CN219871653U - Probe testing device with pressure adjustment function - Google Patents
Probe testing device with pressure adjustment function Download PDFInfo
- Publication number
- CN219871653U CN219871653U CN202320862393.1U CN202320862393U CN219871653U CN 219871653 U CN219871653 U CN 219871653U CN 202320862393 U CN202320862393 U CN 202320862393U CN 219871653 U CN219871653 U CN 219871653U
- Authority
- CN
- China
- Prior art keywords
- probe
- pressure
- circuit board
- connecting seat
- plate
- 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.)
- Active
Links
- 239000000523 sample Substances 0.000 title claims abstract description 99
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000007373 indentation Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a probe testing device with pressure regulation, a base and a detection mechanism; and (2) base: the upper end of the fixing plate is connected with the fixing plate through a fastening screw, the rear side of the upper end of the fixing plate is provided with a mounting frame, the front side of the upper end of the fixing plate is provided with a placing groove, the front end of the mounting frame is provided with a guide chute, the inside of the mounting frame is slidably connected with a mounting plate, the front end of the mounting plate is provided with a connecting seat, and the connecting seat is slidably connected with the guide chute; the detection mechanism comprises: the pressure-adjustable probe testing device comprises a fixing column, an adjusting plate, an insulating rubber seat and a probe, wherein the fixing column is arranged in a mounting groove formed in the lower end of the connecting seat, the pressure of the probe to a circuit board can be adjusted through the connecting seat, the accuracy is relatively high, the condition that the probe is too high in pressure to the circuit board and the surface coating of the circuit board is caused to generate indentation or even damage is prevented, and meanwhile, the probe can be self-locked through a screw rod structure after being adjusted.
Description
Technical Field
The utility model relates to the technical field of circuit board detection equipment, in particular to a probe testing device with pressure regulation.
Background
The circuit board is widely applied in life, and is quite common, for example, a computer, a mobile phone, a led lamp, articles with different sizes such as household appliances are all provided with different circuit boards, when the circuit board is damaged, the circuit board is a finer article, and under the condition of serious damage, whether the circuit board is damaged or not is difficult to observe by naked eyes, and the performance of the circuit board is detected by a probe testing device under the condition of common coping with the condition;
when the probe testing device is used, the probe is driven by driving equipment such as an electric push rod to move, after the probe is tightly attached to the upper surface of the circuit board, the probe is electrified through the regulation and control of the control equipment, the circuit board electrically connects the two probes, at the moment, a passage switch formed by the two probes is closed, then a worker checks whether the circuit board has current leakage through external equipment, and when the circuit board does not have current leakage, the control equipment gradually increases the voltage provided for the probe, so that the voltage-resisting capacity of the circuit board is tested;
the existing probe testing device drives the probe to move through driving equipment such as an electric push rod and the like, so that the pressure of the probe to the circuit board is adjusted, the accuracy of the probe to the circuit board is low due to the fact that the adjusting amplitude of the electric push rod is large, the condition that the pressure of the probe to the circuit board is overlarge to cause indentation or even damage of a surface coating of the circuit board easily occurs, part of the probe testing device drives the probe to move through a linear motor, the adjusting amplitude is small, but the linear motor is often required to be additionally provided with a self-locking unit, and adjustment is complex.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the probe testing device with pressure regulation, which can regulate the pressure of a probe to a circuit board through the matching arrangement of a screw and a mounting plate, has smaller regulation amplitude and relatively higher precision, can prevent the condition that the pressure of the probe to the circuit board is overlarge so as to cause the surface coating of the circuit board to generate indentation or even damage, can realize self-locking through a screw structure after the probe is regulated, is simpler to operate, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a probe testing device with pressure regulation, a base and a detection mechanism;
and (2) base: the upper end of the fixing plate is connected with the fixing plate through a fastening screw, the rear side of the upper end of the fixing plate is provided with a mounting frame, the front side of the upper end of the fixing plate is provided with a placing groove, the front end of the mounting frame is provided with a guide chute, the inside of the mounting frame is slidably connected with a mounting plate, the front end of the mounting plate is provided with a connecting seat, and the connecting seat is slidably connected with the guide chute;
the detection mechanism comprises: the device comprises a fixed column, an adjusting plate, an insulating rubber seat and probes, wherein the fixed column is arranged in a mounting groove arranged at the lower end of a connecting seat, the adjusting plate is in sliding connection with the inner wall of the fixed column, the front side and the rear side of the lower end of the adjusting plate are respectively provided with the insulating rubber seat, the lower ends of the insulating rubber seats are respectively provided with the probes, and the probes are respectively in sliding connection with sliding holes arranged at the lower ends of the fixed column;
wherein: still include the singlechip, the singlechip sets up in the front end of base, and the input of singlechip is connected with the external power source electricity, and the input of the probe of front side is connected with the input electricity of singlechip, and two probes cooperation installations are set up through the cooperation of screw rod and mounting panel, can adjust the pressure of probe for the circuit board through the connecting seat, and the regulating amplitude is less, and the precision is higher relatively, thereby prevents that the probe from producing the too big condition that leads to the surface coating of circuit board to produce indentation even damage for the pressure of circuit board, can pass through the lead screw structure auto-lock after adjusting the probe simultaneously, and the operation is simpler.
Further, detection mechanism still includes direction traveller and spring, the direction traveller all sets up in the inside of fixed column, and direction traveller corresponds the direction slide hole sliding connection that sets up with the regulating plate upper end respectively, and the spring sets up respectively between the roof of upper end and fixed column of regulating plate, and the outside of direction traveller upside is located to the equal cover of spring, and after the work, the elasticity that the spring extension produced can drive the probe through the regulating plate and reset.
Further, the detection mechanism further comprises a pressure detector, the pressure detector is arranged in the middle of the top wall of the fixed column, the pressure detector is electrically connected with the singlechip in a bidirectional manner, and the pressure of the probe to the circuit board can be detected.
Further, still include the stiffening rib, the stiffening rib sets up respectively in the downside at both ends about the installing frame, and the lower extreme of stiffening rib all is connected with the upper end fixed of fixed plate, and the existence of stiffening rib has improved the stability of installing frame.
Further, still include screw rod and belt pulley, the screw rod is connected in the inside left and right sides of installing frame through the bearing rotation respectively, screw rod correspond the screw hole threaded connection that sets up with the mounting panel upper end respectively, and the belt pulley all sets up in the upside of screw rod extrados, connects through belt drive between two belt pulleys, can pass through the position of mounting panel adjustment connecting seat.
Further, still include servo motor, servo motor sets up in the left side of installing frame upper end, servo motor output shaft's lower extreme and the upper end fixed connection of left screw rod, servo motor's input and the output electricity of singlechip are connected, can pass through the position of screw rod adjustment mounting panel.
Further, still include the support column, the support column sets up in the four corners of base lower extreme, realizes the support fixed to base and top structure.
Compared with the prior art, the utility model has the beneficial effects that: the probe testing device with pressure regulation has the following advantages:
the circuit board to be tested is placed in the placing groove, at this moment, through the regulation and control of the singlechip, the servo motor starts to operate, the output shaft of the servo motor drives the left screw rod to rotate, at this moment, the left belt pulley drives the right belt pulley to rotate through the belt, thereby drive two screw rods to rotate, the screw rod drives the connecting seat to move downwards through the mounting plate in the rotating process, after the probe contacts with the upper surface of the circuit board, the probe starts to drive the regulating plate to move upwards along the guide slide column under the pressure of the circuit board, the spring contracts, when the regulating plate contacts with the probe arranged at the lower end of the pressure detector, the connecting seat is used for applying a downward pressure to the probe through the probe arranged at the lower end, the lower end of the probe is tightly attached to the upper surface of the circuit board, the pressure applied to the probe is equal to the pressure of the circuit board through the probe, thereby the pressure detector is used for detecting the pressure of the circuit board through the probe, the pressure of the screw rod and the mounting plate is set up through the cooperation of the mounting plate, the pressure of the connecting seat regulating the probe to the circuit board, the regulating amplitude is relatively small, the precision is relatively high, the phenomenon that the pressure of the probe to the circuit board is excessively high, the surface of the circuit board is caused, even the indentation is generated, and the condition of the circuit board can be simply regulated, and the self-locking structure is simple.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;
fig. 3 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1 base, 2 singlechip, 3 fixed plates, 4 installing frames, 5 installing plates, 6 guiding sliding grooves, 7 connecting seats, 8 testing mechanisms, 81 fixed columns, 82 adjusting plates, 83 insulating rubber seats, 84 probes, 85 guiding sliding columns, 86 springs, 87 pressure detectors, 9 placing grooves, 10 screws, 11 belt pulleys, 12 servo motors, 13 supporting columns and 14 reinforcing ribs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a probe testing device with pressure regulation, a base 1 and a detection mechanism 8;
base 1: the upper end of the circuit board is connected with a fixing plate 3 through a fastening screw, the rear side of the upper end of the fixing plate 3 is provided with a mounting frame 4, the front side of the upper end of the fixing plate 3 is provided with a placing groove 9, the front end of the mounting frame 4 is provided with a guide chute 6, the inside of the mounting frame 4 is slidably connected with a mounting plate 5, the front end of the mounting plate 5 is provided with a connecting seat 7, the connecting seat 7 is slidably connected with the guide chute 6, a circuit board to be tested is placed into the placing groove 9 during operation, then the circuit board is detected through a detection device, in the detection process, a worker checks whether the circuit board has current leakage through an external device, and when the circuit board does not have the current leakage, an adjusting device gradually increases the voltage provided for the detection device, so that the voltage-resisting capability of the circuit board is tested;
detection mechanism 8: the detecting mechanism 8 further comprises a guide slide column 85 and a spring 86, the guide slide column 85 is arranged in the fixing column 81, the guide slide column 85 is in sliding connection with the guide slide hole correspondingly arranged at the upper end of the adjusting plate 82, the spring 86 is respectively arranged between the upper end of the adjusting plate 82 and the top wall of the fixing column 81, the spring 86 is sleeved outside the upper side of the guide slide column 85, the detecting mechanism 8 further comprises a pressure detector 87, the pressure detector 87 is arranged in the middle of the top wall of the fixing column 81, the pressure detector 87 is electrically connected with the singlechip 2 in a bidirectional manner, a circuit board to be tested is placed into the placing groove 9, at the moment, the driving device starts to operate through the regulation and control of the control device, the connecting seat 7 is driven to move downwards through the mounting plate 5, after the probe 84 contacts with the upper surface of the circuit board, the probe 84 starts to drive the adjusting plate 82 to move upwards along the guide slide column 85 under the pressure of the circuit board, the spring 86 contracts, when the adjusting plate 82 contacts with the probe arranged at the lower end of the pressure detector 87, the connecting seat 7 applies a downward pressure to the probe 84 through the probe arranged at the lower end of the pressure detector 87, the lower end of the probe 84 is tightly attached to the upper surface of the circuit board, at the moment, the pressure applied by the probe is equal to the pressure applied by the probe 84 to the circuit board, so that the pressure detector 87 detects the pressure applied by the probe 84 to the circuit board through the probe, through the cooperation setting of screw rod 10 and mounting panel 5, can adjust the pressure of probe 84 for the circuit board through connecting seat 7, the regulating amplitude is less, and the precision is relatively higher, thereby prevent that the too big pressure of probe 84 for the circuit board from leading to the surface coating of circuit board to produce the condition of indentation even damage, can auto-lock through the lead screw structure after adjusting probe 84 simultaneously, the structure is simpler;
wherein: still include singlechip 2, singlechip 2 sets up in the front end of base 1, and the input of singlechip 2 is connected with external power source electricity, and the input of the probe 84 of front side is connected with the input electricity of singlechip 2, and two probes 84 cooperation installations can regulate and control the inside electrical components of equipment.
Wherein: still include stiffening rib 14, stiffening rib 14 set up respectively in the downside at both ends about installing frame 4, and the lower extreme of stiffening rib 14 is all with fixed connection of the upper end of fixed plate 3, and the existence of stiffening rib 14 has improved installing frame 4's stability.
Wherein: still include screw rod 10 and belt pulley 11, screw rod 10 rotates through the bearing respectively and connects in the inside left and right sides of installing frame 4, screw rod 10 corresponds the screw hole threaded connection that sets up with mounting panel 5 upper end respectively, belt pulley 11 all sets up in the upside of screw rod 10 extrados, connect through belt transmission between two belt pulleys 11, drive equipment's output shaft drives left screw rod 10 rotatory, left belt pulley 11 passes through the belt and drives the belt pulley 11 rotation on right side this moment, thereby drive two screw rods 10 rotations, screw rod 10 drives connecting seat 7 downwardly moving through mounting panel 5 at rotatory in-process.
Wherein: still include servo motor 12, servo motor 12 sets up in the left side of installing frame 4 upper end, servo motor 12 output shaft's lower extreme and the upper end fixed connection of left screw rod 10, servo motor 12's input and the output electricity of singlechip 2 are connected, through the regulation and control of singlechip 2, servo motor 12 begins the operation, servo motor 12's output shaft drives left screw rod 10 rotatory, left belt pulley 11 passes through the belt and drives right belt pulley 11 rotatory this moment, thereby drive two screw rods 10 rotation, screw rod 10 drives connecting seat 7 downwardly moving through mounting panel 5 at rotatory in-process.
Wherein: the pressure-adjusting probe testing device is arranged at four corners of the lower end of the base 1, the pressure-adjusting probe testing device is moved to a designated working place before use, and then the support columns 13 are in butt joint with corresponding station installation, so that the base 1 and the upper structure are supported and fixed.
The utility model provides a probe testing device with pressure regulation, which has the following working principle: before use, the probe testing device with pressure regulation is moved to a designated working place, then the supporting column 13 is installed and butted with a corresponding station, so that the base 1 and a structure above the base are supported and fixed, then a circuit board to be tested is placed into the placing groove 9, at the moment, the servo motor 12 starts to operate under the regulation and control of the single chip microcomputer 2, the output shaft of the servo motor 12 drives the left screw 10 to rotate, so that the left belt pulley 11 drives the right belt pulley 11 to rotate through a belt, thereby driving the two screws 10 to rotate, the screw 10 drives the connecting seat 7 to move downwards through the mounting plate 5 in the rotating process, after the probe 84 is contacted with the upper surface of the circuit board, the probe 84 starts to drive the adjusting plate 82 to move upwards along the guide sliding column 85 under the pressure of the circuit board, the spring 86 contracts, after the adjusting plate 82 is contacted with the probe arranged at the lower end of the pressure detector 87, the connecting seat 7 applies downward pressure to the probe 84 through the probe arranged at the lower end of the pressure detector 87, so that the lower end of the probe 84 is tightly attached to the upper surface of the circuit board, the pressure applied by the probe is equal to the pressure applied by the probe 84 to the circuit board, so that the pressure detector 87 detects the pressure applied by the probe 84 to the circuit board through the probe, the pressure detector 87 transmits detected data to the singlechip 2 in real time, the condition that the pressure applied by the probe 84 to the circuit board is overlarge to cause the surface coating of the circuit board to generate indentation or even damage is prevented, at this time, the probe 84 at the front side is electrified through the regulation and control of the singlechip 2, the circuit board is electrically connected with the two probes 84, at this time, a passage switch formed by the two probes 84 is closed, then a worker checks whether the circuit board has current leakage through external equipment, when the current leakage condition does not occur on the circuit board, the singlechip 2 gradually increases the voltage supplied to the front-side probe 84, thereby testing the voltage withstand capability of the circuit board.
It should be noted that, in the above embodiment, the single-chip microcomputer 2 may be STM8S207S8T6C, the servo motor 12 may be ECMA-C20604RS, the pressure detector 87 may be OHR-M2, and the single-chip microcomputer 2 controls the servo motor 12 and the pressure detector 87 to work by methods commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a take pressure adjustment's probe testing arrangement which characterized in that: a base (1) and a detection mechanism (8);
base (1): the upper end of the fixing plate is connected with a fixing plate (3) through a fastening screw, the rear side of the upper end of the fixing plate (3) is provided with a mounting frame (4), the front side of the upper end of the fixing plate (3) is provided with a placing groove (9), the front end of the mounting frame (4) is provided with a guide chute (6), the inside of the mounting frame (4) is slidably connected with a mounting plate (5), the front end of the mounting plate (5) is provided with a connecting seat (7), and the connecting seat (7) is slidably connected with the guide chute (6);
detection mechanism (8): the device comprises a fixed column (81), an adjusting plate (82), an insulating rubber seat (83) and a probe (84), wherein the fixed column (81) is arranged in a mounting groove arranged at the lower end of a connecting seat (7), the adjusting plate (82) is in sliding connection with the inner wall of the fixed column (81), the insulating rubber seat (83) is respectively arranged at the front side and the rear side of the lower end of the adjusting plate (82), the probe (84) is respectively arranged at the lower end of the insulating rubber seat (83), and the probe (84) is respectively in sliding connection with a sliding hole arranged at the lower end of the fixed column (81);
wherein: the multifunctional electric power supply device is characterized by further comprising a single chip microcomputer (2), wherein the single chip microcomputer (2) is arranged at the front end of the base (1), the input end of the single chip microcomputer (2) is electrically connected with an external power supply, the input end of a probe (84) at the front side is electrically connected with the input end of the single chip microcomputer (2), and the two probes (84) are installed in a matched mode.
2. The pressure-regulated probe test device of claim 1, wherein: the detection mechanism (8) further comprises a guide slide column (85) and a spring (86), the guide slide column (85) is arranged inside the fixed column (81), the guide slide column (85) is respectively connected with the upper end of the adjusting plate (82) in a sliding mode through guide slide holes correspondingly arranged, the spring (86) is respectively arranged between the upper end of the adjusting plate (82) and the top wall of the fixed column (81), and the spring (86) is respectively sleeved outside the upper side of the guide slide column (85).
3. The pressure-regulated probe test device of claim 1, wherein: the detection mechanism (8) further comprises a pressure detector (87), the pressure detector (87) is arranged in the middle of the top wall of the fixed column (81), and the pressure detector (87) is electrically connected with the singlechip (2) in a bidirectional mode.
4. The pressure-regulated probe test device of claim 1, wherein: the fixing device further comprises reinforcing ribs (14), wherein the reinforcing ribs (14) are respectively arranged on the lower sides of the left end and the right end of the mounting frame (4), and the lower ends of the reinforcing ribs (14) are fixedly connected with the upper ends of the fixing plates (3).
5. The pressure-regulated probe test device of claim 1, wherein: still include screw rod (10) and belt pulley (11), screw rod (10) are connected in the inside left and right sides of installing frame (4) through the bearing rotation respectively, screw rod (10) correspond the screw hole threaded connection that sets up with mounting panel (5) upper end respectively, and belt pulley (11) all set up in the upside of screw rod (10) extrados, are connected through belt transmission between two belt pulleys (11).
6. The pressure-regulated probe test apparatus of claim 5, wherein: the automatic feeding device is characterized by further comprising a servo motor (12), wherein the servo motor (12) is arranged on the left side of the upper end of the mounting frame (4), the lower end of an output shaft of the servo motor (12) is fixedly connected with the upper end of the left screw (10), and the input end of the servo motor (12) is electrically connected with the output end of the single chip microcomputer (2).
7. The pressure-regulated probe test device of claim 1, wherein: the novel multifunctional support column comprises a base (1), and is characterized by further comprising support columns (13), wherein the support columns (13) are arranged at four corners of the lower end of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862393.1U CN219871653U (en) | 2023-04-18 | 2023-04-18 | Probe testing device with pressure adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862393.1U CN219871653U (en) | 2023-04-18 | 2023-04-18 | Probe testing device with pressure adjustment function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871653U true CN219871653U (en) | 2023-10-20 |
Family
ID=88347639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320862393.1U Active CN219871653U (en) | 2023-04-18 | 2023-04-18 | Probe testing device with pressure adjustment function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146752A (en) * | 2023-10-27 | 2023-12-01 | 山东合盛铜业有限公司 | Copper foil thickness detector and detection method |
-
2023
- 2023-04-18 CN CN202320862393.1U patent/CN219871653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117146752A (en) * | 2023-10-27 | 2023-12-01 | 山东合盛铜业有限公司 | Copper foil thickness detector and detection method |
| CN117146752B (en) * | 2023-10-27 | 2024-02-02 | 山东合盛铜业有限公司 | Copper foil thickness detection Instrument and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219871653U (en) | Probe testing device with pressure adjustment function | |
| WO2020207271A1 (en) | Device for testing service life in simulated environment | |
| CN207593210U (en) | A kind of filature being easily installed | |
| CN114975152A (en) | High-precision automatic detection and packaging integrated device for chip components | |
| CN219778868U (en) | CP testing device for semiconductor assembly | |
| CN210626572U (en) | Life test device under simulation environment | |
| CN117478066A (en) | EL detection device for photovoltaic module | |
| CN207119994U (en) | A kind of tooth machining unit slide rest device | |
| CN220984478U (en) | Chip three-temperature test manipulator sorting machine | |
| CN219456250U (en) | Mainboard FCT testing arrangement | |
| CN220933123U (en) | Power device testing device | |
| CN208125510U (en) | A kind of multiple groups grid cell piece horizontal tensile testing machine | |
| CN219697363U (en) | Electric power cable inspection mechanism | |
| CN220708437U (en) | Clean room temperature humidity detection device | |
| CN217332722U (en) | Drive plate needle bed ICT test fixture | |
| CN219367346U (en) | Simple constant force spring measuring instrument for grounding device | |
| CN215833224U (en) | Thermoplastic inner shielding material aging performance detection equipment | |
| CN214895454U (en) | Probe platform for semiconductor detection | |
| CN111323622A (en) | Vertical double-station battery tester | |
| CN218995461U (en) | Power panel test stand easy to adjust | |
| CN219657807U (en) | Power control circuit board measurement and control platform with clamping structure | |
| CN112504313B (en) | Automatic probe test bench | |
| CN104360220A (en) | Traffic PCB control circuit board variable range online testing device | |
| CN217980756U (en) | Automatic voltage regulation and detection device for mechanical humidity switch | |
| CN213779462U (en) | Accurate efficient key test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |