Identification methods, devices, and multi-split air conditioning systems

Abstract

This invention relates to the field of air conditioning technology, and more particularly to a method, apparatus, and multi-split air conditioning system for identifying multi-split air conditioning pipes. The method for identifying multi-split air conditioning pipes includes: assigning unique identification information to each pipe; transmitting the corresponding identification information at one end of the pipe; receiving the corresponding identification information at the other end of the pipe; and determining the corresponding relationship of the pipes based on the received identification information at the other end of the pipe. The method, apparatus, and multi-split air conditioning system provided by this invention, by transmitting identification information at one end of the pipe and receiving identification information at the other end, determine the corresponding relationship of the pipes to be connected within the multi-split air conditioning system, thereby ensuring the correct routing of the laid pipelines, improving work efficiency, and reducing installation costs.

Description

Technical Field

[0001] This invention relates to the field of air conditioning technology, and in particular to a method, apparatus, and multi-split air conditioning system for identifying multi-split air conditioning units. Background Technology

[0002] Currently, buildings often have multiple functions on each floor with varying usage times, placing specific requirements on the installation of air conditioning systems. To save energy, multiple multi-split air conditioning systems are needed to meet different usage needs. However, modern buildings require a complete facade, so the outdoor units of these systems are typically located on the roof or in intermediate equipment floors. The connection pipes for these systems need to be routed through vertical shafts to the indoor units on each floor, resulting in a large number of copper pipes within the shafts and a cluttered layout. If multiple multi-split air conditioning systems need to be installed simultaneously, workers may find it difficult to distinguish the corresponding pipes, leading to incorrect connections. Incorrect pipe connections can cause indoor units to malfunction, requiring reconnection, refrigerant release, and reinstallation, increasing installation workload and costs.

[0003] Therefore, when installing multi-split air conditioning units, due to the large number of units and long pipes, it is difficult to determine the correspondence between the two ends of the pipes after the pipes are laid, which can easily lead to incorrect pipe connections. There is an urgent need for a method, device, and multi-split air conditioning system that can identify the correspondence between the two ends of the pipes. Summary of the Invention

[0004] This invention provides a method, device, and multi-split air conditioning system for identifying multi-split air conditioning pipes, in order to solve the problem that in the prior art, it is difficult to determine the correspondence between the two ends of the pipes during the installation of multi-split air conditioning units, which easily leads to pipe connection errors, requires reconnection of pipes, and increases the workload and cost of installation.

[0005] This invention provides a method for identifying multi-unit air conditioning units, comprising:

[0006] Set a unique identification information for each connecting pipe;

[0007] The corresponding identification information is transmitted from one end of the connection tube;

[0008] The corresponding identification information is received at the other end of the connection tube;

[0009] At the other end of the connection tube, the correspondence of the connection tube is determined based on the received identification information.

[0010] According to a method for identifying multi-unit control tubes provided by the present invention, the step of setting unique corresponding identification information for each control tube specifically includes: setting unique corresponding acoustic wave information for each control tube; the step of transmitting the corresponding identification information at one end of the control tube specifically includes: transmitting the corresponding acoustic wave information at one end of the control tube; the step of receiving the corresponding identification information at the other end of the control tube specifically includes: receiving the corresponding acoustic wave information at the other end of the control tube; and the step of determining the correspondence of the control tubes at the other end of the control tube based on the received identification information specifically includes: determining the correspondence of the control tubes at the other end of the control tube based on the received acoustic wave information.

[0011] According to a method for identifying multi-unit tubes provided by the present invention, the step of setting unique corresponding acoustic wave information for each tube specifically includes: setting acoustic wave information of different frequencies for each tube; the step of determining the correspondence of the tubes based on the received acoustic wave information at the other end of the tube specifically includes: determining the correspondence of the tubes based on the received acoustic waves of different frequencies at the other end of the tube.

[0012] According to a method for identifying multi-unit pipes provided by the present invention, before the step of setting unique corresponding identification information for each multi-unit pipe, the method further includes: setting a unique corresponding number for each multi-unit pipe; and during the step of setting unique corresponding identification information for each multi-unit pipe, the method further includes: the number and the identification information are uniquely corresponding.

[0013] According to a method for identifying multi-unit pipes provided by the present invention, the step of determining the correspondence of the multi-unit pipes based on the received identification information at the other end of the multi-unit pipe specifically includes: determining the number at the other end of the multi-unit pipe based on the received identification information to determine the correspondence of the multi-unit pipes.

[0014] The present invention also provides a multi-unit tube identification device, comprising:

[0015] Multiple identification information transmitting mechanisms are provided, each corresponding to one end of a connection tube; each identification information transmitting mechanism is used to set a unique identification information for each connection tube, and is also used to transmit the corresponding identification information at one end of the connection tube.

[0016] Multiple identification information receiving mechanisms are provided, one-to-one, at the other end of the connection tube. Each identification information receiving mechanism is used to receive the corresponding identification information at the other end of the connection tube, and is also used to determine the correspondence of the connection tubes based on the received identification information at the other end of the connection tube.

[0017] According to the present invention, a multi-unit tube identification device is provided, wherein the identification information transmitting mechanism comprises:

[0018] An operation display unit has multiple operation positions, each operation position uniquely corresponding to the number of the corresponding connection tube;

[0019] A sound wave emitting unit is located at one end of the connecting tube and connected to the operation display unit. The sound wave emitting unit can emit sound waves of corresponding frequencies according to the operation position.

[0020] According to the present invention, a multi-unit tube identification device is provided, wherein the identification information receiving mechanism includes:

[0021] A sound wave receiving unit is located at the other end of the connecting tube and is used to receive sound waves emitted by the sound wave emitting unit at one end of the connecting tube.

[0022] A receiving and display unit is connected to the sound wave receiving unit. The receiving and display unit can display the corresponding gear according to the frequency of the sound wave received by the sound wave receiving unit, so as to determine the number of the connecting tube.

[0023] According to the present invention, a multi-unit tube identification device further includes: a first connecting unit, wherein the identification information transmitting mechanism is connected to one end of the multi-unit tube through the first connecting unit; and a second connecting unit, wherein the identification information receiving mechanism is connected to the other end of the multi-unit tube through the second connecting unit.

[0024] The first and second connecting units each have a variable-sized connector at one end connected to the connecting pipe, for connection to the connecting pipe of a corresponding size.

[0025] The present invention also provides a multi-split air conditioning system, including: the multi-split pipe identification method or the multi-split pipe identification device according to the embodiments of the present invention.

[0026] This invention provides a method for identifying multi-unit air conditioning conduits. By assigning unique identification information to each conduit, the method transmits the identification information at one end of the conduit and receives it at the other end. The corresponding relationship between the conduits is determined based on the received identification information. This method, by transmitting identification information at one end of the conduit and receiving it at the other end, determines the corresponding relationship of the conduits to be connected within the multi-unit air conditioning conduit network, thereby ensuring the correct routing of the laid pipelines, improving work efficiency, and reducing installation costs.

[0027] Furthermore, the present invention provides a multi-unit pipe identification device, in which multiple identification information transmitting mechanisms are correspondingly arranged at one end of the pipe, and multiple identification information receiving mechanisms are correspondingly arranged at the other end of the pipe. The identification information transmitting mechanisms assign unique identification information to each pipe and transmit the corresponding identification information at one end of the pipe; the identification information receiving mechanisms receive the corresponding identification information at the other end of the pipe and determine the correspondence of the pipes based on the received identification information. This allows for the identification of the pipes to be connected within the multi-unit pipe system, ensuring the correct routing of the laid pipelines, improving work efficiency, and reducing installation costs.

[0028] Furthermore, the multi-split air conditioning system provided by the present invention has the same advantages as described above, since it applies the multi-split pipe identification method in the above embodiments of the present invention or includes the multi-split pipe identification device in the above embodiments of the present invention. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0030] Figure 1 This is one of the flowcharts illustrating the method for identifying multi-unit pipes provided in one embodiment of the present invention;

[0031] Figure 2 This is a schematic diagram of the structure of the identification device for the multi-unit pipe provided in one embodiment of the present invention, which is installed on the multi-unit pipe;

[0032] Figure 3 This is a schematic diagram of the structure of the identification information transmitting mechanism provided in one embodiment of the present invention;

[0033] Figure 4 This is a schematic diagram of the structure of the identification information receiving mechanism provided in one embodiment of the present invention;

[0034] Figure 5 This is a schematic diagram of the structure of the first control unit provided in one embodiment of the present invention.

[0035] Figure label:

[0036] 1: Identification information transmitting mechanism; 11: Sound wave transmitting unit; 12: Operation display unit; 13: Transmitting processor; 2: Identification information receiving mechanism; 21: Sound wave receiving unit; 22: Receiving display unit; 23: Receiving processor; 3: First control unit. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0038] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0040] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0041] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0042] The following is combined with Figure 1 This invention describes a method for identifying multi-split air conditioning units. The method specifically includes the following steps:

[0043] S1. Set a unique identification information for each connecting pipe;

[0044] S2. Transmit the corresponding identification information at one end of the connection tube;

[0045] S3. Receive the corresponding identification information at the other end of the connection tube;

[0046] S4. At the other end of the connection tube, determine the corresponding relationship of the connection tube based on the received identification information.

[0047] Specifically, each connecting pipe is assigned a unique identification information. This means that each connecting pipe is assigned a unique identification information that allows it to be distinguished from other connecting pipes. During assembly, the corresponding identification information is transmitted from one end of each connecting pipe and received at the other end. Based on the received identification information, the corresponding relationship of the laid connecting pipes is determined, thereby ensuring the correct routing of the pipeline.

[0048] It should be understood that the aforementioned "identification information" can be a single piece of information or information formed by combining multiple pieces of information, such as: sound wave information of different frequencies, material information of different pipe materials, surface information of different pipe surfaces, or identification information formed by combining multiple pieces of information. As long as the information can be easily identified and can be transmitted between the two ends of the connecting pipe, it is considered as "identification information" in this invention.

[0049] This invention provides a method for identifying multi-unit air conditioning conduits. By assigning unique identification information to each conduit, the method transmits the identification information at one end of the conduit and receives it at the other end. The corresponding relationship between the conduits is determined based on the received identification information. This method, by transmitting identification information at one end of the conduit and receiving it at the other end, determines the corresponding relationship of the conduits to be connected within the multi-unit air conditioning conduit network, thereby ensuring the correct routing of the laid pipelines, improving work efficiency, and reducing installation costs.

[0050] In one embodiment of the present invention, the step of setting unique corresponding identification information for each connecting tube, i.e., step S1, specifically includes: setting unique corresponding acoustic wave information for each connecting tube. The step of transmitting the corresponding identification information at one end of the connecting tube, i.e., step S2, specifically includes: transmitting the corresponding acoustic wave information at one end of the connecting tube. The step of receiving the corresponding identification information at the other end of the connecting tube, i.e., step S3, specifically includes: receiving the corresponding acoustic wave information at the other end of the connecting tube. The step of determining the correspondence of the connecting tubes based on the received identification information at the other end of the connecting tube, i.e., step S4, specifically includes: determining the correspondence of the connecting tubes based on the received acoustic wave information at the other end of the connecting tube. In this embodiment, acoustic wave information is used as the identification information for the connecting tubes. The acoustic wave information is transmitted through the connecting tubes, and it is ensured that the set acoustic wave information uniquely corresponds to the connecting tube, so that the correspondence of the connecting tubes can be determined through the acoustic wave information. The correspondence between connecting tubes is determined by acoustic wave information. This acoustic wave information has the advantages of being easy to adjust and easy to transmit in the connecting tube. The acoustic wave information can be adjusted according to different connecting tubes, which has the advantage of wide applicability.

[0051] In one embodiment of the present invention, the step of setting unique corresponding acoustic wave information for each connecting tube specifically includes: setting acoustic wave information of different frequencies for each connecting tube. At the other end of the connecting tube, the step of determining the correspondence of the connecting tubes based on the received acoustic wave information specifically includes: at the other end of the connecting tube, determining the correspondence of the connecting tubes based on the received acoustic waves of different frequencies. In this embodiment, by setting different frequencies of acoustic waves for different connecting tubes, the correspondence is determined at the other end based on the frequency of the received acoustic waves. For example, the first connecting tube emits an acoustic wave of a first frequency through an acoustic wave transmitter, the second connecting tube emits an acoustic wave of a second frequency through an acoustic wave transmitter, and so on. At the other end of the connecting tube, acoustic waves are received, and the correspondence of the connecting tubes is determined based on the frequency of the received acoustic waves. For example, if an acoustic wave of the first frequency is received, it can be determined to be the first connecting tube; if an acoustic wave of the second frequency is received, it can be determined to be the second connecting tube, and so on. In this embodiment, the correspondence of the connecting tubes is determined by adjusting the frequency of the emitted sound waves. The sound wave frequency adjustment is simple, easy to operate and judge. The sound wave transmitter and receiver can be placed inside the connecting tube, and the sound waves are transmitted through the connecting tube itself, thereby avoiding mutual interference between the connecting tubes and accurately determining the correspondence of the connecting tubes.

[0052] In one embodiment of the present invention, before the step of setting unique corresponding identification information for each connecting tube, the following step is further included: S0, setting a unique corresponding number for each connecting tube. The step of setting unique corresponding identification information for each connecting tube, i.e., step S1, further includes: the number and the identification information are uniquely correlated. In this embodiment, before setting the identification information for the connecting tube, each connecting tube is first numbered, and identification information is set according to its respective number. In the embodiment where "identification information" is the acoustic wave information, after each connecting tube is numbered, each connecting tube is assigned a corresponding gear position, and the gear positions on each connecting tube are different. Each gear position uniquely corresponds to its number and identification information. Acoustic waves of corresponding frequencies are emitted according to different gear positions, thereby facilitating the determination and recording of the correspondence between the connecting tubes.

[0053] In one embodiment of the present invention, the step of determining the correspondence of the connection tubes based on the received identification information at the other end of the connection tube, i.e., step S4, specifically includes: determining a number at the other end of the connection tube based on the received identification information to determine the correspondence of the connection tubes. According to the above embodiment, the connection tubes were numbered in steps S0 and S1, and in step S4, the number was determined based on the identification information, thereby determining the correspondence of the connection tubes. In the embodiment where the "identification information" is acoustic wave information, after receiving the acoustic wave at the other end of the connection tube, a unique gear position is determined based on its acoustic wave frequency, thereby determining the corresponding number of the connection tube, i.e., determining the correspondence of the connection tubes, thus facilitating the determination and recording of the correspondence of the connection tubes.

[0054] The following is combined with Figures 2 to 5 This invention describes a multi-unit tube identification device. The multi-unit tube identification device includes: multiple identification information transmitting mechanisms 1 and multiple identification information receiving mechanisms 2.

[0055] Among them, multiple identification information transmitting mechanisms 1 are set at one end of the connection tube in a one-to-one correspondence, and multiple identification information receiving mechanisms 2 are set at the other end of the connection tube in a one-to-one correspondence.

[0056] The identification information transmitting mechanism 1 is used to set a unique identification information for each connection tube. The identification information transmitting mechanism 1 is also used to transmit the corresponding identification information at one end of the connection tube. The identification information receiving mechanism 2 is used to receive the corresponding identification information at the other end of the connection tube. The identification information receiving mechanism 2 is also used to determine the correspondence of the connection tubes at the other end of the connection tube based on the received identification information.

[0057] This invention provides an identification device for multi-unit pipes. Multiple identification information transmitting mechanisms 1 are correspondingly arranged at one end of the pipe, and multiple identification information receiving mechanisms 2 are correspondingly arranged at the other end. The identification information transmitting mechanisms 1 assign unique identification information to each pipe and transmit the corresponding identification information at one end of the pipe. The identification information receiving mechanisms 2 receive the corresponding identification information at the other end of the pipe and determine the correspondence between the pipes based on the received identification information. This allows for the identification of the pipes to be connected within the multi-unit pipe system, ensuring the correct routing of the laid pipelines, improving work efficiency, and reducing installation costs.

[0058] In one embodiment of the present invention, the identification information transmitting mechanism 1 includes an operation display unit 12 and a sound wave emitting unit 11. The operation display unit 12 has multiple operation positions, each uniquely corresponding to a serial number on a connecting tube. The sound wave emitting unit 11 is located at one end of the connecting tube and connected to the operation display unit 12. The sound wave emitting unit 11 can emit sound waves of corresponding frequencies according to the operation position. Specifically, different operation positions are selected on the operation display unit 12 according to the serial number of the connecting tube, and the sound wave emitting unit 11 emits sound waves of corresponding frequencies according to the different operation positions, making it easy to adjust.

[0059] In one embodiment of the present invention, the identification information transmitting mechanism 1 further includes a transmitting processor 13, which is connected between the operation display unit 12 and the sound wave transmitting unit 11, and is used to issue corresponding instructions according to the operation position of the operation display unit 12, thereby controlling the sound wave transmitting unit 11 to emit sound waves of a specified frequency.

[0060] In one embodiment of the present invention, the identification information receiving mechanism 2 includes a sound wave receiving unit 21 and a receiving display unit 22. The sound wave receiving unit 21 is located at the other end of the connecting tube and is used to receive sound waves emitted by the sound wave emitting unit 11 at one end of the connecting tube. The receiving display unit 22 is connected to the sound wave receiving unit 21 and can display the corresponding gear position according to the frequency of the sound wave received by the sound wave receiving unit 21 to determine the connecting tube number. Specifically, the sound wave receiving unit 21 can receive the sound waves emitted by the sound wave emitting unit 11 at one end of the connecting tube, and the receiving display unit 22 displays the corresponding gear position according to the received sound wave frequency, and determines the corresponding number based on the gear position, thereby determining the corresponding relationship of the connecting tubes, making it easy to accurately and quickly determine the corresponding relationship of the connecting tubes.

[0061] In one embodiment of the present invention, the identification information receiving mechanism 2 further includes a receiving processor 23, which is connected between the sound wave receiving unit 21 and the receiving display unit 22, and is used to determine the corresponding gear according to the sound wave frequency received by the sound wave receiving unit 21, thereby controlling the receiving display unit 22 to display the corresponding gear.

[0062] In one embodiment of the present invention, the identification device for the multi-unit tube further includes: a first connecting unit 3 and a second connecting unit. The identification information transmitting mechanism 1 is connected to one end of the multi-unit tube via the first connecting unit 3, and the identification information receiving mechanism 2 is connected to the other end of the multi-unit tube via the second connecting unit. The first connecting unit 3 and the second connecting unit have variable-sized connectors at their ends connected to the multi-unit tube, allowing them to connect to multi-unit tubes of corresponding sizes. Specifically, the sound wave emitting unit 11 in the identification information transmitting mechanism 1 is connected to one end of the multi-unit tube via the first connecting unit 3, so that the sound waves emitted by the sound wave emitting unit 11 are transmitted to one end of the multi-unit tube via the first connecting unit 3, and the sound waves are transmitted from one end of the multi-unit tube to the other end. The sound wave receiving unit 21 in the identification information receiving mechanism 2 is connected to the other end of the multi-unit tube via the second connecting unit, so that the sound waves are transmitted from the other end of the multi-unit tube to the sound wave receiving unit 21 via the second connecting unit. Furthermore, since the first connecting unit 3 and the second connecting unit have variable-sized connectors, they can match multi-unit tubes of corresponding sizes, making them widely applicable. Specifically, as... Figure 5 As shown, the first connecting pipe unit 3 and the second connecting pipe unit have the same structure. One end of the first connecting pipe unit 3 is a fixed-size threaded structure. The sound wave emitting unit 11 can be connected to the first connecting pipe unit 3 through a nut, and the sound wave receiving unit 21 can be connected to the second connecting pipe unit through a nut. The other end of the second connecting pipe unit is a multi-segment telescopic structure. Each telescopic structure has a different diameter and a threaded structure. By adjusting the extension of the telescopic structure, a variable-size threaded connection structure is formed at its end, thereby matching the nut of the corresponding size of the connecting pipe for connection.

[0063] The present invention also provides a multi-split air conditioning system. This multi-split air conditioning system includes: a multi-split pipe identification method or a multi-split pipe identification device according to the above embodiments of the present invention.

[0064] The multi-split air conditioning system provided by the present invention has the same advantages as described above because it applies the multi-split pipe identification method or includes the multi-split pipe identification device in the above embodiments of the present invention.

[0065] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0066] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., including several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods of various embodiments or some parts of embodiments.

[0067] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for identifying multi-unit air conditioning units, characterized in that, include: Each connecting pipe is assigned a unique corresponding number; Each online tube is assigned a unique corresponding identification information, which also includes: the number and the identification information are uniquely correlated; The corresponding identification information is transmitted from one end of the connection tube; The corresponding identification information is received at the other end of the connection tube; At the other end of the connection tube, the correspondence of the connection tube is determined based on the received identification information; The identification information is formed by a combination of one or more of the following: sound wave information of different frequencies, material information of different pipe materials, and surface information of different pipe surfaces.

2. The method for identifying multi-unit air conditioning units according to claim 1, characterized in that, The step of setting a unique corresponding identification information for each connection tube specifically includes: setting a unique corresponding acoustic wave information for each connection tube; The step of transmitting the corresponding identification information at one end of the connection tube specifically includes: transmitting the corresponding acoustic wave information at one end of the connection tube; The step of receiving the corresponding identification information at the other end of the connection tube specifically includes: receiving the corresponding acoustic wave information at the other end of the connection tube; The step of determining the correspondence of the connection tubes based on the received identification information at the other end of the connection tube specifically includes: determining the correspondence of the connection tubes based on the received acoustic wave information at the other end of the connection tubes.

3. The method for identifying multi-unit air conditioning units according to claim 2, characterized in that, The step of setting a unique corresponding acoustic wave information for each connecting tube specifically includes: setting acoustic wave information of different frequencies for each connecting tube. The step of determining the correspondence of the connection tubes based on the received acoustic wave information at the other end of the connection tube specifically includes: determining the correspondence of the connection tubes based on the received acoustic waves of different frequencies at the other end of the connection tubes.

4. The method for identifying multi-unit air conditioning units according to claim 1, characterized in that, The step of determining the correspondence of the online connections based on the received identification information at the other end of the online connection specifically includes: At the other end of the connection tube, the number is determined based on the received identification information to determine the correspondence of the connection tubes.

5. A device for identifying multi-unit air conditioning units, characterized in that, The device comprising the multi-unit tube identification method according to any one of claims 1 to 4, wherein the device includes: Multiple identification information transmitting mechanisms are provided, each corresponding to one end of a connection tube; each identification information transmitting mechanism is used to set a unique identification information for each connection tube, and is also used to transmit the corresponding identification information at one end of the connection tube. Multiple identification information receiving mechanisms are provided, one-to-one, at the other end of the connection tube. Each identification information receiving mechanism is used to receive the corresponding identification information at the other end of the connection tube, and is also used to determine the correspondence of the connection tubes based on the received identification information at the other end of the connection tube.

6. The identification device for multi-unit tubes according to claim 5, characterized in that, The identification information transmitting mechanism includes: An operation display unit has multiple operation positions, each operation position uniquely corresponding to the number of the corresponding connection tube; A sound wave emitting unit is located at one end of the connecting tube and connected to the operation display unit. The sound wave emitting unit can emit sound waves of corresponding frequencies according to the operation position.

7. The identification device for multi-unit air conditioning units according to claim 6, characterized in that, The identification information receiving mechanism includes: A sound wave receiving unit is located at the other end of the connecting tube and is used to receive sound waves emitted by the sound wave emitting unit at one end of the connecting tube. A receiving and display unit is connected to the sound wave receiving unit. The receiving and display unit can display the corresponding gear according to the frequency of the sound wave received by the sound wave receiving unit, so as to determine the number of the connecting tube.

8. The identification device for multi-unit air conditioning units according to any one of claims 5 to 7, characterized in that, Also includes: The first control unit is used to connect the identification information transmitting mechanism to one end of the connection tube. The second control unit is used to connect the identification information receiving mechanism to the other end of the connection tube. The first and second connecting units each have a variable-sized connector at one end connected to the connecting pipe, for connection to the connecting pipe of a corresponding size.

9. A multi-split air conditioning system, characterized in that, include: The method for identifying multi-unit air conditioning units according to any one of claims 1 to 4 or the device for identifying multi-unit air conditioning units according to any one of claims 5 to 8 may be used.

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