CN219777853U - Printed circuit board assembly test fixture - Google Patents
Printed circuit board assembly test fixture Download PDFInfo
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- CN219777853U CN219777853U CN202320476232.9U CN202320476232U CN219777853U CN 219777853 U CN219777853 U CN 219777853U CN 202320476232 U CN202320476232 U CN 202320476232U CN 219777853 U CN219777853 U CN 219777853U
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- 238000012360 testing method Methods 0.000 title claims abstract description 129
- 230000002093 peripheral effect Effects 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Tests Of Electronic Circuits (AREA)
Abstract
The utility model provides a testing jig for a printed circuit board assembly, which comprises a bottom frame, a substrate, a printed circuit board assembly bearing plate and a testing pin supporting plate, wherein the bottom frame is provided with a plurality of test pins; the bottom frame is used for stabilizing the whole test fixture, and the substrate is loaded on the bottom frame or assembled above the bottom frame through the first support column; the printed circuit board assembly bearing plate is arranged on the base plate or assembled and arranged above the base plate through the second support column and can be disassembled; the peripheral area of the upper surface of the printed circuit bearing board is provided with a fixing piece for fixing the printed circuit board assembly to be tested; the test pin supporting plate is assembled above the printed circuit board assembly bearing plate through a third supporting column; the test pin supporting plate is used for penetrating through a pin connecting pin for testing pins of the printed circuit board assembly, or the pin connecting pin for testing pins of the printed circuit board assembly is arranged on one surface of the test pin supporting plate, which is positioned on the bearing plate of the printed circuit board assembly.
Description
Technical Field
The utility model mainly relates to the field of test tools, in particular to a test tool for a printed circuit board assembly.
Background
The printed circuit board assembly of the electronic device is subjected to various forms of hardware and software testing prior to final assembly, including, for example, system file loading and running, calibration of the size and mounting location of the printed circuit board assembly component modules, comprehensive functional testing of the printed circuit board assembly component modules, functional testing of peripheral modules, and the like. For different testing processes, a plurality of corresponding testing stations are formed, each station is provided with a testing jig, and the printed circuit board assembly to be tested is placed on the corresponding testing jig during testing and then begins to be tested.
For the case of multiple test stations (e.g., three test stations, five test stations, or more), multiple pick-and-place and mounting of the printed circuit board assembly to be tested to the test fixture is required, and the risk of damage to the printed circuit board assembly is greatly increased. Each test station needs to design and manufacture a corresponding test fixture, so that the universality is low, and the higher test cost is brought.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a testing jig for a printed circuit board assembly, which is used for realizing efficient, convenient and comprehensive testing of the printed circuit board assembly, reducing the damage rate of the printed circuit board assembly and reducing the cost required by the testing jig.
In order to solve the technical problems, the utility model provides a testing jig for a printed circuit board assembly, which comprises a bottom frame, a substrate, a printed circuit board assembly bearing plate and a testing pin supporting plate; the bottom frame is used for stabilizing the whole test fixture, and the substrate is loaded on the bottom frame or assembled above the bottom frame through a first support column; the printed circuit board assembly bearing plate is arranged on the base plate, or is assembled above the base plate through a second support column arranged on the bottom frame or the base plate and is detachable; the peripheral area of the upper surface of the printed circuit bearing board is provided with a fixing piece for fixing the printed circuit board assembly to be tested; the test pin supporting plate is assembled above the printed circuit board assembly bearing plate through a third supporting column arranged on the bottom frame; the test pin supporting plate is used for penetrating through a pin connecting pin for testing pins of the printed circuit board assembly, or a pin connecting pin for testing pins of the printed circuit board assembly is arranged on one surface of the test pin supporting plate, which is positioned on the bearing plate of the printed circuit board assembly.
In an embodiment of the utility model, the testing fixture for the printed circuit board assembly further comprises a top cover plate for protecting the test pin support plate; the top cover plate is assembled above the test pin support plate through a fourth support column arranged on the test pin support plate or the bottom frame.
In one embodiment of the utility model, the fixing member includes a magnet member or a boss.
In an embodiment of the present utility model, the pin connection pins are used for connecting test signals or file downloading interfaces required for testing the power supply module, the control module, the storage module, the communication module or the peripheral module of the printed circuit board assembly, and are electrically connected with corresponding test interfaces on the printed circuit board assembly.
In one embodiment of the present utility model, the pin connection pins are further used for calibrating the sizes and mounting positions of the components of the printed circuit board assembly, and are in contact with the set calibration positions of the components to be calibrated on the printed circuit board assembly.
In an embodiment of the utility model, the peripheral module comprises a display screen, a microphone, a speaker or a camera device.
In an embodiment of the utility model, the communication module comprises a bluetooth communication module, a wireless network communication module or a satellite communication (GPS) module.
In one embodiment of the utility model, the files include secure firmware class files or system configuration and flash files.
In an embodiment of the utility model, the printed circuit board assembly test fixture further includes a peripheral module placement assembly for placing a peripheral module for testing the printed circuit board assembly.
In an embodiment of the present utility model, the third support column group is combined with and disposed with the second support column.
In an embodiment of the present utility model, the fourth support column group is combined with and disposed with the third support column.
In one embodiment of the utility model, the printed circuit board assembly comprises a printed circuit board assembly mounted to a printer, a payment device or a cashier device.
Compared with the prior art, the utility model has the following advantages: according to the technical scheme, the detachable printed circuit board assembly bearing plate and the arrangement and application of the test pin supporting plate are adopted, so that the integration of the test fixture required in the test process of the printed circuit board assembly is realized, the manufacturing cost of the test fixture is reduced, the risk of damage in the test process of the printed circuit board assembly is reduced, and the test efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
In the accompanying drawings:
fig. 1 is a schematic diagram illustrating a printed circuit board assembly test fixture according to an embodiment of the utility model.
Fig. 2 is a schematic diagram illustrating a printed circuit board assembly test fixture according to an embodiment of the utility model.
Fig. 3 is a side view of a printed circuit board assembly test fixture according to an embodiment of the utility model.
Fig. 4 is a side view of a printed circuit board assembly test fixture according to another embodiment of the present utility model.
Fig. 5 is a side view of a printed circuit board assembly test fixture according to another embodiment of the present utility model.
Fig. 6 is a schematic view of a printed circuit board assembly test fixture for testing a printed circuit board assembly according to an embodiment of the utility model.
Fig. 7 is a schematic diagram of a test interface of a printed circuit board assembly according to an embodiment of the utility model.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are used in the description of the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some examples or embodiments of the present utility model, and it is apparent to those of ordinary skill in the art that the present utility model may be applied to other similar situations according to the drawings without inventive effort. Unless otherwise apparent from the context of the language or otherwise specified, like reference numerals in the figures refer to like structures or operations.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
It will be understood that when an element is referred to as being "on," "connected to," "coupled to," or "contacting" another element, it can be directly on, connected or coupled to, or contacting the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly connected to," "directly coupled to," or "directly contacting" another element, there are no intervening elements present. Likewise, when a first element is referred to as being "electrically contacted" or "electrically coupled" to a second element, there are electrical paths between the first element and the second element that allow current to flow. The electrical path may include a capacitor, a coupled inductor, and/or other components that allow current to flow even without direct contact between conductive components.
Embodiments of the present utility model describe a printed circuit board assembly test fixture.
Fig. 1 is a schematic diagram illustrating a printed circuit board assembly test fixture according to an embodiment of the utility model. Fig. 2 is a schematic diagram illustrating a printed circuit board assembly test fixture according to an embodiment of the utility model. Fig. 1 and 2 are perspective views of an exploded structure. Fig. 3 is a side view of a printed circuit board assembly test fixture according to an embodiment of the utility model. Fig. 4 is a side view of a printed circuit board assembly test fixture according to another embodiment of the present utility model. Fig. 5 is a side view of a printed circuit board assembly test fixture according to another embodiment of the present utility model.
Referring to fig. 1 to 5, a printed circuit board assembly test fixture 100 includes a bottom frame 101, a substrate 102, a printed circuit board assembly carrier 103, and a test pin support plate 104. The bottom frame 101 is used for stabilizing the whole test fixture 100, and the substrate 102 is loaded on the bottom frame 101 or is mounted above the bottom frame 101 through the first support column group 201. The printed circuit board assembly carrier 103 is disposed on the substrate 102 or is mounted above the substrate 102 by a second set of support posts 202 disposed on the bottom frame 101 or the substrate 102 and is removable. The peripheral area of the upper surface of the printed circuit carrier 103 is provided with a fixing member for fixing the printed circuit board assembly to be tested. The fixing member includes, for example, a magnet member or a boss. The upper surface of the magnet piece is flush with the upper surface of the printed circuit carrier plate 103, for example. In the case of a boss, the upper surface of the boss is slightly higher than the upper surface of the printed circuit carrier 103, for example, by several millimeters, to limit the printed circuit board assembly to be tested. For example, the first magnet piece 211 and the second magnet piece 212 are shown in fig. 2 located in a peripheral region of the printed circuit board assembly carrier plate 103. The printed circuit board assembly carrier 103 may be removed and installed according to different types of printed circuit board assemblies to be tested. Referring to fig. 5, the first support column group 201 and the second support column group 202 may be combined to form a unitary support column group structure, for example.
In some embodiments, the test pin support plate 104 is mounted above the printed circuit board assembly carrier plate 103 by a third set of support posts 203 disposed on the bottom frame 101. The test PIN support board 104 is used for penetrating through a PIN connection needle for testing PINs of the printed circuit board assembly, or a PIN connection needle (or PIN needle) for testing PINs of the printed circuit board assembly is arranged on one surface 104b of the test PIN support board 104, which is positioned on the bearing board of the printed circuit board assembly.
The printed circuit board assembly test fixture 100 further includes a top cover plate 110. The top cover plate 110 is used to protect the test pin support plate 104. The top cover plate 110 is mounted over the test pin support plate 104 through a fourth set of support columns 204 disposed on the test pin support plate or bottom frame 404. Referring to fig. 5, the fourth support column set 204 is combined with the third support column set 203 to form a unitary support column set structure. Each of the first to fourth support column groups includes, for example, two support columns or four support columns. The support column is made of plastic or metal, for example. The support column is, for example, in a detachable and telescopic form.
Fig. 6 is a schematic view of a printed circuit board assembly test fixture for testing a printed circuit board assembly according to an embodiment of the utility model. Fig. 7 is a schematic diagram of a test interface of a printed circuit board assembly according to an embodiment of the utility model. In some embodiments, referring to fig. 6 and 7, pin connection pins are used, for example, to connect test signals or file download interfaces required for testing a power module, control module, memory module, communication module, or peripheral module of a printed circuit board assembly and electrically connect with corresponding test interfaces on the printed circuit board assembly. The pin connection pins are also used, for example, to calibrate the dimensions and mounting positions of components of the printed circuit board assembly and to contact the set calibration positions of the components to be calibrated on the printed circuit board assembly. The power supply module includes a supply terminal and a ground terminal. The communication module includes, for example, a Bluetooth communication (Bluetooth) module, a wireless network communication (WiFi) module, or a satellite communication module. The files include, for example, secure firmware class files or system configuration and flash files, for example, in the. Bin format. The peripheral module includes, for example, a display screen, a microphone, a speaker, or an image pickup device. The secure firmware class file comprises, for example, a file corresponding to an encryption or decryption application program involved in processing service data corresponding to an applied service scenario of an electronic device, such as a payment device or a cashier device, in which the printed circuit board assembly is located.
Fig. 6 shows a first pin connection needle 601 and a second pin connection needle 602 which are inserted into corresponding process holes of the test pin support plate 103 to perform pin test on the printed circuit board assembly 620, and fig. 3 also shows a third pin connection needle 603 which is arranged on one surface 104b of the test pin support plate 104 and is positioned on the printed circuit board assembly bearing plate and is used for performing pin test on the printed circuit board assembly. The pin connection pins 601, 602 are electrically connected to, for example, a test interface corresponding to a constituent module of the printed circuit board assembly to transmit data or instructions, to realize a function of the constituent module of the printed circuit board assembly (including, for example, a power supply module, a control module, a communication module, or a peripheral module), and to test an overall function of the printed circuit board assembly. The first pin connection needle 601 and the second pin connection needle 602 are connected to control signals or data transmission signals required for testing through the first signal line 611 and the second signal line 612, respectively. The third pin connection pins 603 calibrate, for example, the size and mounting position of the components of the printed circuit board assembly and contact the set calibration positions of the components to be calibrated, for example, the components making up the peripheral module, on the printed circuit board assembly. The set verification positions of the components of the peripheral module include, for example, an interface of a display screen, an installation position of a microphone, an installation position of a speaker, and the like. Referring to fig. 6, the printed circuit board assembly test fixture 100 further includes, for example, a peripheral module placement assembly 631 for placing a peripheral module for testing the printed circuit board assembly, such as a display screen, a microphone, a speaker, or a camera device.
Fig. 7 illustrates exemplary test interfaces of a printed circuit board assembly, for example, interface 701 and interface 702 are a first power interface (e.g., supplying 24V power) and a ground interface, respectively. Interface 706 and interface 707 are the Transmit (TX) and Receive (RX) ends of the serial communications, respectively. The interface 705 is a second power interface (e.g., to supply 3.3V power). Interface 703 and interface 704 are used to form an I2C communication procedure together with interface 705 and interface 702.
In some embodiments, the printed circuit board assembly comprises a printed circuit board assembly mounted to a printer, a payment device, or a cashier device. The payment device comprises, for example, a mobile payment device. The cashier device includes, for example, a POS (Point of sales) or a self-service cashier device.
According to the printed circuit board assembly testing jig, through the arrangement and application of the detachable printed circuit board assembly bearing plate and the arrangement and application of the testing pin supporting plate, the integration of the testing jig required by the testing process of the printed circuit board assembly is realized, the one-stop testing of the printed circuit board assembly is realized, the universality and reusability of the testing jig are improved, the manufacturing cost of the testing jig is reduced, the risk of damage in the testing process of the printed circuit board assembly is reduced, and the testing efficiency is improved.
While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements and adaptations of the utility model may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within the present disclosure, and therefore, such modifications, improvements, and adaptations are intended to be within the spirit and scope of the exemplary embodiments of the present disclosure.
Meanwhile, the present utility model uses specific words to describe embodiments of the present utility model. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the utility model. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the utility model may be combined as suitable.
Similarly, it should be noted that in order to simplify the description of the present disclosure and thereby aid in understanding one or more inventive embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure, however, is not intended to imply that more features than are required by the subject utility model. Indeed, less than all of the features of a single embodiment disclosed above.
While the utility model has been described with reference to the specific embodiments presently, it will be appreciated by those skilled in the art that the foregoing embodiments are merely illustrative of the utility model, and various equivalent changes and substitutions may be made without departing from the spirit of the utility model, and therefore, all changes and modifications to the embodiments are intended to be within the scope of the appended claims.
Claims (12)
1. The testing jig for the printed circuit board assembly is characterized by comprising a bottom frame, a substrate, a printed circuit board assembly bearing plate and a testing pin supporting plate;
the bottom frame is used for stabilizing the whole test fixture, and the substrate is loaded on the bottom frame or assembled above the bottom frame through a first support column;
the printed circuit board assembly bearing plate is arranged on the base plate, or is assembled above the base plate through a second support column arranged on the bottom frame or the base plate and is detachable; the peripheral area of the upper surface of the printed circuit bearing board is provided with a fixing piece for fixing the printed circuit board assembly to be tested;
the test pin supporting plate is assembled above the printed circuit board assembly bearing plate through a third supporting column arranged on the bottom frame; the test pin supporting plate is used for penetrating through a pin connecting pin for testing pins of the printed circuit board assembly, or a pin connecting pin for testing pins of the printed circuit board assembly is arranged on one surface of the test pin supporting plate, which is positioned on the bearing plate of the printed circuit board assembly.
2. The printed circuit board assembly test fixture of claim 1, further comprising a top cover plate for protecting the test pin support plate; the top cover plate is assembled above the test pin support plate through a fourth support column arranged on the test pin support plate or the bottom frame.
3. The printed circuit board assembly test fixture of claim 1, wherein the fixture comprises a magnet or a boss.
4. The fixture of claim 1, wherein the pin connection pins are used to connect test signals or file download interfaces required for testing the power module, control module, memory module, communication module or peripheral module of the printed circuit board assembly and electrically connect with corresponding test interfaces on the printed circuit board assembly.
5. The jig for testing a printed circuit board assembly according to claim 1, wherein the pin connection pins are further used for calibrating the size and mounting position of the components of the printed circuit board assembly and are in contact with the set calibration positions of the components to be calibrated on the printed circuit board assembly.
6. The printed circuit board assembly test fixture of claim 4, wherein the peripheral module comprises a display screen, a microphone, a speaker, or a camera device.
7. The printed circuit board assembly test fixture of claim 4, wherein the communication module comprises a bluetooth communication module, a wireless network communication module, or a satellite communication module.
8. The printed circuit board assembly test fixture of claim 4, wherein the file comprises a secure firmware class file or a system configuration and swipe file.
9. The jig for testing a printed circuit board assembly according to claim 4, further comprising a peripheral module placement assembly for placing a peripheral module for testing a printed circuit board assembly.
10. The printed circuit board assembly test fixture of claim 1, wherein the third set of support columns is combined and disposed with the second set of support columns.
11. The printed circuit board assembly test fixture of claim 2, wherein the fourth set of support columns is combined and disposed with the third set of support columns.
12. The printed circuit board assembly test fixture of claim 1, wherein the printed circuit board assembly comprises a printed circuit board assembly mounted to a printer, a payment device, or a cashier device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320476232.9U CN219777853U (en) | 2023-03-10 | 2023-03-10 | Printed circuit board assembly test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320476232.9U CN219777853U (en) | 2023-03-10 | 2023-03-10 | Printed circuit board assembly test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219777853U true CN219777853U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320476232.9U Active CN219777853U (en) | 2023-03-10 | 2023-03-10 | Printed circuit board assembly test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219777853U (en) |
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- 2023-03-10 CN CN202320476232.9U patent/CN219777853U/en active Active
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