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Патент USA US3054062

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Sept. 1l, 1962
H. R.sH||_L1NGToN
3,054,052
SYSTEM FoR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 1
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Sept. 1l, 1962
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SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
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Sept. ll, 1962
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H. R. SHILLINGTON
SYSTEM RoR coNNEcTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 3
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Filed April 29, 1959
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Filed April 29, 1959
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SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
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Filed April 29, 1959
19 Sheets-Sheet 8
Sept. l1, 1962
H. R.sHn_|_1NGToN
3,054,052
SYSTEM FOR coNNEcTINc ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 9
Sept' l1, 1962
H. R. sHlLLlNGToN
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sYsTEM EoR coNNEcTrNG ELECTRICAL NETWORKS
Filed April 29. 1959
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Filed April 29, 1959
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Sept- 11, 1952
H. R. sHlLLlNGToN
3,054,052
SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 sheets-sheet 12
Sept- 11, 1962
H. R. sHlLLlNGToN
3,054,052
SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 15
Sept. 1l, 1962
H. R. sHlLLlNGToN
3,054,052
SYSTEM FoR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 14
Sept. 11, 1962
3,054,052
H. R. sHlLLlNGToN
SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 15
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SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29. 1959
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Sept 11, 1962
H. R. sHlLLlNGToN
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Filed April 29, 1959
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SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
Filed April 29, 1959
19 Sheets-Sheet 18
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H. R. sHxLLlNGToN
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SYSTEM FOR CONNECTING ELECTRICAL NETWORKS
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United States Patent O ” ICC
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3,054,052
Patented Sept. l1, 1962v
2
In furtherance of the preceding object, it is another
object of this invention to provide one more test posi
3,054,052
SYSTEM FÜR CONNECTHNG ELECTRICAL
tion than the number of test sets and test conditioning
NETWÜRKS
circuits to permit loading and unloading of one of the
Harry R. Shillington, Glen Ellyn, lil., assigner to Western 5 test positions while the others are being tested.
Electric Company, Incorporated, New York, NX., a
A further object of this invention is to provide a
corporation of New York
testing system having a predetermined number of test
Filed Apr. 29, i959, Ser. No. 809,749
sets and test conditioning circuits, test positions for
13 Claims. (Cl. 324-73)
connecting components thereto numbering one greater
than the number of test sets and test conditioning cir
This invention relates to a system for connecting
cuits Íor allowing one position to be unloaded and re
electrical networks, and more particularly to a testing
loaded While the other positions are being tested, a cyclic
system for connecting a plurality of networks, such as
test sets and test conditioning circuits, to a plurality of
other networks, such as electrical devices or components,
in a predetermined sequence wherein the devices are
continuously connected to different test sets and test
conditioning circuits until all devices have received all
tests. This invention also relates to a semi-automatic step
means for sequentially connecting every test set and test
conditioning circuit individually to every test position
whereby each test position is continuously tested and is
not delayed by the tests at the other positions, and means
for stopping the testing of components at the end of
every test cycle until an operator unloads a component
which is completely tested, reloads that test position and
ping device which is especially useful as an integral part
20 resets the testing system for further operation.
of the system for connecting electrical networks.
In furtherance of the preceding object, it is an object
In the manufacturing of electrical networks, com
of this invention to provide means for resetting the test
ponents or other electrical devices, such as capacitors,
ing system to actuate a subsequent test cycle at any time
each device must be subjected to a plurality of tests to
during a present test cycle Without the subsequent cycle
insure a high quality of product. In performing these
starting until the present cycle is completed.
multiple tests it is necessary to connect the leads of
In furtherance of the preceding objects, it is another
each capacitor, network or other electrical device to
object of this invention to provide the testing system
the terminals of each test set or test conditioning circuit
with a means for stopping all units of the testing system
individually, thereby requiring, a considerable amount
in any instant, but allowing the testing system to again
of time. Typically, two automatic type systems are
used to increase the speed of such testing operations 30 start only at the beginning of a testing cycle and only
with the first test set or conditioning circuit connected
and comprise (l) mounting the capacitors on a con
to the iirst test position to insure that every component
veyor or turntable and guiding the capacitors past a
completely receives every test.
plurality of wipers for connecting the capacitors to the
A further object of this invention is to provide the
test sets and (2.) connecting each capacitor to a pair
of terminals and successively connecting the test sets 35 testing system with a means for disconnecting a component
upon failure of any test from all successive tests until
and test conditioning circuits to the pair of terminals.
the component may be unloaded from the test position
The use of conveyors and turntables to connect the
without effecting or altering the testing of the other
capacitors to test sets requires complex and highly syn
components.
chronized machinery, which is space consuming and
A still further object of this invention is to provide
expensive in both original and maintenance costs. The 40
the testing system with circuitry for indicating which
connecting of a plurality of test sets and test condition
test set or test conditioning circuit is connected to the
ing circuits to a pair of terminals to» which a capacitor
various test positions and which test position is con
is connected can be expeditiously performed if a plu
ditioned for unloading and reloading and for indicating
rality of test positions or terminals are used and the
capacitors at the test positions are each simultaneously l' the particular test that a component has failed.
With these and other objects in view, the present in
and continuously tested. Prior art testing systems of
vention contemplates a testing system having a plurality
this type have depended upon the testing of each capac
of networks, such as test sets and test conditioning cir
itor individually, and the testing of the other capacitors
cuits, for testing the quality of components or other elec
at other test positions have been delayed until the capac
itor under test has been completely or partially tested. 50 trical devices. The testing system is provided with a
plurality of -test positions each having a pair of termi
Also, difficulties have been encountered in coordinating
nals to which the electrical devices to be tested are
the connections of the many test sets and test condition
ing circuits to insure that each capacitor connected to a
connected. A cyclically operated test stepping control
single pair of terminals completely receives every test.
It is therefore an object of this invention to provide
circuit simultaneously connects each of the networks to
one of the test positions and conditions- one of the test
a new and improved system for connecting electrical
networks.
An additional object of this invention is to provide
positions for the unloading of a device completely tested
and the reloading of a device to be tested, all in one
cycle of operation. Additional control circuits operate
the test stepping control circuit through a series of operat
Another object of the present invention is to provide 60 ing cycles in such a manner that the test stepping control
circuit variesI the connections between the networks and
a system for connecting a iirst group of networks to
the test positions to connect each test position sequentially
a second group of networks in a predetermined sequence
to each network and condition each test position for un
whereby each network of the first group is connected
loading and reloading. In this manner, the test stepping
to each network of the second group.
Another object of this invention is to provide a 65 control circuit continuously operates to connect every test
position, and therefore the devices connected thereto, to
testing system having a plurality of test positions to
a new and improved semi-automatic stepping device.
which electrical devices are connected and a control
every testing network such that after a first series of opera
circuit for sequentially connecting each of a plurality
ing cycles, the test stepping control circuit produces a fully
tested capacitor after each additional operating cycle.
of test sets and test conditioning circuits to each test
In operation, the test stepping control circuit connects
position such that each device is simultaneously and 70
every test set and test conditioning circuit to one of the
continuously tested and is not delayed by the tests per
test positions and conditions one test position for the un
formed at the other test positions.
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