CN106353571A - Live part verification bar with automatic outage loop - Google Patents
Live part verification bar with automatic outage loop Download PDFInfo
- Publication number
- CN106353571A CN106353571A CN201610656250.XA CN201610656250A CN106353571A CN 106353571 A CN106353571 A CN 106353571A CN 201610656250 A CN201610656250 A CN 201610656250A CN 106353571 A CN106353571 A CN 106353571A
- Authority
- CN
- China
- Prior art keywords
- current supply
- supply circuit
- loop
- metal
- operation rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a live part verification bar with an automatic outage loop, and belongs to the field of electrical equipment. A relay which is positioned at a first power supply loop and a second power supply loop is arranged on the automatic outage loop, and a driving belt pulley is arranged on a rotating shaft of a motor, and is connected with a driven belt pulley arranged on a rotating shaft of a moving rod through a transmission belt. When voltage which is in contact with a metal contact is over high, a fuse can be instantly fused by large current generated on the fuse, so that the first power supply loop is switched off, under the effect of the relay, the moving rod is driven by the motor and the transmission belt to rotate, and the sectional metal contact is disconnected. Safety of an electricity worker who uses the live part verification bar is guaranteed, and meanwhile, momentary value of current high voltage can be acquired by a voltmeter, and therefore, preparatory work can be made for aftertreatment.
Description
Technical field
The invention belongs to field of electrical equipment, particularly to the electricity testing operation rod automatically powering off loop.
Background technology
High voltage electroscope is also called high pressure electricity measurer, a kind of for detecting that on electrical equipment, running voltage whether there is
Mancarried device.Have that easy to carry, electrical verification sensitivity is high, be not subject to highfield interference, possess whole circuit self-checking function, standby when
Between long the features such as.
Whether powered existing electricity testing operation rod only enable detection, when high-tension electricity is detected it is impossible to actively disconnect,
Electric operating personnel are so easily made to cause danger.
Content of the invention
In order to solve shortcoming and defect present in prior art, the invention provides when carrying out live detection for raising
The electricity testing operation rod of safety.
In order to reach above-mentioned technical purpose, the invention provides with the electricity testing operation rod automatically powering off loop, described height
Pressure electricity testing operation rod includes metal contact, and described metal contact is divided into for touching the metal tip with detection object, Yi Jijin
Belong to end, be provided with rotatable motion bar between metal tip and metal end；
It is provided with relay in automatic power-off circuit, described relay is connected to the first current supply circuit and second and powers back
Lu Zhong, the first current supply circuit includes the coil being arranged in relay, and one end of coil is electrically connected with metal end, coil
The other end is then grounded by electric fuse, is additionally provided with voltmeter between electric fuse and earth terminal；
Second current supply circuit includes motor and the power supply to motor, is provided with master in the rotating shaft of motor
Dynamic belt pulley, drive pulley is connected with the subordinate belt pulley being arranged in motion bar rotating shaft by driving belt.
Optionally, operation transverse arm is provided with described metal tip.
Optionally, when the first current supply circuit residing for when metal end is not powered on, the armature in relay is in the work of spring
Contacted with normally-closed contact so that the second current supply circuit is breaking with lower.
Optionally, after the first current supply circuit residing for when metal end is energized, coil produces magnetic field by armature to coil side
To attracting, so that armature departs from normally-closed contact, to contact so that the second current supply circuit path with normally opened contact.
Optionally, after the second current supply circuit path, it is located at the drive pulley rotation on motor rotary shaft, by transmission
Belt drive subordinate belt pulley rotates, and leads to motion bar to rotate, and then makes metal tip disconnect with metal end.
Optionally, after metal tip is disconnected with metal end, the first current supply circuit is in unpowered state, coil
The magnetic field producing disappears so that armature is contacted with normally-closed contact, the second current supply circuit open circuit, and motor stops the rotation, and leads to live
Lever stops operating.
The technical scheme that the present invention provides has the benefit that
By high current when the overtension that metal contact touches, is produced on electric fuse, melted electric fuse moment
Disconnected, lead to the first current supply circuit to disconnect, and then in the presence of relay, make to live by the drive of motor, driving belt
Lever rotates, and makes the metal contact of stagewise disconnect.So on the one hand ensureing to make using the electric power of this electricity testing operation rod
The instantaneous value of current high pressure while industry personnel safety, can also be got by voltmeter, thus process for the later stage doing standard
Standby.
Brief description
In order to be illustrated more clearly that technical scheme, the accompanying drawing of required use in embodiment being described below
Be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation with the electricity testing operation rod automatically powering off loop that the present invention provides；
Fig. 2 is the use schematic flow sheet with the electricity testing operation rod automatically powering off loop that the present invention provides.
Specific embodiment
Structure and advantage for making the present invention are clearer, below in conjunction with accompanying drawing, the structure of the present invention are made further
Description.
Embodiment one
The invention provides with the electricity testing operation rod automatically powering off loop, as shown in figure 1, described electricity testing operation rod includes
Metal contact 1, described metal contact 1 is divided into for the metal tip 11 with detection object for the touching, and metal end 12, in gold
Belong to and be provided with rotatable motion bar 13 between most advanced and sophisticated 11 and metal end 12；
It is provided with relay 2 in automatic power-off circuit, described relay 2 is connected to the first current supply circuit and the second power supply
In loop, the first current supply circuit includes the coil 21 being arranged in relay, and one end of coil 21 is electrically connected with metal end 12
Connect, the other end of coil 21 is then grounded by electric fuse 3, is additionally provided with voltmeter 4 between electric fuse 3 and earth terminal；
Second current supply circuit includes motor 5 and the power supply 6 to motor 5 power supply, sets in the rotating shaft of motor 5
There is drive pulley 51, drive pulley passes through driving belt 52 with the subordinate belt pulley 14 being arranged in motion bar 13 rotating shaft even
Connect.
In force, the metal contact in existing electricity testing operation rod is one, and the metal contact 1 in the present invention is then adopted
With the design of stagewise, it is provided with, in the centre of metal contact 1, the motion bar 13 that can pivot, and in metal contact 1
It is provided with electric fuse 3 and voltmeter 4, so when metal contact 1 touches in the first current supply circuit that middle metal end 12 connects
During overtension, high current is produced on electric fuse 3 electric fuse 3 moment is fused, lead to the first current supply circuit to disconnect, and then
In the presence of relay 2, by the drive of motor 5, driving belt 52, motion bar 13 is rotated, make stagewise
Metal contact 1 disconnects.So on the one hand while ensureing the electric operating personnel safety using this electricity testing operation rod, also may be used
To get the instantaneous value of current high pressure by voltmeter 4, thus process for the later stage preparing.
Optionally, as shown in figure 1, operation transverse arm 15 is provided with metal tip 11.
In force, operation transverse arm 15 is vertical with the surface of metal tip 11, so when carrying out electrical verification, electric operating people
Member can also be improve by hand-held electricity testing operation rod by operating transverse arm 15 to realize the operation carrying out hook to electrical device, pushing away
The practicality of electricity testing operation rod.
Based on foregoing description, as shown in Fig. 2 the running of this automatic power-off circuit is:
101st, when the first current supply circuit residing for when metal end 12 is not powered on, the armature in relay 2 is in the work of spring
Contacted with normally-closed contact so that the second current supply circuit is breaking with lower.
102nd, after the first current supply circuit residing for when metal end 12 is energized, coil 21 produces magnetic field by armature to coil side
To attracting, so that armature departs from normally-closed contact, to contact so that the second current supply circuit path with normally opened contact.
103rd, after the second current supply circuit path, the drive pulley 51 being located in motor 5 rotating shaft rotates, by transmission
Belt 52 drives subordinate belt pulley 14 to rotate, and leads to motion bar 13 to rotate, and then makes metal tip 11 disconnect with metal end 12
Connect.
104th, after metal tip 11 and metal end 12 disconnect, the first current supply circuit is in unpowered state, line
The magnetic field of circle 21 generation disappears so that armature is contacted with normally-closed contact, the second current supply circuit open circuit, and motor 5 stops the rotation, and leads
Activation lever 13 stops operating.
The invention provides with the electricity testing operation rod automatically powering off loop, being provided with automatic power-off circuit and be in the first confession
The electric loop and the relay of the second current supply circuit, are provided with drive pulley in the rotating shaft of motor, and drive pulley passes through to pass
Dynamic belt is connected with the subordinate belt pulley being arranged in motion bar rotating shaft.By when the overtension that metal contact touches,
Producing high current on electric fuse makes electric fuse moment fuse, and leads to the first current supply circuit to disconnect, and then the work in relay
With under, by the drive of motor, driving belt, motion bar is rotated, makes the metal contact of stagewise disconnect.So
On the one hand, while ensureing the electric operating personnel safety using this electricity testing operation rod, can also be got by voltmeter
The instantaneous value of current high pressure, thus process for the later stage prepare.
Each sequence number in above-described embodiment is for illustration only, the elder generation during not representing the assembling of each part or using
Order afterwards.
The foregoing is only embodiments of the invention, not in order to limit the present invention, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (6)
1. carry and automatically power off the electricity testing operation rod in loop, described electricity testing operation rod includes metal contact it is characterised in that described
Metal contact is divided into for touching the metal tip with detection object, and metal end, metal tip and metal end it
Between be provided with rotatable motion bar；
It is provided with relay in automatic power-off circuit, described relay is connected to the first current supply circuit and the second current supply circuit
In, the first current supply circuit includes the coil being arranged in relay, and one end of coil is electrically connected with metal end, coil another
One end is then grounded by electric fuse, is additionally provided with voltmeter between electric fuse and earth terminal；
Second current supply circuit includes motor and the power supply to motor, is provided with active skin in the rotating shaft of motor
Belt wheel, drive pulley is connected with the subordinate belt pulley being arranged in motion bar rotating shaft by driving belt.
2. according to claim 1 with the electricity testing operation rod automatically powering off loop it is characterised in that in described metal tip
End is provided with operation transverse arm.
3. according to claim 1 with the electricity testing operation rod automatically powering off loop it is characterised in that work as metal end institute
First current supply circuit at place is when being not powered on, and the armature in relay contacts so that second under the action of the spring with normally-closed contact
Current supply circuit open circuit.
4. according to claim 3 with the electricity testing operation rod automatically powering off loop it is characterised in that work as metal end institute
After the first current supply circuit energising at place, coil produces magnetic field and attracts armature to coil direction so that armature departs from normally-closed contact,
Contact so that the second current supply circuit path with normally opened contact.
5. according to claim 4 with the electricity testing operation rod automatically powering off loop it is characterised in that powering back second
After the path of road, it is located at the drive pulley rotation on motor rotary shaft, the rotation of subordinate belt pulley is driven by driving belt, leads to
Motion bar rotates, and then makes metal tip disconnect with metal end.
6. according to claim 5 with the electricity testing operation rod automatically powering off loop it is characterised in that metal tip with
After metal end disconnects, the first current supply circuit is in unpowered state, and the magnetic field that coil produces disappears so that armature is with often
Closed contact contacts, the second current supply circuit open circuit, and motor stops the rotation, and leads to motion bar to stop operating.
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 |
|---|---|---|---|
| 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 |
|---|---|
| CN106353571A true CN106353571A (en) | 2017-01-25 |
| CN106353571B CN106353571B (en) | 2019-05-07 |
Family
ID=57843851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610656250.XA Active CN106353571B (en) | 2016-08-10 | 2016-08-10 | With the electricity testing operation rod for automatically powering off circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106353571B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799417A (en) * | 2019-03-13 | 2019-05-24 | 四川海特亚美航空技术有限公司 | A kind of electromagnetism power down holding instruction 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 test electric 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 test electric 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799417A (en) * | 2019-03-13 | 2019-05-24 | 四川海特亚美航空技术有限公司 | A kind of electromagnetism power down holding instruction structure |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106353571B (en) | 2019-05-07 |
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