CN112665144A - Heating and ventilation group control method and system and controller - Google Patents
Heating and ventilation group control method and system and controller Download PDFInfo
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- CN112665144A CN112665144A CN202011448393.4A CN202011448393A CN112665144A CN 112665144 A CN112665144 A CN 112665144A CN 202011448393 A CN202011448393 A CN 202011448393A CN 112665144 A CN112665144 A CN 112665144A
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Abstract
The invention relates to a heating and ventilation group control method, a heating and ventilation group control system and a controller, wherein the heating and ventilation group control method comprises the following steps: acquiring equipment parameter information corresponding to each project; judging whether the equipment is in a fault-free running state or not according to the equipment parameter information; further comprising: fitting an optimal control curve of the equipment according to the acquired equipment parameter information corresponding to each project, and generating an optimal control strategy of the project according to the optimal control curve; and issuing the optimal control strategy to the controller corresponding to each item at regular time. The heating and ventilation group control method solves the problem that the calculation power of the heating and ventilation group control field controller is limited; the problem that the existing group control system cannot update the control strategy according to the actual running condition of the equipment is also solved.
Description
Technical Field
The invention relates to the technical field of water system control, in particular to a heating and ventilation group control method, a heating and ventilation group control system and a controller.
Background
All warm system group control products that lead to in the market at present are all edge control system based on that computer lab equipment was built: the PLC is used for monitoring the running states of the equipment such as the refrigerator, the water pump, the cooling tower and the like, and the machine room is controlled by using a special algorithm carried in the controller according to feedback values of sensors such as temperature, pressure, temperature and humidity sensors, flow meters and the like in the system.
The outside rotating ring system of group control system only monitors the important position of water system equipment, and does not have the authority to control, and the system can't be more through long-range update control strategy, and control system can't optimize to oneself not enough, and intelligent degree is lower.
In addition, the field controller of the edge control system has limited calculation power and cannot bear complex iterative operation required by artificial intelligence. Each project operates independently, large data in each project cannot be managed in a unified mode, and control strategies in the field controller cannot be updated conveniently and rapidly. The storage space of the on-site edge control system equipment is limited, a large amount of data cannot be stored, and valuable operation data are likely to be lost if the on-site edge control system equipment is in a failure shutdown state or a fire disaster occurs.
Disclosure of Invention
In view of the above, the present invention provides a heating and ventilation group control method, a heating and ventilation group control system, and a controller.
In order to achieve the purpose, the invention adopts the following technical scheme: a heating and ventilation group control method comprises the following steps:
acquiring equipment parameter information corresponding to each project;
and judging whether the equipment is in a fault-free running state or not according to the equipment parameter information.
Optionally, the device parameter information includes: equipment operation parameter information and equipment attribute information;
the judging whether the equipment is in a fault-free operation state according to the equipment parameter information comprises the following steps:
determining an operation control curve of the equipment according to the equipment operation parameter information;
acquiring an operation curve model of the equipment according to the equipment attribute information;
and comparing the operation control curve of the equipment with the operation curve model to judge whether the equipment is in a fault-free operation state.
Optionally, the method further includes:
fitting an optimal control curve of the equipment according to the acquired equipment parameter information corresponding to each project, and generating an optimal control strategy of the project according to the optimal control curve;
and issuing the optimal control strategy to the controller corresponding to each item at regular time.
Optionally, the method further includes:
after the controller updates the control strategy, the equipment parameter information corresponding to the item is obtained again;
comparing the equipment parameter information with the equipment parameter information before the control strategy is updated so as to judge whether the overall energy efficiency of the project is improved after the control strategy is updated;
and determining a control strategy according to the judgment result, and issuing the determined control strategy to the controller corresponding to the item in the next period.
Optionally, the method further includes:
and storing the acquired equipment parameter information corresponding to each item.
The invention also provides a heating and ventilation group control method, which comprises the following steps:
acquiring equipment parameter information corresponding to the project;
and sending the equipment parameter information to a server side so that the server side judges whether the equipment is in a fault-free running state or not according to the equipment parameter information, and the server side fits an optimal control curve of the equipment according to the equipment parameter information and generates an optimal control strategy of the project according to the optimal control curve.
Optionally, the method further includes:
receiving an optimal control strategy issued by a server;
and updating the control strategy, and controlling the equipment of the project to operate according to the optimal control strategy.
Optionally, the method further includes:
after the control strategy is updated, the equipment parameter information corresponding to the project is collected again;
and sending the equipment parameter information to a server side so that the server side judges whether the overall energy efficiency of the project is improved or not after the control strategy is updated according to the equipment parameter information.
The invention also provides a controller for executing the heating and ventilation group control method.
The invention also provides a heating and ventilation group control system, which comprises:
the system comprises a plurality of control cabinets arranged at an engineering site end and a server arranged at a network end;
a corresponding controller is arranged in each control cabinet and is electrically connected with corresponding heating and ventilation equipment;
the server and the control cabinet are respectively used for executing corresponding heating and ventilation group control methods.
Optionally, the control cabinet includes: the system comprises a group control cabinet, a chilled water pump control cabinet, a cooling water pump control cabinet and a cooling tower fan control cabinet;
the group control cabinet is electrically connected with the refrigeration water pump control cabinet, the cooling water pump control cabinet and the cooling tower fan control cabinet respectively; the group control cabinet is also in wireless connection with the server through a communication module.
By adopting the technical scheme, the heating and ventilation group control method comprises the following steps: acquiring equipment parameter information corresponding to each project; judging whether the equipment is in a fault-free running state or not according to the equipment parameter information; further comprising: fitting an optimal control curve of the equipment according to the acquired equipment parameter information corresponding to each project, and generating an optimal control strategy of the project according to the optimal control curve; and issuing the optimal control strategy to the controller corresponding to each item at regular time. The heating and ventilation group control method solves the problem that the calculation power of the heating and ventilation group control field controller is limited; the problem that the existing group control system cannot update the control strategy according to the actual running condition of the equipment is also solved.
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 described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an embodiment of a heating and ventilation group control method according to the present invention;
fig. 2 is a schematic flow chart of a heating and ventilation group control method according to a second embodiment of the present invention;
fig. 3 is a schematic flow chart of a heating and ventilation group control method according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram provided in an embodiment of a heating and ventilation group control system according to the present invention;
fig. 5 is a schematic structural diagram provided by a second embodiment of the heating and ventilation group control system of the present invention.
In the figure: 1. a control cabinet; 11. a controller; 12. heating and ventilation equipment; 121. a first heating and ventilating device; 122. a second heating and ventilation device; 123. a third heating and ventilating device; 124. a fourth heating and ventilating device; 2. a server; 3. a group control cabinet; 4. a chilled water pump control cabinet; 5. a cooling water pump control cabinet; 6. cooling tower fan switch board.
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 described in detail below. 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 examples given herein without any inventive step, are within the scope of the present invention.
Fig. 1 is a schematic flow chart of a heating and ventilation group control method according to an embodiment of the present invention.
As shown in fig. 1, a heating and ventilation group control method according to this embodiment includes:
s11: acquiring equipment parameter information corresponding to each project;
further, the device parameter information includes: equipment operation parameter information and equipment attribute information;
s12: and judging whether the equipment is in a fault-free running state or not according to the equipment parameter information.
Further, the determining whether the device is in a fault-free operation state according to the device parameter information includes:
determining an operation control curve of the equipment according to the equipment operation parameter information;
acquiring an operation curve model of the equipment according to the equipment attribute information;
and comparing the operation control curve of the equipment with the operation curve model to judge whether the equipment is in a fault-free operation state.
The heating and ventilation group control method can judge the current running state of the equipment according to the equipment parameter information, and is convenient for further controlling the equipment in the later period when judging that the equipment is in a fault-free running state; and when the equipment is judged to be in the fault operation state, reporting in time to prompt related maintenance personnel to process.
Fig. 2 is a schematic flow chart of a heating and ventilation group control method according to a second embodiment of the present invention.
As shown in fig. 2, the heating and ventilation group control method according to this embodiment includes:
s21: acquiring equipment parameter information corresponding to each project;
s22: judging whether the equipment is in a fault-free running state or not according to the equipment parameter information;
s23: fitting an optimal control curve of the equipment according to the acquired equipment parameter information corresponding to each project, and generating an optimal control strategy of the project according to the optimal control curve;
s24: the optimal control strategy is issued to the controller corresponding to each project at regular time;
s25: after the controller updates the control strategy, the equipment parameter information corresponding to the item is obtained again;
s26: comparing the equipment parameter information with the equipment parameter information before the control strategy is updated so as to judge whether the overall energy efficiency of the project is improved after the control strategy is updated;
s27: and determining a control strategy according to the judgment result, and issuing the determined control strategy to the controller corresponding to the item in the next period.
The heating and ventilation group control method can be applied to a server side in actual use, the server side obtains equipment parameter information acquired by an engineering field side, and whether the equipment is in a fault-free operation state or not is judged according to the equipment parameter information; when the equipment is in a fault-free running state, the server side fits an optimal control curve of the equipment according to the acquired equipment parameter information corresponding to each project, and generates an optimal control strategy of the project according to the optimal control curve; and then the optimal control strategy is issued to the controller of the engineering site corresponding to each project at regular time.
And after the controller updates the control strategy, executing a new control algorithm logic, synchronously acquiring real-time operation parameter data of each device, and transmitting the data to the server side. After receiving the data, the server compares the equipment parameter information with the equipment parameter information before updating the control strategy so as to judge whether the overall energy efficiency of the project is improved after updating the control strategy; and determining a control strategy according to the judgment result, and issuing the determined control strategy to the controller corresponding to the item in the next period. The above steps are repeated in a circulating way, so that the interaction between the network server side and the engineering field side controller is realized, and the optimization iteration of the control strategy is realized.
It should be noted that the server side backs up the acquired device parameter information corresponding to each project in a hard disk of the server side, so that data sent on the engineering site is effectively protected.
The heating and ventilation group control method solves the problem that the calculation force of a heating and ventilation group control field controller is limited; the problem that the existing group control system cannot update the control strategy according to the actual running condition of the equipment is also solved; the backup of the equipment operation parameter data at the server side is realized, and an operation energy efficiency report can be generated according to the equipment operation parameters.
Fig. 3 is a schematic flow chart of a heating and ventilation group control method according to a third embodiment of the present invention.
As shown in fig. 3, the heating and ventilation group control method according to this embodiment includes:
s31: acquiring equipment parameter information corresponding to the project;
s32: sending the equipment parameter information to a server side so that the server side judges whether the equipment is in a fault-free running state or not according to the equipment parameter information, fitting an optimal control curve of the equipment by the server side according to the equipment parameter information, and generating an optimal control strategy of the project according to the optimal control curve;
s33: receiving an optimal control strategy issued by a server;
s34: and updating the control strategy, and controlling the equipment of the project to operate according to the optimal control strategy.
It should be noted that, the heating and ventilation group control method may further include:
after the control strategy is updated, the equipment parameter information corresponding to the project is collected again;
and sending the equipment parameter information to a server side so that the server side judges whether the overall energy efficiency of the project is improved or not after the control strategy is updated according to the equipment parameter information.
The heating and ventilation group control method described in this embodiment may be applied to a controller of an engineering site, where the controller of the engineering site acquires device parameter information corresponding to a project and sends the device parameter information to a server, so that the server determines whether the device is in a fault-free operation state according to the device parameter information, and fits an optimal control curve of the device according to the device parameter information, and generates an optimal control strategy basis of the project according to the optimal control curve. The controller of the engineering site end receives an optimal control strategy issued by the server end; updating a control strategy, controlling the equipment of the project to operate according to the optimal control strategy, and re-collecting equipment parameter information corresponding to the project; and sending the equipment parameter information to a server so that the server judges whether the overall energy efficiency of the project is improved or not after the control strategy is updated according to the equipment parameter information, the server also re-determines an optimal control strategy according to a judgment result and sends the optimal control strategy to a controller corresponding to the project in the next period, and after the controller updates the control strategy, the controller executes new control algorithm logic, synchronously acquires real-time operation parameter data of each equipment and uploads the data to the server. The above steps are repeated in a circulating way, so that the interaction between the network server side and the engineering field side controller is realized, and the optimization iteration of the control strategy is realized.
The heating and ventilation group control method solves the problem that the calculation capacity of a controller on a heating and ventilation group control engineering site is limited, can realize the automatic updating and optimizing control strategy of the project, and is favorable for improving the overall energy efficiency of the heating and ventilation system.
The invention also provides a controller for executing the heating and ventilation group control method in any one of the figures 1 to 3.
Fig. 4 is a schematic structural diagram provided in an embodiment of a heating and ventilation group control system according to the present invention.
As shown in fig. 4, the heating and ventilation group control system according to this embodiment includes:
the system comprises a plurality of control cabinets 1 arranged at an engineering site end and a server 2 arranged at a network end;
a corresponding controller 11 is arranged in each control cabinet 1, and the controller 11 is electrically connected with corresponding heating and ventilation equipment 12;
the server 2 is used for executing the heating and ventilation group control method described in fig. 1 or fig. 2;
the control cabinet 1 is used for executing the heating and ventilation group control method shown in fig. 3.
The working principle of the heating and ventilation group control system in this embodiment is the same as that of the heating and ventilation group control method in any embodiment of fig. 1 to 3, and is not described herein again.
Fig. 5 is a schematic structural diagram provided by a second embodiment of the heating and ventilation group control system of the present invention.
As shown in fig. 5, the heating and ventilation group control system according to this embodiment includes:
the system comprises a plurality of control cabinets 1 arranged at an engineering site end and a server 2 arranged at a network end;
a corresponding controller 11 is arranged in each control cabinet 1, and the controller 11 is electrically connected with corresponding heating and ventilation equipment 12;
the control cabinet 1 includes: a group control cabinet 3, a chilled water pump control cabinet 4, a cooling water pump control cabinet 5 and a cooling tower fan control cabinet 6;
the group control cabinet 3 is respectively and electrically connected with the freezing water pump control cabinet 4, the cooling water pump control cabinet 5 and the cooling tower fan control cabinet 6; the group control cabinet 3 is also in wireless connection with the server 2 through a communication module.
The heating and ventilation group control system described in this embodiment is divided into an engineering site end and a network end, wherein the engineering site end includes a plurality of control cabinets 1, and a controller 11 is provided in each control cabinet 1, and is configured to collect an operation parameter of the device in real time, and perform site control on the heating and ventilation device 12 according to a built-in control logic. Meanwhile, data acquired in the project operation is uploaded to the server 2 of the network end through a 5G network or field-level WiFi through a communication module.
Further, the communication module may be a 5G network communication module, a wifi module, or other communication modules.
Be equipped with first controller 11 in the group accuse cabinet 3, with the heating equipment that corresponds of first controller 11 is first heating equipment 121, first heating equipment 121 includes: the system comprises a differential pressure bypass valve, a water collector pressure sensor, a water distributor pressure sensor, a freezing side water supply temperature sensor, a freezing side water return temperature sensor, a cooling side water supply temperature sensor, a cooling side water return temperature sensor, a temperature and humidity sensor, a plurality of water chilling units and a unit electric energy cabinet.
Be equipped with the second controller 11 in the freezing water pump control cabinet 4, with the heating and ventilation equipment 12 that the second controller 11 corresponds is the second heating and ventilation equipment 122, the second heating and ventilation equipment 122 includes: the system comprises a freezing water pump, a machine set freezing side butterfly valve, a freezing side water treatment instrument and a plurality of freezing pump electric energy meters.
A third controller 11 is arranged in the cooling water pump control cabinet 5, the heating and ventilation device 12 corresponding to the third controller 11 is a third heating and ventilation device 123, and the third heating and ventilation device 123 includes: the system comprises a freezing water pump, a machine set freezing side butterfly valve, a freezing side water treatment instrument and a plurality of cooling pump electric energy meters.
Be equipped with fourth controller 11 in the cooling tower fan switch board 6, with the warm equipment of leading to 12 that fourth controller 11 corresponds is the warm equipment of leading to 124 of fourth, the warm equipment of leading to 124 of fourth includes: the cooling tower comprises a cooling tower fan, a cooling tower water inlet butterfly valve, a cooling tower water outlet butterfly valve, a constant-pressure exhaust water supplementing device and a plurality of cooling tower extension electric energy meters.
The heating and ventilation group control system described in this embodiment collects the device parameter information of each project operation by using the server 2, generates the optimal control strategy of each project by combining with the intelligent algorithm, and periodically issues the optimal control strategy to the controller 11 at the engineering site end for implementation, thereby implementing the automatic update optimization control strategy of the project.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (11)
1. A heating and ventilation group control method is characterized by comprising the following steps:
acquiring equipment parameter information corresponding to each project;
and judging whether the equipment is in a fault-free running state or not according to the equipment parameter information.
2. The heating and ventilation group control method according to claim 1, wherein the device parameter information comprises: equipment operation parameter information and equipment attribute information;
the judging whether the equipment is in a fault-free operation state according to the equipment parameter information comprises the following steps:
determining an operation control curve of the equipment according to the equipment operation parameter information;
acquiring an operation curve model of the equipment according to the equipment attribute information;
and comparing the operation control curve of the equipment with the operation curve model to judge whether the equipment is in a fault-free operation state.
3. The heating and ventilation group control method according to claim 1, further comprising:
fitting an optimal control curve of the equipment according to the acquired equipment parameter information corresponding to each project, and generating an optimal control strategy of the project according to the optimal control curve;
and issuing the optimal control strategy to the controller corresponding to each item at regular time.
4. The heating and ventilation group control method according to claim 3, further comprising:
after the controller updates the control strategy, the equipment parameter information corresponding to the item is obtained again;
comparing the equipment parameter information with the equipment parameter information before the control strategy is updated so as to judge whether the overall energy efficiency of the project is improved after the control strategy is updated;
and determining a control strategy according to the judgment result, and issuing the determined control strategy to the controller corresponding to the item in the next period.
5. The heating and ventilation group control method according to any one of claims 1 to 4, further comprising:
and storing the acquired equipment parameter information corresponding to each item.
6. A heating and ventilation group control method is characterized by comprising the following steps:
acquiring equipment parameter information corresponding to the project;
and sending the equipment parameter information to a server side so that the server side judges whether the equipment is in a fault-free running state or not according to the equipment parameter information, and the server side fits an optimal control curve of the equipment according to the equipment parameter information and generates an optimal control strategy of the project according to the optimal control curve.
7. The heating and ventilation group control method according to claim 6, further comprising:
receiving an optimal control strategy issued by a server;
and updating the control strategy, and controlling the equipment of the project to operate according to the optimal control strategy.
8. The heating and ventilation group control method according to claim 7, further comprising:
after the control strategy is updated, the equipment parameter information corresponding to the project is collected again;
and sending the equipment parameter information to a server side so that the server side judges whether the overall energy efficiency of the project is improved or not after the control strategy is updated according to the equipment parameter information.
9. A controller for performing the heating and ventilation group control method according to any one of claims 1 to 8.
10. A heating and ventilation group control system is characterized by comprising:
the system comprises a plurality of control cabinets arranged at an engineering site end and a server arranged at a network end;
a corresponding controller is arranged in each control cabinet and is electrically connected with corresponding heating and ventilation equipment;
the server is used for executing the heating and ventilation group control method of any one of claims 1 to 5;
the control cabinet is used for executing the heating and ventilation group control method of any one of claims 6 to 8.
11. The heating and ventilation group control system according to claim 10,
the control cabinet includes: the system comprises a group control cabinet, a chilled water pump control cabinet, a cooling water pump control cabinet and a cooling tower fan control cabinet;
the group control cabinet is electrically connected with the refrigeration water pump control cabinet, the cooling water pump control cabinet and the cooling tower fan control cabinet respectively; the group control cabinet is also in wireless connection with the server through a communication module.
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| CN202011448393.4A CN112665144A (en) | 2020-12-11 | 2020-12-11 | Heating and ventilation group control method and system and controller |
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| CN202011448393.4A CN112665144A (en) | 2020-12-11 | 2020-12-11 | Heating and ventilation group control method and system and controller |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1114105A (en) * | 1997-06-18 | 1999-01-22 | Arumo:Kk | Cold water heat storage tank |
| CN104134100A (en) * | 2014-07-22 | 2014-11-05 | 香港佳能通节能科技有限公司 | Energy-saving management system based on cloud computing |
| CN109595763A (en) * | 2018-12-21 | 2019-04-09 | 珠海格力电器股份有限公司 | The control strategy optimization method, apparatus and computer equipment of air-conditioning system |
-
2020
- 2020-12-11 CN CN202011448393.4A patent/CN112665144A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1114105A (en) * | 1997-06-18 | 1999-01-22 | Arumo:Kk | Cold water heat storage tank |
| CN104134100A (en) * | 2014-07-22 | 2014-11-05 | 香港佳能通节能科技有限公司 | Energy-saving management system based on cloud computing |
| CN109595763A (en) * | 2018-12-21 | 2019-04-09 | 珠海格力电器股份有限公司 | The control strategy optimization method, apparatus and computer equipment of air-conditioning system |
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Application publication date: 20210416 |