CN203929909U - Transformer voltage-withstand test mechanism - Google Patents

Transformer voltage-withstand test mechanism Download PDF

Info

Publication number
CN203929909U
CN203929909U CN201320891515.6U CN201320891515U CN203929909U CN 203929909 U CN203929909 U CN 203929909U CN 201320891515 U CN201320891515 U CN 201320891515U CN 203929909 U CN203929909 U CN 203929909U
Authority
CN
China
Prior art keywords
test
voltage
withstand
board
transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320891515.6U
Other languages
Chinese (zh)
Inventor
邓志谊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUHAI KANGDING ELECTRONIC CO Ltd
Original Assignee
ZHUHAI KANGDING ELECTRONIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHUHAI KANGDING ELECTRONIC CO Ltd filed Critical ZHUHAI KANGDING ELECTRONIC CO Ltd
Priority to CN201320891515.6U priority Critical patent/CN203929909U/en
Application granted granted Critical
Publication of CN203929909U publication Critical patent/CN203929909U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model disclose and provide a kind of simple in structure, can be simultaneously to multiple transformers and the transformer voltage-withstand test mechanism that can test different model transformer.The utility model is in the time of voltage-withstand test, design brand-new voltage-withstand test head, according to the test fingers number on transformer to be measured, voltage-withstand test pin number on voltage-withstand test head is set, by the cooperation of test board, stepper motor and screw mandrel, form testing needle apart from adjustable to adapt to the test of low-frequency transformer of various different models, thereby widened the test specification of the utility model test machine.The utility model can be applicable to device for testing transformers field.

Description

Transformer voltage-withstand test mechanism
Technical field
The utility model relates to a kind of mechanism for testing, relates in particular to a kind of transformer voltage-withstand test mechanism.
Background technology
The electrical measurement conventional project of low-frequency transformer comprises no-load current, open circuit loss, no-load voltage, load voltage, load current, power factor, insulation resistance etc., carrying out in above project testing, each transformer manufacturing plant commercial city is to adopt the frock of customization that winding and region of interest are connected with surveying instrument at present, because transformer is of a great variety, winding and lead-out mode and package dimension are different from the technical requirement of transformer itself, make each project of every kind of transformer need to formulate specially normally use of frock clamp, so, not only frock making consumes huge, simultaneously in some special item, also need frequently to change tool according to technical requirement, thereby testing efficiency is reduced greatly, cost of labor increases indirectly.
Moreover, the omnidistance manual operations of frock p-wire technique now, human factor is outstanding, exist and fail to judge and the risk of misjudging, and client is strict to transformer quality requirements now, and how effectively avoiding faulty goods to flow out has been that each transformer manufacturer continues the problem solving!
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, can be simultaneously to multiple transformers and the transformer voltage-withstand test mechanism that can test different model transformer.
The technical scheme that the utility model adopts is: the utility model comprises the voltage-withstand test head of several marshallings, described voltage-withstand test head is made up of some voltage-withstand test pins, described voltage-withstand test pin is connected with peripheral high-tension electricity, the number of voltage-withstand test pin on each described voltage-withstand test head and the test fingers number of each transformer to be measured is consistent and distributing position and the to be measured transformer of voltage-withstand test pin on described voltage-withstand test head on test fingers distributing position consistent, on all described voltage-withstand test heads, the voltage-withstand test pin at same position place is all fixedly installed on same test board, the number of described test board is consistent with the number of the voltage-withstand test pin on each described voltage-withstand test head, described in each, test board is connected with screw mandrel, described in each, screw mandrel is driven and is rotated by a stepper motor, described in each, test board drives mobile by described screw mandrel, described stepper motor makes described screw mandrel drive described test board to move, so that described in each the described voltage-withstand test needle movement on voltage-withstand test head to transformer to be measured on test fingers position consistency.
The number of voltage-withstand test pin and the number of described test board on described voltage-withstand test head are four, it is certain that four described test boards are spacing between stacked setting and described test board, the length that is positioned at the voltage-withstand test pin connecting on the test board on upper strata is positioned at the length of the voltage-withstand test pin connecting on the test board of lower floor for long, the least significant end of the voltage-withstand test pin connecting on four described test boards is all in the same plane, below described test board, be provided with a substrate, four described test boards as a whole installation on described substrate, on board, be also provided with down-feed screw, X-axis slide bar and Y-axis slide bar, described substrate and four described test boards are done as a whole at described down-feed screw, under the effect of X-axis slide bar and Y-axis slide bar, do lifting and move horizontally motion, so that the voltage-withstand test pin on described voltage-withstand test head contacts with the test fingers on transformer to be measured.
Four described test boards are followed successively by the first test board, the second test board, the 3rd test board and the 4th test board from top to bottom, described the 4th test board is fixedly installed on described substrate, described the 3rd test board moves in Y direction by the stepper motor and the screw mandrel driving that are fixedly installed on described the 4th test board, described the second test board moves in X-direction by the stepper motor driving being fixedly installed on described the 4th test board, and described the first test board moves in Y direction by the stepper motor and the screw mandrel driving that are arranged on described the 4th test board.
The number of described voltage-withstand test head is 12.
The beneficial effects of the utility model are: the utility model is in the time of voltage-withstand test, design brand-new voltage-withstand test head, according to the test fingers number on transformer to be measured, voltage-withstand test pin number on voltage-withstand test head is set, by the cooperation of test board, stepper motor and screw mandrel, form testing needle apart from adjustable to adapt to the test of low-frequency transformer of various different models, thereby widened the test specification of the utility model test machine; So the utility model completes the voltage-withstand test of multiple transformers on same equipment, simple in structure, can be simultaneously to multiple transformers and can test different model transformer.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the one-piece construction schematic diagram that has comprised test machine of the present utility model;
Fig. 3 is the one-piece construction schematic diagram of described test board;
Fig. 4 is the structural representation of described electric test head part;
Fig. 5 is the structural representation of a described test board.
Embodiment
As shown in Figures 1 to 5, described voltage-withstand test mechanism comprises the voltage-withstand test head 7 of several marshallings, and in the present embodiment, the number of described voltage-withstand test head 7 is 12.Described voltage-withstand test head 7 is made up of some voltage-withstand test pins 8, described voltage-withstand test pin 8 is connected with peripheral high-tension electricity, the number of voltage-withstand test pin 8 on each described voltage-withstand test head 7 and the test fingers number of each transformer to be measured is consistent and distributing position and the to be measured transformer of voltage-withstand test pin 8 on described voltage-withstand test head 7 on test fingers distributing position consistent.Voltage-withstand test pin 8 on described voltage-withstand test head 7 is four in the present embodiment, and the test fingers on low-frequency transformer to be measured is also four.On all described voltage-withstand test heads 7, the voltage-withstand test pin 8 at same position place is all fixedly installed on same test board 9, and the number of described test board 9 is consistent with the number of the voltage-withstand test pin 8 on each described voltage-withstand test head 7, is also four.Described in each, test board 9 is connected with screw mandrel, described in each, screw mandrel is driven and is rotated by a stepper motor, described in each, test board 9 drives mobile by described screw mandrel, described stepper motor is connected with described PLC control system 3, described PLC control system 3 drives described stepper motor to move and makes described screw mandrel drive described test board 9 to move so that described in each the described voltage-withstand test pin 8 on voltage-withstand test head 7 move to transformer to be measured on test fingers position consistency.
It is certain that four described test boards 9 are spacing between stacked setting and described test board 9.The length that is positioned at the voltage-withstand test pin connecting on the test board 9 on upper strata is positioned at the length of the voltage-withstand test pin connecting on the test board 9 of lower floor for long, and the least significant end of the voltage-withstand test pin 8 connecting on four described test boards 9 is all in the same plane.Below described test board 9, be provided with a substrate 10.Four described test boards 9 as a whole installation on described substrate 10.On described board 4, be also provided with down-feed screw 11, X-axis slide bar 12 and Y-axis slide bar 13.Described substrate 10 and four described test boards 9 are done as a wholely under the effect of described down-feed screw 11, X-axis slide bar 12 and Y-axis slide bar 13, to do lifting and move horizontally motion, so that the voltage-withstand test pin 8 on described voltage-withstand test head 7 contacts with the test fingers on transformer to be measured.From the above, the distance between four test boards 9 is fixed, and just realizes the adjusting of distance between the voltage-withstand test pin 8 on different test boards 9 by translation, realizes the transformer of the different test fingers spacing of having of different model is tested.
Four described test boards 9 are followed successively by the first test board 91, the second test board 92, the 3rd test board 93 and the 4th test board 94 from top to bottom.Described the 4th test board 94 is fixedly installed on described substrate 10, by described down-feed screw 11, X-axis slide bar 12 and Y-axis slide bar 13 are regulated, realizes lifting and mobile adjusting of described the 4th test board 94.Described the 3rd test board 93 moves in Y direction by the stepper motor and the screw mandrel driving that are fixedly installed on described the 4th test board 94, moves left and right, and regulates with the voltage-withstand test pin 8 to fixed thereon.Described the second test board 92 moves in X-direction by the stepper motor driving being fixedly installed on described the 4th test board 94, in the present embodiment, drive the stepper motor being arranged on described the 4th test board 94 that described the second test board 92 moves to drive, this stepper motor is connected with the screw mandrel of described the second test board 92 with driving by belt 29, thereby realizes described the second movement of test board 92 in X-direction.Described the first test board 91 moves in Y direction by the stepper motor and the screw mandrel driving that are arranged on described the 4th test board 94.In four described test boards 9 taking the coordinate of the 4th test board 94 as benchmark, according to the coordinate position of the test fingers on transformer to be measured, by adjusting movement, second test board 92 movement and first test board 91 movement on Y direction on X-direction of the 3rd test board 93 in Y direction, thereby make the test fingers position consistency on voltage-withstand test pin 8 and the transformer to be measured on whole voltage-withstand test head 7.
As shown in Figure 2, comprised main control computer 2 and the PLC control system 3 that the utility model low-frequency transformer automatic Synthesis test machine comprises cabinet 1, is arranged on described cabinet 1 inside.Be embedded in GROOVY data acquisition and analysis system at described main control computer 2, described main control computer 2 is connected with described PLC control system 3, on described cabinet 1, is provided with board 4, is provided with travelling belt 5 and electric performance test mechanism on described board 4.Described voltage-withstand test mechanism is all connected with the tester 14 being arranged in described cabinet 1 with described electric performance test mechanism.Described travelling belt 5 is driven by stepper motor, and the product introduction end of described travelling belt 5 from described voltage-withstand test mechanism is connected to the output of products end of described electric performance test mechanism, on described travelling belt 5, is provided with sorting baffle plate 6.In the present embodiment, be provided with sorting baffle plate 6 in test bit one side of test bit one side of described voltage-withstand test mechanism and described electric performance test mechanism.Sorting baffle plate 6 separates the defective products after voltage-withstand test and electric performance test from non-defective unit.On described board 4, be also provided with defective products ejecting mechanism.Described voltage-withstand test mechanism, described electric performance test mechanism, described stepper motor, described defective products ejecting mechanism and described tester 14 are all electrically connected with described PLC control system 3.Described travelling belt 5 is separated out non-defective unit passage and defective products passage by described sorting baffle plate 6, and the defective products recording in described voltage-withstand test mechanism and described electric performance test mechanism enters described defective products passage, and non-defective unit enters described non-defective unit passage.
Described defective products ejecting mechanism is pen cylinder, and described pen cylinder is arranged on the below of described voltage-withstand test head 7 and is positioned at the rear of described travelling belt 5.After described voltage-withstand test mechanism is completed, when detecting while there is defective products, described pen cylinder action, defective products is released to the defective products passage on described travelling belt 5, in the time that travelling belt 5 moves, defective products is transported to the defective products district being positioned on travelling belt 5 sides by described sorting baffle plate 6.In the present embodiment, be provided with a described pen cylinder at each transformer rear.
Described electric performance test mechanism comprises electric test seat 15, and described electric test seat 15 is fixed on a sliding seat 16, and described sliding seat 16 is slidably fitted on the slide rail 17 being arranged on described board 4.Described electric test seat 15 comprises at least one electric test head 18, described electric test head 18 comprises the two clamping plates 20 that is driven closure and separated by electric cylinder 19, on described clamping plate 20, be provided with pin hole 21, on some described pin hole 21 therein, be provided with electric test pin 22, the position that is positioned at two electric test pins 22 on described clamping plate 20 is relative, and described electric test pin 22 is electrically connected with described tester 14.Described electric cylinder 19 drives in vertical direction and moves by being arranged on electric screw mandrel 23 in described sliding seat 16 together with two described clamping plate 20.The pin hole 21 that described clamping plate 20 arrange can have many rows.In the time that two clamping plates 20 closes, can insert many group electric test pins 22 simultaneously, thus the electric property that can once test multiple transformers.In the present embodiment, be set to one group of electric test pin 22.In addition, according to different transformer models, can be at the interior insertion electric test of different pin hole 21 pin 22, so that the test fingers position consistency on the needle gage of electric test pin 22 and tested transformer.In described electric performance test mechanism, described defective products ejecting mechanism is also pen cylinder, and described pen cylinder is arranged on the below of described electric test head 18 and is positioned at the rear of described travelling belt 5.In the time electric performance test defective products being detected, defective products is released in described pen cylinder action, and under the motion of travelling belt 5 drives, defective products is transported to defective products district.
A side at described travelling belt 5 is also provided with transformer reshaping device.In the test bit of described voltage-withstand test mechanism and electric performance test mechanism, be provided with described transformer reshaping device.Described transformer reshaping device comprises X-axis propulsion cylinder 24, the Y-axis integer cylinder 25 being arranged on described board and the reshaping frame that is arranged on described X-axis propulsion cylinder 24 output terminals, described reshaping frame comprises lower clamping frame 26 and upper clamping frame 27, described lower clamping frame 26 and described upper clamping frame 27 are slidably matched, and the output shaft of described Y-axis shaping cylinder 25 is fixedly connected with and drives described upper clamping frame 27 to move in Y direction with described upper clamping frame 27.On described transformer reshaping device, be provided with 12 transformer standing grooves 28.Transformer be placed on described transformer standing groove 28 interior after, described Y-axis shaping cylinder 25 promotes that described upper clamping frame 27 moves and the transformer in described transformer standing groove 28 is promoted it is put neatly, thereby reaches the object of shaping.Complete after shaping, described X-axis propulsion cylinder 24 promotes to enter into described voltage-withstand test head 7 belows through the transformer of shaping, and described voltage-withstand test head 7 presses down.Voltage-withstand test pin 8 on voltage-withstand test head 7 is pushed down after the test fingers on transformer, and described X-axis propulsion cylinder 24 exits.In transformer voltage-withstand test process, place transformer to be measured in the interior continuation of described transformer standing groove 28, to prepare voltage-withstand test next time.In addition, on voltage-withstand test head 7, be provided with transformer induction device.Be advanced to by described X-axis propulsion cylinder 24 at transformer described voltage-withstand test head 7 below test before, in the time that described transformer induction device senses that the below of described voltage-withstand test head 7 also has transformer, can send warning to staff.After transformer is cleared, just can continue follow-up test action.On electric test head 18, be also provided with inductor, its function is also in order to ensure before transformer is pushed into, and there is no transformer, to guarantee safety in test bit.In addition, on described board 4, be also provided with control panel 30.Described control panel 30 is supplied with staff test process is carried out to control & monitor, and realizes the equipment that starts or stops and move.
In the test bit of described voltage-withstand test mechanism and electric performance test mechanism, be provided with described sorting baffle plate 6, in described main control computer 2, be also provided with communication module, described communication module is by communication interface and network and peripheral control center's communication connection.In the time that needs carry out parameter setting or change to equipment, control center can carry out operated from a distance, realizes the operation of not showing up.
In addition, be embedded in GROOVY data acquisition and analysis system at main control computer 2, event on whole test machine is all recorded, the data such as the transformer number that occur the parameters of defective products, defective products during as voltage-withstand test, in a day, test is passed through.This provides foundation for follow-up equipment optimization and examination.
Operating process of the present utility model is as follows:
A, systematic parameter are set: the parameters of the transformer that staff will test is set in main control computer operating system, downloads to described PLC control system, sets relevant technical parameter in test machine;
B, material loading: staff is put into power transformer product in the transformer standing groove 28 in described transformer reshaping device;
C, voltage-withstand test: after material loading completes, press startup, equipment is automatically transported to product voltage-withstand test station and carries out voltage-withstand test.Voltage-withstand test is realized: product reaches after test station, PLC control system 3 starts accurate location to the test fingers on transformer, voltage-withstand test pin 8 on voltage-withstand test head 7 finds after transformer pin automatically, PLC control system is tested commencing signal to test machine, test machine starts to carry out voltage-withstand test, test data Real-time Collection and the preservation of the GROOVY data acquisition system (DAS) of main control computer to tester in test process, tester 14 has defective products automatic decision function, when test parameter does not conform to established standards parameter, tester 14 can be exported a defective products signal, PLC control system collects defective products signal, PLC control system can be sorted into defective products district defective products automatically.
D, carrying mechanism: after voltage-withstand test completes, automatically can be moved to electric performance test station by conveyor product;
E, electric performance test: travelling belt is surveyed product electric property from voltage-withstand test station is transported to electric performance test station.Electric performance test method: product arrives after electric performance test station, after electric test pin finds transformer pin automatically, PLC control system is tested commencing signal to tester 14, tester 14 starts test, in test process, the GROOVY data acquisition system (DAS) of main control computer can be preserved test parameter Real-time Collection, and tester 14 has defective products automatic decision function, in the time that test actual parameter does not conform to setup parameter, a defective products signal of tester output, the defective products automatic sorting that PLC control system handle is specified is to defective products district;
F, discharging: after electric performance test completes, equipment is transported to discharging opening transformer automatically, then by staff non-defective unit, defective products is taken away respectively.
The key technical indexes of the present utility model is as follows:
1. maximum 12 of each material loading;
2. mechanical precision is at 0.01 millimeter, testing current precision 0.01mA, voltage tester precision 0.1V;
3. the spacing of transformer (depends on the concrete structure of transformer reshaping device) between 100mm;
4. every group of test duration is about 60 seconds.
In whole test process, rely on PLC control system control step motor accurately to locate, do not need to change frock clamp, improve work efficiency, two test station realize from being dynamically connected, and have reduced bad that artificial carrying and misoperation cause, have improved the quality of product.This equipment is connected to become a device just two test station and wants a staff just can complete all operations in test process, compares also saved cost of labor simultaneously with existing technology.
The utility model can be applicable to device for testing transformers field.

Claims (4)

1. transformer voltage-withstand test mechanism, it is characterized in that: described voltage-withstand test mechanism comprises the voltage-withstand test head (7) of several marshallings, described voltage-withstand test head (7) is made up of some voltage-withstand test pins (8), described voltage-withstand test pin (8) is connected with peripheral high-tension electricity, the number of voltage-withstand test pin (8) on each described voltage-withstand test head (7) and the test fingers number of each transformer to be measured is consistent and distributing position and the to be measured transformer of voltage-withstand test pin (8) on described voltage-withstand test head (7) on test fingers distributing position consistent, the voltage-withstand test pin (8) at the upper same position of all described voltage-withstand test heads (7) place is all fixedly installed on same test board (9), the number of described test board (9) is consistent with the number of the voltage-withstand test pin (8) on each described voltage-withstand test head (7), test board described in each (9) is connected with screw mandrel, described in each, screw mandrel is driven and is rotated by a stepper motor, test board described in each (9) drives mobile by described screw mandrel, described stepper motor makes described screw mandrel drive described test board (9) mobile, so that described in each the described voltage-withstand test pin (8) on voltage-withstand test head (7) move to transformer to be measured on test fingers position consistency.
2. transformer voltage-withstand test according to claim 1 mechanism, it is characterized in that: the number of the voltage-withstand test pin (8) on described voltage-withstand test head (7) and the number of described test board (9) are four, it is certain that four described test boards (9) are spacing between stacked setting and described test board (9), the length that is positioned at the voltage-withstand test pin connecting on the test board (9) on upper strata is positioned at the length of the voltage-withstand test pin connecting on the test board (9) of lower floor for long, the least significant end of the voltage-withstand test pin (8) connecting on four described test boards (9) is all in the same plane, be provided with a substrate (10) in the below of described test board (9), four described test boards (9) as a whole installation on described substrate (10), on board (4), be also provided with down-feed screw (11), X-axis slide bar (12) and Y-axis slide bar (13), described substrate (10) and four described test boards (9) are done as a whole in described down-feed screw (11), under the effect of X-axis slide bar (12) and Y-axis slide bar (13), do lifting and move horizontally motion, so that the voltage-withstand test pin (8) on described voltage-withstand test head (7) contacts with the test fingers on transformer to be measured.
3. transformer voltage-withstand test according to claim 2 mechanism, it is characterized in that: four described test boards (9) are followed successively by the first test board (91) from top to bottom, the second test board (92), the 3rd test board (93) and the 4th test board (94), described the 4th test board (94) is fixedly installed on described substrate (10), described the 3rd test board (93) moves in Y direction by the stepper motor and the screw mandrel driving that are fixedly installed on described the 4th test board (94), described the second test board (92) moves in X-direction by the stepper motor driving being fixedly installed on described the 4th test board (94), described the first test board (91) moves in Y direction by the stepper motor and the screw mandrel driving that are arranged on described the 4th test board (94).
4. according to the transformer voltage-withstand test mechanism described in claims 1 to 3 any one, it is characterized in that: the number of described voltage-withstand test head (7) is 12.
CN201320891515.6U 2013-12-31 2013-12-31 Transformer voltage-withstand test mechanism Expired - Fee Related CN203929909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320891515.6U CN203929909U (en) 2013-12-31 2013-12-31 Transformer voltage-withstand test mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320891515.6U CN203929909U (en) 2013-12-31 2013-12-31 Transformer voltage-withstand test mechanism

Publications (1)

Publication Number Publication Date
CN203929909U true CN203929909U (en) 2014-11-05

Family

ID=51825706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320891515.6U Expired - Fee Related CN203929909U (en) 2013-12-31 2013-12-31 Transformer voltage-withstand test mechanism

Country Status (1)

Country Link
CN (1) CN203929909U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021986A (en) * 2015-06-19 2015-11-04 杭州赛微电机有限公司 Shade-pole motor detection device
CN107782617A (en) * 2017-09-13 2018-03-09 安徽科创新能源科技有限责任公司 A kind of voltage-withstand test mechanism of charging pile manufacture
CN109444697A (en) * 2018-12-25 2019-03-08 力维兴电子(深圳)有限公司 A kind of power transformer Performance Test System and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021986A (en) * 2015-06-19 2015-11-04 杭州赛微电机有限公司 Shade-pole motor detection device
CN105021986B (en) * 2015-06-19 2018-03-20 杭州赛微电机有限公司 Motor with cup rotor detection means
CN107782617A (en) * 2017-09-13 2018-03-09 安徽科创新能源科技有限责任公司 A kind of voltage-withstand test mechanism of charging pile manufacture
CN109444697A (en) * 2018-12-25 2019-03-08 力维兴电子(深圳)有限公司 A kind of power transformer Performance Test System and method

Similar Documents

Publication Publication Date Title
CN103713221B (en) The low-frequency transformer automatic Synthesis test machine of GROOVY data acquisition and analysis system is controlled based on PLC
CN203929909U (en) Transformer voltage-withstand test mechanism
CN203556580U (en) Automatic powder metallurgical product weighing and screening device
CN201322792Y (en) Electric energy meter automatic standard apparatus for detecting production lines
CN203259633U (en) Automatic testing apparatus for voltage of battery core
CN105817424A (en) Automatic detecting device
CN103353560A (en) Multi-station automatic detection apparatus for electronic products
CN201796137U (en) Full-automatic assembly line type re-checking device for electric energy meter
CN104267335A (en) Multifunctional test machine for switch
CN101406886B (en) Network filter automatic detection separate collection device and method thereof
CN202837490U (en) Automatic function testing device for printed circuit board assembly (PCBA)
CN207042870U (en) A kind of battery core OCV test machines
CN204116552U (en) Switch multifunctional testing machine
CN106623001B (en) A kind of automation preliminary filling and test equipment
CN203275586U (en) Withstand voltage testing device for thin-film capacitor
CN205762398U (en) A kind of whole foot of network transformer and detection all-in-one
CN208825029U (en) A kind of inductor performance automatic test instrument
CN201402292Y (en) Magnetic-coil overall property tester
CN207992377U (en) A kind of transformer automatization test system
CN113042401A (en) Transformer test equipment
CN109164324A (en) BDU automatic test machine
CN106199388A (en) Smart Home circuit board full-automatic detection apparatus and detection method thereof
CN204613366U (en) A kind of battery core electrical property automatic test machine
CN209247901U (en) BDU automatic test machine
CN212703074U (en) Detection mechanism for printed circuit board

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

Termination date: 20181231

CF01 Termination of patent right due to non-payment of annual fee