CN117741407A - Low-cost full-automatic FCT tester - Google Patents
Low-cost full-automatic FCT tester Download PDFInfo
- Publication number
- CN117741407A CN117741407A CN202311796507.8A CN202311796507A CN117741407A CN 117741407 A CN117741407 A CN 117741407A CN 202311796507 A CN202311796507 A CN 202311796507A CN 117741407 A CN117741407 A CN 117741407A
- Authority
- CN
- China
- Prior art keywords
- fct
- lower computer
- mcu
- test
- module
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 claims abstract description 86
- 238000004891 communication Methods 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 230000000007 visual effect Effects 0.000 claims abstract description 4
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Abstract
The invention discloses a low-cost full-automatic FCT tester, which belongs to the field of FCT testers and comprises a mechanical arm and an FCT test bench, wherein a visual system is arranged on the mechanical arm, an FCT lower computer MCU is connected with an isolation optocoupler communication circuit, the isolation optocoupler communication circuit is connected with a PC upper computer, the FCT lower computer MCU is connected with an execution mechanism module, a programming program module and an upper electric discharge module, the programming program module comprises a weak electric relay, the FCT lower computer MCU is connected with a PC upper computer through a programming result mutual communication line, the PC upper computer is connected with the upper electric discharge module through a programming program and a needle bed communication and comprises a strong electric relay, the output end of the strong electric relay is connected with the needle bed in an electrifying way, and the FCT lower computer MCU is connected with the PC upper computer through a 485-232 communication circuit. The invention can well position the tested plate, improve the degree of test automation, and the lower computer consists of the MCU and the peripheral devices to form a control board, so that the manufacturing cost is low, the test execution speed is high, the test operation is simple and direct, and the data intercommunication is facilitated.
Description
Technical Field
The invention relates to the field of FCT testers, in particular to a low-cost full-automatic FCT tester.
Background
The FCT tester is a test method for providing a simulated operation environment for the PCBA of the test target board to enable the PCBA to work in various design states, thereby acquiring parameters of the various states to verify the function of the UUT. In the manufacturing process of the server motherboard and the PC motherboard, the server motherboard and the PC motherboard also need to be tested by FCT test equipment to judge whether the product is good or not. The FCT tester mainly tests PCBA circuit boards as objects, and PCBA needs to be tested for performances in all aspects through different jigs, wherein the FCT testing jigs mainly test the PCBA after power-on and mainly comprise voltage, current, power factors, frequency, duty cycle, brightness and color, character recognition, voice recognition, temperature measurement, pressure measurement, motion control and the like. The FCT tester loads the UUT with appropriate excitation to measure whether the output response is satisfactory.
The existing FCT tester can not well position the PCBA board during testing, the automation of the testing of the FCT tester is affected, meanwhile, the FCT tester is controlled to work in a MCU control mode or a PC control mode generally, the MCU control FCT tester can not well modify testing schemes aiming at different PCBA boards, software programming of the PC control FCT tester is slightly complex, and the testing effect and efficiency of the MCU control FCT tester are affected.
Disclosure of Invention
For some existing problems, the present invention aims to provide a low-cost full-automatic FCT tester, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the low-cost full-automatic FCT tester comprises a mechanical arm and an FCT test board, wherein a vision system is arranged on the mechanical arm, the FCT test board is fixedly connected with a needle bed through an interface, the needle bed is fixedly connected with a tested plate through the interface, the mechanical arm with a vision recognition function positions the direction of the tested plate through the bar code position of the tested plate, and accordingly, the tested PCBA board is automatically picked up from a production line and placed at a fixed position on the needle bed; the FCT test bench is provided with an interface for butt joint of test needle beds, and various needle beds are manufactured for adapting to various similar type product tests;
the FCT test bench comprises an FCT lower computer and a PC upper computer, wherein the FCT lower computer comprises an FCT lower computer MCU, the FCT lower computer MCU is in communication connection with an isolation optocoupler communication circuit, the isolation optocoupler communication circuit is in communication connection with the PC upper computer, and the PC upper computer is in power connection with the multifunctional ammeter;
the isolated optocoupler communication circuit is in communication connection with the tested plate and the intelligent mechanical arm, the tested plate is connected with the AD sampling module, and the AD sampling module is connected with the isolated optocoupler communication circuit;
the FCT lower computer MCU is connected with the execution mechanism module, the programming program module and the power-on discharging module,
the execution mechanism module comprises a driver, a relay and a driving cylinder, wherein the information input end of the FCT lower computer MCU is connected with the RC filter module, the RC filter module is connected with the self-resetting switch, the self-resetting switch is arranged on the needle bed, the information output end of the FCT lower computer MCU is connected with the driver, the driver is connected with the relay in an electrifying way, the relay is connected with the driving cylinder in a communication way, and the driving cylinder is connected with the FCT lower computer MCU through a feedback signal wire; the FCT lower computer MCU detects upper plate information by detecting the self-reset switch, and the FCT lower computer MCU sends a test table upper plate pressing instruction to drive the relay to be attracted, so that the driving cylinder pressing operation is controlled, the driving cylinder is pressed to a position, and a lower limit sensing switch on the driving cylinder feeds back an upper plate pressing in-place signal to the FCT lower computer MCU; sending a start test command;
the programming program module comprises a weak current relay, the weak current relay is connected with a weak current power supply, an FCT lower computer MCU is connected with the weak current relay through a sucking signal line driving module, the weak current relay is connected with a needle bed in an electrified mode, the FCT lower computer MCU is connected with a PC upper computer through a communication line of a programming result, and the PC upper computer is connected with the needle bed in a communication mode through a programming program; the test starts the MCU of the FCT lower computer to send a program programming command to enable the weak current relay to be attracted, the PC upper computer records the program of the tested board through the closed weak current relay, and the PC and the MCU of the FCT lower computer address record results;
the power-on discharging module comprises a strong-current relay, the strong-current relay is connected with a strong-current power supply, the FCT lower computer MCU is connected with the strong-current relay through a sucking signal line driving module, the driving module is connected with the strong-current relay, the input end of the strong-current relay is connected with the multifunctional ammeter, the output end of the strong-current relay is connected with the needle bed in an electrified manner, the FCT lower computer MCU starts to supply power to a tested plate on the needle bed through the strong-current relay, and the FCT lower computer MCU sends an instruction to the tested plate on the needle bed;
the FCT lower computer MCU is connected with the PC upper computer through a 485-to-232 communication circuit; the tested board power voltage data is collected by an AD sampling module on the FCT lower computer, is transmitted to the PC upper computer by an FCT lower computer MCU through a 485-232 module, is displayed on a human-computer interaction interface, and is tested, the tested board is taken down by driving the mechanical arm, the test passes can continue to flow down, and otherwise, the PCBA which does not pass the test can be taken down.
As a further scheme of the invention: the needle bed and the measured plate are provided with a plurality of groups, and the needle bed and the measured plate are arranged in one-to-one correspondence.
As still further aspects of the invention: the multifunctional ammeter is connected with an external commercial power AC220V through a leakage report module and an isolated power supply.
As still further aspects of the invention: the self-resetting switch is provided with a photoelectric pair tube for detecting whether a tested plate is positioned on the test bench.
As still further aspects of the invention: the actuating mechanism module is used for controlling the actions of the machine platform ceiling, detecting stamping and the mechanical arm.
As still further aspects of the invention: the PC upper computer is used for judging data, giving out test results of each test item, displaying the test results through the human-computer interaction interface, and storing the test data into the database.
Compared with the prior art, the invention has the beneficial effects that:
the working principle of the invention is as follows: the invention well controls the mechanical arm through the vision system, the mechanical arm positions the direction of the tested plate through the bar code position of the tested plate, and accordingly, PCBA is automatically picked up from the production line and placed at a fixed position on the needle plate, thereby improving the degree of test automation, improving the test effect and efficiency and increasing the safety.
The lower computer consists of the MCU and the peripheral devices to form the control board, the manufacturing cost is low, meanwhile, the lower computer MCU is communicated with the PC upper computer, different test programs are programmed on the needle bed at any time through the PC upper computer, different targeted tests are conveniently carried out on different test boards, the test execution speed is high, the test operation is simple and direct, the PC is convenient for file processing, data output and the like of test results, the data intercommunication of tested equipment is facilitated, and the industrial informatization is realized.
Drawings
FIG. 1 is a connection block diagram of a low cost fully automatic FCT tester.
Fig. 2 is a schematic structural diagram of an FCT test stand in a low-cost fully-automatic FCT tester.
Fig. 3 is a schematic diagram showing connection between the FCT lower computer MCU and the actuator module in the low-cost full-automatic FCT tester.
Fig. 4 is a schematic connection diagram of the FCT lower computer MCU and the programming program module in the low-cost full-automatic FCT tester.
Fig. 5 is a schematic diagram showing connection between the FCT lower computer MCU and the power-on/off module in the low-cost full-automatic FCT tester.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only a few embodiments of the present invention; but not all embodiments. Based on the embodiments in the present invention; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "provided," "connected," and "connected" are to be construed broadly; for example, the connection may be fixed connection, detachable connection, or integral connection, mechanical connection, electrical connection, direct connection, indirect connection via an intermediate medium, or communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-5, a low-cost full-automatic FCT tester comprises a mechanical arm and an FCT test board, wherein a vision system is arranged on the mechanical arm, the FCT test board is fixedly connected with a needle bed through an interface, the needle bed is fixedly connected with a tested board through the interface, the needle bed and the tested board are provided with a plurality of groups, and the needle bed and the tested board are arranged in a one-to-one correspondence manner; the mechanical arm with the visual recognition function positions the direction of the detected board through the bar code position of the detected board, and accordingly automatically picks up the detected PCBA board from the production line and places the detected PCBA board at a fixed position on the needle bed.
The FCT test stand leaves an interface for interfacing with the test bed, and various beds are made to accommodate various similar types of product testing.
The FCT test stand comprises an FCT lower computer and a PC upper computer, the FCT lower computer comprises an FCT lower computer MCU, the FCT lower computer MCU is in communication connection with an isolation optocoupler communication circuit, the isolation optocoupler communication circuit is in communication connection with the PC upper computer, the PC upper computer is in power connection with a multifunctional ammeter, and the multifunctional ammeter is connected with an external commercial power AC220V through a leakage report module;
the isolated optical coupler communication circuit is in communication connection with the tested plate and the intelligent mechanical arm, the tested plate is connected with the AD sampling module, and the AD sampling module is connected with the isolated optical coupler communication circuit;
the FCT lower computer MCU is connected with an executing mechanism module, a programming program module and a power-on discharging module, wherein the executing mechanism module is used for controlling the actions of a machine table ceiling, detecting and stamping, a mechanical arm and the like, the lower computer is provided with 12V/24V two paths of output power supplies by an external switching power supply, and the 12V supplies power to the MCU through a voltage reduction circuit and drives a 12V relay (a strong current relay, a programming relay); 24V is used for driving an actuating mechanism relay (a machine table top plate acts, a detection seal, a mechanical arm and the like); the PC sends an instruction to the MCU of the lower computer through the communication module to control the mechanical arm to take the board, the intelligent mechanical arm grabs the board to be tested and places the board at a corresponding position on the test needle bed, the PC can start pressing the board down through communication, the PC tells the lower computer to start pressing the board down, a pressing in-place signal button tells the MCU of the lower computer to press in place, a board detection key detects that the board to be tested is on the needle bed, a programming relay suction instruction is sent, and programming operation is started; the programming is completed, the function detection is started, and the power-on relay is attracted to the board to be tested for power-on; the lower computer MCU sends an instruction to the tested board through communication of the internal and external machines, so that the tested board runs corresponding internal programs to call the peripheral equipment, the power parameters of the tested board are sampled to the lower computer MCU through AD, the lower computer MCU communicates data to the PC upper computer, and the power parameters and the like are sent to the PC upper computer through the multifunctional ammeter. The PC upper computer obtains the data to judge and give out the test results of each test item, displays the test results through the man-machine interaction interface and stores the test data into the database.
The execution mechanism module comprises a driver, a relay and a driving cylinder, wherein the information input end of the FCT lower computer MCU is connected with the RC filter module, the RC filter module is connected with the self-resetting switch, the self-resetting switch is arranged on the needle bed, the information output end of the FCT lower computer MCU is connected with the driver, the driver is connected with the relay in an electrified manner, the relay is connected with the driving cylinder in a communication manner, and the driving cylinder is connected with the FCT lower computer MCU through a feedback signal line; the self-resetting switch can be provided with a photoelectric pair tube for detecting whether a tested plate is positioned on the test bench; the FCT lower computer MCU detects upper plate information by detecting the self-resetting button, and sends a test board upper plate pressing instruction to drive a relay to be attracted, so that the cylinder pressing operation is controlled, the cylinder is pressed to a position, and a lower limit induction switch on the cylinder can tell the FCT lower computer MCU that the upper plate is pressed in place; and sending a start test command.
The programming program module comprises a weak current relay, the weak current relay is connected with a weak current power supply, the FCT lower computer MCU is connected with the weak current relay through a sucking signal line driving module, the weak current relay is connected with the needle bed in an electrified mode, the FCT lower computer MCU is connected with a PC upper computer through a programming result mutual communication line and a PC upper computer in a communication mode, and the PC upper computer is connected with the needle bed in a communication mode through a programming program.
The power-on discharging module comprises a strong-current relay, the strong-current relay is connected with a strong-current power supply, the MCU of the FCT lower computer is connected with the strong-current relay through a sucking signal line driving module, the driving module is connected with the strong-current relay, the input end of the strong-current relay is connected with a multifunctional ammeter, the output end of the strong-current relay is connected with a needle bed in an electrified manner, and the MCU of the FCT lower computer is connected with the PC upper computer through a 485-to-232 communication circuit; the test starting FCT lower computer MCU firstly sends a program programming command to enable the programming relay to be attracted, the PC is used for programming a program for a tested board through the closed relay, the programming result PC is communicated with the FCT lower computer MCU, whether the function test is continued or not is confirmed according to the programming result, the test starting FCT lower computer MCU is used for supplying power for the tested board through the attracting relay, the lower computer MCU is communicated with the tested board through an isolated optocoupler communication circuit, and an instruction is sent to the tested board on a needle bed, so that the tested board runs the internal program of the tested board to drive peripheral equipment, a press, a fan, an electronic expansion valve and the like; the test data such as the running power and the like related to the test data are directly sent to the PC upper computer through the COM port by the multifunctional ammeter. The data such as the power supply voltage of the tested board is acquired by an AD sampling module on the FCT lower computer, the data is transmitted to a PC upper computer by an MCU of the FCT lower computer through a 485-232 conversion module, and the data is displayed on a man-machine interaction interface, and the PC upper computer can upload the complete test data to a system cloud. And (3) completing the test, driving the mechanical arm to take off the tested board, and continuing to flow down the test pass, or else taking off the PCBA which does not pass the test.
The working principle of the invention is as follows: the invention well controls the mechanical arm through the vision system, the mechanical arm positions the direction of the tested plate through the bar code position of the tested plate, and accordingly, PCBA is automatically picked up from the production line and placed at a fixed position on the needle plate, thereby improving the degree of test automation, improving the test effect and efficiency and increasing the safety.
The lower computer consists of the MCU and the peripheral devices to form the control board, the manufacturing cost is low, meanwhile, the lower computer MCU is communicated with the PC upper computer, different test programs are programmed on the needle bed at any time through the PC upper computer, different targeted tests are conveniently carried out on different test boards, the test execution speed is high, the test operation is simple and direct, the PC is convenient for file processing, data output and the like of test results, the data intercommunication of tested equipment is facilitated, and the industrial informatization is realized.
As would be apparent to one skilled in the art; it is obvious that the invention is not limited to the details of the above-described exemplary embodiments; and without departing from the spirit or essential characteristics of the invention; the invention can be embodied in other specific forms. Thus, the method comprises the steps of; from either point of view; the embodiments should be considered as exemplary; and is non-limiting; the scope of the invention is indicated by the appended claims rather than by the foregoing description; it is therefore intended to include within the invention all changes that fall within the meaning and range of equivalency of the claims. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it is provided that; it should be understood that; although the present description describes embodiments; but not every embodiment contains only one independent technical solution; this manner of description is for clarity only; the skilled artisan should recognize the specification as a whole; the technical solutions in the embodiments may also be combined appropriately; forming other embodiments as will be appreciated by those skilled in the art.
Claims (6)
1. The low-cost full-automatic FCT tester comprises a mechanical arm and an FCT test bench, and is characterized in that a visual system is arranged on the mechanical arm, the FCT test bench is fixedly connected with a needle bed through an interface, the needle bed is fixedly connected with a tested plate through the interface, the mechanical arm with a visual recognition function positions the direction of the tested plate through the bar code position of the tested plate, and accordingly, the tested PCBA plate is automatically picked up from a production line and placed at a fixed position on the needle bed; the FCT test bench is provided with an interface for butt joint of test needle beds, and various needle beds are manufactured for adapting to various similar type product tests;
the FCT test bench comprises an FCT lower computer and a PC upper computer, wherein the FCT lower computer comprises an FCT lower computer MCU, the FCT lower computer MCU is in communication connection with an isolation optocoupler communication circuit, the isolation optocoupler communication circuit is in communication connection with the PC upper computer, and the PC upper computer is in power connection with the multifunctional ammeter;
the isolated optocoupler communication circuit is in communication connection with the tested plate and the intelligent mechanical arm, the tested plate is connected with the AD sampling module, and the AD sampling module is connected with the isolated optocoupler communication circuit;
the FCT lower computer MCU is connected with the execution mechanism module, the programming program module and the power-on discharging module;
the execution mechanism module comprises a driver, a relay and a driving cylinder, wherein the information input end of the FCT lower computer MCU is connected with the RC filter module, the RC filter module is connected with the self-resetting switch, the self-resetting switch is arranged on the needle bed, the information output end of the FCT lower computer MCU is connected with the driver, the driver is connected with the relay in an electrifying way, the relay is connected with the driving cylinder in a communication way, and the driving cylinder is connected with the FCT lower computer MCU through a feedback signal wire; the FCT lower computer MCU detects upper plate information by detecting the self-reset switch, and the FCT lower computer MCU sends a test table upper plate pressing instruction to drive the relay to be attracted, so that the driving cylinder pressing operation is controlled, the driving cylinder is pressed to a position, and a lower limit sensing switch on the driving cylinder feeds back an upper plate pressing in-place signal to the FCT lower computer MCU; sending a start test command;
the programming program module comprises a weak current relay, the weak current relay is connected with a weak current power supply, an FCT lower computer MCU is connected with the weak current relay through a sucking signal line driving module, the weak current relay is connected with a needle bed in an electrified mode, the FCT lower computer MCU is connected with a PC upper computer through a communication line of a programming result, and the PC upper computer is connected with the needle bed in a communication mode through a programming program; the test starts the MCU of the FCT lower computer to send a program programming command to enable the weak current relay to be attracted, the PC upper computer records the program of the tested board through the closed weak current relay, and the PC and the MCU of the FCT lower computer address record results;
the power-on discharging module comprises a strong-current relay, the strong-current relay is connected with a strong-current power supply, the FCT lower computer MCU is connected with the strong-current relay through a sucking signal line driving module, the driving module is connected with the strong-current relay, the input end of the strong-current relay is connected with the multifunctional ammeter, the output end of the strong-current relay is connected with the needle bed in an electrified manner, the FCT lower computer MCU starts to supply power to a tested plate on the needle bed through the strong-current relay, and the FCT lower computer MCU sends an instruction to the tested plate on the needle bed;
the FCT lower computer MCU is connected with the PC upper computer through a 485-to-232 communication circuit; the tested board power voltage data is collected by an AD sampling module on the FCT lower computer, is transmitted to the PC upper computer by an FCT lower computer MCU through a 485-232 module, is displayed on a human-computer interaction interface, and is tested, the tested board is taken down by driving the mechanical arm, the test passes can continue to flow down, and otherwise, the PCBA which does not pass the test can be taken down.
