically retract wire in the presence of motor, and two flexible
Handle slot 4 corresponding to the insertion of formula Press Plier, card handle device 18 is set in handle slot 4, is easy to fix the first stroke handle 7, the
Two stroke handles 9, equipment take bar operating key in use, pressing, and card handle device 18 divides with the first stroke handle 7, the second stroke handle 9
From, be easy to take out the first stroke handle 7, the second stroke handle 9.
The use process of the present invention is as described below：
Pressed first before work and take bar operating key, the card handle device in handle slot is packed up, by the first stroke handle, the second row
Journey handle is taken out, and wire is released by line roller, and now both hands hold the first stroke handle, the second stroke handle respectively, and operation is flexible
Portion stretch out, jaw is insinuated into metering cabinet, reliably crimped with primary side busbar to be detected respectively, battery by wire with
Primary side busbar to be detected forms loop, now judges transformer pole in the direction of the secondary side observation universal meter beat of pointer
Whether property is correct；When disconnecting polarity test Operation switch, equally sentence in the direction of the secondary side observation universal meter beat of pointer
Whether disconnected mutual inductor polarity is correct.
After polarity test work is completed, the first stroke handle, the second stroke handle are unclamped, pars contractilis is in tension spring
Effect is lower to reset automatic retraction, now presses folding and unfolding operating key, and line roller automatically retracts wire in the presence of motor, and take-up is remaining
The first stroke handle, the second stroke handle are inserted into corresponding handle slot during 10cm, entirely flexible compression joint type device for detecting polarity
An entirety will be turned into, be easy to carry and store.
Certainly, the above is only presently preferred embodiments of the present invention, it is impossible to is considered as limiting the implementation to the present invention
Example scope.The present invention is also not limited to the example above, essential scope of the those skilled in the art in the present invention
Interior made equivalent change and improvement etc., it all should belong in the patent covering scope of the present invention.
Claims (7)
- A kind of 1. device for detecting polarity for metering transformer secondary circuit, it is characterised in that including：Box body (1), including be fixed on the battery (2) of tray interior, and be symmetricly set on battery (2) both sides and be used to receiving Receive wire line roller (3) and handle slot (4) for fixing telescopic Press Plier；Two telescopic Press Pliers, including the flexible pars contractilis (5) of the handle portion that is correspondingly arranged with handle slot, control caliper, For clamping the jaw (6) of measurement end；Described two handle portion respective sides are all connected with wire, the both positive and negative polarity with battery (2) respectively after wire warp roller (3) winding Connection.
- 2. the device for detecting polarity according to claim 1 for metering transformer secondary circuit, it is characterised in that：It is described Handle portion includes：First stroke handle (7), first stroke handle one end connect wheel of actively having an effect；It is driven by wheels, it is driven by fixing right follower lever (8) on wheels；Second stroke handle (9), second stroke handle (9) one end connecting bushing, fixation is corresponding with right follower lever (8) on axle sleeve Left follower lever (10)；The active have an effect wheel, it is driven be sleeved on by wheels, axle sleeve on axle, wheel of actively having an effect by wheels with driven being passed through gear Engagement connects, and is connected to control on the first stroke handle (7) actively to have an effect and takes turns with driven by wheels engagement and the reset separated Controller (11).
- 3. the device for detecting polarity according to claim 1 for metering transformer secondary circuit, it is characterised in that：It is described Pars contractilis includes multigroup be hinged parallel four-bar linkage (12) successively, parallel four-bar linkage (12) one end and left follower lever, Right follower lever is hinged, and the other end is be hinged with jaw (6), controls jaw folding, and pars contractilis (5) side sets tension spring (13), With being connected at the top of handle portion, the other end is connected with jaw bottom for tension spring (13) one end.
- 4. the device for detecting polarity according to claim 1 or 2 for metering transformer secondary circuit, it is characterised in that： Jaw (6) medial surface is fixed for measuring the measuring device with electricity (14) of primary side busbar, the measuring device with electricity (14) it is connected with reset controller (11) by wireless communication apparatus.
- 5. the device for detecting polarity according to claim 2 for metering transformer secondary circuit, it is characterised in that：It is described Vibrator (15), range radar (16), alarm lamp (17) are fixed on second stroke handle (9), by battery (2) by leading Line connection power supply.
- 6. the device for detecting polarity according to claim 1 for metering transformer secondary circuit, it is characterised in that：It is described Line roller (3) one end is connected with motor output shaft, motor control line roller (3) rotation, and the folding and unfolding that controlled motor rotates is set on box body Operating key.
- 7. the device for detecting polarity according to claim 1 or 2 for metering transformer secondary circuit, it is characterised in that： Corresponding first stroke handle (7), the second stroke handle (9) set card handle device (18) in the handle slot (4), are set on box body Control card handle device folding takes bar operating key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731122.1A CN107576885B (en) | 2017-08-23 | 2017-08-23 | Polarity detection device for secondary circuit of metering transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710731122.1A CN107576885B (en) | 2017-08-23 | 2017-08-23 | Polarity detection device for secondary circuit of metering transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107576885A true CN107576885A (en) | 2018-01-12 |
| CN107576885B CN107576885B (en) | 2020-01-07 |
Family
ID=61035009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710731122.1A Active CN107576885B (en) | 2017-08-23 | 2017-08-23 | Polarity detection device for secondary circuit of metering transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576885B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614182A (en) * | 2018-05-15 | 2018-10-02 | 国网河南省电力公司禹州市供电公司 | A kind of cable leakproof electric detection means |
| CN110286295A (en) * | 2019-05-13 | 2019-09-27 | 国家电网有限公司 | A kind of direct current feed control panel branch CT polarity test device and method |
| CN111123171A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Telescopic mutual inductance current polarity testing device |
| WO2020252831A1 (en) * | 2019-06-19 | 2020-12-24 | 苏州纯青智能科技有限公司 | Clamp for underground pipeline detection |
| CN112394279A (en) * | 2020-11-11 | 2021-02-23 | 深圳市鑫达辉软性电路科技有限公司 | Flexible circuit board production is with soft or hard combination position inspection tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2331978A1 (en) * | 2008-09-24 | 2011-06-15 | ABB Research Ltd. | Method and device for supervising secondary circuit of instrument transformer in power system |
| CN104215877A (en) * | 2014-08-21 | 2014-12-17 | 国家电网公司 | Combined CT (current transformer) polarity test device |
| CN105068034A (en) * | 2015-08-19 | 2015-11-18 | 国网安徽省电力公司检修公司 | Current transformer detection system and method |
| CN206400047U (en) * | 2017-01-17 | 2017-08-11 | 国网青海省电力公司检修公司 | A kind of Current Transmit polarity test device |
-
2017
- 2017-08-23 CN CN201710731122.1A patent/CN107576885B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2331978A1 (en) * | 2008-09-24 | 2011-06-15 | ABB Research Ltd. | Method and device for supervising secondary circuit of instrument transformer in power system |
| CN104215877A (en) * | 2014-08-21 | 2014-12-17 | 国家电网公司 | Combined CT (current transformer) polarity test device |
| CN105068034A (en) * | 2015-08-19 | 2015-11-18 | 国网安徽省电力公司检修公司 | Current transformer detection system and method |
| CN206400047U (en) * | 2017-01-17 | 2017-08-11 | 国网青海省电力公司检修公司 | A kind of Current Transmit polarity test device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614182A (en) * | 2018-05-15 | 2018-10-02 | 国网河南省电力公司禹州市供电公司 | A kind of cable leakproof electric detection means |
| CN110286295A (en) * | 2019-05-13 | 2019-09-27 | 国家电网有限公司 | A kind of direct current feed control panel branch CT polarity test device and method |
| CN110286295B (en) * | 2019-05-13 | 2021-07-06 | 国家电网有限公司 | Direct current feed screen branch CT polarity testing device and method |
| WO2020252831A1 (en) * | 2019-06-19 | 2020-12-24 | 苏州纯青智能科技有限公司 | Clamp for underground pipeline detection |
| CN111123171A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Telescopic mutual inductance current polarity testing device |
| CN112394279A (en) * | 2020-11-11 | 2021-02-23 | 深圳市鑫达辉软性电路科技有限公司 | Flexible circuit board production is with soft or hard combination position inspection tool |
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| Publication number | Publication date |
|---|---|
| CN107576885B (en) | 2020-01-07 |
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