Air conditioning system

Abstract

To optimize communication speed switching timing in close-range wireless communication.SOLUTION: In an air conditioning system 1, when an air conditioner 100 starts operating, the air conditioner 100, a sensing device 200, and a humidifier 300 switch a communication speed from low speed to high speed. Also, when the air conditioner 100 stops operating, communication with the sensing device 200 and the humidifier 300 is performed at low speed.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present disclosure relates to an air conditioning system that switches communication speeds to send and receive information in inter-device communication. [Background technology]

[0002] In communication between devices in an air conditioning system, information may be sent and received by switching the communication speed. For example, Patent Document 1 (JP 2017-200122 A) discloses a communication method in a communication network in which low-speed communication devices compatible with low communication speeds and high-speed communication devices compatible with high communication speeds coexist.

[0003] Specifically, low-speed communication is performed between low-speed communication devices or between high-speed communication devices and low-speed communication devices, and low-speed communication is assumed between high-speed communication devices, but can be switched to high-speed communication when the high-speed communication device wishes to perform high-speed communication.

[0004] When the high-speed communication device switches to high-speed communication, communication can be performed between the high-speed communication devices for a predetermined period of time without transmitting a speed switch notification. Summary of the Invention [Problem to be solved by the invention]

[0005] However, Patent Document 1 does not consider switching the communication speed depending on the operating status of the air conditioner equipped with the communication device. Therefore, high-speed communication may be performed even when the air conditioner is operating without high-speed communication, which may result in unnecessary power consumption. Therefore, there is a problem of how to reduce power consumption. [Means for solving the problem]

[0006] An air conditioning system according to a first aspect includes a first functional unit, a second functional unit, a first control unit that controls the first functional unit, and a second control unit that controls the second functional unit. The first control unit and the second control unit perform short-range wireless communication. The communication speed of the short-range wireless communication is switchable between a first speed and a second speed that is faster than the first speed. The communication speed is switched by the first control unit depending on the operating status of the first functional unit.

[0007] In this air conditioning system, the communication speed is switched depending on the operating status of the first functional unit, so it is possible to selectively switch to high-speed communication, which consumes a lot of power, and therefore power consumption can be reduced.

[0008] An air conditioning system according to a second aspect is the air conditioning system according to the first aspect, in which, when the first functional unit and the second functional unit are stopped, the short-range wireless communication is performed at a first speed. When the first functional unit starts operating, the first control unit instructs the second control unit to switch the communication speed from the first speed to the second speed.

[0009] In this air conditioning system, by switching the communication speed to a second speed, which is faster than the first speed, when the first functional unit starts operating, the information necessary for operation is used in a timely manner to optimize operation.On the other hand, when the first functional unit and the second functional unit are not operating, communication is performed at the first speed, which is slower than the second speed, which contributes to reducing power consumption.

[0010] The air conditioning system of the third aspect is the air conditioning system of the second aspect, in which the second function unit continues to stop operating even after the second control unit receives an instruction from the first control unit to switch the communication speed to the second speed and switches to the second speed.

[0011] In this air conditioning system, information can be transmitted and received between the first control unit and the second control unit without activating the second functional unit.

[0012] An air conditioning system according to a fourth aspect is the air conditioning system according to any one of the first aspect to the third aspect, wherein the first control unit and the second control unit switch the communication speed at predetermined time intervals.

[0013] In this air conditioning system, when the first functional unit needs to periodically obtain information from the second functional unit, the communication speed is switched from the first speed (low) to the second speed (high) in accordance with the timing of the information acquisition, thereby making it possible to use the information necessary for operation in a timely manner and perform operation optimally.

[0014] An air conditioning system according to a fifth aspect is the air conditioning system according to any one of the first aspect to the fourth aspect, further comprising a first terminal that transmits an instruction to the first control unit.

[0015] In this air conditioning system, for example, when the control unit (first control unit) of the air conditioner (first functional unit) and the remote control (first terminal) perform short-range wireless communication, the control unit of the air conditioner can be configured so that, triggered by an instruction from the remote control to start operation, the control unit of the air conditioner instructs the control unit (second control unit) of another device (second functional unit) to switch the communication speed to a second speed (high speed).

[0016] An air conditioning system according to a sixth aspect is the air conditioning system according to the fifth aspect, wherein the first terminal performs short-range wireless communication with the first control unit and transmits instructions at a first speed.

[0017] In this air conditioning system, for example, information of the order of "instructions" such as an instruction to start operation or an instruction to stop operation is transmitted at the first speed, which is slower than the second speed, thereby reducing power consumption.

[0018] An air conditioning system according to a seventh aspect is the air conditioning system according to the fifth aspect, in which the pairing between the first control unit and the first terminal is performed at a first speed.

[0019] An air conditioning system according to an eighth aspect is the air conditioning system according to any one of the fifth to seventh aspects, wherein the first control unit acquires data relating to the first functional unit and transmits the data to the first terminal at a second speed.

[0020] In this air conditioning system, for example, when the control unit (first control unit) of the air conditioning indoor unit (first functional unit) and the remote control (first terminal) perform short-range wireless communication, the state of data transmission from the control unit of the air conditioning indoor unit to the remote control affects the optimization of operation, so it is preferable to transmit data quickly at the second speed (high speed).

[0021] An air conditioning system according to a ninth aspect is the air conditioning system according to any one of the first aspect to the eighth aspect, wherein the first functional unit is an air conditioner. [Brief explanation of the drawings]

[0022] [Figure 1] FIG. 1 is a schematic diagram of an air conditioning system. [Figure 2] FIG. 1 is a schematic block diagram of an air conditioning system. [Figure 3] 4 is a sequence chart illustrating communication in an air conditioning system. [Figure 4] 10 is a sequence chart for explaining communication in the air conditioning system after an operation start instruction or an operation stop instruction is transmitted from the remote controller to the air conditioner. [Figure 5] 10 is a flowchart of the communication operation of the air conditioner after an operation start instruction is transmitted from the remote controller to the air conditioner. [Figure 6] 10 is a flowchart of the communication operation of the sensing device after an operation start instruction is transmitted from the remote controller to the air conditioner. [Figure 7] 10 is a sequence chart illustrating communication in the air conditioning system when a data request is transmitted from a remote controller to an air conditioner. DETAILED DESCRIPTION OF THE INVENTION

[0023] (1) Overview of Air Conditioning System 1 1 is a schematic configuration diagram of an air conditioning system 1. In FIG. 1, the air conditioning system 1 includes an air conditioner 100, a sensing device 200, and a humidifier 300.

[0024] The air conditioner 100 has an indoor unit 101 and an outdoor unit 102 connected by piping. The air conditioner 100 uses a vapor compression refrigeration cycle to cool or heat the space to be air-conditioned in which the indoor unit 101 is installed.

[0025] The sensing device 200 performs predetermined measurements, such as measuring at least one of temperature, humidity, radiation temperature, air volume, air direction, air quality (e.g., CO2 concentration), illuminance, brightness, and color temperature.

[0026] The sensing device 200 may also be a digital signal type sensing device such as a human detection sensor. The sensing device 200 may not be a stationary type, but may be a sensing device built into a smartphone or wearable device carried by a person (a sensing device that measures position information or biological information).

[0027] Furthermore, the sensing device 200 may be a plurality of sensing devices, in which case they do not all need to be the same type, but may be different types. In this embodiment, the sensing device 200 is a sensor unit that detects the temperature of the space to be air-conditioned.

[0028] The sensing device 200 measures the temperature and transmits the measurement data to the air conditioner 100 via short-range communication.

[0029] The humidifier 300 transmits and receives information to and from the air conditioner 100 via short-range communication. The humidifier 300 mainly transmits humidity data to the air conditioner 100. Based on the humidity data from the humidifier 300, the air conditioner 100 determines whether or not to operate the humidifier 300.

[0030] In this embodiment, the air conditioner 100, the sensing device 200, and the humidifier 300 communicate with each other using the Bluetooth (registered trademark) standard.

[0031] Near field communication (NFC) is also available as a short-range wireless communication method, but the antenna on the board is larger than that of Bluetooth Low Energy (BLE), which poses installation issues. Therefore, in this embodiment, BLE is used, which offers greater freedom in placement.

[0032] (2) Detailed configuration FIG. 2 is a schematic block diagram of the air conditioning system 1.

[0033] (2-1) Air conditioner 100 The air conditioner 100 has a CPU 110, a receiving unit 120, a transmitting unit 130, and a memory 140. The air conditioner 100 also has a remote control 50. However, instead of the remote control 50, a smartphone may be used.

[0034] In this embodiment, the air conditioner 100 and the remote control 50 communicate using the Bluetooth (registered trademark) standard.

[0035] The CPU 110 reads and executes a program stored in the memory 140 to perform a predetermined process. The CPU 110 also writes the results of calculations into the memory 140 in accordance with the program.

[0036] The receiving unit 120 receives various signals transmitted from the sensing device 200 and the humidifier 300. The receiving unit 120 receives, for example, data D from the sensing device 200 and data MD from the humidifier 300.

[0037] The transmitter 130 transmits various signals to the sensing device 200 and the humidifier 300 as necessary.

[0038] The memory 140 stores various types of information. The information stored in the memory 140 includes data D from the sensing device 200 and data MD from the humidifier 300.

[0039] (2-2) Sensing equipment 200 The sensing device 200 has a sensor function and a communication function, and includes a CPU 210, a receiving unit 220, a transmitting unit 230, a memory 240, a sensor module 250, and a battery 260.

[0040] The CPU 210 performs predetermined processing by reading and executing a program stored in the memory 240. The CPU 210 also writes the results of calculations into the memory 240 in accordance with the program.

[0041] The receiving unit 220 receives various signals transmitted by the air conditioner 100. The information received by the receiving unit 220 is stored in the memory 240.

[0042] The transmission unit 230 transmits various signals to the air conditioner 100. Specifically, the transmission unit 230 transmits data D stored in the memory 240.

[0043] The memory 240 stores various types of information. The information stored in the memory 240 includes data D and information received from the air conditioner 100.

[0044] The sensor module 250 performs predetermined measurements. In this embodiment, the sensor module 250 measures the temperature of the air in the space to be air-conditioned using a thermistor (not shown).

[0045] The battery 260 is used to drive the sensing device 200. Because the sensing device 200 is not connected to a power grid, it has a higher degree of freedom in selecting an installation location and is easier to install than sensing devices that require a power supply from a power grid.

[0046] (2-3) Humidifier 300 As shown in Fig. 1, humidifier 300 employs a system in which air is passed through humidifying filter 301, which has received a supply of water, and moisture is supplied to the passing air. As humidifying filter 301 rotates due to motor 370, it comes into contact with water in water tray 303, thereby supplying water to the ventilation surface. When humidifying filter 301 stops rotating, humidification ceases.

[0047] Water tray 303 receives a supply of water from tank 305, thereby replenishing the water to be supplied to humidifying filter 301. Water in tank 305 is replenished by the user.

[0048] As shown in FIG. 2, the humidifier 300 includes a CPU 310, a receiving unit 320, a transmitting unit 330, a memory 340, a humidity sensor 350, a tank water level sensor 360, and a motor 370.

[0049] CPU 310 reads and executes a program stored in memory 340 to perform predetermined processing. For example, CPU 310 causes humidifier 300 to perform a humidifying operation by operating motor 370, or causes humidifier 300 to stop a humidifying operation by stopping motor 370. CPU 310 also writes calculation results to memory 340 in accordance with the program.

[0050] The receiving unit 320 receives various signals transmitted by the air conditioner 100. The information received by the receiving unit 320 is stored in the memory 340.

[0051] The transmission unit 330 transmits various signals to the air conditioner 100. Specifically, the transmission unit 330 transmits humidity data and the amount of water in the tank.

[0052] The memory 340 stores various types of information. The information stored in the memory 340 includes a control program, humidity information, and information received from the air conditioner 100.

[0053] The humidity sensor 350 provides the CPU 310 with humidity data, and the tank water level sensor 360 provides the CPU 310 with the remaining water level in the tank.

[0054] (3) Communication operation of air conditioning system 1 Fig. 3 is a sequence chart for explaining communication in the air conditioning system 1. In Fig. 3, arrows indicate the direction of signal transmission. Furthermore, solid arrows indicate low-speed communication, and dashed arrows indicate high-speed communication.

[0055] (3-1) Pairing process When the air conditioner 100 is installed in the space to be air-conditioned and turned on, and a battery is installed in the remote control 50, the remote control 50 sends a pairing request to the air conditioner 100 via low-speed communication. The CPU 110 of the air conditioner 100 responds to the pairing request from the remote control 50, and pairing processing between the air conditioner 100 and the remote control 50 is performed via low-speed communication.

[0056] Furthermore, when the sensing device 200 is powered on for the first time, the CPU 210 of the sensing device 200 transmits a pairing request to the air conditioner 100 via the transmission unit 230 at low speed communication. The CPU 110 of the air conditioner 100 responds to the pairing request from the sensing device 200, and pairing processing between the air conditioner 100 and the sensing device 200 is performed at low speed communication.

[0057] Furthermore, when the humidifier 300 is powered on for the first time, the CPU 310 of the humidifier 300 transmits a pairing request to the air conditioner 100 via low-speed communication through the transmission unit 330. The CPU 110 of the air conditioner 100 responds to the pairing request from the humidifier 300, and pairing processing between the air conditioner 100 and the humidifier 300 is performed via low-speed communication.

[0058] As described above, the pairing process is performed at a low speed, thereby reducing power consumption.

[0059] (3-2) Data transmission and reception Furthermore, after the pairing process between the air conditioner 100 and the remote control 50 is completed, the remote control 50 requests data from the air conditioner 100 via low-speed communication. Meanwhile, when the CPU 110 of the air conditioner 100 receives a data request from the remote control 50 via the receiving unit 120, it transmits the data stored in the memory 140 via the transmitting unit 130. The data that the remote control 50 requests from the air conditioner 100 includes temperature, humidity, electricity charges, etc. Normally, data transmission from the air conditioner 100 to the remote control 50 is performed via low-speed communication.

[0060] After the pairing process between the air conditioner 100 and the sensing device 200 is completed, the sensing device 200 starts measurement. In this embodiment, the sensor module 250 of the sensing device 200 is a temperature sensor module that measures the temperature at a predetermined timing, and the measurement value is stored in the memory 240 as data D.

[0061] The CPU 110 of the air conditioner 100 requests data D from the sensing device 200 via the transmission unit 130 at low speed. When the CPU 210 of the sensing device 200 receives a request to send data D from the air conditioner 100 via the reception unit 220, the CPU 210 transmits the data D at low speed via the transmission unit 230. When the reception unit 120 receives data D from the sensing device 200, the CPU 110 of the air conditioner 100 stores the data D in the memory 140.

[0062] After the pairing process between the air conditioner 100 and the humidifier 300 is completed, the CPU 310 of the humidifier 300 starts measuring the humidity via the humidity sensor 350. The CPU 310 also stores the measurement value of the humidity sensor 350, the operating time of the humidifier 300, and the measurement value of the tank water level sensor 360 in the memory 340 as data MD.

[0063] The CPU 110 of the air conditioner 100 requests the humidifier 300 to transmit data MD via low-speed communication through the transmission unit 130. When the CPU 310 of the humidifier 300 receives a request to transmit the data MD from the air conditioner 100 via the reception unit 320, it transmits the data MD via low-speed communication through the transmission unit 330. When the reception unit 120 of the air conditioner 100 receives the data MD from the humidifier 300, the CPU 110 stores the data MD in the memory 140.

[0064] (3-3) Communication speed switching Fig. 4 is a sequence chart for explaining communications in the air conditioning system 1 after an operation start instruction or an operation stop instruction is sent from the remote control 50 to the air conditioner 100. In Fig. 4, arrows indicate the direction of signal transmission. Solid arrows indicate low-speed communications, and dashed arrows indicate high-speed communications.

[0065] (3-3-1) Communication Operation of the Air Conditioner 100 5 is a flowchart of the communication operation of the air conditioner 100 after an operation start instruction is sent from the remote controller 50 to the air conditioner 100. This operation will be described below with reference to FIGS.

[0066] (Step S1) In step S1, the CPU 110 of the air conditioner 100 determines whether or not an operation start command has been issued from the remote controller 50.

[0067] If there is an operation start instruction from the remote controller 50, the CPU 110 proceeds to step S2, and if there is no operation start instruction from the remote controller 50, the CPU 110 proceeds to step S7.

[0068] (Step S2) In step S2, the CPU 110 instructs the sensing device 200 and the humidifier 300 via the transmission unit 130 to switch the communication speed to a high speed.

[0069] (Step S3) In step S3, the CPU 110 requests data from the sensing device 200 and the humidifier 300 at high speed via the transmission unit 130. The CPU 110 requests the sensing device 200 for data D and the humidifier 300 for data MD.

[0070] (Step S4) In step S4, the CPU 110 receives data from the sensing device 200 and the humidifier 300 via the receiving unit 120. The CPU 110 receives data D from the sensing device 200 and data MD from the humidifier 300.

[0071] (Step S5) In step S5, the CPU 110 of the air conditioner 100 determines whether or not there is an operation stop instruction from the remote control 50. If there is an operation stop instruction from the remote control 50, the process proceeds to step S6. If there is no operation stop instruction from the remote control 50, the process returns to step S3.

[0072] (Step S6) In step S6, the CPU 110 instructs the sensing device 200 and the humidifier 300 via the transmission unit 130 to switch the communication speed to a low speed.

[0073] (Step S7) In step S7, CPU 110 requests data from sensing device 200 and humidifier 300 at low speed via transmission unit 130. CPU 110 requests data D from sensing device 200 and data MD from humidifier 300.

[0074] (Step S8) In step S8, the CPU 110 receives data from the sensing device 200 and the humidifier 300 via the receiving unit 120. The CPU 110 receives data D from the sensing device 200 and data MD from the humidifier 300.

[0075] (Step S9) In step S9, the CPU 110 determines whether the power has been turned off. If the CPU 110 determines that the power has been turned off, it ends the control, and if it determines that the power has not been turned off, it returns to step S1.

[0076] As described above, the CPU 110 is triggered by an operation start instruction from the remote control 50 to instruct the sensing device 200 and the humidifier 300 to switch the communication speed to a high speed.

[0077] Furthermore, the CPU 110 is triggered by an instruction to stop operation from the remote control 50 to instruct the sensing device 200 and the humidifier 300 to switch the communication speed to a low speed.

[0078] (3-3-2) Communication Operation of the Sensing Device 200 In FIG. 5, the communication operation seen from the CPU 110 side of the air conditioner 100 has been explained, so here, the communication operation seen from the CPU 210 side of the sensing device 200 will be explained.

[0079] 6 is a flowchart of the communication operation of the sensing device 200 after an operation start instruction is transmitted from the remote control 50 to the air conditioner 100. The operation will be described below with reference to FIGS.

[0080] (Step S11) In step S11, the CPU 210 of the sensing device 200 determines whether or not there is an instruction from the air conditioner 100 to switch the communication speed to a high speed.

[0081] If there is an instruction to switch the communication speed to a high speed, the CPU 210 proceeds to step S12, and if there is no instruction to switch the communication speed to a high speed, the CPU 210 proceeds to step S17.

[0082] (Step S12) In step S12, the CPU 210 switches the communication speed to a high speed.

[0083] (Step S13) In step S13, the CPU 210 determines whether or not there is a data transmission request from the air conditioner 100.

[0084] If there is a data transmission request, the CPU 210 proceeds to step S14, and if there is no data transmission request, the CPU 210 continues to determine whether there is a data transmission request.

[0085] (Step S14) In step S14, CPU 210 transmits data at high speed via transmission unit 230. The data to be transmitted is data D.

[0086] (Step S15) In step S15, the CPU 210 of the sensing device 200 determines whether or not there is an instruction from the air conditioner 100 to switch the communication speed to a low speed.

[0087] If there is an instruction to switch the communication speed to a low speed, the CPU 210 proceeds to step S16, and if there is no instruction to switch the communication speed to a low speed, the CPU 210 proceeds to step S13.

[0088] (Step S16) In step S16, the CPU 210 switches the communication speed to a low speed.

[0089] (Step S17) In step S17, the CPU 210 determines whether or not there is a data transmission request from the air conditioner 100.

[0090] If there is a data transmission request, the CPU 210 proceeds to step S18, and if there is no data transmission request, the CPU 210 returns to step S11.

[0091] (Step S18) In step S18, CPU 210 transmits data at low speed via transmission unit 230. The data to be transmitted is data D.

[0092] (Step S19) In step S19, the CPU 210 determines whether the power has been turned off. If the CPU 210 determines that the power has been turned off, it ends the control, and if it determines that the power has not been turned off, it returns to step S11.

[0093] As described above, the CPU 210 of the sensing device 200 switches the communication speed to a high speed, triggered by an instruction from the air conditioner 100 to switch the communication speed to a high speed.

[0094] Furthermore, the CPU 210 switches the communication speed to a low speed when triggered by an instruction from the air conditioner 100 to switch the communication speed to a low speed.

[0095] Furthermore, the sensing device 200 communicates with the air conditioner 100 by switching the communication speed between high and low speeds in response to an instruction from the air conditioner 100 without being started up.

[0096] (3-3-3) Communication Operation of Humidifier 300 The communication operation of the humidifier 300 also follows a flow similar to that of Fig. 6. Therefore, the CPU 310 of the humidifier 300 switches the communication speed to a high speed when triggered by an instruction from the air conditioner 100 to switch the communication speed to a high speed.

[0097] Furthermore, the CPU 310 switches the communication speed to a low speed when triggered by an instruction from the air conditioner 100 to switch the communication speed to a low speed.

[0098] Furthermore, the humidifier 300 communicates with the air conditioner 100 by switching the communication speed between high and low speeds in response to an instruction from the air conditioner 100 without starting up.

[0099] (4) Features (4-1) In this air conditioning system 1, when the air conditioner 100 starts operating, the air conditioner 100, the sensing device 200, and the humidifier 300 switch the communication speed from low to high.

[0100] Furthermore, when the air conditioner 100 is not operating, communication with the sensing device 200 and the humidifier 300 is performed at a low speed.

[0101] In this way, it is possible to selectively switch to high-speed communication, which consumes a lot of power, and it is possible to reduce power consumption.

[0102] (4-2) In the air conditioning system 1, even after the CPU 210 of the sensing device 200 and the CPU 310 of the humidifier 300, which are currently stopped, receive an instruction from the CPU 110 of the air conditioner 100 to switch the communication speed to high speed and switch to high speed, the sensing device 200 and the humidifier 300 continue to be stopped without starting up.

[0103] (4-3) In the air conditioning system 1, an operation start instruction from the remote control 50 to the CPU 110 of the air conditioner 100 serves as a trigger for the CPU 110 of the air conditioner 100 to instruct the CPU 210 of the sensing device 200 and the CPU 310 of the humidifier 300 to switch the communication speed to a high speed.

[0104] (4-4) In the air conditioning system 1, the remote control 50 transmits instructions to start or stop operation at a low speed to the CPU 110 of the air conditioner 100. By transmitting information that is merely an "instruction" from the remote control 50 at a low speed, power consumption can be reduced.

[0105] (4-5) Pairing between the air conditioner 100 and the remote control 50 is performed at a low speed.

[0106] (5) Variations (5-1) In the above embodiment, the communication speed is switched to a high speed when the remote control 50 issues an instruction to start operation to the air conditioner 100, and the communication speed is switched to a low speed when the remote control 50 issues an instruction to stop operation to the air conditioner 100, but this is not limited to this.

[0107] For example, the communication speed may be switched at predetermined time intervals between the air conditioner 100 and the sensing device 200 and humidifier 300. As a result, when the air conditioner 100 needs to periodically acquire data D and data MD from the sensing device 200 and humidifier 300, the communication speed is switched from low to high in accordance with the timing of information acquisition. This allows the information required for operation to be used in a timely manner, enabling optimal operation.

[0108] Furthermore, the communication speed between the air conditioner 100 and the sensing device 200 and the humidifier 300 may be switched depending on the operating status of the air conditioner 100.

[0109] For example, even if the air conditioner 100 is in operation, when the air conditioner 100 is in the thermo-off state, the communication speed for the sensing device 200 and the humidifier 300 may be switched to a low speed.

[0110] Similarly, when the thermostat is turned on, the air conditioner 100 may switch the communication speed for the sensing device 200 and the humidifier 300 to a high speed.

[0111] (Terminology explanation) Here, the "thermo off" and "thermo on" will be explained. For example, when an indoor unit is connected to an outdoor unit, the indoor temperature control sets an allowable range for the set temperature of the indoor unit.

[0112] Here, thermo-off means that when the difference between the room temperature and the set temperature falls within the allowable range during air conditioning operation, that is, when the room temperature approaches the set temperature, the air conditioning operation is stopped.

[0113] Thermo-on means that the air conditioning operation is resumed when the difference between the room temperature and the set temperature falls outside the allowable range from the thermo-off state, i.e., when the difference between the room temperature and the set temperature widens.

[0114] In this modified example, one indoor unit is connected to the outdoor unit. Thermo-off means that when the difference between the indoor temperature and the set temperature falls within the allowable range during air conditioning operation, the compressor is stopped and the indoor unit suspends air conditioning operation. Thermo-on means that when the difference between the indoor temperature and the set temperature falls outside the allowable range while in the thermo-off state, the compressor is restarted and the air conditioning operation of the indoor unit is resumed.

[0115] (5-2) FIG. 7 is a sequence chart for explaining communication in the air conditioning system when a data request is sent from the remote controller 50 to the air conditioner 100.

[0116] Regarding the communication speed from the air conditioner 100 to the remote control 50 when the remote control 50 requests data from the air conditioner 100, for example, the CPU 110 of the air conditioner 100 may transmit the data acquired by the air conditioner 100 to the remote control 50 at high speed.

[0117] The data includes data D from the sensing device 200 or data MD from the humidifier 300. Of course, it is not necessary to transmit all data at high speed, and only a portion of the data may be transmitted at high speed. Examples of data that are preferably transmitted at high speed include positional information and biological sensing information.

[0118] Although the embodiments of the present disclosure have been described above, it will be understood that various changes in form and details can be made without departing from the spirit and scope of the present disclosure as defined in the claims. [Explanation of symbols]

[0119] 1. Air conditioning system 50 Remote Control (1st Device) 100 Air conditioner (1st functional part) 110 CPU (first control unit) 200 Sensing device (second function part) 210 CPU (second control unit) [Prior art documents] [Patent documents]

[0120] [Patent Document 1] Japanese Patent Application Laid-Open No. 2017-200122

Claims

1. A first functional part (100); A second functional unit (200); a first control unit (110) that controls the first function unit (100); a second control unit (210) that controls the second function unit (200); Equipped with The first control unit (110) and the second control unit (210) perform short-range wireless communication, a communication speed of the short-range wireless communication is switchable between a first speed and a second speed that is faster than the first speed; The communication speed is switched by the first control unit (110) depending on the operating status of the first function unit (100). Air conditioning system.

2. When the first functional unit (100) and the second functional unit (200) are stopped, the short-range wireless communication is performed at the first speed; When the first functional unit (100) starts operation, the first control unit (110) instructs the second control unit (210) to switch the communication speed from the first speed to the second speed. The air conditioning system of claim 1 .

3. Even after the second control unit (210) receives an instruction to switch the communication speed to the second speed from the first control unit (110) and switches the communication speed to the second speed, the second function unit (200) continues to stop operation.

3. The air conditioning system of claim 2.

4. The first control unit (110) and the second control unit (210) switch the communication speed at predetermined time intervals. An air conditioning system according to any one of claims 1 to 3.

5. The system further includes a first terminal (50) that transmits instructions to the first control unit (110). An air conditioning system according to any one of claims 1 to 4.

6. The first terminal (50) performs short-range wireless communication with the first control unit (110), transmitting the instructions at the first rate; 6. The air conditioning system of claim 5.

7. The pairing between the first control unit (110) and the first terminal (50) is performed at the first speed.

6. The air conditioning system of claim 5.

8. The first control unit (110) acquires data related to the first function unit (100), transmitting the data to the first terminal (50) at the second rate; The air conditioning system according to any one of claims 5 to 7.

9. The first functional unit (100) is an air conditioner. The air conditioning system according to any one of claims 1 to 8.

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