CN110513749A - Double heat source chilled ceiling panel heating systems and its control method - Google Patents
Double heat source chilled ceiling panel heating systems and its control method Download PDFInfo
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- CN110513749A CN110513749A CN201910845619.5A CN201910845619A CN110513749A CN 110513749 A CN110513749 A CN 110513749A CN 201910845619 A CN201910845619 A CN 201910845619A CN 110513749 A CN110513749 A CN 110513749A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D7/00—Central heating systems employing heat-transfer fluids not covered by groups F24D1/00 - F24D5/00, e.g. oil, salt or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/20—Heat consumers
- F24D2220/2009—Radiators
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
Double heat source chilled ceiling panel heating systems and its control method, are related to heating system field.Double heat source chilled ceiling panel heating systems, including separator, oil catcher, radiant panel, pressure difference bypass apparatus, electric T-shaped valve, three-way connection, solar thermal collector, electric boiler, oil circulating pump and oil expansion tank.A kind of heating system control method, applied to above-mentioned double heat source chilled ceiling panel heating systems, after heating system starting, illuminance transducer real-time detection ambient light simultaneously transmits detection data to chip is controlled, and controls chip according to the state of the set value calculation electric T-shaped valve, solar thermal collector and the electric boiler that set in it.The present invention uses solar thermal collector and electric boiler combined heat, combine solar-heating energy conservation and environmental protection and the high-efficient advantage of electric heat supply, take full advantage of sufficient solar energy resources in the daytime to reduce the use of high-grade electric energy in the daytime, it can guarantee heating demands at illumination insufficient night again, with variable load accumulated, the characteristics of energy conservation and environmental protection.
Description
Technical field
The present invention relates to heating system field, especially a kind of double heat source chilled ceiling panel heating systems and its control method.
Background technique
" 2018 Chinese architecture energy consumption research report " display, the specific gravity that China's building energy consumption accounts for national energy consumption total quantity consumed exist
18%~23% or so, conventional energy resource has been difficult to meet the requirement of the sustainable development architecture, and there is an urgent need to greatly develop renewable energy
Source technology.
For large space, common heating system has hot water system, steam heating system and hot-air heating
System.
There is biggish heat loss in the hot water pipe net of hot water system, also, in winter coldly during transportation
Area usually occurs the case where frost crack pipe when hot water system is out of service.
The medium of steam heating system is steam, and manifold pressure is relatively large, and steam is easy during transportation
The phenomenon that now becoming flat, leaking.
Hot air heating system consumption is driven by electricity air-heater heating heating, on the one hand, in its operational process fan noise compared with
Greatly；On the other hand, air-heater rough air is also easy to produce air fugitive dust indoors；In another aspect, when hot-air heating, the big portion of heat
Point indoor upper area is concentrated on, and the temperature of lower part working region is relatively low, that is, it is uneven to there is room temperature, vertically
The big problem of temperature gradient, practical heating effect is bad to increase energy consumption instead.
Summary of the invention
The purpose of the present invention is overcome the deficiencies in the prior art, and provide a kind of double heat source chilled ceiling panel heating systems and its
Control method, when it solves existing large space application hot water system, thermal loss is big and pipeline is in low temperature environment
Down the problem of easy bursting by freezing；When solving existing large space application steam heating system, pipeline be easy to appear deflation, leakage
Problem；When also solving existing large space application hot air heating system, fan noise is big, interior is also easy to produce air fugitive dust and
The relatively low problem of the temperature of indoor lower part working region.
The technical scheme is that double heat source chilled ceiling panel heating systems, including separator, oil catcher, radiant panel, pressure
Poor by-pass collar, electric T-shaped valve, three-way connection, solar thermal collector, electric boiler, oil circulating pump and oil expansion tank；
Separator is equipped with an oil inlet A and multiple oil outlet A, is equipped with a valve A on each oil outlet A；Oil catcher
It is equipped with an oil outlet B and multiple oil inlet B, is equipped with a valve C on each oil inlet B；Separator and oil catcher it
Between by a plurality of pipeline connection, every pipeline one end is connected on an oil outlet A of separator, and the other end is connected to oil catcher
An oil inlet B on；
Radiant panel is mounted on one or more pipeline between separator and oil catcher；
Pressure difference bypass apparatus is mounted on the pipeline between separator and oil catcher, and pressure difference bypass apparatus is not installed with radiant panel
On same pipeline；
Electric T-shaped valve is equipped with the first end, the second end and third end, and the third end of electric T-shaped valve passes through pipeline
It is connected to the oil inlet A of separator；
Three-way connection is equipped with No.1 mouth, No. two mouths and No. three mouths, and No. three mouths of three-way connection are gone out by pipeline and oil catcher
Hydraulic fluid port B connection；
Solar thermal collector is equipped with total oil outlet A and total oil inlet A, total oil outlet A pass through pipeline and electric T-shaped valve the
The connection of one end, total oil inlet A are connected to by pipeline with the No.1 mouth of three-way connection；
Electric boiler is equipped with total oil outlet B and total oil inlet B, and total oil outlet B passes through the second end of pipeline and electric T-shaped valve
Connection, total oil inlet B are connected to by pipeline with No. two mouths of three-way connection；
Oil circulating pump is mounted on the pipeline between the third end of electric T-shaped valve and the oil inlet A of separator；
Oil expansion tank be mounted between pipeline between total oil outlet of solar thermal collector and the first end of electric T-shaped valve
On.
The further technical solution of the present invention is: it further includes steam providing device；Steam providing device is mounted on a point oil
On one or more pipeline between device and oil catcher, and steam providing device is not mounted on same pipeline with pressure difference bypass apparatus
On.
Further technical solution is the present invention: steam providing device includes shell-and-tube heat exchanger and steam buffer case；
Steam buffer case is equipped with water inlet and out steam port, and steam port is equipped with valve B out；Shell-and-tube heat exchanger be equipped with shell side into
Mouth, shell-side outlet, tube side import and tube side outlet, shell-and-tube heat exchanger are mounted on separator by shell-side outlet and shell side inlet
On pipeline between oil catcher, the tube side import of shell-and-tube heat exchanger is connected to by pipeline with water source, shell-and-tube heat exchanger
Tube side outlet is connected to by pipeline with the water inlet of steam buffer case.
The further technical solution of the present invention is: radiant panel includes thermal radiation shield, fire-retardant heat insulation layer, soaking plate
Layer, non-metal heat transferring layer, radiation metal plate, conduction oil coil pipe and supporting element；Thermal radiation shield, fire-retardant heat insulation layer, soaking plate
Layer, non-metal heat transferring layer and radiation metal plate are sequentially overlapped from top to bottom and are formed the main body of radiant panel, and conduction oil coil pipe is to set
Set the reciprocal U-shaped coil pipe in fire-retardant heat insulation layer, both ends are located at outside radiant panel, supporting element from stretching out in fire-retardant heat insulation layer
It is arranged in non-metal heat transferring layer, one end offsets with soaking plate layer, and the other end offsets with radiation metal plate.
The further technical solution of the present invention is: it further includes illuminance transducer, display unit and control chip；Control
The signal input port of chip is electrically connected with illuminance transducer, signal output port respectively with display unit, electric T-shaped valve, too
Positive energy heat collector and electric boiler electrical connection.
The further technical solution of the present invention is: soaking plate layer includes hollow shell, is located on shell inner cavity roof
Liquid refrigerant absorbed layer, the gaseous working medium absorbed layer being located on shell inner cavity bottom surface, the capillary that is located on shell inner cavity side wall
Articulamentum, the support column being located between gaseous working medium absorbed layer and liquid refrigerant absorbed layer, liquid refrigerant absorbed layer and gaseous state work
Matter absorbed layer and capillary articulamentum surround the cavity to be formed and accommodate phase-change heat transfer working medium, and phase-change heat transfer working medium filling is in cavity.
The further technical solution of the present invention is: pressure difference bypass apparatus includes differential pressure controller, electric two-way valve, limit
Switch A and limit switch B；Differential pressure controller one end is connected to by pipeline with an oil outlet A on separator, and the other end passes through
Pipeline is connected to an oil inlet B on oil catcher, differential pressure controller and electric two-way valve, limit switch A and limit switch B electricity
Connection；Electric two-way valve one end is connected to by pipeline with an oil outlet A on separator, and the other end passes through pipeline and oil catcher
On an oil inlet B connection；Limit switch A is located on the pipeline between electric two-way valve and separator oil outlet A, Yi Ji electricity
On pipeline between dynamic two-port valve and oil catcher oil inlet B；Limit switch B be located at differential pressure controller and separator oil outlet A it
Between pipeline on and the pipeline between differential pressure controller and oil catcher oil inlet B on.
The technical scheme is that a kind of heating system control method, is adopted applied to above-mentioned double heat source chilled ceiling panels
Heating system, the method is as follows:
S01, the mounting height of radiant panel is apart from ground 10m, and illuminance transducer, which is mounted on, can sufficiently receive solar irradiation, and whole day
Transparent shield is installed outside illuminance transducer to prevent it from falling ash in the position that will not be blocked by periphery shadows of objects；
S02, after heating system starting, illuminance transducer real-time detection ambient light simultaneously transmits detection data to chip is controlled, and controls
Coremaking piece is according to the state of the set value calculation electric T-shaped valve, solar thermal collector and the electric boiler that set in it；The setting value
Including upper limit set value and lower limit set value；
When the intensity of illumination in environment is higher than upper limit set value, the second end of control chip controls electric T-shaped valve is closed,
First end and third end are opened, then control electric boiler closing, solar thermal collector starting；Conduction oil in pipeline is recycling
Solar thermal collector is all flowed through under the driving of oil pump, system heat supply is individually for by solar thermal collector；
When the intensity of illumination in environment is lower than lower limit set value, the first end of control chip controls electric T-shaped valve is closed,
Second end and third end are opened, then control solar thermal collector closing, electric boiler starting；Conduction oil in pipeline is recycling
Electric boiler is all flowed through under the driving of oil pump, system heat supply is individually for by electric boiler；
When the intensity of illumination in environment is between upper limit set value and lower limit set value, chip controls electric T-shaped valve is controlled
The first end, the second end and third end open, then control solar thermal collector and electric boiler starting；Leading in pipeline
Hot oil flows through electric boiler and solar thermal collector under the driving of oil circulating pump, is jointly to be by electric boiler and solar thermal collector
System heat supply；
In this step, upper limit set value 10kLx, lower limit set value 1kLx.
The further technical solution of the present invention is: when heating system is in underload, differential pressure controller control electronic two
Port valve, limit switch A and limit switch B are opened, and are supplied with adjusting return flow and balance, oil return pipe pressure difference；When heating system just
When normal load, limit switch A and limit switch B are closed, and pressure difference bypass apparatus does not work；
When radiant panel any in heating system or any steam providing device do not work as underload, when all in heating system
Radiant panel and steam providing device to be in working condition be normal duty.
The invention has the following advantages over the prior art:
1, using solar thermal collector and electric boiler combined heat, solar-heating energy conservation and environmental protection and electric heat supply efficiency are combined
High advantage takes full advantage of sufficient solar energy resources in the daytime to reduce the use of high-grade electric energy in the daytime, and can be in light
Guarantee heating demands according to insufficient night, it is whole that there is the characteristics of variable load accumulated, energy conservation and environmental protection.
2, there is intelligence and effective double heat source starting/handover mechanisms, automatic starting/switching can be changed according to solar illumination
Heat source runs grill pan when solar irradiation is weak to reach the automatic running solar thermal collector when solar irradiation is strong simultaneously
Furnace and solar thermal collector, the effect of automatic running electric boiler in no solar irradiation, to ensure that indoor whole day heating
Demand.
3, using conduction oil as circulation heating agent, conduction oil heat medium temperature higher (up to 340 DEG C), freezing point under normal pressure
Low (at -80 DEG C or less), heat-transfer effect be good, homogeneous heating characteristic, and radiant panel by the way of heat radiation to below interior
Workspace heat supply, object directly receive the radiant heat from (relatively-high temperature) radiant panel, rather than heat convection, not close by air
The influence of difference is spent, therefore the temperature of indoor lower part workspace is higher compared to heat convection temperature.Have entire heating system anti-
Jelly, quick heating, thermal comfort are good, temperature indexes uniform advantage, are adapted to the indoor heating demand of large space.
4, operating pressure of the conduction oil in pipeline is lower than the manifold pressure of steam heating system and hot water system,
It compares above two heating system in transmission process to be not easy the phenomenon that leaking, reliability is guaranteed, the power of pump
It asks also relatively lower, reduces energy consumption.It is noiseless to compare hot air heating system, and fugitive dust will not be generated.
5, pressure difference bypass apparatus is set between separator and oil catcher, is supplied with adjusting return flow and balance, oil return pipe
Pressure difference.When heating load reduces, the part valve A on separator is closed, and is greatly decreased by the oil mass that oil catcher returns, and is pressed
Poor by-pass collar starts automatically, runs system heat sources side oil mass by constant flow, to guarantee solar thermal collector and electric boiler
It works normally.
6, residual heat utilizing function is devised, is exchanged heat in shell-and-tube heat exchanger by cold water and conduction oil, high temperature can be prepared
Steam.
Below in conjunction with figure, the invention will be further described with embodiment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the three-dimensional structure diagram of radiant panel；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the sectional structure chart of soaking plate；
Fig. 5 is the structural schematic diagram of pressure difference bypass apparatus.
Specific embodiment
Embodiment 1:
As shown in Figs. 1-5, double heat source chilled ceiling panel heating systems, including separator 1, oil catcher 2, radiant panel 3, pressure difference bypass dress
4, electric T-shaped valve 5, three-way connection 6, solar thermal collector 7, electric boiler 8, oil circulating pump 91, oil expansion tank 92 and steam is set to produce
Device out.
Separator 1 is equipped with an oil inlet A11 and multiple oil outlet A12, is equipped with a valve on each oil outlet A12
Door A121.Oil catcher 2 is equipped with an oil outlet B21 and multiple oil inlet B22.By a plurality of between oil catcher 2 and separator 1
Pipeline connection, every pipeline one end are connected on an oil outlet A12 of separator 1, and the other end is connected to one of oil catcher 2
On oil inlet B22.
Radiant panel 3 is mounted on one or more pipeline between separator 1 and oil catcher 2.Radiant panel 3 includes heat radiation
Shielded layer 31, fire-retardant heat insulation layer 32, soaking plate layer 33, non-metal heat transferring layer 34, radiation metal plate 35, conduction oil coil pipe 36 and branch
Support member 37.Thermal radiation shield 31, fire-retardant heat insulation layer 32, soaking plate layer 33, non-metal heat transferring layer 34 and radiation metal plate 35 from
The main body of radiant panel 3 is sequentially overlapped and formed under, and conduction oil coil pipe 36 is the reciprocal U-shaped being arranged in fire-retardant heat insulation layer 32
Coil pipe, from being stretched out outside radiant panel 3 in fire-retardant heat insulation layer 32, supporting element 37 is arranged in non-metal heat transferring layer 34 at both ends
Interior, one end offsets with soaking plate 33, and the other end offsets with radiation metal plate 35.
Pressure difference bypass apparatus 4 is mounted on the pipeline between separator 1 and oil catcher 2, for balancing between different pipelines
Pressure difference and difference in flow, and pressure difference bypass apparatus 4 is not mounted on same pipeline with radiant panel 3.
Pressure difference bypass apparatus 4 includes differential pressure controller 41, electric two-way valve 42, limit switch A43 and limit switch B44.
41 one end of differential pressure controller is connected to by pipeline with an oil outlet A12 on separator 1, and the other end passes through pipeline and oil catcher
Oil inlet B22 connection on 2, differential pressure controller 41 and electric two-way valve 42, limit switch A43 and limit switch B44 electricity
Connection.42 one end of electric two-way valve be connected to by pipeline with an oil outlet A12 on separator 1, the other end pass through pipeline and
Oil inlet B22 connection on oil catcher 2.Limit switch A43 be located at electric two-way valve 42 and 1 oil outlet A12 of separator it
Between pipeline on and 2 oil inlet B22 of electric two-way valve 42 and oil catcher between pipeline on.Limit switch B44 is located at pressure difference
On pipeline between 1 oil outlet A12 of controller 41 and separator and between 2 oil inlet B22 of differential pressure controller 41 and oil catcher
Pipeline on.When heating system is in underload (when radiant panel 3 any in heating system or any steam providing device not work
Make to be underload), differential pressure controller 41 controls electric two-way valve 42, limit switch A43 and limit switch B44 and opens, to adjust
Save return flow and balance confession, oil return pipe pressure difference.When heating system normal duty (when radiant panel 3 all in heating system
Being in working condition with steam providing device is normal duty), limit switch A43 and limit switch B44 are closed, by pressure difference
Exchange device 4 does not work.
Electric T-shaped valve 5 is equipped with the first end 51, the second end 52 and third end 53, the third of electric T-shaped valve 5
End 53 is connected to by pipeline with the oil inlet A11 of separator 1.
Three-way connection 6 is equipped with 61, No. two mouths 62 of No.1 mouth and No. three mouths 63, and No. three mouths 63 of three-way connection 6 pass through pipe
Road is connected to the oil outlet B21 of oil catcher 2.
Solar thermal collector 7 be equipped with total oil outlet A71 and total oil inlet A72, total oil outlet A71 by pipeline with it is electronic
First end 51 of triple valve 5 is connected to, and total oil inlet A71 is connected to by pipeline with the No.1 mouth 61 of three-way connection 6.
Electric boiler 8 is equipped with total oil outlet B81 and total oil inlet B82, and total oil outlet B81 passes through pipeline and electric T-shaped valve
5 the second end 52 connection, total oil inlet B81 are connected to by pipeline with No. two mouths 62 of three-way connection 6.
Oil circulating pump 91 is mounted on the pipeline between the third end 53 of electric T-shaped valve 5 and the oil inlet A11 of separator 1
On.
Oil expansion tank 92 be mounted between solar thermal collector 7 total oil outlet 71 and electric T-shaped valve 5 the first end
On pipeline between 51, it is used to balance the oil pressure in pipeline.
Steam providing device is mounted on one or more pipeline between separator 1 and oil catcher 2, and steam output fills
It sets and is not mounted on same pipeline with pressure difference bypass apparatus 4.Steam providing device includes shell-and-tube heat exchanger 101 and steam buffer
Case 102.Steam buffer case 102 is equipped with water inlet 1021 and out steam port 1022, and steam port 1022 is equipped with valve out
B1023.Shell-and-tube heat exchanger 101 is equipped with shell side import 1011, shell-side outlet 1012, tube side import 1013 and tube side outlet
1014, shell-and-tube heat exchanger 101 is mounted between separator 1 and oil catcher 2 by shell-side outlet 1012 and shell side inlet 1011
Pipeline on, the tube side import 1013 of shell-and-tube heat exchanger 101 is connected to by pipeline with water source, the pipe of shell-and-tube heat exchanger 101
Journey outlet 1014 is connected to by pipeline with the water inlet 1021 of steam buffer case 102.
It is preferred that double heat source chilled ceiling panel heating systems further include having illuminance transducer 103, display unit 104 and control core
Piece 105.The signal input port of control chip 105 is electrically connected with illuminance transducer 103, controls the signal output end of chip 105
Mouth is electrically connected with display unit 104, electric T-shaped valve 5, solar thermal collector 7 and electric boiler 8 respectively.Display unit 104 is used for
Display current environment in illumination intensity value and each component (each component include electric T-shaped valve 5, solar thermal collector 7 and
Electric boiler 8) operating status.
It is preferred that the material of thermal radiation shield 31 is aluminium foil, effect is to prevent ineffective radiation (the i.e. direction of radiant panel 3
The radiation in ceiling direction), form the one-way radiation to radiation area.
It is preferred that the material of fire-retardant heat insulation layer 32 is rock wool or mineral wool.
It is preferred that soaking plate layer 33 includes hollow shell 331, the liquid refrigerant being located on 331 inner cavity roof of shell absorption
Layer 332, the gaseous working medium absorbed layer 333 being located in 331 inner chamber bottom surface of shell, the capillary being located on 331 intracavity sidewall of shell connect
Layer 334, the support column being located between gaseous working medium absorbed layer 333 and liquid refrigerant absorbed layer 332 335 are connect, liquid refrigerant absorbs
Layer 332 surrounds to form the appearance for accommodating phase-change heat transfer working medium (preferably acetone) with gaseous working medium absorbed layer 333 and capillary articulamentum 334
Chamber 336, phase-change heat transfer working medium filling is in cavity 336.The metal material excellent using heat transfer property of shell 331, such as copper, aluminium
Or stainless steel.Liquid refrigerant absorbed layer 332 is using the copper silk screen sintering structure (CMVC) with more arterial highway 3D shapes.Gaseous state
Working medium absorbed layer 333 uses copper silk screen sintering structure (CMVC) or foam copper sintering structure (CFVC).Capillary articulamentum uses
Copper silk screen sintering structure (CMVC).
The working principle of soaking plate layer 33 is: the phase-change heat transfer working medium being stored in liquid refrigerant absorbed layer 332, which absorbs, to be come
It is evaporated from the heat of conduction oil coil pipe 36, becoming gaseous working medium is filled in cavity 336, and gaseous working medium is absorbed in gaseous working medium
Layer 333 condenses, and becomes liquid refrigerant, and transfer heat to non-metal heat transferring layer 34, and then liquid refrigerant connects in capillary
It connects and flows up under the action of the capillary force of 334 internal capillaries of layer, liquid refrigerant absorbed layer 332 is returned to, to realize phase transformation
Circulation of the heat-transfer working medium in soaking plate 33.
Soaking plate layer 33 has rapid heat dissipation, the characteristics of heat transfer that the temperature difference is small, heat exchange efficiency is high using the principle of phase-change heat transfer,
Because it is mounted on inside radiant panel 3, slimming, lightweight and the higher advantage of compression strength are also had concurrently.
It is preferred that non-metal heat transferring layer 34 is to evaporate brine day or conduction oil, there is uniformity of temperature profile, fast advantage of conducting heat.
It is preferred that radiation metal plate 35 is copper sheet, it is equipped with infrared radiating coating in the one side backwards to non-metal heat transferring layer 34,
To reinforce the caloradiance of radiation metal plate 35, after heating system is installed, infrared radiating coating is towards ground.
It is preferred that conduction oil coil pipe 36 is copper pipe, there is excellent heat conductivity.
It is preferred that conduction oil coil pipe 36 is equipped with heat transfer fin 361 on the pipeline section in fire-retardant heat insulation layer 32, conduct heat fin 361
It is in contact and is fixedly connected with soaking plate layer 33.Heat transfer fin 361 is copper material, on the one hand increases conduction oil coil pipe 36 and resistance
The heat exchange efficiency for firing insulating layer 32 and soaking plate layer 33, on the other hand improves the structural stability and connection of conduction oil coil pipe 36
Fastness.
It is preferred that supporting element 37 is stainless steel or aluminium alloy column product, there is excellent heat conductivity and structural strength.
Sketch application of the invention: heating system is adapted to the heating demand of large space, the mounting height of radiant panel 3 away from
10m is advisable from the ground, and illuminance transducer 103, which is mounted on, can sufficiently receive solar irradiation, and whole day will not be by periphery shadows of objects
The position blocked can install transparent shield outside illuminance transducer 103 to prevent it from falling ash.
After heating system starting, 103 real-time detection ambient light of illuminance transducer simultaneously transmits detection data to controlling chip
105, chip 105 is controlled according to the shape of the set value calculation electric T-shaped valve 5, solar thermal collector 7 and the electric boiler 8 that set in it
State.Valve A121 and valve C221 is non-electrical movable valve, and the valve A121 and valve C221 on same pipeline control this pipe
The connection or closing on road, in heating system operation, the valve A121 of 4 place pipeline of pressure difference bypass apparatus is normally opened.
The setting value includes upper limit set value and lower limit set value, upper limit set value 10kLx, and lower limit set value is
1kLx。
When the intensity of illumination in environment is higher than upper limit set value, control chip 105 controls the second end of electric T-shaped valve 5
First 52 close, and the first end 51 and third end 53 are opened, then control the closing of electric boiler 8, and solar thermal collector 7 starts.Pipeline
Interior conduction oil all flows through solar thermal collector 7 under the driving of oil circulating pump 91, is individually for system by solar thermal collector 7
Heat supply.Conduction oil circulation route are as follows: solar thermal collector 7- electric T-shaped valve 5- oil circulating pump 91- separator 1- separator 1 with
Pipeline-oil catcher 2- solar thermal collector 7 between oil catcher 2.
When the intensity of illumination in environment is lower than lower limit set value, control chip 105 controls the first end of electric T-shaped valve 5
First 51 close, and the second end 52 and third end 53 are opened, then control the closing of solar thermal collector 7, and electric boiler 8 starts.Pipeline
Interior conduction oil all flows through electric boiler 8 under the driving of oil circulating pump 91, is individually for system heat supply by electric boiler 8.Conduction oil
Circulation route are as follows: the pipeline-between electric boiler 8- electric T-shaped valve 5- oil circulating pump 91- separator 1- separator 1 and oil catcher 2
Oil catcher 2- electric boiler 8.
When the intensity of illumination in environment is between upper limit set value and lower limit set value, control chip 105 controls electricity
The first end 51, the second end 52 and the third end 53 of dynamic triple valve 5 are opened, then control solar thermal collector 7 and grill pan
Furnace 8 starts.Conduction oil in pipeline flows through electric boiler 8 and solar thermal collector 7 under the driving of oil circulating pump 91, by electric boiler
8 and solar thermal collector 7 jointly be system heat supply.
Claims (9)
1. pair heat source chilled ceiling panel heating system, it is characterized in that: including separator (1), oil catcher (2), radiant panel (3), pressure difference
By-pass collar (4), electric T-shaped valve (5), three-way connection (6), solar thermal collector (7), electric boiler (8), oil circulating pump (91)
And oil expansion tank (92)；
Separator (1) is equipped with an oil inlet A (11) and multiple oil outlet A (12), is equipped with one on each oil outlet A (12)
A valve A (121)；Oil catcher (2) is equipped with an oil outlet B (21) and multiple oil inlet B (22), each oil inlet B (22)
On be equipped with a valve C (221)；Pass through a plurality of pipeline connection, every pipeline one end between separator (1) and oil catcher (2)
It is connected on an oil outlet A (12) of separator (1), the other end is connected on an oil inlet B (22) of oil catcher (2)；
Radiant panel (3) is mounted on one or more pipeline between separator (1) and oil catcher (2)；
Pressure difference bypass apparatus (4) is mounted on the pipeline between separator (1) and oil catcher (2), and pressure difference bypass apparatus (4) is no
It is mounted on same pipeline with radiant panel (3)；
Electric T-shaped valve (5) is equipped with the first end (51), the second end (52) and third end (53), electric T-shaped valve (5)
Third end (53) be connected to the oil inlet A (11) of separator (1) by pipeline；
Three-way connection (6) is equipped with No.1 mouth (61), No. two mouths (62) and No. three mouths (63), No. three mouths of three-way connection (6)
(63) it is connected to by pipeline with the oil outlet B (21) of oil catcher (2)；
Solar thermal collector (7) is equipped with total oil outlet A (71) and total oil inlet A (72), total oil outlet A (71) by pipeline and
The first end (51) of electric T-shaped valve (5) is connected to, and total oil inlet A (71) passes through the No.1 mouth of pipeline and three-way connection (6)
(61) it is connected to；
Electric boiler (8) is equipped with total oil outlet B (81) and total oil inlet B (82), and total oil outlet B (81) passes through pipeline and electronic three
The second end (52) of port valve (5) is connected to, and total oil inlet B (81) is connected to by pipeline with No. two mouths (62) of three-way connection (6)；
Oil circulating pump (91) is mounted between the third end (53) of electric T-shaped valve (5) and the oil inlet A (11) of separator (1)
Pipeline on；
Oil expansion tank (92) be mounted between solar thermal collector (7) total oil outlet (71) and electric T-shaped valve (5) first
On pipeline between end (51).
2. double heat source chilled ceiling panel heating systems as described in claim 1, it is characterized in that: it further includes steam providing device；
Steam providing device is mounted on one or more pipeline between separator (1) and oil catcher (2), and steam providing device is not
It is mounted on same pipeline with pressure difference bypass apparatus (4).
3. double heat source chilled ceiling panel heating systems as claimed in claim 2, it is characterized in that: steam providing device includes shell-and-tube
Heat exchanger (101) and steam buffer case (102)；Steam buffer case (102) is equipped with water inlet (1021) and out steam port
(1022), steam port (1022) is equipped with valve B (1023) out；Shell-and-tube heat exchanger (101) be equipped with shell side import (1011),
Shell-side outlet (1012), tube side import (1013) and tube side outlet (1014), shell-and-tube heat exchanger (101) pass through shell-side outlet
(1012) it is mounted on the pipeline between separator (1) and oil catcher (2) with shell side inlet (1011), shell-and-tube heat exchanger
(101) tube side import (1013) is connected to by pipeline with water source, and the tube side outlet (1014) of shell-and-tube heat exchanger (101) passes through
Pipeline is connected to the water inlet (1021) of steam buffer case (102).
4. double heat source chilled ceiling panel heating systems of any of claims 1-3, it is characterized in that: radiant panel (3) includes
Thermal radiation shield (31), fire-retardant heat insulation layer (32), soaking plate layer (33), non-metal heat transferring layer (34), radiation metal plate (35),
Conduction oil coil pipe (36) and supporting element (37)；Thermal radiation shield (31), fire-retardant heat insulation layer (32), soaking plate layer (33), non-gold
Belong to heat transfer layer (34) and radiation metal plate (35) is sequentially overlapped from top to bottom and is formed the main body of radiant panel (3), conduction oil coil pipe
It (36) is the reciprocal U-shaped coil pipe being arranged in fire-retardant heat insulation layer (32), both ends are stretched out from fire-retardant heat insulation layer (32) and are located at
Radiant panel (3) is external, and in non-metal heat transferring layer (34), one end offsets with soaking plate (33), another for supporting element (37) setting
End offsets with radiation metal plate.
5. double heat source chilled ceiling panel heating systems as claimed in claim 4, it is characterized in that: it further includes illuminance transducer
(103), display unit (104) and control chip (105)；Control the signal input port and illuminance transducer of chip (105)
(103) be electrically connected, signal output port respectively with display unit (104), electric T-shaped valve (5), solar thermal collector (7) and electricity
Boiler (8) electrical connection.
6. double heat source chilled ceiling panel heating systems as claimed in claim 5, it is characterized in that: soaking plate layer (33) includes hollow
Shell (331), is located at shell (331) inner chamber bottom surface at the liquid refrigerant absorbed layer (332) being located on the roof of shell (331) inner cavity
On gaseous working medium absorbed layer (333), be located on shell (331) intracavity sidewall capillary articulamentum (334), be located at gaseous working medium
Support column (335) between absorbed layer (333) and liquid refrigerant absorbed layer (332), liquid refrigerant absorbed layer (332) and gaseous state work
The cavity (336) to be formed and accommodate phase-change heat transfer working medium, phase-change heat transfer work are surrounded in matter absorbed layer (333) and capillary articulamentum (334)
Matter is filled in cavity (336).
7. double heat source chilled ceiling panel heating systems as claimed in claim 6, it is characterized in that: pressure difference bypass apparatus (4) includes pressure
Difference controller (41), electric two-way valve (42), limit switch A (43) and limit switch B (44)；Differential pressure controller (41) one end is logical
Piping is connected to an oil outlet A (12) on separator (1), the other end by one on pipeline and oil catcher (2) into
Hydraulic fluid port B (22) connection, differential pressure controller (41) are electrically connected with electric two-way valve (42), limit switch A (43) and limit switch B (44)
It connects；Electric two-way valve (42) one end is connected to by pipeline with an oil outlet A (12) on separator (1), and the other end passes through pipe
Road is connected to an oil inlet B (22) on oil catcher (2)；Limit switch A (43) is located at electric two-way valve (42) and separator
(1) on the pipeline between oil outlet A (12) and the pipeline between electric two-way valve (42) and oil catcher (2) oil inlet B (22)
On；Limit switch B (44) is located on the pipeline between differential pressure controller (41) and separator (1) oil outlet A (12) and pressure difference
On pipeline between controller (41) and oil catcher (2) oil inlet B (22).
8. a kind of heating system control method is applied to double heat source chilled ceiling panel heating of any of claims 1-7
System, characterized in that method is as follows:
S01, for the mounting height of radiant panel (3) apart from ground 10m, illuminance transducer (103), which is mounted on, can sufficiently receive sunlight
According to, and the position that whole day will not be blocked by periphery shadows of objects is installed outside illuminance transducer (103) to prevent it from falling ash
Transparent shield；
S02, after heating system starting, illuminance transducer (103) real-time detection ambient light simultaneously transmits detection data to controlling core
Piece (105) controls chip (105) according to the set value calculation electric T-shaped valve (5), solar thermal collector (7) and electricity set in it
The state of boiler (8)；The setting value includes upper limit set value and lower limit set value；
When the intensity of illumination in environment is higher than upper limit set value, the second end of control chip (105) control electric T-shaped valve (5)
Head (52) is closed, and the first end (51) and third end (53) are opened, then controls electric boiler (8) closing, solar thermal collector (7)
Starting；Conduction oil in pipeline all flows through solar thermal collector (7) under the driving of oil circulating pump (91), by solar energy heating
Device (7) is individually for system heat supply；
When the intensity of illumination in environment is lower than lower limit set value, the first end of control chip (105) control electric T-shaped valve (5)
Head (51) is closed, and the second end (52) and third end (53) are opened, then controls solar thermal collector (7) closing, electric boiler (8)
Starting；Conduction oil in pipeline all flows through electric boiler (8) under the driving of oil circulating pump (91), is individually for by electric boiler (8)
System heat supply；
When the intensity of illumination in environment is between upper limit set value and lower limit set value, control chip (105) control is electronic
The first end (51) of triple valve (5), the second end (52) and third end (53) are opened, then control solar thermal collector
(7) start with electric boiler (8)；Conduction oil in pipeline flows through electric boiler (8) and solar energy under the driving of oil circulating pump (91)
Heat collector (7) is system heat supply by electric boiler (8) and solar thermal collector (7) jointly；
In this step, upper limit set value 10kLx, lower limit set value 1kLx.
9. heating system control method as claimed in claim 8, it is characterized in that: when heating system is in underload, pressure difference
Controller (41) controls electric two-way valve (42), limit switch A (43) and limit switch B (44) and opens, to adjust return flow
And balance supplies, oil return pipe pressure difference；
When heating system normal duty, limit switch A (43) and limit switch B (44) are closed, pressure difference bypass apparatus (4) not work
Make；
When radiant panel (3) any in heating system or any steam providing device do not work as underload, when in heating system
It is normal duty that all radiant panels (3) and steam providing device, which are in working condition,.
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| CN201910845619.5A CN110513749A (en) | 2019-09-09 | 2019-09-09 | Double heat source chilled ceiling panel heating systems and its control method |
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| CN201910845619.5A CN110513749A (en) | 2019-09-09 | 2019-09-09 | Double heat source chilled ceiling panel heating systems and its control method |
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