CN104516132B - A kind of measurement jig - Google Patents

A kind of measurement jig Download PDF

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Publication number
CN104516132B
CN104516132B CN201510015234.8A CN201510015234A CN104516132B CN 104516132 B CN104516132 B CN 104516132B CN 201510015234 A CN201510015234 A CN 201510015234A CN 104516132 B CN104516132 B CN 104516132B
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CN
China
Prior art keywords
plate
microscope carrier
measurement jig
signal source
work microscope
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510015234.8A
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Chinese (zh)
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CN104516132A (en
Inventor
薛李伟
李剑
王德超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
BOE Hebei Mobile Display Technology Co Ltd
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BOE Technology Group Co Ltd
BOE Hebei Mobile Display Technology Co Ltd
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Priority to CN201420709257 priority Critical
Priority to CN201420709257X priority
Application filed by BOE Technology Group Co Ltd, BOE Hebei Mobile Display Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201510015234.8A priority patent/CN104516132B/en
Publication of CN104516132A publication Critical patent/CN104516132A/en
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Publication of CN104516132B publication Critical patent/CN104516132B/en
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    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing

Abstract

The present invention relates to display technology field, and in particular to a kind of measurement jig.The measurement jig includes base, signal source, work microscope carrier and compression joint mechanism;The base, which is provided with, carries the work microscope carrier, the inclined plane of compression joint mechanism;The signal source is located on base;The test signal that the compression joint mechanism is used to send signal source puts on product to be measured;The work microscope carrier carries out lighting test to the product to be measured.The measurement jig can effectively complete the lighting test to product to be measured, by by base, signal source, work microscope carrier and compression joint mechanism integrated design, convenient management and safeguard;Moreover, being additionally provided with the carrying work microscope carrier, the inclined plane of compression joint mechanism on base, preferably detection visual angle is made it have, so as to beneficial to operation and production.

Description

A kind of measurement jig
Technical field
It is more specifically a kind of to have preferably the present invention relates to display technology field, more particularly to a kind of measurement jig Detection visual angle, and facilitate the measurement jig of I&M.
Background technology
At present, LCD (English name is Liquid Crystal Display, and Chinese is liquid crystal display) is due to it The advantage of technology, has been widely used in production and living.In LCD production technology, it is often necessary to use a kind of backman Tool coordinates test signal machine completion LCD test.The aid can provide signal connection between LCD and test signal machine, And the test point of signal source is connected to corresponding to product to be measured in test point, the inspection to product to be measured is completed under lighting state Survey.
Many defects be present in application in existing measurement jig:First, tool is in itself split settings with signal source, is used When both must be attached by external winding displacement.So integral device is may result at operation scene to put in a jumble, be unfavorable for Plant operations and unified management;Moreover, generally, tool is only operated in the horizontal plane when carrying out signal testing, Preferably detection visual angle can not be provided, be unfavorable for quickly producing;Secondly, the polaroid on tool is typically direct using acrylic board The surface of microscope carrier is attached to, does not only result in that the light transmittance of polaroid is relatively low so, but also easily causes serious scuffing, significantly Add replacement frequency and loss;Meanwhile tool microscope carrier is typically integrated into one with backlight, i.e. backlight is directly anchored to carry In backlight groove behind platform, the cleaning and maintenance of backlight are so not easy to;In addition, probe installation end on tool pressure head is without keeping away Allow, can cause disrepair phenomenon occur at non-test when pressure head moves reciprocatingly, cause unnecessary harm.
Therefore, for deficiency above, it is necessary to which one kind can be easy to integrated behaviour effectively to product to be measured progress lighting test Make, there is preferably detection visual angle, and facilitate the measurement jig of I&M.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of measurement jig, effectively can carry out lighting survey to product to be measured Examination, is easy to integrated operation, has preferably detection visual angle, and facilitate I&M.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of measurement jig, and it includes base, signal source, work load Platform and compression joint mechanism;The base, which is provided with, carries the work microscope carrier, the inclined plane of compression joint mechanism;The signal source is located at bottom On seat;The test signal that the compression joint mechanism is used to send signal source puts on product to be measured;The work microscope carrier is to institute State product to be measured and carry out lighting test.
Wherein, roll-over unit is provided with the top of the work microscope carrier, side and the work microscope carrier of the roll-over unit turn Dynamic connection;Backlight installing plate is provided with the lower section of the work microscope carrier, the backlight installing plate is detachably connected with work microscope carrier; The product to be measured is arranged on work microscope carrier and between roll-over unit and backlight installing plate;It is fixed on the roll-over unit There is the first polarizer;Backlight is fixed with the backlight installing plate, the second polarizer is fixed with the backlight.
Wherein, the roll-over unit includes rotating bezel, hinge and fixed plate, and the side of the rotating bezel is installed by hinge In on work microscope carrier;The fixed plate is clamping on rotating bezel by double glazing unit by the first polarizer.
Wherein, the backlight installing plate is provided with the first locating dowel, and the work microscope carrier is provided with mounting hole, and described first Locating dowel is located in mounting hole.
Wherein, connected between the work microscope carrier and backlight installing plate by magnetic part.
Wherein, the work microscope carrier is provided with the 4th locating dowel for the spacing product to be measured.
Wherein, lateral adjustments plate, longitudinally adjust plate and bottom are sequentially provided with from top to bottom in the lower section of the backlight installing plate Plate;The lateral adjustments plate is provided with the circuit board for being used for driving the backlight;The bottom plate is fixed in the inclined plane, The longitudinally adjust plate moves along Y-direction, and the lateral adjustments plate moves in X direction.
Wherein, the lateral adjustments plate is provided with transverse groove, and the longitudinally adjust plate is provided with the second locating dowel, and described Two locating dowels are located in transverse groove;The longitudinally adjust plate is provided with cannelure, and the bottom plate is provided with the 3rd locating dowel, described 3rd locating dowel is located in cannelure.
Wherein, the compression joint mechanism includes driver element and pressure head;The driver element drives the pressure head to be moved along Z-direction It is dynamic;One end of the pressure head is provided with projection, and multiple probes are equipped with projection;One end of the probe is electrically connected with signal source Connect, another end in contact is connected to the test point of the product to be measured.
Wherein, the driver element includes framework, rotating handles, eccentric block, shaft bearing plate and elastomeric element;The framework position In in inclined plane, the axis of guide is provided with framework;The elastomeric element, shaft bearing plate are sheathed on the axis of guide, and elastomeric element Positioned at the lower section of shaft bearing plate;The pressure head is fixedly connected on the side of shaft bearing plate;The eccentric block is located at the top of shaft bearing plate;Institute Stating rotating handles drives the eccentric block to be pressed together on the shaft bearing plate;The shaft bearing plate is led in the presence of eccentric block along described Axial movement to axle.
Wherein, control button is connected with the signal source, the control button is used to switch what the signal source was sent Test signal.
Wherein, the signal source is fixed on the inside of the base by signal source installing plate;The control button is located at On the side plate of base.
Wherein, the angle between the inclined plane and horizontal plane is 40 ° -50 °.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the advantages that:Measurement jig provided by the invention can effectively complete To the lighting test of product to be measured, by the way that base, signal source, work microscope carrier and compression joint mechanism integrated design, convenience are managed With maintenance;Moreover, being additionally provided with the carrying work microscope carrier, the inclined plane of compression joint mechanism on base, preferable inspection is made it have Visual angle is surveyed, so as to beneficial to operation and production.
Brief description of the drawings
Fig. 1 is the schematic perspective view of measurement jig of the embodiment of the present invention;
Fig. 2 is the structural representation of pressure head of the embodiment of the present invention;
Fig. 3 is the side view of pressure head of the embodiment of the present invention;
Fig. 4 is the structural representation of work microscope carrier of the embodiment of the present invention;
Fig. 5 is the structural representation of backlight installing plate of the embodiment of the present invention;
Fig. 6 is the structural representation of lateral adjustments plate of the embodiment of the present invention;
Fig. 7 is the structural representation of longitudinally adjust plate of the embodiment of the present invention;
Fig. 8 is the schematic diagram after the assembling of bottom plate of the embodiment of the present invention;
Fig. 9 is the structural representation that the embodiment of the present invention turns down unit;
Figure 10 is the structural representation of base of the embodiment of the present invention;
Figure 11 is the structural representation of signal source installing plate of the embodiment of the present invention;
Figure 12 is the side view of base of the embodiment of the present invention;
Figure 13 is the structural representation of compression joint mechanism of the embodiment of the present invention.
Wherein, 1:Base;2:Signal source;3:Work microscope carrier;4:Compression joint mechanism;5:Roll-over unit;6:Backlight installing plate;7: Lateral adjustments plate;8:Longitudinally adjust plate;9:Bottom plate;11:First locating dowel;12:Second locating dowel;13:3rd locating dowel;14: 4th locating dowel;21:Control button;22:Signal source installing plate;31:Mounting hole;32:Magnetic part;33:Locating slot;41:Pressure Head;42:Framework;43:Rotating handles;44:Eccentric block;45:Shaft bearing plate;46:Elastomeric element;47:The axis of guide;51:Rotating bezel; 52:Hinge;53:Fixed plate;71:Transverse groove;72:Drive circuit board mounting groove;81:Cannelure;411:It is raised;412:Probe.
Embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following examples are used for Illustrate the present invention, but can not be used for limiting the scope of the present invention.
In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more;Term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right The limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. be only used for describe purpose, and it is not intended that instruction or Imply relative importance.
In addition, in the description of the invention, term " installation ", " connected ", " connection " should be interpreted broadly, for example, can be with It is to be fixedly connected or be detachably connected, or is integrally connected;Can be mechanical connection or electrical connection;Can be with It is to be joined directly together, can also be indirectly connected by intermediary.For the ordinary skill in the art, can specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in figure 1, the measurement jig that the present embodiment provides includes base 1, signal source 2, work microscope carrier 3 and compression joint mechanism 4;Carrying work microscope carrier 3, the inclined plane of compression joint mechanism 4 are provided with base 1, the inclined plane and horizontal angle can be as needed It is adjusted flexibly, such as:Angle can be 40 ° -50 °, and with 45 ° for optimal selection, the purpose is to provided most preferably for staff Detect visual angle.Moreover, by the way that signal source 2 is arranged on base 1, detection product to be measured is just can be formed directly in by signal source 2 Test signal, convenient integration operation and management;In addition, the side of compression joint mechanism 4 and the microscope carrier 3 that works is correspondingly arranged, it is used for The test signal that signal source 2 is sent is put on product to be measured;Meanwhile it can be connected and believed in product to be measured using work microscope carrier 3 Lighting test is carried out to it after number.The measurement jig realizes the integration operation of integral device, has preferably detection visual angle, side Just I&M.
In order to simulate lighting state, with reference to shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 9, it is single to be provided with upset in the top of work microscope carrier 3 Member 5, side and the work microscope carrier 3 of roll-over unit 5 are rotatablely connected;Backlight installing plate 6, backlight are provided with the lower section of work microscope carrier 3 It is to be detachably connected between installing plate 6 and work microscope carrier 3;Product to be measured be arranged on work microscope carrier 3 and positioned at roll-over unit 5 with Between backlight installing plate 6, the first polarizer (upper polarizer) is fixed with roll-over unit 5, the first polarizer is located at product to be measured Top;Backlight is fixed with backlight installing plate 6, the second polarizer (lower polarizer), the second polarization are fixed with backlight Piece is located at the lower section of product to be measured.By backlight to form stable light source, light source is shone by the hollow groove on microscope carrier 3 that works Penetrate on product to be measured.
