CN111765714A - Group control method and device of integrated condensing unit, storage medium and condensing unit - Google Patents
Group control method and device of integrated condensing unit, storage medium and condensing unit Download PDFInfo
- Publication number
- CN111765714A CN111765714A CN202010484738.5A CN202010484738A CN111765714A CN 111765714 A CN111765714 A CN 111765714A CN 202010484738 A CN202010484738 A CN 202010484738A CN 111765714 A CN111765714 A CN 111765714A
- Authority
- CN
- China
- Prior art keywords
- unit
- computer
- defrosting
- upper computer
- condensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a group control method and device of an integrated condensing unit, a storage medium and a condensing unit, wherein the method comprises the following steps: integrated form condensing unit includes a plurality of condensing units, a condensing unit that accords with the preset condition among a plurality of condensing units is as the host computer, and other condensing units are as next computer or standby machine, include: when the unit is an upper computer, collecting the reservoir temperature information according to a preset reservoir temperature collecting mode; determining whether to refrigerate or not according to the collected reservoir temperature information; if the refrigeration is determined, sending a refrigeration instruction to each lower computer to enable each lower computer to refrigerate; when the machine set belongs to a lower computer, receiving a refrigeration instruction sent by the upper computer; and if the refrigeration instruction is received, refrigerating according to the refrigeration instruction. The scheme provided by the invention can ensure the real-time working condition of the operation of each unit.
Description
Technical Field
The invention relates to the field of control, in particular to a group control method and device of an integrated condensing unit, a storage medium and the condensing unit.
Background
At present, the application of the refrigeration house is more and more common, the storage space of the modern refrigeration house is increased along with the great increase of stored objects, and in order to ensure the accurate detection of the real-time temperature of the refrigeration house and prolong the storage time of the objects, a plurality of units are required to be adopted for centralized control; meanwhile, due to the fact that some stored objects are expensive or special, such as special medicaments like insulin, the main machine and the standby machine are required to be operated in a coordinated mode, and the refrigeration house is guaranteed not to stop operating due to the failure of the main machine. At present, most of refrigeration house cold chain equipment on the market adopts separated control, accurate detection of real-time refrigeration house temperature of a large refrigeration house cannot be guaranteed, and simultaneous opening and simultaneous stopping of multiple units cannot be realized, so that the operation state and the actual working condition of a refrigeration house condensing unit have errors.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a group control method and device of an integrated condensing unit, a storage medium and the condensing unit so as to solve the problem that the operating state and the actual working condition of a refrigeration house condensing unit have errors due to the fact that multiple units cannot be started and stopped simultaneously in the prior art.
The invention provides a group control method of an integrated condensing unit, wherein the integrated condensing unit comprises a plurality of condensing units, one condensing unit meeting preset conditions in the plurality of condensing units is used as an upper computer, and other condensing units are used as lower computers or standby machines, and the group control method comprises the following steps: when the unit is an upper computer, collecting the reservoir temperature information according to a preset reservoir temperature collecting mode; determining whether to refrigerate or not according to the collected reservoir temperature information; if the refrigeration is determined, sending a refrigeration instruction to each lower computer to enable each lower computer to refrigerate; when the machine set belongs to a lower computer, receiving a refrigeration instruction sent by the upper computer; and if the refrigeration instruction is received, refrigerating according to the refrigeration instruction.
Optionally, each condensing unit adopts two communication interfaces as group control communication interfaces, and is respectively connected with the other two condensing units through the two communication interfaces, wherein the head and tail condensing units are only connected with one other condensing unit; the preset conditions comprise: the address is minimum in the plurality of condensing units; and/or, the preset warehouse temperature collection mode comprises the following steps: and collecting the temperature of the upper computer or collecting the average value of the temperature of the upper computer and each lower computer.
Optionally, the method further comprises: when the unit is an upper computer, if the defrosting condition is met, sending a defrosting instruction to each lower computer according to a preset defrosting control mode; and/or when the unit belongs to the lower computer, receiving a defrosting instruction sent by the upper computer; if a defrosting instruction sent by an upper computer is received, determining whether defrosting is executed according to a preset defrosting control mode; wherein, the preset defrosting control mode comprises: and determining whether defrosting is carried out according to whether the upper computer carries out defrosting or not, and/or determining whether defrosting is carried out according to the running state of the unit to which the upper computer belongs.
Optionally, the method further comprises: when the machine set belongs to the lower computer, if the upper computer is in fault shutdown, determining whether the machine set belongs to the lower computer with the smallest address in the fault-free lower computers; if the machine set is determined to be the lower computer with the smallest address in the fault-free lower computers, the machine set becomes the upper computer; and/or when the unit belongs to the lower computer, if the unit fails and stops, exiting the group control of the integrated condensing unit; when the fault of the unit is cleared, the group control of the integrated condensing unit is added again; and/or when the machine set belongs to the upper computer, if any lower computer fails to stop, selecting a standby machine to start; and after the fault of the lower computer with the fault is cleared, controlling the standby computer to be closed.
Optionally, the method further comprises: and when the integrated condensing unit is started, controlling the unit to start according to the preset starting delay time.
Another aspect of the present invention provides a group control apparatus for an integrated condensing unit, the integrated condensing unit including a plurality of condensing units, one condensing unit satisfying a preset condition among the plurality of condensing units being an upper computer, and the other condensing units being lower computers or backup machines, including: the acquisition unit is used for acquiring the warehouse temperature information according to a preset warehouse temperature acquisition mode when the unit is an upper computer; the first determining unit is used for determining whether refrigeration is performed according to the collected warehouse temperature information; a sending unit, configured to send a cooling instruction to each lower computer to cool each lower computer if the first determining unit determines to perform cooling; the receiving unit is used for receiving a refrigeration instruction sent by the upper computer when the unit to which the unit belongs is the lower computer; and the execution unit is used for refrigerating according to the refrigerating instruction if the receiving unit receives the refrigerating instruction.
Optionally, each condensing unit adopts two communication interfaces as group control communication interfaces, and is respectively connected with the other two condensing units through the two communication interfaces, wherein the head and tail condensing units are only connected with one other condensing unit; the preset conditions comprise: the address is minimum in the plurality of condensing units; and/or, the preset warehouse temperature collection mode comprises the following steps: and collecting the temperature of the upper computer or collecting the average value of the temperature of the upper computer and each lower computer.
Optionally, the sending unit is further configured to: when the unit is an upper computer, if the defrosting condition is met, sending a defrosting instruction to each lower computer according to a preset defrosting control mode; and/or the receiving unit is further configured to: when the unit belongs to the lower computer, receiving a defrosting instruction sent by the upper computer; the execution unit is further configured to: if the receiving unit receives a defrosting instruction sent by an upper computer, determining whether to execute defrosting according to a preset defrosting control mode; wherein, the preset defrosting control mode comprises: and determining whether defrosting is carried out or not according to whether the upper computer carries out defrosting or not, or determining whether defrosting is carried out or not according to the running state of the unit to which the upper computer belongs.
Optionally, the method further comprises: the second determining unit is used for determining whether the machine set belongs to the lower computer with the smallest address in the fault-free lower computers or not if the upper computer is in fault shutdown when the machine set belongs to the lower computers; if the machine set is determined to be the lower computer with the smallest address in the fault-free lower computers, the machine set becomes the upper computer; and/or the second control unit is used for exiting the group control of the integrated condensing unit if the unit is in failure shutdown when the unit is the lower unit; when the fault of the unit is cleared, the group control of the integrated condensing unit is added again; and/or the first control unit is used for selecting a standby machine to start if any lower machine fails and stops when the machine set is an upper machine; and after the fault of the lower computer with the fault is cleared, controlling the standby computer to be closed.
Optionally, the method further comprises: and the delay control unit is used for controlling the units to be started in a delayed mode according to preset starting delay time when the integrated condensing unit is started.
A further aspect of the invention provides a storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of any of the methods described above.
A further aspect of the invention provides a condensing unit comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described above when executing the program.
The invention further provides a condensing unit, which comprises the group control device of the integrated condensing unit.
According to the technical scheme of the invention, the integrated condensing unit is adopted for centralized control, so that the requirements of the storage technology of a large-space cold storage and the storage of special articles are met, an upper computer is selected in the condensing unit according to preset conditions, and each condensing unit is controlled according to different operation modes of a user, so that the diversification of centralized control is achieved; the real-time temperature of the large-scale cold storage is accurately detected, and the real-time working condition of the operation of each unit is ensured; the dynamic operation management mechanism of the upper computer is realized, and under the condition that the upper computer fails, a new upper computer is selected from other fault-free units again, so that the control and switching are flexible, and the breakdown of the whole unit group is prevented; when the lower computer is in fault shutdown, a standby machine is selected to be added into group control, so that the fault automatic switching of the main machine and the standby machine of the condensing unit is realized, and the maximization of the resource utilization of the condensing unit is achieved; and a time delay starting mechanism of each unit is adopted to effectively carry out unit protection measures. Meanwhile, different from multi-unit management of a PLC system, the dynamic management mechanism of the upper computer selects the upper computer in the operating units, the control switching is flexible, and the condition that the unit is paralyzed due to PLC faults is prevented on the basis of avoiding expensive cost of the PLC.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic method diagram of an embodiment of a group control method for an integrated condensing unit according to the present invention;
FIG. 2 is a schematic wiring diagram of an integrated condensing unit according to the present invention;
FIG. 3 is a schematic method diagram of another embodiment of the group control method of the integrated condensing unit provided by the present invention;
FIG. 4 is a schematic method diagram of a group control method for an integrated condensing unit according to another embodiment of the present invention;
FIG. 5 is a schematic method diagram of a group control method for an integrated condensing unit according to still another embodiment of the present invention;
FIG. 6 is a schematic method diagram illustrating a group control method for an integrated condensing unit according to still another embodiment of the present invention;
FIG. 7 is a schematic method diagram illustrating a group control method for an integrated condensing unit according to still another embodiment of the present invention;
FIG. 8 is a schematic method diagram illustrating a group control method for an integrated condensing unit according to still another embodiment of the present invention;
FIG. 9 is a schematic view illustrating a user setting process of a control method of the integrated condensing unit according to the present invention;
FIG. 10 is a schematic flow chart of the standby-less mode of the control method of the integrated condensing unit provided by the invention;
FIG. 11 is a schematic flow chart of the standby mode of the control method of the integrated condensing unit provided by the invention;
fig. 12 is a schematic structural diagram of an embodiment of a group control device of an integrated condensing unit provided in the present invention;
FIG. 13 is a schematic structural diagram of another embodiment of a group control device of an integrated condensing unit according to the present invention;
FIG. 14 is a schematic structural diagram of a group control device of an integrated condensing unit according to another embodiment of the present invention;
fig. 15 is a schematic structural diagram of a group control device of an integrated condensing unit according to still another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 2 is a schematic wiring diagram of an integrated condensing unit according to the present invention. As shown in fig. 2, the integrated condensing unit includes a plurality of condensing units, each of which further includes an air cooler; by using multi-unit centralized control, function selection can be performed through the manual operators of the condensing units (only one manual operator of each condensing unit is shown in fig. 2, it should be understood that each condensing unit is provided with one manual operator), and communication is performed among the condensing units through a shielding communication line.
Preferably, a one-plate double-port wiring mode is adopted, each condensing unit adopts two communication interfaces as group control communication interfaces, the two communication interfaces are respectively connected with the other two condensing units, and the two condensing units at the head and the tail are only connected with the other condensing unit. For example, two RS485 interfaces are adopted by each condensing unit mainboard as group control communication interfaces, the anti-interference capability of data transmission is enhanced through differential signals, the two RS485 interfaces are connected with the group control communication interfaces of other two condensing units through shielded wires, and the two condensing units at the head and the tail are respectively connected with only one other condensing unit. The communication between each unit can adopt an industrial-grade ModBus RTU protocol.
The invention provides a group control method of an integrated condensing unit. The method may be used in each of a plurality of condensing units comprised by the integrated condensing unit. One condensing unit which accords with preset conditions in the plurality of condensing units serves as an upper computer, and other condensing units serve as lower computers or standby machines. Specifically, the user may select at least two condensing units of the plurality of condensing units as the main machines, and the rest as the standby machines. One of the at least two condensing units as the host machine, which meets preset conditions, is used as an upper computer, and the rest are used as lower computers.
The preset conditions may specifically include: the address is smallest among the plurality of condensing units. For example, the address of each condensing unit may be set, wherein the condensing unit with the smallest address automatically becomes the upper computer. The host and the standby machine can set addresses in different ranges, for example, the address setting range of the host is 1-100, and the address setting range of the standby machine is more than 100.
Specifically, the condensing units (hosts) with different addresses determine whether the condensing units are the upper computer or not based on the data waiting time of the communication bus, namely, the data receiving waiting time is determined according to the addresses of the condensing units, and if the data sent by the upper computer is not received in the data receiving waiting time, the condensing units (hosts) automatically become the upper computer.
The address may specifically be a number, for example 1, 2, 3, 4, …. The data receiving waiting time can be the product of an address and first preset time, namely the larger the address is, the longer the corresponding data receiving waiting time is, and the purpose that a condensing unit (host) with the smallest address automatically becomes an upper computer is achieved.
Fig. 1 is a schematic method diagram of an embodiment of a group control method for an integrated condensing unit according to the present invention.
As shown in fig. 1, according to an embodiment of the present invention, when the unit is an upper computer, the group control method of the integrated condensing unit at least includes step S110, step S120 and step S130.
And S110, when the unit is an upper computer, collecting the warehouse temperature information according to a preset warehouse temperature collecting mode.
Specifically, the user can select a warehouse temperature collection mode through each manual operator of the condensing unit serving as the main machine. The upper computer collects the temperature of the upper computer and the temperature of each lower computer in real time, and the temperature of the lower computer is collected according to a preset temperature collection mode. The preset warehouse temperature collection mode comprises the following steps: and collecting the temperature of the upper computer or collecting the average value of the temperature of the upper computer and each lower computer. The user can choose to use the upper computer warehouse temperature as the standard or use the average warehouse temperature as the standard, and if the user chooses to use the average warehouse temperature as the standard, the upper computer will collect the warehouse temperatures collected by all the units and take the average value, so as to ensure that the working condition difference is not large.
And step S120, determining whether to refrigerate or not according to the collected warehouse temperature information.
Specifically, the collected reservoir temperature is compared with a target reservoir temperature to determine whether to perform cooling, for example, when the collected reservoir temperature is lower than the target reservoir temperature, it is determined that cooling is required.
In step S130, if it is determined to perform cooling, a cooling command is transmitted to each lower computer, and each lower computer is cooled.
And if the upper computer meets the refrigeration condition, the lower computer receives the refrigeration instruction and then enters refrigeration along with the upper computer.
Fig. 3 is a schematic method diagram of another embodiment of the group control method of the integrated condensing unit provided by the invention.
As shown in fig. 3, based on the above embodiment, according to another embodiment of the present invention, when the unit is an upper computer, the group control method of the integrated condensing unit further includes step S140.
And step S140, when the unit belongs to the upper computer, if the defrosting condition is met for defrosting, sending a defrosting instruction to each lower computer according to a preset defrosting control mode.
The defrosting control mode may specifically include: whether defrosting is carried out or not is determined according to whether defrosting is carried out or not by the upper computer (namely, the defrosting is carried out along with the upper computer), and whether defrosting is carried out or not is determined according to the running state of the unit to which the unit belongs. The defrosting control mode may be preset by a user. The user can select defrosting to be carried out along with the upper computer or each unit carries out defrosting respectively according to different requirements of the stored materials on temperature. The user can select the defrosting control mode through the manual operator of each condensing unit serving as the main machine. And when the upper computer meets the defrosting condition, sending a defrosting instruction to the lower computer, and determining whether defrosting is carried out or not by the lower computer according to the preset defrosting control mode. Namely, if the preset defrosting control mode is that whether defrosting is carried out or not is determined according to whether defrosting is carried out or not by the upper computer, defrosting is determined to be carried out; and if the preset defrosting control mode is to determine whether to defrost according to the running state of the self-defrosting control mode, determining whether to defrost according to whether the running state of the self-defrosting control mode meets the defrosting condition.
According to the embodiment of the invention, the integrated condensing unit is adopted for centralized control, so that the requirements of the storage technology of a large-space cold storage and the storage of special articles are met, the upper computer is selected in the condensing unit according to preset conditions, and each condensing unit is controlled according to different operation modes of a user, so that the diversification of the centralized control is achieved.
Fig. 4 is a schematic method diagram of a group control method of an integrated condensing unit according to another embodiment of the present invention.
As shown in fig. 4, according to another embodiment of the present invention, when the unit is an upper computer, the group control method of the integrated condensing unit further includes step S150 and step S160.
And S150, when the machine set belongs to the upper computer, if any lower computer fails to stop, selecting a standby machine to start.
And step S160, controlling the standby machine to be closed after the fault of the lower computer with the fault is cleared.
Specifically, if any lower computer fails and stops, the group control of the integrated condensing unit is exited, the lower computer can be exited by shielding data on the communication bus, the lower computer is kept in a stop state after exiting the group control, and after the failure is cleared, the lower computer is restarted and reengaged in the group control of the integrated condensing unit, namely, the data on the communication bus is not shielded again.
When the machine set belongs to the upper computers, the fault state of each lower computer is collected in real time, if any lower computer is detected to be in fault shutdown, one lower computer is selected from the standby machines to be started and is involved in group control, and therefore the number of the lower computers is not changed. Alternatively, the standby machine with the smallest address can be selected from the standby machines to be started. And after the fault of the lower computer with the fault is cleared, the lower computer is added into the group control of the integrated condensing unit again, and the standby machine is controlled to be closed.
Fig. 5 is a schematic method diagram of a group control method for an integrated condensing unit according to still another embodiment of the present invention.
As shown in fig. 5, according to another embodiment of the present invention, when the unit is a lower computer, the group control method of the integrated condensing unit includes steps S210 and S220. (in the following fig. 5 to 8, the steps of the machine set are omitted when the machine set is an upper computer, only the steps of the machine set when the machine set is a lower computer are shown, and it should be understood that the method may also include all the steps of any of the foregoing embodiments when the machine set is an upper computer)
And step S210, when the unit is a lower computer, receiving a refrigeration instruction sent by the upper computer.
And step S220, if the refrigeration instruction is received, refrigerating according to the refrigeration instruction.
Specifically, if the upper computer meets the refrigeration condition, the lower computer enters refrigeration along with the upper computer. And when the belonging condensing unit is a lower computer, if a refrigerating instruction sent by the upper computer is received, refrigerating is carried out.
Fig. 6 is a schematic method diagram of a group control method for an integrated condensing unit according to still another embodiment of the present invention.
As shown in fig. 6, according to another embodiment of the present invention, when the unit is a lower computer, the group control method of the integrated condensing unit further includes step S230 and step S240.
And step S230, when the unit belongs to the lower computer, receiving a defrosting instruction sent by the upper computer.
Step S240, if a defrosting command sent by the upper computer is received, determining whether to perform defrosting according to a preset defrosting control mode.
Specifically, the defrosting control mode may specifically include: whether defrosting is carried out or not is determined according to whether defrosting is carried out or not by the upper computer, and whether defrosting is carried out or not is determined according to the running state of the unit to which the upper computer belongs. The defrosting control mode may be preset by a user. The user can select the defrosting control mode through the manual operator of each condensing unit serving as the main machine. And when the upper computer meets the defrosting condition, sending a defrosting instruction to the lower computer, and determining whether defrosting is carried out or not by the lower computer according to the preset defrosting control mode. Namely, if the preset defrosting control mode is that whether defrosting is carried out or not is determined according to whether defrosting is carried out or not by the upper computer, defrosting is determined to be carried out; and if the preset defrosting control mode is to determine whether to defrost according to the running state of the self-defrosting control mode, determining whether to defrost according to whether the running state of the self-defrosting control mode meets the defrosting condition.
Fig. 7 is a schematic method diagram of a group control method for an integrated condensing unit according to still another embodiment of the present invention.
As shown in fig. 7, according to another embodiment of the present invention, when the unit is a lower computer, the group control method of the integrated condensing unit further includes step S250 and step S260, according to any of the above embodiments.
And step S250, when the machine set belongs to the lower computer, if the upper computer is in fault shutdown, determining whether the machine set belongs to the lower computer with the smallest address in the fault-free lower computers.
And step S260, if the machine set is determined to be the lower computer with the smallest address in the fault-free lower computers, the machine set becomes the upper computer.
Specifically, when the belonging unit is a lower computer, if data sent by the upper computer is not received within preset waiting time, the upper computer is determined to be in a fault shutdown state, whether the belonging unit is a lower computer with the smallest address in the fault-free lower computers is determined, if the belonging unit is determined to be the lower computer with the smallest address in the fault-free lower computers, the belonging unit becomes the upper computer, and the operation of the upper computer is executed.
Optionally, whether the machine set has the lowest address of the lower computers without faults or not can be determined based on the data waiting time of the communication bus. Specifically, data receiving waiting time is determined according to the address of the affiliated machine set, and if data sent by the upper computer is not received within the data receiving waiting time, the affiliated machine set is determined to be the lower computer with the smallest address in the fault-free lower computers and automatically becomes the upper computer.
The address may specifically be a number, for example 1, 2, 3, 4, …. The data receiving waiting time can be the product of an address and first preset time, namely the larger the address is, the longer the corresponding data receiving waiting time is, and the purpose that a condensing unit (host) with the smallest address automatically becomes an upper computer is achieved.
Fig. 8 is a schematic method diagram of a group control method for an integrated condensing unit according to still another embodiment of the present invention.
As shown in fig. 8, according to another embodiment of the present invention, when the unit is a lower computer, the group control method of the integrated condensing unit further includes step S270 and step S280.
And step S270, when the unit belongs to the lower computer, if the unit fails and stops, the group control of the integrated condensing unit is exited.
And step S280, when the fault of the unit is cleared, adding the group control of the integrated condensing unit again.
Specifically, when the machine set belongs to the lower computer, if the machine set is in fault shutdown, the machine set is controlled to exit the group control of the integrated condensing machine set, the exiting group control can be realized by shielding data on the communication bus, the machine set is kept in a shutdown state after exiting the group control, and after the fault is cleared, the machine set is controlled to reenter the group control of the integrated condensing machine set, namely, the data on the communication bus is not shielded.
Optionally, the method further comprises: and when the integrated condensing unit is started, controlling the unit to start according to the preset starting delay time.
Specifically, the startup delay time is determined according to an address of the unit to which the unit belongs, the startup delay time of the unit to which the unit belongs may specifically be a product of the address and a second preset time, the address may specifically be a number, for example, 1, 2, 3, 4, and …, and the larger the address is, the longer the corresponding startup delay time is, so that delayed startup of each condensing unit is realized, and power protection is performed.
For clearly illustrating the technical solution of the present invention, the following describes an implementation flow of the control method of the integrated condensing unit according to an embodiment of the present invention.
Fig. 9 is a schematic view of a user setting flow of a control method of the integrated condensing unit provided by the invention. As shown in fig. 9, the flow chart of the mode selection performed by the user of the integrated condensing unit is shown.
The manual operators of the plurality of condensing units can select from two operation modes of centralized control of the condensing units, including an inorganic standby machine group control mode and a standby machine group control mode. Firstly, determining whether a user sets a group control function, and if the user does not set the group control function, independently operating each unit according to respective state; if the user sets the group control function, determining the host with the minimum address as an upper computer; after the upper computer is determined, a user can select the average storage temperature of each unit or the storage temperature of the upper computer to acquire the temperature of the refrigeration storage; a user can select a defrosting mode, and can select whether defrosting is carried out according to the defrosting requirement of the upper computer or whether each unit carries out defrosting according to the defrosting requirement; a user can select whether to set a standby machine or not, and can select an operation mode 1 or an operation mode 2, wherein the operation mode 1 is the group control of the non-standby machine, and the operation mode 2 is the group control of the standby machine.
Fig. 10 is a schematic flow chart of the standby-less mode of the control method of the integrated condensing unit provided by the invention. As shown in fig. 10, the flow of the group control of the non-backup machine (operation mode 1) is as follows:
the upper computer collects the warehouse temperature of each lower computer in real time, compares the warehouse temperature with the target warehouse temperature according to a preset warehouse temperature collection mode, and judges whether refrigeration is performed or not; if the refrigeration condition is met, the lower computer enters refrigeration along with the upper computer; if the upper computer meets the defrosting condition for defrosting, the lower computer judges whether to continue refrigerating or defrosting (not shown in the figure) according to a preselected defrosting control mode; in the operation process, if the upper computer has a halt fault, the lower computer waits for the preset time without being named after the upper computer is halted, and the lower computer with the smallest address in the lower computers without faults becomes the upper computer; in the operation process, if any lower computer (slave) has a shutdown fault, the lower computer exits group control and operates according to the state of the lower computer, until the fault of the lower computer is cleared, the lower computer recovers from the fault, and then the lower computer reenters the group control, and the upper computer controls the lower computer to operate according to the set parameters.
Fig. 11 is a schematic flow chart of the standby mode of the control method of the integrated condensing unit provided by the invention. As shown in fig. 11, the flow of group control with standby machines (operation mode 2) is as follows:
the upper computer collects the warehouse temperature of each lower computer in real time, and the upper computer compares the warehouse temperature with the target warehouse temperature according to a preset warehouse temperature collection mode to judge whether refrigeration is performed or not; if the refrigeration condition is met, the lower computer enters refrigeration along with the upper computer; if the upper computer meets the defrosting condition for defrosting, the lower computer judges whether to continue refrigerating or defrosting (not shown in the figure) according to a preselected defrosting control mode; if the upper computer has a halt fault in the running process, after the upper computer is halted, the lower computer waits for the preset time and is not named, and the lower computer with the smallest address in the lower computers without faults becomes the upper computer; in the running process, if any lower computer has a shutdown fault, selecting a unit with the smallest address and not started from the standby computers to start and bring the unit into group control, so that the number of the lower computers is unchanged, and if the fault of the lower computer with the fault is cleared, adding the group control again and closing the standby computers.
The invention also provides a group control device of the integrated condensing unit. The device can be used in each of a plurality of condensing units comprised by the integrated condensing unit. One condensing unit which accords with preset conditions in the plurality of condensing units serves as an upper computer, and other condensing units serve as lower computers or standby machines. Specifically, the user may select at least two condensing units of the plurality of condensing units as the main machines, and the rest as the standby machines. One of the at least two condensing units as the host machine, which meets preset conditions, is used as an upper computer, and the rest are used as lower computers.
The preset conditions may specifically include: the address is smallest among the plurality of condensing units. For example, the address of each condensing unit may be set, wherein the condensing unit with the smallest address automatically becomes the upper computer. The host and the standby machine can set addresses in different ranges, for example, the address setting range of the host is 1-100, and the address setting range of the standby machine is more than 100.
Specifically, the condensing units (hosts) with different addresses determine whether the condensing units are the upper computer or not based on the data waiting time of the communication bus, namely, the data receiving waiting time is determined according to the addresses of the condensing units, and if the data sent by the upper computer is not received in the data receiving waiting time, the condensing units (hosts) automatically become the upper computer.
The address may specifically be a number, for example 1, 2, 3, 4, …. The data receiving waiting time can be the product of an address and first preset time, namely the larger the address is, the longer the corresponding data receiving waiting time is, and the purpose that a condensing unit (host) with the smallest address automatically becomes an upper computer is achieved.
Fig. 12 is a schematic structural diagram of an embodiment of a group control device of an integrated condensing unit according to the present invention. As shown in fig. 12, the group control device 1 of the integrated condensing unit includes a collecting unit 110, a first determining unit 120, a sending unit 130, and/or includes a receiving unit 210 and an executing unit 220.
The acquisition unit 110 is configured to acquire the reservoir temperature information according to a preset reservoir temperature acquisition mode when the unit is an upper computer; the first determining unit 120 is configured to determine whether to perform cooling according to the collected reservoir temperature information; the transmission unit 130 is configured to transmit a cooling instruction to each lower-level device to cool each lower-level device when the first determination unit 120 determines to cool the lower-level device.
Specifically, the user can select a warehouse temperature collection mode through each manual operator of the condensing unit serving as the main machine. When the unit is an upper computer, the collection unit 110 collects the temperature of the unit and the temperature of each lower computer in real time, and collects the temperature of the unit according to a preset collection mode of the temperature of the unit. The preset warehouse temperature collection mode comprises the following steps: and collecting the temperature of the upper computer or collecting the average value of the temperature of the upper computer and each lower computer. The user can choose to use the upper computer warehouse temperature as the standard or use the average warehouse temperature as the standard, and if the user chooses to use the average warehouse temperature as the standard, the upper computer will collect the warehouse temperatures collected by all the units and take the average value, so as to ensure that the working condition difference is not large.
The first determination unit 120 compares the collected reservoir temperature with a target reservoir temperature, and determines whether or not cooling is performed, for example, when the collected reservoir temperature is lower than the target reservoir temperature, it is determined that cooling is required. When the first determination unit 120 determines to perform cooling, the transmission unit 130 transmits a cooling instruction to each lower-level computer to cool each lower-level computer. And if the upper computer meets the refrigeration condition, the lower computer receives the refrigeration instruction and then enters refrigeration along with the upper computer.
The receiving unit 210 is configured to receive a refrigeration instruction sent by an upper computer when the unit to which the unit belongs is a lower computer; the execution unit 220 is configured to perform cooling according to the cooling instruction if the cooling instruction is received.
Specifically, if the upper computer meets the refrigeration condition, the lower computer enters refrigeration along with the upper computer. When the belonging condensing unit is a lower computer, if the receiving unit 210 receives a refrigeration instruction sent by the upper computer, the executing unit 220 controls the belonging unit to enter refrigeration.
Optionally, the sending unit 130 is further configured to: when the unit to which the terminal belongs is an upper computer, if a defrosting condition is met for defrosting, sending a defrosting instruction to each lower computer according to a preset defrosting control mode, and/or the receiving unit 210 is further configured to: when the unit is a lower computer, a defrosting instruction sent by the upper computer is received; the execution unit 220 is further configured to: and if the receiving unit receives a defrosting instruction sent by the upper computer, determining whether to execute defrosting according to a preset defrosting control mode.
The defrosting control mode may specifically include: and determining whether defrosting is carried out according to whether the upper computer carries out defrosting or not, and/or determining whether defrosting is carried out according to the running state of the unit to which the upper computer belongs. The defrosting control mode may be selected by a user. The user can select the defrosting control mode through the manual operator of each condensing unit serving as the main machine. When the unit is an upper computer and meets the defrosting condition, the sending unit 130 sends a defrosting instruction to a lower computer, and the lower computer determines whether to defrost according to the preset defrosting control mode. Namely, if the preset defrosting control mode is that whether defrosting is carried out or not is determined according to whether defrosting is carried out or not by the upper computer, defrosting is determined to be carried out; and if the preset defrosting control mode is to determine whether to defrost according to the running state of the self-defrosting control mode, determining whether to defrost according to whether the running state of the self-defrosting control mode meets the defrosting condition. When the unit is a lower computer, if the receiving unit 210 receives a defrosting instruction sent by the upper computer, whether defrosting is performed or not is determined according to a preset defrosting control mode.
Fig. 13 is a schematic structural diagram of another embodiment of the group control device of the integrated condensing unit according to the present invention. As shown in fig. 13, the group control device 1 of the integrated condensing unit further includes a second determination unit 260.
A second determining unit 260, configured to determine, when the belonging unit is a lower computer, whether the belonging unit is a lower computer with a smallest address in the fault-free lower computers if the upper computer is in a fault-free shutdown state; and if the machine set is determined to be the lower computer with the smallest address in the fault-free lower computers, the machine set becomes the upper computer.
Specifically, when the belonging unit is a lower computer, if data sent by the upper computer is not received within the preset waiting time, the second determining unit 260 determines that the upper computer is in a fault shutdown state, determines whether the belonging unit is a lower computer with the smallest address in the fault-free lower computers, and if the belonging unit is determined to be a lower computer with the smallest address in the fault-free lower computers, the belonging unit becomes the upper computer and executes the operation of the upper computer.
Optionally, whether the machine set has the lowest address of the lower computers without faults or not can be determined based on the data waiting time of the communication bus. Specifically, data receiving waiting time is determined according to the address of the affiliated machine set, and if data sent by the upper computer is not received within the data receiving waiting time, the affiliated machine set is determined to be the lower computer with the smallest address in the fault-free lower computers and automatically becomes the upper computer.
The address may specifically be a number, for example 1, 2, 3, 4, …. The data receiving waiting time can be the product of an address and first preset time, namely the larger the address is, the longer the corresponding data receiving waiting time is, and the purpose that a condensing unit (host) with the smallest address automatically becomes an upper computer is achieved.
Fig. 14 is a schematic structural diagram of a group control device of an integrated condensing unit according to another embodiment of the present invention. As shown in fig. 14, the group control device 1 of the integrated condensing unit further includes a second control unit 270.
The second control unit 270 is configured to, when the belonging unit is a lower unit, if the belonging unit fails and stops, quit the group control of the integrated condensing unit; and when the fault of the unit is cleared, the group control of the integrated condensing unit is added again.
Specifically, when the belonging unit is the lower computer, if the fault shutdown occurs, the control unit 270 controls the belonging unit to exit the group control of the integrated condensing unit, the group control can be exited by shielding data on the communication bus, the belonging unit is kept in the shutdown state after exiting the group control, and after the fault is cleared, the belonging unit is controlled to reenter the group control of the integrated condensing unit, that is, the data on the communication bus is not shielded again.
Fig. 15 is a schematic structural diagram of a group control device of an integrated condensing unit according to still another embodiment of the present invention. As shown in fig. 15, the group control device 1 of the integrated condensing unit further includes a first control unit 160.
The first control unit 160 is configured to, when the unit to which the first control unit belongs is an upper computer, select a standby computer to start if any lower computer fails and stops; and after the fault of the lower computer with the fault is cleared, controlling the standby computer to be closed.
Specifically, if any lower computer fails and stops, the group control of the integrated condensing unit is exited, the lower computer can exit the group control by shielding data on the communication bus, the lower computer keeps a stop state after exiting the group control, and after the failure is cleared, the lower computer rejoins the group control of the integrated condensing unit, namely, the data on the communication bus is not shielded any more.
When the machine set belongs to the upper computers, the fault state of each lower computer is collected in real time, if any lower computer is detected to be in fault shutdown, one lower computer is selected from the standby machines to be started and is involved in group control, and therefore the number of the lower computers is not changed. Alternatively, the standby machine with the smallest address can be selected from the standby machines to be started. And after the fault of the lower computer with the fault is cleared, the lower computer is added into the group control of the integrated condensing unit again, and the standby machine is controlled to be closed.
Optionally, the apparatus 1 further comprises a delay control unit (not shown).
And the delay control unit is used for controlling the units to be started in a delayed mode according to preset starting delay time when the integrated condensing unit is started.
Specifically, the startup delay time is determined according to an address of the unit to which the unit belongs, the startup delay time of the unit to which the unit belongs may specifically be a product of the address and a second preset time, the address may specifically be a number, for example, 1, 2, 3, 4, and …, and the larger the address is, the longer the corresponding startup delay time is, so that delayed startup of each condensing unit is realized, and power protection is performed.
The invention also provides a storage medium corresponding to the group control method of the integrated condensing unit, wherein a computer program is stored on the storage medium, and the computer program is used for realizing the steps of any one of the methods when being executed by a processor.
The invention also provides a condenser unit corresponding to the group control method of the integrated condenser unit, which comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of any one of the methods.
The invention also provides a condensing unit corresponding to the group control device of the integrated condensing unit, which comprises any group control device of the integrated condensing unit.
According to the scheme provided by the invention, the integrated condensing unit is adopted for centralized control, so that the requirements of the storage technology of a large-space cold storage and the storage of special articles are met, the upper computer is selected in the condensing unit according to preset conditions, and each condensing unit is controlled according to different operation modes of a user, so that the centralized control diversification is achieved; the real-time temperature of the large-scale cold storage is accurately detected, and the real-time working condition of the operation of each unit is ensured; the dynamic operation management mechanism of the upper computer is realized, and under the condition that the upper computer fails, a new upper computer is selected from other fault-free units again, so that the control and switching are flexible, and the breakdown of the whole unit group is prevented; when the lower computer is in fault shutdown, a standby machine is selected to be added into group control, so that the fault automatic switching of the main machine and the standby machine of the condensing unit is realized, the running time of the compressor is reasonably balanced, and the maximization of the resource utilization of the condensing unit is achieved; and a time delay starting mechanism of each unit is adopted to effectively carry out unit protection measures. Meanwhile, different from multi-unit management of a PLC system, the dynamic management mechanism of the upper computer selects the upper computer in the operating units, the control switching is flexible, and the condition that the unit is paralyzed due to PLC faults is prevented on the basis of avoiding expensive cost of the PLC.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (12)
1. The group control method of the integrated condensing units is characterized in that the integrated condensing units comprise a plurality of condensing units, one condensing unit which accords with preset conditions in the condensing units serves as an upper computer, and other condensing units serve as lower computers or standby machines, and the group control method comprises the following steps:
when the unit is an upper computer, collecting the reservoir temperature information according to a preset reservoir temperature collecting mode;
determining whether to refrigerate or not according to the collected reservoir temperature information;
if the refrigeration is determined, sending a refrigeration instruction to each lower computer to enable each lower computer to refrigerate;
when the machine set belongs to a lower computer, receiving a refrigeration instruction sent by the upper computer;
and if the refrigeration instruction is received, refrigerating according to the refrigeration instruction.
2. The method of claim 1,
each condensing unit adopts two communication interfaces as group control communication interfaces, and is respectively connected with other two condensing units through the two communication interfaces, wherein the two condensing units at the head and the tail are only connected with one other condensing unit;
the preset conditions comprise: the address is minimum in the plurality of condensing units;
and/or the presence of a gas in the gas,
the preset warehouse temperature collection mode comprises the following steps: and collecting the temperature of the upper computer or collecting the average value of the temperature of the upper computer and each lower computer.
3. The method of claim 1, further comprising:
when the unit is an upper computer, if the defrosting condition is met, sending a defrosting instruction to each lower computer according to a preset defrosting control mode;
and/or the presence of a gas in the gas,
when the unit belongs to the lower computer, receiving a defrosting instruction sent by the upper computer;
if a defrosting instruction sent by an upper computer is received, determining whether defrosting is executed according to a preset defrosting control mode;
wherein, the preset defrosting control mode comprises: and determining whether defrosting is carried out or not according to whether the upper computer carries out defrosting or not, or determining whether defrosting is carried out or not according to the running state of the unit to which the upper computer belongs.
4. The method according to any one of claims 1-3, further comprising:
when the machine set belongs to the lower computer, if the upper computer is in fault shutdown, determining whether the machine set belongs to the lower computer with the smallest address in the fault-free lower computers;
if the machine set is determined to be the lower computer with the smallest address in the fault-free lower computers, the machine set becomes the upper computer;
and/or the presence of a gas in the gas,
when the unit belongs to the lower computer, if the unit fails and stops, the group control of the integrated condensing unit is exited;
when the fault of the unit is cleared, the group control of the integrated condensing unit is added again;
and/or the presence of a gas in the gas,
when the machine set belongs to the upper computer, if any lower computer fails and stops, a standby machine is selected to be started;
and after the fault of the lower computer with the fault is cleared, controlling the standby computer to be closed.
5. The method according to any one of claims 1-3, further comprising:
and when the integrated condensing unit is started, controlling the unit to start according to the preset starting delay time.
6. The utility model provides a crowd accuse device of integrated form condensing unit, its characterized in that, integrated form condensing unit includes a plurality of condensing units, a condensing unit that accords with the preset condition among a plurality of condensing units is as the host computer, and other condensing units are as next machine or standby machine, include:
the acquisition unit is used for acquiring the warehouse temperature information according to a preset warehouse temperature acquisition mode when the unit is an upper computer;
the first determining unit is used for determining whether refrigeration is performed according to the collected warehouse temperature information;
a sending unit, configured to send a cooling instruction to each lower computer to cool each lower computer if the first determining unit determines to perform cooling;
the receiving unit is used for receiving a refrigeration instruction sent by the upper computer when the unit to which the unit belongs is the lower computer;
and the execution unit is used for refrigerating according to the refrigerating instruction if the receiving unit receives the refrigerating instruction.
7. The apparatus of claim 6,
each condensing unit adopts two communication interfaces as group control communication interfaces, and is respectively connected with other two condensing units through the two communication interfaces, wherein the two condensing units at the head and the tail are only connected with one other condensing unit;
the preset conditions comprise: the address is minimum in the plurality of condensing units;
and/or the presence of a gas in the gas,
the preset warehouse temperature collection mode comprises the following steps: and collecting the temperature of the upper computer or collecting the average value of the temperature of the upper computer and each lower computer.
8. The apparatus of claim 6,
the sending unit is further configured to: when the unit is an upper computer, if the defrosting condition is met, sending a defrosting instruction to each lower computer according to a preset defrosting control mode;
and/or the presence of a gas in the gas,
the receiving unit is further configured to: when the unit belongs to the lower computer, receiving a defrosting instruction sent by the upper computer;
the execution unit is further configured to: if the receiving unit receives a defrosting instruction sent by an upper computer, determining whether to execute defrosting according to a preset defrosting control mode;
wherein, the preset defrosting control mode comprises: and determining whether defrosting is carried out or not according to whether the upper computer carries out defrosting or not, or determining whether defrosting is carried out or not according to the running state of the unit to which the upper computer belongs.
9. The apparatus of any of claims 6-8, further comprising:
the second determining unit is used for determining whether the machine set belongs to the lower computer with the smallest address in the fault-free lower computers or not if the upper computer is in fault shutdown when the machine set belongs to the lower computers; if the machine set is determined to be the lower computer with the smallest address in the fault-free lower computers, the machine set becomes the upper computer;
and/or the presence of a gas in the gas,
the second control unit is used for quitting the group control of the integrated condensing unit if the unit is in failure shutdown when the unit is the lower unit; when the fault of the unit is cleared, the group control of the integrated condensing unit is added again;
and/or the presence of a gas in the gas,
the first control unit is used for selecting a standby machine to start if any lower machine fails and stops when the machine set is an upper machine; and after the fault of the lower computer with the fault is cleared, controlling the standby computer to be closed.
10. The apparatus of any of claims 6-8, further comprising:
and the delay control unit is used for controlling the units to be started in a delayed mode according to preset starting delay time when the integrated condensing unit is started.
11. A storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 5.
12. A condensing unit comprising a processor, a memory and a computer program stored on the memory and operable on the processor, the processor when executing the program implementing the steps of the method according to any one of claims 1 to 5 or comprising a group control of the integrated condensing unit according to any one of claims 6 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010484738.5A CN111765714B (en) | 2020-06-01 | 2020-06-01 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010484738.5A CN111765714B (en) | 2020-06-01 | 2020-06-01 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111765714A true CN111765714A (en) | 2020-10-13 |
| CN111765714B CN111765714B (en) | 2021-07-30 |
Family
ID=72720019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010484738.5A Active CN111765714B (en) | 2020-06-01 | 2020-06-01 | Group control method and device of integrated condensing unit, storage medium and condensing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111765714B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202058A (en) * | 1987-03-07 | 1988-09-14 | Cambridge Instr Ltd | Temperature control systems |
| US6185946B1 (en) * | 1999-05-07 | 2001-02-13 | Thomas B. Hartman | System for sequencing chillers in a loop cooling plant and other systems that employ all variable-speed units |
| CN1357717A (en) * | 2000-12-05 | 2002-07-10 | 珠海格力电器股份有限公司 | Remote air conditioner monitoring system |
| US20060123811A1 (en) * | 2004-12-14 | 2006-06-15 | Lg Electronics Inc. | Multi-air conditioner and group-unit control method thereof |
| CN1968126A (en) * | 2005-11-16 | 2007-05-23 | 珠海格力电器股份有限公司 | Method for remote monitoring and group control of central air conditioning unit |
| CN202694121U (en) * | 2011-08-19 | 2013-01-23 | 北京佩尔优科技有限公司 | Data acquisition system for energy storage air conditioner |
| CN103216919A (en) * | 2013-05-09 | 2013-07-24 | 江苏易云科技有限公司 | Air conditioner system based on dynamic environmental control refrigerating efficiency and control method |
| CN205102485U (en) * | 2015-09-17 | 2016-03-23 | 广东海洋大学 | Domestic refrigerator with function is retrieved to cold volume |
| CN205192083U (en) * | 2015-11-24 | 2016-04-27 | 徐州安高电气有限公司 | Freezer system based on wireless control |
| CN107014150A (en) * | 2017-04-20 | 2017-08-04 | 南京师范大学 | One kind picks up by oneself freezing and refrigeration cabinet group group control system |
| CN207050312U (en) * | 2017-07-14 | 2018-02-27 | 北京天云动力科技有限公司 | A kind of refrigeration station of data center robot control system(RCS) with redundant manipulator |
| CN109140684A (en) * | 2018-08-21 | 2019-01-04 | 珠海格力电器股份有限公司 | Air-conditioning and its communication fault detection method, device and storage medium |
| CN110530094A (en) * | 2019-10-08 | 2019-12-03 | 珠海格力电器股份有限公司 | Freezer and its defrosting control method |
| CN210346055U (en) * | 2019-06-28 | 2020-04-17 | 广州市广谷制冷设备有限公司 | Remote control type refrigeration house system with multiple refrigeration units |
| CN111059839A (en) * | 2019-12-27 | 2020-04-24 | 青岛海尔智能技术研发有限公司 | Control method for refrigerating and freezing device and refrigerating and freezing device |
| CN111336767A (en) * | 2020-03-03 | 2020-06-26 | 逸励实业(上海)有限公司 | Remote control and data acquisition system and method for refrigeration house system |
-
2020
- 2020-06-01 CN CN202010484738.5A patent/CN111765714B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202058A (en) * | 1987-03-07 | 1988-09-14 | Cambridge Instr Ltd | Temperature control systems |
| US6185946B1 (en) * | 1999-05-07 | 2001-02-13 | Thomas B. Hartman | System for sequencing chillers in a loop cooling plant and other systems that employ all variable-speed units |
| CN1357717A (en) * | 2000-12-05 | 2002-07-10 | 珠海格力电器股份有限公司 | Remote air conditioner monitoring system |
| US20060123811A1 (en) * | 2004-12-14 | 2006-06-15 | Lg Electronics Inc. | Multi-air conditioner and group-unit control method thereof |
| CN1968126A (en) * | 2005-11-16 | 2007-05-23 | 珠海格力电器股份有限公司 | Method for remote monitoring and group control of central air conditioning unit |
| CN202694121U (en) * | 2011-08-19 | 2013-01-23 | 北京佩尔优科技有限公司 | Data acquisition system for energy storage air conditioner |
| CN103216919A (en) * | 2013-05-09 | 2013-07-24 | 江苏易云科技有限公司 | Air conditioner system based on dynamic environmental control refrigerating efficiency and control method |
| CN205102485U (en) * | 2015-09-17 | 2016-03-23 | 广东海洋大学 | Domestic refrigerator with function is retrieved to cold volume |
| CN205192083U (en) * | 2015-11-24 | 2016-04-27 | 徐州安高电气有限公司 | Freezer system based on wireless control |
| CN107014150A (en) * | 2017-04-20 | 2017-08-04 | 南京师范大学 | One kind picks up by oneself freezing and refrigeration cabinet group group control system |
| CN207050312U (en) * | 2017-07-14 | 2018-02-27 | 北京天云动力科技有限公司 | A kind of refrigeration station of data center robot control system(RCS) with redundant manipulator |
| CN109140684A (en) * | 2018-08-21 | 2019-01-04 | 珠海格力电器股份有限公司 | Air-conditioning and its communication fault detection method, device and storage medium |
| CN210346055U (en) * | 2019-06-28 | 2020-04-17 | 广州市广谷制冷设备有限公司 | Remote control type refrigeration house system with multiple refrigeration units |
| CN110530094A (en) * | 2019-10-08 | 2019-12-03 | 珠海格力电器股份有限公司 | Freezer and its defrosting control method |
| CN111059839A (en) * | 2019-12-27 | 2020-04-24 | 青岛海尔智能技术研发有限公司 | Control method for refrigerating and freezing device and refrigerating and freezing device |
| CN111336767A (en) * | 2020-03-03 | 2020-06-26 | 逸励实业(上海)有限公司 | Remote control and data acquisition system and method for refrigeration house system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111765714B (en) | 2021-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8046627B2 (en) | Server failover control method and apparatus and computer system group | |
| CN108134700B (en) | Method for realizing electric power automation communication data integrity | |
| CN102237681B (en) | Control method and system for power consumption of home appliances and corresponding device | |
| CN211653459U (en) | Intelligent cabinet monitoring mainboard | |
| CN111740877B (en) | Link detection method and system | |
| CN110737203A (en) | Intelligent household appliance management system and method and Bluetooth gateway | |
| CN103200070A (en) | Control terminal and control method thereof | |
| CN105157294A (en) | Control method and system for multi-online intelligent oil returning and multi-online system | |
| CN107463468A (en) | Buffer memory management method and its equipment | |
| CN111765714B (en) | Group control method and device of integrated condensing unit, storage medium and condensing unit | |
| CN110530094A (en) | Freezer and its defrosting control method | |
| CN111526502A (en) | Control method capable of checking state of refrigerator on line and refrigerator | |
| CN113535232B (en) | Heating and ventilation cloud edge coordination system | |
| CN110332676A (en) | A kind of control method of air-conditioner set, device and air-conditioning system | |
| CN109945489A (en) | A kind of online control method for coordinating and system of heat pump system | |
| CN103019263A (en) | Pan-tilt control system and pan-tilt control method for inspection robot of transformer substation | |
| CN104270270B (en) | A kind of middle and high end rack large capacity equipment communication management method | |
| CN109931679A (en) | A kind of more air-conditioning automatic control systems and method of cold passage separation machine room | |
| CN110082138B (en) | Air conditioner experimental system | |
| CN113467955A (en) | Intelligent distribution method and system for data acquisition link of distribution network master station | |
| CN103532728A (en) | Method and device for resetting fault digital signal processor (DSP) chip | |
| CN202709390U (en) | Absorption air-conditioning unit and system | |
| CN111174475A (en) | Condensing unit dual-system closed-loop control method and device and condensing unit | |
| CN105867185B (en) | A kind of remote energy-saving method for controller switching equipment | |
| EP4354035A1 (en) | Air conditioning unit, and remote debugging method therefor and apparatus thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |