CN103901381A - Triaxial magnetic force test seat and triaxial magnetic force test system - Google Patents
Triaxial magnetic force test seat and triaxial magnetic force test system Download PDFInfo
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- CN103901381A CN103901381A CN201310035199.7A CN201310035199A CN103901381A CN 103901381 A CN103901381 A CN 103901381A CN 201310035199 A CN201310035199 A CN 201310035199A CN 103901381 A CN103901381 A CN 103901381A
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 241
- 230000004308 accommodation Effects 0.000 claims description 77
- 238000009434 installation Methods 0.000 claims description 31
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- 230000006698 induction Effects 0.000 description 8
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- 238000004804 winding Methods 0.000 description 3
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Abstract
The present invention relates to a three-axis magnetic test socket and a three-axis test system, and more particularly, to an integrated three-axis magnetic test socket capable of providing three axial magnetic forces for testing and a test system using the same. The triaxial magnetic force test seat and the triaxial test system replace a traditional solenoid which is wound on the whole test machine and only can provide a uniaxial magnetic field by virtue of three groups of coils wound on the test seat in different axial directions, and provide different axial magnetic fields for a to-be-tested element so as to carry out uniaxial, biaxial and triaxial magnetic force tests.
Description
Technical field
The invention relates to a kind of three axle magnetic force test bench and triaxial test systems, particularly can provide the three axle magnetic force test benches that three axial magnetic force test and the test macro of applying this three axles magnetic force test bench about a kind of.
Background technology
Along with the development of microcomputer electric component system, the various small-sized and high performance inductors with difference in functionality are developed, such as acceleration induction device, pressure inductor (or pressure gauge), magnetic force induction device (or magnetometer) etc.These inductors are except general testing electrical property, need to test its sensing performance toward contact, such as magnetic force sensing, acceleration sensing etc., just can carry out the test of sensing performance so tradition often needs to load some add-on devices for the tester table of testing electrical property.Because the test of magnetic force induction device need to, in a test magnetic field, therefore, often need to be installed solenoid (solenoid) additional and generation externally-applied magnetic field, to carry out magnetic force test on general tester table.
But, because solenoid adopts multiple winding wire, thus its not only complex structure, bulky, power consumption is also larger, and often needs plug-in power supply to provide solenoid to produce magnetic field required electric power, therefore, causes testing cost to rise.Secondly, the externally-applied magnetic field scope that solenoid produces is compared with large and shroud all element under tests in the test section of tester table, so only can provide same magnetic force test environment to test to magnetic force induction devices (or magnetometer) all in test section, and cannot provide other magnetic force test environment to test to the indivedual magnetic force induction devices (or magnetometer) in test section, therefore, in test, elasticity is less.Moreover, because so large its Distribution of Magnetic Field of externally-applied magnetic field scope is even not, the result that magnetic force induction device (or magnetometer) is tested is subject to its position in externally-applied magnetic field to be affected, thus easily cause test error or erroneous judgement, and yield and the reliability of impact test.
In addition, because additional power source often cannot accurately provide little electric current (micro level electric current), and cannot accurately produce the required magnetic field size of test, therefore, often cannot carry out precision and accurate test to magnetic force induction device (or magnetometer) characteristic, and obtain its definite magnetic force property.Due to solenoidal bulky, therefore, for example often cannot on tester table, install many group solenoids additional, so that the magnetic force test of multiple axially (twin shaft, three axles) to be provided simultaneously, and the magnetic force test of single shaft only can be provided, and not meet testing requirement with rapid changepl. never-ending changes and improvements.
In view of this, therefore need badly to propose a kind of simple in structure, volume is little, consumed power is low, cost is low, can accurately and equably produce the required magnetic field size of test test and the proving installation of the magnetic force induction device (or magnetometer) of many axial magnetics tests can be provided, make it can be integrated in traditional tester table, not only can reduce costs, simplified design, and can increase testing elastic, in order to the raising of tested productivity and reliability.
As can be seen here, above-mentioned existing inductor, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.Therefore how to found a kind of three axle magnetic force test benches and three axle magnetic force test macros of new structure, also becoming the current industry utmost point needs improved target.
Summary of the invention
The object of the invention is to, overcome the defect that existing inductor exists, and provide a kind of three axle magnetic force test benches and three axle magnetic force test macros of new structure, technical matters to be solved is to make it provide a kind of simple in structure, volume is little, consumed power is low, the three axial magnetic test benches that cost is low, can accurately and equably produce the required magnetic field of test size and disalignment to magnetic field, and element under test is carried out to single shaft, twin shaft, and the magnetic force test of three axles, indivedual element under tests are provided to other magnetic force test environment, and can increase testing elastic, in order to the raising of tested productivity and reliability, be very suitable for practicality.
