CN215412075U - Novel heat supply network intelligent regulation and control system - Google Patents
Novel heat supply network intelligent regulation and control system Download PDFInfo
- Publication number
- CN215412075U CN215412075U CN202121743570.1U CN202121743570U CN215412075U CN 215412075 U CN215412075 U CN 215412075U CN 202121743570 U CN202121743570 U CN 202121743570U CN 215412075 U CN215412075 U CN 215412075U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- heat supply
- module
- heat
- exchange station
- 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.)
- Active
Links
Images
Landscapes
- Control Of Temperature (AREA)
Abstract
The utility model discloses a novel heat supply network intelligent regulation and control system, which belongs to the technical field of heat supply network regulation and control, and comprises a heat supply network regulation and control server, a monitoring industrial personal computer, a heat exchange station PLC (programmable logic controller) and heat exchange stations, wherein the heat exchange station PLC is connected with the heat exchange stations; the heat supply network regulation and control server comprises an outdoor temperature selection module, a heat supply curve module, a night cooling module, a primary network flow control module and a heat exchange station temperature supply parameter setting module. The utility model utilizes a heat supply network regulation and control server to regulate and control the temperature of all heat exchange stations, so that the heat supply temperature of each heat exchange station is uniformly coordinated; the operation of the heat supply network under different working conditions can be adjusted in various ways, and the operation is very flexible.
Description
Technical Field
The utility model relates to the technical field of heat supply network regulation, in particular to a novel heat supply network intelligent regulation and control system.
Background
Due to the development of cities, the heating area is continuously increased, the heating capacity of a heating company is not enough in the heating peak period, and therefore, the heat exchange stations are caused to be in an unbalanced state due to the fact that the distance is far and near, the heating temperature of some heat exchange stations is higher, and the heating temperature of some heat exchange stations is lower.
And because the building is numerous in the city, the local ambient temperature of each heat exchange station is different, and sometimes the difference is still great, if each heat exchange station uses same heating curve heating, the heating temperature difference appears, that is to say, the heating temperature of each heat exchange station in the same region is not uniform.
Disclosure of Invention
In view of the technical deficiencies, the utility model aims to provide a novel heat supply network intelligent regulation and control system, which utilizes a heat supply network regulation and control server to regulate and control the temperature of all heat exchange stations so as to achieve the unified coordination of the heat supply temperature of each heat exchange station.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a novel heat supply network intelligent regulation and control system is characterized by comprising a heat supply network regulation and control server, a monitoring industrial personal computer, a heat exchange station PLC controller and heat exchange stations, wherein the heat exchange station PLC controller is connected with the heat exchange stations;
the heat supply network regulation and control server comprises an outdoor temperature selection module, a heat supply curve module, a night cooling module, a primary network flow control module and a heat exchange station temperature supply parameter setting module, wherein the outdoor temperature selection module is connected with the input end of the heat supply curve module, the input end of the night cooling module is connected with the output end of the heat supply curve module, the input end of the primary network flow control module is connected with the output end of the night cooling module, the input end of the heat exchange station temperature supply parameter setting module is connected with the output end of the primary network flow control module, and the output end of the heat exchange station temperature supply parameter setting module is connected with a plurality of heat exchange station PLC controllers.
The utility model has the advantages that 1, a heat supply network regulation and control server is utilized to regulate and control the temperature of all heat exchange stations, so that the heat supply temperature of each heat exchange station is uniformly coordinated;
2. the operation of the heat supply network under different working conditions can be adjusted in various ways, and the operation is very flexible;
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 block diagram of a novel intelligent regulation and control system for a heat supply network provided by the utility model;
fig. 2 is a schematic block diagram of a heat supply network regulation and control server of the novel heat supply network intelligent regulation and control system provided by the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1-2, a novel heat supply network intelligent regulation and control system comprises a heat supply network regulation and control server, a monitoring industrial personal computer, a heat exchange station PLC controller and heat exchange stations, wherein the heat exchange station PLC controller is connected with the heat exchange stations, the heat supply network regulation and control server is connected with a plurality of heat exchange station PLC controllers through a local area network, and the monitoring industrial personal computer is connected with the plurality of heat exchange station PLC controllers through the local area network;
the heat supply network regulation and control server comprises an outdoor temperature selection module, a heat supply curve module, a night cooling module, a primary network flow control module and a heat exchange station temperature supply parameter setting module, wherein the outdoor temperature selection module is connected with the input end of the heat supply curve module, the input end of the night cooling module is connected with the output end of the heat supply curve module, the input end of the primary network flow control module is connected with the output end of the night cooling module, the input end of the heat exchange station temperature supply parameter setting module is connected with the output end of the primary network flow control module, and the output end of the heat exchange station temperature supply parameter setting module is connected with a plurality of heat exchange station PLC controllers.
The heat supply network regulation and control server regulation and control process comprises the following steps: the method comprises the steps of firstly selecting undisturbed outdoor temperature according to an outdoor temperature selection module, then calculating heat supply temperature through a heat supply curve module, giving next heat supply temperature by combining a night cooling module, readjusting heat supply temperature according to a primary network flow control module, submitting the heat supply temperature to a heat exchange station heat supply parameter setting module, calculating heat supply temperature required by each heat exchange station, and submitting the heat supply temperature to each heat exchange station PLC controller, adjusting pid of each heat exchange station PLC controller according to the heat supply temperature, controlling the opening of a primary network water supply electric valve, and achieving the purpose of adjusting and controlling the water supply temperature of each heat exchange station.
The system has the following working procedures: a water replenishing pump of the heat exchange station replenishes water for the secondary network according to a water replenishing strategy, when the pressure meets the requirement, a circulating pump of the heat exchange station is started to supply heat for the secondary network, meanwhile, a heat supply network regulation and control server controls the heat supply temperature for each heat exchange station according to the heat supply strategy, and a plc controller of each heat exchange station controls a primary network electric valve of the heat exchange station according to the given water supply temperature to supply heat and regulate;
water replenishing strategies of each heat exchange station:
different water replenishing strategies are set according to the size of the heating area of each heat exchange station, and intermittent water replenishing is carried out on the heat exchange stations with small water replenishing amount of the heating area: when the return water pressure of the secondary network is lower than a set value, the heat supply network regulation and control server controls the water supply pump to be started for water supply, and the water supply is stopped when the set upper limit value is reached; to the big heat exchange station of the big water supply of heating area adoption constant pressure moisturizing mode: namely, the pid is used for adjusting to ensure that the return water pressure of the secondary network is constant, and water is continuously supplemented. An emergency water replenishing strategy: and when no water exists in the water replenishing tank of the heat exchange station or the return pressure of the secondary network is too low, the emergency water replenishing valve is opened to replenish water.
And (3) secondary network water supply pressure strategy:
constant-pressure water supply strategy: the circulating pump adjusts pid according to the pressure of the secondary network water supply to ensure the water supply pressure to be constant, and the return water pressure of the secondary network is kept by the water replenishing pump, so that the pressure difference of the supply return water is ensured.
And (3) a differential pressure water supply strategy: namely, the water replenishing pump ensures that the return water pressure of the secondary network is constant according to pid adjustment, the circulating pump adjusts pid according to the pressure difference of the supply and return water of the secondary network, the frequency of the circulating pump is adjusted to be changed continuously, and the supply and return water of the secondary network are ensured to keep constant pressure difference.
And (3) a heat supply centralized regulation and control strategy:
in actual operation, the fact that different heat exchange stations adopt the same heat supply curve for heat supply due to different positions and large local small environment temperature difference is found, and according to the situation, a centralized regulation and control strategy is adopted, namely, a heat supply network regulation and control server is used for carrying out temperature regulation and control on all the heat exchange stations, so that the heat supply temperature of each heat exchange station is uniformly coordinated.
Constant temperature heating strategy:
according to the set heat supply temperature, the heat supply network regulation and control server sets the temperature of all the heat exchange stations, and each heat exchange station adjusts pid of the primary network electric valve according to the set temperature, so that the heat supply temperature is constant.
And (3) a heat supply curve adjusting strategy:
the heat supply network regulation and control server reads the outdoor temperature of one heat exchange station, automatically calculates the heat supply temperature according to the set temperature curve, and sends the heat supply temperature to each heat exchange station, and fine adjustment can be performed according to the actual heating condition of each heat exchange station in the sending process, namely, heating or cooling is performed on a certain heat exchange station on the basis of the set temperature.
Day regulation:
the day regulation can be operated on the basis of constant temperature and heat supply curve regulation, normal heating is carried out in the daytime, and cooling operation is carried out according to a set value at night.
Quantitative heat supply:
and adjusting the heating temperature of the heat exchange station according to the total heating amount, so that the total heating amount cannot exceed a set value.
And (3) balance adjustment:
when the heating total amount is not enough, the heating temperature of the front-end heat exchange station is normal, the heating temperature of the rear-end heat exchange station is greatly lower than a set value, and then a balance regulation strategy can be started: namely, the overall heating temperature is properly reduced, so that the water consumption of the heat exchange station at the front end is reduced, and the heating temperature of the heat exchange station at the rear end is not too low.
The design of the utility model is based on Siemens S7 series PLC and heat supply network configuration software, and on the basis, the water pump and the electric valve are regulated and controlled according to corresponding strategies, thereby achieving the purpose of intelligently regulating the heat supply network; the system has the functions of constant-pressure water supply, differential-pressure water supply, constant-temperature heat supply, quantitative heat supply, curve adjustment, balanced adjustment, emergency water supplement and the like; the operation of the heat supply network under different working conditions can be adjusted in various ways, and the operation is very flexible; the heat supply curve is optimized according to the actual situation, the adjusting strategy is close to the actual situation, and the operability is strong.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (1)
1. A novel heat supply network intelligent regulation and control system is characterized by comprising a heat supply network regulation and control server, a monitoring industrial personal computer, a heat exchange station PLC controller and heat exchange stations, wherein the heat exchange station PLC controller is connected with the heat exchange stations;
the heat supply network regulation and control server comprises an outdoor temperature selection module, a heat supply curve module, a night cooling module, a primary network flow control module and a heat exchange station temperature supply parameter setting module, wherein the outdoor temperature selection module is connected with the input end of the heat supply curve module, the input end of the night cooling module is connected with the output end of the heat supply curve module, the input end of the primary network flow control module is connected with the output end of the night cooling module, the input end of the heat exchange station temperature supply parameter setting module is connected with the output end of the primary network flow control module, and the output end of the heat exchange station temperature supply parameter setting module is connected with a plurality of heat exchange station PLC controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743570.1U CN215412075U (en) | 2021-07-28 | 2021-07-28 | Novel heat supply network intelligent regulation and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121743570.1U CN215412075U (en) | 2021-07-28 | 2021-07-28 | Novel heat supply network intelligent regulation and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215412075U true CN215412075U (en) | 2022-01-04 |
Family
ID=79654079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121743570.1U Active CN215412075U (en) | 2021-07-28 | 2021-07-28 | Novel heat supply network intelligent regulation and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215412075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446651A (en) * | 2021-07-28 | 2021-09-28 | 王建军 | Novel heat supply network intelligent regulation and control system |
-
2021
- 2021-07-28 CN CN202121743570.1U patent/CN215412075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446651A (en) * | 2021-07-28 | 2021-09-28 | 王建军 | Novel heat supply network intelligent regulation and control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105020845B (en) | A kind of air-conditioning system linkage energy-saving control system and method | |
| CN107276096B (en) | A kind of distribution network voltage control method of photovoltaic and air conditioner load coordination optimization | |
| CN109269021B (en) | Energy-saving operation optimization scheduling method for air conditioning system | |
| CN213577745U (en) | Automatic control system of central heating heat exchange station | |
| CN204786737U (en) | Energy -conserving operation control system in heat supply network initial station | |
| CN215412075U (en) | Novel heat supply network intelligent regulation and control system | |
| CN114484582A (en) | Automatic control system of central heating heat exchange station and design method thereof | |
| CN116149401B (en) | System and method for controlling outlet temperature of heat exchanger of compressed air energy storage power station | |
| CN101761964A (en) | Temperature-changing variable-quantity heating and heat exchange equipment | |
| CN111059030A (en) | Air compressor three-stage cooling system and method based on dynamic independent control of cooling water quantity | |
| CN109405059B (en) | Primary pipe network dynamic load intelligent pressure difference regulating and energy saving regulating and controlling system and regulating and controlling method | |
| CN110056941A (en) | A kind of gas furnace heating project intelligent management control method | |
| CN112815389A (en) | Heat exchange unit operation control method and system | |
| CN210345649U (en) | Intelligent temperature control device capable of independently regulating single temperature | |
| CN113446651A (en) | Novel heat supply network intelligent regulation and control system | |
| CN109974077B (en) | Intelligent hydraulic balance control system device adopting datum point tracking method | |
| CN201327106Y (en) | Variable-temperature-and-quantity heating and heat-exchange device | |
| CN107559946B (en) | Secondary pump controller of heat exchange station | |
| CN214746061U (en) | Heat exchange unit operation control system | |
| CN114396718B (en) | Full-air variable air volume system control method and device, electronic equipment and storage medium | |
| CN111878888B (en) | Control and regulation system and method under plant-level thermoelectric unit combined heat supply mode | |
| CN110848792B (en) | Heat supply secondary network energy-saving optimization control system and control method thereof | |
| CN212108607U (en) | Distributed circulation system based on climate compensation | |
| CN114517930A (en) | Heat supply regulation method and device of heat supply network heat exchange station integrating mechanism and data | |
| CN211737408U (en) | Air compressor tertiary cooling system based on cooling water quantity independent control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |