KR101432799B1 - Automatic control system using wireed/wireless converged technic - Google Patents

Abstract

The present invention relates to an automatic control system using wired and wireless conversion technology. The automatic control system using the wired and wireless conversion technology according to the embodiment of the present invention includes a wireless temperature sensor, a wireless humidity sensor, a wireless receiver which receives the temperature and the humidity from the wireless temperature sensor and the wireless humidity sensor, a wireless sensing module which includes a relay, a wired communication unit, a controller which monitors and controls field devices through the wired communication unit, a data communication unit, and a remote control panel.

Description

[0001] The present invention relates to an automatic control system using wire / wireless convergence technology,

The present invention relates to an automatic control system using wire / wireless convergence technology, and more particularly, to a remote control panel that communicates with a central control center to monitor and control on-site devices, receives environmental information from a wired sensor, And a wireless sensor module including a wireless receiver and a repeater to establish a wired network and a wireless network to mutually converge and communicate the data received from the wireless temperature and humidity sensor to drive a field device connected to the wired / Control system.

In order to monitor and control these field devices at the remote control center, various field devices (eg, lighting equipment, power equipment, air conditioning equipment, disaster prevention equipment, air conditioning and heating equipment) A remote control panel for connecting the field device and the control center is provided.

The remote control panel is installed in the field and collects (ie, monitors) the information of the on-site devices, controls the operation, communicates with the control center, and transmits information of the collected on-site devices to the control center. And controls the operation / stop of the field device.

The automatic control system collects information on the on-site devices and the environment on the remote control panel, transmits the information to the central control center, and controls the on-site devices according to the command of the central control center.

The remote control panel monitors and controls the field devices connected to the field devices by wire, and receives the environmental information about the field devices and the operating environment of the field devices from the sensors installed there, And send the information to the central control center so that the central control center can monitor the site.

At this time, the sensors on the site (typically temperature sensors and humidity sensors) are disclosed in Korean Patent Registration No. 10-0736250 entitled " Indoor Environment Control System and Control Method ", Registered Patent No. 10-1041224 "&Quot;, it is connected to the remote control panel by wired connection and transmits the detected information.

In an automatic control system, it is necessary to connect a wired line to a remote control panel to consume a large amount of electric power and securely operate and control the on-site devices. However, the sensors installed in the field have a low power consumption and a direct influence on the stable operation of the field devices I do not give it.

Therefore, when the sensor installed on the field is wired to the remote control panel, the installation cost increases sharply when the sensor is located in a place where the electric supply or wiring is difficult, and when the structure of the office is changed frequently It is necessary to change the installation position of the sensor according to the arrangement environment of the office, so that new piping and wiring are required, and if piping wiring is delayed, there is a difference in information, which makes it difficult to operate the field apparatus properly.

The remote control panel includes an enclosure for protecting and monitoring the on-site equipment, a controller for communicating with the control center, and a controller.

The controller such as the controller embedded in the remote control panel is electronic equipment and is susceptible to moisture and dust. Therefore, the enclosure with built-in controller is sealed to prevent foreign substances such as water and dust from entering. However, It can not be done.

However, when the internal temperature and humidity of the housing are increased, it takes a considerable time to lower the temperature and humidity.

Therefore, if the temperature or humidity inside the enclosure becomes high, abnormal operation may occur due to malfunction of the device (controller) installed in the enclosure, or the device may not operate due to damage of the device due to insulation breakdown or rust There is a problem that arises. In addition, dusts such as yellow dust frequently accumulating in recent years accumulate on the equipment substrate in the enclosure due to high humidity, which may cause not only malfunction of equipment but also fire.

Therefore, if the temperature and humidity inside the enclosure become high, it is necessary to forcibly lower the temperature and humidity inside the enclosure to prevent the damage or malfunction of the device or the risk of fire.

