CN102705807A - Steam water heating unit based on PID (proportional-integral-derivative) controller - Google Patents
Steam water heating unit based on PID (proportional-integral-derivative) controller Download PDFInfo
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- CN102705807A CN102705807A CN2012101622900A CN201210162290A CN102705807A CN 102705807 A CN102705807 A CN 102705807A CN 2012101622900 A CN2012101622900 A CN 2012101622900A CN 201210162290 A CN201210162290 A CN 201210162290A CN 102705807 A CN102705807 A CN 102705807A
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- constant temperature
- pid controller
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 238000010438 heat treatment Methods 0.000 title abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000008399 tap water Substances 0.000 abstract 4
- 235000020679 tap water Nutrition 0.000 abstract 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a steam water heating unit based on a PID (proportional-integral-derivative) controller, which comprises a solar water supply system, a constant temperature water tank and the PID controller. A steam coil is arranged in the constant temperature water tank; a solar water inlet, a tap water inlet, a steam inlet, a drainage opening, a constant temperature water outlet and a sewage draining outlet are formed on the constant temperature water tank; an electric control valve II and an electric control valve I are respectively installed at the tap water inlet and the steam inlet; output signals are transmitted to the PID controller in time through on-line detection of a temperature sensor at the constant temperature water outlet; and the PID controller simultaneously judges whether the tap water is required to be compensated and whether steam is required to be compensated and heated, and automatically adjusts the opening of the electric control valves I and II, so as to adjust the compensation amount of the tap water and the feeding amount of steam, thus achieving the purpose of supplying water at the constant temperature. The steam water heating unit integrates two states that temperature is required to be reduced when the solar water outlet temperature is high and heating is required when the water supply temperature is insufficient, and realizes simultaneous control.
Description
Technical field
The present invention relates generally to the solar water supply field, relates in particular to a kind of steam and hot water unit based on the PID controller.
Background technology
Solar energy system is under Various Seasonal, different weather situation, and owing to reasons such as temperature, light application times, the hot water temperature differs greatly; In summer; Because temperature is high, light application time is long, solar energy water can reach fluidized state, and under overcast and rainy snow and cold snap; The effect of solar energy obviously weakens, even need take outside antifreeze heating measure.Therefore, solar water is difficult to accomplish the constant temperature heat supply.
Summary of the invention
The object of the invention is exactly in order to remedy the defective of prior art; Provide a kind of solar engineering water (or other heat source water) is carried out the automatic constant temperature device that meticulous temperature control is regulated continuously, solve the steam and hot water unit based on the PID controller of solar heat water termostat heat supply.
The present invention realizes through following technical scheme:
Steam and hot water unit based on the PID controller; Include the solar water supply system; It is characterized in that: also include constant temperature water tank, PID controller; Be provided with steam pipe coil in the constant temperature water tank, the upper and lower part on the sidewall of constant temperature water tank has a through hole respectively as steam inlet, drain port, and steam inlet is passed at the head and the tail two ends of steam pipe coil respectively, drain port is stretched outside constant temperature water tank; The head end of steam pipe coil is equipped with an electric control valve one, and the tail end of steam pipe coil is equipped with a loose float trap; The right ends at the top of constant temperature water tank has a through hole as solar energy water import, thermostatted water outlet; Solar energy water import, thermostatted water outlet are circumscribed with solar energy water water inlet pipe, thermostatted water outlet pipe respectively; The thermostatted water exit is provided with a temperature sensor; Have an aperture on the sidewall of solar energy water water inlet pipe as running water inlet, water supply pipe inserts in the solar energy water water inlet pipe through running water inlet, and extends one section water supply pipe and make it in the same way concentric with the solar energy water inlet pipe; The terminal reducing of water supply pipe adds a nozzle; The head end of water supply pipe is equipped with electric control valve two, and the signal output part of described temperature sensor inserts the signal input part of PID controller, and the control signal output of PID controller inserts the control end of electric control valve one, electric control valve two.
The bottom of described constant temperature water tank is provided with a sewage draining exit.
Described steam pipe coil adopts spiral coil or serpentine coil.
Described constant temperature water tank adopts stainless steel.
Principle of the present invention is:
The present invention is with solving the heat supply of solar water constant temperature, and the external heat source of employing is a steam, and the introducing of running water is in order to reduce the problem of sun in summer ability water overtemperature.At running water inlet and steam inlet electric control valve two, electric control valve one have been installed respectively; Through the online detection of device hot water outlet HIGH SENSITIVITY AND HIGH PRECISION temperature sensor; In time will export signal and transfer to the PID controller, the PID controller control simultaneously running water whether need mend into and steam whether need compensate heating, and adjust the open degree of electric control valve one, two automatically according to temperature signal; Benefit to regulate running water is gone into amount or the steam amount of feeding, and reaches the purpose of constant-temperature effluent.
Install nozzle additional in the terminal reducing of running water; Mending the running water of going into fully mixes through ejector action and solar energy water; A segment pipe is extended in the ejecting port outlet further mixes solar water and running water; Further mix in the access to plant again, obtain stable control to guarantee leaving water temperature.
Steam Heating is carried out in device, takes spiral coil or serpentine coil indirect method, and steam passes through steam pipe coil in the device from top to bottom, at the steam pipe coil end loose float trap has been installed, and steam condensate (SC) is dredged out.Because steam is top-down flowing in coil pipe; Under steam promotion and self gravitation effect; Condensate is passed rapidly to loose float trap and is discharged, and can not save bit by bit condensate in the coil pipe, has guaranteed that the effective heat-transfer surface of coil pipe is stabilized on the design objective can not reduce.
Advantage of the present invention is:
1) the present invention unites two into one higher desuperheat and the not enough needs heating of the supply water temperature two states of needing of solar energy leaving water temperature, realizes control simultaneously;
2) use of loose float trap; Can timely and effective steam condensate (SC) be discharged; Can also satisfy the reliably working under two kinds of unfavorable conditions of work of minute-pressure steam and micro-steam, therefore, the present invention still can reliability service under the extreme case of steam pressure 0.01MPa.
Description of drawings
Fig. 1 is a general structure sketch map of the present invention.
Fig. 2 is the sketch map of control of the present invention system.
The specific embodiment
Like Fig. 1, shown in 2; Steam and hot water unit based on the PID controller; Include the solar water supply system, it is characterized in that: also include constant temperature water tank 1, PID controller 2, be provided with steam pipe coil 3 in the constant temperature water tank 1; Upper and lower part on the sidewall of constant temperature water tank 1 has a through hole respectively as steam inlet 4, drain port 5; Steam inlet 4 is passed at the head and the tail two ends of steam pipe coil 3 respectively, drain port 5 is stretched outside constant temperature water tank, and the head end of steam pipe coil 3 is equipped with an electric control valve 1, and the tail end of steam pipe coil 3 is equipped with a loose float trap 7; The right ends at the top of constant temperature water tank 1 has a through hole as solar energy water import 8, thermostatted water outlet 9; Solar energy water import 8, thermostatted water outlet 9 are circumscribed with solar energy water water inlet pipe 10, thermostatted water outlet pipe 11 respectively; Thermostatted water exports 9 places and is provided with a temperature sensor 12; Have an aperture on the sidewall of solar energy water water inlet pipe 10 as running water inlet 13; Water supply pipe inserts in the solar energy water water inlet pipe 10 through running water inlet 13; And extend one section water supply pipe and make it in the same way concentric with solar energy water inlet pipe 10, the terminal reducing of water supply pipe adds a nozzle 14, and the head end of water supply pipe is equipped with electric control valve 2 15; The signal output part of temperature sensor 12 inserts the signal input part of PID controller 2, and the control signal output of PID controller 2 inserts the control end of electric control valve 1, electric control valve 2 15.
The bottom of constant temperature water tank 1 is provided with a sewage draining exit 16.
Steam pipe coil 3 adopts spiral coil or serpentine coil.
Constant temperature water tank 1 adopts stainless steel.
Claims (4)
1. steam and hot water unit based on the PID controller; Include the solar water supply system; It is characterized in that: also include constant temperature water tank, PID controller; Be provided with steam pipe coil in the constant temperature water tank, the upper and lower part on the sidewall of constant temperature water tank has a through hole respectively as steam inlet, drain port, and steam inlet is passed at the head and the tail two ends of steam pipe coil respectively, drain port is stretched outside constant temperature water tank; The head end of steam pipe coil is equipped with an electric control valve one, and the tail end of steam pipe coil is equipped with a loose float trap; The right ends at the top of constant temperature water tank has a through hole as solar energy water import, thermostatted water outlet; Solar energy water import, thermostatted water outlet are circumscribed with solar energy water water inlet pipe, thermostatted water outlet pipe respectively; The thermostatted water exit is provided with a temperature sensor; Have an aperture on the sidewall of solar energy water water inlet pipe as running water inlet, water supply pipe inserts in the solar energy water water inlet pipe through running water inlet, and extends one section water supply pipe and make it in the same way concentric with the solar energy water inlet pipe; The terminal reducing of water supply pipe adds a nozzle; The head end of water supply pipe is equipped with electric control valve two, and the signal output part of described temperature sensor inserts the signal input part of PID controller, and the control signal output of PID controller inserts the control end of electric control valve one, electric control valve two.
2. the steam and hot water unit based on the PID controller according to claim 1 is characterized in that: the bottom of described constant temperature water tank is provided with a sewage draining exit.
3. the steam and hot water unit based on the PID controller according to claim 1 is characterized in that: described steam pipe coil adopts spiral coil or serpentine coil.