2. The low-cost full-automatic FCT tester according to claim 1, wherein the needle bed and the tested plate are provided with a plurality of groups, and the needle bed and the tested plate are arranged in a one-to-one correspondence.
3. The low-cost fully automatic FCT tester of claim 2, wherein said multifunctional meter is connected to an external utility AC220V via a bushing module, an isolated power supply.
4. A low cost fully automatic FCT tester according to claim 3, wherein said self-resetting switch is provided with a pair of photocells for detecting whether a board under test is located on the test bed.
5. The low-cost fully-automatic FCT tester according to claim 4, wherein the actuator module is used for controlling the actions of the machine table top plate, detecting stamping and the mechanical arm.
6. The low-cost full-automatic FCT tester according to claim 5, wherein the PC host computer is used for judging data, giving test results of each test item, displaying the test results through a human-computer interaction interface, and storing the test data into a database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311796507.8A CN117741407A (en) | 2023-12-25 | 2023-12-25 | Low-cost full-automatic FCT tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311796507.8A CN117741407A (en) | 2023-12-25 | 2023-12-25 | Low-cost full-automatic FCT tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117741407A true CN117741407A (en) | 2024-03-22 |
Family
ID=90250754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311796507.8A Pending CN117741407A (en) | 2023-12-25 | 2023-12-25 | Low-cost full-automatic FCT tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117741407A (en) |
-
2023
- 2023-12-25 CN CN202311796507.8A patent/CN117741407A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202351358U (en) | On-line testing device of PCB (printed circuit board) of electric energy meter | |
| CN104237765B (en) | It is integrated in the FCT automatization test system of ICT equipment | |
| CN205539367U (en) | PCBA function automatic test system | |
| CN104933928A (en) | Practical training device capable of detecting wiring correctness of circuit automatically | |
| CN111487554A (en) | Automatic testing system and method for direct current-to-direct current power supply module | |
| CN207895044U (en) | A kind of device for detecting automobile electronic switch electrical property | |
| CN203204126U (en) | Servo driving plate card testing device | |
| CN109521357A (en) | A kind of single board testing system integrating program burn writing, circuit functionality test | |
| CN102207538B (en) | Multifunctional dry reed pipe tester | |
| WO2021051773A1 (en) | Isolation switch ex-factory inspection assembly line | |
| CN205404749U (en) | Be applied to veneer automated inspection appearance of smart electric meter production line | |
| CN205176218U (en) | Micro -gap switch testing arrangement | |
| CN110702386B (en) | Stand for endurance comprehensive test of limiter | |
| CN110609511A (en) | Full-automatic test system, method and storage medium for power automation device plug-in | |
| CN208833886U (en) | Electric tool switch test device and system | |
| CN107526354B (en) | Automatic test method and test device for electric vehicle controller | |
| CN204288628U (en) | Mainboard pick-up unit | |
| CN117741407A (en) | Low-cost full-automatic FCT tester | |
| CN201212437Y (en) | Electric-controlled fuel injector detecting bench based on configuration software and PLC | |
| CN210038541U (en) | Function test system of motor controller PCBA board | |
| CN105445658A (en) | Contactor performance detection device | |
| CN202870262U (en) | Durability tester for automobile relay | |
| CN112763897A (en) | Wearable medical product mainboard function testing device | |
| CN102706384A (en) | Detection device of accelerator position sensor | |
| CN202614275U (en) | Accelerator position sensor detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |