KR101204893B1 - Apparatus for air conditioning education simulator - Google Patents

Abstract

PURPOSE: An air conditioning simulator for education is provided to improve the operational ability of an air conditioner according to seasonal variation because students can directly experience operational states according to parameters for various operational modes. CONSTITUTION: An air conditioning simulator for education comprises a housing unit(100), a fan unit, a duct unit(300), a first header(400), a circulating pump(500), a heat exchanger(600), a second header(700), and a fin tube. The circulating pump presses water supplied to the first header at a predetermined pressure. The heat exchanger converts the water receiving from the circulating pump to hot water or cold water. The cold water or hot water heat-exchanged in the heat exchanger is supplied to the second header. The fin tube is formed in the housing unit and heat-exchanges the cold water or hot water receiving from the second header with air generating in the fan unit.

Description

Apparatus for air conditioning education simulator

The present invention relates to an educational simulation air conditioner capable of learning through simulation indoors on the operation principle and equipment operation of the air conditioner used in buildings or various industrial sites.

In general, the air conditioning unit used in the industrial field is composed of a combination of a fan and a damper (electrical equipment) and an automatic control device based on a refrigerator for cooling and a heater for heating. Understanding the configuration, principle and function of the air conditioner and understanding the overall operating condition can be very important in operating the air conditioner.

The air conditioner generally includes an air conditioner, an air distribution device and an automatic control device, removes dust and impurities contained in the air, and then controls the temperature and humidity of the air using a heat source or a cold source and a humidifier. Air whose temperature and humidity are properly adjusted is blown to a place requiring cooling or heating through an air distribution device consisting of a blower and a duct. The automatic control device is capable of automatically performing various operations in order to maintain a constant temperature and humidity of the room and to operate economically in performing heating and cooling.

However, since most air conditioners installed in a building or industrial site are installed in a specific location inside or outside a building, or are partially exposed, it is difficult to grasp the overall operation principle and function, and the size is large. There was something difficult to grasp.

Conventionally, the person who operates the air conditioner knows the technology or know-how that has been experienced through years of trial and error with his or her own knowledge or has limited technical cooperation only for the part that requires technical exchange with the employees who work together. There is a problem that novice technicians or trainees who are new to the air conditioner cannot easily obtain information on the configuration and principle of the air conditioner.

Therefore, the initial technicians and trainees can use the partial knowledge and information to reduce the unnecessary time and effort that is needed to understand the overall configuration and operation principle of the air conditioner. There is a need for easy access and education at the same time.

Embodiments of the present invention miniaturize and set an air conditioning apparatus installed in a building or an industrial site, so that a plurality of early technicians or trainees can easily understand the operation principle and structure necessary for a direct air conditioning apparatus, and By conducting the practice, we will try to understand the air conditioners installed in actual buildings or industrial sites, and to promote the efficient operation of the air conditioners installed in actual buildings.

Educational simulation air conditioner according to an aspect of the present invention is provided in the room and disposed adjacent to the chamber having an internal space having a predetermined size for training on the principle of operation of the air conditioning device is possible to see the inner region in front A housing unit including a front plate made of a transparent material and partition walls for partitioning the inner region into a plurality of divided regions; A fan unit provided inside the housing unit; A duct unit provided in the housing unit to facilitate air movement between the chamber and the housing unit; A first header spaced apart from the housing unit and supplied with water at room temperature; A circulation pump for pressurizing the water supplied to the first header to a predetermined pressure; A heat exchanger for receiving the pressurized water from the circulation pump and converting it into cold water or hot water; A second header to which cold water or hot water exchanged with the heat exchanger is supplied; And a fin tube provided in the housing unit to receive cold water or hot water from the second header to promote heat exchange with air generated in the fan unit.

The fan unit may include a ventilation fan for sucking air in the chamber; And an air supply fan spaced apart from the ventilation fan and configured to supply air into the chamber.

The duct unit has an air supply duct for supplying air generated in the air supply fan, one end is connected to the air supply fan and the other end is extended to the upper chamber; One end is connected to the outside of the chamber and the other end is extended to the upper portion of the ventilation fan and includes a ventilation duct for supplying air in the chamber to the ventilation fan.

The housing unit further includes a damper unit provided on an upper surface and controlling an inflow amount of air between the chamber and the housing unit.

The damper unit includes a ventilation damper provided on the upper portion of the ventilation fan; An exhaust damper provided on an upper surface of the housing unit and discharging a part of the air passing through the ventilation fan to the outside; An external air damper for sucking outside air of the housing unit; A mixing damper disposed between the exhaust damper and the external air damper; It includes an air supply damper for adjusting the amount of air discharged from the air supply fan.

The housing unit includes a return tube provided with a first valve to adjust return of cold water or hot water through the pin coil and to control the amount of cold water or hot water introduced into the first header.

The housing unit further includes a bypass pipe having a second valve connected between both ends of the first and second headers and configured to adjust pressure fluctuation.

The housing unit further includes a freeze protection heater provided under the outside air damper.

The educational simulation air conditioner further includes a control unit for controlling an operating state.

The faceplate further includes a display portion that is displayed such that the movement path of air is visually recognizable.

Embodiments of the present invention, through the education of the overall configuration and operation principle for the air conditioning device can be carried out technology education combined with theory and practice at the same time through a large number of trainees to maximize the educational effect, learned through education Integrate knowledge directly in the field.

Embodiments of the present invention can directly set the variables (temperature, humidity, fan and damper state) for the various operating modes of the air conditioning device, and can directly experience the operating state according to the air according to the season change The operating capability of the harmonization device can be improved.

Embodiments of the present invention can be simulated using a reduced size air conditioning apparatus without dismantling the complex air conditioning apparatus installed in the actual building.

1 is a view showing the educational simulation air conditioner according to an embodiment of the present invention.
2 is a view showing a housing unit provided in the educational simulation air conditioner according to an embodiment of the present invention.
3 to 7 is an installation state diagram showing a state in which the educational simulation air conditioning apparatus actually installed in the room according to an embodiment of the present invention.
8 is a block diagram illustrating a control unit provided in an educational simulation air conditioner according to an embodiment of the present invention and a configuration associated with the control unit.
9 is a state diagram using the educational simulation air conditioner according to an embodiment of the present invention.

According to an embodiment of the present invention will be described with reference to the configuration of the educational simulation air conditioning apparatus.

1 to 2, the educational simulation air conditioner 1 may be installed in a lecture room (not shown) provided in a room and has a total length of less than 10 m so as to be installed in the lecture room.

 The air conditioner 1 is provided with a chamber 10 having an internal space having a predetermined size, disposed adjacent to the chamber 10, and made of a transparent material so that an inner region is visible on the front surface 102. ) And a housing unit 100 including partition walls 104 for partitioning the inner region into a plurality of divided regions.

1 to 4, the housing unit 100 includes a fan unit 200 therein, and the fan unit 200 includes a ventilation fan 210 and an air supply fan 220. A duct unit 300 is provided to facilitate air movement between the chamber 10 and the housing unit 100. In addition, the first header 400 spaced apart from the housing unit 10 and supplied with water at room temperature, and the circulation pump 500 for pressurizing the water supplied to the first header 400 to a predetermined pressure And, receiving the pressurized water from the circulation pump 500 is provided with a heat exchanger 600 for converting into cold or hot water. The fan unit is provided with a second header 700 to which cold water or hot water heat exchanged from the heat exchanger 600 is supplied, and is provided to the housing unit 100 and supplied with cold water or hot water from the second header 700. And a fin tube 800 to facilitate heat exchange with air generated at 200.

