CN104659903A - Automatic switching device for double-acting power supply and control method - Google Patents
Automatic switching device for double-acting power supply and control method Download PDFInfo
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- CN104659903A CN104659903A CN201510067074.1A CN201510067074A CN104659903A CN 104659903 A CN104659903 A CN 104659903A CN 201510067074 A CN201510067074 A CN 201510067074A CN 104659903 A CN104659903 A CN 104659903A
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Abstract
The invention discloses an automatic switching device for a double-acting power supply and a control method, and belongs to the field of automatic seamless switching between dual power supplies of DC power supply and AC power supply. The automatic switching device comprises a storage battery, a switch, a first relay, an inverter and a second relay which are sequentially connected through leads, and further comprises a switching controller used for controlling on/off of the first relay and the second relay, wherein the switching controller is connected with a third relay through an inductor and a capacitor. The automatic switching device further comprises a charger used for charging the storage battery. When outdoor alternating current is unavailable, the storage battery is inverted into alternating current for use, and when alternating current is available, the consumed energy of the storage battery can be supplemented, so that the implementation is simple, the structure is reliable and the movement and the user are convenient.
Description
Technical field
The invention belongs to the seamless automatic switchover field between direct current supply/Alternating Current Power Supply duplicate supply power, be specifically related to a kind of double dynamical power supply automatic converting device and control method.
Background technology
Along with the change of expanding economy and life style, can need in a lot of situation to use by converting storage battery inversion to alternating current without during alternating electromotive force in outdoor, the energy that supplementary storage battery consumes is needed when there being alternating current, for this reason, active demand one can automatically switch, the reliable double dynamical conversion equipment of structure and control method.
Summary of the invention
For the above-mentioned technical problem existed in prior art, the present invention proposes a kind of double dynamical power supply automatic converting device and control method, reasonable in design, overcome the deficiencies in the prior art, realize simple, be convenient to mobile use, there is good effect.
To achieve these goals, the present invention adopts following technical scheme:
A kind of double dynamical power supply automatic converting device, comprise storage battery, switch, the first relay, inverter and the second relay, described storage battery, switch, the first relay, inverter are connected by wire successively with the second relay, also comprise the switch controller for controlling the first relay and the second relay on-off, described switch controller is connected the 3rd relay by inductance with electric capacity, and this device also comprises the charger for charging a battery.
Preferably, described storage battery connects DC-to-DC converter by switch, and described DC-to-DC converter is by wire connection controller, and described controller connects compressor by the 4th relay.
Preferably, described controller also connecting fan.
In addition, the present invention also mentions a kind of control method of double dynamical power supply automatic converting device, and the method adopts the double dynamical power supply automatic converting device of above-mentioned one, comprises the following steps:
Step 1: by using relay assembly, automatically detect power supply type, during without alternating current, automatically switches and enters step 2; When having alternating current, automatically switch and enter step 3;
Step 2: Closing Switch, provides power supply by the normally closed passage of the first relay to inverter, exports 220v alternating current by the normally closed passage of the second relay;
Step 3: when incoming transport electricity, switch controller detects alternating current, and judge whether alternating current is stablized, when alternating current meets startup power reguirements, switch controller controls the first relay and the second relay and is switched to and opens passage, and disconnects the power supply input and output at inverter two ends, and the 3rd relay is by inductance capacitance time delay device simultaneously, deferred action, connects alternating current; When disconnecting alternating current, switch controller controls disconnection the 3rd relay, and the first relay and the second relay are switched to normally closed passage, automatically switches and enters step 2, realize the automatic switchover between direct current and alternating current.
The Advantageous Effects that the present invention brings:
The present invention proposes a kind of double dynamical power supply automatic converting device and control method, compared with prior art, a kind of double dynamical power supply automatic converting device and control method, use by converting storage battery inversion to alternating current without during alternating current in outdoor, the energy that storage battery consumes can be supplemented when there being alternating current, realize simple, structure is reliable, is convenient to mobile use.
Accompanying drawing explanation
Fig. 1 is the hardware elementary diagram of a kind of double dynamical power supply automatic converting device of the present invention.
Fig. 2 is the FB(flow block) that a kind of double-power electric of the present invention is derived from dynamic conversion device control method.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
Embodiment 1:
As shown in Figure 1, a kind of double dynamical power supply automatic converting device, comprises storage battery, switch, the first relay, inverter and the second relay, and described storage battery, switch, the first relay, inverter are connected by wire successively with the second relay.Also comprise the switch controller for controlling the first relay and the second relay on-off, described switch controller is connected the 3rd relay by inductance with electric capacity, and this device also comprises the charger for charging a battery.Described storage battery connects DC-to-DC converter by switch, and described DC-to-DC converter is by wire connection controller, and described controller connects compressor by the 4th relay.Described controller also connecting fan.
Just can realize a kind of double dynamical power supply automatic converting device by the present invention, this device uses by converting storage battery inversion to alternating current without during alternating current in outdoor, can supplement the energy that storage battery consumes when there being alternating current.
Embodiment 2:
On the basis of above-described embodiment, as shown in Figure 1, the present invention also mentions a kind of control method (as shown in Figure 2) of double dynamical power supply automatic converting device, and the method adopts the double dynamical power supply automatic converting device of above-mentioned one, comprises the following steps:
Step 1: by using relay assembly, automatically detect power supply type, during without alternating current, automatically switches and enters step 2; When having alternating current, automatically switch and enter step 3;
Step 2: Closing Switch, provides power supply by the normally closed passage of the first relay to inverter, exports 220v alternating current by the normally closed passage of the second relay;
Step 3: when incoming transport electricity, switch controller detects alternating current, and judge whether alternating current is stablized, when alternating current meets startup power reguirements, switch controller controls the first relay and the second relay and is switched to and opens passage, and disconnects the power supply input and output at inverter two ends, and the 3rd relay is by inductance capacitance time delay device simultaneously, deferred action, connects alternating current; When disconnecting alternating current, switch controller controls disconnection the 3rd relay, and the first relay and the second relay are switched to normally closed passage, automatically switches and enters step 2, realize the automatic switchover between direct current and alternating current.
During use, when having alternating current, switch controller controls the first relay and the second relay and is switched to and opens passage, and the 3rd relay is by inductance capacitance time delay device simultaneously, deferred action, connects alternating current.Whether now charger charges a battery, and storage battery changes into the voltage required for controller by DC-to-DC converter, is powered directly to blower fan by controller, or control to power to load component such as compressor by the 4th relay.With Time Controller detection storage battery electric energy, when electric energy is not enough, meeting automatic alarm, detects alternating current conditions by switch controller to the feedback of controller, and the meeting automatic alarm when alternating current is abnormal, reminding user detects.
When disconnecting alternating current, switch controller controls disconnection the 3rd relay, the first relay and the second relay is switched to normally closed passage, realizes the automatic switchover between direct current and alternating current.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (4)
1. a double dynamical power supply automatic converting device, it is characterized in that: comprise storage battery, switch, the first relay, inverter and the second relay, described storage battery, switch, the first relay, inverter are connected by wire successively with the second relay, also comprise the switch controller for controlling the first relay and the second relay on-off, described switch controller is connected the 3rd relay by inductance with electric capacity, and this device also comprises the charger for charging a battery.
2. the double dynamical power supply automatic converting device of one according to claim 1, it is characterized in that: described storage battery connects DC-to-DC converter by switch, described DC-to-DC converter is by wire connection controller, and described controller connects compressor by the 4th relay.
3. the double dynamical power supply automatic converting device of one according to claim 1, is characterized in that: described controller also connecting fan.
4. a control method for double dynamical power supply automatic converting device, is characterized in that: adopt a kind of double dynamical power supply automatic converting device as claimed in claim 1, comprise the following steps:
Step 1: by using relay assembly, automatically detect power supply type, during without alternating current, automatically switches and enters step 2; When having alternating current, automatically switch and enter step 3;
Step 2: Closing Switch, provides power supply by the normally closed passage of the first relay to inverter, exports 220v alternating current by the normally closed passage of the second relay;
Step 3: when incoming transport electricity, switch controller detects alternating current, and judge whether alternating current is stablized, when alternating current meets startup power reguirements, switch controller controls the first relay and the second relay and is switched to and opens passage, and disconnects the power supply input and output at inverter two ends, and the 3rd relay is by inductance capacitance time delay device simultaneously, deferred action, connects alternating current; When disconnecting alternating current, switch controller controls disconnection the 3rd relay, and the first relay and the second relay are switched to normally closed passage, automatically switches and enters step 2, realize the automatic switchover between direct current and alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067074.1A CN104659903A (en) | 2015-02-09 | 2015-02-09 | Automatic switching device for double-acting power supply and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067074.1A CN104659903A (en) | 2015-02-09 | 2015-02-09 | Automatic switching device for double-acting power supply and control method |
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| CN104659903A true CN104659903A (en) | 2015-05-27 |
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| CN201510067074.1A Pending CN104659903A (en) | 2015-02-09 | 2015-02-09 | Automatic switching device for double-acting power supply and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532910A (en) * | 2016-11-18 | 2017-03-22 | 宁德时代新能源科技股份有限公司 | Switching method, circuit and system |
| CN108279339A (en) * | 2017-01-06 | 2018-07-13 | 深圳市昭恒新能源技术有限公司 | A kind of AC charging box test device |
| CN109450073A (en) * | 2018-12-05 | 2019-03-08 | 云南电网有限责任公司曲靖供电局 | Automatic switching device and communication power supply |
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Application publication date: 20150527 |
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