CN103228369B - Product testing system - Google Patents

Product testing system Download PDF

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Publication number
CN103228369B
CN103228369B CN201180057611.4A CN201180057611A CN103228369B CN 103228369 B CN103228369 B CN 103228369B CN 201180057611 A CN201180057611 A CN 201180057611A CN 103228369 B CN103228369 B CN 103228369B
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China
Prior art keywords
air
shaking platform
chamber
product
systems according
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CN201180057611.4A
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CN103228369A (en
Inventor
詹姆士·A·普若沃斯特
马修·吉尔拉法
温德尔·K·R·哈特庆斯
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Ace Parker North America Ltd
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Qualmark Corp
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Priority claimed from US12/896,254 external-priority patent/US8485039B2/en
Priority claimed from US13/209,136 external-priority patent/US8616063B2/en
Application filed by Qualmark Corp filed Critical Qualmark Corp
Publication of CN103228369A publication Critical patent/CN103228369A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/002Thermal testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/025Measuring arrangements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

Product testing system includes multiple shaking platforms, the controllable product being installed on vibration on shaking platform of shaking platform;And air circulator, the air themperature for controlling product surrounding air.Shaking platform includes desktop, and the fixing device that product is connected to desktop;Desktop can selectively be fixed to the supporting structure in product testing system, and be used as the shaking platform in product testing system on startup, and desktop can be selectively from supporting structure removable for making product and desktop connection or separate.Product test controller includes the device being controlled to the vibration for sharing the multiple shaking platforms in rack;And the device that the air themperature of the product to being installed on shaking platform is controlled.

Description

Product testing system
Cross-Reference to Related Applications
This application claims entitled " the METHOD AND APPARATUS FOR THERMAL of submission on the 12nd of August in 2011 The of CONTROL OF A MULTIPLE CHAMBER TEST SYSTEM (thermal control method and equipment of multicell test system) " 13/209, No. 136 priority of U.S. Patent application, the 13/209th, No. 136 U.S. Patent application is to carry on October 1st, 2010 Entitled " the METHOD AND APPARATUS FOR THERMAL CONTROL OF A MULTIPLE CHAMBER for handing over No. 12/896,254 continuation of U.S. Patent application of TEST SYSTEM (thermal control method and equipment of multicell test system) " Application.The application also requires entitled " the TEST SYSTEM WITH VIBRATION TABLE for submitting on October 1st, 2010 No. 12/896,245 priority of U.S. Patent application of (there is the test system of shaking platform) ".The whole of above-mentioned application Disclosure is herein incorporated by reference.
Background
For carrying out the sampling observation of accelerating lifetime testing high (HALT), highly accelerated stress screen (HASS) and accelerated stress high (HASA) system may be used to the reliability and durability of the product manufactured by test.More specifically, the durability of product can Tested using HALT systems and step.Product can also be walked before consumer is dispensed into using HASS steps or HASA Suddenly test to find defect, all over products is tested in HASS steps, and in HASA steps, sample is selected from product stream Test.Generally, such test includes making device under test undergo vibrational energy and/or temperature cycles.By by device under test Oscillator or shaking platform in the test cabinet of controlled environment are installed to, can be by such stress to device to be tested Part.
The content of the invention
With regard to HASS and HASA programs, using the HASS of the multiaxis random vibration of quick change (per minute more than 40C) For HASA programs, following system can be effectively tested large-tonnage product.Following test cabinet is disclosed, the test cabinet is allowed Enter shaking platform from many sides, consequently facilitating product to be measured is placed in test cabinet, and be easy to product to be measured to shaking platform Interconnection.In prior art of the shaking platform with the large area (and being therefore rarely used in support product to be measured) for being difficult to enter Difference, system disclosed herein operation is to increase test cabinet treating capacity, therefore cost per Unit under test is than should be during there is something special Low cost.In such systems, shaking platform surface is sized to make full use of space, so as to prior art phase Than reducing the size of peripheral chambers and the energy efficiency during improve thermal cycle.
According to the disclosure some embodiment there is provided the product testing system with multiple test cabinets or rack.More Especially, (herein, sometimes referred to as the multiple test cabinets or test volume for being associated with shaking platform be arranged on single rack " shell ") in, for multiple devices or product of the test referred to herein as device under test simultaneously.Each test cabinet in shell is carried For the temperature controlled air from plenum chamber.In addition, for the implementation method using pneumatic actuator or beche, can include shaking Moving platform gas shell, is mixed with the gas for preventing actuator from discharging with the chamber atmosphere of temperature control.
It is to provide same or similar Warm status in each in multiple rooms, various features have been developed and whole Close plenum chamber design in.For example, in the inlet plenum part of air treatment system, arranging heating element heater and/or cooling element.It is logical Cross one or more fans, air suction inlet plenum, by heating and/or cooling element.According to some embodiment party of the disclosure There is formula, fan tangential air blast type to design.In addition, fan can have be at or about supply gas chamber component or supply gas The width of a part for chamber component.The air of fan output is by the exit portion of chamber component of supplying gas or by downstream chamber. In the case of chamber component of supplying gas provides to the vertical multiple test cabinets for stacking air, downstream chamber can be tapered or interlock Arrangement so that the area of plenum chamber increases and reduces with the distance for leaving fan.According to the yet another embodiment of the disclosure, One or more flow control apparatus can be included.More particularly, flow control apparatus or fluidic can be arranged in downstream chamber or Person connects with downstream chamber, in order to the equilibrium assignment of air to multiple test cabinets.In addition, flow control apparatus can include changed course device, Air damper, valve, flabellum, blade or other structures or device for controlling air rate or flow direction.According to other realities Mode is applied, the effect of flow control apparatus can be change, be used to control from downstream chamber to the test cabinet associated with flow control apparatus Air flow.According to yet another embodiment, in the case of using pneumatic actuator to operate shaking platform, can set outer Shell is so that the gas of pneumatic actuator discharge is separated with the temperature control chamber atmosphere of the test zone for occupying the room.
According to some implementation methods of the disclosure, multiple test cabinets are arranged to row.According to such implementation method, Each row can be with special air circulator part relation.For example, each row test cabinet can be with one or more heating units Part, one or more cooling elements, one or more fans are associated with downstream chamber.In addition, with specific test cabinet or test cabinet The air circulator part for arranging association can be by the side unrelated with the air circulator part that other test cabinets or test cabinet are arranged Formula is controlled, so as to increase the flexibility and application of product testing system.According to another other implementation methods, with each survey The flow control apparatus of examination room or the association of test cabinet group can be separately controlled.
The method of some implementation methods according to the disclosure includes equably distributing air to many of product testing system Individual test cabinet.This can include that control is assigned to the air of different chamber so that be blown into each indoor air rate equal Or it is substantially equal.According to another other implementation method, the foundation of thermal uniformity or remain able to include with different stream Rate provides the air from plenum chamber for different rooms.According to further embodiment, methods described can include change to institute State the flow rate of one or more the supply air in test cabinet.In addition, the air from the source outside thermal control plenum chamber can be by Separate, with the Warm status in the test zone for preventing air impact multiple room.
According to the further embodiment of the disclosure, method can include independently controlling air to product test chamber system Different chamber or one group of distribution of room.For example, when system has multiple volumes of many test cabinets, for each volume, can To be individually controlled heating element heater, cooling element or fan.As another example, flow control apparatus, institute can be individually controlled State the active flow control that flow control apparatus include but is not limited to be associated with each test cabinet.For example, same test cabinet row in or Person in different test cabinet row, for certain test cabinet flow control apparatus can with the flow control apparatus for other test cabinets without Close ground operation.
According to following discussion, particularly when with reference to accompanying drawing, other feature and advantage of presently filed embodiment To become more apparent from understanding.
Brief description of the drawings
Fig. 1 is the front perspective view of the product testing system according to implementation method;
Fig. 2 is the front perspective view of the product testing system according to implementation method, and wherein front door is opened;
Fig. 3 is the side cross-sectional view of a part for the product testing system according to implementation method, wherein depict air following Some features of ring device;
Fig. 4 A are the front view of a part for the product testing system according to implementation method, wherein depicting air circulator Some features;
Fig. 4 B are the front view of a part for the product testing system according to implementation method, wherein depicting air circulator Some features;
Fig. 4 C are the front schematic views of the shaking platform component of the product testing system according to implementation method;
Fig. 4 D are the front schematic views of the shaking platform component of the product testing system according to implementation method;
Fig. 4 E are the front schematic views of the product testing system with an extensible row room according to implementation method;
Fig. 4 F are the front views of the product testing system having according to implementation method, as shown in Figure 4 E, wherein, it is removable The row room for going out is moved out of and is substituted by product shelf;
Fig. 5 A are the bottom perspective views of a part for the shaking platform component according to implementation method;
Fig. 5 B are the bottom views of a part for the shaking platform component according to implementation method;
Fig. 5 C are the top views of a part for the shaking platform component according to implementation method;
Fig. 5 D are the front views of a part for the shaking platform component according to implementation method, including shaking platform support Element;
Fig. 5 E are the side views of a part for the shaking platform component according to implementation method, including shaking platform support Element;
Fig. 5 F show the framework according to implementation method, and the framework is configured to and the airtight fixed dress that can install product Tray is connected;
Fig. 5 G according to the line 5G-5G along Fig. 5 F of implementation method schematically show fixing device pallet how with framework Seal is realized, and shows the fixed form that can be used in being installed to the product tested in system;
Fig. 6 A are the block diagrams of the part for showing the product testing system according to implementation method;
Fig. 6 B schematically show the air circulator peace being located at including control in multiple racks according to implementation method One product testing system of control subsystem of platform actuation subsystem;
Fig. 7 is the flow chart of the operation for showing the product testing system according to implementation method;
Fig. 8 is the block diagram of the part for showing the product testing system according to other embodiment;
Fig. 9 shows the air outlet slit according to implementation method;
Figure 10 shows the air outlet slit according to implementation method;
Figure 11 be according to implementation method, such as Fig. 1,2,3, the schematic diagram of 4A-4F, 6A, 6B and 8 product testing system, It show further the details for providing exemplary temperature control;
Figure 12-18 is shown according to implementation method for controlling such as the test cabinet in Fig. 1,2,3,4A-4F, 6A, 6B and 8 In temperature illustrative methods flow chart;
Figure 19 is the temperature-time diagram according to implementation method, wherein, solid line is represented and limited in the expectation spectrum such as thought in Figure 11 Fig. 1,2,3,4A-4F, 6A, 6B and 8 in test cabinet preferred temperature, dotted line represents the measurement temperature of test cabinet;And
Figure 20 is the temperature-time diagram according to implementation method, wherein, Fig. 1,2,3,4A- shown in solid line representative graph 19 The preferred temperature of test cabinet in 4F, 6A, 6B and 8, dotted line represents the measurement temperature of the test cabinet using the adjustment spectrum control in Figure 11 Degree.
Specific embodiment
Fig. 1 is the front perspective view of product testing system 100, and the product testing system 100 includes thering is multiple individually tests The rack or shell 104 of room 108.In the example shown, six test cabinets 108 are included in rack 104 and system 100. But, in the case where the application scope is not departed from, any number of test cabinets 108 can be included in system 100;In addition, these Test cabinet may be located in single rack 104 or multiple racks 104 (referring below to described by Fig. 6 B).According to exemplary reality Mode is applied, each single test cabinet 108 includes shaking platform and is adapted for reliability, durability and/or the defect of product The thermal control environment of test.Although the multiple test cabinets 108 shown in Fig. 1 are similar on size and dimension, do not departing from In the case of the application scope, system 100 can include multiple test cabinets with different sizes and shapes.
Fig. 2 shows the product testing system 100 of Fig. 1, and wherein access door 204 is opened, to be allowed into each test Room 108.In the state of the opening of door 204, some parts in the part of test cabinet 108 are able to observe that in embodiments. Especially, in the implementation method of Fig. 2, each test cabinet 108 includes oscillator or shaking platform component 208.Each vibration Platform assembly 208 generally includes the shaking platform 212 with installation side or surface 214, and the installation side or surface 214 include Mount point 216, product to be measured can be connected to mount point 216 directly or through one or more fixing devices.Although Fig. 2 In shown shaking platform 212 be rectangle, shaking platform can be bent, shapes or aggravate, to change flat on startup The frequency response of platform, as shown in such as Fig. 5 A-5G or as description.
Each shaking platform component 208 can be associated with side plate 220, and side plate 220 is with shaking platform cover 224 (such as Fig. 3 institutes Show) and limit test cabinet 108 lateral extent side wall 228 and median wall 230 together, surround with shaking platform component 208 The actuator and support member (not shown in Fig. 2, seeing 5A to Fig. 5 E) of association.This allows the sky of the climate controlling in test cabinet 108 Gas is retained and is separated with actuator.For example, the actuator of shaking platform component 208 is thus, it is possible to being accommodated in and providing to survey In trying the environment that the chamber atmosphere of room 108 is separate, wherein device under test be arranged in test cabinet 108 and through heat cycles and/or Thermal control.As another example, for the system 100 using pneumatic actuator, by surrounding and each shaking platform component The actuator of 208 associations, is prevented from gas and the offer to survey discharged from the pneumatic actuator associated with shaking platform component 208 Try the chamber atmosphere mixing of room 108.Side plate 220 can be using fastener such as screw and side wall 228, median wall 230, shaking platform Cover 224 and/or shaking platform 212 are attached, or can be put into the groove formed by side wall and median wall, cover and/or platform with Form labyrinth sealing.
Fig. 2 shows the implementation method of the part associated with the air circulator 232 of product testing system 100.Fig. 2's In implementation method, air circulator 232 includes at least one air intake 236.In addition, each included for system 100 Test cabinet 108, the volume associated with test cabinet 108 is connected with least one this entrance 236.Example system shown in fig. 2 In system 100, three test cabinets 108 of each row have an air intake 236.Air circulator 232 extraly includes inlet plenum 240.Inlet plenum 240 receives air by air intake 236, and can receive air circulation fan 304 or be followed with air Ring fan 304 is connected (see Fig. 3).
Fig. 3 shows the sectional view of the system 100 in implementation method, and specifically illustrates air circulator 232 Feature.Usually, the chamber atmosphere of temperature control is circulated by air circulator 232 via test cabinet 108.In operation, air quilt Fan 304 is drawn into inlet plenum 240 by the air intake 236 in system 100.Fan 304 can be, such as tangential air blast Machine or centrifugal fan;Multiple fans 304 can be set in addition.As shown in figure 3, the storage thermal control element 306 of inlet plenum 240, this Each in a little thermal control elements can include heater 308 and/or cooling device 312.As an example, heater 308 It is stratie, cooling device 312 is such cooling system, it can (cryogenic liquid can be with using cryogenic liquid It is liquid nitrogen or other cryogenic liquids) and/or the compressed gas (for example, carbon dioxide) that cool down upon compression.Alternately, cool down Device 312 is the coil of evaporation plate or mechanical refrigeration unit.In some embodiments, from high temperature (for example, higher than room temperature 20 take the photograph Family name's degree or more) downward cooling product utilized by using air circulator 232 first air at room temperature rinse around product Space, so as to save the cost of cryogenic liquid, compressed gas and/or operation machinery refrigeration unit.After predetermined amount of time Or when predetermined temperature drop is sensed, then can implement the cooling of cryogenic liquid, compressed gas and/or mechanical refrigeration with Complete product cooling to desired final temperature.
The air being sucked into inlet plenum 240 can be heated or cooled as needed, will be in desired temperature The supply air of degree provides the test cabinet 108 to system 100.As the skilled artisan will appreciate that, particular type The operation of thermal control element 306 can increase or reduce the volume of the air in air circulator 232, wherein air circulator 232 can be but be not necessarily closed-loop system.For example, the cryogenic liquid and/or compressed gas for cooling down can be introduced into Air circulator 232 is simultaneously expanded into the several times of its initial volume.Therefore, in some embodiments, air circulator 232 can Mechanism 340 including receiving or discharging air as requested, to keep constant or approximately constant the air pressure in rack 104 Power.Mechanism 340 can be, for example, the blast pipe of one way stop peturn valve is provided with, or the mechanism including baffle plate, when in system 100 When internal pressure exceedes the air pressure outside system 100, baffle plate is pushed open by air pressure, and when internal pressure is less than or equal to external pressure Barrier seal systems 100.
Air is reached by fan 304 by fan outlet 316 by the air that inlet plenum 240 is aspirated to distribute or downstream chamber 320.As shown in figure 3, downstream chamber 320 has the depth generally reduced with the distance increase apart from fan outlet 316.In addition, For each test cabinet 108 sets air outlet slit 324.The reduction of the depth d of downstream chamber 320 interlocks plenum chamber there is provided air-flow, this Help to provide the air of the temperature control of isodose to test cabinet 108.In addition, downstream chamber 320 can include that contribute to will be equal The air of amount provides the further feature to each test cabinet 108.For example, one or more changed course devices 328 can be set, to control Air flow in downstream chamber 320.
Air circulator 232 can include one or more flow control apparatus 330.For example, can include that there is one or many The flow control apparatus 330 of individual changed course device 328.Changed course device 328 can include being formed surface or the appearance of the contraction flow region in downstream chamber 320 Product.In addition, changed course device 328 can be disposed in 324 downstream.Changed course device 328 including contraction flow region forms the area that pressure rises Domain, the region promotes the air flow by air outlet slit 324 located immediately upstream in changed course device 328.Therefore, alter course device 328 air flows that can be used to equilibrate to test cabinet 108.According to another other implementation methods, changed course device 328 can be wrapped The contraction flow region with movable surfaces 334 is included, to allow the change in size of the contraction flow region in downstream chamber 320, so as to change by attached The air flow of near air outlet slit 324.Altematively or additionally, air outlet slit 324 can include valve or grid form Flow control apparatus 330, the flow control apparatus can be adjusted to control the air flow by air outlet slit 324.
According to other embodiment, downstream chamber 320 can have the depth along the length stays constant of downstream chamber 320.Root According to such implementation method, from downstream chamber 320 to the air flow in each test cabinet 108 can by be arranged in fan 304 with Changed course device, air damper, valve or other flow control apparatus 330 between one or more test cabinets 108 are controlled.For example, with The flow control apparatus 330 associated closest to the outlet 324 of fan 304 can be than associating with the outlet 324 at first outlet downstream Flow control apparatus 330 have relatively bigger throttling.For example, apart from fan 304 it is relative closer to outlet 324 can have than away from From the smaller area of the area of the relatively farther air outlet slit 324 of fan 304.By the way that so the control of construction stream is filled in a different manner 330 are put, the flow equalization of each room 108 can be made, even if the outlet 324 for supplying each test cabinet 108 is located relative to wind The diverse location of fan 304.According to yet another embodiment, flow control apparatus 330 can include variable flow control apparatus 330.In addition, can Becoming flow control apparatus 330 can be with actively controlled.For example, active flow control 330 can include the device 328 that actively alters course, wherein Changed course device 328 has the surface 334 movable relative to neighbouring outlet 324.Especially, moved by making the surface, Neng Gouzeng Region that is big or reducing downstream chamber 320.This in turn allows for the flowing that regulation exports 324 by one or more.As another Individual example, flow control apparatus 330 can include variable airflow adjuster.
Fig. 4 A are the portions of the air circulator 232 according to used by the product testing system 100 of another exemplary implementation method The front view for dividing.In this embodiment, it is that each row test cabinet 108 sets air intake 236, and is each test cabinet 108 set air outlet slit 324.In addition, air circulator 232 includes first outlet room 320a and second outlet room 320b.It is more special Not, first outlet room 320a is associated with first row test cabinet 108, and second outlet room 320b is closed with secondary series test cabinet 108 Connection.Product testing system 100 can include two fans 304a and 304b, and each fan 304 can be supplied air to One in downstream chamber 320a and 320b.Therefore, each downstream chamber 320a and 320b can be associated with fan 304.Two fans 304 can extract air from public inlet plenum 240.Alternatively, inlet plenum 240 can be divided into the first inlet plenum 240a and second and enter Air chamber 240b.In the case of separate inlet plenum 240a and 240b is provided, they can accommodate the thermal control element of separation 306a and 306b, the thermal control element include separate heater 308a and 308b and/or separation cooling device 312a and 312b.Or public inlet plenum 240 can accommodate the thermal control element 306a and 306b of separation, both entirely or primarily serve phase The downstream chamber 320a and 320b of pass.In addition, separate thermal control element 306a and 306b can be individually controlled, with to different lines Test cabinet 108 provides different heating amounts or amount of cooling water.For example, shown implementation method can include two tangential fans 304, one of fan 304a supply air to first row test cabinet 108, and the second fan via first outlet room 320a 304b supplies air to secondary series test cabinet 108 via second outlet room 320b.In addition, each fan 304a and 304b can be received To independent control, to provide different air capacities to different downstream chamber 320a and 320b.By way of parenthesis, each downstream chamber 320a Can include one or more flow control apparatus 330 with 320b.For example, outlet 324 area can with apart from inlet plenum 240 away from From and change.In addition, one or more flow control apparatus 330 can include variset.For example, changed course device 328 and/or outlet 324 can be operated, and the air flow of flow control apparatus 330 is passed over or through optionally to change.Variable flow control apparatus are being provided In the case of 330, the flow control apparatus can be with actively controlled.In addition, the flow control apparatus associated with first outlet room 320a 330 can be separately controlled with the flow control apparatus 330 for being associated with second outlet room 320b.The width and/or depth of downstream chamber 320 Degree can reduce for supplying the air of climate controlling with distance to the increase of the distance of the fan 304 of downstream chamber 320.Substitute Ground, such as in the case of including changed course device 328 or other flow control apparatus 330, the depth and width of downstream chamber 320 can keep It is constant.
Fig. 4 B are the parts of the air circulator 232 according to used by the product testing system 100 of illustrative embodiments Front view.In this embodiment, it is that each row test cabinet 108 sets air intake 236.In addition, being each row test cabinet 108 Air outlet slit 324 is set.Therefore, the air circulator 232 in present embodiment includes usually being arranged to two parallel columns Air intake 236 and air outlet slit 324.In this example, the width W of downstream chamber 320 is constant.According to other embodiment party Formula, width W can increase and reduce with the distance apart from fan 304.Therefore, no matter the width W and/or depth d of downstream chamber Whether reduce, the volume of downstream chamber can reduce with the distance increase apart from fan 304.Although air intake 236 and air Outlet 324 can be arranged to parallel row, and the thermal control element 306 in fan 304, inlet plenum 240 and inlet plenum 240 can be relative Air circulator 232 is shared.Therefore, these shared parts of air circulator 232 are capable of supply that the air of thermal control is arrived The test cabinet 108 of system 100.
Fig. 4 C are the schematic fronts of shaking platform component 208 in product testing system 100 according to another implementation method Figure.In this embodiment, each shaking platform component 208 is configured to be loaded using sliding part 207 and uninstalling system 100 The product of interior test.The sliding part 207 corresponding with each shaking platform component 208 is arranged such that component 208 in system 100 Inside can at least slide in and out.Sliding part 207 is slide plate, but the terms " sliding part " also include this equipment, and this sets The standby linear bearing for including being easy to shaking platform component to be laterally into or leave system 100, roll, wheel hub and similar Equipment.In figure 4 c, a pair of sliders 207 is shown for each component 208, but some implementation methods can only use one Individual sliding part 207;And, single sliding part 207 can be installed advantageously with other structures, such as from the rear table of system 100 Install in face.Sliding part 207 can also be configured such that shaking platform component 208 can be removed from system 100 completely.Use slip Part is conducive to entering shaking platform 212 (for example, as shown in Figure 2), so that convenient and quickly load and unload test cabinet 108. In some embodiments, sliding part 207 can also be configured to be withdrawn from system 100 completely when shaking platform component 208 When make each shaking platform component 208 downward-sloping further to facilitate access for shaking platform 212.Additionally, in some embodiment party In formula, test system 100 can include installed part, when shaking platform component 208 is fully located in test system 100, install Each shaking platform component 208 is fixedly secured to test system 100 by part, is discharged from sliding part 207 so that sliding part 207 Moving parts or frailish part will not become fatigue during vibration-testing or introduce unexpected vibration.At this In a little implementation methods, when shaking platform 212 is installed in system 100, sliding part 207 can keep vibration component 208, side wall 228 and center wall 230 in one or more couplings, or sliding part 207 can be removed.
As those skilled in the art after in view of the disclosure it will be appreciated that, the arrangement of air circulator 232 can become Change, to accommodate the construction of different test cabinets 108.The air intake 236 corresponding with its of shaking platform component 208 and air outlet slit Thus 324 be configured to correspondingly change.For example, test cabinet 108 can be organized in column (for example, each row are by least two Test cabinet 108 is constituted, and a test cabinet is arranged in above another test cabinet) so that air circulator 232 is included for every At least one air intake 236 of one row test cabinet 108, and at least one air outlet slit 324 of each test cabinet 108. Alternatively, test cabinet 108 can be organized and embarked on journey or sub-line at least two test cabinets 108 (for example, be made up of per a line, each survey Examination room is arranged adjacent to another test cabinet).And, test cabinet 108 need not in the horizontal direction towards its shaking platform 212; It is also vertically expected with diagonal shaking platform direction.
Fig. 4 D show some above-mentioned implementation methods.Fig. 4 D are compared with Fig. 4 C, including its associated vibration is flat Two rooms 108 of platform component 208 are removed, and by two rooms including its shaking platform component 208 ' being associated 108 ' substitute, and two rooms 108 ' are disposed adjacent one another, so as to produce a line room.Additionally, Fig. 4 D show and each vibration The associated shaking platform 212 of platform assembly 208,208 '.The shaking platform being associated with shaking platform component 208 ' has vertical Straight direction rather than shaking platform 212 horizontally toward.Correspondingly, the actuator in shaking platform component 208 ' from sidepiece rather than Its associated shaking platform from bottom influences.The vertical arrangement of shaking platform component 208 ' can be in order to the rack of system 100 More multicell is accommodated compared with other possible situations.
Fig. 4 E are the front views of the product testing system 100 according to implementation method, wherein product testing system 100 have by The removable row 209 of the composition of room 108.In Fig. 4 E, removable row 209 include four rooms 108, each room and shaking platform component 208 are associated, as shown in the figure;However, removable row 209 can include any number of room.Sliding part 207 is easy to will be removable Row 209 are positioned in system 100 and/or are removed from system 100, and as described above, removable row 209 are being placed in into system After in 100, sliding part 207 can be removed.
Fig. 4 F are the front views of the product testing system according to Fig. 4 E of implementation method, and the product testing system is Remove removable row 209 and substituted using product shelf 213.Sliding part 207 is conducive to making product shelf 213 be positioned at system 100 The interior and/or removal from system 100, and sliding part 207 can be removed after product shelf 213 is placed in system 100, such as It is upper described.By applying thermal stress but no vibration, product shelf 213 can be used for product to be measured or to be shielded.Art technology Personnel will be appreciated that test product no vibration (for example, on product shelf 213) in system 100, while like products exists Vibration-testing (for example, using the chamber 108 in same system 100) is carried out under identical thermal environment to be conducive to clearly comparing thermal stress The influence of influence to reliability and vibration to reliability.In embodiments, product shelf 213 can be used and is suitable for use in Shape and/or size in system 100, to replace any number of chamber 108 or its combination.Additionally, product shelf 213 makes it possible to It is enough within system 100, by remove by actuator, its supporting member and pipeline and associated cover or other air around Volume occupied by part, using the most of volume available in product filling test system 100.It is for only Thermal test space System 100 breaks Re-plus the selection in-vibration-testing space greatly strengthen the test energy of system 100 in detecting large volume environment Power and flexibility, may such as be required to support the HASA programs of a large amount of manufactures for multiple product lines.
Fig. 5 A to Fig. 5 G are shown according to some implementation methods, the shaking platform that may be embodied in test system 100 The different views of component 208.Fig. 5 A to Fig. 5 G show shaking platform 212, and the shaking platform 212 includes thering is the first side or peace The sealing plate 211 on surface 214 is filled, the first side or installation surface 214 can include multiple fixing devices or fastening point 216.Fig. 5 F Framework 211 ' is shown with Fig. 5 G, framework 211 ' is configured to can be with sealed fixing device pallet mounted thereto with product 218 connections.
Multiple hammer or actuator 520 are interconnected to the second side 504 of shaking platform 212.Actuator 520 can be any class The actuator of type.For example, using pneumatic operation actuator, electro-motor actuator, hydraulic actuator and/or can speed up Shaking platform 212 or shaking platform 212 is exerted a force and/or other mechanical energies any other type of device.According to some Implementation method, actuator 520 is configured to provide translation on x-axis, y-axis and z-axis and rotation both fortune of shaking platform 212 It is dynamic.Therefore, shaking platform component 208 can provide the platform motion with six degree of freedom.As shown in Fig. 5 D and Fig. 5 E, shaken Moving platform bearing 524 can be provided adjacent to or towards the support or branch for spring 508 of the second side 504 of shaking platform 212 Post 528.As those skilled in the art consider the disclosure after it will be appreciated that, shaking platform bearing 524 is fixed to rack 104。
It is similar to the above description for combining Fig. 2, although shaking platform 212 is shown as rectangle in figures 5 a-5e, but can be pre- Phase, shaking platform 212, plate 211 and/or framework 211 ' can be bent, shape or aggravate, with loading product and startup When change the frequency response of whole shaking platform 212.
In implementation method in figures 5 a-5e, plate 211 is airtight, is made around the product in installation surface 214 Air separated with the air below plate 211, be conducive to carrying out temperature control by making the exhaust of actuator isolate with product, It is as described below.Shaking platform 212 is supported on and installation surface 214 by one or more support members or stage+module spring 508 On the second relative side 504, wherein support member or stage+module spring 508 are arranged within the edge of shaking platform 212.Spring It can be any combination of compression-type, extended or blade profile.For example, during spring may be located at the point 512 at the angle to form rectangle The heart, the rectangle is located at the center (see Fig. 5 B) of rectangle 514 limited by installation surface 214 in itself, and defines equal to not surpassing Cross the 50% of the area of installation surface 214 region.Internal installation site is provided by for spring 508, is arranged on flat with spring Platform periphery is compared near the shaking platform that platform periphery is installed, and shaking platform 212 can more preferably support Devices to test.Example Such as, spring 508 will be installed and will be more nearly the platform that the center placement of shaking platform 212 is allowed, this can be in shaking platform 212 Machine Design and/or improvement aspect of performance open the free degree.Specifically, the relatively low platform of structural robustness allows shaking platform 212 realize wider spectral response, in particular improve the power of 1000Hz lower frequencies.
The inside of spring 508 is installed by the implementation method for also helping the non-board- 2112 including framework 211 ' of shaking platform 21. Fig. 5 F show framework 211 ', and the framework 211 ' is configured to and the airtight fixing device pallet that can install product thereon 218 connections.Fig. 5 F include the shade of framework 211 ', so that the large hole through framework 211 ' understands, and only by airtight fixation Device pallet 218 is expressed as empty profile so that the feature for passing through of framework 211 ' is visual.Fig. 5 F also show in phantom for The actuator of support frame 211 ' and the attachment point 530 of spring, position are similar with the position shown in Fig. 5 B.Framework 211 ' Peripheral edge and platform cover 224 (not shown in Fig. 5 F, seeing Fig. 3 and Fig. 5 G) connect, but framework 211 ' is due to extending there through Hole is rather than airtight.When the peripheral edge of fixing device pallet 218 is connected (for example, by fixing device with framework 211 ' Or fixing device pallet 218 is fixed to framework 211 ' at fastening point 216) when, fixing device pallet 218 and framework 211 ' are completed Seal 217, so that platform cover, framework 211 ' and fixing device pallet 218 form continuous gas impermeable surfaces.Although seal 217 shows Go out be in the inside of fastening point 216, it is contemplated that seal 217 can also be formed in the outside of fastening point 216, and Shown rectangular shape is not limited to, and can be the arbitrary shape of framework 211 ' and the realization of fixing device pallet 218.Seal 217 can be in contact and simply formed by the flat surfaces of framework 211 ' with fixing device pallet 218, or can provide example Such as the feature of pad is being conducive to gas-tight seal 217.Dotted line 5G-5G represents the plane of the view by Fig. 5 F, the plane Shown in Fig. 5 G.
Schematically show how fixing device pallet 218 is realized with framework 211 ' along line 5G-5G, Fig. 5 G of Fig. 5 F Seal 217, and show the fixation that can be used in being installed to the product 10 tested in system 100.Fig. 5 G show Four parts of framework 211 ' are gone out, such as along the line 5G-5G findings in Fig. 5 F.As depicted in fig. 5g, the most external of framework 211 ' Divide and the edge of platform cover portion point 224 and 224 ' is sealed.Therefore, entered by the outermost portion to 211 ' at seal 217 Row sealing, fixing device pallet 218 completes to divide 224 to the continuous gas-tight seal of platform cover portion point 224 ' from platform cover portion.Continuous sealing The air below pallet 218 is separated with the air above of pallet 218, so as to not with actuator (for example, above-mentioned actuator 520) in the case that the exhaust for sending or other gases produce interference, can be to being controlled around the air themperature of product 10,10 ' System.Fixing device pallet 218 can consider with the use of framework 211 ' and for shaking platform component be divided into two-layer.Upper strata includes fixing Device pallet 218, fixing device 540 (will be described below) and it is attached to the product on the upper strata.Lower floor includes framework 211 ', Framework 211 ' is connected with platform cover portion point 224, actuator 520 and its pipeline being associated or line, and the framework 211 ' is also equipped with Spring 508 and its associated shaking platform bearing 524 and support or pillar 528.By the air on fixing device pallet 218 With under fixing device pallet 218 and around the separate two-tiered approach of air of actuator, provided for fast in production environment The free degree and flexibility in the design of the fixing device of speed loading and unloading.Two-tiered approach also provides and can be used to subtly adjust The mechanical system formed by framework 211 ', fixing device pallet 218, fixing device 540 and the product for being loaded above The design freedom of vibration performance.That is, when shaking platform includes plate 211, the rigidity and size of plate 211 itself can be with Limitation attainable vibration mode when fixing device and product are attached, and framework 211 ' can allow the user of system 100 Product tray 218 and fixing device 540 is set to cause that whole mechanical system supports that vibration mode can not be realized otherwise.
Fig. 5 G also schematically show and can be used for product 10,10 ', 10 " (being referred to as product 10) be fixed to plate 211 Fixing device 540,540 ', 540 ", 540 " ' (being referred to as fixing device 540).In other embodiments, art technology Personnel are it is understood that when fixing device pallet 218 is not used, product 10 can be fixed to plate 211 by fixing device 540 (for example, the plate 211 shown in Fig. 5 A to Fig. 5 E).Fixing device 540 can include being configured as the shape and chi with product 10 The hand welding of very little matching, magnetic forceps, vacuum forcepses, bolt, door bolt, hinge, button, magnet, electromagnet, electric actuator, spring is equipped with The equipment of spring, and the element such as block, and/or these elements combination.For example, the fixing device 540 shown in Fig. 5 G be by Product is maintained at the pincers on device pallet 218;Fixing device 540 " is the block matched with the size and dimension of product 10 ', and And fixing device 540 ' can be formed by bolt, bolt bolt on the either side of product 10 ' is fixed to fixing device pallet 218.In another embodiment, fixing device 540 " ' it is two-piece type fixing device, it is hinged at 542 and at 543 on product 10 " snapping, and by from the downside of plate 211 by vacuum abutment plate 211 that the vacuum line 547 by accessory 545 is applied come It is fixed.Definition of the applicant to " airtight pane 211 " is included along the possibility of the vacuum hole through this plate 211, as long as this Either hole is connected to vacuum line (for example, shown vacuum line 547), or (b) be capped so as to make plate 211 keep from side to Opposite side is airtight.It should be understood that the equipment of vacuum, pneumatic, electromagnetism, and/or electro-motor actuating is any or complete Portion can use using or together with fixing device 540 in fixing device 540 and be conducive to making product 10 be automatically loaded into fixation On device 218 and/or it is loaded directly on shaking platform 212.
As described above, each shaking platform component 208 can be associated (as shown in Figure 3) with cover 224 so that work as shaking platform During with sealing plate 211 (for example, as shown in Fig. 5 A to Fig. 5 E) or when sealed fixing device pallet 218 complete framework 211 ' When being sealed across open area (as shown in Fig. 5 F and Fig. 5 G), shaking platform component 208 is formed and accommodates support shaking platform 212 The enclosed volume of spring 504 and the actuator 520 for applying to vibrate to shaking platform 212.Therefore, supplied by air circulator 232 Chamber atmosphere with around shaking platform actuator 520 and spring 508 air insulated.Therefore, include in actuator 520 In the case of beche, do not mix with chamber atmosphere from the air of the discharge of actuator 520, influence the temperature of chamber atmosphere.Such as Fig. 3 Shown in, cover 224 can include front panel or forward part 226.For the test cabinet for being positioned at another top of test cabinet 108 108, cover 224 can also include 332 (see Fig. 3) of bottom panel or bottom point.In addition, bottom panel or bottom point 332 can be separated Part, or can include shaking platform bearing 524 surface.
Fig. 6 A are the block diagrams for showing the product testing system 100 according to implementation method.As shown in Figure 6, product test system System 100 includes air circulator 232, shaking platform actuation subsystem 604 and control subsystem 608.Control subsystem 608 connects Input 612 is received, input 612 is supplied to controller 616, to control the aspect of the operation of product testing system 100.Controller 616 can serve as or including optional vibrating controller 650, optional temperature controller 660, or comprising the two.(in order to clear Clear explanation, respectively in Fig. 6 A and Fig. 6 B, the mark of vibrating controller 650 and temperature controller 660 is abbreviated as " VIBE " respectively " TEMP ").
In embodiments, controller 616 includes vibrating controller 650, for treating to being applied to by shaking platform 212 The vibration for surveying product is controlled.For example, vibrating controller 650 can concurrently to the vibration of all platforms 212 of system 100 It is controlled, or the subset of shaking platform 212, region or independent platform can be controlled, as will be described below 's.
Input 612 can include the input that user is keyed in by input unit, additionally it is possible to the control ginseng including sequencing Number.Controller 616 can include general purpose programmable processors, the controller with integrated memory or for execute instruction Other processors or computer implemented device.The instruction performed by controller 616 can use following form:User is defeated Enter, store instruction or the firmware of the data storage as software, and/or coding of sequencing in memory.Particularly Ground, controller 616 can perform control control algolithm, and the control algolithm is realized or including proportional-integral-differential (PID) control System processed.In addition, controller 616 can include multiple processors, memory device, and/or logical device.Such as general description here , control subsystem 608 can provide a signal to air circulator 232 and shaking platform actuating system 604.In addition, control System 608 can receive signal from the sensor associated with air circulator 232 and/or shaking platform actuation subsystem 604.Control Subsystem 608 can also be connected by wired or wireless connection 670 with outer computer;Connection 670 for example can be network Connection (for example, internet) so that system 100, control subsystem 608, controller 616, chamber 108 and its part can be by nets Network is controlled.
Included providing to positioned at inlet plenum 240 from the control signal that control subsystem 608 is provided to air circulator 232 In thermal control element 306 signal.Especially, the control signal for being provided by control system 608 can instruct thermal control element 306 to add Air in heat or cooling inlet plenum 240.Control subsystem 608 can also include being used to the control of the operation for controlling fan 304 Signal.In addition, control subsystem 608 can provide control signal with active flow control 330, the flow control apparatus are included but not It is limited to variable outlet 324, variable changed course device 328 or variable air air damper 606.As shown in FIG, followed by air The air of the suction of air intake 236 of ring device 232 is received in inlet plenum 240, wherein the air can be in control subsystem It is heated or cooled by thermal control element 306 under the instruction of system 608.In addition, air passes through air intake 236 and air inlet by fan 304 Aspirated in the way of across thermal control element 306 room 240.Then the air being heated or cooled is sent to downstream chamber 320 by fan 304. Since downstream chamber 320, air reaches each test cabinet 108 through air outlet slit 324.In the example shown, downstream chamber 320 The second outlet that supply air is associated to the first outlet 324a associated with the first test cabinet 108a with the second test cabinet 108b N-th outlet 324n that 324b is associated with n-th test cabinet 108n.Therefore, the air being heated or cooled is provided to multiple surveys Examination room 108.In addition, air circulator 232 to can be configured such that heating or cooling air is supplied to any number of Test cabinet 108.The air for providing test cabinet 108 is sucked by air intlet 236 and returns to inlet plenum 240.Alternatively or Additionally, air circulator 232 can make the air of surrounding environment enter or release air into surrounding environment, to control Stress level in test cabinet 108.
Air circulator 232 can utilize the feedback related to the control signal of the offer of control subsystem 608;The feedback can Performed with by controller therein 616 and/or optional temperature controller 660.Especially, one or more test cabinets 108 Temperature sensor 620 can be included for example, the thermocouple of temperature signal can be sent to controller 616.Controller 616 (or can Select temperature controller 660 therein) information of the temperature on test cabinet 108 provided by temperature sensor 620 can be provided To control thermal control element 306, fan 304 and/or active flow control 330 so that the air with desired temperature is carried It is supplied to test cabinet 108.In figure, temperature sensor 620a, 620b and 620n and the first test cabinet 108a, the second test cabinet 108b Associated with each test cabinet in n-th test cabinet 108n.Therefore, controller 616 can utilize the whole day in temperature sensor 620 The temperature signal of offer is waited to control the operation of air circulator 232.Alternatively, the average temperature for being sensed by temperature sensor 620 Degree can be used by controller 616, and the controller 616 can be in response to the letter by any one offer in temperature sensor 620 Number and operate.Alternatively, in temperature sensor 620 only needs to be arranged in test cabinet 108 one, from a TEMP The signal that device 620 sends can be used to control air circulator 232.When the sign of chamber shows its pole class each other in terms of heat Like when, the feedback provided for all chambers in system using single temperature sensor is useful.This is considered as " master/slave " Control arrangement, wherein measured chamber is main chamber, other chambers are from chamber.According to another other implementation methods, Temperature sensor 620 can be arranged in another part of air circulator 232, such as be arranged on inlet plenum 240 or set Put in downstream chamber 320.According to another other implementation methods, for example, wrapped in air outlet slit 324 and/or changed course device 328 When including the part as air circulator 232, thermocouple can be arranged on many in multiple rooms 108 or in each room 108 Individual position so that controller 616 can operate to control variable air to export 324 and/or changed course device 328.In addition, variable air Outlet 324 and/or variable changed course device 328 can independently be controlled by controller 616, with for the sky in different test cabinets 108 The control of the difference of temperature degree.Other sensor can also be included, to provide used by controller 616 and air circulator The signal that 232 control is associated.For example, one or more pressure sensors can be arranged in air circulator 232, to carry For signal to controller 616.
Controller 616 and/or optional temperature controller 650 can also operate to control the operation of shaking platform 208.More Especially, in example shown in fig. 6, shaking platform actuation subsystem 604 includes pneumatic system.Therefore, air-source is supplied 624 provide control air to one group of valve 628.For example, can be included in shaking platform component 208 with certain orientation Every group of actuator 520, or be every group of actuator 520 in the given row of chamber 108, or be other predetermined groups of chamber 108 Or the actuator in region, valve 628 is set.In extreme circumstances, can be provided for the actuator 520 of each shaking platform 208 Valve 628.Then the air that valve 628 is supplied is assigned to those actuators 520 by header 632.As those skilled in the art can Understand.The operation of actuator 520 applies to accelerate to platform 212.The gas of the discharge of actuator 520 can be collected in exhaust chamber 636 In.Air from exhaust chamber 636 can be sent to surrounding environment.According to another other implementation methods, each blast pipe Line may be used to that exhaust directly is exported into surrounding environment from actuator 520.
One or more shaking platforms 212 can have one or more accelerometers 640 mounted thereto.Implementing In mode, accelerometer 640 is three axis accelerometer, and the 3-axis acceleration is calculated as its shaking platform and provides three-dimensional vibrating feedback. In other embodiments, accelerometer 640 is the linear accelerometer that feedback is provided on an axle;In this implementation method In, each shaking platform 212 can provide two axles or three axles feedback using two or three accelerometers 640.(in order to illustrate For the sake of clear, some examples for the temperature signal provided by temperature sensor 620 or accelerometer 640 do not show in fig. 6 Go out.)
Therefore, as shown in Figure 6A, each shaking platform 212 can respectively with accelerometer (or multiple linear acceleration Meter) 640a, 640b associate with 640n.Then signal from each accelerometer 640 can be provided to controller 616, and And the average value of a selected signal or the signal can be used by controller 616 in the signal.According to some A needs in implementation method, only platform 212 are associated with accelerometer 640.
By Fig. 6 A and its description, it should be appreciated by those skilled in the art the actuating of control subsystem 608, shaking platform Subsystem 604 and air circulator 232 are interconnection but separable system.Because they are separable, a control Subsystem 608 can control several shaking platform actuation subsystems 604 and/or air circulator 232;This subsystem 604 In being contained in identical rack 104 or multiple racks 104 with air circulator 232, as described in the present.
Fig. 6 B schematically show the air circulator being located at including control in multiple racks 104 according to implementation method 232 and a product testing system for control subsystem 608 100 of platform actuation subsystem 604.As shown in Figure 6A, son is controlled System 608 includes input 612 and controller 616, and controller 616 includes vibrating controller 650 and temperature controller 660.As schemed It is shown, the temperature of the room in the control rack 104 (1) of control subsystem 608, rack 104 (2) and rack 104 (3) and/or shake It is dynamic.Each rack 104 accommodates one or more vibration subsystem and/or one or more air circulators 232.Rack 104 (1) Accommodate an air circulator 232 and an actuation subsystem 604.Although being not on scale, in rack 104 (1) In, air circulator 232 and actuation subsystem 604 are shown as relatively large, so will be suitable for for Large Copacity/low mixture manufacturing line HASA programs (that is, HASA programs single sampling inspection multiple same types part).Rack 104 (2) accommodates two skies Gas circulator 232, the air themperature that one of control is associated with two actuation subsystems 604, it is therein another with Any actuation subsystem 604 is unrelated (for example, being one or more rooms for not using vibration still of temperature control).Rack 104 (2) can It is suitable for the HASA programs (for example, to inspect multiple different products by random samples) for high power capacity/mixture manufacturing line high.Rack 104 (3) Accommodate an air circulator 232 and an actuation subsystem 604.Although being not on scale, in rack 104 (3) In, air circulator 232 and actuation subsystem 604 are shown as relatively small, so will be suitable for for such as research and development of products operation to be low The HALT programs (that is, HALT is used for the initial reliability testing of new product) of capacity/low married operation.Each is empty Gas circulator 232 and actuation subsystem 604 receive the control signal from controller 616, and it is collectively illustrated as control signal 680 (for example, as shown in Figure 6A, control thermal control element 306, inlet plenum 240, fan 304, supply air-source 624 and valve 628 Signal)., also to the sending signal of controller 616, it is collectively illustrated as sensor for each air circulator 232 and actuation subsystem 604 Signal 690 (for example, as shown in Figure 6A, the signal from temperature sensor 620 and accelerometer 640).
Figure 7 illustrates the method for providing product testing system according to implementation method.The method can pass through The control algolithm performed by controller 616 is associated.According to this method, multiple test cabinets 108 are disposed in rack 104 (step It is rapid 704).Each test cabinet is associated with shaking platform component 208.In addition, the rack includes air circulator 232, the sky Gas circulator 232 includes at least one entrance 236 and at least one air outlet slit 324 that are connected with each test cabinet 108.Rack Door 204 is opened to enter multiple test cabinets 108 (step 708).At least one device under test or product and then it is arranged and mutually It is connected to each shaking platform 208 (step 712).After device under test has been interconnected to shaking platform 208, cabinet door 204 is closed Close (step 716).
Be then able to start the operation (step 720) of air circulator.Especially, fan 304 can be opened, to aspirate Air is by air intlet 236, by inlet plenum 240 and across or by thermal control element 306.Then, current heating or The air of cooling is forced along the flow further downstream of downstream chamber 320, flows out air outlet slit 324 and flows into test cabinet 108.Force air Outflow air outlet slit 324 can include turning to the air in downstream chamber 320.More particularly, steering gear can be arranged in outlet In room 320, the downstream of air outlet slit 324, to form contraction flow region, is used to the flowing for promoting air to pass through air outlet slit 324.Use Steering gear 328 makes the equalization of pressure at air outlet slit 324, with provide identical or approximately uniform air flow and Warm status or Pressure is to the device under test in each test cabinet 108.Altematively or additionally, using the teaching of the invention it is possible to provide the sky that can be actively controlled Gas exports 324 and/or air damper 606 or other flow control apparatus 330.
The operation of shaking platform 208 can also start (step 724) after the closing of door 204.According to some implementation methods, Shaking platform 208 can accelerate the device of attachment, and the device of attachment can be made to accelerate with six degree of freedom.According to these and Other embodiment, whole shaking platform 208 can operate to apply the acceleration of same train to the device of attachment so that Identical stress is applied to device.The information that the control of shaking platform can be provided with accelerometer is associated.Accelerometer One in shaking platform 208 can be attached to.Alternatively, more than one shaking platform 208 or even all of vibration Platform 208 can include accelerometer.
In step 728, can determine test or pre-burning (burn) in the step of being carrying out run time whether Complete.If run time has been completed, treatment can terminate.Otherwise, treatment will continue, default until having reached Run time (step 732).
Fig. 8 is the block diagram of some parts of the product testing system 100 according to other embodiment.More particularly, Fig. 8 shows The air circulator 232 of the illustrative embodiments of the system 100 of many test cabinets 108 is gone out, wherein system 100 has the first air Circulator 232a and the second air circulator 232b.First air circulator 232a can be associated with first row test cabinet 108, and Second air circulator 232b can be associated with secondary series test cabinet 108.In the present embodiment, shared control is shown System 608.Control subsystem 608 receives the input 612 for being supplied to controller 616.Therefore, in some aspects, control System 608 is similar with the control subsystem 608 in the implementation method including single air circulator 232.To be individually controlled Multiple air circulator 232a and 232b in implementation method shown in Fig. 8, controller 616 can carry out concurrency control algorithm. These parallel algorithms can be realized by separate processor, or by realizing that the single processor of multiple virtual machines is realized. According to another other implementation methods, controller 616 can realize single processor algorithm, and the algorithm is provided and followed for air The independent control of the various parts of ring device 232a and 232b.For example, the algorithm that controller 616 is performed can realize PID control system System or algorithm, the control system or algorithm response are operated in the temperature information provided by temperature sensor 620a, so that thermal control Element 306a and 306b are operated, so as to reduce or eliminate in the firstth area including first row one or more test cabinets 108 and bag Include the temperature difference between the secondth area of one or more test cabinets of secondary series.Used as another example, pid control algorithm can make With the temperature information from the temperature sensor 620 in first row test cabinet 108 as primary be input into, then can by pair with Test cabinet 108 arranges the selection operation of the heater 308 of association and adds heat with impulse form so that the temperature associated with first row Degree sensor 620 is compared, and the temperature sensor 620 associated with secondary series has relatively low temperature.Therefore, main algorithm includes Difference algorithm can make the thermal control element 306 and associated air circulator that are associated with the row in multiple row test cabinet 108 232a and 232b are differentially operated.
It is each that the first air circulator 232a and the second air circulator 232b for providing can include on system 100 Plant test cabinet 108 and enhanced thermal control is provided.For example, for each air circulator 232a and 232b, can independently control Thermal control element 306a and 306b processed, fan 304a and 304b.For example, in the first air circulator 232a and first row test cabinet 108 associations, and in the case of the second air circulator 232b is associated with secondary series test cabinet 108, can be controlled by region System 100, wherein the firstth area includes the first row test cabinet 108 associated with the first air circulator 232a, the secondth area is associated with The secondary series test cabinet 108 associated with the second air circulator 232b.According to another other implementation methods, air outlet slit 324 flow control apparatus 330 that can include active control.These air outlet slits 324 can be by controller 616 in response to being surveyed with those Try the temperature sensor 620 of the association of room 108 and respectively control, to realize and keep desired in each test cabinet 108 Temperature.Therefore, it is possible to different thermic loads and/or heat consumption that the different arrangements adapted to by the device under test in test cabinet 108 are produced.
Fig. 9 and Figure 10 show the outlet 324 of the test cabinet 108 including flow control apparatus 330, wherein the flow control apparatus 330 with grid or ventilation aperture member 904.Grid component 904 can include each fluidic or blade 908, be used to go out The air flow that mouth room 320 provides is directed to associated test cabinet 108.Especially, the implementation method shown in Fig. 9 is incorporated The blade 908 of vertical alignment, so that air is turned in the horizontal direction.Figure 10 is shown including the grid component with blade 908 904 air outlet slit 324, its Leaf 908 is horizontally arranged with the interior vertically direction controlling air flow of test cabinet 108. Each blade 908 can be adjusted to provide the air flow for being suitable to particular configuration, number and/or the arrangement of device under test, from And suitably uniform flowing and/or temperature are provided in associated test cabinet 108.The control can carry out manually or by The instruction of controller 616 is carried out.For example, blade 908 can be with the motor of the control command operation in response to being provided by controller 616 Or other control actuator associations.
According to other implementation methods, grid component 904 can include restriction plate and/or vertically, flatly, it is angled Ground or the blade 908 arranged deviously.Outside flow direction is controlled, blade 908 can be used to provide different air streams The different zones of associated test cabinet 108 are measured, and is used to control by the air stream total amount of test cabinet.
Figure 11 is Fig. 1,2,3,4A-4F, the schematic diagram of 6A, 6B and 8 product testing system 100, which show test cabinet The other details of exemplary temperature control in 108.The controller 616 for showing has memory 1102, processor 112 and time spectrum clock 1114.Memory 1102 can represent volatile memory (for example, random access memory) and nonvolatile memory (example Such as, read-only storage, FLASH memory, disc driver) in one or two.Time spectrum clock 1114 is, for example, controller 616 Timer, the controlling cycle (for example, characterizing portion) of the TEMPERATURE SPECTROSCOPY of its expression system 100 that periodically expires completed, and New controlling cycle has begun to.Controlling cycle is, for example, the time of one second.The desired spectrum 1104, day of memory storage for showing Will data 1106, the spectrum 1107 of adjustment and the software 1105 including PID 1108 and convergence algorithm 1110.Although PID 1108 It is illustrated as stored in memory 1102, but without departing from the scope of the disclosure, PID 1108 can be at least Partly controller 616 it is outside implement (for example, as hardware, field programmable gate array or other electronic components) and And controlled by controller 616.Air circulator 232 includes temperature throttling element 1116, and not necessarily fan throttling element 1118 With flow throttling element 1120.Each throttling element is the controller in air circulator 232 for corresponding physical element;Namely Say, temperature throttling element 1116 controls (one or more) thermal control element 306, the control fan 304, Yi Jiliu of fan throttling element 1118 Amount throttling element 1120 controls (one or more) changeable flow equipment 330.Therefore by every in throttling element 1116,1118 and 1120 The throttling valve of individual implementation adjusts the operation of corresponding physical element.And, although Figure 11 shows thermal control element 306 and only one Fan 304 and changeable flow equipment 330, but each of these physical elements can in air circulator 232 with Figure 11 Shown different number is present.Processor 1112 performs software 1105 to provide controller 616 function as described below.
Show to one exemplary being illustrated in Figure 19 property of desired spectrum 1104, Figure 19 is the chart of temperature versus time 1900.In chart 1900, solid line 1902 represents expectation temperature of spectrum 1104 as desired the is limited, test cabinet 108 with the time Degree, and dotted line 1904 represents the actual temperature measured in test cabinet 108.Chart 1900 describe " RUN " during preferred temperature And actual temperature, it includes that series of temperature changes, terminates at a temperature of the temperature identical for bringing into operation.Reliability testing is normal In the case of being usually included in by vibration or without vibration, product is set to be continuously subjected to multiple this " RUN ".In chart 1900 , it can be seen that in the region for being expressed as 1906, actual temperature is not matched with preferred temperature, in the regional temperature with the time Change the fast of no expectancy changes, and in the region for being expressed as 1908, before desired temperature is returned to, temperature exceedes Desired temperature change.
Convergence algorithm 1110 is, for example, the iterative processing of the data of the memory storage of usage log data 1106, daily record data 1106 The temperature value of the measurement of test cabinet 108 including being recorded in running before system 100, temperature throttling valve, fan throttling valve, And one or more in flow throttling valve, such as by the temperature error between the chamber temp to measuring and expectation spectrum PID responds to control.The spectrum 1107 of the data, desired spectrum 1104 and adjustment of the memory storage of daily record data 1106 is when being based on Between, and convergence algorithm 1110 produces adjustable spectrum 1107 with by temperature throttling valve, fan throttling valve and flow throttling valve In one or more be defined to it is time-based throttling set, for controlling thermal control element 306, fan 304 and changeable flow One or more in equipment 330 so that the actual temperature in test cabinet 108 follows desired spectrum 1104.In an embodiment party In formula, convergence algorithm 1110 is based on flow throttling valve, fan throttling valve, the temperature recorded in running before system 100 One or more of the measurement temperature value of degree throttling valve and test cabinet 108, desired spectrum 1104 is produced using linear interpolation.
In operation, convergence algorithm 1110 will expect the limiting temperature and the memory storage of daily record data 1106 in spectrum 1104 Measurement temperature compare, and based on difference therebetween adjust up or down storage throttling set.If for example, Measurement temperature of the storage of moment in daily record data 1106 is less than the limiting temperature expected in spectrum 1104, then convergence is calculated Method 1110 can limit adjustment spectrum 1107 so that with temperature throttling valve, the temperature throttling valve increases (for example, 5%) more than daily record number According to the measurement temperature of 1106 memory storages.Similarly, when temperature exceedes expects spectrum 1104, convergence algorithm 1110 can be adjusted downwards Temperature throttles (for example, 5%).Then, convergence algorithm 1110 can be performed in subsequent running, so as to further adjustment Still there is the throttling valve of error.After the operation (for example, three operations) for limiting number of times, the throttling in adjustment spectrum 1107 sets Put and be used as the basic control of one or more in thermal control element 306, fan 304 and changeable flow equipment 330, and one or Multiple PID functions can serve as being adjusted basic control, to correct any further deviation with preferred temperature.Example Such as, PID 1108 can be used for being adjusted the change of the thermal mass of any test product placed in test cabinet 108.One In individual implementation method, convergence algorithm 1110 is called to be in limit standard until the temperature-responsive for measuring, then need not be to section Flow valuve is further adjusted, and controller 616 is using the restriction throttling valve of adjustment spectrum 1107.
The output of controller 616 alternatively controls temperature throttling element 1116, the fan section of fan 304 of thermal control element 306 Flow one or more in the flow throttling element 1120 of part 1118 and changeable flow equipment 330.In one or more test cabinets 108 One or more temperature sensors 620 provide temperature feedback to controller 616, so as to allow controller 616 pairs to enter test cabinet The temperature and flow rate of 108 air 1124 are controlled.
Controller 616 can use the shared multiple test cabinets 108 of (being located between test cabinet) thermal control element 306 pairs Temperature is controlled, and as shown in the implementation method of Fig. 6 A, and/or multiple air circulators 232 can be controlled, wherein often Individual air circulator 232 includes thermal control element 306 and one or more test cabinets 108.
Figure 12-18 is the flow chart according to implementation method, it illustrates for the test in control figure 1,2,3,4,6 and 8 One illustrative methods 1200 of indoor temperature.For example, method 1200 is performed in the controller 616 of system 100, and It is called in each cycle for expecting spectrum 104.
In step 1202, method 1200 determines the spectrum temperature of each test cabinet.In one embodiment of step 1202, Controller 616 is based on expecting that the current period of spectrum 1104 determines the preferred temperature of test cabinet 108.In step 1204, method 1200 read room temperature.In one embodiment of step 1204, temperature sensor 620 is placed on specific test cabinet 108 In, and controller 616 reads the temperature of fc-specific test FC room 108 from temperature sensor 620.In another embodiment of step 1204 In, each of controller 616 from positioned at the multiple temperature sensors 620 in one or more test cabinets 108 reads temperature, And the temperature value to measuring takes average.
Step 1206 is judged.In step 1206, if method 1200 determines to have completed the operation of pre-determined number Temperature cycle more than (for example, three operations), then method 1200 continues step 1220;Otherwise, method 1200 continues step 1208。
In step 1208, the temperature throttling submethod 1300 of the calling figure 13 of method 1200.
Step 1210 is optional.If including, in step 1210, fan throttling of the calling figure 14 of method 1200 Method 1400.
Step 1212 is optional.If including step 1212, then the flow throttling side of the calling figure 15 of method 1200 Method 1500.
Step 1216 is judged.In step 1216, if method 1200 determines that current operation is operation for the first time, that Method 1200 is exited;Otherwise, method 1200 continues step 1218.In step 1218, method 1200 using convergence algorithm with It is determined that adjustment spectrum, the temperature control of adjustment spectrum raising test cabinet.In one embodiment of step 1218, controller 616 is held Row convergence algorithm 1110 expects that spectrum 1104 is processed with to daily record data 1106 is relative, so that it is determined that to temperature throttling element 1116th, the setting of one or more in fan throttling element 1118 and flow throttling element 1120 composes 1107 to form adjustment.
In step 1220, the temperature control submethod 1600 of the adjustment of the calling figure 16 of method 1200.
Step 1222 is optional.If comprising, in step 1222, the fan of the adjustment of the calling figure 17 of method 1200 Control submethod 1700.
Step 1224 is optional.If comprising, in step 1224, the flow of the adjustment of the calling figure 18 of method 1200 Control submethod 1800.Then method 1200 terminates.
Method 1200 is repeated when each run of spectrum 1104 is expected, to control the temperature in test cabinet 108.
In step 1302, in the room temperature storage that submethod 1300 will be measured in step 1204 to daily record data.In step In rapid 1302 one embodiment, the temperature storage that controller 616 will be measured from temperature sensor 620 in step 1204 to the phase Hope in the associated daily record data 1106 of the current period of spectrum 1104.In step 1304, submethod 1300 is based on step 1204 The spectrum temperature of middle determination and the temperature of measurement, calculate temperature and throttle using PID.In one embodiment of step 1304, control Device 616 is based on the temperature measured by temperature sensor 620 in the current period and step 1204 for expect spectrum 1104, uses treatment Device 1112 performs PID 1108, is throttled with the temperature for calculating thermal control element 306.
In step 1306, the temperature throttling that submethod 1300 will be calculated is stored in daily record data.In step 1306 In one embodiment, the temperature throttling valve storage that controller 616 will be calculated in step 1304 to the current week with expectation spectrum 1104 In phase relevant daily record data 1106.In step 1308, submethod 1300 sets the temperature throttling of thermal control element.In step In 1308 one embodiment, controller 616 is based on the temperature throttling valve calculated in step 1304, sets temperature throttling 1116, To control the operation of thermal control element 306.
Then submethod 1300 is returned, and continues control method 1200.
In step 1402, submethod 1400 is based on determination in spectrum temperature, the submethod 1300 determined in step 1202 The temperature that temperature throttles and measures, uses PID to calculate fan and throttles.In one embodiment of step 1402, the base of controller 616 Pass through temperature sensor in the temperature throttling valve and step 1204 that determine in current period, the submethod 1300 for expecting spectrum 1104 The temperature of 620 measurements, PID 1108 is performed using processor 1112, to calculate the fan throttling valve of fan 304.
In step 1404, the fan throttling valve that submethod 1400 will be calculated is stored in daily record data.In step 1404 One embodiment in, controller 616 will in step 1402 calculate fan throttling valve storage arrive and expect spectrum 1104 it is current In cycle relevant daily record data 1106.In step 1406, submethod 1400 sets the fan throttling of fan.In step 1406 One embodiment in, controller 616 be based on step 1402 in calculate fan throttling valve, set fan throttling 1118, with control The operation of fan processed 304.
Then submethod 1400 is returned, and continues control method 1200.
In step 1502, submethod 1500 is based on determination in spectrum temperature, the submethod 1300 determined in step 1202 The fan throttling determined in temperature throttling, submethod 1400 and the temperature of measurement, are throttled using PID calculated flow rates.In step In 1502 one embodiment, controller 616 is based on the temperature section determined in current period, the submethod 1300 for expect spectrum 1104 The temperature measured by temperature sensor 620 in the fan throttling valve and step 1204 that determine in flow valuve, submethod 1400, is made PID 1108 is performed with processor 1112, to calculate the flow throttling valve of changeable flow equipment 330.
In step 1504, in the flow throttling valve storage that submethod 1500 will be calculated to daily record data.In step 1504 One embodiment in, controller 616 will in step 1502 calculate flow throttling valve storage arrive and expect spectrum 1104 it is current In cycle relevant daily record data 1106.In step 1506, submethod 1500 sets the flow throttling of changeable flow equipment. In one embodiment of step 1506, controller 616 is based on the flow throttling valve calculated in step 1502, sets fan throttling 1118, to control the operation of changeable flow equipment 330.
Then submethod 1500 is returned, and continues control method 1200.
If including submethod 1600, then submethod 1,600 1220 the step of method 1200 call.
In step 1602, submethod 1600 is according to adjustment spectrum temperature throttling valve.In an implementation of step 1602 In example, controller 616 is according to adjustment 1107 temperature throttling valves of spectrum.In step 1604, submethod 1600 is based on daily record number According to the temperature in the temperature and test cabinet of interior record, the temperature throttling variable that temperature throttles is calculated using PID.In step 1604 In one embodiment, controller 616 be based on submethod 1300 the step of 1302 in record temperature and step 1204 in using temperature The temperature of the test cabinet 108 of the degree measurement of sensor 620, PID 1108 is performed using processor 1112, to calculate temperature throttling Variate-value.In step 1606, submethod 1600 will be throttled that variate-value is adjusted, step 1602 by the temperature of step 1604 Thermal control element is arrived in temperature throttling output.In one embodiment of step 1606, controller 616 throttles the temperature of step 1604 Variate-value increases to the temperature throttling determined in step 1602, and result output to temperature is throttled into 1116 to control thermal control unit Part 306.
