CN203116325U - Intelligent control solar water heater based on multiple sensors - Google Patents
Intelligent control solar water heater based on multiple sensors Download PDFInfo
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- CN203116325U CN203116325U CN2013201001229U CN201320100122U CN203116325U CN 203116325 U CN203116325 U CN 203116325U CN 2013201001229 U CN2013201001229 U CN 2013201001229U CN 201320100122 U CN201320100122 U CN 201320100122U CN 203116325 U CN203116325 U CN 203116325U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model provides an intelligent control solar water heater based on multiple sensors. The intelligent control solar water heater based on the multiple sensors comprises a heat collector, temperature sensors, a sunlight sensor, a flow sensor, a flow controller and a central controller. A water inlet of the heat collector is communicated with an external water source through a pipeline; the temperature sensors are respectively placed on the water inlet and a water outlet of the heat collector; the sunlight sensor is placed on the heat absorption portion of the heat collector; the flow sensor and the flow controller are placed on a connecting pipeline of the water inlet and the external water source; the central controller comprises an adjustment unit; and the adjustment unit generates an adjustment signal controlling the flow controller according measuring values of the temperature sensors, the sunlight sensor and the flow sensor in order to change the flow of water flowed to the corresponding heat collector and ensure that the temperature of fluid in the heat collector keeps constant. The intelligent control solar water heater based on the multiple sensors can keep the outlet water temperature constant by controlling the flow.
Description
Technical field
The utility model belongs to field of solar energy, relates in particular to a kind of Based Intelligent Control solar water heater based on multisensor.
Background technology
Solar energy has advantages such as the unrivaled non-environmental-pollution of other energy, no potential safety hazard as a kind of regenerative resource of cleaning.Along with the growing tension of electricity consumption in all parts of the country, usefulness gas, solar water heater more and more is subjected to people's favor.
Traditional solar water heater is installed in the roof of building with thermal-collecting tube and water tank, and the heat that thermal-collecting tube absorbs the sun raises water temperature, and hot water is laid in water tank, and in the time of needs, hot water is introduced indoor, for people to use by the hot-water line of open air.In summer, because light application time is long, intensity is high, cause the interior water temperature of water tank too high, hot water can not directly use, and needs to rely on hot-water line to be connected with running water pipe, is regulated the height of water temperature by mixing valve, the leaving water temperature fluctuation is big like this, usually need in use to regulate repeatedly, not only bother, and greatly reduce the comfortableness of bathing.In the winter time, especially in the north, short because of light application time, intensity is little, hot water in the water tank does not often reach the temperature that people need, and the interior heater work of water tank this moment is heated to required temperature with hot water earlier, it is very inconvenient when people use in the winter time thus, easily catch a cold, not only the comfortableness of bathing is relatively poor, but also has caused the waste of water resource.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of Based Intelligent Control solar water heater based on multisensor that can constant-temperature effluent.
Because the main heater block in the water heater is heat collector, so the utility model is mainly realized the constant-temperature effluent of solar water heater by the leaving water temperature of control heat collector.
To achieve these goals, the technical solution of the utility model is as follows: a kind of Based Intelligent Control solar water heater based on multisensor, comprise heat collector, the water inlet of heat collector is communicated with external water source by pipeline, it is characterized in that, described Based Intelligent Control solar water heater based on multisensor also comprises temperature sensor, optical sensor, flow sensor, flow controller and central controller; Described temperature sensor is two, is separately positioned on water inlet and the delivery port of heat collector, be used for to measure the temperature of the water of the water inlet of heat collector and delivery port; Described optical sensor is arranged on the endothermic section of heat collector, for detection of sun light intensity; Described flow sensor is arranged on the connecting pipe of water inlet and external water source, is used for measuring the flow of the water that enters heat collector; Described flow controller is arranged on the connecting pipe of water inlet and external water source, is used for the flow that control enters the water of heat collector; Communication is connected between described temperature sensor, optical sensor, flow sensor, flow controller and the described central controller; Described central controller comprises regulon, described regulon is according to the measured value of described temperature sensor, optical sensor and flow sensor, produce the conditioning signal of the described flow controller of control, to change the flow of the water that flows into corresponding described heat collector, make that the fluid temperature (F.T.) in the described heat collector remains unchanged.
The formula of the flow value of the unit interval of water is in the pipeline: Δ V=(R * A * η)/(ρ * CL * (T3-T)), wherein Δ V is the flow value of pipeline inner fluid unit interval, R is solar radiation value, A is the effective endotherm area of heat collector, η is the heat loss factor, span is between the 0.95-0.98, ρ is the density of water in the pipeline, CL is the avergae specific heat of pipeline Nei Shui place temperature range, T3 is the water temperature that heat collector need reach, T is the average water temperature of heat collector, i.e. T=(T1+T2)/2, T1, T2 are respectively the temperature of heat collector outlet and heat collector entrance.
Described central controller also comprises data storage cell, logic controller, data storage cell is used for storing temperature sensor, optical sensor, the numerical value of flow sensor measurement and the formula of flow value, described logic controller is according to the flow value of the formula unit of account time of the numerical value of described measurement and flow value, the measured value of calculated flow rate value and flow sensor compares, to determine that increase still reduces flow, make that the fluid temperature (F.T.) in the described pipeline remains unchanged.
In the described heat collector electric heater unit is set.
Described heat collector also comprises solar tracking system.
Described heat collector further comprises: the setting-up time section records average solar irradiation value of each described time period; Record the outlet temperature T1 of each described average heat collector of time period; Record the average described heat collector outlet temperature T2 of each described time period; Flow according to the water of the numerical computations heat collector of setting heat collector terminal temperature T3 and measurement.
Flow controller is valve or pump.
Compared with prior art, the utility model has following advantage based on the Based Intelligent Control solar water appliance of multisensor:
1) can realize the constant of water heater temperature by the control flow by measuring temperature and intensity of illumination;
2) by electric heater unit is set, can be implemented under the situation of bad weather water heater is independently added thermal control, also can synthermal sensor, optical sensor, flow sensor and central controller realize the common control to the water heater temperature together.
3) can control the water heater temperature according to the time period.
Description of drawings
Fig. 1 is the schematic diagram of the utility model solar water heater
Fig. 2 is the temperature controlled schematic flow sheet of the utility model
Reference numeral is as follows: 1 heat collector, the position of the temperature sensor of 2 heat collectors outlet, the position of the temperature sensor of 3 heat collector entrances, the position of 4 flow sensors, 5 central controllers, 6 electric heater units, the position of 7 flow controllers
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.
At first, please refer to Fig. 1, a kind of Based Intelligent Control solar water heater based on multisensor comprises heat collector 1, the water inlet of heat collector 1 is communicated with external water source by pipeline, and water heater also comprises temperature sensor, optical sensor, flow sensor, flow controller and central controller; Described temperature sensor is two, is separately positioned on the position 3 and delivery port position 2 of water inlet of heat collector, is used for measuring the temperature of the water of the water inlet of heat collector 1 and delivery port; Optical sensor is arranged on the endothermic section (Fig. 1 does not illustrate) of heat collector 1, for detection of sun light intensity; Flow sensor is arranged on the connecting pipe of water inlet and external water source, and the position of Reference numeral 4 as shown in Figure 1 is used for the flow that measurement enters the water of heat collector 1; Flow controller is arranged on the connecting pipe of water inlet and external water source, and the position of Reference numeral 7 as shown in Figure 1 is used for the flow that control enters the water of heat collector 1; Communication is connected between described temperature sensor, optical sensor, flow sensor, flow controller and the described central controller 5; Described central controller comprises regulon, described regulon is according to temperature sensor and optical sensor measured value, produce the conditioning signal of the described flow sensor of control, to change the flow of the water that flows into corresponding described heat collector 1, make that the fluid temperature (F.T.) in the described heat collector 1 remains unchanged.
The formula that described solar radiation value is calculated the flow value of the unit interval of water in the pipeline is:
Δ V=(R * A * η)/(ρ * CL * (T3-T)), wherein Δ V is the flow value of pipeline inner fluid unit interval, R is solar radiation value, A is heat collector 1 effective endotherm area, η is the heat loss factor, span is between the 0.95-0.98, ρ is the density of water in the pipeline, CL is the avergae specific heat of pipeline Nei Shui place temperature range, T3 is the water temperature that heat collector 1 need reach, T is the average water temperature of heat collector 1, i.e. T=(T1+T2)/2, T1, T2 are respectively the temperature of heat collector 1 outlet and heat collector 1 entrance.
Certainly, the mean temperature of heat collector 1 also has many other metering systems, for example in one or more positions of heat collector 1 temperature sensor is set, and the mean temperature of the water by calculating a plurality of positions is measured the water temperature of heat collector 1.If take this kind mode, then need not import and export at heat collector 1 temperature sensor is set, and need one or more temperature sensors be set in heat collector 1 inside.
Central controller 5 also comprises data storage cell, logic controller, data storage cell is used for storing temperature sensor, optical sensor, the numerical value of flow sensor measurement and the formula of flow value, described logic controller makes that according to the flow value of the formula unit of account time of the numerical value of described measurement and flow value the fluid temperature (F.T.) in the described pipeline remains unchanged.
In the described heat collector 1 electric heater unit 6 is set, described electric heater unit 6 can work alone under the sunlight situation at (for example evening or cloudy day) not having, also can can't satisfy under the situation of normal hot water use at sunlight, under the control of central controller 5, cooperation temperature sensor, optical sensor, flow sensor and central controller 5 are realized the common control to the water heater temperature together.
In addition, central controller 5 can independently be controlled the water temperature that electric heater unit 6 realizes that heat collector 1 need reach, for example can in heat collector 1 casing, at least one temperature sensor be set, control electric heater unit 6 according to the water temperature of temperature sensor measurement and heat.Also the mean value of the water temperature that can measure according to heat collector 1 water inlet and delivery port is controlled electric heater unit 6 and is heated.
Described heat collector 1 also comprises solar tracking system, by solar tracking system, can make the real-time tracking sun of heat collector, to reach the maximum solar energy that utilizes.
The temperature control of described heat collector 1 can be controlled in real time, also can control according to the time period.According to the time period control under the situation, need the setting-up time section, record average solar irradiation value of each described time period; Record the outlet temperature T1 of each average heat collector 1 of described time period; Record the average described heat collector outlet temperature T2 of each described time period; Flow according to the water of the numerical computations heat collector 1 of setting heat collector 1 terminal temperature T3 and measurement.
Regulon changes the flow of the water that flows into corresponding described heat collector 1 by the aperture size of adjusting valve.Certainly the size of adjusting flow also has additive method, for example by control pump etc.
Though the utility model discloses as above with preferred embodiment, the utility model is not to be defined in this.Any those skilled in the art in not breaking away from spirit and scope of the present utility model, all can do various changes and modification, and therefore protection domain of the present utility model should be as the criterion with claim institute restricted portion.
Claims (7)
1. Based Intelligent Control solar water heater based on multisensor, comprise heat collector, the water inlet of heat collector is communicated with external water source by pipeline, it is characterized in that described Based Intelligent Control solar water heater based on multisensor also comprises temperature sensor, optical sensor, flow sensor, flow controller and central controller; Described temperature sensor is two, is separately positioned on water inlet and the delivery port of heat collector, be used for to measure the temperature of the water of the water inlet of heat collector and delivery port; Described optical sensor is arranged on the endothermic section of heat collector, for detection of sun light intensity; Described flow sensor is arranged on the connecting pipe of water inlet and external water source, is used for measuring the flow of the water that enters heat collector; Described flow controller is arranged on the connecting pipe of water inlet and external water source, is used for the flow that control enters the water of heat collector; Communication is connected between described temperature sensor, optical sensor, flow sensor, flow controller and the described central controller; Described central controller comprises regulon, described regulon is according to the measured value of described temperature sensor, optical sensor and flow sensor, produce the conditioning signal of the described flow controller of control, to change the flow of the water that flows into corresponding described heat collector, make that the fluid temperature (F.T.) in the described heat collector remains unchanged.
2. according to the described a kind of Based Intelligent Control solar water heater based on multisensor of claim 1, it is characterized in that: the formula of flow value of unit interval that enters the water of heat collector is: Δ V=(R * A * η)/(ρ * CL * (T3-T)), wherein Δ V is the flow value of pipeline inner fluid unit interval, R is solar radiation value, A is the effective endotherm area of heat collector, η is the heat loss factor, span is between the 0.95-0.98, ρ is the density of water in the pipeline, T3 is the water temperature that heat collector need reach, T is the average water temperature of heat collector, be T=(T1+T2)/2, T1, T2 is respectively the temperature of heat collector outlet and heat collector entrance, and CL is the specific heat of the equal temperature of level in the pipeline.
3. according to the described a kind of Based Intelligent Control solar water heater based on multisensor of claim 2, it is characterized in that: central controller also comprises data storage cell, logic controller, data storage cell is used for the storing temperature sensor, optical sensor, the numerical value that flow sensor is measured, the water temperature T 3 that heat collector need reach and the formula of flow value, described logic controller is according to the flow value of the formula unit of account time of the numerical value of described measurement and flow value, the measured value of calculated flow rate value and flow sensor compares, to determine that increase still reduces flow, make that the fluid temperature (F.T.) in the described pipeline remains unchanged.
4. according to the described a kind of Based Intelligent Control solar water heater based on multisensor of claim 1, it is characterized in that: in the described heat collector electric heater unit is set.
5. according to the described a kind of Based Intelligent Control solar water heater based on multisensor of claim 1, it is characterized in that: described water heater also comprises solar tracking system.
6. according to the described a kind of Based Intelligent Control solar water heater based on multisensor of claim 1, it is characterized in that: water heater is adjusted flow according to the time period, comprises the setting-up time section, records average solar irradiation value of each described time period; Record the outlet temperature T1 of each described average heat collector of time period; Record the average described heat collector outlet temperature T2 of each described time period; Flow according to the water of the numerical computations heat collector of setting heat collector terminal temperature T3 and measurement.
7. according to the described a kind of Based Intelligent Control solar water heater based on multisensor of claim 1, it is characterized in that: flow controller is valve or pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013201001229U CN203116325U (en) | 2013-03-06 | 2013-03-06 | Intelligent control solar water heater based on multiple sensors |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201001229U CN203116325U (en) | 2013-03-06 | 2013-03-06 | Intelligent control solar water heater based on multiple sensors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615919A (en) * | 2013-12-09 | 2014-03-05 | 山东大学 | Waste-heat utilization heat exchanger with constant output fluid temperature |
| CN103629958A (en) * | 2013-12-09 | 2014-03-12 | 山东大学 | Waste heat utilization heat exchanger, with different tube bundle intervals and bulge densities, of rotary cement kiln |
| CN103983027A (en) * | 2014-04-29 | 2014-08-13 | 张嵩伟 | Electric heating control device of solar water heater |
| CN105652900A (en) * | 2016-03-29 | 2016-06-08 | 深圳职业技术学院 | Solar energy automatic tracking system and control method |
| CN105916224A (en) * | 2016-05-25 | 2016-08-31 | 东莞佐佑电子科技有限公司 | Heating tube power regulation device and regulation method thereof |
-
2013
- 2013-03-06 CN CN2013201001229U patent/CN203116325U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615919A (en) * | 2013-12-09 | 2014-03-05 | 山东大学 | Waste-heat utilization heat exchanger with constant output fluid temperature |
| CN103629958A (en) * | 2013-12-09 | 2014-03-12 | 山东大学 | Waste heat utilization heat exchanger, with different tube bundle intervals and bulge densities, of rotary cement kiln |
| CN103629958B (en) * | 2013-12-09 | 2014-09-10 | 山东大学 | Waste heat utilization heat exchanger, with different tube bundle intervals of rotary cement kiln |
| CN104180677A (en) * | 2013-12-09 | 2014-12-03 | 山东大学 | Cement rotary kiln waste heat exchanger with different tube bundle projection densities |
| CN104197752A (en) * | 2013-12-09 | 2014-12-10 | 山东大学 | Waste heat utilization heat exchanger with multiple ash blowing directions |
| CN104180677B (en) * | 2013-12-09 | 2015-08-12 | 山东大学 | The rotary cement kiln waste heat utilization heat exchanger that tube bank density of protrusions is different |
| CN104197752B (en) * | 2013-12-09 | 2015-08-19 | 山东大学 | A kind of have the waste heat utilization heat exchanger that multiple directions blow ash |
| CN103983027A (en) * | 2014-04-29 | 2014-08-13 | 张嵩伟 | Electric heating control device of solar water heater |
| CN103983027B (en) * | 2014-04-29 | 2016-06-22 | 张嵩伟 | Solar water heater electric heating control device |
| CN105652900A (en) * | 2016-03-29 | 2016-06-08 | 深圳职业技术学院 | Solar energy automatic tracking system and control method |
| CN105916224A (en) * | 2016-05-25 | 2016-08-31 | 东莞佐佑电子科技有限公司 | Heating tube power regulation device and regulation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140306 |