CN115629292A - Circuit board paster processing test system - Google Patents
Circuit board paster processing test system Download PDFInfo
- Publication number
- CN115629292A CN115629292A CN202211284166.1A CN202211284166A CN115629292A CN 115629292 A CN115629292 A CN 115629292A CN 202211284166 A CN202211284166 A CN 202211284166A CN 115629292 A CN115629292 A CN 115629292A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- air bag
- testing system
- bag type
- type lip
- 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
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2812—Checking for open circuits or shorts, e.g. solder bridges; Testing conductivity, resistivity or impedance
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a circuit board paster processing test system, which comprises: the rotary operation table is provided with a plurality of supporting boxes for placing the circuit board on the table surface; the resistance path testing mechanism comprises a connector and a vertical driving component for driving the connector to move downwards, wherein: the bottom end of the connector is symmetrically provided with a positive contact element and a negative contact element, the positive contact element and the negative contact element both comprise metal sheets arranged on the end faces of the air bag blocks, and the air bag blocks deform to enable the metal sheets to be attached to the positive electrode and the negative electrode of the capacitor or the resistor of the circuit board. According to the circuit board patch processing and testing system provided by the invention, the metal sheet can realize soft contact through the deformation of the airbag block, the occurrence of welding point damage caused by hard landing is avoided, and the metal sheet is attached to the welding point under the driving of the airbag block, so that the stability of contact can be ensured not to be limited by the size and the shape of the welding point.
Description
Technical Field
The invention relates to the technical field of circuit board patch detection equipment, in particular to a circuit board patch processing and testing system.
Background
After the circuit board is subjected to surface mounting and soldering of the resistor or the capacitor is completed, it is necessary to detect whether or not the circuit board is completed with connection. Because the soldering of the resistor or the capacitor is manually finished, the detection is manually carried out in a flow line mode after the detection.
According to publication (bulletin) No.: CN111366871B, published (announced): 2022-06-17, discloses a circuit board paster auxiliary component for electronic component test, involves electronic component paster technical field, includes the tester body, and the tester body includes main part, rotating part and interval adjusting device, and the one end of main part is connected with the rotating part, and the other end of rotating part is provided with interval adjusting device. According to the invention, the steering motor is controlled to work, so that the output gear at the output shaft end of the steering motor is in meshing transmission with the driven gear, and the two pointers are turned over by 180 degrees; the distance adjusting motor is controlled to work, the distance adjusting motor works and drives the screw rod to rotate, the inner screw cylinder seat moves along the axial direction of the screw rod under the threaded connection and meshing relation with the screw rod, and the inner screw cylinder seat pushes and pulls cranks on two sides through the hinged connecting rod, so that the distance between the two pointers is controlled, and the distance between the two pointers is adjusted simply and conveniently.
In the prior art including the above patent, it can be seen that the use of a mechanical structure instead of manual detection is possible because the machine has an incomparable value with manual work, i.e., labor efficiency and labor duration. Mechanical equipment is used for detecting the detection result, so that the labor cost can be greatly reduced. However, the welding position of the resistor or the capacitor is determined, the position of the resistor or the capacitor is fixed in the same circuit board specification, but soldering is manually performed, so that the size and the shape of the welding point cannot be fixed, a mechanical mechanism is adopted for detection, the conductive metal sheet cannot be guaranteed to be in contact with the welding point, and the welding point is deformed and damaged due to the landing force applied to the contact point.
Disclosure of Invention
The invention aims to provide a circuit board patch processing and testing system, which is used for solving the problems.
In order to achieve the above purpose, the invention provides the following technical scheme: a circuit board patch processing test system comprising:
a plurality of support boxes for placing circuit boards are arranged on the table surface of the rotary operation table;
the resistance path testing mechanism comprises a connector and a vertical driving component for driving the connector to move downwards, wherein:
the bottom end of the connector is symmetrically provided with a positive contact element and a negative contact element, the positive contact element and the negative contact element both comprise metal sheets arranged on the end faces of the air bag blocks, and the air bag blocks deform to enable the metal sheets to be attached to the positive electrode and the negative electrode of the capacitor or the resistor of the circuit board.
Preferably, the vertical driving assembly comprises a vertical part and a horizontal part, the horizontal part is arranged on the side wall of the vertical part, a hydraulic expansion piece is arranged on the horizontal part, the output end of the hydraulic expansion piece extends to the other side of the horizontal part, a mounting platform is fixedly mounted on the output end of the hydraulic expansion piece, and the mounting platform is used for mounting the switch-on device.
Preferably, the rotary worktable further comprises a bracket, the rotary worktable is fixed on the bracket, and the vertical part is fixed on the side wall of the bracket, so that the horizontal part is parallel to the rotary worktable.
Preferably, a plurality of channels are formed in the mounting platform, a screw is arranged at one end of the connector, and the screw is clamped on the mounting platform through two nuts so that the connector is locked in the channels.
Preferably, a buzzer is built in the switch-on device, and the buzzer, the positive contact member and the negative contact member constitute a detection circuit.
Preferably, the port of the support box is provided with an air bag type lip edge ring body, a support platform is arranged in the support box in the middle, and the circuit board is clamped and fixed through the air bag type lip edge ring body.
Preferably, one side of the air bag type lip ring body is provided with a rubber leather block, and in an initial state, the rubber leather block is of an arc structure, and the arc top at the outer side is opposite to the support platform.
Preferably, be provided with in the support box and extend to the extension body in the gasbag formula lip limit ring body, the tip of extension body rotates and is provided with a plurality of pendulum rods that are driven to by elastic component elasticity, the pendulum rod is assembled and is used for following two station activities to set up:
the first station is used for overturning a plurality of the air bag type lip edge ring bodies to a preset station towards the inner side of the support box so as to drive the air bag type lip edge ring bodies to deform and clamp the circuit board;
and the air bag type lip ring bodies are restored and unlocked.
Preferably, a rubber cover body is arranged at the bottom of the connector, and the positive contact piece and the negative contact piece are both located in the rubber cover body.
Preferably, the side wall of the mounting platform is provided with a clamping piece, the clamping piece is arranged along the vertical direction, the end part of the clamping piece is provided with a back-off block, the back-off block is specifically of a right-angled triangle structure, and the bevel edge faces the outside.
In the technical scheme, the circuit board patch processing test system provided by the invention has the following beneficial effects: the circuit board is placed in holding in the palm the box, and rotatory through rotatory operation platform, make the circuit board inspect through resistance access accredited testing organization one by one, move down by the drive of vertical drive subassembly when the switch-on ware, when making the sheetmetal contact the solder joint of circuit board, the resistance increase that receives, gasbag piece deformation, thereby make the sheetmetal realize soft contact, avoid the emergence of the solder joint damage that hard landing caused, and the sheetmetal pastes on the solder joint at gasbag piece drive, the stability that can guarantee the contact can not receive the size of solder joint, the form is restricted.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a resistance path testing mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a mounting platform according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a tray provided in an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a tray provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a contactor according to an embodiment of the present invention.
Description of reference numerals:
1. rotating the operation table; 11. a support; 2. supporting the box; 21. a balloon-type lip ring body; 22. an extension body; 23. a saddle; 3. a resistance path testing mechanism; 4. a vertical drive assembly; 41. a vertical portion; 42. a horizontal portion; 43. a hydraulic jack; 5. a switch-on device; 51. a positive electrode contact; 52. a negative contact member; 53. an air bag block; 54. a metal sheet; 55. a screw; 6. mounting a platform; 61. a channel; 62. a fastener; 63. a reversing block; 7. a rubber leather block; 8. an elastic member; 9. a swing rod; 10. a rubber cover body.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-6, a circuit board patch processing test system includes:
the rotary working table 1 is provided with a plurality of supporting boxes 2 for placing circuit boards on the table surface;
a resistance path testing mechanism 3, which comprises a connector 5 and a vertical driving component 4 driving the connector 5 to move downwards, wherein:
the bottom end of the connector 5 is symmetrically provided with a positive contact piece 51 and a negative contact piece 52, the positive contact piece 51 and the negative contact piece 52 both comprise a metal sheet 54 arranged on the end face of an air bag block 53, and the air bag block 53 deforms to enable the metal sheet 54 to be attached to the positive electrode and the negative electrode of a capacitor or a resistor of a circuit board.
Specifically, in the above embodiment, as shown in fig. 1, the vertical driving assembly 4 includes a vertical portion 41 and a horizontal portion 42, the horizontal portion 42 is disposed on a side wall of the vertical portion 41, a hydraulic expansion device 43 is disposed on the horizontal portion 42, an output end of the hydraulic expansion device 43 extends to the other side of the horizontal portion 42 and is fixedly mounted with a mounting platform 6, and the mounting platform 6 is used for mounting the switch-on device 5.
And the rotary table 1 is fixed to the stand 11 and the vertical portion 41 is fixed to a side wall of the stand 11 such that the horizontal portion 42 is parallel to the rotary table 1.
Furthermore, the rotary workbench 1 in the above technical solution includes a base, a workbench top and a driving motor, wherein the bevel gear at the output end of the driving motor drives the bevel gear on the shaft lever of the workbench top, thereby achieving the technical purpose of driving the workbench top to rotate, and the shaft lever of the workbench top is installed on the base. In the embodiment, a plurality of the supporting boxes 2 are arranged on the operation table surface in a circumferential array.
Further, in the above embodiment, the rotary workbench 1 specifically has a manual board placing station and a station for taking out the detected circuit board, and the tray 2 may be a box body with a groove, or an adsorption executing mechanism for adsorbing the circuit board by vacuum suction, or a locking mechanism known to those skilled in the art.
Moreover, the airbag block 53 of the above embodiment may be a ring-shaped, a truncated cone-shaped, a cylinder-shaped, a rectangular, a pentagonal, etc. side, and the metal sheet 54 is a spring sheet and is disposed outside the airbag block 53. In the embodiment, the positive contact 51 and the negative contact 52 are respectively connected to the positive contact and the negative contact of the capacitor or the resistor on the circuit board, and when the current is connected, the system feedback is not performed, otherwise, the system feedback is performed to report an error, and the display on the horizontal portion 42 displays the error.
It should be noted that, the principle of the detection of whether the positive contact and the negative contact of the capacitor or the resistor are connected is the same as that of a normal capacitor detection pen, and is not described in detail.
Among the above-mentioned technical scheme, the circuit board is placed in holding in the palm box 2, and it is rotatory through rotatory operation platform 1, make the circuit board inspect through resistance access accredited testing organization 3 one by one, move down by the drive of vertical drive subassembly 4 when switch-on ware 5, make sheetmetal 54 contact to the solder joint of circuit board, the resistance that receives increases, gasbag piece 53 deformation, thereby make sheetmetal 54 realize the soft contact, avoid the emergence of the solder joint damage that hard landing caused, and sheetmetal 54 pastes on the solder joint at gasbag piece 53 drive, can guarantee that the stability of contact can not receive the size of solder joint, the form is restricted.
As a further embodiment of the present invention, the mounting platform 6 is provided with a plurality of grooves 61, one end of the switch-on device 5 is provided with a screw 55, and the screw 55 is clamped on the mounting platform 6 by two nuts so as to lock the switch-on device 5 in the grooves 61.
Specifically, the switch-on device 5 in the above embodiment is specifically a rectangular structure, and the top of the rectangular structure is provided with a screw, as can be seen from fig. 2, the screw 55 in the embodiment is locked on the mounting platform 6 by connecting two nuts through threads, and the specification of the resistor and the capacitor on the circuit board is flexibly changed to adjust the position of the switch-on device 5 on the mounting platform 6.
As still another embodiment of the present invention, the contactor 5 incorporates a buzzer, and the buzzer constitutes a detection circuit with the positive contact 51 and the negative contact 52.
Specifically, in the above embodiment, the circuit is connected in parallel with a buzzer, when the positive contact 51 and the negative contact 52 are respectively connected with the positive contact and the negative contact of the capacitor or the resistor on the circuit board, the system feedback is not performed when the current is connected, otherwise, the system feedback is performed to report an error, and the display on the horizontal portion 42 displays the error. Meanwhile, the buzzer buzzes to remind of error.
As a further embodiment of the present invention, an air bag type lip ring 21 is disposed at a port of the tray 2, a tray 23 is disposed in the center of the tray 2, and the circuit board is clamped by the air bag type lip ring 21.
Specifically, the air bag type lip edge ring body 21 in the above embodiment is a rounded rectangular structure, and when the circuit board is directly pressed into the tray box 2 by a worker, the circuit board abuts against the tray table 23 and is clamped into the air bag type lip edge ring body 21. Directly buckling and taking down the product after detection is finished; or the external air supply unit is communicated with the air bag type lip edge ring body 21, when the circuit board is directly pressed into the support box 2, the circuit board is abutted against the support table 23, the switch is triggered, and the external air supply preset volume enters the air bag type lip edge ring body 21 to realize locking; or alternatively, the bladder lip ring 21 may be deformed to lock the circuit board as is known to those skilled in the art.
As a further embodiment of the present invention, an extension 22 extending into the air bag type lip ring body 21 is disposed in the holder box 2, a plurality of swing rods 9 elastically driven by the elastic member 8 to select directions are rotatably disposed at the end of the extension 22, and the swing rods 9 are assembled for movably disposing at the following two stations:
a plurality of first stations, which are turned to preset stations towards the inner side of the support box 2 to drive the air bag type lip ring body 21 to deform and clamp the circuit board;
and in the second station, a plurality of the lip ring bodies 21 are turned to the preset station towards the outer side of the support box 2, and the air bag type lip ring bodies 21 are restored and unlocked.
Further, one side of the air bag type lip ring body 21 is provided with a rubber leather block 7, and in an initial state, the rubber leather block 7 is of an arc-shaped structure, and an outer arc top is arranged opposite to the supporting platform 23.
Specifically, when the worker directly presses the circuit board into the support box 2, the side edge of the circuit board contacts with the inner side wall of the air bag type lip edge ring body 21 and presses down to move, the swing rod 9 is deformed and is driven to turn towards the inner side of the support box 2, the elastic part 8 is deformed in the turning process, when the circuit board is turned to a preset station, the elastic part 8 pulls the swing rod 9 to enable the circuit board to turn actively, and finally the circuit board stops moving on a stop block arranged on the extension body 22. The air bag type lip ring body 21 deforms at this time and presses and fixes the circuit board.
When the locking is required to be released, the air bag type lip edge ring body 21 is pulled to deform, so that the swing rod 9 is reversely overturned, when the predetermined station is overturned, the elastic piece 8 pulls the swing rod 9 to enable the swing rod 9 to be actively overturned, the pressing effect of the air bag type lip edge ring body 21 on the circuit board is released, and the rubber leather block 7 jacks up the circuit board, so that a worker can conveniently take the circuit board.
As a further embodiment of the present invention, the side wall of the mounting platform 6 is provided with a clip 62, the clip 62 is arranged in a vertical direction, the end portion thereof is provided with a reverse block 63, the reverse block 63 is embodied in a right triangle structure, and the hypotenuse faces to the outside
Specifically, as can be seen from fig. 2 and 3, when the swing link 9 in the embodiment drives the air bag type lip ring body 21 to deform and press the circuit board, the swing link 9 is disposed obliquely, and an angle formed between the swing link 9 and the circuit board is an acute angle.
When the detection station is executed, the connector 5 is driven by the vertical driving component 4 to move downwards, so that when the metal sheet 54 contacts with a welding point of the circuit board, the resistance is increased, the air bag block 53 is deformed, and the metal sheet 54 is in soft contact.
Meanwhile, the inclined plane of the inverted block 63 is tangent to the side wall of the air bag type lip ring body 21, and synchronously moves inwards under the limit of the swing rod 9, and when the inverted block 63 is separated, the clamping piece 62 rebounds, so that the right-angle edge of the inverted block 63 and the swing rod 9 form hook-pull fit. After the detection is finished, when the switch-on device 5 is driven by the vertical driving component 4 to move upwards, the reversing block 63 pulls the swing rod 9 to move, so that the swing rod 9 reversely overturns, when the switch-on device overturns to a preset station, the elastic part 8 pulls the swing rod 9 to enable the swing rod to actively overturn, the pressing effect of the air bag type lip ring body 21 on the circuit board is relieved, the rubber leather block 7 jacks up the circuit board, and therefore workers can take the circuit board conveniently.
As a further embodiment of the present invention, the bottom of the contactor 5 is provided with a rubber cover 10, and the positive contact piece 51 and the negative contact piece 52 are both located in the rubber cover 10.
Specifically, the rubber cover 10 in the embodiment is used for increasing the soft contact with the circuit board, and meanwhile, the movement of the airbag block 53 is limited, because the connector 5 is driven by the vertical driving component 4 to move downwards, so that when the metal sheet 54 contacts with the welding point of the circuit board, the resistance received is increased, and the airbag block 53 deforms, so that the metal sheet 54 can realize the soft contact, and the metal sheet can inevitably move after being pressed, and the deformed airbag block 53 provided by the rubber cover 10 can be used for relying on force, so that the relative stability is maintained, the movement is avoided, the metal sheet 54 and the welding point are rubbed, and the welding point is prevented from being damaged.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
Claims (10)
1. A circuit board paster processing test system, characterized by includes:
the rotary working table (1) is provided with a plurality of supporting boxes (2) for placing circuit boards on the table surface;
resistance path testing mechanism (3) comprising a contactor (5) and a vertical driving component (4) driving the contactor (5) to move downwards, wherein:
the bottom end of the connector (5) is symmetrically provided with a positive contact piece (51) and a negative contact piece (52), the positive contact piece (51) and the negative contact piece (52) both comprise metal sheets (54) arranged on the end faces of the air bag blocks (53), and the air bag blocks (53) deform to enable the metal sheets (54) to be attached to the positive electrode and the negative electrode of the capacitor or the resistor of the circuit board.
2. The circuit board patch processing and testing system according to claim 1, wherein the vertical driving assembly (4) comprises a vertical part (41) and a horizontal part (42), the horizontal part (42) is arranged on a side wall of the vertical part (41), a hydraulic expansion piece (43) is arranged on the horizontal part, an output end of the hydraulic expansion piece (43) extends to the other side of the horizontal part (42) and is fixedly provided with a mounting platform (6), and the mounting platform (6) is used for mounting the switch-on device (5).
3. The circuit board patch processing and testing system according to claim 1, further comprising a bracket (11), wherein the rotary table (1) is fixed on the bracket (11), and the vertical portion (41) is fixed on the side wall of the bracket (11) so that the horizontal portion (42) is parallel to the rotary table (1).
4. The circuit board patch processing and testing system according to claim 2, wherein the mounting platform (6) is provided with a plurality of grooves (61), one end of the connector (5) is provided with a screw (55), and the screw (55) is clamped on the mounting platform (6) through two nuts so that the connector (5) is locked in the grooves (61).
5. The circuit board patch processing and testing system according to claim 1, wherein a buzzer is built in the contact device (5), and the buzzer, the positive contact (51) and the negative contact (52) form a detection circuit.
6. The circuit board patch processing and testing system as claimed in claim 1, wherein a port of the tray box (2) is provided with an air bag type lip ring body (21), a tray table (23) is arranged in the tray box (2) in the middle, and the circuit board is clamped and fixed through the air bag type lip ring body (21).
7. The circuit board patch processing and testing system according to claim 6, wherein a rubber leather block (7) is arranged on one side of the air bag type lip ring body (21), and in an initial state, the rubber leather block (7) is of an arc-shaped structure, and the outer arc top is arranged opposite to the support platform (23).
8. The circuit board patch processing and testing system according to claim 6, wherein an extension body (22) extending into the air bag type lip ring body (21) is arranged in the support box (2), a plurality of swing rods (9) which are elastically driven by an elastic member (8) to select directions are rotatably arranged at the end of the extension body (22), and the swing rods (9) are assembled for movably arranging the following two stations:
the first station is used for overturning a plurality of the gas bag type lip ring bodies (21) to a preset station towards the inner side of the support box (2) so as to drive the gas bag type lip ring bodies (21) to deform and clamp the circuit board;
and in the second station, the air bag type lip ring bodies (21) are restored and unlocked after being overturned to a preset station towards the outer side of the support box (2).
9. A circuit board patch processing and testing system according to claim 1, wherein a rubber housing (10) is provided at the bottom of the contactor (5), and the positive contact (51) and the negative contact (52) are both located in the rubber housing (10).
10. A circuit board patch processing and testing system according to claim 2, characterized in that the side wall of the mounting platform (6) is provided with a clamping piece (62), the clamping piece (62) is arranged along the vertical direction, the end part of the clamping piece is provided with a reverse block (63), the reverse block (63) is a right triangle structure, and the bevel edge faces to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211284166.1A CN115629292A (en) | 2022-10-20 | 2022-10-20 | Circuit board paster processing test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211284166.1A CN115629292A (en) | 2022-10-20 | 2022-10-20 | Circuit board paster processing test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115629292A true CN115629292A (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211284166.1A Pending CN115629292A (en) | 2022-10-20 | 2022-10-20 | Circuit board paster processing test system |
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| Country | Link |
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| CN (1) | CN115629292A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116148501A (en) * | 2023-04-18 | 2023-05-23 | 中山市爱的圣科技有限公司 | Power supply path detection equipment for integrated circuit board |
-
2022
- 2022-10-20 CN CN202211284166.1A patent/CN115629292A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116148501A (en) * | 2023-04-18 | 2023-05-23 | 中山市爱的圣科技有限公司 | Power supply path detection equipment for integrated circuit board |
| CN116148501B (en) * | 2023-04-18 | 2023-06-23 | 中山市爱的圣科技有限公司 | Power supply path detection equipment for integrated circuit board |
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