Miniaturized PCBA (Printed Circuit Board Assembly) detection device for optical fiber gyroscope

Abstract

The utility model belongs to the field of detection devices, and relates to a fiber-optic gyroscope miniaturized PCBA (Printed Circuit Board Assembly) detection device, which comprises a base, a test probe interface board, a fiber-optic gyroscope miniaturized PCBA detection device and a fiber-optic gyroscope miniaturized PCBA detection device, a plurality of test probes are arranged on the test probe interface board; the bearing plate is movably connected to the base, a mounting part is arranged on the bearing plate, and the mounting part is used for bearing a PCBA jointed board to be burnt; a plurality of guide through holes are formed in the mounting part; the plurality of guide through holes correspond to a plurality of test probes on the test probe interface board; the downward pressing unit is connected to the base; and the pressing unit pushes the bearing plate to approach the base, so that the plurality of test probes are in contact with test pins in the PCBA jointed board to be burnt through the corresponding plurality of guide through holes. After the structure is adopted, the device has the beneficial effects that the structure is simple, the use is convenient, a plurality of PCBA jointed boards to be burnt can be efficiently and simultaneously measured, the cost is saved, and the efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection devices, and in particular relates to a miniaturized PCBA detection device for a fiber optic gyroscope. Background Art

[0002] In the field of fiber optic gyroscope manufacturing, it is often necessary to inspect the quality of multiple miniaturized PCBA panels. These panels are composed of multiple PCBA units. During testing, inspectors must measure the voltage or current of each PCBA unit and compare it to a standard value. This manual testing method is not only prone to errors but also inefficient. Utility Model Content

[0003] In order to solve the above problems in the prior art, the utility model provides a miniaturized PCBA detection device for fiber optic gyroscope, which has a simple structure, is easy to use and has high efficiency.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] As one aspect of the present invention, a miniaturized PCBA detection device for a fiber optic gyroscope is provided, comprising: a base, wherein a test probe interface board is provided within the base; a plurality of test probes are provided on the test probe interface board; the test probes are used to contact and electrically connect with test pins of a PCBA panel to be burned; a plurality of signal switches are provided on the base, and each test probe is connected in series with a signal switch;

[0006] A carrier plate is movably connected to the base, and a mounting portion is provided on the carrier plate for supporting the PCBA panel to be burned; a plurality of guide holes are provided in the mounting portion; the plurality of guide holes correspond to the plurality of test probes on the test probe interface board;

[0007] The pressing unit is connected to the base; the pressing unit pushes the carrier plate close to the base, so that the multiple test probes contact the test pins in the PCBA panel to be burned through the corresponding multiple guide holes.

[0008] Optionally, a plurality of signal posts are provided on the base, and each test probe is connected in series with a signal post.

[0009] Optionally, a plurality of elastic columns are provided between the supporting plate and the base.

[0010] Optionally, a plurality of guide sleeves are provided on the base, and a guide rod matched with the plurality of guide sleeves is provided on the bearing plate.

[0011] Optionally, the downward pressure unit includes a support connected to the base, with a guide column perpendicular to the base provided on each side of the support, and a sliding bearing slidably connected to the guide column; a pressure plate is connected between the two sliding bearings, and the pressure plate is located above the load-bearing plate; a quick clamp is connected to the upper part of the support; and the movable end of the quick clamp is connected to the pressure plate.

[0012] Optionally, a plurality of pressing bars are arranged at intervals on the surface of the pressing plate close to the base.

[0013] Optionally, the quick clamp is a push-pull toggle clamp.

[0014] Optionally, support feet are provided on each of the four corners of the bottom of the base.

[0015] Optionally, the mounting portion is a groove.

[0016] The beneficial effects of the fiber optic gyroscope miniaturized PCBA detection device of the present invention are specifically embodied in: simple structure, easy use, and the ability to efficiently and simultaneously measure multiple PCBA panels to be burned, thereby saving costs and achieving high efficiency. In addition, guide holes are used in the carrier plate to guide the test probes to accurately contact the test pins of the PCBA panels to be burned, thereby ensuring the electrical connection stability of the tooling during long-term operation and avoiding the problem of poor contact caused by wear and deformation of the test probes during long-term operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0018] Figure 1 This is a structural stereogram of the miniaturized PCBA detection device for fiber optic gyroscopes of the present invention;

[0019] Figure 2 This is a structural front view of the miniaturized PCBA detection device for fiber optic gyroscopes of the present invention;

[0020] Figure 3 This is a structural cross-sectional view of the test probe interface board and the test probe of the present invention. DETAILED DESCRIPTION

[0021] To make the objectives, technical solutions, and advantages of the present invention more clearly apparent, the following will provide a clear and complete description of the technical solutions of the present invention in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0022] An embodiment of the present application provides a miniaturized PCBA detection device for a fiber optic gyroscope, such as Figure 1-Figure 3 As shown, it includes: a base 1, which plays a supporting role; a test probe interface board 11 is provided in the base 1, and the test probe interface board 11 is electrically connected to an external power supply; the test probe interface board 11 is connected to a program burning debugger through a burning port interface 16 provided on the base 1; a plurality of test probes 12 are provided on the test probe interface board 11; the test probes 12 are used to contact the test pins of the PCBA panel to be burned to form an electrical connection; a plurality of signal switches 14 are provided on the base 1, and each test probe 12 is connected in series with a signal switch 14; as an example, the signal switch 14 is a 10-bit signal switch; a plurality of signal columns 15 are provided on the base 1, and each test probe 12 is connected in series with a signal column 15; when in use, an oscilloscope's test lead is used to detect the waveform of the signal column 15;

[0023] The carrier plate 2 is movably connected to the base 1. The carrier plate 2 is provided with a mounting portion 21 for supporting the PCBA panel to be burned. As an example, the mounting portion 21 is groove-shaped and is adapted to fit the PCBA panel to be burned. The mounting portion 21 is provided with a plurality of guide holes 22. The plurality of guide holes 22 correspond to the plurality of test probes 12 on the test probe interface board 11. A plurality of elastic columns 23 are provided between the carrier plate 2 and the base 1.

[0024] The pressing unit 3 is connected to the base 1 ; the pressing unit 3 pushes the carrier plate 2 close to the base 1 , so that the plurality of test probes 12 contact the test pins in the PCBA panel to be burned through the corresponding plurality of guide holes 22 .

[0025] In one embodiment, if Figure 1 As shown, in order to make the movement between the supporting plate 2 and the base 1 more stable, the base 1 is provided with a plurality of guide sleeves 13, and the supporting plate 2 is provided with guide rods 24 that cooperate with the plurality of guide sleeves 13. The guide rods 24 cooperate with the corresponding guide sleeves 13 to make the movement between the supporting plate 2 and the base 1 more stable.

[0026] In one embodiment, if Figure 1-Figure 2As shown, the pressing unit 3 includes a support 31 connected to the base 1, and a guide column 32 perpendicular to the base 1 is provided on each side of the support 31, and a sliding bearing 33 is slidably connected to the guide column 32; a pressure plate 34 is connected between the two sliding bearings 33, and the pressure plate 34 is located above the supporting plate 2; a plurality of pressing rods 35 are arranged at intervals on the surface of the pressure plate 34 close to the base 1. During the pressing action, the pressing rods 35 contact the PCBA panel to be burned on the supporting plate 2 to transmit the pressing action; a quick clamp 36 is connected to the upper part of the support 31, and the quick clamp 36 is a push-pull elbow clamp, and its structure is the existing technology and will not be repeated; the movable end of the quick clamp 36 is connected to the pressure plate 34.

[0027] In one embodiment, if Figure 1-Figure 3 As shown, support legs 4 are provided at the four corners of the bottom of the base 1 for supporting purposes.

[0028] When in use, first place the PCBA panel to be burned on the mounting portion 21 of the carrier plate 2, then use the quick clamp 36 to slowly lower the pressing plate 34 along the axial direction of the guide column 32, pushing the carrier plate 2 close to the base 1, and multiple elastic columns 23 are squeezed during the downward pressing process; during this process, the carrier plate 2 will gradually approach the test probe interface board 11 fixed on the base 1, and the multiple test probes 12 on the test probe interface board 11 will gradually approach the test pins of the PCBA panel to be burned under the guidance of the multiple guide holes 22 in the carrier plate 2 until they contact the test pins of the PCBA panel to be burned; after the multiple test probes 12 contact the corresponding multiple test pins on the PCBA panel to be burned, an electrical connection is formed.

[0029] To sum up, the device of the present application has a simple structure and is easy to use. It can efficiently measure multiple PCBA panels to be burned at the same time, saving costs and increasing efficiency. In addition, guide holes are used in the carrier board to guide the test probe to accurately contact the test pins of the PCBA panels to be burned, ensuring the electrical connection stability of the tooling for long-term operation, and avoiding the problem of poor contact caused by wear and deformation of the test probe during long-term operation.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0031] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0032] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0033] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0034] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0035] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model in specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A miniaturized PCBA detection device for fiber optic gyroscope, characterized in that: It includes: a base, a test probe interface board is provided in the base; a plurality of test probes are provided on the test probe interface board; the test probes are used to contact the test pins of the PCBA panel to be burned to form an electrical connection; a plurality of signal switches are provided on the base, and each test probe is connected in series with a signal switch; A carrier plate is movably connected to the base, and a mounting portion is provided on the carrier plate for supporting the PCBA panel to be burned; a plurality of guide holes are provided in the mounting portion; the plurality of guide holes correspond to the plurality of test probes on the test probe interface board; The pressing unit is connected to the base; the pressing unit pushes the carrier plate close to the base, so that the multiple test probes contact the test pins in the PCBA panel to be burned through the corresponding multiple guide holes.

2. The fiber optic gyroscope miniaturized PCBA detection device according to claim 1, characterized in that: The base is provided with a plurality of signal posts, and each test probe is connected in series with a signal post.

3. The fiber optic gyroscope miniaturized PCBA detection device according to claim 1, characterized in that: A plurality of elastic columns are arranged between the supporting plate and the base.

4. The fiber optic gyroscope miniaturized PCBA detection device according to claim 1, characterized in that: The base is provided with a plurality of guide sleeves, and the bearing plate is provided with guide rods matched with the plurality of guide sleeves.

5. The fiber optic gyroscope miniaturized PCBA detection device according to claim 1, characterized in that: The pressing unit includes a support connected to the base, and a guide column perpendicular to the base is provided on each side of the support, and a sliding bearing is slidably connected to the guide column; a pressure plate is connected between the two sliding bearings, and the pressure plate is located above the load-bearing plate; a quick clamp is connected to the upper part of the support; the movable end of the quick clamp is connected to the pressure plate.

6. The fiber optic gyroscope miniaturized PCBA detection device according to claim 5, characterized in that: A plurality of pressing rods are arranged at intervals on the surface of the pressing plate close to the base.

7. The optical fiber gyroscope miniaturized PCBA detection device according to claim 5, characterized in that: The quick clamp is a push-pull toggle clamp.

8. The fiber optic gyroscope miniaturized PCBA detection device according to claim 1, characterized in that: Support legs are respectively provided on the four corners of the bottom of the base.

9. The fiber optic gyroscope miniaturized PCBA detection device according to claim 1, wherein: The mounting portion is a groove.

Images