CN206321709U - The micro- resistance auto-measuring machines of DCR - Google Patents

Abstract

The utility model discloses a kind of micro- resistance auto-measuring machines of DCR, including measurement unit, localization tool, measure carrier, four terminal measurement circuits, drive mechanism and data acquisition processing system, realized by localization tool and some products to be measured are gripped, and pass through localization tool, in the matching design for measuring carrier and drive mechanism, complete the electric connection of the four measurement probes and four contacts of micro- resistance on product to be measured of four terminal measurement circuits, realize and measure the function that method is measured to micro- resistance using four terminals, the utility model can be obviously improved measurement efficiency and quality stability, lift the production of product, cost decline property, and homogeneity of product is protected.The result that four terminal measurement circuits are measured is acquired and handled by data acquisition unit, can be by metric data persistence, and uploads MES system, facilitates consumer remote to inquire about creation data at any time.

Description

The micro- resistance auto-measuring machines of DCR

Technical field

The utility model is related 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 measurement 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 internal resistance of wire will be caused to be much larger than the resistance of test product, and during measurement, due to contacting and measuring probe aging etc. Factor influences, and the impedance of system can change, it is impossible to do accurate compensation.That is, when the micro- resistance of progress DCR is measured, 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 much larger than the resistance of test product, amount Measured value deviation is larger, it is impossible to accomplish accurate measurement, in addition, metric data can not be managed effectively, measures less efficient, it is impossible to The requirement that satisfaction batch is measured, therefore, in the urgent need to designing a kind of micro- resistance of DCR applied to mobile fingerprint cover plate module etc. certainly Dynamic measuring machine.

The content of the invention

In order to solve the above-mentioned technical problem, the utility model proposes a kind of micro- resistance auto-measuring machines of DCR, it can be obviously improved Efficiency and quality stability are measured, the production of product, cost decline property, and homogeneity of product is lifted and is protected, can To intercept bad this station of inflow of a upper station, metric data can persistence, upload MES system.

What the technical solution of the utility model was realized in：

A kind of micro- resistance auto-measuring machines of DCR, including measurement unit, localization tool, measure carrier, four terminal measurement circuits, Drive mechanism and data acquisition processing system, the localization tool are included on positioning plate and positioning cover plate, the positioning plate Some installation positions for positioning product to be measured are formed with, product to be measured is placed in its corresponding installation position, and passes through institute Positioning cover plate is stated to be gripped；The measurement carrier includes lower measuring plate and upper measuring plate, the one of correspondence product to be measured Positioning is provided with positioning on two lower measurement probes, the upper measuring plate and above measured provided with two on individual micro- resistance, the lower measuring plate Probing pin, two lower measurement probes and two upper measurement probes are connected to described four as four contacts by wiring 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 Made electrical contact with product to be measured；The data acquisition processing system includes being used to gather the number that the four terminals measurement circuit is measured According to and handle data acquisition unit, for by the data acquisition unit processing after data carry out locally preserve or/and upload company 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 is 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 Set, its left and right ends is connected by sliding block with the left rail and the right slide, and the lower air cylinder passes through described Lower air cylinder plate is fixed on the inside of the top board, and its power output shaft in the middle part of the sliding panel with being fixedly connected.

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 wait measure product orientation when on the localization tool, the Quick Response Code is exposed to the side of the localization tool, described two Tieing up 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 regulation is directed at the governor motion of Quick Response Code on product to be measured, and the two-dimensional code scanning rifle is read 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 two lifting linking members arranged in a crossed manner, 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 a pivot is located；Every group of lifting A lifting linking member one end is hinged with the undersetting side in connecting rod, 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；The other end of a lifting linking member is slided by bearing pin and the resigning bar hole B and connected in every group of lifting linking member Connect, another lifting linking member other end is slidably connected by bearing pin with the resigning bar hole C；The upper bracket is close to being hinged An affixed loading plate on side, the two-dimensional code scanning rifle is installed on the loading plate, and the undersetting is installed on the amount On scaffold tower；The upper bracket is threaded with fastener on the side of bearing pin, and the precession fastener can drive the bearing pin Slided 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 also includes 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 fastener.

Further, four products to be measured are located in each localization tool, correspond to and wait to measure production described in four Product are provided with four two-dimensional code scanning rifles.

