CN107037301A - A kind of automatic p-wire of probe interface class product multistation - Google Patents

A kind of automatic p-wire of probe interface class product multistation Download PDF

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Publication number
CN107037301A
CN107037301A CN201710189727.2A CN201710189727A CN107037301A CN 107037301 A CN107037301 A CN 107037301A CN 201710189727 A CN201710189727 A CN 201710189727A CN 107037301 A CN107037301 A CN 107037301A
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China
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product
test
probe
station
wire
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CN201710189727.2A
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Chinese (zh)
Inventor
王冠群
张鸿鸯
文静
何永义
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201710189727.2A priority Critical patent/CN107037301A/en
Publication of CN107037301A publication Critical patent/CN107037301A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/01Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/003Environmental or reliability tests
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/10Plc systems
    • G05B2219/15Plc structure of the system
    • G05B2219/15038Internet, tcp-ip, web server see under S05B219-40

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Environmental & Geological Engineering (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention relates to a kind of automatic p-wire of probe interface class product multistation, including cold and hot unit, transfer machine, transmission chain, each test station frock, cooling cabinet, the corresponding electrical control cabinet of each test station frock, Product checking platform, probe interface class product and product tray.Each station is designed using binary channels, is improved product and is tested the speed rate;Product is transmitted between each station using Chain conveyer, reduce manpower transport, it is to avoid product is largely stacked or omitted;Drive connector to be contacted with product by cylinder, reduce manpower plug, increase connector and probe service life;Using database purchase test data, function is redrawn by data query and image, test data utilization rate is improved, it is to avoid identical product retest;Each station test result is sent to by the unified detection of server computer by TCP/IP communication, testing staff's participation is reduced, improves test result integrated level and degree directly perceived, improve the comprehensive accuracy of performance judgment.

Description

A kind of automatic p-wire of probe interface class product multistation
Technical field
The invention discloses a kind of automatic p-wire of probe interface class product multistation, for entering to probe interface class product Row multistation combination property automatic test.
Background technology
Probe interface class product test line is last procedure before being dispatched from the factory after the completion of such production, assembling, It is also most important link.Need many test stations, multinomial performance comprehensive detection is to ensure the up-to-standard of product.It is existing to survey It is generally Manual line to try wire body, and automaticity is very low.Participant is numerous and same personnel can only test one in synchronization Product, testing efficiency is low.Product interface needs manually to plug repeatedly, and human resources consumption is larger.Test data needs Real Time Observation, number It is low according to utilization rate.
If there is a multistation to test wire body automatically, probe interface class product can be once put into TCH test channel, pass through PLC (Programmable logic controller (PLC))Transport mechanism is controlled, jacking clamp system is transmitted automatically, clamp product.Calculated by Industry Control Machine realizes test, data storage.Read by product bar code, the mode reviewed realizes that product quality is detected.Manpower money will be caused Source consumption greatly reduces, and operation becomes simple, and the more conducively accurate control of product quality.
The content of the invention
It is an object of the invention in view of the deficienciess of the prior art, providing a kind of probe interface class product multistation certainly Dynamic p-wire.Multistation performance test is realized, human resources are saved, test data is efficiently utilized, test result synthetic determination.
To achieve the above object, the present invention takes following technical scheme:
A kind of automatic p-wire of probe interface class product multistation.Including cold and hot unit, transfer machine, each test station frock, cold But cabinet, the corresponding electrical control cabinet of each test station frock, Product checking platform, probe interface class product and product tray.Its It is characterised by:Straight line is arranged in order for the cold and hot unit, transfer machine, cooling cabinet and each test station frock, passes through width Identical transmission chain is mutually butted composition wire body;The cold and hot unit is used to product is heated or cooled, to test wrapper Border temperature is simulated;The cooling cabinet is used to carry out cooling down to heated product, prevents from scalding tester;It is described Electrical control cabinet is placed on beside each test station frock nearby, for placing product test instrument;In test process, production Product are placed on above pallet, are flowed successively in wire body, test;Product checking platform is laid in whole test wire body end, with Wire body straight line is arranged, and the table top of Product checking platform is highly flushed with wire body transmission chain, for the complete probe of last test to be connect Mouth class product takes out, barcode scanning inquiry each station test result of product.
Described each test station frock is by the display of industrial control computer, guidance panel, clamp mechanism and transmission Chain is constituted, and is installed on inside each test station frock;The industrial control computer is used to run every test software, and Test result is included on screen, test data is stored in access databases;The guidance panel is used to tightly stop, answered The operations such as position, adjustment chain rotating speed;It is dynamic that the clamp mechanism is used for jacking, positioning, clamping and the test of product and pallet etc. Make;The transmission chain is located at below clamp mechanism, for product product and pallet to be sent into specified location.
The clamp mechanism stretches out cylinder, probe joint mounting bracket, jacking support by top hold-down mechanism, probe joint Frame, jacking cylinder, lifting-up support, fixture installing plate, wiring harness connector base and wiring harness connector plug composition;Top clamping machine Structure, probe joint stretches out cylinder, probe joint mounting bracket, lifting-up support, wiring harness connector base by aluminum bracket and Bolt, is fixedly mounted on fixture installing plate;Top hold-down mechanism is used to compress product from top surface;Probe joint stretches out cylinder and used In the interface that probe joint is inserted to product side;Joint wire harness one end is welded on wiring harness connector plug, and and wiring harness connector Base is to inserting, and the other end is welded on probe joint, and in probe joint mounting bracket;Jacking bracket, jacking cylinder is led to Aluminum bracket and bolt are crossed, is fixedly mounted on lifting-up support;Jacking cylinder drive jacking bracket, by product tray lift to Test position.
The main frame of industrial control computer is installed in the described corresponding electrical control cabinet of each test station frock, can be compiled Journey logic controller PLC, signal generator, programmable power supply, pci data capture card;Programmable logic controller (PLC) PLC is used to control Clamp mechanism internal probe joint stretches out the action such as cylinder, jacking cylinder, and transmission chain flowing and guidance panel are shown;Signal is sent out Raw device and programmable power supply are used to provide required current and voltage signals during product test, and are given to signal by probe joint;PCI numbers According to capture card gather product test when output signal, and be given to industrial control computer be patterned display and data deposit Storage.
The Product checking platform detects computer, label machine, waste product box composition by barcode scanning gun;Barcode scanning gun is placed on inspection Scaffold tower desktop, for carrying out bar code scan to the product after the completion of the test of each station, and will be industrial in each test station frock The test result of control computer memory storage is recalled by TCP/IP communication, is uniformly shown on detection computer, by testing staff Differentiated;Label machine is connected on detection computer, the label for printing test result substandard product;Waste product box Detection table surface is placed on, for test result substandard product to be temporarily stored in into the inside, area is carried out with other qualified products Point.
Compared with prior art, the present invention has following obvious prominent substantive distinguishing features and notable technological progress:
1st, test process is full-automatic, from the test of each station to testing result comprehensive descision without manually participating in, reduces human resources Consumption.
2nd, product is placed using binary channels product tray, carries out two product synchronism detections, improve product test speed.
3rd, transfer mode uses Chain conveyer in test wire body, transmits product between each station using conveyer chain, can bear Compared with the weight of multi-product and pallet, transmission is quick and efficiently, reduces manpower transport, it is to avoid product is largely stacked or lost Leakage.
4th, drive connector to be contacted automatically with product by cylinder, reduce manpower plug, increase connector service life, protect Demonstrate,prove probe contact stable.
5th, using database purchase test data, function is redrawn by data query and image, test data is improved and utilizes Rate, it is to avoid identical product retest.
6th, each station test result is sent to by the unified detection of server computer by TCP/IP communication, reduces detection people Member participates in, and improves test result integrated level and degree directly perceived, improves the comprehensive accuracy of performance judgment.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is probe interface product and pallet component schematic diagram of the invention.
Fig. 3 is each test station tool structure schematic diagram of the invention.
Product jackings and clamp system schematic diagram of the Fig. 4 for the present invention.
Fig. 5 is probe plug schematic diagram of the invention.
Fig. 6 is each test station frock electrical control cabinet structural representation of the invention.
Fig. 7 is Product checking platform structural representation of the invention.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described further.
Embodiment one:
As depicted in figs. 1 and 2, the automatic p-wire of this probe interface class product multistation includes cold and hot unit 1, transfer machine 2, each survey Trial work position frock 3, cooling cabinet 4, the corresponding electrical control cabinet 5 of each test station frock, Product checking platform 6, the production of probe interface class Product 11 and product tray 12.It is characterized in that:The cold and hot unit 1, transfer machine 2, cooling cabinet 4 and each test station frock 3 straight line arrangements in order, are mutually butted by width identical transmission chain 34, constitute wire body;The cold and hot unit 1 be used for pair Product 11 is heated or cooled, and test environment temperature is simulated;The cooling cabinet 4 is used to enter heated product 11 Row cooling down, prevents from scalding tester;The electrical control cabinet 5 is placed on each side of test station frock 3 nearby, is used for Place the test instrument of product 11;In test process, product 11 is placed on above pallet 12, is flowed successively in wire body It is dynamic, test;Product checking platform 6 is laid in whole test wire body end, is arranged with wire body straight line, the table top and line of Product checking platform 6 Body transmission chain is highly flushed, for the complete probe interface class product 11 of last test to be taken out, barcode scanning inquiry each station of product Test result.
Embodiment two:The present embodiment and embodiment one are essentially identical, and special feature is as follows:
As shown in Figures 2 and 3, described each test station frock 3 is by the display of industrial control computer 31, guidance panel 32, clamp mechanism 33 and transmission chain 34 are constituted, and are installed on each enclosure interior of test station frock 3;The Industry Control meter Calculation machine 31 is used to run every test software, and test result is included on screen, and test data is stored in access data In storehouse;The guidance panel 32 is used to tightly stop, reset, adjusts the operation such as chain rotating speed;The clamp mechanism 33 is used for product 11 And the jacking of pallet 12, positioning, clamp and the action such as test;The transmission chain 34 is located at below clamp mechanism 33, is used for Product product 11 and pallet 12 are sent to specified location.
As shown in Figure 4 and Figure 5, the clamp mechanism 33 is by top hold-down mechanism 331, and probe joint stretches out cylinder 332, visits Adapter mounting bracket 333, jacking bracket 334, jacking cylinder 335, lifting-up support 336, fixture installing plate 337, wiring harness connector Base 338 and wiring harness connector plug 339 are constituted;Top clamp system 331, probe joint stretches out cylinder 332, probe joint peace Support 333 is filled, lifting-up support 336, wiring harness connector base 338 is fixedly mounted on fixture peace by aluminum bracket and bolt Fill on plate 337;Top hold-down mechanism 331 is used to compress product 11 from top surface;Probe joint, which stretches out cylinder 332, to be used to connect probe The interface of first 501 insertion product 11 side;Joint wire harness one end is welded on wiring harness connector plug 339, and with wiring harness connector bottom 338 pairs of seat is inserted, and the other end is welded on probe joint 501, and in probe joint mounting bracket 333;Jacking bracket 334, Jacking cylinder 335 is fixedly mounted on lifting-up support 336 by aluminum bracket and bolt;Jacking cylinder 335 drives jacking support Frame 334, product tray 12 is lifted to test position.
As shown in Fig. 3, Fig. 4 and Fig. 6, industry is installed in the described corresponding electrical control cabinet 5 of each test station frock The main frame of control computer 31, programmable logic controller (PLC) 51, signal generator 52, programmable power supply 53, pci data capture card 54;Programmable logic controller (PLC) 51 is used to control the internal probe joint of clamp mechanism 33 stretching cylinder 332, jacking cylinder 335 etc. dynamic Make, transmission chain 34 is flowed and guidance panel 32 is shown;Signal generator 52 and programmable power supply 53 are surveyed for providing product 11 Required current and voltage signals during examination, and signal is given to by probe joint 501;The collection product 11 of pci data capture card 54 is tested When output signal, and be given to industrial control computer 31 be patterned display and data storage.
As shown in fig. 7, the Product checking platform 6 is by barcode scanning gun 61, detection computer 62, label machine 63 and waste product box 64 Composition;Barcode scanning gun is placed on the desktop of monitor station 6, for carrying out bar code scan to the product 11 after the completion of the test of each station, and The test result of the memory storage of industrial control computer 31 in each test station frock 3 is recalled by TCP/IP communication, it is unified aobvious Show on detection computer 62, differentiated by testing staff;Label machine 63 is connected on detection computer 62, for printing The label of test result substandard product 11;Waste product box 64 is placed on the desktop of monitor station 6, for by test result substandard product 11 are temporarily stored in the inside, are made a distinction with other qualified products.
The operating process of the present embodiment device is as follows:
Product 11 and pallet 12 shown in Fig. 2 is put into the entrance of the automatic p-wire of Fig. 1 middle probe interface class products by operator, i.e., At cold and hot unit 1, Temperature pre-treatment is carried out.Transmitted rearward by transmission chain, product 11 and pallet 12 taken out by transfer machine 2, And send into each test station frock 3 shown in Fig. 3 and tested.PLC in each test station frock electrical control cabinet as shown in Figure 6 51, which automatically control jacking clamp system in Fig. 4, acts, and by the jacking of product 11 to test position, clamp, and inserts shown in Fig. 5 Probe joint.Signal generator 52 and programmable power supply 53 produce test signal in Fig. 6, are tested, by data collecting card 54 carry out data acquisition to industrial control computer 31, carry out result and show, data storage.The product completed is tested by conveyer chain Bar is sent to next test station.Product 11 and pallet 12 that test is completed flow to the Product checking platform 6 shown in Fig. 7, by grasping Author carries out bar code scan to product, and by the test result of the memory storage of industrial control computer 31 in each test station frock 3 Recalled by TCP/IP communication, be uniformly shown on detection computer 62, differentiated by testing staff.Label machine 63 is connected On detection computer 62, the label for printing test result substandard product 11;Waste product box 64 is placed on the table of monitor station 6 Face, for test result substandard product 11 to be temporarily stored in into the inside, makes a distinction with other qualified products.
It follows that each station of the product is designed using binary channels, improve product and test the speed rate;Using Chain conveyer in each station Between transmit product, reduce manpower transport, it is to avoid product is largely stacked or omitted;Connector and product are driven by cylinder Contact, reduces manpower plug, increases connector and probe service life;Using database purchase test data, looked into by data Ask and image redraws function, improve test data utilization rate, it is to avoid identical product retest;By TCP/IP communication by each work Bit test result is sent to the unified detection of server computer, reduces testing staff's participation, improves test result integrated level and straight Sight degree, improves the comprehensive accuracy of performance judgment.

Claims (5)

1. a kind of automatic p-wire of probe interface class product multistation, including cold and hot unit(1), transfer machine(2), each test station Frock(3), cooling cabinet(4), the corresponding electrical control cabinet of each test station frock(5), Product checking platform(6), product(11)With And product tray(12), it is characterised in that:The cold and hot unit(1), transfer machine(2), each test station frock(3)And cooling Cabinet(4)Straight line is arranged in order, passes through width identical transmission chain(34)It is mutually butted, constitutes wire body;The cold and hot unit (1)For to product(11)It is heated or cooled, so as to be simulated to test environment temperature;The cooling cabinet(4)For To heated product(11)Cooling down is carried out, to prevent from scalding tester;The electrical control cabinet(5)It is placed on nearby Each test station frock(3)Side, for placing product(11)Test instrument;In test process, product(11)It is placed on Pallet(12)Above, flowed, and be tested in wire body successively;Lay Product checking platform in whole wire body end(6), product Monitor station(6)Arranged with wire body straight line, Product checking platform(6)Table top and wire body in transmission chain(34)Highly flush, use In by the complete product of last test(11)Take out, and barcode scanning inquiry each station test result of product.
2. the automatic p-wire of probe interface class product multistation according to claim 1, it is characterised in that:Described each survey Trial work position frock(3)By industrial control computer(31)Display, guidance panel(32), clamp mechanism(33)And transmission chain (34)Composition;The industrial control computer(31)Include for running every test software, and by test result on screen, Test data is stored in access databases;The guidance panel(32)For the behaviour for tightly stopping, resetting, adjusting chain rotating speed Make;The clamp mechanism(33)For product(11)And pallet(12)Jacking, positioning, clamp and test action;It is described Transmission chain(34)Positioned at clamp mechanism(33)Below, for by product(11)And pallet(12)It is sent to specified location.
3. the automatic p-wire of probe interface class product multistation according to claim 1, it is characterised in that:The clamp machine Structure(33)It is hold-down mechanism at the top of being installed in a square casing(331), probe joint stretching cylinder(332), probe joint Mounting bracket(333), jacking bracket(334), jacking cylinder(335), lifting-up support(336), fixture installing plate(337), wire harness Joint base(338)And wiring harness connector plug(339)Constitute;Top clamp system(331), probe joint stretching cylinder (332), probe joint mounting bracket(333), lifting-up support(336), wiring harness connector base(338)By aluminum bracket and Bolt, is fixedly mounted on fixture installing plate(337)On;Top hold-down mechanism(331)For compressing product from top surface(11);Probe Joint stretches out cylinder(332)For by a probe joint(501)Insert product(11)The interface of side;One joint wire harness one End is welded on wiring harness connector plug(339)On, and with wiring harness connector base(338)To inserting, and the other end is welded on the probe Joint(501)On, and installed in probe joint mounting bracket(333)On;Jacking bracket(334)And jacking cylinder(335)Pass through Aluminum bracket and bolt, are fixedly mounted on lifting-up support(336)On;Jacking cylinder(335)Drive jacking bracket(334), will Product tray(12)Lift to test position.
4. the automatic p-wire of probe interface class product multistation according to claim 1, it is characterised in that:Described each survey Trial work position frock(3)Corresponding electrical control cabinet(5)Industrial control computer is inside installed(31)Main frame, FPGA control Device PLC processed(51), signal generator(52), programmable power supply(53)With pci data capture card(54);Programmable logic controller (PLC) PLC(51)For controlling clamp mechanism(33)Internal probe joint stretches out cylinder(332)And jacking cylinder(335)Action, transmission Chain(34)Flowing and guidance panel(32)Display;Signal generator(52)And programmable power supply(53)For providing product(11) Required current and voltage signals during test, and pass through probe joint(501)Obtain signal;Pci data capture card(54)Gather product (11)Output signal during test, and it is transmitted to industrial control computer(31)It is patterned display and data storage.
5. the automatic p-wire of probe interface class product multistation according to claim 1, it is characterised in that:The product inspection Scaffold tower(6)By barcode scanning gun(61), detect computer(62), label machine(63)With waste product box(64)Composition;Barcode scanning gun is placed on Monitor station(6)Desktop on, for each station test after the completion of product(11)Bar code scan is carried out, and by each test work Position frock(3)Middle industrial control computer(31)The test result of memory storage is recalled by TCP/IP communication, is uniformly shown in inspection Survey computer(62)On, differentiated by testing staff;Label machine(63)It is connected to detection computer(62)On, for printing Test result substandard product(11)Label;Waste product box(64)It is placed on monitor station(6)Desktop, for test result not to be conformed to Lattice product(11)The inside is temporarily stored in, is made a distinction with other qualified products.
CN201710189727.2A 2017-03-28 2017-03-28 A kind of automatic p-wire of probe interface class product multistation Pending CN107037301A (en)

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Cited By (14)

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CN107543992A (en) * 2017-10-18 2018-01-05 昆山迈征自动化科技有限公司 A kind of inverter test device
CN107589355A (en) * 2017-10-18 2018-01-16 昆山迈征自动化科技有限公司 A kind of inverter performance testing device
CN108072831A (en) * 2018-01-15 2018-05-25 深圳市海能达通信有限公司 Complete machine detection device and detection method
CN109283454A (en) * 2018-11-06 2019-01-29 深圳市凯码时代科技有限公司 Full-automatic pcb board electric logging device
CN109542068A (en) * 2018-12-10 2019-03-29 武汉中原电子集团有限公司 A kind of high temperature electrified ageing and control system
CN109850511A (en) * 2018-12-28 2019-06-07 深圳市达实智控科技股份有限公司 Automatic test device
CN110133422A (en) * 2019-05-23 2019-08-16 中山市博胜机电设备有限公司 A kind of leakage protecting plug full-automatic test system
CN110542704A (en) * 2019-09-23 2019-12-06 华南理工大学 automatic power testing machine for ultrathin heat pipe and working method of automatic power testing machine
CN111077352A (en) * 2020-01-06 2020-04-28 苏州康弗士科技有限公司 New forms of energy machine controller high pressure function test machine
CN113671291A (en) * 2021-08-23 2021-11-19 四川长虹网络科技有限责任公司 Method and system for simultaneously testing equipment in batches
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CN107589355B (en) * 2017-10-18 2023-12-05 昆山迈征自动化科技有限公司 Inverter performance testing device
CN107589355A (en) * 2017-10-18 2018-01-16 昆山迈征自动化科技有限公司 A kind of inverter performance testing device
CN107543992A (en) * 2017-10-18 2018-01-05 昆山迈征自动化科技有限公司 A kind of inverter test device
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CN108072831A (en) * 2018-01-15 2018-05-25 深圳市海能达通信有限公司 Complete machine detection device and detection method
CN108072831B (en) * 2018-01-15 2023-12-26 深圳市海能达通信有限公司 Complete machine detection device and detection method
CN109283454A (en) * 2018-11-06 2019-01-29 深圳市凯码时代科技有限公司 Full-automatic pcb board electric logging device
CN109542068A (en) * 2018-12-10 2019-03-29 武汉中原电子集团有限公司 A kind of high temperature electrified ageing and control system
CN109850511A (en) * 2018-12-28 2019-06-07 深圳市达实智控科技股份有限公司 Automatic test device
CN110133422A (en) * 2019-05-23 2019-08-16 中山市博胜机电设备有限公司 A kind of leakage protecting plug full-automatic test system
CN110542704A (en) * 2019-09-23 2019-12-06 华南理工大学 automatic power testing machine for ultrathin heat pipe and working method of automatic power testing machine
CN110542704B (en) * 2019-09-23 2023-12-12 华南理工大学 Automatic power testing machine for ultrathin heat pipe and working method thereof
CN111077352A (en) * 2020-01-06 2020-04-28 苏州康弗士科技有限公司 New forms of energy machine controller high pressure function test machine
CN114355149A (en) * 2020-10-14 2022-04-15 株洲中车时代电气股份有限公司 Temperature stress screening test system of converter module circuit board
CN113671291A (en) * 2021-08-23 2021-11-19 四川长虹网络科技有限责任公司 Method and system for simultaneously testing equipment in batches
CN113820650A (en) * 2021-09-30 2021-12-21 安徽南瑞中天电力电子有限公司 Full-automatic detection equipment for electric energy meter key and anti-magnetic interference performance
CN113820650B (en) * 2021-09-30 2023-12-15 安徽南瑞中天电力电子有限公司 Full-automatic detection equipment for electric energy meter keys and anti-magnetic interference performance
CN114459904A (en) * 2022-04-08 2022-05-10 深圳市微特精密科技股份有限公司 Data line quality comprehensive test device
CN114459904B (en) * 2022-04-08 2022-06-24 深圳市微特精密科技股份有限公司 Data line quality comprehensive testing device
CN117259264A (en) * 2023-11-17 2023-12-22 北京铁科世纪科技有限公司 Test equipment of multi-functional industrial controller mainboard
CN117259264B (en) * 2023-11-17 2024-01-30 北京铁科世纪科技有限公司 Test equipment of multi-functional industrial controller mainboard

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Application publication date: 20170811