TWI481802B - Air conditioning system - Google Patents

Description

Air Conditioning System

The invention relates to an air conditioning system.

In the technical field of the conventional air conditioning system, the working environment is mostly monitored by a temperature and humidity sensor, and it is judged whether the operation of the air conditioning system is normal. However, in the conventional technical field, it is often necessary to detect abnormalities of the air conditioning system through the above-mentioned monitoring method of the working environment after a considerable degree of abnormality has occurred in the interior of the air conditioning system.

In other words, in the conventional technical field, when an abnormality of the air conditioning system is detected, most of the internal components of the air conditioning system have been damaged, and maintenance of the air conditioning system at this time requires high maintenance costs and Repair time. Moreover, while performing maintenance of the air conditioning system, the air conditioning system must be shut down for maintenance, resulting in wasted time and cost.

The invention provides an air conditioning system, which can know the abnormal state of the air conditioning system early.

The air conditioning system of the present invention includes a compressor, a refrigerant controller, and a water drop phenomenon sensor. The compressor is coupled between the condenser line and the evaporator line. The compressor receives gas from the evaporator line for compression and delivers the compressed gas to the condenser line. The refrigerant controller is connected in series between the condenser line and the evaporator line. The refrigerant controller is used to adjust the flow of refrigerant delivered to the evaporator line by the condenser line. The water drop phenomenon sensor is coupled to the monitored pipeline between the evaporator line and the compressor. The water drop phenomenon sensor obtains water droplets by detecting a large number of water droplets generated on the monitored pipeline.

In an embodiment of the invention, the water drop phenomenon sensor includes a sensing platform and a sound receiver. The sensing platform collides with the water droplets to produce a water droplet sound. The sound receiver detects the sound of water droplets to produce an acoustic signal.

In an embodiment of the invention, the water drop phenomenon sensor further includes an acceleration gauge. The acceleration gauge is coupled to the sensing platform for detecting the force information of the water droplet impacting the sensing platform.

In an embodiment of the invention, the air conditioning system further includes a monitoring host. The monitoring host is coupled with a water drop phenomenon sensor, and receives the power information generated by the water drop phenomenon sensor and the acoustic signal to determine whether the air conditioning system is working normally.

In an embodiment of the invention, the monitoring host further includes receiving the speed information of the compressor, and further determining the air conditioning system to work normally according to the speed information and the power information and the acoustic signal.

In an embodiment of the invention, when the monitoring host determines that the working state of the air conditioning system is abnormal, the monitoring host sends a warning signal.

In an embodiment of the invention, the air conditioning system further includes a condenser and an evaporator. A condenser is disposed on the condenser line. The evaporator is arranged on the evaporator line.

In an embodiment of the invention, the air conditioning system further includes a heat sink. The heat sink is disposed adjacent to the condenser line for performing heat dissipation on the condenser line.

In an embodiment of the invention, the heat dissipation device is a heat dissipation fan.

Based on the above, the present invention determines whether the air conditioning system is working normally by arranging a water drop phenomenon sensor on the monitored pipeline between the evaporator line and the compressor, and by detecting the state of a plurality of water droplets on the monitored pipeline. . In this way, the abnormal state of the air conditioning system can be effectively detected before the abnormal state occurs. Therefore, the user can perform maintenance on the air conditioning system before the abnormal state of the air conditioner occurs to ensure that the air conditioning system does not undergo irreparable damage.

The above described features and advantages of the invention will be apparent from the following description.

100, 200‧‧‧ air conditioning system

110, 210‧‧‧ condenser pipeline

111, 211‧‧ ‧ condenser

120, 220‧‧‧ evaporator line

121, 221‧‧ ‧ evaporator

130, 230‧‧‧Compressors

140, 240‧‧‧ refrigerant controller

150, 250‧‧‧ water drop phenomenon sensor

180,280‧‧‧ water droplets

251‧‧‧Sensing platform

252‧‧ ‧ Acceleration regulations

253‧‧‧Sound Receiver

270‧‧‧ Heat sink

290‧‧‧Monitoring host

291‧‧‧Digital Filter Unit

292‧‧‧Adaptive calculation unit

293‧‧‧Arithmetic unit

DP1‧‧‧ monitored pipeline

IN‧‧‧ input signal

RPMIN‧‧‧Speed Information

EN‧‧‧Feature information

TUN‧‧‧Adjustment signal

FIN‧‧‧ Strength Information

SIN‧‧‧Acoustic signal

DN‧‧‧ background information

FIG. 1 is a schematic diagram of an air conditioning system 100 in accordance with an embodiment of the present invention.

FIG. 2 is a schematic diagram of an air conditioning system 200 according to another embodiment of the present invention.

FIG. 3 illustrates a system block diagram of the monitoring host 290.

Please refer to FIG. 1. FIG. 1 is a schematic diagram of an air conditioning system 100 according to an embodiment of the present invention. The air conditioning system 100 includes a compressor 130, a refrigerant controller 140, and a water drop phenomenon sensor 150. The compressor 130 is coupled between the condenser line 110 and the evaporator line 120. Compressor 130 receives gas from evaporator line 120 for compression and delivers the compressed gas to condenser line 110. The refrigerant controller 140 is connected in series between the condenser line 110 and the evaporator line 120. The refrigerant controller 140 is used to adjust the flow of refrigerant delivered to the evaporator line 120 by the condenser line 110. The water drop phenomenon sensor 150 is coupled to the monitored pipeline DP1 between the evaporator line 120 and the compressor 130. The water drop phenomenon sensor 150 determines whether the air conditioning system 100 is working normally according to detecting a plurality of water drops 180 generated on the monitored pipeline DP1.

Specifically, in the present embodiment, the water drop phenomenon sensor 150 receives a plurality of water droplets 180 generated on the monitored pipeline DP1, and determines whether the air conditioning system 100 is operating normally according to one or more states of the water droplets 180. For example, the water drop phenomenon sensor 150 can receive the sound of water droplets generated by the impact of the water droplet 180 when it falls, and obtain an acoustic signal according to the sound of the water drop. The water drop phenomenon sensor 150 can also detect when the water drop 180 is dropped. The strength of the impact platform to gain power information. The acoustic signal and/or power information obtained by the water drop phenomenon sensor 150 can be used as a basis for judging whether the air conditioning system 100 is working normally.

Here, the sound of the water droplets in the present embodiment changes the magnitude of the sound energy as the volume of the water droplets 180, and the frequency at which the water droplets sound is generated also changes due to the speed at which the water droplets 180 are generated. In other words, the change of the water drop phenomenon generated on the monitored pipeline DP1 can be judged by the acoustic signal, thereby the air conditioning system 100 Whether an abnormality has occurred is judged.

In addition, the above-mentioned power information is also generated according to the volume of the water droplet 180, and the analysis of the power information can more clearly know the volume of the water droplet 180 generated on the monitored pipeline DP1, thereby more accurately It is judged whether or not an abnormality has occurred in the air conditioning system 100.

Incidentally, in the present embodiment, the air conditioning system 100 further includes a condenser 111 and an evaporator 121, wherein the condenser 111 and the evaporator 121 are respectively disposed on the condenser line 110 and the evaporator line 120 for The condenser line 110 and the evaporator line 120 are separately condensed and evaporated.

Please refer to FIG. 2 below. FIG. 2 is a schematic diagram of an air conditioning system 200 according to another embodiment of the present invention. The air conditioning system 200 includes a condenser line 210, an evaporator line 220, a compressor 230, a refrigerant controller 240, a water drop phenomenon sensor 250, a heat sink 270, and a monitoring host 290. Notably, the water drop phenomenon sensor 250 includes a sensing platform 251, an acceleration gauge 252, and a sound receiver 253. Wherein, the water drop phenomenon sensor 250 provides the sensing platform 251 to receive the water drop 280, and when the water drop 280 collides with the sensing platform 251, the water drop phenomenon sensor 250 transmits the water drop 280 to the impact sensing platform through the sound receiver 253 The water droplets generated at 251 are sounded and the acoustic signal SIN is generated. In addition, the accelerometer 252 is coupled to the sensing platform 251, and when the water droplet 280 collides with the sensing platform 251, the water droplet 280 is struck against the sensing platform 251 by detecting the displacement of the sensing platform 251 due to the impact. Power Information FIN. The heat sink 270 can be a heat sink fan.

The water drop phenomenon sensor 250 transmits the generated power information FIN and sound The signal SIN is learned to monitor the host 290. The monitoring host 290 determines whether an abnormality has occurred in the air conditioning system 200 based on the received power information FIN and the acoustic signal SIN. In addition, the monitoring host 290 can also receive the rotation speed information RPMIN of the compressor 230, and determine whether the air conditioning system 200 is abnormal according to the rotation speed information RPMIN, the power information FIN, and the acoustic signal SIN.

It is particularly worth noting that in order to avoid the influence of environmental noise, the monitoring host 290 can detect the environmental noise first and obtain the environmental noise data during the working process, so that when the monitoring host 290 receives the acoustics When the signal SIN is used, the noise component in the acoustic signal SIN can be filtered out by using the pre-detected environmental noise to obtain more accurate information about the water droplet sound. In addition, the monitoring host 290 receives the rotation speed information RPMIN according to the speed information of different compressors, and cooperates with the power information FIN and the acoustic signal SIN to more accurately determine the abnormal phenomenon of the air conditioning system 200.

In the implementation of the present invention, the monitoring host 290 determines that there is an abnormality in the working state of the air conditioning system 200. The monitoring host 290 can send an alert signal. Here, the warning signal may be a sound signal or an image signal. The monitoring host 290 can issue a warning sound through the buzzer as a warning signal to inform the operator of the air conditioning system 200 of the abnormal state of the air conditioning system 200. The monitoring host 290 can also send a warning light signal through the light emitting diode or the light bulb as a warning signal to inform the operator of the air conditioning system 200 of the abnormal state of the air conditioning system 200. further more. The monitoring host 290 can also display the abnormal state of the air conditioning system 200 through the display screen.

In another implementation of the present invention, the monitoring host 290 can receive the rotational speed information RPMIN, the power information FIN, and the acoustic signal SIN through a long-distance signal transmission method (eg, the Internet). In this way, the monitoring action of the air conditioning system 200 can also be performed through a remote computer, a mobile phone, and/or various types of handheld electronic devices. Through this more immediate online monitoring method, the user can further monitor the state of the air conditioning system 200 and perform the most immediate maintenance action when the air conditioning system 200 is about to be abnormal.

Please refer to FIG. 3 below. FIG. 3 is a block diagram of the system of the monitoring host 290. The monitoring host 290 includes a digital filtering unit 291, an adaptive computing unit 292, and an arithmetic operation unit 293. The digital filtering unit 291 receives the input signal IN including the rotational speed information RPMIN, the power information FIN, and the acoustic signal SIN, and performs digital filtering. The digital filtering unit 291 may be a finite impulse response (FIR) filter or an infinite impulse response (IIR) filter, or a combination of the two. The arithmetic operation unit 293 receives the result generated by the digital filtering unit 291 and receives background information DN such as an environmental noise. The arithmetic operation unit 293 performs an operation of subtracting the result generated by the digital filtering unit 291 from the background information DN to obtain the feature information EN. The characteristic information EN can effectively reflect the water drop phenomenon of the air conditioning system. Therefore, the monitoring host 290 can know whether the air conditioning system has an abnormality according to the characteristic information EN.

The adaptive calculation unit 292 is coupled to the digital filtering unit 291 and receives the input signal IN. The adaptive calculation unit 292 performs an adaptive calculation on the input signal IN and the feature information EN to generate an adjustment signal TUN. The adjustment signal TUN is transmitted to The digital filtering unit 291 is connected and used as a basis for adjusting the weight value of the digital filtering unit 291. The method of adaptive calculus is a technique well known to those skilled in the art and will not be described here.

In summary, the present invention detects the water droplets in the air conditioning system as a possibility to determine whether an abnormality has occurred in the air conditioning system. In this way, the abnormal state of the air conditioning system can be detected in advance, and the maintenance personnel can perform maintenance operations on the air conditioning system before the component of the air conditioning system is destroyed. In this way, the air conditioning system does not need to be shut down for maintenance, and the components of the air conditioning system are not seriously damaged, the maintenance cost is greatly reduced, and the proper state of the air conditioning system is effectively maintained.

100‧‧‧Air conditioning system

110‧‧‧Condenser pipeline

120‧‧‧Evaporator piping

130‧‧‧Compressor

140‧‧‧Refrigerant Controller

150‧‧‧Water drop sensor

180‧‧‧ water droplets

DP1‧‧‧ monitored pipeline

Claims (10)

An air conditioning system comprising: a compressor coupled between a condenser line and an evaporator line, the compressor receiving gas from the evaporator line for compression, and delivering a compressed gas To the condenser line; a refrigerant controller connected in series between the condenser line and the evaporator line, the refrigerant controller for adjusting the refrigerant transferred from the condenser line to the evaporator line And a water drop phenomenon sensor coupled to a monitored pipeline between the evaporator line and the compressor to obtain water droplets according to detecting a plurality of water droplets generated on the monitored pipeline. The air conditioning system of claim 1, wherein the water drop phenomenon sensor comprises: a sensing platform that collides with the water droplets to generate a water droplet sound; and a sound receiver that detects the water droplet sound To generate an acoustic signal. The air conditioning system of claim 2, wherein the water drop phenomenon sensor further comprises: an acceleration gauge coupled to the sensing platform for detecting a force information of the water droplets striking the sensing platform . The air conditioning system of claim 3, further comprising: a monitoring host coupled to the water drop phenomenon sensor, receiving the power information generated by the water drop phenomenon sensor and the acoustic signal to determine the Is the air conditioning system positive? Work often. The air conditioning system of claim 4, wherein the monitoring host further comprises receiving a speed information of the compressor, and further determining, according to the speed information, the power information and the acoustic signal to determine whether the air conditioning system is normal. jobs. The air conditioning system of claim 4, wherein the monitoring host sends an alert signal when the monitoring host determines that the operating state of the air conditioning system is abnormal. The air conditioning system of claim 5, wherein the monitoring host comprises: a digital filtering unit that receives the power information, the acoustic signal, and the rotational speed information; and an adaptive computing unit coupled to the digital filtering unit Receiving the power information, the acoustic signal, and the rotational speed information, the adaptive computing unit performs an adaptive calculation on the power information, the acoustic signal, the rotational speed information, and a characteristic information to generate an adjustment signal; and an arithmetic operation unit, Coupling the digital filtering unit and the adaptive computing unit, the arithmetic operation unit receives a background information to perform an arithmetic operation with the result generated by the digital filtering unit, and generates feature information, wherein the adjustment signal is used to adjust The weight value of the digital filtering unit. The air conditioning system of claim 1, further comprising: a condenser disposed on the condenser line; and an evaporator disposed on the evaporator line. The air conditioning system of claim 1, wherein the method further comprises: A heat dissipating device is disposed adjacent to the condenser line for performing a heat dissipating action on the condenser tube. The air conditioning system of claim 9, wherein the heat sink is a heat dissipation fan.