KR102672459B1 - Industrial Electric Heated Humidifier - Google Patents

Abstract

The present invention is equipped with a plurality of humidification units, a DDC converter and a main controller that control the humidification units, and a remotely controlled water supply valve and drain pump, so that indoor humidity can be quickly and cleanly managed and maintained. This relates to an industrial electrically heated humidifier that is easy to repair.

Description

Industrial Electric Heated Humidifier}

The present invention relates to an industrial electrically heated humidifier. More specifically, it is provided with a plurality of humidifying units that supply steam generated by heating an electric heater to the outside through a steam outlet, and the power supply of the humidifying units is driven according to humidifying conditions. It controls the supply, and is provided with a water level sensor on the outside of the humidifying unit to detect the water level of the humidifying unit, and a drainage pump to discharge sludge to the outside, so that humidity can be maintained at a stable water level, and the concentration changes to prevent contamination. This relates to an industrial electrically heated humidifier that can maintain cleanliness by draining fresh water at regular intervals.

In general, humidifiers include ultrasonic humidifiers using a vibrator, evaporative humidifiers that supply water to a filter and then blow air, heating humidifiers, and complex humidifiers that supply water vapor by using a mixture of the ultrasonic and heating humidifiers.

Industrial humidifiers are used when a specific humidity level must be maintained to prevent static electricity generation, preserve material properties, and provide a comfortable and healthy environment for workers or occupants.

The American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) has traditionally recommended a range of 45 to 55 percent RH for data centers to prevent sparks that can damage IT equipment, with relative humidity below 45 percent causing friction. Static electricity and sparks may occur due to this, and static electricity is generated at a low level between 45% and 55% relative humidity, while static electricity is prevented from occurring when the relative humidity exceeds 55%.

As such, industrial humidifiers are used not only in semiconductors and hospital operating rooms, but also in various industries such as packaging, printing, paper, plastics, textiles, electronic devices, automobile manufacturing, and medicine.

As a related prior art, Korean Patent No. 10-0915213 (August 23, 2009) discloses a control device and control method for a direct spray vaporization humidifier in a clean room.

The prior art includes a detection unit installed in the clean room to detect the current humidity state of the clean room and output it as an electrical signal; a main control unit that receives a signal transmitted from the sensor and a signal corresponding to a preset target value, performs proportional, integral, and differential PID (Proportional Integral Differential) operations and outputs a calculated value; a step control unit that outputs multi-stage signals corresponding to the calculation values by a program set based on the calculation values from the main control unit; and a plurality of output units that are controlled on/off by receiving multi-stage signals from the stage control unit,

The step control unit turns off all of the plurality of output units or turns on at least one of them in response to the output signal from the main control unit, or turns on all of the plurality of output units so that the humidification amount of the clean room is adjusted to the signal of the detection unit. Control it to change in response,

A plurality of driving units are installed in the clean room corresponding to the plurality of output units and each sprays ultra-pure water according to a signal from the output unit, and the plurality of driving units include a plurality of driving units that spray a dual fluid of ultra-pure water and compressed air. The compressed air piping of the injection nozzle is characterized by including a plurality of solenoid valves that open and close according to the multi-stage output signal of the output unit.

However, in the above-described prior art, the amount of humidity provided by default is fixed and a plurality of output units are turned on and off through PID control, so if the amount of humidity control exceeds the amount of humidity provided by default, a separate humidifier must be added. There was a problem.

In addition, the above-described prior art had a problem in that it could not be applied to various industrial sites because it had to use only ultrapure water.

The present invention was created to solve the problems of the prior art as described above. The purpose of the present invention is to provide a plurality of humidification units to quickly respond to the humidification conditions of the humidification target, and to purify the condensate returning to the humidification units at a set cycle. The aim is to provide an industrial electrically heated humidifier that can provide a healthy environment for workers by discharging steam in a clean state.

In order to achieve the above object, an industrial electrically heated humidifier according to the present invention is equipped with a humidifying panel equipped with a plurality of humidifying units, and a control panel for monitoring and controlling the operation of the humidifying panel,

The control panel includes a level sensor that monitors the water level of the humidification unit and a plurality of DDC converters through which signals from a humidity sensor that detects external humidity are input; a main controller that receives a sensor signal input through the DDC converter, determines an operating state of the humidification unit, and transmits a control signal for controlling the operation of the humidification unit through the DDC converter; A touch screen connected to the main controller via RS485 to display the operating status of the humidification unit, the water level level, and the humidification status of the room, and to receive operation commands from the operator and transmit them to the main controller; A transformer that converts and supplies voltage to drive the humidifying unit, a circuit protector that cuts off the power of the transformer in an emergency, an electromagnetic contactor that turns on and off the power that has passed through the circuit protector according to a signal from the main controller, and the electronic It is characterized in that it is provided with a distributor that distributes and supplies power that has passed through a contactor to the humidifying unit, and a power supply unit that includes a fuse to block overcurrent transmitted from the distributor.

The humidifying panel includes the humidifying unit; a water level control unit provided with a plurality of level sensors that detect the water level of the humidifying unit; A water supply valve that opens and closes to supply water to the humidification unit according to a signal from the water level control unit, a drain pump that discharges water from the humidification unit to the outside through a drain outlet, and a water supply valve and drain pump connected to the humidifier. It is characterized in that it is provided with a water supply and discharge tank that separates the water supplied to the unit from the external water supply pipe and performs an air vent function during drainage.

The humidifying unit includes a lower water tank in which water flowing in through the water supply and discharge tank is stored, a titanium heater that is inserted into the lower water tank and heated in an electric manner, and is coupled to both sides of the titanium heater to sense temperature. A PTC sensor, an upper cover coupled to the upper part of the lower water tank so that the PTC sensor and the power terminal of the titanium heater protrude upward, and a terminal cover coupled to the upper part of the upper cover to surround the upper part of the power terminal. become,

The upper cover and the terminal cover are characterized by being provided with a steam outlet through which moisture generated in the lower water tank is supplied to the outside.

At the upper end of the steam discharge port, a condensate hose is provided, which is connected to a steam hose connected to a steam nozzle that supplies the steam to the room, and is wound once and extended to discharge condensate condensed from the steam hose and the steam nozzle. It is characterized by

One outer surface of the lower water tank is characterized by an inspection door that opens and closes to manually remove the inside when contaminated with foreign substances, and a manual valve that discharges the water supplied to the lower water tank to the outside.

The DDC converter receives driving power from the SMPS, changes the voltage to allow the main controller to control the power supply, and transmits a signal.

The main controller is characterized by being equipped with a timer that sets the drain pump to operate at predetermined time intervals.

As such, the industrial electrically heated humidifier according to the present invention has the following effects.

First, it is equipped with a plurality of humidification units that heat the water in the lower water tank and convert it into steam so that the indoor humidity reaches the setting, and a plurality of DDC converters that transmit signals from the main controller that controls the humidification units. , It is easy to expand the humidification unit,

Second, it is equipped with a water level control unit that detects the water level of the humidifying unit mounted on the humidifying panel, a water supply valve that supplies water to the humidifying unit, a drainage pump that drains water, and a timer that operates the drainage pump at a set cycle. By doing so, it minimizes the level of pollution caused by steam supplied indoors and provides an environment suitable for improving the health of workers.

Third, by providing a steam hose and a condensate hose connected to the steam discharge port and the condensate water inlet provided in the humidification unit, energy efficiency is increased by preventing backflow of moisture supplied to the room,

Fourth, since an inspection door and a manual valve for opening and closing the water supply are provided on one outer surface of the lower water tank, maintenance of the lower water tank, such as easily removing blockages caused by fresh water or condensate, is facilitated.

1 is a diagram showing the overall appearance of an industrial electrically heated humidifier according to the present invention,
Figure 2 is a view showing the side and front of the electrically heated humidifier according to the present invention,
Figure 3 is a diagram explaining the power supply unit mounted on the control panel of the present invention;
Figure 4 is a perspective view explaining the configuration of the humidification unit according to the present invention,
Figure 5 is a front view illustrating the separated state of the humidification unit according to the present invention,
Figure 6 is a diagram explaining the steam hose and condensate hose according to the present invention.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the attached drawings.

As shown in FIGS. 1 to 6, the electrically heated humidifier according to the present invention includes a humidifying panel (1) on which a plurality of humidifying units (10) are mounted, and a device for monitoring and controlling the operation of the humidifying panel (1). A control panel (2) is provided,

The control panel (2) includes a level sensor that monitors the water level of the humidifying unit (10) and a plurality of DDC converters (40) into which signals from the humidity sensor that detect external humidity are input; A sensor signal input through the DDC converter 40 is received, the operating state of the humidification unit 10 is determined, and a control signal for controlling the operation of the humidification unit 10 is received through the DDC converter 40. a main controller (50) that transmits; A touch screen that is connected to the main controller 50 through RS485 communication and displays the operating status of the humidification unit 10, the water level level, and the humidification status of the room, and receives the operator's operating commands and transmits them to the main controller 50. (60) and; A transformer 71 that converts and supplies voltage to drive the humidifying unit 10, a circuit protector 72 that cuts off the power of the transformer 71 in an emergency, and a power supply that passes through the circuit protector 72. An electromagnetic contactor (73) that turns on and off according to a signal from the main controller (50), a distributor (74) that distributes and supplies power through the electromagnetic contactor (73) to the humidifying unit (10), and the distributor (74) ) is provided with a power supply unit (70) comprised of a fuse (75) that blocks overcurrent transmitted from

Here, two humidifying units (10) are connected to the DDC converter (40) to transmit signals, and the humidifying units (10) are preferably placed in the humidifying panel (1) so that they can be further expanded as needed. .

And, inside the humidifying panel (1), the humidifying unit (10); a water level control unit (20) equipped with a plurality of level sensors that detect the water level of the humidifying unit; A water supply valve 31 that opens and closes to supply water to the humidification unit 10 according to a signal from the water level control unit 20, and a drain pump that discharges water from the humidification unit 10 to the outside through a drain outlet. (32) and a water supply and discharge tank (33) connected to the water supply valve (31) and the drain pump (32) to separate the water supplied to the humidification unit (10) from the external water supply pipe and to perform an air vent function during drainage. A water supply/drain unit 30 is provided.

The level sensor of the water level control unit 20 detects the overwater level, high water level, and low water level and transmits it to the main controller 50 through the DDC converter 40, and the main controller 50 operates the water supply valve ( 31) controls the opening and closing.

In addition, the humidification unit 10 includes a lower water tank 11 in which water introduced through the water supply and discharge tank 33 is stored, and a titanium heater that is introduced into the lower water tank 11 and heated in an electric manner. 12), a PTC sensor 13 that is coupled to both sides of the titanium heater 12 and detects temperature, and the lower water reservoir so that the power terminals of the PTC sensor 13 and the titanium heater 12 protrude upward. An upper cover 14 coupled to the top of (11) and a terminal cover 15 coupled to the top of the upper cover 14 to surround the top of the power terminal are provided,

A steam outlet 16 through which moisture generated in the lower water tank 11 is supplied to the outside protrudes from the upper part of the upper cover 14 and the terminal cover 15.

Here, the steam outlet 16 is provided with a condensate hose 17a wound once and extended to discharge the condensed water condensed from the steam hose 16a and the steam nozzle 16b. Condensate remains inside the once-wound condensate hose 17a, and the remaining condensate blocks the inflow of steam.

On one outer surface of the lower water tank (11), there is an inspection door (11a) that opens and closes to manually remove the inside when contaminated with foreign substances, and a manual valve (11b) that opens and closes the supply of water to the lower water tank (11). By being provided, maintenance becomes easy.

