CN202872665U - Multi-path adjustable AC-DC power supply - Google Patents
Multi-path adjustable AC-DC power supply Download PDFInfo
- Publication number
- CN202872665U CN202872665U CN 201220543123 CN201220543123U CN202872665U CN 202872665 U CN202872665 U CN 202872665U CN 201220543123 CN201220543123 CN 201220543123 CN 201220543123 U CN201220543123 U CN 201220543123U CN 202872665 U CN202872665 U CN 202872665U
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- Prior art keywords
- power supply
- circuit
- adjustable
- utility
- supply regulator
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Abstract
The utility model discloses a multi-path adjustable AC-DC power supply. The multi-path adjustable AC-DC power supply comprises a direct current source, an input circuit, a power supply adjusting circuit group, a control circuit and an output circuit. The direct current source, the input circuit, the power supply adjusting circuit group and the output circuit are sequentially connected. The control circuit is connected with the power supply adjusting circuit group which includes a plurality of power supply adjusting circuits. By adopting the above-mentioned means, the multi-path adjustable AC-DC power supply provided by the utility model can have the working stability enhanced. The multi-path adjustable AC-DC power supply which has a long service lifetime can perform circuit adjustment.
Description
Technical field
The utility model relates to the power-supply system field, particularly relates to the adjustable AC-DC power supply of a kind of multichannel.
Background technology
At present; electronic product is just in develop rapidly; the common volume of AC-DC power module product on the market is larger; traditional power frequency AC-DC power supply input range is limited; need the civil power AC-input voltage is transformed into low alternating voltage; become required direct voltage carrying out rectification, exchange at the AC-DC power supply and inputted; under-voltage protection has very important effect, and it does not work power supply when ac input voltage exceeds power supply permission working range again; with protection power source; prevent because mistake; it is larger that the under-voltage fault that causes, existing AC-DC power supply have a volume, and design is heavy; circuit structure falls behind; the shortcomings such as efficient is low, and anti-shake performance is bad, and is fragile.Demand that can't satisfying the market.
The utility model content
The technical problem that the utility model mainly solves provides the adjustable AC-DC power supply of a kind of multichannel, can improve job stability, and long service life can be carried out the regulation of electrical circuit.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of multichannel adjustable AC-DC power supply, comprise: DC power supply, input circuit, power supply regulator circuit group, control circuit and output circuit, described DC power supply, input circuit, power supply regulator circuit group are connected with output circuit and are connected, described control circuit is connected with the power supply regulator circuit group, and described power supply regulator circuit group comprises a plurality of power supply regulator circuits.
In preferred embodiment of the utility model, described power supply regulator circuit comprises rectification circuit, filter circuit and voltage stabilizing circuit.
In preferred embodiment of the utility model, described control circuit comprises controller and conversion switch.
In preferred embodiment of the utility model, be connected with protective circuit and warning circuit on the described output circuit.
In preferred embodiment of the utility model, described power supply regulator circuit quantity is 2.
The beneficial effects of the utility model are: the utility model multichannel is adjustable, and the AC-DC power supply can improve job stability, and long service life can be carried out the regulation of electrical circuit.
Description of drawings
Fig. 1 is the structural representation of adjustable AC-DC power supply one preferred embodiment of the utility model multichannel;
The mark of each parts is as follows in the accompanying drawing: 1, DC power supply, 2, input circuit, 3, the power supply regulator circuit group, 4, control circuit, 5, output circuit, 6, power supply regulator circuit, 7, protective circuit, 8, warning circuit.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection range of the present utility model is made more explicit defining.
See also Fig. 1, a kind of multichannel is adjustable AC-DC power supply, comprise: DC power supply 1, input circuit 2, power supply regulator circuit group 3, control circuit 4 and output circuit 5, described DC power supply 1, input circuit 2, power supply regulator circuit group 3 are connected with output circuit successively and are connected, described control circuit 4 is connected with power supply regulator circuit group 3, and described power supply regulator circuit group 3 comprises a plurality of power supply regulator circuits 6.
In addition, described power supply regulator circuit 6 comprises rectification circuit, filter circuit and voltage stabilizing circuit.
In addition, described control circuit 4 comprises controller and conversion switch.
In addition, be connected with protective circuit 7 and warning circuit 8 on the described output circuit 5.
In addition, described power supply regulator circuit 6 quantity are 2.
Be different from prior art, the utility model multichannel is adjustable, and the AC-DC power supply can improve job stability, and long service life can be carried out the regulation of electrical circuit.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. adjustable AC-DC power supply of multichannel, it is characterized in that, comprise: DC power supply, input circuit, power supply regulator circuit group, control circuit and output circuit, described DC power supply, input circuit, power supply regulator circuit group are connected with output circuit and are connected, described control circuit is connected with the power supply regulator circuit group, and described power supply regulator circuit group comprises a plurality of power supply regulator circuits.
2. adjustable AC-DC conversion electric power according to claim 1 is characterized in that described power supply regulator circuit comprises rectification circuit, filter circuit and voltage stabilizing circuit.
3. adjustable AC-DC conversion electric power according to claim 1 is characterized in that described control circuit comprises controller and conversion switch.
4. adjustable AC-DC conversion electric power according to claim 1 is characterized in that, is connected with protective circuit and warning circuit on the described output circuit.
5. adjustable AC-DC conversion electric power according to claim 1 is characterized in that, described power supply regulator circuit quantity is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543123 CN202872665U (en) | 2012-10-23 | 2012-10-23 | Multi-path adjustable AC-DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543123 CN202872665U (en) | 2012-10-23 | 2012-10-23 | Multi-path adjustable AC-DC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202872665U true CN202872665U (en) | 2013-04-10 |
Family
ID=48039351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220543123 Expired - Fee Related CN202872665U (en) | 2012-10-23 | 2012-10-23 | Multi-path adjustable AC-DC power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202872665U (en) |
-
2012
- 2012-10-23 CN CN 201220543123 patent/CN202872665U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20131023 |