CN114706434B - Intelligent temperature control system for marine climate environment simulation platform - Google Patents
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Abstract
An intelligent temperature control system for a marine climate environment simulation platform, the control system comprising: the experimental cabin body is of a double-layer structure, experimental water in the experimental cabin body is seawater, water in an interlayer on the outer side of the experimental cabin body is fresh water, three horizontal transverse partition plates are arranged in the interlayer on the outer side of the experimental cabin body to divide the interlayer on the outer side into four temperature layers, and water sources with different temperatures can be introduced into each temperature layer to control the temperature of the experimental water in the experimental cabin body in a layered mode; the experimental cabin comprises a cold and heat source heat pump unit circulation assembly, wherein the cold and heat source heat pump unit circulation assembly is used for forming heat source circulation or cold source circulation in the experimental cabin so as to adjust the temperature of seawater in the experimental cabin, and comprises a cold and heat source heat pump unit, a heat source circulation loop and a cold source circulation loop which are arranged in a matched mode.
Description
The technical field is as follows:
the invention relates to an intelligent temperature control system for a marine climate environment simulation platform.
The background art comprises the following steps:
a Marine Environmental Chamber System (MECS) can simulate different real ecosystems and environments of the ocean by comprehensively regulating and controlling each physicochemical parameter of water in a cabin, further can simulate important events and ocean environment problems on the earth, obtains medium-scale space-time Environmental variables and ecosystem parameters which cannot be obtained under natural conditions, and provides data support for ocean scientific research.
In an environment simulation platform, temperature control is an important link, temperature values are important physical parameters in a cabin body of the platform, and changes of the temperature values can also affect other physical parameters, chemical parameters and biological parameters, so that the temperature of the simulation platform needs to be adjusted and controlled in order to achieve the purposes of simulating seawater temperature distribution in an ocean real environment and reproducing an ocean temperature jump layer phenomenon.
The existing temperature control system is not provided with a corresponding layered cold and hot circulating assembly, and cannot realize layered temperature control of water in the cabin body, so that the existing temperature control system cannot be suitable for seawater environments in different sea areas, has low response speed, cannot monitor and adjust real-time temperature values according to changes of other physical, chemical and biological parameters in the cabin body, and cannot meet different experimental requirements.
The invention content is as follows:
the embodiment of the invention provides an intelligent temperature control system for a marine climate environment simulation platform, which has reasonable structural design, realizes the split temperature control of water in a cabin body through a layered cold and hot circulation system with coordinated action based on the mutual matching action of a plurality of functional components, can be suitable for the seawater environments in different sea areas, can monitor and regulate temperature values according to the changes of other physical parameters, chemical parameters and biological parameters in the cabin body, meets different experimental requirements, provides stable and intelligent temperature control for an experimental cabin body, and performs corresponding dynamic regulation and control in a cold and heat source heat pump unit to obtain the optimal temperature simulation effect, thereby solving the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an intelligent temperature control system for a marine climate environment simulation platform, the control system comprising:
the experimental cabin body is of a double-layer structure, experimental water in the experimental cabin body is seawater, water in an interlayer on the outer side of the experimental cabin body is fresh water, three horizontal transverse partition plates are arranged in the interlayer on the outer side of the experimental cabin body to divide the interlayer on the outer side into four temperature layers, and water sources with different temperatures can be introduced into each temperature layer to control the temperature of the experimental water in the experimental cabin body in a layered mode;
the experimental cabin comprises a cold and heat source heat pump unit circulation assembly, a cold and heat source heat pump unit circulation assembly and a cold and heat source heat pump unit circulation assembly, wherein the cold and heat source heat pump unit circulation assembly is used for forming heat source circulation or cold source circulation in the experimental cabin so as to adjust the temperature of seawater in the experimental cabin and comprises a cold and heat source heat pump unit, a heat source circulation loop and a cold source circulation loop which are arranged in a matched mode;
the constant-temperature water replenishing assembly is used for conveying the seawater subjected to temperature adjustment treatment to a corresponding temperature layer of the experimental cabin body, replenishing water bodies with different heights, realizing constant-temperature water replenishing and reducing temperature impact on the environment in the cabin body and a microbial system, and comprises a warm sea water tank and a cold sea water tank which are arranged in a matched manner;
the data monitoring assembly is used for monitoring the temperature, the pressure and the water delivery flow parameters of an interlayer of the experimental cabin body, the liquid level height parameters in the experimental cabin body, the temperature parameters of water bodies with different heights, the temperature parameters of a warm sea water tank and a cold sea water tank and the liquid level height parameters, and comprises a temperature sensor, a pressure sensor and a flow sensor;
the water temperature control assembly is used for collecting monitoring data, controlling the frequency conversion operation of the heat pump water pump and the opening and closing of the electric valve and controlling the opening degree of the electric valve, and comprises an upper computer, a PLC control cabinet and a frequency conversion cabinet.
The cold and heat source heat pump unit is also provided with a cold water storage tank and a hot water storage tank which are matched with the warm sea water tank and the cold sea water tank to meet the water supplementing requirements of different temperature levels.
The experimental cabin body is divided into four sections, cold water is introduced into the two sections, hot water is introduced into the two sections, a first pipeline, a second pipeline, a third pipeline and a fourth pipeline are sequentially formed, a circulation loop connected by the cold and heat source heat pump unit is divided into two sections, the hot water is connected with the first pipeline and the second pipeline, and the cold water is connected with the third pipeline and the fourth pipeline.
The heat source circulation loop comprises a butterfly valve, a heat storage water tank, an electric valve, a filter, a hot water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a first branch pipeline and a second branch pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections of the interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port at the other side.
The cold source circulation loop comprises a butterfly valve, a cold water storage tank, an electric valve, a filter, a cold water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a branched third pipeline and a branched fourth pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections below an interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port at the other side.
The number of the data monitoring assemblies is 8, detected parameter changes are calculated in the control assembly through data transmission so as to issue commands to a control mechanism in a cold and heat source heat pump unit loop, and real-time monitoring, data transmission and automatic control are achieved.
By adopting the structure, through the double-layer structure of the experimental cabin body and the four formed temperature layers, water sources with different temperatures can be introduced into each temperature layer so as to carry out layered temperature control on experimental water in the experimental cabin body; forming heat source circulation or cold source circulation in the experimental cabin through a cold and heat source heat pump unit circulation assembly so as to adjust the temperature of seawater in the experimental cabin; the seawater subjected to temperature regulation treatment is conveyed to a corresponding temperature layer of the experimental cabin through the constant-temperature water replenishing assembly, water bodies with different heights are replenished, constant-temperature water replenishing is realized, and temperature impact on the environment in the cabin and a microbial system is reduced; monitoring the temperature, pressure and water delivery flow parameters of an interlayer of the experimental cabin body and liquid level height parameters, water body temperature parameters with different heights, temperature parameters of a warm sea water tank and a cold sea water tank and liquid level height parameters in the experimental cabin body through a data monitoring assembly; monitoring data are collected through the water temperature control assembly, the variable frequency operation of the heat pump water pump and the opening and closing and opening of the electric valve are controlled, and the electric valve has the advantages of simplicity, convenience, practicability, accuracy and high efficiency.
Description of the drawings:
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic structural view of the constant-temperature water replenishing of the invention.
Fig. 3 is a schematic diagram of a comparative structure of various experimental cabins of the present invention.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
1-3, an intelligent temperature control system for a marine climate environment simulation platform, the control system comprising:
the experimental cabin body is of a double-layer structure, experimental water in the experimental cabin body is seawater, water in an interlayer on the outer side of the experimental cabin body is fresh water, three horizontal transverse partition plates are arranged in the interlayer on the outer side of the experimental cabin body to divide the interlayer on the outer side into four temperature layers, and water sources with different temperatures can be introduced into each temperature layer to control the temperature of the experimental water in the experimental cabin body in a layered mode;
the experimental cabin comprises a cold and heat source heat pump unit circulation assembly, a cold and heat source heat pump unit circulation assembly and a cold and heat source heat pump unit circulation assembly, wherein the cold and heat source heat pump unit circulation assembly is used for forming heat source circulation or cold source circulation in the experimental cabin so as to adjust the temperature of seawater in the experimental cabin and comprises a cold and heat source heat pump unit, a heat source circulation loop and a cold source circulation loop which are arranged in a matched mode;
the constant-temperature water replenishing assembly is used for conveying the seawater subjected to temperature adjustment treatment to a corresponding temperature layer of the experimental cabin body, replenishing water bodies with different heights, realizing constant-temperature water replenishing and reducing temperature impact on the environment in the cabin body and a microbial system, and comprises a warm sea water tank and a cold sea water tank which are arranged in a matched manner;
the data monitoring assembly is used for monitoring the temperature, the pressure and the water delivery flow parameters of an interlayer of the experimental cabin body, the liquid level height parameters in the experimental cabin body, the temperature parameters of water bodies with different heights, the temperature parameters of a warm sea water tank and a cold sea water tank and the liquid level height parameters, and comprises a temperature sensor, a pressure sensor and a flow sensor;
the water temperature control assembly is used for collecting monitoring data, controlling the frequency conversion operation of the heat pump water pump and the opening and closing of the electric valve and controlling the opening degree of the electric valve, and comprises an upper computer, a PLC control cabinet and a frequency conversion cabinet.
