CN106353571B - With the electricity testing operation rod for automatically powering off circuit - Google Patents
With the electricity testing operation rod for automatically powering off circuit Download PDFInfo
- Publication number
- CN106353571B CN106353571B CN201610656250.XA CN201610656250A CN106353571B CN 106353571 B CN106353571 B CN 106353571B CN 201610656250 A CN201610656250 A CN 201610656250A CN 106353571 B CN106353571 B CN 106353571B
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- China
- Prior art keywords
- current supply
- supply circuit
- circuit
- metal
- operation rod
- Prior art date
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- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
Abstract
The present invention provides with the electricity testing operation rod for automatically powering off circuit, belong to field of electrical equipment.It is equipped with the relay in the first current supply circuit and the second current supply circuit in automatic power-off circuit, drive pulley is equipped in the shaft of motor, drive pulley is connect by driving belt with the subordinate belt pulley being arranged in motion bar shaft.By when the overtension that metal contact touches, high current is generated on fuse is instanteously blown fuse, the first current supply circuit is caused to disconnect, and then under the action of relay, by the drive of motor, driving belt so that motion bar rotates, the metal contact of segmented is enabled to disconnect.On the one hand the instantaneous value of current high pressure can also be got by voltmeter, to prepare for post-processing while guaranteeing to use the electric operating personnel safety of the electricity testing operation rod in this way.
Description
Technical field
The invention belongs to field of electrical equipment, in particular to the electricity testing operation rod for automatically powering off circuit.
Background technique
High voltage electroscope is also known as high pressure electricity measurer, a kind of to whether there is for detecting operating voltage on electrical equipment
Mancarried device.When interfering with easy to carry, electrical verification high sensitivity, not by strong electrical field, have whole circuit self-checking function, is standby
Between it is long the features such as.
Existing electricity testing operation rod is only able to achieve the detection whether charged, and when detecting high-voltage electricity, cannot actively disconnect,
It is easy that electric operating personnel is enabled to cause danger in this way.
Summary of the invention
In order to solve shortcoming and defect existing in the prior art, when the present invention provides carrying out live detection for improving
The electricity testing operation rod of safety.
In order to reach above-mentioned technical purpose, the present invention provides with the electricity testing operation rod for automatically powering off circuit, the height
Pressing electricity testing operation rod includes metal contact, and the metal contact is divided into for touching the metal tip with detection object, Yi Jijin
Belong to end, rotatable motion bar is equipped between metal tip and metal end;
It is equipped with relay in automatic power-off circuit, the relay is connected to the first current supply circuit and second and powers back
Lu Zhong includes the coil being arranged in relay in the first current supply circuit, and one end of coil is electrically connected with metal end, coil
The other end is then grounded by fuse, and voltmeter is additionally provided between fuse and ground terminal;
Second current supply circuit includes motor and the power supply to motor, and master is equipped in the shaft of motor
Dynamic belt pulley, drive pulley are connect by driving belt with the subordinate belt pulley being arranged in motion bar shaft.
Optionally, operation transverse arm is equipped in the metal tip.
Optionally, when the first current supply circuit locating for the metal end is not powered on, the work of armature in relay in spring
It is contacted with lower with normally-closed contact, so that the second current supply circuit is breaking.
Optionally, after the first current supply circuit locating for the metal end is powered, coil generates magnetic field for armature to coil side
It is contacted with normally opened contact, to attraction so that armature is detached from normally-closed contact so that the second current supply circuit access.
Optionally, after the second current supply circuit access, the drive pulley rotation being located on motor rotary shaft passes through transmission
Belt drives the rotation of subordinate belt pulley, causes motion bar to rotate, and then metal tip is enabled to disconnect with metal end.
Optionally, after metal tip and metal end disconnect, the first current supply circuit is in unpowered state, coil
The magnetic field of generation disappears, so that armature is contacted with normally-closed contact, the second current supply circuit open circuit, motor stops rotating, causes to live
Lever stops operating.
Technical solution provided by the invention has the benefit that
Make fuse moment molten by when the overtension that metal contact touches, generating high current on fuse
It is disconnected, cause the first current supply circuit to disconnect, and then under the action of relay, by the drive of motor, driving belt so that living
Lever rotates, and the metal contact of segmented is enabled to disconnect.On the one hand guaranteeing the electric power work using the electricity testing operation rod in this way
While industry personnel safety, the instantaneous value of current high pressure can also be got by voltmeter, to do standard for post-processing
It is standby.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical solution of the present invention
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram provided by the invention with the electricity testing operation rod for automatically powering off circuit;
Fig. 2 is the use flow diagram provided by the invention with the electricity testing operation rod for automatically powering off circuit.
Specific embodiment
To keep structure and advantage of the invention clearer, structure of the invention is made further below in conjunction with attached drawing
Description.
Embodiment one
The present invention provides the electricity testing operation rod for automatically powering off circuit is had, as shown in Figure 1, the electricity testing operation rod includes
Metal contact 1, the metal contact 1 is divided for for touching metal tip 11 and metal end 12 with detection object, in gold
Belong to and is equipped with rotatable motion bar 13 between tip 11 and metal end 12;
It is equipped with relay 2 in automatic power-off circuit, the relay 2 is connected to the first current supply circuit and the second power supply
It include the coil 21 being arranged in relay in the first current supply circuit in circuit, one end and the metal end 12 of coil 21 are electrically connected
It connects, the other end of coil 21 then passes through fuse 3 and is grounded, and voltmeter 4 is additionally provided between fuse 3 and ground terminal;
Second current supply circuit includes motor 5 and the power supply 6 to the power supply of motor 5, is set in the shaft of motor 5
There is drive pulley 51, drive pulley is connected by driving belt 52 with the subordinate belt pulley 14 being arranged in 13 shaft of motion bar
It connects.
In an implementation, the metal contact in existing electricity testing operation rod is integrated, and the metal contact 1 in the present invention is then adopted
With the design of segmented, the motion bar 13 that can be pivoted is equipped in the centre of metal contact 1, and in metal contact 1
It is equipped with fuse 3 and voltmeter 4 in the first current supply circuit that middle metal end 12 connects, is touched in this way when metal contact 1
When overtension, high current is generated on fuse 3, fuse 3 is instanteously blown, cause the first current supply circuit to disconnect, in turn
Under the action of relay 2, by the drive of motor 5, driving belt 52 so that motion bar 13 rotates, segmented is enabled
Metal contact 1 disconnects.On the one hand may be used also while guaranteeing to use the electric operating personnel safety of the electricity testing operation rod in this way
To get the instantaneous value of current high pressure by voltmeter 4, to prepare for post-processing.
Optionally, as shown in Figure 1, being equipped with operation transverse arm 15 in metal tip 11.
In an implementation, operation transverse arm 15 is vertical with the surface of metal tip 11, in this way when carrying out electrical verification, electric operating people
Member can also realize the operation for carrying out hook to electrical device, pushing away by operation transverse arm 15 by holding electricity testing operation rod, improve
The practicability of electricity testing operation rod.
Based on foregoing description, as shown in Fig. 2, the operational process of the automatic power-off circuit are as follows:
101, when first current supply circuit locating for the metal end 12 is not powered on, the work of armature in relay 2 in spring
It is contacted with lower with normally-closed contact, so that the second current supply circuit is breaking.
102, after first current supply circuit locating for the metal end 12 is powered, coil 21 generates magnetic field for armature to coil side
It is contacted with normally opened contact, to attraction so that armature is detached from normally-closed contact so that the second current supply circuit access.
103, after the second current supply circuit access, the drive pulley 51 being located in 5 shaft of motor rotates, and passes through transmission
Belt 52 drives subordinate belt pulley 14 to rotate, and motion bar 13 is caused to rotate, and then metal tip 11 and metal end 12 is enabled to disconnect
Connection.
104, after metal tip 11 and metal end 12 disconnect, the first current supply circuit is in unpowered state, line
The magnetic field that circle 21 generates disappears, so that armature is contacted with normally-closed contact, the second current supply circuit open circuit, motor 5 stops rotating, leads
Activation lever 13 stops operating.
The present invention provides with the electricity testing operation rod for automatically powering off circuit, it is equipped in automatic power-off circuit and is supplied in first
The relay of electrical circuit and the second current supply circuit, is equipped with drive pulley in the shaft of motor, and drive pulley passes through biography
Dynamic belt is connect with the subordinate belt pulley being arranged in motion bar shaft.By when the overtension that metal contact touches,
High current is generated on fuse is instanteously blown fuse, causes the first current supply circuit to disconnect, and then in the work of relay
Under, by the drive of motor, driving belt so that motion bar rotates, the metal contact of segmented is enabled to disconnect.In this way
On the one hand it while guaranteeing to use the electric operating personnel safety of the electricity testing operation rod, can also be got by voltmeter
The instantaneous value of current high pressure, to prepare for post-processing.
Each serial number in above-described embodiment is for illustration only, the assembling for not representing each component or the elder generation in use process
Sequence afterwards.
The above description is only an embodiment of the present invention, is not intended to limit the invention, all in the spirit and principles in the present invention
Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (2)
1. the electricity testing operation rod includes metal contact, which is characterized in that described with the electricity testing operation rod for automatically powering off circuit
Metal contact is divided into for touching metal tip and metal end with detection object, metal tip and metal end it
Between be equipped with rotatable motion bar;
Circuit is being automatically powered off equipped with relay, the relay is connected to the first current supply circuit and the second current supply circuit
In, include the coil that is arranged in relay in the first current supply circuit, one end of coil is electrically connected with metal end, coil it is another
One end is then grounded by fuse, and voltmeter is additionally provided between fuse and ground terminal;
Second current supply circuit includes motor and the power supply to motor, and active skin is equipped in the shaft of motor
Belt wheel, drive pulley are connect by driving belt with the subordinate belt pulley being arranged in motion bar shaft;
When the first current supply circuit locating for the metal end is not powered on, armature in relay under the action of the spring with normally closed touching
Point contact, so that the second current supply circuit is breaking;
After the first current supply circuit locating for the metal end is powered, coil generates magnetic field and attracts armature to coil direction, so that
Armature is detached from normally-closed contact, contacts with normally opened contact, so that the second current supply circuit access;
After the second current supply circuit access, be located on motor rotary shaft drive pulley rotation, by driving belt drive from
Belong to belt pulley rotation, causes motion bar to rotate, and then metal tip is enabled to disconnect with metal end;
After metal tip and metal end disconnect, the first current supply circuit is in unpowered state, the magnetic field that coil generates
It disappears, so that armature is contacted with normally-closed contact, the second current supply circuit open circuit, motor stops rotating, and motion bar is caused to stop turning
It is dynamic.
2. according to claim 1 with the electricity testing operation rod for automatically powering off circuit, which is characterized in that in the metal tip
End is equipped with operation transverse arm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610656250.XA CN106353571B (en) | 2016-08-10 | 2016-08-10 | With the electricity testing operation rod for automatically powering off circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610656250.XA CN106353571B (en) | 2016-08-10 | 2016-08-10 | With the electricity testing operation rod for automatically powering off circuit |
Publications (2)
Publication Number | Publication Date |
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CN106353571A CN106353571A (en) | 2017-01-25 |
CN106353571B true CN106353571B (en) | 2019-05-07 |
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Application Number | Title | Priority Date | Filing Date |
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CN201610656250.XA Active CN106353571B (en) | 2016-08-10 | 2016-08-10 | With the electricity testing operation rod for automatically powering off circuit |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109799417B (en) * | 2019-03-13 | 2021-02-26 | 四川海特亚美航空技术有限公司 | Electromagnetic power-down maintaining indication structure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203838231U (en) * | 2014-05-09 | 2014-09-17 | 国家电网公司 | High-voltage electricity test device |
CN203894314U (en) * | 2014-06-24 | 2014-10-22 | 国家电网公司 | Electroscope equipment |
CN204154798U (en) * | 2014-10-29 | 2015-02-11 | 深圳供电局有限公司 | A kind of electrical verification mechanism for 500KV equipment |
CN205539155U (en) * | 2016-03-29 | 2016-08-31 | 国网上海市电力公司 | Case modified line cable magnetic field manifold type electrified indicating ware |
-
2016
- 2016-08-10 CN CN201610656250.XA patent/CN106353571B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203838231U (en) * | 2014-05-09 | 2014-09-17 | 国家电网公司 | High-voltage electricity test device |
CN203894314U (en) * | 2014-06-24 | 2014-10-22 | 国家电网公司 | Electroscope equipment |
CN204154798U (en) * | 2014-10-29 | 2015-02-11 | 深圳供电局有限公司 | A kind of electrical verification mechanism for 500KV equipment |
CN205539155U (en) * | 2016-03-29 | 2016-08-31 | 国网上海市电力公司 | Case modified line cable magnetic field manifold type electrified indicating ware |
Also Published As
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CN106353571A (en) | 2017-01-25 |
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