阅读说明：本技术 空气源热泵站电网调度调峰系统 (Power grid dispatching and peak-shaving system of air source heat pump station ) 是由 王洪伟 刘萌 高嵩 于 2021-08-11 设计创作，主要内容包括：本发明公开了一种空气源热泵站电网调度调峰系统,通过对建筑物热量负荷需求预测、气象信息、用户室内温度实时数据以及当地峰谷平电价情况,以一定的时间间隔进行负荷的运算,同时要依据每台空气源热泵在该时刻气象条件下制热能力等数据,来控制运行热泵台数,同时依据热泵安装位置及每台热泵累计运行时间等数据,自动间歇位置启停,稳定机组运行寿命,同时减少相邻机组运行产生的冷岛效应,无需人工调控,同时能够保持整个供暖季的温度恒定,减少浪费节省了成本的同时又提高了用户的舒适性,减少企业与用户的矛盾。(The invention discloses a power grid dispatching and peak-shaving system of an air source heat pump station, which carries out load operation at a certain time interval by predicting the heat load demand of a building, meteorological information, real-time data of the indoor temperature of a user and the condition of the average electricity price of a local peak valley, controls the number of heat pumps in operation according to the data of the heating capacity and the like of each air source heat pump under the meteorological condition at the moment, automatically stops and stops at intermittent positions according to the data of the installation position of the heat pumps, the accumulated operation time and the like of each heat pump, stabilizes the operation life of the unit, reduces the cold island effect generated by the operation of adjacent units, does not need manual regulation and control, can keep the temperature of the whole heating season constant, reduces waste, saves the cost, improves the comfort of the user and reduces the contradiction between enterprises and users.)

1. The air source heat pump station power grid dispatching and peak shaving system is characterized by comprising a state network peak shaving module and a plurality of heat pump stations, wherein each heat pump station is provided with a plurality of heat pumps, each heat pump is used for generating heat and supplying heat by using an air source, each heat pump station is also correspondingly provided with a core control module and an environment acquisition module, and the core control module is in communication connection with the state network peak shaving module;

the environment acquisition module is used for acquiring peak regulation reference information and sending the peak regulation reference information to the national grid peak regulation module, the peak regulation reference information is used for representing relevant environments and medium variables influencing the heat supply effect, and the peak regulation reference information comprises target temperature information, meteorological environment information and heat supply medium information;

the national grid peak regulation module is used for receiving the peak regulation reference information, carrying out simulation operation on the peak regulation reference information through a preset meteorological heating model, generating a heat pump station regulation signal, and outputting the heat pump station regulation signal to the core control module, wherein the heat pump station regulation signal is used for representing the heat supply requirement condition of the heat pump station;

the core control module is used for receiving the heat pump station regulation and control signal, generating a heat pump control signal according to the heat pump station regulation and control signal, and respectively outputting the heat pump control signal to the plurality of heat pumps;

the heat pump is used for receiving a heat pump control signal and responding to the heat pump control signal, and the heat pump control signal is used for controlling the on or off of the heat pump.

2. The air source heat pump station power grid dispatching peak shaving system of claim 1, wherein the environment acquisition module specifically comprises:

the system comprises a distributed acquisition unit, a heat supply unit and a control unit, wherein the distributed acquisition unit is used for acquiring target temperature information of a heat supply target point, and the target temperature information is used for representing the temperature condition of the environment where a user is located;

the fixed point acquisition unit is used for acquiring meteorological environment information and heat supply medium information, the fixed point acquisition unit is arranged corresponding to the heat pump station, the fixed point acquisition unit is in communication connection with the core control module, the meteorological environment information is used for representing the meteorological environment condition in the heat supply area of the heat pump station, and the heat supply medium information is used for representing the medium state information of the heat supply medium used by the heat pump station.

3. The air-source heat pump station power grid dispatching peak shaving system of claim 2, wherein the meteorological environment information specifically comprises ambient air pressure information, ambient humidity information, and ambient temperature information;

the heat supply medium information comprises return water temperature, water pressure flow and medium data, and the medium data are used for representing the heat storage performance of the heat supply medium.

4. The air source heat pump station power grid dispatching peak shaver system of claim 3, wherein said environment acquisition module further comprises a weather prediction unit for obtaining weather prediction information and transmitting said weather prediction information to a national grid peak shaver module, said weather prediction information being used to characterize weather conditions in the heat pump station heat supply area over the next several hours.

5. The air source heat pump station power grid dispatching peak shaving system of claim 2, further comprising a cloud server, the cloud server in communication with the national grid peak shaving module, the cloud server in communication with the decentralized acquisition unit;

and the cloud server is used for receiving the target temperature information and transmitting the target temperature information to the national network peak regulation module.

6. The air source heat pump station power grid dispatching peak shaving system of claim 1, further comprising an edge computing module, wherein the edge computing module is disposed corresponding to the heat pump station, and the edge computing module is in communication with the core control module and is configured to analyze and process the meteorological environment information and the heat supply medium information to reduce a data processing amount of the national grid peak shaving module.

7. The air source heat pump station power grid dispatching peak shaving system of claim 6, wherein each heat pump station is provided with a plurality of edge calculation modules and a core control module, wherein the edge control modules are in one-to-one correspondence with the core control modules, and wherein each core control module is in communication with the heat pump.

Technical Field

The invention relates to the field related to operation and maintenance of air source heat pumps, in particular to a power grid dispatching and peak shaving system of an air source heat pump station.

Background

With the change of national development strategies in recent years, environmental protection and low-carbon energy conservation gradually become the mainstream direction of development, so that the traditional carbon heating mode is gradually replaced by a new air source heat pump heating mode, and the air source heat pump heating mode has a better energy storage function and is more environment-friendly and green compared with the traditional carbon heating mode.

In the prior art, each enterprise mostly adopts a mode of presetting a backwater temperature threshold value for starting and stopping the machine for an air source heat pump scheduling mode or a mode of manually and directly adjusting according to a preset time period, and partial enterprises with higher intelligent data management centers carry out manual regulation and control in a remote acquisition feedback mode.

Traditional scheduling mode still has more problem, for example the indoor temperature that the heating caused can be neglected high and suddenly low, is difficult to stably keep indoor heating temperature to lead to the user comfort level to reduce, so the conflict takes place easily between user and the enterprise for a long time, is unfavorable for the permanent development of enterprise, and excessive heating also can cause the waste of the energy simultaneously.

Disclosure of Invention

The invention aims to provide a power grid dispatching and peak-shaving system of an air source heat pump station, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an air source heat pump station power grid dispatching peak shaving system comprises a state network peak shaving module and a plurality of heat pump stations, wherein each heat pump station is provided with a plurality of heat pumps, each heat pump is used for generating heat and supplying heat by using an air source, each heat pump station is also correspondingly provided with a core control module and an environment acquisition module, and the core control module is in communication connection with the state network peak shaving module;

the environment acquisition module is used for acquiring peak regulation reference information and sending the peak regulation reference information to the national grid peak regulation module, the peak regulation reference information is used for representing relevant environments and medium variables influencing the heat supply effect, and the peak regulation reference information comprises target temperature information, meteorological environment information and heat supply medium information;

the national grid peak regulation module is used for receiving the peak regulation reference information, carrying out simulation operation on the peak regulation reference information through a preset meteorological heating model, generating a heat pump station regulation signal, and outputting the heat pump station regulation signal to the core control module, wherein the heat pump station regulation signal is used for representing the heat supply requirement condition of the heat pump station;

the core control module is used for receiving the heat pump station regulation and control signal, generating a heat pump control signal according to the heat pump station regulation and control signal, and respectively outputting the heat pump control signal to the plurality of heat pumps;

the heat pump is used for receiving a heat pump control signal and responding to the heat pump control signal, and the heat pump control signal is used for controlling the on or off of the heat pump.

As a further scheme of the invention: the environment acquisition module specifically comprises:

the system comprises a distributed acquisition unit, a heat supply unit and a control unit, wherein the distributed acquisition unit is used for acquiring target temperature information of a heat supply target point, and the target temperature information is used for representing the temperature condition of the environment where a user is located;

the fixed point acquisition unit is used for acquiring meteorological environment information and heat supply medium information, the fixed point acquisition unit is arranged corresponding to the heat pump station, the fixed point acquisition unit is in communication connection with the core control module, the meteorological environment information is used for representing the meteorological environment condition in the heat supply area of the heat pump station, and the heat supply medium information is used for representing the medium state information of the heat supply medium used by the heat pump station.

As a further scheme of the invention: the meteorological environment information specifically comprises environmental air pressure information, environmental humidity information and environmental temperature information;

the heat supply medium information comprises return water temperature, water pressure flow and medium data, and the medium data are used for representing the heat storage performance of the heat supply medium.

As a further scheme of the invention: the environment acquisition module further comprises a weather prediction unit, the weather prediction unit is used for acquiring weather prediction information and transmitting the weather prediction information to the national grid peak regulation module, and the weather prediction information is used for representing the weather environment condition in the heat pump station heat supply area within hours in the future.

As a further scheme of the invention: the cloud server is in communication connection with the national network peak regulation module and is in communication connection with the dispersed acquisition unit;

and the cloud server is used for receiving the target temperature information and transmitting the target temperature information to the national network peak regulation module.

As a further scheme of the invention: the heat pump station comprises a heat pump station, and is characterized by further comprising an edge computing module, wherein the edge computing module is arranged corresponding to the heat pump station and is in communication connection with the core control module, and the edge computing module is used for analyzing and processing the meteorological environment information and the heat supply medium information so as to reduce the data processing capacity of the national grid peak regulation module.

As a further scheme of the invention: each heat pump station is provided with a plurality of edge computing modules and core control modules, the edge control modules correspond to the core control modules one to one, and each core control module is in communication connection with the heat pump.

Compared with the prior art, the invention has the beneficial effects that: load calculation is carried out at a certain time interval through forecasting building heat load demand, meteorological information, real-time user indoor temperature data and the situation of local peak valley flat electricity price, the number of operating heat pumps is controlled according to data such as heating capacity of each air source heat pump under the meteorological condition at the moment, the starting and stopping of an automatic intermittent position are carried out according to data such as the installation position of the heat pumps and the accumulated operating time of each heat pump, the operating service life of a unit is stabilized, the cold island effect generated by the operation of adjacent units is reduced, manual regulation and control are not needed, meanwhile, the temperature constancy of the whole heating season can be kept, waste is reduced, cost is saved, the comfort of users is improved, and contradiction between enterprises and users is reduced.

Drawings

FIG. 1 is a schematic diagram of an air source heat pump station power grid dispatching peak shaving system.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description of specific embodiments of the present invention is provided in connection with specific embodiments.

As shown in fig. 1, an air source heat pump station power grid dispatching peak shaving system provided in an embodiment of the present invention includes a national grid peak shaving module and a plurality of heat pump stations, each of the heat pump stations is provided with a plurality of heat pumps, the heat pumps are configured to generate heat and supply heat by using an air source, each of the heat pump stations is further provided with a core control module and an environment collection module, and the core control module is in communication connection with the national grid peak shaving module.

In the embodiment, the peak regulation system carries out load calculation at a certain time interval by predicting the heat load demand of the building, meteorological information, real-time indoor temperature data of a user and the electricity price situation of the local peak valley, meanwhile, the number of the heat pumps is controlled according to the data of the heating capacity (the characteristics of the air source heat pumps, different environmental temperatures, different water outlet temperatures and large heating capacity variation) of each air source heat pump under the meteorological conditions at the moment, meanwhile, the system can automatically start and stop at intermittent positions according to the data of the installation position of the heat pump, the accumulated running time of each heat pump and the like, stabilize the running life of the unit, meanwhile, the cold island effect generated by the operation of adjacent units is reduced, manual regulation is not needed, the temperature of the whole heating season can be kept constant, the waste is reduced, the cost is saved, the comfort of a user is improved, and the contradiction between enterprises and users is reduced.

The environment acquisition module is used for acquiring peak regulation reference information and sending the peak regulation reference information to the national grid peak regulation module, the peak regulation reference information is used for representing relevant environments and medium variables influencing heat supply effects, and the peak regulation reference information comprises target temperature information, meteorological environment information and heat supply medium information.

In this embodiment, the environment collection module is a module that collects the indoor temperature (i.e., target temperature information) of the user, the weather information (i.e., weather environment information), and the medium information (i.e., heating medium information), and these data will be used as the basis for generating the final control mode for the simulation calculation.

The state network peak regulation module is used for receiving the peak regulation reference information, carrying out simulation operation on the peak regulation reference information through a preset meteorological heating model, generating a heat pump station regulation signal, and outputting the heat pump station regulation signal to the core control module, wherein the heat pump station regulation signal is used for representing the heat supply requirement condition of the heat pump station.

In this embodiment, the national grid peak regulation module is configured to receive peak regulation reference information of each heat pump station, generate a heat pump station regulation signal according to the peak regulation reference information through simulation analysis and operation, and output the heat pump station regulation signal to each heat pump station for regulating and controlling the heat pump, where the meteorological heating model is a historical learning model that is generated according to historical heating data and meteorological data analysis and is used for generating an optimal regulation and control scheme according to the peak regulation reference information.

The core control module is used for receiving the heat pump station regulation and control signal, generating a heat pump control signal according to the heat pump station regulation and control signal, and respectively outputting the heat pump control signal to the plurality of heat pumps.

In this embodiment, the core control module is a terminal control device that is provided in each heat pump station and used for analyzing the heat pump station control signal and then performing call control on the plurality of heat pumps of the heat pump station according to the analysis result.

The heat pump is used for receiving a heat pump control signal and responding to the heat pump control signal, and the heat pump control signal is used for controlling the on or off of the heat pump.

In this embodiment, the heat pump is an air source heat conversion device for supplying heat, and the purpose of regulating output heat supply is achieved by performing actions such as starting and closing power regulation and the like in response to a heat pump control signal of the core control module.

As another preferred embodiment of the present invention, the environment acquisition module specifically includes:

and the distributed acquisition unit is used for acquiring target temperature information of the heat supply target point, and the target temperature information is used for representing the temperature condition of the environment where the user is located.

In this embodiment, the distributed collection unit can be for the temperature sensor group that distributes the setting, and the user's family that this heat pump station heating was used promptly to the heat supply target point, and target temperature information is the temperature information of this user's family promptly, carries out real-time monitoring and control through the temperature information to user's family to reach the purpose of better promotion user experience.

The fixed point acquisition unit is used for acquiring meteorological environment information and heat supply medium information, the fixed point acquisition unit is arranged corresponding to the heat pump station, the fixed point acquisition unit is in communication connection with the core control module, the meteorological environment information is used for representing the meteorological environment condition in the heat supply area of the heat pump station, and the heat supply medium information is used for representing the medium state information of the heat supply medium used by the heat pump station.

In this embodiment, the meteorological environment information has a certain influence on heat supply to some extent, for example, the atmospheric pressure of the environment has an influence on the heat storage capacity of the heat supply medium and the conversion efficiency of the heat pump, and therefore, the meteorological environment information and the heat pump are considered together.

As another preferred embodiment of the present invention, the weather environment information specifically includes ambient air pressure information, ambient humidity information, and ambient temperature information.

The heat supply medium information comprises return water temperature, water pressure flow and medium data, and the medium data are used for representing the heat storage performance of the heat supply medium.

In this embodiment, a detailed explanation is given of meteorological environment information and heat supply medium information, where environmental pressure information, environmental humidity information, and environmental temperature information are all direct parameters that affect heat supply performance, the environmental temperature and the environmental humidity directly affect heat loss during heat supply, the environmental pressure directly affects parameters that affect heat storage performance, such as specific heat capacity of the medium, and further affects heat supply efficiency, and meanwhile, the meteorological environment information also affects heat conversion efficiency of the heat pump.

As another preferred embodiment of the present invention, the environment acquisition module further includes a weather prediction unit, the weather prediction unit is configured to obtain weather prediction information and transmit the weather prediction information to the national grid peak regulation module, and the weather prediction information is configured to characterize weather environment conditions in the heat pump station heat supply area within several hours in the future.

In this embodiment, the weather prediction unit is connected to the national weather system, and is configured to obtain weather information (i.e., weather prediction information) of the area 2 to 5 hours in the future through the national weather system, and transmit the weather information as one of the bases to the national grid peak regulation module for intelligent calculation, and finally serve as one of the reference bases for controlling the heat pump scheme.

As another preferred embodiment of the present invention, the system further comprises a cloud server, wherein the cloud server is in communication connection with the national grid peak regulation module, and the cloud server is in communication connection with the decentralized acquisition unit.

And the cloud server is used for receiving the target temperature information and transmitting the target temperature information to the national network peak regulation module.

In this embodiment, since the distributed collection units for collecting the target temperature information are distributed in different homes of users, the arrangement is very distributed, when the data acquisition is carried out, the data acquisition is difficult to directly carry out communication connection with the national network peak regulation module to realize data exchange, therefore, the data recovery work is carried out by using the cloud server, the distributed acquisition units can be connected to the cloud server through wireless networks such as WIFI used in the user home by building the cloud server, then carry information transfer to the national network peak regulation module as middle passer through the cloud ware, the benefit of setting up like this still including can improving the security, avoids the equipment of too disorder dispersion directly to carry out data transmission to the national network peak regulation module, can effectual protection national network peak regulation module's security, reduces the risk of being attacked.

As another preferred embodiment of the present invention, the heat pump system further includes an edge calculation module, the edge calculation module is disposed corresponding to the heat pump station, and the edge calculation module is connected to the core control module in a communication manner, and is configured to analyze and process the meteorological environment information and the heat supply medium information, so as to reduce a data processing amount of the national grid peak regulation module.

In this embodiment, the edge computing module is a real energy industry edge computing terminal product with high reliability, stability, high speed and high flexibility for energy management, an industrial system server frame is adopted, a server-level LINX system is carried, high-speed operation and transmission capability are stable and safe, a multi-mode data processing module capable of covering a whole network is adopted, 9 frequency bands of LTE TDD except for 4GLTE FDD 22 frequency bands full support (15-16) reservation are provided, the label is 33-41, and domestic LTE is divided into four frequency bands at present: the frequency ranges of the A frequency band, the D frequency band, the E frequency band and the F frequency band are 2010 MHz-2025 MHz, 1880 MHz-1920 MHz, 2570 MHz-2620 MHz and 2320 MHz-2370 MHz, and corresponding to the international upper labels of 34, 39, 38 and 40, so that the real multi-scene data transmission capability of global internet of things (without external closed national network) is realized, and meanwhile, the edge control (the small site does not need PLC) is provided to directly program through an edge computing terminal IO (local 31IO, bus expansion is supported), and the rapid deployment can be completed.

As another preferred embodiment of the present invention, each of the heat pump stations is provided with a plurality of edge computing modules and a core control module, the edge control modules correspond to the core control modules one to one, and each of the core control modules is in communication connection with the heat pump.

In the embodiment of the present invention, the plurality of edge computing modules and core control modules are generally set to 2 for cost, that is, each heat pump station is generally provided with two edge computing modules and two core control modules, which has the advantage that when a fault suddenly occurs during operation, the operation can be quickly switched to another standby edge computing module or another core control module, so as to ensure that the control can be continued without interruption.

It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.