CN204214155U - The light-operated EGR of a kind of solar water heating system - Google Patents
The light-operated EGR of a kind of solar water heating system Download PDFInfo
- Publication number
- CN204214155U CN204214155U CN201420648744.XU CN201420648744U CN204214155U CN 204214155 U CN204214155 U CN 204214155U CN 201420648744 U CN201420648744 U CN 201420648744U CN 204214155 U CN204214155 U CN 204214155U
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- CN
- China
- Prior art keywords
- adjustable resistance
- thyristor
- voltage
- wire
- heating system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The utility model provides a kind of solar water heating system light-operated EGR, comprise photocell, voltage-regulating circuit and thyristor, described voltage-regulating circuit is adjustable resistance, described photronic the two poles of the earth are connected with the two poles of the earth of adjustable resistance by wire, the output of described adjustable resistance is connected with the negative pole of thyristor by wire, the tap terminals of described adjustable resistance is electrically connected with the positive pole of thyristor, and described thyristor is connected with water circulating pump by wire.The utility model adopts the effective reduced volume of controllable silicon, save A.C. contactor and install, and low-voltage controls, save downconverter device, installation site is simple, only needs to be connected in series this device in water circulating pump power supply, and adjustment photocell gathers direct sunlight angle.
Description
Technical field
The utility model relates to a kind of light controlling device, particularly relates to the light-operated EGR of a kind of solar water heating system.
Background technology
Current most solar water heating system is divided into small-sized household system, and domestic system is divided into again natural cycle system and pressure-bearing type forced circulation system (forced circulation system promotes current by water circulating pump to enter solar energy circulating-heating); Large centralised heating system mostly is forced circulation system.And all forced circulation systems control mostly to be temperature difference blind controller system, thermometric instrument control system.
The temperature difference, temperature control instrument control to need the independent distribution control box making complexity, install complicated, take up room large; And the thermal conductivity of instrument temperature-sensing probe point for measuring temperature, steadiness and aging circuit etc. all can affect the operation of forced cycling hot water system.
Utility model content
The utility model, in order to solve the problem, provides the light-operated EGR of a kind of solar water heating system.Its illumination control device of connecting in water circulating pump power circuit, namely adjustment photocell sunlight angle reaches solar energy cyclic water heating by intensity of illumination controlled circulation starting mode of pump, stopping, without the need to the temperature-sensing probe wiring of complexity and the installation of distributed board outdoor.
For achieving the above object, the technical solution adopted in the utility model is: it comprises photocell, voltage-regulating circuit and thyristor, described voltage-regulating circuit is adjustable resistance, described photronic the two poles of the earth are connected with the two poles of the earth of adjustable resistance by wire, the output of described adjustable resistance is connected with the negative pole of thyristor by wire, the tap terminals of described adjustable resistance is electrically connected with the positive pole of thyristor, and described thyristor is connected with water circulating pump by wire.
Further, the resistance of described adjustable resistance is 1000 Ω.
Preferably, described adjustable resistance is rotary adjustable resistance.
The utility model has following beneficial effect: after adopting illumination control device, owing to adopting photocell to detect Intensity of the sunlight, can save the temperature difference, the complicated loaded down with trivial details temperature-sensing probe wiring of thermometric instrument and wiring; Adopt voltage-regulating circuit adjustable photocell exposure intensity magnitude of voltage, the voltage triggered controlled silicon conducting when high light direct projection; Adopt the effective reduced volume of controllable silicon, save A.C. contactor and install, and low-voltage controls, and saves downconverter device.Integrated sealing rainproofly can prevent the potential safety hazards such as electric shock out of doors; Installation site is simple, only needs to be connected in series this device in water circulating pump power supply, and adjustment photocell gathers direct sunlight angle.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the light-operated EGR of a kind of solar water heating system, comprise photocell 1, voltage-regulating circuit and thyristor 3, described voltage-regulating circuit is the regulation voltage circuit that adjustable resistance 2 forms, preferably, adjustable resistance 2 is the rotary adjustable resistance of resistance 1000 Ω, the two poles of the earth of described photocell 1 are connected by wire the two poles of the earth with adjustable resistance 2, the output of described adjustable resistance 2 is connected by the negative pole of wire with thyristor 3, the tap terminals of described adjustable resistance 2 is electrically connected with the positive pole of thyristor 3, described thyristor 3 is connected with water circulating pump 4 by wire.
The specification of photocell 1 is about 50mm × 50mm, voltage 6V can be produced when accepting strong illumination, when illumination weakens, voltage reduces, voltage exports the change according to intensity of illumination and changes, as adjustable resistance 2 two ends input voltage 6V, adjustment adjustable resistance 2 tap terminals, it is adjustable that adjustable resistance 2 output end voltage adjustable range is about 0-6V; During strong illumination, regulate adjustable resistance 2 tap terminals output voltage >=2.5V electric current 0.1A can meet thyristor 3 triggering and conducting voltage, when illumination weakens, the tap terminals voltage of adjustable resistance 2 reduces; It is direct current 3V-32V that thyristor 3 inputs trigger voltage, output voltage is alternating current 220V or 380V, electric current is 5-40A, the centralized heating system water circulating pump 4 of general scale solar energy can be controlled run, when regulating resistance 2 output voltage is greater than triggering and conducting voltage 2.4V, thyristor 2 exports and exchanges end conducting, start water circulating pump 3 circulating-heating, when illumination reduces, photocell voltage reduces, after resistor tap output voltage reduces, when control machines voltage reduces 1.0V, controllable silicon disconnects solar energy water circulating pump 3 power supply, and water pump stops circulation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the light-operated EGR of solar water heating system, it is characterized in that: comprise photocell, voltage-regulating circuit and thyristor, described voltage-regulating circuit is adjustable resistance, described photronic the two poles of the earth are connected with the two poles of the earth of adjustable resistance by wire, the output of described adjustable resistance is connected with the negative pole of thyristor by wire, the tap terminals of described adjustable resistance is electrically connected with the positive pole of thyristor, and described thyristor is connected with water circulating pump by wire.
2. the light-operated EGR of solar water heating system according to claim 1, is characterized in that: the resistance of described adjustable resistance is 1000 Ω.
3. the light-operated EGR of solar water heating system according to claim 1 and 2, is characterized in that: described adjustable resistance is rotary adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648744.XU CN204214155U (en) | 2014-11-03 | 2014-11-03 | The light-operated EGR of a kind of solar water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420648744.XU CN204214155U (en) | 2014-11-03 | 2014-11-03 | The light-operated EGR of a kind of solar water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204214155U true CN204214155U (en) | 2015-03-18 |
Family
ID=52982820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420648744.XU Expired - Fee Related CN204214155U (en) | 2014-11-03 | 2014-11-03 | The light-operated EGR of a kind of solar water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204214155U (en) |
-
2014
- 2014-11-03 CN CN201420648744.XU patent/CN204214155U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150318 Termination date: 20211103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |