CN220422121U - Small-sized low-power DCDC power supply module - Google Patents
Small-sized low-power DCDC power supply module Download PDFInfo
- Publication number
- CN220422121U CN220422121U CN202321563801.XU CN202321563801U CN220422121U CN 220422121 U CN220422121 U CN 220422121U CN 202321563801 U CN202321563801 U CN 202321563801U CN 220422121 U CN220422121 U CN 220422121U
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- dcdc
- transformer
- circuit board
- component
- primary
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 title claims abstract description 64
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 241001391944 Commicarpus scandens Species 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000003973 paint Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a small low-power DCDC power module which comprises a DCDC circuit board main body, wherein the DCDC circuit board main body comprises a secondary component welding part. The DCDC circuit board is arranged, so that the internal structure of the DCDC circuit board is improved; the circuit board and the transformer accessories which are easy to be broken down are integrated; the method is characterized in that a circuit board PCB is internally laminated with a transformer coil, and a transformer magnetic core is only required to be buckled on the front side and the back side of the circuit board in the production process; the defect that the coil is easy to break due to vibration is overcome; the link of welding the primary and secondary leads of the transformer is omitted, so that the assembly process of the product is simplified; the production of the product is convenient, the efficiency is improved, the failure rate is reduced, and the noise in the work of the product is also reduced; through the setting of transformer core installation component, detain transformer core to transformer core installation component the positive and negative can, consequently saved the transformer base, reduced the volume of DCDC product, make DCDC miniaturized more.
Description
Technical Field
The utility model relates to the technical field of small low-power DCDC products powered by military machinery equipment, in particular to a small low-power DCDC power supply module.
Background
The DCDC power module is an electronic module for dc power conversion. The DC voltage converter can convert input DC voltage into different output DC voltages, and is generally used for power management, voltage stabilization, power conversion and other applications.
In the current market, most DCDCs use independent transformer elements, which makes the production and installation process complicated. Meanwhile, the transformer occupies a large part of space in the product, so that the product is relatively large in volume. The insulating paint foam wire used for the winding of the transformer is thinner, is easy to break, has low vibration resistance and has high failure rate. In the production process, the paint soaking wire is not in place for paint soaking and drying, the wire package is not wound tightly, and the like, so that the DCDC is easy to generate noise during working. The military products have strict requirements on volume and the size is required to be as small as possible. The quality requirement is high, and the fault rate is reduced as much as possible; therefore, in order to solve the above-mentioned problems, a small-sized low-power DCDC power module has been proposed.
Disclosure of Invention
The utility model mainly solves the technical problems existing in the prior art and improves the internal structure of the DCDC main body; the circuit board and the transformer accessories which are easy to be broken down are integrated; the method is characterized in that a circuit board PCB is internally laminated with a transformer coil, and a transformer magnetic core is only required to be buckled on the front side and the back side of the circuit board in the production process; the defect that the coil is easy to break due to vibration is overcome, so that the quality of a product is improved; the link of welding the primary and secondary leads of the transformer is omitted, so that the assembly process of the product is simplified; the low-power DCDC power supply module has the advantages of facilitating product production, improving efficiency, reducing failure rate, reducing noise in product work and providing a small-sized low-power DCDC power supply module.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the small-sized low-power DCDC power supply module comprises a DCDC circuit board main body, wherein the DCDC circuit board main body comprises a secondary element welding part, a transformer magnetic core installation part and a primary element welding part, the DCDC circuit main board consists of the secondary element welding part, the transformer magnetic core installation part and the primary element welding part, and through the arrangement of the transformer magnetic core installation part, a transformer magnetic core can be connected with the DCDC circuit main board through the transformer magnetic core installation part.
Preferably, the transformer magnetic core installation component sets up in the middle part of DCDC circuit board main part, secondary component ware welding component and primary component ware welding component fixed connection are in the both sides position of transformer magnetic core installation component, set up in the middle part of DCDC circuit board main part through transformer magnetic core installation component for the transformer magnetic core also sets up in the middle part of DCDC circuit board main part.
Preferably, the surface of the secondary element welding component is fixedly connected with a secondary circuit wiring, the surface of the transformer magnetic core installation component is fixedly connected with a transformer coil wiring, the surface of the primary element welding component is fixedly connected with a primary circuit wiring, the magnetic flux of the transformer magnetic core is consistent with the turn number direction of the transformer coil wiring, the secondary element welding component is used for outputting voltage through the secondary circuit wiring, and the primary element welding component is used for inputting voltage through the primary circuit wiring.
Preferably, the secondary circuit wiring, the transformer coil wiring and the primary circuit wiring are all provided with a plurality of, the secondary circuit wiring is distributed on the surface of the secondary element welding component in a linear mode, the transformer coil wiring is distributed on the surface of the transformer magnetic core installation component in a circular outline, the primary circuit wiring is irregularly distributed on the surface of the primary element welding component, a plurality of secondary circuit wiring, transformer coil wiring and primary circuit wiring are all arranged, and a distance is reserved between each distribution.
Preferably, clamping grooves are formed in the upper side and the lower side of the DCDC circuit board main body, fixing holes are formed in the surface of the DCDC circuit board main body in a penetrating mode, a part of the magnetic core of the transformer can be arranged in the clamping grooves through the arrangement of the clamping grooves, and therefore the whole size of the device cannot be enlarged too much.
Preferably, the draw-in groove sets up the upper and lower both sides at transformer magnetic core installation component, a plurality of has been seted up to the fixed orifices, and accessible bolt or other part pass the fixed orifices and fix DCDC circuit board main part on the machine, and the fixed orifices is provided with a plurality of to make can fix DCDC circuit board main part more firm.
Compared with the prior art, the utility model has the following beneficial effects:
1. the DCDC circuit board is arranged, so that the internal structure of the DCDC circuit board is improved; the circuit board and the transformer accessories which are easy to be broken down are integrated; the method is characterized in that a circuit board PCB is internally laminated with a transformer coil, and a transformer magnetic core is only required to be buckled on the front side and the back side of the circuit board in the production process; the defect that the coil is easy to break due to vibration is overcome, so that the quality of a product is improved; the link of welding the primary and secondary leads of the transformer is omitted, so that the assembly process of the product is simplified; the production of the product is convenient, the efficiency is improved, the failure rate is reduced, and the noise in the work of the product is also reduced.
2. According to the utility model, through the arrangement of the transformer magnetic core installation component, the transformer magnetic core is buckled on the front side and the back side of the transformer magnetic core installation component, so that a transformer base is omitted, the volume of a DCDC product is reduced, and the DCDC is miniaturized; because the primary and secondary windings are both made inside the PCB; so that the problems that the paint soaking line is not dipped and dried in place, the wire bag is not wound tightly and the like are also eliminated. Thereby reducing the occurrence probability of howling.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic diagram of the outline structure of the DCDC product of the present utility model.
Fig. 2 is a schematic diagram of a coil arrangement inside a DCDC product PCB of the present utility model.
In the figure: 1. a DCDC circuit board body; 101. a secondary component welding member; 102. a transformer core mounting component; 103. primary component welding parts; 104. a secondary circuit wiring; 105. a transformer coil wiring; 106. primary circuit wiring; 2. a clamping groove; 3. and a fixing hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the small-sized low-power DCDC power module includes a DCDC circuit board main body 1, the DCDC circuit board main body 1 includes a secondary component welding part 101, a transformer core mounting part 102 and a primary component welding part 103, the transformer core mounting part 102 is disposed at the middle part of the DCDC circuit board main body 1, the secondary component welding part 101 and the primary component welding part 103 are fixedly connected at two sides of the transformer core mounting part 102, the transformer and the circuit are made on the same DCDC circuit board main body 1, the number of layers of the circuit board is increased, the transformer coil is replaced by a PCB wire, and the PCB is integrally processed, so that only a magnetic core needs to be externally mounted at the transformer position of the circuit board, in terms of wiring, a primary input circuit of the DCDC is disposed at one side, and a secondary output circuit is disposed at the other side of the coil of the transformer. The transformer plays a certain role in isolating interference in the middle, and the internal structure of the DCDC circuit board main body 1 is improved through the arrangement of the DCDC circuit board main body 1; the circuit board and the transformer accessories which are easy to be broken down are integrated; the transformer coil is laminated in the PCB main body of the circuit board, and the transformer magnetic core is only required to be buckled on the front side and the back side of the circuit board in the production process; the defect that the coil is easy to break due to vibration is overcome, so that the quality of a product is improved; the link of welding the primary and secondary leads of the transformer is omitted, so that the assembly process of the product is simplified; the production of the product is convenient, the efficiency is improved, the failure rate is reduced, and the noise in the work of the product is also reduced.
In one aspect of the embodiment, by arranging the transformer core mounting part 102, the transformer core is fastened to the front and back sides of the transformer core mounting part 102, so that a transformer base is omitted, the volume of a DCDC product is reduced, and the DCDC is miniaturized; because the primary and secondary windings are both made inside the PCB; so that the problems that the paint soaking line is not dipped and dried in place, the wire bag is not wound tightly and the like are also eliminated. Thereby reducing the occurrence probability of howling, the secondary circuit wiring 104 is an output circuit in the DCDC circuit board main body 1, the output of the converter is connected to a load or other circuits, and the purpose of the secondary circuit wiring 104 is to stably transmit the output voltage of the converter to the load terminal so as to satisfy the power supply requirement of the load; the primary circuit wiring 106 circuit board body is an input circuit in the DCDC circuit board body 1, and inputs a direct-current voltage of a power source or a battery into a converter for conversion; the purpose of the primary circuit wiring 106 is to steadily transmit the voltage of the power source or battery to the input of the converter to ensure proper operation of the converter and stability of the output voltage.
In one aspect of this embodiment, the clamping groove 2 enables the transformer core to be arranged in the clamping groove 2 after being buckled on the front side and the back side of the DCDC circuit board main body 1, so that the volume of the transformer core cannot be enlarged too much, the volume of the device is smaller when the device is used, and the DCDC circuit board main body 1 can be fixed on a machine to be used through bolts or other parts through the fixing holes 3.
The working principle of the utility model is as follows: when the small-sized low-power DCDC power supply module is used, the transformer core is buckled on the front side and the back side of the transformer core installation part 102 arranged in the DCDC circuit board main body 1, small holes are formed in the surface of the transformer core installation part 102, the transformer core is buckled conveniently, the transformer core and the DCDC circuit board main body 1 are combined into a whole, the number of turns of the transformer coil wiring 105 is ensured to be consistent with the magnetic flux direction of the core, normal operation of the transformer is achieved, a part of the transformer core is arranged in the clamping groove 2, after the transformer core and the DCDC circuit board main body 1 are combined into a whole, the volume is not enlarged too much, then the DCDC circuit board main body 1 can be fixed in a used machine through the fixing holes 3, the primary circuit wiring 106 on the surface of the primary component welding part 103 inputs the direct voltage of a power supply or a battery into the converter for conversion, and the secondary circuit wiring 104 on the surface of the secondary component welding part 101 connects the output of the converter to a load or other circuits, and all electric equipment in the scheme are powered by an external electric power supply.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. Small-size low-power DCDC power module, including DCDC circuit board main part (1), its characterized in that: the DCDC circuit board main body (1) comprises a secondary component welding part (101), a transformer magnetic core mounting part (102) and a primary component welding part (103);
the transformer magnetic core installation component (102) is arranged in the middle of the DCDC circuit board main body (1), and the secondary component welding component (101) and the primary component welding component (103) are fixedly connected to the two sides of the transformer magnetic core installation component (102);
the surface of the secondary component welding part (101) is fixedly connected with a secondary circuit wiring (104), the surface of the transformer magnetic core installation part (102) is fixedly connected with a transformer coil wiring (105), and the surface of the primary component welding part (103) is fixedly connected with a primary circuit wiring (106).
2. The compact low power DCDC power module of claim 1, wherein: the secondary circuit wiring (104), the transformer coil wiring (105) and the primary circuit wiring (106) are all provided with a plurality of, the secondary circuit wiring (104) is distributed on the surface of the secondary element welding component (101) in a linear mode, the transformer coil wiring (105) is distributed on the surface of the transformer magnetic core mounting component (102) in a circular outline mode, and the primary circuit wiring (106) is irregularly distributed on the surface of the primary element welding component (103).
3. The compact low power DCDC power module of claim 2, wherein: clamping grooves (2) are formed in the upper side and the lower side of the DCDC circuit board main body (1), and fixing holes (3) are formed in the surface of the DCDC circuit board main body (1) in a penetrating mode.
4. A compact low power DCDC power module according to claim 3, wherein: the clamping grooves (2) are formed in the upper side and the lower side of the transformer magnetic core installation component (102), and the fixing holes (3) are formed in a plurality of mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563801.XU CN220422121U (en) | 2023-06-19 | 2023-06-19 | Small-sized low-power DCDC power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563801.XU CN220422121U (en) | 2023-06-19 | 2023-06-19 | Small-sized low-power DCDC power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220422121U true CN220422121U (en) | 2024-01-30 |
Family
ID=89648964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321563801.XU Active CN220422121U (en) | 2023-06-19 | 2023-06-19 | Small-sized low-power DCDC power supply module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220422121U (en) |
-
2023
- 2023-06-19 CN CN202321563801.XU patent/CN220422121U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |