CN220338593U - Multi-split air conditioner - Google Patents
Multi-split air conditioner Download PDFInfo
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- CN220338593U CN220338593U CN202320643980.1U CN202320643980U CN220338593U CN 220338593 U CN220338593 U CN 220338593U CN 202320643980 U CN202320643980 U CN 202320643980U CN 220338593 U CN220338593 U CN 220338593U
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- outdoor unit
- electric control
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- 238000004891 communication Methods 0.000 claims abstract description 172
- 238000001514 detection method Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a multi-split air conditioner, and belongs to the technical field of air conditioners. The outdoor unit electric control box is electrically connected with the communication converter, and the communication converter is electrically connected with the controller. According to the utility model, the communication converter and the controller are arranged in the outdoor unit electric control box, and when the brands of the indoor unit electric control box are replaced, the communication converter converts the protocol of the indoor unit electric control box into the corresponding communication protocol of the outdoor unit electric control box, so that the outdoor unit electric control box can be connected with indoor unit electric control boxes of different brands.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a multi-split air conditioner.
Background
All brands in the existing air conditioner multi-split air conditioner market use a communication protocol (between an inner machine and an outer machine and between an outer machine and a manual operator) which is closed, so that brands in the demand of an updating machine in the market are switched into work which cannot be completed, for example, an indoor machine of a brand A cannot be connected with an outdoor machine of a brand B; or the outdoor unit of the brand A cannot be connected with the manual operation device of the brand B, but the maintenance amount of the multi-connected air conditioner in the current Chinese market is nearly 2000 hundred million, the update scale is needed to be up to 50%, and many projects cannot be assembled, disassembled and replaced at the same time because the construction conditions are not met, and part of air conditioner manufacturers do not specially update the products of the machines, so that the combination of the brands becomes the main stream in the market, but if the combination of the brands is replaced by the communication mode, for example, the outdoor unit does not need to break and disassemble the original decoration, but the indoor unit A needs to be connected with the outdoor unit of the brand B, and the current general mode needs to replace the electric control of the outdoor unit of the brand B with the electric control of the A. And partial external machine types cannot be matched and the like, and the large-scale replicability is not achieved.
On the other hand, when the different brands of the air conditioner internal and external units are linked, an additional expansion valve box and an electric control box which is the same with the indoor units are required to be added in a pipeline, the electric control plate in the electric control box in the original outdoor unit can be practically abandoned, the electronic expansion valve in the outdoor unit can be set to be in a full-open state to form a non-throttling conduction state, so that the electronic expansion valve is invalid, and the flow control is completely carried out by depending on the expansion valve in the external additionally added electronic expansion valve box. In this way, the electric control board and the electronic expansion valve inside the outdoor unit are practically rejected because they cannot be controlled by other brands of electric control boards, and the hardware and the reconstruction labor costs are high.
Disclosure of Invention
The utility model aims at: the utility model provides a multi-split air conditioner, which aims to solve the problem that when an existing outdoor unit is connected with a cross-brand indoor unit, an air conditioner manufacturer needs to additionally add hardware to realize the cross-brand connection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a many online air conditioner, includes the automatically controlled box of off-premises station, the automatically controlled box of indoor set, communication converter and controller, communication converter with the controller is all established inside the automatically controlled box of off-premises station, the automatically controlled box of indoor set with the automatically controlled box electricity of off-premises station is connected, the automatically controlled box of off-premises station with communication converter electricity is connected, communication converter with the controller electricity is connected.
Optionally, the communication converter includes dial switch and communication hardware circuit, the one end of dial switch with the automatically controlled box electricity of off-premises station is connected, the other end of dial switch with communication hardware circuit connects, communication hardware circuit with the controller electricity is connected.
Optionally, the communication hardware circuit has a plurality of, each communication hardware circuit all with dial switch electricity is connected, each communication hardware circuit all with the controller is connected.
Optionally, the communication converter includes a first interface and a communication hardware circuit, the communication hardware circuit is electrically connected with the first interface, the first interface is electrically connected with the outdoor unit electric control box, the communication hardware circuit is electrically connected with the controller, and the communication hardware circuit is electrically connected with the controller.
Optionally, the first interfaces are provided with a plurality of communication hardware circuits, the outdoor unit electric control box is provided with a plurality of second interfaces corresponding to the first interfaces, each first interface is electrically connected with one second interface, each first interface is electrically connected with one communication hardware circuit, and each communication hardware circuit is connected with the controller.
Optionally, the communication converter includes detecting element and a plurality of communication hardware circuit, detecting element's one end with the automatically controlled box electricity of off-premises station is connected, detecting element's the other end with a plurality of communication hardware circuit electricity is connected, every communication hardware circuit all with the controller is connected.
Optionally, the controller includes a logic control circuit and a control port, one end of the logic control circuit is electrically connected with the communication hardware circuit, and the other end of the logic control circuit is electrically connected with the control port.
Optionally, the communication hardware circuit at least comprises three different types of communication hardware circuits.
Optionally, the communication hardware circuit of the outdoor unit electric control box is different from the communication hardware circuit of the indoor unit electric control box.
The utility model has the following beneficial effects:
1. through the arrangement of the communication converter installed in the electric control box of the outdoor unit, the communication converter can convert the communication protocol of the indoor unit into the communication protocol of the outdoor unit, and the communication protocol of the outdoor unit is kept consistent with that of the indoor unit. When the outdoor unit and the indoor unit are of two different brands, the communication protocol is converted through the communication converter, the two different brands of the outdoor unit and the indoor unit can still be connected and run, the problem that the cross-brand connection can be realized only by adding additional hardware (such as an outdoor unit or an indoor unit circuit board and an electronic expansion valve box) after an air conditioner manufacturer is replaced is solved, and the cost is greatly reduced.
2. According to the scheme of the utility model, the communication hardware circuit comprises three communication hardware and a plurality of communication protocols, so that most brand combination modes in the market can be realized, and the wide market demands can be met.
Drawings
Fig. 1 is a schematic structural diagram of a multi-split air conditioner according to an embodiment of the present utility model;
fig. 2 is a usage state diagram of a multi-split air conditioner according to an embodiment of the present utility model;
fig. 3 is a view showing an internal structure of an outdoor unit casing according to a first embodiment of the present utility model;
fig. 4 is a diagram showing an internal structure of an outdoor unit casing according to a second embodiment of the present utility model;
fig. 5 is a diagram showing an internal structure of an outdoor unit casing according to a third embodiment of the present utility model.
Reference numerals: 10-an outdoor unit; a 101-communication converter; 1011-dip switch; 1012-communication hardware circuitry; 1013-a first interface; 1014-a detection unit; 102-a controller; 103-second interface.
Detailed Description
The present utility model will be described in further detail in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
Specifically, as shown in fig. 1 and 2, the embodiment provides a multi-split air conditioner, which comprises an outdoor unit 10 electric control box, an indoor unit electric control box, a communication converter 101 and a controller 102, wherein the communication converter 101 and the controller 102 are both arranged inside the outdoor unit 10 electric control box, the indoor unit electric control box is electrically connected with the outdoor unit 10 electric control box, the outdoor unit 10 electric control box is electrically connected with the communication converter 101, and the communication converter 101 is electrically connected with the controller 102.
In this embodiment, the communication device and the controller 102 are installed inside the electric control box of the outdoor unit 10, the controller 102 is electrically connected with the communication converter 101, the communication converter 101 is electrically connected with the electric control box of the outdoor unit 10, and the electric control box of the outdoor unit 10 is connected with the electric control box of the indoor unit through an air conditioner communication line. When the brand of the indoor unit electric control box is the same as the brand of the outdoor unit 10 electric control box, the brand of the indoor unit and the outdoor unit 10 can be directly used; when the brand of the electric control box of the indoor unit is different from the brand of the electric control box of the outdoor unit 10, the communication converter 101 converts the communication protocol of the indoor unit into the communication protocol corresponding to the outdoor unit 10, so that the outdoor unit 10 and the indoor unit can be normally used.
In the present embodiment, the controller 102 is used to control the operation of the outdoor unit 10. By installing the communication converter 101 inside the electric control box of the outdoor unit 10, the communication converter 101 can convert the communication protocol of the indoor unit into the communication protocol of the outdoor unit 10, so as to keep the communication protocols of the outdoor unit 10 and the indoor unit consistent. When the outdoor unit 10 and the indoor units are of two different brands, the communication protocol is converted by the communication converter 101, the two different brands of the outdoor unit 10 and the indoor units can still be connected for operation, the problem that the cross-brand connection can be realized only by adding additional hardware (such as the outdoor unit 10 or the indoor unit circuit board and the electronic expansion valve box) after the air conditioner manufacturer is replaced is solved, and the cost is greatly saved.
The communication converter 101 is arranged in the electric control box of the outdoor unit 10, when a user changes the air-conditioning brand of the cardiometer, the outdoor unit 10 and the indoor unit are not required to be integrally changed, only the indoor unit is required to be changed, the cost is reduced, the communication converter 101 converts the communication protocol of the air-conditioning brand of the cardiometer into the communication protocol of the outdoor unit 10, the connection between the outdoor unit 10 and the indoor unit can be realized, and the user can experience the air-conditioning brand of the cardiometer. The outdoor unit 10 is usually installed outdoors, and for users on high floors, replacement of the outdoor unit 10 is extremely dangerous for the safety of operators. Only the indoor unit is replaced, so that the construction of operators is facilitated, and safety guarantee is provided for the operators.
If the communication converter 101 is provided in the indoor unit, the indoor unit does not need to be replaced, and only the outdoor unit 10 may be replaced. However, due to the unique structure of the multi-split air conditioner, one outdoor unit 10 is connected to a plurality of indoor units, and thus, it is necessary to separately provide a communication converter 101 for each indoor unit, which certainly increases the cost. The communication converter 101 is arranged in the electric control box of the outdoor unit 10, and only one communication converter 101 is needed by one outdoor unit 10, so that the number of the communication converters 101 is reduced, and the cost is reduced.
In some embodiments, the communication converter 101 and the controller 102 are independently disposed in the electronic control box of the outdoor unit 10, and are separate modules, which are connected by pipelines; alternatively, the communication converter 101 is combined with the controller 102, and the module as a whole is installed in the electronic control box of the outdoor unit 10.
Optionally, as shown in fig. 3, the communication converter 101 includes a dial switch 1011 and a communication hardware circuit 1012, one end of the dial switch 1011 is electrically connected to the electronic control box of the outdoor unit 10, the other end of the dial switch 1011 is connected to the communication hardware circuit 1012, the communication hardware circuit 1012 is electrically connected to the controller 102, and selectively communicates with one of the communication hardware circuits 1012. The communication hardware circuits 1012 have a plurality of communication hardware circuits 1012, each communication hardware circuit 1012 is electrically connected to the dial switch 1011, and each communication hardware circuit 1012 is connected to the controller 102.
When the connection between the outdoor unit 10 and the indoor unit communication line is completed, the communication converter 101 needs to perform dialing setting, and after the corresponding communication protocol of the brand used by the indoor unit or the code of the corresponding brand is dialed by the dialing switch 1011, the communication converter 101 can receive the brand used by the indoor unit so as to select the corresponding communication protocol, thereby realizing the communication operation between the indoor units of different brands and the outdoor unit 10; for the situation that the hardware of part of branded communication circuits is different, different hardware circuits are required to be selected through a dial switch 1011 or a relay.
In this embodiment, the external connection ports on the electric control box of the outdoor unit 10 can be unified and standardized, that is, the same two-line ports are connected to the indoor unit side, and the specific internal hardware circuit is selected through the relay and the dial switch 1011, so that the installation steps are reduced, and the use is more convenient.
Optionally, this embodiment provides a second implementation, as shown in fig. 4, the communication converter 101 includes a first interface 1013 and a communication hardware circuit 1012, the communication hardware circuit is electrically connected to the first interface 1013, the first interface 1013 is electrically connected to the electronic control box of the outdoor unit 10, the communication hardware circuit 1012 is electrically connected to the controller 102, and the communication hardware circuit 1012 is electrically connected to the controller 102. The first interfaces 1013 are provided with a plurality of communication hardware circuits 1012, the outdoor unit 10 electric control box is provided with a plurality of second interfaces 103 corresponding to the first interfaces 1013, each first interface 1013 is electrically connected with one second interface 103, each first interface 1013 is electrically connected with one communication hardware circuit 1012, and each communication hardware circuit 1012 is connected with the controller 102.
When the communication converter 101 includes a plurality of interfaces and a corresponding second connection port is also formed on the outer wall of the electric control box of the outdoor unit 10, each of the first interfaces 1013 and the corresponding second connection port represents a communication protocol or brand, when the communication converter is connected with the electric control box of the indoor unit, one end of the connection line is inserted into the electric control of the indoor unit of a certain communication protocol, the other end of the connection line is inserted from the connection port corresponding to the communication protocol on the electric control box of the outdoor unit 10 and connected with the interface corresponding to the communication protocol, so as to realize the connection with the communication hardware circuit 1012 identical to the communication protocol, at this time, the communication converter 101 receives the communication protocol used by the indoor unit and converts the communication protocol into the same protocol as the outdoor unit 10, thus completing the communication between the outdoor unit 10 and the indoor unit.
In this embodiment, the communication between the two outdoor units 10 of different brands and the indoor units can be rapidly realized, so as to achieve the purpose of normal operation.
Optionally, this embodiment provides a third implementation manner, as shown in fig. 5, the communication converter 101 includes a detection unit 1014 and a plurality of communication hardware circuits 1012, one end of the detection unit 1014 is electrically connected to the electronic control box of the outdoor unit 10, and the detection unit 1014 communicates with one of the communication hardware circuits 1012 according to the detected information; the other end of the detection unit 1014 is electrically connected to a plurality of communication hardware circuits 1012, each communication hardware circuit 1012 being connected to the controller 102.
When the communication converter 101 is connected with the indoor unit electric control box, the detection unit 1014 is firstly communicated with the detection unit 1014, the detection unit 1014 detects the brand or the communication protocol of the indoor unit electric control box, and then the communication hardware circuit 1012 of the corresponding communication protocol is communicated, so that the communication protocol of the outdoor unit 10 and the indoor unit is consistent, and the purpose of normal operation is achieved.
In this embodiment, by providing the detection unit 1014, a corresponding communication protocol can be automatically selected, and manual operation is not required, so that the user can use the communication protocol conveniently.
Optionally, the controller 102 includes a logic control circuit and a control port, one end of the logic control circuit is electrically connected to the communication hardware circuit 1012, and the other end of the logic control circuit is electrically connected to the control port.
When the embodiment is performed, the control port outputs a control signal generated by the logic control circuit. When the communication converter 101 finishes the protocol conversion, the logic control circuit operates, generates a control signal according to the use of the user, transmits the control signal to the control port, and the control port outputs the control signal to the outdoor unit 10, so that the outdoor unit 10 finishes the corresponding operation.
Optionally, the communication hardware circuit 1012 includes at least three different types of communication hardware circuits 1012, where the three different types of communication hardware circuits 1012 include a HomeBus hardware circuit, an RS485 hardware circuit, and a CAN hardware circuit.
The bus communication bus protocol of more than 95% of brands of multi-split air conditioners existing on the market at present generally uses the following three communication protocols: the outdoor unit 10 is compatible with the three communication hardware and the communication protocols, so that most brand combination modes on the market CAN be realized, and further the wide market demands CAN be met.
Further, the communication hardware circuit 1012 of the outdoor unit 10 electric control box is different from the communication hardware circuit 1012 of the indoor unit electric control box.
In this embodiment, the communication protocols of the indoor unit electric control box and the outdoor unit 10 electric control box can be unified through the built-in communication converter 101, so as to achieve the purpose of operation.
Meanwhile, when the communication protocols of the indoor unit electric control box and the outdoor unit 10 electric control box are the same, the scheme of the embodiment can be used, so that preparation can be made for replacing indoor units and outdoor units of different brands in the future.
In summary, through the scheme of the embodiment, the communication converter 101 is disposed in the electric control box of the air conditioner outdoor unit 10, when the indoor units and the outdoor units 10 with two different communication protocols are connected, the two different communication protocols are unified through the communication converter 101, so as to achieve the purpose of normal operation, and the problem that in the prior art, when the indoor units and the outdoor units with different brands are connected, the connection can be realized only by adding additional hardware (the circuit board of the outdoor unit 10 and the electronic expansion valve box), so that the cost can be greatly saved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (4)
1. The utility model provides a many online air conditioner which characterized in that includes the automatically controlled box of off-premises station, the automatically controlled box of indoor set, communication converter and controller, communication converter with the controller is all established in the automatically controlled box of off-premises station, the automatically controlled box of indoor set with the automatically controlled box of off-premises station electricity is connected, the automatically controlled box of off-premises station with communication converter electricity is connected, communication converter with the controller electricity is connected;
the communication converter comprises a first interface and a communication hardware circuit, wherein the communication hardware circuit is electrically connected with the first interface, the first interface is electrically connected with the outdoor unit electric control box, the communication hardware circuit is electrically connected with the controller, and the communication hardware circuit at least comprises three communication hardware circuits with different types, wherein the communication hardware circuit comprises a HomeBus hardware circuit, an RS485 hardware circuit and a CAN hardware circuit;
the outdoor unit electric control box is provided with a plurality of second interfaces corresponding to the first interfaces, each first interface is electrically connected with one second interface, each first interface is electrically connected with one communication hardware circuit, and each communication hardware circuit is connected with the controller;
the communication hardware circuit of the outdoor unit electric control box is different from the communication hardware circuit of the indoor unit electric control box, and one outdoor unit electric control box can be connected with a plurality of indoor unit electric control boxes.
2. The multi-split air conditioner of claim 1, wherein the communication converter comprises a dial switch and a communication hardware circuit, one end of the dial switch is electrically connected with the outdoor unit electric control box, the other end of the dial switch is connected with the communication hardware circuit, the communication hardware circuit is electrically connected with the controller, the communication hardware circuit is provided with a plurality of communication hardware circuits, each communication hardware circuit is electrically connected with the dial switch, and each communication hardware circuit is connected with the controller.
3. The multi-split air conditioner of claim 1, wherein the communication converter comprises a detection unit and a plurality of communication hardware circuits, one end of the detection unit is electrically connected with the outdoor unit electric control box, the other end of the detection unit is electrically connected with the plurality of communication hardware circuits, and each communication hardware circuit is connected with the controller.
4. A multi-split air conditioner as claimed in claim 2 or 3, wherein the controller comprises a logic control circuit and a control port, one end of the logic control circuit is electrically connected with the communication hardware circuit, and the other end of the logic control circuit is electrically connected with the control port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643980.1U CN220338593U (en) | 2023-03-28 | 2023-03-28 | Multi-split air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643980.1U CN220338593U (en) | 2023-03-28 | 2023-03-28 | Multi-split air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220338593U true CN220338593U (en) | 2024-01-12 |
Family
ID=89444172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320643980.1U Active CN220338593U (en) | 2023-03-28 | 2023-03-28 | Multi-split air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220338593U (en) |
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2023
- 2023-03-28 CN CN202320643980.1U patent/CN220338593U/en active Active
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