CN215297565U - Circuit board testing device and system - Google Patents
Circuit board testing device and system Download PDFInfo
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- CN215297565U CN215297565U CN202120443888.1U CN202120443888U CN215297565U CN 215297565 U CN215297565 U CN 215297565U CN 202120443888 U CN202120443888 U CN 202120443888U CN 215297565 U CN215297565 U CN 215297565U
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Abstract
The embodiment of the utility model discloses a circuit board testing device and a system, wherein the circuit board testing device comprises a circuit board fixing device, a probe fixing plate, a testing device and a probe corresponding to the testing device; the circuit board fixing device is arranged on the probe fixing plate and used for fixing a circuit board to be tested; one end of the probe corresponding to the testing device penetrates through the probe fixing plate to be connected with the testing device, and the other end of the probe corresponding to the testing device is used for being connected with a circuit board to be tested. Namely the utility model discloses circuit board testing arrangement utilizes the probe to be connected the circuit board that awaits measuring with testing device, and the thimble type is connected promptly, has avoided testing device's artifical manual plug, has made things convenient for installation and test, has improved efficiency of software testing.
Description
Technical Field
The embodiment of the utility model provides a relate to test technical field, especially relate to a circuit board testing arrangement and system.
Background
Printed Circuit boards (Printed Circuit boards) are one of the important components in the electronics industry, and almost every electronic device, as small as electronic watches, calculators, as large as computers, communication electronics, and military weaponry systems, has electronic components such as integrated circuits, and the like, and the Circuit boards are used for electrical interconnection between the respective components. The circuit board consists of an insulating bottom plate, connecting wires and a welding disc for assembling and welding electronic elements, and has double functions of a conducting circuit and the insulating bottom plate. The circuit can replace complex wiring to realize electrical connection among elements in the circuit, thereby simplifying the assembly and welding work of electronic products, reducing the wiring workload in the traditional mode and greatly lightening the labor intensity of workers; and the volume of the whole machine is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process. Meanwhile, the whole assembled and debugged circuit board can be used as an independent spare part, so that the exchange and maintenance of the whole machine product are facilitated. At present, circuit boards are widely used in the production and manufacture of electronic products.
The functional test is to provide a simulated operating environment for the circuit board to be tested, connect the circuit board to the test device to enable the circuit board to work in various design states, and thus obtain parameters of each state to verify the function of the circuit board to be tested, namely, test the function of the circuit board to be tested by using the test device.
Realize the utility model discloses the in-process, the inventor discovers, and current circuit board test, testing device generally adopt artificial mode manual plug, and efficiency of software testing is low on the circuit board that awaits measuring.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a circuit board testing arrangement and system can improve efficiency of software testing.
In a first aspect, an embodiment of the present invention provides a circuit board testing apparatus, including a circuit board fixing apparatus, a probe fixing plate, a testing device, and a probe corresponding to the testing device;
the circuit board fixing device is arranged on the probe fixing plate and used for fixing a circuit board to be tested;
one end of the probe corresponding to the testing device penetrates through the probe fixing plate to be connected with the testing device, and the other end of the probe corresponding to the testing device is used for being connected with the circuit board to be tested.
Optionally, the circuit board fixing device includes a positioning plate, a pressing plate and a pressing mechanism, the pressing plate is disposed below the pressing mechanism, and the positioning plate is disposed below the pressing plate.
Optionally, a positioning groove is arranged on the positioning plate.
Optionally, a through hole is formed in the positioning groove, and the other end of the probe corresponding to the testing device is used for being connected with the circuit board to be tested through the through hole.
Optionally, the probe fixing plate and/or the pressing plate are made of a transparent material.
Optionally, the testing device includes an ultrasonic sensor, the circuit board testing device further includes a base, a distance measuring plate is arranged outside the base, and the ultrasonic sensor faces the distance measuring plate and is arranged in the base.
Optionally, the testing device includes a lamp, and the circuit board testing apparatus further includes a base, and the lamp is disposed on a panel of the base.
Optionally, still be provided with the short circuit in the base and overflow monitoring module, circuit board testing arrangement still includes the probe that the short circuit overflows monitoring module and corresponds, the one end of the probe that the short circuit overflows monitoring module and corresponds passes the probe fixed plate with the short circuit overflows monitoring module and connects, the other end of the probe that the short circuit overflows monitoring module and corresponds is used for connecting the circuit board that awaits measuring, still be provided with the demonstration on the panel of base the monitoring result that the short circuit overflows monitoring module.
Optionally, still be provided with download module and communication module in the base, circuit board testing arrangement still includes the probe that download module corresponds with the probe that communication module corresponds, the one end of the probe that download module corresponds is passed the probe fixed plate with download module connects, the other end of the probe that download module corresponds is used for connecting the circuit board that awaits measuring, the one end of the probe that communication module corresponds is passed the probe fixed plate with communication module connects, the other end of the probe that communication module corresponds is used for connecting the circuit board that awaits measuring, still be provided with communication interface on the panel of base, communication module will download module downloads test device's test data passes through communication interface reports to test equipment.
In a second aspect, an embodiment of the present invention provides a circuit board testing system, which includes a testing device and the above circuit board testing apparatus.
The embodiment of the utility model provides a circuit board testing device, which comprises a circuit board fixing device, a probe fixing plate, a testing device and a probe corresponding to the testing device; the circuit board fixing device is arranged on the probe fixing plate and used for fixing a circuit board to be tested; one end of the probe corresponding to the testing device penetrates through the probe fixing plate to be connected with the testing device, and the other end of the probe corresponding to the testing device is used for being connected with a circuit board to be tested. Namely the utility model discloses circuit board testing arrangement utilizes the probe to be connected the circuit board that awaits measuring with testing device, and the thimble type is connected promptly, has avoided testing device's artifical manual plug, when testing device quantity is more, can once only be connected a plurality of testing devices with the circuit board that awaits measuring through a plurality of probes, has made things convenient for installation and test, has improved efficiency of software testing.
In addition, the short-circuit overcurrent monitoring module is used for monitoring the short-circuit overcurrent of the circuit board to be monitored, and the display module on the base panel is used for displaying the monitoring result, so that the automatic monitoring of the short-circuit overcurrent is realized, and compared with manual monitoring, the accuracy of the monitoring result is improved.
In addition, the test data of the test device downloaded by the downloading module is reported to the test equipment through the communication module, and the test equipment analyzes the test data to generate a function test result of the circuit board to be tested, so that the automatic test of the circuit board is realized, and the test efficiency is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a circuit board testing apparatus according to an embodiment of the present invention.
Fig. 2 is another schematic structural diagram of a circuit board testing apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a circuit board testing system according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a circuit board testing apparatus according to an embodiment of the present invention.
Fig. 6 is another schematic structural diagram of a positioning plate according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a circuit board testing apparatus provided in an embodiment of the present invention, as shown in fig. 1, the circuit board testing apparatus includes a circuit board fixing device 12, a probe fixing plate 13, a testing device 14, and a probe 15 corresponding to the testing device 14.
The circuit board fixing device 12 is arranged on the probe fixing plate 13, and the circuit board fixing device 12 is used for fixing the circuit board 11 to be tested; the probe fixing plate 13 is provided with a pin hole for the probe 15 to pass through, one end of the probe 15 corresponding to the testing device 14 passes through the probe fixing plate 13 to be connected with the testing device 14, and the other end of the probe 15 corresponding to the testing device 14 is used for being connected with the circuit board 11 to be tested.
In a specific embodiment, in order to fix the circuit board 11 to be tested, the circuit board fixing device 12 may include a positioning plate 121, a pressing plate 122 and a pressing mechanism 123, the pressing plate 122 is disposed below the pressing mechanism 123, the positioning plate 121 is disposed below the pressing plate 122, and the pressing mechanism 123 presses the circuit board 11 to be tested against the positioning plate 121 by driving the pressing plate 122 to move vertically.