Although the remote control panel has been variously disclosed in the prior art as a registered utility model No. 20-0231643 entitled "street light remote control panel ", and a registered local patent No. 10-1210349 entitled" remote monitoring and control device including a buried surveillance control panel " It has equipment that can circulate the inside and outside of the control panel to lower the temperature and humidity inside the enclosure, and most of them concentrate on the enclosure structure of the enclosure. Also, some remote control panels that can circulate inside and outside circulate inside and outside by user's operation (manual operation in the field or command from the control center), so that if the temperature and humidity inside the enclosure reaches dangerous level, And humidity can not be lowered, so there is a limitation in preventing damage or malfunction of the remote control device or occurrence of fire.

In case that equipment such as outlet and exhaust fan are installed in the enclosure to circulate the inside and outside of the enclosure so as to lower the temperature and humidity of the enclosure in the remote control panel, the outside dust and moisture are introduced into the enclosure through the outlet, Since the airtight structure is weakened, that is, the enclosure of the remote control panel is important, and internal and external circulation equipments are not provided in the enclosure so as not to sacrifice the enclosed structure by the inside and outside equipment.

Therefore, an exhaust fan unit capable of lowering temperature and humidity at high or high humidity by circulating the inside and outside of the enclosure without sacrificing the enclosure structure of the enclosure is needed.

The automatic control system according to the prior art as described above has a sensor for detecting environmental information on the site and a remote control panel for controlling the on-site devices are connected by a wire, and when the sensor is installed in a place where electric supply or wiring is difficult, In order to solve the problem that the piping wiring for the sensor is required when the position of the sensor is changed due to the sudden change of the structure of the site and the operation of the field devices becomes difficult if the wiring is delayed As an invention,

A wireless sensor (a wireless temperature sensor and a wireless humidity sensor) that senses environmental information (temperature and humidity) of surrounding environment by using a built-in battery and transmits it wirelessly, and a wireless sensor A wireless sensor and a wireless sensor module including a wireless receiver and a repeater for transmitting information received by the wireless receiver to the central control center can be further constructed to reduce the installation cost and management cost of the sensor, The wireless sensor network module and the wired network of the existing remote control module are mutually converged and integrated so that the position of the sensor can be simultaneously changed quickly so that the field devices can be operated appropriately through accurate environmental information (temperature and humidity) And an automatic control system using wire / wireless fusion technology.

In addition, when the enclosure of the remote control panel has a closed structure and the temperature and humidity inside the enclosure are increased, the state of the enclosure is maintained for a long period of time and the electronic devices installed in the enclosure are damaged or malfunctioned. In order to solve the problems that occur,

A temperature sensor, a humidity sensor and an exhaust fan unit are installed in the housing to provide a self-protection function to monitor temperature and humidity inside the enclosure. If the temperature and humidity are high, the air inside the enclosure is forcibly discharged to the outside, The present invention also provides an automatic control system using wire / wireless convergence technology capable of preventing the occurrence of a malfunctioning fire by lowering the concentration of fine dust,

The waterproof property of the exhaust fan unit is strengthened so that water or dust can be prevented from being introduced into the interior through the exhaust fan unit introduced for forcibly discharging the air inside the housing to the outside, The present invention also provides an automatic control system using wired / wireless convergence technology that improves maintainability and economical efficiency so that only a sealing pad can be easily replaced.

In order to accomplish the above object, the present invention provides an automatic control system using wire / wireless convergence technology,

Wireless temperature sensor and wireless humidity sensor that detect the temperature and humidity of the site and transmit it wirelessly,

A wireless receiver for receiving temperature and humidity transmitted wirelessly by the wireless temperature sensor and the wireless humidity sensor;

A wireless sensing module including a repeater for transmitting the temperature and humidity received by the wireless receiver to a control center;

A wired communication unit for wired communication with the field devices installed in the field,

A controller for monitoring and controlling the field devices through the wired communication unit,

A data communication unit for communicating with the control center to transmit information about the field devices collected by the controller to the control center, and transmitting a command signal transmitted by the control center to the controller;

And a remote control panel including a wired communication unit, a controller, and a data communication unit, the automatic control system comprising:

Wherein the enclosure is provided with an exhaust fan unit for exhausting the inside of the enclosure to the outside under the control of the controller,

The exhaust fan unit

A duct having a cylindrical structure to communicate the inside and the outside of the housing,

A motor,

An opening / closing plate that is rotated by the motor to open / close the duct,

A sealing pad coupled to a rim of the opening / closing plate and closely contacting the inner surface of the duct,

And replacement means for allowing the sealing pads to be interchangeably coupled to the rim of the opening / closing plate,

The replacement means

A branch portion branched from both sides of the sealing pad to cover both sides of the rim of the opening / closing plate,

A fitting ring provided at an inner end of the branch portion,

A seating groove formed in the opening / closing plate and seated with the fitting ring inserted therein,

And a pressing portion formed on the seating groove to press the surface of the fitting ring.

And a detachment means for detachably coupling the opening / closing plate to the duct,

The detachment means

A hinge pin protruding from an inner periphery of a hinge pin hinged to the duct,

A fitting groove provided in the opening / closing plate for inserting the hinge pin,

An engaging groove formed to be connected to the fitting groove so that the engaging wing can be inserted in and out,

A spring embedded in the fitting groove to elastically support the hinge pin,

A latching nose protruding from a surface of the latching blade,

And a latching protrusion formed on the inner wall of the inlet of the latching groove to latch the latching nose.

The automatic control system using the wire / wireless convergence technology according to the present invention comprises a wireless sensor, a radio receiver, a repeater and a central control center in a conventional wired network composed of a field device, a field sensor, a remote control panel and a central control center By further integrating and integrating the wireless network to be configured, even if the structure of the site changes, such as the change of the structure of the office, the wireless sensor can be installed quickly and conveniently in a proper location according to the changed structure, The sensor transmits the environmental information that is detected simultaneously with the structural change to the central control center and the remote control through the relay, so that the field device can be operated quickly according to the changed environment.

The remote control panel that monitors and controls the on-site devices monitors the temperature and humidity inside the enclosure through a temperature sensor and a humidity sensor. When the temperature and humidity increase, the exhaust fan unit is driven to exhaust air inside the enclosure. It is possible to prevent the malfunction or damage of the equipment provided inside the housing due to the accumulation of high temperature, high humidity and fine dust, to prevent the fire from occurring,

In addition, when the airtightness of the airtight pad is weakened, the airtightness of the airtightness of the airtightness of the airtightness of the airtightness can be improved. As an automatic control system, it is a very useful invention for industrial development.

1 is a schematic block diagram of an automatic control system using wire / wireless convergence technology according to the present invention;
2 is a schematic configuration diagram of a remote control panel according to the present invention;
3 is a perspective view of the exhaust fan unit introduced into the enclosure of the remote control panel to circulate the inside and outside of the enclosure to lower the temperature and humidity inside the enclosure and to remove the fine dust.

Hereinafter, an automatic control system using wire / wireless convergence technology according to the present invention will be described in detail with reference to the drawings.

Before describing the present invention in more detail with reference to the drawings,

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

As shown in FIG. 1, the automatic control system using the wire / wireless convergence technology according to the present invention includes a central control center 100, a remote control 200, and a wireless sensing module 300.

The central control center 100 is connected to the central control center 100 through the field devices such as the boiler 1, the cold / hot water heater 2, the refrigerator 3, the geothermal heat pump 4, Equipment and the like) and various wired sensors 5 and transmits command signals corresponding to the monitoring results to the remote control panel 200 so that the field devices 1 to 4 are driven / stopped.

The remote control panel 200 includes a data communication unit 210 for transmitting and receiving data such as collected information and command signals to the central control center 100 and a data communication unit 210 for connecting the field devices 1 to 4 and the wire sensor 5, A wired communication unit 230 for monitoring and controlling the field devices 1 to 4 by communicating with the wired sensors 5 and receiving a signal sensed by the wired sensor 5, (Data and command signals, etc.) according to the process are transmitted to the central control center 100, the field devices 1 to 4 and the field wire sensor 5, And a controller 220 for transmitting to the control center 100 and the field devices 1 to 4.

The wireless sensing module 300 is driven by a built-in battery. The wireless sensing module 300 includes a wireless temperature sensor 310 for sensing the temperature of the site, a wireless humidity sensor 320 for sensing the humidity of the site, A wireless receiver 330 for receiving temperature and humidity data transmitted by the wireless humidity sensor 320 wirelessly and data about the temperature and humidity received by the wireless receiver 330 from the central control center 100 And a repeater 340 for transmitting the repeater 340 to the base station.

The repeater 340 may transmit the temperature and humidity data directly to the central control center 100 by wired (or wireless), but may be transmitted through the remote control 200 provided near the central control center 100, It is not necessary to construct a communication line to be connected to the network 100 separately.

The wireless temperature sensor 310 and the wireless humidity sensor 320 are installed quickly and conveniently on the spot without any need for piping wiring for transmitting electricity and sensed data, The position of the wireless temperature sensor 310 and the wireless humidity sensor 320 can be changed at the same time in response to the structural change of the field (change of installation position of the field device, etc.), so that information on the accurate temperature and humidity is sensed and transmitted Allows field devices to operate quickly to adapt to site changes.

Hereinafter, the mechanical configuration of the remote control panel will be described with reference to FIGS. 2 to 3. FIG.

The mechanical configuration of the remote control panel includes components of the housing 10, the temperature sensor T, the humidity sensor H, the exhaust fan unit 20, and the intake fan units 13 and 15.

1), a data communication unit 210, and a wired communication unit 230 are installed in the housing 10, as shown in FIG.

The housing 10 incorporates various devices including the controller C therein to protect the built-in controller C from external shocks and the like.

The enclosure 10 has a hermetically sealed structure to prevent moisture and dust from entering the enclosure 10, thereby preventing the built-in controller C from being damaged or malfunctioning.

The enclosure 10 is provided with a door 11, and the door may be provided with a sight window (not shown) for allowing a user to monitor the inside of the door.

Illumination (not shown) is installed inside the enclosure 10 and the light is turned on under the control of the controller C when the door 11 of the enclosure 10 is opened and extinguished when the door 11 is closed .

The enclosure 10 is provided with a power supply for supplying power to devices such as a controller C,

Since the remote control panel monitors and controls the field devices and communicates with the control center, it is necessary that the operation is not interrupted even if the external power supply is cut off, such as a power failure.

Accordingly, the present invention provides an uninterruptible power supply (UPS) as a power supply. When the external power is normally supplied, the external power is converted into driving power and supplied to a device such as a controller. The power of the battery is converted into driving power and supplied to a controller or the like so that the battery can be normally operated for a predetermined time (for example, 12 hours) even if the external power is cut off.

The enclosure (10) has a hermetically sealed structure, so that the temperature inside the enclosure rises due to the high temperature of the outside in the hot summer and the heat generated by the equipment installed in the enclosure in the hot summer. The sealing structure of the housing (10) prevents the moisture and dust from penetrating into the inside of the housing (10), but since the sealing structure can not be perfect, the outside moisture permeates and when the humidity rises once, It is not easily lowered.

Therefore, once the temperature and humidity inside the housing 10 are raised during the hot summer, the internal air is not discharged to the outside, and the state of high temperature and high humidity is maintained for a long time to cause malfunction or damage of the controller C, Dust penetrated into the inside of the apparatus is accumulated on the substrate of the apparatus because of moisture, and there is a high risk of causing fire generation.

Therefore, it is preferable to provide a magnetic shielding function for forcibly discharging and protecting the inside of the housing 10 to the outside when the inside of the housing 10 becomes hot or humid.

The present invention is characterized in that the housing 10 is provided with a temperature sensor T, a humidity sensor and an exhaust fan unit 20 so that the remote control panel has a magnetic protection function and the controller C is provided with a temperature sensor T and a humidity sensor H , The exhaust fan unit 20 is driven to discharge the internal air of the housing 10 to the outside.

The temperature sensor T senses the temperature inside the enclosure 10 and transmits the sensed temperature to the controller C. The humidity sensor H detects the temperature inside the enclosure 10 and controls the controller C, And the controller C compares the temperature transmitted by the temperature sensor T and the humidity transmitted by the humidity sensor H with the reference temperature and the reference humidity respectively, The air inside the enclosure 10 is discharged to the outside to lower the temperature and the humidity inside the enclosure 10 and the fine dust that has infiltrated into the enclosure 10 is discharged to the outside together.

When the air inside the housing 10 is discharged to the outside by the driving of the exhaust fan unit 20, the outside air needs to flow into the housing 10 so that the housing 10 is provided with an inlet 12 A filter 13 is provided in the inlet 12 so as to prevent dust from entering from the outside and an intake fan 15 capable of forcibly introducing outside air into the filter 13 is provided.

The exhaust fan unit 20 includes a duct 21 provided in a discharge port 14 of the housing 10 to provide a passage through which the indoor air is discharged to the outside, And an exhaust fan 23 for forcibly discharging the air inside the duct 21 to the outside through the duct 21. When the exhaust fan 23 is in an inoperative state, Dust and water can penetrate into the interior.

An opening and closing plate 30 for opening and closing the duct 21 is provided in the duct 21 so that external moisture and dust can not penetrate through the duct 21 when the exhaust fan 23 is not operated, The controller C uses the motor 40 to rotate the opening and closing plate 30 so that the duct 21 is opened when the exhaust fan 23 is driven and the duct 21 Closing.

The opening and closing plate 30 has a clearance with the inner surface of the duct 21 so that the opening and closing plate 30 can rotate inside the duct 21 and the opening and closing plate 30 closes the duct 21 In the state, external moisture and dust penetrate through the tolerance.

In order to prevent moisture and dust from penetrating through the gap between the opening and closing plate 30 and the inner surface of the duct 21, a soft sealing pad 50 is formed on the rim of the opening and closing plate 30, To seal the gap.

The outer diameter of the sealing pad 50 is longer than the inner diameter of the duct 21 so that the sealing pad 50 is in surface contact with the inner surface of the duct 21 and is in close contact with the inner surface of the duct 21.

The sealing pad 50 is made of a soft material such as silicone or rubber and has excellent elasticity (restoring force), so that the sealing pad 50 is in close contact with the inner surface of the duct 21 in a surface contact manner.

The opening and closing plate 30 is rotated by the motor 40 controlled by the controller C and the closing pad 50 is brought into close contact with the inner surface of the duct 21 Or disconnected to open or close the duct 21,

The sealing pad 50 is in contact with the inner surface of the duct 21 and is repeatedly worn while being repeatedly worn. When the sealing pad 50 is in a state of close contact for a long period of time, And is closed after the next opening, the adhesion becomes weak.

Therefore, it is necessary to minimize the wear and adhesion of the sealing pad 50. For this purpose, the present invention is characterized in that the opening / closing plate 30 rotates 180 degrees in two successive steps of 90 degrees, Then, the ducts 21 are opened and closed by rotating 180 degrees in the opposite direction twice by 90 degrees.

There are three ways of rotating the opening and closing plate 30 for opening and closing the duct 21. First, there is a method of continuously rotating 90 degrees in one direction (forward direction or reverse direction), second, a method of alternately rotating 90 degrees in forward direction and reverse direction, and a third method of rotating twice 90 degrees in the forward direction and twice 90 degrees in the reverse direction .

In the first method and the second method, only one surface of the sealing pad 50 is continuously contacted with the inner surface of the duct 21 at the opening and closing. In the third method, both surfaces of the sealing pad 50 are alternately And is brought into contact with the inner surface. Thus, in the third method, the both sides of the sealing pad 50 are uniformly worn, and the edge of the sealing pad 50, which is in contact with the duct 21, is alternately folded on both sides to prevent deformation.

As described above, according to the present invention, even if the opening / closing plate 30 is rotated in the second mode to minimize wear and deformation of the sealing pad 50, the sealing pad 50 is worn and its adhesion is weakened if it is used for a long period of time. At this time, it is economically advantageous to replace only the sealing pad 50 instead of replacing both the duct 21, the opening and closing plate 30 and the sealing pad 50.

The present invention provides a replacement means 60 for replacing the sealing pad 50 and a detachment means 70 for detachably attaching the opening and closing plate 30 to the duct 21 for replacement do.

The replacement means (60) for interchangeably coupling the sealing pad (50) to the opening / closing plate (30)

A branching portion 61 branching from the inside of the sealing pad 50 to both sides and covering both sides of the rim of the opening / closing plate 30,

A fitting ring 63 provided at an inner end of the branching section 61,

A seating groove 65 formed in the opening / closing plate 30 and in which the fitting ring 63 is inserted and seated,

And a pressing portion 67 protruded above the seating groove 65 to press the surface of the fitting ring 63.

The branching section 61 and the fitting ring 63 are integrally formed with the sealing pad 50. In other words, the branching section 61 and the fitting ring 63 are formed in the sealing pad 50 by a single injection molding process, .

The minimum separation distance between the seating groove 65 and the pressing portion 67 is smaller than the diameter of the fitting ring 63 so that the fitting ring 63 is in contact with the seating groove 65 and the pressing portion 67 So that the fitting ring 63 is not separated from the seating groove 65 by an accidental external force,

The pressing portion 67 presses the fitting ring 63 so that the fitting ring 63 is brought into close contact with the inner surface of the seating groove 65 to prevent water or dust from penetrating through the gap therebetween.

The sealing pad 50 and the branching part 61 and the fitting ring 63 are made of a flexible material having elasticity so that the operator pulls the inside of the sealing pad 50 so that the branching part 61 contacts the opening / It is possible to easily engage the fitting ring 63 between the pressing portion 67 and the seating groove 65 to easily engage the fitting ring 63 in a forced fit manner, The replacement of the sealing pad 50 is easy.

The disposing means 70 allows the opening / closing plate 30 to be separated and recombined in the duct 21 in order to replace the sealing pad 50. That is, it is detachable.

The hinge pin 31 and the motor shaft pin 33 are provided on both sides of the opposed positions of the opening and closing plate 30 so that the opening and closing plate 30 can be rotated inside the duct 21 by the motor 40 .

The hinge pin 31 is hingably coupled to the inner surface of the duct 21 so as to freely rotate. The motor shaft pin 33 passes through the inner surface of the duct 21 and is formed on the motor shaft. And rotates the opening / closing plate 30.

The detachment means (70)

A hinge pin 71 protruding from the inner periphery of the hinge pin 31 hinged to the duct 21,

A fitting groove (72) provided in the opening / closing plate (30) so that the hinge pin (31)

An engagement groove (73) formed to be connected to the fitting groove (72) so that the engagement wing (71) can be inserted and extracted,

A spring (74) embedded in the fitting groove (72) and elastically supporting the hinge pin (31)

A latching nose 75 protruding from the surface of the latching blade 71,

And a latching protrusion 76 protruding from an inner wall of the opening of the latching groove 73 to receive the latching nose 75.

The latching vane 71 is engaged with the latching groove 73 so that the hinge pin 31 rotates when the opening / closing plate 30 rotates.

The latching nose 75 is caught by the latching jaw 76 so that the hinge pin 31 inserted into the fitting groove 72 is not separated from the fitting groove 72. The latching nose 75 and the latching jaw 76 have an inclined structure so that the latching vane 71 can be inserted into the latching groove 73 in an interference fit manner but not easily removed after the insertion.

The spring 74 resiliently supports the hinge pin 31 from the inside so that the hinge pin 31 is pulled out in a state in which no external force is applied.

The operator may press the hinge pin 31 to push the hinge pin 31 inside the opening and closing plate 30 and connect the opening and closing plate 30 to the duct 21 when the opening and closing plate 30 is coupled to the duct 21. [ When the motor shaft pin 33 is first formed on the motor shaft and then the hinge pin 31 is fitted into the fitting groove 72, (74) and inserted into the fitting groove (72)

When separating the opening / closing plate 30 from the duct 21, the operator removes the hinge pin 31 from the fitting groove 72 by pressing the hinge pin 31, pulls the opening / closing plate 30, After the shaft pin 33 is separated from the motor shaft, the opening and closing board 30 is separated from the duct 21 or the operator pulls the opening and closing board 30 to separate the motor shaft pin 33 from the motor shaft first The hinge pin 31 may be pushed into the fitting groove 72 by pressing the hinge pin 31 and then the opening and closing plate 30 may be separated from the duct 21.

Also, the motor shaft pin 33 may be pulled out as if the hinge pin 31 is pulled out through the attaching / detaching means 70 as described above.

The present invention is equipped with the replacing means 60 and the attaching / detaching means 70 as described above, so that when the sealing pad 50 is worn and damaged or deformed by long-term use, only the sealing pad 50 is simply replaced, Maintenance costs can be reduced.

The duct 21, the opening and closing plate 30, the sealing pad 50, the replacing means 60, and the attaching / detaching means 70 included in the exhaust fan unit 20 may be provided in the intake fan unit.

While the present invention has been described in connection with the preferred embodiments thereof with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the details of the illustrated embodiments, Should be construed as falling within the scope of protection of the present invention.

C: Controller
H: Temperature sensor T: Temperature sensor
10: Enclosure 11: Inlet
20: exhaust fan unit 21: duct
23: exhaust fan 30: open / close plate
40: motor 50: sealing pad
60: Replacement means 61:
63: insertion ring 65: seat groove
67: pressure applying unit 70:
71: engaging blade 72: fitting groove
73: engagement groove 74: spring
75: Thumb nose 76: Jaw chin
100: Central control center 200: Remote control board
300: Wireless sensing module

Claims (3)

Wireless temperature sensor and wireless humidity sensor that detect the temperature and humidity of the site and transmit it wirelessly,
A wireless receiver for receiving temperature and humidity transmitted wirelessly by the wireless temperature sensor and the wireless humidity sensor;
A wireless sensing module including a repeater for transmitting the temperature and humidity received by the wireless receiver to a control center;

A wired communication unit for wired communication with the field devices installed in the field,
A controller for monitoring and controlling the field devices through the wired communication unit,
A data communication unit for communicating with the control center to transmit information about the field devices collected by the controller to the control center, and transmitting a command signal transmitted by the control center to the controller;
And a remote control panel including a wired communication unit, a controller, and a data communication unit, the automatic control system comprising:

Wherein the enclosure is provided with an exhaust fan unit for exhausting the inside of the enclosure to the outside under the control of the controller,

The exhaust fan unit
A duct having a cylindrical structure to communicate the inside and the outside of the housing,
A motor,
An opening / closing plate that is rotated by the motor to open / close the duct,
A sealing pad coupled to a rim of the opening / closing plate and closely contacting the inner surface of the duct,
And replacement means for allowing the sealing pads to be interchangeably coupled to the rim of the opening / closing plate,

The replacement means
A branch portion branched from both sides of the sealing pad to cover both sides of the rim of the opening / closing plate,
A fitting ring provided at an inner end of the branch portion,
A seating groove formed in the opening / closing plate and seated with the fitting ring inserted therein,
And a pressing portion formed on the seating groove to press the surface of the fitting ring,

And a detachment means for detachably coupling the opening and closing plate to the duct,

The detachment means
A hinge pin protruding from an inner periphery of a hinge pin hinged to the duct,
A fitting groove provided in the opening / closing plate so that the hinge pin can be inserted in and out,
An engaging groove formed to be connected to the fitting groove to insert the engaging wing,
A spring embedded in the fitting groove to elastically support the hinge pin,
A latching nose protruding from a surface of the latching blade,
And an engagement protrusion formed on the inner wall of the entrance of the retaining groove for retaining the retaining nose. delete delete

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