CN202749810U - Novel composite structure of circuit protector - Google Patents
Novel composite structure of circuit protector Download PDFInfo
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- CN202749810U CN202749810U CN 201220367566 CN201220367566U CN202749810U CN 202749810 U CN202749810 U CN 202749810U CN 201220367566 CN201220367566 CN 201220367566 CN 201220367566 U CN201220367566 U CN 201220367566U CN 202749810 U CN202749810 U CN 202749810U
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Abstract
The utility model discloses a novel composite structure of a circuit protector. The novel composite structure comprises a capacitor, a resistor, a first capacitor electrode, a second capacitor electrode, a first resistor electrode, a second resistor electrode, a first pin and a second pin, wherein the first capacitor electrode and the second capacitor electrode are respectively formed on two sides of the capacitor, the first resistor electrode and the second resistor electrode are respectively formed on two sides of the resistor, the capacitor and the resistor are in parallel connection, and two ends of the capacitor and the resistor are respectively educed outward through the first pin and the second pin. Compared with the prior art, the novel composite structure of the circuit protector is simple in structure, and easy to process and manufacture, and has the functions of ensuring circuit safety, and saving materials and processing cost.
Description
Technical field
The utility model relates to the circuit brake field, relates in particular a kind of combining structure of new-type circuit protector.
Background technology
As shown in Figure 1, it is the most used a kind of electronic circuit of tradition, and it comprises fuse F1, metal thin film capacitor C1, varistor RV1 and bridge rectifier group, and this fuse F1 is installed in the primary side of circuit, and plays the overcurrent protection effect; This metal thin film capacitor C1 is X2 safety electric capacity, is used for that EMI is carried out in the L/N cross-over connection of power supply input and suppresses, and play the power filter effect and common mode, differential mode power frequency are disturbed and strobed; This piezo-resistance RV1 plays the overvoltage protection effect; when occurring lightning overvoltage or transient operation overvoltage in the circuit; varistor and protected equipment and components and parts bear simultaneously; but because the piezo-resistance response speed is very fast; it reacted rapidly with the nanosecond time; this moment, the piezo-resistance both end voltage descended rapidly, on protected like this equipment and the components and parts the actual voltage that bears just well below overvoltage, thereby make equipment and components and parts exempt from superpotential impact.
Because being, metal thin film capacitor and varistor radially be with the pin element, so in side circuit plate complete process, circuit board wiring just needs 4 welding holes of cloth, and also need to have more one section circuit Copper Foil wiring, metal thin film capacitor and varistor also need just can finish at twice the plug-in unit action in addition; So not only increase the cost of raw material and manual assembly cost, and in case the inappropriate situation of wiring appears in the Copper Foil that has more, also may also can affect the EMI test of whole circuit.For the problems referred to above, in actual use at present, one of them element can be saved usually in order to save cost in part producer in metal thin film capacitor and varistor, like this so that the security performance of circuit just can't be protected.
In view of this, the inventor furthers investigate for defects of the prior art, then has this case to produce.
The utility model content
The purpose of this utility model is to provide a kind of combining structure of new-type circuit protector; it is guaranteeing under the prerequisite of circuit safety, solved exist in the prior art need welding hole quantity many, need to have more that one section circuit Copper Foil connects up and the problem of the plug-in unit that need make two bites at a cherry.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of combining structure of new-type circuit protector; wherein; comprise electric capacity, resistance, the first capacitance electrode, the second capacitance electrode, the first resistance electrode, the second resistance electrode, the first pin and the second pin; this first capacitance electrode and the second capacitance electrode are respectively formed at the both sides of electric capacity; this first resistance electrode and the second resistance electrode are respectively formed at the both sides of resistance, and this electric capacity and resistance is in parallel, and outwards draw by the first pin and the second pin respectively at the two ends that link to each other also separately.
Further, this first capacitance electrode and the first resistance electrode all directly are electrically connected with the first pin, and this second capacitance electrode and the second resistance electrode all directly are electrically connected with the second pin.
Further, this first resistance electrode and the second resistance electrode and the first pin and the second pin are the shape that is parallel to each other.
Further, this first resistance electrode and the second resistance electrode are all perpendicular to the first pin and the second pin.
Further, this first resistance electrode and the second resistance electrode all are welded on respectively by scolder on the first pin and the second pin.
Further, this first resistance electrode directly is electrically connected by scolder with the first capacitance electrode, and this second resistance electrode directly is electrically connected by scolder with the second capacitance electrode.
Further, this scolder is solder stick or solder(ing) paste.
Further, this electric capacity adopts metal thin film capacitor, and this resistance adopts piezo-resistance.
Further; the combining structure of this new-type circuit protector also comprises and is formed with the epoxy resin protective layer, and this epoxy resin layer is formed on the outside of electric capacity, resistance, the first capacitance electrode, the second capacitance electrode, the first resistance electrode, the second resistance electrode, the first pin and the second pin.
Further, the combining structure of this new-type circuit protector comprises that also shell and embedding are formed on the epoxy resin protective layer between shell and electric capacity, resistance, the first capacitance electrode, the second capacitance electrode, the first resistance electrode, the second resistance electrode, the first pin and the second pin.
After adopting said structure, the combining structure of a kind of new-type circuit protector that the utility model relates to, it only uses the first pin and the second pin and electric capacity and the resistive seal of parallel connection is contained in the single device.So it can also greatly reduce the number of elements of circuit board under the prerequisite that guarantees the circuit complete safety, saves circuit board space, simplifies circuit board wiring, reduces the assembling of components and parts, saves cost, and ensures circuit safety; Compared with prior art, the utility model is simple in structure, and processing and manufacturing is easy, and also has the effect that ensures circuit safety, saves raw material and processing cost.
Description of drawings
Fig. 1 is elementary protective circuit figure commonly used in the prior art;
Fig. 2 is the circuit equivalent figure of the utility model combining structure of relating to a kind of new-type circuit protector;
Fig. 3 is metal thin film capacitor semi-finished product structure cutaway view;
Fig. 4 is the semi-finished product structure schematic diagram of the first embodiment of the present utility model;
Fig. 5 is the finished product structure outline drawing of the first embodiment of the present utility model;
Fig. 6 is the finished product structure cutaway view of the first embodiment of the present utility model;
Fig. 7 is another construction profile of finished product figure of the first embodiment of the present utility model;
Fig. 8 is another structure cutaway view of finished product of the first embodiment of the present utility model;
Fig. 9 is the semi-finished product structure schematic diagram of the second embodiment of the present utility model;
Figure 10 is the semi-finished product structure schematic diagram of the 3rd embodiment of the present utility model.
Among the figure:
Combining structure 100
The second capacitance electrode 12 resistance 2
The first resistance electrode 21 second resistance electrodes 22
The first pin 31 second pins 32
Scolder 4 epoxy resin protective layers 5
Shell 6.
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
Extremely shown in Figure 10 such as Fig. 2; the combining structure 100 of a kind of new-type circuit protector that the utility model relates to; comprise electric capacity 1; resistance 2; the first capacitance electrode 11; the second capacitance electrode 12; the first resistance electrode 21; the second resistance electrode 22; the first pin 31 and the second pin 32; this first capacitance electrode 11 and the second capacitance electrode 12 are respectively formed at the both sides of electric capacity 1; this first resistance electrode 21 and the second resistance electrode 22 are respectively formed at the both sides of resistance 2; this electric capacity 1 is in parallel with resistance 2, and two ends can outwards be drawn by the first pin 31 and the second pin 32 respectively separately.
To shown in Figure 8, it is the first embodiment of the present utility model such as Fig. 2, and this first capacitance electrode 11 and the first resistance electrode 21 all directly are electrically connected with the first pin 31, and this second capacitance electrode 12 and the second resistance electrode 22 all directly are electrically connected with the second pin 32.In the present embodiment, this first resistance electrode 21 and the second resistance electrode 22 and the first pin 31 and the second pin 32 are the shape that is parallel to each other, this electric capacity 1 concrete metal thin film capacitor that adopts, and 2 of this resistance adopt piezo-resistance.
Please refer to shown in Figure 3ly, the first embodiment shown in Figure 4 namely is that piezo-resistance is placed between first pin 31 and the second pin 32 of metal thin film capacitor as can be known, and this piezo-resistance can contact with metal thin film capacitor, also can not contact; This first resistance electrode 21 and the second resistance electrode 22 are added with scolder 4 respectively and between the first pin 31 and the second pin 32, namely fix electrical connection by this scolder 4, this scolder 4 is specifically as follows solder stick or solder(ing) paste, such as can adopt manual welding, Reflow Soldering and wave-soldering all can, thereby metal thin film capacitor and piezo-resistance are welded into an integral body.Need to prove, according to actual needs, the capacity of metal thin film capacitor and the pressure sensitive voltage of piezo-resistance can be arranged in pairs or groups arbitrarily, and also can select the outward appearance of product, can be formed with epoxy resin protective layer 5 such as it, as shown in Figure 5 and Figure 6, this epoxy resin protective layer 5 can mass-impregnation in liquid-state epoxy resin, or with mass-impregnation in powdered epoxy resin and form; Perhaps as shown in Figure 7 and Figure 8; the combining structure 100 of this new-type circuit protector comprises that also shell 6 and embedding are formed on the epoxy resin protective layer 5 between shell 6 and the integral body; this integral body refers to that namely electric capacity 1, resistance 2, the first capacitance electrode 11, the second capacitance electrode 12, the first resistance electrode 21, the second resistance electrode 22, the first pin 31 and the second pin 32 are formed; so can be so that whole combining structure 100 be more firm; and greatly improved electric property; such as having improved insulation resistance, strengthened the explosion-proof performance of product.
Please refer to shown in Figure 9, it is the second embodiment of the present utility model, its structure and outward appearance and the first embodiment are all basic identical, therefore no longer be described in detail, its difference is: corresponding the first resistance electrode 21 of this piezo-resistance and the second resistance electrode 22 are all perpendicular to the first pin 31 and the second pin 32.
Please refer to shown in Figure 10, it is the 3rd embodiment of the present utility model, its structure and outward appearance and the first embodiment and the second embodiment are all basic identical, its difference is, this first resistance electrode 21 directly is electrically connected by scolder 4 with the first capacitance electrode 11, and this second resistance electrode 22 directly is electrically connected by scolder 4 with the second capacitance electrode 12, so, because the bonding area of the first capacitance electrode 11 and the second capacitance electrode 12 is larger, more easily welding; Rear road encapsulation process for the present embodiment is the same with the second embodiment with the first embodiment of the present utility model.
Like this, the utility model only uses the first pin 31 and the second pin 32 and electric capacity 1 and the resistance 2 of parallel connection is encapsulated in the single device.So can greatly reduce the number of elements of circuit board, save circuit board space, simplify circuit board wiring, reduce the assembling of components and parts, save cost, and ensure circuit safety; Particularly, because metal thin film capacitor and varistor can be adopted in the same way in rear road encapsulation process, the utility model can be saved technique one, reduces cost of labor; Compared with prior art, the utility model is simple in structure, and processing and manufacturing is easy, and also has the effect that ensures circuit safety, saves raw material and processing cost.
In addition, need to prove, Fig. 1 is a kind of of numerous classical circuit, and the utility model is not limited to this, also has other circuit also can use simultaneously metal thin film capacitor and varistor, such as industrial cooling fan circuit, air-conditioning fan circuit etc.So just provide widely use occasion for this integrated component; the overvoltage protection effect both was provided; can provide again EMI to suppress to use; also played the power filter effect; and along with the downslide of global economy; it is more and more important that the control of product cost just seems, the economic benefit that this integrated technology brings is also just more and more obvious.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (10)
1. the combining structure of a new-type circuit protector; it is characterized in that; comprise electric capacity, resistance, the first capacitance electrode, the second capacitance electrode, the first resistance electrode, the second resistance electrode, the first pin and the second pin; this first capacitance electrode and the second capacitance electrode are respectively formed at the both sides of electric capacity; this first resistance electrode and the second resistance electrode are respectively formed at the both sides of resistance, and this electric capacity and resistance is in parallel, and outwards draw by the first pin and the second pin respectively at the two ends that link to each other also separately.
2. the combining structure of a kind of new-type circuit protector as claimed in claim 1; it is characterized in that; this first capacitance electrode and the first resistance electrode all directly are electrically connected with the first pin, and this second capacitance electrode and the second resistance electrode all directly are electrically connected with the second pin.
3. the combining structure of a kind of new-type circuit protector as claimed in claim 2 is characterized in that, this first resistance electrode and the second resistance electrode and the first pin and the second pin are the shape that is parallel to each other.
4. the combining structure of a kind of new-type circuit protector as claimed in claim 2 is characterized in that, this first resistance electrode and the second resistance electrode are all perpendicular to the first pin and the second pin.
5. the combining structure of a kind of new-type circuit protector as claimed in claim 2 is characterized in that, this first resistance electrode and the second resistance electrode all are welded on respectively by scolder on the first pin and the second pin.
6. the combining structure of a kind of new-type circuit protector as claimed in claim 1 is characterized in that, this first resistance electrode directly is electrically connected by scolder with the first capacitance electrode, and this second resistance electrode directly is electrically connected by scolder with the second capacitance electrode.
7. such as the combining structure of claim 5 or 6 described a kind of new-type circuit protectors, it is characterized in that, this scolder is solder stick or solder(ing) paste.
8. the combining structure of a kind of new-type circuit protector as claimed in claim 1 is characterized in that, this electric capacity adopts metal thin film capacitor, and this resistance adopts piezo-resistance.
9. the combining structure of a kind of new-type circuit protector as claimed in claim 1; it is characterized in that; the combining structure of this new-type circuit protector also comprises and is formed with the epoxy resin protective layer, and this epoxy resin layer is formed on the outside of electric capacity, resistance, the first capacitance electrode, the second capacitance electrode, the first resistance electrode, the second resistance electrode, the first pin and the second pin.
10. the combining structure of a kind of new-type circuit protector as claimed in claim 1; it is characterized in that, the combining structure of this new-type circuit protector comprises that also shell and embedding are formed on the epoxy resin protective layer between shell and electric capacity, resistance, the first capacitance electrode, the second capacitance electrode, the first resistance electrode, the second resistance electrode, the first pin and the second pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367566 CN202749810U (en) | 2012-07-27 | 2012-07-27 | Novel composite structure of circuit protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367566 CN202749810U (en) | 2012-07-27 | 2012-07-27 | Novel composite structure of circuit protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749810U true CN202749810U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367566 Expired - Lifetime CN202749810U (en) | 2012-07-27 | 2012-07-27 | Novel composite structure of circuit protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252004A (en) * | 2016-07-27 | 2016-12-21 | 广东爱晟电子科技有限公司 | A kind of novel capacitance-resistance compound chip and manufacture method thereof |
| CN106370317A (en) * | 2016-08-30 | 2017-02-01 | 广东爱晟电子科技有限公司 | Composite thermal sensitive chip and temperature sensor prepared thereby |
-
2012
- 2012-07-27 CN CN 201220367566 patent/CN202749810U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252004A (en) * | 2016-07-27 | 2016-12-21 | 广东爱晟电子科技有限公司 | A kind of novel capacitance-resistance compound chip and manufacture method thereof |
| CN106252004B (en) * | 2016-07-27 | 2019-05-14 | 肇庆鼎晟电子科技有限公司 | A kind of novel capacitance-resistance compound chip and its manufacturing method |
| CN106370317A (en) * | 2016-08-30 | 2017-02-01 | 广东爱晟电子科技有限公司 | Composite thermal sensitive chip and temperature sensor prepared thereby |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180511 Address after: 361000 No. 829, two Shandong Road, Xiangan District, Xiamen, Fujian. Patentee after: HOLLYLAND (XIAMEN) CIRCUIT PROTECTION TECHNOLOGY Co.,Ltd. Address before: No. 9-19, fanghu Road, Huli District, Xiamen, Fujian Patentee before: HOLLYLAND (CHINA) ELECTRONICS TECHNOLOGY Corp.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |