Multi-split communication interference simulation device and multi-split communication detection system

Abstract

The utility model discloses a multi-online communication interference simulation device and a multi-online communication detection system, the communication interference simulation device comprises a power supply module, a microcontroller, an amplification circuit and a coupling module, the coupling module comprises at least one coupling interface in at least one coupling form; the power supply module is respectively connected with the microcontroller and the amplifying circuit, and the amplifying circuit is connected with the coupling module; the power supply module is used for supplying power to the microcontroller and the amplifying circuit; the microcontroller is used for sending an interference signal to the amplifying circuit; the amplifying circuit is used for amplifying the interference signal to a target voltage and outputting the amplified interference signal to the coupling module; the coupling interface is used for being coupled with an external communication line in a corresponding coupling mode so as to load the amplified interference signal to the external communication line. According to the invention, the anti-interference capability of communication among the devices of the multi-split system can be conveniently evaluated.

Description

Technical Field

[0001] The present application belongs to the field of air conditioning technology, and in particular relates to a multi-link communication interference simulation device and a multi-link communication detection system. Background Art

[0002] Multi-split central air conditioners consist of one or more outdoor units connected to multiple indoor units and are usually used in large places such as shopping malls and factories.

[0003] Multi-split systems require communication between internal units, between internal and external units, and between internal units and controllers. Due to the complex installation scenarios of multi-split systems, complex electromagnetic interference may occur, making communication between devices susceptible to interference. Current approaches to combating interference include continuously improving communication anti-interference capabilities and installing multi-split systems in complex scenarios to verify inter-device communication reliability. This requires a reliable communication interference simulator to output interference signals. Utility Model Content

[0004] In view of this, embodiments of the present application provide a multi-connection communication interference simulation device and a multi-connection communication detection system, which can conveniently evaluate the anti-interference capability of communications between devices in a multi-connection system.

[0005] The present invention provides a multi-connection communication interference simulation device, comprising:

[0006] A power supply module, a microcontroller, an amplifying circuit, and a coupling module, wherein the coupling module includes at least one coupling interface of at least one coupling form;

[0007] The power supply module is connected to the microcontroller and the amplifier circuit respectively, and the amplifier circuit is connected to the coupling module;

[0008] The power supply module is used to supply power to the microcontroller and the amplifying circuit;

[0009] The microcontroller is used to send the interference signal to the amplifying circuit;

[0010] The amplifier circuit is used to amplify the interference signal to a target voltage and output the amplified interference signal to the coupling module;

[0011] The coupling interface is used to couple with the external communication line in a corresponding coupling form to load the amplified interference signal onto the external communication line.

[0012] In a possible implementation, the coupling module includes at least one coupling interface in a resistive coupling form and at least one coupling interface in a capacitive coupling form.

[0013] In a possible implementation, the resistive coupling coupling interface includes a resistor, and two ends of the resistor are respectively connected to the amplifying circuit and an external communication line.

[0014] In a possible implementation, the resistor is a variable resistor.

[0015] In a possible implementation, the capacitive coupling coupling interface includes a capacitor, and two poles of the capacitor are respectively connected to the amplifying circuit and an external communication line.

[0016] In a possible implementation, the apparatus further includes:

[0017] A control button is connected to the microcontroller and is used to send an adjustment instruction of the interference signal to the microcontroller.

[0018] In a possible implementation, the apparatus further includes:

[0019] The display is connected to the microcontroller and is used for receiving the waveform information of the interference signal sent by the microcontroller and displaying the waveform information of the interference signal.

[0020] In a possible implementation, the display is a dot matrix display.

[0021] In a possible implementation, the power module is connected to an AC power source and / or a DC power source, and the power module can convert AC power into DC power.

[0022] In a possible implementation, the number of coupling interfaces of resistive coupling type and the number of coupling interfaces of capacitive coupling type in the coupling module are the same.

[0023] In a possible implementation, the number of coupling interfaces of the resistive coupling type and the number of coupling interfaces of the capacitive coupling type in the coupling module are respectively 2.

[0024] An embodiment of the present application further provides a multi-connection communication detection system, comprising: the multi-connection communication interference simulation device of the above embodiment and a multi-connection device; the multi-connection communication interference simulation device is coupled to the communication line of the multi-connection device.

[0025] The multi-connected communication interference simulation device of the embodiment of the present application includes a power supply module, a microcontroller, an amplifier circuit and a coupling module, wherein the coupling module includes at least one coupling interface of at least one coupling form; the power supply module is respectively connected to the microcontroller and the amplifier circuit, and the amplifier circuit is connected to the coupling module; the power supply module is used to supply power to the microcontroller and the amplifier circuit; the microcontroller is used to send an interference signal to the amplifier circuit; the amplifier circuit is used to amplify the interference signal to a target voltage and output the amplified interference signal to the coupling module; the coupling interface is used to couple with an external communication line in a corresponding coupling form to load the amplified interference signal onto the external communication line. Compared with the existing technology, this solution can realize the loading of interference signals onto the communication line in a variety of coupling forms, and can conveniently evaluate the anti-interference capability of communication between various devices in a multi-connected system. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference symbols are used throughout the drawings to represent the same components. In the drawings:

[0027] Attachment Figure 1 It shows one of the structural schematic diagrams of a multi-line communication interference simulation device provided by the present application;

[0028] Attachment Figure 2 The second structural diagram of a multi-connected communication interference simulation device provided by the present application is shown;

[0029] Attachment Figure 3 The third structural diagram of a multi-connected communication interference simulation device provided by the present application is shown;

[0030] Attachment Figure 4 The figure shows a structural diagram of a multi-connection communication detection system provided by the present application.

[0031] Reference numerals:

[0032] Multi-link communication interference simulation device 100;

[0033] Power supply module 10 , microcontroller 20 , amplifier circuit 30 , coupling module 40 , control button 50 , display 60 .

[0034] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0038] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0039] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0040] Figure 1 This is a structural diagram of a multi-connection communication interference simulation device provided by an embodiment of the present application. Figure 1As shown, the multi-link communication interference simulation device 100 includes a power module 10, a microcontroller 20, an amplifier circuit 30, and a coupling module 40. The coupling module 40 includes at least one coupling interface of at least one coupling type. The power module 10 is connected to the microcontroller 20 and the amplifier circuit 30, respectively, and the amplifier circuit 30 is connected to the coupling module 40.

[0041] The power module 10 is used to supply power to the microcontroller 20 and the amplifier circuit 30. Specifically, the power module 10 is connected to both an AC power source and a DC power source, or it can be connected to only an AC power source or a DC power source. The AC power source can be AC ​​220V, and the DC power source can be DC 12V / 24V. The power module 10 is provided with a power conversion circuit capable of converting AC power to DC power, for example, converting AC 220V to DC 12V / 24V. Therefore, the power module 10 can input AC 220V and DC 24V or 12V to provide power for device operation and energy for loading interference.

[0042] The microcontroller 20 is configured to transmit the interference signal to the amplifying circuit 30. Specifically, the microcontroller 20 can generate interference signals of various waveforms, and can generate interference signals of user-required waveforms according to user instructions. In the embodiment of the present application, the microcontroller 20 can store different preset interference waveforms and, through an upgrade method, save the collected interference forms for different scenarios, which can be retrieved when needed.

[0043] The amplifier circuit 30 is used to amplify the interference signal generated by the microcontroller 20 to a target voltage, and output the amplified interference signal to the coupling module 40 .

[0044] In the coupling module 40 , the coupling interface is used to couple with the external communication line in a corresponding coupling form, so as to load the amplified interference signal onto the external communication line.

[0045] Specifically, the coupling module 40 includes at least one coupling interface in the form of resistive coupling and at least one coupling interface in the form of capacitive coupling.

[0046] In some embodiments, the number of resistive coupling interfaces and capacitive coupling interfaces in the coupling module 40 is the same. Specifically, the number of resistive coupling interfaces and capacitive coupling interfaces is 2 respectively.

[0047] like Figure 1 As shown, the coupling module 40 includes two resistive coupling coupling interfaces (respectively voltage 1 resistive coupling interface and voltage 2 resistive coupling interface) and two capacitive coupling coupling interfaces (respectively voltage 1 capacitive coupling interface and voltage 2 capacitive coupling interface).

[0048] Specifically, the resistive coupling coupling interface includes a resistor, the two ends of which are connected to the amplifier circuit 30 and the external communication line, respectively, allowing the interference signal to be directly applied to the communication line. The resistor can be configured as a variable resistor, and the magnitude of the interference signal voltage can be changed by varying the resistance value. Direct resistive coupling allows interference to be directly applied to the communication line by adjusting the input voltage to the same voltage as the communication line. The adjustable resistance value allows for adjustable interference energy.

[0049] Specifically, the capacitive coupling interface includes a capacitor, the two electrodes of which are connected to the amplifier circuit 30 and the external communication line respectively, so that the interference signal can be coupled and loaded onto the communication line. Capacitive coupling is isolated from communication and can achieve indirect coupling of different voltages.

[0050] like Figure 2 As shown, in some embodiments, the multi-connection communication interference simulation device provided by the embodiment of the present application may further include: a control button 50.

[0051] Specifically, a user can input an interference signal adjustment instruction via the control button 50. The control button 50 is connected to the microcontroller 20 and is used to send the interference signal adjustment instruction to the microcontroller 20. The microcontroller 20 adjusts the interference frequency and duration of the interference signal according to the adjustment instruction. For example, the interference frequency can be adjusted within a range of 1K to 1M.

[0052] like Figure 3 As shown, in some embodiments, the multi-connection communication interference simulation device provided by the embodiment of the present application may further include: a display 60.

[0053] Specifically, the display 60 is connected to the microcontroller 20, and is used to receive the waveform information of the interference signal sent by the microcontroller 20 and display the waveform information of the interference signal. In practical applications, the display 60 can be a dot matrix display.

[0054] It can be seen that in the embodiment of the present application, the interference source can be generated by the microcontroller 20, and the display 60 and the control button 50 are used to adjust the interference frequency and interference duration.

[0055] The multi-connected communication interference simulation device provided in the embodiment of the present application is suitable for medium and short-range communications of 5m to 1200m and 4800 / 9600 low communication rate communications. It can be used to simulate the complex interference that exists when a multi-connected system is installed within this range, and load the interference onto the communication line, thereby conveniently evaluating the anti-interference capability of the communication in places such as laboratories.

[0056] The multi-connected communication interference simulation device of the embodiment of the present application includes a power supply module, a microcontroller, an amplifier circuit and a coupling module, wherein the coupling module includes at least one coupling interface of at least one coupling form; the power supply module is respectively connected to the microcontroller and the amplifier circuit, and the amplifier circuit is connected to the coupling module; the power supply module is used to supply power to the microcontroller and the amplifier circuit; the microcontroller is used to send an interference signal to the amplifier circuit; the amplifier circuit is used to amplify the interference signal to a target voltage and output the amplified interference signal to the coupling module; the coupling interface is used to couple with an external communication line in a corresponding coupling form to load the amplified interference signal onto the external communication line. Compared with the existing technology, this solution can realize the loading of interference signals onto the communication line in a variety of coupling forms, and can conveniently evaluate the anti-interference capability of communication between various devices in a multi-connected system.

[0057] Figure 4 This is a structural diagram of a multi-connection communication detection system provided by an embodiment of the present application. Figure 4 As shown, the multi-connection communication detection system includes: a multi-connection communication interference simulation device 100 and a multi-connection device 200; the multi-connection communication interference simulation device 100 is coupled to the communication line of the multi-connection device 200.

[0058] The multi-connection device 200 may be an internal unit, an external unit, or a controller in a multi-connection system. The multi-connection communication interference simulation apparatus 100 may load an interference signal onto the communication line of the multi-connection device 200 .

[0059] like Figure 1 As shown, a multi-link communication interference simulation device 100 includes a power module 10, a microcontroller 20, an amplifier circuit 30, and a coupling module 40. The coupling module 40 includes at least one coupling interface of at least one coupling type. The power module 10 is connected to the microcontroller 20 and the amplifier circuit 30, respectively, and the amplifier circuit 30 is connected to the coupling module 40.

[0060] The power supply module 10 is used to supply power to the microcontroller 20 and the amplifier circuit 30; specifically, the power supply module 10 is connected to both an AC power supply and a DC power supply, or can be connected only to an AC power supply or a DC power supply.

[0061] The microcontroller 20 is used to send the interference signal to the amplifying circuit 30; specifically, the microcontroller 20 can generate interference signals with various waveforms, and can specifically generate interference signals with user-required waveforms according to user instructions.

[0062] The amplifier circuit 30 is used to amplify the interference signal generated by the microcontroller 20 to a target voltage, and output the amplified interference signal to the coupling module 40 .

[0063] In the coupling module 40 , the coupling interface is used to couple with the external communication line in a corresponding coupling form, so as to load the amplified interference signal onto the external communication line.

[0064] Specifically, the coupling module 40 includes at least one coupling interface in the form of resistive coupling and at least one coupling interface in the form of capacitive coupling.

[0065] Specifically, the resistive coupling interface includes a resistor, the two ends of which are connected to the amplifier circuit 30 and the external communication line, respectively, so that the interference signal can be directly loaded onto the communication line. The resistor can be configured as a variable resistor, and the magnitude of the interference signal voltage can be changed by changing the resistance value.

[0066] Specifically, the coupling interface in the form of capacitive coupling includes a capacitor, and two poles of the capacitor are respectively connected to the amplifying circuit 30 and an external communication line, so that the interference signal can be coupled and loaded onto the communication line.

[0067] like Figure 2 As shown, the multi-connection communication interference simulation device provided in the embodiment of the present application may further include: a control button 50.

[0068] Specifically, the control button 50 is connected to the microcontroller 20 , and the control button 50 is used to send an adjustment instruction of the interference signal to the microcontroller 20 , and the microcontroller 20 adjusts the interference frequency and interference duration of the interference signal according to the adjustment instruction.

[0069] like Figure 3 As shown, the multi-connection communication interference simulation device provided in the embodiment of the present application may further include: a display 60.

[0070] Specifically, the display 60 is connected to the microcontroller 20, and is used to receive the waveform information of the interference signal sent by the microcontroller 20 and display the waveform information of the interference signal. The display 60 can be a dot matrix display.

[0071] It should be noted that:

[0072] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0073] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but a person of ordinary skill in the art will recognize the application of other processes and / or the use of other materials.

[0074] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative descriptions 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 any one or more embodiments or examples.

[0075] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A multi-line communication interference simulation device, characterized in that: include: A power supply module, a microcontroller, an amplifying circuit, and a coupling module, wherein the coupling module includes at least one coupling interface of at least one coupling form; The power supply module is connected to the microcontroller and the amplifier circuit respectively, and the amplifier circuit is connected to the coupling module; The power supply module is used to supply power to the microcontroller and the amplifying circuit; The microcontroller is used to send the interference signal to the amplifying circuit; The amplifier circuit is used to amplify the interference signal to a target voltage and output the amplified interference signal to the coupling module; The coupling interface is used to couple with the external communication line in a corresponding coupling form to load the amplified interference signal onto the external communication line.

2. The multi-connection communication interference simulation device according to claim 1, characterized in that: The coupling module includes at least one coupling interface in the form of resistive coupling and at least one coupling interface in the form of capacitive coupling.

3. The multi-connection communication interference simulation device according to claim 2, characterized in that: The resistive coupling coupling interface includes a resistor, and two ends of the resistor are connected to the amplifying circuit and an external communication line respectively.

4. The multi-connection communication interference simulation device according to claim 3, characterized in that: The resistor is a variable resistor.

5. The multi-connection communication interference simulation device according to claim 2, characterized in that: The capacitive coupling coupling interface includes a capacitor, and two poles of the capacitor are connected to the amplifying circuit and the external communication line respectively.

6. The multi-connection communication interference simulation device according to claim 1, characterized in that: The device further comprises: A control button is connected to the microcontroller and is used to send an adjustment instruction of the interference signal to the microcontroller.

7. The multi-connection communication interference simulation device according to any one of claims 1 to 6, characterized in that: The device further comprises: The display is connected to the microcontroller and is used for receiving the waveform information of the interference signal sent by the microcontroller and displaying the waveform information of the interference signal.

8. The multi-connection communication interference simulation device according to claim 7, characterized in that: The display is a dot matrix display.

9. The multi-connection communication interference simulation device according to claim 1, characterized in that: The power supply module is connected to an AC power supply and / or a DC power supply, and the power supply module can convert AC power into DC power.

10. The multi-connection communication interference simulation device according to claim 2, characterized in that: The number of coupling interfaces in the resistive coupling form and the number of coupling interfaces in the capacitive coupling form in the coupling module are the same.

11. The multi-connection communication interference simulation device according to claim 10, characterized in that: The number of the coupling interfaces of the resistive coupling type and the number of the coupling interfaces of the capacitive coupling type in the coupling module are respectively 2.

12. A multi-connection communication detection system, characterized in that: It comprises the multi-connection communication interference simulation device and the multi-connection equipment according to any one of claims 1 to 11, wherein the multi-connection communication interference simulation device is coupled to the communication line of the multi-connection equipment.

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