KR101375545B1 - Power saving system by cooling airconditioner outdoor machine - Google Patents

Abstract

The present invention relates to a power saving system by cooling the outdoor unit of an air conditioner. A technical problem to be solved is to maximize the cooling efficiency of an air conditioner and save electrical energy by spraying minute water particles outside an outdoor unit and lowering the temperature of the outdoor unit and the temperature of inflow air. For the purpose, one embodiment of the present invention provides a power saving system by cooling the outdoor unit of an air conditioner, comprising a spray nozzle part attached to the outdoor unit of an air conditioner installed outdoor to exchange heat and spraying minute water particles via the operation of a spray pump installed on a water supply pipe for supplying water; a spray pump for supplying water to the spray nozzle part at a certain pressure; a buffer tank placed at the fore-end of the spray pump; and a first filter part for purifying water so that filtered water can be supplied to the spray pump and the buffer tank. [Reference numerals] (1) Power supply part; (10) Indoor unit; (100) Power saving part; (20) Outdoor unit; (21) Temperature sensor part; (22) Raw water supply part; (23) Recycling part; (30) Spray control unit; (31) Switch part; (40) First filter part; (50) Pressure pump; (60) Second filter part; (70) Buffer tank; (80) Spray pump; (AA) First nozzle; (BB) Second nozzle; (CC) Third nozzle

Description

Power saving system by cooling outdoor unit of air conditioner {POWER SAVING SYSTEM BY COOLING AIRCONDITIONER OUTDOOR MACHINE}

One embodiment of the present invention relates to a power saving system by cooling an outdoor unit of an air conditioner.

The air conditioner outdoor unit consists of three parts, a compressor, a condenser, and a condenser motor.The compressor takes the refrigerant evaporated from the air conditioner in the room and compresses it into compressed gas of high temperature and high pressure. When this gas passes through the condenser, the condensation motor sucks external cold air and lowers the temperature of the condenser.

Here, the key to outdoor units is that cold air must continue to be fed to the condenser. However, since warm air warmed by the surrounding environment, which is heated in summer, is supplied to the condenser, the condensation efficiency is significantly lowered, thereby preventing the cooling of air from the air conditioner in the room, thereby increasing power consumption.

In general, the conventional air conditioner system uses an inverter control method and a Tandem Clooing System (TCS) method to reduce power energy of the air conditioner system.

The inverter method is a method of changing the capacity by adjusting the number of revolutions of the compressor, a method of increasing the outdoor unit efficiency by varying the capacity in a single compressor 10 to 160% depending on the situation. This inverter type can only reduce the power consumption by operating only 10% of the compressor when less cooling is needed, and up to 160% of the compressor when strong cooling is required.

The TCS method is a method of controlling the capacity by varying the number of operating compressors using a plurality of compressors, the compact and large two compressors are equipped to operate both small, large, small and large depending on the operating conditions, By varying the operation of the compressor, it is possible to reduce power consumption while cooling only as much as necessary for the required part.

However, since the inverter and the TCS method reduce the power consumption by operating the compressor according to the indoor temperature according to the situation, the efficiency of the outdoor unit is lowered by the surrounding environment as described above, and thus the cooling efficiency of the indoor is lowered, and the compressor capacity is also reduced. There was a problem in that the air-conditioning power saving rate is lowered to maximize use. In addition, the inverter and the TCS system, the air warmed by the summer or the ambient environment is introduced to reduce the efficiency of the condenser, the cooling speed of the air conditioner in the room is significantly reduced, thereby increasing the air conditioning operating time There was this.

In addition, in the conventional air conditioner system, when the condenser is not condensed smoothly, the air conditioner pressure increases, and as the operating time of the compressor increases as the pressure increases, the noise of the outdoor unit may increase, and the pressure inside the air conditioner is increased. In the case of going up, there is a case in which the power is cut off for the protection of the compressor itself.

Republic of Korea Patent Publication No. 10-2010-0062713 'Power saving type high efficiency air conditioner' Republic of Korea Patent Publication No. 10-2004-0085963 'Power supply device of the outdoor unit of the air conditioner'

One embodiment of the present invention by injecting fine water particles to the outside of the outdoor unit, by allowing the ambient air cooled by the injected fine water particles to flow into the outdoor unit, thereby increasing the heat exchange efficiency of the outdoor unit, the cooling ability of the air conditioner installed in the room By reducing the operating time of the air conditioner by reducing the power consumption can be reduced, thereby providing a power saving system by cooling the outdoor unit of the air conditioner to improve the durability of the device.

Power saving system by cooling the outdoor unit of the air conditioner according to an embodiment of the present invention is attached to the air conditioner outdoor unit is installed outdoors for the exchange of temperature, the fine water particles by the operation of the injection pump installed in the water supply pipe A spray nozzle unit for spraying; An injection pump supplying water at a specific pressure to the spray nozzle unit; A buffer tank located in front of the injection pump; And a first filter unit for refining the filtered water to be supplied to the injection pump and the buffer tank.

The system includes a second filter unit for purifying impurities contained in the filtered water once more; And a pressure pump to help filter by applying a constant pressure to the second filter part and supply water to the injection pump and the buffer tank at a constant pressure to the purified water through the second filter part.

The spray nozzle unit may include a valve that opens or closes according to the operation of the outdoor unit.

The injection pump may include a pressure maintaining device for maintaining a constant pressure that varies depending on the number of injection of the spray nozzle portion.

The pressure maintaining device may include a pressure switch and a device for maintaining a pressure by sensing a flow amount of a pressure gauge or a fluid.

The system may further include a temperature monitor value so that the injection pump can operate when the external temperature is above the set temperature.

The system may further include a recycle part to reuse a predetermined amount of water that is not filtered in the second filter part.

The recycle portion may include a separate valve and each valve to adjust the amount of wastewater to recycle a certain amount.

The system may further include a pressure switch that monitors the pressure of the purified water filled in the buffer tank by the pressure pump, stops the pressure pump when a certain pressure is reached, and operates the pressure pump when the pressure in the buffer tank falls below a certain pressure. have.

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The system further includes an injection controller provided in a room where an air conditioner indoor unit is disposed to control operations of the spray nozzle unit and the filtering unit, wherein the injection controller is electrically connected to a temperature sensor unit provided at one side of the air conditioner outdoor unit. When the temperature sensed by the temperature sensor is greater than or equal to the reference temperature, the spray nozzle unit may be automatically driven.

The injection controller includes a power supply unit for receiving power; And a power saving unit provided between the power supply unit and the injection controller.

The power saving unit may include a switching power supply circuit configured to receive a power voltage rectified by AC power from the power supply unit to generate a first output voltage and a second output voltage; A voltage divider circuit electrically connected to the switching power supply circuit and configured to receive the second output voltage to generate a divided voltage; A control circuit electrically connected to the voltage divider circuit and operated by the divided voltage, the control circuit including a control transistor; A charging circuit electrically connected to the control circuit and operated by the control circuit, the charging circuit comprising a booster transistor; An electric double layer capacitor electrically connected to the charging circuit, the electric double layer capacitor charging the electric energy by the charging circuit; A voltage detector connected in parallel to the electric double layer capacitor and measuring a charging voltage of the electric double layer capacitor; A control switch electrically connected to the control circuit and operated by the control circuit, the control switch including a first switching transistor; A main switch which is operated by the control switch to control the operation of the switching power supply circuit and includes a second switching transistor and a wired-OR circuit; A photo coupler for controlling the operation of the main switch in response to a command of the device apparatus operated by the first output voltage; And a first capacitor connected in parallel to a second switching transistor of the main switch, wherein the first capacitor uses the current flowing through the first capacitor when the electronic device is first connected to an AC power source. It can be operated.

The second switching transistor is operated by a logical sum of an output of the photo coupler, an output of the voltage detector and an output of the control circuit, and the voltage detector operates the main switch when the charging voltage is lower than the lowest charging voltage. And a hysteresis circuit electrically connected between the voltage dividing circuit and the control switch, wherein the hysteresis circuit may add hysteresis characteristics to the control circuit.

The power saving system by cooling the outdoor unit of the air conditioner according to an embodiment of the present invention, unlike the conventional inverter-type air conditioner that optimizes the control in the outdoor unit, injects fine water particles to the outside of the outdoor unit, by the injected fine water particles By allowing the cooled ambient air to flow into the outdoor unit, the heat exchange efficiency of the outdoor unit can be increased, and the cooling capacity of the air conditioner installed indoors can be improved to reduce the power consumption by reducing the operating time of the air conditioner, thereby improving the durability of the device. You can.

1 is a block diagram illustrating a power saving system through cooling an outdoor unit of an air conditioner according to an exemplary embodiment of the present invention.
FIG. 2 is a diagram schematically illustrating a power saving system through cooling an outdoor unit of the air conditioner of FIG. 1.
FIG. 3 is a view briefly illustrating an example of a state in which a sub configuration for fine water particle injection is mounted in the outdoor unit of FIG. 1.
FIG. 4 is a diagram schematically illustrating an example of a state in which a sub configuration for spraying fine water particles is mounted outside the outdoor unit of FIG. 1 as another embodiment of FIG. 3.
5 is a circuit diagram illustrating the power saving unit of FIG. 1.

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in which those skilled in the art can readily implement the present invention.

1 is a block diagram showing a power saving system through the outdoor unit cooling of the air conditioner according to an embodiment of the present invention, Figure 2 is a view schematically showing a power saving system through the outdoor unit cooling of the air conditioner of Figure 1, Figure 3 1 is a view schematically illustrating an example of a state in which a sub configuration for spraying fine water particles is installed in the outdoor unit of FIG. 1, and FIG. 4 is another embodiment of FIG. 3, and the fine water particle injection is performed outside the outdoor unit of FIG. 1. FIG. 5 is a view schematically illustrating an example of a state in which a sub configuration for a device is mounted, and FIG. 5 is a circuit diagram illustrating a power saving unit of FIG. 1.

As shown in Figs. 1 and 2, the present invention has a spray controller 30 disposed in a position close to the indoor unit 10 of the air conditioner (i.e., a building interior in which the indoor unit 10 is installed), and the exchange of temperature. The outdoor unit 20 is installed outdoors for this purpose.

In addition, there is a spray nozzle unit 90 attached to the outdoor unit 20 to spray fine water particles through a water supply pipe and a plurality of nozzles. In the present invention, it is possible to cool by dropping the temperature of the outdoor unit 20 of the air conditioner in this manner. That is, the present invention is applied to (ie mounted) the air conditioner divided into the indoor unit 10 and the outdoor unit 20 is used.

The power saving system through the outdoor unit cooling of the air conditioner of the present invention is largely the outdoor unit 20, the injection controller 30, the filtering unit 40, 60, the compression pump 50, the buffer tank 70, the injection pump 80 ) And a spray nozzle unit 90.

The outdoor unit 30, as shown in Figure 3 and 4, may be largely composed of a compressor, a condenser and a condensation motor. The compressor takes the refrigerant evaporated from the air conditioner in the room and compresses it into a compressed gas of high temperature and high pressure and sends it to the condenser. When the gas passes through the condenser, the condenser motor sucks external cold air to lower the temperature of the condenser. Play a role.

The injection controller 30 is installed in contact with or in proximity to the indoor unit 10 of the air conditioner and is driven by the power supplied from the separate power supply unit 1. However, the injection controller 30 in this invention may operate together when operating the indoor unit 10 of an air conditioner. When the air conditioner is operated while repeating condensation and expansion, heat exchange occurs in the outdoor unit 20. That is, the outdoor unit 20 is a very high temperature flows through the high-temperature refrigerant during heat exchange, the present invention is water (filtered raw water or waste water) through the injection controller 30 on the outer surface of the outdoor unit 20 in the high temperature state as described above By spraying the outdoor unit 20 is cooled.

On the other hand, the injection controller 30 includes a power saving unit 100 installed between the power supply unit (1). In the present invention, the power loss unit 100 may form zero power loss when the injection controller 30 is in the standby state. The structure and operation of the power saving unit 100 will be described in detail in FIG. 5 and the description thereof.

The injection controller 30 is provided at one side of the outdoor unit 20 and connected to a temperature sensor unit 21 capable of sensing the temperature of the outdoor unit 20. Accordingly, the injection controller 30 automatically controls the water supply pipe, the injection pump 80 and the spray nozzle unit 90 when the temperature detected by the temperature sensor unit 21 is equal to or higher than the preset reference temperature, and sprays the spray. Water is sprayed on the outer surface of the outdoor unit 20 through a plurality of spray nozzles constituting the nozzle unit 90. That is, in the present invention, the user automatically monitors the temperature of the outdoor unit 20 and the operation of the outdoor unit 20 by the temperature sensor unit 21 without additional manipulation and opens or opens the nozzle valve 81 based on this. The outdoor unit 20 of high temperature can be cooled automatically by opening and closing. In the injection controller 30 or the temperature sensor unit 21, a reference temperature for operating the spray nozzle unit 90 is set in advance. In addition, the injection controller 30 is connected to the switch unit 31, so that the above-described operation can be automatically implemented through the on-off operation of the switch unit 31 by the user.

The filtering units 40 and 60 are installed at one side of the water supply pipe to filter raw water supplied from the outside.

More specifically, the filtering unit 40, 60 may include a first filter unit 40 provided between the injection controller 30 and the pressure pump 50, the pressure pump 50, the buffer tank 70, or the like. It includes a second filter unit 60 provided between the injection pump (80). That is, the first filter unit 40 supplies the raw water supplied from the raw water supply unit 22 connected to one side to the pressure pump 50 by adding a specific material to prevent impurities from being removed, water, or rust. The second filter unit 60 filters the filtered raw water supplied from the pressure pump 50 or the water re-supplied from the recycle unit 23 connected to one side to the second buffer tank 70 or the injection pump 80. To supply.

The second filter unit 60 is composed of a plurality of reverse osmosis filters, to filter the raw water or waste water in a reverse osmosis method.

In the present invention, the impurities contained in the raw water are removed, sterilized, and rust-prevented through the first filter unit 40, and the pressure of the water passing through the first filter unit 40 through the pressure pump 50 is increased. Next, the fine filter (for example, the mineral component) contained in the water passing through the pressure pump 50 is filtered through the second filter unit 60.

The buffer tank 70 is installed between the second filter unit 60 and the injection pump to temporarily store the raw water or wastewater filtered by the second filter unit 60, and then supply it to the injection pump 80.

The injection pump 80 is installed on one side of the buffer tank 70 to help the movement of the water flowing from the buffer tank to the spray nozzle unit 90.

The spray nozzle unit 90 ejects fine water particles to the outer surface of the outdoor unit 20 through a plurality of nozzles mounted at each end, so that the refrigerant flowing in the outdoor unit 20 takes heat at a higher speed and exchanges heat. This can be achieved. In the present invention, the fine water particles injected through the spray nozzle unit 90 is partially vaporized to primarily cool the air around the outdoor unit. At this time, the fine water particles that are not vaporized touch the cooling fin of the heated outdoor unit to vaporize. As a result, the outdoor unit can be secondarily cooled.

On the other hand, the front of the spray nozzle unit 90 is provided with a plurality of nozzle valve (Nozzle Valve) 81 for controlling the injection operation of each nozzle by the control of the injection controller 20.

The second filter unit 60, the injection pump 80 and the nozzle valve 81 may be mounted inside the outdoor unit 20 as shown in FIG. 3, or may be mounted outside the outdoor unit 20 as shown in FIG. In this case, the spray nozzle units 90a and 90b may be driven.

To describe the operation between the spray tank unit 90 from the buffer tank 70 in more detail, first, the buffer tank 70 is a pressure applied by the pressure pump 50 to the water passing through the second filter unit 60 Save by. At this time, when constant water is stored in the buffer tank 70, the pressure of the flow path from the outlet of the second filter unit 60 is increased, and the pressure switch (HPS; High Pressure Switch of FIG. 2) monitors the pressure. ) Is opened and the pressure pump 50 is stopped and water storage in the buffer tank 70 is also stopped.

The water stored in the buffer tank 70 has a constant pressure to the nozzle valve 81 located at the front end of the spray nozzle of the spray nozzle unit 90 by the injection pump 80 when the temperature sensor unit 21 reaches a predetermined temperature or more. Sent and maintained.

The nozzle valve 81 positioned in front of the spray nozzle is opened when the outdoor unit 20 is operated, and passes through one or a plurality of spray nozzles installed around the outdoor unit 20 at a constant pressure by the injection pump 80. Sprayed by water particles.

In addition, when the water filled in the buffer tank 70 is emptied by a predetermined amount by the injection pump 80 according to the operation of the outdoor unit 20, the pressure switch is opened and closed to operate the pressure pump 50, the first Water filtered by the filter unit 40 is passed through the second filter unit 60 to be supplied to the injection pump 80 to inject fine water particles through the spray nozzle and at the same time a constant amount of water into the buffer tank 70. Fill as much.

When a predetermined amount of water is filled in the buffer tank 70, the pressure pump 50 is stopped by a pressure switch, and the water filled in the buffer tank 70 is turned into fine water particles by the injection pump 80 and the spray nozzle. When the operation of the outdoor unit 20 is stopped while spraying, the nozzle valve 81 positioned at the front end of the spray nozzle is opened and closed to stop the spraying of water particles, and the spraying state of the water particles is in a standby state.

Although reference numerals are not specified, various measuring gauges are provided at the front ends of the filtering units 40 and 60, the compression pump 50, the buffer tank 70, the injection pump 80 and the spray nozzle unit 90. (gauge) or on-off valves and the like can be installed. Since these configurations correspond to known configurations, descriptions of operations and functions of the respective configurations will be omitted.

Therefore, according to the power saving system through the outdoor unit cooling of the air conditioner according to an embodiment of the present invention configured as described above, unlike the conventional air conditioner of the conventional inverter method to optimize the inside of the outdoor unit, and sprays fine water particles to the outside of the outdoor unit In addition, by allowing the ambient air cooled by the fine water particles to be injected into the outdoor unit, the heat exchange efficiency of the outdoor unit can be increased, and the cooling capacity of the air conditioner installed in the room can be improved to reduce the power consumption by reducing the operating time of the air conditioner. As a result, the durability of the device can be improved.

Referring to FIG. 5, the power saving unit 100 used in a power saving system through cooling an outdoor unit of an air conditioner according to an embodiment of the present invention includes a switching power supply circuit (SMPS), a charging circuit 110, and a control switch 120. ), Voltage divider circuit 130, control circuit 140, hysteresis circuit 150, electric double layer capacitor (EDLC), voltage detector 160, main switch 170, photocoupler 180, and first capacitor (C1). The AC power supply 1 and the apparatus 3 in FIG. 3 mean the power supply 1 and the injection controller 30 in FIGS. 1 and 2.

The switching power supply circuit SMPS receives the power supply voltage V1 rectified by the AC power supply 1 through the rectifying circuit 20 to generate a first output voltage V2 and a second output voltage V3. When the voltage of the sixth terminal ⑥ is lower than the set value while the power supply voltage V1 is supplied to the first terminal ① of the switching power supply circuit SMPS, the first terminal ① and the sixth terminal A voltage difference greater than the value set between terminals (⑥) occurs. Accordingly, the switching power supply circuit SMPS is operated to generate the first output voltage V2 between the second terminal ② and the fourth terminal ④, and the third terminal ③ and the fifth terminal ( ⑤) generates a second output voltage (V3). The switching power supply circuit SMPS receives the first output voltage V2 and the second output voltage V2 regardless of the voltage fluctuation within the range in which the voltage between the first terminal ① and the sixth terminal ⑥ is set. I can keep it stable. Here, the voltage between the first terminal ① and the sixth terminal ⑥ may be set to 100 ~ 300VDC. When the switching power supply circuit SMPS is operated, the second terminal ② supplies the first output voltage V2 to the device 3, and the third terminal ③ is the charging circuit 110 and the control switch ( The second output voltage V3 is supplied to the 120 and the voltage dividing circuit 130. The fourth terminal ④ of the switching power supply circuit SMPS is connected to the device ground 5, and the fifth terminal ⑤ is connected to the power ground 4. Here, the device ground (5) and the power ground (4) is electrically coupled while maintaining a high insulation state by the insulation transformer included in the switching power supply circuit (SMPS).

The charging circuit 110 charges the electric double layer capacitor EDLC. The charging circuit 110 includes a booster transistor Q1, a first resistor R1, a second resistor R2, and a third resistor R3. The booster transistor Q1 receives a charging current from the third terminal ③ of the switching power supply circuit SMPS to charge the electric double layer capacitor EDLC. The first resistor R1 to the third resistor R3 protect the booster transistor Q1 from overcurrent.

The control switch 120 controls the main switch 170. The control switch 120 includes a first switching transistor Q2 and a fourth resistor R4. When the switching power supply circuit SMPS is momentarily activated to generate the second output voltage V3, the control transistor Q3 is turned on. When the control transistor Q3 is turned on, the first switching transistor Q2 is turned on. Is on. When the first switching transistor Q2 is turned on, a current flows to the main switch 170 to turn on the second switching transistor Q4 of the main switch 170.

The voltage dividing circuit 130 sets an operating point of the control circuit 140. The voltage divider 130 includes a fifth resistor R5 and a sixth resistor R6, and the fifth resistor R5 and the sixth resistor R6 are connected in series. The voltage dividing circuit 130 receives the second output voltage V3 through the switching power supply circuit SMPS. The voltage dividing circuit 130 divides the second output voltage V3 to generate a voltage dividing voltage VB, and supplies the voltage dividing voltage VB to the control circuit 140.

Meanwhile, when the control transistor Q3 of the control circuit 140 is turned off, the first divided voltage VB1 is determined by Equation 1 below. At this time, the base current of the control transistor Q3 is ignored.

[Equation 1]

VB1 = R6 * V3 / (R5 + R6)

Further, when the control transistor Q3 of the control circuit 140 is in a turned-on state, the second divided voltage VB2 is determined by the equation (2). At this time, the base current of the control transistor Q3 is ignored.

&Quot; (2) "

V2 = R6 * {V3 / (R5 + R6)} + R6 * {(V3 - VCE2 - VF2) / (R7 +

VB2 = VB1 + R6 * {(V3 - V CE2 - VF2) / (R7 + R6)}

Here, VCE2 represents the voltage drop between the collector emitters when the first switching transistor Q2 is turned on, and VF2 represents the forward voltage drop of the first diode D1.

Therefore, the second divided voltage VB2 is higher than the first divided voltage VB1.

The control circuit 140 controls the charging circuit 110 and the control switch 120. The control circuit 140 includes a control transistor Q3. When the control transistor Q3 is turned on, the booster transistor Q1 of the charging circuit 110 and the first switching transistor Q2 of the control switch 120 are turned on. In addition, when the control transistor Q3 is turned off, the booster transistor Q1 of the charging circuit 110 and the first switching transistor Q2 of the control switch 120 are turned off. The booster transistor Q1 and the first switching transistor Q2 are controlled by the control transistor Q3, but are separated from each other by the second resistor R2 and the fourth resistor R4 and thus do not influence each other. Do not.

The base voltage of the control transistor Q3 is determined by the divided voltage VB of the divided circuit 130. In addition, the emitter voltage of the control transistor Q3 is determined by the charging voltage VC of the electric double layer capacitor EDLC. Therefore, the turn-on or turn-off state of the control transistor Q3 can be determined by the relationship between the divided voltage VB and the charge voltage VC. That is, when the value obtained by subtracting 0.6V from the divided voltage VB is greater than the charging voltage VC, the control transistor Q3 is turned on (VB-0.6V> VC). In addition, when the value obtained by subtracting 0.6V from the divided voltage VB is smaller than the charging voltage VC, the control transistor Q3 is turned off (VB-0.6V <VC). Here, 0.6V refers to the base-to-actor forward voltage required for the control transistor Q3 to turn on.

Using the above facts, the hysteresis voltage VH1 and the maximum charge voltage VH2 can be set as shown in the following equation (3).

&Quot; (3) &quot;

VH1 = VB1 - 0.6V

VH2 = VB2 - 0.6V

Here, the hysteresis voltage VH1 refers to a charge resuming voltage at which charging of the electric double layer capacitor EDLC is resumed when the control transistor Q3 is turned off, and the highest charge voltage VH2 is defined as the control transistor Q3. It refers to the charge stop voltage when charging of the electric double layer capacitor (EDLC) proceeds in the turn-on state. In addition, 0.6V refers to the base-to-actor forward voltage required for the control transistor Q3 to turn on.

The hysteresis circuit 150 adds hysteresis characteristics to the control circuit 140. The hysteresis circuit 150 includes a first diode D1 and a seventh resistor R7.

The electric double layer capacitor EDLC stores electric energy. The electric double layer capacitor EDLC may store electrical energy through the charging circuit 110.

The voltage detector 160 is connected in parallel with the electric double layer capacitor EDLC to detect the charging voltage VC of the electric double layer capacitor EDLC. The voltage detector 160 operates the main switch 170 by flowing a current from the electric double layer capacitor EDLC when the charge voltage VC of the electric double layer capacitor EDLC is lower than the set minimum charge voltage VL. In addition, the voltage detector 160 blocks the current supplied to the main switch 170 when the charging voltage VC of the electric double layer capacitor EDLC is higher than the minimum charging voltage VL.

The main switch 170 drives the switching power supply circuit SMPS. The main switch 170 includes a second switching transistor Q4 and a wired OR circuit. The wired OR circuit includes an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, and an eleventh resistor R11. The wired OR circuit operates the second switching transistor Q4 by the OR of the currents supplied from the first switching transistor Q2, the voltage detector 160, and the photo coupler 180. That is, the second switching transistor Q4 is turned off when there is no current supplied from the first switching transistor Q2, the voltage detector 160, and the photo coupler 170, and the voltage of the first switching transistor Q2 is reduced. Any one of the detector 160 and the photo coupler 170 is turned on when the current is supplied.

The photo coupler 180 receives the turn on command from a control circuit (not shown) on the device ground 5 side, and flows a current from the electric double layer capacitor EDLC to operate the main switch 170 and turn on command. When this is stopped, the main switch 170 is stopped by cutting off the current supplied from the electric double layer capacitor EDLC.

The first capacitor C1 is connected in parallel to the main switch 170, and instantaneously operates the switching power supply circuit SMPS when the power cord is first connected to the AC power source 10. In detail, the first capacitor C1 is connected to the second switching transistor Q4 in parallel. When the electronic device is first connected to the AC power source 10, the first capacitor C1 is charged and the switching power supply circuit SMPS enters a short operating state by a transient current. After a predetermined time has passed, the transient current no longer flows when the charging of the first capacitor C1 is completed.

Until the first capacitor C1 is fully charged, the charging voltage VC1 of the first capacitor C1 is determined by Equation 4 below. At this time, the current IS passing through the first terminal ① and the sixth terminal ⑥ of the switching power supply circuit SMPS is independent of the voltage variation between the first terminal ① and the sixth terminal ⑥. Suppose you keep a fixed value.

&Quot; (4) &quot;

VC1 = IS * t / C

Here, t is the charging time and C is the capacitance of the first capacitor (C1).

Accordingly, the switching power supply circuit SMPS is formed by the minimum voltage Von and the first capacitor C1 between the first terminal ① and the sixth terminal ⑥ in which the switching power supply circuit SMPS can maintain operation. The relationship with the time (ton (SMPS)) that can continue the operation is determined by the following equation (5).

&Quot; (5) &quot;

ton (SMPS) = {(V1-Von) * C} / IS

In order for the switching power supply circuit SMPS to maintain an operating state irrespective of the first capacitor C1, a base current is supplied to the control transistor Q3 so that the control transistor Q3 is turned on to generate the current IQ3. Until the time of ton Q3, the time of ton Q2 until the first switching transistor Q2 is turned on by the control transistor Q3 to generate the current IQ2, and the time of the first switching transistor Q2. As a result, the time of ton Q4 is required until the second switching transistor Q4 is turned on to generate the current IQ4. That is, the operating state of the switching power supply circuit SMPS is momentarily operated to generate the second output voltage V1 and to supply the base current to the control transistor Q3. The time tx necessary to be able to maintain is determined by the following equation (6).

&Quot; (6) &quot;

tx = ton (Q3) + ton (Q2) + ton (Q4)

Accordingly, in order for the power saving apparatus 100 to operate smoothly, the following Equation 7 must be satisfied.

[Equation 7]

tx <ton (SMPS)

C> (tx * IS) / (V1-Von)

Therefore, the power saving device used in the power saving system through the outdoor unit cooling of the air conditioner according to an embodiment of the present invention as described above is provided with a capacitor connected in parallel with the main switch, so that the injection controller 30 is first connected to the AC power source. When connected, the switching power supply circuit can be driven by the current flowing through the capacitor. Accordingly, the power saving apparatus sets the power loss observed in the AC power supply to '0' when the injection controller 30 is in the standby state without using the starter circuit when the electric double layer capacitor (EDLC) is not charged. Can be.

What has been described above is just one embodiment for implementing a power saving system by cooling the outdoor unit of the air conditioner according to the present invention, the present invention is not limited to the above embodiment, as claimed in the claims below Without departing from the gist of the present invention, anyone of ordinary skill in the art will have the technical spirit of the present invention to the extent that various modifications can be made.

1: power supply unit 10: indoor unit
20: outdoor unit 21: temperature sensor
22: raw water supply unit 23: Recycle unit
30: injection controller 31: switch unit
40: first filter portion 50: pressure pump
60: second filter unit 70: buffer tank
80: injection pump 90: spray nozzle
100: power saving unit

Claims (14)

delete delete delete delete delete delete delete delete A spray nozzle unit 90 attached to an air conditioner outdoor unit 20 installed outdoors for exchanging temperature, for injecting fine water particles by an operation of an injection pump installed in a water supply pipe to which water is supplied; An injection pump 80 for supplying water at a specific pressure to the spray nozzle unit 90; A buffer tank 70 located at the front end of the injection pump 80; And a first filter part 40 for refining the filtered water to be supplied to the injection pump 80 and the buffer tank 70.
A second filter unit 60 for further purifying impurities contained in the filtered water; And applying a constant pressure to the second filter unit 60 to help filtering and supplying the purified water through the second filter unit 60 to the injection pump 80 and the buffer tank 70 at a constant pressure. It is further provided with a pressure pump (50) to;
The pressure of the purified water filled in the buffer tank 70 by the pressure pump 50 to stop the pressure pump 50 when reaching a constant pressure and when the pressure of the buffer tank 70 falls below a certain pressure pressure pump ( 50) The power saving system through the outdoor unit cooling further comprises a pressure switch for driving. delete delete delete A spray nozzle unit 90 attached to an air conditioner outdoor unit 20 installed outdoors for exchanging temperature, for injecting fine water particles by an operation of an injection pump installed in a water supply pipe to which water is supplied; An injection pump 80 for supplying water at a specific pressure to the spray nozzle unit 90; A buffer tank 70 located at the front end of the injection pump 80; And a first filter part 40 for refining the filtered water to be supplied to the injection pump 80 and the buffer tank 70.
A second filter unit 60 for further purifying impurities contained in the filtered water; And applying a constant pressure to the second filter unit 60 to help filtering and supplying the purified water through the second filter unit 60 to the injection pump 80 and the buffer tank 70 at a constant pressure. It is further provided with a pressure pump (50) to;
And an injection controller (30) provided in the room where the air conditioner indoor unit (10) is disposed to control operations of the spray nozzle unit (90) and the first and second filtering units (40, 60). 30 is electrically connected to the temperature sensor unit 21 provided at one side of the air conditioner outdoor unit 20, and automatically sprays the spray nozzle unit when the temperature detected by the temperature sensor unit 21 is equal to or higher than a reference temperature. 90);
The injection controller 30 includes a power supply unit 1 for receiving power; And a power saving unit (100) provided between the power supply unit (1) and the injection controller (30);
The power saving unit 100,
A switching power supply circuit (SMPS) configured to receive a power supply voltage rectified by AC power from the power supply unit (1) to generate a first output voltage and a second output voltage;
A voltage divider circuit 130 electrically connected to the switching power supply circuit SMPS and configured to receive the second output voltage to generate a divided voltage;
A control circuit 140 electrically connected to the voltage dividing circuit 130 to operate by the voltage dividing voltage and including a control transistor;
A charging circuit 110 electrically connected to the control circuit 140 and operated by the control circuit 140 and including a booster transistor Q1;
An electric double layer capacitor (EDLC) electrically connected to the charging circuit 110 to charge electrical energy by the charging circuit 110;
A voltage detector (160) connected in parallel to the electric double layer capacitor (EDLC) and measuring a charging voltage of the electric double layer capacitor (EDLC);
A control switch 120 electrically connected to the control circuit 140 and operated by the control circuit 140 and including a first switching transistor Q2;
A main switch 170 operated by the control switch 120 to control an operation of the switching power supply circuit SMPS and including a second switching transistor Q4 and a wired or circuit;
A photo coupler (180) for controlling the operation of the main switch (170) according to a command of the voltage dividing controller (30) operated by the first output voltage; And
A first capacitor C1 connected in parallel to the second switching transistor Q4 of the main switch 170;
The first capacitor C1 operates the switching power supply circuit SMPS by using a current flowing in the first capacitor C1 when the voltage dividing controller 30 is first connected to an AC power source. Power saving system through outdoor unit cooling. 14. The method of claim 13,
The second switching transistor Q4 operates by a logical sum of an output of the photo coupler 180, an output of the voltage detector 160, and an output of the control circuit 140.
The voltage detector 160 operates the main switch 170 when the charging voltage is lower than the lowest charging voltage.
Further comprising a hysteresis circuit 150 electrically connected between the voltage dividing circuit 130 and the control switch 120, the hysteresis circuit 150 is a hysteresis characteristic to the control circuit 140 Power saving system by cooling the outdoor unit of the air conditioner, characterized in that the addition.

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