Capacitor blister tray

Abstract

The utility model belongs to the technical field of packaging trays, and discloses a plastic tray for a capacitor, which comprises a tray body (1) made of PET (polyethylene terephthalate) resin through integral stamping, and the upper surface of the tray body (1) sinks downwards to form a plurality of accommodating grooves (2) arranged in an array; the front face and the back face of the tray body (1) are each coated with a conductive liquid layer, and a discharging protrusion (3) in the center of the bottom of each containing groove (2) is provided with a waist part (4) in the center and a sector-shaped discharging part (5) attached to a rivet. 7-shaped pin cavities (6) for placing pins are respectively arranged on two sides of the discharge bulge (3); the cross section of the transverse part (7) of the 7 shape is trumpet-shaped, and the small opening end of the trumpet is provided with an arc surface (9); and a common section (11) on the inner side of the 7-shaped vertical part (8) serves as a part of the side length of the discharge part (5) and is connected with the discharge part (5) in an attached manner. According to the utility model, residual electricity in the capacitor in each tray body is ensured to be released, and the releasing effect of the residual voltage of the capacitor is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging trays, in particular to a capacitor blister tray. Background Art

[0002] Capacitors are a common component in electronic devices, including household appliances such as air conditioners and televisions. During prolonged storage, a voltage can develop between the terminals of capacitors, reaching 15-25% of the original applied voltage. This voltage, known as regenerative voltage or residual voltage, is due to dielectric absorption. Once regenerative voltage occurs, sparks can startle assembly line workers and potentially affect low-voltage components (such as the CPU and memory).

[0003] Related reference CN221466998U discloses a conductive slot for capacitor discharge and a conductive tray body containing the conductive slot, including a receiving slot, the bottom of which is relatively provided with a concave first guide needle cavity and a second guide needle cavity, and the bottom of the receiving slot is also provided with a conductive step for contact conduction, but the conductive effect is relatively poor. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a capacitor blister tray which can improve the release effect of the residual voltage of the capacitor.

[0005] In order to solve the above technical problems, the utility model provides a capacitor blister tray, including a tray body made by integral stamping, the upper surface of the tray body is recessed downward to form a plurality of receiving slots arranged in an array for inserting capacitors; the tray body is made of PET resin; both the front and back sides of the tray body are coated with a conductive liquid layer, and a discharge protrusion is provided in the center of the bottom of the receiving slot; the discharge protrusion has a central waist and a fan-shaped discharge portion that fits with the rivet; pin cavities for placing pins are provided on both sides of the discharge protrusion, and the pin cavities are 7-shaped; the cross-section of the pin cavity is trumpet-shaped, and the small mouth end of the trumpet is provided with a circular arc surface, and the circular arc surface, one side of the trumpet and the waist of the discharge protrusion are fit together; the common section on the inner side of the vertical part of the pin cavity is fit together with the discharge portion as part of the side length of the discharge portion.

[0006] By adopting the above technical solution, both sides of the tray body are coated with a conductive liquid layer, and the discharge protrusion with a waist and the 7-shaped pin cavity are matched to ensure that the residual electricity in the capacitor in each tray body is released, effectively improving the release effect of the residual voltage of the capacitor.

[0007] Preferably, the waist of the discharge protrusion and the 7-shaped arc surface are shared, and the arc radius is 2.5-3.4 mm.

[0008] By adopting the above technical solution, the discharge raised waist and the 7-shaped arc surface are shared, thereby optimizing the structure.

[0009] Preferably, the height of the discharge protrusion is 2 mm.

[0010] By adopting the above technical solution, the height of the discharge protrusion is 2 mm, which is compatible with the capacitor rivet and facilitates good contact between the rivet and the discharge protrusion.

[0011] Preferably, the ratio of the pin cavity depth h to the receiving groove depth H is 1:75.

[0012] By adopting the above technical solution, the ratio of the pin cavity depth to the receiving groove depth is set to 1:75, the capacitor can be stably placed in the receiving groove, the capacitor pin can be freely extended in the pin cavity, and the material used to manufacture the tray can be saved.

[0013] Preferably, the ratio of the pin cavity length L1 to the discharge protrusion length L2 is 1:8.8.

[0014] By adopting the above technical solution, the ratio of the 7-shaped pin cavity length to the discharge protrusion length is positioned at 1:8.8, so that capacitors with L-shaped pins and capacitors with parallel pins can both discharge well in the accommodating groove.

[0015] Preferably, the included angle α between the two horn edges of the horizontal portion is 40 degrees.

[0016] By adopting the above technical solution, the pin movement range is reduced by limiting the size of the bell mouth, ensuring that the rivet maintains contact with the discharge protrusion coated with a conductive liquid layer and having a waist during transportation, thereby improving the discharge effect of the capacitor residual charge.

[0017] Preferably, the included angle θ between the side edge and the common section is 90 degrees.

[0018] By adopting the above technical solution, the angles between the two sides of the 7-shape are set to 90 degrees, so that the capacitor with L-shaped pins can be well accommodated in the receiving slot during transportation, achieving a good residual charge discharge effect.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The tray body of this utility model is coated with a conductive liquid layer on both sides, and the discharge protrusion with a waist and the 7-shaped pin cavity are matched to ensure that the residual electricity in the capacitors in each tray body is released, effectively improving the release effect of the residual voltage of the capacitor.

[0021] 2. The ratio of the pin cavity depth to the receiving groove depth of the utility model is set at 1:75. The capacitor can be stably placed in the receiving groove, the capacitor pin can be freely extended in the pin cavity, and the material used to manufacture the tray can be saved.

[0022] 3. The ratio of the length of the 7-shaped portion to the length of the discharge protrusion is 1:8.8, so that capacitors with L-shaped pins and capacitors with parallel pins can both discharge well in the accommodating groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a side view of the utility model;

[0025] Figure 3 This is an enlarged view of the receiving tank of the utility model.

[0026] Figure numbers: 1. Tray, 2. Receiving groove, 3. Discharge protrusion, 4. Waist, 5. Discharge part, 6. Pin cavity, 7. Horizontal part, 8. Vertical part, 9. Arc surface, 10. Side, 11. Common section. DETAILED DESCRIPTION

[0027] like Figure 1 As shown, the capacitor blister tray includes a tray body 1 integrally stamped from PET resin. The upper surface of the tray body 1 is recessed downward to form a plurality of receiving slots 2 arranged in an array for inserting capacitors. Both the front and back surfaces of the tray body 1 are coated with a conductive liquid layer, and a discharge protrusion 3 is provided at the center of the bottom of the receiving slot 2. The discharge protrusion 3 has a central waist 4 and a fan-shaped discharge portion 5 that fits with the rivet; pin cavities 6 for receiving pins are provided on both sides of the discharge protrusion 3, and the pin cavities 6 are 7-shaped; the cross section 7 of the 7-shaped portion is horn-shaped, and the small end of the horn is provided with a circular arc surface 9, and the circular arc surface 9 and one side 10 of the horn are in fit with the waist 4 of the discharge protrusion 3; the common section 11 on the inner side of the 7-shaped vertical portion 8 serves as a part of the side length of the discharge portion 5 and is in fit connection with the discharge portion 5. Both sides of the tray body 1 are coated with a conductive liquid layer, and the discharge protrusion 3 with a waist and the 7-shaped pin cavity 6 are matched to ensure that the residual electricity in the capacitor in each tray body 1 is released, effectively improving the release effect of the capacitor regeneration voltage or residual voltage.

[0028] The waist 4 of the discharge protrusion 3 is shared with the 7-shaped arc surface 9, and the arc radius is 2.5-3.4mm, which optimizes the structure. The height of the discharge protrusion 3 is 2mm, which is compatible with the capacitor rivet and facilitates good contact between the rivet and the discharge protrusion 3.

[0029] like Figure 2 As shown, the ratio of the depth h of the pin cavity 6 to the depth H of the receiving groove 2 is 1:75. Setting this ratio of 1:75 ensures that the capacitor can be securely placed in the receiving groove 2, allowing the capacitor pins to extend freely in the pin cavity 6 and saving materials in the tray manufacturing process.

[0030] like Figure 3 As shown, the ratio of the 7-shaped length L1 to the length L2 of the discharge protrusion 3 is 1:8.8, so that capacitors with L-shaped pins and capacitors with parallel pins can both discharge well in the receiving groove 2.

[0031] The angle α between the two flared sides of the 7-shaped horizontal portion 7 is 40 degrees. By limiting the size of the flared mouth, the pin's range of motion is reduced, ensuring that the rivet maintains contact with the discharge protrusion 3 coated with a conductive liquid layer and having a waist during transportation, thereby improving the discharge effect of the capacitor's residual charge.

[0032] The included angle θ between one side 10 of the 7-shaped portion and the common section 11 is 90 degrees, so that the capacitor with L-shaped pins can be well accommodated in the receiving groove 2 during transportation, achieving a good residual charge discharge effect.

[0033] When manufacturing the tray, a mold is used to press and form the discharge protrusion 3, waist 4, discharge part 5, pin cavity 6, horizontal part 7 and vertical part 8 of the tray. During transportation, the capacitor is placed in the accommodating slot 2, and the two pins on the bottom of the capacitor are respectively located in the 7-shaped pin cavity 6 on both sides of the discharge protrusion 3. The rivets of the capacitor are always in contact with the fan-shaped discharge part 5 of the discharge protrusion 3 coated with a conductive liquid layer, which improves the release effect of the residual voltage of the capacitor.

[0034] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are provided for illustrative purposes only and are not intended to limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. A capacitor blister tray, comprising a tray body (1) formed by integral stamping, wherein the upper surface of the tray body (1) is recessed downward to form a plurality of array-arranged receiving slots (2) for inserting capacitors; characterized in that: The tray body (1) is made of PET resin; both the front and back sides of the tray body (1) are coated with a conductive liquid layer, and a discharge protrusion (3) is provided at the center of the bottom of the receiving groove (2); the discharge protrusion (3) has a central waist (4) and a fan-shaped discharge portion (5) that is in contact with the rivet; pin cavities (6) for accommodating pins are provided on both sides of the discharge protrusion (3), and the pin cavities (6) are 7-shaped; the cross section (7) of the pin cavity (6) is trumpet-shaped, and the small mouth end of the trumpet is provided with an arc surface (9), and the arc surface (9), a side edge (10) of the trumpet and the waist (4) of the discharge protrusion (3) are in contact; the common section (11) inside the vertical portion (8) of the pin cavity (6) serves as a part of the side length of the discharge portion (5) and is in contact with the discharge portion (5).

2. The capacitor blister tray according to claim 1, characterized in that: The waist (4) of the discharge protrusion (3) and the 7-shaped arc surface (9) are shared, and the arc radius is 2.5-3.4 mm.

3. The capacitor blister tray according to claim 1, characterized in that: The height of the discharge protrusion (3) is 2 mm.

4. The capacitor blister tray according to claim 1, characterized in that: The ratio of the depth h of the pin cavity (6) to the depth H of the accommodating groove (2) is 1:

75.

5. The capacitor blister tray according to claim 1, characterized in that: The ratio of the length L1 of the pin cavity (6) to the length L2 of the discharge protrusion (3) is 1:8.

8.

6. The capacitor blister tray according to claim 1, characterized in that: The included angle α of the two horn edges of the transverse portion (7) is 40 degrees.

7. The capacitor blister tray according to claim 1, characterized in that: The included angle θ between the side edge (10) and the common section (11) is 90 degrees.

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