CN106291180B - High pressure tests isolating device automatically - Google Patents
High pressure tests isolating device automatically Download PDFInfo
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- CN106291180B CN106291180B CN201610623379.0A CN201610623379A CN106291180B CN 106291180 B CN106291180 B CN 106291180B CN 201610623379 A CN201610623379 A CN 201610623379A CN 106291180 B CN106291180 B CN 106291180B
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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 pressures to test isolating device automatically, is related to electrical equipment testing field.High pressure disclosed by the invention tests isolating device automatically, realizes for controlling mechanism for testing and Hi-pot test machine and connect automatically or automatic disconnection.The device includes：Motor, mechanism for testing and control circuit.Motor and mechanism for testing are mechanically connected, and are electrically connected with control circuit.Motor drives mechanism for testing to be moved to the first predetermined position from initial position when receiving the forward current of control circuit output.Motor drives mechanism for testing to be retracted into initial position from the first predetermined position when receiving the reverse current of control circuit output.First predetermined position is that mechanism for testing can be with the position of Hi-pot test mechatronics.Automatic test isolating device disclosed by the invention, realizes operator and carries out Hi-pot test in the case where not needing to manually adjust high-voltage value, has protected the safety of barrier tester.
Description
Technical field
The present invention relates to electrical equipment testing fields more particularly to a kind of high pressure to test isolating device automatically.
Background technique
Hi-pot test is a test critically important in electric test, and in order to realize Hi-pot test, Hi-pot test machine is just answered
It transports and gives birth to.It in the prior art, when Hi-pot test, and has only been received by the way that Hi-pot test region to be artificially isolated
The personnel of professional training could operate and ensure using the method for Hi-pot test machine the safety of tester.
Hi-pot test is that the safety detection of all electric equipment products must have project, in the prior art, the behaviour of Hi-pot test
It is as follows to make process：Firstly, the high-voltage output end of Hi-pot test machine and low-voltage output are coupled with electric appliance manually by tester
On product；Then, tester has manually set the high-voltage value of standard requirements；Finally, tester manually boots Hi-pot test
The switch of machine carries out Hi-pot test.Whether the judgement of test is mainly alarmed by Hi-pot test machine, and artificially observes test process
Appeared in the phenomenon that.In the entire experiment process, being all must manually operated.
The shortcomings that prior art：Disadvantage 1：Required high-voltage value is manually adjusted, Hi-pot test is then carried out, it can not be to operator
The safety of member is ensured, it is more likely that the danger got an electric shock during artificially manually adjusting.
Disadvantage 2：Human factor in entire High-Voltage Testing Process is too high, it is difficult to ensure that the consistency of test result, exists
Larger uncertain factor and artificial erroneous judgement.
Disadvantage 3：When tester operates, exist because loop high-voltage does not drain or the high pressure of equipment setting such as is not turned off at the originals
Cause causes biggish personnel misoperation or personnel to get an electric shock and injures.
Based on the above issues, technical solution of the present invention is proposed.The present invention is the case where ensuring tester's personal safety
Under make the operation of Hi-pot test effective and safe.
Summary of the invention
Test isolating device automatically the object of the present invention is to provide a kind of high pressure, automatic test disclosed by the invention every
From device, realizes operator and carry out Hi-pot test in the case where not needing to manually adjust high-voltage value, on the one hand improve and survey
On the other hand the accuracy of examination ensures the life security of tester.
To achieve the goals above, the present invention provides a kind of high pressures to test isolating device automatically, for controlling test machine
Structure is realized with Hi-pot test machine to be connect automatically or disconnects automatically.High pressure provided by the invention tests isolating device automatically：Horse
It reaches, mechanism for testing and control circuit；The motor and the mechanism for testing are mechanically connected, and are electrically connected to the control circuit；
The motor drives the mechanism for testing to be moved to from initial position when receiving the forward current of the control circuit output
First predetermined position；The motor when receiving the reverse current of control circuit output, drive the mechanism for testing from
First predetermined position is retracted into initial position；First predetermined position is that the mechanism for testing can be with the Hi-pot test machine
The position of electrical connection.
Wherein, the control circuit includes power supply, first control circuit and second control circuit；The first control circuit
It is just being connect after connecting with the motor with the electrode of the power supply；The second control circuit connect with the motor after with the electricity
The electrode in source is reversely connected, and the first control circuit is in parallel with the second control circuit.
Further, the first control circuit includes the first switch being serially connected and the first relay coil；It is described
First relay coil is just connecing after connecting with the motor with the electrode of the power supply；It is described after first switch closure
First relay coil is powered.
Further, the second control circuit includes the timer switch being serially connected and the second relay coil；Institute
It states and is reversely connected after the second relay coil is connected with the motor with the electrode of the power supply；After timer switch closure,
Second relay coil is powered.
Further, high pressure tests isolating device automatically, further includes the position-limit mechanism with motor mechanical connection；It is described
Motor drives the position-limit mechanism from initial position to the high pressure when receiving the forward current of control circuit output
Test machine is mobile, so that the position-limit mechanism touches the high voltage startup switch of the Hi-pot test machine；The motor is receiving
When the reverse current of the control circuit output, the position-limit mechanism is driven to return to initial position.
Further, the first control circuit further includes connecting with the first switch, first relay coil
The first limit switch；First limit switch is set to when the high pressure that the position-limit mechanism touches the Hi-pot test machine opens
When dynamic switch, so that the position-limit mechanism touches the position of first limit switch simultaneously；First limit switch exists
It is disconnected when being touched by the position-limit mechanism.
Further, first limit switch is electrically connected with the timer switch；When first limit switch is disconnected
When electricity reaches the predetermined time, the timer switch closure.
Further, the second control circuit further includes and the timer switch, the second relay coil string
Second limit switch of connection；Second limit switch is set to when the position-limit mechanism returns to initial position, so that described
Position-limit mechanism can touch the position of second limit switch；Second limit switch is touched by the position-limit mechanism
Disconnection when touching.
Wherein, the mechanism for testing includes：Insulation and is disposed therein mutually insulated and disposed in parallel first at fixed frame
Conducting rod and the second conducting rod, the first contact, the second contact, third contact；First conducting rod one end is provided with first and connects
Contravention, the other end are provided with the first connecting terminal；Second conducting rod one end is provided with the second contact terminal, and the other end is set
It is equipped with the second connecting terminal；The position of first contact is opposite with the position that the high voltage startup of the Hi-pot test machine switchs
It answers；The position of second contact is corresponding with the position of first limit switch；The position of the third contact with it is described
The position of second limit switch is corresponding；The insulation fixed frame and the motor are mechanically connected.
Further, first contact terminal is set to ipsilateral, first terminals with second contact terminal
It is sub be set to second connecting terminal it is ipsilateral；First contact terminal is used to be electrically connected the high pressure of the Hi-pot test machine
Output end, second contact terminal are used to be electrically connected the low-voltage output of the Hi-pot test machine；First connecting terminal
For being electrically connected the high-voltage output end of electrical equipment to be tested；Second connecting terminal is for being electrically connected electrical equipment to be tested
Low-voltage output.
As described above, a kind of high pressure provided by the present invention tests isolating device automatically, realizes operator and be not required to
Hi-pot test is carried out in the case where manually adjusting high-voltage value, ensures the life security of tester.It also avoids surveying in high pressure
During examination, since human factor is too high, the consistency of test result cannot ensure, there are biggish uncertain factor and artificially
The problem of erroneous judgement.It also avoids in tester's operating process, it is possible to because loop high-voltage does not drain or equipment setting
High pressure be not turned off, cause biggish personnel misoperation or tester to get an electric shock injury.
Detailed description of the invention
Fig. 1 is that high pressure of the present invention tests isolating device automatically and docks 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 that Hi-pot test isolating device motor of the present invention connects to power supply schematic diagram；
Fig. 2-2 is Hi-pot test isolating device first control circuit, second control circuit and power supply connection signal of the present invention
Figure.
Fig. 3 is that high pressure of the present invention tests isolating device material object end connection schematic diagram automatically.
Fig. 4 is that high pressure of the present invention tests isolating device test lead connection schematic diagram automatically.
Appended drawing reference：V：Power supply, S1：First switch, R1：First relay coil, S2：First limit switch, S3：Periodically
Device switch, R2：Second relay coil, S4：Second limit switch, M：Motor, C：Mechanism for testing, A-1：First contact terminal,
B-1：First connecting terminal, A-2：Second contact terminal, B-2：Second connecting terminal, H：Insulate fixed frame, D：Position-limit mechanism, S：
High voltage startup switch.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Fig. 1 is that high pressure of the present invention tests isolating device automatically and docks 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, high pressure of the invention tests isolating device automatically, surveys for controlling mechanism for testing C and high pressure
Test-run a machine realizes automatic connection or automatic disconnection.The device includes：Motor M, mechanism for testing C and control circuit.Motor M and test machine
Structure C mechanical connection, and be electrically connected with control circuit.Motor M is when receiving the forward current of control circuit output, driving test
Mechanism C is moved to the first predetermined position from initial position.Motor M is when receiving the reverse current of control circuit output, driving
Mechanism for testing C is retracted into initial position from the first predetermined position.First predetermined 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, including motor M, mechanism for testing C and control circuit automatically.
Motor M and mechanism for testing C is mechanically connected, and when motor M rotation, mechanism for testing C also can be moved and then.
Motor M is electrically connected with control circuit.When motor M is just connecing in control circuit, obtains forward current, motor M is opened
Begin to rotate forward, and drives the mechanism for testing C of mechanical connection mobile from initial position to the position of Hi-pot test machine, Hi-pot test
Machine is electrically connected with mechanism for testing C.When motor M reversal connection is in control circuit, when obtaining reverse current, motor M starts to invert, and band
The mechanism for testing C of dynamic mechanical connection is retracted from the position of Hi-pot test machine to initial position.
High pressure as the embodiment of the present invention tests isolating device automatically, wherein the preferred servo motor of motor M.
As shown in Fig. 2, high pressure of the invention tests isolating device automatically, wherein control circuit includes power supply V, the first control
Circuit and second control circuit processed.First control circuit is just connecing after connecting with motor M with the electrode of power supply V.Second control circuit
It is reversely connected after connecting with motor M with the electrode of power supply V.First control circuit is in parallel with second control circuit.
The control circuit that high pressure as the embodiment of the present invention is tested automatically in isolating device includes power supply V, the 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 series connection, when circuit conducting, motor M is just being connect on power supply V, and motor M is rotated forward.After the second control, which connects, to be connected on power supply V,
Motor M is reversely connected on power supply V, motor M reversion.
As shown in Fig. 2, high pressure of the 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
It connects.After first switch S1 closure, the first relay coil R1 is powered.
The first control circuit that high pressure as the embodiment of the present invention is tested automatically in isolating device includes being serially connected
First switch S1 and the first relay coil R1.First relay coil R1 is normally closed relay coil.First relay coil
R1 connects with motor M and is followed by power supply V, and when starting first switch S1, it is closed, the first relay coil R1 obtains electric, horse
It is just being connect on power supply V up to M, motor M is rotated forward.
As shown in Fig. 2, high pressure of the 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
It is reversely connected after connecting with motor M with the electrode of power supply V.After timer switch S3 closure, the second relay coil R2 is powered.
It includes the second relay that high pressure as the embodiment of the present invention tests the second control circuit in isolating device automatically
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 be closed after certain time, the second relay coil R2 must be conducted, at this moment, with the second relay
For the concatenated motor M reversal connection of device coil R2 on the positive and negative anodes of power supply V, motor M realizes reversion.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, further includes the limit with motor M mechanical connection
Position mechanism D.When receiving the forward current of control circuit output, driving position-limit mechanism D is surveyed motor M from initial position to high pressure
Test-run a machine is mobile, 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 when, driving position-limit mechanism D return to initial position.
High pressure as the embodiment of the present invention tests isolating device automatically, wherein motor M and position-limit mechanism D is mechanically connected.
When motor M is just connecing at the both ends of power supply V, when obtaining forward current, motor M is rotated forward, and drives the test being mechanically connected therewith
Movement of the mechanism C from initial position to the direction of Hi-pot test machine, position-limit mechanism D touch the high voltage startup switch of Hi-pot test machine
S.It thereby realizes and does not need tester and press high voltage startup switch S manually to start High-Voltage Experimentation.When motor M reversal connection exists
The both ends of power supply V, when obtaining reverse current, motor M starts to invert, and will drive position-limit mechanism D to original opposite side
Position to movement, before being returned to Hi-pot test.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, and first control circuit further includes and first
Switch S1, the concatenated first limit switch S2 of the first relay coil R1.First limit switch S2 is set to when position-limit mechanism D is touched
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 disconnection when being limited mechanism D touching.
The first control circuit that high pressure as the embodiment of the present invention is tested automatically in isolating device further includes the first limit
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
When pressure starts 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 at this time
As normally opened contact, so that first control circuit power loss disconnects.Motor M stops operating.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, and the first limit switch S2 is opened with timer
Close S3 electrical connection.When the first limit switch S2, which is powered off, reaches the predetermined time, timer switch S3 closure.
High pressure as the embodiment of the present invention tests the first limit switch S2 and timer switch in isolating device automatically
S3 electrical connection.Position-limit mechanism D touch the first limit switch S2 make the first limit switch S2 normally opened contact disconnect 40s after,
Timer switch S3 closure.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, and second control circuit further includes and timing
Device switch S3, the concatenated second limit switch S4 of the second relay coil R2.Second limit switch S4 is set to as position-limit mechanism D
When returning to initial position, position-limit mechanism D is enabled to touch the position of the second limit switch S4.Second limit switch S4 exists
Disconnection when being limited mechanism D touching.
The second control circuit that high pressure as the embodiment of the present invention tests isolating device automatically further includes that the second limit is opened
S4 is closed, the second limit switch S4 connects with timer switch S3 and the second relay coil R2.Timer switch S3 closure, 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, position-limit mechanism D touches the second limit switch S4, and the second limit switch S4's is normally closed
Contact disconnects at this time.Entire control circuit power loss, motor M stop operating.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, and mechanism for testing C includes：Insulate fixed frame H
Be disposed therein mutually insulated and the first conducting rod disposed in parallel and the second conducting rod.First conducting rod one end is provided with
One contact terminal A-1, the other end are provided with the first connecting terminal 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 connecting terminal B-2.
The fixed frame H and motor M that insulate is mechanically connected.
The mechanism for testing C that high pressure as the embodiment of the present invention is tested automatically in isolating device includes：Insulate fixed frame H and
It is disposed therein mutually insulated and the first conducting rod disposed in parallel and the second conducting rod.The both ends of two conducting rods all respectively have one
A connecting terminal and contact terminal.Insulation fixed frame H and motor M is mechanically connected.When motor M is rotated forward, drive insulation solid
It is mobile to the position of Hi-pot test machine to determine frame H, the first conducting rod and the second conducting rod are moved together with insulation fixed frame H.Work as horse
Up to when M reversion, fixed insulating frame H drives the first conducting rod and the second conducting rod mobile to initial position.
High pressure as the embodiment of the present invention tests isolating device automatically, wherein conducting rod is preferably conductive copper bar.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, and the first contact terminal A-1 is contacted with second
Terminal A-2 is set to ipsilateral, and the first connecting terminal B-1 and the second connecting terminal B-2 is set to ipsilateral；First contact terminal A-1
For being electrically connected the high-voltage output end of Hi-pot test machine, the low pressure that the second contact terminal A-2 is used to be electrically connected Hi-pot test machine is defeated
Outlet；First connecting terminal B-1 is used to be electrically connected the high-voltage output end of electrical equipment to be tested, and the second connecting terminal B-2 is used for
It is electrically connected the low-voltage output of electrical equipment to be tested.
High pressure as the embodiment of the present invention tests isolating device automatically, wherein the first connecting terminal of the first conducting rod
Second connecting terminal B-2 of B-1 and the second conducting rod respectively corresponds two output ends of required test product in the same side.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 in the same side, respectively with
The high-voltage output end and low-voltage output of Hi-pot test machine are to correspondence.When motor M is rotated forward, insulation fixed frame H drives first to lead
Electric pole and the second conducting rod are mobile to the position of Hi-pot test machine, the High voltage output of the first contact terminal A-1 and Hi-pot test machine
End electrical connection, the second contact terminal A-2 are electrically connected with the low-voltage output of Hi-pot test machine.When motor M reversion, insulation is fixed
Frame H drives the first conducting rod and the second conducting rod mobile to initial position.
As depicted in figs. 1 and 2, high pressure of the invention tests isolating device automatically, and position-limit mechanism D includes：First contact,
Two contacts, third contact.The position of first contact is corresponding with the position that Hi-pot test machine starts switch S.The position of second contact
It sets corresponding with the position of the first limit switch S2.The position of third contact is corresponding with the position of the second limit switch S4.
The position-limit mechanism D that high pressure as the embodiment of the present invention tests isolating device automatically includes：First contact, the second touching
Point, third contact.Wherein, the position of the first contact is corresponding with the position that Hi-pot test machine starts switch S.When the first control electricity
Rood electricity, motor M start to rotate forward, and motor M drives position-limit mechanism D mobile from initial position to Hi-pot test machine, first contact point
The high voltage startup switch S of Hi-pot test machine is touched, Hi-pot test formally starts.The position of the second contact of position-limit mechanism D and the
The position of one limit switch S2 is corresponding.When Hi-pot test starts, the second contact of position-limit mechanism D can also touch the first limit and hold
S2 is closed, the normally closed switch of the second limit switch S2 disconnects, and first control circuit power loss, motor M stopping moves on.Position-limit mechanism
The position of the third contact of D is corresponding with the position of the second limit switch S4.After the completion of test, motor M drives mechanism for testing C
Mobile 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 third contact
It is disconnected, second control circuit power loss, motor M stops operating.
The present embodiment realizes operator and carries out Hi-pot test in the case where not needing to manually adjust 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 schematic diagram automatically.
Fig. 4 is that high pressure of the present invention tests isolating device test lead connection schematic diagram automatically.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, when testing household electrical appliance, the power supply line L/N terminated line of household electrical appliance is arrived
On the connecting terminal B-1 of first conducting rod, the metal shell of household electrical appliance or exposed metal terminal are wired to the second conduction
On the connecting terminal B-2 of bar, setting on Hi-pot test machine needs high-voltage value to be tested, by lower switch S1.
Switch S1 closure, the first relay coil R1 obtain it is electric, motor M and the first relay coil R1 series connection just connecing in power supply
On V, motor M is rotated forward, and drives mechanism for testing C and position-limit mechanism D mobile to the position of Hi-pot test machine.
The first contact terminal A-1 of mechanism for testing C is electrically connected with the high-voltage end Hi of Hi-pot test machine, and the of mechanism for testing C
Two contact terminal A-2 are electrically connected with the end low pressure Lo of Hi-pot test machine, the first contact contact Hi-pot test machine of position-limit mechanism D
High voltage startup switch S, Hi-pot test start.When the second contact of position-limit mechanism D touches the first limit switch S2, normally closed limit
Switch S2 is disconnected, and the first relay coil R1 power loss, motor M halts.
Timer switch S3 starts timing and preset after the trigger signal for receiving the first limit switch S2
Be closed after a certain period of time, the second relay coil R2 obtain it is electric, with the second relay coil R2 concatenated motor M reversal connection in power supply V
On, motor M reversion drives mechanism for testing C and position-limit mechanism D mobile to initial position.
When the third contact of position-limit mechanism D touches the second limit switch S4, normally closed limit switch S4 is disconnected, first after
Electric apparatus coil R1 power loss, motor M are out of service.
At this point, the first connecting terminal B-1 and the second connecting terminal B-2 of mechanism for testing C are exposed at outside test device, high pressure
Test terminates, new Hi-pot test can iterate through be wired to B-1 and B-2 terminal after, starting S1 start Hi-pot test.
In entire test process, the first connecting terminal B-1 and the second connecting terminal B-2 of mechanism for testing C does not have always
It is exposed, it is ensured that the safety of tester in test process.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, when using the device of the invention test component product, by the one of component
In terminated line to the connecting terminal B-1 of the first conducting rod, second will be wired to after one layer of aluminium-foil paper of insulation crust packet of component
On the connecting terminal B-2 of conducting rod, setting on Hi-pot test machine needs high-voltage value to be tested, presses and starts switch S1.
Switch S1 closure, the first relay coil R1 obtain it is electric, motor M and the first relay coil R1 series connection just connecing in power supply
On V, motor M is rotated forward, and drives mechanism for testing C and position-limit mechanism D mobile to the position of Hi-pot test machine.
The first contact terminal A-1 of mechanism for testing C is electrically connected with Hi-pot test machine high-voltage end Hi, and the second of mechanism for testing C
Contact terminal A-2 is electrically connected with Hi-pot test machine low-pressure end Lo, the high pressure of the first contact contact Hi-pot test machine of position-limit mechanism D
S is started switch, Hi-pot test starts.It is disconnected that the first limit switch S2, normally closed limit switch S2 is touched in the second contact of position-limit mechanism D
It opens, the first relay coil R1 power loss, motor M halts.
Timer switch S3 is after the trigger signal for receiving the first limit switch S2, and when according to preset timing
Between reach after be closed, the second relay coil R2 obtain it is electric, with the second relay coil R2 concatenated motor M reversal connection on power supply V,
Motor M reversion drives mechanism for testing C and position-limit mechanism D mobile to initial position.
When the second limit switch S4, normally closed limit switch S4 disconnection, the first relay are touched in the third contact of position-limit mechanism D
Coil R1 power loss, motor M are out of service.
Connecting terminal the first connecting terminal B-1 and the second connecting terminal B-2 of mechanism for testing C is exposed at outside test device, high
Pressure test terminate, new Hi-pot test can iterate through be wired to B-1 and B-2 terminal after, starting S1 start Hi-pot test.
The present invention provides a kind of high pressure and tests isolating device automatically, according to the technical solution of the present invention, realizes operator
Member carries out Hi-pot test in the case where not needing to manually adjust high-voltage value, ensures the safety of tester.It avoids in high pressure
In test process, since human factor is too high, the consistency of test result cannot ensure, there are biggish uncertain factor and people
For erroneous judgement.It also avoids, in tester's operating process, it is possible to because loop high-voltage does not drain or the height of equipment setting
Pressure is not turned off, and is caused biggish personnel misoperation or tester to get an electric shock and is injured.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of high pressure tests isolating device automatically, which is characterized in that realized certainly for controlling mechanism for testing and Hi-pot test machine
Dynamic connection or automatic disconnection；
The device includes：Motor, mechanism for testing and control circuit；
The motor and the mechanism for testing are mechanically connected, and are electrically connected to the control circuit；
The motor drives the mechanism for testing to move from initial position when receiving the forward current of the control circuit output
It moves to the first predetermined position；
The motor drives the mechanism for testing from the first pre-determined bit when receiving the reverse current of the control circuit output
It sets and is retracted into initial position；
First predetermined position is that the mechanism for testing can be with the position of the Hi-pot test mechatronics.