Specifically, roll-over unit 5 includes rotating bezel 51, hinge 52 and fixed plate 53, the side of rotating bezel 51 passes through hinge 52 are installed on work microscope carrier 3, and inverting action is realized using hinge 52, reach Fast Installation and the purpose of maintenance;Moreover, The inner side of rotating bezel 51 is additionally provided with the neck for accommodating the first polarizer, and the first polarizer is passed through double glazing by fixed plate 53 Plate is clamping on rotating bezel 51, i.e.,:First polarizer is installed on after being clamped by the glass plate of Double-layered transparent by fixed plate 53 In neck on rotating bezel 51.It is this by the way of sandwiched polaroid among two layers white glass, completely polaroid can be avoided to go out The risk now scratched.
To be detachably connected between backlight installing plate 6 and work microscope carrier 3, both are coordinated using split pattern, not only Facilitate backlight to clean, but also backlight upper surface can be made to keep minimum distance with product to be measured, so as to reach optimal detection effect Fruit.Certainly, this mode being detachably connected can have a variety of, such as:Backlight installing plate 6 is provided with the first locating dowel 11, work Make microscope carrier 3 and be provided with mounting hole 31, the first locating dowel 11 is located in mounting hole 31;Or work microscope carrier 3 and backlight installing plate 6 Between connected by magnetic part 32, be mutually located using the magneticaction of magnet.It can certainly further optimize, will position Post is used cooperatively together with magnetic part 32, so as to reach more accurately positioning and installation.
Due to product to be measured in lighting test on work microscope carrier 3, therefore, work microscope carrier 3 on also need to There is the device being accurately positioned to product to be measured, with one of which preferred embodiment explanation:The microscope carrier 3 that works is provided with multiple four Locating dowel 14, coordinate between multiple 4th locating dowels 14, complete the position-limiting action to product to be measured.Based on the guarantor to product to be measured Shield, the 4th locating dowel 14 can be preferably resin material.
With reference to shown in Fig. 1, Fig. 6, Fig. 7 and Fig. 8, horizontal tune is also sequentially provided with from top to bottom in the lower section of backlight installing plate 6 Save plate 7, longitudinally adjust plate 8 and bottom plate 9.Realize that work microscope carrier 3 aligns in X-direction by lateral adjustments plate 7 to adjust, pass through longitudinal direction Adjustable plate 8 realizes that work microscope carrier 3 aligns regulation in the Y direction.Its is easy to adjust, beneficial to improving detection efficiency.
Wherein, drive circuit board mounting groove 72 is provided with lateral adjustments plate 7, the circuit board for driving backlight can be installed In groove.Moreover, it can also be connected between backlight installing plate 6 and lateral adjustments plate 7 by locating dowel, magnetic part.Meanwhile laterally Adjustable plate 7 can move in X direction, i.e. mobile along the transverse direction (left and right directions) of inclined plane;Longitudinally adjust plate 8 is located at lateral adjustments The lower section of plate 7, it is moveable in the y direction, i.e. mobile along the longitudinal direction (fore-and-aft direction) of inclined plane;Bottom plate 9 is then fixed on inclined plane On.
Wherein, lateral adjustments plate 7 is provided with transverse groove 71 (parallel to X-direction), and longitudinally adjust plate 8 is provided with the second positioning Post 12, the second locating dowel 12 are located in transverse groove 71, only need to slide transverse groove 71 along the second locating dowel 12 during use;Phase Ying Di, longitudinally adjust plate 8 are provided with cannelure 81 (parallel to Y-direction), and bottom plate 9 is provided with the 3rd locating dowel 13, the 3rd positioning Post 13 is located in cannelure 81, only need to slide cannelure 81 along the 3rd locating dowel 13 during use.
What deserves to be explained is the contraposition movement regulation between lateral adjustments plate 7 and longitudinally adjust plate 8 is not limited to certain Specific form, it can design correspondingly move mode according to being actually needed.Except above-mentioned this chute, fixed during contraposition regulation Outside the mode of position post;Can also be by way of sliding block, slide rail;Can also be by the way of pulley, slideway.
For compression joint mechanism 4, with reference to shown in Fig. 2, Fig. 3 and Figure 13, compression joint mechanism 4 includes driver element and pressure head 41;Driver element drive ram 41 moves along Z-direction, i.e. is moved perpendicular to the direction of inclined plane;One end of pressure head 41 is provided with convex 411 are played, multiple probes 412 are equipped with projection 411.Pressure head 41 is using the protrusion design of probe 412 part, when detecting product only There is probe 412 to be contacted with the direct of test point, the product surface that the other parts of pressure head 41 will not contact, fundamentally avoid and treat Survey product and the damaged, phenomenon of pressure break occur.
One end of probe 412 electrically connects with signal source 2, i.e. circuit board corresponding to proae mounting plate and test signal coordinates Connection;Meanwhile the contact in test of the other end of probe 412 is connected to the test point of product to be measured.Probe 412 is preferably double end Telescopic type, double end telescopic type probe 412 are coordinated using intermediate sleeve and spring, needle body two is realized collapsible effect, Make it when being contacted with product, there is certain cushioning effect, product breakage will not be caused because pressure is excessive.
Moreover, driver element can be hand, or electrodynamic type.Illustrated with one way in which:Driving Unit includes framework 42, rotating handles 43, eccentric block 44, shaft bearing plate 45 and elastomeric element 46;Framework 42 is located in inclined plane, The axis of guide 47 is provided with framework 42, the axis of guide 47 is perpendicular to inclined plane;Elastomeric element 46, shaft bearing plate 45 are sheathed on the axis of guide 47 On, and elastomeric element 46 is located at the lower section of shaft bearing plate 45, the consideration based on cost, elastomeric element 46 can be spring, and it is acted on It is in order that shaft bearing plate 45 carries out reactivation;Pressure head 41 is fixedly connected on the side of shaft bearing plate 45, can be with shaft bearing plate 45 Move back and forth;Eccentric block 44 is located at the top of shaft bearing plate 45;Rotating handles 43 is used to drive eccentric block 44 to be pressed together on shaft bearing plate 45 On;So as to shaft bearing plate 45 in the presence of eccentric block 44 along the axial movement of the axis of guide 47.
In addition, with reference to shown in Figure 10, Figure 11, Figure 12, control button 21 is also associated with signal source 2, control button 21 is used In the test signal that control switching signal source is sent.Signal source 2 is fixed on the inside of base 1 by signal source installing plate 22;Control Button 21 processed is located on the side plate of base 1, reaches the purpose of convenient operation.
Specifically, pressure head 41 is connected with signal source 2 by 16 faller gill lines, and test signal is passed on pressure head 41 Above each probe 412;Stable light source is provided to product to be measured by backlight, and in backlight with turning down on unit 5 Down polaroid is equipped with, for detecting the picture of product different colours;2 pins will be passed through between signal source 2 and control button 21 Winding displacement connects, and completes the contact with product to be measured of probe 412 by pushing rotating handles 43, lights product and detected.
In summary, measurement jig provided by the invention can effectively complete the lighting test to product to be measured, pass through by Base, signal source, work microscope carrier and compression joint mechanism integrated design, convenient management and maintenance;Held moreover, being additionally provided with base The work microscope carrier, the inclined plane of compression joint mechanism are carried, preferably detection visual angle is made it have, so as to beneficial to operation and production.
Embodiments of the invention provide for the sake of example and description, and are not exhaustively or by this to send out It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing Select and describe embodiment and be to more preferably illustrate the principle and practical application of the present invention, and make one of ordinary skill in the art It will be appreciated that the present invention is so as to designing the various embodiments with various modifications suitable for special-purpose.

Claims (12)

1. a kind of measurement jig, it is characterised in that including base, signal source, work microscope carrier and compression joint mechanism;Set on the base There are the carrying work microscope carrier, the inclined plane of compression joint mechanism;The signal source is located on base;The compression joint mechanism carries with work The side of platform is correspondingly arranged, and the test signal for signal source to be sent puts on product to be measured;The work microscope carrier is to institute State product to be measured and carry out lighting test;
Roll-over unit is provided with the top of the work microscope carrier, the roll-over unit includes rotating bezel, hinge and fixed plate, described The side of rotating bezel is installed on work microscope carrier by hinge;It is additionally provided with the inside of the rotating bezel for accommodating the first polarization The neck of piece, the fixed plate are clamping on rotating bezel by double glazing unit by the first polarizer.
2. measurement jig according to claim 1, it is characterised in that the side of the roll-over unit rotates with work microscope carrier Connection;Backlight installing plate is provided with the lower section of the work microscope carrier, the backlight installing plate is detachably connected with work microscope carrier;Institute Product to be measured is stated to be arranged on work microscope carrier and between roll-over unit and backlight installing plate;It is fixed with the roll-over unit First polarizer;Backlight is fixed with the backlight installing plate, the second polarizer is fixed with the backlight.
3. measurement jig according to claim 2, it is characterised in that the backlight installing plate is provided with the first locating dowel, The work microscope carrier is provided with mounting hole, and first locating dowel is located in mounting hole.
4. measurement jig according to claim 2, it is characterised in that pass through between the work microscope carrier and backlight installing plate Magnetic part connects.
5. measurement jig according to claim 2, it is characterised in that the work microscope carrier, which is provided with, is used for spacing described treat Survey the 4th locating dowel of product.
6. measurement jig according to claim 2, it is characterised in that the lower section of the backlight installing plate from top to bottom according to It is secondary to be provided with lateral adjustments plate, longitudinally adjust plate and bottom plate;The lateral adjustments plate is provided with the electricity for being used for driving the backlight Road plate;The bottom plate is fixed in the inclined plane, and the longitudinally adjust plate moves along Y-direction, and the lateral adjustments plate is along X side To movement.
7. measurement jig according to claim 6, it is characterised in that the lateral adjustments plate is provided with transverse groove, described Longitudinally adjust plate is provided with the second locating dowel, and second locating dowel is located in transverse groove;The longitudinally adjust plate is provided with vertical To groove, the bottom plate is provided with the 3rd locating dowel, and the 3rd locating dowel is located in cannelure.
8. measurement jig according to claim 1, it is characterised in that the compression joint mechanism includes driver element and pressure head; The driver element drives the pressure head to be moved along Z-direction;One end of the pressure head is provided with projection, is equipped with projection multiple Probe;One end of the probe electrically connects with signal source, and another end in contact is connected to the test point of the product to be measured.
9. measurement jig according to claim 8, it is characterised in that the driver element include framework, rotating handles, partially Heart block, shaft bearing plate and elastomeric element;The framework is located in inclined plane, and the axis of guide is provided with framework;The elastomeric element, axle Board is sheathed on the axis of guide, and elastomeric element is located at the lower section of shaft bearing plate;The pressure head is fixedly connected on the one of shaft bearing plate Side;The eccentric block is located at the top of shaft bearing plate;The rotating handles drives the eccentric block to be pressed together on the shaft bearing plate;Institute Shaft bearing plate is stated in the presence of eccentric block along the axial movement of the axis of guide.
10. measurement jig according to claim 1, it is characterised in that control button is connected with the signal source, it is described Control button is used to switch the test signal that the signal source is sent.
11. measurement jig according to claim 10, it is characterised in that the signal source is fixed by signal source installing plate In the inside of the base;The control button is located on the side plate of base.
12. measurement jig according to claim 1, it is characterised in that the angle between the inclined plane and horizontal plane is 40°-50°。
CN201510015234.8A 2014-11-21 2015-01-12 A kind of measurement jig Active CN104516132B (en)

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