CN106526327A - DCR micro resistor automatic measuring machine - Google Patents
DCR micro resistor automatic measuring machine Download PDFInfo
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- CN106526327A CN106526327A CN201611217343.9A CN201611217343A CN106526327A CN 106526327 A CN106526327 A CN 106526327A CN 201611217343 A CN201611217343 A CN 201611217343A CN 106526327 A CN106526327 A CN 106526327A
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- 238000005259 measurement Methods 0.000 claims abstract description 97
- 239000000523 sample Substances 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000004807 localization Effects 0.000 claims description 46
- 230000004044 response Effects 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000012937 correction Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 210000004556 brain Anatomy 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002688 persistence Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a DCR micro resistor automatic measuring machine, which comprises a measuring platform, a positioning fixture, a measuring carrier, a four-terminal measuring circuit, a driving mechanism and a data acquisition and processing system. The DCR micro resistor automatic measuring machine realizes the clamping fixation of a plurality of products to be measured by means of the positioning fixture, completes the electrical connection of four measuring probes of the four-terminal measuring circuit and four contacts of a micro resistor on each product to be measured of the four-terminal measuring circuit through the cooperative design of the positioning fixture, the measuring carrier and the driving mechanism, achieves the function of measuring the micro resistor by adopting a four-terminal measuring method, can significantly improve the measurement efficiency and the quality stability, improve mass productivity of the products and decreasing property of cost and expense, and guarantees the consistency of the products. The measurement result of the four-terminal measuring circuit is acquired and processed by a data acquisition device, and the measurement data can be saved permanently and uploaded to an MES system, so as to facilitate customers to query production data remotely at any time.
Description
Technical field
The present invention relates to a kind of micro- resistance measuring machine, is specifically related to a kind of micro- resistance auto-measuring machines of DCR.
Background technology
At present, the micro- resistance of the DCR of mobile fingerprint cover plate module etc. is measured frequently with two-terminal measuring instrument, but producing line is measured
The resistance value of product is between 0.0005 Ω -0.5 Ω, if measuring method with two-terminal, measures the resistance of wire in 1 Ω -1.5 Ω,
The resistance of the internal resistance of wire much larger than test product will be caused, and during measurement, it is aging etc. due to contacting and measuring probe
Factor affects, and the impedance of system can change, it is impossible to do accurate compensation.That is, when carrying out the micro- resistance of DCR and measuring, due to
The resistance of wire accounts for very big ratio relative to the resistance of test product, and the internal resistance of wire is measured much larger than the resistance of test product
Measured value deviation is larger, it is impossible to accomplish accurate measurement, additionally, metric data effectively cannot be managed, measures less efficient, it is impossible to
Meet the requirement that batch is measured, therefore, in the urgent need to designing a kind of micro- resistance of DCR for being applied to mobile fingerprint cover plate module etc. certainly
Dynamic measuring machine.
The content of the invention
In order to solve above-mentioned technical problem, the present invention proposes a kind of micro- resistance auto-measuring machines of DCR, can be obviously improved measurement
Efficiency and quality stability, the production of improving product, cost decline property, and homogeneity of product are protected, and can block
Cut a upper station bad this station of inflow, metric data can persistence, upload MES system.
The technical scheme is that what is be achieved in that：
A kind of micro- resistance auto-measuring machine of DCR, including measurement unit, localization tool, measure carrier, four terminal measurement circuits,
Drive mechanism and data acquisition processing system, the localization tool include positioning plate and positioning cover plate, on the positioning plate
It is formed with for positioning some installation positions of product to be measured, product to be measured is placed in its corresponding installation position, and passes through institute
State positioning cover plate to be gripped；The measurement carrier includes lower measuring plate and upper measuring plate, corresponds to the one of product to be measured
Individual micro- resistance, on the lower measuring plate, positioning is provided with two lower measurement probes, and on the upper measuring plate, positioning is provided with two upper amounts
Probing pin, two lower measurement probes and two upper measurement probes are connected to described four by wiring as four contacts
Terminal measurement circuit；The lower measuring plate is installed on the measurement unit, and the upper measuring plate is installed in drive mechanism, described
Localization tool is installed on the lower measuring plate, and the lower measurement probe may pass through the positioning plate and be connect with product electricity to be measured
Touch；The drive mechanism can drive the upper measuring plate up and down, to drive the upper measurement probe to pass through the positioning cover plate
Make electrical contact with product to be measured；The data acquisition processing system is included for gathering the number that the four terminals measurement circuit is measured
According to and process data acquisition unit, locally preserved or/and upload company for the data after the data acquisition unit is processed
The computer or server of MES system and the display for showing measurement.
Further, the measurement unit is provided with mounting bracket, and the mounting bracket includes left plate, right plate and top
Plate, the drive mechanism include left fixed plate, right fixed plate, left rail, right guide rail, sliding panel, lower air cylinder plate and under calm the anger
Cylinder, the left rail are vertically fixedly arranged in the left fixed plate, and the right guide rail is vertically fixedly arranged in the right fixed plate, described
Left fixed plate is fixed on the inside of the left plate, and the right fixed plate is fixed on the inside of the right plate, and the sliding panel is horizontal
Arrange, its left and right two ends is connected with the left rail and the right slide by slide block, the lower air cylinder is by described
Lower air cylinder plate is fixed on the inside of the top board, and its power output shaft is fixedly connected with the middle part of the sliding panel.
Further, also including two-dimensional code scanning device, product to be measured is provided with the Quick Response Code for including product information,
It is some that when product orientation is measured on the localization tool, the Quick Response Code is exposed to the side of the localization tool, and described two
Dimension code scanning means includes some two-dimensional code scanning rifles corresponding with product quantity to be measured on the localization tool and realization
The two-dimensional code scanning rifle movement adjusts the governor motion for being directed at Quick Response Code on product to be measured, and the two-dimensional code scanning rifle reads
Data output to the computer or server and the display.
Further, the governor motion include upper bracket, undersetting and located at the undersetting and the upper bracket it
Between at least two groups lifting linking members, every group of lifting linking member include arranged in a crossed manner two lifting linking member, two lifting linking members
It is provided with to wear in resigning bar hole A, and two resigning bar hole A laps at crossover location and is positioned with a pivot；Per group of lifting
In connecting rod, a lifting linking member one end is hinged with the undersetting side, another lifting linking member one end and the upper bracket one
Side is hinged；The upper bracket opposite side face relative with the undersetting is provided with upper regulating block, has on this in the middle part of regulating block
There is resigning bar hole B, the undersetting opposite side face relative with the upper bracket is provided with lower regulating block, in the middle part of the lower regulating block
With resigning bar hole C；In every group of lifting linking member, the other end of a lifting linking member is slided with the resigning bar hole B by bearing pin and is connected
Connect, another lifting linking member other end is slidably connected with the resigning bar hole C by bearing pin；The upper bracket is near being hinged
An affixed loading plate on side, the two-dimensional code scanning rifle are installed on the loading plate, and the undersetting is installed on the amount
On scaffold tower；The upper bracket is threaded with securing member on the side of bearing pin, and the precession securing member can drive the bearing pin
Slide in the resigning bar hole B.
Further, the structure that the localization tool is installed on the lower measuring plate is：The lower measuring plate is embedded at
On the measurement unit, with the measurement unit flush, the measurement carrier is also including left-hand rotation joint chair and right-hand rotation joint chair, the left side
Adapter and the right-hand rotation joint chair are removably fixed on the lower measuring plate and the measurement unit by fastener separation, described
The positioning plate two ends of localization tool are removably fixed on the left-hand rotation joint chair and the right-hand rotation joint chair by securing member.
Further, four products to be measured are positioned with each described localization tool, correspondingly wait to measure described in four to produce
Product are provided with four two-dimensional code scanning rifles.
Further, the product to be measured is mobile fingerprint cover plate module, has two on each mobile fingerprint cover plate module
Micro- resistance that individual requirement is surveyed, two micro- electricity groups are with two shared contacts.
Further, the positioning plate side is connected by axis of rotation with the positioning cover plate side, the positioning
Base plate opposite side is snapped connection by buckle structure with the positioning cover plate opposite side.
Further, it is provided with for carrying out resistance correction to the upper measurement probe, the lower measurement probe and its wiring
Pinboard, the four terminals measurement circuit and described upper measure probe and the lower wiring measured between probe by being electrically connected
Connecing device carries out grafting, is needing to carry out resistance timing to probe, the lower measurement probe and wiring are measured on described, described turn
Fishplate bar is accessed between the male end and female end of the electric connector, the data acquisition unit built-in resistor correction module.
Further, also include to the drive mechanism, the two-dimensional code scanning device and the data acquisition process system
The control system that system is controlled.
The invention has the beneficial effects as follows：The present invention provides a kind of micro- resistance auto-measuring machines of DCR, is realized by localization tool
Some products to be measured are gripped, and the lower measurement for measuring carrier is installed on by the positioning plate of localization tool
On plate, the electric connection of the lower measurement probe on lower measuring plate and the contact of product to be measured is realized, by measuring carrier
Upper measuring plate be installed in drive mechanism, drive mechanism drives up and down to realize and drives upper measuring plate and upper measurement thereon to visit
Pin is made electrical contact with through positioning cover plate with product to be measured, so as to completing four measurement probes of four terminal measurement circuits and waiting to measure
The electric connection of four contacts of micro- resistance on product, realizes and measures the work(measured to micro- resistance by method using four terminals
Can, the sub- measuring machine of the micro- resistance auto-measuring machine opposite ends of the DCR can eliminate shadow of the test lead to measuring value to greatest extent
Sound, accurate compensation wire and system internal resistance, greatly improve accuracy in measurement.The design of localization tool and measurement carrier can be disposable
Multiple products to be measured are measured, measurement efficiency and quality stability, the production of improving product, under cost can be obviously improved
Drop property, and homogeneity of product is protected.The result that four terminal measurement circuits are measured is acquired by data acquisition unit and is located
Reason, by metric data persistence, and can upload MES system, facilitate consumer remote to inquire about creation data at any time.Preferably, should
The micro- resistance auto-measuring machines of DCR are integrated with two-dimensional code scanning device, including some two-dimensional code scanning rifles and realize two-dimensional code scanning
Rifle movement adjusts the governor motion for being directed at Quick Response Code on product to be measured.So, by arranging two-dimensional code scanning rifle, can read
On product to be measured, the Quick Response Code comprising product related information, to understand product related information, such as, can know that this waits to measure
Whether product is NG product at a upper station, if a upper station is NG product, the micro- resistance auto-measuring machines of DCR would not be measured, display
Interface red can be pointed out, and flows into this station with the defective products for intercepting a upper station, and the resistance data and measurement of measurement can
It is associated with product information, the reference or confession inquiry as the next stop.
Description of the drawings
Fig. 1 is dimensional structure diagram of the present invention；
Fig. 2 is data acquisition unit of the present invention and measurement probe connection diagram up and down；
Fig. 3 is mplifying structure schematic diagram at A in Fig. 2；
Fig. 4 is drive mechanism of the present invention, localization tool and measures carrier cooperation stereogram；
Fig. 5 is drive mechanism of the present invention, localization tool and measures carrier cooperation lavatory figure；
Fig. 6 is drive mechanism of the present invention, localization tool and measures carrier cooperation top view；
Fig. 7 coordinates stereogram for two-dimensional code scanning device in the present invention and localization tool；
Fig. 8 coordinates side view for two-dimensional code scanning device in the present invention and localization tool；
Fig. 9 coordinates stereogram for localization tool in the present invention and product to be measured；
Figure 10 coordinates perspective view for localization tool in the present invention and product to be measured；
Figure 11 is data acquisition unit in the present invention and pinboard cooperation schematic diagram；
With reference to accompanying drawing, make the following instructions：
1- measurement units, 2- localization tools, 21- positioning plates, 22- positioning cover plates, 23- buckle structures, 3- measure carrier,
Probe is measured under measuring plate under 31-, 311-, 32- upper measuring plates measure probe, 33- wiring, 34- left-hand rotation joint chairs, 35- on 321-
Right-hand rotation joint chair, 4- drive mechanisms, the left fixed plates of 41-, the right fixed plates of 42-, 43- left rails, the right guide rails of 44-, 45- sliding panels, 46-
Lower air cylinder plate, 47- lower air cylinders, 5- data acquisition processing systems, 51- data acquisition units, 52- computers or server, 53- show
Show device, 6- mounting brackets, 61- left plates, 62- right plates, 63- top boards, 7- two-dimensional code scanning devices, 71- two-dimensional code scanning rifles,
72- governor motions, 721- upper brackets, 722- undersettings, 723- lifting linking members, 7231- resigning bar hole A, 724- pivots, on 725-
Regulating block, 7251- resigning bar hole B, regulating block under 726-, 7261- resigning bar hole C, 727- bearing pins, 728- loading plates, 729- are tight
Firmware, 8- pinboards, 9- products to be measured, the micro- resistance of 91-, 92- Quick Response Codes.
Specific embodiment
In order to be more clearly understood that the technology contents of the present invention, describe in detail especially exemplified by following examples, its purpose is only
It is to be best understood from present disclosure rather than limit the scope of the invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of micro- resistance auto-measuring machines of DCR, including measurement unit 1, localization tool 2, measurement
Carrier 3, four terminal measurement circuits, drive mechanism 4 and data acquisition processing system 5, the localization tool include positioning plate 21
With positioning cover plate 22, it is formed with the positioning plate for positioning some installation positions of product to be measured 9, product to be measured is put
In its corresponding installation position, and gripped by the positioning cover plate；The measurement carrier includes lower measuring plate 31
With upper measuring plate 32, a micro- resistance 91 of correspondence product to be measured, on the lower measuring plate, positioning is provided with to measure under two and visits
Pin 311, on the upper measuring plate positioning be provided with two it is upper measure probes 321, two lower measurement probes and two it is described on
Measure probe and the four terminals measurement circuit is connected to by wiring 33 as four contacts；The lower measuring plate is installed on described
On measurement unit, the upper measuring plate is installed in drive mechanism, and the localization tool is installed on the lower measuring plate, it is described under
Measurement probe may pass through the positioning plate and be made electrical contact with product to be measured；The drive mechanism can drive the upper amount up and down
Drafting board, to drive the upper measurement probe to make electrical contact with through the positioning cover plate with product to be measured；The data acquisition process
System is included for gathering the data acquisition unit 51 of data that the four terminals measurement circuit measures process, for by the data
Data after collector for processing are locally preserved or/and are uploaded the computer of company's MES system or server 52 and for showing
The display 53 of measurement.So, it is capable of achieving to grip some products to be measured by localization tool, and passes through
The positioning plate of localization tool is installed on the lower measuring plate for measuring carrier, the lower measurement probe being capable of achieving on lower measuring plate with treat
The electric connection of the contact of product is measured, by the upper measuring plate for measuring carrier is installed in drive mechanism, in drive mechanism
Lower driving can drive measuring plate and upper measurement probe thereon to make electrical contact with through positioning cover plate with product to be measured, so as to complete
Four measurement probes of four terminal measurement circuits and the electric connection of four contacts of micro- resistance on product to be measured, so as to realize
The function measured to micro- resistance by method is measured using four terminals, micro- resistance auto-measuring machine opposite end of the DCR are measured
Machine, can eliminate impact of the test lead to measuring value, accurate compensation wire and system internal resistance to greatest extent, make accuracy in measurement significantly
Improve.Localization tool and measure carrier design can disposably measure multiple products to be measured, can be obviously improved measure efficiency and
Quality stability, the production of improving product, cost decline property, and homogeneity of product are protected.Four terminals measure electricity
The result that road measures is acquired by data acquisition unit and is processed, and by metric data persistence, and can upload MES system,
Consumer remote is facilitated to inquire about creation data at any time.
Preferably, referring to Fig. 4, Fig. 5 and Fig. 6, the measurement unit is provided with mounting bracket 6, and the mounting bracket includes a left side
Side plate 61, right plate 62 and top board 63, the drive mechanism include left fixed plate 41, right fixed plate 42, left rail 43, right guide rail
44th, sliding panel 45, lower air cylinder plate 46 and lower air cylinder 47, the left rail is vertically fixedly arranged in the left fixed plate, described
Right guide rail is vertically fixedly arranged in the right fixed plate, and the left fixed plate is fixed on the inside of the left plate, the right fixed plate
It is fixed on the inside of the right plate, the sliding panel horizontally set, its left and right two ends is by slide block and the left rail and described
Right slide connection, the lower air cylinder are fixed on the inside of the top board by the lower air cylinder plate, its power output shaft
Be fixedly connected in the middle part of the sliding panel.So, sliding panel is promoted by lower air cylinder, sliding panel on the left and right rail on glide
It is dynamic, it is possible to achieve drive mechanism drives measuring plate up and down, to drive upper measurement probe through positioning cover plate and product to be measured
The function of electrical contact.
Preferably, referring to Fig. 7 and Fig. 8, also including two-dimensional code scanning device 7, product to be measured is provided with and includes product
The Quick Response Code 92 of information, some when product orientation is measured on the localization tool, the Quick Response Code is exposed to the positioning and controls
The side of tool, the two-dimensional code scanning device include some two dimensions corresponding with product quantity to be measured on the localization tool
Code scanner 71 and realize that the two-dimensional code scanning rifle movement adjusts the governor motion 72 for being directed at Quick Response Code on product to be measured, institute
The data output of two-dimensional code scanning rifle reading is stated to the computer or server and the display.So, by arranging two dimension
Code scanner, can read the Quick Response Code comprising product related information on product to be measured, to understand product related information, than
Such as, can know whether the product to be measured is NG product at a upper station, if a upper station is NG product, the micro- resistance auto-measurings of DCR
Machine would not be measured, and display interfaces red can be pointed out, and flow into this station, and the electricity for measuring with the defective products for intercepting a upper station
Resistance data and measurement can be associated with product information, the reference or confession inquiry as the next stop.
Preferably, referring to Fig. 7 and Fig. 8, the governor motion includes upper bracket 721, undersetting 722 and located at described lower
At least two groups lifting linking members between seat and the upper bracket, every group of lifting linking member include arranged in a crossed manner two lifting linking member
723, two lifting linking members are provided with crossover location in resigning bar hole A7231, and two resigning bar hole A laps and wear
If being positioned with a pivot 724；In every group of lifting linking member, a lifting linking member one end is hinged with the undersetting side, another
Lifting linking member one end is hinged with the upper bracket side；The upper bracket opposite side face relative with the undersetting is provided with
Upper regulating block 725, has resigning bar hole B7251 in the middle part of regulating block on this, the undersetting opposite side is relative with the upper bracket
Face be provided with lower regulating block 726, in the middle part of the lower regulating block have resigning bar hole C7261；A lifting in every group of lifting linking member
The other end of connecting rod is slidably connected with the resigning bar hole B by bearing pin 727, another lifting linking member other end by bearing pin with
The resigning bar hole C is slidably connected；The upper bracket is near an affixed loading plate 728 on the side being hinged, the Quick Response Code
Scanner is installed on the loading plate, and the undersetting is installed on the measurement unit；The upper bracket near bearing pin one
It is threaded with securing member 729 on side, the precession securing member can drive the bearing pin to slide in the resigning bar hole B.So,
As lifting linking member one end is hinged with upper bracket or undersetting, the other end is slidably connected, and passes through pivot in the middle part of two lifting linking members
Axle is coordinated with resigning bar hole A, is realized linkage function, i.e., by spinning in and out securing member (hand adjustment screw or screw), can be driven
Bearing pin slides in resigning bar hole B or resigning bar hole C, and then realizes upper bracket with respect to the function that undersetting is lifted；Quick Response Code is swept
Retouch rifle to be fixed on upper bracket by loading plate, such that it is able to realize that Z-direction adjusts the function of the height of two-dimensional code scanning rifle.
In other embodiments, the mechanism that X-direction adjusts two-dimensional code scanning rifle is also set, when being embodied as, in order that Quick Response Code is swept
The Quick Response Code of product to be measured on rifle alignment localization tool is retouched, loading plate the inclined state of relative upper bracket can be designed to,
To facilitate two-dimensional code scanning rifle to scan product Quick Response Code to be measured.
Preferably, referring to Fig. 4, the structure that the localization tool is installed on the lower measuring plate is：The lower measuring plate
It is embedded on the measurement unit, and the measurement unit flush, the measurement carrier also includes that left-hand rotation joint chair 34 and right-hand rotation connect
Seat 35, the left-hand rotation joint chair and the right-hand rotation joint chair are removably fixed in the lower measuring plate and the amount by fastener separation
On scaffold tower, the positioning plate two ends of the localization tool are removably fixed in the left-hand rotation joint chair and the right-hand rotation by securing member
On joint chair.So, a support can be carried out by left-hand rotation joint chair and right-hand rotation joint chair to localization tool, localization tool is detachably solid
It is scheduled on left-hand rotation joint chair and right-hand rotation joint chair, when using various sizes of localization tool, to be convenient for changing, expands the adaptation for measuring
Property.
Preferably, referring to Fig. 9 and Figure 10, four products to be measured, correspondence four in each described localization tool, are positioned with
The product to be measured is provided with four two-dimensional code scanning rifles.Four two-dimensional code scanning rifles from left to right can be swept four successively and treat
The Quick Response Code of product is measured, to improve operating efficiency.Preferably, the product to be measured is mobile fingerprint cover plate module, each
The micro- resistance for having two requirements to survey on mobile fingerprint cover plate module, two micro- electricity groups are with two shared contacts.So, can be real
Two micro- resistance of existing mobile fingerprint cover plate module are measured simultaneously, are measured method due to using four terminals, are shared two contacts,
Can decrement probing pin use.
Preferably, referring to Fig. 9 and Figure 10, the positioning plate side is connected by axis of rotation with the positioning cover plate side
Connect, the positioning plate opposite side is snapped connection by buckle structure 23 with the positioning cover plate opposite side.So, measuring
Before, product to be measured is sequentially placed on the installation position of positioning plate, positioning cover plate is then gone to, and is realized determining by buckle
Position cover plate and positioning plate are snapped connection, so as to product to be measured is clamped, when being embodied as, positioning plate with calmly
Raised or pit can be arranged according to shape of product to be measured on the cover plate of position, with more preferable spacing product to be measured.
Preferably, referring to Figure 11, it is provided with for carrying out electricity to the upper measurement probe, the lower measurement probe and its wiring
The pinboard 8 of resistance correction, the four terminals measurement circuit and the upper wiring measured between probe and the lower measurement probe
Grafting is carried out by electric connector, is needing resistance correction to be carried out to probe, the lower measurement probe and wiring are measured on described
When, the pinboard is accessed between the male end and female end of the electric connector, the data acquisition unit built-in resistor correction module.
It is upper measurement probe, it is described it is lower measurement probe and its wiring using it is long when, can produce affect measure accuracy impedance, pass through
Arrange pinboard to correct the impedance, so as to improve the precision of measurement.
Preferably, also include to the drive mechanism, the two-dimensional code scanning device and the data acquisition processing system
The control system being controlled.By arrange control system, can be to drive mechanism, two-dimensional code scanning device and data acquisition at
Reason system carries out Based Intelligent Control, realizes automated job.The micro- resistance auto-measuring machine built-in channel selector of DCR of the present invention, energy
Automatically 8 groups of resistance values of four products are tested simultaneously, operation screen is succinct, measuring accuracy is one thousandth ohm.
The method of operating of the micro- resistance auto-measuring machine of DCR of the present invention is as follows：
DCR micro- resistance is installed on computer and measures software, flow process card number, product type, erect-position, member are input in starting-up interface
Work job number and the impedance of this sequence such as measure at the information, then, open the positioning cover plate of localization tool, load four after product is measured,
Localization tool being installed on lower measuring plate, then, measurement being proceeded by by triggering key, now, lower air cylinder starts, by cunning
The dynamic upper measuring plate of dynamic strip is pressed on localization tool, i.e., upper to measure the micro- resistance of probe, lower measurement probe with product to be measured
Contact it is in electrical contact, meanwhile, the two-dimensional code scanning rifle on board from left to right sweeps the Quick Response Code of four products to be measured successively,
If function measurement in a upper station is NG product, board would not be measured, and display interfaces red can be pointed out, and upper station function is measured is
The product of OK, board log-on data collector are measured, and after 2 seconds, lower air cylinder is lifted, and display shows measurement result,
And OK or NG, metric data can be pointed out locally to preserve and/or upload company's MES system, repeat action above.
To sum up, the present invention is solved the problems, such as described in background technology, there is provided a kind of micro- resistance auto-measuring machine of DCR,
Measurement efficiency and quality stability are obviously improved, the production of product has been improved, one group can measure four products, 8 micro- electricity
Resistance, cost is remarkably decreased, and homogeneity of product is protected, and the defective products that can also intercept a station flows into this work
Stand, data can persistence, and MES system can be uploaded, facilitate consumer remote to inquire about creation data at any time.
The micro- resistance auto-measuring machine of DCR of the present invention can be widely applied to the measurement for testing Minitype resistance, and the machine is built-in logical
Track selector, can test 8 groups of resistance values simultaneously automatically, and operation screen is succinct, and measuring accuracy is one thousandth ohm.Can be on request
The value of storage test is in specified path position.
Above example is referring to the drawings, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
In the case that member by carrying out modification or change on various forms, but the essence without departing substantially from the present invention to above-described embodiment, all
Fall within the scope and spirit of the invention.
Claims (10)
1. micro- resistance auto-measuring machines of a kind of DCR, it is characterised in that：Including measurement unit (1), localization tool (2), measure carrier
(3), four terminal measurement circuits, drive mechanism (4) and data acquisition processing system (5), the localization tool include positioning plate
(21) and positioning cover plate (22), it is formed with the positioning plate for positioning some installation positions of product to be measured (9), the amount for the treatment of
Survey product to be placed in its corresponding installation position, and gripped by the positioning cover plate；Under the measurement carrier includes
Measuring plate (31) and upper measuring plate (32), a micro- resistance (91) of correspondence product to be measured, position on the lower measuring plate and set
There are two lower measurement probes (311), positioning is provided with two upper measurements probe (321), two lower amounts on the upper measuring plate
Probing pin and two upper measurement probes are connected to the four terminal measurement circuit by wiring (33) as four contacts；Institute
State lower measuring plate to be installed on the measurement unit, the upper measuring plate is installed in drive mechanism, and the localization tool is installed on
On the lower measuring plate, the lower measurement probe may pass through the positioning plate and be made electrical contact with product to be measured；The driving machine
Structure can drive the upper measuring plate up and down, to drive the upper measurement probe through the positioning cover plate and product to be measured electricity
Contact；The data acquisition processing system is included for gathering the data that the four terminals measurement circuit is measured the data for processing
Collector (51), the electricity for locally being preserved or/and being uploaded company's MES system for the data after the data acquisition unit is processed
Brain or server (52) and the display (53) for showing measurement.
2. micro- resistance auto-measuring machines of DCR according to claim 1, it is characterised in that：The measurement unit is provided with installation
Support (6), the mounting bracket include left plate (61), right plate (62) and top board (63), and the drive mechanism includes left solid
Fixed board (41), right fixed plate (42), left rail (43), right guide rail (44), sliding panel (45), lower air cylinder plate (46) and under calm the anger
Cylinder (47), the left rail are vertically fixedly arranged in the left fixed plate, and the right guide rail is vertically fixedly arranged in the right fixed plate,
The left fixed plate is fixed on the inside of the left plate, and the right fixed plate is fixed on the inside of the right plate, the sliding panel
Horizontally set, its left and right two ends are connected with the left rail and the right slide by slide block, and the lower air cylinder passes through
The lower air cylinder plate is fixed on the inside of the top board, and its power output shaft is fixedly connected with the middle part of the sliding panel.
3. micro- resistance auto-measuring machines of DCR according to claim 1, it is characterised in that：Also include two-dimensional code scanning device
(7), product to be measured is provided with the Quick Response Code (92) for including product information, and some product orientation to be measured are controlled in the positioning
When on tool, the Quick Response Code is exposed to the side of the localization tool, and the two-dimensional code scanning device includes and the localization tool
On the corresponding some two-dimensional code scanning rifles (71) of product quantity to be measured and realize that two-dimensional code scanning rifle movement adjusts right
The governor motion (72) of Quick Response Code on standard product to be measured, the data output that the two-dimensional code scanning rifle reads to the computer or
Server and the display.
4. micro- resistance auto-measuring machines of DCR according to claim 3, it is characterised in that：The governor motion includes propping up
Seat (721), undersetting (722) and at least two groups lifting linking members between the undersetting and the upper bracket, rise per group
Drop connecting rod includes arranged in a crossed manner two lifting linking member (723), and two lifting linking members are provided with resigning bar at crossover location
Wear in hole A (7231), and two resigning bar hole A laps and be positioned with a pivot (724)；In every group of lifting linking member, one rises
Drop connecting rod one end is hinged with the undersetting side, and another lifting linking member one end is hinged with the upper bracket side；Institute
State the upper bracket opposite side face relative with the undersetting and be provided with upper regulating block (725), have in the middle part of regulating block on this and step down
Bar hole B (7251), the undersetting opposite side face relative with the upper bracket are provided with lower regulating block (726), the lower regulation
There is in the middle part of block resigning bar hole C (7261)；In every group of lifting linking member, the other end of a lifting linking member passes through bearing pin (727) and institute
State resigning bar hole B to be slidably connected, another lifting linking member other end is slidably connected with the resigning bar hole C by bearing pin；It is described
Upper bracket is installed on the loading plate near an affixed loading plate (728) on the side being hinged, the two-dimensional code scanning rifle,
The undersetting is installed on the measurement unit；The upper bracket is threaded with securing member (729) on the side of bearing pin,
The precession securing member can drive the bearing pin to slide in the resigning bar hole B.
5. micro- resistance auto-measuring machines of DCR according to claim 1, it is characterised in that：The localization tool is installed on institute
The structure stated on lower measuring plate is：The lower measuring plate is embedded on the measurement unit, and the measurement unit flush, described
Measuring carrier also includes that left-hand rotation joint chair (34) and right-hand rotation joint chair (35), the left-hand rotation joint chair and the right-hand rotation joint chair pass through securing member
Interval is removably fixed on the lower measuring plate and the measurement unit, and the positioning plate two ends of the localization tool are by fastening
Part is removably fixed on the left-hand rotation joint chair and the right-hand rotation joint chair.
6. micro- resistance auto-measuring machines of DCR according to claim 3, it is characterised in that：It is fixed in each described localization tool
There are four products to be measured position, and product to be measured described in correspondence four is provided with four two-dimensional code scanning rifles.
7. micro- resistance auto-measuring machines of DCR according to claim 6, it is characterised in that：The product to be measured is mobile phone
Fingerprint cover plate module, the micro- resistance for having two requirements to survey on each mobile fingerprint cover plate module, two micro- electricity groups are common with two
Contact.
8. micro- resistance auto-measuring machines of DCR according to claim 1, it is characterised in that：The positioning plate side and institute
State positioning cover plate side to connect by axis of rotation, the positioning plate opposite side passes through buckle with the positioning cover plate opposite side
Structure (23) is snapped connection.
9. micro- resistance auto-measuring machines of DCR according to claim 1, it is characterised in that：It is provided with for the upper measurement
Probe, it is described it is lower measure probe and its wiring and carry out the pinboard (8) of resistance correction, the four terminals measurement circuit with it is described on
Measuring probe and the lower wiring measured between probe carries out grafting by electric connector, is needing to visit to measuring on described
Pin, the lower measurement probe and wiring carry out resistance timing, and the pinboard accesses the male end and female end of the electric connector
Between, the data acquisition unit built-in resistor correction module.
10. micro- resistance auto-measuring machines of DCR according to claim 3, it is characterised in that：Also include to the driving machine
The control system that structure, the two-dimensional code scanning device and the data acquisition processing system are controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611217343.9A CN106526327B (en) | 2016-12-26 | 2016-12-26 | DCR micro-resistance automatic measuring machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611217343.9A CN106526327B (en) | 2016-12-26 | 2016-12-26 | DCR micro-resistance automatic measuring machine |
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| CN106526327B CN106526327B (en) | 2023-08-29 |
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| CN201611217343.9A Active CN106526327B (en) | 2016-12-26 | 2016-12-26 | DCR micro-resistance automatic measuring machine |
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| CN108714726A (en) * | 2018-07-26 | 2018-10-30 | 深圳市联鑫致自动化设备有限公司 | Tin soldering machine |
| CN118068087A (en) * | 2024-04-18 | 2024-05-24 | 业展电子(惠州市)有限公司 | Detachable resistance measuring device |
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| Publication number | Publication date |
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| CN106526327B (en) | 2023-08-29 |
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