Further, the product to be measured is to have two on mobile fingerprint cover plate module, each mobile fingerprint cover plate module Micro- resistance that individual requirement is surveyed, two micro- electricity groups have two shared contacts.

Further, the positioning plate side is connected with the positioning cover plate side by axis of rotation, the positioning Base plate opposite side is snapped connection with the positioning cover plate opposite side by buckle structure.

Further, 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 it is described it is upper measure probe and it is described it is lower measure probe between wiring by being electrically connected Connect device and carry out grafting, needing to carry out resistance timing, described turn to measuring probe, the lower measurement probe and wiring on described 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 including to the drive mechanism, the two-dimensional code scanning device and the data acquisition process system The control system that system is controlled.

The beneficial effects of the utility model are：The utility model provides a kind of micro- resistance auto-measuring machines of DCR, passes through positioning Tool is realized to be gripped to some products to be measured, and is installed on measurement carrier by the positioning plate of localization tool Lower measuring plate on, realize the electric connection of the contact of lower measurement probe and product to be measured on lower measuring plate, passing through will The upper measuring plate for measuring carrier is installed in drive mechanism, and driving, which is realized, above and below drive mechanism drives upper measuring plate and thereon Upper measurement probe makes electrical contact with through positioning cover plate with product to be measured, so as to complete four measurement probes of four terminal measurement circuits With the electric connection of four contacts of micro- resistance on product to be measured, realize and micro- resistance is measured using four terminals measurement method The function of survey, the sub- measuring machine of the micro- resistance auto-measuring machine opposite ends of the DCR, test lead can be eliminated to greatest extent to measuring value Influence, accurate compensation wire and system internal resistance greatly improve accuracy in measurement.Localization tool and measure the design of carrier can one Secondary property measures multiple products to be measured, and can be obviously improved measurement efficiency and quality stability, lifts the production of product, cost With decline property, and homogeneity of product is protected.The result that four terminal measurement circuits are measured is acquired by data acquisition unit And handle, can be by metric data persistence, and MES system is uploaded, facilitate consumer remote to inquire about creation data at any time.Preferably , the micro- resistance auto-measuring machines of the DCR are integrated with two-dimensional code scanning device, including some two-dimensional code scanning rifles and realize Quick Response Code Scanner movement regulation is directed at the governor motion of Quick Response Code on product to be measured.So, can be with by setting two-dimensional code scanning rifle The Quick Response Code that product related information is included on product to be measured is read, to understand product related information, such as, can know that this is treated Whether at a upper station be NG product, if a upper station is NG product, the micro- resistance auto-measuring machines of DCR would not be measured if measuring product, is shown Show that device interface red can be pointed out, this station, and the resistance data and measurement knot measured are flowed into intercept the defective products of a upper station Fruit can be associated with product information, as the reference of the next stop or for inquiring about.

Brief description of the drawings

Fig. 1 is the utility model dimensional structure diagram；

Fig. 2 is the utility model data acquisition unit with measuring probe connection diagram up and down；

Fig. 3 is mplifying structure schematic diagram at A in Fig. 2；

Fig. 4 is the utility model drive mechanism, localization tool and measures carrier cooperation stereogram；

Fig. 5 is the utility model drive mechanism, localization tool and measures carrier cooperation lavatory figure；

Fig. 6 is the utility model drive mechanism, localization tool and measures carrier cooperation top view；

Fig. 7 is two-dimensional code scanning device and localization tool cooperation stereogram in the utility model；

Fig. 8 is two-dimensional code scanning device and localization tool cooperation side view in the utility model；

Fig. 9 is localization tool and product to be measured cooperation stereogram in the utility model；

Figure 10 is localization tool and product to be measured cooperation perspective view in the utility model；

Figure 11 is data acquisition unit and pinboard cooperation schematic diagram in the utility model；

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- measures carrier, Measured under measuring plate under 31-, 311- and probe, 33- wiring, 34- left-hand rotation joint chairs, 35- are measured on probe, the upper measuring plates of 32-, 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, On 72- governor motions, 721- upper brackets, 722- undersettings, 723- lifting linking members, 7231- resigning bar hole A, 724- pivots, 725- Regulating block under regulating block, 7251- resigning bars hole B, 726-, 7261- resigning bars hole C, 727- bearing pins, 728- loading plates, 729- is tight Firmware, 8- pinboards, 9- products to be measured, the micro- resistance of 91-, 92- Quick Response Codes.

Embodiment

In order to be more clearly understood that technology contents of the present utility model, described in detail especially exemplified by following examples, its mesh Be only that and be best understood from content of the present utility model and unrestricted protection domain of the present utility model.

As shown in Figure 1, Figure 2 and Figure 3, the micro- resistance auto-measuring machines of a kind 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, some installation positions for positioning product 9 to be measured are formed with the positioning plate, product to be measured is put In 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, positioning, which is provided with two, on the lower measuring plate measures spy On pin 311, the upper measuring plate positioning 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 Measure probe and may pass through the positioning plate and product to be measured electrical contact；The drive mechanism can drive the upper amount up and down Drafting board, to drive the upper measurement probe to be made electrical contact with through the positioning cover plate with product to be measured；The data acquisition process Data acquisition unit 51 that system includes being used for gathering the four terminals measurement circuit data measured and handle, for by the data Data after collector for processing carry out locally preserving or/and upload the computer or server 52 of company's MES system and for showing The display 53 of measurement.So, it can be realized by localization tool and some products to be measured are gripped, and passed through The positioning plate of localization tool is installed on the lower measuring plate for measuring carrier, and the lower measurement probe on lower measuring plate can be achieved with treating The electric connection of the contact of product is measured, by the way that 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 through positioning cover plate and product to be measured electrical contact, so as to complete The electric connection of four measurement probes of four terminal measurement circuits and four contacts of micro- resistance on product to be measured, so as to realize The function that method is measured to micro- resistance, the micro- resistance auto-measuring machine opposite end measurements of the DCR are measured using four terminals Machine, influence of the test lead to measuring value, accurate compensation wire and system internal resistance can be eliminated to greatest extent, makes 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, lifts the production of product, cost decline property, and homogeneity of product and is protected.Four terminals measure electricity The result that road is measured is acquired and handled by data acquisition unit, can be by metric data persistence, and uploads MES system, Consumer remote is facilitated to inquire about creation data at any time.

It is preferred that, 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 is laterally set, its left and right ends passes through sliding block and the left rail and described Right slide connection, the lower air cylinder is fixed on the inside of the top board by the lower air cylinder plate, its power output shaft With being fixedly connected in the middle part of the sliding panel.So, by lower air cylinder promote sliding panel, sliding panel on left and right rail on glide It is dynamic, it is possible to achieve upper measuring plate is driven above and below drive mechanism, to drive upper measurement probe through positioning cover plate and product to be measured The function of electrical contact.

It is preferred that, referring to Fig. 7 and Fig. 8, also including two-dimensional code scanning device 7, product to be measured, which is provided with, includes product The Quick Response Code 92 of information, some wait measuring product orientation when on the localization tool, the Quick Response Code is exposed to the positioning and controlled The side of tool, the two-dimensional code scanning device includes some two dimensions corresponding with product quantity to be measured on the localization tool Code scanner 71 and realize that two-dimensional code scanning rifle movement regulation is directed at the governor motion 72 of 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 setting two dimension Code scanner, can read the Quick Response Code that product related information is included on product to be measured, to understand product related information, than Such as, whether at a upper station be NG product, if a upper station is NG product if can know the product to be measured, the micro- resistance auto-measurings of DCR Machine would not be measured, and display interfaces red can be pointed out, and this station, and the electricity measured are flowed into intercept the defective products of a upper station Resistance data and measurement can be associated with product information, as the reference of the next stop or for inquiring about.

It is preferred that, referring to Fig. 7 and Fig. 8, the governor motion includes upper bracket 721, undersetting 722 and located at the lower branch At least two groups lifting linking members between seat and the upper bracket, every group of lifting linking member includes two lifting linking members arranged in a crossed manner 723, two lifting linking members are provided with resigning bar hole A7231, and two resigning bar hole A laps at crossover location and worn If a pivot 724 is located；A lifting linking member one end is hinged with the undersetting side in every group of lifting linking member, 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, there is resigning bar hole C7261 in the middle part of the lower regulating block；A lifting in every group of lifting linking member The other end of connecting rod is slidably connected by bearing pin 727 with the resigning bar hole B, another lifting linking member other end by bearing pin with The resigning bar hole C is slidably connected；The upper bracket affixed loading plate 728, the Quick Response Code on the side being hinged Scanner is installed on the loading plate, and the undersetting is installed on the measurement unit；The upper bracket close to bearing pin one Fastener 729 is threaded with side, the precession fastener can drive the bearing pin to be slided in the resigning bar hole B.So, Because lifting linking member one end is hinged with upper bracket or undersetting, the other end is slidably connected, and pivot is passed through in the middle part of two lifting linking members Axle coordinates with resigning bar hole A, realizes linkage function, i.e., by spinning in and out fastener (hand adjustment screw or screw), can drive Bearing pin is slided 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, so as to the function for the height for realizing Z-direction regulation two-dimensional code scanning rifle. In other embodiments, X-direction is also set to adjust the mechanism of two-dimensional code scanning rifle, during specific implementation, 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 can be designed to the inclined state of relative upper bracket, To facilitate two-dimensional code scanning rifle to scan product Quick Response Code to be measured.

It is preferred that, 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, with the measurement unit flush, the measurement carrier also includes left-hand rotation joint chair 34 and right-hand rotation connects 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 fastener On joint chair.So, a support can be carried out to localization tool by left-hand rotation joint chair and right-hand rotation joint chair, 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 measured Property.

It is preferred that, referring to Fig. 9 and Figure 10, four products to be measured, correspondence four are located in each localization tool The product to be measured is provided with four two-dimensional code scanning rifles.Four two-dimensional code scanning rifles can from left to right sweep four successively and treat The Quick Response Code of product is measured, to improve operating efficiency.It is preferred that, the product to be measured is mobile fingerprint cover plate module, each There is micro- resistance that two requirements are surveyed on mobile fingerprint cover plate module, two micro- electricity groups have 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.

It is preferred that, referring to Fig. 9 and Figure 10, the positioning plate side is connected with the positioning cover plate side by axis of rotation Connect, the positioning plate opposite side is snapped connection with the positioning cover plate opposite side by buckle structure 23.So, measuring Before, product to be measured is sequentially placed on the installation position of positioning plate, then going to positioning cover plate, and realized by buckle it is fixed Position cover plate and positioning plate are snapped connection, so that product to be measured is clamped, during specific implementation, positioning plate with calmly Raised or pit can be set according to shape of product to be measured on the cover plate of position, with more preferable spacing product to be measured.

It is preferred that, referring to Figure 11, provided with for carrying out electricity to the upper measurement probe, the lower measurement probe and its wiring Hinder the pinboard 8 of 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 to carry out resistance correction to measuring probe, the lower measurement probe and wiring 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. When upper measurement probe, the lower measurement probe and its wiring are using long, the impedance that influence measures accuracy can be produced, is passed through Setting pinboard can correct to the impedance, so as to improve the precision of measurement.

It is preferred that, also including to the drive mechanism, the two-dimensional code scanning device and the data acquisition processing system The control system being controlled.By setting 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 selections of the utility model DCR Device, 8 groups of resistance values of four products can be tested automatically simultaneously, and operation screen is succinct, and measuring accuracy is one thousandth ohm.

The operating method of the micro- resistance auto-measuring machines of the utility model DCR is as follows：

DCR micro- resistance is installed on computer and measures software, flow card number, product type, erect-position, member are inputted in starting-up interface The information such as work job number and this sequence impedance measurement, then, opens the positioning cover plate of localization tool, loads four after product is measured, Localization tool is installed on lower measuring plate, then, measurement is proceeded by by triggering key, now, lower air cylinder starts, and passes through cunning The dynamic dynamic upper measuring plate of strip is pressed on localization tool, i.e., the upper micro- resistance for measuring 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 it is NG product that upper station function, which is measured, board would not be measured, and display interfaces red can be pointed out, and upper station function, which is measured, is OK product, board log-on data collector is measured, and after 2 seconds, lower air cylinder is lifted, and display shows measurement result, And OK or NG can be pointed out, metric data locally can preserve and/or upload company's MES system, repeat action above.

To sum up, there is provided a kind of micro- resistance auto-measurings of DCR for the problem of the utility model is solved described in background technology Machine, has been obviously improved measurement efficiency and quality stability, improves the production of product, and one group can to measure four products 8 micro- 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 machines of the utility model DCR can be widely applied to test in the measurement of Minitype resistance, the machine Channel to channel adapter is put, 8 groups of resistance values can be tested automatically simultaneously, operation screen is succinct, measuring accuracy is one thousandth ohm.It can press It is required that the value of storage test is in specified path position.

Above example is that referring to the drawings, preferred embodiment of the present utility model is described in detail.The skill of this area Art personnel are by carrying out modification or change on various forms to above-described embodiment, but without departing substantially from substantive feelings of the present utility model Under condition, all fall within protection domain of the present utility model.

Claims (10)

1. a kind of micro- resistance auto-measuring machines 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) some installation positions for positioning product to be measured (9), the amount for the treatment of and positioning cover plate (22), are formed with the positioning plate Survey product to be placed in its corresponding installation position, and gripped by the positioning cover plate；Under the measurement carrier includes Position and set on measuring plate (31) and upper measuring plate (32), a micro- resistance (91) of correspondence product to be measured, the lower measuring plate There is positioning on two lower measurement probes (311), the upper measuring plate above to measure probes (321), two lower amounts provided with two Probing pin and two upper measurement probes are connected to the four terminals measurement circuit as four contacts by wiring (33)；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 includes being used to gather the data that the four terminals measurement circuit is measured and the data handled Collector (51), the electricity for the data after data acquisition unit processing locally preserve or/and upload to company's MES system Brain or server (52) and the display (53) for showing measurement.

2. the 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 includes 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 is 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 Laterally set, its left and right ends is connected by sliding block with the left rail and the right slide, 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 in the middle part of the sliding panel with being fixedly connected.

3. the 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 the two-dimensional code scanning rifle movement regulation pair The governor motion (72) of Quick Response Code on standard product to be measured, the data output that the two-dimensional code scanning rifle is read to the computer or Server and the display.

4. the micro- resistance auto-measuring machines of DCR according to claim 3, it is characterised in that：The governor motion includes upper branch Seat (721), undersetting (722) and at least two groups lifting linking members between the undersetting and the upper bracket, every group of liter Dropping connecting rod includes two lifting linking members (723) arranged in a crossed manner, and two lifting linking members are provided with resigning bar at crossover location Worn in hole A (7231), and two resigning bar hole A laps and a pivot (724) is located；One rises in every group of lifting linking member 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 The upper bracket opposite side face relative with the undersetting is stated provided with upper regulating block (725), has on this in the middle part of regulating block and steps down Bar hole B (7251), the undersetting opposite side face relative with the upper bracket is provided with lower regulating block (726), the lower regulation There is resigning bar hole C (7261) in the middle part of block；The other end of a lifting linking member passes through bearing pin (727) and institute in every group of lifting linking member State resigning bar hole B to be slidably connected, another lifting linking member other end is slidably connected by bearing pin with the resigning bar hole C；It is described Upper bracket affixed loading plate (728) on the side being hinged, the two-dimensional code scanning rifle is installed on the loading plate, The undersetting is installed on the measurement unit；The upper bracket is threaded with fastener (729) on the side of bearing pin, The precession fastener can drive the bearing pin to be slided in the resigning bar hole B.

5. the 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 left-hand rotation joint chair (34) and right-hand rotation joint chair (35), and the left-hand rotation joint chair and the right-hand rotation joint chair pass through fastener Interval is removably fixed on the lower measuring plate and the measurement unit, and the positioning plate two ends of the localization tool pass through fastening Part is removably fixed on the left-hand rotation joint chair and the right-hand rotation joint chair.

6. the micro- resistance auto-measuring machines of DCR according to claim 3, it is characterised in that：It is fixed in each localization tool There are four products to be measured position, and product to be measured is provided with four two-dimensional code scanning rifles described in correspondence four.

7. the micro- resistance auto-measuring machines of DCR according to claim 6, it is characterised in that：The product to be measured is mobile phone There is micro- resistance that two requirements are surveyed on fingerprint cover plate module, each mobile fingerprint cover plate module, two micro- electricity groups have two altogether Contact.

8. the 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. the micro- resistance auto-measuring machines of DCR according to claim 1, it is characterised in that：Provided with for the upper measurement Probe, it is described it is lower measure the pinboard (8) that probe and its wiring carry out resistance correction, the four terminals measurement circuit with it is described on Measure probe and the lower wiring measured between probe carries out grafting by electric connector, 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. the 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.