CN105486997B - Change the method and device of sky plate - Google Patents
Change the method and device of sky plate Download PDFInfo
- Publication number
- CN105486997B CN105486997B CN201610071356.3A CN201610071356A CN105486997B CN 105486997 B CN105486997 B CN 105486997B CN 201610071356 A CN201610071356 A CN 201610071356A CN 105486997 B CN105486997 B CN 105486997B
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- China
- Prior art keywords
- sky plate
- tool
- host computer
- instruction
- sky
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
Abstract
The invention discloses a kind of method and device for changing sky plate.Wherein, this method includes:Receive the sky plate detection instruction that host computer is sent;The reset state of the sky plate cylinder of command detection FCT equipment is detected according to sky plate;The reset state of sky plate cylinder is fed back into host computer, and receives the sky plate that host computer returns according to the reset state of sky plate cylinder and changes instruction;Instruction is changed according to sky plate to change the sky plate of FCT equipment.The present invention is solved in correlation technique, it is necessary to manually enter line replacement to the sky plate in FCT equipment, causes sky plate easily to occur the technical problem damaged in the engineering of displacement.
Description
Technical field
The present invention relates to control field, in particular to a kind of method and device for changing sky plate.
Background technology
FCT (function circuit test) tests refer to the running environment (excitation for providing test target plate simulation
And load), test target plate is in various working conditions, so as to obtain each state parameter of test target plate.
Currently, staff is generally required using FCT equipment come electric equipment products such as testing air conditioner devices during test
Change the pieces of equipment such as sky plate, the tool of FCT equipment.
It should be noted that in the related art, often carried out using the manually equipment such as the sky plate to FCT equipment, tool
To change, the process manually changed is relatively complicated, efficiency is low, and the cooperation of sky plate, tool and equipment can be caused to position inaccurately, so that
Cause to damage equipment.
For, it is necessary to manually enter line replacement to the sky plate in FCT equipment, causing sky plate in displacement in above-mentioned correlation technique
The problem of easily being damaged in engineering, not yet proposes effective solution at present.
The content of the invention
The embodiments of the invention provide it is a kind of change sky plate method and device, at least to solve in correlation technique, it is necessary to
Line replacement manually is entered to the sky plate in FCT equipment, causes sky plate easily to occur the technical problem damaged in the engineering of displacement.
One side according to embodiments of the present invention, there is provided a kind of method for changing sky plate, including:Receive host computer hair
The sky plate detection instruction sent;The reset state of the sky plate cylinder of command detection FCT equipment is detected according to sky plate;By sky plate cylinder
Reset state feeds back to host computer, and receives the sky plate that host computer returns according to the reset state of sky plate cylinder and change instruction;Root
Instruction is changed according to sky plate to change the sky plate of FCT equipment.
Another aspect according to embodiments of the present invention, a kind of device for changing sky plate is additionally provided, including:Receiving unit,
Sky plate for receiving host computer transmission detects instruction;First detection unit, for detecting command detection FCT equipment according to sky plate
Sky plate cylinder reset state;Feedback unit, for the reset state of sky plate cylinder to be fed back into host computer, and receive upper
The sky plate that machine returns according to the reset state of sky plate cylinder changes instruction;First changes unit, is instructed for being changed according to sky plate
The sky plate of FCT equipment is changed.
In embodiments of the present invention, the sky plate detection instruction sent using host computer is received;Instruction inspection is detected according to sky plate
Survey the reset state of the sky plate cylinder of FCT equipment;The reset state of sky plate cylinder is fed back into host computer, and receives host computer root
The sky plate returned according to the reset state of sky plate cylinder changes instruction;Instruction is changed according to sky plate to carry out more the sky plate of FCT equipment
Change, solve in correlation technique, it is necessary to manually enter line replacement to the sky plate in FCT equipment, cause sky plate in the engineering of displacement
Easily there is the technical problem damaged.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the method for replacing sky plate according to embodiments of the present invention;
Fig. 2 is a kind of schematic diagram of optional method for changing sky plate according to embodiments of the present invention;
Fig. 3 is a kind of flow chart of optional method for changing sky plate according to embodiments of the present invention;And
Fig. 4 is a kind of schematic diagram of the device of replacing sky plate according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment one
According to embodiments of the present invention, there is provided a kind of method for changing sky plate applies example, it is necessary to illustrate, in accompanying drawing
The step of flow illustrates can perform in the computer system of such as one group computer executable instructions, although also,
Logical order is shown in flow chart, but in some cases, can be to perform shown different from order herein or retouch
The step of stating.
Fig. 1 is the flow chart of the method for replacing sky plate according to embodiments of the present invention, as shown in figure 1, this method is included such as
Lower step:
Step S12, receive the sky plate detection instruction that host computer is sent.
Specifically, in this programme, the sky plate that above-mentioned host computer is sent can be received using the controller of more changing device
Detection instruction, i.e., if the user desired that changing the sky plate in FCT equipment, user can then input replacing instruction in host computer,
So host computer then sends sky plate detection instruction from the controller of trend replacing device, and FCT is set by the controller of more changing device
Sky plate in standby is detected, it is necessary to illustrate, due in this programme, before being changed to sky plate, it is necessary to day
Plate is detected, so after user sends replacing instruction to host computer, host computer can change the control of device from trend
Device sends above-mentioned sky plate detection instruction.It should also be noted that, above-mentioned more changing device, which is one, can perform host computer instruction
Intelligent machine equipment.
Step S14, the reset state of the sky plate cylinder of command detection FCT equipment is detected according to sky plate.
Specifically, in this programme, the controller of more changing device can be by the signal of sensor come the day to FCT equipment
The reset state of plate cylinder is detected, it is necessary to illustrate, by the reset state of above-mentioned sky plate cylinder, more changing device can be with
Judge whether sky plate cylinder resets to origin.
Step S16, the reset state of sky plate cylinder is fed back into host computer, and receive host computer answering according to sky plate cylinder
The sky plate that position state returns changes instruction.
Specifically, the controller of more changing device can send the reset state of the sky plate cylinder detected to host computer,
Host computer can be changed according to the reset state (whether resetting to origin) of above-mentioned sky plate cylinder to send sky plate to more changing device
Instruction.
Step S18, instruction is changed according to sky plate the sky plate of FCT equipment is changed.
Specifically, in this programme, the controller of more changing device can perform above-mentioned sky plate and change instruction, then control more
Changing device is changed to the sky plate of FCT equipment, and more changing device can send control instruction to sky plate cylinder so that sky plate cylinder
Pinching action, so as to which more changing device can take out old sky plate from mounting groove, place new sky plate.
It should be noted that in this programme, the instruction of " taking sky plate " can also be sent from staff to more changing device,
As shown in Fig. 2 i.e. staff can be by selecting to take sky plate in the display interface of host computer, now master system needs logical
The signal of sensor is crossed to judge whether sky plate cylinder resets to origin, if sky plate cylinder does not reset, staff needs to press
Lower SR, next step action could be carried out after resetting.When sky plate cylinder can be clicked in origin position, staff
" taking sky plate " button, clamping cylinder action, sky plate is unclamped, operating personnel take out sky plate from mounting groove.Day will newly be changed
Plate is put into mounting groove.
The present embodiment detects instruction by receiving the sky plate that host computer is sent;Command detection FCT equipment is detected according to sky plate
Sky plate cylinder reset state;The reset state of sky plate cylinder is fed back into host computer, wherein, host computer is according to sky plate cylinder
Reset state send sky plate change instruction;Instruction is changed according to sky plate to change the sky plate of FCT equipment, is solved above-mentioned
, it is necessary to manually enter line replacement to the sky plate in FCT equipment in correlation technique, sky plate is caused easily to be damaged in the engineering of displacement
Bad the problem of.
Alternatively, step S16, host computer send the step of sky plate changes instruction according to the reset state of sky plate cylinder and wrapped
Include:
Step S161, in the case where sky plate cylinder is reset to origin, host computer sends sky plate and changes instruction.
Specifically, in this programme, host computer can judge whether sky plate cylinder is reset to by above-mentioned reset state
Origin, in the case where above-mentioned sky plate cylinder is reset to origin, host computer then to more changing device send sky plate change instruction, it is necessary to
Illustrate, if host computer judges that above-mentioned sky plate cylinder is not reset to origin, then host computer then can be to above-mentioned day
Plate cylinder sends reset instruction, treats that sky plate cylinder is reset to origin.
Alternatively, in the case where above-mentioned sky plate cylinder is not reset to origin, staff can be manually pressed by resetting
Button, to realize that sky plate cylinder is reset to origin.
It should be noted that in our scheme, the purpose that sky plate cylinder is reset to origin is to there is enough spaces
To change the equipment such as sky plate.
Alternatively, in step S18, after being changed according to sky plate replacing instruction to the sky plate of FCT equipment, the present embodiment
The method of offer can also include:
Whether step S20, the positioning hole detected in new sky plate match with the locating dowel in sky plate mounting groove.
Specifically, in this programme, after new sky plate is placed mounting groove by more changing device, the controller of more changing device can be with
Whether the positioning hole detected in new sky plate matches with the locating dowel in sky plate mounting groove, to realize precise positioning, if sky plate is not
It is in place, then new sky plate is placed above-mentioned sky plate mounting groove by updating device again.
Alternatively, with reference to Fig. 2, staff can also click on the clamping sky plate button in host computer display interface, by more
Changing device fixes sky plate, and sky plate, which is changed, to be completed.
Step S22, in the event of a match, the first signal is sent to host computer, the first signal is used to characterize new sky plate more
Change work(into.
Specifically, in this programme, if the positioning hole in new sky plate matches with the locating dowel in sky plate mounting groove, say
Bright new sky plate has been placed in position, and more changing device can send above-mentioned first signal to host computer, prompt user's sky plate to change
Through success.
Alternatively, host computer is changed according to the first signal generation tool and instructed, wherein, sent in step S22 to host computer
After first signal, this method also includes:
Step S24, receive the tool that host computer is sent and change instruction.
Specifically, in this programme, host computer, can be to the controller of more changing device after it is determined that sky plate installs successfully
Send tool and change instruction.
Step S26, instruction control more changing device is changed according to tool so that the tool of FCT equipment is changed.
Alternatively, step S26, changing the step of instruction is changed to tool according to tool includes:
Step S261, control signal is sent to tool cylinder, control signal is used to control tool cylinder to jack up tool.
Specifically, in this programme, the controller of more changing device can first control tool cylinder, and tool cylinder, which acts, to be caused
Old tool jacks up from mounting groove, and more changing device then takes out old tool, then new tool is put into tool mounting groove.
Step S262, after new tool installation, that detects new tool and FCT equipment docks whether terminal docks,
In the case of being, secondary signal is sent to host computer, secondary signal is installed successfully for characterizing new tool.
Specifically, in this programme, the controller of more changing device can detect new tool is with the terminal that docks of FCT equipment
No docking, in the case where successfully docking, the controller of more changing device can remind user's tool and day by host computer
The replacing success of plate.
Alternatively, after sky plate replacing, user can click on " tool jack-up " button in host computer interface in Fig. 2, control
Have cylinder action, tool is jacked up from mounting groove, tool cylinder keeps jack-up action 10 seconds, and staff will can control around here
Tool takes out from mounting groove.Tool cylinder resets after 10 seconds, and staff can place new tool of changing along mounting groove,
Then tool is pressed lightly on downwards, tool is connected with the docking terminal in equipment, the replacing of tool is completed.
From the foregoing, it will be observed that the present embodiment is made that optimization to controller FCT ATEs, sectional drawing realizes quick-replaceable day
Plate, tool, and the mutual cooperation setting accuracy of sky plate, tool is improved, avoid the product caused by orientation problem from damaging
It is bad.In addition, special sky plate and tool are also specially provided with the test system of equipment changes interface, sky plate and tool
Replacing can both have operating personnel to realize, can also be realized by " more changing device " robot.
With reference to Fig. 3, a kind of alternative embodiment of the application is introduced, be as follows the step of the embodiment:
Step A, into replacing sky plate and tool interface.
Specifically, production switching is being carried out, when equipment stops test, replacing and tool circle can be shown in host computer
Face.
Step B, click take sky plate.
Specifically, if staff will realize replacing sky plate, it can click in interface and take sky plate button.
Step C, host computer judge whether sky plate cylinder resets to origin position.
Specifically, host computer can judge whether sky plate cylinder resets to origin position by sensor signal, be
In the case of, step E is performed, in a case of no, performs step D.
Step D, the sky plate qigong is reset to origin position.
Specifically, staff can press SR, and the sky plate qigong is reset into origin position.
Step E, clamping cylinder, unclamp sky plate.
Specifically, host computer can control cylinder to step up, to unclamp sky plate.
Step F, new sky plate is placed into mounting groove.
Specifically, staff can remove old sky plate, and new sky plate is placed into mounting groove.
Step G, host computer judge whether new sky plate is in place, and in a case of no, step H are performed, in the situation for being
Under, perform step I.
Sky plate, is in place by step H again.
Step I, by day board clamping, sky plate, which is changed, to be completed.
Specifically, staff, which can click on, clamps sky plate button, by day board clamping.
Step J, click on tool and jack up button.
Specifically, staff can click on tool and jack up button, to change tool.
Step K, the action of tool cylinder.
Specifically, host computer can control tool cylinder to act, and tool is jacked up from mounting groove.
Step L, takes out tool from mounting groove.
Specifically, the holding of tool cylinder acts ten seconds, and staff can take out tool from mounting groove.
Step M, new tool is put into mounting groove.
Specifically, tool cylinder is resetted, and new tool can be put into mounting groove by staff, and be pressed lightly on.
Step N, complete the replacing of sky plate and tool.
To sum up, present applicant proposes a kind of replacing sky plate, the method for tool, controller FCT equipment sky plate, tool are improved
The efficiency of replacing and mutual cooperation location accuracy, so as to improve product thread-changing efficiency, and greatly reduce product
Test damage ratio.Optimized by the interoperation changed to controller FCT equipment sky plate, tool, realize the fast quick change of product test
Line and reduction test damage ratio.It should be noted that the application also achieves shows special sky plate in FCT test systems
Interface is changed with tool, improves the convenience of switching.
Embodiment two
Present invention also provides a kind of device for changing sky plate, the device can be used for the side for performing above-mentioned replacing sky plate
Method, as shown in figure 4, the device can include:
Receiving unit 40, the sky plate for receiving host computer transmission detect instruction.First detection unit 42, for according to institute
State the reset state of the sky plate cylinder of sky plate detection command detection FCT equipment.Feedback unit 44, for by the sky plate cylinder
Reset state feeds back to the host computer, and receives the sky plate that the host computer returns according to the reset state of the sky plate cylinder
Change instruction.First changes unit 46, and the sky plate of the FCT equipment is changed for changing instruction according to the sky plate.
The present embodiment detects instruction by receiving the sky plate that host computer is sent;Command detection FCT equipment is detected according to sky plate
Sky plate cylinder reset state;The reset state of sky plate cylinder is fed back into host computer, wherein, host computer is according to sky plate cylinder
Reset state send sky plate change instruction;Instruction is changed according to sky plate to change the sky plate of FCT equipment, is solved above-mentioned
, it is necessary to manually enter line replacement to the sky plate in FCT equipment in correlation technique, sky plate is caused easily to be damaged in the engineering of displacement
Bad the problem of.
Alternatively, said apparatus can also include:First transmitting element, for being reset to origin in the sky plate cylinder
In the case of, send the sky plate and change instruction.
Alternatively, said apparatus also includes:Second detection unit, installed for detecting the positioning hole in new sky plate with sky plate
Whether the locating dowel in groove matches;Second transmitting element, in the event of a match, the first letter being sent to the host computer
Number, wherein, first signal is changed successfully for characterizing the new sky plate.
Alternatively, said apparatus also includes:Receiving unit, refer to for receiving the tool that the host computer is sent and changing
Order;Second changes unit, and the tool of the FCT equipment is changed for changing instruction according to the tool.
Alternatively, above-mentioned second replacing unit includes:Sending module, it is described for sending control signal to tool cylinder
Control signal is used to control the tool cylinder to jack up the tool;Detection module, for after new tool installation, detecting
The new tool docks whether terminal docks with the FCT equipment, where it has, sending the second letter to the host computer
Number, the secondary signal is installed successfully for characterizing the new tool.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, others can be passed through
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the present invention whole or
Part steps.And foregoing storage medium includes:USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. method for changing sky plate, it is characterised in that including:Receive the sky plate detection instruction that host computer is sent;The reset state of the sky plate cylinder of command detection FCT equipment is detected according to the sky plate;The reset state of the sky plate cylinder is fed back into the host computer, and receives the host computer according to the sky plate cylinder Reset state return sky plate change instruction;Instruction is changed according to the sky plate to change the sky plate of the FCT equipment.
- 2. according to the method for claim 1, it is characterised in that the host computer is according to the reset state of the sky plate cylinder Sending the step of sky plate changes instruction includes:In the case where the sky plate cylinder is reset to origin, the host computer sends the sky plate and changes instruction.
- 3. according to the method for claim 1, it is characterised in that instruction is being changed to the FCT equipment according to the sky plate Sky plate changed after, methods described also includes:Whether the positioning hole detected in new sky plate matches with the locating dowel in sky plate mounting groove;In the event of a match, the first signal is sent to the host computer, wherein, first signal is used to characterize the new day Plate is changed successfully.
- 4. according to the method for claim 3, it is characterised in that the host computer according to the first signal generation tool more Instruction is changed, wherein, after the first signal is sent to the host computer, methods described also includes:Receive the tool that the host computer is sent and change instruction;Instruction is changed according to the tool to change the tool of the FCT equipment.
- 5. according to the method for claim 4, it is characterised in that described that the FCT is set according to tool replacing instruction The step of standby tool is changed includes:Control signal is sent to tool cylinder, the control signal is used to control the tool cylinder to jack up the tool;After new tool installation, the detection new tool docks whether terminal docks with the FCT equipment, in the feelings for being Under condition, secondary signal is sent to the host computer, the secondary signal is installed successfully for characterizing the new tool.
- A kind of 6. device for changing sky plate, it is characterised in that including:Receiving unit, the sky plate for receiving host computer transmission detect instruction;First detection unit, the reset state of the sky plate cylinder for detecting command detection FCT equipment according to the sky plate;Feedback unit, for the reset state of the sky plate cylinder to be fed back into the host computer, and receive the host computer root The sky plate returned according to the reset state of the sky plate cylinder changes instruction;First changes unit, and the sky plate of the FCT equipment is changed for changing instruction according to the sky plate.
- 7. device according to claim 6, it is characterised in that described device also includes:First transmitting element, in the case of being reset to origin in the sky plate cylinder, send the sky plate and change instruction.
- 8. device according to claim 6, it is characterised in that described device also includes:Second detection unit, for detecting whether the positioning hole in new sky plate matches with the locating dowel in sky plate mounting groove;Second transmitting element, in the event of a match, the first signal being sent to the host computer, wherein, first letter Number it is used to characterize the new sky plate and change successfully.
- 9. device according to claim 8, it is characterised in that described device also includes:Receiving unit, instruction is changed for receiving the tool that the host computer is sent;Second changes unit, and the tool of the FCT equipment is changed for changing instruction according to the tool.
- 10. device according to claim 9, it is characterised in that the second replacing unit includes:Sending module, for sending control signal to tool cylinder, the control signal is used to control the tool cylinder to jack up The tool;Detection module, for after new tool installation, whether the detection new tool to dock terminal with the FCT equipment Docking, where it has, sending secondary signal to the host computer, the secondary signal is used to characterize the new tool installation Success.
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CN201610071356.3A CN105486997B (en) | 2016-02-01 | 2016-02-01 | Change the method and device of sky plate |
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CN110837249A (en) * | 2019-11-07 | 2020-02-25 | 珠海格力智能装备有限公司 | Control method and device for product processing, storage medium and processor |
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US5471148A (en) * | 1993-06-24 | 1995-11-28 | Xandex, Inc. | Probe card changer system and method |
US5528158A (en) * | 1994-04-11 | 1996-06-18 | Xandex, Inc. | Probe card changer system and method |
CN1907707A (en) * | 2005-08-04 | 2007-02-07 | 日东电子科技(深圳)有限公司 | Method and tool of fast replacing PCB board location and clamping |
CN104614618A (en) * | 2015-02-07 | 2015-05-13 | 刘刚 | Semi-automatic interchange equipment for testing electrical performance and testing method thereof |
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2016
- 2016-02-01 CN CN201610071356.3A patent/CN105486997B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5471148A (en) * | 1993-06-24 | 1995-11-28 | Xandex, Inc. | Probe card changer system and method |
US5528158A (en) * | 1994-04-11 | 1996-06-18 | Xandex, Inc. | Probe card changer system and method |
CN1907707A (en) * | 2005-08-04 | 2007-02-07 | 日东电子科技(深圳)有限公司 | Method and tool of fast replacing PCB board location and clamping |
CN104614618A (en) * | 2015-02-07 | 2015-05-13 | 刘刚 | Semi-automatic interchange equipment for testing electrical performance and testing method thereof |
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