CN112714152A - Display panel control method and device, display panel and marine air conditioner - Google Patents
Display panel control method and device, display panel and marine air conditioner Download PDFInfo
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- CN112714152A CN112714152A CN202011436041.7A CN202011436041A CN112714152A CN 112714152 A CN112714152 A CN 112714152A CN 202011436041 A CN202011436041 A CN 202011436041A CN 112714152 A CN112714152 A CN 112714152A
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- display panel
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- machine type
- communication data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/02—Ventilation; Air-conditioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
Abstract
The application relates to a display panel control method, a display panel control device, a display panel and a marine air conditioner, wherein the display panel control method comprises the steps of obtaining communication data; inquiring a corresponding relation between a communication protocol pre-stored in a display board and a target machine type according to communication data to obtain a target machine type to be controlled and control parameters; and displaying the control parameters and controlling the target machine type to be controlled according to the control parameters. The system and the method can realize the control of the target hosts of various different types through one display panel, and are convenient for subsequent developers to maintain, so that the cost can be effectively reduced, the human resource cost can be saved, and the after-sale management is convenient.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to a display panel control method and device, a display panel and a marine air conditioner.
Background
The existing marine air conditioner mainly comprises a water-cooling cabinet machine (unit machine) and a fan coil vertical cabinet machine (tail end machine), and because a compressor and an alternating current direct current motor which are included in the water-cooling cabinet machine and the fan coil vertical cabinet machine are different, the two are different in load control module, sensor module, communication protocol, fault detection and the like, two display panels are required to be equipped for separate control and display. When the air conditioning unit is operated, the operation can be realized only by operating the corresponding display panels respectively, the operation is very inconvenient, the hardware cost of the display panels is high, and the after-sale maintenance cost is high and the operation is inconvenient because the program control is independently used in each display panel.
Disclosure of Invention
The application provides a display panel control method, a display panel control device, a display panel and a marine air conditioner, and aims to overcome the problems that a plurality of display panels are required to be arranged for separately controlling and displaying to at least a certain extent, the display panels are very inconvenient, the hardware cost of the display panels is high, and the after-sale maintenance cost is high and inconvenient due to the fact that a program is independently used for controlling the interior of each display panel.
In a first aspect, the present application provides a display panel control method comprising:
acquiring communication data;
inquiring a corresponding relation between a communication protocol pre-stored in a display board and a target machine type according to the communication data to obtain a target machine type to be controlled and control parameters;
and displaying the control parameters and controlling the target machine type to be controlled according to the control parameters.
Further, the communication data includes:
frame header, effective data and check code;
the frame header comprises a device address field, a function code field, a target address field, a model ID field and a data length field.
Further, the querying, according to the communication data, a correspondence between a communication protocol pre-stored in the display panel and a target model to obtain a target model to be controlled includes:
extracting a frame header in communication data;
and matching the extracted frame header with a pre-stored correspondence between the communication protocol and the target model to obtain the target model to be controlled.
Further, the matching the extracted frame header with the correspondence between the pre-stored communication protocol and the target model to obtain the target model to be controlled includes:
judging whether the specific contents of the extracted equipment address field, function code field, target address field, model ID field and data length field in the frame header conform to the corresponding relationship between the pre-stored communication protocol and the target model or not within the preset time,
and if so, obtaining the target model to be controlled according to the specific content in the equipment address field.
Further, the method also comprises the following steps:
and obtaining a target host in the target machine type to be controlled according to the specific content in the machine type ID field.
Further, the method also comprises the following steps:
and if the preset time is exceeded, sending a communication fault alarm signal.
Further, after the communication data is acquired, the method further includes:
extracting a check code in communication data;
checking the check code;
and if the verification fails, sending a communication fault alarm signal.
Further, after the communication data is acquired, the method further includes:
extracting effective data in communication data;
and identifying and analyzing the effective data according to a pre-stored correspondence between the communication protocol and the target machine type to obtain a control parameter.
Further, the valid data includes:
analog quantity, switching quantity, state quantity and fault category of the target host.
Further, the method also comprises the following steps:
identifying the fault type and the target host with the fault;
and displaying the fault type and the target host with the fault.
In a second aspect, the present application provides a display panel control apparatus comprising:
the acquisition module is used for acquiring communication data;
the query module is used for querying the corresponding relation between the communication protocol pre-stored in the display panel and the target machine type according to the communication data to obtain the target machine type to be controlled and the control parameters;
and the display control module is used for displaying the control parameters and controlling the target machine type to be controlled according to the control parameters.
In a third aspect, the present application provides a display panel comprising:
the display panel control apparatus according to the second aspect.
In a fourth aspect, the present application provides a marine air conditioner comprising:
a display panel according to the third aspect and at least two models of target hosts;
the display panel is connected with the target host computers of the at least two models.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the display panel control method comprises the steps of obtaining communication data, inquiring the corresponding relation between a communication protocol pre-stored in the display panel and a target machine type according to the communication data to obtain a target machine type to be controlled and control parameters, displaying the control parameters and controlling the target machine type to be controlled according to the control parameters, so that a plurality of different types of target hosts can be controlled through one display panel, the subsequent developers can conveniently maintain the target hosts, the cost of human resources can be effectively reduced, and the after-sale management is facilitated.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a flowchart of a display panel control method according to an embodiment of the present application.
Fig. 2 is a flowchart of a display panel control method according to another embodiment of the present application.
Fig. 3 is a flowchart of a display panel control method according to another embodiment of the present application.
Fig. 4 is a flowchart of a display panel control method according to another embodiment of the present application.
Fig. 5 is a flowchart of a display panel control method according to another embodiment of the present application.
Fig. 6 is a functional block diagram of a display panel control apparatus according to an embodiment of the present application.
Fig. 7 is a functional structure diagram of a marine air conditioner according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a flowchart of a display panel control method according to an embodiment of the present application, and as shown in fig. 1, the display panel control method includes:
s11: acquiring communication data;
s12: inquiring a corresponding relation between a communication protocol pre-stored in a display board and a target machine type according to communication data to obtain a target machine type to be controlled and control parameters;
s13: and displaying the control parameters and controlling the target machine type to be controlled according to the control parameters.
When the traditional marine air conditioner operates different types of hosts, the display panels corresponding to the traditional marine air conditioner need to be operated respectively, so that the marine air conditioner is very inconvenient, the hardware cost of the display panels is high, and the after-sale maintenance cost is high and inconvenient due to the independent use of program control in each display panel.
In the embodiment, the target machine type to be controlled and the control parameters are obtained by acquiring the communication data, inquiring the corresponding relation between the communication protocol pre-stored in the display panel and the target machine type according to the communication data, displaying the control parameters and controlling the target machine type to be controlled according to the control parameters, so that the control of various different types of target hosts through one display panel can be realized, the follow-up developer can conveniently maintain, the cost can be effectively reduced, the manpower resource cost can be saved, and the after-sale management is convenient.
An embodiment of the present application provides another display panel control method, as shown in a flowchart of fig. 2, the display panel control method including:
s21: extracting a frame header in communication data;
as shown in table 1, the communication data includes: frame header, effective data and check code;
the frame header includes a device address field, a function code field, a destination address field, a model ID field, and a data length field.
TABLE 1 communication data Format
In some embodiments, the communication protocol may be customized, the communication data format is adjusted according to the customized communication protocol, and the specific format of the communication protocol is not limited in the present application.
S22: judging whether the specific contents of the equipment address field, the function code field, the target address field, the machine type ID field and the data length field in the extracted frame header conform to the corresponding relation between the pre-stored communication protocol and the target machine type or not within the preset time;
s23: and if so, obtaining the target model to be controlled according to the specific content in the equipment address field.
S24: and if the preset time is exceeded, sending out a communication fault alarm signal.
In some embodiments, after obtaining the communication data, the method further comprises:
s211: extracting a check code in communication data;
s212: checking the check code;
s213: and if the verification fails, sending a communication fault alarm signal.
In some embodiments, after obtaining the target model to be controlled according to the specific content in the device address field, the method further includes:
and obtaining the target host in the target model to be controlled according to the specific content in the model ID field.
As shown in fig. 3, when the display panel receives communication data, the display panel makes a corresponding judgment according to the communication data, identifies the model of the target host through a frame header (equipment address, function code, starting address, data quantity and the like), judges the communication data from the water-cooled cabinet or the fan coil cabinet within 30 seconds, simultaneously carries out check code judgment on the received data, avoids data abnormality caused by communication interference, and executes a display panel function matched with the requirements of the water-cooled cabinet or the fan coil cabinet after the data are confirmed to be correct; on the contrary, if data frames of other machine types are received or response data receiving time is more than 30S or no response data exists, the display panel can actively report communication faults and does not respond, and universality and uniqueness of the display panel on the fan coil cabinet and the water cooling cabinet are guaranteed.
In the embodiment, different target machine types and target hosts are distinguished by judging the machine type ID and the equipment address, two different communication protocols can be compatible, and the unit state and the control parameters can be respectively displayed, so that the basic control requirements on the water-cooling cabinet machine and the fan coil are met, the cost can be effectively reduced, the maintenance of follow-up personnel is facilitated, only one set of display panel control program needs to be maintained, two sets of different control programs do not need to be maintained, the manpower resource cost is saved, and the after-sale management is facilitated.
Fig. 4 is a flowchart of a display panel control method according to another embodiment of the present application, and as shown in fig. 4, the display panel control method includes:
s41: extracting effective data in communication data;
in some embodiments, valid data, including but not limited to:
analog quantity, switching quantity, state quantity and fault category of the target host computer.
S42: and identifying and analyzing the effective data according to a pre-stored correspondence between the communication protocol and the target machine type to obtain a control parameter.
As shown in fig. 5, the target host is communicatively interactive with the display panels, respectively. Since the two models have different functions, after the communication data is received, the received valid data value needs to be identified and analyzed, for example, it is determined that there is no heating state in the state quantity, and for the wind wheel without heating requirement, the heating display lamp should be skipped directly when the display mode is switched. At this time, the display panel can perform normal key operations, such as temperature setting, mode setting, etc., so as to make the main control end execute the response load action for the main control operation.
In some embodiments, further comprising:
identifying the fault type and the target host with the fault;
and displaying the fault type and the target host with the fault.
The fault requirements of different units can be displayed to correspond to different fault codes, for example, when a water cooling cabinet has a high-voltage protection fault, a display panel can display the fault code 'E1', a wind disc has no high-voltage protection fault, but the wind disc has a fault of three times of unrecoverable overload protection, and the display panel displays 'E8' when the wind disc has three times of unrecoverable overload protection fault.
In this embodiment, the display panel can be completely compatible with two types of completely different fault codes, when the target host fails, the display panel can judge the fault type and simultaneously display the corresponding fault code, so that stable operation of the unit can be ensured, and maintenance by after-sales personnel is facilitated.
Fig. 6 is a functional structure diagram of a display panel control apparatus according to an embodiment of the present application, and as shown in fig. 6, the display panel control apparatus includes:
an obtaining module 61, configured to obtain communication data;
the query module 62 is configured to query a correspondence between a communication protocol pre-stored in the display panel and a target machine type according to the communication data, so as to obtain a target machine type to be controlled and a control parameter;
and the display control module 63 is used for displaying the control parameters and controlling the target model to be controlled according to the control parameters.
In some embodiments, further comprising:
and the host identification module 64 is configured to obtain a target host in the target model to be controlled according to the specific content in the model ID field.
And the alarm module 65 is used for sending out a communication fault alarm signal when the preset time is exceeded and/or sending out a communication fault alarm signal when the check code fails to pass the check.
In the embodiment, the communication data is acquired through the acquisition module, the query module queries the corresponding relation between the communication protocol pre-stored in the display panel and the target machine type according to the communication data to obtain the target machine type to be controlled and the control parameters, the control parameters are displayed by the display control module and the target machine type to be controlled is controlled according to the control parameters, the target host machines of various different types can be controlled through one display panel, the follow-up developer can conveniently maintain the target host machines, the cost can be effectively reduced, the manpower resource cost is saved, and the after-sale management is facilitated.
One embodiment of the present application provides a display panel including:
the display panel control device as described above.
Fig. 7 is a functional structure diagram of a marine air conditioner according to an embodiment of the present application, and as shown in fig. 7, the marine air conditioner includes:
the display panel 71 and the target host of at least two models;
the display panel 71 is connected to target hosts of at least two models.
The target host machines of at least two types comprise a water cooling cabinet machine 72 and a fan coil cabinet machine 73, the water cooling cabinet machine 72 and the fan coil cabinet machine 73 are connected with a display panel 71 through RS485 buses, the target host machine serves as an upper computer, the display panel serves as a lower computer, the upper computer controls a communication bus to send a request frame to the lower computer in communication, and the lower computer responds to the request frame of the upper computer.
In the embodiment, the display panel can be used for controlling the water cooling cabinet machine and the fan coil respectively, two sets of target hosts with different loads can be controlled by only one display panel, the follow-up developer can conveniently maintain the target hosts, the cost can be effectively reduced, the manpower resource cost can be saved, and the after-sale management is convenient.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
It should be noted that the present invention is not limited to the above-mentioned preferred embodiments, and those skilled in the art can obtain other products in various forms without departing from the spirit of the present invention, but any changes in shape or structure can be made within the scope of the present invention with the same or similar technical solutions as those of the present invention.
Claims (13)
1. A display panel control method, comprising:
acquiring communication data;
inquiring a corresponding relation between a communication protocol pre-stored in a display board and a target machine type according to the communication data to obtain a target machine type to be controlled and control parameters;
and displaying the control parameters and controlling the target machine type to be controlled according to the control parameters.
2. The display panel control method according to claim 1, wherein the communication data includes:
frame header, effective data and check code;
the frame header comprises a device address field, a function code field, a target address field, a model ID field and a data length field.
3. The method for controlling the display panel according to claim 2, wherein the querying a correspondence between a communication protocol pre-stored in the display panel and a target model according to the communication data to obtain a target model to be controlled comprises:
extracting a frame header in communication data;
and matching the extracted frame header with a pre-stored correspondence between the communication protocol and the target model to obtain the target model to be controlled.
4. The method for controlling the display panel according to claim 3, wherein the matching the extracted frame header with the pre-stored correspondence between the communication protocol and the target model to obtain the target model to be controlled comprises:
judging whether the specific contents of the extracted equipment address field, function code field, target address field, model ID field and data length field in the frame header conform to the corresponding relationship between the pre-stored communication protocol and the target model or not within the preset time,
and if so, obtaining the target model to be controlled according to the specific content in the equipment address field.
5. The display panel control method according to claim 4, further comprising:
and obtaining a target host in the target machine type to be controlled according to the specific content in the machine type ID field.
6. The display panel control method according to claim 4, further comprising:
and if the preset time is exceeded, sending a communication fault alarm signal.
7. The display panel control method according to claim 2, further comprising, after acquiring the communication data:
extracting a check code in communication data;
checking the check code;
and if the verification fails, sending a communication fault alarm signal.
8. The display panel control method according to claim 2, further comprising, after acquiring the communication data:
extracting effective data in communication data;
and identifying and analyzing the effective data according to a pre-stored correspondence between the communication protocol and the target machine type to obtain a control parameter.
9. The display panel control method according to claim 8, wherein the valid data includes:
analog quantity, switching quantity, state quantity and fault category of the target host.
10. The display panel control method according to claim 9, further comprising:
identifying the fault type and the target host with the fault;
and displaying the fault type and the target host with the fault.
11. A display panel control apparatus characterized by comprising:
the acquisition module is used for acquiring communication data;
the query module is used for querying the corresponding relation between the communication protocol pre-stored in the display panel and the target machine type according to the communication data to obtain the target machine type to be controlled and the control parameters;
and the display control module is used for displaying the control parameters and controlling the target machine type to be controlled according to the control parameters.
12. A display panel, comprising: a display panel control apparatus according to claim 11.
13. An air conditioner for a ship, comprising:
a display panel according to claim 12 and at least two models of target hosts;
the display panel is connected with the target host computers of the at least two models.
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| CN202011436041.7A CN112714152A (en) | 2020-12-10 | 2020-12-10 | Display panel control method and device, display panel and marine air conditioner |
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| CN202011436041.7A CN112714152A (en) | 2020-12-10 | 2020-12-10 | Display panel control method and device, display panel and marine air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20210427 |