Meanwhile, the DDC converter 40 receives driving power from the SMPS, changes the voltage to allow the main controller 50 to control the power supply unit 70, and transmits a signal. The industrial electrically heated humidifier of the present invention according to one embodiment includes six humidifying units (10) mounted on the humidifying panel (1), and a pair of units is connected to and controlled by one DDC converter (40).

In addition, the main controller 50 is equipped with a timer that sets the drain pump 32 to operate at predetermined time intervals, making it possible to maintain humidity more cleanly.

The operation of the industrial electrically heated humidifier according to the present invention configured as described above is as follows.

In the industrial electrically heated humidifier according to the present invention, as shown in FIGS. 1 to 6, a humidifying panel (1) and a control panel (2) are arranged adjacent to each other, and a plurality of humidifying panels (1) are installed inside the humidifying panel (1). Two humidification units 10 are mounted.

At this time, the amount of water supplied to the inside of the humidification unit 10 is controlled through the opening and closing of the water supply valve 33, and the sludge generated during the humidification process and the water with a reduced concentration are pumped at regular intervals by the drainage pump 32. By driving it and discharging it to the outside through the drain outlet, the steam generated by clean water can be stably supplied.

The water supply and discharge tank 33 coupled to the humidification unit 10 separates the water supplied to the humidification unit 10 from the external water supply pipe and performs an air vent function during drainage to remove the water remaining inside the humidification unit 10. air is expelled.

In addition, the drain pump 32 is driven manually as needed, where the operator transmits an operation command to the main controller 50 through the touch screen 60, and the main controller 50 operates the drain pump ( The on signal of 32) is transmitted through a separate relay (not shown).

Meanwhile, the touch screen 60 is equipped with a communication interface for communication with the outside, and the main controller 50 can also control the humidifying unit 10 installed at a distance through the communication interface.

And, inside the control panel (2), a DDC converter (40), a main controller (50), a touch screen (60), and a power supply unit (70) are mounted, and the power supply unit (70) is connected to the humidification unit (10). A circuit protector (72), an electromagnetic contactor (73), a distributor (74), and a fuse (75) are configured to stably control the supplied power.

The electromagnetic contactor 73 turns the power supplied to the titanium heater 12 on and off according to a signal from the main controller 50, and the distributor 74 supplies three-phase power to the humidification unit 10 equally for each phase. It is wired to be distributed.

Meanwhile, the humidification unit 10 includes a lower water tank 11 in which water is stored, a titanium heater 12 that is inserted into the lower water tank 11 and heated in an electric manner, and the titanium heater 12. By providing a PTC sensor 13 that turns on and off to operate at a set temperature, the water supplied to the lower water tank 11 is electrically heated to supply steam.

In addition, a steam outlet 16 protrudes from the upper part of the humidification panel 1, which communicates with the lower water tank 11 through the terminal cover 15 and the upper cover 14, and the humidification unit 10 By providing an inspection door (11a) and a manual valve (11b) on one side, if an abnormality occurs in the water supply and drainage of the lower water tank (11), it can be quickly repaired.

As such, the industrial electrically heated humidifier according to the present invention can step-control a plurality of humidification units (10), quickly reach the target humidity according to set conditions, and keep the water supplied to the humidification unit (10) clean. It can be easily maintained in that condition.

The present invention is not limited to the specific preferred embodiments described above, and various modifications can be made by anyone skilled in the art without departing from the gist of the invention as claimed in the claims. Of course, such changes are within the scope of the claims.

<Explanation of symbols for main parts of the drawing>
1: Humidifying panel 2: Control panel
10: humidification unit 11: lower water tank
11a: Inspection door 11b: Manual valve
12: Titanium heater 13: PTC sensor
14: upper cover 15: terminal cover
16: steam outlet 16a: steam hose
16b: Steam nozzle
17a: Condensate hose 20: Water level control unit
30: water supply and drainage unit 31: water supply valve
32: drainage pump 33: water supply and drainage tank
40: DDC converter 50: Main controller
60: Touch screen 70: Power supply unit
71: Transformer 72: Circuit protector
73: Electromagnetic contactor 74: Distributor
75: fuse

Claims (7)

A humidifying panel (1) equipped with a plurality of humidifying units (10) and a control panel (2) for monitoring and controlling the operation of the humidifying panel (1) are provided,
The control panel (2) is
A level sensor that monitors the water level of the humidifying unit (10) and a plurality of DDC converters (40) to which signals from the humidity sensor that detects external humidity are input;
A sensor signal input through the DDC converter 40 is received, the operating state of the humidification unit 10 is determined, and a control signal for controlling the operation of the humidification unit 10 is received through the DDC converter 40. a main controller (50) that transmits;
A touch screen (50) is connected to the main controller 50 through RS485 to display the operating status of the humidification unit 10, the water level level, and the humidification status of the room, and receives the operator's operating commands and transmits them to the main controller 50. 60) and;
A transformer 71 that converts and supplies voltage to drive the humidifying unit 10, a circuit protector 72 that cuts off the power of the transformer 71 in an emergency, and a power supply that passes through the circuit protector 72. An electromagnetic contactor 73 that turns on and off according to a signal from the main controller 50, a distributor 74 that distributes and supplies power passing through the electromagnetic contactor 73 to the humidification unit 10, and the distributor 74 ) is provided with a power supply unit (70) comprised of a fuse (75) that blocks overcurrent transmitted from
The humidifying panel (1) includes the humidifying unit (10); a water level control unit (20) equipped with a plurality of level sensors that detect the water level of the humidifying unit; A water supply valve 31 that opens and closes to supply water to the humidification unit 10 according to a signal from the water level control unit 20, and a drain pump that discharges water from the humidification unit 10 to the outside through a drain outlet. (32) and a water supply and discharge tank (33) connected to the water supply valve (31) and the drain pump (32) to separate the water supplied to the humidification unit (10) from the external water supply pipe and to perform an air vent function during drainage. An industrial electrically heated humidifier, characterized in that it is provided with a water supply and drainage unit (30). delete According to paragraph 1,
The humidifying unit 10 is
A lower water tank 11 in which water flowing in through the water supply and discharge tank 33 is stored, a titanium heater 12 that is introduced into the lower water tank 11 and heated in an electric manner, and the titanium heater 12 ) is coupled to both sides of the PTC sensor 13 to detect temperature, and the upper part is coupled to the upper part of the lower water tank 11 so that the power terminals of the PTC sensor 13 and the titanium heater 12 protrude upward. A cover 14 and a terminal cover 15 coupled to the top of the upper cover 14 are provided to surround the top of the power terminal,
At the top of the upper cover (14) and the terminal cover (15)
An industrial electrically heated humidifier, characterized in that it is provided with a steam outlet (16) through which moisture generated in the lower water tank (11) is supplied to the outside. According to paragraph 3,
The upper part of the steam discharge port 16 is coupled with a steam hose 16a connected to a steam nozzle 16b that supplies the steam to the room,
An industrial electrically heated humidifier, characterized in that it is provided with a condensate hose (17a) wound once and extended to discharge condensate condensed from the steam hose (16a) and the steam nozzle (16b). According to paragraph 3,
On one side of the lower water tank (11),
An industrial device characterized in that it is provided with an inspection door (11a) that opens and closes to manually remove the inside if it is contaminated with foreign substances, and a manual valve (11b) that opens and closes to discharge the water supplied to the lower water tank (11) to the outside. Electrically heated humidifier. According to paragraph 1,
The DDC converter 40 is
An industrial electrically heated humidifier that receives driving power from SMPS and transmits a signal by changing the voltage so that the main controller (50) controls the power supply unit (70). According to paragraph 1,
In the main controller (50),
An industrial electrically heated humidifier, characterized in that it is equipped with a timer that sets the drain pump (32) to be driven at predetermined time intervals.

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