CN102878704B - Detection and control system of solar collector - Google Patents
Detection and control system of solar collector Download PDFInfo
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- CN102878704B CN102878704B CN201210371795.8A CN201210371795A CN102878704B CN 102878704 B CN102878704 B CN 102878704B CN 201210371795 A CN201210371795 A CN 201210371795A CN 102878704 B CN102878704 B CN 102878704B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention discloses a detection and control system of a solar collector. The system comprises a condensation and heat collecting module, a heat conduction oil heat storage module, a multistage heat exchange module, a load module and a power supply and communication control module, wherein the condensation and heat collecting module is bi-directionally communicated with the heat conduction oil heat storage module, the heat conduction oil heat storage module is bi-directionally communicated with the multistage heat exchange module which is bi-directionally communicated with a load, and the power supply and communication control module is bi-directionally communicated with the condensation and heat collecting module, the heat conduction oil heat storage module, the multistage heat exchange module and the load and simultaneously supplies power for the condensation and heat collecting module, the heat conduction oil heat storage module, the multistage heat exchange module and the load module. Besides, bidirectional communication of the condensation and heat collecting module with the heat conduction oil heat storage module, the heat conduction oil heat storage module with the multistage heat exchange module as well as the multistage heat exchange module with the load makes full use of recycle of raw materials. A high-temperature heat conduction oil detection scheme is provided, the transfer process of heat energy is reified, and the heat energy utilization rate of the whole system is increased.
Description
Technical field
The invention belongs to solar thermal applications technical field, be specifically related to a kind of inspection and control system of solar energy heat collector.
Background technology
Along with increase and the increase of people to energy degree of dependence of world population, energy problem has become world's Vital Strategic Problems.For China, energy problem can not be ignored especially.Be subject in recent years the impact of rise in oil price and Global climate change, regenerative resource develops the attention that is day by day subject to international community.In numerous renewable resources, it would be desirable solar energy, compared with other renewable resources, it has inexhaustible advantage.The application of solar energy is very extensive, utilizes two aspects but finally can ascribe solar thermal utilization and light to.
Solar energy heating Detection & Controling are mainly that temperature, the flow of temperature, flow, pressure and water to conduction oil gives Detection & Controling.The particularly detection to conduction oil temperature, must select suitable accurate instrument, can high temperature resistance, anticorrosive.Utilize thermocouple to be detected high temperature heat conductive oil, there is good stability, the advantage such as precision is high, and non-oxidizability is high, low price.Elbow meter in differential pressure flowmeter, for detection of the flow of high temperature heat conductive oil, has high temperature resistant, high pressure, wear-resistant, non-maintaining, the advantage that can work under moist environment.Spring-tube pressure gauge detects the pressure in heat conduction oil tank, avoids the excessive fuel tank explosion that causes of pressure.
Not yet in conjunction with advanced Detection & Controling means, only there are some simple, original metering systems in this field at present, and therefore, its effect is also undesirable, has certain difficulty in the raising for solar thermal utilization rate, even has some potential safety hazards.
In order to overcome the weakness of prior art, the solar energy detection scheme of application of advanced, in conjunction with advanced industrial control technology, proposes a class for solar thermal collection system security of operation, performance optimization, new technology that energy utilization rate is high.This patent has been announced a kind of observation and control technology of solar thermal collection system, and it uses suitable instrument to be detected thermal-arrest and diabatic process parameter, solar thermal utilization is practiced in more load and goes, and improves making full use of of regenerative resource.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of inspection and control system of solar energy heat collector is provided.
The present invention includes light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load blocks, power supply communication control module; Light and heat collection module and conduction oil heat accumulation module diconnected, conduction oil heat accumulation module and multi-stage heat exchanger module diconnected, multi-stage heat exchanger module and load diconnected, power supply communication control module and light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load diconnected are light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load blocks power supply simultaneously; Wherein the diconnected of light and heat collection module and conduction oil heat accumulation module, conduction oil heat accumulation module and multi-stage heat exchanger module, multi-stage heat exchanger module and load has all fully used recycling of raw material.