Then submethod 1600 is returned, and continues control method 1200.
If including submethod 1700, then submethod 1,700 1222 the step of method 1200 call.
In step 1702, submethod 1700 determines fan throttling valve according to adjustment spectrum.In an implementation of step 1702 In example, controller 616 determines fan throttling valve according to adjustment spectrum 1107.In step 1704, submethod 1700 is based on daily record number According to the temperature in the temperature and test cabinet of interior record, the fan throttling variable that fan throttles is calculated using PID.In step 1704 In one embodiment, controller 616 be based on submethod 1300 the step of 1302 in record temperature and step 1204 in using temperature The temperature of the test cabinet 108 of the degree measurement of sensor 620, PID 1108 is performed using processor 1112, to calculate fan throttling Variate-value.In step 1706, submethod 1700 will be throttled that variate-value is adjusted, step 1702 by the temperature of step 1704 Fan is arrived in fan throttling output.In one embodiment of step 1706, controller 616 throttles variable the fan of step 1704 Value increases to the fan throttling determined in step 1702, and result output to fan is throttled into 1118 to control fan 304.
Then submethod 1700 is returned, and continues control method 1200.
If including submethod 1800, then submethod 1,800 1224 the step of method 1200 call.
In step 1802, submethod 1800 determines flow throttling valve according to adjustment spectrum.In an implementation of step 1802 In example, controller 616 determines flow throttling valve according to adjustment spectrum 1107.In step 1804, submethod 1800 is based on daily record number According to the temperature in the temperature and test cabinet of interior record, the flow throttling variable throttled using PID calculated flow rates.In step 1804 In one embodiment, controller 616 be based on submethod 1300 the step of 1302 in record temperature and step 1204 in using temperature The temperature of the test cabinet 108 that degree sensor 620 is currently measured, PID 1108 is performed using processor 1112, with calculated flow rate Throttling variate-value.In step 1806, submethod 1800 is by by the throttling variate-value adjustment of the flow of step 1804, step Changeable flow equipment is arrived in 1802 flow throttling output.In one embodiment of step 1806, controller 616 is by step 1804 Flow throttling variate-value increase to the flow throttling determined in step 1802, and by result output to flow throttling 1120 with Control fan changeable flow equipment 330.
Then submethod 1800 is returned, and continues control method 1200.
Figure 20 is temperature-time diagram, wherein, test cabinet in Fig. 1,2,3,4,6 and 8 shown in the representative graph 19 of solid line 1902 Preferred temperature, dotted line 2004 represents the desired temperature of the test cabinets 108 using the control of adjustment spectrum 1107 in Figure 11.Such as chart Shown in 2000, using minimum undershoot 2006 and the overshoot for reducing, the temperature of test cabinet 108 closely follows line 1902 signified The preferred temperature of the TEMPERATURE SPECTROSCOPY shown.
Although specific example has been shown and described the test system 100 including rack 104, the away has Six test cabinets 108 arranged in the way of each column three totally two row, but embodiments described herein is not limited to the construction. Generally, embodiments described herein can be applied to be integrated with any test system 100 of multiple test cabinets 108.In addition, though The only rack 104 with access door 204 is shown, but some implementation methods can be as needed or right with being configured to allow for Used or using the door for conveniently entering test cabinet 108 in specific.According to the implementation method using shared control unit 616, control Device processed 616 can be operated by performing the single copy or example of control algolithm.Therefore, test cabinet 108 can be provided Shaking platform 212 in the air of thermal control, and each test cabinet 108 can using single controller 616 and control algolithm with Similar mode is operated.With reference to any one in such implementation method, with test cabinet 108 or with air circulator 232 in The temperature sensor 620 of any other partial association provide temperature information to controller 616.With any one in platform 212 The single accelerometer 640 of association can be used to provide acceleration information for controller 616.According to such implementation method, have Profit, test cabinet 108, shaking platform component 208 and attached device under test are constructed in the same manner.Although provided herein Various examples discuss the use of pneumatic actuator 520, it is also possible to use other types of actuator.
The combination of feature
Embodiments described herein can in the following manner in any-mode be combined, and in those skilled in the art Read and understand after the disclosure, other embodiment will be apparent.
A. product testing system can include multiple shaking platforms, the controllable product being installed on vibration on the shaking platform Product;And air circulator, control the air themperature of the product surrounding air.
B. the system more than as indicated by A can include system controller, control the air themperature and be applied to described The vibration of shaking platform.
C. the system more than as indicated by A or B can include system controller, and the system controller has control described The vibrating controller of vibration.
D. the system more than as indicated by A, B or C can include vibrating controller, and vibrating controller is operable with respectively One or many in the vibration of all shaking platforms in control (a) multiple shaking platform or control (b) multiple shaking platform The vibration of individual subset.
E. the system more than as indicated by A to D can include temperature controller, control the air circulator to adjust State air themperature.
F. the system more than as indicated by A to E can include air circulator, and the air circulator has at least one Thermal control element, pipeline and at least one fan, at least one thermal control element, the pipeline and at least one fan collaboration work Make to adjust the air themperature.This thermal control element can be one of heating element heater and cooling element.
G. the system more than as indicated by A to F can be included as the stratie of thermal control element.
H. the system more than as indicated by A to G can include air circulator, and air circulator is configured as using low temperature Liquid cools down the product.In such systems, air circulator can be configured to (a) and use air at room temperature insufflation Chamber corresponding to the product, then (b) is Celsius from least higher than room temperature 20 by the product using the cryogenic liquid The temperature of degree is cooled down.
I. system as indicated by A to H more than can include one or more in multiple shaking platforms, and it can be from being Removable for the installation of the product in system.
J. the system more than indicated by A to I can include the rack of shaking platform as described in receiving, in the shaking platform One or more can slide in or out the rack, in order to the installation of the product.In such systems, shaking platform The rack can be slid in or out by sliding part, linear bearing, roller bearing or wheel.
K. the system more than as indicated by A to J can include installed part, by each in the shaking platform securely It is attached in the system.
L. system as indicated by A to K more than can include fixing device, operable with described in the product is attached to Shaking platform.Fixing device can include one or more elements in elements below:It is configured as the shape with the product The hand welding matched with size, magnetic forceps, vacuum forcepses, bolt, door bolt, hinge, button, magnet, electromagnet, electric actuator, spring, Equipment equipped with spring, and positioning link stopper.
M. the system more than as indicated by A to L can include multiple chambers, and each in the multiple chamber surrounds institute One of shaking platform is stated, and is applied with generation to the controllable actuator of the vibration of the product.In such systems, (i) At least two chambers in multiple chambers can have different size or shape;(ii) at least one of multiple shaking platforms shake Moving platform can be along the wall of its chamber or top configuration;(iii) air circulator can include the airflow vane that can be controlled, institute State airflow vane and can operate the flow rate with optionally convection current by the air of at least one of the multiple chamber chamber With flow direction one of or all be adjusted;And (iv) multiple at least one of chambers chamber can be arranged in another chamber Above so as to form row.
N. the system more than as indicated by A to M can include air circulator, and air circulator is configured to be multiple chambers Each in room individually controls the air themperature.In such systems, at least two chambers in (i) multiple chamber can have There are different size or shape;(ii) air circulator can include the airflow vane that can be controlled, and the airflow vane can be grasped Make with selectively convection current by one of the flow rate of the air of at least one of the multiple chamber chamber and flow direction or whole It is adjusted;And (iii) multiple at least one of chambers chamber can be arranged in above another chamber so as to form row.
O. the system more than indicated by A to N can include accommodating the rack of chamber as described in multiple, and the rack can be wrapped Include at least one access door of the chamber for forming row.In such systems, (i) access door can form multiple access doors, One or more chambers and Interior Space in wherein closing each access door in the multiple access door and making the multiple chamber Air bound is from and opening at least one access door and will not change the isolation of the chamber corresponding with least one other access door; (ii) one or more height in the rack in the chamber can be adjusted vertically;(iii) row can be from The rack is removed, and the system can also include product shelf, for being placed on row institute in the rack, removed Position;So as to product is placed under controlled air themperature on the product shelf in the rack;(iv) For each in the multiple chamber, the system can also include non-threaded side plate, for make oscillation actuator with it is each Self-vibration moving platform is separated in the environment, and the actuator can include pneumatic actuator, and the side plate and respective chamber can To form labyrinth sealing;(vi) air circulator can interlock plenum chamber including air-flow, so that every in for the row Individual chamber provides uniform flowing, and the plenum chamber shapes at the rear wall of the rack;And/or (vii) described system can be with Including controller, the vibratory output for controlling air themperature and each shaking platform for chamber, in the multiple chamber Each chamber can include (a) at least one thermocouple, providing temperature survey to the controller feeds back, and (b) is at least One accelerometer, provides accelerator feedback, so as to be easy to the active feedback control of temperature and vibratory output respectively to the controller System.
P. the system more than indicated by A to O can include accommodating the rack of chamber as described in multiple, and the rack can be wrapped At least one access door of the chamber for forming row is included, and the air circulator can interlock plenum chamber including air-flow, So as to provide uniform flowing for each chamber in the row.In such systems, the vibration of the platform in the row can be with To organize as unit is controlled, and/or the air-flow interlock plenum chamber can be by each chamber in air outlet slit and the row Room be connected, the area of the farther air outlet slit of the fan of air actuator described in its middle-range less than away from the fan closer to air The area of outlet.
Q. the system more than indicated by A to P can include accommodating the rack of chamber as described in multiple, and the rack can be wrapped At least one access door of the chamber for forming row is included, and the air circulator can interlock plenum chamber including air-flow, So as to provide uniform flowing for each chamber in the row.In such systems, in the multiple chamber one or many Individual chamber can include at least one thermocouple, and providing temperature survey to the controller feeds back;And at least one acceleration Meter, accelerator feedback is provided to the controller, so that it is easy to the active feedback of temperature and vibratory output to control respectively, and (i) At least one accelerometer can be or including three axis accelerometer that the three axis accelerometer can be operable to it Shaking platform provides three-dimensional vibrating feedback;(ii) at least one accelerometer can be the first linear accelerometer, and Perpendicular to the second linear accelerometer of first linear accelerometer, second linear acceleration is calculated as its shaking platform Twin shaft feedback is provided.
R. the system more than as indicated by A to Q can be arranged such that the temperature of each chamber and vibration can be by nets Network is controlled.
S. the system more than as indicated by A to R can include:Shaking platform, shaking platform includes framework, framework and vibration Actuator is connected;And fixing device pallet, it is connected with the product, the framework and the fixing device pallet are configured to A () is securely attached together in the system, or (b) is separated with the system so that the fixing device pallet energy It is enough to be removed from the system.In such systems, (i) framework can include discharging the air around the product and actuator The sealing plate of isolation;(ii) be not sealing framework, but the fixing device pallet is sealing so that fixed filled described Tray is attached to the air insulated actuator waste gas that the framework makes around the product;Or (iii) the multiple vibration Each shaking platform in platform can include two-layer;Ground floor in two-layer forms the framework being connected with oscillation actuator, two The second layer in layer forms fixing device pallet, for product to be arranged on into the fixing device pallet, and the system Also include rack and multiple chambers, each chamber includes the second layer so that (a) when the system each shaking platform two When layer is securely attached together, the chamber is separated on the rack internal environment, or (b) respectively shaking when the system During the two separate of moving platform, the chamber can be removed from the rack.
T. the system more than as indicated by A to S can include at least one of the multiple shaking platform shaking platform, It can vertically and selectively may move, in order to place the product at least one shaking platform.
U. the system more than as indicated by A to T can include rack and multiple chambers, each chamber in the multiple chamber Room surrounds one of described shaking platform and with the actuator for causing Platform Vibration of independent control, the air circulator Each chamber being configured such that in the multiple chamber can individually control air themperature, and each chamber is in the rack Height can be adjusted.In such systems, two or more chambers in the multiple chamber are networked shaken for shared together The operation of dynamic and air themperature.
V. the system more than as indicated by A to U can include electric actuation fixing device, the electric actuation fixing device Can operate to make product be attached to each platform automatically at least in part.
W. the system more than as indicated by A to V can include at least one shaking platform, at least one shaking platform Including one or more vacuum, pneumatic, electromagnetism and/or electro-motor actuating equipment, one or more of vacuum, it is pneumatic, Electromagnetism and/or the equipment of electro-motor actuating can control that product alternatively is attached into the vacuum platform or by product From shaking platform release.
X. the system more than indicated by A to W can include the rack of chamber as described in receiving, and the rack includes being used for institute State at least one access door of row.
Y. the system more than as indicated by A to X can be with test product, and the product includes thering is fixing device or without solid Determine the electronic product of device.
Z. the system more than as indicated by A to Y can include at least one of the multiple shaking platform shaking platform, It is bent, shapes or aggravates, to change shaking at least one shaking platform on the region of the platform on startup Dynamic frequency is responded.
AA. the system more than as indicated by A to Z can include multiple tangential fans, every in the multiple tangential fan Individual fan provides air-flow to the product in chamber, and the chamber is arranged to vertical row.In such systems, the tangential fan Can be configured along the common drive axis by engine and/or with driving.
AB. the system more than as indicated by A to AA can include cfentrifugal blower.
AC. vibratory tray can include:Desktop;And fixing device, for product to be connected into the desktop, wherein, The desktop can selectively be fixed to the supporting structure in product testing system, and be used as the product test on startup Shaking platform in system, and the desktop can selectively from the supporting structure remove, in order to make product with it is described Desktop is connected or separated.
AD. product test controller can include the dress being controlled to the vibration for sharing the multiple shaking platforms in rack Put;And the device that the air themperature of the product to being installed on the shaking platform is controlled.
AE. the system more than as indicated by AD can include the device of control air themperature, be formed to driving the rack The device that the air circulator of interior air-flow is controlled.
AF. system as indicated by AD or AE more than can include the device of control vibration, its utilize from next or The accelerator feedback of two controls the vibration:At least one of (a) the multiple shaking platform shaking platform;And B () is attached to the product of at least one of the multiple shaking platform shaking platform.
AG. system as indicated by AD, AE or AF more than can include the device of control air themperature, and its utilization is from following One or two temperature feedback controls the air themperature:(a) air temperature sensor, and (b) product temperature sensor.
AH. the vibration chamber that can environmentally seal can include shaking platform, and product is attached to the shaking platform;With And one or more oscillation actuators, vibrate the shaking platform in response to drive signal.The vibration chamber can be selected Be fixed in product testing system, the product testing system provides the drive signal and the sky for controlling in the chamber Temperature degree, and the chamber can remove selectively from the system, in order to making product be connected with the shaking platform or Separate.
AI. test system can include test cabinet;It is arranged in the multiple test cabinets in the test cabinet;Air circulator, Including:Each test cabinet in air intake, multiple air outlet slits, wherein at least one air outlet slit and the multiple test cabinet Association, inlet plenum, fan, wherein the fan supplies air, downstream chamber, wherein the fan supplies air from the inlet plenum Downstream chamber should be arrived;And multiple shaking platforms, wherein each test cabinet in the multiple test cabinet includes at least one vibration Platform.
AJ. test system as indicated by AI more than can include shaking platform cover, wherein at least one shaking platform and Shaking platform cover is associated;And/or multiple shaking platform actuators, wherein each shaking platform in the multiple shaking platform with Shaking platform actuator is associated, and the shaking platform cover of at least one shaking platform is surrounded for the shaking platform Shaking platform actuator and limit the volume that is separated with the air circulator.
AK. the test system more than as indicated by AI or AJ can include being arranged in another shaking platform top with (i), And (ii) includes at least one shaking platform cover that foreboard is associated with the shaking platform of base plate.
AL. test system as indicated by AI, AJ or AK more than whole can shake including what is associated with shaking platform cover Moving platform, wherein include foreboard at least one shaking platform cover that the bottom of a row shaking platform associates with shaking platform, and And at least one shaking platform cover being associated with the shaking platform being arranged in above another shaking platform includes foreboard and bottom Plate.
AM. the test system more than as indicated by AI to AL can include at least one changed course device, and wherein at least one changes It is arranged in the downstream chamber to device, and at least one changed course device forms the constriction zone in the downstream chamber.At this In the system of kind, the changed course device can be in the upstream or downstream of any air outlet slit.
AN. the test system more than as indicated by AI to AM can include at least one flow control apparatus.Described at least one Flow control apparatus can include any changed course device, damper, valve, grid, passage, outlet and active flow control.
AO. the test system more than as indicated by AI to AN can be included as the tangential fan of fan.
AP. the test system more than as indicated by AI to AN can include the thermal control element being arranged in the inlet plenum.
AQ. multicell test system can include rack;At least one;Multiple test cabinets, wherein each described test cabinet It is arranged in the rack;Multiple shaking platforms, wherein each test cabinet include at least one shaking platform, and by least One door enters each shaking platform;And air circulator, including at least one entrance, downstream chamber, it is arranged in the air At least one changed course device and multiple air outlet slit in downstream chamber, wherein each test cabinet in the multiple test cabinet with extremely Few air outlet slit association.
AR. the test system more than as indicated by AQ can include multiple test cabinets, the multiple test cabinet arrangement shaping Into an at least row test cabinet, wherein shaking platform cover is associated with each test cabinet above any other test cabinets.
AS. the test system more than as indicated by AQ and AR can include at least one shaking platform cover, wherein described many At least one of individual test cabinet test cabinet is associated with shaking platform cover.
AT. the system being controlled to the temperature of the product in test cabinet can include thermal control element, for heating or cold But air;Fan, for making air movement pass through the thermal control element and entering the test cabinet;Temperature sensor, is located at In the test cabinet;Memory, composes with preferred temperature therein is stored in;And controller, it is connected to the temperature control element With the temperature sensor.The controller can use the actual temperature of test cabinet described in the temperature sensor measurement;Base In preferred temperature spectrum and the actual temperature, use ratio integral differential (PID) function carrys out temperature throttling valve;And The temperature throttling of the thermal control element is set to the temperature throttling valve.
AU. the system more than as indicated by AT can include controller, and the controller performs convergence algorithm to determine Temperature throttling valve is stated, the temperature throttling valve of the convergence algorithm pair before storage of operation relative with preferred temperature spectrum enters Row treatment.
The measurement temperature value of the storage that the system more than AV. indicated by AT or AU can before be run based on as described in and institute The difference between actual temperature is stated, the temperature throttling is further adjusted using PID functions.
AW. the system more than as indicated by AT, AU or AV can also include fan throttling element, for controlling the fan Speed and the air-flow into the chamber, and controller can be based on the measurement temperature value of the storage of operation and the institute before The difference between actual temperature is stated, the fan throttling element is set using PID functions.
AX. the system more than as indicated by AT to AW can also include changeable flow equipment, for limiting into the chamber The air-flow of room;And flow throttling element, for controlling the changeable flow equipment.Controller can be based on the operation before Difference between the measurement temperature value and the actual temperature of storage, the flow throttling element is set using PID functions.
AY. the system that the temperature of the product in the test in test cabinet is controlled can be included:Thermal control element, uses In air is heated or cooled;Fan, for making air movement pass through the thermal control element and entering the test cabinet;Temperature is passed Sensor, in the test cabinet;Memory, composes with preferred temperature therein is stored in;And controller, it is connected to described Temperature control element and the temperature sensor.The controller can include memory and processor, and software, and the software is worked as Following steps are performed during by the computing device:The temperature of the test cabinet is determined using the temperature sensor;Based on institute Preferred temperature spectrum and the actual temperature are stated, use ratio integral differential (PID) function carrys out temperature throttling valve;And by institute The temperature throttling for stating thermal control element is set to the temperature throttling valve.
AZ. the system more than as indicated by AY can store convergence algorithm in the memory, and the convergence algorithm is worked as During by the computing device, the treatment before temperature throttling valve of the storage of operation relative with preferred temperature spectrum is performed Step is determining the temperature throttling valve of the adjustment for controlling the thermal control element.
BA. the system more than as indicated by AY or AZ can store PID functions, the PID functions in the memory When by the computing device, measurement temperature value and the measurement temperature of the test cabinet based on the storage of operation before Between difference, further adjust the temperature throttling valve.
BB. the system more than as indicated by AY, AZ or BA can include fan throttling element, the speed for controlling the fan Degree and the air-flow into the chamber.The memory can also store PID functions, and the PID functions are when by the processor During execution, the difference between the measurement temperature value of storage and the measurement temperature of the test cabinet based on the operation before, if Put the fan throttling element.
BC. the system more than as indicated by AY to BB can include changeable flow equipment, for limiting into the chamber Air-flow;And flow throttling element, for controlling the changeable flow equipment.The memory can also store PID functions, institute PID functions are stated when by the computing device, measurement temperature value and the test cabinet based on the storage of operation before described Measurement temperature between difference, the flow throttling element is set.
BD. for controlling to include that it is true that the method for the temperature of the air in the test cabinet of multiple test fixing devices can include Surely the step of being used for the spectrum temperature of test cabinet and read the temperature of test cabinet.If the number of the operation of TEMPERATURE SPECTROSCOPY is less than predetermined number Mesh, methods described stores room temperature in the memory, micro- based on the spectrum temperature and room temperature use ratio integration Divide (PID) function to carry out temperature throttling valve, the temperature is throttled into storage in memory and just described thermal control element Temperature throttling element be set to the temperature throttling valve.If the number of the operation of the TEMPERATURE SPECTROSCOPY is equal with predetermined number, So methods described determines adjustment spectrum using convergence algorithm, if the number of the operation of the TEMPERATURE SPECTROSCOPY is more than the predetermined number Mesh, methods described uses PID function meters according to adjustment spectrum temperature throttling valve, the temperature based on the storage in the memory Calculate temperature throttling variable quantity and the thermal control element is set based on the temperature throttling valve and temperature throttling variable quantity Temperature throttling element.
BE. in the method more than as indicated by BD, the adjustment spectrum can include time-based temperature throttling valve.
BF. software product can include:Instruction, stores on non-transitory computer-readable medium, wherein the instruction The step of performing the temperature for controlling to include the air in the test cabinet of multiple test fixing devices when executed by a computer. The instruction can include the spectrum temperature for determining the test cabinet, read the temperature of the test cabinet, determine the TEMPERATURE SPECTROSCOPY Operation number whether less than predetermined number the step of.The instruction may comprise steps of:A () deposits in memory Store up the temperature;B () is based on spectrum temperature and the temperature, use ratio integral differential (PID) function carrys out temperature section Flow valuve;C () stores the temperature throttling in the memory;And the temperature throttling element of thermal control element is set to institute by (d) Temperature throttling valve is stated, when the number of the operation of the TEMPERATURE SPECTROSCOPY is less than the predetermined number, step (a) to step (d) is held OK.The instruction can include being used to be calculated using convergence when the number of the operation of the TEMPERATURE SPECTROSCOPY is equal with the predetermined number Method come determine adjustment spectrum instruction.The instruction can be included for (e) according to the adjustment spectrum temperature throttling valve, (f) Based on the temperature and the temperature that are stored in the memory, temperature throttling variable quantity and (g) base are calculated using PID functions In the temperature throttling valve and temperature throttling variable quantity, the instruction of the temperature throttling of the thermal control element is set, when When the number of the operation of the TEMPERATURE SPECTROSCOPY is more than the predetermined number, step (e) to (g) is performed.
BG. software product can include:Instruction, stores on non-transitory computer-readable medium, wherein the instruction Perform when executed by a computer for being composed based on preferred temperature, there is temperature throttling element, thermal control element and temperature to pass for control The step of temperature of the product to be measured in the test cabinet of sensor.The instruction can be included for true using the temperature sensor The instruction of the step of temperature of the fixed test cabinet;Expect spectrum and the temperature, use ratio integral differential (PID) based on described Function carrys out temperature throttling valve;And the temperature throttling valve based on the determination sets the temperature section of the thermal control element Stream part.
BH. the software product more than as indicated by BG can include:Instruction, performs treatment and expects temperature with described for (a) Temperature throttling valve of the step of degree composes the relative temperature throttling valve of the storage of operation before to determine to adjust, before (b) is based on The measurement temperature value of the storage of operation and the difference of the temperature, adjust the improved temperature throttling valve, and (c) is transported before being based on The measurement temperature value of capable storage and the difference of the temperature, set fan throttling to control to circulate the air in the test cabinet Fan speed;And/or instruction, for the difference of the measurement temperature value based on the storage for running before and the temperature, if The flow for putting the variable flow control device of the flowing of the air in the limitation test cabinet throttles.
BI. the method for being used to test multiple products can include:At least is vibrated on the first shaking platform in rack One product, while vibrating at least the second product on the second shaking platform in the rack, and controls around described simultaneously The air themperature of the air of the first product and second product.
BJ. can include in the method more than as indicated by BJ, the step of vibration:Described is controlled using controller One shaking platform and second shaking platform, and at least one accelerometer provides accelerator feedback to the controller, And/or the step of control can include:The temperature, and at least one thermocouple are controlled using the controller to described Controller provides temperature survey feedback.
BK. in the method more than as indicated by BI or BJ, can control air circulator be included to control the step of control The air themperature is made, wherein the air circulator includes at least one thermal control element, pipeline and at least one fan, it is described At least one thermal control element, the pipeline and at least one fan cooperate to adjust the air themperature.
BL. can include by using Low Temperature Liquid more than as in the method indicated by BI, BJ or BK, the step of control One of coil of body, compressed gas, evaporation plate and mechanical refrigeration unit is cooled down around described as the thermal control element The air of one product and second product.The step of cooling, can include will be around first product and second product Air from more than room temperature at least 20 degrees Celsius of High-temperature cooling, and be additionally included in using before the thermal control element, utilize The space that air at room temperature is rinsed around first product and second product.
BM. the method more than as indicated by BI to BL can be included first product and second product at least One shaking platform for being carried on its respective first shaking platform or the second shaking platform and being loaded is by from institute State rack removal.
BN. the method more than as indicated by BI to BM can make using one of sliding part, linear bearing, roller bearing or wheel The shaking platform being loaded slides in or out the rack.Sliding the shaking platform can include making the shaking platform The rack is slipped into, and also the shaking platform being loaded, and (b) can be rigidly mounted in the rack including (a) Remove and be used for making the shaking platform slip into one of the sliding part, linear bearing, roller bearing or wheel of the rack.
BO. be able to will be shaken using fixing device in the method more than as indicated by BI to BN, the step of vibration It is dynamic to be sent to first product and second product from first shaking platform and second shaking platform.Fixed dress Put one or more elements that can include in elements below:Hand welding, magnetic forceps, pneumatic tongs, vacuum forcepses, bolt, door bolt, hinge Chain, button, magnet, electromagnet, electric actuator, spring, the equipment equipped with spring, and positioning link stopper.Methods described can be with Using with pneumatic tongs, the fixing device of one of vacuum forcepses, electromagnet and electric actuator makes described at least in part One of first product and second product are attached automatically with its respective shaking platform.
