CN204947709U - A kind of power supply circuits - Google Patents
A kind of power supply circuits Download PDFInfo
- Publication number
- CN204947709U CN204947709U CN201520594846.2U CN201520594846U CN204947709U CN 204947709 U CN204947709 U CN 204947709U CN 201520594846 U CN201520594846 U CN 201520594846U CN 204947709 U CN204947709 U CN 204947709U
- Authority
- CN
- China
- Prior art keywords
- circuit
- power
- power supply
- diode
- conduction module
- 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.)
- Expired - Fee Related
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses a kind of power supply circuits, with thinking power supply for exchange, described switch, in order to transmitting data information, comprising: one first power circuit, with thinking described power supply for exchange; One second source circuit, the supply power voltage of described second source circuit is higher than the supply power voltage of described first power circuit, and described second source circuit is with thinking described power supply for exchange; One control circuit, connects described first power circuit, described second source circuit and described switch respectively, in order to control described first power circuit or described second source circuit is described power supply for exchange.The utility model can control the first power circuit by control circuit or second source circuit is power supply for exchange, to realize the object without the powering mode of the switching switch of time delay under the prerequisite do not impacted the work of switch.
Description
Technical field
The utility model relates to for electrical domain, particularly relates to a kind of power supply circuits of changeable power supply.
Background technology
Whether current switch mainly adopts the civil power of 220V to power, need the powering mode of personal monitoring's switch normal, when power supply has a power failure, needs artificially switch to be accessed storage battery and normally works to make switch.There is the problem of power supply time delay when switching the powering mode of switch, can not ensure that switch is in the state of normal work in the engineering switching powering mode always.
If allow two-way power supply simultaneously to power supply for exchange, a road power supply wherein likely can be caused to damage because pouring in down a chimney.
Utility model content
For the problems referred to above that existing power supply for exchange pattern exists, now provide a kind of be intended to realize taking over seamlessly switch powering mode and not to the power supply circuits that the work of switch impacts, damage can not be caused to backup battery simultaneously.
Concrete technical scheme is as follows:
A kind of power supply circuits, with thinking power supply for exchange, described switch, in order to transmitting data information, comprising:
One first power circuit, with thinking described power supply for exchange;
One second source circuit, the supply power voltage of described second source circuit is higher than the supply power voltage of described first power circuit, and described second source circuit is with thinking described power supply for exchange;
One control circuit, connects described first power circuit, described second source circuit and described switch respectively, in order to control described first power circuit or described second source circuit is described power supply for exchange.
Preferably, the supply power voltage of described second source circuit is than the supply power voltage height 0.3V to 0.5V of described first power circuit.
Preferably, described first power circuit adopts DC power supply.
Preferably, described second source circuit comprises:
One AC power;
One change-over circuit, connects described AC power, in order to alternating current is converted to direct current and exports.
Preferably, described control circuit comprises one first current input terminal, one second current input terminal and a current output terminal, described first current input terminal connects described first power circuit, described second current input terminal connects described second source circuit, and described current output terminal connects described switch.
Preferably, described control circuit comprises:
One first conduction module, described first current input terminal that the current input terminal of described first conduction module forms described control circuit is connected with described first power circuit, and described first conduction module comprises one first current output terminal.
Preferably, described first conduction module comprises:
One first diode;
One second diode, with described first diodes in parallel, the positive pole of described second diode and the positive pole of described first diode form the described current input terminal of described first conduction module jointly, and the negative pole of described second diode and the negative pole of described first diode form described first current output terminal of described first conduction module jointly.
Preferably, described control circuit also comprises:
One second conduction module, described second current input terminal that the current input terminal of described second conduction module forms described control circuit is connected with described second source circuit, and the second current output terminal of described second conduction module and described first current output terminal of described first conduction module form the described current output terminal of described control circuit jointly.
Preferably, described second conduction module comprises:
One the 3rd diode;
One the 4th diode, with described 3rd diodes in parallel, the positive pole of described 4th diode and the positive pole of described 3rd diode form the described current input terminal of described second conduction module jointly, and the negative pole of described 4th diode and the negative pole of described 3rd diode form described second current output terminal of described second conduction module jointly.
The beneficial effect of technique scheme:
In the technical program, the first power circuit can be controlled or second source circuit is power supply for exchange, to realize the object to power supply without the powering mode of the switching switch of time delay under prerequisite that is harmless and that do not impact the work of switch by control circuit.
Accompanying drawing explanation
Fig. 1 is the module map of a kind of embodiment of power supply circuits described in the utility model;
Fig. 2 is the circuit diagram of a kind of embodiment of power supply circuits described in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
As shown in Figure 1, a kind of power supply circuits, with thinking that switch 4 is powered, switch 4, in order to transmitting data information, comprising:
One first power circuit 1, with thinking that switch 4 is powered;
One second source circuit 2, the supply power voltage of second source circuit 2 is higher than the supply power voltage of the first power circuit 1, and second source circuit 2 is with thinking that switch 4 is powered;
One control circuit 3, connects the first power circuit 1, second source circuit 2 and switch 4 respectively, in order to control the first power circuit 1 or second source circuit 2 is powered for switch 4.
In the present embodiment, the first power circuit 1 can be controlled by control circuit 3 or second source circuit 2 is powered for switch 4, to realize the object without the powering mode of the switching switch 4 of time delay under the prerequisite do not impacted the work of switch 4.
In a preferred embodiment, the supply power voltage of second source circuit 2 is than the supply power voltage height 0.3V to 0.5V of the first power circuit 1.
In the present embodiment, because the supply power voltage of second source circuit 2 is a little more than the supply power voltage of the first power circuit 1, therefore when second source circuit 2 can normally work, control circuit 3 prioritizing selection second source circuit 2 is powered for switch 4, when second source circuit 2 breaks down, switching first power circuit 1 that control circuit 3 can be level and smooth is powered for switch 4, without the need to artificial participation, decrease manpower, and can accomplish that zero propagation is powered.
In a preferred embodiment, the first power circuit 1 can adopt DC power supply.
In the present embodiment, DC power supply can adopt storage battery.
In a preferred embodiment, second source circuit 2 comprises:
One AC power;
One change-over circuit, connects AC power, in order to alternating current is converted to direct current and exports.
In the present embodiment, AC power is the electric main of 220V, by change-over circuit, the alternating current that AC power exports is converted to direct current, thinks that switch 4 is powered.
In a preferred embodiment, control circuit 3 comprises one first current input terminal, one second current input terminal and a current output terminal, first current input terminal connects the first power circuit 1, second current input terminal and connects second source circuit 2, and current output terminal connects switch 4.
In the present embodiment, when the second current input terminal and the first current input terminal exist 0.3V to 0.5V pressure drop, second source circuit 2 is adopted to power for switch 4; When second source circuit 2 breaks down, the first power circuit 1 is adopted to power for switch 4.
As shown in Figure 2, in a preferred embodiment, control circuit 3 comprises:
First current input terminal of the current input terminal formation control circuit 3 of one first conduction module 31, first conduction module 31 is connected with the first power circuit 1, and the first conduction module 31 comprises one first current output terminal.
In the present embodiment, the current input terminal of the first conduction module 31 connects storage battery, and when second source circuit 2 cannot normally work, the electric current of storage battery flows to switch 4 by the first conduction module 31 and powers for switch 4.
In a preferred embodiment, the first conduction module 31 comprises:
One first diode D1;
One second diode D2, in parallel with the first diode D1, the positive pole of the second diode D2 and the positive pole of the first diode D1 form the current input terminal of the first conduction module 31 jointly, and the negative pole of the second diode D2 and the negative pole of the first diode D1 form the first current output terminal of the first conduction module 31 jointly.
In the present embodiment, utilize the unidirectional general character of diode, can prevent when adopting second source circuit 2 to power for switch 4, electric current pours in down a chimney infringement storage battery.
In a preferred embodiment, control circuit 3 also comprises:
One second conduction module 32, second current input terminal of the current input terminal formation control circuit 3 of the second conduction module 32 is connected with second source circuit 2, the current output terminal of the second current output terminal of the second conduction module 32 and the common formation control circuit 3 of the first current output terminal of the first conduction module 31.
In the present embodiment, the current input terminal of the second conduction module 32 connects second source circuit 2, and when second source circuit 2 can normally work, the electric current of second source circuit 2 flows to switch 4 by the second conduction module 32 and powers for switch 4.
In a preferred embodiment, the second conduction module 32 comprises:
One the 3rd diode D3;
One the 4th diode D4, in parallel with the 3rd diode D3, the positive pole of the 4th diode D4 and the positive pole of the 3rd diode D3 form the current input terminal of the second conduction module 32 jointly, and the negative pole of the 4th diode D4 and the negative pole of the 3rd diode D3 form the second current output terminal of the second conduction module 32 jointly.
In the present embodiment, utilize the unidirectional general character of diode, can prevent employing first power circuit 1 for switch 4 power time, electric current pours in down a chimney to second source circuit 2 and damages change-over circuit.
The foregoing is only the utility model preferred embodiment; not thereby execution mode of the present utility model and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilization the utility model specifications and diagramatic content and apparent change obtain in protection range of the present utility model.
Claims (9)
1. power supply circuits, with thinking power supply for exchange, described switch, in order to transmitting data information, is characterized in that, comprising:
One first power circuit, with thinking described power supply for exchange;
One second source circuit, the supply power voltage of described second source circuit is higher than the supply power voltage of described first power circuit, and described second source circuit is with thinking described power supply for exchange;
One control circuit, connects described first power circuit, described second source circuit and described switch respectively, in order to control described first power circuit or described second source circuit is described power supply for exchange.
2. power supply circuits as claimed in claim 1, is characterized in that, the supply power voltage of described second source circuit is than the supply power voltage height 0.3V to 0.5V of described first power circuit.
3. power supply circuits as claimed in claim 1, is characterized in that, described first power circuit adopts DC power supply.
4. power supply circuits as claimed in claim 1, it is characterized in that, described second source circuit comprises:
One AC power;
One change-over circuit, connects described AC power, in order to alternating current is converted to direct current and exports.
5. power supply circuits as claimed in claim 1, it is characterized in that, described control circuit comprises one first current input terminal, one second current input terminal and a current output terminal, described first current input terminal connects described first power circuit, described second current input terminal connects described second source circuit, and described current output terminal connects described switch.
6. power supply circuits as claimed in claim 5, it is characterized in that, described control circuit comprises:
One first conduction module, described first current input terminal that the current input terminal of described first conduction module forms described control circuit is connected with described first power circuit, and described first conduction module comprises one first current output terminal.
7. power supply circuits as claimed in claim 6, it is characterized in that, described first conduction module comprises:
One first diode;
One second diode, with described first diodes in parallel, the positive pole of described second diode and the positive pole of described first diode form the described current input terminal of described first conduction module jointly, and the negative pole of described second diode and the negative pole of described first diode form described first current output terminal of described first conduction module jointly.
8. power supply circuits as claimed in claim 6, it is characterized in that, described control circuit also comprises:
One second conduction module, described second current input terminal that the current input terminal of described second conduction module forms described control circuit is connected with described second source circuit, and the second current output terminal of described second conduction module and described first current output terminal of described first conduction module form the described current output terminal of described control circuit jointly.
9. power supply circuits as claimed in claim 8, it is characterized in that, described second conduction module comprises:
One the 3rd diode;
One the 4th diode, with described 3rd diodes in parallel, the positive pole of described 4th diode and the positive pole of described 3rd diode form the described current input terminal of described second conduction module jointly, and the negative pole of described 4th diode and the negative pole of described 3rd diode form described second current output terminal of described second conduction module jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594846.2U CN204947709U (en) | 2015-08-07 | 2015-08-07 | A kind of power supply circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594846.2U CN204947709U (en) | 2015-08-07 | 2015-08-07 | A kind of power supply circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204947709U true CN204947709U (en) | 2016-01-06 |
Family
ID=55015098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520594846.2U Expired - Fee Related CN204947709U (en) | 2015-08-07 | 2015-08-07 | A kind of power supply circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204947709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065595A (en) * | 2019-04-30 | 2019-07-30 | 合肥优世达科技有限公司 | A kind of unmanned boat and its control system |
| CN111030293A (en) * | 2020-01-02 | 2020-04-17 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Main and standby power supply switching circuit |
-
2015
- 2015-08-07 CN CN201520594846.2U patent/CN204947709U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065595A (en) * | 2019-04-30 | 2019-07-30 | 合肥优世达科技有限公司 | A kind of unmanned boat and its control system |
| CN111030293A (en) * | 2020-01-02 | 2020-04-17 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Main and standby power supply switching circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202712965U (en) | Intelligentization energy-saving system capable of automatic switches between AC (alternating current) power supply and battery | |
| CN105515159A (en) | Solar energy controller power source circuit | |
| CN204947709U (en) | A kind of power supply circuits | |
| CN103713726B (en) | A kind of SCM system with power-saving working mode | |
| CN203327334U (en) | Solar LED street lamp monitoring system supporting dual networking modes | |
| CN204613870U (en) | A kind of circuit breaking protective system | |
| CN201576244U (en) | Noncontact uninterrupted power source for computer | |
| CN204068410U (en) | Urban track traffic light current integrated UPS system | |
| CN202904758U (en) | Power-down data protection device for fiscal cash register | |
| CN202143269U (en) | Remote energy-saving switch circuit device based on bus control | |
| CN104483944A (en) | Remote control system of split diaphragm gas meter in Internet of Things | |
| CN202362285U (en) | Solar gas detector | |
| CN102393447B (en) | Solar energy gas detector | |
| CN202721491U (en) | Intelligent double direct current power supply seamless automatic switching device | |
| CN202798125U (en) | Redundant power supply system of photovoltaic grid-connected inverter control device | |
| CN205791788U (en) | A kind of small-sized ups power | |
| CN202221912U (en) | Mine UPS power supply | |
| CN204205698U (en) | Turret clock solar energy system | |
| CN206272333U (en) | A kind of online adaptive switched power management modules free of discontinuities of DC DC | |
| CN205882833U (en) | Intelligence power | |
| CN205427762U (en) | Computer storage ware continuation of journey power supply circuit | |
| CN204316320U (en) | A kind of relay reducing protective circuit for photovoltaic DC-to-AC converter | |
| CN203788027U (en) | On-line UPS system achieving energy saving by utilization of photovoltaic energy | |
| CN204990442U (en) | A power module for vehicle event data recorder | |
| CN203504178U (en) | Novel energy-saving distribution system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20190807 |