CN119827810A - Capacitor electrical ageing treatment carrier plate device - Google Patents

Abstract

The invention relates to a carrier plate device for electric aging treatment of a capacitor, and belongs to the technical field of capacitors. Including from the top down be equipped with upper plate, first PCB board, FPC board, second PCB board and hypoplastron in proper order, wherein, first PCB board lower surface is equipped with electrically conductive copper, be equipped with a plurality of first electrically conductive spring probe and the electrically conductive spring probe of second on the electrically conductive copper, the FPC board is equipped with the holding hole with first electrically conductive spring probe one-to-one, the holding hole is used for loading the condenser product, second PCB board upper surface is equipped with printed circuit, the last electric conductor that has plated of printed circuit, one side of second PCB board is equipped with the golden finger, second PCB board upper surface is equipped with the electrically conductive contact that is used for being linked together with the electrically conductive spring probe of second. By means of the method, the screening efficiency and the screening accuracy are greatly improved.

Description

Capacitor electrical ageing treatment carrier plate device

Technical Field

The invention relates to a carrier plate device for electric aging treatment of a capacitor, and belongs to the technical field of capacitors.

Background

The capacitor is an important component of electronic components, and the performance stability of the capacitor is critical to the normal operation of the circuit. The finished capacitor usually needs to be subjected to a ceramic aging test to screen out bad products, so that the reliability of a final circuit is ensured.

At present, the invention patent application number 201910451050.4 in China discloses a capacitor carrying box and a method for carrying out capacitor test and aging by using the carrying box in the prior art, wherein an upper plate and a bottom plate of the capacitor carrying box are provided with accommodating holes for accommodating capacitors; the top of the bottom plate is provided with an upper electrode corresponding to the position of the accommodating hole, and the bottom of the bottom plate is provided with a lower electrode respectively and correspondingly connected with the upper electrode. When the capacitor is used, firstly, a capacitor to be detected is placed in a containing hole of a capacitor carrying box; when testing, the capacitor carrying box with the capacitor is placed on a testing station, and the capacitor is connected to a test meter for testing by controlling the testing contact to be respectively contacted with the electrode at the upper end of the capacitor and the lower electrode of the capacitor carrying box; when ageing is carried out, the capacitor carrying box with the capacitor is arranged on the ageing plate, and then the ageing plate is inserted into an ageing machine to carry out heating ageing on the capacitor. However, this capacitor box cannot be electrically aged alone, and in addition, for a capacitor having a special structure, for example, the product is an upper and lower electrode, and the thickness of the product is extremely thin, so that the product needs to be electrically aged, and it is difficult for the conventional loading plate to effectively carry and conduct electricity.

Therefore, a carrier capable of effectively carrying the capacitor with the special structure and simultaneously having conductivity and reducing the operation difficulty of personnel is urgently needed, so that the convenient screening in the electric aging process is realized, and the efficiency of the ceramic aging test is improved.

Disclosure of Invention

The invention provides a capacitor electric aging treatment carrier plate device, and aims to design the capacitor electric aging treatment carrier plate device which has conductivity and reduces the operation difficulty of personnel so as to realize convenient screening in the electric aging process and improve the efficiency of an aging test.

The technical scheme adopted by the invention is that the capacitor electrical ageing treatment carrier plate device comprises an upper plate, a first PCB, an FPC (flexible printed circuit) board, a second PCB and a lower plate which are sequentially arranged from top to bottom, wherein a conductive copper plate is arranged on the lower surface of the first PCB, a plurality of first conductive spring probes and second conductive spring probes are arranged on the conductive copper plate, the FPC board is provided with containing holes which are in one-to-one correspondence with the first conductive spring probes and are used for loading capacitor products, a printed circuit is arranged on the upper surface of the second PCB, a conductor is plated on the printed circuit, a golden finger is arranged on one side of the second PCB, and a conductive contact which is used for being communicated with the second conductive spring probes is arranged on the upper surface of the second PCB.

Further, the first conductive spring probe tip diameter is greater than the receiving hole diameter.

Further, the upper surface of the second PCB board is provided with a guide pillar, and the guide pillar sequentially penetrates through the first PCB board and the upper board.

Further, screw holes are formed in the upper plate, the first PCB, the second PCB and the lower plate, and the upper plate, the first PCB, the second PCB and the lower plate are connected together through bolt assemblies.

Further, a fuse connected with the printed circuit is arranged on the upper surface of the other side of the second PCB.

Further, the upper plate is adhered to the first PCB, and the lower plate is fixed to the second PCB through screws.

Further, the upper plate and the lower plate are made of insulating and high-temperature-resistant materials.

Further, the upper plate and the lower plate are bakelite plates.

The invention discloses a carrier plate device for electric aging treatment of a capacitor, the capacitor has the beneficial effects that the connection and aging of the capacitor are realized through the carrier plate with the multilayer structure. The first conductive spring probe is contacted with the capacitor product, the second conductive spring probe is contacted with the conductive contact, the bottom end of the capacitor product is contacted with the conductor, and the golden finger is inserted into the socket to complete circuit connection, so that the convenient screening in the electric aging process is realized, and the efficiency of an aging test is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic top view of the upper plate of example 1;

Fig. 2 is a schematic bottom view of the first PCB in embodiment 1;

Fig. 3 is a schematic view showing the FPC board in embodiment 1 from the bottom;

Fig. 4 is a schematic top view of a second PCB in embodiment 1;

FIG. 5 is a schematic view of the bottom plate of example 1;

FIG. 6 is a schematic view of the guide post of example 1;

fig. 7 is a schematic view of the first conductive spring probe of fig. 2.

The figure shows:

1. An upper plate; 2, a first PCB board, 3, an FPC board, 4, a second PCB board, 5, a lower board, 6, a conductive copper plate, 7, a first conductive spring probe, 8, a second conductive spring probe, 9, a containing hole, 10, a screw hole, 11, a guide post, 12, a fuse, 13, a golden finger, 14, a conductive contact, 15, a conductor, 16 and a printed circuit.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order to solve the technical problems and to further understand the present invention, the following describes the technical solution in conjunction with the specific embodiments.

Embodiment 1 As shown in FIGS. 1-7, the embodiment provides a capacitor electrical aging treatment carrier device, which comprises an upper plate 1, a first PCB 2, an FPC board 3, a second PCB 4 and a lower plate 5 from top to bottom, wherein the lower surface of the first PCB 2 is provided with a conductive copper plate 6, 200 first conductive spring probes 7 and 4 second conductive spring probes 8 are arranged on the conductive copper plate 6, the FPC board 3 is provided with containing holes 9 corresponding to the first conductive spring probes 7 one by one, the containing holes 9 are used for loading capacitor products, the upper surface of the second PCB 4 is provided with a printed circuit 16, a conductor 15 is plated on the printed circuit 16, one side of the second PCB 4 is provided with a golden finger 13, the upper surface of the second PCB 4 is provided with 4 conductive contacts 14, and when the first PCB 2 is covered on the FPC board 3, the second conductive spring probes 8 are in contact with the conductive contacts 14. In order to ensure that the first conductive spring probe 7 is well contacted with the capacitor product in the accommodating hole 9, the upper surface of the second PCB 4 is provided with a guide pillar 11, guide holes are reserved on the first PCB 2 and the upper plate 1, the guide pillar 11 sequentially penetrates through the guide holes of the first PCB 2 and the upper plate 1, the guide pillar 11 plays a role in guiding and positioning, and quick installation and positioning are realized through cooperation of the guide pillar 11 and the guide holes. The tip diameter of the first conductive spring probe 7 is larger than the diameter of the accommodating hole 9, so that the first conductive spring probe 7 cannot pass through the accommodating hole 9. Wear of the capacitor product during the burn-in screening is avoided by providing the first conductive spring probe 7.

The upper plate 1, the first PCB 2, the second PCB 4 and the lower plate 5 are all provided with screw holes 10, and the lower plate 5, the second PCB 4, the FPC 3, the first PCB 2 and the upper plate 1 are sequentially installed from bottom to top and then are connected together through bolt assemblies.

Further, the fuse 12 connected with the printed circuit 16 is arranged on the upper surface of the other side of the second PCB 4, so that a safety guarantee is provided for the electrical aging process.

The upper plate 1 and the lower plate 5 are made of insulating and high-temperature resistant materials, and as a specific implementation manner in this embodiment, the upper plate 1 and the lower plate 5 are bakelite plates. And in the aging operation, the test voltage is maintained at 10-25V, the temperature is 25-150 ℃, heating, electrifying and aging are carried out, and the test voltage is taken out after the test voltage is placed for 48 hours or 96 hours.

In embodiment 2, as shown in fig. 1 to 7, on the basis of embodiment 1, the upper board 1 and the first PCB 2 are bonded together, and the lower board 5 and the second PCB 4 are fixed together by screws.

As shown in fig. 1 to 7, taking embodiment 2 as an example, a capacitor product is placed in a receiving hole 9 of an FPC board 3, then a first PCB board 2 and an upper board 1 are installed, at this time, a first conductive spring probe 7 contacts with the capacitor product, a second conductive spring probe 8 contacts with a conductive contact 14, the bottom end of the capacitor product contacts with a conductive body 15, a gold finger 13 is inserted into a socket to complete circuit connection, voltage is guaranteed to be 25V, heating and electrical aging are performed at 150 °, the temperature is kept for 96 hours, the capacitor product is taken out, and after the first PCB board 2 and the upper board 1 are taken down, whether damage exists on the capacitor product under thermal stress and electrical stress is observed, so that aging screening can be performed on a plurality of capacitor products at one time. The transfer of current is achieved by the contact of the first conductive spring probe 7 with the capacitor product and the contact of the second conductive spring probe 8 with the conductive contact 14 completes the circuit, enabling the capacitor product to achieve an electrical ageing process. Thereby improving the efficiency of the electrical aging screening and reducing the difficulty of manual operation.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.

Claims (8)

1. A capacitor electrical aging treatment board device, characterized in that it comprises, from top to bottom, an upper board (1), a first PCB board (2), an FPC board (3), a second PCB board (4) and a lower board (5), wherein a conductive copper plate (6) is provided on the lower surface of the first PCB board (2), a plurality of first conductive spring probes (7) and second conductive spring probes (8) are provided on the conductive copper plate (6), the FPC board (3) is provided with accommodating holes (9) corresponding to the first conductive spring probes (7), the accommodating holes (9) are used to load capacitor products, a printed circuit (16) is provided on the upper surface of the second PCB board (4), a conductor (15) is plated on the printed circuit (16), a gold finger (13) is provided on one side of the second PCB board (4), and a conductive contact (14) for connecting with the second conductive spring probes (8) is provided on the upper surface of the second PCB board (4). 2. A capacitor electrical aging treatment carrier device according to claim 1, characterized in that the tip diameter of the first conductive spring probe (7) is larger than the diameter of the accommodating hole (9). 3. A capacitor electrical aging treatment carrier device according to claim 1, characterized in that a guide column (11) is provided on the upper surface of the second PCB board (4), and the guide column (11) passes through the first PCB board (2) and the upper board (1) in sequence. 4. A capacitor electrical aging treatment carrier device according to claim 3, characterized in that the upper plate (1), the first PCB board (2), the second PCB board (4) and the lower plate (5) are all provided with screw holes (10), and the upper plate (1), the first PCB board (2), the second PCB board (4) and the lower plate (5) are connected together by a bolt assembly. 5. A capacitor electrical aging treatment carrier device according to claim 1, characterized in that a fuse (12) connected to a printed circuit (16) is provided on the other upper surface of the second PCB board (4). 6. A capacitor electrical aging treatment carrier device according to any one of claims 1 or 4, characterized in that the upper plate (1) and the first PCB board (2) are bonded together, and the lower plate (5) and the second PCB board (4) are fixed together by screws. 7. A capacitor electrical aging treatment board device according to claim 1, characterized in that the upper board (1) and the lower board (5) are made of insulating and high temperature resistant materials. 8. A capacitor electrical aging treatment board device according to claim 7, characterized in that the upper board (1) and the lower board (5) are both bakelite boards.