CN203351436U - Resistant aging board applied to SMD tantalum electrolytic capacitor - Google Patents
Resistant aging board applied to SMD tantalum electrolytic capacitor Download PDFInfo
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- CN203351436U CN203351436U CN 201320481290 CN201320481290U CN203351436U CN 203351436 U CN203351436 U CN 203351436U CN 201320481290 CN201320481290 CN 201320481290 CN 201320481290 U CN201320481290 U CN 201320481290U CN 203351436 U CN203351436 U CN 203351436U
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- epoxy resin
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- density epoxy
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Abstract
The utility model provides a resistant aging board applied to an SMD tantalum electrolytic capacitor. The resistant aging board comprises a stainless steel frame, a high-density epoxy resin plate, and an aging circuit, wherein the high-density epoxy resin plate is fixed on the stainless steel frame and comprises an upper surface and a lower surface, and the upper surface is further provided with a positive electrode wiring terminal, a negative electrode wiring terminal, a positive electrode conductive plate and a negative electrode conductive plate; the aging circuit is burnt on the upper surface of the high-density epoxy resin plate; the resistant aging board further comprises a plurality of current-limiting elements; and the number of the current-limiting elements is identical to the maximum number of capacitors which can be placed on the high-density epoxy resin plate, and the current-limiting elements are welded on the lower surface of the high-density epoxy resin plate and are in one-to-one correspondence with the products. The embodiment of the utility model realizes that each product corresponds to one resistor, completely solves the problem that other products cannot be aged due to some defective products and the problem of combustion during the aging process, effectively ensures the aging effect of products, and improves the product qualified rate.
Description
Technical field
The utility model relates to tantalum capacitor and manufactures field, relate in particular to a kind of be applied to SMD tantalum electrolytic capacitor the resistance burn-in board arranged.
Background technology
The manufacturing process complexity of SMD tantalum electrolytic capacitor, make properties of product stable, and reliability is strong, must be through aging technique, the aging stability and the reliability that whether have thoroughly determined product.
As depicted in figs. 1 and 2, a burn-in board only has a current-limiting resistance to burn-in board originally, or a product only has a current-limiting resistance protection.When aging by this without hindrance burn-in board, when having product to occur that electric leakage is large, current-limiting resistance just works, voltage drop, and the whole piece product all can't normal aging so, causes the ageing time deficiency, poor effect, electrical property is unstable.More prior: that combustibility is arranged when very large due to the electric current of tantalum capacitor; owing to there is no man-to-man resistance protection, portioned product electric leakage super large is even during short circuit, and product will burn; can also burn out good product on every side or sooting in combustion process, cause bad order.Therefore, need to develop a kind of novel burn-in board, the problem of burning in the problem that other products that thoroughly solution causes due to indivedual defective productss can't be aging and ageing process.
Summary of the invention
The purpose of this utility model be to provide a kind of be applied to SMD tantalum electrolytic capacitor the resistance burn-in board arranged, other products that solution causes due to indivedual defective productss in ageing process can't be aging problem and the problem of burning, improve aging of product effect, improve conforming product rate.
The purpose of this utility model is achieved through the following technical solutions:
A kind of be applied to SMD tantalum electrolytic capacitor the resistance burn-in board arranged, comprise stainless steel frame, high density epoxy resin board, aging circuit; Described high density epoxy resin board is fixed on stainless steel frame, comprises upper surface and lower surface, and positive terminal, negative terminal, cathode conductive film, cathode conductive film also are installed on upper surface; Described aging circuit is fired in the upper surface of high density epoxy resin board;
This has the resistance burn-in board also to comprise several current limiting elements; The number of described current limiting element is identical with the maximum capacitor quantity that can place on the high density epoxy resin board, is welded in the lower surface of high density epoxy resin board, corresponding one by one with described product;
Wherein, the both sides of the upper surface of described high density epoxy resin board also are fixed with the installation guide pillar in order to fixing aging pressing plate.
Wherein, described current limiting element is specially resistance.
Compared with prior art, the utility model embodiment has following beneficial effect:
The utility model embodiment has realized the corresponding resistance of each product, thoroughly solved the problem of burning in problem that other products of causing due to indivedual defective productss can't be aging and ageing process, effectively guarantee the aging effect of product, improved conforming product rate.
The accompanying drawing explanation
Fig. 1 is the front view of existing without hindrance burn-in board.
Fig. 2 is the rearview of existing without hindrance burn-in board.
Fig. 3 is the front view that the resistance burn-in board is arranged that the utility model embodiment provides.
Fig. 4 is the rearview that the resistance burn-in board is arranged that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In the manufacturing process of SMD tantalum electrolytic capacitor, the principle of utilizing burn-in board to carry out burin-in process to product is: product applies the rated voltage of 1.25 times at the temperature of 85-125 degree centigrade, keep 2-8 hour, repair or reject oxide-film product defective in this process.The dielectric dielectric strength of oxide-film of product is increased, reach the effect of thorough obstruct negative electrode and anode.In use more stable, reliable to guarantee product.
For obtaining good aging effect, refer to shown in Fig. 3 and Fig. 4, adopt the resistance burn-in board is arranged in the present embodiment, comprising: stainless steel frame 1, high density epoxy resin board 2, aging circuit 3, several current limiting elements 4.
High density epoxy resin board 2, be fixed on stainless steel frame 1, comprises upper surface and lower surface.
The number of current limiting element 4 is identical with the maximum capacitor quantity that can place on high density epoxy resin board 2, with the man-to-man lower surface that is welded in high density epoxy resin board 2 of product; Current limiting element 4 can adopt resistance but be not limited to resistance.
Above-mentioned have the procedure of processing of resistance burn-in board to be: according to aging principle and product size customized burn circuit diagram; Brush insulating varnish according to circuit requirement on high density epoxy resin board 2, copper-surfaced sheet, burn into are electroplated; Be welded on high density epoxy resin board 2 current limiting element 4 is man-to-man as requested; High density epoxy resin board 2 is fixed on the stainless steel frame of corresponding size, in case fracture or be out of shape; Guide pillar 24 is installed in both sides at high density epoxy resin board 2, in order to place aging pressing plate.
Above-mentioned have the using method of resistance burn-in board to be: first determine the both positive and negative polarity of the aging pressing plate of resistance, negative pole is a monolithic conductive sheet, and positive pole is the conducting strip separated, and number equates with capacitor; Product is being had on the aging pressing plate of resistance by correct cathode and anode directions pendulum, and the positive pole of product is placed on the positive pole of the aging pressing plate of resistance; Put aging pressing plate on two positioning guide column, with screw, aging pressing plate is tightened on guide pillar and just can compresses product, now the elastic adhesive tape on aging pressing plate can well be evaded the imbalance of burn-in board; On the positive and negative terminal that the aging pressing plate of resistance is arranged, switch on power, give appropriate voltage, whether have the bad phenomenon such as short circuit or step-down or electric current very large, just take off aging pressing plate inspection and fix a breakdown if having, until supply voltage and electric current show normal position if checking.
Below will be by experiment the present embodiment be had to aging and existing without hindrance aging comparing of resistance:
(1) get 2000 of a collection of 6v107B shell products, be divided into respectively two 1000, wherein 1,000 do without hindrance aging, another thousand done the resistance aging.
(2) product be arranged on respectively to without hindrance burn-in board and have on the resistance burn-in board.
(3) burn-in board that will install product is placed on respectively in the baking oven of 95 degree, connects relevant voltage (7.6V), start aging, ageing time 2 hours.
Contrast by experiment: in without hindrance ageing process, the power supply step-down is reported to the police 15 times, need to open burn-in board at every turn while reporting to the police and look for waste product, again aging after waste product removing; After aging end, burn black defective products and amount to 78.Have in the resistance ageing process, the step-down phenomenon do not occur, after aging end, burning black product is zero branch.Visible have the aging effect of resistance to be better than without hindrance aging effect far away.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (3)
- One kind be applied to SMD tantalum electrolytic capacitor the resistance burn-in board arranged, comprise stainless steel frame, high density epoxy resin board, aging circuit; Described high density epoxy resin board is fixed on stainless steel frame, comprises upper surface and lower surface, and positive terminal, negative terminal, cathode conductive film, cathode conductive film also are installed on upper surface; Described aging circuit is fired in the upper surface of high density epoxy resin board; It is characterized in that,This has the resistance burn-in board also to comprise several current limiting elements; The number of described current limiting element is identical with the maximum capacitor quantity that can place on the high density epoxy resin board, is welded in the lower surface of high density epoxy resin board, corresponding one by one with described capacitor.
- 2. what be applied to as claimed in claim 1 SMD tantalum electrolytic capacitor has a resistance burn-in board, it is characterized in that, the both sides of the upper surface of described high density epoxy resin board also are fixed with the installation guide pillar in order to fixing aging pressing plate.
- 3. what be applied to as claimed in claim 1 SMD tantalum electrolytic capacitor has a resistance burn-in board, it is characterized in that, described current limiting element is specially resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320481290 CN203351436U (en) | 2013-08-07 | 2013-08-07 | Resistant aging board applied to SMD tantalum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320481290 CN203351436U (en) | 2013-08-07 | 2013-08-07 | Resistant aging board applied to SMD tantalum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351436U true CN203351436U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320481290 Expired - Fee Related CN203351436U (en) | 2013-08-07 | 2013-08-07 | Resistant aging board applied to SMD tantalum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351436U (en) |
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2013
- 2013-08-07 CN CN 201320481290 patent/CN203351436U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20160807 |