CN111023223A - Heating heat supply network intelligent hydraulic balance system based on cloud and return water temperature - Google Patents
Heating heat supply network intelligent hydraulic balance system based on cloud and return water temperature Download PDFInfo
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- CN111023223A CN111023223A CN201911390009.7A CN201911390009A CN111023223A CN 111023223 A CN111023223 A CN 111023223A CN 201911390009 A CN201911390009 A CN 201911390009A CN 111023223 A CN111023223 A CN 111023223A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000009529 body temperature measurement Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
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- Thermal Sciences (AREA)
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a heating heat supply network intelligent hydraulic balance system based on cloud and return water temperatures, relates to the technical field of intelligent centralized heating, and solves the technical problem of hydraulic unbalance of a heating network. In addition, set up temperature sensor on the return water pipeline and monitor return water temperature, with the long-range control return water temperature ratio who sets up of high in the clouds server, intelligent remote control valve then can carry out adjustment control to user's water supply flow automatically, accomplishes more accurate management and hydraulic power intelligence balanced.
Description
Technical Field
The utility model relates to an intelligence central heating technical field especially relates to a heating heat supply network intelligence hydraulic balance system based on high in the clouds and return water temperature.
Background
With the continuous expansion of the range of the direct supply community, the direct supply plays an active role in the aspects of saving heat sources, improving enterprise benefits and the like, the heat supply income of the direct supply community gradually becomes an important component for improving the benefits of a heating company, the heat supply is stabilized, complaints are reduced, disputes are avoided, and the service quality of the heating company is reflected. Therefore, the scientific management of the direct supply community heat distribution pipe network is further enhanced, and the energy conservation and consumption reduction are promoted, so that the method has medium and large economic and social benefits.
In a standard heating system, a heat source (high-temperature water or steam) is conveyed to each district heat exchange station through a primary pipe network system, and low-temperature water is generated after secondary heat exchange through a heat exchanger and enters a secondary pipe network in a district to be supplied to residential users. Resident users are distributed in different areas, different buildings, different units and different floors in a community, and a secondary pipe network heat supply system needs to ensure that proper heat is provided for all the users so as to meet the heating requirement. For a secondary pipe network system which is designed and constructed correctly and operates according to design requirements, all users can obtain the required design water quantity, the heat supply requirement is met, and the satisfactory indoor temperature is achieved. At present, due to the reasons of design, construction, maintenance and the like, most of transmission and distribution loops of a secondary pipe network of a heating power company have hydraulic imbalance in the horizontal direction, so that the actual flow between buildings flowing through the secondary pipe network is inconsistent with the design requirement, and the problems of excessive heat supply and insufficient heat supply exist. Meanwhile, factors such as mixed installation of heating equipment of each user, floor height difference and the like have hydraulic unbalance in the vertical direction, the heat supply load of the user cannot be effectively controlled, and the problem that the room temperature exceeds the standard or does not reach the standard is obvious. In addition, due to reasons of pipe network leakage, water pump model selection deviation, operation adjustment, requirement of unheated users and the like, the water supply system is always in the operation working condition of large flow and small temperature difference, the energy consumption is high, and the operation efficiency of the water pump is low.
Hydraulic imbalance includes primarily static hydraulic imbalance and dynamic hydraulic imbalance. The static hydraulic unbalance is mainly generated by superposition of various errors in the processes of design, product model selection, construction and the like of the system, the resistance characteristic of the system pipeline required by the design is not consistent with the resistance characteristic of the actual system pipeline, and the hydraulic unbalance state that the actual flow is inconsistent with the designed flow is caused. The dynamic hydraulic imbalance is mainly caused by that regulating and controlling equipment is arranged between buildings and on a water supply system by thermal users, and flow distribution is changed, so that the dynamic resistance characteristic of a secondary pipe network is inconsistent with the designed resistance characteristic, and the dynamic imbalance condition of the system is caused.
The method eliminates the hydraulic unbalance of a pipe network, and enables each user to supply heat in a balanced manner, so that the room temperature of the user is controlled within a controllable range, and the method is a main task facing a heating power company at present.
Disclosure of Invention
The utility model provides a heating heat supply network intelligence hydraulic balance system based on high in the clouds and return water temperature reaches the technical purpose that eliminates pipe network hydraulic unbalance and make each user balanced heat supply.
The technical purpose of the present disclosure is achieved by the following technical solutions:
a heating heat supply network intelligent hydraulic balance system based on cloud and return water temperatures comprises a control system, a cloud server, an intelligent gateway, an MBUS bus system, a water inlet system, a return water system and a heat exchange station, wherein the water inlet system and the return water system are connected with the heat exchange station; the water inlet system comprises at least one water inlet pipeline, each water inlet pipeline is provided with a first temperature measuring ball valve and an intelligent remote control valve, and the first temperature measuring ball valve is provided with a first temperature sensor;
the water return system comprises at least one water return pipeline, each water return pipeline is provided with a second temperature measuring ball valve and a stop valve, and the second temperature measuring ball valve is provided with a second temperature sensor;
the first temperature sensor and the second temperature sensor are connected with the intelligent remote control valve, the first temperature measurement ball valve and the second temperature measurement ball valve are connected with the intelligent remote control valve, the intelligent remote control valve is connected with the intelligent gateway through the MBUS bus system, the intelligent gateway is connected with the cloud server, and the cloud server is connected with the control system.
Furthermore, the first temperature measuring ball valve and the second temperature measuring ball valve are connected with the intelligent remote control valve through movable joints.
Furthermore, the system also comprises at least one room temperature detector, and the room temperature detector is connected with the intelligent gateway through a network.
Furthermore, the intelligent gateway, the control system and the cloud server are connected through a network.
Further, the network connections include a 4G network connection, a wireless network connection, and a NBIoT network connection.
Further, the control system comprises an equipment management module, a machine room management module and a water tank management module, wherein the equipment management module comprises an equipment unit, a position unit, a payment unit and a strategy unit.
Further, the location unit includes a cell name, a building number, and a room number.
The beneficial effect of this disclosure lies in: the intelligent remote control valve is adopted to replace a balance valve, has a continuously adjustable 0-100% adjusting function, and replaces the function of realizing the balance valve through remote control adjustment. The system can automatically adjust according to different heating stages according to the change condition of users every year, and thoroughly solves the problem of hydraulic balance of the heating pipeline. The valve is scientific in design, small in resistance and large in maximum drift diameter, so that the requirement for tail end flow can be met.
In addition, set up temperature sensor on the return water pipeline and monitor return water temperature, with the long-range control return water temperature ratio who sets up of high in the clouds server, intelligent remote control valve then can carry out adjustment control to user's water supply flow automatically, accomplishes more accurate management and hydraulic power intelligence balanced.
Drawings
FIG. 1 is a schematic view of the disclosed system;
FIG. 2 is a schematic view of a valve installation according to the present disclosure;
FIG. 3 is a schematic diagram of an embodiment of each building;
FIGS. 4(a) and 4(b) are schematic views of exemplary regions;
in the figure, 1 is an intelligent remote control valve, and 2 is a first temperature measuring ball valve; 3-a first temperature sensor; 4-a second temperature measuring ball valve; 5-a second temperature sensor; 6-a stop valve; 7-loose joint.
Detailed Description
The technical scheme of the disclosure will be described in detail with reference to the accompanying drawings. In the description of the present disclosure, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. The terms "connected" and the like are used in a broad sense and may be either fixedly connected or detachably connected or integrally connected; the connection can be mechanical connection, electrical connection or network connection; either directly or indirectly through intervening media, or through both elements.
Fig. 1 is a schematic diagram of the system, and the heating heat supply network intelligent hydraulic balance system based on cloud and return water temperature comprises a control system, a cloud server, an intelligent gateway, an MBUS bus system, a water inlet system, a return water system and a heat exchange station, wherein the water inlet system and the return water system are connected with the heat exchange station. The water inlet system comprises at least one water inlet pipeline, each water inlet pipeline is provided with a first temperature measuring ball valve and an intelligent remote control valve, and the first temperature measuring ball valve is provided with a first temperature sensor; the water return system comprises at least one water return pipeline, each water return pipeline is provided with a second temperature measuring ball valve and a stop valve, and the second temperature measuring ball valve is provided with a second temperature sensor. First temperature sensor and second temperature sensor are connected with the remote control valve of intelligence, and first temperature measurement ball valve and second temperature measurement ball valve are connected with the remote control valve of intelligence, and the remote control valve of intelligence passes through MBUS bus system to be connected with intelligent gateway, and intelligent gateway is connected with high in the clouds server, and high in the clouds server is connected with control system.
Fig. 2 is the valve installation schematic diagram of this disclosure, combines fig. 3, and the intake pipe intake firstly passes through first temperature measurement ball valve, and then first temperature sensor sends the temperature of intaking to intelligent remote control valve through the MBUS bus system, and intelligent remote control valve sends the temperature of intaking to intelligent gateway through the MBUS bus system equally. The inlet water reaches the radiator after passing through the intelligent remote control valve, the inlet water is discharged from the radiator and then reaches the second temperature measuring ball valve, and the second temperature sensor can obtain the return water temperature and transmit the return water temperature to the intelligent gateway. The intelligent gateway uploads the water inlet temperature and the water return temperature of the corresponding positions to the cloud server, the control system performs corresponding regulation according to data received by the cloud server, and finally the corresponding regulation is transferred to the intelligent gateway, and the intelligent gateway controls the valves to regulate the flow.
As shown in fig. 3, a room temperature detector may be installed in the system and connected to the intelligent gateway network. In a specific embodiment, the room temperature detector can be arranged in a user room of the most favorable and most unfavorable hydraulic working conditions (or typical position users, such as a middle house, a side house, a top house, a near end, a far end and the like) in each building, and the actual temperature in the user room of the most favorable and most unfavorable hydraulic position is read, so as to be used as a basis for regulating and controlling the heat exchange station. Obviously, if want to carry out more accurate regulation and control, can be at every user indoor installation room temperature detector, intelligent gateway obtains uploading to for the high in the clouds server after all indoor temperatures, and the high in the clouds server carries out operation analysis to these temperatures and sends the analysis result for control system, makes specific regulation and control by control system again.
Fig. 3 is a schematic diagram showing the composition of the hydraulic balance system of a building, fig. 4(a) shows the composition of the hydraulic balance system of a cell, and fig. 4(b) shows the composition of the hydraulic balance system of all cells in a region. Generally, a building corresponds to an intelligent gateway, a cell corresponds to a control system, and all areas can share a cloud server.
The MBUS bus system adopted by the present disclosure uses a shielding cable with a valve bus not less than 2 x 1 square (required color is red and black); the valve adopts an MBUS two-wire system interface, the outgoing lines are red and black, and red to red and black to black are required during wiring; junction boxes are reserved at the interfaces of the valves and the bus, so that later maintenance is facilitated; the inner wiring of the wall is made of PVC pipes, the outer wiring of the wall is made of iron pipes, and the specific construction requirements are implemented according to a standard construction scheme.
The room temperature detector, the intelligent gateway, the control system and the cloud server are connected through a network, and the network connection comprises 4G network connection, wireless network connection and NBIoT network connection. Regarding the NBIoT network connection, each building can adopt a set of NBIoT network centralized acquisition controller, the NBIoT network centralized acquisition controller and the heat exchange station adopt NBIoT network or Intenet network connection, and data is transmitted by adopting a TCP/IP protocol file, so that the system can realize quick acquisition and real-time data processing. The NBIoT network centralized acquisition controller comprises a power supply wiring board, an MBUS bus system, an intelligent gateway, a control system and the like.
The control system comprises an equipment management module, a machine room management module and a water tank management module, wherein the equipment management module comprises an equipment unit, a position unit, a payment unit and a strategy unit, and the position unit comprises a community name, a building number and a room number. Therefore, information maintenance of equipment, cells, buildings, rooms and owners can be realized, and roles and permissions can be dynamically granted to personnel. For example, after the cloud server obtains the water inlet temperature and the water return temperature of each room of each building, what heating strategy should be used is analyzed, and then the heating strategy is sent to the strategy unit of the control system, and the control system performs heating adjustment according to the strategy, that is, adjustment of the flow rate and time of the intelligent remote control valve, and the like.
The intelligent remote control valve has the continuous adjustable 0-100% adjusting function, and the function of realizing the balance valve is replaced by remote control adjustment. The system can automatically adjust according to different heating stages according to the change condition of users every year, and thoroughly solves the problem of hydraulic balance of the heating pipeline. The valve is scientific in design, small in resistance and large in maximum drift diameter, so that the requirement for tail end flow can be met.
In addition, through the monitoring to the return water temperature, with the control return water temperature of the long-range setting of high in the clouds server comparison, intelligence remote control valve is automatic to carry out adjustment control to user's water supply flow, accomplishes more accurate management and hydraulic power intelligence balanced. In addition, the phenomenon of hot water stealing can be accurately checked through abnormal intelligent detection of the return water temperature, on one hand, an alarm is given to the cloud server, on the other hand, the intelligent remote control valve is automatically closed, and return water backflow is automatically closed through the stop valve. The switch-on is automatically carried out after a certain time (for example, 30 minutes), or the switch-on is carried out after the customer complains and the customer confirms by a remote service center of the control system.
The foregoing is an exemplary embodiment of the present disclosure, and the scope of the present disclosure is defined by the claims and their equivalents.
Claims (7)
1. A heating heat supply network intelligent hydraulic balance system based on cloud and return water temperature is characterized by comprising a control system, a cloud server, an intelligent gateway, an MBUS bus system, a water inlet system, a return water system and a heat exchange station, wherein the water inlet system and the return water system are connected with the heat exchange station; the water inlet system comprises at least one water inlet pipeline, each water inlet pipeline is provided with a first temperature measuring ball valve and an intelligent remote control valve, and the first temperature measuring ball valve is provided with a first temperature sensor;
the water return system comprises at least one water return pipeline, each water return pipeline is provided with a second temperature measuring ball valve and a stop valve, and the second temperature measuring ball valve is provided with a second temperature sensor;
the first temperature sensor and the second temperature sensor are connected with the intelligent remote control valve, the first temperature measurement ball valve and the second temperature measurement ball valve are connected with the intelligent remote control valve, the intelligent remote control valve is connected with the intelligent gateway through the MBUS bus system, the intelligent gateway is connected with the cloud server, and the cloud server is connected with the control system.
2. The cloud and return temperature based heating and heating network intelligent hydraulic balance system of claim 1, wherein the first temperature ball valve and the second temperature ball valve are connected to the intelligent remote control valve through a union.
3. The cloud and return water temperature based heating and heating network intelligent hydraulic balance system of claim 1, further comprising at least one room temperature detector, wherein the room temperature detector is connected to the intelligent gateway through a network.
4. The cloud and return temperature based heating and heating network intelligent hydraulic balancing system of claim 1, wherein the intelligent gateway and the control system are connected to the cloud server via a network.
5. The cloud and return water temperature-based heating heat supply network intelligent hydraulic balancing system of claim 3 or 4, wherein the network connections comprise 4G network connections, wireless network connections, and NBIoT network connections.
6. The cloud and return temperature based heating heat supply network intelligent hydraulic balance system of claim 5, wherein the control system comprises an equipment management module, a machine room management module and a water tank management module, and the equipment management module comprises an equipment unit, a location unit, a payment unit and a policy unit.
7. The cloud and return water temperature based heating heat supply network intelligent hydraulic balancing system of claim 6, wherein the location units include a cell name, a building number, and a room number.
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| CN111023223B CN111023223B (en) | 2021-09-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111536583A (en) * | 2020-06-15 | 2020-08-14 | 山东德尔智能数码股份有限公司 | Secondary network vertical and horizontal imbalance balance regulation and control method |
| CN111639950A (en) * | 2020-05-25 | 2020-09-08 | 瑞纳智能设备股份有限公司 | Room temperature processing system and method with customer service function |
| CN114909707A (en) * | 2022-04-24 | 2022-08-16 | 浙江英集动力科技有限公司 | Heat supply secondary network regulation and control method based on intelligent balancing device and reinforcement learning |
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