KR20100012198A - Automatic power switching unit no delay function in normal power priority policy - Google Patents

Abstract

PURPOSE: An automatic power switch device is provided to update and verify based sequence related to the power switching operation by performing power line communication with the outside through a relay communication unit. CONSTITUTION: A switching unit electrically connects one of a commercial power input terminal pair and an emergency power input terminal pair to an output terminal pair in response to a switching control signal. If the commercial power is applied to the commercial power input terminal pair when the emergency power is supplied to the load, a switching determination unit(44) applies a switching control signal to a switching unit for supplying the commercial power without the delay. The switching determination operation of the switching determination unit is performed by a processing operation of a microprocessor.

Description

Automatic power switching unit no delay function in normal power priority policy

The present invention relates to a power supply automatic switching device for supplying emergency power in the generation of the assembly building at the time of power failure.

In general, household distribution boards are installed by unit households in apartment buildings, apartments, villas, detached houses, public buildings, officetels, etc., and are supplied with commercial power from the outside to distribute power to each electric load, resulting in leakage or overload. It prevents the occurrence of fire or damage of electric load by shutting off the power supply when it occurs. Such generation distribution boards have main circuit breakers connected to the injection force terminals and sub-circuits distributed to the electric loads, respectively, for supplying commercial power from outside through the main input terminal to each electric load. It is divided into breakers.

In general, in a building such as an apartment, a townhouse, or an officetel, when a commercial power source is cut off, there is a countermeasure for supplying emergency power to each household so that the emergency light is turned on. When commercial power is interrupted, emergency power must be supplied to essential loads such as emergency lights.

In this specification, the commercial power refers to the AC power supplied to each generation by entering the building from the transmission line connected to the power plant, the emergency power is the interior of the assembly building when the commercial power is interrupted by a power failure or breakage of the transmission line Or it refers to the power supplied from the surrounding power facilities. For example, the power equipment for generating an emergency power source may be a self-generator, a storage battery facility, or an emergency power receiving power facility that stores or generates power by receiving energy such as thermal power, wind power, electric power, and solar power.

The power supply line introduced into the generation distribution board has two input and output stages in the case of a single phase, and three input stages and three output stages of the R, S, and T phases in the case of a three-phase 380V. In the three-phase case, the power line output to the transformer has four inputs and four outputs because the three inputs and outputs have a neutral line (N: NEUTRAL), and thus R, S, T, and N phases.

MOULDED CASE CIRCUIT BRAKER (MCCB) installed in the generation distribution panel functions as a circuit breaker for overload overcurrent protection, and ELCB (EARTH LEAKAGE CIRCUIT BREAKER) is used as a circuit breaker for leakage and overload overcurrent protection.

An automatic power supply switching device for supplying emergency power within a generation of an assembly building is also disclosed in a prior patent such as, for example, Patent No. 10-535857.

Such a conventional automatic power supply switching device is not a function of preferentially switching the commercial power when commercial power is applied again in a state where emergency power is being supplied. Even if there is a commercial power priority switching function, the commercial power is not immediately supplied to the load, but is transferred after a certain time delay. There is a waste of emergency power. In terms of charging power use, it is necessary to make commercial power use preferentially over emergency power in each household.

In addition, conventionally, when the common dual-use emergency light 28 is connected through a switch such as a dimming switch and the like through the emergency power line as shown in FIG. When power is applied, due to the wiring structure as shown in FIG. 2, power phase overlap may occur to damage the combined emergency light 28 and the switch 21.

In addition, in the related art, when an always-used emergency light is required in another space in addition to the always-used emergency light, the output expandability and operation of the automatic power supply switching device are not smooth.

In the state where emergency power is applied to the load, it is difficult to properly support power line communication.

An object of the present invention is to provide an improved power supply automatic switching device having a no delay switching function during commercial power priority switching operation.

Another object of the present invention is to provide a power supply automatic switching device that can have a simpler parts and more improved operation.

Still another object of the present invention is to provide an automatic power supply switching device capable of updating and verifying a general sequence related to the entire operation of a power supply by external power line communication.

It is still another object of the present invention to provide an automatic power supply switching device that can prevent power supply phase overlap during a power recovery operation so that damage to a combined lamp and a switch can be prevented or suppressed.

Still another object of the present invention is to provide an automatic power supply switching device that allows another always / emergency combination to be operated in an evacuation space provided in a household during a fire.

Still another object of the present invention is to provide an automatic power supply switching device capable of smoothly performing power line communication even in an emergency power supply state.

It is still another object of the present invention to provide an improved automatic power supply switching device for preventing damage to a device caused by a power phase collision at the source even when a commercially available emergency light is connected to a dimming switch or a collective lighting switch.

According to an aspect of the present invention, the automatic power supply switching device having a commercial power priority switching and no delay function,

A switching unit electrically connecting one of the commercial power input terminal pair and the emergency power input terminal pair to the output terminal pair in response to the first and second switching control signals;

When the commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the first switching control signal for supplying the emergency power to the load after a predetermined delay time is applied to the switching unit. And when the commercial power is applied to the commercial power input terminal pair while the emergency power is being supplied to the load, the second switching control signal for supplying the commercial power to the load immediately without a delay time. And a switching determination unit for applying to the switching unit.

In an embodiment of the present disclosure, the switching determination operation of the switching determination unit is implemented by a processing operation of a microprocessor driven by an operating power supply voltage generated by applying the emergency power.

According to another exemplary embodiment of the present invention, a power supply having a combined lamp as a load that is flickered by a switch for switching one end of the commercial power when the commercial power is applied and that is turned on to perform the emergency light function when the emergency power is applied. Automatic changer is:

In order to prevent the commercial power from being superimposedly applied while the emergency power is being applied to the combined lamp, one of a switching output terminal of the switch and a branch emergency power input branch branched from one of the emergency power sources may be switched. A switching output part electrically connected to one end of a combined lamp is provided.

In one embodiment of the present invention, one end of the combined light is connected to the switching output of the switching output portion, the other end of the combined light is out of phase with the switching output of the power supply automatic switching device to turn on the combined light It is connected to the transfer output stage.

Preferably, the switch may be one of a dimming switch for adjusting illuminance of the lamp, a batch lighting switch for turning on and off a plurality of lamps, or a three-way switch.

According to yet another aspect of an embodiment of the present invention, the automatic power supply switching device,

In response to the switching control signal, one of the commercial power input pair and the emergency power input pair is electrically connected to the first and second output terminals, respectively, and the commercial power connected to one output terminal of the dimming switch that receives the commercial power and performs dimming operation of the lamp. A five input three output switching unit electrically connecting one of a power dimming input terminal and a branch emergency power input branch branched to one of the emergency power input terminal pairs to a third output terminal;

When the commercial power is not applied to the commercial power input pair and the emergency power is applied to the emergency power input pair, the power of the emergency power and the branch emergency power input correspond to the load through the first, second and third output terminals. When the commercial power is applied to the commercial power input terminal pair while the emergency power is supplied to the load, and the commercial power is supplied to the load. And a switching determination unit configured to apply the switching control signal to the switching unit to supply power of the commercial power dimming input terminal to the load through the first, second and third output terminals. To prevent phase overlap of the power supply for commercial / emergency combined use.

According to yet another aspect of the present invention, the automatic power supply switching device having a commercial power priority switching and no delay function,

A commercially connected one of the commercial power input terminal pair and the emergency power input pair pair electrically connected to the first and second output terminals in response to the switching control signal, and connected to one output terminal of the switch that receives commercial power and performs an on / off operation of a lamp. A five-input three-output switching unit electrically connecting one of a flashing power supply input terminal and a branch emergency power input terminal branched to one of the emergency power input terminal pairs to a third output terminal;

When commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the power of the emergency power and the branch emergency power input terminal may supply the first, second and third output terminals after a predetermined delay time. The switching control signal to be supplied to the load through the switching unit, and when the commercial power is applied to the commercial power input pair in the state that the emergency power is being supplied to the load immediately without a delay time And a switching determination unit configured to apply the switching control signal to the switching unit to supply the commercial power and the commercial power flashing input power to the load through the first, second and third output terminals. Phase overlap of power supply to commercial / emergency combined light connected to 1,3 outputs is prevented .

According to yet another aspect of an embodiment of the present invention, the automatic power supply switching device,

In response to a switching control signal, one of the commercial power input terminal pair and the emergency power input terminal pair is electrically connected to the first and second output terminals, respectively, and the branch emergency power input terminal and the non-power input terminal branched to one of the emergency power input pair pairs. A commercial power switching input connected to one output terminal of the switch for electrically connecting one to the third output terminal and receiving a commercial power, and one branch emergency power input branch connected to one of the emergency power input pair. A five input four output switching unit electrically connecting the fourth output terminal to the fourth output terminal;

When commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the emergency power is supplied through the first and second output terminals, and the same power of the branch emergency power input terminal is supplied to the commercial power input pair. A delay time is applied when the commercial power is applied to the commercial power input terminal pair while the switching control signal is applied to the switching unit for supplying the load through the 3 and 4 output terminals, and the emergency power is being supplied to the load. Switching to apply the switching control signal to the switching unit immediately so that the power of the commercial power source and the commercial power switching input stages respectively come out through the first, second, fourth output stages correspondingly to the load A commercial / emergency combined use connected to the first and fourth output terminals, including a determination unit, One end is connected to one output terminal, and the phase overlap of the power supply to the evacuation space, etc. in which the other end is commonly connected to the second and third output terminals is prevented.

According to yet another aspect of an embodiment of the present invention, the automatic power supply switching device,

In response to the switching control signal, one of the commercial power input terminal pair and the emergency power input terminal pair is electrically connected to the first and second output terminals, respectively, and the branch emergency power input terminal and the non-power input terminal branched to one of the emergency power input terminal pairs. A branch power branch electrically connected to one of the third output terminals and connected to one of the emergency power input input pairs connected to one of the emergency power input pairs connected to one output terminal of the collective switch-off switch that receives the commercial power and switches the lamps collectively. A five input four output switching unit electrically connecting one of the power input terminals to the fourth output terminal;

When commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the emergency power is supplied through the first and second output terminals, and the same power of the branch emergency power input terminal is supplied to the commercial power input pair. A delay time is applied when the commercial power is applied to the commercial power input terminal pair while the switching control signal is applied to the switching unit for supplying the load through the 3 and 4 output terminals, and the emergency power is being supplied to the load. Switching to apply the switching control signal to the switching unit immediately so that the power of the commercial power source and the commercial power switching input stages respectively come out through the first, second, fourth output stages correspondingly to the load It is provided with a determination unit, one end is connected to the first output terminal and the third, fourth output terminal The phase of the superimposed power source or the like for a short common connection to the combine and is prevented.

In an embodiment of the present invention, a lighting switch is further provided between the other end of the combined lamp and the fourth output terminal, so that the lighting is performed by operating the lighting switch when commercial power is applied.

Preferably, the emergency power input pair of the five input four output switching unit may further include a noise filter for smoothly supporting power line communication even when emergency power is applied.

According to yet another aspect of an embodiment of the present invention, the automatic power supply switching device,

In response to the switching control signal, one of the commercial power input terminal pair and the emergency power input terminal pair is electrically connected to the first and second output terminals, respectively, and the branch emergency power input terminal and the non-power input terminal branched to one of the emergency power input terminal pairs. A four input three output switching unit electrically connecting one to the third output terminal;

When the commercial power is not applied to the commercial power input pair and the emergency power is applied to the emergency power input pair, the power of the emergency power and the branch emergency power input correspond to the load through the first, second and third output terminals. When the commercial power is applied to the commercial power input terminal pair while the emergency power is supplied to the load, and the commercial power is supplied to the load. A switching determination unit applying the switching control signal to the switching unit to supply the switching control signal correspondingly to the load through the first and second output terminals;

The commercial power supply receives the commercial power and performs illuminance control and flashing of the constant light, and a commercial power switching input terminal connected to one end of the commercial power source and one of the input terminals applied through the third output terminal of the switching unit A switch circuit portion electrically connected to the supply terminal;

And a combined lamp, which is connected between the combined lamp power supply terminal of the switch circuit section and the first output terminal of the switching section, and serves as a commercial / emergency combined lamp.

According to yet another aspect of an embodiment of the present invention, the automatic power supply switching device,

A relay for inputting commercial power and emergency power to selectively supply the commercial power or the emergency power to a load;

If the emergency power is no longer applied after the emergency switching operation, the power is turned off regardless of whether the commercial power is applied, and the relay is automatically returned so that the commercial power can be immediately supplied to the load. When the commercial power is applied while the emergency power is still applied after the emergency switching operation, the relay is automatically returned from the power on state so that the commercial power can be immediately supplied to the load without a delay time. It is provided with a relay control unit.

In an embodiment of the present invention, the relay is a DC relay driven by DC power.

In an embodiment, the relay has first, second and third output terminals corresponding to first, second and third switching stages SW1, SW2 and SW3, respectively, and the first and second switching stages are two-phase (N-phase). And a commercial power source or an emergency power source displayed through one phase of R, S, and T, and the third switching stage switches a commercial power source or emergency power displayed through one phase (one phase among R, S, and T).

Here, an emergency load that needs to be operated even when emergency power is turned on is connected between the first output terminal and the second output terminal, and an emergency combined emergency light may be connected between the first output terminal and the third output terminal.

In another embodiment, the relay has first, second, third and fourth output terminals corresponding to first, second, third and fourth switching stages SW1, SW2, SW3, and SW4, respectively. The switching stage alternates commercial power or emergency power through two phases (one of N, R, S, and T), and the third switching stage emerges through one phase (one of R, S, and T). One of the power source and the no power source is switched, and the fourth switching stage alternates one of the commercial power source displayed through one phase and the emergency power source displayed through the one phase (one of R, S, and T).

An emergency load that needs to be operated even when emergency power is turned on is connected between the first output terminal and the second output terminal, and an emergency dual emergency light may be connected between the first output terminal and the fourth output terminal.

Preferably, one end is connected to the first output terminal and the other end is commonly connected to the second output terminal and the third output terminal, and is always on or off through a switch in the always-on mode and is forcedly turned on in the emergency mode. Combined evacuation space can be connected,

The relay controller may be implemented as a microprocessor incorporating a program for updating and verifying an entire sequence related to the entire operation of the power supply by external power line communication.

According to the embodiments of the present invention, an improved power automatic switching device having a no delay switching function during a commercial power priority switching operation is implemented, and it is possible to perform an improved operation with simpler components.

In addition, by employing a noise filter and providing a program inside the microprocessor, it is possible to update and verify all sequences related to the entire operation of the power source by power line communication with the outside.

In addition, the power supply phase overlap is prevented during the power recovery operation, thereby preventing or suppressing a combined lamp and a switch damage.

In addition, another emergency / emergency combination can be operated in the evacuation space provided in the household during a fire, and power line communication can be performed smoothly even when emergency power is applied.

In addition, even when the commercial emergency lamp is connected to the dimming switch or the collective flashing light switch, there is an effect that the damage of the device due to the power phase collision is essentially blocked.

In addition, when power line communication is performed through emergency power lines to control household appliances, kitchen appliances, heat transfer, etc. in the household, electromagnetic interference and communication signal interference from outside are removed by the noise filter. For example, the control error of household appliances or kitchen appliances can be effectively prevented.

In addition, the living room as well as the space to evacuate in the event of fire can be used in combination with each other can reduce the additional cost of the separate installation of emergency lights.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing an embodiment of the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

First, in order to provide a more thorough understanding of some of the embodiments of the present invention to be described below, with reference to Figs. 1 and 2, it will be described the factors that can always be damaged emergency lamps in a conventional automatic power supply switching device. do.

FIG. 1 is a schematic diagram of a conventional emergency power supply system connected to a dimming switch, and FIG. 2 is a schematic diagram of a power supply wiring structure of a general assembly provided to explain a phenomenon in which an emergency lamp in FIG. 1 may be damaged.

Referring to FIG. 1, since the home automation device 30 and the boiler 32 need to be operated even when commercial power is not supplied, the automatic power supply switching device 20a, which receives both commercial power and emergency power, may be used. The structure connected via "APU" is shown below. In addition, it is also shown that the always-used emergency light 28 (hereinafter, "combined light") is also connected to the dimming switch 21 and the APU 20a to receive both emergency power and commercial power. The dimming switch 21 is a switch for adjusting the illuminance of the constant light 24, 26 or the combined light 28 using a commercial power source. Here, the other node of the combined lamp 28 is electrically connected to the output terminal P3 of the APU 20a and the output terminal S3 of the dimming switch 21. Therefore, when the power is restored while the emergency power is turned on, that is, when the commercial power is re-entered into the main circuit breaker 10 and the plurality of sub circuit breakers 12, 14, 16, and 18, the wiring structure as shown in FIG. Due to this, power supply phase superposition may occur. In such a case, the combined light 28 and the switch 21 may be damaged and a risk of fire may be caused.

In FIG. 2, the transformer 40 turns down the high voltage commercial power supplied through the transmission power line and converts the voltage to 380V and 220V. The emergency generator 50 for supplying emergency power performs a power generation operation when commercial power is cut off, and thus supplies emergency power of 380V and 220V. Assuming that the entire assembly building (A1-An) is formed of a plurality of coppers (dong 101--10N), the plurality of coppers are provided with R, S, T, and N phases in order to receive both commercial power and emergency power. It is wired to four lines each having.

Here, when two lines of the three-phase power supply lines R, S, and T phases, for example, R phase and S phase or S phase and T phase or T phase R phase are drawn in, 380V, and any one of R, S, and T phases When N-phases are paired in, 220V is obtained. The assembly building 101 (A1) is supplied with commercial power of R phase and N phase from the transformer 40 and emergency power of T phase and N phase from the emergency generator 50. The assembly building 102 (A2) is supplied with commercial power of the S phase and the N phase from the transformer 40 and emergency power of the S phase and the N phase from the emergency generator 50. On the other hand, the aggregate building 103 (A3) is supplied with commercial power of the T-phase and N-phase from the transformer 40, and emergency power of the R-phase and N-phase from the emergency generator 50 is supplied. 10 N buildings An are supplied with commercial power of R and N phases from the transformer 40 and emergency power of T and N phases from the emergency generator 50.

For example, when the APU 20a of FIG. 1 corresponds to 101 (A1) of FIG. 2, first, the commercial power of the R phase and the N phase from the transformer 40 is connected via the power pairs 50 and 52. It enters into the circuit breaker 10. The drawn commercial power is branched into a plurality of sub-circuit breakers 12, 14, 16, and 18, respectively, and applied to various heaters, lamps, or outlets. The R phase line of the commercial power supplied through the sub-circuit breaker 12 is connected to the dimming input terminal Di of the dimming switch 21, and the N phase line of the commercial power is the common terminal of the dimming switch 21. ) And at the same time one end of the constant light (24, 26). Here, when the switch SW11 of the dimming switch 21 is turned on, the dimming input terminal Di and the first dimming output terminal S1 are connected. Therefore, the R phase is connected to the other end of the constant light 24 so that the constant light 24 is turned on, and the illuminance is adjusted according to the on position of the switch SW11. In addition, when the switch SW12 of the dimming switch 21 is turned on, the dimming input terminal Di and the second dimming output terminal S2 are connected, so that the R phase is connected to the other terminal of the constant light 26 so that the constant light 26 ) Lights up and illuminance is controlled. When the switch SW13 of the dimming switch 21 is turned on, the dimming input terminal Di and the third dimming output terminal S3 are connected to each other so that the R phase is connected to the other end of the combined lamp 28, and the APU 20a The N phase is connected to one end of the combined lamp 28 via the output terminal P1, and the combined lamp 28 is turned on as a constant lamp. In this case, no power is supplied to the third output terminal P3 of the APU 20a.

In addition, the APU 20a selectively switches the commercial power source to drive emergency loads such as the home automation device 30 and the boiler 32 connected to the first and second output terminals P1 and P2.

In this way, the commercial power is supplied to the dimming switch 21, the constant light 24 and 26, the combined light 28, the home automation device 30 and the boiler 32, and the power supply is cut off by a power failure or a short circuit of the power transmission line. In this case, the APU 20a selects and transfers emergency power through the first and second output terminals P1 and P2 and supplies the first and third outputs to the home automation device 30 and the boiler 32. It supplies to the said combined lamp 28 through the terminals P1 and P3. Therefore, the combined lamp 28 is turned on as an emergency lamp, and the constant lamps 24 and 26 are turned off because commercial power is no longer supplied from the dimming switch 21.

When the commercial power is input again while the emergency power is supplied to the combined lamp 28, the home automation device 30, and the boiler 32, the commercial power is the main circuit breaker 10 and the sub circuit breaker 12. It is also applied to the dimming switch 21 through the (). Therefore, the R phase line of the commercial power supply is connected to the dimming input terminal Di of the dimming switch 21, and the N phase line of the commercial power supply is connected to the common terminal Com of the dimming switch 21 and at the same time the constant light (24). , One terminal of 26). In this case, the APU 20a switches the commercial power after supplying further emergency power for a predetermined time even though commercial power is input. For this reason, the emergency power of phase T supplied from the APU 20a and the commercial power of phase R supplied from the transformer 40 are superimposed instantaneously and a voltage of 380 V is generated. Therefore, the dimming switch 21 and the combined lamp 28 which are always / emergency lamps may be damaged, and the risk of fire due to the damage may be followed.

In addition, although an example in which an emergency power of R phase supplied from the transformer 40 and an emergency power of T phase supplied from the emergency generator 50 overlaps with each other has been described as an example, the commercial power supplied from the transformer 40 and the emergency Even if the emergency power supplied from the generator 50 is all supplied in the same phase, since the phases of the commercial power and the emergency power are different from each other, when the emergency power and the commercial power are simultaneously supplied, the dimming switch 21 or the combined lamp 28 Damage may result.

In addition, as power line communication is developed, it is possible to control information devices in a home such as a television, a telephone, a personal computer, and the like through a power line, and there is a need to support the power line communication so that there is no error in supplying emergency power.

On the other hand, the APU of Figure 1 was not smoothly the function to preferentially switch the commercial power when the commercial power is applied again in the state where the emergency power is being supplied. Even if there is a commercial power priority switching operation function, since the commercial power is not immediately supplied to the load but is delayed for a predetermined time and then transferred, waste of emergency power is generated.

In addition, in case of installing an emergency lamp necessary for another space besides the emergency lamp, the output expandability and operation of the automatic power supply switching device are not smooth, and the emergency power is applied to the load due to noise generation. It is difficult to properly support power line communication.

From now on, the structure of the improved APU and the overall configuration of the emergency power supply system, which can overcome the problems and disadvantages of the conventional APU, will be described with reference to FIGS. 3 to 11 to help understand the embodiments of the present invention. Will be explained.

First, FIG. 3 is an overall configuration diagram of an emergency power supply system that solves the problem in FIG. 1 according to an embodiment of the present invention. Here, unlike the wiring structure of FIG. 20 is connected between the first and third output terminals P1 and P3.

4 is a detailed circuit diagram illustrating a specific implementation of the APU 20 in FIG. 3, which includes a technology having a small number of components and a compact structure compared to a conventional structure, and having a commercial power priority switching and a no delay function. have.

FIG. 5 is a view showing the planar appearance of the APU 20 and the arrangement of the input / output terminals in FIG. 3, and FIG. 6 is an overall configuration diagram of an emergency power supply system according to another embodiment of the present invention.

7 is a detailed circuit diagram illustrating a specific implementation of the APU 20 in FIG. 6, and FIG. 8 is an overall configuration diagram of an emergency power supply system according to another embodiment of the present invention.

FIG. 9 is an overall configuration diagram of an emergency power supply system according to a modified embodiment of the present invention, FIG. 10 is a detailed exemplary circuit diagram of a collective switch-off switch in FIG. 8, and FIG. 11 is a final diagram of the microprocessor in FIG. 4 or 7. Represents a programmable motion control flow.

3, the wiring structure in which the combined lamp 28 is connected between the first and third output terminals P1 and P3 of the APU 20 is shown. In order to prevent the same phenomenon as in FIG. 1 in which the commercial power is overlapped and power phase overlap is generated in the state where emergency power is applied to the combined lamp 28, the interior of the APU 20 of FIG. As shown in FIG. 4, a branch output power branch branched from one end 56 of the emergency power source and a switching output terminal (b3 of FIG. 4) connected through the output line P5 of the dimming switch 21. A switching output SW3 is provided for switching one of the input stages (a3 in FIG. 4) and electrically connecting to one end of the combined light 28. The switching output unit SW3 forms a part of the relay RY1. In Fig. 4, the relay RY1 is a three-output DC relay composed of a drive portion 47a and a switch portion 47b.

The main circuit breaker 10 and the plurality of sub-circuit breakers 12, 14, 16, and 18 shown in FIG. 3 are implemented as an MCCB which detects an overload and cuts off the power, or an ELB which detects a short circuit and cuts off the power. . When the main circuit breaker 10 is installed as an MCCB, the plurality of sub circuit breakers 12, 14, 16, and 18 may be implemented as ELBs. In addition, when the main circuit breaker 10 is an ELB, the plurality of sub-circuit breakers 12, 14, 16, and 18 may be implemented by MCCB or ELB, or may be implemented by mixing MCCB and ELB. The plurality of sub-circuit breakers 12, 14, 16, and 18 are connected through commercial power lines on R and N, for example, to provide commercial power to a plurality of lights and a plurality of heating appliances in a household. For example, the sub-circuit breaker 14 may be connected to an outlet installed on the wall and the like in the living room in the household for the load R1. In addition, the sub-circuit breaker 16 is connected to an outlet installed on the back and walls of the room, and can supply commercial power to the load R2, and the sub-circuit breaker 18 is connected to an outlet installed on the back and the walls of the small room and the veranda. So that the load R3 can be driven.

Since the dimming switch 21 is connected to the sub-circuit breaker 12 through power lines on R and N in the drawing, the dimming switch 21 receives commercial power introduced through commercial power input terminals 50 and 52. 21 turns on the constant light 24 and 26 in response to the operation of the operation switches SW11 and SW12, and adjusts the illuminance upon lighting.

The dimming switch 21 is connected to the APU 20 through a connection line P5 of the operation switch SW3. When commercial power is supplied, the APU 20 connects the connection line P5 to the third output terminal P3 through an internal switching line L10. Therefore, in this case, the R phase power of the commercial power source is applied to the other end (side to which P3 is connected) of the combined lamp 28. On the other hand, when commercial power is supplied, one end of the combined lamp 28 is supplied with power of the N phase through the first output terminal P1 of the APU 20. Therefore, when the commercial power is applied, if the operation switch SW13 of the dimming switch 21 is in the off position, the dimming input terminal Dim and the third dimming output terminal S3 are not electrically connected. 28) is extinguished. When the operation switch SW13 is set to the on position, the dimming input terminal Di and the third dimming output terminal S3 are connected to the combined lamp 28 to light up. The illuminance of the combined lamp 28 is adjusted toward the maximum as the operation switch SW13 is turned to the maximum brightness position within the range in which the operation switch SW13 is turned on. That is, at the maximum position, the combined light 28 becomes the maximum bright and at the minimum the darkest.

In FIG. 3, the R phase line of the commercial power supply is connected to the dimming input terminal Di of the dimming switch 21, and the N phase line of the commercial power supply is connected to the common terminal Com of the dimming switch 21. It is connected to one end of (24, 26). Accordingly, when the switch SW11 of the dimming switch 21 is turned on, the constant light 24 is turned on, and the illuminance is adjusted according to the on position of the switch SW11. In addition, when the switch SW12 is turned on, the dimming input terminal Dim and the second dimming output terminal S2 are connected to constantly turn on and adjust the illuminance.

In FIG. 3, the APU 20 has five input terminals (emergency power pair 54,56, commercial power pair 50,52, dimming switching output line P5) and three output terminals P1, P2, and P3. ).

The APU 20 electrically connects one of the commercial power input pairs 50 and 52 and the emergency power input pairs 54 and 56 to the output pairs P1 and P2, and the emergency power input pairs 54 and 56. When commercial power is applied to the commercial power input terminal pairs 50 and 52 while the emergency power applied to the loads 30 and 32 is supplied to the loads 30 and 32, the commercial power is immediately output to the output terminal pair without delay time. P1 and P2 are supplied to the loads 30 and 32.

In addition, the APU 20 has commercial power supplied to the commercial power input terminal pairs 50 and 52 while emergency power applied to the emergency power input terminal pairs 54 and 56 is being supplied to the loads 30 and 32. When applied, the switching operation is performed to output the commercial power of R phase drawn through the connection line P5 to the third output terminal P3 to be applied to the other end of the combined lamp 28. As a result, even if the switching is instantaneously performed without delay during power recovery, the phase superposition phenomenon of the power source is prevented. Therefore, the possibility of damaging the dimming switch and the combined use is blocked.

Hereinafter, referring to FIG. 4, a detailed configuration example of the APU 20 having a commercial power priority transfer and a no delay function will be described.

The APU 20 of FIG. 4 basically includes a relay RY1 composed of a DC relay and a relay control section 44 composed of a microprocessor unit (MPU).

The relays RY1: 47a and 47b include a driver 47a and a switch 47b, and the driver 47a has a coil current according to the output state of the control output terminal O2 of the microprocessor (MPU). It will or will not flow. Accordingly, the switch portion 47b connected through the drive line L1 indicated by the broken line 46 is driven. The switch section 47b has first, second and third switches SW1, SW2 and SW3. The first switch SW1 connects the N phase 54 of the emergency power applied to the input contact a1 to the output contact C1 when a current flows in the driver 47a, and the driver 47a. When the current does not flow in the N-phase 50 of the commercial power applied to the return input contact (b1) is connected to the output contact (C1). The output contact C1 is connected to the first output terminal P1 of the APU 20. The second switch SW2 connects the R phase 56 of the emergency power applied to the input contact a2 to the (or S, T phase) output contact C2 when a current flows in the driver 47a. When no current flows through the driving part 47a, the R phase 52 of the commercial power source (or S and T phase) applied to the return input contact point b2 is connected to the output contact C2. The output contact C2 is connected to the second output terminal P2 of the APU 20. The third switch SW3 connects the R phase 56 (or S and T phase) of the emergency power applied to the input contact a3 when the current flows through the driving part 47a to the output contact C3. When no current flows through the driving part 47a, the R phase P5 of the commercial power source applied to the return input contact point b3 (or S and T phase) is connected to the output contact C3. The output contact C3 is connected to the third output terminal P3 of the APU 20. The return input contact b3 corresponds to a branch emergency power input branch branched from one end 56 of the emergency power source.

The MPU as the relay controller 44 may be implemented by, for example, a general purpose microprocessor "PIC508", and may perform an operation procedure as shown in FIG. 11 according to a program loaded therein.

In an embodiment of the present invention, the relay control unit 44 functions as a switching determination unit.

The relay controller 44 properly controls the relay RY1 according to three state modes when emergency power is applied.

The first state mode is a basic emergency transfer mode in which emergency power is switched in the event of a power failure or an abnormality in a transmission line. In this mode, the relay controller 44 outputs the logic level of the switching control signal output to the control output terminal O2 as low. Accordingly, the switches SW1, SW2, SW3 of the relay RY1 are all switched to the input contacts a1, a2, a3 which are contacts a. Therefore, emergency power is supplied to a load such as a combined emergency light, a boiler, a home automation device, and the like.

The second state mode is a case where the emergency power is no longer applied after the emergency switching operation. In this mode, the relay controller 44 is powered off regardless of whether the commercial power is applied. Therefore, the switches SW1, SW2, SW3 of the relay RY1 are all switched to the input contacts b1, b2, b3, which are b contacts, by the restoring force of the relay spring. Therefore, the commercial power can be immediately supplied to the load such as the combined emergency light, boiler, home automation equipment.

The third state mode is a case where the commercial power is again applied while the emergency power is still applied after the emergency switching operation. In this state, the MPU 44 determines that commercial power is applied through the sensing input terminal I1 and outputs a logic level of the switching control signal output to the control output terminal O2 as high in the power-on state. Accordingly, the switches SW1, SW2, SW3 of the relay RY1 are all switched to the input contacts b1, b2, b3, which are b contacts, by the restoring force of the relay spring. Therefore, commercial power is immediately supplied to the load such as a combined emergency light, a boiler, a home automation device, and the like.

In an embodiment of the present invention, the switches of the relay are automatically returned in the second and third state modes so that the commercial power can be immediately supplied to the load without a delay time.

In FIG. 4, the commercial power detection signal generation unit 43 and the operation voltage generation unit 42 are connected to control the operation of the MPU 44.

The commercial power detection signal generation unit 43 is composed of a diode D2, a light emitting diode D3, a resistor R3, a photo coupler PC, and a resistor R4. Generate a power detection signal. The generated constant power detection signal is applied to the sensing input terminal I1 of the MPU 44. When the commercial power is applied, the light emitting diode D3 is turned on to identify the application status of the commercial power outside the apparatus.

The operating voltage generation unit 42 is a functional circuit block for generating a DC constant voltage in response to the application of an emergency power source, and includes a bridge diode BD1, a capacitor C2, a zener diode D1, a constant voltage generator U3, And a capacitor C3. The DC operating voltage output from the capacitor C2 is regulated by the constant voltage U3 to generate a DC constant voltage. The DC constant voltage is applied to the operating voltage input terminal VIN of the MPU 44.

The voltage adjusting unit 41 is a circuit block connected to one end 56 of the emergency power source and applies a voltage dropped to the voltage node V1 of the bridge diode BD1. The resistor R1 and the capacitor C1 are provided. It consists of. Here, the voltage adjuster 41 may be included in the functional voltage generator 42 in terms of functionality.

The emergency power supply display unit 45 is a circuit block for externally displaying the emergency power supply when the emergency power is being applied, and is composed of a resistor R5 and a light emitting diode D4.

The noise filter 22 provided at the rear end of the ELB 58 is connected between the emergency power pairs to block noise, electromagnetic interference, or interference with communication signals. Accordingly, power line communication can be smoothly supported.

The MPU 44 may further include a program for updating and verifying all sequences related to the entire operation of the power supply by power line communication with the outside.

An operation example of FIG. 4 will be described with reference to FIG. 11 as follows.

In the state in which the emergency power is not applied and only the commercial power is applied, that is, in the normal mode (normal mode), the MPU 44 of FIG. 4 does not receive the driving voltage (DC constant voltage) at the operating voltage input terminal VIN. It is a state. In this case, the light emitting diode D3 in the commercial power supply detection signal generation unit 43 in FIG. 4 is turned on, and the constant power detection signal is applied to the sensing input terminal I1. Even when the constant power detection signal is applied, the MPU 44 is in a disabled state, and thus no control operation is performed. In this always-on mode, the relay RY1 is also not electrically driven and maintains its initial state. That is, the first, second, and third switches SW1, SW2, and SW3 maintain the state of being connected to the input contacts b1, b2, and b3, which are b contacts, by the restoring force of the relay spring. Accordingly, commercial power is output to the first and second output terminals P1 and P2, and one phase of the commercial power supplied from the dimming switch 21 through the line P5 to the third output terminal P3 (see FIG. 3). R phase) is output. Therefore, commercial power is supplied to loads such as emergency emergency lights, boilers, and home automation equipment.

If a commercial power source is not applied due to a defect in a transmission line or a power failure, and emergency power supplied by a self-generator of an assembly building is input, operation under the first state mode is performed. In step S110 of FIG. 11, the emergency power is checked. The step S110 is performed by the MPU 44 receiving a driving voltage (DC constant voltage) to the operating voltage input terminal VIN. As a result, when the emergency power is applied, the bridge diode BD1 of FIG. 4 generates a DC voltage by full-wave rectifying the dropped AC voltage applied from the voltage adjusting unit 41, and the voltage regulator U3 regulates it. As a result of outputting a DC constant voltage of 3.3 volts or 5 volts, the DC constant voltage is applied to the operating voltage input terminal VIN through a voltage supply line VL1. Accordingly, the MPU 44 is enabled to selectively perform the steps S111 and S112. Steps S111 and S112 are steps of giving a time delay when switching to emergency power. That is, since the unstable voltage may enter at the initial stage of supplying the emergency power, the switching operation of the relay RY1 is delayed by a predetermined time. However, this is optional, and of course, the step S111 and step S112 can be omitted and the transfer can be performed immediately.

The MPU 44 generates a low level relay driving signal through the control output terminal O2 and drives the light emitting diode unit LED 2 in step S113. Accordingly, the relay RY1 is electrically driven so that the first, second, and third switches SW1, SW2, and SW3 are all switched to the input contacts a1, a2, and a3, which are contacts a. Therefore, the emergency power is output to the first and second output terminals P1 and P2, and the R phase 56 of the emergency power is output to the third output terminal P3. Therefore, emergency power is supplied to a load such as an emergency fire lamp, a boiler, a home automation device, and the like. As described above, the first state mode is a basic emergency transfer mode in which emergency power is switched in the event of a power failure of a commercial power supply or an abnormality in a transmission line.

The second state mode is now described through steps S114 and S116.

In step S114, the MPU 44 checks whether emergency power is continuously supplied. If the emergency generator has failed while the commercial power is not yet supplied, step S114 is passed and step S116 is automatically executed by disabling the MPU 44.

The second state mode is a case in which the emergency power is no longer applied after the emergency switching operation. In this mode, since the MPU 44 does not receive a driving power of DC constant voltage, regardless of whether the commercial power is applied or not. Power off. Accordingly, the switches SW1, SW2, and SW3 of the relay RY1 are all switched back to the input contacts b1, b2, and b3, which are b contacts, by the restoring force of the relay spring. Accordingly, the load such as the combined emergency light, boiler, home automation equipment, etc. is placed in a state where commercial power can be supplied immediately.

 Next, the third state mode will be described through the steps S115, S117, and S118. In step S115, the MPU 44 checks whether commercial power is detected. That is, when the commercial power is applied again while the emergency power is still applied after the emergency switching operation, the MPU 44 determines that the commercial power is applied through the sensing input terminal I1. Therefore, in step S117, the logic level of the switching control signal output to the control output terminal O2 is immediately changed to high. Accordingly, the switches SW1, SW2, SW3 of the relay RY1 are all switched back to the input contacts b1, b2, b3, which are b contacts, by the restoring force of the relay spring. Therefore, commercial power is immediately supplied to the load such as a combined emergency light, a boiler, a home automation device, and the like. In this case, since the emergency power is still drawn in, the lighting of the light emitting diode unit LED2 is continuously maintained. In step S118, the MPU 44 checks the incoming state of emergency power and commercial power. In step S118, when the emergency power is off, the transition to step S116. In addition, when the commercial power is off is returned to the step S110.

As described above, the instant changeover to the commercial power supply in the third state mode satisfies the always-first priority switching operation and prevents the waste of the emergency power to the maximum, thereby providing rationality for the charging of power of the generation.

In addition, the circuit configuration as shown in FIG. 4 achieves the purpose of enabling simpler parts and more improved operation. In addition, by adopting the noise filter 22 and providing a program inside the microprocessor, a basis for updating and verifying all sequences related to the power switching operation by external power line communication is also provided.

3 illustrates a technique in which power phase overlap is prevented during a power recovery operation to prevent or suppress damage to a combined lamp and a switch.

Although the APU 20 of FIG. 4 has been described as an example of a 5-input 3-output line, the 5-input 4-output line as shown in FIG. 7 further connects another commercial and emergency light to the evacuation space in case of fire. Can be changed to Details thereof will be described later.

FIG. 5 shows the planar appearance of the APU 20 and the arrangement of the input / output stages in FIG. 3. Emergency power input terminals 54 and 56 are formed at an outer upper portion of the molding body of the APU 20, and commercial power input terminals 50 and 52 are formed at an outer lower portion of the APU 20. The emergency power input terminals 54 and 56 are connected to inlet terminals 54a and 56a for injecting emergency power and terminals for injecting emergency power, respectively. 54b and 56b). A circuit breaker 58 is provided at the center of the molding body of the APU 20 to block the emergency power when an overcurrent of the emergency power flows. An APU mounting unit 60 is formed below the circuit breaker 58 to embed the circuit as shown in FIG. 4, and commercial power input terminals 50 and 52 and a dimming input are located below the APU mounting unit 60. The terminal P5 and the first and second output terminals P1, P2 and P3 are arranged. The emergency power input terminals 54 and 56 are separately separated into the lead terminals 54a and 56a and the lead terminals 54b and 56b for the convenience of power line connection work.

6 is an overall configuration diagram of an emergency power supply system according to another embodiment of the present invention, which is slightly modified in FIG. In FIG. 6, when another combined emergency light 29 installed in the evacuation space is additionally installed in the evacuation space for use in a fire, it may be turned on and off by using an operation switch 23 such as a tumbler at all times. Is a wiring structure that can be used as an emergency light by applying emergency power. In FIG. 6, the dimming switch 21 may adjust illuminance of the combined lamp 28 when commercial power is applied. The wiring structure as shown in FIG. 6 also solves the problem of power phase superposition as in the case of FIG. Thus, demaging to the dimming switch 21 or the combined lights 28 and 29 is prevented.

The detailed configuration of the APU 20 employed in FIG. 6 is shown in FIG. 7.

FIG. 7 is a detailed circuit diagram illustrating a specific implementation of the APU 20 in FIG. 6, except for the detailed switch structure of the relay RY1 having a 5-input 4-output switching function.

As a result, the relay RY1 of FIG. 7 selects one of the commercial power input pair 50 and 52 and the emergency power input pair 54 and 56 from the first and second output terminals in response to a switching control signal appearing at the control output terminal O2. A branch emergency power input terminal a3 and a non-power input terminal b3 branched to one of the emergency power input pair pairs electrically connected to P1 and P2, respectively, and connected to one of the emergency power input terminal pairs, respectively, to the third output terminal P3. Branch emergency power input branch electrically connected and branched to one of the emergency power input pair b4 connected to a commercial power switching input terminal b4 connected to one output terminal S3 of a switch for receiving a commercial power and switching a lamp. One of (a4) has a five input four output switching unit 47b which electrically connects to the fourth output terminal P4. The MPU 44 of FIG. 7 may also perform the control flow as shown in FIG. 11.

The four output APU 20 shown in FIG. 7 is employed in FIG. 6 and also functions as the APU 20 in FIG. 8.

  FIG. 8 is an overall configuration diagram of an emergency power supply system according to another embodiment of the present invention, in which a batch off switch 25 other than a dimming switch is connected. In this case as well, since the switching output stage S1 of the collective extinguishing switch 25 is applied as an input to the APU 20 via the line P5, the power supply phase superimposition to the combined lamp 28 is essentially prevented.

FIG. 9 is an overall configuration diagram of an emergency power supply system according to an embodiment of the present invention, in which one phase of emergency power and one phase of commercial power are provided inside the dimming switch 21 by changing the wiring structure of FIG. 3. The switching part 21b which selectively switches is provided. When the commercial power supply is supplied, the emergency detection unit 21a receives no power from the third output terminal P3 of the APU 20, so that the control signal of the control line C1 is disabled. Therefore, the switching unit 21b constituted by the relay does not flow current in the relay coil and thus maintains the state of being connected to the contact b. Here, the APU 20 has an internal relay configured to output one phase of the emergency power to the third output terminal P3 only when the emergency power is switched. When the emergency switching operation occurs, the emergency detection unit 21a receives emergency power from the third output terminal P3 of the APU 20, so that the control signal of the control line C1 is enabled. Thus, the switching unit 21b is driven to connect the switching output point c to the contact point a. As a result, the combined lamp 28 is forced to the emergency power source.

When commercial power is applied again while the emergency power is turned on, the combined light 28 is not a wiring structure receiving commercial power, and thus phase overlap does not occur, and the contact b after immediate commercial switching operation of the APU 20 is performed. Return to. As a result, in any case, it can be seen that the phase overlap phenomenon does not occur in the combined lamp 28.

FIG. 10 is a detailed illustration of the collective extinguishing switch 25 of FIG. 8. The control unit 100 connected to the transformer TRS and the rectifying unit BD, the gas shutoff valve 150 and the home network 200, and an operation switch are illustrated in FIG. 8. The first and second relays 120 and 130 for collectively turning on and off the first and second loads 170 and 180, such as 110 and the lamp, are well known in the art. In the present embodiment, the combined lamp 28 may correspond to the second load 180.

In an embodiment of the present invention, the emergency load may include a front door lock device, a video interphone, gas, crime prevention, disaster prevention equipment, etc., although not shown.

Meanwhile, as shown in FIG. 8, when the noise filter 22 is connected to the emergency power input terminals 54 and 56 of the APU 20, noise, electromagnetic interference, and communication signal interference from the outside are effectively blocked. do.

Therefore, in case of PLC (Power Line Communication) communication through a separate device such as modem or system that distributes power and communication data to emergency power line, remote control of base intelligent home appliances in household, remote meter reading such as meter Errors for remote control of the electric machine are reduced.

In the above-described embodiments of the present disclosure, the switching control operation may include a computer readable medium including program instructions for performing operations implemented by various computers. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.

In the above description, the embodiments of the present invention have been described with reference to the drawings, for example. However, it will be apparent to those skilled in the art that the present invention may be variously modified or changed within the scope of the technical idea of the present invention. . For example, if the matter is different, the delay time can be selectively inserted and decremented during the transfer operation of the APU without departing from the technical spirit of the present invention, or the outputs of various other switches as well as the dimming switch can be connected to the relay input terminal of the APU. This can prevent phase overlap. In addition, during the emergency transfer operation, the relay control unit may perform power line communication with the outside so that the program may be checked or updated, and the check of emergency and commercial power supply may be checked in various ways.

1 is a block diagram of a conventional emergency power supply system connected to the dimming switch

FIG. 2 is a schematic diagram of power supply wiring in a general assembly provided to explain a phenomenon in which the emergency lamp in FIG. 1 may be damaged.

3 is an overall configuration diagram of an emergency power supply system that solves the problem of FIG. 1 in accordance with an embodiment of the present invention.

4 is a detailed circuit diagram illustrating a specific implementation of the APU 20 in FIG. 3.

FIG. 5 illustrates a plan view of the APU 20 and an arrangement of input / output terminals of FIG. 3.

6 is an overall configuration diagram of an emergency power supply system according to another embodiment of the present invention.

FIG. 7 is a detailed circuit diagram illustrating a specific implementation of the APU 20 in FIG. 6.

8 is an overall configuration diagram of an emergency power supply system according to another embodiment of the present invention.

9 is an overall configuration diagram of an emergency power supply system according to an embodiment of the present invention.

FIG. 10 is a circuit diagram of a specific example of the collective extinguishing switch in FIG. 8.

11 is an operational control flow diagram programmable in the microprocessor in FIG. 4 or FIG.

            Explanation of symbols on the main parts of the drawings

20: APU 21: Dimming switch

24, 26: Always lights 28, 29: Always emergency lights

30: home automation equipment 32: boiler

Claims (26)

A switching unit electrically connecting one of the commercial power input terminal pair and the emergency power input terminal pair to the output terminal pair in response to the switching control signal; When the commercial power is applied to the commercial power input pair while the emergency power applied to the emergency power input pair is being supplied to the load, the commercial power is supplied to the load through the output pair immediately without delay. And a switching determination unit for applying the switching control signal to the switching unit. A switching unit electrically connecting one of the commercial power input terminal pair and the emergency power input terminal pair to the output terminal pair in response to the switching control signal; When the emergency power is applied to the emergency power input pair when the commercial power is not applied to the commercial power input pair, the switching control signal for supplying the emergency power to the load through the output pair is immediately switched. And when the commercial power is applied to the commercial power input pair while the emergency power applied to the emergency power input pair is supplied to the load, the commercial power is immediately applied to the load through the output pair. And a switching determination unit for applying the switching control signal to be supplied to the switching unit. A switching unit electrically connecting one of the commercial power input terminal pair and the emergency power input terminal pair to the output terminal pair in response to the first and second switching control signals; When the commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the first switching control signal for supplying the emergency power to the load after a predetermined delay time is applied to the switching unit. And when the commercial power is applied to the commercial power input terminal pair while the emergency power is being supplied to the load, the second switching control signal for supplying the commercial power to the load immediately without a delay time. A power supply automatic switching device having a priority switching function and no delay function for commercial power, characterized in that it has a switching determination unit applied to the switching unit. 4. The switching decision operation of the switching determination unit is implemented by a processing operation of a microprocessor driven by an operation power supply voltage generated by applying the emergency power. Power automatic switching device. In a power supply automatic switching device having a combined light as a load which flashes by a switch for switching one end of the commercial power when the commercial power is applied and which is turned on to perform the emergency light function when the emergency power is applied: In order to prevent the commercial power from being superimposedly applied while the emergency power is being applied to the combined lamp, one of a switching output terminal of the switch and a branch emergency power input branch branched from one of the emergency power sources may be switched. A power supply automatic switching device having a priority power supply and no delay function for commercial power, characterized in that it comprises a switching output electrically connected to one end of the combined light. The switching power supply of claim 5, wherein one end of the combined lamp is connected to a switching output of the switching output unit, and the other end of the combined lamp is out of phase with the switching output and the combined lamp is turned on. Automatic power supply switching device having a commercial power priority transfer and no delay function, characterized in that connected to the output stage. 6. The commercial power source priority switch and furnace according to claim 5, wherein the switch is one of a dimming switch for adjusting illuminance of a lamp, a batch lighting switch for turning on and off a plurality of lamps, or a three-way switch. Power automatic switching device with delay function. In response to the switching control signal, one of the commercial power input pair and the emergency power input pair is electrically connected to the first and second output terminals, respectively, and the commercial power connected to one output terminal of the dimming switch that receives the commercial power and performs dimming operation of the lamp. A five input three output switching unit electrically connecting one of a power dimming input terminal and a branch emergency power input branch branched to one of the emergency power input terminal pairs to a third output terminal; When the commercial power is not applied to the commercial power input pair and the emergency power is applied to the emergency power input pair, the power of the emergency power and the branch emergency power input correspond to the load through the first, second and third output terminals. When the commercial power is applied to the commercial power input terminal pair while the emergency power is supplied to the load, and the commercial power is supplied to the load. And a switching determination unit configured to apply the switching control signal to the switching unit to supply power of the commercial power dimming input terminal to the load through the first, second and third output terminals. Phase overlap of the power supply for commercial / emergency combined use connected to Power for automatic transfer device having a first power transfer and no-delay function. A commercially connected one of the commercial power input terminal pair and the emergency power input pair pair electrically connected to the first and second output terminals in response to the switching control signal, and connected to one output terminal of the switch that receives commercial power and performs an on / off operation of a lamp. A five input three output switching unit electrically connecting one of a power switching input terminal and a branch emergency power input terminal branched to one of the emergency power input terminal pairs to a third output terminal; When commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the power of the emergency power and the branch emergency power input terminal may supply the first, second and third output terminals after a predetermined delay time. The switching control signal to be supplied to the load through the switching unit, and when the commercial power is applied to the commercial power input pair in the state that the emergency power is being supplied to the load immediately without a delay time And a switching determination unit configured to apply the switching control signal to the switching unit to supply the commercial power and the commercial power switching input power to the load through the first, second and third output terminals. To prevent phase overlap of power supply for commercial / emergency combined use connected to 1,3 outputs First, the commercial power supply automatic transfer device having a transfer function and the no-delay, characterized in that. In response to the switching control signal, one of the commercial power input terminal pair and the emergency power input terminal pair is electrically connected to the first and second output terminals, respectively, and the branch emergency power input terminal and the non-power input terminal branched to one of the emergency power input terminal pairs. One of the commercial power switching input terminals electrically connected to the third output terminal, the commercial power switching input terminal connected to one output terminal of the switch for receiving the commercial power and switching the lamp, and the branch emergency power input branch connected to one of the emergency power input pair pairs. A five input four output switching unit electrically connected to the fourth output terminal; When commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the emergency power is supplied through the first and second output terminals, and the same power of the branch emergency power input terminal is supplied to the commercial power input pair. A delay time is applied when the commercial power is applied to the commercial power input terminal pair while the switching control signal is applied to the switching unit for supplying the load through the 3 and 4 output terminals, and the emergency power is being supplied to the load. Switching to apply the switching control signal to the switching unit immediately so that the power of the commercial power source and the commercial power switching input stages respectively come out through the first, second, fourth output stages correspondingly to the load And a commercial / emergency combined use connected to the first and fourth output terminals, A power supply automatic switching device having a priority power supply and no delay function for commercial power supply switching, characterized in that one end is connected to one output terminal and the second and third output terminals are commonly connected to the second and third output terminals. . 11. The commercial power source priority switch and furnace according to claim 10, wherein the switch is one of a dimming switch for adjusting illuminance of a lamp, a batch lighting switch for turning on and off a plurality of lights, or a three-way switch. Power automatic switching device with delay function. In response to the switching control signal, one of the commercial power input terminal pair and the emergency power input terminal pair is electrically connected to the first and second output terminals, respectively, and the branch emergency power input terminal and the non-power input terminal branched to one of the emergency power input terminal pairs. A branch power branch electrically connected to one of the third output terminals, the branch power supply switching input terminal connected to one output terminal of a collective switch-off switch for collectively switching a lamp in response to commercial power, and a branch emergency branch connected to one of the pair of emergency power input terminals. A five input four output switching unit electrically connecting one of the power input terminals to the fourth output terminal; When commercial power is not applied to the commercial power input terminal pair and emergency power is applied to the emergency power input terminal pair, the emergency power is supplied through the first and second output terminals, and the same power of the branch emergency power input terminal is supplied to the commercial power input pair. A delay time is applied when the commercial power is applied to the commercial power input terminal pair while the switching control signal is applied to the switching unit for supplying the load through the 3 and 4 output terminals, and the emergency power is being supplied to the load. Switching to apply the switching control signal to the switching unit immediately so that the power of the commercial power source and the commercial power switching input stages respectively come out through the first, second, fourth output stages correspondingly to the load It is provided with a determination unit, one end is connected to the first output terminal and the third, fourth output terminal Only the utility, characterized in that the phase to avoid the overlap of the power source or the like for a common power supply connected to the first combined transfer and no-power automatic transfer device having a delay function. The commercial power supply according to claim 12, further comprising a lighting switch between the other end of the combined lamp and the fourth output terminal, wherein the lighting is performed by operating the lighting switch when commercial power is applied. Automatic power supply switching device with priority switching and no delay function. The commercial power priority switching and no delay function of claim 12, wherein a noise filter for smoothly supporting power line communication even when emergency power is applied is provided in the emergency power input pair of the five input four output switching unit. Power automatic switching device having a. In response to the switching control signal, one of the commercial power input terminal pair and the emergency power input terminal pair is electrically connected to the first and second output terminals, respectively, and the branch emergency power input terminal and the non-power input terminal branched to one of the emergency power input terminal pairs. A four input three output switching unit electrically connecting one to the third output terminal; When the commercial power is not applied to the commercial power input pair and the emergency power is applied to the emergency power input pair, the power of the emergency power and the branch emergency power input correspond to the load through the first, second and third output terminals. When the commercial power is applied to the commercial power input terminal pair while the emergency power is supplied to the load, and the commercial power is supplied to the load. A switching determination unit applying the switching control signal to the switching unit to supply the switching control signal correspondingly to the load through the first and second output terminals; The commercial power supply receives the commercial power and performs illuminance control and flashing of the constant light, and a commercial power switching input terminal connected to one end of the commercial power source and one of the input terminals applied through the third output terminal of the switching unit A switch circuit portion electrically connected to the supply terminal; An external switch coupling type power phase superposition preventing power supply switching device, characterized in that it is connected between said power supply end of said switch circuit part and said first output end of said switching part, and serves as a commercial / emergency combined light. . A relay for inputting commercial power and emergency power to selectively supply the commercial power or the emergency power to a load; If the emergency power is no longer applied after the emergency switching operation, the power is turned off regardless of whether the commercial power is applied, and the relay is automatically returned so that the commercial power can be immediately supplied to the load. When the commercial power is applied while the emergency power is still applied after the emergency switching operation, the relay is automatically returned from the power on state so that the commercial power can be immediately supplied to the load without a delay time. Always-oriented direct type power supply automatic switching device characterized in that it comprises a relay control unit. The apparatus of claim 16, wherein the relay controller comprises a microprocessor. 18. The apparatus of claim 17, wherein the relay is a DC relay driven by DC power. The apparatus of claim 18, wherein the device is configured to: operate the microprocessor, An operating voltage generator configured to generate a DC constant voltage in response to the application of the emergency power; And a commercial power detection signal generation unit for generating a constant power detection signal when the commercial power is applied. The method of claim 19, wherein the operation voltage generation unit, A voltage controller connected to the emergency power source and outputting a regulated voltage of alternating voltage; A rectifier for rectifying the control voltage to generate a direct current voltage; And a constant voltage unit configured to generate a DC constant voltage by regulating the DC operation voltage of the rectifier. The method of claim 20, The relay has first, second and third output terminals corresponding to first, second and third switching stages SW1, SW2 and SW3, respectively, and the first and second switching stages are two-phase (N phase and R, S, respectively). , Commercial power or emergency power switching through the one phase of (T), and the third switching stage is always characterized in that switching the commercial power or emergency power appearing through one phase (one of R, S, T) First of all, the directional power automatic switching device. The emergency load of claim 21, wherein an emergency load that needs to be operated even when emergency power is turned on is connected between the first output terminal and the second output terminal, and an always-used emergency light is connected between the first output terminal and the third output terminal. Always priority oriented type power automatic switching device characterized in that. The method of claim 20, The relay has first, second, third and fourth output terminals corresponding to first, second, third and fourth switching stages (SW1, SW2, SW3, SW4), respectively. The commercial power source or the emergency power source through N phase and one phase of R, S, T) is transferred, and the third switching stage uses one of the emergency power source and the no power source displayed through one phase (one phase of R, S, T). Alternately, the fourth switching stage is always the first priority direct type power supply automatic switching characterized in that for switching between one of the commercial power through the one phase and the emergency power through the one phase (one of R, S, T) Device. The emergency load of claim 23, wherein an emergency load that needs to be operated even when emergency power is turned on is connected between the first output terminal and the second output terminal, and an always-used emergency light is connected between the first output terminal and the fourth output terminal. Always priority oriented type power automatic switching device characterized in that. 25. The apparatus of claim 24, wherein one end is connected to the first output terminal and the other end is commonly connected to the second output terminal and the third output terminal. The always-priority direct-type power automatic switching device, which is characterized in that the always-used combined evacuation space is connected. The apparatus of claim 25, wherein the emergency power is filtered through a noise filter that blocks noise, electromagnetic interference, or communication signal interference before being applied to the relay.

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