BP. can include in the method more than as indicated by BI to BO, the step of vibration:A () is when the shaking platform Each be located at when in the respective first chamber of the rack and second chamber, using first shaking platform and described the Each of two shaking platforms, and (b) is using each the controllable actuating for coupling with first platform and second platform Device produces the vibration of the product and the platform.The step of control, can include:(c) individually for the first chamber and Each of the second chamber controls the air themperature, and (d) control airflow vane to select using air circulator Property ground convection current be adjusted by one of flow rate of at least one of the multiple chamber air and flow direction or whole.Vibration The step of can be using at least one and (e) described first of first shaking platform and second shaking platform Described at least one wall or top installation along its respective chamber of shaking platform and second shaking platform, or (f) institute State the first shaking platform and second shaking platform described at least one non-horizontally configures in the rack.Vibration Step can include each position of at least one and the platform of first shaking platform and second shaking platform In in respective first chamber and second chamber, the first chamber and the second chamber formed in the rack row so as to Access door can operate the path for leading to first shaking platform and second shaking platform to provide.
BQ. in the method more than as indicated by BI to BP, the step of vibration at least one can be using at least One actuator, at least one actuator is configured to influence its respective shaking platform from side.Also, the step of vibration At least one can be using the pneumatic actuator of production waste gas, using non-threaded side plate with by institute the step of control State waste gas to be separated with the air around corresponding product, the non-threaded side plate is formed with the chamber of corresponding shaking platform Labyrinth sealing.
BR. can include in the method more than as indicated by BI to BQ, the step of control:A () is interlocked using air-flow and sent Air chamber uniform flowing for the chamber around each of first shaking platform and second shaking platform is provided, it is described The air-flow plenum chamber that interlocks is formed at the rear wall of the rack, and (b) is interlocked plenum chamber the air-flow by air outlet slit It is connected to each of the chamber, and area away from the farther air outlet slit of the fan for providing air is less than away from the fan more The area of near air outlet slit.
BS. in the method more than as indicated by BI to BR, the step that network can be used to the step of control is vibrated and control Suddenly.
BT. in the method more than as indicated by BI to BS, the step of vibration at least one can include sealing Fixing device pallet is fixed to the framework for vibrating the fixing device pallet and the product, so that the fixing device support Disk isolates the air around the product with actuator waste gas.
BU. in the method more than as indicated by BI to BT, can be flat using the described first vibration the step of vibration Each of each and the platform of platform and second shaking platform are located at the respective first chamber and the of the rack In two chambers, the height of at least one of the first chamber and the second chamber in the rack can be adjusted, and And wherein control includes and controls in the second chamber around control first chamber of the air independence of second product Around the air of first product in room.
BV. in the method more than as indicated by BI to BU, the step of vibration at least one can be using curved Song, the platform for shaping or aggravating are as first shaking platform or second shaking platform to change it when activated frequently Rate is responded.
BW. can be cut using tangential fan, multiple in the method more than as indicated by BI to BW, the step of control To fan, and the circulation of one of cfentrifugal blower is around first product and the air of second product.
It has been that diagram and descriptive purpose give the discussed above of the application.This explanation is not intended the application office It is limited to form disclosed herein.Accordingly for the change suitable with above-mentioned teaching in the technology or ken of the application Shape and modification are within the purview of the appended claims.The implementation method being described above is it is further contemplated that what explanation was currently known Implement the preferred plan of the application, and enable those skilled in the art with these or with other implementation methods and lead to Various modifications required for cross required for application-specific or the application or to utilize the application.Appended claims are anticipated Figure is interpreted as including the alternate embodiments that prior art is allowed.

Claims (52)

1. a kind of product testing system, including:
Multiple shaking platforms, the controllable product being installed on vibration on the shaking platform;
Multiple chambers, each in the multiple chamber is surrounded one of described shaking platform and is applied to described with producing At least one of the controllable actuator of the vibration of product, the multiple chamber chamber is arranged in the upper of another chamber in rack Face, so as to form column of cavities;And
Air circulator, controls the air themperature of the product surrounding air, wherein the air circulator be common to it is described many Individual chamber.
2. system according to claim 1, also includes:
System controller, controls the air themperature and is applied to the vibration of the shaking platform.
3. system according to claim 2, the system controller includes:
Vibrating controller, controls the vibration.
4. system according to claim 3, the vibrating controller is operable respectively controlling:A) multiple shaking platforms In each shaking platform vibration or control;B) one or more shaking platform subsets in multiple shaking platforms are shaken It is dynamic.
5. system according to claim 2, the system controller includes:
Temperature controller, controls the air circulator to adjust the air themperature.
6. system according to claim 1, the air circulator has at least one thermal control element, pipeline and at least Individual fan, at least one thermal control element, the pipeline and at least one fan cooperate to adjust the air Temperature.
7. system according to claim 6, the thermal control element includes in heating element heater and cooling element.
8. system according to claim 6, the thermal control element includes stratie.
9. system according to claim 1, the air circulator is configured as using cryogenic liquid and compressed gas At least one cool down the product.
10. system according to claim 9, the air circulator is configured to using described in air at room temperature insufflation Chamber corresponding to product, and then using at least one of the cryogenic liquid and compressed gas by the product from than room The temperature of at least 20 degrees Celsius high of temperature is cooled down.
11. systems according to claim 1, one or more in the multiple shaking platform can be removed from system In order to the installation of the product.
12. systems according to claim 1, also include:
The rack of the shaking platform is accommodated, one or more in the shaking platform can slide in or out the rack, In order to the installation of the product.
13. systems according to claim 12, the shaking platform by slide plate, linear bearing, roller bearing or wheel slip into or Skid off the rack.
14. systems according to claim 13, when the shaking platform is loaded into the system, the slide plate, straight line Bearing or roller bearing can be removed from the system.
15. systems according to claim 12, also include:
Installed part, each in the shaking platform is fixedly secured in the system.
16. systems according to claim 1, also include:
Fixing device, it is operable to be attached to the shaking platform with by the product.
17. systems according to claim 16, the fixing device includes one or more elements in elements below:Quilt It is configured to matched with the shape and size of the product, hand welding, magnetic forceps, vacuum forcepses, bolt, door bolt, hinge, button, electromagnetism Iron, electric actuator, spring equipment, and positioning link stopper.
18. systems according to claim 1, the air circulator be configured to for the multiple chamber in it is each It is individual, individually control the air themperature.
19. systems according to claim 1, at least two chambers in the multiple chamber have different size or shape Shape.
At least one of 20. systems according to claim 1, the multiple shaking platform shaking platform along its each The wall of chamber or top configuration.
21. systems according to claim 1, the air circulator includes the airflow vane that can be controlled, the air-flow Blade can be operated with selectively convection current by the flow rate of the air of at least one of the multiple chamber chamber and flow to it One be adjusted or flow rate and flow direction be all adjusted.
22. systems according to claim 1, the rack includes at least one access door for the row.
23. systems according to claim 22, the access door includes multiple access doors, wherein closing the multiple access Each access door in door makes one or more chambers in the multiple chamber isolate with room air, and opens at least one Individual access door will not change the isolation of the chamber corresponding with least one other access door.
24. systems according to claim 22, height of one or more chambers in the rack can be adjusted vertically It is whole.
25. systems according to claim 22, the row can be removed from the rack, and the system also includes producing Product frame, for being placed on position in the rack, that row are removed;So as to product can be put under controlled air themperature Put on the product shelf in the rack.
26. systems according to claim 22, for each in the multiple chamber, the system also includes multiple Actuator, at least one actuator is configured to from side collision its respective shaking platform with needed for reducing the actuator Vertical cabinet space, for adjacent chamber leaves greater room in the rack.
27. systems according to claim 22, for each in the multiple chamber, the system also includes without spiral shell Line side plate, for making oscillation actuator be separated in the environment with respective shaking platform.
28. systems according to claim 27, the oscillation actuator includes pneumatic actuator, wherein the side plate and each Labyrinth sealing is formed from chamber.
29. systems according to claim 22, the air circulator interlocks plenum chamber including air-flow, so as to be the row In each chamber provide the uniform flowing from the air circulator, the plenum chamber at the rear wall of the rack into Shape.
30. systems according to claim 29, the vibration of the platform in the row can be controlled as group.
31. systems according to claim 29, the air-flow interlocks plenum chamber by every in air outlet slit and the row Individual chamber is connected, and the farther air outlet slit of fan away from the air actuator area more than away from the fan closer to The area of air intake.
32. systems according to claim 22, also including controller, for controlling air themperature and every for chamber The vibratory output of individual shaking platform, each chamber in the multiple chamber includes:
Q () at least one thermocouple, provides temperature survey and feeds back to the controller, and
B () at least one accelerometer, accelerator feedback is provided to the controller,
So as to be easy to the active feedback of the air themperature and the vibratory output to control respectively.
33. systems according to claim 32, at least one accelerometer includes three axis accelerometer, three axle Accelerometer can be operable to its shaking platform and provide three-dimensional vibrating feedback.
34. systems according to claim 32, at least one accelerometer is the first linear accelerometer, Er Qiesuo System is stated also including the second linear accelerometer perpendicular to first linear accelerometer, second linear accelerometer For its shaking platform provides twin shaft feedback.
The temperature of at least one of 35. systems according to claim 1, the multiple chamber chamber and vibration can lead to Cross network control.
36. systems according to claim 1, each shaking platform in the multiple shaking platform includes:
Framework, is connected with oscillation actuator, and
Fixing device pallet, is connected with the product, and the framework and the fixing device pallet are configured to alternately (a) and exist It is securely attached together in the system and separated with (b) so that the fixing device pallet can be removed from the system.
37. systems according to claim 36, the framework includes sealing plate, and the sealing plate is by around the product Air is isolated with actuator waste gas.
38. systems according to claim 36, the framework is not sealing, and the fixing device pallet is sealing, The air around the product is set to isolate with actuator waste gas so that the fixing device pallet is attached into the framework.
39. systems according to claim 36, each shaking platform in the multiple shaking platform includes two-layer;
Ground floor in two-layer includes the framework being connected with the oscillation actuator, and
The second layer in two-layer includes fixing device pallet,
The system also includes rack and multiple chambers, and each chamber includes the second layer so that
(a) when the two-layer of each shaking platform of the system is securely attached together, the chamber in the rack Environmentally separate, and alternatively,
B (), when the two separate of each shaking platform of the system, the chamber can be removed from the rack.
At least one of 40. systems according to claim 1, the multiple shaking platform shaking platform can be vertically And selectively move, in order to place the product at least one shaking platform.
At least one of 41. systems according to claim 1, the multiple shaking platform shaking platform is in the system Inside non-horizontally configure.
42. systems according to claim 1, also including rack and multiple chambers, each chamber in the multiple chamber Surround one of described shaking platform and with the actuator for causing Platform Vibration that can individually control, the air circulator Each chamber being configured such that in the multiple chamber can individually control air themperature, and each chamber is in the rack Height can be adjusted.
43. systems according to claim 42, at least two chambers in the multiple chamber form network together, with altogether Operated with vibration and air themperature.
44. systems according to claim 1, also including electric actuation fixing device, the electric actuation fixing device energy It is enough to operate to make product be attached to each platform automatically at least in part.
45. systems according to claim 1, at least one shaking platform include one or more vacuum, pneumatic, electromagnetism, Or the equipment that the equipment that electro-motor is activated, one or more of vacuum, pneumatic, electromagnetism, or electro-motor are activated can be controlled Make that product alternatively is attached into the vacuum platform and the product is discharged from the shaking platform.
46. systems according to claim 1, the product includes that the electronics with fixing device or without fixing device is produced Product.
At least one of 47. systems according to claim 1, the multiple shaking platform shaking platform is formed or adds Weight, to change at least one shaking platform in the multiple shaking platform on the region of the platform on startup Frequency response.
48. systems according to claim 1, the air circulator includes multiple tangential fans, the multiple Tangential Wind Each fan in fan provides air-flow to the product in chamber, and the chamber is arranged to vertical row.
49. systems according to claim 48, the tangential fan is along the common drive by engine and/or with driving Axis is configured.
50. systems according to claim 1, the air circulator includes cfentrifugal blower.
51. systems according to claim 16, the fixing device includes magnet or spring.
At least one of 52. systems according to claim 1, the multiple shaking platform shaking platform is bent, with Change the frequency of at least one shaking platform in the multiple shaking platform on the region of the platform on startup Response.
CN201180057611.4A 2010-10-01 2011-09-30 Product testing system Active CN103228369B (en)

Applications Claiming Priority (7)

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US89624510A 2010-10-01 2010-10-01
US12/896,254 2010-10-01
US12/896,254 US8485039B2 (en) 2010-10-01 2010-10-01 Method and apparatus for thermal control of a multiple chamber test system
US12/896,245 2010-10-01
US13/209,136 US8616063B2 (en) 2010-10-01 2011-08-12 Method and apparatus for thermal control of a multiple chamber test system
US13/209,136 2011-08-12
PCT/US2011/054416 WO2012045036A2 (en) 2010-10-01 2011-09-30 Product testing system and associated methods

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BR112013007863A2 (en) 2016-06-21

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