CN102878704A - Detection and control system of solar collector - Google Patents
Detection and control system of solar collector Download PDFInfo
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- CN102878704A CN102878704A CN2012103717958A CN201210371795A CN102878704A CN 102878704 A CN102878704 A CN 102878704A CN 2012103717958 A CN2012103717958 A CN 2012103717958A CN 201210371795 A CN201210371795 A CN 201210371795A CN 102878704 A CN102878704 A CN 102878704A
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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 the 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 the increase of world population and the people increase to energy degree of dependence, energy problem has become world's Vital Strategic Problems.For China, energy problem can not be ignored especially.Be subjected in recent years the impact of rise in oil price and Global climate change, the regenerative resource development and use are subject to the attention of international community day by day.In numerous renewable resources, it would be desirable solar energy, to compare 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.
The solar energy heating Detection ﹠ Controling mainly are that temperature, the flow of temperature, flow, pressure and water to conduction oil gives Detection ﹠ Controling.Particularly to the detection of conduction oil temperature, must select suitable accurate instrument, can high temperature resistance, anticorrosive.Utilize thermocouple that high temperature heat conductive oil is detected, have good stability, precision is high, and non-oxidizability is high, the advantages such as low price.Elbow meter in the differential pressure flowmeter has high temperature resistant, high pressure, wear-resistant, non-maintaining, the advantage that can work for detection of the flow of high temperature heat conductive oil under the environment of humidity.Spring-tube pressure gauge detects the pressure in the heat conduction oil tank, avoids the excessive fuel tank explosion that causes of pressure.
Only there are some simple, original metering systems in this field not yet in conjunction with advanced Detection ﹠ Controling means at present, and therefore, its effect is also undesirable, and certain difficulty is arranged in the raising for the 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 that thermal-arrest and diabatic process parameter are detected, and solar thermal utilization is practiced in the more load goes, and improves taking full advantage of of regenerative resource.
Summary of the invention
The objective 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 the 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 the first stop valve one end, 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 the 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 the first pump one end, the first pump other end is connected with heat conduction oil tank the first oil-out, the first temperature transmitter one end detects mouth with heat conduction oil tank first and is connected, the first temperature transmitter other end is connected with the first temperature controller one end, first temperature controller other end while and the first pressure controller, one end of the second control valve connects, the second control valve other end detects mouth with heat conduction oil tank second and is connected, the first pressure controller other end is connected with the first pressure transmitter one end, the first pressure transmitter other end is connected with the second control valve the 3rd end, heat conduction oil tank high temperature oil entrance and the second temperature transmitter, the second temperature controller one end connects, 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 the 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 the second stop valve one end, 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, and 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, and the outlet of heat exchanger the first cold oil is connected with heat conduction oil tank oil-in end.
The 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.
The detected object of described thermal-arrest physical quantity detecting unit is entrance oil temperature, outlet oil temperature, entrance oil flow, the interior pressure of oil tank of 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;
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 a manometric end detects 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 detection entrance oil temperature with the first deep fat arrival end of heat exchanger, one end of the 4th thermocouple is connected with the first hot water outlet end of heat exchanger and detects the saliva temperature, one end of the second flowmeter is connected with the first deep fat arrival end of heat exchanger and detects entrance oil flow, and an end of the 3rd flowmeter is connected with the first hot water outlet end of heat exchanger and detects the saliva flow; 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 all is connected with multiplexer, multiplexer is connected with the A/D converting unit, the A/D converting unit is connected with microprocessor, D/A converting unit, digital communication unit, led display unit, warning processing unit all are connected with microprocessor, PLC control module and D the A converting unit be connected.
Beneficial effect of the present invention is as follows:
(1) physical quantity for solar energy heating and fluid heat transfer process provides concrete detection scheme, wherein, has typically provided the high temperature heat conductive oil detection scheme, comprises the detection of conduction oil flow, pressure;
(2) physical quantity for solar energy heating and fluid heat transfer process provides corresponding PLC control;
(3) system layout rationally, compact, have very strong extendibility, can make corresponding expansion for the application of thermal-arrest, can use 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, improved the heat utilization rate of whole system.
Description of drawings
Fig. 1 is schematic block diagram of the present invention.
Fig. 2 is part of module principle schematic among 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.
Among the 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.
The specific embodiment
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 the recycling of raw material.
The power supply communication control module is the light and heat collection module for power supply, drives the operation of solar energy heating groove, and the light and heat collection module is to the heat-conducting oil heating in the heat conduction oil tank, detect conduction oil in heating process temperature and flow parameter and feed back in the power supply communication control module; The conduction oil that is heated to uniform temperature is stored in conduction oil heat accumulation module, and temperature and the pressure parameter of detection conduction oil heat accumulation module also feeds back in the power supply communication control module; The power supply communication control module is powered to the multi-stage heat exchanger module simultaneously, and the heat energy of storage enters into the multi-stage heat exchanger module, and temperature and the flow parameter in the detection heat transfer process also feeds back in the power supply communication control module; Heat energy through the multi-stage heat exchanger module is applied to corresponding load, realizes the 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 ends are connected with the first stop valve 2 one ends, the first stop valve 2 other ends while and first flow transmitter 3, one end of first flow controller 4 connects, first flow controller 4 other ends are connected with the first control valve 5 one ends, first flow transmitter 3 other ends are connected with the first control valve 5 other ends, the 3rd end of the first control valve 5 is connected with the first pump 6 one ends, the first pump 6 other ends are connected with heat conduction oil tank 7 first oil-outs, the first temperature transmitter 8 one ends detect mouth with heat conduction oil tank 7 first and are connected, the first temperature transmitter 8 other ends are connected with the first temperature controller 9 one ends, the first temperature controller 9 other ends while and the first pressure controller 10, one end of the second control valve 12 connects, the second control valve 12 other ends detect mouth with heat conduction oil tank 7 second and are connected, the first pressure controller 10 other ends are connected with the first pressure transmitter 11 1 ends, the 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 and the second temperature transmitter 15, the second temperature controller 14 1 ends connect, the second temperature controller 14 other ends are connected with the 3rd control valve 16 1 ends, 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 the second temperature transmitter 15 other ends, and relief valve 13 detects mouth with heat conduction oil tank 7 the 3rd and is connected;
Before the heating conduction oil, first of heat conduction oil tank 7 detects mouthful end and detects oil pressure for first flow transmitter 3 and first flow controller 4 detection oil temperatures, the first pressure controller 10 and the first pressure transmitter 11, in the heating process afterwards, all give during the each circulating-heating of conduction oil and detect oil temperature and oil pressure, give pressure release in the time of suitable, prevent that pressure is excessive and cause the blast of expanding of heat conduction oil tank; Conduction oil 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 by the first pump 6 pipeline of flowing through; Heat accumulator is heated conduction oil; Conduction oil after the heating through the 3rd control valve by the second temperature transmitter and the second temperature controller Detection ﹠ Controling oil temperature; By circulating-heating, the oil temperature in the heat conduction oil tank is maintained about 350 ℃ 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 the second pump 17 1 ends, the second pump 17 other ends are connected with the 3rd temperature transmitter 18 1 ends, the 3rd temperature transmitter 18 other ends are connected with the 3rd temperature controller 19 1 ends, the 3rd temperature controller 19 other ends are connected with the second stop valve 20 1 ends, the second stop valve 20 other ends while and second transmitter 21, one end of second amount controller 22 connects, second amount controller 22 other ends are connected with the 4th control valve 23 1 ends, second transmitter 21 other ends are connected with the 4th control valve 23 other ends, and 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 1 ends, the 4th temperature transmitter 31 other ends are connected with the 4th temperature controller 30 1 ends, the 4th temperature controller 30 other ends while and the 3rd flow controller 28, the 3rd flow transmitter 29 1 ends connect, the 3rd flow controller 28 other ends are connected with the 5th control valve 27 1 ends, 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 1 ends, load 26 other ends are connected with the 3rd pump 25 1 ends, the 3rd pump 25 other ends are connected with the 3rd stop valve 24 1 ends, the 3rd stop valve 24 other ends are connected with heat exchanger 32 first cold water inlets, and the outlet of heat exchanger 32 first cold oil is connected with heat conduction oil tank 7 oil-in ends.
After the oil temperature in the heat conduction oil tank 7 is heated to a certain degree, by the second pump 17 pipeline of flowing through, carry out temperature detection and control by the 3rd temperature transmitter 18 between the second pump 17 and the second stop valve 20,19 pairs of conduction oils of the 3rd temperature controller; Carry out flow detection and control by the 22 pairs of conduction oils of second transmitter 21, second amount controller between the second stop valve 20 and the 4th control valve 23, enter into heat exchanger 32 and carry out multi-stage heat exchanger, the low temperature conduction oil after the heat exchange is recycling by getting back in the conduction oil tank through pipeline; Running water in the 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 the 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 the heat exchange enters respective load, fully uses heat energy, and water at low temperature then by getting back to load through pipeline, realizes the water circuit utilization.
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.
The detected object of described thermal-arrest physical quantity detecting unit is entrance oil temperature, outlet oil temperature, entrance oil flow, the interior pressure of oil tank of 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 a manometric end detects 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 detection entrance oil temperature with the first deep fat arrival end of heat exchanger 32, one end of the 4th thermocouple is connected with the first hot water outlet end of heat exchanger 32 and detects the saliva temperature, one end of the second flowmeter is connected with the first deep fat arrival end of heat exchanger 32 and detects entrance oil flow, and an end of the 3rd flowmeter is connected with the first hot water outlet end of heat exchanger 32 and detects the saliva flow; 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 all is connected with multiplexer, multiplexer is connected with the A/D converting unit, the A/D converting unit is connected with microprocessor, D/A converting unit, digital communication unit, led display unit, warning processing unit all are connected with microprocessor, PLC control module and D the 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 the 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 the signal transmission, further flow parameter is controlled.The first pressure gauge detects the oil pressure in the heat conduction oil tank as pressure sensor, is equipped with specific flow transmitter and gives the signal transmission, further pressure parameter is controlled.After temperature, pressure, flow signal be converted into controllable analog signal, carry out the A/D conversion in the 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 to the detection signal Real Time Monitoring, and becomes the cognizable signal of corresponding PLC control module to be controlled by the D/A converting unit.
Claims (1)
1. the inspection and control system of a 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 the first stop valve one end, 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 the 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 the first pump one end, the first pump other end is connected with heat conduction oil tank the first oil-out, the first temperature transmitter one end detects mouth with heat conduction oil tank first and is connected, the first temperature transmitter other end is connected with the first temperature controller one end, first temperature controller other end while and the first pressure controller, one end of the second control valve connects, the second control valve other end detects mouth with heat conduction oil tank second and is connected, the first pressure controller other end is connected with the first pressure transmitter one end, the first pressure transmitter other end is connected with the second control valve the 3rd end, heat conduction oil tank high temperature oil entrance and the second temperature transmitter, the second temperature controller one end connects, 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 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 the 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 the second stop valve one end, 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, and 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, and the outlet of heat exchanger the first cold oil 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;
The detected object of described thermal-arrest physical quantity detecting unit is entrance oil temperature, outlet oil temperature, entrance oil flow, the interior pressure of oil tank of 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;
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 a manometric end detects 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 detection entrance oil temperature with the first deep fat arrival end of heat exchanger, one end of the 4th thermocouple is connected with the first hot water outlet end of heat exchanger and detects the saliva temperature, one end of the second flowmeter is connected with the first deep fat arrival end of heat exchanger and detects entrance oil flow, and an end of the 3rd flowmeter is connected with the first hot water outlet end of heat exchanger and detects the saliva flow; 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 all is connected with multiplexer, multiplexer is connected with the A/D converting unit, the A/D converting unit is connected with microprocessor, D/A converting unit, digital communication unit, led display unit, warning processing unit all are connected with microprocessor, PLC control module and D the A converting unit be connected.
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| CN201210371795.8A CN102878704B (en) | 2012-09-28 | 2012-09-28 | Detection and control system of solar collector |
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| CN201210371795.8A CN102878704B (en) | 2012-09-28 | 2012-09-28 | Detection and control system of solar collector |
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| CN103105813A (en) * | 2013-02-04 | 2013-05-15 | 杭州电子科技大学 | Solar energy hot water engineering monitoring and controlling device |
| CN103277856A (en) * | 2013-05-28 | 2013-09-04 | 中国科学院广州能源研究所 | Solar seasonal cold and hot combined air conditioning system |
| CN105371509A (en) * | 2015-11-23 | 2016-03-02 | 中国东方电气集团有限公司 | Heat tank control device, combined with weather prediction data, of groove type solar thermal electric power generation system |
| CN105444437A (en) * | 2015-11-23 | 2016-03-30 | 中国东方电气集团有限公司 | Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station |
| CN110526317A (en) * | 2019-08-21 | 2019-12-03 | 江苏大学 | A kind of solar energy sea water desalination apparatus |
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| CN105444437A (en) * | 2015-11-23 | 2016-03-30 | 中国东方电气集团有限公司 | Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station |
| CN105371509B (en) * | 2015-11-23 | 2017-05-31 | 中国东方电气集团有限公司 | The hot tank control device of slot type solar-thermal generating system combination weather forecasting data |
| CN105444437B (en) * | 2015-11-23 | 2017-05-31 | 中国东方电气集团有限公司 | The light field flow rate of molten salt of slot type light thermo-power station with defocus regulation cooperative control device |
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