CN112460849A - Ground source heat pump control system and upper computer communication method - Google Patents
Ground source heat pump control system and upper computer communication method Download PDFInfo
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- CN112460849A CN112460849A CN202011382264.XA CN202011382264A CN112460849A CN 112460849 A CN112460849 A CN 112460849A CN 202011382264 A CN202011382264 A CN 202011382264A CN 112460849 A CN112460849 A CN 112460849A
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- 238000004891 communication Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000004044 response Effects 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 8
- 230000003993 interaction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- Thermal Sciences (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a ground source heat pump control system and an upper computer communication method, wherein the system comprises: the system comprises a manifold plate, at least one indoor unit, an outdoor unit and an upper computer; the indoor unit is connected with the branch board through the RS485, the upper computer is connected with the indoor unit through the RS485, and the upper computer is connected with the branch board through the RS 485; the branch board is used for acquiring the running state information of the outdoor unit and the parameter information of the indoor unit through the RS485, determining whether the upper computer exists or not, and sending the running state information of the outdoor unit and the parameter information of at least one indoor unit to the upper computer when the upper computer is determined to exist; and the upper computer is used for acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board so as to control the at least one indoor unit and the outdoor unit. The scheme has better operation data of the indoor and outdoor units.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a ground source heat pump control system and an upper computer communication method.
Background
The traditional ground source heat pump consists of an outdoor unit and an indoor unit, a single machine can be controlled through WIFI, the existing ground source product is controlled by combining two independent outdoor units together and corresponding to the respective indoor units, and the two units operate respectively; the variable-frequency ground source heat pump consists of one outdoor unit and 3 indoor units, each indoor unit can be controlled through WIFI, and 3 sets of intelligent equipment are needed for one unit.
The chinese patent application No. 202010216535.8 discloses an ac servo motor controller and control method using USB interface to communicate with PC upper computer; the controller comprises a controller core circuit board and a controller signal transmission circuit board; the controller core circuit board comprises a USB-to-USART module, an STM32 core control module and a power supply voltage reduction module; the communication input/output interface of the controller is a USB interface, and is directly connected with a USB interface of a PC upper computer through the USB interface. The invention adopts USB to communicate with the PC upper computer.
As can be seen from the above description, the prior art uses USB to communicate with the PC upper computer, and cannot collect and control the operation data of the indoor and outdoor units well.
Disclosure of Invention
The embodiment of the invention provides a ground source heat pump control system and an upper computer communication method, which can well collect and control the operation data of indoor and outdoor units.
In a first aspect, an embodiment of the present invention provides a ground source heat pump control system, including: the system comprises a manifold plate, at least one indoor unit, an outdoor unit and an upper computer;
the manifold board is connected with the outdoor unit through RS485, the at least one indoor unit is connected with the manifold board through RS485, the upper computer is connected with the at least one indoor unit through RS485, and the upper computer is connected with the manifold board through RS 485;
the branch board is used for acquiring running state information of the outdoor unit and parameter information of the indoor unit through RS485, determining whether the upper computer exists or not, and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer when the upper computer is determined to exist;
the upper computer is used for acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board so as to control the at least one indoor unit and the outdoor unit.
Preferably, the first and second electrodes are formed of a metal,
the manifold is used for scanning and acquiring at least one device, sending a 01 instruction to the at least one scanned and acquired device, determining whether a target device sending reply information exists or not, determining that the upper computer exists when the target device sending the reply information exists, and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer when the upper computer exists.
Preferably, the first and second electrodes are formed of a metal,
the upper computer is used for acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the branching board, and controlling the starting or shutdown state, the running mode and the temperature parameters of the at least one indoor unit and the outdoor unit according to the acquired running state information of the outdoor unit and the acquired parameter information of the at least one indoor unit.
Preferably, the first and second electrodes are formed of a metal,
the manifold board is used for sending broadcast information to each indoor unit of the at least one indoor unit, determining whether response information of the current indoor unit aiming at the broadcast information can be received within a preset time length, reporting the communication fault of the current indoor unit when determining that the response information of the current indoor unit aiming at the broadcast information cannot be received within the preset time length, and acquiring parameter information of the current indoor unit when determining that the response information of the current indoor unit aiming at the broadcast information is received within the preset time length.
Preferably, the first and second electrodes are formed of a metal,
further comprising: a filter plate;
the filtering plate is connected with the outdoor unit.
Preferably, the first and second electrodes are formed of a metal,
further comprising: a driver;
the driver is connected with the outdoor unit.
In a second aspect, an embodiment of the present invention provides a host computer communication method based on the ground source heat pump control system in the first aspect, including:
acquiring running state information of the outdoor unit and parameter information of the indoor unit through RS485 by using a manifold;
determining whether an upper computer exists or not by utilizing the manifold plate;
when the upper computer is determined to exist, the manifold plate is utilized to send the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer;
and acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board by utilizing the upper computer so as to control the at least one indoor unit and the outdoor unit.
Preferably, the first and second electrodes are formed of a metal,
utilize the branch board, confirm whether host computer exists, include:
scanning to obtain at least one device by utilizing the manifold;
sending a 01 instruction to the at least one device obtained by scanning by using the manifold;
determining whether a target device sending reply information exists by using the bifurcation board;
determining the existence of the upper computer by using the manifold when the target equipment which sends the reply information is determined to exist;
and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer by using the manifold plate when the upper computer is determined to exist.
Preferably, the first and second electrodes are formed of a metal,
the utilizing the upper computer to obtain the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board so as to control the at least one indoor unit and the outdoor unit comprises the following steps:
acquiring running state information of the outdoor unit and parameter information of the at least one indoor unit sent by the bifurcation board by using the upper computer;
and controlling the starting or shutdown state, the running mode and the temperature parameters of the at least one indoor unit and the outdoor unit by using the upper computer according to the acquired running state information of the outdoor unit and the acquired parameter information of the at least one indoor unit.
Preferably, the first and second electrodes are formed of a metal,
transmitting broadcast information to each of the at least one indoor unit using the manifold;
determining whether response information of the current indoor unit aiming at the broadcast information can be received within a preset time by using the manifold plate;
reporting the communication fault of the current indoor unit by using the manifold when determining that the response information of the current indoor unit aiming at the broadcast information cannot be received within a preset time length;
and acquiring the parameter information of the current indoor unit by using the manifold when the response information of the current indoor unit aiming at the broadcast information is received within the determined preset time.
The embodiment of the invention provides a ground source heat pump control system and an upper computer communication method, because the prior art adopts a USB interface and a PC upper computer for communication, and can not well acquire the data of each indoor and outdoor unit, therefore, in order to better acquire the data of each indoor and outdoor unit in a ground source heat pump system, a bifurcation board and an outdoor unit can be connected through RS485, at least one indoor unit and the bifurcation board are connected through RS485, the upper computer and at least one indoor unit are connected through RS485, and the upper computer and the bifurcation board are connected through RS 485; the bifurcation board can be used as an information transfer center to acquire the parameter information of at least one indoor unit and the running state information of the outdoor unit, and can send the acquired parameter information of at least one indoor unit and the running state information of the outdoor unit to the upper computer when the parameter information of at least one indoor unit and the running state information of the outdoor unit are acquired and the parameter information and the running state information of the outdoor unit are determined to be stored in the upper computer, so that the communication among at least one indoor unit, the outdoor unit and the upper computer is established. Through the mode, the data of the indoor and outdoor units can be well collected without being communicated with an upper computer through a USB.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a ground source heat pump control system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another ground source heat pump control system provided by the embodiment of the invention;
FIG. 3 is a schematic diagram of yet another ground source heat pump control system provided by an embodiment of the invention;
fig. 4 is a flowchart of a host computer communication method according to an embodiment of the present invention;
fig. 5 is a flowchart of a host computer communication method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a ground source heat pump control system, including: a manifold 101, at least one indoor unit 102, an outdoor unit 103, and an upper computer 104;
the manifold 101 and the outdoor unit 103 are connected through RS485, the at least one indoor unit 102 and the manifold 101 are connected through RS485, the upper computer 104 and the at least one indoor unit 102 are connected through RS485, and the upper computer 104 and the manifold 101 are connected through RS 485;
the manifold 101 is configured to acquire running state information of the outdoor unit 103 and parameter information of the indoor units 102 through RS485, determine whether the upper computer exists, and send the running state information of the outdoor unit 103 and the parameter information of the at least one indoor unit 102 to the upper computer 104 when the upper computer 104 is determined to exist;
the upper computer 104 is configured to obtain the operation state information of the outdoor unit 103 and the parameter information of the at least one indoor unit 102, which are sent by the manifold board 101, so as to control the at least one indoor unit 102 and the outdoor unit 103.
In fig. 1, a manifold plate 101, an indoor unit 102, an outdoor unit 103, and an upper unit 104 are shown.
In the embodiment of the invention, because the prior art adopts the USB interface and the PC upper computer for communication and cannot well acquire the data of each indoor and outdoor unit group, in order to better acquire the data of each indoor and outdoor unit group in the ground source heat pump system, the bifurcation board and the outdoor unit can be connected through RS485, at least one indoor unit and the bifurcation board are connected through RS485, the upper computer and at least one indoor unit are connected through RS485, and the upper computer and the bifurcation board are connected through RS 485; the bifurcation board can be used as an information transfer center to acquire the parameter information of at least one indoor unit and the running state information of the outdoor unit, and can send the acquired parameter information of at least one indoor unit and the running state information of the outdoor unit to the upper computer when the parameter information of at least one indoor unit and the running state information of the outdoor unit are acquired and the parameter information and the running state information of the outdoor unit are determined to be stored in the upper computer, so that the communication among at least one indoor unit, the outdoor unit and the upper computer is established. Through the mode, the data of the indoor and outdoor units can be well collected without being communicated with an upper computer through a USB.
In an embodiment of the present invention, the manifold board 101 is configured to scan and acquire at least one device, send 01 instruction to the at least one device acquired by scanning, determine whether there is a target device sending reply information, determine that the upper computer exists when it is determined that there is the target device sending reply information, and send the operating state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer when it is determined that the upper computer exists.
In the embodiment of the invention, the bifurcation board is used as an information transfer center, so that not only can the parameter information of at least one indoor unit and the running state information of the outdoor unit be obtained, but also the information can be sent to the upper computer, and the control of the upper computer on at least one indoor unit and outdoor unit can be realized. Based on this, in order to establish data interaction between the manifold and the upper computer, whether the upper computer exists needs to be determined through the manifold to accurately realize the data interaction, at least one external device can be obtained through scanning by the manifold, a 01 instruction is sent to the at least one device obtained through scanning, whether a target device sending reply information exists is determined, when the target device sending the reply information is determined to exist, the upper computer is indicated to exist, and the running state information of the outdoor unit and the parameter information of at least one indoor unit can be sent to the upper computer.
In an embodiment of the present invention, the upper computer 104 is configured to obtain the operation state information of the outdoor unit and the parameter information of the at least one indoor unit from the splitter plate, and control the on/off state, the operation mode, and the temperature parameters of the at least one indoor unit and the outdoor unit according to the obtained operation state information of the outdoor unit and the obtained parameter information of the at least one indoor unit.
In the embodiment of the present invention, after the connection is established between the upper computer and the branching board, the upper computer may obtain the operation state information of the outdoor unit and the parameter information of the at least one indoor unit from the branching board, and according to the information, the operation control of the at least one indoor unit and the outdoor unit, for example, the control of the power-on or power-off state, the operation mode and the temperature parameter, may be implemented.
In an embodiment of the present invention, the manifold board 101 is configured to send broadcast information to each indoor unit of the at least one indoor unit, determine whether a response message of a current indoor unit to the broadcast information can be received within a preset time period, report a communication fault of the current indoor unit when it is determined that the response message of the current indoor unit to the broadcast information cannot be received within the preset time period, and obtain parameter information of the current indoor unit when it is determined that the response message of the current indoor unit to the broadcast information is received within the preset time period.
In the embodiment of the invention, the manifold board and the indoor units can communicate in a broadcasting mode, the manifold board is a host machine and can send broadcast information to each indoor unit of at least one indoor unit, whether response information of the current indoor unit for the broadcast information can be received within a preset time (for example, 30s) is determined, and when the response information of the current indoor unit for the broadcast information cannot be received within the preset time, the communication fault of the current indoor unit is indicated, the communication fault of the corresponding indoor unit can be reported, and if the response information of the current indoor unit for the broadcast information can be received within the preset time, data interaction can be carried out with the current indoor unit to obtain the parameter information of the current indoor unit.
Based on the ground source heat pump system shown in fig. 1, as shown in fig. 2, in an embodiment of the present invention, further includes: a filter plate 105;
the filter plate 105 is connected to the outdoor unit 103.
In the embodiment of the invention, on one hand, harmonic waves in a power grid can be prevented from entering a ground source heat pump system, and the influence on the normal work of an air conditioner is avoided; on the other hand, especially variable frequency air conditioner can produce high frequency harmonic in the course of the work, and these harmonics can pour into the electric wire netting into to influence the normal work of other electrical apparatus in the family, the filter board can also prevent that the harmonic that the air conditioner produced influences the electrical apparatus around the air conditioner.
Based on the ground source heat pump system shown in fig. 1, as shown in fig. 3, in an embodiment of the present invention, further includes: a driver 106;
the driver 106 is connected to the outdoor unit 103.
In the embodiment of the invention, the driver can be used as an air processor or a fresh air machine, and is mainly used for exchanging fresh air.
As shown in fig. 4, an embodiment of the present invention provides an upper computer communication method, including:
step 401: acquiring running state information of the outdoor unit and parameter information of the indoor unit through RS485 by using a manifold;
step 402: determining whether an upper computer exists or not by using a manifold plate;
step 403: when the existence of the upper computer is determined, the manifold plate is utilized to send the running state information of the outdoor unit and the parameter information of at least one indoor unit to the upper computer;
step 404: and utilizing the upper computer to acquire the running state information of the outdoor unit and the parameter information of the at least one indoor unit from the bifurcation board so as to control the at least one indoor unit and the outdoor unit.
In the embodiment of the invention, because the prior art adopts the USB interface and the PC upper computer for communication and cannot well acquire the data of each indoor and outdoor unit group, in order to better acquire the data of each indoor and outdoor unit group in the ground source heat pump system, the bifurcation board and the outdoor unit can be connected through RS485, at least one indoor unit and the bifurcation board are connected through RS485, the upper computer and at least one indoor unit are connected through RS485, and the upper computer and the bifurcation board are connected through RS 485; the bifurcation board can be used as an information transfer center to acquire the parameter information of at least one indoor unit and the running state information of the outdoor unit, and can send the acquired parameter information of at least one indoor unit and the running state information of the outdoor unit to the upper computer when the parameter information of at least one indoor unit and the running state information of the outdoor unit are acquired and the parameter information and the running state information of the outdoor unit are determined to be stored in the upper computer, so that the communication among at least one indoor unit, the outdoor unit and the upper computer is established. Through the mode, the data of the indoor and outdoor units can be well collected without being communicated with an upper computer through a USB.
In order to determine whether the upper computer exists, in the embodiment of the present invention, in the step 402 of the above embodiment, determining whether the upper computer exists by using the bifurcation board may specifically be implemented as follows:
scanning to obtain at least one device by utilizing the manifold;
sending a 01 instruction to the at least one device obtained by scanning by using the manifold;
determining whether a target device sending reply information exists by using the bifurcation board;
determining the existence of the upper computer by using the manifold when the target equipment which sends the reply information is determined to exist;
and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer by using the manifold plate when the upper computer is determined to exist.
In order to control an indoor unit and an outdoor unit, in an embodiment of the present invention, in step 404 in the above embodiment, the upper computer is used to obtain the operation state information of the outdoor unit and the parameter information of the at least one indoor unit from the splitter plate, so as to control the at least one indoor unit and the outdoor unit, which may be specifically implemented as follows:
acquiring running state information of the outdoor unit and parameter information of the at least one indoor unit sent by the bifurcation board by using the upper computer;
and controlling the starting or shutdown state, the running mode and the temperature parameters of the at least one indoor unit and the outdoor unit by using the upper computer according to the acquired running state information of the outdoor unit and the acquired parameter information of the at least one indoor unit.
In order to establish communication between the manifold and the indoor units, before the step 401 uses the manifold to obtain the operation status information of the outdoor unit and the parameter information of the indoor units through the RS485, the above embodiment further includes:
transmitting broadcast information to each of the at least one indoor unit using the manifold;
determining whether response information of the current indoor unit aiming at the broadcast information can be received within a preset time by using the manifold plate;
reporting the communication fault of the current indoor unit by using the manifold when determining that the response information of the current indoor unit aiming at the broadcast information cannot be received within a preset time length;
and acquiring the parameter information of the current indoor unit by using the manifold when the response information of the current indoor unit aiming at the broadcast information is received within the determined preset time.
As shown in fig. 5, in order to more clearly illustrate the technical solution and advantages of the present invention, the following provides a detailed description of the upper computer communication method provided in the embodiment of the present invention, which may specifically include the following steps:
step 501: transmitting broadcast information to each of at least one indoor unit by using a manifold;
step 502: determining whether response information of the current indoor unit aiming at the broadcast information can be received within a preset time length by using a manifold, if so, executing a step 503, otherwise, executing a step 504;
step 503: obtaining the parameter information of the current indoor unit, and executing step 505
Step 504: reporting the current communication fault of the indoor unit, and ending the current flow;
step 505: acquiring running state information of the outdoor unit and parameter information of the indoor unit through RS485 by using a manifold, scanning to acquire at least one device, and sending a 01 instruction to the at least one scanned device;
step 506: determining whether a target device sending reply information exists by using a bifurcation board;
step 507: determining the existence of an upper computer by using a manifold when the existence of the target equipment sending the reply information is determined;
step 508: the running state information of the outdoor unit and the parameter information of at least one indoor unit are sent to an upper computer;
step 509: and utilizing the upper computer to acquire the running state information of the outdoor unit and the parameter information of the at least one indoor unit from the bifurcation board and control the starting or shutdown state, the running mode and the temperature parameters of the at least one indoor unit and the outdoor unit.
Specifically, each device can predetermine an address, and the addresses of the upper computer and the unit are not repeated. The communication interfaces of the outdoor unit and the manifold are ports A and B of RS 485; the communication interface of the upper computer is RS 485; the manifold plate concentrates the information of the outdoor unit and is connected with the indoor unit through 485.
It is to be understood that the illustrated structure of the embodiments of the present invention does not constitute a specific limitation to the ground source heat pump control system. In other embodiments of the invention, the picture upload system may include more or fewer components than shown, or some components may be combined, some components may be split, or a different arrangement of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
The information interaction, execution process and other contents between the units in the device are based on the same concept as the system embodiment of the present invention, and specific contents can be referred to the description in the system embodiment of the present invention, and are not described herein again.
The embodiment of the invention also provides a ground source heat pump control system, which comprises: at least one memory and at least one processor;
at least one memory for storing a machine readable program;
at least one processor for calling the machine readable program to execute the upper computer communication method in any embodiment of the invention.
Embodiments of the present invention further provide a computer readable medium, on which computer instructions are stored, and when executed by a processor, the computer instructions cause the processor to execute the ground source heat pump control system in any embodiment of the present invention.
Specifically, a system or an apparatus equipped with a storage medium on which software program codes that realize the functions of any of the above-described embodiments are stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program codes stored in the storage medium.
In this case, the program code itself read from the storage medium can realize the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code constitute a part of the present invention.
Examples of the storage medium for supplying the program code include a floppy disk, a hard disk, a magneto-optical disk, an optical disk (e.g., CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD + RW), a magnetic tape, a nonvolatile memory card, and a ROM. Alternatively, the program code may be downloaded from a server computer via a communications network.
Further, it should be clear that the functions of any one of the above-described embodiments may be implemented not only by executing the program code read out by the computer, but also by causing an operating system or the like operating on the computer to perform a part or all of the actual operations based on instructions of the program code.
Further, it is to be understood that the program code read out from the storage medium is written to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causes a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on instructions of the program code, thereby realizing the functions of any of the above-described embodiments.
The embodiments of the invention have at least the following beneficial effects:
1. in the embodiment of the invention, because the prior art adopts the USB interface and the PC upper computer for communication and cannot well acquire the data of each indoor and outdoor unit group, in order to better acquire the data of each indoor and outdoor unit group in the ground source heat pump system, the bifurcation board and the outdoor unit can be connected through RS485, at least one indoor unit and the bifurcation board are connected through RS485, the upper computer and at least one indoor unit are connected through RS485, and the upper computer and the bifurcation board are connected through RS 485; the bifurcation board can be used as an information transfer center to acquire the parameter information of at least one indoor unit and the running state information of the outdoor unit, and can send the acquired parameter information of at least one indoor unit and the running state information of the outdoor unit to the upper computer when the parameter information of at least one indoor unit and the running state information of the outdoor unit are acquired and the parameter information and the running state information of the outdoor unit are determined to be stored in the upper computer, so that the communication among at least one indoor unit, the outdoor unit and the upper computer is established. By the mode, the data of each indoor unit and each outdoor unit can be well collected without being communicated with an upper computer through a USB;
2. in an embodiment of the present invention, the bifurcation board is used as an information relay center, which not only can obtain parameter information of at least one indoor unit and operation state information of an outdoor unit, but also can send the information to an upper computer, so as to control at least one indoor unit and one outdoor unit by the upper computer. Based on this, in order to establish data interaction between the manifold and the upper computer, whether the upper computer exists or not needs to be determined through the manifold first so as to accurately realize the data interaction, at least one external device can be obtained through scanning by the manifold, a 01 instruction is sent to the at least one device obtained through scanning, whether a target device sending reply information exists or not is determined, and when the target device sending the reply information is determined to exist, the upper computer is indicated to exist, and then the running state information of the outdoor unit and the parameter information of at least one indoor unit can be sent to the upper computer;
3. in an embodiment of the present invention, after the connection is established between the upper computer and the branching board, the upper computer may obtain the operation state information of the outdoor unit and the parameter information of the at least one indoor unit from the branching board, and according to the information, the operation control of the at least one indoor unit and the outdoor unit, for example, the control of the power-on or power-off state, the operation mode and the temperature parameter, may be implemented;
4. in an embodiment of the present invention, the manifold board and the indoor units may communicate in a broadcast manner, the manifold board is a host, and may send broadcast information to each indoor unit of at least one indoor unit, determine whether a response message of the current indoor unit to the broadcast information can be received within a preset time period (for example, 30s), and when it is determined that the response message of the current indoor unit to the broadcast information cannot be received within the preset time period, indicate that a communication fault exists in the current indoor unit, and may report a communication fault of the corresponding indoor unit, and if it is determined that the response message of the current indoor unit to the broadcast information can be received within the preset time period, perform data interaction with the current indoor unit, and obtain parameter information of the current indoor unit.
It should be noted that not all steps and modules in the above flows and system structure diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by a plurality of physical entities, or some components in a plurality of independent devices may be implemented together.
In the above embodiments, the hardware unit may be implemented mechanically or electrically. For example, a hardware element may comprise permanently dedicated circuitry or logic (such as a dedicated processor, FPGA or ASIC) to perform the corresponding operations. The hardware elements may also comprise programmable logic or circuitry, such as a general purpose processor or other programmable processor, that may be temporarily configured by software to perform the corresponding operations. The specific implementation (mechanical, or dedicated permanent, or temporarily set) may be determined based on cost and time considerations.
While the invention has been shown and described in detail in the drawings and in the preferred embodiments, it is not intended to limit the invention to the embodiments disclosed, and it will be apparent to those skilled in the art that various combinations of the code auditing means in the various embodiments described above may be used to obtain further embodiments of the invention, which are also within the scope of the invention.
Claims (10)
1. Ground source heat pump control system, its characterized in that includes: the system comprises a manifold plate, at least one indoor unit, an outdoor unit and an upper computer;
the manifold board is connected with the outdoor unit through RS485, the at least one indoor unit is connected with the manifold board through RS485, the upper computer is connected with the at least one indoor unit through RS485, and the upper computer is connected with the manifold board through RS 485;
the branch board is used for acquiring running state information of the outdoor unit and parameter information of the indoor unit through RS485, determining whether the upper computer exists or not, and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer when the upper computer is determined to exist;
the upper computer is used for acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board so as to control the at least one indoor unit and the outdoor unit.
2. The ground source heat pump control system of claim 1,
the manifold is used for scanning and acquiring at least one device, sending a 01 instruction to the at least one scanned and acquired device, determining whether a target device sending reply information exists or not, determining that the upper computer exists when the target device sending the reply information exists, and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer when the upper computer exists.
3. The ground source heat pump control system of claim 1,
the upper computer is used for acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the branching board, and controlling the starting or shutdown state, the running mode and the temperature parameters of the at least one indoor unit and the outdoor unit according to the acquired running state information of the outdoor unit and the acquired parameter information of the at least one indoor unit.
4. The ground source heat pump control system of claim 1,
the manifold board is used for sending broadcast information to each indoor unit of the at least one indoor unit, determining whether response information of the current indoor unit aiming at the broadcast information can be received within a preset time length, reporting the communication fault of the current indoor unit when determining that the response information of the current indoor unit aiming at the broadcast information cannot be received within the preset time length, and acquiring parameter information of the current indoor unit when determining that the response information of the current indoor unit aiming at the broadcast information is received within the preset time length.
5. The ground source heat pump control system of any one of claims 1 to 4,
further comprising: a filter plate;
the filtering plate is connected with the outdoor unit.
6. The ground source heat pump control system of any one of claims 1 to 4,
further comprising: a driver;
the driver is connected with the outdoor unit.
7. The upper computer communication method of the ground source heat pump control system as claimed in claims 1 to 6, comprising:
acquiring running state information of the outdoor unit and parameter information of the indoor unit through RS485 by using a manifold;
determining whether an upper computer exists or not by utilizing the manifold plate;
when the upper computer is determined to exist, the manifold plate is utilized to send the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer;
and acquiring the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board by utilizing the upper computer so as to control the at least one indoor unit and the outdoor unit.
8. The upper computer communication method according to claim 7,
utilize the branch board, confirm whether host computer exists, include:
scanning to obtain at least one device by utilizing the manifold;
sending a 01 instruction to the at least one device obtained by scanning by using the manifold;
determining whether a target device sending reply information exists by using the bifurcation board;
determining the existence of the upper computer by using the manifold when the target equipment which sends the reply information is determined to exist;
and sending the running state information of the outdoor unit and the parameter information of the at least one indoor unit to the upper computer by using the manifold plate when the upper computer is determined to exist.
9. The upper computer communication method according to claim 7,
the utilizing the upper computer to obtain the running state information of the outdoor unit and the parameter information of the at least one indoor unit sent by the bifurcation board so as to control the at least one indoor unit and the outdoor unit comprises the following steps:
acquiring running state information of the outdoor unit and parameter information of the at least one indoor unit sent by the bifurcation board by using the upper computer;
and controlling the starting or shutdown state, the running mode and the temperature parameters of the at least one indoor unit and the outdoor unit by using the upper computer according to the acquired running state information of the outdoor unit and the acquired parameter information of the at least one indoor unit.
10. The upper computer communication method according to claim 7,
transmitting broadcast information to each of the at least one indoor unit using the manifold;
determining whether response information of the current indoor unit aiming at the broadcast information can be received within a preset time by using the manifold plate;
reporting the communication fault of the current indoor unit by using the manifold when determining that the response information of the current indoor unit aiming at the broadcast information cannot be received within a preset time length;
and acquiring the parameter information of the current indoor unit by using the manifold when the response information of the current indoor unit aiming at the broadcast information is received within the determined preset time.
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Cited By (1)
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