CN209043998U - A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor - Google Patents

A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor Download PDF

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Publication number
CN209043998U
CN209043998U CN201821352707.9U CN201821352707U CN209043998U CN 209043998 U CN209043998 U CN 209043998U CN 201821352707 U CN201821352707 U CN 201821352707U CN 209043998 U CN209043998 U CN 209043998U
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China
Prior art keywords
mechanical arm
test
pedestal
transmission line
turntable
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Expired - Fee Related
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CN201821352707.9U
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Chinese (zh)
Inventor
彭承友
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Shenzhen Mingshi Kang Electronics Co Ltd
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Shenzhen Mingshi Kang Electronics Co Ltd
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Abstract

The utility model discloses a kind of high-accuracy test equipments of Full-automatic electrolytic capacitor, including pedestal, turntable, testboard, circuit board, computer, transmission line, temperature sensor, air conditioner and mechanical arm, base top is rotatably connected to shaft, shaft upper end is fixedly connected with turntable, turntable outer wall is fixedly connected there are four equally distributed testboard, it is provided with circuit board at the top of testboard, four side of turntable is provided with mechanical arm;Base right side is fixedly installed with transmission line, and transmission line surface is provided with transfer station;Cloche and computer are provided at the top of pedestal, cloche left side wall has been provided with air conditioner and temperature sensor;Automatically accurate test installation is completed by transmission line and feeding mechanical arm;Capacitor is measured by turntable testboard and circuit board fast and easy, avoids frequent dismounting when test capacitors;Different test temperatures is adjusted by air conditioner and temperature sensor, test is comprehensively accurate;The utility model is easy to operate practical.

Description

A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor
Technical field
The utility model relates to electrolytic capacitor the field of test technology, specifically a kind of high-precision density test of Full-automatic electrolytic capacitor Equipment.
Background technique
Electrolytic capacitor, which refers to, generates a thin layer oxidation using anodizing on the surface of the valve metals such as aluminium, tantalum, niobium, titanium Object is as dielectric, the capacitor constituted using electrolyte as cathode.The anode of electrolytic capacitor generally use etched foil or Person's powder sintering block structure, the capacity for being mainly characterized by unit area is very high, there is other classes in terms of small-size high-capacity The unrivaled advantage of capacitor;The electrolytic capacitor of industrialized production is mainly aluminium electrolutic capacitor and tantalum electrolytic capacitor at present Device.Aluminium electrolutic capacitor is based on foil anode, electrolysis propulsive cathode, and appearance is with cylindrical in the majority;Tantalum electrolytic capacitor is using burning Agglomerate anode, and cathode uses semiconductor material manganese dioxide, and shape is mostly chip, is adapted to the SMD of SMT technical need.
Electrolytic capacitor is being installed to electrical, electronic equipment before use, needing to utilize a variety of different capacitance measuring testers pair The electrical characteristics such as capacitor's capacity, capacity loss angle, leakage current and the carrier current of capacitor are tested, existing test equipment Big multipair capacitor different electrical characteristic needs repeatedly to load and unload manually when being tested to be fixed on different testboards, not only It is time-consuming and laborious, it is also possible to load and unload the positive and negative anodes pin that number excessively damages capacitor, and the electrical characteristic meeting of capacitor can It can change with different test temperatures, influence the accurate and reliability of test result;Therefore, those skilled in the art provide A kind of Full-automatic electrolytic capacitor high-accuracy test equipment, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of high-accuracy test equipments of Full-automatic electrolytic capacitor, to solve above-mentioned back The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor, including pedestal, turntable and testboard, the base top It is rotatably connected to shaft, is provided with Geneva mechanism in the middle part of shaft, the output shaft of active turntable and driving motor in Geneva mechanism It is connected by flat key, driving motor is fixedly mounted on base top, and shaft upper end is fixedly connected with turntable, and turntable outer wall is solid There are four equally distributed testboard, testboard upper surface is symmetrically arranged with several socle jacks for fixed connection, sets at the top of testboard It is equipped with circuit board;It is fixedly installed with feeding mechanical arm on the right side of the base top, is provided with several test machines on rear side of base top Tool arm, the end of test mechanical arm are provided with test splice, the first blanking mechanical arm and time charging tray are provided on the left of base top, The second blanking mechanical arm and blanking tray are provided on front side of base top;The base right side is fixedly installed with transmission line, transmission line Surface is provided with several equally distributed transfer stations, and there are two vertical holes for the setting of transfer station upper surface, and transmission line side is provided with Servo motor, the output shaft and transmission line of servo motor are sequentially connected, and transmission line right end is mounted in external means of support;It is described Cloche is provided at the top of pedestal, the right side of cloche is provided with notch, and transmission line right end runs through the notch on the right side of cloche, Outer wall is fixedly installed with air conditioner on the left of cloche, and cloche inner left wall is provided with temperature sensor;The base upper surface Left side is provided with the computer with display.
As a further solution of the present invention: the circuit board bottom symmetrical is fixedly connected with several socles, socle It is plugged in socle jack, circuit board upper surface middle part is fixedly connected with capacitance fixing device, and capacitance fixing device upper surface is provided with Two metal jacks, two metal jacks one deep one are shallow, and circuit board upper surface is provided with several pairs of hard contact, and each pair of two A hard contact is electrically connected with metal jack respectively.
The Geneva mechanism includes active turntable and driven sheave as a further solution of the present invention, driven Sheave is fixedly connected with shaft, and driven sheave radially opens the output of active turntable and driving motor there are four symmetrical race End is fixedly connected, and active turntable bottom is radially secure to be connected with pivoted arm, and pivoted arm outer end is fixedly connected with straight pin, straight pin with Race adaptation.
The temperature sensor model HM100 as a further solution of the present invention,.
The transmission line is flat-top chain transmission line as a further solution of the present invention,.
The computer is industrial grade standard, computer and air conditioner, temperature as a further solution of the present invention, Spend sensor, driving motor, servo motor, feeding mechanical arm, test mechanical arm, the first blanking mechanical arm, the second blanking mechanical Arm is electrically connected.
The capacitor of several different test items is provided in the pedestal as a further solution of the present invention, Tester, several test mechanical arms end that the capacitor testing instrument of each difference test item is arranged with pedestal rear side respectively Test splice is electrically connected, and capacitor testing instrument and computer are electrically connected.
Compared with prior art, the utility model has the beneficial effects that
The utility model designs rationally in structure, uses easy to operate, and practicability is very high, passes through transmission line Automatically accurate test installation is completed with feeding mechanical arm;Capacitor is measured by turntable testboard and circuit board fast and easy Device avoids frequent dismounting when test capacitors;Different test temperatures is adjusted by air conditioner and temperature sensor, is tested It is comprehensively accurate reliable;The utility model is easy to operate practical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the high-accuracy test equipment of Full-automatic electrolytic capacitor.
Fig. 2 is a kind of front view of the high-accuracy test equipment of Full-automatic electrolytic capacitor.
Fig. 3 is the structural schematic diagram of testboard in a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor.
Fig. 4 is the main view of circuit board in a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor.
Fig. 5 is the top view of circuit board in a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor.
Fig. 6 is the structural schematic diagram of Geneva mechanism in a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor.
In figure: 1- pedestal, 2- turntable, 3- testboard, 301- socle jack, 4- circuit board, 401- capacitance fixing device, 402- hard contact, 403- metal jack, 404- socle, 5- cloche, 6- feeding mechanical arm, 7- test mechanical arm, 8- first Blanking mechanical arm, 9- charging tray, the second blanking mechanical of 10- arm, 11- blanking tray, 12- computer, 13- transmission line, 14- transmission Platform, 15- servo motor, 16- temperature sensor, 17- air conditioner, 18- Geneva mechanism, 181- driven sheave, 182- active turntable, 183- pivoted arm, 184- straight pin, 185- race, 19- shaft, 20- driving motor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Please refer to Fig. 1~6, in the utility model embodiment, a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor, including Pedestal 1, turntable 2 and testboard 3 are rotatably connected to shaft 19 at the top of the pedestal 1, are provided with Geneva mechanism in the middle part of shaft 19 18, the active turntable 182 in Geneva mechanism 18 is connect with the output shaft of driving motor 20 by flat key, the fixed peace of driving motor 20 Mounted in the top of pedestal 1,19 upper end of shaft is fixedly connected with turntable 2, and 2 outer wall of turntable is fixedly connected with that there are four equally distributed Testboard 3,3 upper surface of testboard are symmetrically arranged with several socle jacks 301, are provided with circuit board 4 at the top of testboard 3;It is described 1 top right side of pedestal is fixedly installed with feeding mechanical arm 6, and 1 top rear of pedestal is provided with several test mechanical arms 7, test machine The end of tool arm 7 is provided with test splice, and 1 top left side of pedestal is provided with the first blanking mechanical arm 8 and time charging tray 9, and pedestal 1 pushes up The second blanking mechanical arm 10 and blanking tray 11 are provided on front side of portion;Transmission line 13, transmission line are fixedly installed on the right side of the pedestal 1 13 surfaces are provided with several equally distributed transfer stations 14, and there are two vertical holes, transmission lines 13 1 for the setting of 14 upper surface of transfer station Side is provided with servo motor 15, and the output shaft and transmission line 13 of servo motor 15 are sequentially connected, and 13 right end of transmission line is mounted on outer In portion's support device;The top of the pedestal 1 is provided with cloche 5, and the right side of cloche 5 is provided with notch, and transmission line 13 is right Notch of the end on the right side of cloche 5,5 left side outer wall of cloche are fixedly installed with air conditioner 17, the setting of 5 inner left wall of cloche There is temperature sensor 16;The computer 12 with display is provided on the left of 1 upper surface of pedestal;
4 bottom symmetrical of circuit board is fixedly connected with several socles 404, and socle 404 is plugged in socle jack 301, 4 upper surface middle part of circuit board is fixedly connected with capacitance fixing device 401, and there are two metals to insert for the setting of 401 upper surface of capacitance fixing device Hole 403, two metal jacks 403 1 deep one are shallow, and 4 upper surface of circuit board is provided with several pairs of hard contact 402, and each pair of two A hard contact 402 is electrically connected with metal jack 403 respectively, and the positive and negative electrode pin of tested capacitor is plugged on respectively In two metal jacks 403;
The Geneva mechanism 18 includes active turntable 182 and driven sheave 181, and driven sheave 181 and shaft 19, which are fixed, to be connected It connects, driven sheave 181 is radially opened there are four symmetrical race 185, and active turntable 182 and the output end of driving motor 20 are fixed Connection, 182 bottom of active turntable is radially secure to be connected with pivoted arm 183, and 183 outer end of pivoted arm is fixedly connected with straight pin 184, circle Pin 184 is adapted to race 185;
The temperature sensor model HM100;
The transmission line 13 is flat-top chain transmission line;
The computer 12 is industrial grade standard, computer 12 and air conditioner 17, temperature sensor 16, driving motor 20, Servo motor 15, feeding mechanical arm 6, test mechanical arm 7, the first blanking mechanical arm 8, the second blanking mechanical arm 10 are electrically connected;
The capacitor testing instrument of several different test items, the electricity of each difference test item are provided in the pedestal 1 Container tester is electrically connected with the test splice for several 7 ends of test mechanical arm being arranged on rear side of pedestal 1 respectively, and capacitor is surveyed It tries instrument and computer 12 is electrically connected;The capacitor testing instrument be it is existing on the market, structure and principle are this field It is known, including capacitance measuring tester, leakage current tester and ripple tester etc., it can complete to hold the capacitor of electrolytic capacitor The test of the electric properties such as value, capacity loss angle, leakage current and carrier current.
The working principle of the utility model is:
The utility model relates to a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor, when work, 14 upper surface of transfer station With the positive and negative electrode pin grafting of testing capacitor in two vertical holes being arranged, the control servo motor 15 of computer 12, which drives, to be passed Line sending 13 moves, and when transfer station 14 moves at feeding manipulator arm 6, computer 12 controls servo motor 15 and suspends, feeder Tool arm 6 is the upper side for being moved adjacent to turntable 2 after the testing capacitor clamping in transfer station 14, simultaneous computer 12 It controls driving motor 20 and the rotated ninety degrees counterclockwise of turntable 2 is driven by Geneva mechanism 18 and shaft 19, so that 3 He of testboard Circuit board 4 on this testboard 3 is gone at feeding mechanical arm 6, positive and negative electrode pin point of the feeding mechanical arm 6 testing capacitor Grafting not corresponding with two shallow metal jacks 403 of one deep one on circuit board 4, is fixed on capacitance fixing device 401 for capacitor On, the automatic fixed installation of test is completed, accurate test of the follow-up test mechanical arm 7 to testing capacitor is facilitated;Then rotation Platform 2 again rotated ninety degrees counterclockwise when testboard 3 reach test mechanical arm 7 at, computer 12 controls each test mechanical arm 7 It is tested by a pair of of the capacitor of sequence one as defined in advance, when test need to only make the survey of each 7 end of test mechanical arm setting Try head and each pair of hard contact 405 of the corresponding position on circuit board 4 it is in electrical contact, so that it may allow capacitor testing in pedestal 1 Instrument completes the test to capacitor respective item, directly in electrical contact without the positive and negative electrode pin to capacitor, easy to operate Quickly;After the completion of the test of each project of capacitor, the corresponding capacitor testing instrument in pedestal 1 can feed back test result It is recorded to computer 12 as a result, computer 12 can show over the display test data and determine whether qualification automatically, is owned After the completion of test item, computer 12 will continue to control turntable 2 and rotate tens degree, and testboard 3 is made to move to the first blanking machine At tool arm 8, if the capacitor testing on the testboard 3 is unqualified, computer 12 controls the first blanking mechanical arm 18 from circuit board 4 Upper clamping capacitor is put into time charging tray 9, if the capacitor testing is qualified, is not processed;Turntable 2 rotates again later 90 degree so that testboard 3 moves to the second blanking mechanical arm 10, the second blanking mechanical arm 10 can be by the capacitor of test passes Clamping is put into blanking tray 11, if not having qualified capacitor on the testboard 3, the second blanking mechanical arm 10 is not processed;It Computer 12 controls 2 rotated ninety degrees of turntable again afterwards, is re-moved to the testboard 3 at feeding mechanical arm 6, in waiting New testing capacitor is plugged on the circuit board 4 on the testboard 3 by material mechanical arm 6, carries out subsequent test, stroke follows Ring, the mechanical arm in this cyclic process around turntable 2 are in working condition, i.e. corresponding four stations of four testboards It is in working condition, test is automatic quick;When test mechanical arm 7 is tested, the electrical characteristic of capacitor may be with temperature The variation of degree and change, it is necessary to test capacitors at different temperatures electrical characteristic variation and reaction, i.e., to capacitor Temperature characteristic measuring, therefore temperature sensor 16 measures the temperature of the test environment in cloche 5 and temperature signal is fed back to Computer 12, computer 12 adjust the test environment temperature in cloche 5 according to control air conditioner 17 work of the signal of feedback, The test mechanical arm 7 made at different temperature measures the electrical characteristic of capacitor, and the capacitor in pedestal 1 is allowed to survey Test data is fed back to computer 12 and recorded by examination instrument, and computer 12 is special according to the temperature that these data analyze to obtain capacitor Property, to keep the test to capacitor more comprehensively accurate;The utility model is completed certainly by transmission line 13 and feeding mechanical arm 6 Dynamic accurate test installation accelerates test by 2 testboard 3 of turntable and circuit board 4 and avoids fast and easy measurement capacitor Device, avoids frequent dismounting when test capacitors, adjusts different test temperatures by air conditioner 17 and temperature sensor 16, Test is comprehensively accurate reliable, easy to operate practical.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of high-accuracy test equipment of Full-automatic electrolytic capacitor, including pedestal (1), turntable (2) and testboard (3), special Sign is, is rotatably connected to shaft (19) at the top of the pedestal (1), is provided with Geneva mechanism (18), (18) in the middle part of shaft (19) In active turntable (182) connect with the output shaft of driving motor (20) by flat key, driving motor (20) is fixedly mounted on bottom At the top of seat (1), shaft (19) upper end is fixedly connected with turntable (2), and turntable (2) outer wall is fixedly connected with that there are four be uniformly distributed Testboard (3), testboard (3) upper surface is symmetrically arranged with several socle jacks (301), is provided with electricity at the top of testboard (3) Road plate (4);Pedestal (1) top right side is fixedly installed with feeding mechanical arm (6), and pedestal (1) top rear is provided with several Test mechanical arm (7), the end of test mechanical arm (7) are provided with test splice, and pedestal (1) top left side is provided with the first blanking Mechanical arm (8) and time charging tray (9), pedestal (1) top front side are provided with the second blanking mechanical arm (10) and blanking tray (11);It is described It being fixedly installed with transmission line (13) on the right side of pedestal (1), transmission line (13) surface is provided with several equally distributed transfer stations (14), There are two vertical holes for the setting of transfer station (14) upper surface, and transmission line (13) side is provided with servo motor (15), servo motor (15) output shaft and transmission line (13) is sequentially connected, and transmission line (13) right end is mounted in external means of support;The pedestal (1) it is provided at the top of cloche (5), the right side of cloche (5) is provided with notch, and transmission line (13) right end runs through cloche (5) notch on the right side of, cloche (5) left side outer wall are fixedly installed with air conditioner (17), and cloche (5) inner left wall is provided with temperature It spends sensor (16);The computer (12) with display is provided on the left of pedestal (1) upper surface.
2. the high-accuracy test equipment of a kind of Full-automatic electrolytic capacitor according to claim 1, which is characterized in that the circuit Plate (4) bottom symmetrical is fixedly connected with several socles (404), and socle (404) is plugged in socle jack (301), circuit board (4) Upper surface middle part is fixedly connected with capacitance fixing device (401), and there are two metal jacks for the setting of capacitance fixing device (401) upper surface (403), two metal jacks (403) one deep one are shallow, and circuit board (4) upper surface is provided with several pairs of hard contact (402), often Pair two hard contacts (402) respectively with metal jack (403) be electrically connected.
3. the high-accuracy test equipment of a kind of Full-automatic electrolytic capacitor according to claim 1, which is characterized in that the sheave Mechanism (18) includes active turntable (182) and driven sheave (181), and driven sheave (181) is fixedly connected with shaft (19), driven Sheave (181) is radially opened there are four symmetrical race (185), and active turntable (182) and the output end of driving motor (20) are logical Flat key connection is crossed, active turntable (182) bottom is radially secure to be connected with pivoted arm (183), and pivoted arm (183) outer end is fixedly connected with Straight pin (184), straight pin (184) are adapted to race (185).
4. the high-accuracy test equipment of a kind of Full-automatic electrolytic capacitor according to claim 1, which is characterized in that the temperature Sensor model number is HM100.
5. the high-accuracy test equipment of a kind of Full-automatic electrolytic capacitor according to claim 1, which is characterized in that the transmission Line (13) is flat-top chain transmission line.
6. the high-accuracy test equipment of a kind of Full-automatic electrolytic capacitor according to claim 1, which is characterized in that the calculating Machine (12) is industrial grade standard, computer (12) and air conditioner (17), temperature sensor (16), driving motor (20), servo electricity Machine (15), feeding mechanical arm (6), test mechanical arm (7), the first blanking mechanical arm (8), the second blanking mechanical arm (10) electrically connect It connects.
7. the high-accuracy test equipment of a kind of Full-automatic electrolytic capacitor according to claim 1, which is characterized in that the pedestal (1) the capacitor testing instrument of several different test items, the capacitor testing instrument difference of each difference test item are provided in It is electrically connected with the test splice for several test mechanical arm (7) ends being arranged on rear side of pedestal (1), capacitor testing instrument and calculating Machine (12) is electrically connected.
CN201821352707.9U 2018-08-22 2018-08-22 A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor Expired - Fee Related CN209043998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821352707.9U CN209043998U (en) 2018-08-22 2018-08-22 A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor

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Application Number Priority Date Filing Date Title
CN201821352707.9U CN209043998U (en) 2018-08-22 2018-08-22 A kind of high-accuracy test equipment of Full-automatic electrolytic capacitor

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CN209043998U true CN209043998U (en) 2019-06-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112963953A (en) * 2021-03-23 2021-06-15 杭州职业技术学院 Air conditioner installation and debugging simulation regulator
CN115128347A (en) * 2022-05-18 2022-09-30 珠海成镐电子有限公司 Automatic capacitance test equipment and automatic capacitance test method
CN116539997A (en) * 2023-05-26 2023-08-04 南通南铭电子有限公司 Capacitor outgoing line detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112963953A (en) * 2021-03-23 2021-06-15 杭州职业技术学院 Air conditioner installation and debugging simulation regulator
CN112963953B (en) * 2021-03-23 2022-03-18 杭州职业技术学院 Air conditioner installation and debugging simulation regulator
CN115128347A (en) * 2022-05-18 2022-09-30 珠海成镐电子有限公司 Automatic capacitance test equipment and automatic capacitance test method
CN116539997A (en) * 2023-05-26 2023-08-04 南通南铭电子有限公司 Capacitor outgoing line detection device
CN116539997B (en) * 2023-05-26 2024-06-04 南通南铭电子有限公司 Capacitor outgoing line detection device

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Granted publication date: 20190628