CN211952939U - Full-process energy-saving intelligent control middle-deep layer geothermal interference-free heating system - Google Patents
Full-process energy-saving intelligent control middle-deep layer geothermal interference-free heating system Download PDFInfo
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- CN211952939U CN211952939U CN202020419262.2U CN202020419262U CN211952939U CN 211952939 U CN211952939 U CN 211952939U CN 202020419262 U CN202020419262 U CN 202020419262U CN 211952939 U CN211952939 U CN 211952939U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The utility model discloses an energy-conserving intelligent control of overall process middle and deep geothermal noiseless heating system, wherein, buried pipe heat exchanger sets up in geothermal drilling, ground source side water pump is linked together with buried pipe heat exchanger, ground source side water pump communicates the heat transfer through the heat pump host computer with user side water pump, user side water pump communicates to in the user side room, energy-conserving intelligent control system is respectively through first frequency conversion cabinet, second frequency conversion cabinet and heat pump set control system and ground source side water pump, user side water pump and heat pump host computer are connected, temperature sensor sets up in the user side indoor, pressure sensor sets up in the most unfavorable end position of user side, energy-conserving intelligent control system carries out integrated the regulation to the power of unit water pump. Through the technical scheme of the utility model, realized the clean utilization that middle and deep geothermal energy is noiseless, realized that the total energy consumption of each main power consumption equipment is minimum, guaranteed simultaneously geothermal energy heating system's stability, reliability and user's travelling comfort.
Description
Technical Field
The utility model relates to a geothermal development utilizes technical field, especially relates to an energy-conserving intelligent control of overall process middle and deep layer geothermol power heating system that does not have interference.
Background
Compared with conventional boiler heating, air source heat pump heating and electric heating, the middle-deep geothermal heating system has the advantages of being low in operation energy consumption cost in the operation process, green, economical, sustainable and the like. However, the middle-deep geothermal heat supply system relates to the heat exchange performance of the underground buried pipe heat exchanger, geothermal heat exchange, underground water circulation, hot water grade improvement, heat supplement, hot water delivery, air conditioning and other process links, main equipment and facilities comprise a geothermal well, a ground source side circulating pump, a heat pump unit, a heat exchanger unit, a heat supplement boiler, a user side circulating pump, a fan and the like, the system process is complex, the equipment is numerous, the coordination management is performed on each process link, the operation control is performed on various equipment, the effective fusion is performed on the geothermal heat, the building and the environment, and the main problem to be solved in the application practice of the middle-deep geothermal heat supply system is urgent.
In the current non-interference heat supply process of the middle-deep layer, the temperature of the underground stratum at the heat source side is not known and monitored, so that the reliability and the long-term stability of heat supply are influenced; in the control of the tail end environment, the most adverse link and comfort of heating are not controlled, and the heating effect and comfort are influenced
The middle-deep geothermal energy heating energy-saving intelligent control technology is based on heating energy-saving technology, quantitative management technology, computer network technology and automatic control technology, advanced technologies such as big data, Internet +, artificial intelligence and the like, forms a comprehensive energy management service platform through optimization and integration of key links such as operation monitoring, data processing, automatic regulation, control, maintenance and management of a building heating system, and realizes safe, efficient and intelligent operation of a centralized heating system.
At present, in the actual operation of the ground source heat pump air-conditioning system, the generally adopted automatic control technology level is lower, and the degree of intensive and energy-efficient operation control is far from being achieved, so that the global and optimized energy-saving control of the ground source heat pump air-conditioning system is carried out by means of the advanced automatic control technology, so that the ground source heat pump air-conditioning system can operate efficiently, and the method has very important practical significance for energy conservation advocated at present.
In the automatic control technology of the ground source heat pump air-conditioning system, the technology of realizing the energy-saving target by adopting a global optimization energy-saving control means aiming at the ground source heat pump air-conditioning system is still in a starting stage.
The current situation is as follows: people often focus on the energy conservation of local energy consumption equipment, so that the condition of 'blindness' occurs. Energy sources can be saved on some local energy consumption equipment (such as a heat pump unit compressor), but energy consumption of other energy consumption equipment (such as a water pump or a fan) is increased, so that total energy consumption of the system is not reduced but increased. This situation is abundant in current ground source heat pump air conditioning systems. Therefore, the attention should not be paid to the energy conservation of local individual equipment (such as a compressor, a water pump or a fan), but the energy conservation of the whole system is performed from the perspective of global and systematization. Only when the whole system saves energy, the energy saving can be realized in the true sense.
SUMMERY OF THE UTILITY MODEL
To at least one of the above-mentioned problem, the utility model provides an energy-conserving intelligent control middle and deep geothermal energy interference-free heating system of overall process, include to the control of underground, unit and terminal threediate, underground heat exchanger is outside through optic fibre monitoring country rock temperature, to the control of energy consumption equipment such as heat pump set, ground source side water pump and user side water pump in the computer lab, user side is through temperature, pressure monitoring, realize strong and weak electricity integration highly integrated control through data and the relevant algorithm of gathering, with middle and deep geothermal well, computer lab and end user and automated control system organic combination, realize the clear utilization that middle and deep geothermal energy is noiseless, according to user side demand intelligent control ground source side such as actual load, computer lab, realize heating robot is on duty, guarantee the total energy consumption minimum of each main energy consumption equipment, guarantee geothermal energy heating system's stability simultaneously, Reliability and user comfort.
In order to achieve the above object, the utility model provides an energy-conserving intelligent control of overall process middle and deep geothermal noiseless heating system, include: the underground heat taking control assembly, the ground source heat pump unit control assembly and the tail end heating control assembly are arranged in the well; the underground heat taking control assembly comprises an underground heat exchanger and a temperature measuring optical fiber, the underground heat taking control assembly is an interference-free system, the underground heat exchanger is arranged in a geothermal well, and the temperature measuring optical fiber is arranged outside a sleeve of the underground heat exchanger; the ground source heat pump unit control assembly comprises a ground source side water pump, a heat pump host, a user side water pump, an energy-saving intelligent control system, a heat pump unit control system, a first frequency conversion cabinet, a second frequency conversion cabinet and a standby heat source, wherein the ground source side water pump is communicated with the buried pipe heat exchanger, the ground source side water pump is communicated with the user side water pump through the heat pump host for heat exchange, the user side water pump is communicated into a user side chamber, the first frequency conversion cabinet, the second frequency conversion cabinet and the heat pump unit control system are respectively connected with the ground source side water pump, the user side water pump and the heat pump host, the energy-saving intelligent control system is respectively connected with the first frequency conversion cabinet, the second frequency conversion cabinet and the heat pump unit control system, and the temperature measuring optical fiber is connected with the energy-saving intelligent; the tail end heating control assembly comprises a temperature sensor and a pressure sensor, the temperature sensor is arranged in a user side room, the pressure sensor is arranged at the worst tail end position of the user side, and the temperature sensor and the pressure sensor are both connected with the energy-saving intelligent control system; the energy-saving intelligent control system performs integrated regulation on the power of the unit water pump through the first frequency conversion cabinet, the second frequency conversion cabinet and the heat pump unit control system according to the indoor temperature of the user side.
In the above technical solution, preferably, the whole-process energy-saving intelligent control mid-deep geothermal interference-free heating system further includes a standby heat source, the standby heat source is connected to the user-side water pump and a pipeline communicated with the user-side indoor space through a heat source conversion assembly, and the heat source conversion assembly is connected to the energy-saving intelligent control system.
In the above technical scheme, preferably, the ground heat exchanger is of a coaxial sleeve type or a U-shaped butt well type, and the temperature measuring optical fiber is fixed to the edge of the surrounding rock stratum outside the ground heat exchanger through an optical fiber fixer.
In the above technical scheme, preferably, the energy-saving intelligent control system is connected with an internet cloud, the energy-saving intelligent control system is configured to send the received parameters to the overall energy efficiency and economy evaluation module through the internet cloud, and the energy-saving intelligent control system is configured to feed back the parameters according to the evaluation result to control the operation of the ground source heat pump unit control assembly, so as to improve the overall energy efficiency and economy.
In the above technical solution, preferably, the energy-saving intelligent control system is further configured to calculate and estimate the estimated remaining available heat removal amount for the ground heat exchanger by an analytical method or a numerical method according to the measurement result of the temperature measurement optical fiber.
In the above technical solution, preferably, the energy-saving intelligent control system starts the backup heat source when the estimated remaining available heat is not enough to be provided to the user side or during heating peak shaving.
In the above technical solution, preferably, the heat pump unit control system is configured to control water temperatures of a water inlet and a water outlet of the evaporator and a water inlet and a water outlet of the condenser.
In the above technical solution, preferably, the standby heat source is an air source heat pump, a gas boiler, or a shallow buried pipe system.
Compared with the prior art, the beneficial effects of the utility model are that: the underground heat exchanger monitors the temperature of surrounding rocks through optical fibers, energy consumption equipment such as a heat pump unit, a ground source side water pump, a user side water pump and the like are controlled in a machine room, the user side monitors the temperature and the pressure, and the integrated high-integration control of strong and weak electricity is realized through collected data and related algorithms.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the utility model discloses an energy-conserving intelligent control middle-deep geothermal interference-free heating system of overall process.
In the drawings, the correspondence between each component and the reference numeral is:
1. the system comprises a buried pipe heat exchanger, 2, a temperature measuring optical fiber, 3, an optical fiber fixer, 4, a surrounding rock stratum, 5, a ground source side water pump, 6, a heat pump host, 7, a user side water pump, 8, a first frequency conversion cabinet, 9, a heat pump unit control system, 10, a second frequency conversion cabinet, 11, an energy-saving intelligent control system, 12, an internet cloud, 13, an overall energy efficiency and economy evaluation module, 14, a heat source conversion assembly, 15, a standby heat source, 16, a user side, 17, a temperature sensor and 18, and a pressure sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, according to the utility model provides a pair of interference-free heating system of deep geothermol power among energy-conserving intelligent control of overall process among interference-free heating system of deep geothermol power, include: the underground heat taking control assembly, the ground source heat pump unit control assembly and the tail end heating control assembly are arranged in the well; the underground heat taking control assembly comprises an underground heat exchanger 1 and a temperature measuring optical fiber 2, the underground heat taking control assembly is an interference-free system, the underground heat exchanger 1 is arranged in a geothermal well, and the temperature measuring optical fiber 2 is arranged on the outer side of a sleeve of the underground heat exchanger 1; the ground source heat pump unit control assembly comprises a ground source side water pump 5, a heat pump host 6, a user side water pump 7, an energy-saving intelligent control system 11, a heat pump unit control system 9, a first frequency conversion cabinet 8, a second frequency conversion cabinet 10 and a standby heat source 15, wherein the ground source side water pump 5 is communicated with the buried pipe heat exchanger 1, the ground source side water pump 5 and the user side water pump 7 are communicated for heat exchange through the heat pump host 6, the user side water pump 7 is communicated into a user side chamber, the first frequency conversion cabinet 8, the second frequency conversion cabinet 10 and the heat pump unit control system 9 are respectively connected with the ground source side water pump 5, the user side water pump 7 and the heat pump host 6, and the energy-saving intelligent control system 11 is respectively connected with the first frequency conversion cabinet 8, the second frequency conversion cabinet 10, the heat pump unit; the tail end heating control component comprises a temperature sensor 17 and a pressure sensor 18, the temperature sensor 17 is arranged in a user side 16 room, the pressure sensor 18 is arranged at the worst tail end position of the user side, and both the temperature sensor 17 and the pressure sensor 18 are connected with the energy-saving intelligent control system 11; the energy-saving intelligent control system 11 performs integrated adjustment on the power of the unit water pump through the first frequency conversion cabinet 8, the second frequency conversion cabinet 10 and the heat pump unit control system 9 according to the indoor temperature of the user side 16.
In the embodiment, the whole-process energy-saving intelligent control middle-deep geothermal interference-free heating system comprises three parts, namely an underground part, a unit part and a tail end, wherein the temperature of surrounding rocks is monitored outside the underground buried pipe heat exchanger 1 through optical fibers, vertical continuous dynamic monitoring is carried out in the heating process, and the standby heat source system is automatically started during the heating peak regulation of the system according to the set surrounding rock temperature threshold value. By combining the monitoring of the temperature and the pressure at the user side, the control of energy consumption equipment such as the heat pump host 6, the ground source side water pump 5, the user side water pump 7 and the like in the machine room, the integrated high integrated control of strong and weak electricity is realized through the collected data and related algorithms, the integrated high integrated control of strong and weak electricity is realized through big data in an energy-saving intelligent control platform, self-learning of machine equipment, genetic evolution of a heating system, artificial intelligence and group technology, the energy-saving and intelligent degrees of the system are improved, the middle and deep geothermal wells, machine rooms and end users are combined with an automatic control mechanism, the interference-free clean utilization of the middle and deep geothermal energy is realized, the ground source side and the machine room are intelligently controlled according to the requirements of the actual load and the like of the user side, the on duty of the heating robot is realized, the total energy consumption of each main energy consumption device is ensured to be the lowest, meanwhile, the stability and reliability of a heat source of the geothermal energy heating system and the comfort of a terminal user are ensured.
In the above embodiment, preferably, the whole-process energy-saving intelligent control mid-deep geothermal interference-free heating system further includes a standby heat source 15, the standby heat source 15 is connected to the user-side water pump 7 and the pipeline of indoor communication of the user side 16 through a heat source conversion assembly 14, and the heat source conversion assembly 14 is connected to the energy-saving intelligent control system 11.
In the above embodiment, preferably, the ground heat exchanger 1 is of a coaxial sleeve type or a U-shaped butt well type, and the temperature measuring optical fiber 2 is fixed on the edge of the surrounding rock stratum 4 outside the ground heat exchanger 1 through the optical fiber fixer 3.
In the above embodiment, preferably, the energy-saving intelligent control system 11 is connected to the internet cloud 12, the energy-saving intelligent control system 11 is configured to send the received parameters to the overall energy efficiency and economy evaluation module 13 through the internet cloud 12, and the energy-saving intelligent control system 11 is configured to feed back the parameters according to the evaluation result to control the operation of the ground source heat pump unit control component, so as to improve the overall energy efficiency and economy. Through energy-saving and intelligent control, the control on the ground source heat pump unit control assembly is dynamically carried out, and the total energy consumption of the system is ensured to be the lowest and the energy efficiency is the highest along with the change of the load in the dynamic process.
Wherein, carry out temperature monitoring through 16 typical rooms of user side, guarantee that terminal environment is comfortable, carry out pressure monitoring through most unfavorable terminal position, avoid appearing local unfavorable heating to under the prerequisite of guaranteeing heating safety, environmental comfort, effectively reduce the whole operation energy consumption of system. All data can be stored in the internet cloud 12, and the system can also realize remote control.
In the above embodiment, preferably, the energy-saving intelligent control system 11 is further configured to calculate the estimated remaining available heat extraction amount for the ground heat exchanger 1 by an analytical method or a numerical method according to the measurement result of the temperature measuring optical fiber 2.
In the above embodiment, the energy-saving intelligent control system 11 preferably activates the backup heat source 15 when it is estimated that the remaining available heat is not sufficient to be provided to the user side 16 or during a heating peak shaving.
In the above embodiment, preferably, the heat pump unit control system 9 is used for controlling the water temperatures of the water inlet and outlet of the evaporator and the water inlet and outlet of the condenser.
In the above embodiment, preferably, the backup heat source 15 is an air source heat pump, a gas boiler, or a shallow ground source heat pump.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an energy-conserving intelligent control middle and deep geothermal noiseless heating system of overall process which characterized in that includes: the underground heat taking control assembly, the ground source heat pump unit control assembly and the tail end heating control assembly are arranged in the well;
the underground heat taking control assembly comprises an underground heat exchanger and a temperature measuring optical fiber, the underground heat taking control assembly is an interference-free system, the underground heat exchanger is arranged in a geothermal well, and the temperature measuring optical fiber is arranged outside a sleeve of the underground heat exchanger;
the ground source heat pump unit control assembly comprises a ground source side water pump, a heat pump host, a user side water pump, an energy-saving intelligent control system, a heat pump unit control system, a first frequency conversion cabinet, a second frequency conversion cabinet and a standby heat source, wherein the ground source side water pump is communicated with the buried pipe heat exchanger, the ground source side water pump is communicated with the user side water pump through the heat pump host for heat exchange, the user side water pump is communicated into a user side chamber, the first frequency conversion cabinet, the second frequency conversion cabinet and the heat pump unit control system are respectively connected with the ground source side water pump, the user side water pump and the heat pump host, the energy-saving intelligent control system is respectively connected with the first frequency conversion cabinet, the second frequency conversion cabinet and the heat pump unit control system, and the temperature measuring optical fiber is connected with the energy-saving intelligent;
the tail end heating control assembly comprises a temperature sensor and a pressure sensor, the temperature sensor is arranged in a user side room, the pressure sensor is arranged at the worst tail end position of the user side, and the temperature sensor and the pressure sensor are both connected with the energy-saving intelligent control system;
the energy-saving intelligent control system performs integrated regulation on the power of the unit water pump through the first frequency conversion cabinet, the second frequency conversion cabinet and the heat pump unit control system according to the indoor temperature of the user side.
2. The full-process energy-saving intelligently-controlled mid-deep geothermal interference-free heating system according to claim 1, further comprising a standby heat source, wherein the standby heat source is connected with the user side water pump and a pipeline communicated with a user side indoor room through a heat source conversion assembly, and the heat source conversion assembly is connected with the energy-saving intelligently-controlled system.
3. The full-process energy-saving intelligent control mid-deep geothermal interference-free heating system according to claim 1 or 2, wherein the ground heat exchanger is of a coaxial sleeve type or a U-shaped butt well type, and the temperature measuring optical fiber is fixed on the edge of the surrounding rock stratum outside the ground heat exchanger through an optical fiber fixer.
4. The full-process energy-saving intelligent control medium-deep geothermal interference-free heating system according to claim 2, wherein the energy-saving intelligent control system is connected with an internet cloud, the energy-saving intelligent control system is used for sending received parameters to the overall energy efficiency and economy evaluation module through the internet cloud, and the energy-saving intelligent control system is used for feeding back parameters according to evaluation results to control a ground source heat pump unit control assembly to operate so as to improve overall energy efficiency and economy.
5. The full-process energy-saving intelligent control mid-deep geothermal interference-free heating system according to claim 4, wherein the energy-saving intelligent control system is further used for calculating the estimated residual available heating amount of the ground heat exchanger by an analytic method or a numerical method according to the measurement result of the temperature measuring optical fiber so as to improve the stability of geothermal heating.
6. The full process energy-saving intelligently controlled mid-deep geothermal interference-free heating system according to claim 5, wherein the energy-saving intelligently controlled system starts the backup heat source when the estimated remaining available heat is not enough to be provided to a user side or during a heating peak shaving.
7. The full-process energy-saving intelligent control middle-deep geothermal interference-free heating system according to claim 1, wherein the heat pump unit control system is used for controlling water temperatures of a water inlet and a water outlet of an evaporator and a water inlet and a water outlet of a condenser.
8. The full-process energy-saving intelligent control middle-deep geothermal interference-free heating system according to claim 2 or 6, wherein the standby heat source is an air source heat pump, a gas boiler or a shallow buried pipe system.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251711A (en) * | 2021-12-30 | 2022-03-29 | 陕西西咸新区沣西新城能源发展有限公司 | Active type middle-deep layer geothermal energy heat exchange station system and control method |
| CN116025943A (en) * | 2022-11-28 | 2023-04-28 | 中国能源建设集团湖南省电力设计院有限公司 | Zero-carbon heating system of medium-deep geothermal energy coupling light storage system |
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2020
- 2020-03-27 CN CN202020419262.2U patent/CN211952939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251711A (en) * | 2021-12-30 | 2022-03-29 | 陕西西咸新区沣西新城能源发展有限公司 | Active type middle-deep layer geothermal energy heat exchange station system and control method |
| CN116025943A (en) * | 2022-11-28 | 2023-04-28 | 中国能源建设集团湖南省电力设计院有限公司 | Zero-carbon heating system of medium-deep geothermal energy coupling light storage system |
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