CN104155591A - Current calibration equipment and method for charge management ICs - Google Patents
Current calibration equipment and method for charge management ICs Download PDFInfo
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- CN104155591A CN104155591A CN201410332350.8A CN201410332350A CN104155591A CN 104155591 A CN104155591 A CN 104155591A CN 201410332350 A CN201410332350 A CN 201410332350A CN 104155591 A CN104155591 A CN 104155591A
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- charge management
- electric current
- calibration equipment
- testing
- current calibration
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Abstract
The invention provides current calibration equipment and a method for charge management ICs. The current calibration method of charge management IC comprises the following steps: setting a three-dimensional coordinate axis; defining plane coordinate values on every charge management ICs on testing clamp components and height coordinate values generated during rising and downward pressing a longitudinal cylinder, wherein a logic controller drives a transversal cylinder to move according to calculated space coordinate values and a certain intervals of speed and period until the most front row of the charge management ICs are positioned under testing needle components, and the longitudinal cylinder drives the testing needle components to be pressed downwards automatically and be in contact with testing points of the most front row of the charge management ICs sufficiently to calculate current precision signals of the charge management ICs with charging protection, then, the transversal cylinder moves continuously until the next row of the charge management ICs are positioned under the testing needle components; repeating the testing steps till all of the charge management ICs are tested. According to the testing manners, the stepping type and the multichannel type are adopted, so that the degree of automation of the testing equipment is improved, and the production cost and the operation labor intensity are lowered.
Description
Technical field
The present invention relates to a kind of calibration equipment and method, relate in particular to a kind of Charge Management IC electric current calibration equipment and method.
Background technology
At present, Charge Management IC is just applied more and more widely, the field that Charge Management IC relates to comprises charger, the new energy fields such as automobile storage battery and computing machine, and the market outlook that it is wide and considerable commercial value are significant the exploitation equipment using that matches with it.
It is existing that traditional what Charge Management IC was carried out to the method for electric current verification adopts is the mode that the manual fixture of single channel connects conducting product.Yet on the one hand, single pass checking mode makes product verification inefficiency, calibration equipment poor expandability, cannot be according to the actual conditions flexible configuration number of channels of product quantity; On the other hand, pure manual fixture connects the artificial manual adjustment of conducting product needed, and the loaded down with trivial details fallibility of operating process, is not easy to administering and maintaining of robotization.Therefore, the existing method that Charge Management IC is carried out to electric current verification exists poor expandability, very flexible, operating efficiency is low and be not easy to the defects such as intelligent management and maintenance.
Summary of the invention
The technical problem to be solved in the present invention is to provide equipment and the method that the verification of Charge Management IC electric current is realized on a kind of hyperchannel ground intelligently, to realize the high efficiency of Charge Management IC electric current verification and intelligent.
In order to address the above problem, the present invention proposes a kind of Charge Management IC electric current calibration equipment, and this equipment comprises: frame, be installed on driven unit in frame, testing needle assembly, test fixture assembly, test communication part and reference power supply; Described driven unit comprises that one is installed on longitudinal cylinder of upper rack setting downwards and the lateral cylinder that is horizontally installed in test fixture assembly below, and described testing needle assembly is installed on longitudinal cylinder piston boom end; Described test fixture assembly is horizontally installed in frame lower, for carrying a plurality of Charge Management IC that arrange with matrix queue form; Described longitudinal air cylinder driven testing needle assembly moves down with the test point of Charge Management IC on test fixture assembly and contacts; Described test communication part comprises a plurality of test boards that are provided with calibration checking circuit, for a plurality of Charge Management IC are calibrated to verification simultaneously; It is characterized in that, described Charge Management IC electric current calibration equipment also comprises: logic controller, this logic controller is connected with the driven unit communication in frame, for calculating each Charge Management IC position on planimetric coordinates, and the cylinder of controlling in vertical and horizontal direction according to the location track of the Charge Management IC calculating moves up and down respectively and moves forward and backward with some cycles and speed.
Preferably, described logic controller is also got marker assemblies ready and moves freely for controlling; The described marker assemblies of getting ready, for the position of the abnormal Charge Management IC of mark, informs that operating personnel's passage product is abnormal.
Preferably, described in, getting marker assemblies ready is the signal lamp can move freely.
Preferably, described Charge Management IC electric current calibration equipment also comprises and showing and analytic unit, for automatically demonstrate the relation Butut between electric current and voltage after testing current signal, show the curve distribution figure of current signal, and analyze the voltage-current characteristic of judging Charge Management IC.
Preferably, described Charge Management IC electric current calibration equipment also comprises that parameter arranges interface, for the voltage PV value that loads on Charge Management IC that equipment provides is set, whether upper lower limit value, delay value and the verification electric current of corresponding current selects information.
Preferably, described Charge Management IC electric current calibration equipment also comprises pattern transition components, for changing between parallel test mode and serial test according to actual needs.
Preferably, described Charge Management IC electric current calibration equipment also comprises passage selftest module, and for realizing passage self-checking function, identification is when state status and the interchannel situation of arranging of prepass.
In order to address the above problem, the present invention also proposes a kind of Charge Management IC electric current method of calibration, and the method comprises the following steps:
A. set 3D coordinate axis.
B. determine the planimetric coordinates value of each Charge Management IC on test fixture assembly and the height coordinate value that longitudinally cylinder rises and declines.
C. activation button, activation testing apparatus powers on.
D. order about lateral cylinder motion, so that the test fixture assembly that is positioned at lateral cylinder top moves with certain speed and the cycle Grid Track along the plane calculating.
E. the most front-seat Charge Management IC in location is under testing needle assembly, and longitudinal cylinder orders about testing needle assembly and automatically presses down, and fully contacts with the test point on Charge Management IC.
F. testing apparatus is ordered about and is supplied with voltage between Charge Management IC pin end, until Charge Management IC reaches charge protection state.
G. Charge Management IC electronic built-in switch disconnects, and testing apparatus calculates the current signal of current precision accurately.
H. longitudinally cylinder is upspring to certain altitude.
I. loop test steps d is to h, until test fixture assembly moves to the position at last row Charge Management IC place, and tests all Charge Management IC accordingly, test fixture assembly is reset to original position.
Preferably, in step a, determine that the concrete grammar of the planimetric coordinates value of each Charge Management IC on test fixture assembly is:
A1. locate the planimetric coordinates value of first row Charge Management IC.
A2. locate the planimetric coordinates value of last row's Charge Management IC.
A3. input the row of Charge Management IC, the planimetric coordinates value that the coordinate figure that logic controller calculates according to a1 and a2 step and this row calculate each Charge Management IC automatically.
Compared with prior art, the present invention has following advantage:
1) adopt logic controller to control slice, thin piece, control multiaxis running, realize the plane motion of test fixture assembly, testing needle assembly longitudinally operates and gets ready mark action, and three axles three-dimensional 3 maintenance and operations in implementation space are done.
2) adopt the pattern of loop test " Charge Management IC " current signal, the intelligent informationalized current signal curve of depicting current " Charge Management IC ", depict the distribution plan of " Charge Management IC " electric current and voltage, support to calculate CPK value and the distribution pattern of current precision.
3) adopt Intelligent Recognition tunneling traffic situation, effectively recognize that passage contacts the situation that powers on, prevent the anti-inserted wrong plug phenomenon of passage, effectively avoid the Quality Accident generation that makes mistakes and cause because getting plate.
4) backstage preserve electric current checking data to local storage and or server, can be so that quality be reviewed, attributional analysis, can provide date, data foundation for effectively solving quality abnormal.
5) situation of backstage record communication operation, records upper and lower computer communication and accepts the command signal record sending, just with deviser's investigation and analysis and following the trail of the unit exception in the situation that.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, in describing embodiment below, needed accompanying drawing is done simple introduction, apparently, the accompanying drawing the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is Charge Management IC electric current calibration equipment fundamental diagram of the present invention.
Fig. 2 is Charge Management IC electric current calibration equipment pictorial diagram of the present invention.
Fig. 3 is Charge Management IC testing needle component drawings of the present invention.
Fig. 4 is Charge Management IC test fixture component drawings of the present invention.