2. high pressure according to claim 1 tests isolating device automatically, wherein the control circuit includes power supply, first
Control circuit and second control circuit；
The first control circuit is just connecing after connecting with the motor with the electrode of the power supply；
The second control circuit is reversely connected after connecting with the motor with the electrode of the power supply；
The first control circuit is in parallel with the second control circuit.
3. high pressure according to claim 2 tests isolating device automatically, wherein
The first control circuit includes the first switch being serially connected and the first relay coil；First relay coil
It is just being connect after connecting with the motor with the electrode of the power supply；After first switch closure, first relay coil
It is powered.
4. high pressure according to claim 3 tests isolating device automatically, wherein
The second control circuit includes the timer switch being serially connected and the second relay coil；The second relay line
It encloses after connecting with the motor and is reversely connected with the electrode of the power supply；After timer switch closure, second relay
Coil is powered.
It further include the limit with motor mechanical connection 5. high pressure according to claim 4 tests isolating device automatically
Mechanism；
The motor when receiving the forward current of control circuit output, drive the position-limit mechanism from initial position to
The Hi-pot test machine is mobile, so that the position-limit mechanism touches the high voltage startup switch of the Hi-pot test machine；
The motor drives the position-limit mechanism to return to initial bit when receiving the reverse current of the control circuit output
It sets.
6. high pressure according to claim 5 tests isolating device automatically, the first control circuit further includes and described
One switch, concatenated first limit switch of first relay coil；
First limit switch is set to when the position-limit mechanism touches the high voltage startup switch of the Hi-pot test machine, is made
Obtain the position that the position-limit mechanism touches first limit switch simultaneously；
First limit switch is disconnected when being touched by the position-limit mechanism.
7. high pressure according to claim 6 tests isolating device automatically, first limit switch is opened with the timer
Powered-down connection；When first limit switch, which powers off, reaches the predetermined time, the timer switch closure.
8. high pressure according to claim 7 tests isolating device automatically, the second control circuit further include with it is described fixed
When device switch, concatenated second limit switch of second relay coil；
Second limit switch is set to when the position-limit mechanism returns to initial position, and the position-limit mechanism is touched
Contact the position of second limit switch；
Second limit switch is disconnected when being touched by the position-limit mechanism.
9. high pressure according to claim 1-8 tests isolating device automatically, wherein the mechanism for testing includes:
Insulation fixed frame and it is disposed therein mutually insulated and the first conducting rod disposed in parallel and the second conducting rod, the first contact, the
Two contacts, third contact；
First conducting rod one end is provided with the first contact terminal, and the other end is provided with the first connecting terminal；
Second conducting rod one end is provided with the second contact terminal, and the other end is provided with the second connecting terminal；
The position of first contact is corresponding with the position that the high voltage startup of the Hi-pot test machine switchs；
The position of second contact is corresponding with the position of first limit switch；
The position of the third contact is corresponding with the position of second limit switch；
The insulation fixed frame and the motor are mechanically connected.
10. high pressure according to claim 9 tests isolating device automatically, wherein
First contact terminal is set to ipsilateral with second contact terminal, and first connecting terminal connects with described second
Line terminals are set to ipsilateral；
First contact terminal is used to be electrically connected the high-voltage output end of the Hi-pot test machine, and second contact terminal is used for
It is electrically connected the low-voltage output of the Hi-pot test machine；
First connecting terminal is used to be electrically connected the high-voltage output end of electrical equipment to be tested；Second connecting terminal is used for
It is electrically connected the low-voltage output of electrical equipment to be tested.
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| CN201610623379.0A CN106291180B (en) | 2016-08-01 | 2016-08-01 | High pressure tests isolating device automatically |
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| CN201610623379.0A CN106291180B (en) | 2016-08-01 | 2016-08-01 | High pressure tests isolating device automatically |
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| CN106291180B true CN106291180B (en) | 2018-11-30 |
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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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2016
- 2016-08-01 CN CN201610623379.0A patent/CN106291180B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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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. |