The housing unit 100 is formed in a predetermined size and configured in a rectangular shape so as to be disposed indoors, but is not necessarily limited to the shape. The front plate 102 may be a transparent acrylic plate or a tempered glass having a predetermined thickness so that the inner region can be seen, and other materials except for the acrylic plate and the tempered glass may be used. The housing unit 100 may be provided with a separate heat insulating material for heat insulation inside, and is not particularly limited in material. The partition wall 104 is provided to partition the inner region of the housing unit 100, and the interval may also vary depending on the site situation.

The housing unit 100 further includes a display unit 102a on which the movement path of air is visually recognizable on the front plate 102, and the display unit 102a may be an adhesive sheet having a specific color, but it may be necessary. It is not limited. The housing unit 100 may be provided with a support plate on the lower surface and is spaced apart from the bottom by a predetermined height to a predetermined height. The chamber 10 is a space implemented by reducing a room or an office where a user lives or occupies a room, and may be formed as a single space or divided into a plurality of internal spaces.

The ventilation fan 210 is disposed adjacent to the chamber 10 and may suck air in the chamber 10 through the ventilation duct 320 and is divided into the housing unit 100 by the partition wall 104. Independently placed in the area. The air supply fan 220 is spaced apart from the ventilation fan 210 and provided to supply air into the chamber 10 through the air supply duct 310, and like the ventilation fan 210, the interior of the housing unit 100 is provided. Are independently placed.

The duct unit 300 includes an air supply duct 310 and a ventilation duct 320, and one end of the air supply duct 310 is connected to the air supply fan 220 and the other end of the air supply duct 310 extends above the chamber 10. And is provided to supply air generated in the air supply fan 220 to the chamber 10. The ventilation duct 320 has one end connected to the outside of the chamber 10 and the other end extending to the upper portion of the ventilation fan 210 and provided to supply air inside the chamber 10 to the ventilation fan 210. do. The air supply duct 310 and the ventilation duct 320 are relatively smaller in diameter and length than the duct installed in the actual building in order for the trainee to more easily understand and understand the movement path of the air between the chamber 10 and the housing unit 100. And a display unit 102a having a layout and installed to visually recognize a movement path of air on the outside thereof, or may have a structure in which the inside is visible for some sections.

For example, after the duct unit 300 is actually installed in a building, it is difficult to grasp the movement path without dismantling the panel (not shown) installed on the ceiling, but the duct unit 300 according to the present embodiment is a damper unit. The connection and arrangement relationship with the 110 or the fan unit 200 can be grasped at a glance, through which the air blown through the fan unit 200 passes through the damper unit 110 and the duct unit 300. The state moved to the fan unit 200 can be easily understood and understood.

The housing unit 100 further includes a damper unit 110 provided on an upper surface and controlling an inflow amount of air between the chamber 10 and the housing unit. The damper unit 100 is made of a relatively smaller size than the damper unit installed in the actual building and has a feature that the trainee can directly check the structure and operating state of the damper unit 100 with the naked eye and understand the principle of operation. The damper unit 110 includes a ventilation damper 112 provided at an upper portion of the ventilation fan 210, an exhaust damper 114 for discharging a part of the air passing through the ventilation fan 210 to the outside, and the housing unit. External air damper 118 for sucking the outside air of the 100, the mixing damper 116 provided between the exhaust damper 114 and the external air damper 18, and the amount of air discharged from the air supply fan 210 is adjusted The air supply damper 119 is included. The damper unit 110 increases or decreases the amount of air moved according to the rotation angles of a plurality of control plates (not shown) provided therein for adjusting the amount of air. The damper unit 110 may be controlled by the control unit 900, which will be described later, the operation state, a more detailed description will be described later.

The expansion tank 20 is connected to a conventional water pipe into which water at room temperature flows, and adjusts the expansion state according to the expansion of the water. The heat exchanger 600 may be provided with a model other than an absorption type refrigerator in consideration of being installed in a room, or may be provided with a heater (not shown) capable of converting water at room temperature to a predetermined temperature.

Referring to FIG. 1 or FIGS. 5 to 7, the housing unit 100 facilitates the return of cold water or hot water via the pin coil 800, and the cold water or hot water flows into the first header 400. It includes a return pipe 120 is provided with a first valve 122 to adjust the amount. The first valve 122 is operated in an on or off state at a temperature at which 2-Way V / V is used and set to a predetermined temperature.

The housing unit 100 further includes a bypass pipe 130 having both ends connected between the first and second headers 400 and 700 and having a second valve 132 to adjust the pressure fluctuation. The bypass pipe 130 installed in the actual building has a more complicated structure than the layout shown in the drawings. ), The hot water can be moved when the first valve 122 malfunctions due to the pressure fluctuation due to the volume expansion of the hot water. Unexplained reference numeral P is a pressure gauge and senses the pressure fluctuations of the heating water that is moved to the piping distribution for heating.

The housing unit 100 further includes a freeze protection heater 140 provided under the outside air damper 118, and the freeze protection heater 140 has the outside air damper under the condition that the outside air temperature is lowered below freezing. 118 is provided to increase the temperature of the low temperature outdoor air introduced to the predetermined temperature, and is installed to be close to one surface of the pin coil 800.

Referring to FIG. 8, the controller 900 may control an overall operating state of the educational simulation air conditioner 1, and is connected to the computer 2 to practice in an air conditioner installed in an actual building. You can easily test your hands-on labs with different operating modes. The trainees use a computer to drive a separate simulation program, the temperature state supplied to the chamber 10, the operation state of the fan unit 200, the operation state of the duct unit 300, and the circulation pump 500. The operating state of the and various operating conditions of the first to second valves 122 and 132 can be set and the state thereof can be checked through a monitor, and the actual operating state can be visually checked through the air conditioner 1.

A state of use of the educational simulation air conditioner according to an embodiment of the present invention configured as described above will be described with reference to the drawings.

1 to 2 and 9, the trainees may arbitrarily select the season mode of the air conditioning apparatus 1 after operating the simulation program using a computer, and in this embodiment, it is selected as the winter mode. Explain. The trainees may set the outside air temperature, the air supply temperature, and the ventilation temperature, respectively, and set the opening amounts of the exhaust damper 114, the mixing damper 116, and the external air damper 118 in units of%, and the freeze protection heater 140 The air conditioner 1 is operated after setting the temperature of the temperature to a specific temperature.

Water at room temperature is supplied to the first header 400 via the expansion tank 20, and is moved to the circulation pump 500 through a pipe in the first header 400, and the predetermined temperature in the circulation pump 500. Pressurized by the pressure is moved to the heat exchanger 600. In the heat exchanger 600, the supplied room temperature water is converted into hot water after being heat exchanged and supplied to the first header 700, and the hot water is connected to the housing unit 100 in the first header 700 through a pipe connected thereto. Supplied to the pin coil 800. In the fin coil 800, the heat is radiated to a predetermined temperature by the supplied hot water, and the air introduced through the outside air damper 118 and the air introduced through the mixing damper 116 are separated from the fin coil 800. Heat exchanged to the air supply fan 220. The air supply fan 220 rotates at a predetermined speed and supplies a large amount of air to the air supply duct 310, and is discharged into the chamber 10 through the air supply duct 310.

The ventilation fan 210 operates at a predetermined speed and sucks air in the chamber 10 through the ventilation duct 320, and the amount of air inside the chamber 10 introduced through the ventilation fan 210 is a ventilation damper. The state set by 112 is adjusted.

The ventilation fan 210 supplies the air supplied from the chamber 10 toward the mixing damper 116, and some air is discharged to the outside of the housing unit 100 through the exhaust damper 114 and some air is mixed. After mixing with the outside air introduced through the outdoor air damper 118 via the damper 116, the air is supplied again to the air supply fan 220 via the filter 40.

The trainees can directly see and experience the overall operating state of the air conditioner 1 operated as described above, and the operation of the fan unit 200 or the damper unit 110 of the air conditioner 1 through computer simulation. The state can be observed directly.

In the fin coil 800, the introduced hot water is returned to the first header 400 through the return pipe 120, and the amount of hot water supplied to the first header 400 by the first valve 122 may be adjusted. have. Trainees can directly implement the state according to the malfunction of the first valve 122 through a simulation, and if the first valve 122 malfunctions, the bypass pipe 130 connected to the second header 700. Bypass of the hot water is made to the first header (400) through. For reference, the bypass pipe 130 is provided with a second valve 132 to stably maintain the pressure fluctuation due to the volume expansion of the hot water.

The trainees can easily recognize the flow state of the cold or hot water of the air conditioner 1 and the air flow state of the air conditioner 1 operated in this way through the display unit 102a. Experience firsthand about

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention as set forth in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

10: chamber
100: housing unit
110: damper unit
112, 114, 116, 118
102: front panel
200: fan unit
210: ventilation fan
220: air supply fan
300: duct unit
310: air supply duct
320: ventilation duct
400: first header
500: circulation pump
600: heat exchanger
700: second header
800: pin coil

Claims (10)

A front plate made of a transparent material disposed adjacent to a chamber having an interior space having a predetermined size for education of the operation principle of the air conditioning apparatus and transparent to the interior area in front of the chamber, A housing unit including a partition wall partitioning into a plurality of divided regions;
A fan unit provided inside the housing unit;
A duct unit provided in the housing unit to facilitate air movement between the chamber and the housing unit;
A first header spaced apart from the housing unit and supplied with water at room temperature;
A circulation pump for pressurizing the water supplied to the first header to a predetermined pressure;
A heat exchanger for receiving the pressurized water from the circulation pump and converting it into cold water or hot water;
A second header to which cold water or hot water exchanged with the heat exchanger is supplied; And
And a fin tube provided in the housing unit to receive cold water or hot water from the second header to exchange heat with air generated in the fan unit. The method according to claim 1,
The fan unit,
A ventilation fan for sucking air in the chamber;
It is spaced apart from the ventilation fan and includes an air supply fan for supplying air into the chamber The method according to claim 1 or 2,
The duct unit,
An air supply duct, one end of which is connected to the air supply fan and the other end extending above the chamber, for supplying air generated from the air supply fan to the chamber;
One end is connected to the outside of the chamber and the other end is extended to the upper portion of the ventilation fan and comprises a ventilation duct for supplying air in the chamber to the ventilation fan. The method according to claim 1,
The housing unit,
Educational simulation air conditioning apparatus provided on the upper surface further comprises a damper unit for adjusting the flow rate of air between the chamber and the housing unit. The method according to any one of claims 1 to 4,
The damper unit,
A ventilation damper provided at an upper portion of the ventilation fan;
An exhaust damper provided on an upper surface of the housing unit and discharging a part of the air passing through the ventilation fan to the outside;
An external air damper for sucking outside air of the housing unit;
A mixing damper disposed between the exhaust damper and the external air damper;
Educational simulation air conditioning apparatus including an air supply damper for adjusting the amount of air discharged from the air supply fan. The method according to claim 1,
The housing unit,
Educational simulation air conditioning apparatus comprising a return pipe is provided with a first valve to facilitate the return of cold or hot water through the pin coil and to adjust the amount of the cold or hot water flows into the first header. The method according to claim 1,
The housing unit,
Educational bypass air conditioning apparatus further comprises a bypass pipe having a second valve connected between both ends and adjusting the pressure fluctuation between the first and second headers. The method according to claim 1,
The housing unit,
Educational simulation air conditioning apparatus further comprises a freeze protection heater provided on the lower side of the outdoor air damper. The method according to claim 1, wherein
The educational simulation air conditioner further comprises a control unit for controlling the operating state of the educational simulation air conditioner. The method according to claim 1,
The front panel,
Educational simulation air conditioning apparatus further comprises a display that is displayed so that the movement path of the air visually recognizable.

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