Another object of the present invention is to, a kind of three axle magnetic force test benches and three axle magnetic force test macros of new structure are provided, technical matters to be solved is to make it that a kind of three axial magnetic test macros are provided, simple by integrated structure, volume is little, consumed power is low, the three axial magnetic test benches that cost is low, can accurately and equably produce the required magnetic field of test size and disalignment to magnetic field, and provide other magnetic force test environment to indivedual element under tests, and element under test is carried out to single shaft, twin shaft, and the magnetic force test of three axles, and then reduce costs, simplified design, and can increase testing elastic, in order to the raising of tested productivity and reliability, thereby be more suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.The one three axle magnetic force test benches that propose according to the present invention, wherein comprise: load bearing seat, carries out magnetic force test in order to accommodating element under test; The first axial coil is arranged in this load bearing seat in order to the first axial magnetic field to be provided; Stationary installation, is also fixed on this three axles magnetic force test bench on tester table in order to accommodating this load bearing seat; The a pair of second axial coil, is wound in this stationary installation, in order to the second axial magnetic field to be provided; The a pair of the 3rd axial coil, is wound in this stationary installation, in order to the 3rd axial magnetic field to be provided; And circuit board, be arranged at this load bearing seat below, in order to the electric connection as between this load bearing seat and this tester table.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid three axle magnetic force test benches, is characterized in that this load bearing seat comprises: base; Element under test accommodation seat, is arranged on this base and protrudes from this base, in order to accommodating element under test; This first axial coil, is wound in this element under test accommodation seat, in order to provide the first axial magnetic field to the element under test of placing in this element under test accommodation seat; And cover plate, being covered on this base, and this element under test accommodation seat and this first axial coil are placed between this cover plate and this base, this cover plate has opening, and this element under test accommodation seat is by this opening and out exposed.
Aforesaid three axle magnetic force test benches, is characterized in that having fixed part on the top surface of this base, use for this element under test accommodation seat and are sheathed on the top surface of this base, and this element under test accommodation seat is fixedly arranged on this base.
Aforesaid three axle magnetic force test benches, is characterized in that this element under test accommodation seat comprises: accommodating footstock, has the storage tank with accommodating element under test on this accommodating footstock; Base for supporting, this base for supporting bottom has pickup groove, by this pickup groove is placed on this fixed part of this base, and this element under test accommodation seat is sheathed on this base; And column between this base for supporting and this accommodating footstock links, in order to connect this base for supporting and this accommodating footstock, this first axial coil is wound in this column link.
Aforesaid three axle magnetic force test benches, is characterized in that this stationary installation comprises: holder, in order to this three axles magnetic force test bench is fixed on this tester table; And outer cover, cover on this holder in order to support or to carry this second axial coil and the 3rd axial coil, and this outer cover inside has the load bearing seat accommodation space of accommodating this load bearing seat.
Aforesaid three axle magnetic force test benches, is characterized in that having support column on this holder, be supported in this load bearing seat accommodation space, and be fixed on wherein in order to carry this load bearing seat and this circuit board.
Aforesaid three axle magnetic force test benches, is characterized in that this outer cover bottom has support column hole, and the bottom of this this load bearing seat accommodation space of outer cover bottom arrival is run through in this support column hole, and this support column carries by this support column hole and supports this load bearing seat and circuit board.
Aforesaid three axle magnetic force test benches, is characterized in that this outer cover top has element under test and picks and places hole, and this element under test picks and places the top that this load bearing seat accommodation space is run through this outer cover top and arrives in hole, in order to carry out picking and placeing of element under test.
Aforesaid three axle magnetic force test benches, is characterized in that this outer cover one side has circuit board elongated hole, and the side that this circuit board elongated hole runs through this outer cover arrives a side of this load bearing seat accommodation space, use for this circuit board by and be connected with this tester table.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The one three axle magnetic force test macros that propose according to the present invention; wherein comprise: at least three axle magnetic force test benches; in order to accommodating element under test and testing of different axial magnetic fields is provided, this three axles magnetic force test bench comprises: load bearing seat, carries out magnetic force test in order to accommodating element under test; The first axial coil is arranged in this load bearing seat in order to the first axial magnetic force to be provided; Stationary installation, is also fixed on this three axles magnetic force test bench on this tester table in order to accommodating this load bearing seat; The a pair of second axial coil, is wound in this stationary installation, in order to the second axial magnetic field to be provided; The a pair of the 3rd axial coil, is wound in this stationary installation, in order to the 3rd axial magnetic field to be provided; Circuit board, is arranged at this load bearing seat below, in order to the electric connection as between this load bearing seat and this tester table; Pick sorter (handler), in order to pick up and to place this and put element under test and test in this three axles magnetic force test bench; And tester table, in order to control respectively this three axles magnetic force test bench and this pick sorter.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid three axle magnetic force test macros, is characterized in that this load bearing seat comprises: base; Element under test accommodation seat, is arranged on this base and protrudes from this base, in order to accommodating element under test; This first axial coil, is wound in this element under test accommodation seat, in order to provide the first axial magnetic field to the element under test of placing in this element under test accommodation seat; And cover plate, being covered on this base, and this element under test accommodation seat and this first axial coil are placed between this cover plate and this base, this cover plate has opening, and this element under test accommodation seat is by this opening and out exposed.
Aforesaid three axle magnetic force test macros, is characterized in that this element under test accommodation seat comprises: accommodating footstock, has the storage tank with accommodating element under test on this accommodating footstock; Base for supporting, this base for supporting bottom has pickup groove, by this pickup groove is placed on this fixed part of this base, and this element under test accommodation seat is sheathed on this base; And column between this base for supporting and this accommodating footstock links, in order to connect this base for supporting and this accommodating footstock, this first axial coil is wound in this column link.
Aforesaid three axle magnetic force test macros, is characterized in that this stationary installation comprises: holder, in order to this three axles magnetic force test bench is fixed on this tester table; And outer cover, cover on this holder in order to support or to carry this second axial coil and the 3rd axial coil, and this outer cover inside has the load bearing seat accommodation space of accommodating this load bearing seat.
Aforesaid three axle magnetic force test macros, is characterized in that this outer cover top has element under test and picks and places hole, and this element under test picks and places the top that this load bearing seat accommodation space is run through this outer cover top and arrives in hole, in order to carry out picking and placeing of element under test.
Aforesaid three axle magnetic force test macros, is characterized in that this outer cover one side has circuit board elongated hole, and the side that this circuit board elongated hole runs through this outer cover arrives a side of this load bearing seat accommodation space, use for this circuit board by and be connected with this tester table.
Aforesaid three axle magnetic force test macros, is characterized in that this pick sorter is rotating disc type pick sorter or orthoscopic pick sorter.
The present invention compared with prior art has obvious advantage and beneficial effect.From above technical scheme, main technical content of the present invention is as follows: a kind of three axial magnetic test benches are provided, it comprises the load bearing seat that carries out magnetic force test in order to accommodating element under test, be arranged in load bearing seat and in order to provide the first axial magnetic first axial coil, in order to accommodating load bearing seat and in order to three axle magnetic force test benches are fixed on to the stationary installation on tester table, a pair of be wound in stationary installation and in order to the second axial coil of the second axial magnetic to be provided, a pair of be wound in stationary installation and in order to the 3rd axial coil of the 3rd axial magnetic to be provided, and be arranged at load bearing seat below and in order to the circuit board of the electric connection as between load bearing seat and tester table.This three axial magnetics test bench by three groups of different magnetic coils provide disalignment to magnetic force.Due to these three groups of magnetic coils only need around or be embedded at single test bench, so its magnetic coil using is much smaller than the solenoid that produces externally-applied magnetic field in traditional test board, and have simple in structure, volume is little, consumed power is low, cost is low, magnetic field is even, and kinetic current and produce the advantage such as magnetic fields of different sizes accurately.Secondly, the required electric current of this three axial magnetics test bench is little, so when being installed on tester table, can directly controlling itself can accurately control the tester table of electric current the size of current of supplying with magnetic coil, and not need accurately to control the outer live source of micro-electric current.Therefore, these three groups of magnetic coils can accurately and equably produce the required magnetic field of test size and disalignment to magnetic field, and can increase testing elastic, in order to the raising of tested productivity and reliability.
The invention provides a kind of three axial magnetic test macros, its comprise at least in order to accommodating element under test and the three axle magnetic force test benches of the present invention of testing of different axial magnetic fields are provided, in order to pick up and to place pick sorter (handler) that element under test tests in three axle magnetic force test benches and in order to control respectively the tester table of three axle magnetic force test benches and pick sorter.This three axial magnetics test macro is by three axle magnetic force test benches of the present invention are integrated in to traditional tester table, and can provide other magnetic force test environment to indivedual element under tests, and element under test is carried out to the magnetic force test of single shaft, twin shaft and three axles, and then reduce costs, simplified design, and can increase testing elastic, in order to the raising of tested productivity and reliability.
By technique scheme, the present invention's three axle magnetic force test benches and three axle magnetic force test macros at least have following advantages and beneficial effect: the invention provides one have simple in structure, volume is little, consumed power is low, cost is low, magnetic field is even, and kinetic current and produce three axial magnetic test benches and the three axial magnetic test macros of the advantages such as magnetic fields of different sizes accurately, and then reduce costs, simplified design, and can increase testing elastic, in order to the raising of tested productivity and reliability.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Figure 1A and Figure 1B are respectively schematic perspective view and the vertical view of the three axial magnetic test benches of one embodiment of the invention.
Fig. 2 is the exploded view of the three axial magnetic test benches of one embodiment of the invention.
Fig. 3 is the sectional axonometric drawing of the three axial magnetic test benches of one embodiment of the invention.
Stereographic map and the sectional view of the load bearing seat in the three axial magnetic test benches that Fig. 4 A and Fig. 4 B are one embodiment of the invention.
Fig. 4 C is the schematic diagram of the element under test accommodation seat in the three axial magnetic test benches of one embodiment of the invention.
Fig. 4 D is the rear isometric view of the cover plate in the three axial magnetic test benches of one embodiment of the invention.
Fig. 5 is the rear isometric view of the outer cover in the three axial magnetic test benches of one embodiment of the invention.
Fig. 6 is the schematic diagram of the three axial magnetic tests of one embodiment of the invention.
Fig. 7 is the schematic diagram of the three axial magnetic tests of another embodiment of the present invention.
[main element symbol description]
10: three axle magnetic force test benches
20: rotating disc type pick sorter
20 ': orthoscopic pick sorter
22: rotating disc type suction nozzle
22 ': mechanical arm or single suction nozzle
30,30 ': three axle magnetic force test macros
100: load bearing seat 102: cover plate
104: 106: the first connect apertures of opening
108: the second connect apertures 110: base
112: 114: the three connect apertures of fixed part
118: the first axial coils of 116: the four connect apertures
120: element under test accommodation seat 121: storage tank
122: accommodating footstock 123: element under test
124: column links 125: hole
126: base for supporting 127: pickup groove
128: 130: the five connect apertures of circuit board
132: the six connect apertures 133: groove
134: firm banking 135: probe
138: the second fixed orifices of 136: the first fixed orifices
200: stationary installation 202: holder
204: support column 206: perforation
210,210 ': outer cover 212: support column hole
214: load bearing seat accommodation space
216: circuit board elongated hole
218: element under test picks and places hole
220,222: the second axial coil recess
224,226: the three axial coil recess
228,230: the second axial coils
232,234: the three axial coils
236,238: fixture
240: the three fixed orifices
242: the four fixed orifices
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to three axle magnetic force test benches and three its embodiments of axle magnetic force test macro, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.
Please refer to Figure 1A, Figure 1B, Fig. 2 and Fig. 3, it is respectively schematic perspective view, vertical view, exploded view and the sectional axonometric drawing of one of the present invention embodiment tri-axle magnetic force test benches 10.Three axle magnetic force test benches 10 comprise the load bearing seat 100 that carries out magnetic force test in order to accommodating element under test 123, be arranged in load bearing seat 100 and in order to provide the first axial magnetic first axial coil 118, in order to accommodating load bearing seat 100 and in order to three axle magnetic force test benches 10 are fixed on to the stationary installation 200 on tester table, a pair of be wound in stationary installation 200 and in order to the second axial coil 228 of the second axial magnetic to be provided, 230, a pair of be wound in stationary installation 200 and in order to the 3rd axial coil 232 of the 3rd axial magnetic to be provided, 234, and be arranged at load bearing seat 100 belows and in order to the circuit board 128 of the electric connection as between load bearing seat 100 and tester table, and formed by these elements combinations.
Please again consult Fig. 2 and Fig. 4 A and Fig. 4 B, it is respectively stereographic map and the sectional view of the load bearing seat 100 in three axial magnetic test benches 10.Load bearing seat 100 comprises base 110, element under test accommodation seat 120, the first axial coil 118 and cover plate 102, and is formed by these elements combinations.On the top surface of base 110, there is fixed part 112, use for element under test accommodation seat 120 and be sheathed on the top surface of base 110, and this element under test accommodation seat 120 is fixedly arranged on base 110.Fixed part 112 is raised structures, and for example column structure, latch structure or other can insert the structure of element under test accommodation seat 120 bottoms.The bottom of base 110 has the groove 133 of accommodating firm banking 134, and probe 135 can pass through firm banking 134, base 110 and element under test accommodation seat 120, and be electrically connected element under test accommodation seat 120 (or it on element under test 123) and circuit board 128, with the test signal transmission between element under test 123 and circuit board 128 as placement on element under test accommodation seat 120.In addition, base 110 has the 3rd connect apertures 114 and the 4th connect apertures 116, and the 3rd connect apertures 114 and the 4th connect apertures 116 all run through base 110.
Please refer to Fig. 1, Fig. 2, Fig. 4 A, Fig. 4 B and Fig. 4 C, wherein, Fig. 4 C is the schematic diagram of the element under test accommodation seat 120 in three axial magnetic test benches 10.Element under test accommodation seat 120 is tested in order to accommodating element under test 123, it is arranged on base 110 and protrudes from base 110, and in order to carry the center of element under test 123 with the magnetic field that is supported in each disalignment and produced to coil (the first axial coil 118, the second axial coil 228,230, with the 3rd axial coil 232,234), and can to element under test 123 apply the most uniform disalignment to magnetic field.Element under test accommodation seat 120 comprises accommodating footstock 122, base for supporting 126 and between base for supporting 126 and accommodating footstock 122 and be connected base for supporting 126 and link 124 with the column of accommodating footstock 122.
On accommodating footstock 122, there is the storage tank 121 with accommodating element under test, on storage tank 121, there is the hole 125 of corresponding probe 135, can pass through to contact the element under test 123 in storage tank 121 for probe 135, and transmit test signal to element under test 123.Cylinder or right cylinder that column link 124 is hollow, make probe 135 enter storage tank 121 by its inside and contact with element under test 123.The first axial coil 118 is wound in column and links 124 outside, and in the time of the first axial coil 118 galvanization, produces the first axial magnetic field, and the element under test 123 of placing in element under test accommodation seat 120 is applied to the first axial magnetic field.The bottom of base for supporting 126 has pickup groove 127, is placed on by pickup groove 127 on the fixed part 112 of base 110, and by sheathed element under test accommodation seat 120 and be fixed on base 110.
Please refer to Fig. 2, consult Fig. 4 A, Fig. 4 B and Fig. 4 D, wherein, Fig. 4 D is the rear isometric view of the cover plate 102 in three axial magnetic test benches 10.Cover plate 102 is covered on base 110, and element under test accommodation seat 120 and the first axial coil 118 are placed between cover plate 102 and base 110.Cover plate 102 has opening 104, and element under test accommodation seat 120 (or storage tank 121) is by opening 104 and out exposed, for carrying out picking and placeing of element under test 123.In addition, cover plate 102 has the first connect apertures 106 and the second connect apertures 108, the first connect apertures 106 and the second connect apertures 108 and all runs through cover plate 102.The first connect apertures 106 is corresponding with the 3rd connect apertures 114 on base 110, and is combined in load bearing seat 100, the first connect apertures 106 and the 3rd connect apertures 114 is arranged in line from top to bottom at cover plate 102 and base 110.The second connect apertures 108 is corresponding with the 4th connect apertures 116 on base 110, and is combined in load bearing seat 100, the second connect apertures 108 and the 4th connect apertures 116 is arranged in line from top to bottom at cover plate 102 and base 110.Secondly, for example, there is the first fixed orifice 136 and the second fixed orifice 138 in a side (back side) of cover plate 102, be used as load bearing seat 100 is fixed on to the use in stationary installation 200.
Consult Fig. 2, circuit board 128 has the 5th connect apertures 130 and the 6th connect apertures 132.The 5th connect apertures 130 is corresponding with the first connect apertures 106 of cover plate 102 and the 3rd connect apertures 114 of base 110 respectively, and below circuit board 128 is combined in load bearing seat 100 time, the first connect apertures 106, the 3rd connect apertures 114 and the 5th connect apertures 130 are arranged in a straight line from top to bottom, and can run through the first connect apertures 106, the 3rd connect apertures 114 and the 5th connect apertures 130 by fixture (not shown), and load bearing seat 100 is locked on this circuit board 128.The 6th connect apertures 132 is corresponding with the second connect apertures 108 of cover plate 102 and the 4th connect apertures 116 of base 110 respectively, and below circuit board 128 is combined in load bearing seat 100 time, the second connect apertures 108, the 4th connect apertures 116 and the 6th connect apertures 132 are arranged in line from top to bottom, and can run through the second connect apertures 108, the 4th connect apertures 116 and the 6th connect apertures 132 by a fixture (not shown), and load bearing seat 100 is locked on this circuit board 128.
Please refer to Fig. 2 and Fig. 3, stationary installation 200 comprises in order to three axle magnetic force test benches 10 are fixed on to the holder 202 on tester table and cover on holder 202 and in order to support or the outer cover 210 of carrying the second axial coil 228,230 and the 3rd axial coil 232,234, wherein, outer cover 210 inside have load bearing seat accommodation space 214, in order to accommodating load bearing seat 100.Load bearing seat accommodation space 214 preferably comprises the center in the magnetic field that disalignment produces to coil (the first axial coil 118, the second axial coil 228,230, with the 3rd axial coil 232,234), and element under test can axially be tested in the most uniform magnetic field each.On holder 202, there is support column 204, in order to carry load bearing seat 100 and circuit board 128, and be supported in load bearing seat accommodation space 214, and be fixed on wherein, particularly make the interior accommodating element under test 123 of load bearing seat 100 can be positioned at the center in the magnetic field that each disalignment produces to coil (the first axial coil 118, the second axial coil 228,230, with the 3rd axial coil 232,234), carry out magnetic force test and be applied in the most uniform magnetic field.In addition, on holder 202, there are one or more perforation 206, use for fixture (not shown), so that three axle magnetic force test benches 10 (or holder 202) are locked on tester table.
Please refer to Fig. 2, Fig. 3 and Fig. 5, wherein, Fig. 5 is the rear isometric view of the outer cover 210 in three axial magnetic test benches 10.Outer cover 210 is except inside has load bearing seat accommodation space 214, there is support column hole 212 in the bottom of outer cover 210, support column hole 212 is run through the bottom of outer cover 210 and to the bottom of this load bearing seat accommodation space 214, is used for support column 204 and enter load bearing seat accommodation space 214 with carrying and support bearing seat 100 and circuit board 128 by support column hole 212.There is element under test at the top of outer cover 210 and pick and place hole 218, element under test picks and places that the top of outer cover 210 is run through in hole 218 and the top that arrives this load bearing seat accommodation space 214, and expose top or the accommodating footstock 122 (comprising the storage tank 121 on it) of whole load bearing seat 100, make the pick device of tester table or suction nozzle to pick and place hole 218 by element under test and carry out picking and placeing of element under test.In addition, a side (being generally front side) at outer cover has circuit board elongated hole 216, circuit board elongated hole 216 runs through a side (being generally front side) of outer cover 210 and arrives a side of load bearing seat accommodation space 214, circuit board 128 can stretch out by circuit board elongated hole 216, to be connected with tester table, as the transmission of signal and electric current.Moreover, at the opposite side (being generally the back side) of outer cover 210, be a side that is provided with the side (for example back side) of the first fixed orifice 136 and the second fixed orifice 138 on the corresponding cover plate 102 of outer cover 210, there is the 3rd fixed orifice 240 and the 4th fixed orifice 242.Corresponding the first fixed orifice 136 of the 3rd fixed orifice 240, assemble and when load bearing seat 100 is placed in to load bearing seat accommodation space 214 in load bearing seat 100 and stationary installation 200, the 3rd fixed orifice 240 and the first fixed orifice 136 are arranged in a straight line from outside to inside, and can run through the 3rd fixed orifice 240 and the first fixed orifice 136 by fixture 236, and load bearing seat 100 is locked in stationary installation 200 (or load bearing seat accommodation space 214).Corresponding the second fixed orifice 138 of the 4th fixed orifice 242, assemble and when load bearing seat 100 is placed in to load bearing seat accommodation space 214 in load bearing seat 100 and stationary installation 200, the 4th fixed orifice 242 and the second fixed orifice 138 are arranged in a straight line from outside to inside, and can run through the 4th fixed orifice 242 and the second fixed orifice 138 by fixture 238, and load bearing seat 100 is locked in stationary installation 200 (or load bearing seat accommodation space 214).
The outside of outer cover 210 has a pair of second axial coil recess 220,222, wherein, the second axial coil recess 220 and 222 respectively in order to accommodating with support the second axial coil 228 and 230, and make the second axial coil 228,230 windings and be fixed on the outside of outer cover 210.In addition, the outside of outer cover 210 also has a pair of the 3rd axial coil recess 224,226, wherein, the 3rd axial coil recess 224 and 226 respectively in order to accommodating with support the 3rd axial coil 232 and 234, and make the 3rd axial coil 232,234 windings and be fixed on the outside of outer cover 210.The second axial coil recess 220,222 is perpendicular to one another and is arranged on outer cover 210 with the 3rd axial coil recess 224,226, so the second axial coil 228,230 is be also perpendicular to one another and be arranged on outer cover 210 with the 3rd axial coil 232,234.
Although outer cover 210 shown in Figure 1A, Figure 1B, Fig. 2, Fig. 3 and Fig. 5 is the spheroid of circular spheroid or similar circle, but, in other embodiment of the present invention, outer cover can be also other any geometric configuration that can effectively support to the second right axial coil and paired the 3rd axial coil, for example outer cover is the circular spheroid of a hollow out or the hollow out spheroid of similar circle, or annular support.
In addition, upper the first axial coil 118, the second axial coil 228,230 and the 3rd axial coil 232,234 of three axle magnetic force test benches 10 are all connected with circuit board 128 (electrically), and via circuit board 128 and tester table, for example automated test device (ATE), is electrically connected.Therefore, tester table can provide electric current to the first axial coil 118, the second axial coil 228,230 and the 3rd axial coil 232,234 by circuit board 128, and produce disalignment to magnetic field with control different axial magnetic fields generation, and via the size of current providing is provided, and control the magnetic field size that the first axial coil 118, the second axial coil 228,230 and the 3rd axial coil 232,234 produce.
Owing to embedding or around the first axial coil 118 of load bearing seat 100, the second axial coil 228, 230, and the 3rd axial coil 232, 234 much smaller than the solenoid that produces externally-applied magnetic field in traditional test board, and structure is simpler, small volume, therefore, it is less that it produces the required electric current in magnetic field, consumed power is also lower, so the electric power that tester table itself provides enough make the first axial coil 118, the second axial coil 228, 230, and the 3rd axial coil 232, 234 produce disalignments to magnetic field test, and do not need plug-in extra power supply.Moreover, because the first axial coil 118, the second axial coil 228,230 and the 3rd axial coil 232,234 volumes are little, comparatively responsive for electric current, and can accurately react the variation of the reacting condition of electric current (or magnetic force) size to magnetic field, therefore, can be directly accurately produce the electric current of micro-(micro) ampere level by the power unit (power unit) of the programmable of tester table, and accurately produce the required magnetic field size of element under test, in order to the raising of tested productivity and reliability.In addition, because the first axial coil 118, the second axial coil 228,230 and the 3rd axial coil 232,234 volumes are little, so its magnetic field range producing is also smaller, so magnetic field is relatively more even and concentrated, and can not have influence on the element under test in other the three axles magnetic force test bench that is positioned over periphery, so can provide indivedual magnetic force test environments to the element under test in indivedual three axle magnetic force test benches, and can increase testing elastic, in order to the raising of tested productivity and reliability.
In addition, due to each part in three axial magnetic test benches of the present invention not only simple in structure, be convenient to manufacture, the lower cost for material that uses, therefore, compared to the plug-in additional power supply of need and additional solenoid in traditional test board and the design in single shaft magnetic field only can be provided, not only cost is comparatively cheap and the magnetic force test of single shaft, twin shaft and three axles can be provided.It should be noted that for fear of magnetic force and disturb, so each part in the present invention's three axial magnetic test benches, such as load bearing seat, stationary installation etc., all need to make with non-magnetic material.
Consult Fig. 2, in three axial magnetic test benches 10, the first axial coil 118 is solenoid coil, and first is axially Z axis, and this first axial coil is z axis circle, in order to produce Z axis magnetic field.The second axial coil 228,230 is nurse hertz coil suddenly, and second is axially X-axis, and the second axial coil 228,230 is X-axis coil, in order to produce X-axis magnetic field.The 3rd axial coil 232,234 is nurse hertz coil suddenly, and the 3rd is axially Y-axis, and the 3rd axial coil 232,234 is Y-axis coil, in order to produce Y-axis magnetic field.
In addition, the present invention more provides a kind of three axle magnetic force test macros, and it is made up of with tester table one or more aforesaid the present invention's three axle magnetic force test benches 10, the current general pick sorter (handler) on the market of collocation.At this three axles magnetic force test macro, tester table is connected with three axle magnetic force test benches and pick sorter (electrically) respectively, and control the running of three axle magnetic force test benches and pick sorter, pick sorter is put element under test with placement and is tested in three axle magnetic force test benches in order to pick up.This three axles magnetic force test macro is by the present invention's three axle magnetic force test benches, and to individual other element under test apply disalignment to magnetic field, from different magnetic force test environment is provided, element under test is applied to accurate and uniform magnetic field, and carry out single shaft, twin shaft, with three axle magnetic force tests.
The pick sorter that the present invention's three axle magnetic force test benches can be arranged in pairs or groups different and form three multi-form axle magnetic force test macros.Consult Fig. 6, the three axle magnetic force test benches 10 rotating disc type pick sorter (turret handler) 20 of can arranging in pairs or groups, and composition carries out with rotating disc type suction nozzle 22 the three axle magnetic force test macros 30 that element under test picks and places.Consult Fig. 7, the three axle magnetic force test benches 10 orthoscopic pick sorter (pick & place handler) 20 ' of can arranging in pairs or groups, and composition carries out with mechanical arm or single suction nozzle 22 ' the three axle magnetic force test macros 30 ' that element under test picks and places.
Because above-described embodiment, the invention provides one have simple in structure, volume is little, consumed power is low, cost is low, magnetic field is even, and kinetic current and produce three axial magnetic test benches and the three axial magnetic test macros of the advantages such as magnetic fields of different sizes accurately, and then reduce costs, simplified design, and can increase testing elastic, in order to the raising of tested productivity and reliability.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (16)
1. three axle magnetic force test benches, is characterized in that comprising:
Load bearing seat, carries out magnetic force test in order to accommodating element under test;
The first axial coil is arranged in this load bearing seat in order to the first axial magnetic field to be provided;
Stationary installation, is also fixed on this three axles magnetic force test bench on tester table in order to accommodating this load bearing seat;
The a pair of second axial coil, is wound in this stationary installation, in order to the second axial magnetic field to be provided;
The a pair of the 3rd axial coil, is wound in this stationary installation, in order to the 3rd axial magnetic field to be provided; And
Circuit board, is arranged at this load bearing seat below, in order to the electric connection as between this load bearing seat and this tester table.
2. three axle magnetic force test benches as claimed in claim 1, is characterized in that this load bearing seat comprises:
Base;
Element under test accommodation seat, is arranged on this base and protrudes from this base, in order to accommodating element under test;
This first axial coil, is wound in this element under test accommodation seat, in order to provide the first axial magnetic field to the element under test of placing in this element under test accommodation seat; And
Cover plate, is covered on this base, and this element under test accommodation seat and this first axial coil is placed between this cover plate and this base, and this cover plate has opening, and this element under test accommodation seat is by this opening and out exposed.
3. three axle magnetic force test benches as claimed in claim 2, is characterized in that having fixed part on the top surface of this base, use for this element under test accommodation seat and are sheathed on the top surface of this base, and this element under test accommodation seat is fixedly arranged on this base.
4. three axle magnetic force test benches as claimed in claim 3, is characterized in that this element under test accommodation seat comprises:
Accommodating footstock, has the storage tank with accommodating element under test on this accommodating footstock;
Base for supporting, this base for supporting bottom has pickup groove, by this pickup groove is placed on this fixed part of this base, and this element under test accommodation seat is sheathed on this base; And
Column between this base for supporting and this accommodating footstock links, and in order to connect this base for supporting and this accommodating footstock, this first axial coil is wound in this column and links.
5. three axle magnetic force test benches as claimed in claim 2, is characterized in that this stationary installation comprises:
Holder, in order to be fixed on this three axles magnetic force test bench on this tester table; And
Outer cover, cover on this holder in order to support or to carry this second axial coil and the 3rd axial coil, and this outer cover inside has the load bearing seat accommodation space of accommodating this load bearing seat.
6. three axle magnetic force test benches as claimed in claim 5, is characterized in that having support column on this holder, be supported in this load bearing seat accommodation space, and be fixed on wherein in order to carry this load bearing seat and this circuit board.
7. three axle magnetic force test benches as claimed in claim 6, it is characterized in that this outer cover bottom has support column hole, the bottom of this this load bearing seat accommodation space of outer cover bottom arrival is run through in this support column hole, and this support column carries by this support column hole and supports this load bearing seat and circuit board.
8. three axle magnetic force test benches as claimed in claim 5, is characterized in that this outer cover top has element under test and picks and places hole, and this element under test picks and places the top that this load bearing seat accommodation space is run through this outer cover top and arrives in hole, in order to carry out picking and placeing of element under test.
9. three axle magnetic force test benches as claimed in claim 5, it is characterized in that this outer cover one side has circuit board elongated hole, the side that this circuit board elongated hole runs through this outer cover arrives a side of this load bearing seat accommodation space, use for this circuit board by and be connected with this tester table.
10. three axle magnetic force test macros, is characterized in that comprising:
At least three axle magnetic force test benches, in order to accommodating element under test and testing of different axial magnetic fields is provided, this three axles magnetic force test bench comprises:
Load bearing seat, carries out magnetic force test in order to accommodating element under test;
The first axial coil is arranged in this load bearing seat in order to the first axial magnetic force to be provided;
Stationary installation, is also fixed on this three axles magnetic force test bench on this tester table in order to accommodating this load bearing seat;
The a pair of second axial coil, is wound in this stationary installation, in order to the second axial magnetic field to be provided;
The a pair of the 3rd axial coil, is wound in this stationary installation, in order to the 3rd axial magnetic field to be provided;
Circuit board, is arranged at this load bearing seat below, in order to the electric connection as between this load bearing seat and this tester table;
Pick sorter, in order to pick up and to place this and put element under test and test in this three axles magnetic force test bench; And
Tester table, in order to control respectively this three axles magnetic force test bench and this pick sorter.
11. three axle magnetic force test macros as claimed in claim 10, is characterized in that this load bearing seat comprises:
Base;
Element under test accommodation seat, is arranged on this base and protrudes from this base, in order to accommodating element under test;
This first axial coil, is wound in this element under test accommodation seat, in order to provide the first axial magnetic field to the element under test of placing in this element under test accommodation seat; And
Cover plate, is covered on this base, and this element under test accommodation seat and this first axial coil is placed between this cover plate and this base, and this cover plate has opening, and this element under test accommodation seat is by this opening and out exposed.
12. three axle magnetic force test macros as claimed in claim 11, is characterized in that this element under test accommodation seat comprises:
Accommodating footstock, has the storage tank with accommodating element under test on this accommodating footstock;
Base for supporting, this base for supporting bottom has pickup groove, by this pickup groove is placed on this fixed part of this base, and this element under test accommodation seat is sheathed on this base; And
Column between this base for supporting and this accommodating footstock links, and in order to connect this base for supporting and this accommodating footstock, this first axial coil is wound in this column and links.
13. three axle magnetic force test macros as claimed in claim 12, is characterized in that this stationary installation comprises:
Holder, in order to be fixed on this three axles magnetic force test bench on this tester table; And
Outer cover, cover on this holder in order to support or to carry this second axial coil and the 3rd axial coil, and this outer cover inside has the load bearing seat accommodation space of accommodating this load bearing seat.
14. three axle magnetic force test macros as claimed in claim 13, is characterized in that this outer cover top has element under test and picks and places hole, and this element under test picks and places the top that this load bearing seat accommodation space is run through this outer cover top and arrives in hole, in order to carry out picking and placeing of element under test.
15. three axle magnetic force test macros as claimed in claim 13, it is characterized in that this outer cover one side has circuit board elongated hole, the side that this circuit board elongated hole runs through this outer cover arrives a side of this load bearing seat accommodation space, use for this circuit board by and be connected with this tester table.
16. three axle magnetic force test macros as claimed in claim 10, is characterized in that this pick sorter is rotating disc type pick sorter or orthoscopic pick sorter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101150493 | 2012-12-27 | ||
| TW101150493A TWI431269B (en) | 2012-12-27 | 2012-12-27 | Three-axis test socket and test systemthereof |
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| Publication Number | Publication Date |
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| CN103901381A true CN103901381A (en) | 2014-07-02 |
| CN103901381B CN103901381B (en) | 2016-08-17 |
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| CN201310035199.7A Active CN103901381B (en) | 2012-12-27 | 2013-01-29 | Triaxial magnetic force test seat and triaxial magnetic force test system |
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| TW (1) | TWI431269B (en) |
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Also Published As
| Publication number | Publication date |
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| TWI431269B (en) | 2014-03-21 |
| TW201333460A (en) | 2013-08-16 |
| CN103901381B (en) | 2016-08-17 |
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