Aging clamp for patch type glass passivation diode
By designing a patch-type glass passivation diode aging fixture using Z-type limiting card, groove structure and spring mechanism, the problems of poor heat dissipation and cumbersome installation of aging fixtures in the prior art are solved, and the diode efficiency is achieved Aging testing and simplifying the racking process.
Patent Information
- Application Number
- CN202421230527.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing aging fixtures are poor in handling patch-type high-reliability glass passivation diodes, resulting in high temperature damage during high current and long-term aging. At the same time, the installation is cumbersome and time-consuming.
A patch glass passivation diode aging fixture is designed, which adopts a Z-type limiting card, groove structure and spring mechanism to achieve convenient clamping and good heat dissipation of the diode.
Through this design, the diode's heat dissipation is not affected, and the production efficiency is improved, avoiding the problem of high temperature damage, while simplifying the racking process and saving manpower and time.
Smart Images

Figure CN222430557U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a patch type glass passivation diode aging fixture. Background Art
[0002] The new SMD high-reliability glass passivated diode device is small in size, light in weight, and has a high installation density. The smaller device package volume improves the design flexibility of customers, but the smaller size and leadless package structure are undoubtedly a more difficult problem for device manufacturers in aging screening. In addition, the existing aging fixture adopts a fully wrapped type, which leads to poor heat dissipation during the aging process, so it cannot perform high-current and long-term aging. During the aging process, the device is easily damaged due to high temperature. At the same time, the device mounting is cumbersome, which consumes a lot of manpower and time. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a patch type glass passivated diode aging fixture.
[0004] The utility model is realized through the following technical solutions.
[0005] The utility model provides a patch type glass passivation diode aging fixture, comprising a bottom plate; a base is fixed on the bottom plate, one end of the bottom plate is hinged with a limit card, a groove is processed on the base, one end of the groove is closed and a fixed contact is installed, the fixed contact is connected to a fixed lead extending into one end of the bottom plate, a push rod is installed in the groove, the end of the push rod extending into the groove is fixedly connected to a movable contact, and the movable contact is connected to a movable lead movably installed at the other end of the bottom plate.
[0006] The limit card is Z-shaped, and a notch parallel to the center line of the groove is processed on the limit card. The width of the notch at one end of the limit card is larger than the diameter of the handle, and the width of the middle notch is smaller than the diameter of the handle. Both ends of the notch opening are hinged to the bottom plate perpendicular to the groove.
[0007] The groove comprises a clamping groove and a sliding groove, the sliding groove is a cylindrical groove, the clamping groove is a triangular groove, and the width of the clamping groove is smaller than the width of the sliding groove.
[0008] A limit platform is also processed in the middle of the push rod, and a spring is installed between the limit platform and the movable contact. The diameter of the movable contact is smaller than the outer diameter of the spring, and the diameters of the limit platform and the movable contact are larger than the inner diameter of the spring.
[0009] The end of the push rod outside the groove is also fixedly connected with a truncated cone-shaped handle.
[0010] The two ends of the bottom plate are respectively processed with a through hole and a groove parallel to the groove, the fixed lead is fixed in the through hole, the movable lead is movably installed in the groove, and the movable contact is fixed to the movable lead through a connecting rod.
[0011] The beneficial effects of the utility model are as follows: the grooves on the same straight line are used to slide the ejector rod and clamp the diode, so that it is convenient for operators to clamp the diode and the production efficiency is improved; after clamping, there is no covering above the diode and the heat dissipation of the diode will not be affected. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] In the figure: 1-fixed lead, 2-bottom plate, 3-base, 4-limiting card, 5-spring, 6-top rod, 7-clamping groove, 8-movable contact, 9-sliding groove, 10-limiting platform, 11-movable lead, 12-fixed contact. DETAILED DESCRIPTION
[0014] The technical solution of the utility model is further described below, but the scope of protection required is not limited to the description.
[0015] A patch-type glass passivation diode aging fixture comprises a bottom plate 2; a base 3 is fixed on the bottom plate 2, a limit card 4 is hinged at one end of the bottom plate 2, a groove is processed on the top of the base 3, one end of the groove is closed and a fixed contact 12 is installed, the fixed contact 12 is connected to a fixed lead 1 extending into one end of the bottom plate 2, a push rod 6 is installed in the groove, a movable contact 8 is fixed to the end of the push rod 6 extending into the groove, and the movable contact 8 is connected to a movable lead 11 movably installed at the other end of the bottom plate 2. When in use, the fixture limit card 4 is opened, the patch-type glass passivation diode is placed in the groove 7, the spring 5 pushes the movable contact 8 of the push rod 6 to contact the diode electrode sheet, and after the limit card 4 is closed, the notch in the middle thereof clamps the handle 6, and the movable contact 8 and the fixed contact 12 realize the conductive connection between the diode electrode sheet and the leads 1 on both sides of the fixture, and there is no covering on the top of the fixture, so that it will not affect the heat dissipation of the device.
[0016] The limit card 4 is Z-shaped, and a notch parallel to the center line of the groove is processed on the limit card 4. The width of the notch at one end of the limit card 4 is greater than the diameter of the handle, and the width of the middle notch is less than the diameter of the handle. The two ends of the notch opening are hinged on the bottom plate 2 perpendicular to the groove. When the Z-shaped limit card is opened, the middle part lies on the base 3, and when it is closed, one of its hinged ends is limited by the bottom plate, and its free rotation is limited by the elastic force of the spring on the top rod.
[0017] The groove includes a clamping groove 7 and a sliding groove 9, wherein the sliding groove 9 is a cylindrical groove, the clamping groove 7 is a triangular groove, and the width of the clamping groove 7 is smaller than the width of the sliding groove 9. The step formed between the clamping groove 7 and the sliding groove 9 is used to clamp one end of the spring to reduce the pressure of the ejector rod on the diode.
[0018] A limit platform 10 is also processed in the middle of the push rod 6, and a spring 5 is installed between the limit platform 10 and the movable contact 8. The diameter of the movable contact 8 is smaller than the outer diameter of the spring 5, and the diameters of the limit platform 10 and the movable contact 8 are larger than the inner diameter of the spring 5.
[0019] The two ends of the bottom plate 2 are respectively processed with a through hole and a groove parallel to the groove, the fixed lead 1 is fixed in the through hole, the movable lead 11 is movably installed in the groove, and the movable contact 8 is fixed to the movable lead 11 through a connecting rod.
Claims
1. A surface mount glass passivated diode aging fixture, comprising a bottom plate (2), characterized in that: A base (3) is fixed on the bottom plate (2), one end of the bottom plate (2) is hingedly connected to a limit clamp (4), a groove is processed on the top of the base (3), one end of the groove is closed and a fixed contact (12) is installed, the fixed contact (12) is connected to a fixed lead (1) extending into one end of the bottom plate (2), a push rod (6) is installed in the groove, the end of the push rod (6) extending into the groove is fixedly connected to a movable contact (8), the end of the push rod (6) outside the groove is also fixedly connected to a truncated cone-shaped handle, and the movable contact (8) is connected to a movable lead (11) movably installed at the other end of the bottom plate (2).
2. The SMD glass passivated diode aging fixture as claimed in claim 1, characterized in that: The limit card (4) is Z-shaped, and a notch parallel to the center line of the groove is processed on the limit card (4). The width of the notch at one end of the limit card (4) is greater than the diameter of the handle, and the width of the middle notch is less than the diameter of the handle. The two ends of the notch opening are hinged on the bottom plate (2) perpendicular to the groove.
3. The SMD glass passivated diode aging fixture as claimed in claim 1, characterized in that: The groove comprises a clamping groove (7) and a sliding groove (9), the sliding groove (9) is a cylindrical groove, the clamping groove (7) is a triangular groove, and the width of the clamping groove (7) is smaller than the width of the sliding groove (9).
4. The SMD glass passivated diode aging fixture as claimed in claim 1, characterized in that: A limiting platform (10) is also processed in the middle of the push rod (6), and a spring (5) is installed between the limiting platform (10) and the movable contact (8), the diameter of the movable contact (8) is smaller than the outer diameter of the spring (5), and the diameters of the limiting platform (10) and the movable contact (8) are larger than the inner diameter of the spring (5).
5. The SMD glass passivated diode aging fixture as claimed in claim 1, characterized in that: The two ends of the bottom plate (2) are respectively processed with a through hole and a groove parallel to the groove. The fixed lead (1) is fixedly connected in the through hole, and the movable lead (11) is movably installed in the groove. The movable contact (8) is fixedly connected to the movable lead (11) via a connecting rod.