CN210444184U - Direct current power supply device with multiple outputs - Google Patents
Direct current power supply device with multiple outputs Download PDFInfo
- Publication number
- CN210444184U CN210444184U CN201920950103.2U CN201920950103U CN210444184U CN 210444184 U CN210444184 U CN 210444184U CN 201920950103 U CN201920950103 U CN 201920950103U CN 210444184 U CN210444184 U CN 210444184U
- Authority
- CN
- China
- Prior art keywords
- diode
- capacitor
- module
- voltage stabilizing
- anode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a multiplexed output's DC power supply device, it includes: a printed circuit board, further comprising on the printed circuit board: the alternating current transformer module is used for receiving a first alternating current and transforming the first alternating current into a second alternating current; the rectification module is electrically connected with the alternating current voltage module and is used for rectifying the second alternating current to output a first direct current; the filtering module is electrically connected with the rectifying module and is used for filtering the first direct current to remove clutter signals; the voltage stabilizing circuit modules are respectively connected with the filtering module and are used for respectively outputting different direct currents; the multiple output terminals are electrically connected to the multiple voltage stabilizing circuit modules and the filtering module.
Description
Technical Field
The utility model relates to a switching power supply technical field especially relates to a DC power supply device of multiplexed output.
Background
Switching power supplies are power supplies developed using modern power electronics technology. The increasing progress of the current technology enables the switching power supply to be well developed in the fields of industrial production and household appliances. The output of the switch power supply on the market is mostly one-way output or two-way output. If a plurality of different voltage outputs are needed, the switching power supply on the market is generally spliced in a manner, so that the power supply effect of the required multi-output voltage is achieved.
However, for a device requiring multiple different voltage outputs, the switching power supply on the market is spliced, so that the defects of high cost, large occupied space and the like exist.
In view of the above, it is desirable to provide a multi-output power supply apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multiplexed output's power supply unit. The device can design a plurality of direct current power supplies on a switching power supply to avoid switching power supply's concatenation or add power module on equipment control panel, in order to reach function module's purpose.
According to an aspect of the utility model provides a multiplexed output's DC power supply device, it includes: a printed circuit board, further comprising on the printed circuit board: the alternating current transformer module is used for receiving a first alternating current and transforming the first alternating current into a second alternating current; the rectification module is electrically connected with the alternating current voltage module and is used for rectifying the second alternating current to output a first direct current; the filtering module is electrically connected with the rectifying module and is used for filtering the first direct current to remove clutter signals; the voltage stabilizing circuit modules are respectively connected with the filtering module and are used for respectively outputting different direct currents; the multiple output terminals are electrically connected to the multiple voltage stabilizing circuit modules and the filtering module.
In an embodiment of the present invention, the ac voltage transforming module includes an ac transformer, and the ac transformer is used for receiving a first ac voltage of 220 v and transforming the first ac voltage into a second ac voltage of 25.5 v.
In an embodiment of the present invention, the rectifying module includes a first diode, a second diode, a third diode and a fourth diode; the cathode of the first diode is connected with the cathode of the second diode, the anode of the third diode is connected with the anode of the fourth diode, the anode of the first diode is connected with the cathode of the fourth diode, and the anode of the second diode is connected with the cathode of the third diode; and the connection point of the first diode and the fourth diode and the connection point of the second diode and the third diode are respectively connected to the output end of an alternating current transformer of the alternating current transformation module.
In an embodiment of the present invention, the filtering module includes a first inductor, a first capacitor, and a fifth diode; one end of the first inductor and the cathode of the fifth diode are connected to the connection point of the first diode and the second diode in the rectifying module; the other end of the first inductor is connected to the anode of the first capacitor; and the cathode of the first capacitor and the anode of the fifth diode are connected with the connection point of the third diode and the fourth diode.
In an embodiment of the present invention, the plurality of voltage stabilizing circuit modules include a first voltage stabilizing circuit module, a second voltage stabilizing circuit module and a third voltage stabilizing circuit module; the filtering module is respectively connected to the first voltage stabilizing circuit module and the second voltage stabilizing circuit module; the third voltage stabilizing circuit module is connected to the second voltage stabilizing circuit module.
In an embodiment of the present invention, the first voltage stabilizing circuit module includes: the first voltage stabilizing chip, the sixth diode, the second inductor, the second capacitor and the third capacitor are connected in series; the input end of the first voltage stabilizing chip is electrically connected to the output end of the filtering module; the output end of the first voltage stabilizing chip is respectively connected to one end of the second inductor and the cathode of the fifth diode, and the other end of the second inductor is respectively electrically connected to the anode of the second capacitor and one end of the third capacitor; and the anode of the fifth diode is electrically connected to the other end of the third capacitor, the cathode of the second capacitor and the ground pin end of the first voltage stabilizing chip respectively.
In an embodiment of the present invention, the second voltage stabilizing circuit module includes: the second voltage stabilizing chip, the seventh diode, the third inductor, the fourth capacitor and the fifth capacitor; the input end of the second voltage stabilizing chip is electrically connected to the output end of the filtering module; the output end of the second voltage stabilizing chip is respectively connected to one end of the third inductor and the cathode of the seventh diode, and the other end of the third inductor is respectively electrically connected to the anode of the fourth capacitor and one end of the fifth capacitor; and the anode of the seventh diode is electrically connected to the other end of the fifth capacitor, the cathode of the third capacitor and the ground pin terminal of the second voltage stabilizing chip respectively.
In an embodiment of the present invention, the third voltage stabilizing circuit module includes: the third voltage stabilizing chip, the sixth capacitor, the seventh capacitor, the eighth capacitor and the ninth capacitor; an anode of the sixth capacitor and one end of the eighth capacitor are electrically connected to an input end of the third voltage stabilizing chip; the cathode of the sixth capacitor and the other end of the eighth capacitor are grounded; an anode of the seventh capacitor and one end of the eighth capacitor are both electrically connected to an output end of the third voltage stabilizing chip, and a cathode of the seventh capacitor and the other end of the eighth capacitor are grounded.
The utility model has the advantages of, multiplexed output's power supply unit can design a plurality of DC power supply on a switching power supply to avoid switching power supply's concatenation or add power module on the equipment control panel, solve the phenomenon that switching power supply voltage output is not enough, and occupy on the power space that significantly reduces.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a block diagram schematically illustrating a multi-output power supply device according to an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of the power supply apparatus with multiple outputs according to the embodiment of the present invention.
Detailed Description
The technical solution in 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. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
In this patent document, the drawings discussed below and the various embodiments used to describe the principles of the present disclosure are by way of illustration only and should not be construed in a limiting sense. Those skilled in the art will understand that the principles of the present invention may be implemented in any suitably arranged system. Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. Further, a terminal according to an exemplary embodiment will be described in detail with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements.
The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the inventive concepts. Unless the context clearly dictates otherwise, expressions used in the singular form encompass expressions in the plural form. In the present specification, it is to be understood that terms such as "comprising," "having," and "containing" are intended to specify the presence of the features, integers, steps, acts, or combinations thereof disclosed in the specification, and are not intended to preclude the presence or addition of one or more other features, integers, steps, acts, or combinations thereof. Like reference symbols in the various drawings indicate like elements.
The embodiment of the utility model provides a multiplexed output's power supply unit. The details will be described below separately.
Referring to fig. 1 and 2, the present invention provides a dc power supply device with multiple outputs, which includes: a printed circuit board 101. Further comprising on the printed circuit board 101: an input terminal 105, an ac transformer module 110, a rectifier module 120, a filter module 130, a plurality of voltage regulator circuit modules 140, and a multi-output terminal 150.
The input terminal 105 is used for providing a first alternating current, for example, in the present embodiment, the first alternating current is 220 v. Of course, in other embodiments, the present invention is not limited thereto.
The ac transformer module 110 is configured to receive the first ac power provided by the input terminal 105 and transform the first ac power into a second ac power. In an embodiment of the present invention, the ac transforming module 110 includes an ac transformer, and the ac transformer is used for receiving a first ac power of 220 v and transforming the first ac power into a second ac power of 25.5 v.
The rectifying module 120 is electrically connected to the ac voltage module and is configured to rectify the second ac power to output a first dc power. In the present embodiment, the rectifying module 120 includes a first diode D1, a second diode D2, a third diode D3, and a fourth diode D4; wherein, the cathode of the first diode D1 is connected with the cathode of the second diode D2, the anode of the third diode D3 is connected with the anode of the fourth diode D4, the anode of the first diode D1 is connected with the cathode of the fourth diode D4, and the anode of the second diode D2 is connected with the cathode of the third diode D3; a connection point of the first diode D1 and the fourth diode D4 and a connection point of the second diode D2 and the third diode D3 are connected to an output terminal of an ac transformer T1 of the ac transformation module 110, respectively.
The filtering module 130 is electrically connected to the rectifying module 120, and is configured to filter the first direct current to remove the noise signal. In the present embodiment, the filtering module 130 includes a first inductor L1, a first capacitor C1, and a fifth diode D5. One end of the first inductor L1 and the cathode of the fifth diode D5 are connected to a connection point of a first diode D1 and a second diode D2 in the rectification module 120; the other end of the first inductor L1 is connected to the anode of the first capacitor C1; the cathode of the first capacitor C1 and the anode of the fifth diode D5 are connected to the connection point of the third diode D3 and the fourth diode D4.
The voltage stabilizing circuit modules 140 are respectively connected to the filter module 130, and are configured to respectively output different direct currents. Specifically, in the present embodiment, the plurality of voltage regulator circuit modules 140 includes a first voltage regulator circuit module 141, a second voltage regulator circuit module 142, and a third voltage regulator circuit module 143; the filter module 130 is connected to the first and second voltage regulator circuit modules 141 and 142, respectively; the third voltage regulator circuit module 143 is connected to the second voltage regulator circuit module 142.
Further, the first voltage regulator circuit module 141 includes: the circuit comprises a first voltage stabilizing chip U1, a sixth diode D6, a second inductor L2, a second capacitor C2 and a third capacitor C3; the input end of the first voltage stabilization chip U1 is electrically connected to the output end of the filtering module 130; the output end of the first voltage regulation chip U1 is respectively connected to one end of the second inductor L2 and the cathode of the sixth diode D2, and the other end of the second inductor L2 is respectively electrically connected to the anode of the second capacitor C2 and one end of a third capacitor C3; an anode of the sixth diode D6 is electrically connected to the other end of the third capacitor C3, a cathode of the second capacitor C2, and a ground pin terminal of the first regulator chip U1, respectively. In addition, one end of the third capacitor C3 and the anode of the second capacitor C2 are connected to the feedback pin of the first voltage regulation chip U1.
The second voltage regulator circuit module 142 includes: a second voltage regulation chip U2, a seventh diode D7, a third inductor L3, a fourth capacitor C4, and a fifth capacitor C5; the input end of the second voltage stabilization chip U2 is electrically connected to the output end of the filtering module 130; an output terminal of the second voltage regulation chip U2 is respectively connected to one terminal of the third inductor L3 and a cathode of the seventh diode D7, and the other terminal of the third inductor L3 is respectively electrically connected to an anode of the fourth capacitor C4 and one terminal of a fifth capacitor C5; an anode of the seventh diode D7 is electrically connected to the other end of the fifth capacitor C5, a cathode of the third capacitor C3, and a ground pin terminal of the second regulator chip U2, respectively. In addition, one end of the fifth capacitor C5 and the anode of the fourth capacitor C4 are connected to the feedback pin of the second voltage regulation chip U2.
The third voltage regulator circuit module 143 includes: a third voltage regulation chip U3, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8 and a ninth capacitor C9; an anode of the sixth capacitor C6 and one end of the eighth capacitor C8 are both electrically connected to an input terminal of the third regulator chip U3; the cathode of the sixth capacitor C6 and the other end of the eighth capacitor C8 are grounded; an anode of the seventh capacitor C7 and one end of the eighth capacitor C8 are both electrically connected to an output terminal of the third regulator chip U3, and a cathode of the seventh capacitor C7 and the other end of the eighth capacitor C8 are grounded.
In this embodiment, the first voltage regulation chip U1, the second voltage regulation chip U2, and the third voltage regulation chip U3 adopt a buck power management chip. The first voltage stabilizing chip U1 may be an LM2596-12V chip, the second voltage stabilizing chip U2 may be an LM2596-5V chip, and the third voltage stabilizing chip U3 may be an AMS1117-3.3V chip. That is, the first regulator circuit module 141 outputs 12V DC, the second regulator circuit module 142 outputs 5V DC, and the third regulator circuit module 143 outputs 3.3V DC.
The multiplexing terminal 150 is electrically connected to the plurality of voltage stabilizing circuit modules 140 and the filter module 130. The multi-output terminal 150 is a 4-channel 8-terminal multi-output terminal. A first terminal of the multi-path output terminal is electrically connected to the output terminal of the filtering module 130, i.e., to the anode of the first capacitor C1 of the filtering module 130. A second terminal of the multiplexed output terminal 150 is electrically connected to an output terminal of the first voltage regulator circuit module 141, i.e., to an anode of a second capacitor C2 in the first voltage regulator circuit module 141. The third terminal of the multiplexed output terminal 150 is electrically connected to the output terminal of the second voltage regulator circuit module 142, i.e., to the anode of the fourth capacitor C4 in the second voltage regulator circuit module 142. The fourth terminal of the multi-path output terminal 150 is electrically connected to the output terminal of the third voltage regulator circuit module 143, i.e., to the anode of the seventh capacitor C7 in the third voltage regulator circuit module 143.
Therefore, according to the utility model discloses an above-mentioned design, multiplexed output terminal 150 can provide 24V direct current (directly acquire from the output of filtering module 130), 12V direct current, 5V direct current, 3.3V direct current, four ways output promptly to avoid switching power supply's concatenation or add power module on the equipment control panel, solve the phenomenon that switching power supply voltage output is not enough, and occupy on the significantly reduced power space.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A multiplexed output dc power supply device, comprising: a printed circuit board, further comprising on the printed circuit board: the alternating current transformer module is used for receiving a first alternating current and transforming the first alternating current into a second alternating current; the rectification module is electrically connected with the alternating current transformation module and is used for rectifying the second alternating current to output a first direct current; the filtering module is electrically connected with the rectifying module and is used for filtering the first direct current to remove clutter signals; the voltage stabilizing circuit modules are respectively connected with the filtering module and are used for respectively outputting different direct currents; the multiple output terminals are electrically connected to the multiple voltage stabilizing circuit modules and the filtering module.
2. The dc power supply apparatus of claim 1, wherein the ac transformer module comprises an ac transformer for receiving a first ac power of 220 v and transforming the first ac power into a second ac power of 25.5 v.
3. The direct-current power supply apparatus according to claim 1, wherein the rectification block includes a first diode, a second diode, a third diode, and a fourth diode; the cathode of the first diode is connected with the cathode of the second diode, the anode of the third diode is connected with the anode of the fourth diode, the anode of the first diode is connected with the cathode of the fourth diode, and the anode of the second diode is connected with the cathode of the third diode; and the connection point of the first diode and the fourth diode and the connection point of the second diode and the third diode are respectively connected to the output end of an alternating current transformer of the alternating current transformation module.
4. The dc power supply device of claim 1, wherein the filter module comprises a first inductor, a first capacitor, and a fifth diode; one end of the first inductor and the cathode of the fifth diode are connected to the connection point of the first diode and the second diode in the rectifying module; the other end of the first inductor is connected to the anode of the first capacitor; and the cathode of the first capacitor and the anode of the fifth diode are connected with a connection point of the third diode of the rectifying module and the fourth diode of the rectifying module.
5. The dc power supply apparatus of claim 1, wherein the plurality of regulator circuit modules includes a first regulator circuit module, a second regulator circuit module, and a third regulator circuit module; the filtering module is respectively connected to the first voltage stabilizing circuit module and the second voltage stabilizing circuit module; the third voltage stabilizing circuit module is connected to the second voltage stabilizing circuit module.
6. The DC power supply apparatus of claim 5, wherein the first voltage regulator circuit module comprises: the first voltage stabilizing chip, the sixth diode, the second inductor, the second capacitor and the third capacitor are connected in series; the input end of the first voltage stabilizing chip is electrically connected to the output end of the filtering module; the output end of the first voltage stabilizing chip is respectively connected to one end of the second inductor and the cathode of the sixth diode, and the other end of the second inductor is respectively electrically connected to the anode of the second capacitor and one end of the third capacitor; and the anode of the sixth diode is electrically connected to the other end of the third capacitor, the cathode of the second capacitor and the ground pin end of the first voltage stabilizing chip respectively.
7. The DC power supply apparatus of claim 5, wherein the second voltage regulator circuit module comprises: the second voltage stabilizing chip, the seventh diode, the third inductor, the fourth capacitor and the fifth capacitor; the input end of the second voltage stabilizing chip is electrically connected to the output end of the filtering module; the output end of the second voltage stabilizing chip is respectively connected to one end of the third inductor and the cathode of the seventh diode, and the other end of the third inductor is respectively electrically connected to the anode of the fourth capacitor and one end of the fifth capacitor; and the anode of the seventh diode is respectively and electrically connected to the other end of the fifth capacitor, the cathode of the third capacitor of the first voltage stabilizing circuit module and the grounding pin end of the second voltage stabilizing chip.
8. The DC power supply apparatus of claim 5, wherein the third voltage regulator circuit module comprises: the third voltage stabilizing chip, the sixth capacitor, the seventh capacitor, the eighth capacitor and the ninth capacitor; an anode of the sixth capacitor and one end of the eighth capacitor are electrically connected to an input end of the third voltage stabilizing chip; the cathode of the sixth capacitor and the other end of the eighth capacitor are grounded; an anode of the seventh capacitor and one end of the eighth capacitor are both electrically connected to an output end of the third voltage stabilizing chip, and a cathode of the seventh capacitor and the other end of the eighth capacitor are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950103.2U CN210444184U (en) | 2019-06-24 | 2019-06-24 | Direct current power supply device with multiple outputs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950103.2U CN210444184U (en) | 2019-06-24 | 2019-06-24 | Direct current power supply device with multiple outputs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210444184U true CN210444184U (en) | 2020-05-01 |
Family
ID=70403962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950103.2U Active CN210444184U (en) | 2019-06-24 | 2019-06-24 | Direct current power supply device with multiple outputs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210444184U (en) |
-
2019
- 2019-06-24 CN CN201920950103.2U patent/CN210444184U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6594165B2 (en) | Circuit for converting AC voltage into DC voltage | |
| US20130200715A1 (en) | Converter assembly and a power plant including the converter assembly | |
| CN102044961A (en) | Circuit for eliminating noise of switching power supply | |
| CN109039028A (en) | Control circuit and power supply adaptor applied to power supply adaptor | |
| CN102624427A (en) | Synchronous transmission system of energy and information | |
| KR20080110376A (en) | Multi output adapter | |
| CN210444184U (en) | Direct current power supply device with multiple outputs | |
| EP2963997B1 (en) | Integrated light-emitting diode driver circuit and method of operating the same | |
| CN203813534U (en) | High-voltage capacitance electricity-taking device | |
| CN201733238U (en) | Auxiliary power system | |
| CN107332435B (en) | Power supply circuit of pulse width modulation chip and switching power supply | |
| CN106059302A (en) | Switching power supply feedback circuit | |
| CN212627692U (en) | Multi-output isolation non-stabilized voltage power supply circuit based on isolation transformer | |
| CN216564925U (en) | Multi-output power supply | |
| CN204925192U (en) | Removable system of electric energy meter communication module | |
| CN209488871U (en) | Led driving circuit with voltage regulation function | |
| US11852368B2 (en) | Air conditioner electric control assembly and air conditioner | |
| CN102346527A (en) | Computer system | |
| US6653822B2 (en) | Circuit for converting AC voltage into DC voltage | |
| US20020154523A1 (en) | Circuit for converting AC voltage into DC voltage | |
| CN215378777U (en) | Switching power supply circuit and switching power supply system using same | |
| KR20060130474A (en) | Power supply device | |
| CN213693470U (en) | Device suitable for low-power DC/DC voltage grade conversion | |
| CN204993097U (en) | Turn over and swash formula alternately load regulation switching power supply and TV | |
| CN214045451U (en) | Low-cost isolated power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220628 Address after: 215311 station 041, room 1, No. 828, Xueyuan Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province (cluster registration) Patentee after: Suzhou xinwanghai Precision Technology Co.,Ltd. Address before: 215300 No. 179, Zhangji Road, Suzhou Development Zone, Jiangsu Province Patentee before: KUNSHAN HISENSE ELECTRONIC CO.,LTD. |