A plurality of support legs may be disposed on one side of the pressing plate 122 facing the positioning plate 121, and the pressing plate 122 presses the circuit board 11 to be tested on the positioning plate 121 through the support legs; a plurality of support legs can also be arranged on one side of the positioning plate 121 facing the probe fixing plate 13, and the positioning plate 121 is arranged on the probe fixing plate 13 through the support legs; the pressing mechanism 123 may be a manual pressing mechanism such as a handle, or may be an electric pressing mechanism such as an air cylinder.
In a specific embodiment, in order to fasten the circuit board 11 to be tested, a positioning slot may be disposed on the positioning plate 121, and the pressing mechanism 123 presses the circuit board 11 to be tested into the positioning slot of the positioning plate 121 by driving the pressing plate 122.
In a specific embodiment, in order to facilitate connection of the circuit board 11 to be tested, through holes corresponding to the soldering pins of the circuit board 11 to be tested may be disposed on the positioning grooves of the positioning plate 121, the soldering pins are the soldering pins of the components soldered on the circuit board 11 to be tested, and the other ends of the probes 15 corresponding to the testing devices 14 are used for connecting the soldering pins of the circuit board 11 to be tested through the through holes.
In a specific embodiment, in order to accurately fix the circuit board 11 to be tested and accurately connect the circuit board 11 to be tested to the testing device 14 through the probes 15, the probe fixing plate 13 and/or the pressing plate 122 may be designed to be transparent.
The utility model discloses circuit board testing arrangement utilizes the probe to be connected the circuit board that awaits measuring with testing device, and the thimble type is connected promptly, has avoided the artifical manual plug of testing device, when testing device quantity is more, can once only be connected a plurality of testing devices with the circuit board that awaits measuring through a plurality of probes, has made things convenient for installation and test, has improved efficiency of software testing.
In addition, the short-circuit overcurrent monitoring module is used for monitoring the short-circuit overcurrent of the circuit board to be monitored, and the display module on the base panel is used for displaying the monitoring result, so that the automatic monitoring of the short-circuit overcurrent is realized, and compared with manual monitoring, the accuracy of the monitoring result is improved.
In addition, the test data of the test device downloaded by the downloading module is reported to the test equipment through the communication module, and the test equipment analyzes the test data to generate a function test result of the circuit board to be tested, so that the automatic test of the circuit board is realized, and the test efficiency is further improved.
Use circuit board 11 that awaits measuring to be ultrasonic board 111 as an example below, the detailed description the utility model provides a circuit board testing arrangement, as shown in fig. 2, when circuit board 11 that awaits measuring is ultrasonic board 111, testing device 14 can be ultrasonic sensor, and ultrasonic sensor can have a plurality ofly, utilizes a plurality of ultrasonic sensor to realize the test to ultrasonic board function promptly. The pressing mechanism 123 presses the ultrasonic plate 111 against the positioning plate 121 by driving the pressing plate 122 to move vertically, as shown in fig. 3, the positioning plate 121 is provided with a positioning slot 1211, and the ultrasonic plate 111 is pressed against the positioning slot 1211 on the positioning plate 121. Through holes corresponding to the welding pins of the ultrasonic plate 111 are formed in the positioning groove 1211 of the positioning plate 121, the welding pins are welding pins of components welded on the ultrasonic plate 111, one end of a probe corresponding to the ultrasonic sensor passes through the probe fixing plate 13 to be connected with the ultrasonic sensor, and the other end of the probe corresponding to the ultrasonic sensor is used for being connected with the welding pins of the ultrasonic plate 111.
Continuing to refer to fig. 2, the circuit board testing device further includes a base 21, a distance measuring plate 16 is disposed outside the base 21, and the distance from the distance measuring plate 16 to the base 21 is adjustable, so that ultrasonic board testing under different distance scenes is realized, and the ultrasonic sensor is disposed in the base 21 facing the distance measuring plate 16.
Referring to fig. 4, the base 21 is further provided with a short circuit overcurrent monitoring module, a download module, a communication module, a power module, and the like, and the circuit board testing apparatus further includes a probe corresponding to the short circuit overcurrent monitoring module, a probe corresponding to the download module, a probe corresponding to the communication module, and a probe corresponding to the power module.
Wherein, the one end of the probe that the short circuit overflows that monitoring module corresponds passes probe fixed plate 13 and short circuit and overflows that monitoring module is connected, and the other end that the short circuit overflows the probe that monitoring module corresponds is used for connecting ultrasonic board 111, still is provided with the display module 211 that shows the monitoring result that the short circuit overflows monitoring module on the panel of base 21, and display module 211 can be the display screen.
One end of the probe corresponding to the downloading module penetrates through the probe fixing plate 13 to be connected with the downloading module, the other end of the probe corresponding to the downloading module is used for being connected with the ultrasonic plate 111, one end of the probe corresponding to the communication module penetrates through the probe fixing plate 13 to be connected with the communication module, the other end of the probe corresponding to the communication module is used for being connected with the ultrasonic plate 111, a communication interface is further arranged on a panel of the base 21, and the communication module reports the test data of the ultrasonic sensor downloaded by the downloading module to the test equipment through the communication interface.
Wherein, the communication module CAN be a CAN module, the communication interface CAN be a Universal Serial Bus (USB) extender interface, a USB line CAN be inserted into the USB extender interface, the circuit board testing device is connected with the testing equipment through the USB line, the communication module reports the test data of the ultrasonic sensor downloaded by the download module to the testing equipment through the USB line in the USB extender interface, the testing equipment CAN be a computer, a personal computer and the like, the testing equipment is internally provided with testing software, and the testing software is used for controlling the testing process and processing the test data so as to generate the test result of the ultrasonic board 111.
The following describes a process of performing a function test on the ultrasonic board 111 by using the circuit board testing apparatus shown in fig. 2, specifically as follows:
(1) placing the ultrasonic plate 111 on the positioning plate 121 and pressing;
(2) after the test equipment is connected with the circuit board test device, burning a downloaded program on the test equipment to the ultrasonic board 111;
(3) the short-circuit overcurrent monitoring module of the circuit board testing device is used for monitoring the short-circuit overcurrent of the ultrasonic board 111, and the monitoring result is displayed through the display module 211;
(4) when the monitoring result is qualified, controlling a circuit board testing device to start a testing process through testing software on testing equipment; in the testing process, a downloading module of the circuit board testing device obtains testing data through a burnt downloading program, a communication module of the circuit board testing device reports the testing data obtained by the downloading module to testing equipment, the testing data are distance data between each ultrasonic sensor and the ranging board 16, and testing software in the testing equipment processes the testing data to generate a testing result of the ultrasonic board 111. For example, when the error of the distance data measured by each ultrasonic sensor is within a preset range, the test result of the ultrasonic board 111 may be considered as a pass.
The utility model discloses circuit board testing arrangement utilizes the probe to be connected ultrasonic plate and each ultrasonic sensor, and the thimble type is connected promptly, has avoided ultrasonic sensor's artifical manual plug, and when ultrasonic sensor quantity was more, can be connected a plurality of ultrasonic sensor once only with the ultrasonic plate through a plurality of probes, has made things convenient for installation and test, has improved efficiency of software testing.
In addition, the short-circuit overcurrent monitoring module is used for monitoring the short-circuit overcurrent of the ultrasonic plate, and the display module on the base panel is used for displaying the monitoring result, so that the automatic monitoring of the short-circuit overcurrent is realized, and compared with manual monitoring, the accuracy of the monitoring result is improved.
In addition, the test data of the ultrasonic sensor downloaded by the downloading module are reported to the test equipment through the communication module, and the test equipment analyzes the test data to generate a function test result of the ultrasonic board, so that the automatic test of the ultrasonic board is realized, and the test efficiency is further improved.
Use circuit board 11 that awaits measuring to be light source board 112 as an example below, the detailed description the embodiment of the utility model provides a circuit board testing arrangement, as shown in fig. 5, when circuit board 11 that awaits measuring is light source board 112, testing device 14 can be the lamp, and the lamp can have a plurality ofly, utilizes a plurality of test lamps to realize the functional test to light source board promptly. The pressing mechanism 123 presses the light source plate 112 against the positioning plate 121 by driving the pressing plate 122 to move vertically, as shown in fig. 6, the positioning plate 121 is provided with positioning grooves 1211, and the light source plate 112 is pressed in the positioning grooves 1211 on the positioning plate 121. Through holes corresponding to the soldering pins of the light source plate 112 are formed in the positioning groove 1211 of the positioning plate 121, the soldering pins are soldering pins of components soldered to the light source plate 112, one end of a probe corresponding to a test lamp passes through the probe fixing plate 13 to be connected with the test lamp, and the other end of the probe corresponding to the test lamp is used for connecting the soldering pins of the light source plate 112.
With continued reference to fig. 5, the circuit board testing device further includes a base 21, and the test lights are disposed on a panel of the base 21, and the test lights may include a light strip 212 and a warning light 213.
In addition, a short circuit overcurrent monitoring module, a downloading module, a communication module, a power module and the like are further arranged in the base 21, and the circuit board testing device further comprises a probe corresponding to the short circuit overcurrent monitoring module, a probe corresponding to the downloading module, a probe corresponding to the communication module and a probe corresponding to the power module.
Wherein, the one end of the probe that the short circuit overflows that monitoring module corresponds passes probe fixed plate 13 and short circuit and overflows that monitoring module is connected, and the other end of the probe that the short circuit overflows that monitoring module corresponds is used for connecting light source board 112, still is provided with the display module 211 that shows the monitoring result that the short circuit overflows monitoring module on the panel of base 21, and display module 211 can be the display screen.
One end of the probe corresponding to the download module penetrates through the probe fixing plate 13 to be connected with the download module, the other end of the probe corresponding to the download module is used for being connected with the light source plate 112, one end of the probe corresponding to the communication module penetrates through the probe fixing plate 13 to be connected with the communication module, the other end of the probe corresponding to the communication module is used for being connected with the light source plate 112, a communication interface is further arranged on the panel of the base 21, and test data of the test lamp downloaded by the download module is reported to the test equipment through the communication interface by the communication module.
Wherein, communication module CAN be the CAN module, communication interface CAN be USB expander interface, CAN insert the USB line in the USB expander interface, circuit board testing arrangement is connected with test equipment through this USB line, communication module reports the test data of the lamp that download module downloaded to test equipment through the USB line in the USB expander interface, test equipment CAN be computer, personal computer etc., install test software in the test equipment, test software is used for controlling the test procedure and handles test data, in order to generate the test result of light source board 112.
The following describes a process of performing a function test on the light source board 112 by using the circuit board testing apparatus shown in fig. 5, specifically as follows:
(1) placing and pressing the light source plate 112 on the positioning plate 121;
(2) after the test equipment is connected with the circuit board test device, burning a downloaded program on the test equipment to the light source board 112;
(3) monitoring short circuit and overcurrent of the light source board 112 through a short circuit and overcurrent monitoring module of the circuit board testing device, and displaying a monitoring result through a display module;
(4) when the monitoring result is qualified, controlling a circuit board testing device to start a testing process through testing software on testing equipment; in the testing process, the download module of the circuit board testing device obtains test data through the burned download program, the communication module of the circuit board testing device reports the test data obtained by the download module to the testing equipment, the test data are on/off and color state data of each lamp strip 212 and each warning lamp 213, and the testing software in the testing equipment processes the test data to generate a test result of the light source plate 112. For example, when the error of the status data measured by each test lamp is within a predetermined range, the test result of the light source board 112 may be considered as being qualified.
The utility model discloses circuit board testing arrangement utilizes the probe to be connected light source board and test lamp, and the thimble type is connected promptly, has avoided the artifical manual plug of test lamp, has made things convenient for installation and test, has improved efficiency of software testing.
In addition, the short circuit overcurrent monitoring module is used for monitoring the short circuit overcurrent of the light source board, and the display module on the base panel is used for displaying the monitoring result, so that the automatic monitoring of the short circuit overcurrent is realized, and compared with manual monitoring, the accuracy of the monitoring result is improved.
In addition, the test data of the test lamp downloaded by the downloading module are reported to the test equipment through the communication module, and the test data are analyzed by the test equipment to generate a function test result of the light source plate, so that the automatic test of the light source plate is realized, and the test efficiency is further improved.
The embodiment of the utility model provides a still provides a circuit board test system, and this test system includes test equipment and circuit board testing arrangement, and this circuit board testing arrangement can be the circuit board testing arrangement that above-mentioned embodiment described, can specifically refer to the description of preceding embodiment, and this is no longer repeated here.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A circuit board testing device is characterized by comprising a circuit board fixing device, a probe fixing plate, a testing device and a probe corresponding to the testing device;
the circuit board fixing device is arranged on the probe fixing plate and used for fixing a circuit board to be tested;
one end of the probe corresponding to the testing device penetrates through the probe fixing plate to be connected with the testing device, and the other end of the probe corresponding to the testing device is used for being connected with the circuit board to be tested.
2. The apparatus according to claim 1, wherein the circuit board fixing device comprises a positioning plate, a pressing plate and a pressing mechanism, the pressing plate is disposed below the pressing mechanism, and the positioning plate is disposed below the pressing plate.
3. The apparatus for testing circuit board according to claim 2, wherein the positioning plate is provided with positioning grooves.
4. The apparatus according to claim 3, wherein a through hole is disposed on the positioning groove, and the other end of the probe corresponding to the testing device is used for connecting the circuit board to be tested through the through hole.
5. The device for testing the circuit board according to any one of claims 2 to 4, wherein the probe fixing plate and/or the pressing plate is/are made of a transparent material.
6. The circuit board testing device of claim 1, wherein the testing device comprises an ultrasonic sensor, the circuit board testing device further comprising a base, a distance measuring plate is arranged outside the base, and the ultrasonic sensor is arranged in the base towards the distance measuring plate.
7. The circuit board testing apparatus of claim 1, wherein the testing device comprises a light, the circuit board testing apparatus further comprising a base, the light being disposed on a panel of the base.
8. The circuit board testing device according to claim 6 or 7, wherein a short circuit overcurrent monitoring module is further arranged in the base, the circuit board testing device further comprises a probe corresponding to the short circuit overcurrent monitoring module, one end of the probe corresponding to the short circuit overcurrent monitoring module penetrates through the probe fixing plate to be connected with the short circuit overcurrent monitoring module, the other end of the probe corresponding to the short circuit overcurrent monitoring module is used for being connected with the circuit board to be tested, and a display module for displaying a monitoring result of the short circuit overcurrent monitoring module is further arranged on a panel of the base.
9. The circuit board testing device of claim 6 or 7, wherein a download module and a communication module are further disposed in the base, the circuit board testing device also comprises a probe corresponding to the downloading module and a probe corresponding to the communication module, one end of the probe corresponding to the downloading module passes through the probe fixing plate to be connected with the downloading module, the other end of the probe corresponding to the download module is used for connecting the circuit board to be tested, one end of the probe corresponding to the communication module passes through the probe fixing plate to be connected with the communication module, the other end of the probe corresponding to the communication module is used for connecting the circuit board to be tested, a communication interface is also arranged on the panel of the base, and the communication module reports the test data of the test device downloaded by the downloading module to test equipment through the communication interface.
10. A circuit board testing system, characterized by comprising a testing apparatus and a circuit board testing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120443888.1U CN215297565U (en) | 2021-03-01 | 2021-03-01 | Circuit board testing device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120443888.1U CN215297565U (en) | 2021-03-01 | 2021-03-01 | Circuit board testing device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215297565U true CN215297565U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120443888.1U Active CN215297565U (en) | 2021-03-01 | 2021-03-01 | Circuit board testing device and system |
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| Country | Link |
|---|---|
| CN (1) | CN215297565U (en) |
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2021
- 2021-03-01 CN CN202120443888.1U patent/CN215297565U/en active Active
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Address after: 601, 6 / F, building 2, No. 18, Kechuang 11th Street, Daxing District, Beijing, 100176 Patentee after: Jingdong Technology Information Technology Co.,Ltd. Address before: 601, 6 / F, building 2, No. 18, Kechuang 11th Street, Daxing District, Beijing, 100176 Patentee before: Jingdong Shuke Haiyi Information Technology Co., Ltd |