Embodiment
Below by embodiment, by reference to the accompanying drawings technical scheme of the present invention is carried out to clear, complete description; obviously; described embodiment is only a part of embodiment of the present invention; rather than whole embodiment; based on embodiments of the invention; those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
For example, suppose to complete the test of 80 Charge Management IC, selected Mitsubishi PLC is as logic controller, and its method of calibration step is:
A. set 3D coordinate axis.
Referring to Fig. 2 and Fig. 4, take frame bottom is initial point, longitudinally the direction at cylinder place is Z axis, the direction at the lateral cylinder place of test fixture assembly place plane is Y-axis, test fixture assembly be X-axis with the perpendicular direction of lateral cylinder direction in the plane, Charge Management IC product is to arrange by the X-direction in space, and wherein as X-axis one row has 4 products, and Y direction is placed with 20 scheduling product.
B. determine coordinate figure.
Determine the Y-axis of each Charge Management IC product on test fixture assembly and the height coordinate value of X-axis coordinate figure and the rise of Z-direction upper cylinder and decline, wherein determine that the Y-axis of each Charge Management IC product and the method for X-axis coordinate figure are:
B1. locate Y-axis and the X-axis coordinate figure of first row Charge Management IC product.
B2. locate Y-axis and the X-axis coordinate figure of last row's Charge Management IC product.
B3. input the row of Charge Management IC, Y-axis and X-axis coordinate figure that the coordinate figure that Rhizoma Sparganii PLC calculates according to b1 and b2 step and this row calculate each Charge Management IC product automatically.
C. activation button, activation testing apparatus powers on.
D. order about lateral cylinder motion.
Mitsubishi PLC is determined speed and the cycle of lateral cylinder motion according to the Y-axis coordinate figure between every two scheduling product, the test fixture assembly of controlling lateral cylinder top moves in Y direction with certain speed and cycle.
E. product test.
On test fixture assembly the most front-seat test products move to testing needle assembly under time lateral cylinder stop motion, longitudinal cylinder of Z-direction orders about testing needle assembly and automatically presses down, testing needle assembly on Z axis is fully contacted and in abundant conducting state with test point on the most front-seat Charge Management IC, and to testing apparatus, send Z axis and press down the induced signal putting in place.
F. test products is charged.
Testing apparatus receives and presses down after the induced signal putting in place, orders about and supplies with voltage between Charge Management IC pin end, and after product loading activation is stable, the form intelligence cumulative with stepping regulates electric current to inculcate, until Charge Management IC reaches charge protection state.
G. calculate current precision.
Charge Management IC electronic built-in switch disconnects, and testing apparatus, according to the conversion pattern of 64, calculates current precision signal accurately.
H. the testing needle assembly that transmitted signal is ordered about in Z-direction is upspring to certain altitude, and lateral cylinder continues to order about test fixture assembly according to the Grid Track motion in the XY plane calculating.
I. loop test.
Loop test step e to h, until test fixture assembly moves to the position at last row Charge Management IC place, and tests product accordingly, test fixture assembly is reset to original position.
Testing current equipment provided by the present invention and method can realize the high efficiency of Charge Management IC testing current and intelligent, adopt the mode of step-by-step movement and multi-channel type to make the disposable Charge Management IC that can test One's name is legion of testing apparatus, improve the automaticity of testing apparatus, reduced production cost and operation labor intensity and operating personnel's quantity.
The above embodiment has only expressed preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a Charge Management IC electric current calibration equipment, this equipment comprises: frame, be installed on driven unit, testing needle assembly, test fixture assembly, test communication part and reference power supply in frame;
Described driven unit comprises the lateral cylinder that is installed on the downward longitudinal cylinder arranging of upper rack and is horizontally installed in test fixture assembly below, and described testing needle assembly is installed on longitudinal cylinder piston boom end; Described test fixture assembly is horizontally installed in frame lower, for carrying a plurality of Charge Management IC that arrange with matrix queue form; Described longitudinal air cylinder driven testing needle assembly moves down with the test point of Charge Management IC on test fixture assembly and contacts; Described test communication part is for calibrate verification to a plurality of Charge Management IC simultaneously;
It is characterized in that, described Charge Management IC electric current calibration equipment also comprises:
Logic controller, this logic controller is connected with the driven unit communication in frame, for calculating each Charge Management IC position on planimetric coordinates, and according to the location track of the Charge Management IC calculating, control longitudinal cylinder and with some cycles and speed, move up and down respectively and control lateral cylinder and move forward and backward with some cycles and speed.
2. Charge Management IC electric current calibration equipment as claimed in claim 1, is characterized in that, described logic controller is also got marker assemblies ready for control and moved freely; The described marker assemblies of getting ready, for the position of the abnormal Charge Management IC of mark, informs that operating personnel's passage product is abnormal.
3. Charge Management IC electric current calibration equipment as claimed in claim 2, is characterized in that, described in to get marker assemblies ready be the signal lamp can move freely.
4. Charge Management IC electric current calibration equipment as claimed in claim 1, it is characterized in that, described Charge Management IC electric current calibration equipment also comprises and showing and analytic unit, for automatically demonstrate the relation Butut between electric current and voltage after testing current signal, the curve distribution figure that shows current signal, and analyze the voltage-current characteristic of judging Charge Management IC.
5. Charge Management IC electric current calibration equipment as claimed in claim 1, it is characterized in that, described Charge Management IC electric current calibration equipment also comprises that parameter arranges interface, for the voltage PV value that loads on Charge Management IC that equipment provides is set, whether upper lower limit value, delay value and the verification electric current of corresponding current selects information.
6. Charge Management IC electric current calibration equipment as claimed in claim 1, is characterized in that, described Charge Management IC electric current calibration equipment also comprises pattern transition components, for changing between parallel test mode and serial test according to actual needs.
7. Charge Management IC electric current calibration equipment as claimed in claim 1, it is characterized in that, described Charge Management IC electric current calibration equipment also comprises passage selftest module, and for realizing passage self-checking function, identification is when state status and the interchannel situation of arranging of prepass.
8. right to use requires the method that the arbitrary described Charge Management IC electric current calibration equipment of 1-7 carries out electric current verification, it is characterized in that, comprises the following steps:
A. set 3D coordinate axis;
B. determine the planimetric coordinates value of each Charge Management IC on test fixture assembly and the height coordinate value that longitudinally cylinder rises and declines;
C. activation button, activation testing apparatus powers on;
D. order about lateral cylinder motion, so that the test fixture assembly that is positioned at lateral cylinder top moves with certain speed and the cycle Grid Track along the plane calculating;
E. the most front-seat Charge Management IC in location is under testing needle assembly, and longitudinal cylinder orders about testing needle assembly and automatically presses down, and fully contacts with the test point on Charge Management IC;
F. testing apparatus is ordered about and is supplied with voltage between Charge Management IC pin end, until Charge Management IC reaches charge protection state;
G. Charge Management IC electronic built-in switch disconnects, and testing apparatus calculates the current signal of current precision accurately;
H. ordering about longitudinal cylinder upsprings to certain altitude;
I. loop test steps d is to h, until test fixture assembly moves to the position at last row Charge Management IC place, and tests all Charge Management IC accordingly, test fixture assembly is reset to original position.
9. the application process of Charge Management IC electric current calibration equipment as claimed in claim 8, is characterized in that, in described step b, determines that the concrete grammar of the planimetric coordinates value of each Charge Management IC on test fixture assembly is:
B1. locate the planimetric coordinates value of first row Charge Management IC;
B2. locate the planimetric coordinates value of last row's Charge Management IC;
B3. input the row of Charge Management IC, the planimetric coordinates value that the coordinate figure that logic controller calculates according to a1 and a2 step and this row calculate each Charge Management IC automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410332350.8A CN104155591A (en) | 2014-07-14 | 2014-07-14 | Current calibration equipment and method for charge management ICs |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410332350.8A CN104155591A (en) | 2014-07-14 | 2014-07-14 | Current calibration equipment and method for charge management ICs |
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| CN201410332350.8A Pending CN104155591A (en) | 2014-07-14 | 2014-07-14 | Current calibration equipment and method for charge management ICs |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264936A (en) * | 2021-12-28 | 2022-04-01 | 苏州日月新半导体有限公司 | Integrated circuit testing method and integrated circuit testing system |
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Application publication date: 20141119 |
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