CN216771911U - Be used for exempting from full temperature intelligent test device of welded circuit board - Google Patents
Be used for exempting from full temperature intelligent test device of welded circuit board Download PDFInfo
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- CN216771911U CN216771911U CN202123323286.1U CN202123323286U CN216771911U CN 216771911 U CN216771911 U CN 216771911U CN 202123323286 U CN202123323286 U CN 202123323286U CN 216771911 U CN216771911 U CN 216771911U
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Abstract
The invention relates to the field of circuit board testing and adjusting, in particular to a full-temperature intelligent testing device for a welding-free circuit board, which comprises a testing base, a longitudinal translation pair, a testing lower circuit board, a spring pin, a vertical translation pair, a quick locking pair and a testing upper circuit board, wherein the testing base is provided with a first end and a second end; the vertical translation pair is fixed on the test base and connected to the vertical translation pair; the lower test circuit board and the upper test circuit board are both arranged on the vertical moving pair; the spring pins are respectively arranged on the lower circuit board and the upper circuit board; mounting a test circuit on a base, locking the test circuit by adopting a quick locking pair, and adjusting a longitudinal translation pair and a vertical translation pair to conduct a spring pin on a circuit board under test and a circuit board on test with the test circuit so as to realize circuit measurement; the invention designs a welding-free full-temperature intelligent test device for a circuit board, which can simply and quickly test the circuit board and can carry out intelligent test.
Description
Technical Field
The invention relates to the field of circuit board testing and adjusting, in particular to a full-temperature intelligent testing device for a welding-free circuit board.
Background
The debugging of the circuit board comprises two aspects of testing and adjusting, and the specific steps are as follows: firstly, electrifying and observing a circuit board; secondly, adding a fixed signal for static adjustment; finally, a suitable signal is input for dynamic adjustment. When the circuit board with the bonding pad is debugged, the input and output signals of the circuit board are connected with a power supply and a measuring instrument through a lead, and the lead is welded with the circuit board through a through hole. After the circuit board is welded for many times, defects such as poor weldability of a welding pad of the circuit board, falling off of the welding pad, warping of the circuit board and the like are easy to occur, and the performance of the circuit board is influenced. Therefore, there is a need for a device and an adjustment method for directly testing a circuit without soldering a test circuit board.
Disclosure of Invention
Aiming at the debugging of a circuit board with strict welding frequency limitation, the invention provides a full-temperature intelligent testing device for a welding-free circuit board, which comprises a testing base 1, a longitudinal translation pair 2, a testing lower circuit board 3, a spring needle 4, a vertical movement pair 6, a quick locking pair 7 and a testing upper circuit board 8; the longitudinal translation pair 2 is fixed on the test base 1, and the vertical translation pair 6 is connected on the longitudinal translation pair 2; the lower test circuit board 3 and the upper test circuit board 8 are both arranged on the vertical moving pair 6; the spring pins 4 are respectively arranged on the lower test circuit board 3 and the upper test circuit board 8; the test circuit 5 is installed on the base 1, the test circuit 5 is locked by the quick locking pair 7, and the longitudinal translation pair 2 and the vertical translation pair 6 are adjusted, so that the spring pins 4 on the lower circuit board 3 and the upper circuit board 8 are conducted with the test circuit 5, and circuit measurement is realized.
Preferably, the longitudinal translation pair 2 comprises a linear motion supporting seat 21, a guide rail shaft supporting seat 22, a longitudinal motor mounting seat 23, a longitudinal motor 24, a longitudinal translation fixing plate 25 and a guide rail shaft 26; the guide rail shaft 26 passes through the linear motion supporting seat 21 and then is fixed on the guide rail shaft supporting seat 22; the longitudinal translation fixing plate 25 is fixed on the linear motion supporting seat 21; the longitudinal motor 24 is arranged in the longitudinal motor mounting seat 23, and a transmission shaft of the longitudinal motor 24 is connected with the longitudinal translation fixing plate 25.
Further, the guide shaft 26 is coated with high and low temperature grease so that the linear motion support base 21 slides on the guide shaft 26.
Further, the transmission shaft of the longitudinal motor 24 is connected with the longitudinal translation fixing plate 25 through a screw thread.
Preferably, the vertical moving pair 6 comprises a vertical lower moving plate 61, a positioning pin 62, a vertical upper moving plate 63, a vertical double-headed screw 64, a vertical driven gear 65, a vertical driving gear 66, a vertical motor fixing seat 67 and a vertical motor 68; the positioning pin 62 penetrates through the vertical lower moving plate 61 and the vertical upper moving plate 63; the vertical motor 68 is arranged in the vertical motor fixing seat 67, and a power shaft of the vertical motor 68 is connected with the vertical driving gear 66; the vertical driving gear 66 is meshed with the vertical driven gear 65; the vertical driving gear 66 is arranged on the vertical double-headed screw 64, and the vertical double-headed screw 64 is respectively connected with the vertical lower moving plate 61 and the vertical upper moving plate 63; when the vertical motor 68 rotates, the power of the vertical motor 68 acts on the vertical lower moving plate 61 and the vertical upper moving plate 63 through the vertical driving gear 66, the vertical driven gear 65 and the vertical double-headed screw 64 to control the vertical lower moving plate 61 and the vertical upper moving plate 63 to move up and down.
Further, a vertical double-headed screw 64 is threadedly coupled to the vertical lower moving plate 61 and the vertical upper moving plate 63.
Preferably, the lower test circuit board 3 is arranged on the upper top surface of the lower vertical moving plate 61 of the vertical moving pair 6, and the upper test circuit board 8 is arranged on the lower bottom surface of the upper vertical moving plate 63 of the vertical moving pair 6; the spring pins 4 are respectively arranged on the circuit board 3 under test and the circuit board 8 on test, and the pins of the spring pins 4 correspond to each other.
Preferably, the quick locking pair 7 comprises a locking silicon rubber 71, a locking pressing block 72 and a wedge-shaped locker 73; the locking silicon rubber 71 is connected with the test base 1, and the test circuit 5 is arranged on the locking silicon rubber 71; the wedge locker 73 is provided on the locking press 72, and the test circuit 5 is fixed by the wedge locker 73 and the locking press 72.
An intelligent adjusting method for a welding-free circuit board full-temperature intelligent testing device adopts a testing device which is a welding-free circuit board full-temperature intelligent testing device; the testing steps include:
s1: opening the quick locking pair 7, installing the test circuit 5 in the locking silicon rubber 71, and fixing the test circuit 5 by adopting a locking pressing block 72 and a wedge-shaped locker 73;
s2: starting a longitudinal motor 24 in the longitudinal translation pair 2, and driving a longitudinal translation fixing plate 25 and the linear motion supporting seat 21 to slide on a guide rail shaft 26 through a power shaft of the longitudinal motor 24 to ensure that the spring needle 4 is aligned with the test circuit 5 in the vertical direction; at this time, the longitudinal motor 24 stops operating;
s3: starting a vertical motor 68 of the vertical moving pair 6, and driving a vertical driven gear 65 to rotate by a vertical driving gear 66 fixed on the vertical motor 68, so as to drive a vertical double-thread screw 64 to rotate, and finally, vertically sliding the vertical lower moving plate 61 and the vertical upper moving plate 63 on the positioning pin 62; when the pogo pins fixed on the upper circuit board 8 and the lower circuit board 3 are in close contact with the test circuit 5 and the springs on the pogo pins are deformed, the vertical motor 68 stops working;
s4: the performance of the test circuit 5 is tested at normal temperature and high and low temperature, test data is collected and sorted through a multi-channel data collection system, and the sorted test data is stored;
s6: reversely starting the vertical motor 68, and stopping the vertical motor 68 when the spring needle 4 is separated from the test circuit 5; reversely starting the longitudinal motor 24 to enable the longitudinal translation fixing plate 25 to reversely slide, and stopping the longitudinal motor 24 when the longitudinal translation fixing plate 25 is restored to the position before testing;
s7: intelligently adjusting the circuit board 5 according to the stored test data, and re-executing the measurement of the step S2 and the step S3 on the adjusted test circuit 5; until the test circuit 5 meets the design criteria.
Preferably, the intelligently adjusting the circuit board 5 according to the stored test data includes: calculating impedance and capacitive reactance values required by circuit board adjustment according to the acquired test data; matching corresponding resistance and capacitance according to the calculated impedance value and capacitive reactance value; exempt from to weld full temperature intelligent test device with the circuit board and place on welding robot workstation, welding robot chooses for use corresponding electronic components and welds to the position that test circuit 5 corresponds on, accomplishes test circuit 5's adjustment.
The invention has the beneficial effects that:
1. the invention designs a welding-free full-temperature intelligent test device for a circuit board, which can simply and quickly test the circuit board and can carry out intelligent test;
2. compared with the traditional circuit board test mode, the test method has the advantages that the required test data can be obtained without welding the circuit board, and the test method is suitable for the circuit board with strict requirements on welding times;
3. the size of the welding-free full-temperature intelligent test device for the circuit board can be designed according to the actual size of a test circuit, batch test can be performed, and the test efficiency is higher;
4. the circuit board welding-free full-temperature intelligent testing device is low in manufacturing cost, does not need a special testing place, and can be placed on a workbench for testing;
5. the welding-free full-temperature intelligent test device for the circuit board can be placed in a high-low temperature box to test the circuit board in a full-temperature range, and test data are collected and arranged;
6. the circuit board welding-free full-temperature intelligent testing device can be placed on a welding robot workbench, and the welding robot adjusts the circuit according to test data to realize intelligent debugging of the test circuit.
Drawings
FIG. 1 is a schematic structural diagram of a full-temperature intelligent testing device for a welding-free circuit board according to the present invention;
FIG. 2 is a schematic structural diagram of a longitudinal translation pair of the present invention;
FIG. 3 is a schematic view of a vertical sliding pair according to the present invention;
FIG. 4 is a schematic structural view of the quick locking pair of the present invention;
the testing device comprises a testing base, a wedge locker, a linear motion supporting seat, a guide rail shaft supporting seat, a longitudinal motor mounting seat, a 24 longitudinal motor, a 25 longitudinal translation fixing plate, a 26 guide rail shaft, a 3 testing lower circuit board, a 4 spring needle, a 5 testing circuit, a 6 vertical moving pair, a 61 vertical lower moving plate, a 62 positioning pin, a 63 vertical upper moving plate, a 64 vertical double-head screw, a 65 vertical driven gear, a 66 vertical driving gear, a 67 vertical motor fixing seat, a 68 vertical motor, a 7 quick locking pair, a 71 locking silicon rubber, a 72 locking pressing block, a 73 wedge locker, a 8 testing upper circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A full-temperature intelligent testing device for a welding-free circuit board is shown in figure 1 and comprises a testing base 1, a longitudinal translation pair 2, a lower testing circuit board 3, a spring needle 4, a vertical movement pair 6, a quick locking pair 7 and an upper testing circuit board 8; the longitudinal translation pair 2 is fixed on the test base 1, and the vertical translation pair 6 is connected on the longitudinal translation pair 2; the lower test circuit board 3 and the upper test circuit board 8 are both arranged on the vertical moving pair 6; the spring pins 4 are respectively arranged on the lower test circuit board 3 and the upper test circuit board 8; the test circuit 5 is installed on the base 1, the test circuit 5 is locked by the quick locking pair 7, and the longitudinal translation pair 2 and the vertical translation pair 6 are adjusted, so that the spring pins 4 on the lower circuit board 3 and the upper circuit board 8 are conducted with the test circuit 5, and circuit measurement is realized.
As shown in fig. 2, the longitudinal translation pair 2 comprises a linear motion supporting seat 21, a guide rail shaft supporting seat 22, a longitudinal motor mounting seat 23, a longitudinal motor 24, a longitudinal translation fixing plate 25 and a guide rail shaft 26; the guide rail shaft 26 passes through the linear motion supporting seat 21 and then is fixed on the guide rail shaft supporting seat 22; the longitudinal translation fixing plate 25 is fixed on the linear motion supporting seat 21; the longitudinal motor 24 is arranged in the longitudinal motor mounting seat 23, and a transmission shaft of the longitudinal motor 24 is connected with the longitudinal translation fixing plate 25. The longitudinal translation pair 2 provides the welding-free circuit board full-temperature intelligent testing device with the power of moving back and forth in a horizontal method, so that the front and back positions of the circuit board 3 under the test and the circuit board 8 on the test can be adjusted, and more accurate measurement is realized.
Optionally, the guide rail shaft 26 is in clearance fit with the linear motion supporting seat 21, that is, a through hole is formed in the linear motion supporting seat 21, and the diameter of the through hole is slightly larger than that of the guide rail shaft 26, so that the linear motion supporting seat 21 can slide on the guide rail shaft 26.
Preferably, the guide shaft 26 is coated with high and low temperature grease so that the linear motion bearing 21 can more easily slide on the guide shaft 26.
Preferably, the transmission shaft of the longitudinal motor 24 is connected with the longitudinal translation fixing plate 25 through a thread; when the longitudinal motor 24 rotates, the longitudinal translation fixing plate 25 is fixed by the guide rail shaft 26, so that the longitudinal translation fixing plate 25 does not rotate along with the rotation of the transmission shaft, and the transmission shaft is connected with the longitudinal translation fixing plate 25 through threads, so that the longitudinal translation fixing plate 25 moves along the thread direction.
The test base 1 is of a cuboid structure, and support columns are respectively arranged on four corners of the upper surface of the cuboid; the four supporting columns are used for fixing the guide rail shaft supporting seat 22 of the longitudinal translation pair 2.
The test base 1 is provided with a fixing groove for placing the locking silicon rubber 71 of the quick locking pair 7 to prevent the locking silicon rubber 71 from moving.
As shown in fig. 3, the vertical moving pair 6 comprises a vertical lower moving plate 61, a positioning pin 62, a vertical upper moving plate 63, a vertical double-headed screw 64, a vertical driven gear 65, a vertical driving gear 66, a vertical motor fixing seat 67 and a vertical motor 68; the positioning pin 62 penetrates through the vertical lower moving plate 61 and the vertical upper moving plate 63; the vertical motor 68 is arranged in the vertical motor fixing seat 67, and a power shaft of the vertical motor 68 is connected with the vertical driving gear 66; the vertical driving gear 66 is meshed with the vertical driven gear 65; the vertical driving gear 66 is arranged on the vertical double-headed screw 64, and the vertical double-headed screw 64 is respectively connected with the vertical lower moving plate 61 and the vertical upper moving plate 63; when the vertical motor 68 rotates, the power of the vertical motor 68 acts on the vertical lower moving plate 61 and the vertical upper moving plate 63 through the vertical driving gear 66, the vertical driven gear 65 and the vertical double-headed screw 64 to control the vertical lower moving plate 61 and the vertical upper moving plate 63 to move up and down.
Optionally, the positioning pin 62 is in clearance fit with the vertical lower moving plate 61 and the vertical upper moving plate 63, so that the vertical lower moving plate 61 and the vertical upper moving plate 63 can slide on the positioning pin 62. Preferably, the positioning pins 62 are coated with high and low temperature grease so that the vertical lower moving plate 61 and the vertical upper moving plate 63 can more easily slide on the positioning pins 62.
Preferably, the vertical double-threaded screw 64 is in threaded connection with the vertical lower moving plate 61 and the vertical upper moving plate 63; when the vertical motor 68 rotates, the vertical lower moving plate 61 and the vertical upper moving plate 63 are fixed by the positioning pins 62, so that the vertical lower moving plate 61 and the vertical upper moving plate 63 do not rotate along with the power transmitted by the vertical motor 68, and the vertical double-headed screw 64 is in threaded connection with the vertical lower moving plate 61 and the vertical upper moving plate 63, so that the vertical double-headed screw 64 and the vertical lower moving plate 61 move along the thread direction.
The lower test circuit board 3 is arranged on the upper top surface of the lower vertical moving plate 61 of the vertical moving pair 6, and the upper test circuit board 8 is arranged on the lower bottom surface of the upper vertical moving plate 63 of the vertical moving pair 6; the spring pins 4 are respectively arranged on the circuit board 3 under test and the circuit board 8 on test, and the pins of the spring pins 4 correspond to each other.
Preferably, the spring needle 4 is welded by using a special welding tool.
As shown in fig. 4, the quick locking pair 7 includes a locking silicone rubber 71, a locking pressing piece 72, and a wedge locker 73; the locking silicon rubber 71 is connected with the test base 1, and the test circuit 5 is arranged on the locking silicon rubber 71; the wedge locker 73 is provided on the locking press 72, and the test circuit 5 is fixed by the wedge locker 73 and the locking press 72.
An intelligent adjusting method for a welding-free circuit board full-temperature intelligent testing device adopts a testing device which is a welding-free circuit board full-temperature intelligent testing device; the testing steps include:
s1: opening the quick locking pair 7, installing the test circuit 5 in the locking silicon rubber 71, and fixing the test circuit 5 by adopting a locking pressing block 72 and a wedge-shaped locker 73;
s2: starting a longitudinal motor 24 in the longitudinal translation pair 2, and driving a longitudinal translation fixing plate 25 and the linear motion supporting seat 21 to slide on a guide rail shaft 26 through a power shaft of the longitudinal motor 24 to ensure that the spring needle 4 is aligned with the test circuit 5 in the vertical direction; at this time, the longitudinal motor 24 stops operating;
s3: starting a vertical motor 68 of the vertical moving pair 6, driving a vertical driven gear 65 to rotate by a vertical driving gear 66 fixed on the vertical motor 68 so as to drive a vertical double-headed screw 64 to rotate, and finally vertically sliding the vertical lower moving plate 61 and the vertical upper moving plate 63 on the positioning pin 62; when the pogo pins fixed on the upper circuit board 8 and the lower circuit board 3 are in close contact with the test circuit 5 and the springs on the pogo pins are deformed, the vertical motor 68 stops working;
s4: the performance of the test circuit 5 is tested at normal temperature and high and low temperature, test data is collected and sorted through a multi-channel data collection system, and the sorted test data is stored;
s6: reversely starting the vertical motor 68, and stopping the vertical motor 68 when the spring needle 4 is separated from the test circuit 5; reversely starting the longitudinal motor 24 to enable the longitudinal translation fixing plate 25 to reversely slide, and stopping the longitudinal motor 24 when the longitudinal translation fixing plate 25 recovers to the position before testing;
s7: intelligently adjusting the circuit board 5 according to the stored test data, and re-executing the measurement of the step S2 and the step S3 on the adjusted test circuit 5; until the test circuit 5 meets the design criteria.
The intelligent adjustment of the circuit board 5 according to the stored test data comprises: calculating impedance and capacitive reactance values required by circuit board adjustment according to the acquired test data; matching corresponding resistance and capacitance according to the calculated impedance value and capacitive reactance value; exempt from to weld full temperature intelligent test device with the circuit board and place on welding robot workstation, welding robot chooses for use corresponding electronic components and welds to the position that test circuit 5 corresponds on, accomplishes test circuit 5's adjustment.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "outer", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "rotated," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above-mentioned embodiments, which further illustrate the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The full-temperature intelligent testing device for the welding-free circuit board is characterized by comprising a testing base (1), a longitudinal translation pair (2), a lower testing circuit board (3), a spring needle (4), a vertical translation pair (6), a quick locking pair (7) and an upper testing circuit board (8); the longitudinal translation pair (2) is fixed on the test base (1), and the vertical translation pair (6) is connected to the longitudinal translation pair (2); the lower test circuit board (3) and the upper test circuit board (8) are both arranged on the vertical moving pair (6); the spring pins (4) are respectively arranged on the lower test circuit board (3) and the upper test circuit board (8); the testing circuit (5) is installed on the base (1), the testing circuit (5) is locked by the quick locking pair (7), and the longitudinal translation pair (2) and the vertical moving pair (6) are adjusted, so that the spring pins (4) on the lower circuit board (3) and the upper circuit board (8) are conducted with the testing circuit (5), and circuit measurement is realized.
2. The full-temperature intelligent testing device for the welding-free circuit board as claimed in claim 1, wherein the longitudinal translation pair (2) comprises a linear motion supporting seat (21), a guide rail shaft supporting seat (22), a longitudinal motor mounting seat (23), a longitudinal motor (24), a longitudinal translation fixing plate (25) and a guide rail shaft (26); the guide rail shaft (26) penetrates through the linear motion supporting seat (21) and then is fixed on the guide rail shaft supporting seat (22); a longitudinal translation fixing plate (25) is fixed on the linear motion supporting seat (21); the longitudinal motor (24) is arranged in the longitudinal motor mounting seat (23), and a transmission shaft of the longitudinal motor (24) is connected with the longitudinal translation fixing plate (25).
3. The full-temperature intelligent testing device for the welding-free circuit board as claimed in claim 2, wherein the guide rail shaft (26) is coated with high-temperature and low-temperature grease so that the linear motion supporting seat (21) slides on the guide rail shaft (26).
4. The full-temperature intelligent testing device for the welding-free circuit board as claimed in claim 2, wherein a transmission shaft of the longitudinal motor (24) is in threaded connection with the longitudinal translation fixing plate (25).
5. The full-temperature intelligent testing device for the welding-free circuit board as claimed in claim 1, wherein the vertical moving pair (6) comprises a vertical lower moving plate (61), a positioning pin (62), a vertical upper moving plate (63), a vertical double-headed screw (64), a vertical driven gear (65), a vertical driving gear (66), a vertical motor fixing seat (67) and a vertical motor (68); the positioning pin (62) penetrates through the vertical lower moving plate (61) and the vertical upper moving plate (63); the vertical motor (68) is arranged in the vertical motor fixing seat (67), and a power shaft of the vertical motor (68) is connected with the vertical driving gear (66); the vertical driving gear (66) is meshed with the vertical driven gear (65); the vertical driving gear (66) is arranged on the vertical double-head screw (64), and the vertical double-head screw (64) is respectively connected with the vertical lower moving plate (61) and the vertical upper moving plate (63); when the vertical motor (68) rotates, the power of the vertical motor (68) acts on the vertical lower moving plate (61) and the vertical upper moving plate (63) through the vertical driving gear (66), the vertical driven gear (65) and the vertical double-headed screw (64) to control the vertical lower moving plate (61) and the vertical upper moving plate (63) to move up and down.
6. The intelligent full-temperature testing device for the welding-free circuit board as claimed in claim 5, wherein the vertical double-headed screw (64) is in threaded connection with the vertical lower moving plate (61) and the vertical upper moving plate (63).
7. The intelligent full-temperature test device for the welding-free circuit board as claimed in claim 1, wherein the lower test circuit board (3) is arranged on the upper top surface of the lower vertical moving plate (61) of the vertical moving pair (6), and the upper test circuit board (8) is arranged on the lower bottom surface of the upper vertical moving plate (63) of the vertical moving pair (6); the spring pins (4) are respectively arranged on the circuit board (3) under the test and the circuit board (8) on the test, and the pins of the spring pins (4) correspond to each other.
8. The full-temperature intelligent test device for the welding-free circuit board as claimed in claim 1, wherein the quick locking pair (7) comprises a locking silicon rubber (71), a locking pressing block (72) and a wedge-shaped locker (73); the locking silicon rubber (71) is connected with the test base (1), and the test circuit (5) is arranged on the locking silicon rubber (71); the wedge-shaped locker (73) is arranged on the locking pressing block (72), and the test circuit (5) is fixed through the wedge-shaped locker (73) and the locking pressing block (72).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323286.1U CN216771911U (en) | 2021-12-27 | 2021-12-27 | Be used for exempting from full temperature intelligent test device of welded circuit board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123323286.1U CN216771911U (en) | 2021-12-27 | 2021-12-27 | Be used for exempting from full temperature intelligent test device of welded circuit board |
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| CN216771911U true CN216771911U (en) | 2022-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217214A (en) * | 2021-12-27 | 2022-03-22 | 中国电子科技集团公司第二十六研究所 | Full-temperature intelligent testing device and intelligent adjusting method for welding-free circuit board |
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2021
- 2021-12-27 CN CN202123323286.1U patent/CN216771911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114217214A (en) * | 2021-12-27 | 2022-03-22 | 中国电子科技集团公司第二十六研究所 | Full-temperature intelligent testing device and intelligent adjusting method for welding-free circuit board |
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