The cold and heat source heat pump unit is also provided with a cold water storage tank and a hot water storage tank which are matched with the warm sea water tank and the cold sea water tank to meet the water supplementing requirements of different temperature levels.
The experimental cabin body is divided into four sections, cold water is introduced into the two sections, hot water is introduced into the two sections, a first pipeline, a second pipeline, a third pipeline and a fourth pipeline are sequentially formed, a circulation loop connected by the cold and heat source heat pump unit is divided into two sections, the hot water is connected with the first pipeline and the second pipeline, and the cold water is connected with the third pipeline and the fourth pipeline.
The heat source circulation loop comprises a butterfly valve, a heat storage water tank, an electric valve, a filter, a hot water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a first branch pipeline and a second branch pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections of the interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port at the other side.
The cold source circulation loop comprises a butterfly valve, a cold water storage tank, an electric valve, a filter, a cold water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a branched third pipeline and a branched fourth pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections below an interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port on the other side.
The number of the data monitoring assemblies is 8, detected parameter changes are calculated in the control assemblies through data transmission so as to issue commands to a control mechanism in a cold and heat source heat pump unit loop, and real-time monitoring, data transmission and automatic control are achieved.
The working principle of the intelligent temperature control system for the marine climate environment simulation platform in the embodiment of the invention is as follows: based on the mutually supporting effect of a plurality of functional units, through the cold and hot circulation system of layering of coordinated action, realize the components of a whole that can function independently temperature control of the internal water in cabin, can be applicable to the sea water environment in different sea areas, can also monitor the regulation temperature value according to the change of other physical parameter in the cabin, chemical parameter and biological parameter, satisfy different experimental demands, provide stable intelligent temperature control for the experiment cabin, carry out corresponding dynamic control in cold and hot source heat pump set, in order to obtain the best temperature simulation effect, convenience of customers operates, the temperature simulation effect of acquireing is accurate reliable.
In the whole scheme, the device mainly comprises an experiment cabin body which is of a double-layer structure, the experiment water in the experiment cabin body is seawater, the water in an interlayer at the outer side of the experiment cabin body is fresh water, three horizontal transverse partition plates are arranged in the interlayer at the outer side of the experiment cabin body to divide the interlayer at the outer side into four temperature layers, and water sources with different temperatures can be introduced into each temperature layer to perform layered temperature control on the experiment water in the experiment cabin body; the cold and heat source heat pump unit circulation assembly is used for forming heat source circulation or cold source circulation in the experimental cabin so as to adjust the temperature of seawater in the experimental cabin and comprises a cold and heat source heat pump unit, a heat source circulation loop and a cold source circulation loop which are matched; the constant-temperature water replenishing assembly is used for conveying the seawater subjected to temperature adjustment treatment to a corresponding temperature layer of the experimental cabin body, replenishing water bodies with different heights, realizing constant-temperature water replenishing and reducing temperature impact on the environment in the cabin body and a microbial system; the data monitoring assembly is used for monitoring the temperature, the pressure and the water delivery flow parameter of an interlayer of the experimental cabin body, the liquid level height parameter in the experimental cabin body, the temperature parameters of water bodies with different heights, the temperature parameters of the warm sea water tank and the cold sea water tank and the liquid level height parameter, and comprises a temperature sensor, a pressure sensor and a flow sensor; the water temperature control assembly is used for collecting monitoring data and controlling the variable frequency operation of the heat pump water pump and the opening and closing of the electric valve, and comprises an upper computer, a PLC control cabinet and a variable frequency cabinet, and the split temperature control is realized under the mutual cooperation of the plurality of functional assemblies to complete temperature simulation.
Preferably, still be equipped with cold storage water tank and hot storage water tank at cold and hot source heat pump set, the moisturizing demand that satisfies different temperature levels is satisfied to the cooperation warm sea water tank and cold sea water tank, and quick response can carry out temperature regulation in the short time.
Preferably, a refrigerating system and a heating system are arranged in the cold and heat source heat pump unit. When the cold and heat source heat pump unit works circularly, the variable-speed circulating pump is opened to exchange heat between the refrigerating or heating system and the working medium of the water bath interlayer; the variable speed circulating pump can be used for adjusting the heat in the heat exchange coil pipe box and further indirectly adjusting the heat of the water bath interlayer, the heat exchange coil pipe box in the cold and heat source heat pump unit is a heat insulation sealing box packaged with a heat exchange working medium, the heat exchange between the cold and heat quantity of a refrigerating or heating system and the working medium of the water bath interlayer can be realized, in the cold and heat circulation of the water bath interlayer, the variable speed circulating pump can be used for adjusting the heat exchange speed in the water bath interlayer, the temperature can be quickly increased or stably set, and the temperature control of seawater in the cabin is realized by adjusting the temperature of a cold and heat source water outlet and two variable speed circulating pumps.
Preferably, the seawater is stored in a cold and hot water storage tank, the cold and hot water storage tank is arranged in the temperature control cold and hot water tank, and is equivalent to a built-in interlayer, and the cold and hot water storage tank and the hot water storage tank can meet the water supplementing requirements of different temperature levels in the MECS tank body; according to experimental requirements, when the seawater environment of another sea area needs to be simulated, seawater allocation can be carried out according to the properties of seawater of different sea areas, the allocated seawater is firstly stored in a warm seawater tank and a cold seawater tank, the temperature of the seawater in the inner-layer water storage tank is adjusted by adjusting the temperature of the fresh water at the outer layer of the seawater tank, meanwhile, the temperature of a water body is monitored and controlled in real time and transmitted to a comprehensive control system through arranging temperature sensors in the warm seawater tank and the cold seawater tank, and the temperature of the seawater in the built-in water storage tank is continuously adjusted to the required temperature through circulation of cold and hot fresh water; when the temperature is regulated and controlled properly, the control system can automatically start the electric valve to convey the seawater to the corresponding temperature layer area in the experiment cabin body through the pump to supplement the water bodies with different heights, so that constant-temperature water supplement is realized, the temperature impact on the environment in the cabin body and the microbial system is reduced, and the corresponding balance and stability are kept.
Preferably, the experiment cabin body is divided into four sections, two sections are filled with cold water, two sections are filled with hot water to sequentially form a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, the circulation loop connected by the cold and heat source heat pump unit is divided into two sections, the hot water is connected with the first pipeline and the second pipeline, and the cold water is connected with the third pipeline and the fourth pipeline which are respectively and correspondingly connected, so that hot water or cold water can be conveniently adjusted.
Particularly, the heat source circulation loop comprises a butterfly valve, a heat storage water tank, an electric valve, a filter, a hot water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a branched first pipeline and a branched second pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, wherein the two pipelines are introduced into two sections of the interlayer sheath of the experimental cabin body and flow back to the cold and heat source heat pump unit through a water return port at the other side; the cold source circulation loop comprises a butterfly valve, a cold water storage tank, an electric valve, a filter, a cold water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a branched third pipeline and a branched fourth pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections below an interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port at the other side.
The two circulation loops are matched with the cold and heat source heat pump unit for use, so that the working efficiency is increased, and the system action is accurate.
In summary, the intelligent temperature control system for the marine climate environment simulation platform in the embodiment of the present invention is based on the interaction of multiple functional components, and through a layered cold-hot circulation system of coordinated actions, realizes the split temperature control of the water body in the cabin body, can be applied to the seawater environments in different sea areas, and can monitor and adjust the temperature value according to the changes of other physical parameters, chemical parameters and biological parameters in the cabin body, so as to meet different experimental requirements, provide stable and intelligent temperature control for the experimental cabin body, and perform corresponding dynamic control in the cold-heat source heat pump unit, so as to obtain the optimal temperature simulation effect, which is convenient for the user to operate, and the obtained temperature simulation effect is accurate and reliable.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The details of the present invention are not described in detail, but are known to those skilled in the art.
Claims (4)
1. An intelligent temperature control system for a marine climate environment simulation platform, the control system comprising:
the experimental cabin body is of a double-layer structure, experimental water in the experimental cabin body is seawater, water in an interlayer on the outer side of the experimental cabin body is fresh water, three horizontal transverse partition plates are arranged in the interlayer on the outer side of the experimental cabin body to divide the interlayer on the outer side into four temperature layers, and water sources with different temperatures can be introduced into each temperature layer to control the temperature of the experimental water in the experimental cabin body in a layered mode;
the experimental cabin comprises a cold and heat source heat pump unit circulation assembly, a cold and heat source heat pump unit circulation assembly and a cold and heat source heat pump unit circulation assembly, wherein the cold and heat source heat pump unit circulation assembly is used for forming heat source circulation or cold source circulation in the experimental cabin so as to adjust the temperature of seawater in the experimental cabin and comprises a cold and heat source heat pump unit, a heat source circulation loop and a cold source circulation loop which are arranged in a matched mode;
the constant-temperature water replenishing assembly is used for conveying the seawater subjected to temperature adjustment treatment to a corresponding temperature layer of the experimental cabin body, replenishing water bodies with different heights, realizing constant-temperature water replenishing and reducing temperature impact on the environment in the cabin body and a microbial system, and comprises a warm sea water tank and a cold sea water tank which are arranged in a matched manner;
the data monitoring assembly is used for monitoring the temperature, the pressure and the water delivery flow parameters of an interlayer of the experimental cabin body, the liquid level height parameters in the experimental cabin body, the temperature parameters of water bodies with different heights, the temperature parameters of a warm sea water tank and a cold sea water tank and the liquid level height parameters, and comprises a temperature sensor, a pressure sensor and a flow sensor;
the water temperature control assembly is used for acquiring monitoring data and controlling the variable frequency operation of the heat pump water pump and the opening and closing of the electric valve, and comprises an upper computer, a PLC (programmable logic controller) control cabinet and a variable frequency cabinet;
the experimental cabin body is divided into four sections, two sections are filled with cold water, two sections are filled with hot water, a first pipeline, a second pipeline, a third pipeline and a fourth pipeline are sequentially formed, a circulation loop connected by a cold and heat source heat pump unit is divided into two sections, the hot water is connected with the first pipeline and the second pipeline, and the cold water is connected with the third pipeline and the fourth pipeline;
the heat source circulation loop comprises a butterfly valve, a heat storage water tank, an electric valve, a filter, a hot water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a first branch pipeline and a second branch pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections of the interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port at the other side.
2. The intelligent temperature control system for a marine climate environment simulation platform of claim 1, wherein: the cold and heat source heat pump unit is also provided with a cold water storage tank and a hot water storage tank which are matched with the hot sea water tank and the cold sea water tank to meet the water replenishing requirements of different temperature levels.
3. The intelligent temperature control system for a marine climate environment simulation platform of claim 1, wherein: the cold source circulation loop comprises a butterfly valve, a cold water storage tank, an electric valve, a filter, a cold water pump, a check valve, a butterfly valve, a flow sensor, a temperature sensor, a pressure sensor, an electric valve, a branched third pipeline and a branched fourth pipeline which are arranged at a hot water outlet of the cold and heat source heat pump unit, the two pipelines are introduced into two sections below an interlayer sheath of the experimental cabin body, and flow back to the cold and heat source heat pump unit through a water return port at the other side.
4. The intelligent temperature control system for a marine climate environment simulation platform according to claim 1, wherein: the number of the data monitoring assemblies is 8, detected parameter changes are calculated in the control assembly through data transmission so as to issue commands to a control mechanism in a cold and heat source heat pump unit loop, and real-time monitoring, data transmission and automatic control are achieved.
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