Light and heat collection module of the present invention, conduction oil heat accumulation module comprise heat accumulator, the first stop valve, first flow transmitter, first flow controller, the first control valve, the first pump, heat conduction oil tank, the first temperature transmitter, the first temperature controller, the first pressure controller, the first pressure transmitter, the second control valve, relief valve, the second temperature controller, the second temperature transmitter, the 3rd control valve.
Heat accumulator one end is connected with first stop valve one end, the first stop valve other end while and first flow transmitter, one end of first flow controller connects, the first flow controller other end is connected with first control valve one end, the first flow transmitter other end is connected with the first control valve other end, the 3rd end of the first control valve is connected with first pump one end, the first pump other end is connected with heat conduction oil tank the first oil-out, first temperature transmitter one end is detected mouth with heat conduction oil tank first and is connected, the first temperature controller other end is connected with one end of the first pressure controller, the other end of the first pressure controller is connected with one end of the second control valve, the 3rd end of the first pressure controller is connected with first pressure transmitter one end, the second control valve other end detects mouth with heat conduction oil tank second and is connected, the first pressure transmitter other end is connected with the second control valve the 3rd end, heat conduction oil tank high temperature oil entrance is connected with the second temperature transmitter, second temperature controller one end, the second temperature controller other end is connected with the 3rd control valve one end, the 3rd control valve other end is connected with the heat accumulator other end, the 3rd control valve the 3rd end is connected with the second temperature transmitter other end, and relief valve detects mouth with heat conduction oil tank the 3rd and is connected,
Multi-stage heat exchanger module, load blocks comprise the second pump, the 3rd temperature transmitter, the 3rd temperature controller, the second stop valve, second transmitter, second amount controller, the 4th control valve, the 3rd stop valve, the 3rd pump, load, the 5th control valve, the 3rd flow controller, the 3rd flow transmitter, the 4th temperature controller, the 4th temperature transmitter, heat exchanger.
Heat conduction oil tank the second oil-out is connected with second pump one end, the second pump other end is connected with the 3rd temperature transmitter one end, the 3rd temperature transmitter other end is connected with the 3rd temperature controller one end, the 3rd temperature controller other end is connected with second stop valve one end, the second stop valve other end while and second transmitter, one end of second amount controller connects, the second amount controller other end is connected with the 4th control valve one end, the second transmitter other end is connected with the 4th control valve other end, the 4th control valve the 3rd end is connected with heat exchanger the first deep fat entrance, heat exchanger the first hot water outlet is connected with the 4th temperature transmitter one end, the 4th temperature transmitter other end is connected with the 4th temperature controller one end, the 4th temperature controller other end while and the 3rd flow controller, the 3rd flow transmitter one end connects, the 3rd flow controller other end is connected with the 5th control valve one end, the 3rd flow transmitter other end is connected with the 5th control valve other end, the 5th control valve the 3rd end is connected with load one end, the load other end is connected with the 3rd pump one end, the 3rd pump other end is connected with the 3rd stop valve one end, the 3rd stop valve other end is connected with heat exchanger the first cold water inlet, heat exchanger the first cold oil outlet is connected with heat conduction oil tank oil-in end.
Power supply communication control module comprises thermal-arrest physical quantity detecting unit, heat exchange physical quantity detecting unit, multiplexer, A/D converting unit, microprocessor, D/A converting unit, PLC control module, digital communication unit, LED display unit, warning processing unit.Thermal-arrest physical quantity detecting unit specifically comprises the first thermocouple, the second thermocouple, first flow meter, the first pressure gauge; Heat exchange physical quantity detecting unit specifically comprises three thermocouple, the 4th thermocouple, the second flowmeter, the 3rd flowmeter.
Entrance oil temperature, outlet oil temperature, entrance oil flow, the interior pressure of oil tank that the detected object of described thermal-arrest physical quantity detecting unit is heat accumulator; Entrance oil temperature, outlet water temperature, entrance oil flow, outlet discharge that the detected object of heat exchange physical quantity detecting unit is heat exchanger;
One end of the first thermocouple of thermal-arrest physical quantity detecting unit is connected with heat accumulator entrance oil temperature test side, one end of the second thermocouple is connected with heat accumulator outlet oil temperature test side, one end of first flow meter is connected with heat accumulator entrance oil flow detection end, and first manometric one end is detected a mouthful end with second of heat conduction oil tank and is connected; One end of the three thermocouple of heat exchange physical quantity detecting unit is connected with the first deep fat arrival end of heat exchanger detects entrance oil temperature, one end of the 4th thermocouple is connected and detects saliva temperature with the first hot water outlet end of heat exchanger, one end of the second flowmeter is connected with the first deep fat arrival end of heat exchanger detects entrance oil flow, and one end of the 3rd flowmeter is connected and detects saliva flow with the first hot water outlet end of heat exchanger; Simultaneously, the other end of the first thermocouple, the second thermocouple, first flow meter, the first pressure gauge, three thermocouple, the 4th thermocouple, the second flowmeter, the 3rd flowmeter is all connected with multiplexer, multiplexer is connected with A/D converting unit, A/D converting unit is connected with microprocessor, D/A converting unit, digital communication unit, LED display unit, warning processing unit are all connected with microprocessor, PLC control module and D A converting unit be connected.
Beneficial effect of the present invention is as follows:
(1) for the physical quantity of solar energy heating and fluid heat transfer process provides concrete detection scheme, wherein, typically provide high temperature heat conductive oil detection scheme, comprised the detection of conduction oil flow, pressure;
(2) for providing corresponding PLC, the physical quantity of solar energy heating and fluid heat transfer process controls;
(3) system layout rationally, compact, there is very strong extendibility, can make corresponding expansion for the application of thermal-arrest, can apply and generating, desalinization, water heater etc.
Therefore, the present invention provides specific and comprehensive feasible scheme for the parameter detecting of solar energy heating process, for the engineering construction scheme of solar energy heating measurement and control system has been built platform, the transmittance process of heat energy is specialized, improve the heat utilization rate of whole system.
Brief description of the drawings
Fig. 1 is schematic block diagram of the present invention.
Fig. 2 is part of module principle schematic in the present invention.
Fig. 3 is multi-stage heat exchanger module principle schematic diagram of the present invention.
Fig. 4 is power supply communication control module schematic block diagram of the present invention.
In figure, heat accumulator 1, the first stop valve 2, first flow transmitter 3, first flow controller 4, the first control valve 5, the first pump 6, heat conduction oil tank 7, the first temperature transmitter 8, the first temperature controller 9, the first pressure controller 10, the first pressure transmitter 11, the second control valve 12, relief valve 13, the second temperature controller 14, the second temperature transmitter 15, the 3rd control valve 16, the second pump 17, the 3rd temperature transmitter 18, the 3rd temperature controller 19, the second stop valve 20, second transmitter 21, second amount controller 22, the 4th control valve 23, the 3rd stop valve 24, the 3rd pump 25, load 26, the 5th control valve 27, the 3rd flow controller 28, the 3rd flow transmitter 29, the 4th temperature controller 30, the 4th temperature transmitter 31, heat exchanger 32.
Detailed description of the invention
Be described further below in conjunction with the present invention.
As shown in Figure 1, a kind of inspection and control system of solar energy heat collector, comprises light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load blocks, power supply communication control module; Light and heat collection module and conduction oil heat accumulation module diconnected, conduction oil heat accumulation module and multi-stage heat exchanger module diconnected, multi-stage heat exchanger module and load diconnected, power supply communication control module and light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load diconnected are light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load blocks power supply simultaneously; Wherein the diconnected of light and heat collection module and conduction oil heat accumulation module, conduction oil heat accumulation module and multi-stage heat exchanger module, multi-stage heat exchanger module and load has all fully used recycling of raw material.
Power supply communication control module is light and heat collection module for power supply, drives the operation of solar energy heating groove, and light and heat collection module is to the heat-conducting oil heating in heat conduction oil tank, detects temperature and the flow parameter of conduction oil in heating process and feeds back in power supply communication control module; The conduction oil that is heated to uniform temperature is stored in conduction oil heat accumulation module, detects temperature and the pressure parameter of conduction oil heat accumulation module and feeds back in power supply communication control module; Power supply communication control module is powered to multi-stage heat exchanger module simultaneously, and the heat energy of storage enters into multi-stage heat exchanger module, detects temperature and the flow parameter in heat transfer process and feeds back in power supply communication control module; Heat energy through multi-stage heat exchanger module is applied to corresponding load, realizes solar energy heating application.
As shown in Figure 2, light and heat collection module of the present invention, conduction oil heat accumulation module comprise heat accumulator 1, the first stop valve 2, first flow transmitter 3, first flow controller 4, the first control valve 5, the first pump 6, heat conduction oil tank 7, the first temperature transmitter 8, the first temperature controller 9, the first pressure controller 10, the first pressure transmitter 11, the second control valve 12, relief valve 13, the second temperature controller 14, the second temperature transmitter 15, the 3rd control valve 16.
Heat accumulator 1 one end is connected with first stop valve 2 one end, the first 2 other ends whiles and first flow transmitter 3 of stop valve, one end of first flow controller 4 connects, first flow controller 4 other ends are connected with first control valve 5 one end, first flow transmitter 3 other ends are connected with first control valve 5 other ends, the 3rd end of the first control valve 5 is connected with first pump 6 one end, first pump 6 other ends are connected with heat conduction oil tank 7 first oil-outs, first temperature transmitter 8 one end are detected mouth with heat conduction oil tank 7 first and are connected, first temperature transmitter 8 other ends are connected with first temperature controller 9 one end, first temperature controller 9 other ends are connected with one end of the first pressure controller 10, the other end of the first pressure controller 10 is connected with one end of the second control valve 12, the 3rd end of the first pressure controller 10 is connected with first pressure transmitter 11 one end, second control valve 12 other ends detect mouth with heat conduction oil tank 7 second and are connected, first pressure transmitter 11 other ends are connected with the second control valve 12 the 3rd end, heat conduction oil tank 7 high temperature oil entrances are connected with the second temperature transmitter 15, second temperature controller 14 one end, second temperature controller 14 other ends are connected with the 3rd control valve 16 one end, the 3rd control valve 16 other ends are connected with heat accumulator 1 other end, the 3rd control valve 16 the 3rd end is connected with second temperature transmitter 15 other ends, and relief valve 13 detects mouth with heat conduction oil tank 7 the 3rd and is connected,
Before heating conduction oil, first of heat conduction oil tank 7 detects a mouthful end and detects oil temperature, the first pressure controller 10 and the first pressure transmitter 11 for first flow transmitter 3 and first flow controller 4 and detect oil pressure, in heating process afterwards, when the each circulating-heating of conduction oil, all give and detect oil temperature and oil pressure, suitable time, give pressure release, prevent pressure excessive cause heat conduction oil tank expand blast; Conduction oil, by the first pump 6 pipeline of flowing through, carries out flow detection and control by the first flow transmitter between the first stop valve and the first control valve and first flow controller to conduction oil; Heat accumulator is heated conduction oil; Conduction oil after heating through the 3rd control valve by the second temperature transmitter and the second temperature controller Detection & Controling oil temperature; By circulating-heating, make the oil temperature in heat conduction oil tank maintain 350 DEG C of left and right as far as possible.
As shown in Figure 3, multi-stage heat exchanger module, load blocks comprise the second pump 17, the 3rd temperature transmitter 18, the 3rd temperature controller 19, the second stop valve 20, second transmitter 21, second amount controller 22, the 4th control valve 23, the 3rd stop valve 24, the 3rd pump 25, load 26, the 5th control valve 27, the 3rd flow controller 28, the 3rd flow transmitter 29, the 4th temperature controller 30, the 4th temperature transmitter 31, heat exchanger 32.
Heat conduction oil tank 7 second oil-outs are connected with second pump 17 one end, second pump 17 other ends are connected with the 3rd temperature transmitter 18 one end, the 3rd temperature transmitter 18 other ends are connected with the 3rd temperature controller 19 one end, the 3rd temperature controller 19 other ends are connected with second stop valve 20 one end, the second 20 other ends whiles and second transmitter 21 of stop valve, one end of second amount controller 22 connects, second amount controller 22 other ends are connected with the 4th control valve 23 one end, second transmitter 21 other ends are connected with the 4th control valve 23 other ends, the 4th control valve 23 the 3rd end is connected with heat exchanger 32 first deep fat arrival ends, heat exchanger 32 first hot water outlets are connected with the 4th temperature transmitter 31 one end, the 4th temperature transmitter 31 other ends are connected with the 4th temperature controller 30 one end, the 4th 30 other ends whiles and the 3rd flow controller 28 of temperature controller, the 3rd flow transmitter 29 one end connect, the 3rd flow controller 28 other ends are connected with the 5th control valve 27 one end, the 3rd flow transmitter 29 other ends are connected with the 5th control valve 27 other ends, the 5th control valve 27 the 3rd end is connected with load 26 one end, load 26 other ends are connected with the 3rd pump 25 one end, the 3rd pump 25 other ends are connected with the 3rd stop valve 24 one end, the 3rd stop valve 24 other ends are connected with heat exchanger 32 first cold water inlets, heat exchanger 32 first cold oil outlets are connected with heat conduction oil tank 7 oil-in ends.
After the oil temperature in heat conduction oil tank 7 is heated to a certain degree, by the second pump 17 pipeline of flowing through, by the 3rd temperature transmitter 18, the 3rd temperature controller 19 between the second pump 17 and the second stop valve 20, conduction oil is carried out to temperature detection and control; By second transmitter 21, second amount controller 22 between the second stop valve 20 and the 4th control valve 23, conduction oil is carried out to flow detection and control, enter into heat exchanger 32 and carry out multi-stage heat exchanger, the low temperature conduction oil after heat exchange is by getting back in conduction oil tank and recycle through pipeline; Running water in load by the 3rd pump 25 by entering heat exchanger the first cold water inlet and high temperature heat conductive oil heat exchange through the 3rd stop valve 24; High-temperature water after heat exchange is by the 4th temperature controller 30, the 4th temperature transmitter 31 Detection & Controling water temperatures, by the flow of the 3rd flow controller 28, the 3rd flow transmitter 29 Detection & Controling water; High-temperature water after heat exchange enters respective load, fully uses heat energy, and water at low temperature, by getting back to load through pipeline, realizes recycling of water.
As shown in Figure 4, power supply communication control module schematic block diagram comprises thermal-arrest physical quantity detecting unit, heat exchange physical quantity detecting unit, multiplexer, A/D converting unit, microprocessor, D/A converting unit, PLC control module, digital communication unit, LED display unit, warning processing unit.Thermal-arrest physical quantity detecting unit specifically comprises the first thermocouple, the second thermocouple, first flow meter, the first pressure gauge; Heat exchange physical quantity detecting unit specifically comprises three thermocouple, the 4th thermocouple, the second flowmeter, the 3rd flowmeter.
Entrance oil temperature, outlet oil temperature, entrance oil flow, the interior pressure of oil tank that the detected object of described thermal-arrest physical quantity detecting unit is heat accumulator; The detected object of heat exchange physical quantity detecting unit is entrance oil temperature, outlet water temperature, entrance oil flow, the outlet discharge of heat exchanger 32;
One end of the first thermocouple of thermal-arrest physical quantity detecting unit is connected with heat accumulator entrance oil temperature test side, one end of the second thermocouple is connected with heat accumulator outlet oil temperature test side, one end of first flow meter is connected with heat accumulator entrance oil flow detection end, and first manometric one end is detected a mouthful end with second of heat conduction oil tank 7 and is connected; One end of the three thermocouple of heat exchange physical quantity detecting unit is connected with the first deep fat arrival end of heat exchanger 32 detects entrance oil temperature, one end of the 4th thermocouple is connected and detects saliva temperature with the first hot water outlet end of heat exchanger 32, one end of the second flowmeter is connected with the first deep fat arrival end of heat exchanger 32 detects entrance oil flow, and one end of the 3rd flowmeter is connected and detects saliva flow with the first hot water outlet end of heat exchanger 32; Simultaneously, the other end of the first thermocouple, the second thermocouple, first flow meter, the first pressure gauge, three thermocouple, the 4th thermocouple, the second flowmeter, the 3rd flowmeter is all connected with multiplexer, multiplexer is connected with A/D converting unit, A/D converting unit is connected with microprocessor, D/A converting unit, digital communication unit, LED display unit, warning processing unit are all connected with microprocessor, PLC control module and D A converting unit be connected.
Wherein, first, second, third and fourth thermocouple detects oil temperature and water temperature as temperature sensor, is equipped with specific temperature transmitter and gives signal transmission, further temperature parameter is controlled.First, second and third flowmeter detects oily flow and discharge as flow sensor, is equipped with specific flow transmitter and gives signal transmission, further flow parameter is controlled.The first pressure gauge detects the oil pressure in heat conduction oil tank as pressure sensor, is equipped with specific flow transmitter and gives signal transmission, further pressure parameter is controlled.Temperature, pressure, flow signal are converted into after controllable analog signal, carry out A/D conversion in A/D converting unit, microprocessor gives respective handling to cognizable data signal, LED display unit shows the detection signal of current collection, the corresponding high pressure of warning processing unit processes, high temperature, digital communication unit is monitored in real time to detection signal, and becomes the cognizable signal of corresponding PLC control module to be controlled by D/A converting unit.
Claims (1)
1. an inspection and control system for solar energy heat collector, comprises light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load blocks, power supply communication control module, it is characterized in that:
Light and heat collection module and conduction oil heat accumulation module diconnected, conduction oil heat accumulation module and multi-stage heat exchanger module diconnected, multi-stage heat exchanger module and load diconnected, power supply communication control module and light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load diconnected are light and heat collection module, conduction oil heat accumulation module, multi-stage heat exchanger module, load blocks power supply simultaneously;
Described light and heat collection module, conduction oil heat accumulation module comprise heat accumulator, the first stop valve, first flow transmitter, first flow controller, the first control valve, the first pump, heat conduction oil tank, the first temperature transmitter, the first temperature controller, the first pressure controller, the first pressure transmitter, the second control valve, relief valve, the second temperature controller, the second temperature transmitter, the 3rd control valve;
Heat accumulator one end is connected with first stop valve one end, the first stop valve other end while and first flow transmitter, one end of first flow controller connects, the first flow controller other end is connected with first control valve one end, the first flow transmitter other end is connected with the first control valve other end, the 3rd end of the first control valve is connected with first pump one end, the first pump other end is connected with heat conduction oil tank the first oil-out, first temperature transmitter one end is detected mouth with heat conduction oil tank first and is connected, the first temperature transmitter other end is connected with first temperature controller one end, the first temperature controller other end is connected with one end of the first pressure controller, the other end of the first pressure controller is connected with one end of the second control valve, the 3rd end of the first pressure controller is connected with first pressure transmitter one end, the second control valve other end detects mouth with heat conduction oil tank second and is connected, the first pressure transmitter other end is connected with the second control valve the 3rd end, heat conduction oil tank high temperature oil entrance is connected with the second temperature transmitter, second temperature controller one end, the second temperature controller other end is connected with the 3rd control valve one end, the 3rd control valve other end is connected with the heat accumulator other end, the 3rd control valve the 3rd end is connected with the second temperature transmitter other end, and relief valve detects mouth with heat conduction oil tank the 3rd and is connected,
Described multi-stage heat exchanger module, load blocks comprises the second pump, the 3rd temperature transmitter, the 3rd temperature controller, the second stop valve, second transmitter, second amount controller, the 4th control valve, the 3rd stop valve, the 3rd pump, load, the 5th control valve, the 3rd flow controller, the 3rd flow transmitter, the 4th temperature controller, the 4th temperature transmitter, heat exchanger;
Heat conduction oil tank the second oil-out is connected with second pump one end, the second pump other end is connected with the 3rd temperature transmitter one end, the 3rd temperature transmitter other end is connected with the 3rd temperature controller one end, the 3rd temperature controller other end is connected with second stop valve one end, the second stop valve other end while and second transmitter, one end of second amount controller connects, the second amount controller other end is connected with the 4th control valve one end, the second transmitter other end is connected with the 4th control valve other end, the 4th control valve the 3rd end is connected with heat exchanger the first deep fat entrance, heat exchanger the first hot water outlet is connected with the 4th temperature transmitter one end, the 4th temperature transmitter other end is connected with the 4th temperature controller one end, the 4th temperature controller other end while and the 3rd flow controller, the 3rd flow transmitter one end connects, the 3rd flow controller other end is connected with the 5th control valve one end, the 3rd flow transmitter other end is connected with the 5th control valve other end, the 5th control valve the 3rd end is connected with load one end, the load other end is connected with the 3rd pump one end, the 3rd pump other end is connected with the 3rd stop valve one end, the 3rd stop valve other end is connected with heat exchanger the first cold water inlet, heat exchanger the first cold oil outlet is connected with heat conduction oil tank oil-in end,
Described power supply communication control module comprises thermal-arrest physical quantity detecting unit, heat exchange physical quantity detecting unit, multiplexer, A/D converting unit, microprocessor, D/A converting unit, PLC control module, digital communication unit, LED display unit, warning processing unit; Thermal-arrest physical quantity detecting unit specifically comprises the first thermocouple, the second thermocouple, first flow meter, the first pressure gauge; Heat exchange physical quantity detecting unit specifically comprises three thermocouple, the 4th thermocouple, the second flowmeter, the 3rd flowmeter;
Entrance oil temperature, outlet oil temperature, entrance oil flow, the interior pressure of oil tank that the detected object of described thermal-arrest physical quantity detecting unit is heat accumulator; Entrance oil temperature, outlet water temperature, entrance oil flow, outlet discharge that the detected object of heat exchange physical quantity detecting unit is heat exchanger;
One end of the first thermocouple of thermal-arrest physical quantity detecting unit is connected with heat accumulator entrance oil temperature test side, one end of the second thermocouple is connected with heat accumulator outlet oil temperature test side, one end of first flow meter is connected with heat accumulator entrance oil flow detection end, and first manometric one end is detected a mouthful end with second of heat conduction oil tank and is connected; One end of the three thermocouple of heat exchange physical quantity detecting unit is connected with the first deep fat arrival end of heat exchanger detects entrance oil temperature, one end of the 4th thermocouple is connected and detects saliva temperature with the first hot water outlet end of heat exchanger, one end of the second flowmeter is connected with the first deep fat arrival end of heat exchanger detects entrance oil flow, and one end of the 3rd flowmeter is connected and detects saliva flow with the first hot water outlet end of heat exchanger; Simultaneously, the other end of the first thermocouple, the second thermocouple, first flow meter, the first pressure gauge, three thermocouple, the 4th thermocouple, the second flowmeter, the 3rd flowmeter is all connected with multiplexer, multiplexer is connected with A/D converting unit, A/D converting unit is connected with microprocessor, D/A converting unit, digital communication unit, LED display unit, warning processing unit are all connected with microprocessor, PLC control module and D A converting unit be connected.
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| CN110526317B (en) * | 2019-08-21 | 2022-02-15 | 江苏大学 | Solar seawater desalination device |
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| CN102353158A (en) * | 2011-07-26 | 2012-02-15 | 山东省电力学校 | Constant temperature control method and device for water heater |
| CN102444997B (en) * | 2011-12-21 | 2013-03-06 | 华中师范大学 | Solar heat utilization thermostatical control system based on flow control |
| CN202792628U (en) * | 2012-09-28 | 2013-03-13 | 杭州电子科技大学 | Test and control system of solar energy gather device |
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2012
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