4. the steam and hot water unit based on the PID controller according to claim 1 is characterized in that: described constant temperature water tank adopts stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162290.0A CN102705807B (en) | 2012-05-23 | 2012-05-23 | Steam water heating unit based on PID (proportional-integral-derivative) controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210162290.0A CN102705807B (en) | 2012-05-23 | 2012-05-23 | Steam water heating unit based on PID (proportional-integral-derivative) controller |
Publications (2)
| Publication Number | Publication Date |
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| CN102705807A true CN102705807A (en) | 2012-10-03 |
| CN102705807B CN102705807B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210162290.0A Active CN102705807B (en) | 2012-05-23 | 2012-05-23 | Steam water heating unit based on PID (proportional-integral-derivative) controller |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288680A (en) * | 2016-07-28 | 2017-01-04 | 福州大世界橄榄有限公司 | A kind of drying unit |
| CN109107215A (en) * | 2018-10-12 | 2019-01-01 | 盐城项果科技有限公司 | Calcium acetate magnesium salt preparing device |
| CN109974518A (en) * | 2017-12-28 | 2019-07-05 | 红塔烟草(集团)有限责任公司 | A kind of high system automatic control device of heat |
| CN110486956A (en) * | 2018-02-05 | 2019-11-22 | 浦江县泰如食品科技有限公司 | Solar energy automatic thermostatic device for removing fishy of soybean |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60126542A (en) * | 1983-12-09 | 1985-07-06 | Sanyo Kiko Kk | Water heater making use of solar system |
| US4898152A (en) * | 1984-12-18 | 1990-02-06 | Kahl Karl H | Dual sequence solar water heater |
| CN1594990A (en) * | 2003-05-30 | 2005-03-16 | 全奭宁 | Boiler system for heating and hot water supply using solar heat |
| CN101165432A (en) * | 2006-10-17 | 2008-04-23 | 珠海慧生能源技术发展有限公司 | Intelligentized light energy heat pump type cold-hot water energy-saving machine set and control method |
| CN201289231Y (en) * | 2008-08-05 | 2009-08-12 | 林景山 | Solar water heater capable of supplying heat water in constant temperature |
| CN201574790U (en) * | 2009-10-26 | 2010-09-08 | 刘平 | Cascade recycling device of residual heat in electric power plant |
| CN202149534U (en) * | 2011-06-09 | 2012-02-22 | 赵华 | Solar energy and air source heat pump combined hot water supply device |
-
2012
- 2012-05-23 CN CN201210162290.0A patent/CN102705807B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60126542A (en) * | 1983-12-09 | 1985-07-06 | Sanyo Kiko Kk | Water heater making use of solar system |
| US4898152A (en) * | 1984-12-18 | 1990-02-06 | Kahl Karl H | Dual sequence solar water heater |
| CN1594990A (en) * | 2003-05-30 | 2005-03-16 | 全奭宁 | Boiler system for heating and hot water supply using solar heat |
| CN101165432A (en) * | 2006-10-17 | 2008-04-23 | 珠海慧生能源技术发展有限公司 | Intelligentized light energy heat pump type cold-hot water energy-saving machine set and control method |
| CN201289231Y (en) * | 2008-08-05 | 2009-08-12 | 林景山 | Solar water heater capable of supplying heat water in constant temperature |
| CN201574790U (en) * | 2009-10-26 | 2010-09-08 | 刘平 | Cascade recycling device of residual heat in electric power plant |
| CN202149534U (en) * | 2011-06-09 | 2012-02-22 | 赵华 | Solar energy and air source heat pump combined hot water supply device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288680A (en) * | 2016-07-28 | 2017-01-04 | 福州大世界橄榄有限公司 | A kind of drying unit |
| CN109974518A (en) * | 2017-12-28 | 2019-07-05 | 红塔烟草(集团)有限责任公司 | A kind of high system automatic control device of heat |
| CN110486956A (en) * | 2018-02-05 | 2019-11-22 | 浦江县泰如食品科技有限公司 | Solar energy automatic thermostatic device for removing fishy of soybean |
| CN109107215A (en) * | 2018-10-12 | 2019-01-01 | 盐城项果科技有限公司 | Calcium acetate magnesium salt preparing device |
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| Publication number | Publication date |
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| CN102705807B (en) | 2014-11-19 |
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Address after: 231200 Cao Gang Road, Changan industrial agglomeration, Feixi County, Hefei, Anhui Applicant after: Shunchang, Hefei distributed energy comprehensive application technology Co., Ltd Address before: 231200 Cao Gang Road, Changan industrial agglomeration, Feixi County, Hefei, Anhui Applicant before: Hefei Shunchang Stainless Steel Equipment Manufacturing Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI SHUNCHANG STAINLESS STEEL EQUIPMENT MANUFACTURING CO., LTD. TO: HEFEI SHUNCHANG DISTRIBUTED ENERGY INTEGRATION APPLIC TECHNOLOGY CO., LTD. |
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Denomination of invention: Steam water heating unit based on PID (proportional-integral-derivative) controller Effective date of registration: 20170323 Granted publication date: 20141119 Pledgee: Huizhou Merchants Bank Hefei three Xiao Kou branch Pledgor: Shunchang, Hefei distributed energy comprehensive application technology Co., Ltd Registration number: 2017340000040 |
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Date of cancellation: 20180504 Granted publication date: 20141119 Pledgee: Huizhou Merchants Bank Hefei three Xiao Kou branch Pledgor: Shunchang, Hefei distributed energy comprehensive application technology Co., Ltd Registration number: 2017340000040 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |