CN211531439U - Micropower isolation power module bare board - Google Patents
Micropower isolation power module bare board Download PDFInfo
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- CN211531439U CN211531439U CN202020540547.1U CN202020540547U CN211531439U CN 211531439 U CN211531439 U CN 211531439U CN 202020540547 U CN202020540547 U CN 202020540547U CN 211531439 U CN211531439 U CN 211531439U
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Abstract
The utility model discloses a bare board of micropower isolation power module relates to isolation power module technical field. The base is integrally formed with a base baffle plate, one side of the base baffle plate is provided with an output groove, the same side of the base baffle plate is provided with an input groove, the top of the base is integrally formed with a circuit board positioning column, the circuit board positioning column is inserted with a printed circuit board, and the middle part of the printed circuit board is fixedly connected with an input capacitance element. The utility model discloses a mode is kept apart in the production of using shell or casting glue in the past to the setting of circuit board reference column, transformer spacer on base and the base, even when the defective products appeared in the production process, also be convenient for keep apart power module with micropower and dismantle and maintain, can effectual reduction finished product defective rate to indirect reduction material cost reduces manufacturing cost, has increased the market competition of this product.
Description
Technical Field
The utility model relates to an keep apart power module technical field, specifically be a bare board of micropower isolation power module.
Background
Keep apart power module not only can play short-circuit protection to the circuit, multiple guard action such as overvoltage protection, undervoltage protection and overcurrent protection, keep apart power module moreover and can also play the effect of keeping apart and making an uproar falls in electronic equipment, it adopts linear opto-coupler isolation principle, carries out switching output with input signal, input, output and working power supply three mutual isolation, in the equipment instrument that needs electric isolation, it is indispensable to keep apart power module.
The existing micropower isolation power supply module structure is composed of a PCBA, a transformer, an SIP terminal, a shell and pouring sealant, the micropower isolation power supply module is complex in process, long in production working time, poor in finished product, incapable of maintaining and causing waste, low in production efficiency and high in material cost, and therefore production cost of products is directly influenced.
Disclosure of Invention
An object of the utility model is to provide a micropower isolation power module bare board to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a micropower isolated power module bare board comprises a base, wherein a base baffle is integrally formed on the periphery of the base, an output groove is formed in one side of the base baffle, an input groove is formed in the same side of the base baffle, a circuit board positioning column is integrally formed on the top of the base and is inserted with a printed circuit board, input EMC elements are fixedly connected to the middle of the printed circuit board, circuit board positioning holes are formed in four corners of the printed circuit board, input electronic elements are fixedly connected to the middle of the printed circuit board, output electronic elements are fixedly connected to the middle of the printed circuit board, an input connector is fixedly connected to one side of the printed circuit board, an output connector is fixedly connected to the other side of the same side of the printed circuit board, a transformer positioning plate is integrally formed in the middle of the base, the transformer comprises a transformer, and is characterized in that one side of the transformer is fixedly connected with a transformer input end, the other side of the transformer is fixedly connected with a transformer output end, the transformer input end and one end of the transformer output end are both connected with connecting wires, and the other ends of the connecting wires are respectively connected with a printed circuit board.
Preferably, the transformer locating piece is matched with the size of the transformer, the circuit board locating column is matched with the size of the circuit board locating hole, and the input groove and the output groove are matched with the size of the input connector and the size of the output connector respectively.
Preferably, the input capacitor element, the input electronic element and the output electronic element are connected to the central portion of the printed circuit board using an SMD process.
Preferably, the transformer is wound on the base, and the transformer and the base are welded together in a tin immersion connection mode.
Preferably, the transformer and the base are also fixedly connected with the printed circuit board by adopting an SMD (surface mounted device) process, and the transformer is not in contact with the input EMC (electro magnetic compatibility) component, the input electronic component and the output electronic component.
Preferably, the base baffle, the transformer locating piece and the circuit board locating column are integrated to form a part through injection molding, the part is of a semi-exposed structure, no top cover is arranged, and the part is made of a plastic material with flame retardant property.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the micro-power isolation power module bare board has the advantages that the process complexity of the production of the micro-power isolation power module bare board is reduced by the arrangement of the transformer, the base and the printed circuit board and the combination of an SMD (surface mounted device) production process, so that the production efficiency of the micro-power isolation power module is directly improved, and the production cost can be indirectly reduced.
(2) The utility model provides a naked board of micropower isolation power module, through the setting of circuit board reference column on base and the base, the transformer spacer, avoided using the production isolation mode of shell or casting glue in the past, even when the defective products appeared in the production process, also be convenient for keep apart power module with micropower and dismantle and maintain, can effectual reduction finished product defective rate, thereby indirect reduction material cost, reduce manufacturing cost, the market competitiveness of this micropower isolation power module has been increased.
Drawings
Fig. 1 is a front view of the structure proposed by the present invention;
fig. 2 is a side view of the structure proposed by the present invention;
fig. 3 is a schematic structural diagram of a printed circuit board according to the present invention;
fig. 4 is a schematic diagram of the transformer structure provided by the present invention.
In the figure: the circuit board comprises a base 1, a base baffle 2, a transformer positioning sheet 3, a circuit board positioning column 4, an output groove 5, an input groove 6, a printed circuit board 7, an input capacitance element 8, an input electronic element 9, an output electronic element 10, an input connector 11, an output connector 12, a circuit board positioning hole 13, a transformer 14, a transformer input end 15, a transformer output end 16 and a connecting wire 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a technical solution: a micropower isolated power module bare board comprises a base 1, wherein a base baffle plate 2 is integrally formed on the periphery of the base 1, an output groove 5 is formed on one side of the base baffle plate 2, an input groove 6 is formed on the same side of the base baffle plate 2, a circuit board positioning column 4 is integrally formed on the top of the base 1, a printed circuit board 7 is inserted in the circuit board positioning column 4, an input capacitance element 8 is fixedly connected to the middle of the printed circuit board 7, circuit board positioning holes 13 are formed in four corners of the printed circuit board 7, an input electronic element 9 is fixedly connected to the middle of the printed circuit board 7, an output electronic element 10 is fixedly connected to the middle of the printed circuit board 7, an input connector 11 is fixedly connected to one side of the printed circuit board 7, an output connector 12 is fixedly connected to the other side of the printed circuit board 7, and the central part of the transformer locating plate 3 is movably connected with a transformer 14, one side of the transformer 14 is fixedly connected with a transformer input end 15, the other side of the transformer 14 is fixedly connected with a transformer output end 16, one ends of the transformer input end 15 and the transformer output end 16 are both connected with a connecting wire 17, and the other ends of the connecting wires 17 are respectively connected with the printed circuit board 7.
As shown in fig. 1 and 2, the transformer positioning plate 3 is adapted to the size of the transformer 14, the circuit board positioning post 4 is adapted to the size of the circuit board positioning hole 13, and the input slot 6 and the output slot 5 are respectively adapted to the sizes of the input connector 11 and the output connector 12.
As shown in fig. 1 and 3, the input capacitor element 8, the input electronic element 9 and the output electronic element 10 are connected to the middle of the printed circuit board 7 by using SMD process, where SMD is called Surface Mounted Devices in english and its chinese language is translated into Surface mount Devices.
As shown in fig. 1, 2 and 4, the transformer 14 is wound on the base 1, and the transformer 14 and the base 1 are soldered together by means of an immersion tin connection.
As shown in fig. 1 and 3, the transformer 14 and the base 1 are also fixedly connected to the printed circuit board 7 by an SMD process, and the transformer 14 is not in contact with the input EMC component 8, the input electronic component 9 and the output electronic component 10.
As shown in fig. 1 and 2, the base 1, the base baffle 2, the transformer positioning plate 3 and the circuit board positioning column 4 are integrated into one injection molding component, and are of a semi-exposed structure without a top cover, and are made of a plastic material with flame retardant property.
The working principle is as follows: firstly, a transformer 14 is fixedly connected on a transformer positioning sheet 3 on a base 1, an input capacitor element 8, an input electronic element 9, an output electronic element 10, an output connector 12 and an input connector 11 are further fixed on a printed circuit board 7 in a surface mount or welding mode, a circuit board positioning hole 13 on the printed circuit board 7 is further aligned with a circuit board positioning column 4 for mutual insertion and fixation, and finally, an SMD (surface mounted device) production process is adopted to fixedly connect all components.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bare board of micropower isolation power module, includes base (1), its characterized in that: the device comprises a base (1), a base baffle (2) and a printed circuit board (7), wherein the periphery of the base (1) is integrally formed with the base baffle (2), one side of the base baffle (2) is provided with an output groove (5), the same side of the base baffle (2) is provided with an input groove (6), the top of the base (1) is integrally formed with a circuit board positioning column (4), the circuit board positioning column (4) is inserted with the printed circuit board (7), the middle of the printed circuit board (7) is fixedly connected with an input capacitance element (8), the four corners of the printed circuit board (7) are provided with circuit board positioning holes (13), the middle of the printed circuit board (7) is fixedly connected with an input electronic element (9), the middle of the printed circuit board (7) is fixedly connected with an output electronic element (10), one side of the printed circuit board, base (1) middle part integrated into one piece has transformer spacer (3), and transformer spacer (3) central point swing joint has transformer (14), transformer (14) one side fixedly connected with transformer input (15), and transformer (14) opposite side fixedly connected with transformer output (16), transformer input (15) and transformer output (16) one end all are connected with connecting wire (17), and the connecting wire (17) other end is connected with printed circuit board (7) respectively.
2. The bare board of claim 1, wherein: the transformer locating piece (3) and the size of transformer (14) are adapted, the circuit board locating column (4) and the size of circuit board locating hole (13) are adapted, and the input groove (6) and the output groove (5) are respectively adapted to the size of the input connector (11) and the size of the output connector (12).
3. The bare board of claim 1, wherein: the input capacitor element (8), the input electronic element (9) and the output electronic element (10) are connected to the middle of the printed circuit board (7) by an SMD (surface mounted device) process.
4. The bare board of claim 1, wherein: the transformer (14) is connected with the base (1) by adopting a tin immersion process.
5. The bare board of claim 1, wherein: the transformer (14) and the base (1) are fixedly connected with the printed circuit board (7) by adopting an SMD (surface mounted device) process, and the transformer (14) is not contacted with the input capacitance element (8), the input electronic element (9) and the output electronic element (10) mutually.
6. The bare board of claim 1, wherein: the base (1) and the base baffle (2), the transformer positioning sheet (3) and the circuit board positioning column (4) are integrated to form an injection molding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540547.1U CN211531439U (en) | 2020-04-14 | 2020-04-14 | Micropower isolation power module bare board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540547.1U CN211531439U (en) | 2020-04-14 | 2020-04-14 | Micropower isolation power module bare board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211531439U true CN211531439U (en) | 2020-09-18 |
Family
ID=72460897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020540547.1U Active CN211531439U (en) | 2020-04-14 | 2020-04-14 | Micropower isolation power module bare board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211531439U (en) |
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2020
- 2020-04-14 CN CN202020540547.1U patent/CN211531439U/en active Active
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