CN106291180A - High pressure tests isolating device automatically - Google Patents
High pressure tests isolating device automatically Download PDFInfo
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- CN106291180A CN106291180A CN201610623379.0A CN201610623379A CN106291180A CN 106291180 A CN106291180 A CN 106291180A CN 201610623379 A CN201610623379 A CN 201610623379A CN 106291180 A CN106291180 A CN 106291180A
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- control circuit
- motor
- switch
- high pressure
- testing
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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
Abstract
The embodiment of the invention discloses a kind of high pressure and automatically test isolating device, relate to electric equipment field tests.High pressure disclosed by the invention tests isolating device automatically, is used for controlling mechanism for testing and realizes from being dynamically connected or automatically disconnecting with Hi-pot test machine.This device includes: motor, mechanism for testing and control circuit.Motor is mechanically connected with mechanism for testing, and electrically connects with control circuit.Motor, when receiving the forward current of control circuit output, drives mechanism for testing to move to the first precalculated position from initial position.Motor, when receiving the reverse current of control circuit output, drives mechanism for testing to be retracted into initial position from the first precalculated position.First precalculated position is that mechanism for testing can be with the position of Hi-pot test mechatronics.By automatic test isolating device disclosed by the invention, it is achieved that operator carry out Hi-pot test in the case of need not manually regulate high-voltage value, protect the safety of barrier tester.
Description
Technical field
The present invention relates to electric equipment field tests, particularly relate to a kind of high pressure and automatically test isolating device.
Background technology
Hi-pot test is a test critically important in electric test, and in order to realize Hi-pot test, Hi-pot test machine just should
Transport and give birth to.In the prior art, during Hi-pot test, be by Hi-pot test region is artificially isolated, and only by
The personnel of professional training could operate and use the method for Hi-pot test machine to ensure the safety of tester.
Hi-pot test is the project that must have of the safety detection of all electric equipment products, in the prior art, the behaviour of Hi-pot test
Making process as follows: first, high-voltage output end and the low-voltage output of Hi-pot test machine are manually coupled with electrical equipment by tester
On product；Then, tester has manually set the high-voltage value of standard-required；Finally, tester manually boots Hi-pot test
The switch of machine, carries out Hi-pot test.Whether the judgement of test is mainly reported to the police by Hi-pot test machine, and artificially observes test process
Appeared in phenomenon.In whole experimentation, it is all must artificial manual operation.
The shortcoming of prior art: shortcoming 1: the manually required high-voltage value of regulation, then carries out Hi-pot test, it is impossible to operator
The safety of member ensures, it is more likely that the danger got an electric shock occurs during artificial manually regulation.
Shortcoming 2: the anthropic factor in whole High-Voltage Testing Process is the highest, it is difficult to ensure that the concordance of test result, exists
Bigger uncertain factor and artificial erroneous judgement.
, there is the high pressure because loop high-voltage does not drains or equipment sets and be not turned off etc. former in shortcoming 3: when tester operates
Cause, causes bigger personnel's maloperation or personnel to get an electric shock injury.
Based on the problems referred to above, technical scheme is proposed.The present invention is guaranteeing the situation of tester's personal safety
Under make the operation of Hi-pot test effective and safe.
Summary of the invention
It is an object of the invention to provide a kind of high pressure and automatically test isolating device, by automatic test disclosed by the invention every
From device, it is achieved that operator carry out Hi-pot test in the case of need not manually regulate high-voltage value, on the one hand improve and survey
The degree of accuracy of examination, on the other hand ensures the life security of tester.
To achieve these goals, the invention provides a kind of high pressure and automatically test isolating device, be used for controlling test machine
Structure realizes from being dynamically connected or automatically disconnecting with Hi-pot test machine.The high pressure that the present invention provides automatically is tested isolating device and is included: horse
Reach, mechanism for testing and control circuit；Described motor is mechanically connected with described mechanism for testing, and electrically connects with described control circuit；
Described motor receive described control circuit output forward current time, drive described mechanism for testing from initial position move to
First precalculated position；Described motor receive described control circuit output reverse current time, drive described mechanism for testing from
First precalculated position is retracted into initial position；Described first precalculated position is that described mechanism for testing can be with described Hi-pot test machine
The position of electrical connection.
Wherein, described control circuit includes power supply, first control circuit and second control circuit；Described first control circuit
After connecting with described motor, the electrode with described power supply just connects；Described second control circuit connect with described motor after with described electricity
The electrode reversal connection in source, described first control circuit is in parallel with described second control circuit.
Further, described first control circuit includes the first switch and the first relay coil being serially connected；Described
First relay coil just connects with the electrode of described power supply after connecting with described motor；When after described first switch Guan Bi, described
First relay coil energising.
Further, described second control circuit includes timer switch and the second relay coil being serially connected；Institute
State the electrode reversal connection with described power supply after the second relay coil is connected with described motor；After described timer switch closes,
Described second relay coil energising.
Further, high pressure tests isolating device automatically, also includes the position-limit mechanism being mechanically connected with described motor；Described
Motor, when receiving the forward current of described control circuit output, drives described position-limit mechanism from initial position to described high pressure
Test machine moves so that described position-limit mechanism touches the high voltage startup switch of described Hi-pot test machine；Described motor is receiving
During the reverse current that described control circuit exports, described position-limit mechanism is driven to return to initial position.
Further, described first control circuit also includes connecting with described first switch, described first relay coil
The first limit switch；Described first limit switch is arranged at and opens when described position-limit mechanism touches the high pressure of described Hi-pot test machine
During dynamic switch so that described position-limit mechanism touches the position of described first limit switch simultaneously；Described first limit switch exists
Disconnect when being touched by described position-limit mechanism.
Further, described first limit switch electrically connects with described timer switch；When described first limit switch breaks
When electricity arrives the scheduled time, described timer switch closes.
Further, described second control circuit also includes and described timer switch, described second relay coil string
Second limit switch of connection；Described second limit switch is arranged at when described position-limit mechanism returns to initial position so that described
Position-limit mechanism can touch the position of described second limit switch；Described second limit switch is being touched by described position-limit mechanism
Disconnect when touching.
Wherein, described mechanism for testing includes: insulate fixed mount and is disposed therein mutually insulated and be arranged in parallel first
Conducting rod and the second conducting rod, the first contact, the second contact, the 3rd contact；Described first conducting rod one end is provided with first and connects
Contravention, the other end is provided with the first binding post；Described second conducting rod one end is provided with the second contact terminal, and the other end sets
It is equipped with the second binding post；The position that the position of described first contact switchs with the high voltage startup of described Hi-pot test machine is relative
Should；The position of described second contact is corresponding with the position of described first limit switch；The position of described 3rd contact is with described
The position of the second limit switch is corresponding；Described insulation fixed mount is mechanically connected with described motor.
Further, described first contact terminal and described second contact terminal are arranged at homonymy, described first terminals
Sub and described second binding post is arranged at homonymy；Described first contact terminal is for electrically connecting the high pressure of described Hi-pot test machine
Outfan, described second contact terminal is for electrically connecting the low-voltage output of described Hi-pot test machine；Described first binding post
For electrically connecting the high-voltage output end of electric equipment to be tested；Described second binding post is used for electrically connecting electric equipment to be tested
Low-voltage output.
As it has been described above, a kind of high pressure provided by the present invention tests isolating device automatically, it is achieved that operator are being not required to
Carry out Hi-pot test in the case of manually regulating high-voltage value, ensure the life security of tester.It also avoid and survey at high pressure
During examination, owing to anthropic factor is the highest, it is impossible to guarantee the concordance of test result, there is bigger uncertain factor with artificial
The problem of erroneous judgement.It also avoid in tester's operating process, it is possible to because loop high-voltage does not drains or equipment sets
High pressure be not turned off, cause bigger personnel's maloperation or tester to get an electric shock injury.
Accompanying drawing explanation
Fig. 1 is that high pressure of the present invention is automatically tested isolating device and docked schematic diagram with Hi-pot test machine.
Fig. 2 is the internal circuit connection figure that high pressure of the present invention tests isolating device automatically；Wherein
Fig. 2-1 is Hi-pot test isolating device motor of the present invention and power supply connection diagram；
Fig. 2-2 is Hi-pot test isolating device first control circuit of the present invention, second control circuit and power supply connection diagram.
Fig. 3 is that high pressure of the present invention tests isolating device material object end connection diagram automatically.
Fig. 4 is that high pressure of the present invention tests isolating device test lead connection diagram automatically.
Reference: V: power supply, the S1: the first switch, the R1: the first relay coil, the S2: the first limit switch, S3: regularly
Device switchs, the R2: the second relay coil, the S4: the second limit switch, M: motor, C: mechanism for testing, the A-1: the first contact terminal,
B-1: the first binding post, the A-2: the second contact terminal, the B-2: the second binding post, H: insulation fixed mount, D: position-limit mechanism, S:
High voltage startup switchs.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with detailed description of the invention and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these describe the most exemplary, and it is not intended to limit this
Bright scope.Additionally, in the following description, eliminate the description to known features and technology, to avoid unnecessarily obscuring this
The concept of invention.
Fig. 1 is that high pressure of the present invention is automatically tested isolating device and docked schematic diagram with Hi-pot test machine.
Fig. 2 is the internal circuit connection figure that high pressure of the present invention tests isolating device automatically.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, is used for controlling mechanism for testing C and surveys with high pressure
Test-run a machine realizes from being dynamically connected or automatically disconnecting.This device includes: motor M, mechanism for testing C and control circuit.Motor M and test machine
Structure C is mechanically connected, and electrically connects with control circuit.Motor M, when receiving the forward current of control circuit output, drives test
Mechanism C moves to the first precalculated position from initial position.Motor M, when receiving the reverse current of control circuit output, drives
Mechanism for testing C is retracted into initial position from the first precalculated position.First precalculated position is that mechanism for testing C can be with Hi-pot test machine
The position of electrical connection.
High pressure as the embodiment of the present invention tests isolating device automatically, including motor M, mechanism for testing C and control circuit.
Motor M and mechanism for testing C is mechanically connected, and when motor M rotates when, mechanism for testing C also can and then move.
Motor M electrically connects with control circuit.When motor M is just being connected in control circuit, when obtaining forward current, motor M leaves
Begin to rotate forward, and drive the mechanism for testing C of mechanical connection to move from initial position to the position of Hi-pot test machine, Hi-pot test
Machine electrically connects with mechanism for testing C.When motor M reversal connection is in control circuit, when obtaining reverse current, motor M starts reversion, and carries
The mechanism for testing C of dynamic mechanical connection returns to initial position from the position of Hi-pot test machine.
High pressure as the embodiment of the present invention tests isolating device, wherein, the preferred servo motor of motor M automatically.
As in figure 2 it is shown, the high pressure of the present invention tests isolating device automatically, wherein, control circuit includes power supply V, the first control
Circuit processed and second control circuit.First control circuit just connects with the electrode of power supply V after connecting with motor M.Second control circuit
With the electrode reversal connection of power supply V after connecting with motor M.First control circuit is in parallel with second control circuit.
Automatically test the control circuit in isolating device as the high pressure of the embodiment of the present invention to include power supply V, first control
Circuit and second control circuit, first control circuit and second control circuit are connected in parallel on power supply V.First control circuit and motor
M connects, and when circuit turn-on, motor M is just being connected on power supply V, and motor M rotates forward.After controlling to be connected on power supply V conducting when second,
Motor M reversal connection is on power supply V, and motor M inverts.
As in figure 2 it is shown, the high pressure of the present invention tests isolating device automatically, wherein, first control circuit includes being serially connected
First switch S1 and the first relay coil R1.First relay coil R1 connect with motor M after with the electrode of power supply V just
Connect.When, after the first switch S1 Guan Bi, the first relay coil R1 is energized.
Automatically test what the first control circuit in isolating device included being serially connected as the high pressure of the embodiment of the present invention
First switch S1 and the first relay coil R1.First relay coil R1 is normally closed relay coil.First relay coil
R1 and motor M connects and is followed by power supply V, and when starting the first switch S1 during its Guan Bi, the first relay coil R1 obtains electric, horse
Reaching M be just connected on power supply V, motor M rotates forward.
As in figure 2 it is shown, the high pressure of the present invention tests isolating device automatically, second control circuit includes the timing being serially connected
Device switch S3 and the second relay coil R2.First relay coil R1 is normally closed relay coil.Second relay coil R2
With the electrode reversal connection of power supply V after connecting with motor M.After timer switch S3 closes, the second relay coil R2 energising.
Automatically test the second control circuit in isolating device as the high pressure of the embodiment of the present invention and include the second relay
Coil R2 and timer switch S3, the second relay coil R2 are normally closed relay coil and are connected on electricity with timer switch S3
Lu Zhong.When timer switch S3 is after certain time closes, and the second relay coil R2 must conduct, at this moment, with the second relay
The motor M reversal connection of device coil R2 series connection is on the both positive and negative polarity of power supply V, and motor M realizes reversion.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, also includes the limit being mechanically connected with motor M
Position mechanism D.Motor M, when receiving the forward current of control circuit output, drives position-limit mechanism D to survey to high pressure from initial position
Test-run a machine moves so that position-limit mechanism D touches the high voltage startup switch S of Hi-pot test machine.Motor M is receiving control circuit output
Reverse current time, drive position-limit mechanism D return to initial position.
High pressure as the embodiment of the present invention tests isolating device automatically, and wherein, motor M and position-limit mechanism D is mechanically connected.
When motor M is just being connected on the two ends of power supply V, when obtaining forward current, motor M rotates forward, and drives the test being mechanically connected therewith
Mechanism C is from initial position to the movement in the direction of Hi-pot test machine, and position-limit mechanism D touches the high voltage startup switch of Hi-pot test machine
S.Thus achieve need not tester manually press lower high voltage startup switch S to start High-Voltage Experimentation.When motor M reversal connection exists
The two ends of power supply V, when obtaining reverse current, motor M start reversion, and can drive position-limit mechanism D to the most contrary side
To movement, it is returned to the position before Hi-pot test.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, and first control circuit also includes and first
Switch S1, the first limit switch S2 of the first relay coil R1 series connection.First limit switch S2 is arranged at when position-limit mechanism D touches
When touching the high voltage startup switch S of Hi-pot test machine so that position-limit mechanism D touches the position of the first limit switch S2 simultaneously.The
One limit switch S2 disconnects when limited mechanism D touches.
Automatically test the first control circuit in isolating device as the high pressure of the embodiment of the present invention and also include that first is spacing
Switch S2, and connect with the first limit switch S2 and the first relay coil R1.When mechanism for testing C touches the height of Hi-pot test machine
The when of pressure activate switch S, position-limit mechanism D can touch the first limit switch S2, and the normally-closed contact of the first limit switch S2 is now
Become normally opened contact so that first control circuit dead electricity disconnects.Motor M stops operating.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, and the first limit switch S2 opens with intervalometer
Close S3 electrical connection.When the first limit switch S2 power-off arrives the scheduled time, timer switch S3 closes.
High pressure as the embodiment of the present invention tests the first limit switch S2 and timer switch in isolating device automatically
S3 electrically connects.After position-limit mechanism D touches the normally opened contact disconnection 40s that the first limit switch S2 makes the first limit switch S2,
Timer switch S3 closes.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, and second control circuit also includes and timing
Device switch S3, the second limit switch S4 of the second relay coil R2 series connection.Second limit switch S4 is arranged at as position-limit mechanism D
When returning to initial position so that position-limit mechanism D can touch the position of the second limit switch S4.Second limit switch S4 exists
Disconnect during limited mechanism D touching.
Automatically test the second control circuit of isolating device as the high pressure of the embodiment of the present invention and also include that second spacing opens
Close S4, the second limit switch S4 and timer switch S3 and the second relay coil R2 to connect.Timer switch S3 closes, and second
When control circuit must conduct, motor M drives mechanism for testing C and position-limit mechanism D from the position of Hi-pot test machine to initial position
Mobile, when returning to initial position when, position-limit mechanism D touches the second limit switch S4, and the second limit switch S4's is normally closed
Contact now disconnects.Whole control circuit dead electricity, motor M stops operating.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, and mechanism for testing C includes: insulation fixed mount H
Be disposed therein mutually insulated and the first conducting rod be arrangeding in parallel and the second conducting rod.First conducting rod one end is provided with
One contact terminal A-1, the other end is provided with the first binding post B-1.
Second conducting rod one end is provided with the second contact terminal A-2, and the other end is provided with the second binding post B-2.
Insulation fixed mount H and motor M is mechanically connected.
Automatically the mechanism for testing C tested in isolating device as the high pressure of the embodiment of the present invention includes: insulation fixed mount H and
It is disposed therein mutually insulated and the first conducting rod be arrangeding in parallel and the second conducting rod.The two ends of two conducting rods are all respectively arranged with one
Individual binding post and contact terminal.Insulation fixed mount H is mechanically connected with motor M.When motor M rotates forward, drive insulation solid
Determining frame H to move to the position of Hi-pot test machine, the first conducting rod and the second conducting rod move together with insulation fixed mount H.Work as horse
When reaching M reversion, fixed insulation frame H drives the first conducting rod and the second conducting rod to move to initial position.
High pressure as the embodiment of the present invention tests isolating device automatically, and wherein, conducting rod is preferably conductive copper bar.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device, the first contact terminal A-1 and second contact automatically
Terminal A-2 is arranged at homonymy, and the first binding post B-1 and the second binding post B-2 is arranged at homonymy；First contact terminal A-1
For electrically connecting the high-voltage output end of Hi-pot test machine, the second contact terminal A-2 is defeated for the low pressure electrically connecting Hi-pot test machine
Go out end；First binding post B-1 is for electrically connecting the high-voltage output end of electric equipment to be tested, and the second binding post B-2 is used for
Electrically connect the low-voltage output of electric equipment to be tested.
High pressure as the embodiment of the present invention tests isolating device, wherein, the first binding post of the first conducting rod automatically
Second binding post B-2 of B-1 and the second conducting rod, in the same side, tests two outfans of product respectively needed for correspondence.The
The first contact terminal A-1 on one conducting rod and the second contact terminal A-2 on the second conducting rod is arranged on the same side, respectively with
The high-voltage output end of Hi-pot test machine and low-voltage output are to correspondence.When motor M rotates forward, insulation fixed mount H drives first to lead
Electric pole and the second conducting rod move to the position of Hi-pot test machine, the first contact terminal A-1 and the High voltage output of Hi-pot test machine
End electrical connection, the second contact terminal A-2 electrically connects with the low-voltage output of Hi-pot test machine.When motor M inverts, insulation is fixing
Frame H drives the first conducting rod and the second conducting rod to move to initial position.
As depicted in figs. 1 and 2, the high pressure of the present invention tests isolating device automatically, and position-limit mechanism D includes: the first contact,
Two contacts, the 3rd contact.The position of the first contact is corresponding with the position of Hi-pot test machine activate switch S.The position of the second contact
Put corresponding with the position of the first limit switch S2.The position of the 3rd contact is corresponding with the position of the second limit switch S4.
Automatically the position-limit mechanism D testing isolating device as the high pressure of the embodiment of the present invention includes: the first contact, second touch
Point, the 3rd contact.Wherein, the position of the first contact is corresponding with the position of Hi-pot test machine activate switch S.When first controls electricity
Rood electricity, motor M starts to rotate forward, and motor M drives position-limit mechanism D to move to Hi-pot test machine from initial position, first make contact
Touching the high voltage startup switch S of Hi-pot test machine, Hi-pot test formally starts.The position of second contact of position-limit mechanism D and the
The position of one limit switch S2 is corresponding.When Hi-pot test starts, second contact of position-limit mechanism D also can be touched first and spacing hold
The normally closed switch closing S2, the second limit switch S2 disconnects, first control circuit dead electricity, and motor M stops moving on.Position-limit mechanism
The position of the 3rd contact of D is corresponding with the position of the second limit switch S4.After test completes, motor M drives mechanism for testing C
Moving to initial position with position-limit mechanism D, the second limit switch S4, the normally-closed contact of the second limit switch S4 are touched in the 3rd contact
Being disconnected, second control circuit dead electricity, motor M stops operating.
The present embodiment achieves operator and carries out Hi-pot test in the case of need not manually regulate high-voltage value, it is ensured that
The safety of tester.
Fig. 3 is that high pressure of the present invention tests isolating device material object end connection diagram automatically.
Fig. 4 is that high pressure of the present invention tests isolating device test lead connection diagram automatically.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, when testing household electrical appliance, the power line L/N terminated line of household electrical appliance is arrived
On the binding post B-1 of the first conducting rod, the metal shell of household electrical appliance or the metal terminal exposed are wired to the second conduction
On the binding post B-2 of bar, Hi-pot test machine sets the high-voltage value needing test, press switch S1.
Switch S1 Guan Bi, the first relay coil R1 obtains electric, and motor M and the first relay coil R1 series connection is just being connected on power supply
On V, motor M rotates forward, and drives mechanism for testing C and position-limit mechanism D to move to the position of Hi-pot test machine.
The first contact terminal A-1 of mechanism for testing C electrically connects with the high-pressure side Hi of Hi-pot test machine, the of mechanism for testing C
Two contact terminal A-2 electrically connect with the low pressure Lo end of Hi-pot test machine, the first contact Hi-pot test machine of position-limit mechanism D
High voltage startup switch S, Hi-pot test starts.When second contact of position-limit mechanism D touches the first limit switch S2, normally closed spacing
Switch S2 disconnects, and the first relay coil R1 dead electricity, motor M halts.
Timer switch S3, after the triggering signal receiving the first limit switch S2, starts timing and set in advance
Closing after certain time, the second relay coil R2 obtains electric, and the motor M reversal connection connected with the second relay coil R2 is at power supply V
On, motor M inverts, and drives mechanism for testing C and position-limit mechanism D to move to initial position.
When the 3rd contact of position-limit mechanism D touches the second limit switch S4, normally closed limit switch S4 disconnects, and first continues
Electric apparatus coil R1 dead electricity, motor M is out of service.
Now, the first binding post B-1 and the second binding post B-2 of mechanism for testing C is exposed at outside test device, high pressure
Test terminates, and new Hi-pot test can iterate through after being wired to B-1 and B-2 terminal, starts S1 and starts Hi-pot test.
In whole test process, the first binding post B-1 and the second binding post B-2 of mechanism for testing C do not have all the time
Expose, it is ensured that the safety of tester in test process.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, when utilizing assembly of the invention test components and parts product, by the one of components and parts
Terminated line, on the binding post B-1 of the first conducting rod, is wired to second after one layer of aluminium-foil paper of insulation crust bag of components and parts
On the binding post B-2 of conducting rod, Hi-pot test machine sets the high-voltage value needing test, presses activate switch S1.
Switch S1 Guan Bi, the first relay coil R1 obtains electric, and motor M and the first relay coil R1 series connection is just being connected on power supply
On V, motor M rotates forward, and drives mechanism for testing C and position-limit mechanism D to move to the position of Hi-pot test machine.
The first contact terminal A-1 of mechanism for testing C electrically connects with Hi-pot test machine high-pressure side Hi, the second of mechanism for testing C
Contact terminal A-2 electrically connects with Hi-pot test machine low-pressure end Lo, the high pressure of the first contact Hi-pot test machine of position-limit mechanism D
Activate switch S, Hi-pot test starts.It is disconnected that the first limit switch S2, normally closed limit switch S2 are touched in second contact of position-limit mechanism D
Opening, the first relay coil R1 dead electricity, motor M halts.
Timer switch S3 is after the triggering signal receiving the first limit switch S2, and during according to timing set in advance
Between arrive after close, the second relay coil R2 obtains electric, the motor M reversal connection connected with the second relay coil R2 on power supply V,
Motor M inverts, and drives mechanism for testing C and position-limit mechanism D to move to initial position.
Touch the second limit switch S4, normally closed limit switch S4 when the 3rd contact of position-limit mechanism D to disconnect, the first relay
Coil R1 dead electricity, motor M is out of service.
Binding post the first binding post B-1 and the second binding post B-2 of mechanism for testing C is exposed at outside test device, high
Pressure test terminates, and new Hi-pot test can iterate through after being wired to B-1 and B-2 terminal, starts S1 and starts Hi-pot test.
The present invention provides a kind of high pressure automatically to test isolating device, passes through technical scheme, it is achieved that operator
Member carries out Hi-pot test in the case of need not manually regulate high-voltage value, ensures the safety of tester.Avoid at high pressure
In test process, owing to anthropic factor is the highest, it is impossible to guarantee the concordance of test result, there is bigger uncertain factor and people
For erroneous judgement.It also avoid, in tester's operating process, it is possible to because the height that loop high-voltage does not drains or equipment sets
Pressure is not turned off, and causes bigger personnel's maloperation or tester to get an electric shock injury.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or explains the present invention's
Principle, and be not construed as limiting the invention.Therefore, that is done in the case of without departing from the spirit and scope of the present invention is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.Additionally, claims purport of the present invention
Whole within containing the equivalents falling into scope and border or this scope and border change and repair
Change example.
Claims (10)
1. a high pressure tests isolating device automatically, it is characterised in that is used for controlling mechanism for testing and realizes certainly with Hi-pot test machine
It is dynamically connected or automatically disconnects；This device includes: motor, mechanism for testing and control circuit；Described motor and described mechanism for testing machine
Tool connects, and electrically connects with described control circuit；Described motor, when receiving the forward current of described control circuit output, drives
Dynamic described mechanism for testing moves to the first precalculated position from initial position；Described motor is receiving the output of described control circuit
During reverse current, described driving mechanism for testing is retracted into initial position from the first precalculated position；Described first precalculated position is institute
Stating mechanism for testing can be with the position of described Hi-pot test mechatronics.
High pressure the most according to claim 1 tests isolating device automatically, wherein, described control circuit include power supply, first
Control circuit and second control circuit；Described first control circuit just connects with the electrode of described power supply after connecting with described motor；
Described second control circuit connect with described motor after with the electrode reversal connection of described power supply；Described first control circuit and described the
Two control circuits are in parallel.
High pressure the most according to claim 2 tests isolating device automatically, and wherein, described first control circuit includes mutually going here and there
First switch and the first relay coil of connection；Described first relay coil connect with described motor after with the electricity of described power supply
The most just connect；When, after described first switch Guan Bi, described first relay coil is energized.
High pressure the most according to claim 3 tests isolating device automatically, and wherein, described second control circuit includes mutually going here and there
The timer switch of connection and the second relay coil；Described second relay coil connect with described motor after with described power supply
Electrode reversal connection；After described timer switch closes, described second relay coil energising.
High pressure the most according to claim 4 tests isolating device automatically, also includes spacing with what described motor was mechanically connected
Mechanism；
Described motor receive described control circuit output forward current time, drive described position-limit mechanism from initial position to
Described Hi-pot test machine moves so that described position-limit mechanism touches the high voltage startup switch of described Hi-pot test machine；Described motor
When receiving the reverse current of described control circuit output, described position-limit mechanism is driven to return to initial position.
High pressure the most according to claim 5 tests isolating device automatically, and described first control circuit also includes and described
One switch, the first limit switch of described first relay coil series connection；Described first limit switch is arranged at when described spacing
When the high voltage startup switch of described Hi-pot test machine touches in mechanism so that described position-limit mechanism touches described first spacing simultaneously
The position of switch；Described first limit switch disconnects when being touched by described position-limit mechanism.
High pressure the most according to claim 6 tests isolating device automatically, and described first limit switch is opened with described intervalometer
Close electrical connection；When described first limit switch power-off arrives the scheduled time, described timer switch closes.
High pressure the most according to claim 7 tests isolating device automatically, and described second control circuit also includes fixed with described
Time device switch, described second relay coil series connection the second limit switch；Described second limit switch is arranged at when described limit
When position mechanism returns to initial position so that described position-limit mechanism can touch the position of described second limit switch；
Described second limit switch disconnects when being touched by described position-limit mechanism.
9. automatically testing isolating device according to the high pressure described in any one of claim 1-8, wherein, described mechanism for testing includes:
Insulation fixed mount and be disposed therein mutually insulated and the first conducting rod be arrangeding in parallel and the second conducting rod, the first contact, the
Two contacts, the 3rd contact；Described first conducting rod one end is provided with the first contact terminal, and the other end is provided with the first terminals
Son；Described second conducting rod one end is provided with the second contact terminal, and the other end is provided with the second binding post；Described first contact
Position corresponding with the position that the high voltage startup of described Hi-pot test machine switchs；The position of described second contact and described first
The position of limit switch is corresponding；The position of described 3rd contact is corresponding with the position of described second limit switch；Described absolutely
Edge fixed mount is mechanically connected with described motor.
High pressure the most according to claim 9 tests isolating device automatically, wherein, and described first contact terminal and described the
Two contact terminals are arranged at homonymy, and described first binding post and described second binding post are arranged at homonymy；Described first connects
Contravention is for electrically connecting the high-voltage output end of described Hi-pot test machine, and described second contact terminal is used for electrically connecting described high pressure
The low-voltage output of test machine；Described first binding post is for electrically connecting the high-voltage output end of electric equipment to be tested；Described
Second binding post is for electrically connecting the low-voltage output of electric equipment to be tested.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433441A (en) * | 2021-08-26 | 2021-09-24 | 长缆电工科技股份有限公司 | High-voltage experiment test piece testing device and method |
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| WO2011112148A1 (en) * | 2010-03-10 | 2011-09-15 | Weng Khin Ho | Test platform for electric motors |
| CN103080757A (en) * | 2010-07-19 | 2013-05-01 | Abb技术有限公司 | Device and method for detecting a ground fault |
| WO2016049825A1 (en) * | 2014-09-29 | 2016-04-07 | Abb Technology Ltd | Method and device for monitoring circuit breaker |
| WO2016110426A1 (en) * | 2015-01-09 | 2016-07-14 | Abb Technology Ag | A method for determining the operating status of a mv switching apparatus of the electromagnetic type. |
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|---|---|---|---|---|
| WO2011112148A1 (en) * | 2010-03-10 | 2011-09-15 | Weng Khin Ho | Test platform for electric motors |
| CN103080757A (en) * | 2010-07-19 | 2013-05-01 | Abb技术有限公司 | Device and method for detecting a ground fault |
| WO2016049825A1 (en) * | 2014-09-29 | 2016-04-07 | Abb Technology Ltd | Method and device for monitoring circuit breaker |
| WO2016110426A1 (en) * | 2015-01-09 | 2016-07-14 | Abb Technology Ag | A method for determining the operating status of a mv switching apparatus of the electromagnetic type. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113433441A (en) * | 2021-08-26 | 2021-09-24 | 长缆电工科技股份有限公司 | High-voltage experiment test piece testing device and method |
| CN113433441B (en) * | 2021-08-26 | 2022-01-07 | 长缆电工科技股份有限公司 | High-voltage experiment test piece testing device and method |
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Application publication date: 20170104 Assignee: Jiangsu Yueke Testing Technology Service Co., Ltd Assignor: U.K Standard Testing Co., Ltd. Contract record no.: X2019440000055 Denomination of invention: High voltage automatic test isolation device Granted publication date: 20181130 License type: Common License Record date: 20191226 |
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Address after: 523560 Guangdong city of Dongguan province Changping Zhen Nan Pu branch center building E Patentee after: Guangdong Youke testing certification Co., Ltd Address before: 523560 Guangdong city of Dongguan province Changping Zhen Nan Pu branch center building E Patentee before: GUANGDONG U.K STANDARD TESTING SERVICE Co.,Ltd. |
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Effective date of registration: 20201214 Address after: Room 101, building B, xinyongsheng science and Technology Park, No.70 Wenquan South Road, Xinwei village, Shilong Town, Dongguan City, Guangdong Province Patentee after: Guangdong ningpu Electric Technology Co.,Ltd. Address before: 523560 building e, Nanpu science and technology innovation center, Changping Town, Dongguan City, Guangdong Province Patentee before: Guangdong Youke testing certification Co.,Ltd. |