TWM545396U - Power automatic switch controller - Google Patents

Description

Power automatic switching controller

The invention relates to a power automatic switching controller, in particular to an automatic power switching controller for connecting multiple power sources without modifying the device specifications on the basis of the existing equipment.

Most of the existing power supply technologies for information equipment or communication equipment use a single power supply or a redundant power supply. However, the risk of a single power supply is that if the power supply is interrupted, the service of the information or communication equipment will be terminated or the equipment will be damaged. If a redundant power supply can be used to cope with the interruption of a single power supply, the overall equipment cost will also increase, and needs to be improved.

The present invention discloses a power automatic switching controller for coupling a plurality of AC power sources to generate an AC output. The power automatic switching controller includes: a body, the body includes: a first power contact and a first a first power switch, a first input end, a second input end, and a first output end; the first input end is coupled to the first power contact, the second input end is coupled Connected to the second power contact; a second switch has a third input, a fourth input, and a second output; the third input is coupled to the first power contact, the first The fourth input end is coupled to the second power contact; and a switch control circuit coupled to the first switch and the second switch, and performing automatic control of the first switch and the second switch Switching an AC power source provided in the plurality of AC power sources; a plurality of input plugs are coupled to the first power contact and the second power contact; an output connector coupled to the first output and the second output is an AC output; And a test button is disposed on the body for forcibly testing whether each of the plurality of AC power sources can be powered normally.

The body includes a driving circuit provided with an indicating component coupled to the first input end and the fourth input end.

The main body includes: a plurality of input indicating components, a driving circuit coupled to the indicating component, configured to display a power source provided by the AC power source of the plurality of AC power sources; and an output indicating component, A driving circuit coupled to the indicating component is configured to display an alternating current output.

The plurality of input plugs include an IEC C14 plug, a NEMA 5-15 plug or an IEC C20 plug.

The output connector includes an IEC C13 connector, an IEC C15 connector, or an IEC C19 connector.

The switch control circuit is coupled to the first input end, the second input end, the third input end, and the fourth input end, and outputs a first switching control signal for controlling the first switch. And outputting a second switching control signal for controlling the second switching switch.

The first switching control signal is applied to the first switching switch, and the second switching control signal is applied to the second switching switch. When an AC power supply of the plurality of AC power sources stops supplying power, the switching is performed. The other AC power source of the plurality of AC power sources is powered.

The first power contact includes a first power a contact and a first power b contact; the second power contact includes a second power a contact and a second power b contact.

The first input end is coupled to the first power source a contact, and the second input end is coupled to the first power switch and the second power contact. The second power source a is a contact.

The connection between the second switch and the first power contact and the second power contact is coupled to the first power b contact, and the fourth input is coupled to the second input The second power source b is connected.

In addition to avoiding the risk of service termination caused by a single power supply in the event of power interruption, the utility model does not require the waste of cost caused by using a redundant power supply.

10‧‧‧Output connector

12‧‧‧Information equipment

20‧‧‧Power automatic switching controller

20a‧‧‧ Ontology

21‧‧‧Output indicator

23‧‧‧First input indicator

24‧‧‧Second input indicator

25‧‧‧Test button

26‧‧‧First switch

26a‧‧‧ first input

26b‧‧‧second input

26c‧‧‧first output

27‧‧‧Second switch

27a‧‧‧ third input

27b‧‧‧ fourth input

27c‧‧‧second output

28‧‧‧Switch Control Circuit

28a‧‧‧First switching control signal

28b‧‧‧Second switching control signal

29‧‧‧Director drive circuit

30‧‧‧First input plug

32‧‧‧First power contact

34‧‧‧First AC power supply

32a‧‧‧First power supply a contact

32b‧‧‧First power b contact

40‧‧‧Second input plug

42‧‧‧second power contact

42a‧‧‧Second power supply a contact

42b‧‧‧second power b contact

44‧‧‧Second AC power supply

1 is a schematic diagram of an apparatus according to an embodiment of the present invention; FIG. 2 is an internal circuit diagram of a power automatic switching controller according to an embodiment of the present invention; FIG. 3A is a schematic diagram of operation of using a first alternating current power supply according to an embodiment of the present invention; A schematic diagram of the operation of using a second AC power source.

The present invention discloses a power automatic switching controller, which can effectively reduce circuit cost, management cost, and simplify the technical effect of circuit design, and at the same time, in addition to avoiding the risk of service termination caused by a single power supply in the event of power interruption, nor A waste of cost is required to use a redundant power supply.

Referring to FIG. 1 and FIG. 2, the power automatic switching controller 20 of the present invention is configured to couple a plurality of AC power sources to generate an AC output. In FIG. 1, the power automatic switching controller 20 includes a body 20a and a first An input plug 30, a second input plug 40, an output connector 10, a test button 25, and a first input indicating component 23 and a second input indicating component 24. The main body 20a shown in FIG. 2 includes a first power contact 32, a second power contact 42, a first switch 26, a second switch 27, a switch control circuit 28, and an indicating component. Drive circuit 29. The first input plug 30 is coupled to the first power contact 32, and the second input plug 40 is coupled to the second power contact 42. It should be emphasized that the first input plug 30 and the second input plug 40 are only an example of an embodiment. In practical applications, the user can increase to a plurality of input plugs according to their own needs, and correspondingly Adding a plurality of power contacts to the plurality of input plugs, and then re-phase The corresponding couplings are mutually coupled, so the actual application implementation of the new type of input plug is not limited, depending on the number of AC power sources that the user can use from different sources.

The first input plug 30, the second input plug 40 or the plurality of input plugs can be an IEC C14 plug, a NEMA 5-15 plug or an IEC C20 plug in practical application, and the present invention is not limited. The output connector 10 provided in the power automatic switching controller 20 is the AC output, and can be an IEC C13 connector, an IEC C15 connector or an IEC C19 connector in practical application, and the present invention is not limited.

The body 20a is provided with a test button 25 for forcibly testing whether each of the plurality of AC power sources can perform power supply normally. In actual implementation, the single test button 25 can force the user to perform the function of supplying the power supply by another AC power source every time the user presses; and can also provide a plurality of test buttons 25 corresponding to the plurality of AC power source settings, and provide The user can directly perform power supply test on an AC power supply, and the present invention is not limited.

As shown in FIG. 2, a first AC power source 34 and a second AC power source 44 are separately connected to the first power contact 32 and the second power contact 42 in the body 20a. It should be emphasized that the first AC power source 34 or the second AC power source 44 is merely an illustrative example. The user can use three or four different sources of AC power according to their needs, and only needs to be correspondingly appropriate. The switching switch can be added to make the AC power supply of the power automatic switching controller 20 more diversified, that is, the present invention does not limit the number of AC power sources that can be used.

The first switch 26 has a first input end 26a, a second input end 26b and a first output end 26c. The second changeover switch 27 has a third input end 27a, a fourth input end 27b and a second output. End 27c. There is a first power source a contact 32a and a first power source b contact 32b in the first power contact 32; a second power source a contact 42a and a second power source b contact in the second power contact 42 42b. The first input end 26a is coupled to the first power supply contact 32a, the second input end 26b is coupled to the second power supply a contact 42a, and the third input end 27a is coupled to the first power supply b contact. The input end 27b is coupled to the second power source b contact. The first output end 26c and the second output end 27c are formed together as the AC output, and the first output end 26c and the second output end 27c are coupled to the output connector 10. The switch control circuit 28 is coupled to the first changeover switch 26 and the second changeover switch 27, and performs an automatic switching of an AC power source, such as a switch, provided by the first switching switch 26 and the second switching switch 27 to automatically switch a plurality of AC power sources. The control circuit 28 performs switching to supply AC power from the first AC power source 34 or switch to AC power supply from the second AC power source 44 as an AC output.

The coupling relationship of the switch control circuit 28 is further coupled to the first input terminal 26a, the second input terminal 26b, the third input terminal 27a, and the fourth input terminal 27b, and outputs a first switching control. The signal 28a is used to control the first changeover switch 26, and can output a second switchover control signal 28b for controlling the second changeover switch 27 to automatically switch to perform the supply of the AC power by the first AC power source 34, or to switch to The second AC power source 44 supplies AC power as an AC output; that is, the first switching control signal 28a acts on the first switching switch 26, and the second switching control signal 28b acts on the second switching switch 27. When one of the plurality of AC power sources (for example, the first AC power source 34 and the second AC power source 44) stops supplying power, switching to AC power supply by another AC power source of the plurality of AC power sources . That is, when the first AC power source 34 fails to supply the AC power, the switch control circuit 28 automatically switches to supply the AC power from the second AC power source 44; if the second AC power source 44 fails to supply the AC power, the switch control circuit 28 will automatically switch and AC power is supplied by the first AC power source 34.

Referring to FIG. 1 and FIG. 2, the main body 20a of the power automatic switching controller 20 is provided with a first input indicating component 23, a second input indicating component 24 and an output indicating component 21, and is further disposed in the body 20a. A driving circuit 29 having an indicating component is coupled to the first input terminal 26a and the fourth input terminal 27b. The first input indicating component 23, the second input indicating component 24, and the output indicating component 21 are all coupled to the driving circuit 29 of the indicating component, and are used to display the plural number currently described. Among the AC power sources, which one is supplied by the AC power source, the first input indicating element 23, the second input indicating element 24, and the output indicating element 21 are driven to be illuminated by the driving circuit 29 of the indicating element. For example, if the AC power is supplied from the first AC power source 34, the signal can be displayed by the first input indicating component 23, and if the AC power is supplied by the second AC power source 44, the LED can be displayed by the second input indicating component 24. number. The output indicating component 21 is also coupled to the driving circuit 29 of the indicating component for indicating that an AC output is generated, that is, when the power automatic switching controller 20 generates an AC output, the display is performed by the output indicating component 21. In practical applications, the first input indicating component 23, the second input indicating component 24, and the output indicating component 21 are all using LED lights, or the first input indicating component 23 and the second input indicating component 24 are red. The LED lamp and the output indicating component 21 are green LED lamps, and vice versa, the present invention is not limited.

3A and 3B are diagrams showing the connection of the first alternating current power source 34 to the second alternating current power source 44 and the alternating current output of the power source automatic switching controller 20, and the first input indicating component 23 and the second input indicating component 24; The light corresponding to the output indicating element 21 is illuminated. For example, the first AC power source 34 can be a power supply of an uninterruptible power supply (UPS) in an actual operation, and can provide an output of the AC power; the second AC power source 44 can actually be exemplified as a mains exchange. Power supply, such as 110V, 220V AC power supply for household use. Therefore, the first alternating current power source 34 and the second alternating current power source 44 are supplied to the alternating current power supply controller of different sources for the power source automatic switching controller 20. On the other hand, the AC output of the power automatic switching controller 20 can be directly plugged into an information device 12, such as a device plugged into a computer, computer or server, as shown in FIG. 3A.

FIG. 3A is an example of when the power automatic switching controller 20 has an AC output, and the AC output is supplied by the second AC power source 44, that is, an AC power source supplied by a general household utility, at this time, the second input indication Element 24 and output indicating element 21 will indicate that the light is on. FIG. 3B is an example when the power automatic switching controller 20 has an AC output, and the AC output is supplied by the first AC power source 34, that is, by the uninterruptible power supply. The AC power supplied by the supplier (UPS), at this time, the first input indicating component 23 and the output indicating component 21 will display a light.

In summary, the present invention discloses an automatic power switching controller 20 that not only avoids the risk of service termination caused by a single power supply in the event of power interruption, but also eliminates the cost waste generated by using a redundant power supply. Effectively reduce circuit cost, management cost, and simplify the technical efficiency of circuit design. The description of the present invention is merely illustrative of the preferred embodiments, and the scope of the present invention is not limited thereto, and any technique for local variation, correction or addition, or numerical changes, etc. Beyond the scope of protection of this new type.

10‧‧‧Output connector

20‧‧‧Power automatic switching controller

20a‧‧‧ Ontology

21‧‧‧Output indicator

23‧‧‧First input indicator

24‧‧‧Second input indicator

25‧‧‧Test button

30‧‧‧First input plug

40‧‧‧Second input plug

Claims (10)

An automatic power switching controller is configured to couple a plurality of AC power sources to generate an AC output. The power automatic switching controller includes: a body, the body includes: a first power contact and a second power connection a first switch, a first input end, a second input end, and a first output end; the first input end is coupled to the first power contact, the second input end is coupled to the a second power switch; a second switch having a third input, a fourth input, and a second output; the third input being coupled to the first power contact, the fourth input The second power contact is coupled to the second power contact; and a switch control circuit is coupled to the first switch and the second switch, and performs automatic switching of the first switch and the second switch to control the plurality An AC power supply provided in the AC power supply; a plurality of input plugs coupled to the first power contact and the second power contact; and an output connector coupled to the first output and the The second output is for the exchange Output terminals; and a test button, is provided on the main body, and means for forcing each of the plurality of test whether AC power supply can be normal. The power automatic switching controller of claim 1, wherein the body includes a driving circuit provided with an indicating component coupled to the first input end and the fourth input end. The power automatic switching controller of claim 2, wherein the body comprises: a plurality of input indicating components, and a driving circuit coupled to the indicating component, for displaying which of the plurality of AC power sources is currently a power source provided by an AC power source; and An output indicating component coupled to the driving circuit of the indicating component for displaying an alternating current output. The power automatic switching controller of claim 1, wherein the plurality of input plugs comprise an IEC C14 plug, a NEMA 5-15 plug or an IEC C20 plug. The power automatic switching controller of claim 1, wherein the output connector comprises an IEC C13 connector, an IEC C15 connector or an IEC C19 connector. The power automatic switching controller of claim 1, wherein the switch control circuit is coupled to the first input terminal, the second input terminal, the third input terminal, and the fourth input terminal, and outputs a The first switching control signal is used to control the first switching switch, and a second switching control signal is output for controlling the second switching switch. The power automatic switching controller of claim 6, wherein the first switching control signal acts on the first switching switch and the second switching control signal acts on the second switching switch, and is executed when the plurality of alternating currents are When an AC power source in the power supply stops supplying power, it is switched to be powered by another AC power source of the plurality of AC power sources. The power automatic switching controller of claim 1, wherein the first power contact includes a first power a contact and a first power b contact; the second power contact includes a second power a A contact and a second power b contact. The power automatic switching controller of claim 8, wherein the connection between the first switching switch and the first power contact and the second power contact is coupled to the first input end A power source a contact is coupled to the second power source a contact. The power automatic switching controller of claim 8, wherein the connection between the second switching switch and the first power contact and the second power contact is coupled to the third input end a power source b contact, the fourth input end coupled to the second power source b contact.